perf/core: Fix broken throttling bugs

[PATCH 0/2] perf/core: Fix broken throttling bugs

Posted by Qing Wong 10 months, 1 week ago

From: Qing Wang <wangqing7171@gmail.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(-)

-- 
2.43.0

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

Posted by Qing Wang 9 months, 3 weeks ago

Hello,

PING.

Thanks,
Qing.

On 4/5/2025 10:16 PM, Qing Wong wrote:
> From: Qing Wang <wangqing7171@gmail.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(-)
>