linux-kernel - Re: sysbench+mysql(oltp, readonly) 30% regression with 2.6.26-rc1

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Date:	Wed, 07 May 2008 17:33:12 +0800
From:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: sysbench+mysql(oltp, readonly) 30% regression with 2.6.26-rc1


On Wed, 2008-05-07 at 11:16 +0200, Ingo Molnar wrote:
> * Zhang, Yanmin <yanmin_zhang@...ux.intel.com> wrote:
> 
> > ???Comparing with kernel 2.6.25, sysbench+mysql(oltp, readonly) has many
> > regression with 2.6.26-rc1.
> > 
> > 1) 8-core stoakley: 28%;
> > 2) 16-core tigerton: 20%;
> > 3) Itanium Montvale: 50%.
> > 
> > Bisect located below patch.
> 
> thanks Yanmin, i've queued up your reverter patch.
Sorry. The reverting patch has a comment-out block. I need delete it if you queue the
patch officially.

View attachment "revert_fair_weight_calculation.patch" of type "text/x-patch" (5217 bytes)