From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4FF402AD.3020601@xenomai.org> Date: Wed, 04 Jul 2012 10:45:33 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <4FF369E5.5040007@xenomai.org> In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Subject: Re: [Xenomai] Xenomai and normal linux application - Wait time with select() not reliable List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?B?SmVucyBLw7ZobGVy?= Cc: xenomai@xenomai.org 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. -- Gilles.