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[0/4] perf stat: Fix bperf cgroup counters (v2)

Message ID 20220916184132.1161506-1-namhyung@kernel.org (mailing list archive)
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Series perf stat: Fix bperf cgroup counters (v2) | expand

Message

Namhyung Kim Sept. 16, 2022, 6:41 p.m. UTC 
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

Comments

Arnaldo Carvalho de Melo Sept. 20, 2022, 7:53 p.m. UTC | #1 
Em Fri, Sep 16, 2022 at 11:41:28AM -0700, Namhyung Kim escreveu:
> 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

Thanks, applied.

- Arnaldo

 
> 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