Jan Kiszka wrote:
> A simple patch, just like suggested by Gilles, to avoid looping over
> periodic xntimer handlers in case of overruns.
>
> It saves the current TSC on loop entry and uses this value later when
> forwarding the timer. Is is the overhead of re-reading the TSC on all
> archs negligible and should we rather go that way?
>(...)
> - xntimerh_date(&timer->aplink) +=
> - nkpod->htimer.interval;
> + while ((xntimerh_date(&timer->aplink) +=
> + nkpod->htimer.interval) < now);
I think you are patching the wrong addition, the one you are interested
in is most probably the one at the bottom of xntimer_do_tick_aperiodic.
--
Gilles Chanteperdrix.
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