linux-kernel - Re: Network slowdown due to CFS

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Message-ID: <20070926104814.GM3337@deprecation.cyrius.com>
Date:	Wed, 26 Sep 2007 12:48:14 +0200
From:	Martin Michlmayr <tbm@...ius.com>
To:	Mike Galbraith <efault@....de>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Network slowdown due to CFS

* Mike Galbraith <efault@....de> [2007-09-26 12:23]:
> I noticed on the iperf website a patch which contains sched_yield().
> http://dast.nlanr.net/Projects/Iperf2.0/patch-iperf-linux-2.6.21.txt
> 
> Do you have that patch applied by any chance?  If so, it might be a
> worth while to try it without it.

Yes, this patch was applied.  When I revert it, I get the same (high)
performance with both kernels.
-- 
Martin Michlmayr
http://www.cyrius.com/
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