From: "Doug Smythies" <dsmythies@telus.net>
To: "'Sergey Senozhatsky'" <senozhatsky@chromium.org>
Cc: "'Rafael J. Wysocki'" <rafael@kernel.org>,
"'Christian Loehle'" <christian.loehle@arm.com>,
"'Linux PM'" <linux-pm@vger.kernel.org>,
"'LKML'" <linux-kernel@vger.kernel.org>,
"'Artem Bityutskiy'" <artem.bityutskiy@linux.intel.com>,
"'Tomasz Figa'" <tfiga@chromium.org>,
"Doug Smythies" <dsmythies@telus.net>
Subject: RE: [PATCH v1] cpuidle: governors: menu: Predict longer idle time when in doubt
Date: Wed, 22 Oct 2025 19:24:11 -0700 [thread overview]
Message-ID: <001d01dc43c4$1f131eb0$5d395c10$@telus.net> (raw)
In-Reply-To: <zq6mqdrq2kxmyga2skrizuj63ocbab2o2k3ogeufq3sydmwyuo@epxcrwomkvvp>
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
prev parent reply other threads:[~2025-10-23 2:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-16 16:25 [PATCH v1] cpuidle: governors: menu: Predict longer idle time when in doubt Rafael J. Wysocki
2025-10-17 8:22 ` Christian Loehle
2025-10-17 9:39 ` Rafael J. Wysocki
2025-10-17 18:37 ` Christian Loehle
2025-10-18 11:46 ` Rafael J. Wysocki
2025-10-18 15:10 ` Doug Smythies
2025-10-19 14:45 ` Christian Loehle
2025-10-20 13:18 ` Rafael J. Wysocki
2025-10-21 3:45 ` Sergey Senozhatsky
2025-10-21 3:43 ` Sergey Senozhatsky
2025-10-21 14:30 ` Doug Smythies
2025-10-22 8:00 ` Sergey Senozhatsky
2025-10-23 2:24 ` Doug Smythies [this message]
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