Symbol: ITIMER_VIRTUAL
sys/kern/kern_clock.c
860
timevalisset(&p->p_timer[ITIMER_VIRTUAL].it_value) &&
sys/kern/kern_clock.c
861
itimerdecr(&p->p_timer[ITIMER_VIRTUAL], ustick) == 0) {
sys/kern/kern_time.c
975
case ITIMER_VIRTUAL: