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

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Message-ID: <20070421190026.GA25720@elte.hu>
Date:	Sat, 21 Apr 2007 21:00:26 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Con Kolivas <kernel@...ivas.org>, Willy Tarreau <w@....eu>,
	William Lee Irwin III <wli@...omorphy.com>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Williams <pwil3058@...pond.net.au>,
	Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr,
	Gene Heskett <gene.heskett@...il.com>
Subject: Re: [REPORT] cfs-v4 vs sd-0.44


* Jan Engelhardt <jengelh@...ux01.gwdg.de> wrote:

> > i've attached it below in a standalone form, feel free to put it 
> > into SD! :)
> 
> Assume X went crazy (lacking any statistics, I make the unproven 
> statement that this happens more often than kthreads going berserk), 
> then having it niced with minus something is not too nice.

i've not experienced a 'runaway X' personally, at most it would crash or 
lock up ;) The value is boot-time and sysctl configurable as well back 
to 0.

	Ingo
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