From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Riepe <michael.riepe@googlemail.com>
Subject: Re: ptrace performance
Date: Sat, 21 Mar 2009 18:02:54 +0100
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To: Ingo Molnar <mingo@elte.hu>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Kernel Testers List <kernel-testers@vger.kernel.org>, Miklos Szeredi <miklos@szeredi.hu>



Ingo Molnar wrote:

> that's almost certainly due to the wait_task_inactive() change. Does 
> the patch below improve things?

That makes it *much* better - dd reports more than 3 GB/s on the Core
Duo. I'll have to check the other systems later; they're busy at the moment.

-- 
Michael "Tired" Riepe <michael.riepe@googlemail.com>
X-Tired: Each morning I get up I die a little