[PATCH] event/sw: move stats code for better cache access

* [PATCH] event/sw: move stats code for better cache access
@ 2018-02-27 20:17 Vipin Varghese
  2018-03-14 13:14 ` Laatz, Kevin
  0 siblings, 1 reply; 3+ messages in thread
From: Vipin Varghese @ 2018-02-27 20:17 UTC (permalink / raw)
  To: dev, harry.van.haaren; +Cc: Vipin Varghese

variables 'out_pkts_total' and 'out_pkts_total' will be in registers.
Hence shifting the code after the loop, helps the update from registers.

Signed-off-by: Vipin Varghese <vipin.varghese@intel.com>
---
 drivers/event/sw/sw_evdev_scheduler.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/event/sw/sw_evdev_scheduler.c b/drivers/event/sw/sw_evdev_scheduler.c
index 17bd4c0..9143b93 100644
--- a/drivers/event/sw/sw_evdev_scheduler.c
+++ b/drivers/event/sw/sw_evdev_scheduler.c
@@ -541,6 +541,12 @@ sw_event_schedule(struct rte_eventdev *dev)
 			break;
 	} while ((int)out_pkts_total < sched_quanta);
 
+	sw->stats.tx_pkts += out_pkts_total;
+	sw->stats.rx_pkts += in_pkts_total;
+
+	sw->sched_no_iq_enqueues += (in_pkts_total == 0);
+	sw->sched_no_cq_enqueues += (out_pkts_total == 0);
+
 	/* push all the internal buffered QEs in port->cq_ring to the
 	 * worker cores: aka, do the ring transfers batched.
 	 */
@@ -552,10 +558,4 @@ sw_event_schedule(struct rte_eventdev *dev)
 		sw->ports[i].cq_buf_count = 0;
 	}
 
-	sw->stats.tx_pkts += out_pkts_total;
-	sw->stats.rx_pkts += in_pkts_total;
-
-	sw->sched_no_iq_enqueues += (in_pkts_total == 0);
-	sw->sched_no_cq_enqueues += (out_pkts_total == 0);
-
 }
-- 
2.7.4

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