Merge tag 'v3.18-rc4' into x86/cleanups, to refresh the tree before pulling new changes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

62 files changed, 5245 insertions, 1308 deletions

diff --git a/scripts/.gitignore b/scripts/.gitignore
index fb070fa1038f..5ecfe93f2028 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -4,7 +4,6 @@
 conmakehash
 kallsyms
 pnmtologo
-bin2c
 unifdef
 ihex2fw
 recordmcount
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 122f95c95869..65e7b08bb2cc 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -171,13 +171,13 @@ ld-ifversion = $(shell [ $(call ld-version) $(1) $(2) ] && echo $(3))
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
 # Usage:
 # $(Q)$(MAKE) $(build)=dir
-build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
+build := -f $(srctree)/scripts/Makefile.build obj
 
 ###
 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj=
 # Usage:
 # $(Q)$(MAKE) $(modbuiltin)=dir
-modbuiltin := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.modbuiltin obj
+modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
 
 # Prefix -I with $(srctree) if it is not an absolute path.
 # skip if -I has no parameter
@@ -215,11 +215,13 @@ else
 arg-check = $(if $(strip $(cmd_$@)),,1)
 endif
 
-# >'< substitution is for echo to work,
-# >$< substitution to preserve $ when reloading .cmd file
-# note: when using inline perl scripts [perl -e '...$$t=1;...']
-# in $(cmd_xxx) double $$ your perl vars
-make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))))
+# Replace >$< with >$$< to preserve $ when reloading the .cmd file
+# (needed for make)
+# Replace >#< with >\#< to avoid starting a comment in the .cmd file
+# (needed for make)
+# Replace >'< with >'\''< to be able to enclose the whole string in '...'
+# (needed for the shell)
+make-cmd = $(call escsq,$(subst \#,\\\#,$(subst $$,$$$$,$(cmd_$(1)))))
 
 # Find any prerequisites that is newer than target or that does not exist.
 # PHONY targets skipped in both cases.
@@ -230,7 +232,7 @@ any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
 if_changed = $(if $(strip $(any-prereq) $(arg-check)),                       \
         @set -e;                                                             \
         $(echo-cmd) $(cmd_$(1));                                             \
-        echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
+        printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
 
 # Execute the command and also postprocess generated .d dependencies file.
 if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ),                  \
diff --git a/scripts/Makefile b/scripts/Makefile
index 890df5c6adfb..72902b5f2721 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -13,7 +13,6 @@ HOST_EXTRACFLAGS += -I$(srctree)/tools/include
 hostprogs-$(CONFIG_KALLSYMS)     += kallsyms
 hostprogs-$(CONFIG_LOGO)         += pnmtologo
 hostprogs-$(CONFIG_VT)           += conmakehash
-hostprogs-$(CONFIG_IKCONFIG)     += bin2c
 hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
 hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable
 hostprogs-$(CONFIG_ASN1)         += asn1_compiler
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index bf3e6778cd71..649ce6844033 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -79,11 +79,11 @@ endif
 
 # ===========================================================================
 
-ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
+ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),)
 lib-target := $(obj)/lib.a
 endif
 
-ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(subdir-m) $(lib-target)),)
+ifneq ($(strip $(obj-y) $(obj-m) $(obj-) $(subdir-m) $(lib-target)),)
 builtin-target := $(obj)/built-in.o
 endif
 
@@ -382,16 +382,14 @@ cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalys
 quiet_cmd_link_multi-m = LD [M]  $@
 cmd_link_multi-m = $(cmd_link_multi-y)
 
-# We would rather have a list of rules like
-#       foo.o: $(foo-objs)
-# but that's not so easy, so we rather make all composite objects depend
-# on the set of all their parts
-$(multi-used-y) : %.o: $(multi-objs-y) FORCE
+$(multi-used-y): FORCE
         $(call if_changed,link_multi-y)
+$(call multi_depend, $(multi-used-y), .o, -objs -y)
 
-$(multi-used-m) : %.o: $(multi-objs-m) FORCE
+$(multi-used-m): FORCE
         $(call if_changed,link_multi-m)
         @{ echo $(@:.o=.ko); echo $(link_multi_deps); } > $(MODVERDIR)/$(@F:.o=.mod)
+$(call multi_depend, $(multi-used-m), .o, -objs -y)
 
 targets += $(multi-used-y) $(multi-used-m)
 
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index 686cb0d31c7c..b1c668dc6815 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -10,7 +10,7 @@ __clean:
 # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
 # Usage:
 # $(Q)$(MAKE) $(clean)=dir
-clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
+clean := -f $(srctree)/scripts/Makefile.clean obj
 
 # The filename Kbuild has precedence over Makefile
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
@@ -23,15 +23,13 @@ __subdir-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
 subdir-y        += $(__subdir-y)
 __subdir-m      := $(patsubst %/,%,$(filter %/, $(obj-m)))
 subdir-m        += $(__subdir-m)
-__subdir-n      := $(patsubst %/,%,$(filter %/, $(obj-n)))
-subdir-n        += $(__subdir-n)
 __subdir-       := $(patsubst %/,%,$(filter %/, $(obj-)))
 subdir-         += $(__subdir-)
 
 # Subdirectories we need to descend into
 
 subdir-ym       := $(sort $(subdir-y) $(subdir-m))
-subdir-ymn      := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
+subdir-ymn      := $(sort $(subdir-ym) $(subdir-))
 
 # Add subdir path
 
@@ -40,8 +38,8 @@ subdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
 # build a list of files to remove, usually relative to the current
 # directory
 
-__clean-files   := $(extra-y) $(always)                  \
-                   $(targets) $(clean-files)             \
+__clean-files   := $(extra-y) $(extra-m) $(extra-)       \
+                   $(always) $(targets) $(clean-files)   \
                    $(host-progs)                         \
                    $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
 
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 65643506c71c..f734033af219 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -26,16 +26,6 @@ warning-1 += $(call cc-option, -Wmissing-include-dirs)
 warning-1 += $(call cc-option, -Wunused-but-set-variable)
 warning-1 += $(call cc-disable-warning, missing-field-initializers)
 
-# Clang
-warning-1 += $(call cc-disable-warning, initializer-overrides)
-warning-1 += $(call cc-disable-warning, unused-value)
-warning-1 += $(call cc-disable-warning, format)
-warning-1 += $(call cc-disable-warning, unknown-warning-option)
-warning-1 += $(call cc-disable-warning, sign-compare)
-warning-1 += $(call cc-disable-warning, format-zero-length)
-warning-1 += $(call cc-disable-warning, uninitialized)
-warning-1 += $(call cc-option, -fcatch-undefined-behavior)
-
 warning-2 := -Waggregate-return
 warning-2 += -Wcast-align
 warning-2 += -Wdisabled-optimization
@@ -64,4 +54,15 @@ ifeq ("$(strip $(warning))","")
 endif
 
 KBUILD_CFLAGS += $(warning)
+else
+
+ifeq ($(COMPILER),clang)
+KBUILD_CFLAGS += $(call cc-disable-warning, initializer-overrides)
+KBUILD_CFLAGS += $(call cc-disable-warning, unused-value)
+KBUILD_CFLAGS += $(call cc-disable-warning, format)
+KBUILD_CFLAGS += $(call cc-disable-warning, unknown-warning-option)
+KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare)
+KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length)
+KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized)
+endif
 endif
diff --git a/scripts/Makefile.fwinst b/scripts/Makefile.fwinst
index d8e335eed226..5b698add4f31 100644
--- a/scripts/Makefile.fwinst
+++ b/scripts/Makefile.fwinst
@@ -2,7 +2,7 @@
 # Installing firmware
 #
 # We don't include the .config, so all firmware files are in $(fw-shipped-)
-# rather than in $(fw-shipped-y) or $(fw-shipped-n).
+# rather than in $(fw-shipped-y) or $(fw-shipped-m).
 # ==========================================================================
 
 INSTALL := install
diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index 66893643fd7d..133edfae5b8a 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -20,21 +20,12 @@
 # Will compile qconf as a C++ program, and menu as a C program.
 # They are linked as C++ code to the executable qconf
 
-# hostprogs-y := conf
-# conf-objs  := conf.o libkconfig.so
-# libkconfig-objs := expr.o type.o
-# Will create a shared library named libkconfig.so that consists of
-# expr.o and type.o (they are both compiled as C code and the object files
-# are made as position independent code).
-# conf.c is compiled as a C program, and conf.o is linked together with
-# libkconfig.so as the executable conf.
-# Note: Shared libraries consisting of C++ files are not supported
-
 __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
 
 # C code
 # Executables compiled from a single .c file
-host-csingle    := $(foreach m,$(__hostprogs),$(if $($(m)-objs),,$(m)))
+host-csingle    := $(foreach m,$(__hostprogs), \
+                        $(if $($(m)-objs)$($(m)-cxxobjs),,$(m)))
 
 # C executables linked based on several .o files
 host-cmulti     := $(foreach m,$(__hostprogs),\
@@ -44,33 +35,17 @@ host-cmulti	:= $(foreach m,$(__hostprogs),\
 host-cobjs      := $(sort $(foreach m,$(__hostprogs),$($(m)-objs)))
 
 # C++ code
-# C++ executables compiled from at least on .cc file
+# C++ executables compiled from at least one .cc file
 # and zero or more .c files
 host-cxxmulti   := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m)))
 
 # C++ Object (.o) files compiled from .cc files
 host-cxxobjs    := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
 
-# Shared libaries (only .c supported)
-# Shared libraries (.so) - all .so files referenced in "xxx-objs"
-host-cshlib     := $(sort $(filter %.so, $(host-cobjs)))
-# Remove .so files from "xxx-objs"
-host-cobjs      := $(filter-out %.so,$(host-cobjs))
-
-#Object (.o) files used by the shared libaries
-host-cshobjs    := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
-
 # output directory for programs/.o files
-# hostprogs-y := tools/build may have been specified. Retrieve directory
-host-objdirs := $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f))))
-# directory of .o files from prog-objs notation
-host-objdirs += $(foreach f,$(host-cmulti),                  \
-                    $(foreach m,$($(f)-objs),                \
-                        $(if $(dir $(m)),$(dir $(m)))))
-# directory of .o files from prog-cxxobjs notation
-host-objdirs += $(foreach f,$(host-cxxmulti),                  \
-                    $(foreach m,$($(f)-cxxobjs),                \
-                        $(if $(dir $(m)),$(dir $(m)))))
+# hostprogs-y := tools/build may have been specified.
+# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation
+host-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs))
 
 host-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs))))
 
@@ -81,8 +56,6 @@ host-cmulti	:= $(addprefix $(obj)/,$(host-cmulti))
 host-cobjs      := $(addprefix $(obj)/,$(host-cobjs))
 host-cxxmulti   := $(addprefix $(obj)/,$(host-cxxmulti))
 host-cxxobjs    := $(addprefix $(obj)/,$(host-cxxobjs))
-host-cshlib     := $(addprefix $(obj)/,$(host-cshlib))
-host-cshobjs    := $(addprefix $(obj)/,$(host-cshobjs))
 host-objdirs    := $(addprefix $(obj)/,$(host-objdirs))
 
 obj-dirs += $(host-objdirs)
@@ -123,8 +96,9 @@ quiet_cmd_host-cmulti	= HOSTLD  $@
       cmd_host-cmulti   = $(HOSTCC) $(HOSTLDFLAGS) -o $@ \
                           $(addprefix $(obj)/,$($(@F)-objs)) \
                           $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cmulti): $(obj)/%: $(host-cobjs) $(host-cshlib) FORCE
+$(host-cmulti): FORCE
         $(call if_changed,host-cmulti)
+$(call multi_depend, $(host-cmulti), , -objs)
 
 # Create .o file from a single .c file
 # host-cobjs -> .o
@@ -140,8 +114,9 @@ quiet_cmd_host-cxxmulti	= HOSTLD  $@
                           $(foreach o,objs cxxobjs,\
                           $(addprefix $(obj)/,$($(@F)-$(o)))) \
                           $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cxxmulti): $(obj)/%: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE
+$(host-cxxmulti): FORCE
         $(call if_changed,host-cxxmulti)
+$(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs)
 
 # Create .o file from a single .cc (C++) file
 quiet_cmd_host-cxxobjs  = HOSTCXX $@
@@ -149,21 +124,5 @@ quiet_cmd_host-cxxobjs	= HOSTCXX $@
 $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
         $(call if_changed_dep,host-cxxobjs)
 
-# Compile .c file, create position independent .o file
-# host-cshobjs -> .o
-quiet_cmd_host-cshobjs  = HOSTCC  -fPIC $@
-      cmd_host-cshobjs  = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
-$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
-        $(call if_changed_dep,host-cshobjs)
-
-# Link a shared library, based on position independent .o files
-# *.o -> .so shared library (host-cshlib)
-quiet_cmd_host-cshlib   = HOSTLLD -shared $@
-      cmd_host-cshlib   = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \
-                          $(addprefix $(obj)/,$($(@F:.so=-objs))) \
-                          $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F))
-$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE
-        $(call if_changed,host-cshlib)
-
 targets += $(host-csingle)  $(host-cmulti) $(host-cobjs)\
-           $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs)
+           $(host-cxxmulti) $(host-cxxobjs)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 260bf8acfce9..54be19a0fa51 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -159,6 +159,15 @@ dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
 modname-multi = $(sort $(foreach m,$(multi-used),\
                 $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
 
+# Useful for describing the dependency of composite objects
+# Usage:
+#   $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
+define multi_depend
+$(foreach m, $(notdir $1), \
+        $(eval $(obj)/$m: \
+        $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
+endef
+
 ifdef REGENERATE_PARSERS
 
 # GPERF
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index ecbb44797e28..e48a4e9d8868 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -18,7 +18,12 @@ __modinst: $(modules)
 
 # Don't stop modules_install if we can't sign external modules.
 quiet_cmd_modules_install = INSTALL $@
-      cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD))
+      cmd_modules_install = \
+    mkdir -p $(2) ; \
+    cp $@ $(2) ; \
+    $(mod_strip_cmd) $(2)/$(notdir $@) ; \
+    $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD)) ; \
+    $(mod_compress_cmd) $(2)/$(notdir $@)
 
 # Modules built outside the kernel source tree go into extra by default
 INSTALL_MOD_DIR ?= extra
@@ -31,6 +36,6 @@ $(modules):
 
 
 # Declare the contents of the .PHONY variable as phony.  We keep that
-# information in a variable se we can use it in if_changed and friends.
+# information in a variable so we can use it in if_changed and friends.
 
 .PHONY: $(PHONY)
diff --git a/scripts/Makefile.modsign b/scripts/Makefile.modsign
index abfda626dbad..b6ac7084da79 100644
--- a/scripts/Makefile.modsign
+++ b/scripts/Makefile.modsign
@@ -7,7 +7,7 @@ __modsign:
 
 include scripts/Kbuild.include
 
-__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
+__modules := $(sort $(shell grep -h '\.ko$$' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
 modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o)))
 
 PHONY += $(modules)
diff --git a/scripts/analyze_suspend.py b/scripts/analyze_suspend.py
index 4f2cc12dc7c7..93e1fd40f430 100755
--- a/scripts/analyze_suspend.py
+++ b/scripts/analyze_suspend.py
@@ -36,146 +36,392 @@
 #                CONFIG_FUNCTION_TRACER=y
 #                CONFIG_FUNCTION_GRAPH_TRACER=y
 #
+#        For kernel versions older than 3.15:
 #        The following additional kernel parameters are required:
 #                (e.g. in file /etc/default/grub)
 #                GRUB_CMDLINE_LINUX_DEFAULT="... initcall_debug log_buf_len=16M ..."
 #
 
+# ----------------- LIBRARIES --------------------
+
 import sys
 import time
 import os
 import string
 import re
-import array
 import platform
-import datetime
+from datetime import datetime
 import struct
 
-# -- classes --
+# ----------------- CLASSES --------------------
 
+# Class: SystemValues
+# Description:
+#        A global, single-instance container used to
+#        store system values and test parameters
 class SystemValues:
-        testdir = "."
-        tpath = "/sys/kernel/debug/tracing/"
-        mempath = "/dev/mem"
-        powerfile = "/sys/power/state"
-        suspendmode = "mem"
-        prefix = "test"
-        teststamp = ""
-        dmesgfile = ""
-        ftracefile = ""
-        htmlfile = ""
+        version = 3.0
+        verbose = False
+        testdir = '.'
+        tpath = '/sys/kernel/debug/tracing/'
+        fpdtpath = '/sys/firmware/acpi/tables/FPDT'
+        epath = '/sys/kernel/debug/tracing/events/power/'
+        traceevents = [
+                'suspend_resume',
+                'device_pm_callback_end',
+                'device_pm_callback_start'
+        ]
+        modename = {
+                'freeze': 'Suspend-To-Idle (S0)',
+                'standby': 'Power-On Suspend (S1)',
+                'mem': 'Suspend-to-RAM (S3)',
+                'disk': 'Suspend-to-disk (S4)'
+        }
+        mempath = '/dev/mem'
+        powerfile = '/sys/power/state'
+        suspendmode = 'mem'
+        hostname = 'localhost'
+        prefix = 'test'
+        teststamp = ''
+        dmesgfile = ''
+        ftracefile = ''
+        htmlfile = ''
         rtcwake = False
+        rtcwaketime = 10
+        rtcpath = ''
+        android = False
+        adb = 'adb'
+        devicefilter = []
+        stamp = 0
+        execcount = 1
+        x2delay = 0
+        usecallgraph = False
+        usetraceevents = False
+        usetraceeventsonly = False
+        notestrun = False
+        altdevname = dict()
+        postresumetime = 0
+        tracertypefmt = '# tracer: (?P<t>.*)'
+        firmwarefmt = '# fwsuspend (?P<s>[0-9]*) fwresume (?P<r>[0-9]*)$'
+        postresumefmt = '# post resume time (?P<t>[0-9]*)$'
+        stampfmt = '# suspend-(?P<m>[0-9]{2})(?P<d>[0-9]{2})(?P<y>[0-9]{2})-'+\
+                                '(?P<H>[0-9]{2})(?P<M>[0-9]{2})(?P<S>[0-9]{2})'+\
+                                ' (?P<host>.*) (?P<mode>.*) (?P<kernel>.*)$'
+        def __init__(self):
+                self.hostname = platform.node()
+                if(self.hostname == ''):
+                        self.hostname = 'localhost'
+                rtc = "rtc0"
+                if os.path.exists('/dev/rtc'):
+                        rtc = os.readlink('/dev/rtc')
+                rtc = '/sys/class/rtc/'+rtc
+                if os.path.exists(rtc) and os.path.exists(rtc+'/date') and \
+                        os.path.exists(rtc+'/time') and os.path.exists(rtc+'/wakealarm'):
+                        self.rtcpath = rtc
         def setOutputFile(self):
-                if((self.htmlfile == "") and (self.dmesgfile != "")):
-                        m = re.match(r"(?P<name>.*)_dmesg\.txt$", self.dmesgfile)
+                if((self.htmlfile == '') and (self.dmesgfile != '')):
+                        m = re.match('(?P<name>.*)_dmesg\.txt$', self.dmesgfile)
                         if(m):
-                                self.htmlfile = m.group("name")+".html"
-                if((self.htmlfile == "") and (self.ftracefile != "")):
-                        m = re.match(r"(?P<name>.*)_ftrace\.txt$", self.ftracefile)
+                                self.htmlfile = m.group('name')+'.html'
+                if((self.htmlfile == '') and (self.ftracefile != '')):
+                        m = re.match('(?P<name>.*)_ftrace\.txt$', self.ftracefile)
                         if(m):
-                                self.htmlfile = m.group("name")+".html"
-                if(self.htmlfile == ""):
-                        self.htmlfile = "output.html"
-        def initTestOutput(self):
-                hostname = platform.node()
-                if(hostname != ""):
-                        self.prefix = hostname
-                v = os.popen("cat /proc/version").read().strip()
-                kver = string.split(v)[2]
-                self.testdir = os.popen("date \"+suspend-%m%d%y-%H%M%S\"").read().strip()
-                self.teststamp = "# "+self.testdir+" "+self.prefix+" "+self.suspendmode+" "+kver
-                self.dmesgfile = self.testdir+"/"+self.prefix+"_"+self.suspendmode+"_dmesg.txt"
-                self.ftracefile = self.testdir+"/"+self.prefix+"_"+self.suspendmode+"_ftrace.txt"
-                self.htmlfile = self.testdir+"/"+self.prefix+"_"+self.suspendmode+".html"
+                                self.htmlfile = m.group('name')+'.html'
+                if(self.htmlfile == ''):
+                        self.htmlfile = 'output.html'
+        def initTestOutput(self, subdir):
+                if(not self.android):
+                        self.prefix = self.hostname
+                        v = open('/proc/version', 'r').read().strip()
+                        kver = string.split(v)[2]
+                else:
+                        self.prefix = 'android'
+                        v = os.popen(self.adb+' shell cat /proc/version').read().strip()
+                        kver = string.split(v)[2]
+                testtime = datetime.now().strftime('suspend-%m%d%y-%H%M%S')
+                if(subdir != "."):
+                        self.testdir = subdir+"/"+testtime
+                else:
+                        self.testdir = testtime
+                self.teststamp = \
+                        '# '+testtime+' '+self.prefix+' '+self.suspendmode+' '+kver
+                self.dmesgfile = \
+                        self.testdir+'/'+self.prefix+'_'+self.suspendmode+'_dmesg.txt'
+                self.ftracefile = \
+                        self.testdir+'/'+self.prefix+'_'+self.suspendmode+'_ftrace.txt'
+                self.htmlfile = \
+                        self.testdir+'/'+self.prefix+'_'+self.suspendmode+'.html'
                 os.mkdir(self.testdir)
+        def setDeviceFilter(self, devnames):
+                self.devicefilter = string.split(devnames)
+        def rtcWakeAlarm(self):
+                os.system('echo 0 > '+self.rtcpath+'/wakealarm')
+                outD = open(self.rtcpath+'/date', 'r').read().strip()
+                outT = open(self.rtcpath+'/time', 'r').read().strip()
+                mD = re.match('^(?P<y>[0-9]*)-(?P<m>[0-9]*)-(?P<d>[0-9]*)', outD)
+                mT = re.match('^(?P<h>[0-9]*):(?P<m>[0-9]*):(?P<s>[0-9]*)', outT)
+                if(mD and mT):
+                        # get the current time from hardware
+                        utcoffset = int((datetime.now() - datetime.utcnow()).total_seconds())
+                        dt = datetime(\
+                                int(mD.group('y')), int(mD.group('m')), int(mD.group('d')),
+                                int(mT.group('h')), int(mT.group('m')), int(mT.group('s')))
+                        nowtime = int(dt.strftime('%s')) + utcoffset
+                else:
+                        # if hardware time fails, use the software time
+                        nowtime = int(datetime.now().strftime('%s'))
+                alarm = nowtime + self.rtcwaketime
+                os.system('echo %d > %s/wakealarm' % (alarm, self.rtcpath))
 
+sysvals = SystemValues()
+
+# Class: DeviceNode
+# Description:
+#        A container used to create a device hierachy, with a single root node
+#        and a tree of child nodes. Used by Data.deviceTopology()
+class DeviceNode:
+        name = ''
+        children = 0
+        depth = 0
+        def __init__(self, nodename, nodedepth):
+                self.name = nodename
+                self.children = []
+                self.depth = nodedepth
+
+# Class: Data
+# Description:
+#        The primary container for suspend/resume test data. There is one for
+#        each test run. The data is organized into a cronological hierarchy:
+#        Data.dmesg {
+#               root structure, started as dmesg & ftrace, but now only ftrace
+#               contents: times for suspend start/end, resume start/end, fwdata
+#               phases {
+#                       10 sequential, non-overlapping phases of S/R
+#                       contents: times for phase start/end, order/color data for html
+#                       devlist {
+#                               device callback or action list for this phase
+#                               device {
+#                                       a single device callback or generic action
+#                                       contents: start/stop times, pid/cpu/driver info
+#                                               parents/children, html id for timeline/callgraph
+#                                               optionally includes an ftrace callgraph
+#                                               optionally includes intradev trace events
+#                               }
+#                       }
+#               }
+#       }
+#
 class Data:
-        altdevname = dict()
-        usedmesg = False
-        useftrace = False
-        notestrun = False
-        verbose = False
-        phases = []
-        dmesg = {} # root data structure
-        start = 0.0
-        end = 0.0
-        stamp = {'time': "", 'host': "", 'mode': ""}
-        id = 0
-        tSuspended = 0.0
-        fwValid = False
-        fwSuspend = 0
-        fwResume = 0
-        def initialize(self):
-                self.dmesg = { # dmesg log data
-                        'suspend_general': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "#CCFFCC", 'order': 0},
-                          'suspend_early': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "green", 'order': 1},
+        dmesg = {}  # root data structure
+        phases = [] # ordered list of phases
+        start = 0.0 # test start
+        end = 0.0   # test end
+        tSuspended = 0.0 # low-level suspend start
+        tResumed = 0.0   # low-level resume start
+        tLow = 0.0       # time spent in low-level suspend (standby/freeze)
+        fwValid = False  # is firmware data available
+        fwSuspend = 0    # time spent in firmware suspend
+        fwResume = 0     # time spent in firmware resume
+        dmesgtext = []   # dmesg text file in memory
+        testnumber = 0
+        idstr = ''
+        html_device_id = 0
+        stamp = 0
+        outfile = ''
+        def __init__(self, num):
+                idchar = 'abcdefghijklmnopqrstuvwxyz'
+                self.testnumber = num
+                self.idstr = idchar[num]
+                self.dmesgtext = []
+                self.phases = []
+                self.dmesg = { # fixed list of 10 phases
+                        'suspend_prepare': {'list': dict(), 'start': -1.0, 'end': -1.0,
+                                                                'row': 0, 'color': '#CCFFCC', 'order': 0},
+                                'suspend': {'list': dict(), 'start': -1.0, 'end': -1.0,
+                                                                'row': 0, 'color': '#88FF88', 'order': 1},
+                           'suspend_late': {'list': dict(), 'start': -1.0, 'end': -1.0,
+                                                                'row': 0, 'color': '#00AA00', 'order': 2},
                           'suspend_noirq': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "#00FFFF", 'order': 2},
-                                'suspend_cpu': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "blue", 'order': 3},
-                                 'resume_cpu': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "red", 'order': 4},
+                                                                'row': 0, 'color': '#008888', 'order': 3},
+                    'suspend_machine': {'list': dict(), 'start': -1.0, 'end': -1.0,
+                                                                'row': 0, 'color': '#0000FF', 'order': 4},
+                         'resume_machine': {'list': dict(), 'start': -1.0, 'end': -1.0,
+                                                                'row': 0, 'color': '#FF0000', 'order': 5},
                            'resume_noirq': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "orange", 'order': 5},
+                                                                'row': 0, 'color': '#FF9900', 'order': 6},
                            'resume_early': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "yellow", 'order': 6},
-                         'resume_general': {'list': dict(), 'start': -1.0, 'end': -1.0,
-                                                                'row': 0, 'color': "#FFFFCC", 'order': 7}
+                                                                'row': 0, 'color': '#FFCC00', 'order': 7},
+                                 'resume': {'list': dict(), 'start': -1.0, 'end': -1.0,
+                                                                'row': 0, 'color': '#FFFF88', 'order': 8},
+                        'resume_complete': {'list': dict(), 'start': -1.0, 'end': -1.0,
+                                                                'row': 0, 'color': '#FFFFCC', 'order': 9}
                 }
                 self.phases = self.sortedPhases()
-        def normalizeTime(self):
-                tSus = tRes = self.tSuspended
-                if self.fwValid:
-                        tSus -= -self.fwSuspend / 1000000000.0
-                        tRes -= self.fwResume / 1000000000.0
-                self.tSuspended = 0.0
-                self.start -= tSus
-                self.end -= tRes
+        def getStart(self):
+                return self.dmesg[self.phases[0]]['start']
+        def setStart(self, time):
+                self.start = time
+                self.dmesg[self.phases[0]]['start'] = time
+        def getEnd(self):
+                return self.dmesg[self.phases[-1]]['end']
+        def setEnd(self, time):
+                self.end = time
+                self.dmesg[self.phases[-1]]['end'] = time
+        def isTraceEventOutsideDeviceCalls(self, pid, time):
+                for phase in self.phases:
+                        list = self.dmesg[phase]['list']
+                        for dev in list:
+                                d = list[dev]
+                                if(d['pid'] == pid and time >= d['start'] and
+                                        time <= d['end']):
+                                        return False
+                return True
+        def addIntraDevTraceEvent(self, action, name, pid, time):
+                if(action == 'mutex_lock_try'):
+                        color = 'red'
+                elif(action == 'mutex_lock_pass'):
+                        color = 'green'
+                elif(action == 'mutex_unlock'):
+                        color = 'blue'
+                else:
+                        # create separate colors based on the name
+                        v1 = len(name)*10 % 256
+                        v2 = string.count(name, 'e')*100 % 256
+                        v3 = ord(name[0])*20 % 256
+                        color = '#%06X' % ((v1*0x10000) + (v2*0x100) + v3)
+                for phase in self.phases:
+                        list = self.dmesg[phase]['list']
+                        for dev in list:
+                                d = list[dev]
+                                if(d['pid'] == pid and time >= d['start'] and
+                                        time <= d['end']):
+                                        e = TraceEvent(action, name, color, time)
+                                        if('traceevents' not in d):
+                                                d['traceevents'] = []
+                                        d['traceevents'].append(e)
+                                        return d
+                                        break
+                return 0
+        def capIntraDevTraceEvent(self, action, name, pid, time):
+                for phase in self.phases:
+                        list = self.dmesg[phase]['list']
+                        for dev in list:
+                                d = list[dev]
+                                if(d['pid'] == pid and time >= d['start'] and
+                                        time <= d['end']):
+                                        if('traceevents' not in d):
+                                                return
+                                        for e in d['traceevents']:
+                                                if(e.action == action and
+                                                        e.name == name and not e.ready):
+                                                        e.length = time - e.time
+                                                        e.ready = True
+                                                        break
+                                        return
+        def trimTimeVal(self, t, t0, dT, left):
+                if left:
+                        if(t > t0):
+                                if(t - dT < t0):
+                                        return t0
+                                return t - dT
+                        else:
+                                return t
+                else:
+                        if(t < t0 + dT):
+                                if(t > t0):
+                                        return t0 + dT
+                                return t + dT
+                        else:
+                                return t
+        def trimTime(self, t0, dT, left):
+                self.tSuspended = self.trimTimeVal(self.tSuspended, t0, dT, left)
+                self.tResumed = self.trimTimeVal(self.tResumed, t0, dT, left)
+                self.start = self.trimTimeVal(self.start, t0, dT, left)
+                self.end = self.trimTimeVal(self.end, t0, dT, left)
                 for phase in self.phases:
-                        zero = tRes
-                        if "suspend" in phase:
-                                zero = tSus
                         p = self.dmesg[phase]
-                        p['start'] -= zero
-                        p['end'] -= zero
+                        p['start'] = self.trimTimeVal(p['start'], t0, dT, left)
+                        p['end'] = self.trimTimeVal(p['end'], t0, dT, left)
                         list = p['list']
                         for name in list:
                                 d = list[name]
-                                d['start'] -= zero
-                                d['end'] -= zero
+                                d['start'] = self.trimTimeVal(d['start'], t0, dT, left)
+                                d['end'] = self.trimTimeVal(d['end'], t0, dT, left)
                                 if('ftrace' in d):
                                         cg = d['ftrace']
-                                        cg.start -= zero
-                                        cg.end -= zero
+                                        cg.start = self.trimTimeVal(cg.start, t0, dT, left)
+                                        cg.end = self.trimTimeVal(cg.end, t0, dT, left)
                                         for line in cg.list:
-                                                line.time -= zero
-                if self.fwValid:
-                        fws = -self.fwSuspend / 1000000000.0
-                        fwr = self.fwResume / 1000000000.0
-                        list = dict()
-                        self.id += 1
-                        devid = "dc%d" % self.id
-                        list["firmware-suspend"] = \
-                                {'start': fws, 'end': 0, 'pid': 0, 'par': "",
-                                'length': -fws, 'row': 0, 'id': devid };
-                        self.id += 1
-                        devid = "dc%d" % self.id
-                        list["firmware-resume"] = \
-                                {'start': 0, 'end': fwr, 'pid': 0, 'par': "",
-                                'length': fwr, 'row': 0, 'id': devid };
-                        self.dmesg['BIOS'] = \
-                                {'list': list, 'start': fws, 'end': fwr,
-                                'row': 0, 'color': "purple", 'order': 4}
-                        self.dmesg['resume_cpu']['order'] += 1
-                        self.dmesg['resume_noirq']['order'] += 1
-                        self.dmesg['resume_early']['order'] += 1
-                        self.dmesg['resume_general']['order'] += 1
-                        self.phases = self.sortedPhases()
-        def vprint(self, msg):
-                if(self.verbose):
-                        print(msg)
+                                                line.time = self.trimTimeVal(line.time, t0, dT, left)
+                                if('traceevents' in d):
+                                        for e in d['traceevents']:
+                                                e.time = self.trimTimeVal(e.time, t0, dT, left)
+        def normalizeTime(self, tZero):
+                # first trim out any standby or freeze clock time
+                if(self.tSuspended != self.tResumed):
+                        if(self.tResumed > tZero):
+                                self.trimTime(self.tSuspended, \
+                                        self.tResumed-self.tSuspended, True)
+                        else:
+                                self.trimTime(self.tSuspended, \
+                                        self.tResumed-self.tSuspended, False)
+                # shift the timeline so that tZero is the new 0
+                self.tSuspended -= tZero
+                self.tResumed -= tZero
+                self.start -= tZero
+                self.end -= tZero
+                for phase in self.phases:
+                        p = self.dmesg[phase]
+                        p['start'] -= tZero
+                        p['end'] -= tZero
+                        list = p['list']
+                        for name in list:
+                                d = list[name]
+                                d['start'] -= tZero
+                                d['end'] -= tZero
+                                if('ftrace' in d):
+                                        cg = d['ftrace']
+                                        cg.start -= tZero
+                                        cg.end -= tZero
+                                        for line in cg.list:
+                                                line.time -= tZero
+                                if('traceevents' in d):
+                                        for e in d['traceevents']:
+                                                e.time -= tZero
+        def newPhaseWithSingleAction(self, phasename, devname, start, end, color):
+                for phase in self.phases:
+                        self.dmesg[phase]['order'] += 1
+                self.html_device_id += 1
+                devid = '%s%d' % (self.idstr, self.html_device_id)
+                list = dict()
+                list[devname] = \
+                        {'start': start, 'end': end, 'pid': 0, 'par': '',
+                        'length': (end-start), 'row': 0, 'id': devid, 'drv': '' };
+                self.dmesg[phasename] = \
+                        {'list': list, 'start': start, 'end': end,
+                        'row': 0, 'color': color, 'order': 0}
+                self.phases = self.sortedPhases()
+        def newPhase(self, phasename, start, end, color, order):
+                if(order < 0):
+                        order = len(self.phases)
+                for phase in self.phases[order:]:
+                        self.dmesg[phase]['order'] += 1
+                if(order > 0):
+                        p = self.phases[order-1]
+                        self.dmesg[p]['end'] = start
+                if(order < len(self.phases)):
+                        p = self.phases[order]
+                        self.dmesg[p]['start'] = end
+                list = dict()
+                self.dmesg[phasename] = \
+                        {'list': list, 'start': start, 'end': end,
+                        'row': 0, 'color': color, 'order': order}
+                self.phases = self.sortedPhases()
+        def setPhase(self, phase, ktime, isbegin):
+                if(isbegin):
+                        self.dmesg[phase]['start'] = ktime
+                else:
+                        self.dmesg[phase]['end'] = ktime
         def dmesgSortVal(self, phase):
                 return self.dmesg[phase]['order']
         def sortedPhases(self):
@@ -197,59 +443,180 @@ class Data:
                         dev = phaselist[devname]
                         if(dev['end'] < 0):
                                 dev['end'] = end
-                                self.vprint("%s (%s): callback didn't return" % (devname, phase))
+                                vprint('%s (%s): callback didnt return' % (devname, phase))
+        def deviceFilter(self, devicefilter):
+                # remove all by the relatives of the filter devnames
+                filter = []
+                for phase in self.phases:
+                        list = self.dmesg[phase]['list']
+                        for name in devicefilter:
+                                dev = name
+                                while(dev in list):
+                                        if(dev not in filter):
+                                                filter.append(dev)
+                                        dev = list[dev]['par']
+                                children = self.deviceDescendants(name, phase)
+                                for dev in children:
+                                        if(dev not in filter):
+                                                filter.append(dev)
+                for phase in self.phases:
+                        list = self.dmesg[phase]['list']
+                        rmlist = []
+                        for name in list:
+                                pid = list[name]['pid']
+                                if(name not in filter and pid >= 0):
+                                        rmlist.append(name)
+                        for name in rmlist:
+                                del list[name]
         def fixupInitcallsThatDidntReturn(self):
                 # if any calls never returned, clip them at system resume end
                 for phase in self.phases:
-                        self.fixupInitcalls(phase, self.dmesg['resume_general']['end'])
-                        if(phase == "resume_general"):
-                                break
-        def newAction(self, phase, name, pid, parent, start, end):
-                self.id += 1
-                devid = "dc%d" % self.id
+                        self.fixupInitcalls(phase, self.getEnd())
+        def newActionGlobal(self, name, start, end):
+                # which phase is this device callback or action "in"
+                targetphase = "none"
+                overlap = 0.0
+                for phase in self.phases:
+                        pstart = self.dmesg[phase]['start']
+                        pend = self.dmesg[phase]['end']
+                        o = max(0, min(end, pend) - max(start, pstart))
+                        if(o > overlap):
+                                targetphase = phase
+                                overlap = o
+                if targetphase in self.phases:
+                        self.newAction(targetphase, name, -1, '', start, end, '')
+                        return True
+                return False
+        def newAction(self, phase, name, pid, parent, start, end, drv):
+                # new device callback for a specific phase
+                self.html_device_id += 1
+                devid = '%s%d' % (self.idstr, self.html_device_id)
                 list = self.dmesg[phase]['list']
                 length = -1.0
                 if(start >= 0 and end >= 0):
                         length = end - start
                 list[name] = {'start': start, 'end': end, 'pid': pid, 'par': parent,
-                                          'length': length, 'row': 0, 'id': devid }
+                                          'length': length, 'row': 0, 'id': devid, 'drv': drv }
         def deviceIDs(self, devlist, phase):
                 idlist = []
-                for p in self.phases:
-                        if(p[0] != phase[0]):
-                                continue
-                        list = data.dmesg[p]['list']
-                        for devname in list:
-                                if devname in devlist:
-                                        idlist.append(list[devname]['id'])
+                list = self.dmesg[phase]['list']
+                for devname in list:
+                        if devname in devlist:
+                                idlist.append(list[devname]['id'])
                 return idlist
         def deviceParentID(self, devname, phase):
-                pdev = ""
-                pdevid = ""
-                for p in self.phases:
-                        if(p[0] != phase[0]):
-                                continue
-                        list = data.dmesg[p]['list']
-                        if devname in list:
-                                pdev = list[devname]['par']
-                for p in self.phases:
-                        if(p[0] != phase[0]):
-                                continue
-                        list = data.dmesg[p]['list']
-                        if pdev in list:
-                                return list[pdev]['id']
+                pdev = ''
+                pdevid = ''
+                list = self.dmesg[phase]['list']
+                if devname in list:
+                        pdev = list[devname]['par']
+                if pdev in list:
+                        return list[pdev]['id']
                 return pdev
-        def deviceChildrenIDs(self, devname, phase):
+        def deviceChildren(self, devname, phase):
                 devlist = []
-                for p in self.phases:
-                        if(p[0] != phase[0]):
-                                continue
-                        list = data.dmesg[p]['list']
-                        for child in list:
-                                if(list[child]['par'] == devname):
-                                        devlist.append(child)
+                list = self.dmesg[phase]['list']
+                for child in list:
+                        if(list[child]['par'] == devname):
+                                devlist.append(child)
+                return devlist
+        def deviceDescendants(self, devname, phase):
+                children = self.deviceChildren(devname, phase)
+                family = children
+                for child in children:
+                        family += self.deviceDescendants(child, phase)
+                return family
+        def deviceChildrenIDs(self, devname, phase):
+                devlist = self.deviceChildren(devname, phase)
                 return self.deviceIDs(devlist, phase)
-
+        def printDetails(self):
+                vprint('          test start: %f' % self.start)
+                for phase in self.phases:
+                        dc = len(self.dmesg[phase]['list'])
+                        vprint('    %16s: %f - %f (%d devices)' % (phase, \
+                                self.dmesg[phase]['start'], self.dmesg[phase]['end'], dc))
+                vprint('            test end: %f' % self.end)
+        def masterTopology(self, name, list, depth):
+                node = DeviceNode(name, depth)
+                for cname in list:
+                        clist = self.deviceChildren(cname, 'resume')
+                        cnode = self.masterTopology(cname, clist, depth+1)
+                        node.children.append(cnode)
+                return node
+        def printTopology(self, node):
+                html = ''
+                if node.name:
+                        info = ''
+                        drv = ''
+                        for phase in self.phases:
+                                list = self.dmesg[phase]['list']
+                                if node.name in list:
+                                        s = list[node.name]['start']
+                                        e = list[node.name]['end']
+                                        if list[node.name]['drv']:
+                                                drv = ' {'+list[node.name]['drv']+'}'
+                                        info += ('<li>%s: %.3fms</li>' % (phase, (e-s)*1000))
+                        html += '<li><b>'+node.name+drv+'</b>'
+                        if info:
+                                html += '<ul>'+info+'</ul>'
+                        html += '</li>'
+                if len(node.children) > 0:
+                        html += '<ul>'
+                        for cnode in node.children:
+                                html += self.printTopology(cnode)
+                        html += '</ul>'
+                return html
+        def rootDeviceList(self):
+                # list of devices graphed
+                real = []
+                for phase in self.dmesg:
+                        list = self.dmesg[phase]['list']
+                        for dev in list:
+                                if list[dev]['pid'] >= 0 and dev not in real:
+                                        real.append(dev)
+                # list of top-most root devices
+                rootlist = []
+                for phase in self.dmesg:
+                        list = self.dmesg[phase]['list']
+                        for dev in list:
+                                pdev = list[dev]['par']
+                                if(re.match('[0-9]*-[0-9]*\.[0-9]*[\.0-9]*\:[\.0-9]*$', pdev)):
+                                        continue
+                                if pdev and pdev not in real and pdev not in rootlist:
+                                        rootlist.append(pdev)
+                return rootlist
+        def deviceTopology(self):
+                rootlist = self.rootDeviceList()
+                master = self.masterTopology('', rootlist, 0)
+                return self.printTopology(master)
+
+# Class: TraceEvent
+# Description:
+#        A container for trace event data found in the ftrace file
+class TraceEvent:
+        ready = False
+        name = ''
+        time = 0.0
+        color = '#FFFFFF'
+        length = 0.0
+        action = ''
+        def __init__(self, a, n, c, t):
+                self.action = a
+                self.name = n
+                self.color = c
+                self.time = t
+
+# Class: FTraceLine
+# Description:
+#        A container for a single line of ftrace data. There are six basic types:
+#                callgraph line:
+#                         call: "  dpm_run_callback() {"
+#                       return: "  }"
+#                         leaf: " dpm_run_callback();"
+#                trace event:
+#                        tracing_mark_write: SUSPEND START or RESUME COMPLETE
+#                        suspend_resume: phase or custom exec block data
+#                        device_pm_callback: device callback info
 class FTraceLine:
         time = 0.0
         length = 0.0
@@ -257,20 +624,33 @@ class FTraceLine:
         freturn = False
         fevent = False
         depth = 0
-        name = ""
+        name = ''
+        type = ''
         def __init__(self, t, m, d):
                 self.time = float(t)
-                # check to see if this is a trace event
-                em = re.match(r"^ *\/\* *(?P<msg>.*) \*\/ *$", m)
-                if(em):
-                        self.name = em.group("msg")
+                # is this a trace event
+                if(d == 'traceevent' or re.match('^ *\/\* *(?P<msg>.*) \*\/ *$', m)):
+                        if(d == 'traceevent'):
+                                # nop format trace event
+                                msg = m
+                        else:
+                                # function_graph format trace event
+                                em = re.match('^ *\/\* *(?P<msg>.*) \*\/ *$', m)
+                                msg = em.group('msg')
+
+                        emm = re.match('^(?P<call>.*?): (?P<msg>.*)', msg)
+                        if(emm):
+                                self.name = emm.group('msg')
+                                self.type = emm.group('call')
+                        else:
+                                self.name = msg
                         self.fevent = True
                         return
                 # convert the duration to seconds
                 if(d):
                         self.length = float(d)/1000000
                 # the indentation determines the depth
-                match = re.match(r"^(?P<d> *)(?P<o>.*)$", m)
+                match = re.match('^(?P<d> *)(?P<o>.*)$', m)
                 if(not match):
                         return
                 self.depth = self.getDepth(match.group('d'))
@@ -280,7 +660,7 @@ class FTraceLine:
                         self.freturn = True
                         if(len(m) > 1):
                                 # includes comment with function name
-                                match = re.match(r"^} *\/\* *(?P<n>.*) *\*\/$", m)
+                                match = re.match('^} *\/\* *(?P<n>.*) *\*\/$', m)
                                 if(match):
                                         self.name = match.group('n')
                 # function call
@@ -288,13 +668,13 @@ class FTraceLine:
                         self.fcall = True
                         # function call with children
                         if(m[-1] == '{'):
-                                match = re.match(r"^(?P<n>.*) *\(.*", m)
+                                match = re.match('^(?P<n>.*) *\(.*', m)
                                 if(match):
                                         self.name = match.group('n')
                         # function call with no children (leaf)
                         elif(m[-1] == ';'):
                                 self.freturn = True
-                                match = re.match(r"^(?P<n>.*) *\(.*", m)
+                                match = re.match('^(?P<n>.*) *\(.*', m)
                                 if(match):
                                         self.name = match.group('n')
                         # something else (possibly a trace marker)
@@ -302,7 +682,23 @@ class FTraceLine:
                                 self.name = m
         def getDepth(self, str):
                 return len(str)/2
+        def debugPrint(self, dev):
+                if(self.freturn and self.fcall):
+                        print('%s -- %f (%02d): %s(); (%.3f us)' % (dev, self.time, \
+                                self.depth, self.name, self.length*1000000))
+                elif(self.freturn):
+                        print('%s -- %f (%02d): %s} (%.3f us)' % (dev, self.time, \
+                                self.depth, self.name, self.length*1000000))
+                else:
+                        print('%s -- %f (%02d): %s() { (%.3f us)' % (dev, self.time, \
+                                self.depth, self.name, self.length*1000000))
 
+# Class: FTraceCallGraph
+# Description:
+#        A container for the ftrace callgraph of a single recursive function.
+#        This can be a dpm_run_callback, dpm_prepare, or dpm_complete callgraph
+#        Each instance is tied to a single device in a single phase, and is
+#        comprised of an ordered list of FTraceLine objects
 class FTraceCallGraph:
         start = -1.0
         end = -1.0
@@ -327,24 +723,53 @@ class FTraceCallGraph:
                 if(not self.invalid):
                         self.setDepth(line)
                 if(line.depth == 0 and line.freturn):
+                        if(self.start < 0):
+                                self.start = line.time
                         self.end = line.time
                         self.list.append(line)
                         return True
                 if(self.invalid):
                         return False
                 if(len(self.list) >= 1000000 or self.depth < 0):
-                   first = self.list[0]
-                   self.list = []
-                   self.list.append(first)
-                   self.invalid = True
-                   id = "task %s cpu %s" % (match.group("pid"), match.group("cpu"))
-                   window = "(%f - %f)" % (self.start, line.time)
-                   data.vprint("Too much data for "+id+" "+window+", ignoring this callback")
-                   return False
+                        if(len(self.list) > 0):
+                                first = self.list[0]
+                                self.list = []
+                                self.list.append(first)
+                        self.invalid = True
+                        if(not match):
+                                return False
+                        id = 'task %s cpu %s' % (match.group('pid'), match.group('cpu'))
+                        window = '(%f - %f)' % (self.start, line.time)
+                        if(self.depth < 0):
+                                print('Too much data for '+id+\
+                                        ' (buffer overflow), ignoring this callback')
+                        else:
+                                print('Too much data for '+id+\
+                                        ' '+window+', ignoring this callback')
+                        return False
                 self.list.append(line)
                 if(self.start < 0):
                         self.start = line.time
                 return False
+        def slice(self, t0, tN):
+                minicg = FTraceCallGraph()
+                count = -1
+                firstdepth = 0
+                for l in self.list:
+                        if(l.time < t0 or l.time > tN):
+                                continue
+                        if(count < 0):
+                                if(not l.fcall or l.name == 'dev_driver_string'):
+                                        continue
+                                firstdepth = l.depth
+                                count = 0
+                        l.depth -= firstdepth
+                        minicg.addLine(l, 0)
+                        if((count == 0 and l.freturn and l.fcall) or
+                                (count > 0 and l.depth <= 0)):
+                                break
+                        count += 1
+                return minicg
         def sanityCheck(self):
                 stack = dict()
                 cnt = 0
@@ -353,7 +778,7 @@ class FTraceCallGraph:
                                 stack[l.depth] = l
                                 cnt += 1
                         elif(l.freturn and not l.fcall):
-                                if(not stack[l.depth]):
+                                if(l.depth not in stack):
                                         return False
                                 stack[l.depth].length = l.length
                                 stack[l.depth] = 0
@@ -363,40 +788,51 @@ class FTraceCallGraph:
                         return True
                 return False
         def debugPrint(self, filename):
-                if(filename == "stdout"):
-                        print("[%f - %f]") % (self.start, self.end)
+                if(filename == 'stdout'):
+                        print('[%f - %f]') % (self.start, self.end)
                         for l in self.list:
                                 if(l.freturn and l.fcall):
-                                        print("%f (%02d): %s(); (%.3f us)" % (l.time, l.depth, l.name, l.length*1000000))
+                                        print('%f (%02d): %s(); (%.3f us)' % (l.time, \
+                                                l.depth, l.name, l.length*1000000))
                                 elif(l.freturn):
-                                        print("%f (%02d): %s} (%.3f us)" % (l.time, l.depth, l.name, l.length*1000000))
+                                        print('%f (%02d): %s} (%.3f us)' % (l.time, \
+                                                l.depth, l.name, l.length*1000000))
                                 else:
-                                        print("%f (%02d): %s() { (%.3f us)" % (l.time, l.depth, l.name, l.length*1000000))
-                        print(" ")
+                                        print('%f (%02d): %s() { (%.3f us)' % (l.time, \
+                                                l.depth, l.name, l.length*1000000))
+                        print(' ')
                 else:
                         fp = open(filename, 'w')
                         print(filename)
                         for l in self.list:
                                 if(l.freturn and l.fcall):
-                                        fp.write("%f (%02d): %s(); (%.3f us)\n" % (l.time, l.depth, l.name, l.length*1000000))
+                                        fp.write('%f (%02d): %s(); (%.3f us)\n' % (l.time, \
+                                                l.depth, l.name, l.length*1000000))
                                 elif(l.freturn):
-                                        fp.write("%f (%02d): %s} (%.3f us)\n" % (l.time, l.depth, l.name, l.length*1000000))
+                                        fp.write('%f (%02d): %s} (%.3f us)\n' % (l.time, \
+                                                l.depth, l.name, l.length*1000000))
                                 else:
-                                        fp.write("%f (%02d): %s() { (%.3f us)\n" % (l.time, l.depth, l.name, l.length*1000000))
+                                        fp.write('%f (%02d): %s() { (%.3f us)\n' % (l.time, \
+                                                l.depth, l.name, l.length*1000000))
                         fp.close()
 
+# Class: Timeline
+# Description:
+#        A container for a suspend/resume html timeline. In older versions
+#        of the script there were multiple timelines, but in the latest
+#        there is only one.
 class Timeline:
         html = {}
-        scaleH = 0.0 # height of the timescale row as a percent of the timeline height
+        scaleH = 0.0 # height of the row as a percent of the timeline height
         rowH = 0.0 # height of each row in percent of the timeline height
         row_height_pixels = 30
         maxrows = 0
         height = 0
         def __init__(self):
                 self.html = {
-                        'timeline': "",
-                        'legend': "",
-                        'scale': ""
+                        'timeline': '',
+                        'legend': '',
+                        'scale': ''
                 }
         def setRows(self, rows):
                 self.maxrows = int(rows)
@@ -407,104 +843,261 @@ class Timeline:
                         r = 1.0
                 self.rowH = (100.0 - self.scaleH)/r
 
-# -- global objects --
+# Class: TestRun
+# Description:
+#        A container for a suspend/resume test run. This is necessary as
+#        there could be more than one, and they need to be separate.
+class TestRun:
+        ftrace_line_fmt_fg = \
+                '^ *(?P<time>[0-9\.]*) *\| *(?P<cpu>[0-9]*)\)'+\
+                ' *(?P<proc>.*)-(?P<pid>[0-9]*) *\|'+\
+                '[ +!]*(?P<dur>[0-9\.]*) .*\|  (?P<msg>.*)'
+        ftrace_line_fmt_nop = \
+                ' *(?P<proc>.*)-(?P<pid>[0-9]*) *\[(?P<cpu>[0-9]*)\] *'+\
+                '(?P<flags>.{4}) *(?P<time>[0-9\.]*): *'+\
+                '(?P<msg>.*)'
+        ftrace_line_fmt = ftrace_line_fmt_nop
+        cgformat = False
+        ftemp = dict()
+        ttemp = dict()
+        inthepipe = False
+        tracertype = ''
+        data = 0
+        def __init__(self, dataobj):
+                self.data = dataobj
+                self.ftemp = dict()
+                self.ttemp = dict()
+        def isReady(self):
+                if(tracertype == '' or not data):
+                        return False
+                return True
+        def setTracerType(self, tracer):
+                self.tracertype = tracer
+                if(tracer == 'function_graph'):
+                        self.cgformat = True
+                        self.ftrace_line_fmt = self.ftrace_line_fmt_fg
+                elif(tracer == 'nop'):
+                        self.ftrace_line_fmt = self.ftrace_line_fmt_nop
+                else:
+                        doError('Invalid tracer format: [%s]' % tracer, False)
 
-sysvals = SystemValues()
-data = Data()
+# ----------------- FUNCTIONS --------------------
 
-# -- functions --
+# Function: vprint
+# Description:
+#        verbose print (prints only with -verbose option)
+# Arguments:
+#        msg: the debug/log message to print
+def vprint(msg):
+        global sysvals
+        if(sysvals.verbose):
+                print(msg)
 
 # Function: initFtrace
 # Description:
-#        Configure ftrace to capture a function trace during suspend/resume
+#        Configure ftrace to use trace events and/or a callgraph
 def initFtrace():
         global sysvals
 
-        print("INITIALIZING FTRACE...")
-        # turn trace off
-        os.system("echo 0 > "+sysvals.tpath+"tracing_on")
-        # set the trace clock to global
-        os.system("echo global > "+sysvals.tpath+"trace_clock")
-        # set trace buffer to a huge value
-        os.system("echo nop > "+sysvals.tpath+"current_tracer")
-        os.system("echo 100000 > "+sysvals.tpath+"buffer_size_kb")
-        # clear the trace buffer
-        os.system("echo \"\" > "+sysvals.tpath+"trace")
-        # set trace type
-        os.system("echo function_graph > "+sysvals.tpath+"current_tracer")
-        os.system("echo \"\" > "+sysvals.tpath+"set_ftrace_filter")
-        # set trace format options
-        os.system("echo funcgraph-abstime > "+sysvals.tpath+"trace_options")
-        os.system("echo funcgraph-proc > "+sysvals.tpath+"trace_options")
-        # focus only on device suspend and resume
-        os.system("cat "+sysvals.tpath+"available_filter_functions | grep dpm_run_callback > "+sysvals.tpath+"set_graph_function")
+        tp = sysvals.tpath
+        cf = 'dpm_run_callback'
+        if(sysvals.usetraceeventsonly):
+                cf = '-e dpm_prepare -e dpm_complete -e dpm_run_callback'
+        if(sysvals.usecallgraph or sysvals.usetraceevents):
+                print('INITIALIZING FTRACE...')
+                # turn trace off
+                os.system('echo 0 > '+tp+'tracing_on')
+                # set the trace clock to global
+                os.system('echo global > '+tp+'trace_clock')
+                # set trace buffer to a huge value
+                os.system('echo nop > '+tp+'current_tracer')
+                os.system('echo 100000 > '+tp+'buffer_size_kb')
+                # initialize the callgraph trace, unless this is an x2 run
+                if(sysvals.usecallgraph and sysvals.execcount == 1):
+                        # set trace type
+                        os.system('echo function_graph > '+tp+'current_tracer')
+                        os.system('echo "" > '+tp+'set_ftrace_filter')
+                        # set trace format options
+                        os.system('echo funcgraph-abstime > '+tp+'trace_options')
+                        os.system('echo funcgraph-proc > '+tp+'trace_options')
+                        # focus only on device suspend and resume
+                        os.system('cat '+tp+'available_filter_functions | grep '+\
+                                cf+' > '+tp+'set_graph_function')
+                if(sysvals.usetraceevents):
+                        # turn trace events on
+                        events = iter(sysvals.traceevents)
+                        for e in events:
+                                os.system('echo 1 > '+sysvals.epath+e+'/enable')
+                # clear the trace buffer
+                os.system('echo "" > '+tp+'trace')
+
+# Function: initFtraceAndroid
+# Description:
+#        Configure ftrace to capture trace events
+def initFtraceAndroid():
+        global sysvals
+
+        tp = sysvals.tpath
+        if(sysvals.usetraceevents):
+                print('INITIALIZING FTRACE...')
+                # turn trace off
+                os.system(sysvals.adb+" shell 'echo 0 > "+tp+"tracing_on'")
+                # set the trace clock to global
+                os.system(sysvals.adb+" shell 'echo global > "+tp+"trace_clock'")
+                # set trace buffer to a huge value
+                os.system(sysvals.adb+" shell 'echo nop > "+tp+"current_tracer'")
+                os.system(sysvals.adb+" shell 'echo 10000 > "+tp+"buffer_size_kb'")
+                # turn trace events on
+                events = iter(sysvals.traceevents)
+                for e in events:
+                        os.system(sysvals.adb+" shell 'echo 1 > "+\
+                                sysvals.epath+e+"/enable'")
+                # clear the trace buffer
+                os.system(sysvals.adb+" shell 'echo \"\" > "+tp+"trace'")
 
 # Function: verifyFtrace
 # Description:
 #        Check that ftrace is working on the system
+# Output:
+#        True or False
 def verifyFtrace():
         global sysvals
-        files = ["available_filter_functions", "buffer_size_kb",
-                         "current_tracer", "set_ftrace_filter",
-                         "trace", "trace_marker"]
+        # files needed for any trace data
+        files = ['buffer_size_kb', 'current_tracer', 'trace', 'trace_clock',
+                         'trace_marker', 'trace_options', 'tracing_on']
+        # files needed for callgraph trace data
+        tp = sysvals.tpath
+        if(sysvals.usecallgraph):
+                files += [
+                        'available_filter_functions',
+                        'set_ftrace_filter',
+                        'set_graph_function'
+                ]
         for f in files:
-                if(os.path.exists(sysvals.tpath+f) == False):
-                        return False
+                if(sysvals.android):
+                        out = os.popen(sysvals.adb+' shell ls '+tp+f).read().strip()
+                        if(out != tp+f):
+                                return False
+                else:
+                        if(os.path.exists(tp+f) == False):
+                                return False
         return True
 
-def parseStamp(line):
-        global data, sysvals
-        stampfmt = r"# suspend-(?P<m>[0-9]{2})(?P<d>[0-9]{2})(?P<y>[0-9]{2})-"+\
-                                "(?P<H>[0-9]{2})(?P<M>[0-9]{2})(?P<S>[0-9]{2})"+\
-                                " (?P<host>.*) (?P<mode>.*) (?P<kernel>.*)$"
-        m = re.match(stampfmt, line)
-        if(m):
-                dt = datetime.datetime(int(m.group("y"))+2000, int(m.group("m")),
-                        int(m.group("d")), int(m.group("H")), int(m.group("M")),
-                        int(m.group("S")))
-                data.stamp['time'] = dt.strftime("%B %d %Y, %I:%M:%S %p")
-                data.stamp['host'] = m.group("host")
-                data.stamp['mode'] = m.group("mode")
-                data.stamp['kernel'] = m.group("kernel")
-                sysvals.suspendmode = data.stamp['mode']
-
-# Function: analyzeTraceLog
+# Function: parseStamp
 # Description:
-#        Analyse an ftrace log output file generated from this app during
-#        the execution phase. Create an "ftrace" structure in memory for
-#        subsequent formatting in the html output file
-def analyzeTraceLog():
-        global sysvals, data
-
-        # the ftrace data is tied to the dmesg data
-        if(not data.usedmesg):
-                return
-
-        # read through the ftrace and parse the data
-        data.vprint("Analyzing the ftrace data...")
-        ftrace_line_fmt = r"^ *(?P<time>[0-9\.]*) *\| *(?P<cpu>[0-9]*)\)"+\
-                                           " *(?P<proc>.*)-(?P<pid>[0-9]*) *\|"+\
-                                           "[ +!]*(?P<dur>[0-9\.]*) .*\|  (?P<msg>.*)"
-        ftemp = dict()
-        inthepipe = False
+#        Pull in the stamp comment line from the data file(s),
+#        create the stamp, and add it to the global sysvals object
+# Arguments:
+#        m: the valid re.match output for the stamp line
+def parseStamp(m, data):
+        global sysvals
+        data.stamp = {'time': '', 'host': '', 'mode': ''}
+        dt = datetime(int(m.group('y'))+2000, int(m.group('m')),
+                int(m.group('d')), int(m.group('H')), int(m.group('M')),
+                int(m.group('S')))
+        data.stamp['time'] = dt.strftime('%B %d %Y, %I:%M:%S %p')
+        data.stamp['host'] = m.group('host')
+        data.stamp['mode'] = m.group('mode')
+        data.stamp['kernel'] = m.group('kernel')
+        sysvals.suspendmode = data.stamp['mode']
+        if not sysvals.stamp:
+                sysvals.stamp = data.stamp
+
+# Function: diffStamp
+# Description:
+#       compare the host, kernel, and mode fields in 3 stamps
+# Arguments:
+#        stamp1: string array with mode, kernel, and host
+#        stamp2: string array with mode, kernel, and host
+# Return:
+#       True if stamps differ, False if they're the same
+def diffStamp(stamp1, stamp2):
+        if 'host' in stamp1 and 'host' in stamp2:
+                if stamp1['host'] != stamp2['host']:
+                        return True
+        if 'kernel' in stamp1 and 'kernel' in stamp2:
+                if stamp1['kernel'] != stamp2['kernel']:
+                        return True
+        if 'mode' in stamp1 and 'mode' in stamp2:
+                if stamp1['mode'] != stamp2['mode']:
+                        return True
+        return False
+
+# Function: doesTraceLogHaveTraceEvents
+# Description:
+#        Quickly determine if the ftrace log has some or all of the trace events
+#        required for primary parsing. Set the usetraceevents and/or
+#        usetraceeventsonly flags in the global sysvals object
+def doesTraceLogHaveTraceEvents():
+        global sysvals
+
+        sysvals.usetraceeventsonly = True
+        sysvals.usetraceevents = False
+        for e in sysvals.traceevents:
+                out = os.popen('cat '+sysvals.ftracefile+' | grep "'+e+': "').read()
+                if(not out):
+                        sysvals.usetraceeventsonly = False
+                if(e == 'suspend_resume' and out):
+                        sysvals.usetraceevents = True
+
+# Function: appendIncompleteTraceLog
+# Description:
+#        [deprecated for kernel 3.15 or newer]
+#        Legacy support of ftrace outputs that lack the device_pm_callback
+#        and/or suspend_resume trace events. The primary data should be
+#        taken from dmesg, and this ftrace is used only for callgraph data
+#        or custom actions in the timeline. The data is appended to the Data
+#        objects provided.
+# Arguments:
+#        testruns: the array of Data objects obtained from parseKernelLog
+def appendIncompleteTraceLog(testruns):
+        global sysvals
+
+        # create TestRun vessels for ftrace parsing
+        testcnt = len(testruns)
+        testidx = -1
+        testrun = []
+        for data in testruns:
+                testrun.append(TestRun(data))
+
+        # extract the callgraph and traceevent data
+        vprint('Analyzing the ftrace data...')
         tf = open(sysvals.ftracefile, 'r')
-        count = 0
         for line in tf:
-                count = count + 1
-                # grab the time stamp if it's valid
-                if(count == 1):
-                        parseStamp(line)
+                # remove any latent carriage returns
+                line = line.replace('\r\n', '')
+                # grab the time stamp first (signifies the start of the test run)
+                m = re.match(sysvals.stampfmt, line)
+                if(m):
+                        testidx += 1
+                        parseStamp(m, testrun[testidx].data)
+                        continue
+                # pull out any firmware data
+                if(re.match(sysvals.firmwarefmt, line)):
+                        continue
+                # if we havent found a test time stamp yet keep spinning til we do
+                if(testidx < 0):
+                        continue
+                # determine the trace data type (required for further parsing)
+                m = re.match(sysvals.tracertypefmt, line)
+                if(m):
+                        tracer = m.group('t')
+                        testrun[testidx].setTracerType(tracer)
                         continue
-                # parse only valid lines
-                m = re.match(ftrace_line_fmt, line)
+                # parse only valid lines, if this isnt one move on
+                m = re.match(testrun[testidx].ftrace_line_fmt, line)
                 if(not m):
                         continue
-                m_time = m.group("time")
-                m_pid = m.group("pid")
-                m_msg = m.group("msg")
-                m_dur = m.group("dur")
+                # gather the basic message data from the line
+                m_time = m.group('time')
+                m_pid = m.group('pid')
+                m_msg = m.group('msg')
+                if(testrun[testidx].cgformat):
+                        m_param3 = m.group('dur')
+                else:
+                        m_param3 = 'traceevent'
                 if(m_time and m_pid and m_msg):
-                        t = FTraceLine(m_time, m_msg, m_dur)
+                        t = FTraceLine(m_time, m_msg, m_param3)
                         pid = int(m_pid)
                 else:
                         continue
@@ -512,265 +1105,840 @@ def analyzeTraceLog():
                 if(not t.fcall and not t.freturn and not t.fevent):
                         continue
                 # only parse the ftrace data during suspend/resume
-                if(not inthepipe):
+                data = testrun[testidx].data
+                if(not testrun[testidx].inthepipe):
                         # look for the suspend start marker
                         if(t.fevent):
-                                if(t.name == "SUSPEND START"):
-                                        data.vprint("SUSPEND START %f %s:%d" % (t.time, sysvals.ftracefile, count))
-                                        inthepipe = True
+                                if(t.name == 'SUSPEND START'):
+                                        testrun[testidx].inthepipe = True
+                                        data.setStart(t.time)
                                 continue
                 else:
-                        # look for the resume end marker
+                        # trace event processing
                         if(t.fevent):
-                                if(t.name == "RESUME COMPLETE"):
-                                        data.vprint("RESUME COMPLETE %f %s:%d" % (t.time, sysvals.ftracefile, count))
-                                        inthepipe = False
-                                        break
+                                if(t.name == 'RESUME COMPLETE'):
+                                        testrun[testidx].inthepipe = False
+                                        data.setEnd(t.time)
+                                        if(testidx == testcnt - 1):
+                                                break
+                                        continue
+                                # general trace events have two types, begin and end
+                                if(re.match('(?P<name>.*) begin$', t.name)):
+                                        isbegin = True
+                                elif(re.match('(?P<name>.*) end$', t.name)):
+                                        isbegin = False
+                                else:
+                                        continue
+                                m = re.match('(?P<name>.*)\[(?P<val>[0-9]*)\] .*', t.name)
+                                if(m):
+                                        val = m.group('val')
+                                        if val == '0':
+                                                name = m.group('name')
+                                        else:
+                                                name = m.group('name')+'['+val+']'
+                                else:
+                                        m = re.match('(?P<name>.*) .*', t.name)
+                                        name = m.group('name')
+                                # special processing for trace events
+                                if re.match('dpm_prepare\[.*', name):
+                                        continue
+                                elif re.match('machine_suspend.*', name):
+                                        continue
+                                elif re.match('suspend_enter\[.*', name):
+                                        if(not isbegin):
+                                                data.dmesg['suspend_prepare']['end'] = t.time
+                                        continue
+                                elif re.match('dpm_suspend\[.*', name):
+                                        if(not isbegin):
+                                                data.dmesg['suspend']['end'] = t.time
+                                        continue
+                                elif re.match('dpm_suspend_late\[.*', name):
+                                        if(isbegin):
+                                                data.dmesg['suspend_late']['start'] = t.time
+                                        else:
+                                                data.dmesg['suspend_late']['end'] = t.time
+                                        continue
+                                elif re.match('dpm_suspend_noirq\[.*', name):
+                                        if(isbegin):
+                                                data.dmesg['suspend_noirq']['start'] = t.time
+                                        else:
+                                                data.dmesg['suspend_noirq']['end'] = t.time
+                                        continue
+                                elif re.match('dpm_resume_noirq\[.*', name):
+                                        if(isbegin):
+                                                data.dmesg['resume_machine']['end'] = t.time
+                                                data.dmesg['resume_noirq']['start'] = t.time
+                                        else:
+                                                data.dmesg['resume_noirq']['end'] = t.time
+                                        continue
+                                elif re.match('dpm_resume_early\[.*', name):
+                                        if(isbegin):
+                                                data.dmesg['resume_early']['start'] = t.time
+                                        else:
+                                                data.dmesg['resume_early']['end'] = t.time
+                                        continue
+                                elif re.match('dpm_resume\[.*', name):
+                                        if(isbegin):
+                                                data.dmesg['resume']['start'] = t.time
+                                        else:
+                                                data.dmesg['resume']['end'] = t.time
+                                        continue
+                                elif re.match('dpm_complete\[.*', name):
+                                        if(isbegin):
+                                                data.dmesg['resume_complete']['start'] = t.time
+                                        else:
+                                                data.dmesg['resume_complete']['end'] = t.time
+                                        continue
+                                # is this trace event outside of the devices calls
+                                if(data.isTraceEventOutsideDeviceCalls(pid, t.time)):
+                                        # global events (outside device calls) are simply graphed
+                                        if(isbegin):
+                                                # store each trace event in ttemp
+                                                if(name not in testrun[testidx].ttemp):
+                                                        testrun[testidx].ttemp[name] = []
+                                                testrun[testidx].ttemp[name].append(\
+                                                        {'begin': t.time, 'end': t.time})
+                                        else:
+                                                # finish off matching trace event in ttemp
+                                                if(name in testrun[testidx].ttemp):
+                                                        testrun[testidx].ttemp[name][-1]['end'] = t.time
+                                else:
+                                        if(isbegin):
+                                                data.addIntraDevTraceEvent('', name, pid, t.time)
+                                        else:
+                                                data.capIntraDevTraceEvent('', name, pid, t.time)
+                        # call/return processing
+                        elif sysvals.usecallgraph:
+                                # create a callgraph object for the data
+                                if(pid not in testrun[testidx].ftemp):
+                                        testrun[testidx].ftemp[pid] = []
+                                        testrun[testidx].ftemp[pid].append(FTraceCallGraph())
+                                # when the call is finished, see which device matches it
+                                cg = testrun[testidx].ftemp[pid][-1]
+                                if(cg.addLine(t, m)):
+                                        testrun[testidx].ftemp[pid].append(FTraceCallGraph())
+        tf.close()
+
+        for test in testrun:
+                # add the traceevent data to the device hierarchy
+                if(sysvals.usetraceevents):
+                        for name in test.ttemp:
+                                for event in test.ttemp[name]:
+                                        begin = event['begin']
+                                        end = event['end']
+                                        # if event starts before timeline start, expand timeline
+                                        if(begin < test.data.start):
+                                                test.data.setStart(begin)
+                                        # if event ends after timeline end, expand the timeline
+                                        if(end > test.data.end):
+                                                test.data.setEnd(end)
+                                        test.data.newActionGlobal(name, begin, end)
+
+                # add the callgraph data to the device hierarchy
+                for pid in test.ftemp:
+                        for cg in test.ftemp[pid]:
+                                if(not cg.sanityCheck()):
+                                        id = 'task %s cpu %s' % (pid, m.group('cpu'))
+                                        vprint('Sanity check failed for '+\
+                                                id+', ignoring this callback')
+                                        continue
+                                callstart = cg.start
+                                callend = cg.end
+                                for p in test.data.phases:
+                                        if(test.data.dmesg[p]['start'] <= callstart and
+                                                callstart <= test.data.dmesg[p]['end']):
+                                                list = test.data.dmesg[p]['list']
+                                                for devname in list:
+                                                        dev = list[devname]
+                                                        if(pid == dev['pid'] and
+                                                                callstart <= dev['start'] and
+                                                                callend >= dev['end']):
+                                                                dev['ftrace'] = cg
+                                                break
+
+                if(sysvals.verbose):
+                        test.data.printDetails()
+
+
+        # add the time in between the tests as a new phase so we can see it
+        if(len(testruns) > 1):
+                t1e = testruns[0].getEnd()
+                t2s = testruns[-1].getStart()
+                testruns[-1].newPhaseWithSingleAction('user mode', \
+                        'user mode', t1e, t2s, '#FF9966')
+
+# Function: parseTraceLog
+# Description:
+#        Analyze an ftrace log output file generated from this app during
+#        the execution phase. Used when the ftrace log is the primary data source
+#        and includes the suspend_resume and device_pm_callback trace events
+#        The ftrace filename is taken from sysvals
+# Output:
+#        An array of Data objects
+def parseTraceLog():
+        global sysvals
+
+        vprint('Analyzing the ftrace data...')
+        if(os.path.exists(sysvals.ftracefile) == False):
+                doError('%s doesnt exist' % sysvals.ftracefile, False)
+
+        # extract the callgraph and traceevent data
+        testruns = []
+        testdata = []
+        testrun = 0
+        data = 0
+        tf = open(sysvals.ftracefile, 'r')
+        phase = 'suspend_prepare'
+        for line in tf:
+                # remove any latent carriage returns
+                line = line.replace('\r\n', '')
+                # stamp line: each stamp means a new test run
+                m = re.match(sysvals.stampfmt, line)
+                if(m):
+                        data = Data(len(testdata))
+                        testdata.append(data)
+                        testrun = TestRun(data)
+                        testruns.append(testrun)
+                        parseStamp(m, data)
+                        continue
+                if(not data):
+                        continue
+                # firmware line: pull out any firmware data
+                m = re.match(sysvals.firmwarefmt, line)
+                if(m):
+                        data.fwSuspend = int(m.group('s'))
+                        data.fwResume = int(m.group('r'))
+                        if(data.fwSuspend > 0 or data.fwResume > 0):
+                                data.fwValid = True
+                        continue
+                # tracer type line: determine the trace data type
+                m = re.match(sysvals.tracertypefmt, line)
+                if(m):
+                        tracer = m.group('t')
+                        testrun.setTracerType(tracer)
+                        continue
+                # post resume time line: did this test run include post-resume data
+                m = re.match(sysvals.postresumefmt, line)
+                if(m):
+                        t = int(m.group('t'))
+                        if(t > 0):
+                                sysvals.postresumetime = t
+                        continue
+                # ftrace line: parse only valid lines
+                m = re.match(testrun.ftrace_line_fmt, line)
+                if(not m):
+                        continue
+                # gather the basic message data from the line
+                m_time = m.group('time')
+                m_pid = m.group('pid')
+                m_msg = m.group('msg')
+                if(testrun.cgformat):
+                        m_param3 = m.group('dur')
+                else:
+                        m_param3 = 'traceevent'
+                if(m_time and m_pid and m_msg):
+                        t = FTraceLine(m_time, m_msg, m_param3)
+                        pid = int(m_pid)
+                else:
+                        continue
+                # the line should be a call, return, or event
+                if(not t.fcall and not t.freturn and not t.fevent):
+                        continue
+                # only parse the ftrace data during suspend/resume
+                if(not testrun.inthepipe):
+                        # look for the suspend start marker
+                        if(t.fevent):
+                                if(t.name == 'SUSPEND START'):
+                                        testrun.inthepipe = True
+                                        data.setStart(t.time)
+                        continue
+                # trace event processing
+                if(t.fevent):
+                        if(t.name == 'RESUME COMPLETE'):
+                                if(sysvals.postresumetime > 0):
+                                        phase = 'post_resume'
+                                        data.newPhase(phase, t.time, t.time, '#FF9966', -1)
+                                else:
+                                        testrun.inthepipe = False
+                                data.setEnd(t.time)
+                                continue
+                        if(phase == 'post_resume'):
+                                data.setEnd(t.time)
+                        if(t.type == 'suspend_resume'):
+                                # suspend_resume trace events have two types, begin and end
+                                if(re.match('(?P<name>.*) begin$', t.name)):
+                                        isbegin = True
+                                elif(re.match('(?P<name>.*) end$', t.name)):
+                                        isbegin = False
+                                else:
+                                        continue
+                                m = re.match('(?P<name>.*)\[(?P<val>[0-9]*)\] .*', t.name)
+                                if(m):
+                                        val = m.group('val')
+                                        if val == '0':
+                                                name = m.group('name')
+                                        else:
+                                                name = m.group('name')+'['+val+']'
+                                else:
+                                        m = re.match('(?P<name>.*) .*', t.name)
+                                        name = m.group('name')
+                                # ignore these events
+                                if(re.match('acpi_suspend\[.*', t.name) or
+                                        re.match('suspend_enter\[.*', name)):
+                                        continue
+                                # -- phase changes --
+                                # suspend_prepare start
+                                if(re.match('dpm_prepare\[.*', t.name)):
+                                        phase = 'suspend_prepare'
+                                        if(not isbegin):
+                                                data.dmesg[phase]['end'] = t.time
+                                        continue
+                                # suspend start
+                                elif(re.match('dpm_suspend\[.*', t.name)):
+                                        phase = 'suspend'
+                                        data.setPhase(phase, t.time, isbegin)
+                                        continue
+                                # suspend_late start
+                                elif(re.match('dpm_suspend_late\[.*', t.name)):
+                                        phase = 'suspend_late'
+                                        data.setPhase(phase, t.time, isbegin)
+                                        continue
+                                # suspend_noirq start
+                                elif(re.match('dpm_suspend_noirq\[.*', t.name)):
+                                        phase = 'suspend_noirq'
+                                        data.setPhase(phase, t.time, isbegin)
+                                        if(not isbegin):
+                                                phase = 'suspend_machine'
+                                                data.dmesg[phase]['start'] = t.time
+                                        continue
+                                # suspend_machine/resume_machine
+                                elif(re.match('machine_suspend\[.*', t.name)):
+                                        if(isbegin):
+                                                phase = 'suspend_machine'
+                                                data.dmesg[phase]['end'] = t.time
+                                                data.tSuspended = t.time
+                                        else:
+                                                if(sysvals.suspendmode in ['mem', 'disk']):
+                                                        data.dmesg['suspend_machine']['end'] = t.time
+                                                        data.tSuspended = t.time
+                                                phase = 'resume_machine'
+                                                data.dmesg[phase]['start'] = t.time
+                                                data.tResumed = t.time
+                                                data.tLow = data.tResumed - data.tSuspended
+                                        continue
+                                # resume_noirq start
+                                elif(re.match('dpm_resume_noirq\[.*', t.name)):
+                                        phase = 'resume_noirq'
+                                        data.setPhase(phase, t.time, isbegin)
+                                        if(isbegin):
+                                                data.dmesg['resume_machine']['end'] = t.time
+                                        continue
+                                # resume_early start
+                                elif(re.match('dpm_resume_early\[.*', t.name)):
+                                        phase = 'resume_early'
+                                        data.setPhase(phase, t.time, isbegin)
+                                        continue
+                                # resume start
+                                elif(re.match('dpm_resume\[.*', t.name)):
+                                        phase = 'resume'
+                                        data.setPhase(phase, t.time, isbegin)
+                                        continue
+                                # resume complete start
+                                elif(re.match('dpm_complete\[.*', t.name)):
+                                        phase = 'resume_complete'
+                                        if(isbegin):
+                                                data.dmesg[phase]['start'] = t.time
+                                        continue
+
+                                # is this trace event outside of the devices calls
+                                if(data.isTraceEventOutsideDeviceCalls(pid, t.time)):
+                                        # global events (outside device calls) are simply graphed
+                                        if(name not in testrun.ttemp):
+                                                testrun.ttemp[name] = []
+                                        if(isbegin):
+                                                # create a new list entry
+                                                testrun.ttemp[name].append(\
+                                                        {'begin': t.time, 'end': t.time})
+                                        else:
+                                                if(len(testrun.ttemp[name]) > 0):
+                                                        # if an antry exists, assume this is its end
+                                                        testrun.ttemp[name][-1]['end'] = t.time
+                                                elif(phase == 'post_resume'):
+                                                        # post resume events can just have ends
+                                                        testrun.ttemp[name].append({
+                                                                'begin': data.dmesg[phase]['start'],
+                                                                'end': t.time})
+                                else:
+                                        if(isbegin):
+                                                data.addIntraDevTraceEvent('', name, pid, t.time)
+                                        else:
+                                                data.capIntraDevTraceEvent('', name, pid, t.time)
+                        # device callback start
+                        elif(t.type == 'device_pm_callback_start'):
+                                m = re.match('(?P<drv>.*) (?P<d>.*), parent: *(?P<p>.*), .*',\
+                                        t.name);
+                                if(not m):
+                                        continue
+                                drv = m.group('drv')
+                                n = m.group('d')
+                                p = m.group('p')
+                                if(n and p):
+                                        data.newAction(phase, n, pid, p, t.time, -1, drv)
+                        # device callback finish
+                        elif(t.type == 'device_pm_callback_end'):
+                                m = re.match('(?P<drv>.*) (?P<d>.*), err.*', t.name);
+                                if(not m):
+                                        continue
+                                n = m.group('d')
+                                list = data.dmesg[phase]['list']
+                                if(n in list):
+                                        dev = list[n]
+                                        dev['length'] = t.time - dev['start']
+                                        dev['end'] = t.time
+                # callgraph processing
+                elif sysvals.usecallgraph:
+                        # this shouldn't happen, but JIC, ignore callgraph data post-res
+                        if(phase == 'post_resume'):
                                 continue
                         # create a callgraph object for the data
-                        if(pid not in ftemp):
-                                ftemp[pid] = FTraceCallGraph()
+                        if(pid not in testrun.ftemp):
+                                testrun.ftemp[pid] = []
+                                testrun.ftemp[pid].append(FTraceCallGraph())
                         # when the call is finished, see which device matches it
-                        if(ftemp[pid].addLine(t, m)):
-                                if(not ftemp[pid].sanityCheck()):
-                                        id = "task %s cpu %s" % (pid, m.group("cpu"))
-                                        data.vprint("Sanity check failed for "+id+", ignoring this callback")
+                        cg = testrun.ftemp[pid][-1]
+                        if(cg.addLine(t, m)):
+                                testrun.ftemp[pid].append(FTraceCallGraph())
+        tf.close()
+
+        for test in testruns:
+                # add the traceevent data to the device hierarchy
+                if(sysvals.usetraceevents):
+                        for name in test.ttemp:
+                                for event in test.ttemp[name]:
+                                        begin = event['begin']
+                                        end = event['end']
+                                        # if event starts before timeline start, expand timeline
+                                        if(begin < test.data.start):
+                                                test.data.setStart(begin)
+                                        # if event ends after timeline end, expand the timeline
+                                        if(end > test.data.end):
+                                                test.data.setEnd(end)
+                                        test.data.newActionGlobal(name, begin, end)
+
+                # add the callgraph data to the device hierarchy
+                borderphase = {
+                        'dpm_prepare': 'suspend_prepare',
+                        'dpm_complete': 'resume_complete'
+                }
+                for pid in test.ftemp:
+                        for cg in test.ftemp[pid]:
+                                if len(cg.list) < 2:
+                                        continue
+                                if(not cg.sanityCheck()):
+                                        id = 'task %s cpu %s' % (pid, m.group('cpu'))
+                                        vprint('Sanity check failed for '+\
+                                                id+', ignoring this callback')
+                                        continue
+                                callstart = cg.start
+                                callend = cg.end
+                                if(cg.list[0].name in borderphase):
+                                        p = borderphase[cg.list[0].name]
+                                        list = test.data.dmesg[p]['list']
+                                        for devname in list:
+                                                dev = list[devname]
+                                                if(pid == dev['pid'] and
+                                                        callstart <= dev['start'] and
+                                                        callend >= dev['end']):
+                                                        dev['ftrace'] = cg.slice(dev['start'], dev['end'])
                                         continue
-                                callstart = ftemp[pid].start
-                                callend = ftemp[pid].end
-                                for p in data.phases:
-                                        if(data.dmesg[p]['start'] <= callstart and callstart <= data.dmesg[p]['end']):
-                                                list = data.dmesg[p]['list']
+                                if(cg.list[0].name != 'dpm_run_callback'):
+                                        continue
+                                for p in test.data.phases:
+                                        if(test.data.dmesg[p]['start'] <= callstart and
+                                                callstart <= test.data.dmesg[p]['end']):
+                                                list = test.data.dmesg[p]['list']
                                                 for devname in list:
                                                         dev = list[devname]
-                                                        if(pid == dev['pid'] and callstart <= dev['start'] and callend >= dev['end']):
-                                                                data.vprint("%15s [%f - %f] %s(%d)" % (p, callstart, callend, devname, pid))
-                                                                dev['ftrace'] = ftemp[pid]
+                                                        if(pid == dev['pid'] and
+                                                                callstart <= dev['start'] and
+                                                                callend >= dev['end']):
+                                                                dev['ftrace'] = cg
                                                 break
-                                ftemp[pid] = FTraceCallGraph()
-        tf.close()
 
-# Function: sortKernelLog
+        # fill in any missing phases
+        for data in testdata:
+                lp = data.phases[0]
+                for p in data.phases:
+                        if(data.dmesg[p]['start'] < 0 and data.dmesg[p]['end'] < 0):
+                                print('WARNING: phase "%s" is missing!' % p)
+                        if(data.dmesg[p]['start'] < 0):
+                                data.dmesg[p]['start'] = data.dmesg[lp]['end']
+                                if(p == 'resume_machine'):
+                                        data.tSuspended = data.dmesg[lp]['end']
+                                        data.tResumed = data.dmesg[lp]['end']
+                                        data.tLow = 0
+                        if(data.dmesg[p]['end'] < 0):
+                                data.dmesg[p]['end'] = data.dmesg[p]['start']
+                        lp = p
+
+                if(len(sysvals.devicefilter) > 0):
+                        data.deviceFilter(sysvals.devicefilter)
+                data.fixupInitcallsThatDidntReturn()
+                if(sysvals.verbose):
+                        data.printDetails()
+
+        # add the time in between the tests as a new phase so we can see it
+        if(len(testdata) > 1):
+                t1e = testdata[0].getEnd()
+                t2s = testdata[-1].getStart()
+                testdata[-1].newPhaseWithSingleAction('user mode', \
+                        'user mode', t1e, t2s, '#FF9966')
+        return testdata
+
+# Function: loadKernelLog
 # Description:
-#        The dmesg output log sometimes comes with with lines that have
-#        timestamps out of order. This could cause issues since a call
-#        could accidentally end up in the wrong phase
-def sortKernelLog():
-        global sysvals, data
+#        [deprecated for kernel 3.15.0 or newer]
+#        load the dmesg file into memory and fix up any ordering issues
+#        The dmesg filename is taken from sysvals
+# Output:
+#        An array of empty Data objects with only their dmesgtext attributes set
+def loadKernelLog():
+        global sysvals
+
+        vprint('Analyzing the dmesg data...')
+        if(os.path.exists(sysvals.dmesgfile) == False):
+                doError('%s doesnt exist' % sysvals.dmesgfile, False)
+
+        # there can be multiple test runs in a single file delineated by stamps
+        testruns = []
+        data = 0
         lf = open(sysvals.dmesgfile, 'r')
-        dmesglist = []
-        count = 0
         for line in lf:
-                line = line.replace("\r\n", "")
-                if(count == 0):
-                        parseStamp(line)
-                elif(count == 1):
-                        m = re.match(r"# fwsuspend (?P<s>[0-9]*) fwresume (?P<r>[0-9]*)$", line)
-                        if(m):
-                                data.fwSuspend = int(m.group("s"))
-                                data.fwResume = int(m.group("r"))
-                                if(data.fwSuspend > 0 or data.fwResume > 0):
-                                        data.fwValid = True
-                if(re.match(r".*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)", line)):
-                        dmesglist.append(line)
-                count += 1
+                line = line.replace('\r\n', '')
+                idx = line.find('[')
+                if idx > 1:
+                        line = line[idx:]
+                m = re.match(sysvals.stampfmt, line)
+                if(m):
+                        if(data):
+                                testruns.append(data)
+                        data = Data(len(testruns))
+                        parseStamp(m, data)
+                        continue
+                if(not data):
+                        continue
+                m = re.match(sysvals.firmwarefmt, line)
+                if(m):
+                        data.fwSuspend = int(m.group('s'))
+                        data.fwResume = int(m.group('r'))
+                        if(data.fwSuspend > 0 or data.fwResume > 0):
+                                data.fwValid = True
+                        continue
+                m = re.match('[ \t]*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)', line)
+                if(m):
+                        data.dmesgtext.append(line)
+                        if(re.match('ACPI: resume from mwait', m.group('msg'))):
+                                print('NOTE: This suspend appears to be freeze rather than'+\
+                                        ' %s, it will be treated as such' % sysvals.suspendmode)
+                                sysvals.suspendmode = 'freeze'
+                else:
+                        vprint('ignoring dmesg line: %s' % line.replace('\n', ''))
+        testruns.append(data)
         lf.close()
-        last = ""
-
-        # fix lines with the same time stamp and function with the call and return swapped
-        for line in dmesglist:
-                mc = re.match(r".*(\[ *)(?P<t>[0-9\.]*)(\]) calling  (?P<f>.*)\+ @ .*, parent: .*", line)
-                mr = re.match(r".*(\[ *)(?P<t>[0-9\.]*)(\]) call (?P<f>.*)\+ returned .* after (?P<dt>.*) usecs", last)
-                if(mc and mr and (mc.group("t") == mr.group("t")) and (mc.group("f") == mr.group("f"))):
-                        i = dmesglist.index(last)
-                        j = dmesglist.index(line)
-                        dmesglist[i] = line
-                        dmesglist[j] = last
-                last = line
-        return dmesglist
-
-# Function: analyzeKernelLog
+
+        if(not data):
+                print('ERROR: analyze_suspend header missing from dmesg log')
+                sys.exit()
+
+        # fix lines with same timestamp/function with the call and return swapped
+        for data in testruns:
+                last = ''
+                for line in data.dmesgtext:
+                        mc = re.match('.*(\[ *)(?P<t>[0-9\.]*)(\]) calling  '+\
+                                '(?P<f>.*)\+ @ .*, parent: .*', line)
+                        mr = re.match('.*(\[ *)(?P<t>[0-9\.]*)(\]) call '+\
+                                '(?P<f>.*)\+ returned .* after (?P<dt>.*) usecs', last)
+                        if(mc and mr and (mc.group('t') == mr.group('t')) and
+                                (mc.group('f') == mr.group('f'))):
+                                i = data.dmesgtext.index(last)
+                                j = data.dmesgtext.index(line)
+                                data.dmesgtext[i] = line
+                                data.dmesgtext[j] = last
+                        last = line
+        return testruns
+
+# Function: parseKernelLog
 # Description:
+#        [deprecated for kernel 3.15.0 or newer]
 #        Analyse a dmesg log output file generated from this app during
 #        the execution phase. Create a set of device structures in memory
 #        for subsequent formatting in the html output file
-def analyzeKernelLog():
-        global sysvals, data
+#        This call is only for legacy support on kernels where the ftrace
+#        data lacks the suspend_resume or device_pm_callbacks trace events.
+# Arguments:
+#        data: an empty Data object (with dmesgtext) obtained from loadKernelLog
+# Output:
+#        The filled Data object
+def parseKernelLog(data):
+        global sysvals
 
-        print("PROCESSING DATA")
-        data.vprint("Analyzing the dmesg data...")
-        if(os.path.exists(sysvals.dmesgfile) == False):
-                print("ERROR: %s doesn't exist") % sysvals.dmesgfile
-                return False
+        phase = 'suspend_runtime'
 
-        lf = sortKernelLog()
-        phase = "suspend_runtime"
+        if(data.fwValid):
+                vprint('Firmware Suspend = %u ns, Firmware Resume = %u ns' % \
+                        (data.fwSuspend, data.fwResume))
 
+        # dmesg phase match table
         dm = {
-                'suspend_general': r"PM: Syncing filesystems.*",
-                  'suspend_early': r"PM: suspend of devices complete after.*",
-                  'suspend_noirq': r"PM: late suspend of devices complete after.*",
-                    'suspend_cpu': r"PM: noirq suspend of devices complete after.*",
-                     'resume_cpu': r"ACPI: Low-level resume complete.*",
-                   'resume_noirq': r"ACPI: Waking up from system sleep state.*",
-                   'resume_early': r"PM: noirq resume of devices complete after.*",
-                 'resume_general': r"PM: early resume of devices complete after.*",
-                'resume_complete': r".*Restarting tasks \.\.\..*",
+                'suspend_prepare': 'PM: Syncing filesystems.*',
+                        'suspend': 'PM: Entering [a-z]* sleep.*',
+                   'suspend_late': 'PM: suspend of devices complete after.*',
+                  'suspend_noirq': 'PM: late suspend of devices complete after.*',
+                'suspend_machine': 'PM: noirq suspend of devices complete after.*',
+                 'resume_machine': 'ACPI: Low-level resume complete.*',
+                   'resume_noirq': 'ACPI: Waking up from system sleep state.*',
+                   'resume_early': 'PM: noirq resume of devices complete after.*',
+                         'resume': 'PM: early resume of devices complete after.*',
+                'resume_complete': 'PM: resume of devices complete after.*',
+                    'post_resume': '.*Restarting tasks \.\.\..*',
         }
-        if(sysvals.suspendmode == "standby"):
-                dm['resume_cpu'] = r"PM: Restoring platform NVS memory"
-        elif(sysvals.suspendmode == "disk"):
-                dm['suspend_early'] = r"PM: freeze of devices complete after.*"
-                dm['suspend_noirq'] = r"PM: late freeze of devices complete after.*"
-                dm['suspend_cpu'] = r"PM: noirq freeze of devices complete after.*"
-                dm['resume_cpu'] = r"PM: Restoring platform NVS memory"
-                dm['resume_early'] = r"PM: noirq restore of devices complete after.*"
-                dm['resume_general'] = r"PM: early restore of devices complete after.*"
-
-        action_start = 0.0
-        for line in lf:
+        if(sysvals.suspendmode == 'standby'):
+                dm['resume_machine'] = 'PM: Restoring platform NVS memory'
+        elif(sysvals.suspendmode == 'disk'):
+                dm['suspend_late'] = 'PM: freeze of devices complete after.*'
+                dm['suspend_noirq'] = 'PM: late freeze of devices complete after.*'
+                dm['suspend_machine'] = 'PM: noirq freeze of devices complete after.*'
+                dm['resume_machine'] = 'PM: Restoring platform NVS memory'
+                dm['resume_early'] = 'PM: noirq restore of devices complete after.*'
+                dm['resume'] = 'PM: early restore of devices complete after.*'
+                dm['resume_complete'] = 'PM: restore of devices complete after.*'
+        elif(sysvals.suspendmode == 'freeze'):
+                dm['resume_machine'] = 'ACPI: resume from mwait'
+
+        # action table (expected events that occur and show up in dmesg)
+        at = {
+                'sync_filesystems': {
+                        'smsg': 'PM: Syncing filesystems.*',
+                        'emsg': 'PM: Preparing system for mem sleep.*' },
+                'freeze_user_processes': {
+                        'smsg': 'Freezing user space processes .*',
+                        'emsg': 'Freezing remaining freezable tasks.*' },
+                'freeze_tasks': {
+                        'smsg': 'Freezing remaining freezable tasks.*',
+                        'emsg': 'PM: Entering (?P<mode>[a-z,A-Z]*) sleep.*' },
+                'ACPI prepare': {
+                        'smsg': 'ACPI: Preparing to enter system sleep state.*',
+                        'emsg': 'PM: Saving platform NVS memory.*' },
+                'PM vns': {
+                        'smsg': 'PM: Saving platform NVS memory.*',
+                        'emsg': 'Disabling non-boot CPUs .*' },
+        }
+
+        t0 = -1.0
+        cpu_start = -1.0
+        prevktime = -1.0
+        actions = dict()
+        for line in data.dmesgtext:
                 # -- preprocessing --
                 # parse each dmesg line into the time and message
-                m = re.match(r".*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)", line)
+                m = re.match('[ \t]*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)', line)
                 if(m):
-                        ktime = float(m.group("ktime"))
-                        msg = m.group("msg")
+                        val = m.group('ktime')
+                        try:
+                                ktime = float(val)
+                        except:
+                                doWarning('INVALID DMESG LINE: '+\
+                                        line.replace('\n', ''), 'dmesg')
+                                continue
+                        msg = m.group('msg')
+                        # initialize data start to first line time
+                        if t0 < 0:
+                                data.setStart(ktime)
+                                t0 = ktime
                 else:
-                        print line
                         continue
 
+                # hack for determining resume_machine end for freeze
+                if(not sysvals.usetraceevents and sysvals.suspendmode == 'freeze' \
+                        and phase == 'resume_machine' and \
+                        re.match('calling  (?P<f>.*)\+ @ .*, parent: .*', msg)):
+                        data.dmesg['resume_machine']['end'] = ktime
+                        phase = 'resume_noirq'
+                        data.dmesg[phase]['start'] = ktime
+
                 # -- phase changes --
-                # suspend_general start
-                if(re.match(dm['suspend_general'], msg)):
-                        phase = "suspend_general"
+                # suspend start
+                if(re.match(dm['suspend_prepare'], msg)):
+                        phase = 'suspend_prepare'
+                        data.dmesg[phase]['start'] = ktime
+                        data.setStart(ktime)
+                # suspend start
+                elif(re.match(dm['suspend'], msg)):
+                        data.dmesg['suspend_prepare']['end'] = ktime
+                        phase = 'suspend'
                         data.dmesg[phase]['start'] = ktime
-                        data.start = ktime
-                        # action start: syncing filesystems
-                        action_start = ktime
-                # suspend_early start
-                elif(re.match(dm['suspend_early'], msg)):
-                        data.dmesg["suspend_general"]['end'] = ktime
-                        phase = "suspend_early"
+                # suspend_late start
+                elif(re.match(dm['suspend_late'], msg)):
+                        data.dmesg['suspend']['end'] = ktime
+                        phase = 'suspend_late'
                         data.dmesg[phase]['start'] = ktime
                 # suspend_noirq start
                 elif(re.match(dm['suspend_noirq'], msg)):
-                        data.dmesg["suspend_early"]['end'] = ktime
-                        phase = "suspend_noirq"
+                        data.dmesg['suspend_late']['end'] = ktime
+                        phase = 'suspend_noirq'
                         data.dmesg[phase]['start'] = ktime
-                # suspend_cpu start
-                elif(re.match(dm['suspend_cpu'], msg)):
-                        data.dmesg["suspend_noirq"]['end'] = ktime
-                        phase = "suspend_cpu"
+                # suspend_machine start
+                elif(re.match(dm['suspend_machine'], msg)):
+                        data.dmesg['suspend_noirq']['end'] = ktime
+                        phase = 'suspend_machine'
                         data.dmesg[phase]['start'] = ktime
-                # resume_cpu start
-                elif(re.match(dm['resume_cpu'], msg)):
-                        data.tSuspended = ktime
-                        data.dmesg["suspend_cpu"]['end'] = ktime
-                        phase = "resume_cpu"
+                # resume_machine start
+                elif(re.match(dm['resume_machine'], msg)):
+                        if(sysvals.suspendmode in ['freeze', 'standby']):
+                                data.tSuspended = prevktime
+                                data.dmesg['suspend_machine']['end'] = prevktime
+                        else:
+                                data.tSuspended = ktime
+                                data.dmesg['suspend_machine']['end'] = ktime
+                        phase = 'resume_machine'
+                        data.tResumed = ktime
+                        data.tLow = data.tResumed - data.tSuspended
                         data.dmesg[phase]['start'] = ktime
                 # resume_noirq start
                 elif(re.match(dm['resume_noirq'], msg)):
-                        data.dmesg["resume_cpu"]['end'] = ktime
-                        phase = "resume_noirq"
+                        data.dmesg['resume_machine']['end'] = ktime
+                        phase = 'resume_noirq'
                         data.dmesg[phase]['start'] = ktime
-                        # action end: ACPI resume
-                        data.newAction("resume_cpu", "ACPI", -1, "", action_start, ktime)
                 # resume_early start
                 elif(re.match(dm['resume_early'], msg)):
-                        data.dmesg["resume_noirq"]['end'] = ktime
-                        phase = "resume_early"
+                        data.dmesg['resume_noirq']['end'] = ktime
+                        phase = 'resume_early'
                         data.dmesg[phase]['start'] = ktime
-                # resume_general start
-                elif(re.match(dm['resume_general'], msg)):
-                        data.dmesg["resume_early"]['end'] = ktime
-                        phase = "resume_general"
+                # resume start
+                elif(re.match(dm['resume'], msg)):
+                        data.dmesg['resume_early']['end'] = ktime
+                        phase = 'resume'
                         data.dmesg[phase]['start'] = ktime
                 # resume complete start
                 elif(re.match(dm['resume_complete'], msg)):
-                        data.dmesg["resume_general"]['end'] = ktime
-                        data.end = ktime
-                        phase = "resume_runtime"
+                        data.dmesg['resume']['end'] = ktime
+                        phase = 'resume_complete'
+                        data.dmesg[phase]['start'] = ktime
+                # post resume start
+                elif(re.match(dm['post_resume'], msg)):
+                        data.dmesg['resume_complete']['end'] = ktime
+                        data.setEnd(ktime)
+                        phase = 'post_resume'
                         break
 
                 # -- device callbacks --
                 if(phase in data.phases):
                         # device init call
-                        if(re.match(r"calling  (?P<f>.*)\+ @ .*, parent: .*", msg)):
-                                sm = re.match(r"calling  (?P<f>.*)\+ @ (?P<n>.*), parent: (?P<p>.*)", msg);
-                                f = sm.group("f")
-                                n = sm.group("n")
-                                p = sm.group("p")
+                        if(re.match('calling  (?P<f>.*)\+ @ .*, parent: .*', msg)):
+                                sm = re.match('calling  (?P<f>.*)\+ @ '+\
+                                        '(?P<n>.*), parent: (?P<p>.*)', msg);
+                                f = sm.group('f')
+                                n = sm.group('n')
+                                p = sm.group('p')
                                 if(f and n and p):
-                                        data.newAction(phase, f, int(n), p, ktime, -1)
+                                        data.newAction(phase, f, int(n), p, ktime, -1, '')
                         # device init return
-                        elif(re.match(r"call (?P<f>.*)\+ returned .* after (?P<t>.*) usecs", msg)):
-                                sm = re.match(r"call (?P<f>.*)\+ returned .* after (?P<t>.*) usecs(?P<a>.*)", msg);
-                                f = sm.group("f")
-                                t = sm.group("t")
+                        elif(re.match('call (?P<f>.*)\+ returned .* after '+\
+                                '(?P<t>.*) usecs', msg)):
+                                sm = re.match('call (?P<f>.*)\+ returned .* after '+\
+                                        '(?P<t>.*) usecs(?P<a>.*)', msg);
+                                f = sm.group('f')
+                                t = sm.group('t')
                                 list = data.dmesg[phase]['list']
                                 if(f in list):
                                         dev = list[f]
                                         dev['length'] = int(t)
                                         dev['end'] = ktime
-                                        data.vprint("%15s [%f - %f] %s(%d) %s" %
-                                                (phase, dev['start'], dev['end'], f, dev['pid'], dev['par']))
-
-                # -- phase specific actions --
-                if(phase == "suspend_general"):
-                        if(re.match(r"PM: Preparing system for mem sleep.*", msg)):
-                                data.newAction(phase, "filesystem-sync", -1, "", action_start, ktime)
-                        elif(re.match(r"Freezing user space processes .*", msg)):
-                                action_start = ktime
-                        elif(re.match(r"Freezing remaining freezable tasks.*", msg)):
-                                data.newAction(phase, "freeze-user-processes", -1, "", action_start, ktime)
-                                action_start = ktime
-                        elif(re.match(r"PM: Entering (?P<mode>[a-z,A-Z]*) sleep.*", msg)):
-                                data.newAction(phase, "freeze-tasks", -1, "", action_start, ktime)
-                elif(phase == "suspend_cpu"):
-                        m = re.match(r"smpboot: CPU (?P<cpu>[0-9]*) is now offline", msg)
-                        if(m):
-                                cpu = "CPU"+m.group("cpu")
-                                data.newAction(phase, cpu, -1, "", action_start, ktime)
-                                action_start = ktime
-                        elif(re.match(r"ACPI: Preparing to enter system sleep state.*", msg)):
-                                action_start = ktime
-                        elif(re.match(r"Disabling non-boot CPUs .*", msg)):
-                                data.newAction(phase, "ACPI", -1, "", action_start, ktime)
-                                action_start = ktime
-                elif(phase == "resume_cpu"):
-                        m = re.match(r"CPU(?P<cpu>[0-9]*) is up", msg)
-                        if(m):
-                                cpu = "CPU"+m.group("cpu")
-                                data.newAction(phase, cpu, -1, "", action_start, ktime)
-                                action_start = ktime
-                        elif(re.match(r"Enabling non-boot CPUs .*", msg)):
-                                action_start = ktime
+
+                # -- non-devicecallback actions --
+                # if trace events are not available, these are better than nothing
+                if(not sysvals.usetraceevents):
+                        # look for known actions
+                        for a in at:
+                                if(re.match(at[a]['smsg'], msg)):
+                                        if(a not in actions):
+                                                actions[a] = []
+                                        actions[a].append({'begin': ktime, 'end': ktime})
+                                if(re.match(at[a]['emsg'], msg)):
+                                        actions[a][-1]['end'] = ktime
+                        # now look for CPU on/off events
+                        if(re.match('Disabling non-boot CPUs .*', msg)):
+                                # start of first cpu suspend
+                                cpu_start = ktime
+                        elif(re.match('Enabling non-boot CPUs .*', msg)):
+                                # start of first cpu resume
+                                cpu_start = ktime
+                        elif(re.match('smpboot: CPU (?P<cpu>[0-9]*) is now offline', msg)):
+                                # end of a cpu suspend, start of the next
+                                m = re.match('smpboot: CPU (?P<cpu>[0-9]*) is now offline', msg)
+                                cpu = 'CPU'+m.group('cpu')
+                                if(cpu not in actions):
+                                        actions[cpu] = []
+                                actions[cpu].append({'begin': cpu_start, 'end': ktime})
+                                cpu_start = ktime
+                        elif(re.match('CPU(?P<cpu>[0-9]*) is up', msg)):
+                                # end of a cpu resume, start of the next
+                                m = re.match('CPU(?P<cpu>[0-9]*) is up', msg)
+                                cpu = 'CPU'+m.group('cpu')
+                                if(cpu not in actions):
+                                        actions[cpu] = []
+                                actions[cpu].append({'begin': cpu_start, 'end': ktime})
+                                cpu_start = ktime
+                prevktime = ktime
 
         # fill in any missing phases
-        lp = "suspend_general"
+        lp = data.phases[0]
         for p in data.phases:
-                if(p == "suspend_general"):
-                        continue
+                if(data.dmesg[p]['start'] < 0 and data.dmesg[p]['end'] < 0):
+                        print('WARNING: phase "%s" is missing, something went wrong!' % p)
+                        print('    In %s, this dmesg line denotes the start of %s:' % \
+                                (sysvals.suspendmode, p))
+                        print('        "%s"' % dm[p])
                 if(data.dmesg[p]['start'] < 0):
                         data.dmesg[p]['start'] = data.dmesg[lp]['end']
-                        if(p == "resume_cpu"):
+                        if(p == 'resume_machine'):
                                 data.tSuspended = data.dmesg[lp]['end']
+                                data.tResumed = data.dmesg[lp]['end']
+                                data.tLow = 0
                 if(data.dmesg[p]['end'] < 0):
                         data.dmesg[p]['end'] = data.dmesg[p]['start']
                 lp = p
 
+        # fill in any actions we've found
+        for name in actions:
+                for event in actions[name]:
+                        begin = event['begin']
+                        end = event['end']
+                        # if event starts before timeline start, expand timeline
+                        if(begin < data.start):
+                                data.setStart(begin)
+                        # if event ends after timeline end, expand the timeline
+                        if(end > data.end):
+                                data.setEnd(end)
+                        data.newActionGlobal(name, begin, end)
+
+        if(sysvals.verbose):
+                data.printDetails()
+        if(len(sysvals.devicefilter) > 0):
+                data.deviceFilter(sysvals.devicefilter)
         data.fixupInitcallsThatDidntReturn()
         return True
 
 # Function: setTimelineRows
 # Description:
-#        Organize the device or thread lists into the smallest
+#        Organize the timeline entries into the smallest
 #        number of rows possible, with no entry overlapping
 # Arguments:
-#        list: the list to sort (dmesg or ftrace)
-#        sortedkeys: sorted key list to use
+#        list: the list of devices/actions for a single phase
+#        sortedkeys: cronologically sorted key list to use
+# Output:
+#        The total number of rows needed to display this phase of the timeline
 def setTimelineRows(list, sortedkeys):
-        global data
 
         # clear all rows and set them to undefined
         remaining = len(list)
@@ -791,7 +1959,8 @@ def setTimelineRows(list, sortedkeys):
                                 for ritem in rowdata[row]:
                                         rs = ritem['start']
                                         re = ritem['end']
-                                        if(not (((s <= rs) and (e <= rs)) or ((s >= re) and (e >= re)))):
+                                        if(not (((s <= rs) and (e <= rs)) or
+                                                ((s >= re) and (e >= re)))):
                                                 valid = False
                                                 break
                                 if(valid):
@@ -803,14 +1972,15 @@ def setTimelineRows(list, sortedkeys):
 
 # Function: createTimeScale
 # Description:
-#        Create timescale lines for the dmesg and ftrace timelines
+#        Create the timescale header for the html timeline
 # Arguments:
 #        t0: start time (suspend begin)
 #        tMax: end time (resume end)
-#        tSuspend: time when suspend occurs
+#        tSuspend: time when suspend occurs, i.e. the zero time
+# Output:
+#        The html code needed to display the time scale
 def createTimeScale(t0, tMax, tSuspended):
-        global data
-        timescale = "<div class=\"t\" style=\"right:{0}%\">{1}</div>\n"
+        timescale = '<div class="t" style="right:{0}%">{1}</div>\n'
         output = '<div id="timescale">\n'
 
         # set scale for timeline
@@ -822,11 +1992,11 @@ def createTimeScale(t0, tMax, tSuspended):
                 tS = 1
         if(tSuspended < 0):
                 for i in range(int(tTotal/tS)+1):
-                        pos = "%0.3f" % (100 - ((float(i)*tS*100)/tTotal))
+                        pos = '%0.3f' % (100 - ((float(i)*tS*100)/tTotal))
                         if(i > 0):
-                                val = "%0.f" % (float(i)*tS*1000)
+                                val = '%0.fms' % (float(i)*tS*1000)
                         else:
-                                val = ""
+                                val = ''
                         output += timescale.format(pos, val)
         else:
                 tSuspend = tSuspended - t0
@@ -834,69 +2004,253 @@ def createTimeScale(t0, tMax, tSuspended):
                 divSuspend = int(tSuspend/tS)
                 s0 = (tSuspend - tS*divSuspend)*100/tTotal
                 for i in range(divTotal):
-                        pos = "%0.3f" % (100 - ((float(i)*tS*100)/tTotal) - s0)
+                        pos = '%0.3f' % (100 - ((float(i)*tS*100)/tTotal) - s0)
                         if((i == 0) and (s0 < 3)):
-                                val = ""
+                                val = ''
                         elif(i == divSuspend):
-                                val = "S/R"
+                                val = 'S/R'
                         else:
-                                val = "%0.f" % (float(i-divSuspend)*tS*1000)
+                                val = '%0.fms' % (float(i-divSuspend)*tS*1000)
                         output += timescale.format(pos, val)
         output += '</div>\n'
         return output
 
+# Function: createHTMLSummarySimple
+# Description:
+#        Create summary html file for a series of tests
+# Arguments:
+#        testruns: array of Data objects from parseTraceLog
+def createHTMLSummarySimple(testruns, htmlfile):
+        global sysvals
+
+        # print out the basic summary of all the tests
+        hf = open(htmlfile, 'w')
+
+        # write the html header first (html head, css code, up to body start)
+        html = '<!DOCTYPE html>\n<html>\n<head>\n\
+        <meta http-equiv="content-type" content="text/html; charset=UTF-8">\n\
+        <title>AnalyzeSuspend Summary</title>\n\
+        <style type=\'text/css\'>\n\
+                body {overflow-y: scroll;}\n\
+                .stamp {width: 100%;text-align:center;background-color:#495E09;line-height:30px;color:white;font: 25px Arial;}\n\
+                table {width:100%;border-collapse: collapse;}\n\
+                .summary {font: 22px Arial;border:1px solid;}\n\
+                th {border: 1px solid black;background-color:#A7C942;color:white;}\n\
+                td {text-align: center;}\n\
+                tr.alt td {background-color:#EAF2D3;}\n\
+                tr.avg td {background-color:#BDE34C;}\n\
+                a:link {color: #90B521;}\n\
+                a:visited {color: #495E09;}\n\
+                a:hover {color: #B1DF28;}\n\
+                a:active {color: #FFFFFF;}\n\
+        </style>\n</head>\n<body>\n'
+
+        # group test header
+        count = len(testruns)
+        headline_stamp = '<div class="stamp">{0} {1} {2} {3} ({4} tests)</div>\n'
+        html += headline_stamp.format(sysvals.stamp['host'],
+                sysvals.stamp['kernel'], sysvals.stamp['mode'],
+                sysvals.stamp['time'], count)
+
+        # check to see if all the tests have the same value
+        stampcolumns = False
+        for data in testruns:
+                if diffStamp(sysvals.stamp, data.stamp):
+                        stampcolumns = True
+                        break
+
+        th = '\t<th>{0}</th>\n'
+        td = '\t<td>{0}</td>\n'
+        tdlink = '\t<td><a href="{0}">Click Here</a></td>\n'
+
+        # table header
+        html += '<table class="summary">\n<tr>\n'
+        html += th.format("Test #")
+        if stampcolumns:
+                html += th.format("Hostname")
+                html += th.format("Kernel Version")
+                html += th.format("Suspend Mode")
+        html += th.format("Test Time")
+        html += th.format("Suspend Time")
+        html += th.format("Resume Time")
+        html += th.format("Detail")
+        html += '</tr>\n'
+
+        # test data, 1 row per test
+        sTimeAvg = 0.0
+        rTimeAvg = 0.0
+        num = 1
+        for data in testruns:
+                # data.end is the end of post_resume
+                resumeEnd = data.dmesg['resume_complete']['end']
+                if num % 2 == 1:
+                        html += '<tr class="alt">\n'
+                else:
+                        html += '<tr>\n'
+
+                # test num
+                html += td.format("test %d" % num)
+                num += 1
+                if stampcolumns:
+                        # host name
+                        val = "unknown"
+                        if('host' in data.stamp):
+                                val = data.stamp['host']
+                        html += td.format(val)
+                        # host kernel
+                        val = "unknown"
+                        if('kernel' in data.stamp):
+                                val = data.stamp['kernel']
+                        html += td.format(val)
+                        # suspend mode
+                        val = "unknown"
+                        if('mode' in data.stamp):
+                                val = data.stamp['mode']
+                        html += td.format(val)
+                # test time
+                val = "unknown"
+                if('time' in data.stamp):
+                        val = data.stamp['time']
+                html += td.format(val)
+                # suspend time
+                sTime = (data.tSuspended - data.start)*1000
+                sTimeAvg += sTime
+                html += td.format("%3.3f ms" % sTime)
+                # resume time
+                rTime = (resumeEnd - data.tResumed)*1000
+                rTimeAvg += rTime
+                html += td.format("%3.3f ms" % rTime)
+                # link to the output html
+                html += tdlink.format(data.outfile)
+
+                html += '</tr>\n'
+
+        # last line: test average
+        if(count > 0):
+                sTimeAvg /= count
+                rTimeAvg /= count
+        html += '<tr class="avg">\n'
+        html += td.format('Average')    # name
+        if stampcolumns:
+                html += td.format('')                   # host
+                html += td.format('')                   # kernel
+                html += td.format('')                   # mode
+        html += td.format('')                   # time
+        html += td.format("%3.3f ms" % sTimeAvg)        # suspend time
+        html += td.format("%3.3f ms" % rTimeAvg)        # resume time
+        html += td.format('')                   # output link
+        html += '</tr>\n'
+
+        # flush the data to file
+        hf.write(html+'</table>\n')
+        hf.write('</body>\n</html>\n')
+        hf.close()
+
 # Function: createHTML
 # Description:
-#        Create the output html file.
-def createHTML():
-        global sysvals, data
+#        Create the output html file from the resident test data
+# Arguments:
+#        testruns: array of Data objects from parseKernelLog or parseTraceLog
+# Output:
+#        True if the html file was created, false if it failed
+def createHTML(testruns):
+        global sysvals
 
-        data.normalizeTime()
+        for data in testruns:
+                data.normalizeTime(testruns[-1].tSuspended)
 
+        x2changes = ['', 'absolute']
+        if len(testruns) > 1:
+                x2changes = ['1', 'relative']
         # html function templates
         headline_stamp = '<div class="stamp">{0} {1} {2} {3}</div>\n'
-        html_zoombox = '<center><button id="zoomin">ZOOM IN</button><button id="zoomout">ZOOM OUT</button><button id="zoomdef">ZOOM 1:1</button></center>\n<div id="dmesgzoombox" class="zoombox">\n'
-        html_timeline = '<div id="{0}" class="timeline" style="height:{1}px">\n'
+        html_devlist1 = '<button id="devlist1" class="devlist" style="float:left;">Device Detail%s</button>' % x2changes[0]
+        html_zoombox = '<center><button id="zoomin">ZOOM IN</button><button id="zoomout">ZOOM OUT</button><button id="zoomdef">ZOOM 1:1</button></center>\n'
+        html_devlist2 = '<button id="devlist2" class="devlist" style="float:right;">Device Detail2</button>\n'
+        html_timeline = '<div id="dmesgzoombox" class="zoombox">\n<div id="{0}" class="timeline" style="height:{1}px">\n'
         html_device = '<div id="{0}" title="{1}" class="thread" style="left:{2}%;top:{3}%;height:{4}%;width:{5}%;">{6}</div>\n'
+        html_traceevent = '<div title="{0}" class="traceevent" style="left:{1}%;top:{2}%;height:{3}%;width:{4}%;border:1px solid {5};background-color:{5}">{6}</div>\n'
         html_phase = '<div class="phase" style="left:{0}%;width:{1}%;top:{2}%;height:{3}%;background-color:{4}">{5}</div>\n'
+        html_phaselet = '<div id="{0}" class="phaselet" style="left:{1}%;width:{2}%;background-color:{3}"></div>\n'
         html_legend = '<div class="square" style="left:{0}%;background-color:{1}">&nbsp;{2}</div>\n'
         html_timetotal = '<table class="time1">\n<tr>'\
-                '<td class="gray">{2} Suspend Time: <b>{0} ms</b></td>'\
-                '<td class="gray">{2} Resume Time: <b>{1} ms</b></td>'\
+                '<td class="green">{2} Suspend Time: <b>{0} ms</b></td>'\
+                '<td class="yellow">{2} Resume Time: <b>{1} ms</b></td>'\
+                '</tr>\n</table>\n'
+        html_timetotal2 = '<table class="time1">\n<tr>'\
+                '<td class="green">{3} Suspend Time: <b>{0} ms</b></td>'\
+                '<td class="gray">'+sysvals.suspendmode+' time: <b>{1} ms</b></td>'\
+                '<td class="yellow">{3} Resume Time: <b>{2} ms</b></td>'\
                 '</tr>\n</table>\n'
         html_timegroups = '<table class="time2">\n<tr>'\
-                '<td class="green">Kernel Suspend: {0} ms</td>'\
-                '<td class="purple">Firmware Suspend: {1} ms</td>'\
-                '<td class="purple">Firmware Resume: {2} ms</td>'\
-                '<td class="yellow">Kernel Resume: {3} ms</td>'\
+                '<td class="green">{4}Kernel Suspend: {0} ms</td>'\
+                '<td class="purple">{4}Firmware Suspend: {1} ms</td>'\
+                '<td class="purple">{4}Firmware Resume: {2} ms</td>'\
+                '<td class="yellow">{4}Kernel Resume: {3} ms</td>'\
                 '</tr>\n</table>\n'
 
-        # device timeline (dmesg)
-        if(data.usedmesg):
-                data.vprint("Creating Device Timeline...")
-                devtl = Timeline()
+        # device timeline
+        vprint('Creating Device Timeline...')
+        devtl = Timeline()
 
-                # Generate the header for this timeline
-                t0 = data.start
-                tMax = data.end
-                tTotal = tMax - t0
+        # Generate the header for this timeline
+        textnum = ['First', 'Second']
+        for data in testruns:
+                tTotal = data.end - data.start
+                tEnd = data.dmesg['resume_complete']['end']
                 if(tTotal == 0):
-                        print("ERROR: No timeline data")
+                        print('ERROR: No timeline data')
                         sys.exit()
-                suspend_time = "%.0f"%(-data.start*1000)
-                resume_time = "%.0f"%(data.end*1000)
+                if(data.tLow > 0):
+                        low_time = '%.0f'%(data.tLow*1000)
                 if data.fwValid:
-                        devtl.html['timeline'] = html_timetotal.format(suspend_time, resume_time, "Total")
-                        sktime = "%.3f"%((data.dmesg['suspend_cpu']['end'] - data.dmesg['suspend_general']['start'])*1000)
-                        sftime = "%.3f"%(data.fwSuspend / 1000000.0)
-                        rftime = "%.3f"%(data.fwResume / 1000000.0)
-                        rktime = "%.3f"%((data.dmesg['resume_general']['end'] - data.dmesg['resume_cpu']['start'])*1000)
-                        devtl.html['timeline'] += html_timegroups.format(sktime, sftime, rftime, rktime)
+                        suspend_time = '%.0f'%((data.tSuspended-data.start)*1000 + \
+                                (data.fwSuspend/1000000.0))
+                        resume_time = '%.0f'%((tEnd-data.tSuspended)*1000 + \
+                                (data.fwResume/1000000.0))
+                        testdesc1 = 'Total'
+                        testdesc2 = ''
+                        if(len(testruns) > 1):
+                                testdesc1 = testdesc2 = textnum[data.testnumber]
+                                testdesc2 += ' '
+                        if(data.tLow == 0):
+                                thtml = html_timetotal.format(suspend_time, \
+                                        resume_time, testdesc1)
+                        else:
+                                thtml = html_timetotal2.format(suspend_time, low_time, \
+                                        resume_time, testdesc1)
+                        devtl.html['timeline'] += thtml
+                        sktime = '%.3f'%((data.dmesg['suspend_machine']['end'] - \
+                                data.getStart())*1000)
+                        sftime = '%.3f'%(data.fwSuspend / 1000000.0)
+                        rftime = '%.3f'%(data.fwResume / 1000000.0)
+                        rktime = '%.3f'%((data.getEnd() - \
+                                data.dmesg['resume_machine']['start'])*1000)
+                        devtl.html['timeline'] += html_timegroups.format(sktime, \
+                                sftime, rftime, rktime, testdesc2)
                 else:
-                        devtl.html['timeline'] = html_timetotal.format(suspend_time, resume_time, "Kernel")
+                        suspend_time = '%.0f'%((data.tSuspended-data.start)*1000)
+                        resume_time = '%.0f'%((tEnd-data.tSuspended)*1000)
+                        testdesc = 'Kernel'
+                        if(len(testruns) > 1):
+                                testdesc = textnum[data.testnumber]+' '+testdesc
+                        if(data.tLow == 0):
+                                thtml = html_timetotal.format(suspend_time, \
+                                        resume_time, testdesc)
+                        else:
+                                thtml = html_timetotal2.format(suspend_time, low_time, \
+                                        resume_time, testdesc)
+                        devtl.html['timeline'] += thtml
+
+        # time scale for potentially multiple datasets
+        t0 = testruns[0].start
+        tMax = testruns[-1].end
+        tSuspended = testruns[-1].tSuspended
+        tTotal = tMax - t0
 
-                # determine the maximum number of rows we need to draw
-                timelinerows = 0
+        # determine the maximum number of rows we need to draw
+        timelinerows = 0
+        for data in testruns:
                 for phase in data.dmesg:
                         list = data.dmesg[phase]['list']
                         rows = setTimelineRows(list, list)
@@ -904,62 +2258,104 @@ def createHTML():
                         if(rows > timelinerows):
                                 timelinerows = rows
 
-                # calculate the timeline height and create its bounding box
-                devtl.setRows(timelinerows + 1)
-                devtl.html['timeline'] += html_zoombox;
-                devtl.html['timeline'] += html_timeline.format("dmesg", devtl.height);
+        # calculate the timeline height and create bounding box, add buttons
+        devtl.setRows(timelinerows + 1)
+        devtl.html['timeline'] += html_devlist1
+        if len(testruns) > 1:
+                devtl.html['timeline'] += html_devlist2
+        devtl.html['timeline'] += html_zoombox
+        devtl.html['timeline'] += html_timeline.format('dmesg', devtl.height)
 
-                # draw the colored boxes for each of the phases
+        # draw the colored boxes for each of the phases
+        for data in testruns:
                 for b in data.dmesg:
                         phase = data.dmesg[b]
-                        left = "%.3f" % (((phase['start']-data.start)*100)/tTotal)
-                        width = "%.3f" % (((phase['end']-phase['start'])*100)/tTotal)
-                        devtl.html['timeline'] += html_phase.format(left, width, "%.3f"%devtl.scaleH, "%.3f"%(100-devtl.scaleH), data.dmesg[b]['color'], "")
-
-                # draw the time scale, try to make the number of labels readable
-                devtl.html['scale'] = createTimeScale(t0, tMax, data.tSuspended)
-                devtl.html['timeline'] += devtl.html['scale']
+                        length = phase['end']-phase['start']
+                        left = '%.3f' % (((phase['start']-t0)*100.0)/tTotal)
+                        width = '%.3f' % ((length*100.0)/tTotal)
+                        devtl.html['timeline'] += html_phase.format(left, width, \
+                                '%.3f'%devtl.scaleH, '%.3f'%(100-devtl.scaleH), \
+                                data.dmesg[b]['color'], '')
+
+        # draw the time scale, try to make the number of labels readable
+        devtl.html['scale'] = createTimeScale(t0, tMax, tSuspended)
+        devtl.html['timeline'] += devtl.html['scale']
+        for data in testruns:
                 for b in data.dmesg:
                         phaselist = data.dmesg[b]['list']
                         for d in phaselist:
                                 name = d
-                                if(d in data.altdevname):
-                                        name = data.altdevname[d]
+                                drv = ''
                                 dev = phaselist[d]
+                                if(d in sysvals.altdevname):
+                                        name = sysvals.altdevname[d]
+                                if('drv' in dev and dev['drv']):
+                                        drv = ' {%s}' % dev['drv']
                                 height = (100.0 - devtl.scaleH)/data.dmesg[b]['row']
-                                top = "%.3f" % ((dev['row']*height) + devtl.scaleH)
-                                left = "%.3f" % (((dev['start']-data.start)*100)/tTotal)
-                                width = "%.3f" % (((dev['end']-dev['start'])*100)/tTotal)
-                                len = " (%0.3f ms) " % ((dev['end']-dev['start'])*1000)
-                                color = "rgba(204,204,204,0.5)"
-                                devtl.html['timeline'] += html_device.format(dev['id'], name+len+b, left, top, "%.3f"%height, width, name)
-
-                # timeline is finished
-                devtl.html['timeline'] += "</div>\n</div>\n"
-
-                # draw a legend which describes the phases by color
-                devtl.html['legend'] = "<div class=\"legend\">\n"
-                pdelta = 100.0/data.phases.__len__()
-                pmargin = pdelta / 4.0
-                for phase in data.phases:
-                        order = "%.2f" % ((data.dmesg[phase]['order'] * pdelta) + pmargin)
-                        name = string.replace(phase, "_", " &nbsp;")
-                        devtl.html['legend'] += html_legend.format(order, data.dmesg[phase]['color'], name)
-                devtl.html['legend'] += "</div>\n"
+                                top = '%.3f' % ((dev['row']*height) + devtl.scaleH)
+                                left = '%.3f' % (((dev['start']-t0)*100)/tTotal)
+                                width = '%.3f' % (((dev['end']-dev['start'])*100)/tTotal)
+                                length = ' (%0.3f ms) ' % ((dev['end']-dev['start'])*1000)
+                                color = 'rgba(204,204,204,0.5)'
+                                devtl.html['timeline'] += html_device.format(dev['id'], \
+                                        d+drv+length+b, left, top, '%.3f'%height, width, name+drv)
+
+        # draw any trace events found
+        for data in testruns:
+                for b in data.dmesg:
+                        phaselist = data.dmesg[b]['list']
+                        for name in phaselist:
+                                dev = phaselist[name]
+                                if('traceevents' in dev):
+                                        vprint('Debug trace events found for device %s' % name)
+                                        vprint('%20s %20s %10s %8s' % ('action', \
+                                                'name', 'time(ms)', 'length(ms)'))
+                                        for e in dev['traceevents']:
+                                                vprint('%20s %20s %10.3f %8.3f' % (e.action, \
+                                                        e.name, e.time*1000, e.length*1000))
+                                                height = (100.0 - devtl.scaleH)/data.dmesg[b]['row']
+                                                top = '%.3f' % ((dev['row']*height) + devtl.scaleH)
+                                                left = '%.3f' % (((e.time-t0)*100)/tTotal)
+                                                width = '%.3f' % (e.length*100/tTotal)
+                                                color = 'rgba(204,204,204,0.5)'
+                                                devtl.html['timeline'] += \
+                                                        html_traceevent.format(e.action+' '+e.name, \
+                                                                left, top, '%.3f'%height, \
+                                                                width, e.color, '')
+
+        # timeline is finished
+        devtl.html['timeline'] += '</div>\n</div>\n'
+
+        # draw a legend which describes the phases by color
+        data = testruns[-1]
+        devtl.html['legend'] = '<div class="legend">\n'
+        pdelta = 100.0/len(data.phases)
+        pmargin = pdelta / 4.0
+        for phase in data.phases:
+                order = '%.2f' % ((data.dmesg[phase]['order'] * pdelta) + pmargin)
+                name = string.replace(phase, '_', ' &nbsp;')
+                devtl.html['legend'] += html_legend.format(order, \
+                        data.dmesg[phase]['color'], name)
+        devtl.html['legend'] += '</div>\n'
 
         hf = open(sysvals.htmlfile, 'w')
         thread_height = 0
 
-        # write the html header first (html head, css code, everything up to the start of body)
-        html_header = "<!DOCTYPE html>\n<html>\n<head>\n\
-        <meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\">\n\
+        # write the html header first (html head, css code, up to body start)
+        html_header = '<!DOCTYPE html>\n<html>\n<head>\n\
+        <meta http-equiv="content-type" content="text/html; charset=UTF-8">\n\
         <title>AnalyzeSuspend</title>\n\
-        <style type='text/css'>\n\
+        <style type=\'text/css\'>\n\
                 body {overflow-y: scroll;}\n\
                 .stamp {width: 100%;text-align:center;background-color:gray;line-height:30px;color:white;font: 25px Arial;}\n\
                 .callgraph {margin-top: 30px;box-shadow: 5px 5px 20px black;}\n\
                 .callgraph article * {padding-left: 28px;}\n\
                 h1 {color:black;font: bold 30px Times;}\n\
+                t0 {color:black;font: bold 30px Times;}\n\
+                t1 {color:black;font: 30px Times;}\n\
+                t2 {color:black;font: 25px Times;}\n\
+                t3 {color:black;font: 20px Times;white-space:nowrap;}\n\
+                t4 {color:black;font: bold 30px Times;line-height:60px;white-space:nowrap;}\n\
                 table {width:100%;}\n\
                 .gray {background-color:rgba(80,80,80,0.1);}\n\
                 .green {background-color:rgba(204,255,204,0.4);}\n\
@@ -968,38 +2364,58 @@ def createHTML():
                 .time1 {font: 22px Arial;border:1px solid;}\n\
                 .time2 {font: 15px Arial;border-bottom:1px solid;border-left:1px solid;border-right:1px solid;}\n\
                 td {text-align: center;}\n\
+                r {color:#500000;font:15px Tahoma;}\n\
+                n {color:#505050;font:15px Tahoma;}\n\
                 .tdhl {color: red;}\n\
                 .hide {display: none;}\n\
                 .pf {display: none;}\n\
-                .pf:checked + label {background: url(\'data:image/svg+xml;utf,<?xml version=\"1.0\" standalone=\"no\"?><svg xmlns=\"http://www.w3.org/2000/svg\" height=\"18\" width=\"18\" version=\"1.1\"><circle cx=\"9\" cy=\"9\" r=\"8\" stroke=\"black\" stroke-width=\"1\" fill=\"white\"/><rect x=\"4\" y=\"8\" width=\"10\" height=\"2\" style=\"fill:black;stroke-width:0\"/><rect x=\"8\" y=\"4\" width=\"2\" height=\"10\" style=\"fill:black;stroke-width:0\"/></svg>\') no-repeat left center;}\n\
-                .pf:not(:checked) ~ label {background: url(\'data:image/svg+xml;utf,<?xml version=\"1.0\" standalone=\"no\"?><svg xmlns=\"http://www.w3.org/2000/svg\" height=\"18\" width=\"18\" version=\"1.1\"><circle cx=\"9\" cy=\"9\" r=\"8\" stroke=\"black\" stroke-width=\"1\" fill=\"white\"/><rect x=\"4\" y=\"8\" width=\"10\" height=\"2\" style=\"fill:black;stroke-width:0\"/></svg>\') no-repeat left center;}\n\
+                .pf:checked + label {background: url(\'data:image/svg+xml;utf,<?xml version="1.0" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" version="1.1"><circle cx="9" cy="9" r="8" stroke="black" stroke-width="1" fill="white"/><rect x="4" y="8" width="10" height="2" style="fill:black;stroke-width:0"/><rect x="8" y="4" width="2" height="10" style="fill:black;stroke-width:0"/></svg>\') no-repeat left center;}\n\
+                .pf:not(:checked) ~ label {background: url(\'data:image/svg+xml;utf,<?xml version="1.0" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" height="18" width="18" version="1.1"><circle cx="9" cy="9" r="8" stroke="black" stroke-width="1" fill="white"/><rect x="4" y="8" width="10" height="2" style="fill:black;stroke-width:0"/></svg>\') no-repeat left center;}\n\
                 .pf:checked ~ *:not(:nth-child(2)) {display: none;}\n\
                 .zoombox {position: relative; width: 100%; overflow-x: scroll;}\n\
                 .timeline {position: relative; font-size: 14px;cursor: pointer;width: 100%; overflow: hidden; background-color:#dddddd;}\n\
-                .thread {position: absolute; height: "+"%.3f"%thread_height+"%; overflow: hidden; line-height: 30px; border:1px solid;text-align:center;white-space:nowrap;background-color:rgba(204,204,204,0.5);}\n\
+                .thread {position: absolute; height: '+'%.3f'%thread_height+'%; overflow: hidden; line-height: 30px; border:1px solid;text-align:center;white-space:nowrap;background-color:rgba(204,204,204,0.5);}\n\
                 .thread:hover {background-color:white;border:1px solid red;z-index:10;}\n\
+                .hover {background-color:white;border:1px solid red;z-index:10;}\n\
+                .traceevent {position: absolute;opacity: 0.3;height: '+'%.3f'%thread_height+'%;width:0;overflow:hidden;line-height:30px;text-align:center;white-space:nowrap;}\n\
                 .phase {position: absolute;overflow: hidden;border:0px;text-align:center;}\n\
-                .t {position: absolute; top: 0%; height: 100%; border-right:1px solid black;}\n\
+                .phaselet {position:absolute;overflow:hidden;border:0px;text-align:center;height:100px;font-size:24px;}\n\
+                .t {position:absolute;top:0%;height:100%;border-right:1px solid black;}\n\
                 .legend {position: relative; width: 100%; height: 40px; text-align: center;margin-bottom:20px}\n\
                 .legend .square {position:absolute;top:10px; width: 0px;height: 20px;border:1px solid;padding-left:20px;}\n\
                 button {height:40px;width:200px;margin-bottom:20px;margin-top:20px;font-size:24px;}\n\
-        </style>\n</head>\n<body>\n"
+                .devlist {position:'+x2changes[1]+';width:190px;}\n\
+                #devicedetail {height:100px;box-shadow: 5px 5px 20px black;}\n\
+        </style>\n</head>\n<body>\n'
         hf.write(html_header)
 
         # write the test title and general info header
-        if(data.stamp['time'] != ""):
-                hf.write(headline_stamp.format(data.stamp['host'],
-                        data.stamp['kernel'], data.stamp['mode'], data.stamp['time']))
-
-        # write the dmesg data (device timeline)
-        if(data.usedmesg):
-                hf.write(devtl.html['timeline'])
-                hf.write(devtl.html['legend'])
-                hf.write('<div id="devicedetail"></div>\n')
-                hf.write('<div id="devicetree"></div>\n')
+        if(sysvals.stamp['time'] != ""):
+                hf.write(headline_stamp.format(sysvals.stamp['host'],
+                        sysvals.stamp['kernel'], sysvals.stamp['mode'], \
+                                sysvals.stamp['time']))
+
+        # write the device timeline
+        hf.write(devtl.html['timeline'])
+        hf.write(devtl.html['legend'])
+        hf.write('<div id="devicedetailtitle"></div>\n')
+        hf.write('<div id="devicedetail" style="display:none;">\n')
+        # draw the colored boxes for the device detail section
+        for data in testruns:
+                hf.write('<div id="devicedetail%d">\n' % data.testnumber)
+                for b in data.phases:
+                        phase = data.dmesg[b]
+                        length = phase['end']-phase['start']
+                        left = '%.3f' % (((phase['start']-t0)*100.0)/tTotal)
+                        width = '%.3f' % ((length*100.0)/tTotal)
+                        hf.write(html_phaselet.format(b, left, width, \
+                                data.dmesg[b]['color']))
+                hf.write('</div>\n')
+        hf.write('</div>\n')
 
         # write the ftrace data (callgraph)
-        if(data.useftrace):
+        data = testruns[-1]
+        if(sysvals.usecallgraph):
                 hf.write('<section id="callgraphs" class="callgraph">\n')
                 # write out the ftrace data converted to html
                 html_func_top = '<article id="{0}" class="atop" style="background-color:{1}">\n<input type="checkbox" class="pf" id="f{2}" checked/><label for="f{2}">{3} {4}</label>\n'
@@ -1013,18 +2429,21 @@ def createHTML():
                                 if('ftrace' not in list[devname]):
                                         continue
                                 name = devname
-                                if(devname in data.altdevname):
-                                        name = data.altdevname[devname]
+                                if(devname in sysvals.altdevname):
+                                        name = sysvals.altdevname[devname]
                                 devid = list[devname]['id']
                                 cg = list[devname]['ftrace']
-                                flen = "(%.3f ms)" % ((cg.end - cg.start)*1000)
-                                hf.write(html_func_top.format(devid, data.dmesg[p]['color'], num, name+" "+p, flen))
+                                flen = '<r>(%.3f ms @ %.3f to %.3f)</r>' % \
+                                        ((cg.end - cg.start)*1000, cg.start*1000, cg.end*1000)
+                                hf.write(html_func_top.format(devid, data.dmesg[p]['color'], \
+                                        num, name+' '+p, flen))
                                 num += 1
                                 for line in cg.list:
                                         if(line.length < 0.000000001):
-                                                flen = ""
+                                                flen = ''
                                         else:
-                                                flen = "(%.3f ms)" % (line.length*1000)
+                                                flen = '<n>(%.3f ms @ %.3f)</n>' % (line.length*1000, \
+                                                        line.time*1000)
                                         if(line.freturn and line.fcall):
                                                 hf.write(html_func_leaf.format(line.name, flen))
                                         elif(line.freturn):
@@ -1033,96 +2452,31 @@ def createHTML():
                                                 hf.write(html_func_start.format(num, line.name, flen))
                                                 num += 1
                                 hf.write(html_func_end)
-                hf.write("\n\n    </section>\n")
+                hf.write('\n\n    </section>\n')
         # write the footer and close
-        addScriptCode(hf)
-        hf.write("</body>\n</html>\n")
+        addScriptCode(hf, testruns)
+        hf.write('</body>\n</html>\n')
         hf.close()
         return True
 
-def addScriptCode(hf):
-        global data
-
-        t0 = (data.start - data.tSuspended) * 1000
-        tMax = (data.end - data.tSuspended) * 1000
+# Function: addScriptCode
+# Description:
+#        Adds the javascript code to the output html
+# Arguments:
+#        hf: the open html file pointer
+#        testruns: array of Data objects from parseKernelLog or parseTraceLog
+def addScriptCode(hf, testruns):
+        t0 = (testruns[0].start - testruns[-1].tSuspended) * 1000
+        tMax = (testruns[-1].end - testruns[-1].tSuspended) * 1000
         # create an array in javascript memory with the device details
-        detail = '      var bounds = [%f,%f];\n' % (t0, tMax)
-        detail += '     var d = [];\n'
-        dfmt = '        d["%s"] = { n:"%s", p:"%s", c:[%s] };\n';
-        for p in data.dmesg:
-                list = data.dmesg[p]['list']
-                for d in list:
-                        parent = data.deviceParentID(d, p)
-                        idlist = data.deviceChildrenIDs(d, p)
-                        idstr = ""
-                        for i in idlist:
-                                if(idstr == ""):
-                                        idstr += '"'+i+'"'
-                                else:
-                                        idstr += ', '+'"'+i+'"'
-                        detail += dfmt % (list[d]['id'], d, parent, idstr)
-
+        detail = '      var devtable = [];\n'
+        for data in testruns:
+                topo = data.deviceTopology()
+                detail += '     devtable[%d] = "%s";\n' % (data.testnumber, topo)
+        detail += '     var bounds = [%f,%f];\n' % (t0, tMax)
         # add the code which will manipulate the data in the browser
         script_code = \
         '<script type="text/javascript">\n'+detail+\
-        '       var filter = [];\n'\
-        '       var table = [];\n'\
-        '       function deviceParent(devid) {\n'\
-        '               var devlist = [];\n'\
-        '               if(filter.indexOf(devid) < 0) filter[filter.length] = devid;\n'\
-        '               if(d[devid].p in d)\n'\
-        '                       devlist = deviceParent(d[devid].p);\n'\
-        '               else if(d[devid].p != "")\n'\
-        '                       devlist = [d[devid].p];\n'\
-        '               devlist[devlist.length] = d[devid].n;\n'\
-        '               return devlist;\n'\
-        '       }\n'\
-        '       function deviceChildren(devid, column, row) {\n'\
-        '               if(!(devid in d)) return;\n'\
-        '               if(filter.indexOf(devid) < 0) filter[filter.length] = devid;\n'\
-        '               var cell = {name: d[devid].n, span: 1};\n'\
-        '               var span = 0;\n'\
-        '               if(column >= table.length) table[column] = [];\n'\
-        '               table[column][row] = cell;\n'\
-        '               for(var i = 0; i < d[devid].c.length; i++) {\n'\
-        '                       var cid = d[devid].c[i];\n'\
-        '                       span += deviceChildren(cid, column+1, row+span);\n'\
-        '               }\n'\
-        '               if(span == 0) span = 1;\n'\
-        '               table[column][row].span = span;\n'\
-        '               return span;\n'\
-        '       }\n'\
-        '       function deviceTree(devid, resume) {\n'\
-        '               var html = "<table border=1>";\n'\
-        '               filter = [];\n'\
-        '               table = [];\n'\
-        '               plist = deviceParent(devid);\n'\
-        '               var devidx = plist.length - 1;\n'\
-        '               for(var i = 0; i < devidx; i++)\n'\
-        '                       table[i] = [{name: plist[i], span: 1}];\n'\
-        '               deviceChildren(devid, devidx, 0);\n'\
-        '               for(var i = 0; i < devidx; i++)\n'\
-        '                       table[i][0].span = table[devidx][0].span;\n'\
-        '               for(var row = 0; row < table[0][0].span; row++) {\n'\
-        '                       html += "<tr>";\n'\
-        '                       for(var col = 0; col < table.length; col++)\n'\
-        '                               if(row in table[col]) {\n'\
-        '                                       var cell = table[col][row];\n'\
-        '                                       var args = "";\n'\
-        '                                       if(cell.span > 1)\n'\
-        '                                               args += " rowspan="+cell.span;\n'\
-        '                                       if((col == devidx) && (row == 0))\n'\
-        '                                               args += " class=tdhl";\n'\
-        '                                       if(resume)\n'\
-        '                                               html += "<td"+args+">"+cell.name+" &rarr;</td>";\n'\
-        '                                       else\n'\
-        '                                               html += "<td"+args+">&larr; "+cell.name+"</td>";\n'\
-        '                               }\n'\
-        '                       html += "</tr>";\n'\
-        '               }\n'\
-        '               html += "</table>";\n'\
-        '               return html;\n'\
-        '       }\n'\
         '       function zoomTimeline() {\n'\
         '               var timescale = document.getElementById("timescale");\n'\
         '               var dmesg = document.getElementById("dmesg");\n'\
@@ -1154,35 +2508,170 @@ def addScriptCode(hf):
         '               for(var s = ((t0 / tS)|0) * tS; s < tMax; s += tS) {\n'\
         '                       var pos = (tMax - s) * 100.0 / tTotal;\n'\
         '                       var name = (s == 0)?"S/R":(s+"ms");\n'\
-        '                       html += \"<div class=\\\"t\\\" style=\\\"right:\"+pos+\"%\\\">\"+name+\"</div>\";\n'\
+        '                       html += "<div class=\\"t\\" style=\\"right:"+pos+"%\\">"+name+"</div>";\n'\
         '               }\n'\
         '               timescale.innerHTML = html;\n'\
         '       }\n'\
+        '       function deviceHover() {\n'\
+        '               var name = this.title.slice(0, this.title.indexOf(" ("));\n'\
+        '               var dmesg = document.getElementById("dmesg");\n'\
+        '               var dev = dmesg.getElementsByClassName("thread");\n'\
+        '               var cpu = -1;\n'\
+        '               if(name.match("CPU_ON\[[0-9]*\]"))\n'\
+        '                       cpu = parseInt(name.slice(7));\n'\
+        '               else if(name.match("CPU_OFF\[[0-9]*\]"))\n'\
+        '                       cpu = parseInt(name.slice(8));\n'\
+        '               for (var i = 0; i < dev.length; i++) {\n'\
+        '                       dname = dev[i].title.slice(0, dev[i].title.indexOf(" ("));\n'\
+        '                       if((cpu >= 0 && dname.match("CPU_O[NF]*\\\[*"+cpu+"\\\]")) ||\n'\
+        '                               (name == dname))\n'\
+        '                       {\n'\
+        '                               dev[i].className = "thread hover";\n'\
+        '                       } else {\n'\
+        '                               dev[i].className = "thread";\n'\
+        '                       }\n'\
+        '               }\n'\
+        '       }\n'\
+        '       function deviceUnhover() {\n'\
+        '               var dmesg = document.getElementById("dmesg");\n'\
+        '               var dev = dmesg.getElementsByClassName("thread");\n'\
+        '               for (var i = 0; i < dev.length; i++) {\n'\
+        '                       dev[i].className = "thread";\n'\
+        '               }\n'\
+        '       }\n'\
+        '       function deviceTitle(title, total, cpu) {\n'\
+        '               var prefix = "Total";\n'\
+        '               if(total.length > 3) {\n'\
+        '                       prefix = "Average";\n'\
+        '                       total[1] = (total[1]+total[3])/2;\n'\
+        '                       total[2] = (total[2]+total[4])/2;\n'\
+        '               }\n'\
+        '               var devtitle = document.getElementById("devicedetailtitle");\n'\
+        '               var name = title.slice(0, title.indexOf(" "));\n'\
+        '               if(cpu >= 0) name = "CPU"+cpu;\n'\
+        '               var driver = "";\n'\
+        '               var tS = "<t2>(</t2>";\n'\
+        '               var tR = "<t2>)</t2>";\n'\
+        '               if(total[1] > 0)\n'\
+        '                       tS = "<t2>("+prefix+" Suspend:</t2><t0> "+total[1].toFixed(3)+" ms</t0> ";\n'\
+        '               if(total[2] > 0)\n'\
+        '                       tR = " <t2>"+prefix+" Resume:</t2><t0> "+total[2].toFixed(3)+" ms<t2>)</t2></t0>";\n'\
+        '               var s = title.indexOf("{");\n'\
+        '               var e = title.indexOf("}");\n'\
+        '               if((s >= 0) && (e >= 0))\n'\
+        '                       driver = title.slice(s+1, e) + " <t1>@</t1> ";\n'\
+        '               if(total[1] > 0 && total[2] > 0)\n'\
+        '                       devtitle.innerHTML = "<t0>"+driver+name+"</t0> "+tS+tR;\n'\
+        '               else\n'\
+        '                       devtitle.innerHTML = "<t0>"+title+"</t0>";\n'\
+        '               return name;\n'\
+        '       }\n'\
         '       function deviceDetail() {\n'\
-        '               var devtitle = document.getElementById("devicedetail");\n'\
-        '               devtitle.innerHTML = "<h1>"+this.title+"</h1>";\n'\
-        '               var devtree = document.getElementById("devicetree");\n'\
-        '               devtree.innerHTML = deviceTree(this.id, (this.title.indexOf("resume") >= 0));\n'\
+        '               var devinfo = document.getElementById("devicedetail");\n'\
+        '               devinfo.style.display = "block";\n'\
+        '               var name = this.title.slice(0, this.title.indexOf(" ("));\n'\
+        '               var cpu = -1;\n'\
+        '               if(name.match("CPU_ON\[[0-9]*\]"))\n'\
+        '                       cpu = parseInt(name.slice(7));\n'\
+        '               else if(name.match("CPU_OFF\[[0-9]*\]"))\n'\
+        '                       cpu = parseInt(name.slice(8));\n'\
+        '               var dmesg = document.getElementById("dmesg");\n'\
+        '               var dev = dmesg.getElementsByClassName("thread");\n'\
+        '               var idlist = [];\n'\
+        '               var pdata = [[]];\n'\
+        '               var pd = pdata[0];\n'\
+        '               var total = [0.0, 0.0, 0.0];\n'\
+        '               for (var i = 0; i < dev.length; i++) {\n'\
+        '                       dname = dev[i].title.slice(0, dev[i].title.indexOf(" ("));\n'\
+        '                       if((cpu >= 0 && dname.match("CPU_O[NF]*\\\[*"+cpu+"\\\]")) ||\n'\
+        '                               (name == dname))\n'\
+        '                       {\n'\
+        '                               idlist[idlist.length] = dev[i].id;\n'\
+        '                               var tidx = 1;\n'\
+        '                               if(dev[i].id[0] == "a") {\n'\
+        '                                       pd = pdata[0];\n'\
+        '                               } else {\n'\
+        '                                       if(pdata.length == 1) pdata[1] = [];\n'\
+        '                                       if(total.length == 3) total[3]=total[4]=0.0;\n'\
+        '                                       pd = pdata[1];\n'\
+        '                                       tidx = 3;\n'\
+        '                               }\n'\
+        '                               var info = dev[i].title.split(" ");\n'\
+        '                               var pname = info[info.length-1];\n'\
+        '                               pd[pname] = parseFloat(info[info.length-3].slice(1));\n'\
+        '                               total[0] += pd[pname];\n'\
+        '                               if(pname.indexOf("suspend") >= 0)\n'\
+        '                                       total[tidx] += pd[pname];\n'\
+        '                               else\n'\
+        '                                       total[tidx+1] += pd[pname];\n'\
+        '                       }\n'\
+        '               }\n'\
+        '               var devname = deviceTitle(this.title, total, cpu);\n'\
+        '               var left = 0.0;\n'\
+        '               for (var t = 0; t < pdata.length; t++) {\n'\
+        '                       pd = pdata[t];\n'\
+        '                       devinfo = document.getElementById("devicedetail"+t);\n'\
+        '                       var phases = devinfo.getElementsByClassName("phaselet");\n'\
+        '                       for (var i = 0; i < phases.length; i++) {\n'\
+        '                               if(phases[i].id in pd) {\n'\
+        '                                       var w = 100.0*pd[phases[i].id]/total[0];\n'\
+        '                                       var fs = 32;\n'\
+        '                                       if(w < 8) fs = 4*w | 0;\n'\
+        '                                       var fs2 = fs*3/4;\n'\
+        '                                       phases[i].style.width = w+"%";\n'\
+        '                                       phases[i].style.left = left+"%";\n'\
+        '                                       phases[i].title = phases[i].id+" "+pd[phases[i].id]+" ms";\n'\
+        '                                       left += w;\n'\
+        '                                       var time = "<t4 style=\\"font-size:"+fs+"px\\">"+pd[phases[i].id]+" ms<br></t4>";\n'\
+        '                                       var pname = "<t3 style=\\"font-size:"+fs2+"px\\">"+phases[i].id.replace("_", " ")+"</t3>";\n'\
+        '                                       phases[i].innerHTML = time+pname;\n'\
+        '                               } else {\n'\
+        '                                       phases[i].style.width = "0%";\n'\
+        '                                       phases[i].style.left = left+"%";\n'\
+        '                               }\n'\
+        '                       }\n'\
+        '               }\n'\
         '               var cglist = document.getElementById("callgraphs");\n'\
         '               if(!cglist) return;\n'\
         '               var cg = cglist.getElementsByClassName("atop");\n'\
         '               for (var i = 0; i < cg.length; i++) {\n'\
-        '                       if(filter.indexOf(cg[i].id) >= 0) {\n'\
+        '                       if(idlist.indexOf(cg[i].id) >= 0) {\n'\
         '                               cg[i].style.display = "block";\n'\
         '                       } else {\n'\
         '                               cg[i].style.display = "none";\n'\
         '                       }\n'\
         '               }\n'\
         '       }\n'\
+        '       function devListWindow(e) {\n'\
+        '               var sx = e.clientX;\n'\
+        '               if(sx > window.innerWidth - 440)\n'\
+        '                       sx = window.innerWidth - 440;\n'\
+        '               var cfg="top="+e.screenY+", left="+sx+", width=440, height=720, scrollbars=yes";\n'\
+        '               var win = window.open("", "_blank", cfg);\n'\
+        '               if(window.chrome) win.moveBy(sx, 0);\n'\
+        '               var html = "<title>"+e.target.innerHTML+"</title>"+\n'\
+        '                       "<style type=\\"text/css\\">"+\n'\
+        '                       "   ul {list-style-type:circle;padding-left:10px;margin-left:10px;}"+\n'\
+        '                       "</style>"\n'\
+        '               var dt = devtable[0];\n'\
+        '               if(e.target.id != "devlist1")\n'\
+        '                       dt = devtable[1];\n'\
+        '               win.document.write(html+dt);\n'\
+        '       }\n'\
         '       window.addEventListener("load", function () {\n'\
         '               var dmesg = document.getElementById("dmesg");\n'\
         '               dmesg.style.width = "100%"\n'\
         '               document.getElementById("zoomin").onclick = zoomTimeline;\n'\
         '               document.getElementById("zoomout").onclick = zoomTimeline;\n'\
         '               document.getElementById("zoomdef").onclick = zoomTimeline;\n'\
+        '               var devlist = document.getElementsByClassName("devlist");\n'\
+        '               for (var i = 0; i < devlist.length; i++)\n'\
+        '                       devlist[i].onclick = devListWindow;\n'\
         '               var dev = dmesg.getElementsByClassName("thread");\n'\
         '               for (var i = 0; i < dev.length; i++) {\n'\
         '                       dev[i].onclick = deviceDetail;\n'\
+        '                       dev[i].onmouseover = deviceHover;\n'\
+        '                       dev[i].onmouseout = deviceUnhover;\n'\
         '               }\n'\
         '               zoomTimeline();\n'\
         '       });\n'\
@@ -1191,256 +2680,912 @@ def addScriptCode(hf):
 
 # Function: executeSuspend
 # Description:
-#        Execute system suspend through the sysfs interface
+#        Execute system suspend through the sysfs interface, then copy the output
+#        dmesg and ftrace files to the test output directory.
 def executeSuspend():
-        global sysvals, data
-
-        detectUSB()
-        pf = open(sysvals.powerfile, 'w')
-        # clear the kernel ring buffer just as we start
-        os.system("dmesg -C")
-        # start ftrace
-        if(data.useftrace):
-                print("START TRACING")
-                os.system("echo 1 > "+sysvals.tpath+"tracing_on")
-                os.system("echo SUSPEND START > "+sysvals.tpath+"trace_marker")
-        # initiate suspend
-        if(sysvals.rtcwake):
-                print("SUSPEND START")
-                os.system("rtcwake -s 10 -m "+sysvals.suspendmode)
-        else:
-                print("SUSPEND START (press a key to resume)")
+        global sysvals
+
+        detectUSB(False)
+        t0 = time.time()*1000
+        tp = sysvals.tpath
+        # execute however many s/r runs requested
+        for count in range(1,sysvals.execcount+1):
+                # clear the kernel ring buffer just as we start
+                os.system('dmesg -C')
+                # enable callgraph ftrace only for the second run
+                if(sysvals.usecallgraph and count == 2):
+                        # set trace type
+                        os.system('echo function_graph > '+tp+'current_tracer')
+                        os.system('echo "" > '+tp+'set_ftrace_filter')
+                        # set trace format options
+                        os.system('echo funcgraph-abstime > '+tp+'trace_options')
+                        os.system('echo funcgraph-proc > '+tp+'trace_options')
+                        # focus only on device suspend and resume
+                        os.system('cat '+tp+'available_filter_functions | '+\
+                                'grep dpm_run_callback > '+tp+'set_graph_function')
+                # if this is test2 and there's a delay, start here
+                if(count > 1 and sysvals.x2delay > 0):
+                        tN = time.time()*1000
+                        while (tN - t0) < sysvals.x2delay:
+                                tN = time.time()*1000
+                                time.sleep(0.001)
+                # start ftrace
+                if(sysvals.usecallgraph or sysvals.usetraceevents):
+                        print('START TRACING')
+                        os.system('echo 1 > '+tp+'tracing_on')
+                # initiate suspend
+                if(sysvals.usecallgraph or sysvals.usetraceevents):
+                        os.system('echo SUSPEND START > '+tp+'trace_marker')
+                if(sysvals.rtcwake):
+                        print('SUSPEND START')
+                        print('will autoresume in %d seconds' % sysvals.rtcwaketime)
+                        sysvals.rtcWakeAlarm()
+                else:
+                        print('SUSPEND START (press a key to resume)')
+                pf = open(sysvals.powerfile, 'w')
                 pf.write(sysvals.suspendmode)
-        # execution will pause here
-        pf.close()
-        # return from suspend
-        print("RESUME COMPLETE")
-        # stop ftrace
-        if(data.useftrace):
-                os.system("echo RESUME COMPLETE > "+sysvals.tpath+"trace_marker")
-                os.system("echo 0 > "+sysvals.tpath+"tracing_on")
-                print("CAPTURING FTRACE")
-                os.system("echo \""+sysvals.teststamp+"\" > "+sysvals.ftracefile)
-                os.system("cat "+sysvals.tpath+"trace >> "+sysvals.ftracefile)
-        # grab a copy of the dmesg output
-        print("CAPTURING DMESG")
-        os.system("echo \""+sysvals.teststamp+"\" > "+sysvals.dmesgfile)
-        os.system("dmesg -c >> "+sysvals.dmesgfile)
+                # execution will pause here
+                pf.close()
+                t0 = time.time()*1000
+                # return from suspend
+                print('RESUME COMPLETE')
+                if(sysvals.usecallgraph or sysvals.usetraceevents):
+                        os.system('echo RESUME COMPLETE > '+tp+'trace_marker')
+                # see if there's firmware timing data to be had
+                t = sysvals.postresumetime
+                if(t > 0):
+                        print('Waiting %d seconds for POST-RESUME trace events...' % t)
+                        time.sleep(t)
+                # stop ftrace
+                if(sysvals.usecallgraph or sysvals.usetraceevents):
+                        os.system('echo 0 > '+tp+'tracing_on')
+                        print('CAPTURING TRACE')
+                        writeDatafileHeader(sysvals.ftracefile)
+                        os.system('cat '+tp+'trace >> '+sysvals.ftracefile)
+                        os.system('echo "" > '+tp+'trace')
+                # grab a copy of the dmesg output
+                print('CAPTURING DMESG')
+                writeDatafileHeader(sysvals.dmesgfile)
+                os.system('dmesg -c >> '+sysvals.dmesgfile)
+
+def writeDatafileHeader(filename):
+        global sysvals
+
+        fw = getFPDT(False)
+        prt = sysvals.postresumetime
+        fp = open(filename, 'a')
+        fp.write(sysvals.teststamp+'\n')
+        if(fw):
+                fp.write('# fwsuspend %u fwresume %u\n' % (fw[0], fw[1]))
+        if(prt > 0):
+                fp.write('# post resume time %u\n' % prt)
+        fp.close()
+
+# Function: executeAndroidSuspend
+# Description:
+#        Execute system suspend through the sysfs interface
+#        on a remote android device, then transfer the output
+#        dmesg and ftrace files to the local output directory.
+def executeAndroidSuspend():
+        global sysvals
+
+        # check to see if the display is currently off
+        tp = sysvals.tpath
+        out = os.popen(sysvals.adb+\
+                ' shell dumpsys power | grep mScreenOn').read().strip()
+        # if so we need to turn it on so we can issue a new suspend
+        if(out.endswith('false')):
+                print('Waking the device up for the test...')
+                # send the KEYPAD_POWER keyevent to wake it up
+                os.system(sysvals.adb+' shell input keyevent 26')
+                # wait a few seconds so the user can see the device wake up
+                time.sleep(3)
+        # execute however many s/r runs requested
+        for count in range(1,sysvals.execcount+1):
+                # clear the kernel ring buffer just as we start
+                os.system(sysvals.adb+' shell dmesg -c > /dev/null 2>&1')
+                # start ftrace
+                if(sysvals.usetraceevents):
+                        print('START TRACING')
+                        os.system(sysvals.adb+" shell 'echo 1 > "+tp+"tracing_on'")
+                # initiate suspend
+                for count in range(1,sysvals.execcount+1):
+                        if(sysvals.usetraceevents):
+                                os.system(sysvals.adb+\
+                                        " shell 'echo SUSPEND START > "+tp+"trace_marker'")
+                        print('SUSPEND START (press a key on the device to resume)')
+                        os.system(sysvals.adb+" shell 'echo "+sysvals.suspendmode+\
+                                " > "+sysvals.powerfile+"'")
+                        # execution will pause here, then adb will exit
+                        while(True):
+                                check = os.popen(sysvals.adb+\
+                                        ' shell pwd 2>/dev/null').read().strip()
+                                if(len(check) > 0):
+                                        break
+                                time.sleep(1)
+                        if(sysvals.usetraceevents):
+                                os.system(sysvals.adb+" shell 'echo RESUME COMPLETE > "+tp+\
+                                        "trace_marker'")
+                # return from suspend
+                print('RESUME COMPLETE')
+                # stop ftrace
+                if(sysvals.usetraceevents):
+                        os.system(sysvals.adb+" shell 'echo 0 > "+tp+"tracing_on'")
+                        print('CAPTURING TRACE')
+                        os.system('echo "'+sysvals.teststamp+'" > '+sysvals.ftracefile)
+                        os.system(sysvals.adb+' shell cat '+tp+\
+                                'trace >> '+sysvals.ftracefile)
+                # grab a copy of the dmesg output
+                print('CAPTURING DMESG')
+                os.system('echo "'+sysvals.teststamp+'" > '+sysvals.dmesgfile)
+                os.system(sysvals.adb+' shell dmesg >> '+sysvals.dmesgfile)
+
+# Function: setUSBDevicesAuto
+# Description:
+#        Set the autosuspend control parameter of all USB devices to auto
+#        This can be dangerous, so use at your own risk, most devices are set
+#        to always-on since the kernel cant determine if the device can
+#        properly autosuspend
+def setUSBDevicesAuto():
+        global sysvals
+
+        rootCheck()
+        for dirname, dirnames, filenames in os.walk('/sys/devices'):
+                if(re.match('.*/usb[0-9]*.*', dirname) and
+                        'idVendor' in filenames and 'idProduct' in filenames):
+                        os.system('echo auto > %s/power/control' % dirname)
+                        name = dirname.split('/')[-1]
+                        desc = os.popen('cat %s/product 2>/dev/null' % \
+                                dirname).read().replace('\n', '')
+                        ctrl = os.popen('cat %s/power/control 2>/dev/null' % \
+                                dirname).read().replace('\n', '')
+                        print('control is %s for %6s: %s' % (ctrl, name, desc))
+
+# Function: yesno
+# Description:
+#        Print out an equivalent Y or N for a set of known parameter values
+# Output:
+#        'Y', 'N', or ' ' if the value is unknown
+def yesno(val):
+        yesvals = ['auto', 'enabled', 'active', '1']
+        novals = ['on', 'disabled', 'suspended', 'forbidden', 'unsupported']
+        if val in yesvals:
+                return 'Y'
+        elif val in novals:
+                return 'N'
+        return ' '
+
+# Function: ms2nice
+# Description:
+#        Print out a very concise time string in minutes and seconds
+# Output:
+#        The time string, e.g. "1901m16s"
+def ms2nice(val):
+        ms = 0
+        try:
+                ms = int(val)
+        except:
+                return 0.0
+        m = ms / 60000
+        s = (ms / 1000) - (m * 60)
+        return '%3dm%2ds' % (m, s)
 
 # Function: detectUSB
 # Description:
-#        Detect all the USB hosts and devices currently connected
-def detectUSB():
-        global sysvals, data
-
-        for dirname, dirnames, filenames in os.walk("/sys/devices"):
-                if(re.match(r".*/usb[0-9]*.*", dirname) and
-                        "idVendor" in filenames and "idProduct" in filenames):
-                        vid = os.popen("cat %s/idVendor 2>/dev/null" % dirname).read().replace('\n', '')
-                        pid = os.popen("cat %s/idProduct 2>/dev/null" % dirname).read().replace('\n', '')
-                        product = os.popen("cat %s/product 2>/dev/null" % dirname).read().replace('\n', '')
+#        Detect all the USB hosts and devices currently connected and add
+#        a list of USB device names to sysvals for better timeline readability
+# Arguments:
+#        output: True to output the info to stdout, False otherwise
+def detectUSB(output):
+        global sysvals
+
+        field = {'idVendor':'', 'idProduct':'', 'product':'', 'speed':''}
+        power = {'async':'', 'autosuspend':'', 'autosuspend_delay_ms':'',
+                         'control':'', 'persist':'', 'runtime_enabled':'',
+                         'runtime_status':'', 'runtime_usage':'',
+                        'runtime_active_time':'',
+                        'runtime_suspended_time':'',
+                        'active_duration':'',
+                        'connected_duration':''}
+        if(output):
+                print('LEGEND')
+                print('---------------------------------------------------------------------------------------------')
+                print('  A = async/sync PM queue Y/N                       D = autosuspend delay (seconds)')
+                print('  S = autosuspend Y/N                         rACTIVE = runtime active (min/sec)')
+                print('  P = persist across suspend Y/N              rSUSPEN = runtime suspend (min/sec)')
+                print('  E = runtime suspend enabled/forbidden Y/N    ACTIVE = active duration (min/sec)')
+                print('  R = runtime status active/suspended Y/N     CONNECT = connected duration (min/sec)')
+                print('  U = runtime usage count')
+                print('---------------------------------------------------------------------------------------------')
+                print('  NAME       ID      DESCRIPTION         SPEED A S P E R U D rACTIVE rSUSPEN  ACTIVE CONNECT')
+                print('---------------------------------------------------------------------------------------------')
+
+        for dirname, dirnames, filenames in os.walk('/sys/devices'):
+                if(re.match('.*/usb[0-9]*.*', dirname) and
+                        'idVendor' in filenames and 'idProduct' in filenames):
+                        for i in field:
+                                field[i] = os.popen('cat %s/%s 2>/dev/null' % \
+                                        (dirname, i)).read().replace('\n', '')
                         name = dirname.split('/')[-1]
-                        if(len(product) > 0):
-                                data.altdevname[name] = "%s [%s]" % (product, name)
+                        if(len(field['product']) > 0):
+                                sysvals.altdevname[name] = \
+                                        '%s [%s]' % (field['product'], name)
                         else:
-                                data.altdevname[name] = "%s:%s [%s]" % (vid, pid, name)
-
+                                sysvals.altdevname[name] = \
+                                        '%s:%s [%s]' % (field['idVendor'], \
+                                                field['idProduct'], name)
+                        if(output):
+                                for i in power:
+                                        power[i] = os.popen('cat %s/power/%s 2>/dev/null' % \
+                                                (dirname, i)).read().replace('\n', '')
+                                if(re.match('usb[0-9]*', name)):
+                                        first = '%-8s' % name
+                                else:
+                                        first = '%8s' % name
+                                print('%s [%s:%s] %-20s %-4s %1s %1s %1s %1s %1s %1s %1s %s %s %s %s' % \
+                                        (first, field['idVendor'], field['idProduct'], \
+                                        field['product'][0:20], field['speed'], \
+                                        yesno(power['async']), \
+                                        yesno(power['control']), \
+                                        yesno(power['persist']), \
+                                        yesno(power['runtime_enabled']), \
+                                        yesno(power['runtime_status']), \
+                                        power['runtime_usage'], \
+                                        power['autosuspend'], \
+                                        ms2nice(power['runtime_active_time']), \
+                                        ms2nice(power['runtime_suspended_time']), \
+                                        ms2nice(power['active_duration']), \
+                                        ms2nice(power['connected_duration'])))
+
+# Function: getModes
+# Description:
+#        Determine the supported power modes on this system
+# Output:
+#        A string list of the available modes
 def getModes():
         global sysvals
-        modes = ""
-        if(os.path.exists(sysvals.powerfile)):
-                fp = open(sysvals.powerfile, 'r')
-                modes = string.split(fp.read())
-                fp.close()
+        modes = ''
+        if(not sysvals.android):
+                if(os.path.exists(sysvals.powerfile)):
+                        fp = open(sysvals.powerfile, 'r')
+                        modes = string.split(fp.read())
+                        fp.close()
+        else:
+                line = os.popen(sysvals.adb+' shell cat '+\
+                        sysvals.powerfile).read().strip()
+                modes = string.split(line)
         return modes
 
+# Function: getFPDT
+# Description:
+#        Read the acpi bios tables and pull out FPDT, the firmware data
+# Arguments:
+#        output: True to output the info to stdout, False otherwise
+def getFPDT(output):
+        global sysvals
+
+        rectype = {}
+        rectype[0] = 'Firmware Basic Boot Performance Record'
+        rectype[1] = 'S3 Performance Table Record'
+        prectype = {}
+        prectype[0] = 'Basic S3 Resume Performance Record'
+        prectype[1] = 'Basic S3 Suspend Performance Record'
+
+        rootCheck()
+        if(not os.path.exists(sysvals.fpdtpath)):
+                if(output):
+                        doError('file doesnt exist: %s' % sysvals.fpdtpath, False)
+                return False
+        if(not os.access(sysvals.fpdtpath, os.R_OK)):
+                if(output):
+                        doError('file isnt readable: %s' % sysvals.fpdtpath, False)
+                return False
+        if(not os.path.exists(sysvals.mempath)):
+                if(output):
+                        doError('file doesnt exist: %s' % sysvals.mempath, False)
+                return False
+        if(not os.access(sysvals.mempath, os.R_OK)):
+                if(output):
+                        doError('file isnt readable: %s' % sysvals.mempath, False)
+                return False
+
+        fp = open(sysvals.fpdtpath, 'rb')
+        buf = fp.read()
+        fp.close()
+
+        if(len(buf) < 36):
+                if(output):
+                        doError('Invalid FPDT table data, should '+\
+                                'be at least 36 bytes', False)
+                return False
+
+        table = struct.unpack('4sIBB6s8sI4sI', buf[0:36])
+        if(output):
+                print('')
+                print('Firmware Performance Data Table (%s)' % table[0])
+                print('                  Signature : %s' % table[0])
+                print('               Table Length : %u' % table[1])
+                print('                   Revision : %u' % table[2])
+                print('                   Checksum : 0x%x' % table[3])
+                print('                     OEM ID : %s' % table[4])
+                print('               OEM Table ID : %s' % table[5])
+                print('               OEM Revision : %u' % table[6])
+                print('                 Creator ID : %s' % table[7])
+                print('           Creator Revision : 0x%x' % table[8])
+                print('')
+
+        if(table[0] != 'FPDT'):
+                if(output):
+                        doError('Invalid FPDT table')
+                return False
+        if(len(buf) <= 36):
+                return False
+        i = 0
+        fwData = [0, 0]
+        records = buf[36:]
+        fp = open(sysvals.mempath, 'rb')
+        while(i < len(records)):
+                header = struct.unpack('HBB', records[i:i+4])
+                if(header[0] not in rectype):
+                        continue
+                if(header[1] != 16):
+                        continue
+                addr = struct.unpack('Q', records[i+8:i+16])[0]
+                try:
+                        fp.seek(addr)
+                        first = fp.read(8)
+                except:
+                        doError('Bad address 0x%x in %s' % (addr, sysvals.mempath), False)
+                rechead = struct.unpack('4sI', first)
+                recdata = fp.read(rechead[1]-8)
+                if(rechead[0] == 'FBPT'):
+                        record = struct.unpack('HBBIQQQQQ', recdata)
+                        if(output):
+                                print('%s (%s)' % (rectype[header[0]], rechead[0]))
+                                print('                  Reset END : %u ns' % record[4])
+                                print('  OS Loader LoadImage Start : %u ns' % record[5])
+                                print(' OS Loader StartImage Start : %u ns' % record[6])
+                                print('     ExitBootServices Entry : %u ns' % record[7])
+                                print('      ExitBootServices Exit : %u ns' % record[8])
+                elif(rechead[0] == 'S3PT'):
+                        if(output):
+                                print('%s (%s)' % (rectype[header[0]], rechead[0]))
+                        j = 0
+                        while(j < len(recdata)):
+                                prechead = struct.unpack('HBB', recdata[j:j+4])
+                                if(prechead[0] not in prectype):
+                                        continue
+                                if(prechead[0] == 0):
+                                        record = struct.unpack('IIQQ', recdata[j:j+prechead[1]])
+                                        fwData[1] = record[2]
+                                        if(output):
+                                                print('    %s' % prectype[prechead[0]])
+                                                print('               Resume Count : %u' % \
+                                                        record[1])
+                                                print('                 FullResume : %u ns' % \
+                                                        record[2])
+                                                print('              AverageResume : %u ns' % \
+                                                        record[3])
+                                elif(prechead[0] == 1):
+                                        record = struct.unpack('QQ', recdata[j+4:j+prechead[1]])
+                                        fwData[0] = record[1] - record[0]
+                                        if(output):
+                                                print('    %s' % prectype[prechead[0]])
+                                                print('               SuspendStart : %u ns' % \
+                                                        record[0])
+                                                print('                 SuspendEnd : %u ns' % \
+                                                        record[1])
+                                                print('                SuspendTime : %u ns' % \
+                                                        fwData[0])
+                                j += prechead[1]
+                if(output):
+                        print('')
+                i += header[1]
+        fp.close()
+        return fwData
+
 # Function: statusCheck
 # Description:
-#        Verify that the requested command and options will work
-def statusCheck(dryrun):
-        global sysvals, data
-        res = dict()
+#        Verify that the requested command and options will work, and
+#        print the results to the terminal
+# Output:
+#        True if the test will work, False if not
+def statusCheck():
+        global sysvals
+        status = True
 
-        if(data.notestrun):
-                print("SUCCESS: The command should run!")
-                return
+        if(sysvals.android):
+                print('Checking the android system ...')
+        else:
+                print('Checking this system (%s)...' % platform.node())
+
+        # check if adb is connected to a device
+        if(sysvals.android):
+                res = 'NO'
+                out = os.popen(sysvals.adb+' get-state').read().strip()
+                if(out == 'device'):
+                        res = 'YES'
+                print('    is android device connected: %s' % res)
+                if(res != 'YES'):
+                        print('    Please connect the device before using this tool')
+                        return False
 
         # check we have root access
-        check = "YES"
-        if(os.environ['USER'] != "root"):
-                if(not dryrun):
-                        doError("root access is required", False)
-                check = "NO"
-        res["    have root access:     "] = check
+        res = 'NO (No features of this tool will work!)'
+        if(sysvals.android):
+                out = os.popen(sysvals.adb+' shell id').read().strip()
+                if('root' in out):
+                        res = 'YES'
+        else:
+                if(os.environ['USER'] == 'root'):
+                        res = 'YES'
+        print('    have root access: %s' % res)
+        if(res != 'YES'):
+                if(sysvals.android):
+                        print('    Try running "adb root" to restart the daemon as root')
+                else:
+                        print('    Try running this script with sudo')
+                return False
 
         # check sysfs is mounted
-        check = "YES"
-        if(not os.path.exists(sysvals.powerfile)):
-                if(not dryrun):
-                        doError("sysfs must be mounted", False)
-                check = "NO"
-        res["    is sysfs mounted:     "] = check
+        res = 'NO (No features of this tool will work!)'
+        if(sysvals.android):
+                out = os.popen(sysvals.adb+' shell ls '+\
+                        sysvals.powerfile).read().strip()
+                if(out == sysvals.powerfile):
+                        res = 'YES'
+        else:
+                if(os.path.exists(sysvals.powerfile)):
+                        res = 'YES'
+        print('    is sysfs mounted: %s' % res)
+        if(res != 'YES'):
+                return False
 
         # check target mode is a valid mode
-        check = "YES"
+        res = 'NO'
         modes = getModes()
-        if(sysvals.suspendmode not in modes):
-                if(not dryrun):
-                        doError("%s is not a value power mode" % sysvals.suspendmode, False)
-                check = "NO"
-        res["    is "+sysvals.suspendmode+" a power mode: "] = check
+        if(sysvals.suspendmode in modes):
+                res = 'YES'
+        else:
+                status = False
+        print('    is "%s" a valid power mode: %s' % (sysvals.suspendmode, res))
+        if(res == 'NO'):
+                print('      valid power modes are: %s' % modes)
+                print('      please choose one with -m')
+
+        # check if the tool can unlock the device
+        if(sysvals.android):
+                res = 'YES'
+                out1 = os.popen(sysvals.adb+\
+                        ' shell dumpsys power | grep mScreenOn').read().strip()
+                out2 = os.popen(sysvals.adb+\
+                        ' shell input').read().strip()
+                if(not out1.startswith('mScreenOn') or not out2.startswith('usage')):
+                        res = 'NO (wake the android device up before running the test)'
+                print('    can I unlock the screen: %s' % res)
 
         # check if ftrace is available
-        if(data.useftrace):
-                check = "YES"
-                if(not verifyFtrace()):
-                        if(not dryrun):
-                                doError("ftrace is not configured", False)
-                        check = "NO"
-                res["    is ftrace usable:     "] = check
+        res = 'NO'
+        ftgood = verifyFtrace()
+        if(ftgood):
+                res = 'YES'
+        elif(sysvals.usecallgraph):
+                status = False
+        print('    is ftrace supported: %s' % res)
+
+        # what data source are we using
+        res = 'DMESG'
+        if(ftgood):
+                sysvals.usetraceeventsonly = True
+                sysvals.usetraceevents = False
+                for e in sysvals.traceevents:
+                        check = False
+                        if(sysvals.android):
+                                out = os.popen(sysvals.adb+' shell ls -d '+\
+                                        sysvals.epath+e).read().strip()
+                                if(out == sysvals.epath+e):
+                                        check = True
+                        else:
+                                if(os.path.exists(sysvals.epath+e)):
+                                        check = True
+                        if(not check):
+                                sysvals.usetraceeventsonly = False
+                        if(e == 'suspend_resume' and check):
+                                sysvals.usetraceevents = True
+                if(sysvals.usetraceevents and sysvals.usetraceeventsonly):
+                        res = 'FTRACE (all trace events found)'
+                elif(sysvals.usetraceevents):
+                        res = 'DMESG and FTRACE (suspend_resume trace event found)'
+        print('    timeline data source: %s' % res)
 
         # check if rtcwake
-        if(sysvals.rtcwake):
-                check = "YES"
-                version = os.popen("rtcwake -V 2>/dev/null").read()
-                if(not version.startswith("rtcwake")):
-                        if(not dryrun):
-                                doError("rtcwake is not installed", False)
-                        check = "NO"
-                res["    is rtcwake usable:    "] = check
-
-        if(dryrun):
-                status = True
-                print("Checking if system can run the current command:")
-                for r in res:
-                        print("%s\t%s" % (r, res[r]))
-                        if(res[r] != "YES"):
-                                status = False
-                if(status):
-                        print("SUCCESS: The command should run!")
-                else:
-                        print("FAILURE: The command won't run!")
+        res = 'NO'
+        if(sysvals.rtcpath != ''):
+                res = 'YES'
+        elif(sysvals.rtcwake):
+                status = False
+        print('    is rtcwake supported: %s' % res)
 
-def printHelp():
-        global sysvals
-        modes = getModes()
-
-        print("")
-        print("AnalyzeSuspend")
-        print("Usage: sudo analyze_suspend.py <options>")
-        print("")
-        print("Description:")
-        print("  Initiates a system suspend/resume while capturing dmesg")
-        print("  and (optionally) ftrace data to analyze device timing")
-        print("")
-        print("  Generates output files in subdirectory: suspend-mmddyy-HHMMSS")
-        print("   HTML output:                    <hostname>_<mode>.html")
-        print("   raw dmesg output:               <hostname>_<mode>_dmesg.txt")
-        print("   raw ftrace output (with -f):    <hostname>_<mode>_ftrace.txt")
-        print("")
-        print("Options:")
-        print("  [general]")
-        print("    -h        Print this help text")
-        print("    -verbose  Print extra information during execution and analysis")
-        print("    -status   Test to see if the system is enabled to run this tool")
-        print("    -modes    List available suspend modes")
-        print("    -m mode   Mode to initiate for suspend %s (default: %s)") % (modes, sysvals.suspendmode)
-        print("    -rtcwake  Use rtcwake to autoresume after 10 seconds (default: disabled)")
-        print("    -f        Use ftrace to create device callgraphs (default: disabled)")
-        print("  [re-analyze data from previous runs]")
-        print("    -dmesg dmesgfile      Create HTML timeline from dmesg file")
-        print("    -ftrace ftracefile    Create HTML callgraph from ftrace file")
-        print("")
-        return True
+        return status
 
+# Function: doError
+# Description:
+#        generic error function for catastrphic failures
+# Arguments:
+#        msg: the error message to print
+#        help: True if printHelp should be called after, False otherwise
 def doError(msg, help):
-        print("ERROR: %s") % msg
         if(help == True):
                 printHelp()
+        print('ERROR: %s\n') % msg
         sys.exit()
 
-# -- script main --
-# loop through the command line arguments
-cmd = ""
-args = iter(sys.argv[1:])
-for arg in args:
-        if(arg == "-m"):
-                try:
-                        val = args.next()
-                except:
-                        doError("No mode supplied", True)
-                sysvals.suspendmode = val
-        elif(arg == "-f"):
-                data.useftrace = True
-        elif(arg == "-modes"):
-                cmd = "modes"
-        elif(arg == "-status"):
-                cmd = "status"
-        elif(arg == "-verbose"):
-                data.verbose = True
-        elif(arg == "-rtcwake"):
-                sysvals.rtcwake = True
-        elif(arg == "-dmesg"):
-                try:
-                        val = args.next()
-                except:
-                        doError("No dmesg file supplied", True)
-                data.notestrun = True
-                data.usedmesg = True
-                sysvals.dmesgfile = val
-        elif(arg == "-ftrace"):
-                try:
-                        val = args.next()
-                except:
-                        doError("No ftrace file supplied", True)
-                data.notestrun = True
-                data.useftrace = True
-                sysvals.ftracefile = val
-        elif(arg == "-h"):
-                printHelp()
-                sys.exit()
-        else:
-                doError("Invalid argument: "+arg, True)
-
-# just run a utility command and exit
-if(cmd != ""):
-        if(cmd == "status"):
-                statusCheck(True)
-        elif(cmd == "modes"):
-                modes = getModes()
-                print modes
-        sys.exit()
+# Function: doWarning
+# Description:
+#        generic warning function for non-catastrophic anomalies
+# Arguments:
+#        msg: the warning message to print
+#        file: If not empty, a filename to request be sent to the owner for debug
+def doWarning(msg, file):
+        print('/* %s */') % msg
+        if(file):
+                print('/* For a fix, please send this'+\
+                        ' %s file to <todd.e.brandt@intel.com> */' % file)
+
+# Function: rootCheck
+# Description:
+#        quick check to see if we have root access
+def rootCheck():
+        if(os.environ['USER'] != 'root'):
+                doError('This script must be run as root', False)
 
-data.initialize()
+# Function: getArgInt
+# Description:
+#        pull out an integer argument from the command line with checks
+def getArgInt(name, args, min, max):
+        try:
+                arg = args.next()
+        except:
+                doError(name+': no argument supplied', True)
+        try:
+                val = int(arg)
+        except:
+                doError(name+': non-integer value given', True)
+        if(val < min or val > max):
+                doError(name+': value should be between %d and %d' % (min, max), True)
+        return val
+
+# Function: rerunTest
+# Description:
+#        generate an output from an existing set of ftrace/dmesg logs
+def rerunTest():
+        global sysvals
 
-# if instructed, re-analyze existing data files
-if(data.notestrun):
+        if(sysvals.ftracefile != ''):
+                doesTraceLogHaveTraceEvents()
+        if(sysvals.dmesgfile == '' and not sysvals.usetraceeventsonly):
+                doError('recreating this html output '+\
+                        'requires a dmesg file', False)
         sysvals.setOutputFile()
-        data.vprint("Output file: %s" % sysvals.htmlfile)
-        if(sysvals.dmesgfile != ""):
-                analyzeKernelLog()
-        if(sysvals.ftracefile != ""):
-                analyzeTraceLog()
-        createHTML()
-        sys.exit()
+        vprint('Output file: %s' % sysvals.htmlfile)
+        print('PROCESSING DATA')
+        if(sysvals.usetraceeventsonly):
+                testruns = parseTraceLog()
+        else:
+                testruns = loadKernelLog()
+                for data in testruns:
+                        parseKernelLog(data)
+                if(sysvals.ftracefile != ''):
+                        appendIncompleteTraceLog(testruns)
+        createHTML(testruns)
+
+# Function: runTest
+# Description:
+#        execute a suspend/resume, gather the logs, and generate the output
+def runTest(subdir):
+        global sysvals
+
+        # prepare for the test
+        if(not sysvals.android):
+                initFtrace()
+        else:
+                initFtraceAndroid()
+        sysvals.initTestOutput(subdir)
+
+        vprint('Output files:\n    %s' % sysvals.dmesgfile)
+        if(sysvals.usecallgraph or
+                sysvals.usetraceevents or
+                sysvals.usetraceeventsonly):
+                vprint('    %s' % sysvals.ftracefile)
+        vprint('    %s' % sysvals.htmlfile)
+
+        # execute the test
+        if(not sysvals.android):
+                executeSuspend()
+        else:
+                executeAndroidSuspend()
+
+        # analyze the data and create the html output
+        print('PROCESSING DATA')
+        if(sysvals.usetraceeventsonly):
+                # data for kernels 3.15 or newer is entirely in ftrace
+                testruns = parseTraceLog()
+        else:
+                # data for kernels older than 3.15 is primarily in dmesg
+                testruns = loadKernelLog()
+                for data in testruns:
+                        parseKernelLog(data)
+                if(sysvals.usecallgraph or sysvals.usetraceevents):
+                        appendIncompleteTraceLog(testruns)
+        createHTML(testruns)
+
+# Function: runSummary
+# Description:
+#        create a summary of tests in a sub-directory
+def runSummary(subdir, output):
+        global sysvals
+
+        # get a list of ftrace output files
+        files = []
+        for dirname, dirnames, filenames in os.walk(subdir):
+                for filename in filenames:
+                        if(re.match('.*_ftrace.txt', filename)):
+                                files.append("%s/%s" % (dirname, filename))
+
+        # process the files in order and get an array of data objects
+        testruns = []
+        for file in sorted(files):
+                if output:
+                        print("Test found in %s" % os.path.dirname(file))
+                sysvals.ftracefile = file
+                sysvals.dmesgfile = file.replace('_ftrace.txt', '_dmesg.txt')
+                doesTraceLogHaveTraceEvents()
+                sysvals.usecallgraph = False
+                if not sysvals.usetraceeventsonly:
+                        if(not os.path.exists(sysvals.dmesgfile)):
+                                print("Skipping %s: not a valid test input" % file)
+                                continue
+                        else:
+                                if output:
+                                        f = os.path.basename(sysvals.ftracefile)
+                                        d = os.path.basename(sysvals.dmesgfile)
+                                        print("\tInput files: %s and %s" % (f, d))
+                                testdata = loadKernelLog()
+                                data = testdata[0]
+                                parseKernelLog(data)
+                                testdata = [data]
+                                appendIncompleteTraceLog(testdata)
+                else:
+                        if output:
+                                print("\tInput file: %s" % os.path.basename(sysvals.ftracefile))
+                        testdata = parseTraceLog()
+                        data = testdata[0]
+                data.normalizeTime(data.tSuspended)
+                link = file.replace(subdir+'/', '').replace('_ftrace.txt', '.html')
+                data.outfile = link
+                testruns.append(data)
+
+        createHTMLSummarySimple(testruns, subdir+'/summary.html')
+
+# Function: printHelp
+# Description:
+#        print out the help text
+def printHelp():
+        global sysvals
+        modes = getModes()
+
+        print('')
+        print('AnalyzeSuspend v%.1f' % sysvals.version)
+        print('Usage: sudo analyze_suspend.py <options>')
+        print('')
+        print('Description:')
+        print('  This tool is designed to assist kernel and OS developers in optimizing')
+        print('  their linux stack\'s suspend/resume time. Using a kernel image built')
+        print('  with a few extra options enabled, the tool will execute a suspend and')
+        print('  capture dmesg and ftrace data until resume is complete. This data is')
+        print('  transformed into a device timeline and an optional callgraph to give')
+        print('  a detailed view of which devices/subsystems are taking the most')
+        print('  time in suspend/resume.')
+        print('')
+        print('  Generates output files in subdirectory: suspend-mmddyy-HHMMSS')
+        print('   HTML output:                    <hostname>_<mode>.html')
+        print('   raw dmesg output:               <hostname>_<mode>_dmesg.txt')
+        print('   raw ftrace output:              <hostname>_<mode>_ftrace.txt')
+        print('')
+        print('Options:')
+        print('  [general]')
+        print('    -h          Print this help text')
+        print('    -v          Print the current tool version')
+        print('    -verbose    Print extra information during execution and analysis')
+        print('    -status     Test to see if the system is enabled to run this tool')
+        print('    -modes      List available suspend modes')
+        print('    -m mode     Mode to initiate for suspend %s (default: %s)') % (modes, sysvals.suspendmode)
+        print('    -rtcwake t  Use rtcwake to autoresume after <t> seconds (default: disabled)')
+        print('  [advanced]')
+        print('    -f          Use ftrace to create device callgraphs (default: disabled)')
+        print('    -filter "d1 d2 ..." Filter out all but this list of dev names')
+        print('    -x2         Run two suspend/resumes back to back (default: disabled)')
+        print('    -x2delay t  Minimum millisecond delay <t> between the two test runs (default: 0 ms)')
+        print('    -postres t  Time after resume completion to wait for post-resume events (default: 0 S)')
+        print('    -multi n d  Execute <n> consecutive tests at <d> seconds intervals. The outputs will')
+        print('                be created in a new subdirectory with a summary page.')
+        print('  [utilities]')
+        print('    -fpdt       Print out the contents of the ACPI Firmware Performance Data Table')
+        print('    -usbtopo    Print out the current USB topology with power info')
+        print('    -usbauto    Enable autosuspend for all connected USB devices')
+        print('  [android testing]')
+        print('    -adb binary Use the given adb binary to run the test on an android device.')
+        print('                The device should already be connected and with root access.')
+        print('                Commands will be executed on the device using "adb shell"')
+        print('  [re-analyze data from previous runs]')
+        print('    -ftrace ftracefile  Create HTML output using ftrace input')
+        print('    -dmesg dmesgfile    Create HTML output using dmesg (not needed for kernel >= 3.15)')
+        print('    -summary directory  Create a summary of all test in this dir')
+        print('')
+        return True
 
-# verify that we can run a test
-data.usedmesg = True
-statusCheck(False)
-
-# prepare for the test
-if(data.useftrace):
-        initFtrace()
-sysvals.initTestOutput()
-
-data.vprint("Output files:\n    %s" % sysvals.dmesgfile)
-if(data.useftrace):
-        data.vprint("    %s" % sysvals.ftracefile)
-data.vprint("    %s" % sysvals.htmlfile)
-
-# execute the test
-executeSuspend()
-analyzeKernelLog()
-if(data.useftrace):
-        analyzeTraceLog()
-createHTML()
+# ----------------- MAIN --------------------
+# exec start (skipped if script is loaded as library)
+if __name__ == '__main__':
+        cmd = ''
+        cmdarg = ''
+        multitest = {'run': False, 'count': 0, 'delay': 0}
+        # loop through the command line arguments
+        args = iter(sys.argv[1:])
+        for arg in args:
+                if(arg == '-m'):
+                        try:
+                                val = args.next()
+                        except:
+                                doError('No mode supplied', True)
+                        sysvals.suspendmode = val
+                elif(arg == '-adb'):
+                        try:
+                                val = args.next()
+                        except:
+                                doError('No adb binary supplied', True)
+                        if(not os.path.exists(val)):
+                                doError('file doesnt exist: %s' % val, False)
+                        if(not os.access(val, os.X_OK)):
+                                doError('file isnt executable: %s' % val, False)
+                        try:
+                                check = os.popen(val+' version').read().strip()
+                        except:
+                                doError('adb version failed to execute', False)
+                        if(not re.match('Android Debug Bridge .*', check)):
+                                doError('adb version failed to execute', False)
+                        sysvals.adb = val
+                        sysvals.android = True
+                elif(arg == '-x2'):
+                        if(sysvals.postresumetime > 0):
+                                doError('-x2 is not compatible with -postres', False)
+                        sysvals.execcount = 2
+                elif(arg == '-x2delay'):
+                        sysvals.x2delay = getArgInt('-x2delay', args, 0, 60000)
+                elif(arg == '-postres'):
+                        if(sysvals.execcount != 1):
+                                doError('-x2 is not compatible with -postres', False)
+                        sysvals.postresumetime = getArgInt('-postres', args, 0, 3600)
+                elif(arg == '-f'):
+                        sysvals.usecallgraph = True
+                elif(arg == '-modes'):
+                        cmd = 'modes'
+                elif(arg == '-fpdt'):
+                        cmd = 'fpdt'
+                elif(arg == '-usbtopo'):
+                        cmd = 'usbtopo'
+                elif(arg == '-usbauto'):
+                        cmd = 'usbauto'
+                elif(arg == '-status'):
+                        cmd = 'status'
+                elif(arg == '-verbose'):
+                        sysvals.verbose = True
+                elif(arg == '-v'):
+                        print("Version %.1f" % sysvals.version)
+                        sys.exit()
+                elif(arg == '-rtcwake'):
+                        sysvals.rtcwake = True
+                        sysvals.rtcwaketime = getArgInt('-rtcwake', args, 0, 3600)
+                elif(arg == '-multi'):
+                        multitest['run'] = True
+                        multitest['count'] = getArgInt('-multi n (exec count)', args, 2, 1000000)
+                        multitest['delay'] = getArgInt('-multi d (delay between tests)', args, 0, 3600)
+                elif(arg == '-dmesg'):
+                        try:
+                                val = args.next()
+                        except:
+                                doError('No dmesg file supplied', True)
+                        sysvals.notestrun = True
+                        sysvals.dmesgfile = val
+                        if(os.path.exists(sysvals.dmesgfile) == False):
+                                doError('%s doesnt exist' % sysvals.dmesgfile, False)
+                elif(arg == '-ftrace'):
+                        try:
+                                val = args.next()
+                        except:
+                                doError('No ftrace file supplied', True)
+                        sysvals.notestrun = True
+                        sysvals.usecallgraph = True
+                        sysvals.ftracefile = val
+                        if(os.path.exists(sysvals.ftracefile) == False):
+                                doError('%s doesnt exist' % sysvals.ftracefile, False)
+                elif(arg == '-summary'):
+                        try:
+                                val = args.next()
+                        except:
+                                doError('No directory supplied', True)
+                        cmd = 'summary'
+                        cmdarg = val
+                        sysvals.notestrun = True
+                        if(os.path.isdir(val) == False):
+                                doError('%s isnt accesible' % val, False)
+                elif(arg == '-filter'):
+                        try:
+                                val = args.next()
+                        except:
+                                doError('No devnames supplied', True)
+                        sysvals.setDeviceFilter(val)
+                elif(arg == '-h'):
+                        printHelp()
+                        sys.exit()
+                else:
+                        doError('Invalid argument: '+arg, True)
+
+        # just run a utility command and exit
+        if(cmd != ''):
+                if(cmd == 'status'):
+                        statusCheck()
+                elif(cmd == 'fpdt'):
+                        if(sysvals.android):
+                                doError('cannot read FPDT on android device', False)
+                        getFPDT(True)
+                elif(cmd == 'usbtopo'):
+                        if(sysvals.android):
+                                doError('cannot read USB topology '+\
+                                        'on an android device', False)
+                        detectUSB(True)
+                elif(cmd == 'modes'):
+                        modes = getModes()
+                        print modes
+                elif(cmd == 'usbauto'):
+                        setUSBDevicesAuto()
+                elif(cmd == 'summary'):
+                        print("Generating a summary of folder \"%s\"" % cmdarg)
+                        runSummary(cmdarg, True)
+                sys.exit()
+
+        # run test on android device
+        if(sysvals.android):
+                if(sysvals.usecallgraph):
+                        doError('ftrace (-f) is not yet supported '+\
+                                'in the android kernel', False)
+                if(sysvals.notestrun):
+                        doError('cannot analyze test files on the '+\
+                                'android device', False)
+
+        # if instructed, re-analyze existing data files
+        if(sysvals.notestrun):
+                rerunTest()
+                sys.exit()
+
+        # verify that we can run a test
+        if(not statusCheck()):
+                print('Check FAILED, aborting the test run!')
+                sys.exit()
+
+        if multitest['run']:
+                # run multiple tests in a separte subdirectory
+                s = 'x%d' % multitest['count']
+                subdir = datetime.now().strftime('suspend-'+s+'-%m%d%y-%H%M%S')
+                os.mkdir(subdir)
+                for i in range(multitest['count']):
+                        if(i != 0):
+                                print('Waiting %d seconds...' % (multitest['delay']))
+                                time.sleep(multitest['delay'])
+                        print('TEST (%d/%d) START' % (i+1, multitest['count']))
+                        runTest(subdir)
+                        print('TEST (%d/%d) COMPLETE' % (i+1, multitest['count']))
+                runSummary(subdir, False)
+        else:
+                # run the test in the current directory
+                runTest(".")
diff --git a/scripts/basic/.gitignore b/scripts/basic/.gitignore
index a776371a3502..9528ec9e5adc 100644
--- a/scripts/basic/.gitignore
+++ b/scripts/basic/.gitignore
@@ -1 +1,2 @@
 fixdep
+bin2c
diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile
index 4fcef87bb875..ec10d9345bc2 100644
--- a/scripts/basic/Makefile
+++ b/scripts/basic/Makefile
@@ -9,6 +9,7 @@
 # fixdep:        Used to generate dependency information during build process
 
 hostprogs-y     := fixdep
+hostprogs-$(CONFIG_BUILD_BIN2C)     += bin2c
 always          := $(hostprogs-y)
 
 # fixdep is needed to compile other host programs
diff --git a/scripts/bin2c.c b/scripts/basic/bin2c.c
index 96dd2bcbb407..af187e695345 100644
--- a/scripts/bin2c.c
+++ b/scripts/basic/bin2c.c
@@ -11,7 +11,7 @@
 
 int main(int argc, char *argv[])
 {
-        int ch, total=0;
+        int ch, total = 0;
 
         if (argc > 1)
                 printf("const char %s[] %s=\n",
@@ -19,10 +19,9 @@ int main(int argc, char *argv[])
 
         do {
                 printf("\t\"");
-                while ((ch = getchar()) != EOF)
-                {
+                while ((ch = getchar()) != EOF) {
                         total++;
-                        printf("\\x%02x",ch);
+                        printf("\\x%02x", ch);
                         if (total % 16 == 0)
                                 break;
                 }
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index 549d0ab8c662..23e78dcd12bf 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -20,6 +20,8 @@ def getsizes(file):
         if type in "tTdDbBrR":
             # strip generated symbols
             if name.startswith("__mod_"): continue
+            if name.startswith("SyS_"): continue
+            if name.startswith("compat_SyS_"): continue
             if name == "linux_banner": continue
             # statics and some other optimizations adds random .NUMBER
             name = re.sub(r'\.[0-9]+', '', name)
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 9ca667bcaee9..9ca667bcaee9 100644..100755
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 182be0f12407..374abf443636 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -9,7 +9,8 @@ use strict;
 use POSIX;
 
 my $P = $0;
-$P =~ s@.*/@@g;
+$P =~ s@(.*)/@@g;
+my $D = $1;
 
 my $V = '0.32';
 
@@ -43,6 +44,8 @@ my $configuration_file = ".checkpatch.conf";
 my $max_line_length = 80;
 my $ignore_perl_version = 0;
 my $minimum_perl_version = 5.10.0;
+my $min_conf_desc_length = 4;
+my $spelling_file = "$D/spelling.txt";
 
 sub help {
         my ($exitcode) = @_;
@@ -63,6 +66,7 @@ Options:
   --types TYPE(,TYPE2...)    show only these comma separated message types
   --ignore TYPE(,TYPE2...)   ignore various comma separated message types
   --max-line-length=n        set the maximum line length, if exceeded, warn
+  --min-conf-desc-length=n   set the min description length, if shorter, warn
   --show-types               show the message "types" in the output
   --root=PATH                PATH to the kernel tree root
   --no-summary               suppress the per-file summary
@@ -131,6 +135,7 @@ GetOptions(
         'types=s'       => \@use,
         'show-types!'   => \$show_types,
         'max-line-length=i' => \$max_line_length,
+        'min-conf-desc-length=i' => \$min_conf_desc_length,
         'root=s'        => \$root,
         'summary!'      => \$summary,
         'mailback!'     => \$mailback,
@@ -309,9 +314,12 @@ our $Operators	= qr{
 our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x;
 
 our $NonptrType;
+our $NonptrTypeMisordered;
 our $NonptrTypeWithAttr;
 our $Type;
+our $TypeMisordered;
 our $Declare;
+our $DeclareMisordered;
 
 our $NON_ASCII_UTF8     = qr{
         [\xC2-\xDF][\x80-\xBF]               # non-overlong 2-byte
@@ -353,16 +361,36 @@ our $signature_tags = qr{(?xi:
         Cc:
 )};
 
+our @typeListMisordered = (
+        qr{char\s+(?:un)?signed},
+        qr{int\s+(?:(?:un)?signed\s+)?short\s},
+        qr{int\s+short(?:\s+(?:un)?signed)},
+        qr{short\s+int(?:\s+(?:un)?signed)},
+        qr{(?:un)?signed\s+int\s+short},
+        qr{short\s+(?:un)?signed},
+        qr{long\s+int\s+(?:un)?signed},
+        qr{int\s+long\s+(?:un)?signed},
+        qr{long\s+(?:un)?signed\s+int},
+        qr{int\s+(?:un)?signed\s+long},
+        qr{int\s+(?:un)?signed},
+        qr{int\s+long\s+long\s+(?:un)?signed},
+        qr{long\s+long\s+int\s+(?:un)?signed},
+        qr{long\s+long\s+(?:un)?signed\s+int},
+        qr{long\s+long\s+(?:un)?signed},
+        qr{long\s+(?:un)?signed},
+);
+
 our @typeList = (
         qr{void},
-        qr{(?:unsigned\s+)?char},
-        qr{(?:unsigned\s+)?short},
-        qr{(?:unsigned\s+)?int},
-        qr{(?:unsigned\s+)?long},
-        qr{(?:unsigned\s+)?long\s+int},
-        qr{(?:unsigned\s+)?long\s+long},
-        qr{(?:unsigned\s+)?long\s+long\s+int},
-        qr{unsigned},
+        qr{(?:(?:un)?signed\s+)?char},
+        qr{(?:(?:un)?signed\s+)?short\s+int},
+        qr{(?:(?:un)?signed\s+)?short},
+        qr{(?:(?:un)?signed\s+)?int},
+        qr{(?:(?:un)?signed\s+)?long\s+int},
+        qr{(?:(?:un)?signed\s+)?long\s+long\s+int},
+        qr{(?:(?:un)?signed\s+)?long\s+long},
+        qr{(?:(?:un)?signed\s+)?long},
+        qr{(?:un)?signed},
         qr{float},
         qr{double},
         qr{bool},
@@ -372,6 +400,7 @@ our @typeList = (
         qr{${Ident}_t},
         qr{${Ident}_handler},
         qr{${Ident}_handler_fn},
+        @typeListMisordered,
 );
 our @typeListWithAttr = (
         @typeList,
@@ -399,20 +428,41 @@ foreach my $entry (@mode_permission_funcs) {
         $mode_perms_search .= $entry->[0];
 }
 
-our $declaration_macros = qr{(?x:
-        (?:$Storage\s+)?(?:DECLARE|DEFINE)_[A-Z]+\s*\(|
-        (?:$Storage\s+)?LIST_HEAD\s*\(
-)};
-
 our $allowed_asm_includes = qr{(?x:
         irq|
-        memory
+        memory|
+        time|
+        reboot
 )};
 # memory.h: ARM has a custom one
 
+# Load common spelling mistakes and build regular expression list.
+my $misspellings;
+my @spelling_list;
+my %spelling_fix;
+open(my $spelling, '<', $spelling_file)
+    or die "$P: Can't open $spelling_file for reading: $!\n";
+while (<$spelling>) {
+        my $line = $_;
+
+        $line =~ s/\s*\n?$//g;
+        $line =~ s/^\s*//g;
+
+        next if ($line =~ m/^\s*#/);
+        next if ($line =~ m/^\s*$/);
+
+        my ($suspect, $fix) = split(/\|\|/, $line);
+
+        push(@spelling_list, $suspect);
+        $spelling_fix{$suspect} = $fix;
+}
+close($spelling);
+$misspellings = join("|", @spelling_list);
+
 sub build_types {
         my $mods = "(?x:  \n" . join("|\n  ", @modifierList) . "\n)";
         my $all = "(?x:  \n" . join("|\n  ", @typeList) . "\n)";
+        my $Misordered = "(?x:  \n" . join("|\n  ", @typeListMisordered) . "\n)";
         my $allWithAttr = "(?x:  \n" . join("|\n  ", @typeListWithAttr) . "\n)";
         $Modifier       = qr{(?:$Attribute|$Sparse|$mods)};
         $NonptrType     = qr{
@@ -424,6 +474,13 @@ sub build_types {
                         )
                         (?:\s+$Modifier|\s+const)*
                   }x;
+        $NonptrTypeMisordered   = qr{
+                        (?:$Modifier\s+|const\s+)*
+                        (?:
+                                (?:${Misordered}\b)
+                        )
+                        (?:\s+$Modifier|\s+const)*
+                  }x;
         $NonptrTypeWithAttr     = qr{
                         (?:$Modifier\s+|const\s+)*
                         (?:
@@ -435,10 +492,16 @@ sub build_types {
                   }x;
         $Type   = qr{
                         $NonptrType
-                        (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*|\[\])+|(?:\s*\[\s*\])+)?
+                        (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*\s*(?:const\s*)?|\[\])+|(?:\s*\[\s*\])+)?
+                        (?:\s+$Inline|\s+$Modifier)*
+                  }x;
+        $TypeMisordered = qr{
+                        $NonptrTypeMisordered
+                        (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*\s*(?:const\s*)?|\[\])+|(?:\s*\[\s*\])+)?
                         (?:\s+$Inline|\s+$Modifier)*
                   }x;
         $Declare        = qr{(?:$Storage\s+(?:$Inline\s+)?)?$Type};
+        $DeclareMisordered      = qr{(?:$Storage\s+(?:$Inline\s+)?)?$TypeMisordered};
 }
 build_types();
 
@@ -452,6 +515,12 @@ our $balanced_parens = qr/(\((?:[^\(\)]++|(?-1))*\))/;
 our $LvalOrFunc = qr{((?:[\&\*]\s*)?$Lval)\s*($balanced_parens{0,1})\s*};
 our $FuncArg = qr{$Typecast{0,1}($LvalOrFunc|$Constant)};
 
+our $declaration_macros = qr{(?x:
+        (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(?:_[A-Z0-9]+){1,2}\s*\(|
+        (?:$Storage\s+)?LIST_HEAD\s*\(|
+        (?:$Storage\s+)?${Type}\s+uninitialized_var\s*\(
+)};
+
 sub deparenthesize {
         my ($string) = @_;
         return "" if (!defined($string));
@@ -550,11 +619,43 @@ sub seed_camelcase_includes {
         }
 }
 
+sub git_commit_info {
+        my ($commit, $id, $desc) = @_;
+
+        return ($id, $desc) if ((which("git") eq "") || !(-e ".git"));
+
+        my $output = `git log --no-color --format='%H %s' -1 $commit 2>&1`;
+        $output =~ s/^\s*//gm;
+        my @lines = split("\n", $output);
+
+        if ($lines[0] =~ /^error: short SHA1 $commit is ambiguous\./) {
+# Maybe one day convert this block of bash into something that returns
+# all matching commit ids, but it's very slow...
+#
+#               echo "checking commits $1..."
+#               git rev-list --remotes | grep -i "^$1" |
+#               while read line ; do
+#                   git log --format='%H %s' -1 $line |
+#                   echo "commit $(cut -c 1-12,41-)"
+#               done
+        } elsif ($lines[0] =~ /^fatal: ambiguous argument '$commit': unknown revision or path not in the working tree\./) {
+        } else {
+                $id = substr($lines[0], 0, 12);
+                $desc = substr($lines[0], 41);
+        }
+
+        return ($id, $desc);
+}
+
 $chk_signoff = 0 if ($file);
 
 my @rawlines = ();
 my @lines = ();
 my @fixed = ();
+my @fixed_inserted = ();
+my @fixed_deleted = ();
+my $fixlinenr = -1;
+
 my $vname;
 for my $filename (@ARGV) {
         my $FILE;
@@ -583,6 +684,9 @@ for my $filename (@ARGV) {
         @rawlines = ();
         @lines = ();
         @fixed = ();
+        @fixed_inserted = ();
+        @fixed_deleted = ();
+        $fixlinenr = -1;
 }
 
 exit($exit);
@@ -674,6 +778,18 @@ sub format_email {
         return $formatted_email;
 }
 
+sub which {
+        my ($bin) = @_;
+
+        foreach my $path (split(/:/, $ENV{PATH})) {
+                if (-e "$path/$bin") {
+                        return "$path/$bin";
+                }
+        }
+
+        return "";
+}
+
 sub which_conf {
         my ($conf) = @_;
 
@@ -1483,6 +1599,90 @@ sub report_dump {
         our @report;
 }
 
+sub fixup_current_range {
+        my ($lineRef, $offset, $length) = @_;
+
+        if ($$lineRef =~ /^\@\@ -\d+,\d+ \+(\d+),(\d+) \@\@/) {
+                my $o = $1;
+                my $l = $2;
+                my $no = $o + $offset;
+                my $nl = $l + $length;
+                $$lineRef =~ s/\+$o,$l \@\@/\+$no,$nl \@\@/;
+        }
+}
+
+sub fix_inserted_deleted_lines {
+        my ($linesRef, $insertedRef, $deletedRef) = @_;
+
+        my $range_last_linenr = 0;
+        my $delta_offset = 0;
+
+        my $old_linenr = 0;
+        my $new_linenr = 0;
+
+        my $next_insert = 0;
+        my $next_delete = 0;
+
+        my @lines = ();
+
+        my $inserted = @{$insertedRef}[$next_insert++];
+        my $deleted = @{$deletedRef}[$next_delete++];
+
+        foreach my $old_line (@{$linesRef}) {
+                my $save_line = 1;
+                my $line = $old_line;   #don't modify the array
+                if ($line =~ /^(?:\+\+\+\|\-\-\-)\s+\S+/) {     #new filename
+                        $delta_offset = 0;
+                } elsif ($line =~ /^\@\@ -\d+,\d+ \+\d+,\d+ \@\@/) {    #new hunk
+                        $range_last_linenr = $new_linenr;
+                        fixup_current_range(\$line, $delta_offset, 0);
+                }
+
+                while (defined($deleted) && ${$deleted}{'LINENR'} == $old_linenr) {
+                        $deleted = @{$deletedRef}[$next_delete++];
+                        $save_line = 0;
+                        fixup_current_range(\$lines[$range_last_linenr], $delta_offset--, -1);
+                }
+
+                while (defined($inserted) && ${$inserted}{'LINENR'} == $old_linenr) {
+                        push(@lines, ${$inserted}{'LINE'});
+                        $inserted = @{$insertedRef}[$next_insert++];
+                        $new_linenr++;
+                        fixup_current_range(\$lines[$range_last_linenr], $delta_offset++, 1);
+                }
+
+                if ($save_line) {
+                        push(@lines, $line);
+                        $new_linenr++;
+                }
+
+                $old_linenr++;
+        }
+
+        return @lines;
+}
+
+sub fix_insert_line {
+        my ($linenr, $line) = @_;
+
+        my $inserted = {
+                LINENR => $linenr,
+                LINE => $line,
+        };
+        push(@fixed_inserted, $inserted);
+}
+
+sub fix_delete_line {
+        my ($linenr, $line) = @_;
+
+        my $deleted = {
+                LINENR => $linenr,
+                LINE => $line,
+        };
+
+        push(@fixed_deleted, $deleted);
+}
+
 sub ERROR {
         my ($type, $msg) = @_;
 
@@ -1637,11 +1837,13 @@ sub process {
         my $signoff = 0;
         my $is_patch = 0;
 
-        my $in_header_lines = 1;
+        my $in_header_lines = $file ? 0 : 1;
         my $in_commit_log = 0;          #Scanning lines before patch
-
+        my $reported_maintainer_file = 0;
         my $non_utf8_charset = 0;
 
+        my $last_blank_line = 0;
+
         our @report = ();
         our $cnt_lines = 0;
         our $cnt_error = 0;
@@ -1759,8 +1961,10 @@ sub process {
 
         $realcnt = 0;
         $linenr = 0;
+        $fixlinenr = -1;
         foreach my $line (@lines) {
                 $linenr++;
+                $fixlinenr++;
                 my $sline = $line;      #copy of $line
                 $sline =~ s/$;/ /g;     #with comments as spaces
 
@@ -1891,7 +2095,7 @@ sub process {
                                 if (WARN("BAD_SIGN_OFF",
                                          "Do not use whitespace before $ucfirst_sign_off\n" . $herecurr) &&
                                     $fix) {
-                                        $fixed[$linenr - 1] =
+                                        $fixed[$fixlinenr] =
                                             "$ucfirst_sign_off $email";
                                 }
                         }
@@ -1899,7 +2103,7 @@ sub process {
                                 if (WARN("BAD_SIGN_OFF",
                                          "'$ucfirst_sign_off' is the preferred signature form\n" . $herecurr) &&
                                     $fix) {
-                                        $fixed[$linenr - 1] =
+                                        $fixed[$fixlinenr] =
                                             "$ucfirst_sign_off $email";
                                 }
 
@@ -1908,7 +2112,7 @@ sub process {
                                 if (WARN("BAD_SIGN_OFF",
                                          "Use a single space after $ucfirst_sign_off\n" . $herecurr) &&
                                     $fix) {
-                                        $fixed[$linenr - 1] =
+                                        $fixed[$fixlinenr] =
                                             "$ucfirst_sign_off $email";
                                 }
                         }
@@ -1956,6 +2160,34 @@ sub process {
                               "Remove Gerrit Change-Id's before submitting upstream.\n" . $herecurr);
                 }
 
+# Check for improperly formed commit descriptions
+                if ($in_commit_log &&
+                    $line =~ /\bcommit\s+[0-9a-f]{5,}/i &&
+                    !($line =~ /\b[Cc]ommit [0-9a-f]{12,40} \("/ ||
+                      ($line =~ /\b[Cc]ommit [0-9a-f]{12,40}\s*$/ &&
+                       defined $rawlines[$linenr] &&
+                       $rawlines[$linenr] =~ /^\s*\("/))) {
+                        $line =~ /\b(c)ommit\s+([0-9a-f]{5,})/i;
+                        my $init_char = $1;
+                        my $orig_commit = lc($2);
+                        my $id = '01234567890ab';
+                        my $desc = 'commit description';
+                        ($id, $desc) = git_commit_info($orig_commit, $id, $desc);
+                        ERROR("GIT_COMMIT_ID",
+                              "Please use 12 or more chars for the git commit ID like: '${init_char}ommit $id (\"$desc\")'\n" . $herecurr);
+                }
+
+# Check for added, moved or deleted files
+                if (!$reported_maintainer_file && !$in_commit_log &&
+                    ($line =~ /^(?:new|deleted) file mode\s*\d+\s*$/ ||
+                     $line =~ /^rename (?:from|to) [\w\/\.\-]+\s*$/ ||
+                     ($line =~ /\{\s*([\w\/\.\-]*)\s*\=\>\s*([\w\/\.\-]*)\s*\}/ &&
+                      (defined($1) || defined($2))))) {
+                        $reported_maintainer_file = 1;
+                        WARN("FILE_PATH_CHANGES",
+                             "added, moved or deleted file(s), does MAINTAINERS need updating?\n" . $herecurr);
+                }
+
 # Check for wrappage within a valid hunk of the file
                 if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
                         ERROR("CORRUPTED_PATCH",
@@ -1993,7 +2225,8 @@ sub process {
 # Check if it's the start of a commit log
 # (not a header line and we haven't seen the patch filename)
                 if ($in_header_lines && $realfile =~ /^$/ &&
-                    $rawline !~ /^(commit\b|from\b|[\w-]+:).+$/i) {
+                    !($rawline =~ /^\s+\S/ ||
+                      $rawline =~ /^(commit\b|from\b|[\w-]+:).*$/i)) {
                         $in_header_lines = 0;
                         $in_commit_log = 1;
                 }
@@ -2012,6 +2245,23 @@ sub process {
                             "8-bit UTF-8 used in possible commit log\n" . $herecurr);
                 }
 
+# Check for various typo / spelling mistakes
+                if ($in_commit_log || $line =~ /^\+/) {
+                        while ($rawline =~ /(?:^|[^a-z@])($misspellings)(?:$|[^a-z@])/gi) {
+                                my $typo = $1;
+                                my $typo_fix = $spelling_fix{lc($typo)};
+                                $typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/);
+                                $typo_fix = uc($typo_fix) if ($typo =~ /^[A-Z]+$/);
+                                my $msg_type = \&WARN;
+                                $msg_type = \&CHK if ($file);
+                                if (&{$msg_type}("TYPO_SPELLING",
+                                                 "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $herecurr) &&
+                                    $fix) {
+                                        $fixed[$fixlinenr] =~ s/(^|[^A-Za-z@])($typo)($|[^A-Za-z@])/$1$typo_fix$3/;
+                                }
+                        }
+                }
+
 # ignore non-hunk lines and lines being removed
                 next if (!$hunk_line || $line =~ /^-/);
 
@@ -2021,14 +2271,14 @@ sub process {
                         if (ERROR("DOS_LINE_ENDINGS",
                                   "DOS line endings\n" . $herevet) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/[\s\015]+$//;
+                                $fixed[$fixlinenr] =~ s/[\s\015]+$//;
                         }
                 } elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) {
                         my $herevet = "$here\n" . cat_vet($rawline) . "\n";
                         if (ERROR("TRAILING_WHITESPACE",
                                   "trailing whitespace\n" . $herevet) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\s+$//;
+                                $fixed[$fixlinenr] =~ s/\s+$//;
                         }
 
                         $rpt_cleaners = 1;
@@ -2049,7 +2299,7 @@ sub process {
 # Only applies when adding the entry originally, after that we do not have
 # sufficient context to determine whether it is indeed long enough.
                 if ($realfile =~ /Kconfig/ &&
-                    $line =~ /.\s*config\s+/) {
+                    $line =~ /^\+\s*config\s+/) {
                         my $length = 0;
                         my $cnt = $realcnt;
                         my $ln = $linenr + 1;
@@ -2062,10 +2312,11 @@ sub process {
                                 $is_end = $lines[$ln - 1] =~ /^\+/;
 
                                 next if ($f =~ /^-/);
+                                last if (!$file && $f =~ /^\@\@/);
 
-                                if ($lines[$ln - 1] =~ /.\s*(?:bool|tristate)\s*\"/) {
+                                if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate)\s*\"/) {
                                         $is_start = 1;
-                                } elsif ($lines[$ln - 1] =~ /.\s*(?:---)?help(?:---)?$/) {
+                                } elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
                                         $length = -1;
                                 }
 
@@ -2079,8 +2330,10 @@ sub process {
                                 }
                                 $length++;
                         }
-                        WARN("CONFIG_DESCRIPTION",
-                             "please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($is_start && $is_end && $length < 4);
+                        if ($is_start && $is_end && $length < $min_conf_desc_length) {
+                                WARN("CONFIG_DESCRIPTION",
+                                     "please write a paragraph that describes the config symbol fully\n" . $herecurr);
+                        }
                         #print "is_start<$is_start> is_end<$is_end> length<$length>\n";
                 }
 
@@ -2137,7 +2390,7 @@ sub process {
                 }
 
 # check we are in a valid source file if not then ignore this hunk
-                next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/);
+                next if ($realfile !~ /\.(h|c|s|S|pl|sh|dtsi|dts)$/);
 
 #line length limit
                 if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
@@ -2161,12 +2414,18 @@ sub process {
                              "quoted string split across lines\n" . $hereprev);
                 }
 
+# check for missing a space in a string concatination
+                if ($prevrawline =~ /[^\\]\w"$/ && $rawline =~ /^\+[\t ]+"\w/) {
+                        WARN('MISSING_SPACE',
+                             "break quoted strings at a space character\n" . $hereprev);
+                }
+
 # check for spaces before a quoted newline
                 if ($rawline =~ /^.*\".*\s\\n/) {
                         if (WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE",
                                  "unnecessary whitespace before a quoted newline\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/^(\+.*\".*)\s+\\n/$1\\n/;
+                                $fixed[$fixlinenr] =~ s/^(\+.*\".*)\s+\\n/$1\\n/;
                         }
 
                 }
@@ -2192,7 +2451,7 @@ sub process {
                 }
 
 # check we are in a valid source file C or perl if not then ignore this hunk
-                next if ($realfile !~ /\.(h|c|pl)$/);
+                next if ($realfile !~ /\.(h|c|pl|dtsi|dts)$/);
 
 # at the beginning of a line any tabs must come first and anything
 # more than 8 must use tabs.
@@ -2203,7 +2462,7 @@ sub process {
                         if (ERROR("CODE_INDENT",
                                   "code indent should use tabs where possible\n" . $herevet) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
+                                $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
                         }
                 }
 
@@ -2213,9 +2472,9 @@ sub process {
                         if (WARN("SPACE_BEFORE_TAB",
                                 "please, no space before tabs\n" . $herevet) &&
                             $fix) {
-                                while ($fixed[$linenr - 1] =~
-                                           s/(^\+.*) {8,8}+\t/$1\t\t/) {}
-                                while ($fixed[$linenr - 1] =~
+                                while ($fixed[$fixlinenr] =~
+                                           s/(^\+.*) {8,8}\t/$1\t\t/) {}
+                                while ($fixed[$fixlinenr] =~
                                            s/(^\+.*) +\t/$1\t/) {}
                         }
                 }
@@ -2249,19 +2508,19 @@ sub process {
                                         if (CHK("PARENTHESIS_ALIGNMENT",
                                                 "Alignment should match open parenthesis\n" . $hereprev) &&
                                             $fix && $line =~ /^\+/) {
-                                                $fixed[$linenr - 1] =~
+                                                $fixed[$fixlinenr] =~
                                                     s/^\+[ \t]*/\+$goodtabindent/;
                                         }
                                 }
                         }
                 }
 
-                if ($line =~ /^\+.*\*[ \t]*\)[ \t]+(?!$Assignment|$Arithmetic)/) {
+                if ($line =~ /^\+.*\(\s*$Type\s*\)[ \t]+(?!$Assignment|$Arithmetic|{)/) {
                         if (CHK("SPACING",
-                                "No space is necessary after a cast\n" . $hereprev) &&
+                                "No space is necessary after a cast\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
-                                    s/^(\+.*\*[ \t]*\))[ \t]+/$1/;
+                                $fixed[$fixlinenr] =~
+                                    s/(\(\s*$Type\s*\))[ \t]+/$1/;
                         }
                 }
 
@@ -2291,10 +2550,44 @@ sub process {
                              "networking block comments put the trailing */ on a separate line\n" . $herecurr);
                 }
 
+# check for missing blank lines after struct/union declarations
+# with exceptions for various attributes and macros
+                if ($prevline =~ /^[\+ ]};?\s*$/ &&
+                    $line =~ /^\+/ &&
+                    !($line =~ /^\+\s*$/ ||
+                      $line =~ /^\+\s*EXPORT_SYMBOL/ ||
+                      $line =~ /^\+\s*MODULE_/i ||
+                      $line =~ /^\+\s*\#\s*(?:end|elif|else)/ ||
+                      $line =~ /^\+[a-z_]*init/ ||
+                      $line =~ /^\+\s*(?:static\s+)?[A-Z_]*ATTR/ ||
+                      $line =~ /^\+\s*DECLARE/ ||
+                      $line =~ /^\+\s*__setup/)) {
+                        if (CHK("LINE_SPACING",
+                                "Please use a blank line after function/struct/union/enum declarations\n" . $hereprev) &&
+                            $fix) {
+                                fix_insert_line($fixlinenr, "\+");
+                        }
+                }
+
+# check for multiple consecutive blank lines
+                if ($prevline =~ /^[\+ ]\s*$/ &&
+                    $line =~ /^\+\s*$/ &&
+                    $last_blank_line != ($linenr - 1)) {
+                        if (CHK("LINE_SPACING",
+                                "Please don't use multiple blank lines\n" . $hereprev) &&
+                            $fix) {
+                                fix_delete_line($fixlinenr, $rawline);
+                        }
+
+                        $last_blank_line = $linenr;
+                }
+
 # check for missing blank lines after declarations
                 if ($sline =~ /^\+\s+\S/ &&                     #Not at char 1
                         # actual declarations
                     ($prevline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ ||
+                        # function pointer declarations
+                     $prevline =~ /^\+\s+$Declare\s*\(\s*\*\s*$Ident\s*\)\s*[=,;:\[\(]/ ||
                         # foo bar; where foo is some local typedef or #define
                      $prevline =~ /^\+\s+$Ident(?:\s+|\s*\*\s*)$Ident\s*[=,;\[]/ ||
                         # known declaration macros
@@ -2307,6 +2600,8 @@ sub process {
                       $prevline =~ /(?:\{\s*|\\)$/) &&
                         # looks like a declaration
                     !($sline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ ||
+                        # function pointer declarations
+                      $sline =~ /^\+\s+$Declare\s*\(\s*\*\s*$Ident\s*\)\s*[=,;:\[\(]/ ||
                         # foo bar; where foo is some local typedef or #define
                       $sline =~ /^\+\s+$Ident(?:\s+|\s*\*\s*)$Ident\s*[=,;\[]/ ||
                         # known declaration macros
@@ -2321,8 +2616,11 @@ sub process {
                       $sline =~ /^\+\s+\(?\s*(?:$Compare|$Assignment|$Operators)/) &&
                         # indentation of previous and current line are the same
                     (($prevline =~ /\+(\s+)\S/) && $sline =~ /^\+$1\S/)) {
-                        WARN("SPACING",
-                             "Missing a blank line after declarations\n" . $hereprev);
+                        if (WARN("LINE_SPACING",
+                                 "Missing a blank line after declarations\n" . $hereprev) &&
+                            $fix) {
+                                fix_insert_line($fixlinenr, "\+");
+                        }
                 }
 
 # check for spaces at the beginning of a line.
@@ -2335,13 +2633,37 @@ sub process {
                         if (WARN("LEADING_SPACE",
                                  "please, no spaces at the start of a line\n" . $herevet) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
+                                $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . tabify($1)/e;
                         }
                 }
 
 # check we are in a valid C source file if not then ignore this hunk
                 next if ($realfile !~ /\.(h|c)$/);
 
+# check indentation of any line with a bare else
+# (but not if it is a multiple line "if (foo) return bar; else return baz;")
+# if the previous line is a break or return and is indented 1 tab more...
+                if ($sline =~ /^\+([\t]+)(?:}[ \t]*)?else(?:[ \t]*{)?\s*$/) {
+                        my $tabs = length($1) + 1;
+                        if ($prevline =~ /^\+\t{$tabs,$tabs}break\b/ ||
+                            ($prevline =~ /^\+\t{$tabs,$tabs}return\b/ &&
+                             defined $lines[$linenr] &&
+                             $lines[$linenr] !~ /^[ \+]\t{$tabs,$tabs}return/)) {
+                                WARN("UNNECESSARY_ELSE",
+                                     "else is not generally useful after a break or return\n" . $hereprev);
+                        }
+                }
+
+# check indentation of a line with a break;
+# if the previous line is a goto or return and is indented the same # of tabs
+                if ($sline =~ /^\+([\t]+)break\s*;\s*$/) {
+                        my $tabs = $1;
+                        if ($prevline =~ /^\+$tabs(?:goto|return)\b/) {
+                                WARN("UNNECESSARY_BREAK",
+                                     "break is not useful after a goto or return\n" . $hereprev);
+                        }
+                }
+
 # discourage the addition of CONFIG_EXPERIMENTAL in #if(def).
                 if ($line =~ /^\+\s*\#\s*if.*\bCONFIG_EXPERIMENTAL\b/) {
                         WARN("CONFIG_EXPERIMENTAL",
@@ -2477,7 +2799,7 @@ sub process {
 
 # if/while/etc brace do not go on next line, unless defining a do while loop,
 # or if that brace on the next line is for something else
-                if ($line =~ /(.*)\b((?:if|while|for|switch)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) {
+                if ($line =~ /(.*)\b((?:if|while|for|switch|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) {
                         my $pre_ctx = "$1$2";
 
                         my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0);
@@ -2504,7 +2826,7 @@ sub process {
                         #print "realcnt<$realcnt> ctx_cnt<$ctx_cnt>\n";
                         #print "pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n";
 
-                        if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln -1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) {
+                        if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) {
                                 ERROR("OPEN_BRACE",
                                       "that open brace { should be on the previous line\n" .
                                         "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
@@ -2523,7 +2845,7 @@ sub process {
                 }
 
 # Check relative indent for conditionals and blocks.
-                if ($line =~ /\b(?:(?:if|while|for)\s*\(|do\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) {
+                if ($line =~ /\b(?:(?:if|while|for|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|do\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) {
                         ($stat, $cond, $line_nr_next, $remain_next, $off_next) =
                                 ctx_statement_block($linenr, $realcnt, 0)
                                         if (!defined $stat);
@@ -2654,8 +2976,18 @@ sub process {
 # check for initialisation to aggregates open brace on the next line
                 if ($line =~ /^.\s*{/ &&
                     $prevline =~ /(?:^|[^=])=\s*$/) {
-                        ERROR("OPEN_BRACE",
-                              "that open brace { should be on the previous line\n" . $hereprev);
+                        if (ERROR("OPEN_BRACE",
+                                  "that open brace { should be on the previous line\n" . $hereprev) &&
+                            $fix && $prevline =~ /^\+/ && $line =~ /^\+/) {
+                                fix_delete_line($fixlinenr - 1, $prevrawline);
+                                fix_delete_line($fixlinenr, $rawline);
+                                my $fixedline = $prevrawline;
+                                $fixedline =~ s/\s*=\s*$/ = {/;
+                                fix_insert_line($fixlinenr, $fixedline);
+                                $fixedline = $line;
+                                $fixedline =~ s/^(.\s*){\s*/$1/;
+                                fix_insert_line($fixlinenr, $fixedline);
+                        }
                 }
 
 #
@@ -2680,10 +3012,10 @@ sub process {
                         if (ERROR("C99_COMMENTS",
                                   "do not use C99 // comments\n" . $herecurr) &&
                             $fix) {
-                                my $line = $fixed[$linenr - 1];
+                                my $line = $fixed[$fixlinenr];
                                 if ($line =~ /\/\/(.*)$/) {
                                         my $comment = trim($1);
-                                        $fixed[$linenr - 1] =~ s@\/\/(.*)$@/\* $comment \*/@;
+                                        $fixed[$fixlinenr] =~ s@\/\/(.*)$@/\* $comment \*/@;
                                 }
                         }
                 }
@@ -2742,7 +3074,7 @@ sub process {
                                   "do not initialise globals to 0 or NULL\n" .
                                       $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/($Type\s*$Ident\s*(?:\s+$Modifier))*\s*=\s*(0|NULL|false)\s*;/$1;/;
+                                $fixed[$fixlinenr] =~ s/($Type\s*$Ident\s*(?:\s+$Modifier))*\s*=\s*(0|NULL|false)\s*;/$1;/;
                         }
                 }
 # check for static initialisers.
@@ -2751,10 +3083,17 @@ sub process {
                                   "do not initialise statics to 0 or NULL\n" .
                                       $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/(\bstatic\s.*?)\s*=\s*(0|NULL|false)\s*;/$1;/;
+                                $fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*(0|NULL|false)\s*;/$1;/;
                         }
                 }
 
+# check for misordered declarations of char/short/int/long with signed/unsigned
+                while ($sline =~ m{(\b$TypeMisordered\b)}g) {
+                        my $tmp = trim($1);
+                        WARN("MISORDERED_TYPE",
+                             "type '$tmp' should be specified in [[un]signed] [short|int|long|long long] order\n" . $herecurr);
+                }
+
 # check for static const char * arrays.
                 if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) {
                         WARN("STATIC_CONST_CHAR_ARRAY",
@@ -2781,7 +3120,7 @@ sub process {
                         if (ERROR("FUNCTION_WITHOUT_ARGS",
                                   "Bad function definition - $1() should probably be $1(void)\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/(\b($Type)\s+($Ident))\s*\(\s*\)/$2 $3(void)/;
+                                $fixed[$fixlinenr] =~ s/(\b($Type)\s+($Ident))\s*\(\s*\)/$2 $3(void)/;
                         }
                 }
 
@@ -2790,7 +3129,7 @@ sub process {
                         if (WARN("DEFINE_PCI_DEVICE_TABLE",
                                  "Prefer struct pci_device_id over deprecated DEFINE_PCI_DEVICE_TABLE\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\b(?:static\s+|)DEFINE_PCI_DEVICE_TABLE\s*\(\s*(\w+)\s*\)\s*=\s*/static const struct pci_device_id $1\[\] = /;
+                                $fixed[$fixlinenr] =~ s/\b(?:static\s+|)DEFINE_PCI_DEVICE_TABLE\s*\(\s*(\w+)\s*\)\s*=\s*/static const struct pci_device_id $1\[\] = /;
                         }
                 }
 
@@ -2827,7 +3166,7 @@ sub process {
                                         my $sub_from = $ident;
                                         my $sub_to = $ident;
                                         $sub_to =~ s/\Q$from\E/$to/;
-                                        $fixed[$linenr - 1] =~
+                                        $fixed[$fixlinenr] =~
                                             s@\Q$sub_from\E@$sub_to@;
                                 }
                         }
@@ -2855,7 +3194,7 @@ sub process {
                                         my $sub_from = $match;
                                         my $sub_to = $match;
                                         $sub_to =~ s/\Q$from\E/$to/;
-                                        $fixed[$linenr - 1] =~
+                                        $fixed[$fixlinenr] =~
                                             s@\Q$sub_from\E@$sub_to@;
                                 }
                         }
@@ -2917,7 +3256,7 @@ sub process {
                         if (WARN("PREFER_PR_LEVEL",
                                  "Prefer pr_warn(... to pr_warning(...\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/\bpr_warning\b/pr_warn/;
                         }
                 }
@@ -2933,17 +3272,40 @@ sub process {
 
 # function brace can't be on same line, except for #defines of do while,
 # or if closed on same line
-                if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and
+                if (($line=~/$Type\s*$Ident\(.*\).*\s*{/) and
                     !($line=~/\#\s*define.*do\s{/) and !($line=~/}/)) {
-                        ERROR("OPEN_BRACE",
-                              "open brace '{' following function declarations go on the next line\n" . $herecurr);
+                        if (ERROR("OPEN_BRACE",
+                                  "open brace '{' following function declarations go on the next line\n" . $herecurr) &&
+                            $fix) {
+                                fix_delete_line($fixlinenr, $rawline);
+                                my $fixed_line = $rawline;
+                                $fixed_line =~ /(^..*$Type\s*$Ident\(.*\)\s*){(.*)$/;
+                                my $line1 = $1;
+                                my $line2 = $2;
+                                fix_insert_line($fixlinenr, ltrim($line1));
+                                fix_insert_line($fixlinenr, "\+{");
+                                if ($line2 !~ /^\s*$/) {
+                                        fix_insert_line($fixlinenr, "\+\t" . trim($line2));
+                                }
+                        }
                 }
 
 # open braces for enum, union and struct go on the same line.
                 if ($line =~ /^.\s*{/ &&
                     $prevline =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?\s*$/) {
-                        ERROR("OPEN_BRACE",
-                              "open brace '{' following $1 go on the same line\n" . $hereprev);
+                        if (ERROR("OPEN_BRACE",
+                                  "open brace '{' following $1 go on the same line\n" . $hereprev) &&
+                            $fix && $prevline =~ /^\+/ && $line =~ /^\+/) {
+                                fix_delete_line($fixlinenr - 1, $prevrawline);
+                                fix_delete_line($fixlinenr, $rawline);
+                                my $fixedline = rtrim($prevrawline) . " {";
+                                fix_insert_line($fixlinenr, $fixedline);
+                                $fixedline = $rawline;
+                                $fixedline =~ s/^(.\s*){\s*/$1\t/;
+                                if ($fixedline !~ /^\+\s*$/) {
+                                        fix_insert_line($fixlinenr, $fixedline);
+                                }
+                        }
                 }
 
 # missing space after union, struct or enum definition
@@ -2951,7 +3313,7 @@ sub process {
                         if (WARN("SPACING",
                                  "missing space after $1 definition\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/^(.\s*(?:typedef\s+)?(?:enum|union|struct)(?:\s+$Ident){1,2})([=\{])/$1 $2/;
                         }
                 }
@@ -3021,7 +3383,7 @@ sub process {
                         }
 
                         if (show_type("SPACING") && $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/^(.\s*)$Declare\s*\(\s*\*\s*$Ident\s*\)\s*\(/$1 . $declare . $post_declare_space . '(*' . $funcname . ')('/ex;
                         }
                 }
@@ -3038,7 +3400,7 @@ sub process {
                                 if (ERROR("BRACKET_SPACE",
                                           "space prohibited before open square bracket '['\n" . $herecurr) &&
                                     $fix) {
-                                    $fixed[$linenr - 1] =~
+                                    $fixed[$fixlinenr] =~
                                         s/^(\+.*?)\s+\[/$1\[/;
                                 }
                         }
@@ -3073,7 +3435,7 @@ sub process {
                                 if (WARN("SPACING",
                                          "space prohibited between function name and open parenthesis '('\n" . $herecurr) &&
                                              $fix) {
-                                        $fixed[$linenr - 1] =~
+                                        $fixed[$fixlinenr] =~
                                             s/\b$name\s+\(/$name\(/;
                                 }
                         }
@@ -3341,8 +3703,8 @@ sub process {
                                 $fixed_line = $fixed_line . $fix_elements[$#elements];
                         }
 
-                        if ($fix && $line_fixed && $fixed_line ne $fixed[$linenr - 1]) {
-                                $fixed[$linenr - 1] = $fixed_line;
+                        if ($fix && $line_fixed && $fixed_line ne $fixed[$fixlinenr]) {
+                                $fixed[$fixlinenr] = $fixed_line;
                         }
 
 
@@ -3353,7 +3715,7 @@ sub process {
                         if (WARN("SPACING",
                                  "space prohibited before semicolon\n" . $herecurr) &&
                             $fix) {
-                                1 while $fixed[$linenr - 1] =~
+                                1 while $fixed[$fixlinenr] =~
                                     s/^(\+.*\S)\s+;/$1;/;
                         }
                 }
@@ -3386,7 +3748,7 @@ sub process {
                         if (ERROR("SPACING",
                                   "space required before the open brace '{'\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/^(\+.*(?:do|\))){/$1 {/;
+                                $fixed[$fixlinenr] =~ s/^(\+.*(?:do|\))){/$1 {/;
                         }
                 }
 
@@ -3404,7 +3766,7 @@ sub process {
                         if (ERROR("SPACING",
                                   "space required after that close brace '}'\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/}((?!(?:,|;|\)))\S)/} $1/;
                         }
                 }
@@ -3414,7 +3776,7 @@ sub process {
                         if (ERROR("SPACING",
                                   "space prohibited after that open square bracket '['\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/\[\s+/\[/;
                         }
                 }
@@ -3422,7 +3784,7 @@ sub process {
                         if (ERROR("SPACING",
                                   "space prohibited before that close square bracket ']'\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/\s+\]/\]/;
                         }
                 }
@@ -3433,7 +3795,7 @@ sub process {
                         if (ERROR("SPACING",
                                   "space prohibited after that open parenthesis '('\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/\(\s+/\(/;
                         }
                 }
@@ -3443,18 +3805,26 @@ sub process {
                         if (ERROR("SPACING",
                                   "space prohibited before that close parenthesis ')'\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/\s+\)/\)/;
                         }
                 }
 
+# check unnecessary parentheses around addressof/dereference single $Lvals
+# ie: &(foo->bar) should be &foo->bar and *(foo->bar) should be *foo->bar
+
+                while ($line =~ /(?:[^&]&\s*|\*)\(\s*($Ident\s*(?:$Member\s*)+)\s*\)/g) {
+                        CHK("UNNECESSARY_PARENTHESES",
+                            "Unnecessary parentheses around $1\n" . $herecurr);
+                    }
+
 #goto labels aren't indented, allow a single space however
                 if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and
                    !($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) {
                         if (WARN("INDENTED_LABEL",
                                  "labels should not be indented\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/^(.)\s+/$1/;
                         }
                 }
@@ -3516,7 +3886,7 @@ sub process {
                         if (ERROR("SPACING",
                                   "space required before the open parenthesis '('\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/\b(if|while|for|switch)\(/$1 \(/;
                         }
                 }
@@ -3606,7 +3976,7 @@ sub process {
 # if should not continue a brace
                 if ($line =~ /}\s*if\b/) {
                         ERROR("TRAILING_STATEMENTS",
-                              "trailing statements should be on next line\n" .
+                              "trailing statements should be on next line (or did you mean 'else if'?)\n" .
                                 $herecurr);
                 }
 # case and default should not have general statements after them
@@ -3622,14 +3992,26 @@ sub process {
 
                 # Check for }<nl>else {, these must be at the same
                 # indent level to be relevant to each other.
-                if ($prevline=~/}\s*$/ and $line=~/^.\s*else\s*/ and
-                                                $previndent == $indent) {
-                        ERROR("ELSE_AFTER_BRACE",
-                              "else should follow close brace '}'\n" . $hereprev);
+                if ($prevline=~/}\s*$/ and $line=~/^.\s*else\s*/ &&
+                    $previndent == $indent) {
+                        if (ERROR("ELSE_AFTER_BRACE",
+                                  "else should follow close brace '}'\n" . $hereprev) &&
+                            $fix && $prevline =~ /^\+/ && $line =~ /^\+/) {
+                                fix_delete_line($fixlinenr - 1, $prevrawline);
+                                fix_delete_line($fixlinenr, $rawline);
+                                my $fixedline = $prevrawline;
+                                $fixedline =~ s/}\s*$//;
+                                if ($fixedline !~ /^\+\s*$/) {
+                                        fix_insert_line($fixlinenr, $fixedline);
+                                }
+                                $fixedline = $rawline;
+                                $fixedline =~ s/^(.\s*)else/$1} else/;
+                                fix_insert_line($fixlinenr, $fixedline);
+                        }
                 }
 
-                if ($prevline=~/}\s*$/ and $line=~/^.\s*while\s*/ and
-                                                $previndent == $indent) {
+                if ($prevline=~/}\s*$/ and $line=~/^.\s*while\s*/ &&
+                    $previndent == $indent) {
                         my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0);
 
                         # Find out what is on the end of the line after the
@@ -3638,8 +4020,18 @@ sub process {
                         $s =~ s/\n.*//g;
 
                         if ($s =~ /^\s*;/) {
-                                ERROR("WHILE_AFTER_BRACE",
-                                      "while should follow close brace '}'\n" . $hereprev);
+                                if (ERROR("WHILE_AFTER_BRACE",
+                                          "while should follow close brace '}'\n" . $hereprev) &&
+                                    $fix && $prevline =~ /^\+/ && $line =~ /^\+/) {
+                                        fix_delete_line($fixlinenr - 1, $prevrawline);
+                                        fix_delete_line($fixlinenr, $rawline);
+                                        my $fixedline = $prevrawline;
+                                        my $trailing = $rawline;
+                                        $trailing =~ s/^\+//;
+                                        $trailing = trim($trailing);
+                                        $fixedline =~ s/}\s*$/} $trailing/;
+                                        fix_insert_line($fixlinenr, $fixedline);
+                                }
                         }
                 }
 
@@ -3653,7 +4045,7 @@ sub process {
                                          "Avoid gcc v4.3+ binary constant extension: <$var>\n" . $herecurr) &&
                                     $fix) {
                                         my $hexval = sprintf("0x%x", oct($var));
-                                        $fixed[$linenr - 1] =~
+                                        $fixed[$fixlinenr] =~
                                             s/\b$var\b/$hexval/;
                                 }
                         }
@@ -3689,7 +4081,7 @@ sub process {
                         if (WARN("WHITESPACE_AFTER_LINE_CONTINUATION",
                                  "Whitespace after \\ makes next lines useless\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\s+$//;
+                                $fixed[$fixlinenr] =~ s/\s+$//;
                         }
                 }
 
@@ -3720,12 +4112,17 @@ sub process {
                         my $cnt = $realcnt;
                         my ($off, $dstat, $dcond, $rest);
                         my $ctx = '';
+                        my $has_flow_statement = 0;
+                        my $has_arg_concat = 0;
                         ($dstat, $dcond, $ln, $cnt, $off) =
                                 ctx_statement_block($linenr, $realcnt, 0);
                         $ctx = $dstat;
                         #print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off>\n";
                         #print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n";
 
+                        $has_flow_statement = 1 if ($ctx =~ /\b(goto|return)\b/);
+                        $has_arg_concat = 1 if ($ctx =~ /\#\#/);
+
                         $dstat =~ s/^.\s*\#\s*define\s+$Ident(?:\([^\)]*\))?\s*//;
                         $dstat =~ s/$;//g;
                         $dstat =~ s/\\\n.//g;
@@ -3762,7 +4159,7 @@ sub process {
                             $dstat !~ /^(?:$Ident|-?$Constant),$/ &&                    # 10, // foo(),
                             $dstat !~ /^(?:$Ident|-?$Constant);$/ &&                    # foo();
                             $dstat !~ /^[!~-]?(?:$Lval|$Constant)$/ &&          # 10 // foo() // !foo // ~foo // -foo // foo->bar // foo.bar->baz
-                            $dstat !~ /^'X'$/ &&                                        # character constants
+                            $dstat !~ /^'X'$/ && $dstat !~ /^'XX'$/ &&                  # character constants
                             $dstat !~ /$exceptions/ &&
                             $dstat !~ /^\.$Ident\s*=/ &&                                # .foo =
                             $dstat !~ /^(?:\#\s*$Ident|\#\s*$Constant)\s*$/ &&          # stringification #foo
@@ -3786,8 +4183,21 @@ sub process {
                                               "Macros with multiple statements should be enclosed in a do - while loop\n" . "$herectx");
                                 } else {
                                         ERROR("COMPLEX_MACRO",
-                                              "Macros with complex values should be enclosed in parenthesis\n" . "$herectx");
+                                              "Macros with complex values should be enclosed in parentheses\n" . "$herectx");
+                                }
+                        }
+
+# check for macros with flow control, but without ## concatenation
+# ## concatenation is commonly a macro that defines a function so ignore those
+                        if ($has_flow_statement && !$has_arg_concat) {
+                                my $herectx = $here . "\n";
+                                my $cnt = statement_rawlines($ctx);
+
+                                for (my $n = 0; $n < $cnt; $n++) {
+                                        $herectx .= raw_line($linenr, $n) . "\n";
                                 }
+                                WARN("MACRO_WITH_FLOW_CONTROL",
+                                     "Macros with flow control statements should be avoided\n" . "$herectx");
                         }
 
 # check for line continuations outside of #defines, preprocessor #, and asm
@@ -3998,6 +4408,12 @@ sub process {
                              "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr);
                 }
 
+# concatenated string without spaces between elements
+                if ($line =~ /"X+"[A-Z_]+/ || $line =~ /[A-Z_]+"X+"/) {
+                        CHK("CONCATENATED_STRING",
+                            "Concatenated strings should use spaces between elements\n" . $herecurr);
+                }
+
 # warn about #if 0
                 if ($line =~ /^.\s*\#\s*if\s+0\b/) {
                         CHK("REDUNDANT_CODE",
@@ -4014,6 +4430,34 @@ sub process {
                         }
                 }
 
+# check for unnecessary "Out of Memory" messages
+                if ($line =~ /^\+.*\b$logFunctions\s*\(/ &&
+                    $prevline =~ /^[ \+]\s*if\s*\(\s*(\!\s*|NULL\s*==\s*)?($Lval)(\s*==\s*NULL\s*)?\s*\)/ &&
+                    (defined $1 || defined $3) &&
+                    $linenr > 3) {
+                        my $testval = $2;
+                        my $testline = $lines[$linenr - 3];
+
+                        my ($s, $c) = ctx_statement_block($linenr - 3, $realcnt, 0);
+#                       print("line: <$line>\nprevline: <$prevline>\ns: <$s>\nc: <$c>\n\n\n");
+
+                        if ($c =~ /(?:^|\n)[ \+]\s*(?:$Type\s*)?\Q$testval\E\s*=\s*(?:\([^\)]*\)\s*)?\s*(?:devm_)?(?:[kv][czm]alloc(?:_node|_array)?\b|kstrdup|(?:dev_)?alloc_skb)/) {
+                                WARN("OOM_MESSAGE",
+                                     "Possible unnecessary 'out of memory' message\n" . $hereprev);
+                        }
+                }
+
+# check for logging functions with KERN_<LEVEL>
+                if ($line !~ /printk\s*\(/ &&
+                    $line =~ /\b$logFunctions\s*\(.*\b(KERN_[A-Z]+)\b/) {
+                        my $level = $1;
+                        if (WARN("UNNECESSARY_KERN_LEVEL",
+                                 "Possible unnecessary $level\n" . $herecurr) &&
+                            $fix) {
+                                $fixed[$fixlinenr] =~ s/\s*$level\s*//;
+                        }
+                }
+
 # check for bad placement of section $InitAttribute (e.g.: __initdata)
                 if ($line =~ /(\b$InitAttribute\b)/) {
                         my $attr = $1;
@@ -4027,7 +4471,7 @@ sub process {
                                       WARN("MISPLACED_INIT",
                                            "$attr should be placed after $var\n" . $herecurr))) &&
                                     $fix) {
-                                        $fixed[$linenr - 1] =~ s/(\bstatic\s+(?:const\s+)?)(?:$attr\s+)?($NonptrTypeWithAttr)\s+(?:$attr\s+)?($Ident(?:\[[^]]*\])?)\s*([=;])\s*/"$1" . trim(string_find_replace($2, "\\s*$attr\\s*", " ")) . " " . trim(string_find_replace($3, "\\s*$attr\\s*", "")) . " $attr" . ("$4" eq ";" ? ";" : " = ")/e;
+                                        $fixed[$fixlinenr] =~ s/(\bstatic\s+(?:const\s+)?)(?:$attr\s+)?($NonptrTypeWithAttr)\s+(?:$attr\s+)?($Ident(?:\[[^]]*\])?)\s*([=;])\s*/"$1" . trim(string_find_replace($2, "\\s*$attr\\s*", " ")) . " " . trim(string_find_replace($3, "\\s*$attr\\s*", "")) . " $attr" . ("$4" eq ";" ? ";" : " = ")/e;
                                 }
                         }
                 }
@@ -4041,7 +4485,7 @@ sub process {
                         if (ERROR("INIT_ATTRIBUTE",
                                   "Use of const init definition must use ${attr_prefix}initconst\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/$InitAttributeData/${attr_prefix}initconst/;
                         }
                 }
@@ -4052,12 +4496,12 @@ sub process {
                         if (ERROR("INIT_ATTRIBUTE",
                                   "Use of $attr requires a separate use of const\n" . $herecurr) &&
                             $fix) {
-                                my $lead = $fixed[$linenr - 1] =~
+                                my $lead = $fixed[$fixlinenr] =~
                                     /(^\+\s*(?:static\s+))/;
                                 $lead = rtrim($1);
                                 $lead = "$lead " if ($lead !~ /^\+$/);
                                 $lead = "${lead}const ";
-                                $fixed[$linenr - 1] =~ s/(^\+\s*(?:static\s+))/$lead/;
+                                $fixed[$fixlinenr] =~ s/(^\+\s*(?:static\s+))/$lead/;
                         }
                 }
 
@@ -4070,7 +4514,7 @@ sub process {
                         if (WARN("CONSTANT_CONVERSION",
                                  "$constant_func should be $func\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\b$constant_func\b/$func/g;
+                                $fixed[$fixlinenr] =~ s/\b$constant_func\b/$func/g;
                         }
                 }
 
@@ -4120,7 +4564,7 @@ sub process {
                         if (ERROR("SPACING",
                                   "exactly one space required after that #$1\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~
+                                $fixed[$fixlinenr] =~
                                     s/^(.\s*\#\s*(ifdef|ifndef|elif))\s{2,}/$1 /;
                         }
 
@@ -4168,7 +4612,7 @@ sub process {
                         if (WARN("INLINE",
                                  "plain inline is preferred over $1\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\b(__inline__|__inline)\b/inline/;
+                                $fixed[$fixlinenr] =~ s/\b(__inline__|__inline)\b/inline/;
 
                         }
                 }
@@ -4193,7 +4637,7 @@ sub process {
                         if (WARN("PREFER_PRINTF",
                                  "__printf(string-index, first-to-check) is preferred over __attribute__((format(printf, string-index, first-to-check)))\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.*)\)\s*\)\s*\)/"__printf(" . trim($1) . ")"/ex;
+                                $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.*)\)\s*\)\s*\)/"__printf(" . trim($1) . ")"/ex;
 
                         }
                 }
@@ -4204,7 +4648,7 @@ sub process {
                         if (WARN("PREFER_SCANF",
                                  "__scanf(string-index, first-to-check) is preferred over __attribute__((format(scanf, string-index, first-to-check)))\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*scanf\s*,\s*(.*)\)\s*\)\s*\)/"__scanf(" . trim($1) . ")"/ex;
+                                $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*scanf\s*,\s*(.*)\)\s*\)\s*\)/"__scanf(" . trim($1) . ")"/ex;
                         }
                 }
 
@@ -4219,7 +4663,7 @@ sub process {
                         if (WARN("SIZEOF_PARENTHESIS",
                                  "sizeof $1 should be sizeof($1)\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\bsizeof\s+((?:\*\s*|)$Lval|$Type(?:\s+$Lval|))/"sizeof(" . trim($1) . ")"/ex;
+                                $fixed[$fixlinenr] =~ s/\bsizeof\s+((?:\*\s*|)$Lval|$Type(?:\s+$Lval|))/"sizeof(" . trim($1) . ")"/ex;
                         }
                 }
 
@@ -4242,7 +4686,7 @@ sub process {
                                 if (WARN("PREFER_SEQ_PUTS",
                                          "Prefer seq_puts to seq_printf\n" . $herecurr) &&
                                     $fix) {
-                                        $fixed[$linenr - 1] =~ s/\bseq_printf\b/seq_puts/;
+                                        $fixed[$fixlinenr] =~ s/\bseq_printf\b/seq_puts/;
                                 }
                         }
                 }
@@ -4271,7 +4715,7 @@ sub process {
                         if (WARN("PREFER_ETHER_ADDR_COPY",
                                  "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
+                                $fixed[$fixlinenr] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
                         }
                 }
 
@@ -4359,7 +4803,7 @@ sub process {
                         if (CHK("AVOID_EXTERNS",
                                 "extern prototypes should be avoided in .h files\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/(.*)\bextern\b\s*(.*)/$1$2/;
+                                $fixed[$fixlinenr] =~ s/(.*)\bextern\b\s*(.*)/$1$2/;
                         }
                 }
 
@@ -4419,23 +4863,24 @@ sub process {
 
 # check for k[mz]alloc with multiplies that could be kmalloc_array/kcalloc
                 if ($^V && $^V ge 5.10.0 &&
-                    $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/) {
+                    $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)\s*,/) {
                         my $oldfunc = $3;
                         my $a1 = $4;
                         my $a2 = $10;
                         my $newfunc = "kmalloc_array";
                         $newfunc = "kcalloc" if ($oldfunc eq "kzalloc");
-                        if ($a1 =~ /^sizeof\s*\S/ || $a2 =~ /^sizeof\s*\S/) {
+                        my $r1 = $a1;
+                        my $r2 = $a2;
+                        if ($a1 =~ /^sizeof\s*\S/) {
+                                $r1 = $a2;
+                                $r2 = $a1;
+                        }
+                        if ($r1 !~ /^sizeof\b/ && $r2 =~ /^sizeof\s*\S/ &&
+                            !($r1 =~ /^$Constant$/ || $r1 =~ /^[A-Z_][A-Z0-9_]*$/)) {
                                 if (WARN("ALLOC_WITH_MULTIPLY",
                                          "Prefer $newfunc over $oldfunc with multiply\n" . $herecurr) &&
                                     $fix) {
-                                        my $r1 = $a1;
-                                        my $r2 = $a2;
-                                        if ($a1 =~ /^sizeof\s*\S/) {
-                                                $r1 = $a2;
-                                                $r2 = $a1;
-                                        }
-                                        $fixed[$linenr - 1] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e;
+                                        $fixed[$fixlinenr] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e;
 
                                 }
                         }
@@ -4459,17 +4904,17 @@ sub process {
                         if (WARN("ONE_SEMICOLON",
                                  "Statements terminations use 1 semicolon\n" . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/(\s*;\s*){2,}$/;/g;
+                                $fixed[$fixlinenr] =~ s/(\s*;\s*){2,}$/;/g;
                         }
                 }
 
-# check for case / default statements not preceeded by break/fallthrough/switch
+# check for case / default statements not preceded by break/fallthrough/switch
                 if ($line =~ /^.\s*(?:case\s+(?:$Ident|$Constant)\s*|default):/) {
                         my $has_break = 0;
                         my $has_statement = 0;
                         my $count = 0;
                         my $prevline = $linenr;
-                        while ($prevline > 1 && $count < 3 && !$has_break) {
+                        while ($prevline > 1 && ($file || $count < 3) && !$has_break) {
                                 $prevline--;
                                 my $rline = $rawlines[$prevline - 1];
                                 my $fline = $lines[$prevline - 1];
@@ -4507,7 +4952,7 @@ sub process {
                         if (WARN("USE_FUNC",
                                  "__func__ should be used instead of gcc specific __FUNCTION__\n"  . $herecurr) &&
                             $fix) {
-                                $fixed[$linenr - 1] =~ s/\b__FUNCTION__\b/__func__/g;
+                                $fixed[$fixlinenr] =~ s/\b__FUNCTION__\b/__func__/g;
                         }
                 }
 
@@ -4750,12 +5195,16 @@ sub process {
         hash_show_words(\%use_type, "Used");
         hash_show_words(\%ignore_type, "Ignored");
 
-        if ($clean == 0 && $fix && "@rawlines" ne "@fixed") {
+        if ($clean == 0 && $fix &&
+            ("@rawlines" ne "@fixed" ||
+             $#fixed_inserted >= 0 || $#fixed_deleted >= 0)) {
                 my $newfile = $filename;
                 $newfile .= ".EXPERIMENTAL-checkpatch-fixes" if (!$fix_inplace);
                 my $linecount = 0;
                 my $f;
 
+                @fixed = fix_inserted_deleted_lines(\@fixed, \@fixed_inserted, \@fixed_deleted);
+
                 open($f, '>', $newfile)
                     or die "$P: Can't open $newfile for write\n";
                 foreach my $fixed_line (@fixed) {
@@ -4763,7 +5212,7 @@ sub process {
                         if ($file) {
                                 if ($linecount > 3) {
                                         $fixed_line =~ s/^\+//;
-                                        print $f $fixed_line. "\n";
+                                        print $f $fixed_line . "\n";
                                 }
                         } else {
                                 print $f $fixed_line . "\n";
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index c05d586b1fee..dd8397894d5c 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -13,7 +13,7 @@
 #       Random bits by Matt Mackall <mpm@selenic.com>
 #       M68k port by Geert Uytterhoeven and Andreas Schwab
 #       AVR32 port by Haavard Skinnemoen (Atmel)
-#       PARISC port by Kyle McMartin <kyle@parisc-linux.org>
+#       AArch64, PARISC ports by Kyle McMartin
 #       sparc port by Martin Habets <errandir_news@mph.eclipse.co.uk>
 #
 #       Usage:
@@ -45,21 +45,22 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
         $x      = "[0-9a-f]";   # hex character
         $xs     = "[0-9a-f ]";  # hex character or space
         $funcre = qr/^$x* <(.*)>:$/;
-        if ($arch eq 'arm') {
+        if ($arch eq 'aarch64') {
+                #ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp,#-80]!
+                $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o;
+        } elsif ($arch eq 'arm') {
                 #c0008ffc:      e24dd064        sub     sp, sp, #100    ; 0x64
                 $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
         } elsif ($arch eq 'avr32') {
                 #8000008a:       20 1d           sub sp,4
                 #80000ca8:       fa cd 05 b0     sub sp,sp,1456
                 $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o;
-        } elsif ($arch =~ /^i[3456]86$/) {
+        } elsif ($arch =~ /^x86(_64)?$/ || $arch =~ /^i[3456]86$/) {
                 #c0105234:       81 ec ac 05 00 00       sub    $0x5ac,%esp
-                $re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%esp$/o;
-                $dre = qr/^.*[as][du][db]    (%.*),\%esp$/o;
-        } elsif ($arch eq 'x86_64') {
-                #    2f60:      48 81 ec e8 05 00 00    sub    $0x5e8,%rsp
-                $re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%rsp$/o;
-                $dre = qr/^.*[as][du][db]    (\%.*),\%rsp$/o;
+                # or
+                #    2f60:    48 81 ec e8 05 00 00       sub    $0x5e8,%rsp
+                $re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%(e|r)sp$/o;
+                $dre = qr/^.*[as][du][db]    (%.*),\%(e|r)sp$/o;
         } elsif ($arch eq 'ia64') {
                 #e0000000044011fc:       01 0f fc 8c     adds r12=-384,r12
                 $re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o;
diff --git a/scripts/coccinelle/api/alloc/alloc_cast.cocci b/scripts/coccinelle/api/alloc/alloc_cast.cocci
new file mode 100644
index 000000000000..6c308ee19b32
--- /dev/null
+++ b/scripts/coccinelle/api/alloc/alloc_cast.cocci
@@ -0,0 +1,72 @@
+/// Remove casting the values returned by memory allocation functions
+/// like kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc.
+///
+//# This makes an effort to find cases of casting of values returned by
+//# kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc,
+//# kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes
+//# the casting as it is not required. The result in the patch case may
+//#need some reformatting.
+//
+// Confidence: High
+// Copyright: 2014, Himangi Saraogi  GPLv2.
+// Comments:
+// Options: --no-includes --include-headers
+//
+
+virtual context
+virtual patch
+virtual org
+virtual report
+
+//----------------------------------------------------------
+//  For context mode
+//----------------------------------------------------------
+
+@depends on context@
+type T;
+@@
+
+* (T *)
+  \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
+   kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)
+
+//----------------------------------------------------------
+//  For patch mode
+//----------------------------------------------------------
+
+@depends on patch@
+type T;
+@@
+
+- (T *)
+  (\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
+   kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...))
+
+//----------------------------------------------------------
+//  For org and report mode
+//----------------------------------------------------------
+
+@r depends on org || report@
+type T;
+position p;
+@@
+
+ (T@p *)\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|
+   kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)
+
+@script:python depends on org@
+p << r.p;
+t << r.T;
+@@
+
+coccilib.org.print_safe_todo(p[0], t)
+
+@script:python depends on report@
+p << r.p;
+t << r.T;
+@@
+
+msg="WARNING: casting value returned by memory allocation function to (%s *) is useless." % (t)
+coccilib.report.print_report(p[0], msg)
+
+
diff --git a/scripts/coccinelle/api/devm_ioremap_resource.cocci b/scripts/coccinelle/api/devm_ioremap_resource.cocci
deleted file mode 100644
index 495daa3dbf77..000000000000
--- a/scripts/coccinelle/api/devm_ioremap_resource.cocci
+++ /dev/null
@@ -1,90 +0,0 @@
-virtual patch
-virtual report
-
-@depends on patch@
-expression base, dev, res;
-@@
-
--base = devm_request_and_ioremap(dev, res);
-+base = devm_ioremap_resource(dev, res);
- ...
- if (
--base == NULL
-+IS_ERR(base)
- || ...) {
-<...
--       return ...;
-+       return PTR_ERR(base);
-...>
- }
-
-@depends on patch@
-expression e, E, ret;
-identifier l;
-@@
-
- e = devm_ioremap_resource(...);
- ...
- if (IS_ERR(e) || ...) {
-        ... when any
--       ret = E;
-+       ret = PTR_ERR(e);
-        ...
-(
-        return ret;
-|
-        goto l;
-)
- }
-
-@depends on patch@
-expression e;
-@@
-
- e = devm_ioremap_resource(...);
- ...
- if (IS_ERR(e) || ...) {
-        ...
--       \(dev_dbg\|dev_err\|pr_debug\|pr_err\|DRM_ERROR\)(...);
-        ...
- }
-
-@depends on patch@
-expression e;
-identifier l;
-@@
-
- e = devm_ioremap_resource(...);
- ...
- if (IS_ERR(e) || ...)
--{
-(
-        return ...;
-|
-        goto l;
-)
--}
-
-@r depends on report@
-expression e;
-identifier l;
-position p1;
-@@
-
-*e = devm_request_and_ioremap@p1(...);
- ...
- if (e == NULL || ...) {
-        ...
-(
-        return ...;
-|
-        goto l;
-)
- }
-
-@script:python depends on r@
-p1 << r.p1;
-@@
-
-msg = "ERROR: deprecated devm_request_and_ioremap() API used on line %s" % (p1[0].line)
-coccilib.report.print_report(p1[0], msg)
diff --git a/scripts/coccinelle/free/ifnullfree.cocci b/scripts/coccinelle/free/ifnullfree.cocci
new file mode 100644
index 000000000000..a42d70bf88b3
--- /dev/null
+++ b/scripts/coccinelle/free/ifnullfree.cocci
@@ -0,0 +1,53 @@
+/// NULL check before some freeing functions is not needed.
+///
+/// Based on checkpatch warning
+/// "kfree(NULL) is safe this check is probably not required"
+/// and kfreeaddr.cocci by Julia Lawall.
+///
+// Copyright: (C) 2014 Fabian Frederick.  GPLv2.
+// Comments: -
+// Options: --no-includes --include-headers
+
+virtual patch
+virtual org
+virtual report
+virtual context
+
+@r2 depends on patch@
+expression E;
+@@
+- if (E)
+(
+-       kfree(E);
++ kfree(E);
+|
+-       debugfs_remove(E);
++ debugfs_remove(E);
+|
+-       debugfs_remove_recursive(E);
++ debugfs_remove_recursive(E);
+|
+-       usb_free_urb(E);
++ usb_free_urb(E);
+)
+
+@r depends on context || report || org @
+expression E;
+position p;
+@@
+
+* if (E)
+*       \(kfree@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|usb_free_urb\)(E);
+
+@script:python depends on org@
+p << r.p;
+@@
+
+cocci.print_main("NULL check before that freeing function is not needed", p)
+
+@script:python depends on report@
+p << r.p;
+@@
+
+msg = "WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values."
+coccilib.report.print_report(p[0], msg)
diff --git a/scripts/coccinelle/misc/array_size.cocci b/scripts/coccinelle/misc/array_size.cocci
new file mode 100644
index 000000000000..81e279cd347b
--- /dev/null
+++ b/scripts/coccinelle/misc/array_size.cocci
@@ -0,0 +1,87 @@
+/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element
+///
+//# This makes an effort to find cases where ARRAY_SIZE can be used such as
+//# where there is a division of sizeof the array by the sizeof its first
+//# element or by any indexed element or the element type. It replaces the
+//# division of the two sizeofs by ARRAY_SIZE.
+//
+// Confidence: High
+// Copyright: (C) 2014 Himangi Saraogi.  GPLv2.
+// Comments:
+// Options: --no-includes --include-headers
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+@i@
+@@
+
+#include <linux/kernel.h>
+
+//----------------------------------------------------------
+//  For context mode
+//----------------------------------------------------------
+
+@depends on i&&context@
+type T;
+T[] E;
+@@
+(
+* (sizeof(E)/sizeof(*E))
+|
+* (sizeof(E)/sizeof(E[...]))
+|
+* (sizeof(E)/sizeof(T))
+)
+
+//----------------------------------------------------------
+//  For patch mode
+//----------------------------------------------------------
+
+@depends on i&&patch@
+type T;
+T[] E;
+@@
+(
+- (sizeof(E)/sizeof(*E))
++ ARRAY_SIZE(E)
+|
+- (sizeof(E)/sizeof(E[...]))
++ ARRAY_SIZE(E)
+|
+- (sizeof(E)/sizeof(T))
++ ARRAY_SIZE(E)
+)
+
+//----------------------------------------------------------
+//  For org and report mode
+//----------------------------------------------------------
+
+@r@
+type T;
+T[] E;
+position p;
+@@
+(
+ (sizeof(E)@p /sizeof(*E))
+|
+ (sizeof(E)@p /sizeof(E[...]))
+|
+ (sizeof(E)@p /sizeof(T))
+)
+
+@script:python depends on i&&org@
+p << r.p;
+@@
+
+coccilib.org.print_todo(p[0], "WARNING should use ARRAY_SIZE")
+
+@script:python depends on i&&report@
+p << r.p;
+@@
+
+msg="WARNING: Use ARRAY_SIZE"
+coccilib.report.print_report(p[0], msg)
+
diff --git a/scripts/coccinelle/misc/badty.cocci b/scripts/coccinelle/misc/badty.cocci
new file mode 100644
index 000000000000..2fc06fc71927
--- /dev/null
+++ b/scripts/coccinelle/misc/badty.cocci
@@ -0,0 +1,76 @@
+/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element
+///
+//# This makes an effort to find cases where the argument to sizeof is wrong
+//# in memory allocation functions by checking the type of the allocated memory
+//# when it is a double pointer and ensuring the sizeof argument takes a pointer
+//# to the the memory being allocated. There are false positives in cases the
+//# sizeof argument is not used in constructing the return value. The result
+//# may need some reformatting.
+//
+// Confidence: Moderate
+// Copyright: (C) 2014 Himangi Saraogi.  GPLv2.
+// Comments:
+// Options:
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+//----------------------------------------------------------
+//  For context mode
+//----------------------------------------------------------
+
+@depends on context disable sizeof_type_expr@
+type T;
+T **x;
+@@
+
+  x =
+  <+...sizeof(
+* T
+  )...+>
+
+//----------------------------------------------------------
+//  For patch mode
+//----------------------------------------------------------
+
+@depends on patch disable sizeof_type_expr@
+type T;
+T **x;
+@@
+
+  x =
+  <+...sizeof(
+- T
++ *x
+  )...+>
+
+//----------------------------------------------------------
+//  For org and report mode
+//----------------------------------------------------------
+
+@r disable sizeof_type_expr@
+type T;
+T **x;
+position p;
+@@
+
+  x =
+  <+...sizeof(
+  T@p
+  )...+>
+
+@script:python depends on org@
+p << r.p;
+@@
+
+coccilib.org.print_todo(p[0], "WARNING sizeof argument should be pointer type, not structure type")
+
+@script:python depends on report@
+p << r.p;
+@@
+
+msg="WARNING: Use correct pointer type argument for sizeof"
+coccilib.report.print_report(p[0], msg)
+
diff --git a/scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci b/scripts/coccinelle/misc/bugon.cocci
index bd5d08b882ee..556456ca761c 100644
--- a/scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci
+++ b/scripts/coccinelle/misc/bugon.cocci
@@ -1,20 +1,17 @@
+/// Use BUG_ON instead of a if condition followed by BUG.
 ///
-/// Casting (void *) value returned by kmalloc is useless
-/// as mentioned in Documentation/CodingStyle, Chap 14.
-///
-// Confidence: High
-// Copyright: 2009,2010 Nicolas Palix, DIKU.  GPLv2.
-// URL: http://coccinelle.lip6.fr/
-// Options: --no-includes --include-headers
-//
-// Keywords: kmalloc, kzalloc, kcalloc
-// Version min: < 2.6.12 kmalloc
-// Version min: < 2.6.12 kcalloc
-// Version min:   2.6.14 kzalloc
+//# This makes an effort to find cases where BUG() follows an if
+//# condition on an expression and replaces the if condition and BUG()
+//# with a BUG_ON having the conditional expression of the if statement
+//# as argument.
 //
+// Confidence: High
+// Copyright: (C) 2014 Himangi Saraogi.  GPLv2.
+// Comments:
+// Options: --no-includes, --include-headers
 
-virtual context
 virtual patch
+virtual context
 virtual org
 virtual report
 
@@ -23,45 +20,43 @@ virtual report
 //----------------------------------------------------------
 
 @depends on context@
-type T;
+expression e;
 @@
 
-* (T *)
-  \(kmalloc\|kzalloc\|kcalloc\)(...)
+*if (e) BUG();
 
 //----------------------------------------------------------
 //  For patch mode
 //----------------------------------------------------------
 
 @depends on patch@
-type T;
+expression e;
 @@
 
-- (T *)
-  \(kmalloc\|kzalloc\|kcalloc\)(...)
+-if (e) BUG();
++BUG_ON(e);
 
 //----------------------------------------------------------
 //  For org and report mode
 //----------------------------------------------------------
 
-@r depends on org || report@
-type T;
+@r@
+expression e;
 position p;
 @@
 
- (T@p *)\(kmalloc\|kzalloc\|kcalloc\)(...)
+ if (e) BUG@p ();
 
 @script:python depends on org@
 p << r.p;
-t << r.T;
 @@
 
-coccilib.org.print_safe_todo(p[0], t)
+coccilib.org.print_todo(p[0], "WARNING use BUG_ON")
 
 @script:python depends on report@
 p << r.p;
-t << r.T;
 @@
 
-msg="WARNING: casting value returned by k[cmz]alloc to (%s *) is useless." % (t)
+msg="WARNING: Use BUG_ON"
 coccilib.report.print_report(p[0], msg)
+
diff --git a/scripts/coccinelle/misc/simple_return.cocci b/scripts/coccinelle/misc/simple_return.cocci
new file mode 100644
index 000000000000..47f7084b6360
--- /dev/null
+++ b/scripts/coccinelle/misc/simple_return.cocci
@@ -0,0 +1,180 @@
+/// Simplify a trivial if-return sequence.  Possibly combine with a
+/// preceding function call.
+//
+// Confidence: High
+// Copyright: (C) 2014 Julia Lawall, INRIA/LIP6.  GPLv2.
+// Copyright: (C) 2014 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: --no-includes --include-headers
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+@r depends on patch@
+local idexpression e;
+identifier i,f,fn;
+@@
+
+fn(...) { <...
+- e@i =
++ return
+    f(...);
+-if (i != 0) return i;
+-return 0;
+...> }
+
+@depends on patch@
+identifier r.i;
+type t;
+@@
+
+-t i;
+ ... when != i
+
+@depends on patch@
+expression e;
+@@
+
+-if (e != 0)
+   return e;
+-return 0;
+
+// -----------------------------------------------------------------------
+
+@s1 depends on context || org || report@
+local idexpression e;
+identifier i,f,fn;
+position p,p1,p2;
+@@
+
+fn(...) { <...
+* e@i@p = f(...);
+  if (\(i@p1 != 0\|i@p2 < 0\))
+     return i;
+  return 0;
+...> }
+
+@s2 depends on context || org || report forall@
+identifier s1.i;
+type t;
+position q,s1.p;
+expression e,f;
+@@
+
+* t i@q;
+  ... when != i
+  e@p = f(...);
+
+@s3 depends on context || org || report@
+expression e;
+position p1!=s1.p1;
+position p2!=s1.p2;
+@@
+
+*if (\(e@p1 != 0\|e@p2 < 0\))
+   return e;
+ return 0;
+
+// -----------------------------------------------------------------------
+
+@script:python depends on org@
+p << s1.p;
+p1 << s1.p1;
+q << s2.q;
+@@
+
+cocci.print_main("decl",q)
+cocci.print_secs("use",p)
+cocci.include_match(False)
+
+@script:python depends on org@
+p << s1.p;
+p2 << s1.p2;
+q << s2.q;
+@@
+
+cocci.print_main("decl",q)
+cocci.print_secs("use with questionable test",p)
+cocci.include_match(False)
+
+@script:python depends on org@
+p << s1.p;
+p1 << s1.p1;
+@@
+
+cocci.print_main("use",p)
+
+@script:python depends on org@
+p << s1.p;
+p2 << s1.p2;
+@@
+
+cocci.print_main("use with questionable test",p)
+
+@script:python depends on org@
+p << s3.p1;
+@@
+
+cocci.print_main("test",p)
+
+@script:python depends on org@
+p << s3.p2;
+@@
+
+cocci.print_main("questionable test",p)
+
+// -----------------------------------------------------------------------
+
+@script:python depends on report@
+p << s1.p;
+p1 << s1.p1;
+q << s2.q;
+@@
+
+msg = "WARNING: end returns can be simpified and declaration on line %s can be dropped" % (q[0].line)
+coccilib.report.print_report(p[0],msg)
+cocci.include_match(False)
+
+@script:python depends on report@
+p << s1.p;
+p1 << s1.p1;
+q << s2.q
+;
+@@
+
+msg = "WARNING: end returns may be simpified if negative or 0 value and declaration on line %s can be dropped" % (q[0].line)
+coccilib.report.print_report(p[0],msg)
+cocci.include_match(False)
+
+@script:python depends on report@
+p << s1.p;
+p1 << s1.p1;
+@@
+
+msg = "WARNING: end returns can be simpified"
+coccilib.report.print_report(p[0],msg)
+
+@script:python depends on report@
+p << s1.p;
+p2 << s1.p2;
+@@
+
+msg = "WARNING: end returns can be simpified if negative or 0 value"
+coccilib.report.print_report(p[0],msg)
+
+@script:python depends on report@
+p << s3.p1;
+@@
+
+msg = "WARNING: end returns can be simpified"
+coccilib.report.print_report(p[0],msg)
+
+@script:python depends on report@
+p << s3.p2;
+@@
+
+msg = "WARNING: end returns can be simpified if tested value is negative or 0"
+coccilib.report.print_report(p[0],msg)
diff --git a/scripts/coccinelle/null/badzero.cocci b/scripts/coccinelle/null/badzero.cocci
index d79baf7220e7..5551da2b4fe3 100644
--- a/scripts/coccinelle/null/badzero.cocci
+++ b/scripts/coccinelle/null/badzero.cocci
@@ -10,7 +10,7 @@
 // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.  GPLv2.
 // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.  GPLv2.
 // URL: http://coccinelle.lip6.fr/
-// Comments:
+// Comments: Requires Coccinelle version 1.0.0-rc20 or later
 // Options:
 
 virtual patch
@@ -19,6 +19,7 @@ virtual org
 virtual report
 
 @initialize:ocaml@
+@@
 let negtable = Hashtbl.create 101
 
 @depends on patch@
diff --git a/scripts/export_report.pl b/scripts/export_report.pl
index 8f79b701de87..8f79b701de87 100644..100755
--- a/scripts/export_report.pl
+++ b/scripts/export_report.pl
diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh
index c9469d34ecc6..c9469d34ecc6 100644..100755
--- a/scripts/gcc-goto.sh
+++ b/scripts/gcc-goto.sh
diff --git a/scripts/gcc-ld b/scripts/gcc-ld
index cadab9a13ed7..cadab9a13ed7 100644..100755
--- a/scripts/gcc-ld
+++ b/scripts/gcc-ld
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
index 7f2126df91f2..7f2126df91f2 100644..100755
--- a/scripts/gcc-version.sh
+++ b/scripts/gcc-version.sh
diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh
index 12dbd0b11ea4..12dbd0b11ea4 100644..100755
--- a/scripts/gcc-x86_32-has-stack-protector.sh
+++ b/scripts/gcc-x86_32-has-stack-protector.sh
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index 973e8c141567..973e8c141567 100644..100755
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index 17fa901418ae..17fa901418ae 100644..100755
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
index 62320f93e903..62320f93e903 100644..100755
--- a/scripts/headers_check.pl
+++ b/scripts/headers_check.pl
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index 5de5660cb708..fdebd66f8fc1 100644..100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ $# -lt 1 ]
+if [ $# -lt 2 ]
 then
-        echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]
+        echo "Usage: headers_install.sh OUTDIR SRCDIR [FILES...]"
         echo
         echo "Prepares kernel header files for use by user space, by removing"
         echo "all compiler.h definitions and #includes, removing any"
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index dc7aa45e80ce..c6d33bd15b04 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -84,7 +84,7 @@ static void usage(void)
  */
 static inline int is_arm_mapping_symbol(const char *str)
 {
-        return str[0] == '$' && strchr("atd", str[1])
+        return str[0] == '$' && strchr("axtd", str[1])
                && (str[2] == '\0' || str[2] == '.');
 }
 
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 9c4d2412fb72..9645c0739386 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -104,6 +104,23 @@ endif
 %_defconfig: $(obj)/conf
         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 
+configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config)
+
+define mergeconfig
+$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
+$(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))
+$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))
+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
+endef
+
+PHONY += kvmconfig
+kvmconfig:
+        $(call mergeconfig,kvm_guest)
+
+PHONY += tinyconfig
+tinyconfig: allnoconfig
+        $(call mergeconfig,tiny)
+
 # Help text used by make help
 help:
         @echo  '  config          - Update current config utilising a line-oriented program'
@@ -124,6 +141,8 @@ help:
         @echo  '  randconfig      - New config with random answer to all options'
         @echo  '  listnewconfig   - List new options'
         @echo  '  olddefconfig    - Same as silentoldconfig but sets new symbols to their default value'
+        @echo  '  kvmconfig       - Enable additional options for guest kernel support'
+        @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 
 # lxdialog stuff
 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
@@ -157,39 +176,10 @@ qconf-cxxobjs	:= qconf.o
 qconf-objs      := zconf.tab.o
 gconf-objs      := gconf.o zconf.tab.o
 
-hostprogs-y := conf
-
-ifeq ($(MAKECMDGOALS),nconfig)
-        hostprogs-y += nconf
-endif
-
-ifeq ($(MAKECMDGOALS),menuconfig)
-        hostprogs-y += mconf
-endif
-
-ifeq ($(MAKECMDGOALS),update-po-config)
-        hostprogs-y += kxgettext
-endif
-
-ifeq ($(MAKECMDGOALS),xconfig)
-        qconf-target := 1
-endif
-ifeq ($(MAKECMDGOALS),gconfig)
-        gconf-target := 1
-endif
-
-
-ifeq ($(qconf-target),1)
-        hostprogs-y += qconf
-endif
-
-ifeq ($(gconf-target),1)
-        hostprogs-y += gconf
-endif
+hostprogs-y := conf nconf mconf kxgettext qconf gconf
 
 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 clean-files     += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
-clean-files     += mconf qconf gconf nconf
 clean-files     += config.pot linux.pot
 
 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
@@ -220,11 +210,12 @@ HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 
 HOSTLOADLIBES_nconf     = $(shell \
-                                pkg-config --libs menu panel ncurses 2>/dev/null \
+                                pkg-config --libs menuw panelw ncursesw 2>/dev/null \
+                                || pkg-config --libs menu panel ncurses 2>/dev/null \
                                 || echo "-lmenu -lpanel -lncurses"  )
 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 
-ifeq ($(qconf-target),1)
+ifeq ($(MAKECMDGOALS),xconfig)
 $(obj)/.tmp_qtcheck: $(src)/Makefile
 -include $(obj)/.tmp_qtcheck
 
@@ -281,7 +272,7 @@ endif
 
 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
 
-ifeq ($(gconf-target),1)
+ifeq ($(MAKECMDGOALS),gconfig)
 -include $(obj)/.tmp_gtkcheck
 
 # GTK needs some extra effort, too...
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 9d2a4c585ee1..5075ebf2d3b9 100644..100755
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -21,7 +21,11 @@ ldflags()
 # Where is ncurses.h?
 ccflags()
 {
-        if [ -f /usr/include/ncursesw/curses.h ]; then
+        if pkg-config --cflags ncursesw 2>/dev/null; then
+                echo '-DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1'
+        elif pkg-config --cflags ncurses 2>/dev/null; then
+                echo '-DCURSES_LOC="<ncurses.h>"'
+        elif [ -f /usr/include/ncursesw/curses.h ]; then
                 echo '-I/usr/include/ncursesw -DCURSES_LOC="<curses.h>"'
                 echo ' -DNCURSES_WIDECHAR=1'
         elif [ -f /usr/include/ncurses/ncurses.h ]; then
diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index b4343d384926..fcffd5b41fb0 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -170,7 +170,7 @@ char item_tag(void);
 /* item list manipulation for lxdialog use */
 #define MAXITEMSTR 200
 struct dialog_item {
-        char str[MAXITEMSTR];   /* promtp displayed */
+        char str[MAXITEMSTR];   /* prompt displayed */
         char tag;
         void *data;     /* pointer to menu item - used by menubox+checklist */
         int selected;   /* Set to 1 by dialog_*() function if selected. */
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 9cb8522d8d22..9cb8522d8d22 100644..100755
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 16a07cfa4d34..70bea942b413 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2085,6 +2085,7 @@ sub dump_function($$) {
     $prototype =~ s/^noinline +//;
     $prototype =~ s/__init +//;
     $prototype =~ s/__init_or_module +//;
+    $prototype =~ s/__meminit +//;
     $prototype =~ s/__must_check +//;
     $prototype =~ s/__weak +//;
     my $define = $prototype =~ s/^#\s*define\s+//; #ak added
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 86a4fe75f453..86a4fe75f453 100644..100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index c21d16328d3f..c21d16328d3f 100644..100755
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index 84af27bf0f99..84af27bf0f99 100644..100755
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
diff --git a/scripts/mksysmap b/scripts/mksysmap
index 7ada35a0f478..7ada35a0f478 100644..100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 9d9c5b905b35..d439856f8176 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -24,9 +24,9 @@
 #include "../../include/linux/export.h"
 
 /* Are we using CONFIG_MODVERSIONS? */
-int modversions = 0;
+static int modversions = 0;
 /* Warn about undefined symbols? (do so if we have vmlinux) */
-int have_vmlinux = 0;
+static int have_vmlinux = 0;
 /* Is CONFIG_MODULE_SRCVERSION_ALL set? */
 static int all_versions = 0;
 /* If we are modposting external module set to 1 */
@@ -229,7 +229,7 @@ static struct symbol *find_symbol(const char *name)
         return NULL;
 }
 
-static struct {
+static const struct {
         const char *str;
         enum export export;
 } export_list[] = {
@@ -772,32 +772,10 @@ static const char *sech_name(struct elf_info *elf, Elf_Shdr *sechdr)
                 sechdr->sh_name;
 }
 
-/* if sym is empty or point to a string
- * like ".[0-9]+" then return 1.
- * This is the optional prefix added by ld to some sections
- */
-static int number_prefix(const char *sym)
-{
-        if (*sym++ == '\0')
-                return 1;
-        if (*sym != '.')
-                return 0;
-        do {
-                char c = *sym++;
-                if (c < '0' || c > '9')
-                        return 0;
-        } while (*sym);
-        return 1;
-}
-
 /* The pattern is an array of simple patterns.
  * "foo" will match an exact string equal to "foo"
  * "*foo" will match a string that ends with "foo"
  * "foo*" will match a string that begins with "foo"
- * "foo$" will match a string equal to "foo" or "foo.1"
- *   where the '1' can be any number including several digits.
- *   The $ syntax is for sections where ld append a dot number
- *   to make section name unique.
  */
 static int match(const char *sym, const char * const pat[])
 {
@@ -816,13 +794,6 @@ static int match(const char *sym, const char * const pat[])
                         if (strncmp(sym, p, strlen(p) - 1) == 0)
                                 return 1;
                 }
-                /* "foo$" */
-                else if (*endp == '$') {
-                        if (strncmp(sym, p, strlen(p) - 1) == 0) {
-                                if (number_prefix(sym + strlen(p) - 1))
-                                        return 1;
-                        }
-                }
                 /* no wildcards */
                 else {
                         if (strcmp(p, sym) == 0)
@@ -834,7 +805,7 @@ static int match(const char *sym, const char * const pat[])
 }
 
 /* sections that we do not want to do full section mismatch check on */
-static const char *section_white_list[] =
+static const char *const section_white_list[] =
 {
         ".comment*",
         ".debug*",
@@ -880,20 +851,20 @@ static void check_section(const char *modname, struct elf_info *elf,
 
 
 #define ALL_INIT_DATA_SECTIONS \
-        ".init.setup$", ".init.rodata$", ".meminit.rodata$", \
-        ".init.data$", ".meminit.data$"
+        ".init.setup", ".init.rodata", ".meminit.rodata", \
+        ".init.data", ".meminit.data"
 #define ALL_EXIT_DATA_SECTIONS \
-        ".exit.data$", ".memexit.data$"
+        ".exit.data", ".memexit.data"
 
 #define ALL_INIT_TEXT_SECTIONS \
-        ".init.text$", ".meminit.text$"
+        ".init.text", ".meminit.text"
 #define ALL_EXIT_TEXT_SECTIONS \
-        ".exit.text$", ".memexit.text$"
+        ".exit.text", ".memexit.text"
 
 #define ALL_PCI_INIT_SECTIONS   \
-        ".pci_fixup_early$", ".pci_fixup_header$", ".pci_fixup_final$", \
-        ".pci_fixup_enable$", ".pci_fixup_resume$", \
-        ".pci_fixup_resume_early$", ".pci_fixup_suspend$"
+        ".pci_fixup_early", ".pci_fixup_header", ".pci_fixup_final", \
+        ".pci_fixup_enable", ".pci_fixup_resume", \
+        ".pci_fixup_resume_early", ".pci_fixup_suspend"
 
 #define ALL_XXXINIT_SECTIONS MEM_INIT_SECTIONS
 #define ALL_XXXEXIT_SECTIONS MEM_EXIT_SECTIONS
@@ -901,8 +872,8 @@ static void check_section(const char *modname, struct elf_info *elf,
 #define ALL_INIT_SECTIONS INIT_SECTIONS, ALL_XXXINIT_SECTIONS
 #define ALL_EXIT_SECTIONS EXIT_SECTIONS, ALL_XXXEXIT_SECTIONS
 
-#define DATA_SECTIONS ".data$", ".data.rel$"
-#define TEXT_SECTIONS ".text$", ".text.unlikely$"
+#define DATA_SECTIONS ".data", ".data.rel"
+#define TEXT_SECTIONS ".text", ".text.unlikely"
 
 #define INIT_SECTIONS      ".init.*"
 #define MEM_INIT_SECTIONS  ".meminit.*"
@@ -911,17 +882,18 @@ static void check_section(const char *modname, struct elf_info *elf,
 #define MEM_EXIT_SECTIONS  ".memexit.*"
 
 /* init data sections */
-static const char *init_data_sections[] = { ALL_INIT_DATA_SECTIONS, NULL };
+static const char *const init_data_sections[] =
+        { ALL_INIT_DATA_SECTIONS, NULL };
 
 /* all init sections */
-static const char *init_sections[] = { ALL_INIT_SECTIONS, NULL };
+static const char *const init_sections[] = { ALL_INIT_SECTIONS, NULL };
 
 /* All init and exit sections (code + data) */
-static const char *init_exit_sections[] =
+static const char *const init_exit_sections[] =
         {ALL_INIT_SECTIONS, ALL_EXIT_SECTIONS, NULL };
 
 /* data section */
-static const char *data_sections[] = { DATA_SECTIONS, NULL };
+static const char *const data_sections[] = { DATA_SECTIONS, NULL };
 
 
 /* symbols in .data that may refer to init/exit sections */
@@ -935,8 +907,8 @@ static const char *data_sections[] = { DATA_SECTIONS, NULL };
         "*_probe_one",                                                  \
         "*_console"
 
-static const char *head_sections[] = { ".head.text*", NULL };
-static const char *linker_symbols[] =
+static const char *const head_sections[] = { ".head.text*", NULL };
+static const char *const linker_symbols[] =
         { "__init_begin", "_sinittext", "_einittext", NULL };
 
 enum mismatch {
@@ -958,7 +930,7 @@ struct sectioncheck {
         const char *symbol_white_list[20];
 };
 
-const struct sectioncheck sectioncheck[] = {
+static const struct sectioncheck sectioncheck[] = {
 /* Do not reference init/exit code/data from
  * normal code and data
  */
@@ -1175,7 +1147,7 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
 
 static inline int is_arm_mapping_symbol(const char *str)
 {
-        return str[0] == '$' && strchr("atd", str[1])
+        return str[0] == '$' && strchr("axtd", str[1])
                && (str[2] == '\0' || str[2] == '.');
 }
 
@@ -1703,12 +1675,11 @@ static void check_sec_ref(struct module *mod, const char *modname,
 
 static char *remove_dot(char *s)
 {
-        char *end;
-        int n = strcspn(s, ".");
+        size_t n = strcspn(s, ".");
 
-        if (n > 0 && s[n] != 0) {
-                strtoul(s + n + 1, &end, 10);
-                if  (end > s + n + 1 && (*end == '.' || *end == 0))
+        if (n && s[n]) {
+                size_t m = strspn(s + n + 1, "0123456789");
+                if (m && (s[n + m] == '.' || s[n + m] == 0))
                         s[n] = 0;
         }
         return s;
@@ -2241,7 +2212,7 @@ int main(int argc, char **argv)
         err = 0;
 
         for (mod = modules; mod; mod = mod->next) {
-                char fname[strlen(mod->name) + 10];
+                char fname[PATH_MAX];
 
                 if (mod->skip)
                         continue;
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 35d5a5877d04..59726243c2eb 100644..100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -37,7 +37,7 @@ create_package() {
         s390*)
                 debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
         ppc*)
-                debarch=powerpc ;;
+                debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
         parisc*)
                 debarch=hppa ;;
         mips*)
@@ -64,7 +64,7 @@ create_package() {
         fi
 
         # Create the package
-        dpkg-gencontrol -isp $forcearch -Vkernel:debarch="${debarch:-$(dpkg --print-architecture)}" -p$pname -P"$pdir"
+        dpkg-gencontrol $forcearch -Vkernel:debarch="${debarch:-$(dpkg --print-architecture)}" -p$pname -P"$pdir"
         dpkg --build "$pdir" ..
 }
 
@@ -152,18 +152,16 @@ if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
                 rmdir "$tmpdir/lib/modules/$version"
         fi
         if [ -n "$BUILD_DEBUG" ] ; then
-                (
-                        cd $tmpdir
-                        for module in $(find lib/modules/ -name *.ko); do
-                                mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
-                                # only keep debug symbols in the debug file
-                                $OBJCOPY --only-keep-debug $module $dbg_dir/usr/lib/debug/$module
-                                # strip original module from debug symbols
-                                $OBJCOPY --strip-debug $module
-                                # then add a link to those
-                                $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $module
-                        done
-                )
+                for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
+                        module=lib/modules/$module
+                        mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
+                        # only keep debug symbols in the debug file
+                        $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
+                        # strip original module from debug symbols
+                        $OBJCOPY --strip-debug $tmpdir/$module
+                        # then add a link to those
+                        $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
+                done
         fi
 fi
 
diff --git a/scripts/package/buildtar b/scripts/package/buildtar
index e046bff33589..e046bff33589 100644..100755
--- a/scripts/package/buildtar
+++ b/scripts/package/buildtar
diff --git a/scripts/profile2linkerlist.pl b/scripts/profile2linkerlist.pl
index 6943fa7cc95b..6943fa7cc95b 100644..100755
--- a/scripts/profile2linkerlist.pl
+++ b/scripts/profile2linkerlist.pl
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 650ecc83d7d7..001facfa5b74 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -388,10 +388,6 @@ do_file(char const *const fname)
                                 "unrecognized ET_REL file: %s\n", fname);
                         fail_file();
                 }
-                if (w2(ehdr->e_machine) == EM_S390) {
-                        reltype = R_390_32;
-                        mcount_adjust_32 = -4;
-                }
                 if (w2(ehdr->e_machine) == EM_MIPS) {
                         reltype = R_MIPS_32;
                         is_fake_mcount32 = MIPS32_is_fake_mcount;
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 397b6b84e8c5..d4b665610d67 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -241,13 +241,6 @@ if ($arch eq "x86_64") {
     $objcopy .= " -O elf32-i386";
     $cc .= " -m32";
 
-} elsif ($arch eq "s390" && $bits == 32) {
-    $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_32\\s+_mcount\$";
-    $mcount_adjust = -4;
-    $alignment = 4;
-    $ld .= " -m elf_s390";
-    $cc .= " -m31";
-
 } elsif ($arch eq "s390" && $bits == 64) {
     $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_(PC|PLT)32DBL\\s+_mcount\\+0x2\$";
     $mcount_adjust = -8;
diff --git a/scripts/rt-tester/rt-tester.py b/scripts/rt-tester/rt-tester.py
index 6d916c2a45a5..6d916c2a45a5 100644..100755
--- a/scripts/rt-tester/rt-tester.py
+++ b/scripts/rt-tester/rt-tester.py
diff --git a/scripts/selinux/genheaders/Makefile b/scripts/selinux/genheaders/Makefile
index 417b165008ee..1d1ac51359e3 100644
--- a/scripts/selinux/genheaders/Makefile
+++ b/scripts/selinux/genheaders/Makefile
@@ -2,4 +2,3 @@ hostprogs-y	:= genheaders
 HOST_EXTRACFLAGS += -Isecurity/selinux/include
 
 always          := $(hostprogs-y)
-clean-files     := $(hostprogs-y)
diff --git a/scripts/selinux/install_policy.sh b/scripts/selinux/install_policy.sh
index f6a0ce71015f..f6a0ce71015f 100644..100755
--- a/scripts/selinux/install_policy.sh
+++ b/scripts/selinux/install_policy.sh
diff --git a/scripts/selinux/mdp/Makefile b/scripts/selinux/mdp/Makefile
index eb365b333441..dba7eff69a00 100644
--- a/scripts/selinux/mdp/Makefile
+++ b/scripts/selinux/mdp/Makefile
@@ -2,4 +2,4 @@ hostprogs-y	:= mdp
 HOST_EXTRACFLAGS += -Isecurity/selinux/include
 
 always          := $(hostprogs-y)
-clean-files     := $(hostprogs-y) policy.* file_contexts
+clean-files     := policy.* file_contexts
diff --git a/scripts/sign-file b/scripts/sign-file
index 2b7c4484d46c..3906ee1e2f76 100755
--- a/scripts/sign-file
+++ b/scripts/sign-file
@@ -398,7 +398,7 @@ if ($verbose) {
     print "Size of signer's name  : ", length($signers_name), "\n";
     print "Size of key identifier : ", length($key_identifier), "\n";
     print "Size of signature      : ", length($signature), "\n";
-    print "Size of informaton     : ", length($info), "\n";
+    print "Size of information    : ", length($info), "\n";
     print "Size of magic number   : ", length($magic_number), "\n";
     print "Signer's name          : '", $signers_name, "'\n";
     print "Digest                 : $dgst\n";
diff --git a/scripts/sortextable.h b/scripts/sortextable.h
index 8fac3fd697a6..ba8700428e21 100644
--- a/scripts/sortextable.h
+++ b/scripts/sortextable.h
@@ -103,7 +103,7 @@ do_func(Elf_Ehdr *ehdr, char const *const fname, table_sort_t custom_sort)
         Elf_Sym *sort_needed_sym;
         Elf_Shdr *sort_needed_sec;
         Elf_Rel *relocs = NULL;
-        int relocs_size;
+        int relocs_size = 0;
         uint32_t *sort_done_location;
         const char *secstrtab;
         const char *strtab;
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
new file mode 100644
index 000000000000..fc7fd52b5e03
--- /dev/null
+++ b/scripts/spelling.txt
@@ -0,0 +1,1042 @@
+# Originally from Debian's Lintian tool. Various false positives have been
+# removed, and various additions have been made as they've been discovered
+# in the kernel source.
+#
+# License: GPLv2
+#
+# The format of each line is:
+# mistake||correction
+#
+abandonning||abandoning
+abigious||ambiguous
+abitrate||arbitrate
+abov||above
+abreviated||abbreviated
+absense||absence
+absolut||absolute
+absoulte||absolute
+acccess||access
+acceleratoin||acceleration
+accelleration||acceleration
+accesing||accessing
+accesnt||accent
+accessable||accessible
+accesss||access
+accidentaly||accidentally
+accidentually||accidentally
+accoding||according
+accomodate||accommodate
+accomodates||accommodates
+accordign||according
+accoring||according
+accout||account
+accquire||acquire
+accquired||acquired
+acessable||accessible
+acess||access
+achitecture||architecture
+acient||ancient
+acitions||actions
+acitve||active
+acknowldegement||acknowldegement
+acknowledgement||acknowledgment
+ackowledge||acknowledge
+ackowledged||acknowledged
+acording||according
+activete||activate
+acumulating||accumulating
+adapater||adapter
+addional||additional
+additionaly||additionally
+addres||address
+addreses||addresses
+addresss||address
+aditional||additional
+aditionally||additionally
+aditionaly||additionally
+adminstrative||administrative
+adress||address
+adresses||addresses
+adviced||advised
+afecting||affecting
+agaist||against
+albumns||albums
+alegorical||allegorical
+algorith||algorithm
+algorithmical||algorithmically
+algoritm||algorithm
+algoritms||algorithms
+algorrithm||algorithm
+algorritm||algorithm
+allign||align
+allocatrd||allocated
+allocte||allocate
+allpication||application
+alocate||allocate
+alogirhtms||algorithms
+alogrithm||algorithm
+alot||a lot
+alow||allow
+alows||allows
+altough||although
+alue||value
+ambigious||ambiguous
+amoung||among
+amout||amount
+analysator||analyzer
+ang||and
+anniversery||anniversary
+annoucement||announcement
+anomolies||anomalies
+anomoly||anomaly
+anway||anyway
+aplication||application
+appearence||appearance
+applicaion||application
+appliction||application
+applictions||applications
+appplications||applications
+appropiate||appropriate
+appropriatly||appropriately
+approriate||appropriate
+approriately||appropriately
+aquainted||acquainted
+aquired||acquired
+arbitary||arbitrary
+architechture||architecture
+arguement||argument
+arguements||arguments
+aritmetic||arithmetic
+arne't||aren't
+arraival||arrival
+artifical||artificial
+artillary||artillery
+assiged||assigned
+assigment||assignment
+assigments||assignments
+assistent||assistant
+assocation||association
+associcated||associated
+assotiated||associated
+assum||assume
+assumtpion||assumption
+asuming||assuming
+asycronous||asynchronous
+asynchnous||asynchronous
+atomatically||automatically
+atomicly||atomically
+attachement||attachment
+attched||attached
+attemps||attempts
+attruibutes||attributes
+authentification||authentication
+automaticaly||automatically
+automaticly||automatically
+automatize||automate
+automatized||automated
+automatizes||automates
+autonymous||autonomous
+auxilliary||auxiliary
+avaiable||available
+avaible||available
+availabe||available
+availabled||available
+availablity||availability
+availale||available
+availavility||availability
+availble||available
+availiable||available
+avalable||available
+avaliable||available
+aysnc||async
+backgroud||background
+backword||backward
+backwords||backwards
+bahavior||behavior
+bakup||backup
+baloon||balloon
+baloons||balloons
+bandwith||bandwidth
+batery||battery
+beacuse||because
+becasue||because
+becomming||becoming
+becuase||because
+beeing||being
+befor||before
+begining||beginning
+beter||better
+betweeen||between
+bianries||binaries
+bitmast||bitmask
+boardcast||broadcast
+borad||board
+boundry||boundary
+brievely||briefly
+broadcat||broadcast
+cacluated||calculated
+caculation||calculation
+calender||calendar
+calle||called
+calucate||calculate
+calulate||calculate
+cancelation||cancellation
+capabilites||capabilities
+capabitilies||capabilities
+capatibilities||capabilities
+carefuly||carefully
+cariage||carriage
+catagory||category
+challange||challenge
+challanges||challenges
+chanell||channel
+changable||changeable
+channle||channel
+channnel||channel
+charachter||character
+charachters||characters
+charactor||character
+charater||character
+charaters||characters
+charcter||character
+checksuming||checksumming
+childern||children
+childs||children
+chiled||child
+chked||checked
+chnage||change
+chnages||changes
+chnnel||channel
+choosen||chosen
+chouse||chose
+circumvernt||circumvent
+claread||cleared
+clared||cleared
+closeing||closing
+clustred||clustered
+collapsable||collapsible
+colorfull||colorful
+comand||command
+comit||commit
+commerical||commercial
+comming||coming
+comminucation||communication
+commited||committed
+commiting||committing
+committ||commit
+commoditiy||commodity
+compability||compatibility
+compaibility||compatibility
+compatability||compatibility
+compatable||compatible
+compatibiliy||compatibility
+compatibilty||compatibility
+compilant||compliant
+compleatly||completely
+completly||completely
+complient||compliant
+componnents||components
+compres||compress
+compresion||compression
+comression||compression
+comunication||communication
+conbination||combination
+conditionaly||conditionally
+conected||connected
+configuratoin||configuration
+configuraton||configuration
+configuretion||configuration
+conider||consider
+conjuction||conjunction
+connectinos||connections
+connnection||connection
+connnections||connections
+consistancy||consistency
+consistant||consistent
+containes||contains
+containts||contains
+contaisn||contains
+contant||contact
+contence||contents
+continous||continuous
+continously||continuously
+continueing||continuing
+contraints||constraints
+controled||controlled
+controler||controller
+controll||control
+contruction||construction
+contry||country
+convertion||conversion
+convertor||converter
+convienient||convenient
+convinient||convenient
+corected||corrected
+correponding||corresponding
+correponds||corresponds
+correspoding||corresponding
+cotrol||control
+couter||counter
+coutner||counter
+cryptocraphic||cryptographic
+cunter||counter
+curently||currently
+dafault||default
+deafult||default
+deamon||daemon
+decompres||decompress
+decription||description
+defailt||default
+defferred||deferred
+definate||definite
+definately||definitely
+defintion||definition
+defualt||default
+defult||default
+deivce||device
+delared||declared
+delare||declare
+delares||declares
+delaring||declaring
+delemiter||delimiter
+dependancies||dependencies
+dependancy||dependency
+dependant||dependent
+depreacted||deprecated
+depreacte||deprecate
+desactivate||deactivate
+desciptors||descriptors
+descrition||description
+descritptor||descriptor
+desctiptor||descriptor
+desriptor||descriptor
+desriptors||descriptors
+destory||destroy
+destoryed||destroyed
+destorys||destroys
+destroied||destroyed
+detabase||database
+develope||develop
+developement||development
+developped||developed
+developpement||development
+developper||developer
+developpment||development
+deveolpment||development
+devided||divided
+deviece||device
+diable||disable
+dictionnary||dictionary
+diferent||different
+differrence||difference
+difinition||definition
+diplay||display
+direectly||directly
+disapear||disappear
+disapeared||disappeared
+disappared||disappeared
+disconnet||disconnect
+discontinous||discontinuous
+dispertion||dispersion
+dissapears||disappears
+distiction||distinction
+docuentation||documentation
+documantation||documentation
+documentaion||documentation
+documment||document
+dorp||drop
+dosen||doesn
+downlad||download
+downlads||downloads
+druing||during
+dynmaic||dynamic
+easilly||easily
+ecspecially||especially
+edditable||editable
+editting||editing
+efficently||efficiently
+ehther||ether
+eigth||eight
+eletronic||electronic
+enabledi||enabled
+enchanced||enhanced
+encorporating||incorporating
+encrupted||encrypted
+encrypiton||encryption
+endianess||endianness
+enhaced||enhanced
+enlightnment||enlightenment
+enocded||encoded
+enterily||entirely
+enviroiment||environment
+enviroment||environment
+environement||environment
+environent||environment
+eqivalent||equivalent
+equiped||equipped
+equivelant||equivalent
+equivilant||equivalent
+eror||error
+estbalishment||establishment
+etsablishment||establishment
+etsbalishment||establishment
+excecutable||executable
+exceded||exceeded
+excellant||excellent
+existance||existence
+existant||existent
+exixt||exist
+exlcude||exclude
+exlcusive||exclusive
+exmaple||example
+expecially||especially
+explicite||explicit
+explicitely||explicitly
+explict||explicit
+explictly||explicitly
+expresion||expression
+exprimental||experimental
+extened||extended
+extensability||extensibility
+extention||extension
+extracter||extractor
+faild||failed
+faill||fail
+failue||failure
+failuer||failure
+faireness||fairness
+faliure||failure
+familar||familiar
+fatser||faster
+feauture||feature
+feautures||features
+fetaure||feature
+fetaures||features
+fileystem||filesystem
+finanize||finalize
+findn||find
+finilizes||finalizes
+finsih||finish
+flusing||flushing
+folloing||following
+followign||following
+follwing||following
+forseeable||foreseeable
+forse||force
+fortan||fortran
+forwardig||forwarding
+framwork||framework
+frequncy||frequency
+frome||from
+fucntion||function
+fuction||function
+fuctions||functions
+funcion||function
+functionallity||functionality
+functionaly||functionally
+functionnality||functionality
+functonality||functionality
+funtion||function
+funtions||functions
+furthur||further
+futhermore||furthermore
+futrue||future
+gaurenteed||guaranteed
+generiously||generously
+genric||generic
+globel||global
+grabing||grabbing
+grahical||graphical
+grahpical||graphical
+grapic||graphic
+guage||gauge
+guarentee||guarantee
+halfs||halves
+hander||handler
+handfull||handful
+hanled||handled
+harware||hardware
+heirarchically||hierarchically
+helpfull||helpful
+hierachy||hierarchy
+hierarchie||hierarchy
+howver||however
+hsould||should
+hypter||hyper
+identidier||identifier
+imblance||imbalance
+immeadiately||immediately
+immedaite||immediate
+immediatelly||immediately
+immediatly||immediately
+immidiate||immediate
+impelentation||implementation
+impementated||implemented
+implemantation||implementation
+implemenation||implementation
+implementaiton||implementation
+implementated||implemented
+implemention||implementation
+implemetation||implementation
+implemntation||implementation
+implentation||implementation
+implmentation||implementation
+implmenting||implementing
+incomming||incoming
+incompatabilities||incompatibilities
+incompatable||incompatible
+inconsistant||inconsistent
+increas||increase
+incrment||increment
+indendation||indentation
+indended||intended
+independant||independent
+independantly||independently
+independed||independent
+indiate||indicate
+inexpect||inexpected
+infomation||information
+informatiom||information
+informations||information
+informtion||information
+infromation||information
+ingore||ignore
+inital||initial
+initalised||initialized
+initalise||initialize
+initalize||initialize
+initation||initiation
+initators||initiators
+initializiation||initialization
+initialzed||initialized
+initilization||initialization
+initilize||initialize
+inofficial||unofficial
+instal||install
+inteface||interface
+integreated||integrated
+integrety||integrity
+integrey||integrity
+intendet||intended
+intented||intended
+interanl||internal
+interchangable||interchangeable
+interferring||interfering
+interger||integer
+intermittant||intermittent
+internel||internal
+interoprability||interoperability
+interrface||interface
+interrrupt||interrupt
+interrup||interrupt
+interrups||interrupts
+interruptted||interrupted
+interupted||interrupted
+interupt||interrupt
+intial||initial
+intialized||initialized
+intialize||initialize
+intregral||integral
+intrrupt||interrupt
+intuative||intuitive
+invaid||invalid
+invalde||invald
+invalide||invalid
+invididual||individual
+invokation||invocation
+invokations||invocations
+irrelevent||irrelevant
+isssue||issue
+itslef||itself
+jave||java
+jeffies||jiffies
+juse||just
+jus||just
+kown||known
+langage||language
+langauage||language
+langauge||language
+langugage||language
+lauch||launch
+leightweight||lightweight
+lengh||length
+lenght||length
+lenth||length
+lesstiff||lesstif
+libaries||libraries
+libary||library
+librairies||libraries
+libraris||libraries
+licenceing||licencing
+loggging||logging
+loggin||login
+logile||logfile
+loosing||losing
+losted||lost
+machinary||machinery
+maintainance||maintenance
+maintainence||maintenance
+maintan||maintain
+makeing||making
+malplaced||misplaced
+malplace||misplace
+managable||manageable
+managment||management
+mangement||management
+manoeuvering||maneuvering
+mappping||mapping
+mathimatical||mathematical
+mathimatic||mathematic
+mathimatics||mathematics
+maxium||maximum
+mechamism||mechanism
+meetign||meeting
+ment||meant
+mergable||mergeable
+mesage||message
+messags||messages
+messgaes||messages
+messsage||message
+messsages||messages
+microprocesspr||microprocessor
+milliseonds||milliseconds
+minumum||minimum
+miscelleneous||miscellaneous
+misformed||malformed
+mispelled||misspelled
+mispelt||misspelt
+miximum||maximum
+mmnemonic||mnemonic
+mnay||many
+modeled||modelled
+modulues||modules
+monochorome||monochrome
+monochromo||monochrome
+monocrome||monochrome
+mopdule||module
+mroe||more
+mulitplied||multiplied
+multidimensionnal||multidimensional
+multple||multiple
+mumber||number
+muticast||multicast
+mutiple||multiple
+mutli||multi
+nams||names
+navagating||navigating
+nead||need
+neccecary||necessary
+neccesary||necessary
+neccessary||necessary
+necesary||necessary
+negaive||negative
+negoitation||negotiation
+negotation||negotiation
+nerver||never
+nescessary||necessary
+nessessary||necessary
+noticable||noticeable
+notications||notifications
+notifed||notified
+numebr||number
+numner||number
+obtaion||obtain
+occassionally||occasionally
+occationally||occasionally
+occurance||occurrence
+occurances||occurrences
+occured||occurred
+occurence||occurrence
+occure||occurred
+occuring||occurring
+offet||offset
+omitt||omit
+ommiting||omitting
+ommitted||omitted
+onself||oneself
+ony||only
+operatione||operation
+opertaions||operations
+optionnal||optional
+optmizations||optimizations
+orientatied||orientated
+orientied||oriented
+otherise||otherwise
+ouput||output
+overaall||overall
+overhread||overhead
+overlaping||overlapping
+overriden||overridden
+overun||overrun
+pacakge||package
+pachage||package
+packacge||package
+packege||package
+packge||package
+packtes||packets
+pakage||package
+pallette||palette
+paln||plan
+paramameters||parameters
+paramater||parameter
+parametes||parameters
+parametised||parametrised
+paramter||parameter
+paramters||parameters
+particuarly||particularly
+particularily||particularly
+pased||passed
+passin||passing
+pathes||paths
+pecularities||peculiarities
+peformance||performance
+peice||piece
+pendantic||pedantic
+peprocessor||preprocessor
+perfoming||performing
+permissons||permissions
+peroid||period
+persistance||persistence
+persistant||persistent
+platfrom||platform
+plattform||platform
+pleaes||please
+ploting||plotting
+plugable||pluggable
+poinnter||pointer
+poiter||pointer
+posible||possible
+positon||position
+possibilites||possibilities
+powerfull||powerful
+preceeded||preceded
+preceeding||preceding
+preceed||precede
+precendence||precedence
+precission||precision
+prefered||preferred
+prefferably||preferably
+premption||preemption
+prepaired||prepared
+pressre||pressure
+primative||primitive
+princliple||principle
+priorty||priority
+privilaged||privileged
+privilage||privilege
+priviledge||privilege
+priviledges||privileges
+probaly||probably
+procceed||proceed
+proccesors||processors
+procesed||processed
+proces||process
+processessing||processing
+processess||processes
+processpr||processor
+processsed||processed
+processsing||processing
+procteted||protected
+prodecure||procedure
+progams||programs
+progess||progress
+programers||programmers
+programm||program
+programms||programs
+progresss||progress
+promps||prompts
+pronnounced||pronounced
+prononciation||pronunciation
+pronouce||pronounce
+pronunce||pronounce
+propery||property
+propigate||propagate
+propigation||propagation
+propogate||propagate
+prosess||process
+protable||portable
+protcol||protocol
+protecion||protection
+protocoll||protocol
+psudo||pseudo
+psuedo||pseudo
+psychadelic||psychedelic
+pwoer||power
+quering||querying
+raoming||roaming
+reasearcher||researcher
+reasearchers||researchers
+reasearch||research
+recepient||recipient
+receving||receiving
+recieved||received
+recieve||receive
+reciever||receiver
+recieves||receives
+recogniced||recognised
+recognizeable||recognizable
+recommanded||recommended
+recyle||recycle
+redircet||redirect
+redirectrion||redirection
+refcounf||refcount
+refence||reference
+refered||referred
+referenace||reference
+refering||referring
+refernces||references
+refernnce||reference
+refrence||reference
+registerd||registered
+registeresd||registered
+registes||registers
+registraration||registration
+regster||register
+regualar||regular
+reguator||regulator
+regulamentations||regulations
+reigstration||registration
+releated||related
+relevent||relevant
+remoote||remote
+remore||remote
+removeable||removable
+repectively||respectively
+replacable||replaceable
+replacments||replacements
+replys||replies
+reponse||response
+representaion||representation
+reqeust||request
+requiere||require
+requirment||requirement
+requred||required
+requried||required
+requst||request
+reseting||resetting
+resizeable||resizable
+resouces||resources
+resoures||resources
+ressizes||resizes
+ressource||resource
+ressources||resources
+retransmited||retransmitted
+retreived||retrieved
+retreive||retrieve
+retrive||retrieve
+retuned||returned
+reuest||request
+reuqest||request
+reutnred||returned
+rmeoved||removed
+rmeove||remove
+rmeoves||removes
+rountine||routine
+routins||routines
+rquest||request
+runing||running
+runned||ran
+runnning||running
+runtine||runtime
+sacrifying||sacrificing
+safly||safely
+safty||safety
+savable||saveable
+scaned||scanned
+scaning||scanning
+scarch||search
+seach||search
+searchs||searches
+secquence||sequence
+secund||second
+segement||segment
+senarios||scenarios
+sentivite||sensitive
+separatly||separately
+sepcify||specify
+sepc||spec
+seperated||separated
+seperately||separately
+seperate||separate
+seperatly||separately
+seperator||separator
+sepperate||separate
+sequece||sequence
+sequencial||sequential
+serveral||several
+setts||sets
+settting||setting
+shotdown||shutdown
+shoud||should
+shoule||should
+shrinked||shrunk
+siginificantly||significantly
+signabl||signal
+similary||similarly
+similiar||similar
+simlar||similar
+simliar||similar
+simpified||simplified
+singaled||signaled
+singal||signal
+singed||signed
+sleeped||slept
+softwares||software
+speach||speech
+specfic||specific
+speciefied||specified
+specifc||specific
+specifed||specified
+specificatin||specification
+specificaton||specification
+specifing||specifying
+specifiying||specifying
+speficied||specified
+speicify||specify
+speling||spelling
+spinlcok||spinlock
+spinock||spinlock
+splitted||split
+spreaded||spread
+sructure||structure
+stablilization||stabilization
+staically||statically
+staion||station
+standardss||standards
+standartization||standardization
+standart||standard
+staticly||statically
+stoped||stopped
+stoppped||stopped
+straming||streaming
+struc||struct
+structres||structures
+stuct||struct
+sturcture||structure
+subdirectoires||subdirectories
+suble||subtle
+succesfully||successfully
+succesful||successful
+successfull||successful
+sucessfully||successfully
+sucess||success
+superflous||superfluous
+superseeded||superseded
+suplied||supplied
+suported||supported
+suport||support
+suppored||supported
+supportin||supporting
+suppoted||supported
+suppported||supported
+suppport||support
+supress||suppress
+surpresses||suppresses
+susbsystem||subsystem
+suspicously||suspiciously
+swaping||swapping
+switchs||switches
+symetric||symmetric
+synax||syntax
+synchonized||synchronized
+syncronize||synchronize
+syncronizing||synchronizing
+syncronus||synchronous
+syste||system
+sytem||system
+sythesis||synthesis
+taht||that
+targetted||targeted
+targetting||targeting
+teh||the
+temorary||temporary
+temproarily||temporarily
+thier||their
+threds||threads
+threshhold||threshold
+throught||through
+thses||these
+tiggered||triggered
+tipically||typically
+tmis||this
+torerable||tolerable
+tramsmitted||transmitted
+tramsmit||transmit
+tranfer||transfer
+transciever||transceiver
+transferd||transferrd
+transfered||transferred
+transfering||transferring
+transision||transition
+transmittd||transmitted
+transormed||transformed
+trasmission||transmission
+treshold||threshold
+trigerring||triggering
+trun||turn
+ture||true
+tyep||type
+udpate||update
+uesd||used
+unconditionaly||unconditionally
+underun||underrun
+unecessary||unnecessary
+unexecpted||unexpected
+unexpectd||unexpected
+unexpeted||unexpected
+unfortunatelly||unfortunately
+unifiy||unify
+unknonw||unknown
+unknow||unknown
+unkown||unknown
+unneedingly||unnecessarily
+unresgister||unregister
+unsinged||unsigned
+unstabel||unstable
+unsuccessfull||unsuccessful
+unsuported||unsupported
+untill||until
+unuseful||useless
+upate||update
+usefule||useful
+usefull||useful
+usege||usage
+usera||users
+usualy||usually
+utilites||utilities
+utillities||utilities
+utilties||utilities
+utiltity||utility
+utitity||utility
+utitlty||utility
+vaid||valid
+vaild||valid
+valide||valid
+variantions||variations
+varient||variant
+vaule||value
+verbse||verbose
+verisons||versions
+verison||version
+verson||version
+vicefersa||vice-versa
+virtal||virtual
+virtaul||virtual
+virtiual||virtual
+visiters||visitors
+vitual||virtual
+wating||waiting
+whataver||whatever
+whenver||whenever
+wheter||whether
+whe||when
+wierd||weird
+wiil||will
+wirte||write
+withing||within
+wnat||want
+workarould||workaround
+writeing||writing
+writting||writing
+zombe||zombie
+zomebie||zombie
diff --git a/scripts/tags.sh b/scripts/tags.sh
index e6b011fe1d0d..cdb491d84503 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -168,6 +168,7 @@ exuberant()
         --extra=+f --c-kinds=+px                                \
         --regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/'        \
         --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \
+        --regex-c='/^COMPAT_SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/compat_sys_\1/' \
         --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/'               \
         --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/'     \
         --regex-c++='/PAGEFLAG\(([^,)]*).*/Page\1/'                     \
@@ -192,10 +193,9 @@ exuberant()
         --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
         --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
         --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'                \
-        --regex-c++='/TESTPCGFLAG\(([^,)]*).*/PageCgroup\1/'            \
-        --regex-c++='/SETPCGFLAG\(([^,)]*).*/SetPageCgroup\1/'          \
-        --regex-c++='/CLEARPCGFLAG\(([^,)]*).*/ClearPageCgroup\1/'      \
-        --regex-c++='/TESTCLEARPCGFLAG\(([^,)]*).*/TestClearPageCgroup\1/' \
+        --regex-c++='/TASK_PFA_TEST\([^,]*,\s*([^)]*)\)/task_\1/'       \
+        --regex-c++='/TASK_PFA_SET\([^,]*,\s*([^)]*)\)/task_set_\1/'    \
+        --regex-c++='/TASK_PFA_CLEAR\([^,]*,\s*([^)]*)\)/task_clear_\1/'\
         --regex-c='/PCI_OP_READ\((\w*).*[1-4]\)/pci_bus_read_config_\1/' \
         --regex-c='/PCI_OP_WRITE\((\w*).*[1-4]\)/pci_bus_write_config_\1/' \
         --regex-c='/DEFINE_(MUTEX|SEMAPHORE|SPINLOCK)\((\w*)/\2/v/'     \
@@ -231,6 +231,7 @@ emacs()
         all_target_sources | xargs $1 -a                        \
         --regex='/^\(ENTRY\|_GLOBAL\)(\([^)]*\)).*/\2/'         \
         --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/'   \
+        --regex='/^COMPAT_SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/compat_sys_\1/' \
         --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/'          \
         --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \
         --regex='/PAGEFLAG(\([^,)]*\).*/Page\1/'                        \
@@ -254,14 +255,13 @@ emacs()
         --regex='/__CLEARPAGEFLAG_NOOP(\([^,)]*\).*/__ClearPage\1/' \
         --regex='/TESTCLEARFLAG_FALSE(\([^,)]*\).*/TestClearPage\1/' \
         --regex='/__TESTCLEARFLAG_FALSE(\([^,)]*\).*/__TestClearPage\1/' \
-        --regex='/TESTPCGFLAG\(([^,)]*).*/PageCgroup\1/'        \
-        --regex='/SETPCGFLAG\(([^,)]*).*/SetPageCgroup\1/'      \
-        --regex='/CLEARPCGFLAG\(([^,)]*).*/ClearPageCgroup\1/'  \
-        --regex='/TESTCLEARPCGFLAG\(([^,)]*).*/TestClearPageCgroup\1/' \
+        --regex='/TASK_PFA_TEST\([^,]*,\s*([^)]*)\)/task_\1/'           \
+        --regex='/TASK_PFA_SET\([^,]*,\s*([^)]*)\)/task_set_\1/'        \
+        --regex='/TASK_PFA_CLEAR\([^,]*,\s*([^)]*)\)/task_clear_\1/'    \
         --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/'           \
         --regex='/PCI_OP_READ(\([a-z]*[a-z]\).*[1-4])/pci_bus_read_config_\1/' \
         --regex='/PCI_OP_WRITE(\([a-z]*[a-z]\).*[1-4])/pci_bus_write_config_\1/'\
-        --regex='/DEFINE_HASHTABLE\((\w*)/\1/v/'
+        --regex='/[^#]*DEFINE_HASHTABLE(\([^,)]*\)/\1/'
 
         all_kconfigs | xargs $1 -a                              \
         --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py
index db40fa04cd51..db40fa04cd51 100644..100755
--- a/scripts/tracing/draw_functrace.py
+++ b/scripts/tracing/draw_functrace.py
diff --git a/scripts/xz_wrap.sh b/scripts/xz_wrap.sh
index 7a2d372f4885..7a2d372f4885 100644..100755
--- a/scripts/xz_wrap.sh
+++ b/scripts/xz_wrap.sh