Add helpers for getting/setting file engine data
[fio.git] / idletime.c
index 9e6960702ca0face97c1602534bf79616f2afbaf..a366d2b16311bf6ec1b8e8d50fb84c44edc71eda 100644 (file)
@@ -73,8 +73,10 @@ static void *idle_prof_thread_fn(void *data)
        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) {
@@ -109,12 +111,16 @@ static void *idle_prof_thread_fn(void *data)
        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;
@@ -336,7 +342,10 @@ void fio_idle_prof_stop(void)
                /* 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;
        }
@@ -379,7 +388,7 @@ static double fio_idle_prof_cpu_stat(int cpu)
        return p * 100.0;
 }
 
-void fio_idle_prof_cleanup(void)
+static void fio_idle_prof_cleanup(void)
 {
        if (ipc.ipts) {
                free(ipc.ipts);