Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf tooling fixes from Arnaldo Carvalho de Melo:

" - Fix a few clean targets in tools/ (Jiri Olsa)

  - Add missing sources to perf's MANIFEST, fixing the out of tree build with
    'make perf-tar*-src-pkg' tarballs (Jiri Olsa)

  - Fix bpf related build problems in PowerPC (Naveen N. Rao, Wang Nan)

  - 'make -C tools/perf build-test' fixes (Wang Nan)

  - Fix 'perf test hist' entry (Wang Nan)

  - Add BPF feature check to test-all, as in an environment with all other
    features enabled, BPF would be considered enabled without doing real
    feature check.  (Wang Nan)"

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

15 files changed, 70 insertions, 23 deletions

diff --git a/tools/Makefile b/tools/Makefile
index 0ba0df3b516f..4e8e10755e0d 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -127,6 +127,12 @@ liblockdep_clean:
 libapi_clean:
         $(call descend,lib/api,clean)
 
+libbpf_clean:
+        $(call descend,lib/bpf,clean)
+
+libsubcmd_clean:
+        $(call descend,lib/subcmd,clean)
+
 perf_clean:
         $(call descend,$(@:_clean=),clean)
 
@@ -142,9 +148,12 @@ tmon_clean:
 freefall_clean:
         $(call descend,laptop/freefall,clean)
 
+build_clean:
+        $(call descend,build,clean)
+
 clean: acpi_clean cgroup_clean cpupower_clean hv_clean firewire_clean lguest_clean \
                 perf_clean selftests_clean turbostat_clean usb_clean virtio_clean \
                 vm_clean net_clean iio_clean x86_energy_perf_policy_clean tmon_clean \
-                freefall_clean
+                freefall_clean build_clean libbpf_clean libsubcmd_clean liblockdep_clean
 
 .PHONY: FORCE
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 33cf6f20bd4e..81025cade45f 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -125,6 +125,10 @@
 # include "test-get_cpuid.c"
 #undef main
 
+#define main main_test_bpf
+# include "test-bpf.c"
+#undef main
+
 int main(int argc, char *argv[])
 {
         main_test_libpython();
@@ -153,6 +157,7 @@ int main(int argc, char *argv[])
         main_test_pthread_attr_setaffinity_np();
         main_test_lzma();
         main_test_get_cpuid();
+        main_test_bpf();
 
         return 0;
 }
diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c
index 062bac811af9..b389026839b9 100644
--- a/tools/build/feature/test-bpf.c
+++ b/tools/build/feature/test-bpf.c
@@ -1,9 +1,23 @@
+#include <asm/unistd.h>
 #include <linux/bpf.h>
+#include <unistd.h>
+
+#ifndef __NR_bpf
+# if defined(__i386__)
+#  define __NR_bpf 357
+# elif defined(__x86_64__)
+#  define __NR_bpf 321
+# elif defined(__aarch64__)
+#  define __NR_bpf 280
+#  error __NR_bpf not defined. libbpf does not support your arch.
+# endif
+#endif
 
 int main(void)
 {
         union bpf_attr attr;
 
+        /* Check fields in attr */
         attr.prog_type = BPF_PROG_TYPE_KPROBE;
         attr.insn_cnt = 0;
         attr.insns = 0;
@@ -14,5 +28,9 @@ int main(void)
         attr.kern_version = 0;
 
         attr = attr;
-        return 0;
+        /*
+         * Test existence of __NR_bpf and BPF_PROG_LOAD.
+         * This call should fail if we run the testcase.
+         */
+        return syscall(__NR_bpf, BPF_PROG_LOAD, attr, sizeof(attr));
 }
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index 919b71780710..fc1bc75ae56d 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -6,6 +6,12 @@ BPF_EXTRAVERSION = 1
 
 MAKEFLAGS += --no-print-directory
 
+ifeq ($(srctree),)
+srctree := $(patsubst %/,%,$(dir $(shell pwd)))
+srctree := $(patsubst %/,%,$(dir $(srctree)))
+srctree := $(patsubst %/,%,$(dir $(srctree)))
+#$(info Determined 'srctree' to be $(srctree))
+endif
 
 # Makefiles suck: This macro sets a default value of $(2) for the
 # variable named by $(1), unless the variable has been set by
@@ -31,7 +37,8 @@ INSTALL = install
 DESTDIR ?=
 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
 
-LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
+include $(srctree)/tools/scripts/Makefile.arch
+
 ifeq ($(LP64), 1)
   libdir_relative = lib64
 else
@@ -57,13 +64,6 @@ ifndef VERBOSE
   VERBOSE = 0
 endif
 
-ifeq ($(srctree),)
-srctree := $(patsubst %/,%,$(dir $(shell pwd)))
-srctree := $(patsubst %/,%,$(dir $(srctree)))
-srctree := $(patsubst %/,%,$(dir $(srctree)))
-#$(info Determined 'srctree' to be $(srctree))
-endif
-
 FEATURE_USER = .libbpf
 FEATURE_TESTS = libelf libelf-getphdrnum libelf-mmap bpf
 FEATURE_DISPLAY = libelf bpf
@@ -192,7 +192,7 @@ config-clean:
         $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
 
 clean:
-        $(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \
+        $(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \
                 $(RM) LIBBPF-CFLAGS
         $(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf
 
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 5bdc6eab6852..1f91cc941b7c 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -14,8 +14,8 @@
 #include "bpf.h"
 
 /*
- * When building perf, unistd.h is override. Define __NR_bpf is
- * required to be defined.
+ * When building perf, unistd.h is overrided. __NR_bpf is
+ * required to be defined explicitly.
  */
 #ifndef __NR_bpf
 # if defined(__i386__)
diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
index 7e319afac78a..90d2baeb621a 100644
--- a/tools/lib/lockdep/Makefile
+++ b/tools/lib/lockdep/Makefile
@@ -149,7 +149,7 @@ install_lib: all_cmd
 install: install_lib
 
 clean:
-        $(RM) *.o *~ $(TARGETS) *.a *liblockdep*.so* $(VERSION_FILES) .*.d
+        $(RM) *.o *~ $(TARGETS) *.a *liblockdep*.so* $(VERSION_FILES) .*.d .*.cmd
         $(RM) tags TAGS
 
 PHONY += force
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index ddf922f93aa1..2e1fa2357528 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -28,6 +28,7 @@ tools/lib/string.c
 tools/lib/symbol/kallsyms.c
 tools/lib/symbol/kallsyms.h
 tools/lib/find_bit.c
+tools/lib/bitmap.c
 tools/include/asm/atomic.h
 tools/include/asm/barrier.h
 tools/include/asm/bug.h
@@ -57,6 +58,7 @@ tools/include/linux/rbtree_augmented.h
 tools/include/linux/string.h
 tools/include/linux/types.h
 tools/include/linux/err.h
+tools/include/linux/bitmap.h
 include/asm-generic/bitops/arch_hweight.h
 include/asm-generic/bitops/const_hweight.h
 include/asm-generic/bitops/fls64.h
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 254d06e39bea..7545ba60053e 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -17,7 +17,7 @@ detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
 
 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
 
-include $(src-perf)/config/Makefile.arch
+include $(srctree)/tools/scripts/Makefile.arch
 
 $(call detected_var,ARCH)
 
@@ -493,7 +493,7 @@ else
 
       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
-      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
+      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 
diff --git a/tools/perf/tests/hists_common.c b/tools/perf/tests/hists_common.c
index bcfd081ee1d2..071a8b5f5232 100644
--- a/tools/perf/tests/hists_common.c
+++ b/tools/perf/tests/hists_common.c
@@ -87,11 +87,6 @@ struct machine *setup_fake_machine(struct machines *machines)
                 return NULL;
         }
 
-        if (machine__create_kernel_maps(machine)) {
-                pr_debug("Cannot create kernel maps\n");
-                return NULL;
-        }
-
         for (i = 0; i < ARRAY_SIZE(fake_threads); i++) {
                 struct thread *thread;
 
diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index e36089212061..5e6a86e50fb9 100644
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -706,6 +706,7 @@ int test__hists_cumulate(int subtest __maybe_unused)
         err = parse_events(evlist, "cpu-clock", NULL);
         if (err)
                 goto out;
+        err = TEST_FAIL;
 
         machines__init(&machines);
 
diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index 2a784befd9ce..351a42463444 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -120,6 +120,7 @@ int test__hists_filter(int subtest __maybe_unused)
         err = parse_events(evlist, "task-clock", NULL);
         if (err)
                 goto out;
+        err = TEST_FAIL;
 
         /* default sort order (comm,dso,sym) will be used */
         if (setup_sorting(NULL) < 0)
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index c764d69ac6ef..64b257d8d557 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -293,6 +293,7 @@ int test__hists_link(int subtest __maybe_unused)
         if (err)
                 goto out;
 
+        err = TEST_FAIL;
         /* default sort order (comm,dso,sym) will be used */
         if (setup_sorting(NULL) < 0)
                 goto out;
diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
index ebe6cd485b5d..b231265148d8 100644
--- a/tools/perf/tests/hists_output.c
+++ b/tools/perf/tests/hists_output.c
@@ -597,6 +597,7 @@ int test__hists_output(int subtest __maybe_unused)
         err = parse_events(evlist, "cpu-clock", NULL);
         if (err)
                 goto out;
+        err = TEST_FAIL;
 
         machines__init(&machines);
 
diff --git a/tools/perf/tests/make b/tools/perf/tests/make
index c1fbb8e884c0..df38decc48c3 100644
--- a/tools/perf/tests/make
+++ b/tools/perf/tests/make
@@ -1,3 +1,5 @@
+include ../scripts/Makefile.include
+
 ifndef MK
 ifeq ($(MAKECMDGOALS),)
 # no target specified, trigger the whole suite
@@ -12,7 +14,19 @@ endif
 else
 PERF := .
 
-include config/Makefile.arch
+# As per kernel Makefile, avoid funny character set dependencies
+unexport LC_ALL
+LC_COLLATE=C
+LC_NUMERIC=C
+export LC_COLLATE LC_NUMERIC
+
+ifeq ($(srctree),)
+srctree := $(patsubst %/,%,$(dir $(shell pwd)))
+srctree := $(patsubst %/,%,$(dir $(srctree)))
+#$(info Determined 'srctree' to be $(srctree))
+endif
+
+include $(srctree)/tools/scripts/Makefile.arch
 
 # FIXME looks like x86 is the only arch running tests ;-)
 # we need some IS_(32/64) flag to make this generic
@@ -280,5 +294,5 @@ all: $(run) $(run_O) tarpkg make_kernelsrc make_kernelsrc_tools
 out: $(run_O)
         @echo OK
 
-.PHONY: all $(run) $(run_O) tarpkg clean
+.PHONY: all $(run) $(run_O) tarpkg clean make_kernelsrc make_kernelsrc_tools
 endif # ifndef MK
diff --git a/tools/perf/config/Makefile.arch b/tools/scripts/Makefile.arch
index e11fbd6fae78..e11fbd6fae78 100644
--- a/tools/perf/config/Makefile.arch
+++ b/tools/scripts/Makefile.arch