linux-kernel - Re: [RFCv2 0/7] libperf: Add leader/group info to perf

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Date:   Wed, 7 Jul 2021 20:20:04 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Ian Rogers <irogers@...gle.com>, nakamura.shun@...itsu.com,
        linux-perf-users@...r.kernel.org
Subject: Re: [RFCv2 0/7] libperf: Add leader/group info to perf_evsel

On Wed, Jul 07, 2021 at 11:47:23AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jul 06, 2021 at 05:16:57PM +0200, Jiri Olsa escreveu:
> > hi,
> > moving leader/group info to libperf's perf_evsel.
> > 
> > This was asked for by Shunsuke [1] and is on my list
> > as a prereq for event parsing move to libperf.
> 
> So I'll add a:
> 
> Requested-by: Shunsuke Nakamura <nakamura.shun@...itsu.com>

yep, but let's hear from him first if that's the case actualy ;-)

he did not mention any specific interface.. so I wonder
what we have is ok with him

thanks,
jirka

> 
> - Arnaldo
>  
> > I still need to do more tests, but I'd like to check
> > with you guys if there's any feedback on this first.
> > 
> > Also available in:
> >   git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
> >   libperf/groups
> > 
> > v2 change:
> >   - repost due to smtp failures, no changes
> > 
> > thanks,
> > jirka
> > 
> > 
> > [1] https://lore.kernel.org/linux-perf-users/OSBPR01MB46005B38568E90509946ECA9F7319@OSBPR01MB4600.jpnprd01.prod.outlook.com/
> > 
> > 
> > ---
> > Jiri Olsa (7):
> >       libperf: Change tests to single static and shared binaries
> >       libperf: Move idx to perf_evsel::idx
> >       libperf: Move leader to perf_evsel::leader
> >       libperf: Move nr_groups to evlist::nr_groups
> >       libperf: Add perf_evlist__set_leader function
> >       libperF: Add group support to perf_evsel__open
> >       libperf: Add tests for perf_evlist__set_leader function
> > 
> >  tools/lib/perf/Build                     |  2 ++
> >  tools/lib/perf/Makefile                  | 30 +++++++++++++++++++++++++-----
> >  tools/lib/perf/evlist.c                  | 22 ++++++++++++++++++++++
> >  tools/lib/perf/evsel.c                   | 33 +++++++++++++++++++++++++++++----
> >  tools/lib/perf/include/internal/evlist.h |  2 ++
> >  tools/lib/perf/include/internal/evsel.h  |  5 ++++-
> >  tools/lib/perf/include/internal/tests.h  |  4 ++--
> >  tools/lib/perf/include/perf/evlist.h     |  1 +
> >  tools/lib/perf/libperf.map               |  1 +
> >  tools/lib/perf/tests/Build               |  5 +++++
> >  tools/lib/perf/tests/Makefile            | 40 ----------------------------------------
> >  tools/lib/perf/tests/main.c              | 15 +++++++++++++++
> >  tools/lib/perf/tests/test-cpumap.c       |  3 ++-
> >  tools/lib/perf/tests/test-evlist.c       | 30 +++++++++++++++++++++++-------
> >  tools/lib/perf/tests/test-evsel.c        |  3 ++-
> >  tools/lib/perf/tests/test-threadmap.c    |  3 ++-
> >  tools/lib/perf/tests/tests.h             | 10 ++++++++++
> >  tools/perf/arch/x86/util/iostat.c        |  4 ++--
> >  tools/perf/builtin-diff.c                |  4 ++--
> >  tools/perf/builtin-record.c              |  4 ++--
> >  tools/perf/builtin-report.c              |  8 ++++----
> >  tools/perf/builtin-script.c              |  9 +++++----
> >  tools/perf/builtin-stat.c                | 12 ++++++------
> >  tools/perf/builtin-top.c                 | 10 +++++-----
> >  tools/perf/tests/bpf.c                   |  2 +-
> >  tools/perf/tests/evsel-roundtrip-name.c  |  6 +++---
> >  tools/perf/tests/mmap-basic.c            |  8 ++++----
> >  tools/perf/tests/parse-events.c          | 74 +++++++++++++++++++++++++++++++++++++-------------------------------------
> >  tools/perf/tests/pfm.c                   |  4 ++--
> >  tools/perf/ui/browsers/annotate.c        |  2 +-
> >  tools/perf/util/annotate.c               |  8 ++++----
> >  tools/perf/util/auxtrace.c               | 12 ++++++------
> >  tools/perf/util/cgroup.c                 |  2 +-
> >  tools/perf/util/evlist.c                 | 44 +++++++++++++-------------------------------
> >  tools/perf/util/evlist.h                 |  2 --
> >  tools/perf/util/evsel.c                  | 32 +++++++++++++++++++++++++-------
> >  tools/perf/util/evsel.h                  | 14 ++++++++------
> >  tools/perf/util/header.c                 | 18 +++++++++---------
> >  tools/perf/util/metricgroup.c            | 22 +++++++++++-----------
> >  tools/perf/util/parse-events.c           |  8 ++++----
> >  tools/perf/util/pfm.c                    |  2 +-
> >  tools/perf/util/python.c                 |  2 +-
> >  tools/perf/util/record.c                 |  6 +++---
> >  tools/perf/util/stat-shadow.c            |  2 +-
> >  tools/perf/util/stat.c                   |  2 +-
> >  tools/perf/util/stream.c                 |  2 +-
> >  46 files changed, 310 insertions(+), 224 deletions(-)
> >  create mode 100644 tools/lib/perf/tests/Build
> >  delete mode 100644 tools/lib/perf/tests/Makefile
> >  create mode 100644 tools/lib/perf/tests/main.c
> >  create mode 100644 tools/lib/perf/tests/tests.h
> > 
> 
> -- 
> 
> - Arnaldo
>