linux-kernel - Re: [PATCH] sched: wake-affine throttle

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Message-ID: <1366626208.2721.12.camel@laptop>
Date:	Mon, 22 Apr 2013 12:23:28 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Michael Wang <wangyun@...ux.vnet.ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>, Mike Galbraith <efault@....de>,
	Alex Shi <alex.shi@...el.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Turner <pjt@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Nikunj A. Dadhania" <nikunj@...ux.vnet.ibm.com>,
	Ram Pai <linuxram@...ibm.com>
Subject: Re: [PATCH] sched: wake-affine throttle


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()?


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