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Date: Mon, 22 Jun 2015 20:06:00 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Jiri Olsa <jolsa@...nel.org> Cc: lkml <linux-kernel@...r.kernel.org>, Adrian Hunter <adrian.hunter@...el.com>, Andi Kleen <ak@...ux.intel.com>, David Ahern <dsahern@...il.com>, Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Stephane Eranian <eranian@...gle.com> Subject: Re: [PATCHv4 00/27] perf stat: Introduce --per-thread option Em Tue, Jun 23, 2015 at 12:36:01AM +0200, Jiri Olsa escreveu: > hi, > adding the possibility to display stat data per thread. > > Allowing following commands and output: > > $ perf stat -e cycles,instructions --per-thread -p 30190,30242 While testing Adrian's Intel PT patchkit I realised we have --per-thread in 'record', wonder if using a long option with the exact same name but different meanings for 'stat' and 'record' would cause confusion... - Arnaldo > ^C > Performance counter stats for process id '30190,30242': > > cat-30190 0 cycles > yes-30242 3,842,525,421 cycles > cat-30190 0 instructions > yes-30242 10,370,817,010 instructions > > 1.143155657 seconds time elapsed > > > Also works under interval mode: > > $ perf stat -e cycles,instructions --per-thread -p 30190,30242 -I 1000 > # time comm-pid counts unit events > 1.000073435 cat-30190 89,058 cycles > 1.000073435 yes-30242 3,360,786,902 cycles (100.00%) > 1.000073435 cat-30190 14,066 instructions > 1.000073435 yes-30242 9,069,937,462 instructions > 2.000204830 cat-30190 0 cycles > 2.000204830 yes-30242 3,351,667,626 cycles > 2.000204830 cat-30190 0 instructions > 2.000204830 yes-30242 9,045,796,885 instructions > ^C 2.771286639 cat-30190 0 cycles > 2.771286639 yes-30242 2,593,884,166 cycles > 2.771286639 cat-30190 0 instructions > 2.771286639 yes-30242 7,001,171,191 instructions > > > Available in here: > git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git > perf/per_thread > > v4 changes: > - add thread_map__set_(pid|comm) interface > - several fixes for task comm string reading > - added perf_evlist__reset_stats function > > v3 changes: > - some patches already pulled in, rebased on latest acme's perf/core > - fixed cpu_map__get/thread_map__get to accept NULL map > - renamed propagate_maps to perf_evlist__propagate_maps > - renamed --per-task option to --per-thread > - changed 'task-pid' header output to 'comm-pid' > > v2 changes: > - renamed xyarray__zero to xyarray__reset > - using atomic_t for cpu_map/thread_map refcnt > - moving all stat functions into stat object > - using init_stats to initialize 'struct stats*' > - change TASK-$pid output into $comm-$pid > - updated doc with --per-task option > > > thanks, > jirka > --- > Jiri Olsa (27): > perf tools: Change thread_map::map into struct > perf tools: Add comm string into struct thread_map > perf tools: Add reference counting for cpu_map object > perf tools: Add reference counting for thread_map object > perf tools: Propagate cpu maps through the evlist > perf tools: Propagate thread maps through the evlist > perf tools: Make perf_evsel__(nr_)cpus generic > perf tests: Add thread_map object tests > perf stat: Introduce perf_counts function > perf stat: Use xyarray for cpu evsel counts > perf stat: Make stats work over the thread dimension > perf stat: Rename struct perf_counts::cpu member to values > perf stat: Introduce perf_evlist__reset_stats > perf stat: Move perf_evsel__(alloc|free|reset)_stat_priv into stat object > perf stat: Move perf_evsel__(alloc|free)_prev_raw_counts into stat object > perf stat: Move perf_evlist__(alloc|free|reset)_stats into stat object > perf stat: Introduce perf_evsel__alloc_stats function > perf stat: Introduce perf_evsel__read function > perf stat: Introduce read_counters function > perf stat: Separate counters reading and processing > perf stat: Move zero_per_pkg into counter process code > perf stat: Move perf_stat initialization counter process code > perf stat: Remove perf_evsel__read_cb function > perf stat: Rename print_interval to process_interval > perf stat: Using init_stats instead of memset > perf stat: Introduce print_counters function > perf stat: Introduce --per-thread option > > tools/perf/Documentation/perf-stat.txt | 4 + > tools/perf/builtin-stat.c | 404 ++++++++++++++-------------- > tools/perf/builtin-trace.c | 4 +- > tools/perf/tests/Build | 1 + > tools/perf/tests/builtin-test.c | 4 + > tools/perf/tests/code-reading.c | 4 +- > tools/perf/tests/keep-tracking.c | 4 +- > tools/perf/tests/mmap-basic.c | 4 +- > tools/perf/tests/mmap-thread-lookup.c | 2 +- > tools/perf/tests/openat-syscall-all-cpus.c | 8 +- > tools/perf/tests/openat-syscall-tp-fields.c | 2 +- > tools/perf/tests/openat-syscall.c | 6 +- > tools/perf/tests/switch-tracking.c | 4 +- > tools/perf/tests/tests.h | 1 + > tools/perf/tests/thread-map.c | 28 ++ > tools/perf/util/auxtrace.c | 4 +- > tools/perf/util/cpumap.c | 26 +- > tools/perf/util/cpumap.h | 6 +- > tools/perf/util/event.c | 6 +- > tools/perf/util/evlist.c | 39 ++- > tools/perf/util/evlist.h | 1 - > tools/perf/util/evsel.c | 28 +- > tools/perf/util/evsel.h | 40 ++- > tools/perf/util/parse-events.c | 5 +- > tools/perf/util/python-ext-sources | 1 + > tools/perf/util/python.c | 4 +- > tools/perf/util/record.c | 4 +- > tools/perf/util/session.c | 2 +- > tools/perf/util/stat.c | 132 ++++++++- > tools/perf/util/stat.h | 47 +++- > tools/perf/util/svghelper.c | 2 +- > tools/perf/util/thread_map.c | 118 ++++++-- > tools/perf/util/thread_map.h | 35 ++- > 33 files changed, 661 insertions(+), 319 deletions(-) > create mode 100644 tools/perf/tests/thread-map.c -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
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