/*
* busy looping version for the last few usec
*/
-void usec_spin(unsigned int usec)
+uint64_t usec_spin(unsigned int usec)
{
struct timeval start;
+ uint64_t t;
fio_gettime(&start, NULL);
- while (utime_since_now(&start) < usec)
+ while ((t = utime_since_now(&start)) < usec)
nop;
+
+ return t;
}
-void usec_sleep(struct thread_data *td, unsigned long usec)
+uint64_t usec_sleep(struct thread_data *td, unsigned long usec)
{
struct timespec req;
struct timeval tv;
+ uint64_t t = 0;
do {
unsigned long ts = usec;
if (usec < ns_granularity) {
- usec_spin(usec);
+ t += usec_spin(usec);
break;
}
break;
ts = utime_since_now(&tv);
+ t += ts;
if (ts >= usec)
break;
usec -= ts;
} while (!td->terminate);
+
+ return t;
}
uint64_t time_since_genesis(void)