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Subject: Re: [PATCH] sched: high-res preemption tick
From: Mike Galbraith <efault@gmx.de>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
       Thomas Gleixner <tglx@linutronix.de>
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Date: Sat, 13 Oct 2007 12:11:09 +0200
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On Sat, 2007-10-13 at 11:17 +0200, Peter Zijlstra wrote:

> Also, this seems to suggest iperf would like SCHED_BATCH.

Yes.  Throughput falls as preemption climbs.

	-Mike