[Xenomai-help] 10us periodical task (Xenomai vs. RTAI)

[Igor Plyatov <plyatov@domain.hid>]

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