linux-kernel - Re: Serious performance regression in Wine applications and Linux 2.6.24.*

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Message-ID: <20080421155339.GC31716@elte.hu>
Date:	Mon, 21 Apr 2008 17:53:42 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Kai <epimetreus@...tmail.fm>
Cc:	Ray Lee <ray-lk@...rabbit.org>, linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Mike Galbraith <efault@....de>
Subject: Re: Serious performance regression in Wine applications and Linux
	2.6.24.*


* Kai <epimetreus@...tmail.fm> wrote:

> I did, however, test it on 2.6.25-rc8, and attached is the output of 
> cfs-debug-info.sh

your vmstat:

-- vmstat: 
--procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 3  0      0 870540    340 746184    0    0   952   137  198 4752 21 12 60  7
 1  0      0 870952    340 746320    0    0   128     0  356 17723 28 23 50  0
 1  0      0 872224    340 746320    0    0     0    21  394 18066 30 20 50  0
 1  0      0 872244    340 746320    0    0     0     0  353 17987 29 22 50  0
 1  0      0 871416    340 746320    0    0     0     0  392 17971 28 22 50  0

suggests that there's a constant 50% idle time. Probably one core 
running X and the client, the other core staying idle?

	Ingo
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