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Date: Mon, 16 Jul 2007 10:47:06 -0700 (PDT)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Roman Zippel <zippel@linux-m68k.org>
cc: Ingo Molnar <mingo@elte.hu>, James Bruce <bruce@andrew.cmu.edu>,
       Thomas Gleixner <tglx@linutronix.de>, Mike Galbraith <efault@gmx.de>,
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       Arjan van de Ven <arjan@infradead.org>,
       Chris Wright <chrisw@sous-sol.org>
Subject: Re: [PATCH] CFS: Fix missing digit off in wmult table
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On Mon, 16 Jul 2007, Roman Zippel wrote:
>
> 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).

Ingo, that _does_ sound excessive. 

How about trying a much less aggressive nice-level (and preferably linear, 
not exponential)?

		Linus