Gilles Chanteperdrix <gilles.chanteperdrix <at> xenomai.org> writes:
> > On 08/03/2011 06:09 AM, ke zhou wrote: > > hello ,everyone! > > I`m trying to patch the 2.6.25 kernel with Adeos Ipipe.And the xenomai > > version is xenomai-2.4.4.tar.gz. > > But when I execute " ./latency -t0 -T60 -p100 -h " on the s3c2440 board,there > > are some errors : > > == Sampling period: 100 us > > == Test mode: periodic user-mode task > > == All results in microseconds > > warming up... > > latency: failed to set periodic, code -110 > > latency: failed to pend on semaphore, code -110 > > > > Any idea about that ? > > The latencies on s3c24x will not allow you to run with a 100us period. > Also, you should use xenomai 2.5.6. > I`d tried to run with a 100000000us period or 10000000us ,that`s the same problem.Actually,the error was thrown out by rt_task_set_periodic ().Especially,when I use rt_task_set_periodic() or rt_task_wait_period() in my program,they can`t return 0. But I`ll try to use xenomai.2.5.6. Thank you! _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
