Sebastian Smolorz wrote:
> 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.
Right, but __ipipe_mach_tsc and ns_timer_lxlost get also updated in
__ipipe_mach_acktimer, this looks wrong, in the integrator
implementation, they are updated in the timer interrupt, only if the
timer is not stolen.
--
Gilles Chanteperdrix.
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