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From: Willy Tarreau <w@1wt.eu>
To: Mike Galbraith <efault@gmx.de>
Cc: Olof Johansson <olof@lixom.net>,
	linux-kernel@vger.kernel.org,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Ingo Molnar <mingo@elte.hu>
Subject: Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for short-lived threads
Date: Sat, 9 Feb 2008 12:40:10 +0100	[thread overview]
Message-ID: <20080209114009.GP8953@1wt.eu> (raw)
In-Reply-To: <1202554705.10287.12.camel@homer.simson.net>

On Sat, Feb 09, 2008 at 11:58:25AM +0100, Mike Galbraith wrote:
> 
> On Sat, 2008-02-09 at 09:03 +0100, Willy Tarreau wrote:
> 
> > How many CPUs do you have ?
> 
> It's a P4/HT, so 1 plus $CHUMP_CHANGE_MAYBE
> 
> > > 2.6.25-smp (git today)
> > > time 29 ms
> > > time 61 ms
> > > time 72 ms
> > 
> > These ones look rather strange. What type of workload is it ? Can you
> > publish the program for others to test it ?
> 
> It's the proglet posted in this thread.

OK sorry, I did not notice it when I first read the report.

Regards,
Willy


  reply	other threads:[~2008-02-09 12:31 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-09  0:04 Scheduler(?) regression from 2.6.22 to 2.6.24 for short-lived threads Olof Johansson
2008-02-09  0:08 ` Ingo Molnar
2008-02-09  0:32   ` Olof Johansson
2008-02-09  7:58 ` Mike Galbraith
2008-02-09  8:03   ` Willy Tarreau
2008-02-09 10:58     ` Mike Galbraith
2008-02-09 11:40       ` Willy Tarreau [this message]
2008-02-09 13:37         ` Mike Galbraith
2008-02-09 16:19           ` Willy Tarreau
2008-02-09 17:33             ` Mike Galbraith
2008-02-10  5:29             ` Olof Johansson
2008-02-10  6:15               ` Willy Tarreau
2008-02-10  7:00                 ` Olof Johansson
2008-02-10  7:58                   ` Willy Tarreau
2008-02-11  8:15                   ` Mike Galbraith
2008-02-11 17:26                     ` Olof Johansson
2008-02-11 19:58                       ` Mike Galbraith
2008-02-11 20:31                         ` Olof Johansson
2008-02-12  9:23                           ` Mike Galbraith
2008-02-13  5:49                             ` Mike Galbraith
2008-02-11 21:45               ` Bill Davidsen
2008-02-12  4:30                 ` Mike Galbraith
     [not found] <fa.6N2dhyJ1cmBqiuFKgCaYfwduM+0@ifi.uio.no>
2008-02-09  1:49 ` Robert Hancock

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