sys/kern/kern_clocksource.c

99 static int		singlemul;	/* Multiplier for periodic mode. */
100 SYSCTL_INT(_kern_eventtimer, OID_AUTO, singlemul, CTLFLAG_RWTUN, &singlemul,
430 	singlemul = MIN(MAX(singlemul, 1), 20);
431 	freq = hz * singlemul;
636 	if (singlemul <= 0 || singlemul > 20) {
638 			singlemul = 1;
640 			singlemul = 2;
642 			singlemul = 4;
645 		base = round_freq(timer, hz * singlemul);
646 		singlemul = max((base + hz / 2) / hz, 1);
647 		hz = (base + singlemul / 2) / singlemul;
652 			if (div >= singlemul && (div % singlemul) == 0)