linux-kernel - Re: [intel-pstate driver regression] processor frequency very high even if in idle

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Message-ID: <CAJZ5v0iRkBDi2N-FSPn1WAYRzZHAtk2kqJwFKH+0cyYBfZMt+Q@mail.gmail.com>
Date:	Sun, 3 Apr 2016 00:50:41 +0200
From:	"Rafael J. Wysocki" <rafael@...nel.org>
To:	Jörg Otte <jrg.otte@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Doug Smythies <dsmythies@...us.net>
Subject: Re: [intel-pstate driver regression] processor frequency very high
 even if in idle

On Fri, Apr 1, 2016 at 10:28 PM, Rafael J. Wysocki <rafael@...nel.org> wrote:
> On Fri, Apr 1, 2016 at 4:06 PM, Jörg Otte <jrg.otte@...il.com> wrote:
>> 2016-04-01 14:40 GMT+02:00 Rafael J. Wysocki <rjw@...ysocki.net>:
>>> On Friday, April 01, 2016 11:20:42 AM Jörg Otte wrote:
>>>> 2016-03-31 17:43 GMT+02:00 Rafael J. Wysocki <rjw@...ysocki.net>:
>>>> > On Thursday, March 31, 2016 05:25:18 PM Jörg Otte wrote:
>>>> >> 2016-03-31 13:42 GMT+02:00 Rafael J. Wysocki <rjw@...ysocki.net>:
>>>> >> > On Thursday, March 31, 2016 11:05:56 AM Jörg Otte wrote:
>>>> >> >
>
> [cut]
>
>>
>> Done. Attached the tracer.
>> For me it looks like the previous one of the failing case.
>>
>
> Yes, it does, so no improvement.
>
> Well, that will require further investigation, so I have created a
> kernel Bugzilla entry for the tracking of this issue:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=115771
>
> I would like to communicate through it going forward if that's not a problem.

Please have a look at this comment:

https://bugzilla.kernel.org/show_bug.cgi?id=115771#c6

Thanks,
Rafael