linux-kernel - Re: aim7 -30% regression in 2.6.24-rc1

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Message-ID: <20071101153607.GA9988@elte.hu>
Date:	Thu, 1 Nov 2007 16:36:07 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
Subject: Re: aim7 -30% regression in 2.6.24-rc1


* Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> > > We don't have min_granularity anymore.
> > 
> > i think we should reintroduce it in the SCHED_DEBUG case and make it 
> > the main tunable item - sched_nr is a nice performance optimization 
> > but quite unintuitive as a tuning knob.
> 
> ok, I don't particularly care either way, could be because I wrote the 
> stuff :-)

heh :-) I've applied your patch, it looks good to me.

	Ingo
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