From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Stratos Karafotis <stratosk@semaphore.gr>,
dirk.brandewie@gmail.com,
Dirk Brandewie <dirk.j.brandewie@intel.com>
Cc: 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 14:16:41 +0200 [thread overview]
Message-ID: <5349714.j69a5Fx52S@vostro.rjw.lan> (raw)
In-Reply-To: <5370318D.2010309@semaphore.gr>
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.
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?
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
next prev parent reply other threads:[~2014-05-12 11:59 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 [this message]
2014-05-12 14:39 ` Dirk Brandewie
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=5349714.j69a5Fx52S@vostro.rjw.lan \
--to=rjw@rjwysocki.net \
--cc=dirk.brandewie@gmail.com \
--cc=dirk.j.brandewie@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®