linux-kernel - Re: [patch] CFS scheduler, -v14

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Message-ID: <20070528110748.GG25331@elte.hu>
Date:	Mon, 28 May 2007 13:07:48 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Balbir Singh <balbir@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	pranith-kumar_d@...torg.com, Andi Kleen <andi@...stfloor.org>
Subject: Re: [patch] CFS scheduler, -v14


* Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:

> Ingo Molnar wrote:
> > i found an accounting bug in this: it didnt sum up threads correctly. 
> > The patch below fixes this. The stime == 0 problem is still there 
> > though.
> > 
> > 	Ingo
> > 
> 
> Thanks! I'll test the code on Monday. I do not understand the 
> sysctl_sched_smoothing functionality, so I do not understand its 
> impact on accounting. I'll take a look more closely

basically sysctl_sched_smoothing is more of a 'experimental features 
flag' kind of thing. I'll remove it soon, you should only need to 
concentrate on the functionality that it enables by default.

	Ingo
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