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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.

  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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