X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=backend.c;h=b329fa31f62dc929a5bb7c5796b27a2dd03d1cd2;hp=85a981dc4d3fdf05183661fd9b012522a60c2aed;hb=6d428bcd303e466403cebdedf20a5cf84f6949cd;hpb=e7b24047454305dd61c9b4f9f73628a03c240a9f

diff --git a/backend.c b/backend.c
index 85a981dc..b329fa31 100644
--- a/backend.c
+++ b/backend.c
@@ -783,9 +783,15 @@ static long long usec_for_io(struct thread_data *td, enum fio_ddir ddir)
 	bps = td->rate_bps[ddir];
 
 	if (td->o.poisson_rate) {
+		uint64_t val;
 		iops = bps / td->o.bs[ddir];
-		td->last_usec += (int64_t) (1000000 / iops) *
-					-logf(__rand_0_1(&td->poisson_state));
+		val = (int64_t) (1000000 / iops) *
+				-logf(__rand_0_1(&td->poisson_state));
+		if (val) {
+			dprint(FD_RATE, "poisson rate iops=%llu\n",
+					(unsigned long long) 1000000 / val);
+		}
+		td->last_usec += val;
 		return td->last_usec;
 	} else if (bps) {
 		secs = bytes / bps;