linux-kernel - Re: Regression in 4.8 - CPU speed set very low

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Message-ID: <CAJZ5v0gE1TDpjk6xTTC=MUyXo8VXeHBnK-BtihH1dcP-jsgpfw@mail.gmail.com>
Date:   Mon, 26 Sep 2016 23:30:22 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Larry Finger <Larry.Finger@...inger.net>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: Regression in 4.8 - CPU speed set very low

On Mon, Sep 26, 2016 at 11:26 PM, Srinivas Pandruvada
<srinivas.pandruvada@...ux.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.

Thanks,
Rafael