Re: [Xenomai-help] timer-handling adeos/xenomai on arm

[Sebastian Smolorz <Sebastian.Smolorz@domain.hid>]

Sebastian Smolorz wrote:
> Gilles Chanteperdrix wrote:
> > Schlägl "Manfred jun." wrote:
> >  > Hi again!
> >  >
> >  > I've the presumption, there is something wrong with my timer-handling.
> >  > Could you please take a look at my handling.
> >  >
> >  > Thanks in advance!
> >
> > The problem I see with your code is that you are updating
> > ns_timer_lxlost in __ipipe_mach_acktimer, the integrator architecture
> > code, which also uses a decrementer does not do that. Apart from that, I
> > see nothing wrong.
>
> I see another one which has to do with the fact that __ipipe_mach_tsc is
> updated both in __ipipe_mach_get_tsc and __ipipe_mach_set_dec. This leads
> to double-added ticks because the latter funcion is called only once a
> period and the former even more than once. So Xenomai counts jiffies
> in /proc/xenomai/timer to fast. Manfred, can you confirm this?

Forget this, my eyes weren't open this morning ... In  __ipipe_mach_get_tsc 
there is no update of __ipipe_mach_tsc, of course.

Sebastian