From: Dirk Brandewie <dirk.brandewie@gmail.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Stratos Karafotis <stratosk@semaphore.gr>,
dirk.brandewie@gmail.com
Cc: dirk.j.brandewie@intel.com, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org
Subject: Re: [PATCH 4/5] intel_pstate: Remove C0 tracking
Date: Mon, 12 May 2014 07:39:35 -0700 [thread overview]
Message-ID: <5370DD27.5030701@intel.com> (raw)
In-Reply-To: <5349714.j69a5Fx52S@vostro.rjw.lan>
On 05/12/2014 05:16 AM, Rafael J. Wysocki wrote:
> On Monday, May 12, 2014 05:27:25 AM Stratos Karafotis wrote:
>> Hi,
>>
>
> [cut]
>
>>
>> With this patch, my CPU (Core i7-3770 @ 3.90GHz) seems to never use lowest
>> frequencies. Even on an idle system I get always ~2GHz. Normally,
>> on an idle system it used to be 1.6GHz.
>> On very small loads (mp3 decoding) the CPU goes up to 2.7G GHz (it used to
>> be 1.6GHz)
>>
>> Reverting, this patch on my local build, the problem is resolved.
>
> Dirk, seriously, I can't regard this as a fix that can go into -rc6.
>
Ok I will resubmit after more testing
> Which of the other patch in the series are must-go for 3.15? [1-2/5] I guess?
> And do we need [2/5] it in -stable too?
1/5 is for stable it fixes a random MCE on baytrail.
2/5 is for stable it should have went with the stop_cpu patch
5/5 can go too since it is just adding CPU IDs
>
>
next prev parent reply other threads:[~2014-05-12 14:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-08 19:57 [PATCH 0/5] updates for intel_pstate dirk.brandewie
2014-05-08 19:57 ` [PATCH 2/5] intel_pstate: remove setting P state to MAX on init dirk.brandewie
2014-05-08 19:57 ` [PATCH 3/5] intel_pstate: Fix fixed point rounding macro dirk.brandewie
2014-05-12 12:17 ` Rafael J. Wysocki
2014-05-08 19:57 ` [PATCH 4/5] intel_pstate: Remove C0 tracking dirk.brandewie
2014-05-09 1:44 ` Yuyang Du
2014-05-12 0:26 ` Rafael J. Wysocki
[not found] ` <CADmjqpOnzRrB8gJsmHWG=4bvhERLovnKyP0Pcki_uVJ3qpfD0g@mail.gmail.com>
2014-05-12 2:27 ` Stratos Karafotis
2014-05-12 12:16 ` Rafael J. Wysocki
2014-05-12 14:39 ` Dirk Brandewie [this message]
2014-05-12 23:45 ` Rafael J. Wysocki
2014-05-08 19:57 ` [PATCH 5/5] intel_pstate: Add CPU IDs for Broadwell processors dirk.brandewie
2014-05-08 20:30 ` [PATCH 0/5] updates for intel_pstate Rafael J. Wysocki
2014-05-08 21:08 ` Dirk Brandewie
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5370DD27.5030701@intel.com \
--to=dirk.brandewie@gmail.com \
--cc=dirk.j.brandewie@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=rjw@rjwysocki.net \
--cc=stratosk@semaphore.gr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.