X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=backend.c;h=85a981dc4d3fdf05183661fd9b012522a60c2aed;hp=7a030ebbbe40e2f3a10347376d1dd26eb045479c;hb=e7b24047454305dd61c9b4f9f73628a03c240a9f;hpb=ff6bb260a1dbade1559f26892883690021aa4598

diff --git a/backend.c b/backend.c
index 7a030ebb..85a981dc 100644
--- a/backend.c
+++ b/backend.c
@@ -782,17 +782,18 @@ static long long usec_for_io(struct thread_data *td, enum fio_ddir ddir)
 	bytes = td->rate_io_issue_bytes[ddir];
 	bps = td->rate_bps[ddir];
 
-	if (td->o.poisson_request) {
+	if (td->o.poisson_rate) {
 		iops = bps / td->o.bs[ddir];
-		td->last_usec += (long long)(1000000 / iops) *
-			(-logf(((float)rand() + 1) / ((float)RAND_MAX + 1)));
+		td->last_usec += (int64_t) (1000000 / iops) *
+					-logf(__rand_0_1(&td->poisson_state));
 		return td->last_usec;
 	} else if (bps) {
 		secs = bytes / bps;
 		remainder = bytes % bps;
 		return remainder * 1000000 / bps + secs * 1000000;
-	} else
-		return 0;
+	}
+
+	return 0;
 }
 
 /*