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SubjectRe: [PATCH 2/2] perf lock: Add -t/--thread option for report
Hi Arnaldo,

On Mon, May 23, 2022 at 5:50 AM Arnaldo Carvalho de Melo
<acme@kernel.org> wrote:
> Applied both and added this:
>
> ⬢[acme@toolbox perf]$ git diff
> diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
> index b43222229807672c..656b537b2fba078f 100644
> --- a/tools/perf/Documentation/perf-lock.txt
> +++ b/tools/perf/Documentation/perf-lock.txt
> @@ -64,6 +64,27 @@ REPORT OPTIONS
> --combine-locks::
> Merge lock instances in the same class (based on name).
>
> +-t::
> +--threads::
> + The -t option is to show per-thread lock stat like below:
> +
> + $ perf lock report -t -F acquired,contended,avg_wait
> +
> + Name acquired contended avg wait (ns)
> +
> + perf 240569 9 5784
> + swapper 106610 19 543
> + :15789 17370 2 14538
> + ContainerMgr 8981 6 874
> + sleep 5275 1 11281
> + ContainerThread 4416 4 944
> + RootPressureThr 3215 5 1215
> + rcu_preempt 2954 0 0
> + ContainerMgr 2560 0 0
> + unnamed 1873 0 0
> + EventManager_De 1845 1 636
> + futex-default-S 1609 0 0
> +
> INFO OPTIONS
> ------------

Thanks a lot for doing this!
Namhyung

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