Re: AMD EPYC throttled to 400 mhz

To: debian-user@lists.debian.org
Subject: Re: AMD EPYC throttled to 400 mhz
From: didier gaumet <didier.gaumet@gmail.com>
Date: Mon, 17 Jan 2022 18:48:26 +0100
Message-id: <[🔎] 685a4bb0939b6ce1f7be1704f5753a43e2406c37.camel@gmail.com>
In-reply-to: <[🔎] 73a86e77-aa2e-3238-7204-da20dcf60cfd@familiekainz.at>
References: <[🔎] 1f1f41a6-2143-7801-7bc3-d25e75ae8a3f@familiekainz.at> <[🔎] d0cc2186-e9b3-8ef3-5074-2359e0e66717@gmail.com> <[🔎] 73a86e77-aa2e-3238-7204-da20dcf60cfd@familiekainz.at>

Hello Simon,

Disclaimer: I am nowhere near knowledgeable regarding cpu frequency
scaling

Perhaps will you find tips in the official Lenovo doc to fine tune
power saving under Linux for Thinksystem:
https://lenovopress.com/lp0826.pdf
it seems to require setup up the UEFI accordingly to use acpi-cpufreq

and there is a recent amd-pstate similar to intel-pstate, which should
provide the best results:
https://www.phoronix.com/scan.php?page=news_item&px=AMD-PSTATE-2021

Reply to:

References:
- AMD EPYC throttled to 400 mhz
  - From: Simon Kainz <simon@familiekainz.at>
- Re: AMD EPYC throttled to 400 mhz
  - From: "Alexander V. Makartsev" <avbetev@gmail.com>
- Re: AMD EPYC throttled to 400 mhz
  - From: Simon Kainz <simon@familiekainz.at>

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