linux-kernel - Re: VolanoMark regression with 2.6.27-rc1

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Date:	Thu, 21 Aug 2008 10:25:02 +0800
From:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Aneesh Kumar KV <aneesh.kumar@...ux.vnet.ibm.com>,
	Balbir Singh <balbir@...ibm.com>,
	Chris Friesen <cfriesen@...tel.com>
Subject: Re: VolanoMark regression with 2.6.27-rc1


On Wed, 2008-08-20 at 15:47 +0200, Ingo Molnar wrote:
> * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> 
> > Just realized my brainfart..
> > 
> > ---
> > Subject: sched: load-balance bias fixes
> > From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> > Date: Wed Aug 20 15:28:51 CEST 2008
> > 
> > Yanmin spotted a regression with my patch that introduces LB_BIAS:
> 
> ok, i've applied this one to tip/sched/urgent instead of the 
> feature-disabling patchlet. Yanmin, could you please check whether this 
> one does the trick?
This new patch almost doesn't help volanoMark. Pls. use the patch
which sets LB_BIAS=1 by default.

-yanmin


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