On 01/08/2012 04:49 PM, Takuya Yoshikawa wrote:
> > > +
> > > + gettimeofday(&start_time, NULL);
> > > + slot.update_dirty_log();
> > > + gettimeofday(&end_time, NULL);
> >
> > Nicer to have a function that returns time in nanoseconds.
>
> I don't know such an API which can be used in userspace.
static uint64_t time_ns()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * (uint64_t)1000000000 + tv.tv_usec * 1000;
}
(that's not nanosecond precision, but it gives a single number instead
of a pair; there's also clock_gettime() that does have nanosecond
precision).
> If we can use nano-precision timer, I want to check other things
> too, e.g. emulation.
>
--
error compiling committee.c: too many arguments to function
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