linux-kernel - Re: [REPORT] cfs-v4 vs sd-0.44

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Message-Id: <200704241039.44103.gene.heskett@gmail.com>
Date:	Tue, 24 Apr 2007 10:39:43 -0400
From:	Gene Heskett <gene.heskett@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Williams <pwil3058@...pond.net.au>,
	Arjan van de Ven <arjan@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Juliusz Chroboczek <jch@....jussieu.fr>,
	Con Kolivas <kernel@...ivas.org>, ck list <ck@....kolivas.org>,
	Bill Davidsen <davidsen@....com>, Willy Tarreau <w@....eu>,
	William Lee Irwin III <wli@...omorphy.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Galbraith <efault@....de>,
	Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr
Subject: Re: [REPORT] cfs-v4 vs sd-0.44

On Tuesday 24 April 2007, Ingo Molnar wrote:
>* Ingo Molnar <mingo@...e.hu> wrote:
>> yeah, i guess this has little to do with X. I think in your scenario
>> it might have been smarter to either stop, or to renice the workloads
>> that took away CPU power from others to _positive_ nice levels.
>> Negative nice levels can indeed be dangerous.
>
>btw., was X itself at nice 0 or nice -10 when the lockup happened?
>
>	Ingo

Memory could be hazy Ingo, but I think X was at 0 when that occurred.


-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
I use technology in order to hate it more properly.
		-- Nam June Paik
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