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

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Message-ID: <517B3C07.1020004@linux.vnet.ibm.com>
Date:	Sat, 27 Apr 2013 10:46:31 +0800
From:	Michael Wang <wangyun@...ux.vnet.ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
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

On 04/22/2013 06:23 PM, Peter Zijlstra 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()?

Is it time for us to make the decision now?

Forgive me for urge the progress, but I really confused what is stopping
us from adopt the throttle approach...

Is there any other option more simple, safe and faster?

Regards,
Michael Wang

> 
> 
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