Re: [PATCH v1] perf arm: Workaround ARM PMUs cpu maps having offline cpus
From: Namhyung Kim
Date: Mon Jun 24 2024 - 13:50:59 EST
On Thu, 06 Jun 2024 23:53:43 -0700, Ian Rogers wrote:
> When PMUs have a cpu map in the 'cpus' or 'cpumask' file, perf will
> try to open events on those CPUs. ARM doesn't remove offline CPUs
> meaning taking a CPU offline will cause perf commands to fail unless a
> CPU map is passed on the command line.
>
> More context in:
> https://lore.kernel.org/lkml/20240603092812.46616-1-yangyicong@xxxxxxxxxx/
>
> [...]
Applied to perf-tools-next, thanks!
Best regards,
Namhyung