Пример #1
0
uint64_t tsc2nsec(uint64_t tsc_time)
{
	if (mult_will_overflow_u64(tsc_time, 1000000000))
		return tsc2usec(tsc_time) * 1000;
	else
		return (tsc_time * 1000000000) / system_timing.tsc_freq;
}
Пример #2
0
uint64_t nsec2tsc(uint64_t nsec)
{
	if (mult_will_overflow_u64(nsec, system_timing.tsc_freq))
		return usec2tsc(nsec / 1000);
	else
		return (nsec * system_timing.tsc_freq) / 1000000000;
}
Пример #3
0
uint64_t nsec2tsc(uint64_t nsec)
{
	if (mult_will_overflow_u64(nsec, get_tsc_freq()))
		return usec2tsc(nsec / 1000);
	else
		return (nsec * get_tsc_freq()) / 1000000000;
}
Пример #4
0
uint64_t sec2tsc(uint64_t sec)
{
	if (mult_will_overflow_u64(sec, get_tsc_freq()))
		return (uint64_t)(-1);
	else
		return sec * get_tsc_freq();
}
Пример #5
0
uint64_t tsc2nsec(uint64_t tsc_time)
{
	if (mult_will_overflow_u64(tsc_time, 1000000000))
		return tsc2usec(tsc_time) * 1000;
	else
		return (tsc_time * 1000000000) / get_tsc_freq();
}
Пример #6
0
uint64_t sec2tsc(uint64_t sec)
{
	if (mult_will_overflow_u64(sec, system_timing.tsc_freq)) {
		/* in this case, we simply can't express the number of ticks */
		warn("Wraparound in sec2tsc(), rounding up");
		return (uint64_t)(-1);
	} else {
		return sec * system_timing.tsc_freq;
	}
}