linux-kernel - Re: 2.6.21 -> 2.6.22 & 2.6.23-rc8 performance regression

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Message-Id: <20071001114715.M51349@nuclearcat.com>
Date:	Mon, 1 Oct 2007 14:52:03 +0300
From:	"Denys" <nuclearcat@...learcat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21 -> 2.6.22 & 2.6.23-rc8 performance regression

Hi

No major differences. 
Some procedures higher a bit, some lower a bit, but everything looks fine on
both kernels.

Thats what i tried first - oprofile, and only one keypoint i was able to catch
- in top softirqd/0 or /1 shows usage 100% cpu, and in mpstat - soft% also
reaching 100%. 



On Mon, 1 Oct 2007 13:14:41 +0200, Andi Kleen wrote
> On Mon, Oct 01, 2007 at 01:30:52PM +0300, Denys wrote:
> > 
> > Already i did, and it didn't show real failure point.
> 
> There was no difference between the profile of the working kernel
> and the high load kernel?  Perhaps you just have legitimate higher load?
> 
> -Andi


--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.

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