X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fevent%2Fdsw%2Fdsw_event.c;h=05abfb24c756a6dd565da4f9956c5829faf4366c;hb=3db0a0984f42255a0c4c97b80c7ac1ded8f3dd86;hp=d68b71b9827b28abe644c8c106c491e4124477f5;hpb=587e1fe1d59c5cd92f33f597b9886b660f515dcf;p=dpdk.git

diff --git a/drivers/event/dsw/dsw_event.c b/drivers/event/dsw/dsw_event.c
index d68b71b982..05abfb24c7 100644
--- a/drivers/event/dsw/dsw_event.c
+++ b/drivers/event/dsw/dsw_event.c
@@ -1242,11 +1242,11 @@ dsw_event_dequeue_burst(void *port, struct rte_event *events, uint16_t num,
 		 * seem to improve performance.
 		 */
 		dsw_port_record_seen_events(port, events, dequeued);
-	}
-	/* XXX: Assuming the port can't produce any more work,
-	 *	consider flushing the output buffer, on dequeued ==
-	 *	0.
-	 */
+	} else /* Zero-size dequeue means a likely idle port, and thus
+		* we can afford trading some efficiency for a slightly
+		* reduced event wall-time latency.
+		*/
+		dsw_port_flush_out_buffers(dsw, port);
 
 #ifdef DSW_SORT_DEQUEUED
 	dsw_stable_sort(events, dequeued, sizeof(events[0]), dsw_cmp_event);