From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <46529EF3.8060005@domain.hid> Date: Tue, 22 May 2007 11:42:43 +0400 From: Igor Plyatov MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: [Xenomai-help] 10us periodical task (Xenomai vs. RTAI) Reply-To: plyatov@domain.hid List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@xenomai.org Hello! >> > Is it possible to get 10us period for task in Xenomai or not? > > Running a task with a period of 10us is usually considered a bit out of > the scope of Xenomai. Nevertheles, there were some recent improvements > on Xenomai trunk that might make this possible. It would be interesting > if you tested this with trunk and tell us whether it works. Can somebody recommend applicable opensource RTOS extension for Linux (with support for x86 and ARM)? > Also note that in order to get ultra-low latencies, you have to properly > calibrate the nucleus latency (/proc/xenomai/latency). How to do this? (Please, navigate me to the rigth documentation or answer in this list). >> > May be better to use only ADEOS functions for my task, is it faster then >> > RTDM? > > Adeos has no notion of a "task", so, you would have to implement your > task in an interrupt handler, and yes, you would get better performance > (see for example the difference between latency -t 2 and latency -t 1). Can somebody give me a simple example of fast periodical "task" with usage of only ADEOS functions. -- Igor Plyatov