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

[Jiri Olsa <jolsa@redhat.com>]

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(-)