[PATCH] perf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start()

patchwork-bot+linux-riscv at kernel.org patchwork-bot+linux-riscv at kernel.org
Wed Jul 12 09:00:21 PDT 2023


Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer at rivosinc.com>:

On Mon, 10 Jul 2023 15:43:28 +0000 you wrote:
> Since commit 096b52fd2bb4 ("perf: RISC-V: throttle perf events") the
> perf_sample_event_took() function was added to report time spent in
> overflow interrupts. If the interrupt takes too long, the perf framework
> will lower the sysctl_perf_event_sample_rate and max_samples_per_tick.
> When hwc->interrupts is larger than max_samples_per_tick, the
> hwc->interrupts will be set to MAX_INTERRUPTS, and events will be
> throttled within the __perf_event_account_interrupt() function.
> 
> [...]

Here is the summary with links:
  - perf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start()
    https://git.kernel.org/riscv/c/66843b14fb71

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html





More information about the linux-riscv mailing list