Commit 9d9af100 authored Oct 17, 2020 by Linus Torvalds

Merge tag 'perf-tools-for-v5.10-2020-10-15' of...

Merge tag 'perf-tools-for-v5.10-2020-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools updates from Arnaldo Carvalho de Melo:

- cgroup improvements for 'perf stat', allowing for compact
specification of events and cgroups in the command line.

- Support per thread topdown metrics in 'perf stat'.

- Support sample-read topdown metric group in 'perf record'

- Show start of latency in addition to its start in 'perf sched
latency'.

- Add min, max to 'perf script' futex-contention output, in addition to
avg.

- Allow usage of 'perf_event_attr->exclusive' attribute via the new
':e' event modifier.

- Add 'snapshot' command to 'perf record --control', using it with
Intel PT.

- Support FIFO file names as alternative options to 'perf record
--control'.

- Introduce branch history "streams", to compare 'perf record' runs
with 'perf diff' based on branch records and report hot streams.

- Support PE executable symbol tables using libbfd, to profile, for
instance, wine binaries.

- Add filter support for option 'perf ftrace -F/--funcs'.

- Allow configuring the 'disassembler_style' 'perf annotate' knob via
'perf config'

- Update CascadelakeX and SkylakeX JSON vendor events files.

- Add support for parsing perchip/percore JSON vendor events.

- Add power9 hv_24x7 core level metric events.

- Add L2 prefetch, ITLB instruction fetch hits JSON events for AMD
zen1.

- Enable Family 19h users by matching Zen2 AMD vendor events.

- Use debuginfod in 'perf probe' when required debug files not found
locally.

- Display negative tid in non-sample events in 'perf script'.

- Make GTK2 support opt-in

- Add build test with GTK+

- Add missing -lzstd to the fast path feature detection

- Add scripts to auto generate 'mmap', 'mremap' string<->id tables for
use in 'perf trace'.

- Show python test script in verbose mode.

- Fix uncore metric expressions

- Msan uninitialized use fixes.

- Use condition variables in 'perf bench numa'

- Autodetect python3 binary in systems without python2.

- Support md5 build ids in addition to sha1.

- Add build id 'perf test' regression test.

- Fix printable strings in python3 scripts.

- Fix off by ones in 'perf trace' in arches using libaudit.

- Fix JSON event code for events referencing std arch events.

- Introduce 'perf test' shell script for Arm CoreSight testing.

- Add rdtsc() for Arm64 for used in the PERF_RECORD_TIME_CONV metadata
event and in 'perf test tsc'.

- 'perf c2c' improvements: Add "RMT Load Hit" metric, "Total Stores",
fixes and documentation update.

- Fix usage of reloc_sym in 'perf probe' when using both kallsyms and
debuginfo files.

- Do not print 'Metric Groups:' unnecessarily in 'perf list'

- Refcounting fixes in the event parsing code.

- Add expand cgroup event 'perf test' entry.

- Fix out of bounds CPU map access when handling armv8_pmu events in
'perf stat'.

- Add build-id injection 'perf bench' benchmark.

- Enter namespace when reading build-id in 'perf inject'.

- Do not load map/dso when injecting build-id speeding up the 'perf
inject' process.

- Add --buildid-all option to avoid processing all samples, just the
mmap metadata events.

- Add feature test to check if libbfd has buildid support

- Add 'perf test' entry for PE binary format support.

- Fix typos in power8 PMU vendor events JSON files.

- Hide libtraceevent non API functions.

* tag 'perf-tools-for-v5.10-2020-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (113 commits)
perf c2c: Update documentation for metrics reorganization
perf c2c: Add metrics "RMT Load Hit"
perf c2c: Correct LLC load hit metrics
perf c2c: Change header for LLC local hit
perf c2c: Use more explicit headers for HITM
perf c2c: Change header from "LLC Load Hitm" to "Load Hitm"
perf c2c: Organize metrics based on memory hierarchy
perf c2c: Display "Total Stores" as a standalone metrics
perf c2c: Display the total numbers continuously
perf bench: Use condition variables in numa.
perf jevents: Fix event code for events referencing std arch events
perf diff: Support hot streams comparison
perf streams: Report hot streams
perf streams: Calculate the sum of total streams hits
perf streams: Link stream pair
perf streams: Compare two streams
perf streams: Get the evsel_streams by evsel_idx
perf streams: Introduce branch history "streams"
perf intel-pt: Improve PT documentation slightly
perf tools: Add support for exclusive groups/events
...

parents a1e16bc7 744aec4d

tools/build/Makefile.feature

+4 −3

Original line number	Diff line number	Diff line
		@@ -38,9 +38,8 @@ FEATURE_TESTS_BASIC := \
		get_current_dir_name \
		gettid \
		glibc \
		gtk2 \
		gtk2-infobar \
		libbfd \
		libbfd-buildid \
		libcap \
		libelf \
		libelf-getphdrnum \
		@@ -80,6 +79,8 @@ FEATURE_TESTS_EXTRA := \
		compile-32 \
		compile-x32 \
		cplus-demangle \
		gtk2 \
		gtk2-infobar \
		hello \
		libbabeltrace \
		libbfd-liberty \
		@@ -110,8 +111,8 @@ FEATURE_DISPLAY ?= \
		dwarf \
		dwarf_getlocations \
		glibc \
		gtk2 \
		libbfd \
		libbfd-buildid \
		libcap \
		libelf \
		libnuma \

tools/build/feature/Makefile

+5 −1

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@ FILES= \
		test-hello.bin \
		test-libaudit.bin \
		test-libbfd.bin \
		test-libbfd-buildid.bin \
		test-disassembler-four-args.bin \
		test-reallocarray.bin \
		test-libbfd-liberty.bin \
		@@ -89,7 +90,7 @@ __BUILDXX = $(CXX) $(CXXFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.cpp,$(
		###############################

		$(OUTPUT)test-all.bin:
		$(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma
		$(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -I/usr/include/slang -lslang $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma -lzstd

		$(OUTPUT)test-hello.bin:
		$(BUILD)
		@@ -225,6 +226,9 @@ $(OUTPUT)test-libpython-version.bin:
		$(OUTPUT)test-libbfd.bin:
		$(BUILD) -DPACKAGE='"perf"' -lbfd -ldl

		$(OUTPUT)test-libbfd-buildid.bin:
		$(BUILD) -DPACKAGE='"perf"' -lbfd -ldl

		$(OUTPUT)test-disassembler-four-args.bin:
		$(BUILD) -DPACKAGE='"perf"' -lbfd -lopcodes

tools/build/feature/test-all.c

+5 −10

Original line number	Diff line number	Diff line
		@@ -74,18 +74,14 @@
		# include "test-libslang.c"
		#undef main

		#define main main_test_gtk2
		# include "test-gtk2.c"
		#undef main

		#define main main_test_gtk2_infobar
		# include "test-gtk2-infobar.c"
		#undef main

		#define main main_test_libbfd
		# include "test-libbfd.c"
		#undef main

		#define main main_test_libbfd_buildid
		# include "test-libbfd-buildid.c"
		#undef main

		#define main main_test_backtrace
		# include "test-backtrace.c"
		#undef main
		@@ -201,9 +197,8 @@ int main(int argc, char *argv[])
		main_test_libelf_getshdrstrndx();
		main_test_libunwind();
		main_test_libslang();
		main_test_gtk2(argc, argv);
		main_test_gtk2_infobar(argc, argv);
		main_test_libbfd();
		main_test_libbfd_buildid();
		main_test_backtrace();
		main_test_libnuma();
		main_test_numa_num_possible_cpus();

tools/build/feature/test-libbfd-buildid.c

0 → 100644

+8 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0
		#include <bfd.h>

		int main(void)
		{
		bfd *abfd = bfd_openr("Pedro", 0);
		return abfd && (!abfd->build_id \|\| abfd->build_id->size > 0x506564726f);
		}

tools/lib/perf/evlist.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -45,6 +45,9 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
		if (!evsel->own_cpus \|\| evlist->has_user_cpus) {
		perf_cpu_map__put(evsel->cpus);
		evsel->cpus = perf_cpu_map__get(evlist->cpus);
		} else if (!evsel->system_wide && perf_cpu_map__empty(evlist->cpus)) {
		perf_cpu_map__put(evsel->cpus);
		evsel->cpus = perf_cpu_map__get(evlist->cpus);
		} else if (evsel->cpus != evsel->own_cpus) {
		perf_cpu_map__put(evsel->cpus);
		evsel->cpus = perf_cpu_map__get(evsel->own_cpus);

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