Re: [PATCH v8 0/4] Tracing contention lock owner call stack

[Namhyung Kim]

On Wed, 26 Feb 2025 16:28:52 -0800, Chun-Tse Shao wrote:
> For perf lock contention, the current owner tracking (-o option) only
> works with per-thread mode (-t option). Enabling call stack mode for
> owner can be useful for diagnosing why a system running slow in
> lock contention.
> 
> Example output:
>   $ sudo ~/linux/tools/perf/perf lock con -abvo -Y mutex -E16 perf bench sched pipe
>    ...
>    contended   total wait     max wait     avg wait         type   caller
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung