linux-kernel - Re: Kaffeine problem with CFS

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Message-ID: <20070421083608.GC29800@elte.hu>
Date:	Sat, 21 Apr 2007 10:36:08 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Bill Davidsen <davidsen@....com>
Cc:	caglar@...dus.org.tr,
	Christoph Pfister <christophpfister@...il.com>,
	linux-kernel@...r.kernel.org,
	Michael Lothian <mike@...eburn.co.uk>,
	Christophe Thommeret <hftom@...e.fr>,
	Jurgen Kofler <kaffeine@....net>,
	Ulrich Drepper <drepper@...hat.com>
Subject: Re: Kaffeine problem with CFS


* Bill Davidsen <davidsen@....com> wrote:

> > Instead of that one, i tried CFSv3 and i cannot reproduce the hang 
> > anymore, Thanks!...
>
> And that explains why CFS-v3 on 21-rc7-git3 wouldn't show me the hang. 
> As a matter of fact, nothing I did showed any bad behavior! Note that 
> I was doing actual badly behaved things which do sometimes glitch the 
> standard scheduler, not running benchmarks.
> 
> This scheduler is boring, everything works. [...]

hehe :) Having a 'boring' scheduler in the end is the main goal :)

> [...] I am going to try some tests on a uniprocessor, though, I have 
> been running everything on either SMP or HT CPUs. But so far it looks 
> fine.

yeah, please do - while i do test UP frequently, most of my CFS testing 
was on SMP.

	Ingo
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