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Message-ID: <Pine.LNX.4.64.0707161331570.1817@scrub.home>
Date: Mon, 16 Jul 2007 13:58:36 +0200 (CEST)
From: Roman Zippel <zippel@...ux-m68k.org>
To: Ingo Molnar <mingo@...e.hu>
cc: James Bruce <bruce@...rew.cmu.edu>,
Thomas Gleixner <tglx@...utronix.de>,
Mike Galbraith <efault@....de>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrea Arcangeli <andrea@...e.de>,
Andi Kleen <andi@...stfloor.org>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org,
Arjan van de Ven <arjan@...radead.org>,
Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH] CFS: Fix missing digit off in wmult table
Hi,
On Mon, 16 Jul 2007, Ingo Molnar wrote:
> > As soon as you add another loop the difference changes again, while
> > it's always correct to say it gets 25% more cpu time [...]
>
> yep, and i'll add the relative effect to the comment too.
Why did you cut off the rest of the sentence?
To illustrate the problem a little different: a task with a nice level -20
got around 700% more cpu time (or 8 times more), now it gets 8500% more
cpu time (or 86.7 times more).
You don't think that change to the nice levels is a little drastic?
bye, Roman
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