pthread_mutex_lock(&ipt->init_lock);
/* exit if any other thread failed to start */
- if (ipc.status == IDLE_PROF_STATUS_ABORT)
+ if (ipc.status == IDLE_PROF_STATUS_ABORT) {
+ pthread_mutex_unlock(&ipt->init_lock);
return NULL;
+ }
retval = set_cpu_affinity(ipt);
if (retval == -1) {
pthread_mutex_lock(&ipt->start_lock);
/* exit if other threads failed to initialize */
- if (ipc.status == IDLE_PROF_STATUS_ABORT)
+ if (ipc.status == IDLE_PROF_STATUS_ABORT) {
+ pthread_mutex_unlock(&ipt->start_lock);
return NULL;
+ }
/* exit if we are doing calibration only */
- if (ipc.status == IDLE_PROF_STATUS_CALI_STOP)
+ if (ipc.status == IDLE_PROF_STATUS_CALI_STOP) {
+ pthread_mutex_unlock(&ipt->start_lock);
return NULL;
+ }
fio_gettime(&ipt->tps, NULL);
ipt->state = TD_RUNNING;
/* calculate idleness */
if (ipc.cali_mean != 0.0) {
runt = utime_since(&ipt->tps, &ipt->tpe);
- ipt->idleness = ipt->loops * ipc.cali_mean / runt;
+ if (runt)
+ ipt->idleness = ipt->loops * ipc.cali_mean / runt;
+ else
+ ipt->idleness = 0.0;
} else
ipt->idleness = 0.0;
}