linux-kernel - Re: stable: commit "cpuidle: menu: Avoid discarding useful information" causes regressions

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Message-ID: <7ctfmyzpcogc5qug6u3jm2o32vy2ldo3ml5gsoxdm3gyr6l3fc@jo7inkr3otua>
Date: Wed, 15 Oct 2025 10:29:36 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Christian Loehle <christian.loehle@....com>, 
	Sergey Senozhatsky <senozhatsky@...omium.org>, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>, 
	Sasha Levin <sashal@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, 
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, Tomasz Figa <tfiga@...omium.org>, 
	stable@...r.kernel.org
Subject: Re: stable: commit "cpuidle: menu: Avoid discarding useful
 information" causes regressions

On (25/10/14 17:54), Rafael J. Wysocki wrote:
> Sergey, can you please run the workload under turbostat on the base
> 6.1.y and on 6.1.y with the problematic commit reverted and send the
> turbostat output from both runs (note: turbostat needs to be run as
> root)?

Please find attached the turbostat logs for both cases.

View attachment "6.1-base-turbostat" of type "text/plain" (193645 bytes)

View attachment "6.1-revert-turbostat" of type "text/plain" (191972 bytes)