osfmk/kern/ledger.c

533 	uint64_t elapsed, period, periods;
560 	 * See how many refill periods have passed since we last
572 	 * periods elapsing.
574 	periods = 0;
575 	while ((periods < 2) && (elapsed > 0)) {
576 		periods++;
585 		periods = (now - le->_le.le_refill.le_last_refill) / period;
588 	due = periods * le->le_limit;
606 		le->_le.le_refill.le_last_refill += (le->_le.le_refill.le_refill_period * periods);
610 	lprintf(("Refill %lld %lld->%lld\n", periods, balance, balance - due));
628  * How many sched_tick's are there in one tock (one of our lookback periods)?