Re: [PATCH] drivers/perf: riscv_pmu: Add riscv pmu pm notifier

[Will Deacon]

On Tue, 5 Jul 2022 17:19:20 +0800, Eric Lin wrote:
> Currently, when the CPU is doing suspend to ram, we don't
> save pmu counter register and its content will be lost.
> 
> To ensure perf profiling is not affected by suspend to ram,
> this patch is based on arm_pmu CPU_PM notifier and implements riscv
> pmu pm notifier. In the pm notifier, we stop the counter and update
> the counter value before suspend and start the counter after resume.
> 
> [...]

Applied to will (for-next/perf), thanks!

[1/1] drivers/perf: riscv_pmu: Add riscv pmu pm notifier
      https://git.kernel.org/will/c/e9a023f2b73a

Cheers,
-- 
Will

https://fixes.arm64.dev
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