linux-kernel - Re: cpufreq/thermal regression in 6.10

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Date: Fri, 21 Jun 2024 21:59:51 +0200
From: Jens Glathe <jens.glathe@...schoolsolutions.biz>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Johan Hovold <johan@...nel.org>,
 "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
 Daniel Lezcano <daniel.lezcano@...aro.org>,
 Viresh Kumar <viresh.kumar@...aro.org>, Zhang Rui <rui.zhang@...el.com>,
 Lukasz Luba <lukasz.luba@....com>, Steev Klimaszewski <steev@...i.org>,
 linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
 regressions@...ts.linux.dev
Subject: Re: cpufreq/thermal regression in 6.10

Hi there,

thank you for the fast fix. Applied, built, installed. Test is
successful, performance core scaling up to 2995200 comes back when skin
temp drops below 55°C.

Tested-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>

Cheers

Jens

On 6/21/24 18:41, Rafael J. Wysocki wrote:
> Hi,
>
> On Fri, Jun 21, 2024 at 5:53 PM Jens Glathe
> <jens.glathe@...schoolsolutions.biz> wrote:
>> Hi there,
>>
>> unfortunately I experienced the issue with the fix applied. I had to
>> revert this and  the original commit to get back to normal behaviour. My
>> system (also Lenovo Thinkpad X13s) uses the schedutil governor, the
>> behaviour is as described from Steev and Johan. The full throttling
>> happened during a package build and left the performance cores at 940800.
> So can you please test the attached patch, on top of the fix?