Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH] drivers/perf: riscv_pmu: Add riscv pmu pm notifier | Date | Wed, 6 Jul 2022 17:50:31 +0100 |
| |
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 https://next.arm64.dev https://will.arm64.dev
| |