linux-kernel - Re: [patch] Re: scheduler oddity [bug?]

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Message-Id: <1236655004.5672.3.camel@marge.simson.net>
Date:	Tue, 10 Mar 2009 04:16:44 +0100
From:	Mike Galbraith <efault@....de>
To:	Balazs Scheidler <bazsi@...abit.hu>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Willy Tarreau <w@....eu>
Subject: Re: [patch] Re: scheduler oddity [bug?]

On Mon, 2009-03-09 at 16:57 +0100, Balazs Scheidler wrote:
> Hi,
> 
> Just an interesting sidenote:
> 
> I've ported the quoted patch and
> 38736f475071b80b66be28af7b44c854073699cc  (the one I've found via
> bisect) to 2.6.27 but these didn't resolve my scheduling problem, both
> my test program and my application still uses only one CPU. So probably
> the rest of the scheduling patches between 2.6.27..2.6.28 have some
> effect too.

It's probably the changes to wake_affine().  27 doesn't have the disable
sync if avg_overlap is too large tests.

	-Mike

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