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From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Larry Finger <Larry.Finger@lwfinger.net>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux PM list <linux-pm@vger.kernel.org>
Subject: Re: Regression in 4.8 - CPU speed set very low
Date: Mon, 26 Sep 2016 14:41:49 -0700	[thread overview]
Message-ID: <1474926109.35049.125.camel@linux.intel.com> (raw)
In-Reply-To: <CAJZ5v0gE1TDpjk6xTTC=MUyXo8VXeHBnK-BtihH1dcP-jsgpfw@mail.gmail.com>

On Mon, 2016-09-26 at 23:30 +0200, Rafael J. Wysocki wrote:
> On Mon, Sep 26, 2016 at 11:26 PM, Srinivas Pandruvada
> <srinivas.pandruvada@linux.intel.com> wrote:
> > 
> > On Mon, 2016-09-26 at 23:06 +0200, Rafael J. Wysocki wrote:
> > > 
> > > On Monday, September 26, 2016 11:15:45 AM Larry Finger wrote:
> > 
> > [...]
> > 
> > > 
> > > > 
> > > > I have been reluctant to post my entire .config on the list. It
> > > > is
> > > > available at
> > > > http://pastebin.com/aMZaAKwL.
> > > 
> > > If the governor is ondemand, the driver is acpi-cpufreq, most
> > > likely.
> > > 
> > > How do you measure the frequency?
> > > 
> > Also
> > When you get into this situation, please dump:
> > # cat /sys/devices/system/cpu/cpufreq/policy?/scaling_max_freq
> > # cat /sys/devices/system/cpu/intel_pstate/*
> 
> The driver is not intel_pstate.
I guessed from
CONFIG_X86_INTEL_PSTATE=y
and
Frequency is not 400 but something like 396.130


Thanks,
Srinivas

  reply	other threads:[~2016-09-26 21:41 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-09 17:39 Regression in 4.8 - CPU speed set very low Larry Finger
2016-09-14 16:00 ` Larry Finger
2016-09-19  2:54   ` Larry Finger
2016-09-24  2:45     ` Larry Finger
2016-09-26 11:37       ` Rafael J. Wysocki
2016-09-26 16:15         ` Larry Finger
2016-09-26 21:06           ` Rafael J. Wysocki
2016-09-26 21:26             ` Srinivas Pandruvada
2016-09-26 21:30               ` Rafael J. Wysocki
2016-09-26 21:41                 ` Srinivas Pandruvada [this message]
2016-09-26 21:46                   ` Rafael J. Wysocki
2016-09-26 21:28             ` Larry Finger
2016-09-26 21:37               ` Rafael J. Wysocki
2016-09-26 21:46                 ` Srinivas Pandruvada
2016-09-26 22:15                   ` Larry Finger
2016-09-26 22:09                 ` Larry Finger
2016-09-26 22:16                   ` Rafael J. Wysocki
2016-09-26 23:53                     ` Larry Finger
2016-09-27  0:21                       ` Rafael J. Wysocki
2016-09-27  0:48                         ` Larry Finger
2016-09-27  1:30                           ` Srinivas Pandruvada
2016-09-27  2:53                             ` Larry Finger
2016-09-27  3:12                           ` Doug Smythies
2016-09-27  8:48                             ` Larry Finger
2016-09-27 11:46                               ` Rafael J. Wysocki
2016-09-29  2:22                                 ` Larry Finger
2016-09-29 12:19                                   ` Rafael J. Wysocki
2016-09-29 15:09                                     ` Larry Finger
2016-09-29 15:56                                     ` Srinivas Pandruvada
2016-09-29 16:24                                       ` Larry Finger
2016-09-29 20:52                                       ` Rafael J. Wysocki
2016-09-30 21:52                                       ` Larry Finger
2016-09-27 14:51               ` Lennart Sorensen
2016-09-29  2:26                 ` Larry Finger
2016-09-29 14:17                   ` Lennart Sorensen

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