linux-kernel - Re: [patch] CFS (Completely Fair Scheduler), v2

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Date:	Tue, 17 Apr 2007 08:27:35 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Willy Tarreau <w@....eu>
Cc:	Gene Heskett <gene.heskett@...il.com>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Williams <pwil3058@...pond.net.au>,
	Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr,
	Dmitry Adamushko <dmitry.adamushko@...il.com>
Subject: Re: [patch] CFS (Completely Fair Scheduler), v2


* Willy Tarreau <w@....eu> wrote:

> Have you tried previous version with the fair-fork patch ? It might be 
> possible that your workload is sensible to the fork()'s child getting 
> much CPU upon startup.

the fair-fork patch is now included in -v2, but that was already in 
-v2-rc0 too that i sent to Gene separately. I've attached the 
-rc0->final delta.

Gene, could you please apply this patch to your -v2-rc0 tree and do a 
quick double-check that indeed these changes cause the regression?

	Ingo

View attachment "sched-cfs-v2-rc0-final-delta.patch" of type "text/plain" (22653 bytes)