Jan Kiszka wrote:
> > Sometimes the result is "Should be near 84000: 100000", that is kind of
> > correct, since the tickval is 100000, although I think that those
> > functions
> > in the RTDM driver context should be independent of the tick value set by
> > the
> > user program... Maybe using oneshot in the driver calls and periodic in
> > the
> > application... I really don't know what would be the best approach here...
>
> rtdm_clock_read always uses the nucleus clock. Using something different
> (e.g. always TSC) would break applications specifying absolute times
> derived from the return values of other skins' functions.
Maybe adding a service to RTDM would allow users to measure short time
intervals with RTDM using the TSC ?
The native (rt_timer_tsc()) and posix (clock_gettime(CLOCK_MONOTONIC))
skins have a way to do this.
--
Gilles Chanteperdrix.
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