linux-kernel - Re: [patch] CFS scheduler, -v19

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Message-ID: <20070716215541.GA27171@elte.hu>
Date:	Mon, 16 Jul 2007 23:55:41 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Bill Davidsen <davidsen@....com>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ian Kent <raven@...maw.net>
Subject: Re: [patch] CFS scheduler, -v19


* Chuck Ebbert <cebbert@...hat.com> wrote:

> On 07/13/2007 05:19 PM, Bill Davidsen wrote:
> > 
> > I should really go back to 2.6.21.6, 2.6.22 has many bizarre behaviors
> > with FC6. Automount starts taking 30% of CPU (unused at the moment)
> 
> Can you confirm whether CFS is involved, i.e. does it spin like that 
> even without the CFS patch applied?

hmmm .... could you take out the kernel/time.c (sys_time()) changes from 
the CFS patch, does that solve the automount issue? If yes, could 
someone take a look at automount and check whether it makes use of 
time(2) and whether it combines it with finer grained time sources?

	Ingo
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