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From: Mike Galbraith <efault@gmx.de>
To: Balazs Scheidler <bazsi@balabit.hu>
Cc: Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org,
	Peter Zijlstra <a.p.zijlstra@chello.nl>, Willy Tarreau <w@1wt.eu>
Subject: Re: [patch] Re: scheduler oddity [bug?]
Date: Tue, 10 Mar 2009 04:16:44 +0100	[thread overview]
Message-ID: <1236655004.5672.3.camel@marge.simson.net> (raw)
In-Reply-To: <1236614243.8114.8.camel@bzorp.balabit>

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


      reply	other threads:[~2009-03-10  3:17 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-07 17:47 scheduler oddity [bug?] Balazs Scheidler
2009-03-07 18:47 ` Balazs Scheidler
2009-03-08 19:45   ` Balazs Scheidler
2009-03-08 22:03     ` Willy Tarreau
2009-03-09  3:35       ` Mike Galbraith
2009-03-09 11:19     ` David Newall
2009-03-08  9:42 ` Mike Galbraith
2009-03-08  9:58   ` Mike Galbraith
2009-03-08 10:02     ` Mike Galbraith
2009-03-08 10:19     ` Peter Zijlstra
2009-03-08 13:35       ` Mike Galbraith
2009-03-08 15:39     ` Ingo Molnar
2009-03-08 16:20       ` Mike Galbraith
2009-03-08 17:52         ` Ingo Molnar
2009-03-08 18:39           ` Mike Galbraith
2009-03-08 18:55             ` Ingo Molnar
2009-03-09  4:10               ` Mike Galbraith
2009-03-09  6:52                 ` Ingo Molnar
2009-03-09  8:02           ` [patch] " Mike Galbraith
2009-03-09  8:07             ` Ingo Molnar
2009-03-09 10:16               ` David Newall
2009-03-09 11:04               ` Peter Zijlstra
2009-03-09 13:16                 ` Mike Galbraith
2009-03-09 13:27                   ` Peter Zijlstra
2009-03-09 13:51                     ` Mike Galbraith
2009-03-09 14:00                     ` David Newall
2009-03-09 14:19                       ` Peter Zijlstra
2009-03-10  0:20                         ` David Newall
2009-03-09 13:37                   ` Mike Galbraith
2009-03-09 13:46                     ` Peter Zijlstra
2009-03-09 13:58                       ` Mike Galbraith
2009-03-09 14:11                         ` Mike Galbraith
2009-03-09 14:41                           ` Peter Zijlstra
2009-03-09 15:30                             ` Mike Galbraith
2009-03-09 16:12                               ` Peter Zijlstra
2009-03-09 17:28                                 ` Mike Galbraith
2009-03-15 13:53                                   ` Balazs Scheidler
2009-03-15 17:16                                     ` Mike Galbraith
2009-03-15 18:57                                       ` Ingo Molnar
2009-03-16 11:55                                         ` Balazs Scheidler
2009-03-09 15:57             ` Balazs Scheidler
2009-03-10  3:16               ` Mike Galbraith [this message]

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