linux-kernel - Re: Sched_autogroup and niced processes

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Message-ID: <20110513082250.GB13647@elte.hu>
Date:	Fri, 13 May 2011 10:22:50 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Galbraith <efault@....de>
Cc:	Yong Zhang <yong.zhang0@...il.com>,
	Carl-Johan Kjellander <carl-johan@...rna.com>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: Sched_autogroup and niced processes


* Mike Galbraith <efault@....de> wrote:

> > > time make -j12 # with seti@...e running
> > > real    4m16.753s
> > > user    10m33.770s
> > > sys     1m39.710s
> > >
> > > time make -j12 # without seti@...e running
> > > real    2m12.480s
> > > user    10m11.580s
> > > sys     1m39.980s

I think the practical question here is to make seti@...e run more idle.

Are there some magic cgroup commands you could recommend for that?

Thanks,

	Ingo
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