linux-kernel - Re: BFS vs. mainline scheduler benchmarks and measurements

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Date:	Thu, 10 Sep 2009 08:40:59 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Nikos Chantziaras <realnc@...or.de>
Cc:	Jens Axboe <jens.axboe@...cle.com>, Mike Galbraith <efault@....de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Con Kolivas <kernel@...ivas.org>, linux-kernel@...r.kernel.org
Subject: Re: BFS vs. mainline scheduler benchmarks and measurements


* Ingo Molnar <mingo@...e.hu> wrote:

> > However, the interactivity problems still remain.  Does that 
> > mean it's not a latency issue?
> 
> It means that Jens's test-app, which demonstrated and helped us 
> fix the issue for him does not help us fix it for you just yet.

Lemme qualify that by saying that Jens's issues are improved not 
fixed [he has not re-run with latest latt.c yet] but not all things 
are fully fixed yet. For example the xmodmap thing sounds 
interesting - could that be a child-runs-first effect?

	Ingo
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