From: Prarit Bhargava <prarit@redhat.com>
To: Doug Smythies <dsmythies@telus.net>
Cc: 'Kristen Carlson Accardi' <kristen@linux.intel.com>,
linux-kernel@vger.kernel.org,
'Viresh Kumar' <viresh.kumar@linaro.org>,
linux-pm@vger.kernel.org,
"'Rafael J. Wysocki'" <rjw@rjwysocki.net>
Subject: Re: [PATCH] cpufreq, intel_pstate, set max_sysfs_pct and min_sysfs_pct on governor switch
Date: Wed, 07 Oct 2015 11:46:29 -0400 [thread overview]
Message-ID: <56153E55.3060306@redhat.com> (raw)
In-Reply-To: <000301d10116$88852330$998f6990$@net>
On 10/07/2015 11:40 AM, Doug Smythies wrote:
>
> Do we agree or disagree that the root issue seems to be (from your test)?:
>
> \# echo 100 > /sys/devices/system/cpu/intel_pstate/min_perf_pct
>
> [ 21.483436] store_min_perf_pct[453] min_sysfs_pct = 100
> [ 21.489373] store_min_perf_pct[456] min_perf_pct = 100
> [ 21.495203] store_min_perf_pct[459] min_perf_pct = 100
> [ 21.501050] store_min_perf_pct[462] min_perf_pct = 100
Yep, and it appears to be done by default in Fedora & RHEL :/ ... the issue is
still the same IMO that min_sysfs_pct & max_sysfs_pct are not cleared on a
governor switch.
P.
next prev parent reply other threads:[~2015-10-07 15:46 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-06 21:49 [PATCH] cpufreq, intel_pstate, set max_sysfs_pct and min_sysfs_pct on governor switch Prarit Bhargava
2015-10-06 22:43 ` Rafael J. Wysocki
2015-10-06 23:06 ` Rafael J. Wysocki
2015-10-07 6:51 ` Doug Smythies
2015-10-07 6:51 ` Doug Smythies
2015-10-07 9:59 ` Prarit Bhargava
2015-10-07 14:04 ` Doug Smythies
2015-10-07 14:04 ` Doug Smythies
2015-10-07 14:10 ` Prarit Bhargava
2015-10-07 15:40 ` Doug Smythies
2015-10-07 15:40 ` Doug Smythies
2015-10-07 15:46 ` Prarit Bhargava [this message]
2015-10-07 18:52 ` Doug Smythies
2015-10-07 18:52 ` Doug Smythies
2015-10-07 20:40 ` Prarit Bhargava
2015-10-07 21:31 ` Prarit Bhargava
2015-10-07 22:05 ` Rafael J. Wysocki
2015-10-07 22:26 ` Doug Smythies
2015-10-07 22:26 ` Doug Smythies
2015-10-07 23:17 ` Prarit Bhargava
2015-10-08 0:13 ` Prarit Bhargava
2015-10-07 23:08 ` Prarit Bhargava
2015-10-07 14:34 ` Prarit Bhargava
2015-10-07 11:38 ` Prarit Bhargava
2015-10-07 12:18 ` Prarit Bhargava
2015-10-07 14:50 ` Prarit Bhargava
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