Merge branch 'pm-tools'

* pm-tools:
  PM / tools: analyze_suspend.py: update to v3.0

1 files changed, 2981 insertions, 836 deletions

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(".")