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Date: Tue, 8 Sep 2009 13:49:27 +0200
From: Ingo Molnar <mingo@elte.hu>
To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org,
       a.p.zijlstra@chello.nl, efault@gmx.de, jens.axboe@oracle.com,
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Cc: linux-tip-commits@vger.kernel.org
Subject: Re: [tip:sched/core] sched: Ensure that a child can't gain time
	over it's parent after fork()
Message-ID: <20090908114927.GA1649@elte.hu>
References: <tip-b5d9d734a53e0204aab0089079cbde2a1285a38f@git.kernel.org>
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* tip-bot for Mike Galbraith <efault@gmx.de> wrote:

> Commit-ID:  b5d9d734a53e0204aab0089079cbde2a1285a38f
> Gitweb:     http://git.kernel.org/tip/b5d9d734a53e0204aab0089079cbde2a1285a38f
> Author:     Mike Galbraith <efault@gmx.de>
> AuthorDate: Tue, 8 Sep 2009 11:12:28 +0200
> Committer:  Ingo Molnar <mingo@elte.hu>
> CommitDate: Tue, 8 Sep 2009 13:15:34 +0200
> 
> sched: Ensure that a child can't gain time over it's parent after fork()

> This improves latencies of make -j<n> kernel build workloads.
> 
> Reported-by: Jens Axboe <jens.axboe@oracle.com>

Jens, mind trying this patch (or latest tip:master) with your make 
-j4 workload, does it improve in any way?

	Ingo