linux-kernel - Re: [GIT PULL] Scheduler changes for v6.8

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Date: Fri, 12 Jan 2024 17:31:13 -0800
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Qais Yousef <qyousef@...alina.io>
Cc: Vincent Guittot <vincent.guittot@...aro.org>, Dietmar Eggemann <dietmar.eggemann@....com>, 
	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org, 
	Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, 
	Juri Lelli <juri.lelli@...hat.com>, Steven Rostedt <rostedt@...dmis.org>, 
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>, 
	Daniel Bristot de Oliveira <bristot@...hat.com>, Valentin Schneider <vschneid@...hat.com>
Subject: Re: [GIT PULL] Scheduler changes for v6.8

On Fri, 12 Jan 2024 at 17:24, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> With a *working* kernel, I get events, setting the frequency to either
> 2.2GHz (idle) or 3.8GHz (work).

Just to fix that - not 3.8Ghz, but in addition to 2.2 I see 2.8 or 3.7:

  ...
  <idle>-0       [034] d.s..   208.340412: cpu_frequency:
state=2200000 cpu_id=34
     cc1-101686  [034] d.h..   208.342402: cpu_frequency:
state=2800000 cpu_id=34
     cc1-101686  [034] d.h..   208.343401: cpu_frequency:
state=3700000 cpu_id=34
      sh-108794  [029] d.h..   216.401014: cpu_frequency:
state=2200000 cpu_id=29
      sh-108794  [029] d....   216.402670: cpu_frequency:
state=2800000 cpu_id=29
genksyms-108565  [029] d.h..   216.404005: cpu_frequency:
state=3700000 cpu_id=29
  ...

etc.

              Linus