linux-kernel - Re: [PATCH 0/2] perf/core: Fix broken throttling bugs

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Message-ID: <c4d3cd8f-7d9e-4827-b9e8-4ca8d7b9946d@gmail.com>
Date: Tue, 15 Apr 2025 22:22:34 +0800
From: Qing Wang <wangqing7171@...il.com>
To: peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
 namhyung@...nel.org, mark.rutland@....com,
 alexander.shishkin@...ux.intel.com, jolsa@...nel.org, irogers@...gle.com,
 adrian.hunter@...el.com, kan.liang@...ux.intel.com,
 linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] perf/core: Fix broken throttling bugs

Hello,

PING.

Thanks,
Qing.

On 4/5/2025 10:16 PM, Qing Wong wrote:
> From: Qing Wang <wangqing7171@...il.com>
>
> There is a bug that broken throttling, this patchset intends
> to improve the accuracy of throttling.
>
> This patchset does two changes:
>    - Revert a specific patch to avoid broken throttling when
>      max_samples_per_tick>1.
>    - Add throttling judgement when max_samples_per_tick=1.
>
> base-commit: acc4d5ff0b61
>
> Qing Wang (2):
>    Revert "perf/core: Fix hardlockup failure caused by perf throttle"
>    perf/core: Fix broken throttling when max_samples_per_tick=1
>
>   kernel/events/core.c | 17 ++++++++---------
>   1 file changed, 8 insertions(+), 9 deletions(-)
>