[dpdk-dev] [PATCH] event/sw: add unlikely branch predict

[Vipin Varghese]

For most run cases 'sw->started' holds true. Adding a branch prediction
suggestion to compiler helps as this is first conditional check just
after entering the function.

Signed-off-by: Vipin Varghese <vipin.varghese at intel.com>
---
 drivers/event/sw/sw_evdev_scheduler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/event/sw/sw_evdev_scheduler.c b/drivers/event/sw/sw_evdev_scheduler.c
index 3106eb3..17bd4c0 100644
--- a/drivers/event/sw/sw_evdev_scheduler.c
+++ b/drivers/event/sw/sw_evdev_scheduler.c
@@ -508,7 +508,7 @@ sw_event_schedule(struct rte_eventdev *dev)
 	uint32_t i;
 
 	sw->sched_called++;
-	if (!sw->started)
+	if (unlikely(!sw->started))
 		return;
 
 	do {
-- 
2.7.4