Re: [Xenomai] issue with cobalt/timer: avoid periodic timer drift

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On 07/06/2014 06:00 PM, Matthias Schneider wrote:
>> You seem to have created a periodic timer with a null period. Could you
>> post a sample code allowing to reproduce this issue?
>>  
> 
> 
> This happens in most of my freertos apps (e.g. demo, etc.). However, 
> I have not put any effort in narrowing the problem down, in the hope
> the problem would be deductible from the kernel state. Maybe you could
> give a few hints where a periodic timer could come into play? In the
> freertos skin there are only tasks, queues and semaphores, so I
> am not creating any periodic timer explicitly. Are there occasiosn
> when periodic timers are being created implicitly using the three
> primitives mentioned above? Or can I configure an intelligent
> breakpoint to catch the creation of a periodic timer?

Maybe you could put a breakpoint to see where xntimer_start is called?


-- 
                                                                Gilles.