Re: [RFC/PATCH 00/25] perf stat: Introduce --per-task option

Jiri Olsa
2015-06-10T18:16:51Z

On Wed, Jun 10, 2015 at 08:10:33PM +0200, Jiri Olsa wrote:
> hi,
> adding the possibility to display stat data per thread.
> Allowing following commands and output:

available in here:
git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
perf/per_task

jirka

>
> $ perf stat -e cycles,instructions --per-task -p 12451,16173
> ^C
> Performance counter stats for process id '12451,16173':
>
> TASK-12451 77,784 cycles
> TASK-16173 64,809 cycles
> TASK-12451 14,432 instructions
> TASK-16173 14,452 instructions
>
> 3.854957122 seconds time elapsed
>
> Also woks under interval mode:
>
> $ ./perf stat -e cycles,instructions --per-task -p 16431,16173 -I 1000
> # time task counts unit events
> 1.000085816 TASK-16173 0 cycles
> 1.000085816 TASK-16431 3,358,360,926 cycles
> 1.000085816 TASK-16173 0 instructions
> 1.000085816 TASK-16431 9,062,422,086 instructions
> 2.000212262 TASK-16173 65,386 cycles
> 2.000212262 TASK-16431 3,349,355,309 cycles
> 2.000212262 TASK-16173 12,151 instructions
> 2.000212262 TASK-16431 9,039,401,422 instructions
> 3.000333402 TASK-16173 62,797 cycles
> 3.000333402 TASK-16431 3,357,140,183 cycles
> 3.000333402 TASK-16173 12,208 instructions
> 3.000333402 TASK-16431 9,058,080,762 instructions
> ^C 3.375949851 TASK-16173 0 cycles
> 3.375949851 TASK-16431 1,264,764,804 cycles
> 3.375949851 TASK-16173 0 instructions
> 3.375949851 TASK-16431 3,414,532,317 instructions
>
> thanks for comments,
> jirka
>
>
> ---
> Jiri Olsa (25):
> perf tools: Fix python code with missing stat dependency
> perf tools: Introduce xyarray__zero function
> 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 stat: Introduce perf_counts__(alloc|free|reset) functions
> 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: Move perf_evsel__(alloc|free|reset)_stat_priv into evsel object
> perf stat: Move perf_evsel__(alloc|free)_prev_raw_counts into evsel object
> perf stat: Move perf_evlist__(alloc|free)_stats into evlist 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: Introduce print_counters function
> perf stat: Introduce --per-task option
>
> tools/perf/builtin-stat.c | 388 +++++++++++++++++++++++++++++--------------------------------
> 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.c | 6 +-
> tools/perf/tests/switch-tracking.c | 4 +-
> tools/perf/util/cpumap.c | 24 +++-
> tools/perf/util/cpumap.h | 5 +-
> tools/perf/util/evlist.c | 61 +++++++++-
> tools/perf/util/evlist.h | 2 +
> tools/perf/util/evsel.c | 128 ++++++++++++++++----
> tools/perf/util/evsel.h | 48 ++++++--
> 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.h | 1 +
> tools/perf/util/svghelper.c | 2 +-
> tools/perf/util/thread_map.c | 28 ++++-
> tools/perf/util/thread_map.h | 6 +-
> tools/perf/util/xyarray.c | 8 ++
> tools/perf/util/xyarray.h | 2 +
> 25 files changed, 484 insertions(+), 267 deletions(-)