From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Mon, 23 Jul 2012 10:48:17 +0200
From: Richard Cochran <richardcochran@gmail.com>
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	<5009A292.4060508@grandegger.com>
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Subject: Re: [Xenomai] Xenomai installation on P1020RDB
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To: Wolfgang Grandegger <wg@grandegger.com>
Cc: "Xenomai@xenomai.org" <Xenomai@xenomai.org>

On Fri, Jul 20, 2012 at 08:25:22PM +0200, Wolfgang Grandegger wrote:
> 
> I tested Xenomai recently on a P2020 with mainline Linux 3.2.x with the
> new iPipe-Patch and got very good latency results, especially with CPU
> isolation: 65 us without and *8* us with CPU isolation. [I'm still puzzled
> about the good results with CPU isolation. Maybe that's due to the new
> iPipe-Patch. Need to re-test when time permits). I have listed the results
> below.

Almost a year ago, around Linux 2.6.38 or so, I measured 13 us maximum
latency on the P2020 RBD when using CPU isolation.

Thanks,
Richard