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Date: Wed, 04 Jul 2012 12:06:35 +0200
From: Philippe Gerum <rpm@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: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org

On 07/04/2012 10:45 AM, Gilles Chanteperdrix wrote:
> On 07/04/2012 10:36 AM, Jens Köhler wrote:
>> Thank you for your response Gilles. I set thread to SCHED_FIFO policy
>> with chrt command, Prio 99. But there is no improvement. Also
>> nanosleep do not help. The kernel is 2.6.26. What could be reason that
>> kernel is not restart thread when time is over?
>
> It could be that the xenomai activity, if any, is running for long
> periods of time and causing linux ticks to be delayed. As usual, it
> would help if you could provide a self-contained test-case allowing us
> to reproduce the issue.
>

/proc/xenomai/stat as well, in case the rt activity changes mode a lot.

-- 
Philippe.