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
next prev parent reply other threads:[~2016-09-26 21:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <f89dffb9-cc78-9849-9539-74ce89e773cd@lwfinger.net>
[not found] ` <28fa8706-4251-4d07-6a6a-4ee8d9d1267b@lwfinger.net>
[not found] ` <2be25c2e-8c10-e62a-3a66-19da8143f2b0@lwfinger.net>
2016-09-26 11:37 ` Regression in 4.8 - CPU speed set very low 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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