From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Michael Wang <wangyun@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Mike Galbraith <efault@gmx.de>, Alex Shi <alex.shi@intel.com>,
Namhyung Kim <namhyung@kernel.org>, Paul Turner <pjt@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Nikunj A. Dadhania" <nikunj@linux.vnet.ibm.com>,
Ram Pai <linuxram@us.ibm.com>
Subject: Re: [PATCH] sched: wake-affine throttle
Date: Mon, 22 Apr 2013 12:35:21 +0200 [thread overview]
Message-ID: <20130422103521.GA14103@gmail.com> (raw)
In-Reply-To: <1366626208.2721.12.camel@laptop>
* Peter Zijlstra <peterz@infradead.org> wrote:
> OK,.. Ingo said that pipe-test was the original motivation for
> wake_affine() and since that's currently broken to pieces due to
> select_idle_sibling() is there still a benefit to having it at all?
>
> Can anybody find any significant regression when simply killing
> wake_affine()?
I'd suggest doing a patch that does:
s/SD_WAKE_AFFINE/0*SD_WAKE_AFFINE
in all the relevant toplogy.h files, but otherwise keep the logic in
place. That way it's easy to revert.
Thanks,
Ingo
next prev parent reply other threads:[~2013-04-22 10:35 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-10 3:30 [PATCH] sched: wake-affine throttle Michael Wang
2013-04-10 4:16 ` Alex Shi
2013-04-10 5:11 ` Michael Wang
2013-04-10 5:27 ` Alex Shi
2013-04-10 8:51 ` Peter Zijlstra
2013-04-10 9:22 ` Michael Wang
2013-04-11 6:01 ` Michael Wang
2013-04-11 7:30 ` Mike Galbraith
2013-04-11 8:26 ` Michael Wang
2013-04-11 8:44 ` Mike Galbraith
2013-04-11 9:00 ` Mike Galbraith
2013-04-11 9:02 ` Michael Wang
2013-04-12 3:17 ` Michael Wang
2013-04-22 4:21 ` Michael Wang
2013-04-22 5:27 ` Mike Galbraith
2013-04-22 6:19 ` Michael Wang
2013-04-22 10:23 ` Peter Zijlstra
2013-04-22 10:35 ` Ingo Molnar [this message]
2013-04-23 4:05 ` Michael Wang
2013-04-22 17:49 ` Paul Turner
2013-04-23 4:01 ` Michael Wang
2013-04-27 2:46 ` Michael Wang
2013-05-02 5:48 ` Michael Wang
2013-05-02 7:10 ` Mike Galbraith
2013-05-02 7:36 ` Michael Wang
2013-05-03 3:46 ` Michael Wang
2013-05-03 5:01 ` Mike Galbraith
2013-05-03 5:57 ` Michael Wang
2013-05-03 6:14 ` Mike Galbraith
2013-05-04 2:20 ` Michael Wang
2013-05-07 2:46 ` Michael Wang
2013-05-13 2:27 ` Michael Wang
2013-05-16 7:40 ` Michael Wang
2013-05-16 7:45 ` Michael Wang
2013-05-21 3:20 ` [PATCH v2] " Michael Wang
2013-05-21 6:47 ` Alex Shi
2013-05-21 6:52 ` Michael Wang
2013-05-22 8:49 ` Peter Zijlstra
2013-05-22 9:25 ` Michael Wang
2013-05-22 14:55 ` Mike Galbraith
2013-05-23 2:12 ` Michael Wang
2013-05-28 5:02 ` Michael Wang
2013-05-28 6:29 ` Mike Galbraith
2013-05-28 7:22 ` Michael Wang
2013-05-28 8:49 ` Mike Galbraith
2013-05-28 8:56 ` Michael Wang
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