linux-kernel - Re: apache threads not balanced over all CPU cores, schedular problem or apache?

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Date:	Thu, 13 Nov 2008 19:37:36 +0000
From:	Rahul Pydimukkala <prahul@....iitk.ac.in>
To:	kyle <kylewong@...tha.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: apache threads not balanced over all CPU cores, schedular problem or apache?

On 21:12 Thu 13 Nov     , kyle wrote:
> From: "Rahul Pydimukkala" <prahul@....iitk.ac.in>
> To: "kyle" <kylewong@...tha.com>
> Cc: <linux-kernel@...r.kernel.org>
> Sent: Friday, November 14, 2008 3:12 AM
> Subject: Re: apache threads not balanced over all CPU cores, schedular 
> problem or apache?
> 
> 
> >Few of the cores are always left idle by default for power saving reasons.
> >There has been a discussion over it sometime back. 
> >http://lkml.org/lkml/2008/6/25/326
> >
> >That helps you play around with the load-balancer.
> >
> 
> Oh I never note this.
> 
> However, my current setting is "0".

http://lkml.org/lkml/2008/9/8/90  makes it more complete. It's probabaly time you upgrade to 2.6.27. 
Seems like the bug exists in 2.6.26 and was fixed only for 2.6.27.

-
Rahul    

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