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Date: Wed, 04 Jul 2012 14:04:52 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] Xenomai and normal linux application - Wait time with
 select() not reliable
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To: =?UTF-8?B?SmVucyBLw7ZobGVy?= <jenskxxx@googlemail.com>
Cc: xenomai@xenomai.org

On 07/04/2012 01:45 PM, Jens Köhler wrote:
> The Xenomai application runs every 2ms for about 150 us and sends/
> receives an udp packet.Rtnet socket is used for udp communication.
> 
> /proc/xenomai/stat:
> 
> CPU	PID	MSW	CSW	PF	STAT		%CPU  NAME
>   0	0	0	272362	0	00500080	93.8  ROOT
>   0	0	0	13475	0	00000082	0.0  rtnet-stack
>   0	0	0	1	0	00000082	0.0  rtnet-rtpc
>   0	1843	1	11677	0	00300182	0.1  SgbmReceive
>   0	1844	1	67501	0	00300184	4.7  SgbmSend
>   0	1845	63111	63304	0	00300380	0.3  SgbmUserSpaceComm
>   0	1846	1	134963	0	00300184	0.5  SgbmTimer
>   0	0	0	67500	0	00000000	0.3  IRQ19: rteth0
>   0	0	0	298425	0	00000000	0.3  IRQ233: [timer]
> 
> Application was ported from RTAI to Xenomai. With Rtai was never a
> problem with select.

What version of linux, the I-pipe patch, and xenomai are you using ?

-- 
					    Gilles.