Re: [Xenomai-core] native syscalls

2009-04-09 Thread Gilles Chanteperdrix
Steven Seeger wrote: Can xenomai preempt its own system calls? We ran latency with our app. We had a thread waiting on a cond, and when we signaled that cond, the latency jumped from ~70us to almost 400us even though latency runs a higher priority thread than the thread that we wake up.

Re: [Xenomai-core] geode gx1 latencies

2009-04-09 Thread Gilles Chanteperdrix
Mark Saiia wrote: Gilles and list, I have tested out your latest patch with 2.4maint, 2.627.19. It appears to work fine, no crashes related to 3dnow and no floating point issues. However, we are observing rather high latencies. This is without the hack described in the above thread.