From: bugzilla-daemon@bugzilla.kernel.org
To: linux-pm@vger.kernel.org
Subject: [Bug 206517] New: scaling_cur_freq very different from cpuinfo_cur_freq on Acer Predator Helios 500 PH517-61-R0GX
Date: Thu, 13 Feb 2020 15:27:52 +0000 [thread overview]
Message-ID: <bug-206517-137361@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=206517
Bug ID: 206517
Summary: scaling_cur_freq very different from cpuinfo_cur_freq
on Acer Predator Helios 500 PH517-61-R0GX
Product: Power Management
Version: 2.5
Kernel Version: 5.5.1
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: cpufreq
Assignee: linux-pm@vger.kernel.org
Reporter: bero@lindev.ch
Regression: No
On an Acer Predator Helios 500 PH517-61-R0GX, scaling_cur_freq values can vary
greatly from cpuinfo_cur_freq:
$ sudo cat /sys/devices/system/cpu/*/cpufreq/cpuinfo_cur_freq
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
3200000
$ cat /sys/devices/system/cpu/*/cpufreq/scaling_cur_freq
548955
548955
548955
548955
548955
548955
548955
548955
548955
548955
548955
548955
548955
548955
548955
548955
Unfortunately, the performance I'm seeing on this box while compiling stuff
makes me think scaling_cur_freq is reporting correctly and cpuinfo_cur_freq is
telling lies.
This might be related to bug 203035
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next reply other threads:[~2020-02-13 15:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-13 15:27 bugzilla-daemon [this message]
2020-02-14 8:02 ` [Bug 206517] scaling_cur_freq very different from cpuinfo_cur_freq on Acer Predator Helios 500 PH517-61-R0GX bugzilla-daemon
2020-06-29 12:16 ` bugzilla-daemon
2020-06-29 12:17 ` bugzilla-daemon
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