linux-kernel - RE: [PATCH v1] cpuidle: governors: menu: Predict longer idle time when in doubt

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Message-ID: <001d01dc43c4$1f131eb0$5d395c10$@telus.net>
Date: Wed, 22 Oct 2025 19:24:11 -0700
From: "Doug Smythies" <dsmythies@...us.net>
To: "'Sergey Senozhatsky'" <senozhatsky@...omium.org>
Cc: "'Rafael J. Wysocki'" <rafael@...nel.org>,
	"'Christian Loehle'" <christian.loehle@....com>,
	"'Linux PM'" <linux-pm@...r.kernel.org>,
	"'LKML'" <linux-kernel@...r.kernel.org>,
	"'Artem Bityutskiy'" <artem.bityutskiy@...ux.intel.com>,
	"'Tomasz Figa'" <tfiga@...omium.org>,
	"Doug Smythies" <dsmythies@...us.net>
Subject: RE: [PATCH v1] cpuidle: governors: menu: Predict longer idle time when in doubt

On 2025.10.22 01:01 Sergey Senozhatsky wrote:
> On (25/10/21 07:30), Doug Smythies wrote:
>> For your system booted with "base" and "revert" do:
>> 
>> echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
>> echo 2300000 | sudo tee /sys/devices/system/cpu/cpufreq/policy*/scaling_max_freq
>
> Alright, here are the results:
> 
> ~ # echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
> performance
> ~ # echo 2300000 | sudo tee /sys/devices/system/cpu/cpufreq/policy*/scaling_max_freq
> 2300000
>
> Base:		52.5
> Revert:	45.5

So, still 15.4 %.

Thank you very much.
I wish I could create a test that would show such results on my test computer and believe me I have tried.
I haven't been able to.

... Doug