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* stable 6.6: commit "sched/cpufreq: Rework schedutil governor performance estimation' causes a regression
@ 2025-11-20  4:45 Sergey Senozhatsky
  2025-11-20 10:15 ` Christian Loehle
  2025-11-20 10:55 ` Vincent Guittot
  0 siblings, 2 replies; 19+ messages in thread
From: Sergey Senozhatsky @ 2025-11-20  4:45 UTC (permalink / raw)
  To: Vincent Guittot, Rafael J. Wysocki
  Cc: Viresh Kumar, Greg Kroah-Hartman, Yu-Che Cheng, Tomasz Figa,
	stable, linux-pm, linux-kernel, Sergey Senozhatsky

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").

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

^ permalink raw reply	[flat|nested] 19+ messages in thread

end of thread, other threads:[~2025-11-26  9:34 UTC | newest]

Thread overview: 19+ messages (download: mbox.gz follow: Atom feed
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2025-11-20  4:45 stable 6.6: commit "sched/cpufreq: Rework schedutil governor performance estimation' causes a regression Sergey Senozhatsky
2025-11-20 10:15 ` Christian Loehle
2025-11-21  3:55   ` Sergey Senozhatsky
2025-11-21  7:02     ` Sergey Senozhatsky
2025-11-21  7:22       ` Vincent Guittot
2025-11-21 13:59     ` Vincent Guittot
2025-11-21 15:53       ` Yu-Che Cheng
     [not found]       ` <CAKchOA03GKXMUbfVvEXtyp3=-t0mWOzQVHNkB6F9QsMfTzCofA@mail.gmail.com>
2025-11-21 16:35         ` Christian Loehle
2025-11-21 16:42           ` Christian Loehle
2025-11-24 16:30             ` Vincent Guittot
2025-11-24 16:40               ` Vincent Guittot
2025-11-25 12:03                 ` Yu-Che Cheng
2025-11-21 17:58           ` Vincent Guittot
2025-11-21 18:25             ` Yu-Che Cheng
2025-11-25  9:46     ` Lukasz Luba
2025-11-25 13:01       ` Yu-Che Cheng
2025-11-26  9:35         ` Lukasz Luba
2025-11-20 10:55 ` Vincent Guittot
2025-11-21  3:00   ` Sergey Senozhatsky

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