[LTP] [RFC] statx Timestamp Test case
Cyril Hrubis
chrubis@suse.cz
Fri Aug 10 14:42:56 CEST 2018
Hi!
> >void my_clock_gettime(struct timespec *time)
> > {
> > int ret;
> > struct timespec prev_time;
>
>
> > ret = clock_gettime(CLOCK_REALTIME_COARSE, &prev_time);
> > if (ret == -1)
> > tst_brk(TINFO | TERRNO, "clock_gettime failed");
>
> > do {
> > ret = clock_gettime(CLOCK_REALTIME_COARSE, time);
> > if (ret == -1)
> > tst_brk(TINFO | TERRNO, "clock_gettime failed");
> > } while (time == prev_time);
> >}
>
> Is this approach fine or is there any other better way of doing it?
You can use clock_getres() to query the lenght of the timer tick then
usleep a bit more than that, e.g. multiply that by 1.5.
--
Cyril Hrubis
chrubis@suse.cz
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