From: bugzilla-daemon@kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 215729] New: amd-pstate driver has a much higher idle power consumption for a desktop Zen 3 CPU
Date: Tue, 22 Mar 2022 23:58:03 +0000 [thread overview]
Message-ID: <bug-215729-137361@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=215729
Bug ID: 215729
Summary: amd-pstate driver has a much higher idle power
consumption for a desktop Zen 3 CPU
Product: Power Management
Version: 2.5
Kernel Version: 5.17
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: cpufreq
Assignee: linux-pm@vger.kernel.org
Reporter: aros@gmx.com
Regression: No
I have a Ryzen 7 5800X CPU.
With the acpi-cpufreq driver the CPU idles around 20W, frequencies are in the
range of 2.2-2.8GHz.
The very same system with the amd-pstate driver idles around 25W frequencies
are in the range of 3.9-4.75GHz.
This doesn't look right.
Changing governor from ondemand to powersave reduces idle power consumption to
around 21.5W (still higher than with acpi-cpufreq) but this obvious completely
destroys performance.
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next reply other threads:[~2022-03-22 23:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-22 23:58 bugzilla-daemon [this message]
2022-03-22 23:59 ` [Bug 215729] amd-pstate driver has a much higher idle power consumption for a desktop Zen 3 CPU bugzilla-daemon
2022-03-23 0:01 ` bugzilla-daemon
2022-03-23 2:09 ` bugzilla-daemon
2022-03-23 15:35 ` bugzilla-daemon
2022-03-23 15:41 ` bugzilla-daemon
2022-03-23 15:58 ` bugzilla-daemon
2022-03-23 16:04 ` bugzilla-daemon
2022-04-28 8:49 ` bugzilla-daemon
2022-05-09 8:38 ` bugzilla-daemon
2023-07-07 13:24 ` bugzilla-daemon
2023-09-15 10:24 ` bugzilla-daemon
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