Improve rate accounting
Don't assume usec_sleep() is extremely precise.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/time.c b/time.c
index c5b67ff..80f8ca4 100644
--- a/time.c
+++ b/time.c
@@ -130,9 +130,13 @@
unsigned long s = usec_cycle - time_spent;
td->rate_pending_usleep += s;
+
if (td->rate_pending_usleep >= 100000) {
+ struct timeval t;
+
+ fio_gettime(&t, NULL);
usec_sleep(td, td->rate_pending_usleep);
- td->rate_pending_usleep = 0;
+ td->rate_pending_usleep -= utime_since_now(&t);
}
} else {
long overtime = time_spent - usec_cycle;