Re: stable 6.6: commit "sched/cpufreq: Rework schedutil governor performance estimation' causes a regression

[Vincent Guittot]

On Thu, 20 Nov 2025 at 05:45, Sergey Senozhatsky
<senozhatsky@xxxxxxxxxxxx> wrote:
>
> Hi,
>
> We are observing a performance regression on one of our arm64 boards.
> We tracked it down to the linux-6.6.y commit ada8d7fa0ad4 ("sched/cpufreq:
> Rework schedutil governor performance estimation").

Do you have the fix ?
https://lore.kernel.org/all/170539970061.398.16662091173685476681.tip-bot2@tip-bot2/

And do you have more details to share?

>
> UI speedometer benchmark:
> w/commit:       395  +/-38
> w/o commit:     439  +/-14