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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 215135] proposed cpufreq driver amd-pstate regresses wrt acpi-cpufreq on some AMD EPYC Zen3
Date: Thu, 25 Nov 2021 13:47:18 +0000	[thread overview]
Message-ID: <bug-215135-137361-kpGW42MISl@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-215135-137361@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=215135

--- Comment #1 from Giovanni Gherdovich (ggherdovich@suse.cz) ---
Created attachment 299709
  --> https://bugzilla.kernel.org/attachment.cgi?id=299709&action=edit
data for tbench, 128 clients

The attachment contains data for tbench, 128 clients. These are the throughput
reached in the various configuration; acpi-cpufreq/ondemand is the baseline,
higher is better.

acpi-cpufreq-ondemand  23092.2  MB/sec  ( 1.00)
acpi-cpufreq-perfgov   28880.1  MB/sec  ( 1.25)
acpi-cpufreq-sugov     31474    MB/sec  ( 1.36)

amd-pstate-ondemand    23820.4  MB/sec  ( 1.03)
amd-pstate-perfgov     27336.9  MB/sec  ( 1.18)
amd-pstate-sugov        6275.4  MB/sec  ( 0.27)

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  reply	other threads:[~2021-11-25 13:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-25 13:41 [Bug 215135] New: proposed cpufreq driver amd-pstate regresses wrt acpi-cpufreq on some AMD EPYC Zen3 bugzilla-daemon
2021-11-25 13:47 ` bugzilla-daemon [this message]
2022-01-18  9:54 ` [Bug 215135] " bugzilla-daemon
2022-06-24  1:24 ` bugzilla-daemon

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