linux-kernel - Re: [patch] CFS scheduler, -v12

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Message-ID: <46535747.4000203@nortel.com>
Date:	Tue, 22 May 2007 14:49:11 -0600
From:	"Chris Friesen" <cfriesen@...tel.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	William Lee Irwin III <wli@...omorphy.com>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	Peter Williams <pwil3058@...pond.net.au>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch] CFS scheduler, -v12

Ingo Molnar wrote:
> * Chris Friesen <cfriesen@...tel.com> wrote:

>>Is there a way in CFS to tune the amount of time over which the load 
>>balancer is fair?  (Of course there would be some overhead involved.)

> it should be fair pretty fast (see the 10 seconds run of massive_intr) - 
> so it's not 1 minute (if you were worried about that).

Good to know..that's exactly what I was worried about.  I work with guys 
that really want predictability above all else, then fairness, and only 
then performance--if we can't guarantee a given level of performance for 
5-9s then its useless to us.

Chris
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