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Date:	Tue, 29 Dec 2009 06:24:52 +0100
From:	Mike Galbraith <efault@....de>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	"peterz@...radead.org" <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
Subject: Re: tbench regression with 2.6.33-rc1

On Tue, 2009-12-29 at 10:09 +0800, Lin Ming wrote:
> And also no regression if I run tbench with RT scheduler on tulsa
> machine, as below command,
> 
> schedtool -R -p 20 -e tbench_srv &
> schedtool -R -p 20 -e tbench 32

Hm, odd.  I'd expect tbench to suffer when run SCHED_RR, and here it
does, achieving roughly 85% of lowest SCHED_OTHER throughput.

	-Mike

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