linux-kernel - [PATCH 0/4] perf stat: Fix bperf cgroup counters (v2)

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Date:   Fri, 16 Sep 2022 11:41:28 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org, Song Liu <songliubraving@...com>,
        bpf@...r.kernel.org
Subject: [PATCH 0/4] perf stat: Fix bperf cgroup counters (v2)

Hello,

This fixes random failures in the perf stat cgroup BPF counters (bperf).
I've also added a new test to ensure it working properly.

v2 changes)
 * fix a segfault with uncore event

You can get it from 'perf/bperf-cgrp-fix-v2' branch in

  git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git

Thanks,
Namhyung


Namhyung Kim (4):
  perf stat: Fix BPF program section name
  perf stat: Fix cpu map index in bperf cgroup code
  perf stat: Use evsel->core.cpus to iterate cpus in BPF cgroup counters
  perf test: Add a new test for perf stat cgroup BPF counter

 .../tests/shell/stat_bpf_counters_cgrp.sh     | 83 +++++++++++++++++++
 tools/perf/util/bpf_counter_cgroup.c          | 10 +--
 tools/perf/util/bpf_skel/bperf_cgroup.bpf.c   |  2 +-
 3 files changed, 89 insertions(+), 6 deletions(-)
 create mode 100755 tools/perf/tests/shell/stat_bpf_counters_cgrp.sh


base-commit: 62e64c9d2fd12839c02f1b3e8b873e7cb34e8720
-- 
2.37.3.968.ga6b4b080e4-goog