From: Pavan Nikhilesh <pbhagavat...@marvell.com>
Recent profiling revealed few hotspots in octeontx2 event device
driver add prefetch hints to reduce stalls.
Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
drivers/event/octeontx2/otx2_worker.h | 1 +
drivers/event/octeontx2/otx2_worker_dual.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/event/octeontx2/otx2_worker.h
b/drivers/event/octeontx2/otx2_worker.h
index 6f7842199..092ba71f7 100644
--- a/drivers/event/octeontx2/otx2_worker.h
+++ b/drivers/event/octeontx2/otx2_worker.h
@@ -280,6 +280,7 @@ otx2_ssogws_event_tx(struct otx2_ssogws *ws, struct
rte_event ev[],
struct rte_mbuf *m = ev[0].mbuf;
const struct otx2_eth_txq *txq = otx2_ssogws_xtract_meta(m);
+ rte_prefetch_non_temporal(txq);
/* Perform header writes before barrier for TSO */
otx2_nix_xmit_prepare_tso(m, flags);
otx2_ssogws_order(ws, !ev->sched_type);
diff --git a/drivers/event/octeontx2/otx2_worker_dual.c
b/drivers/event/octeontx2/otx2_worker_dual.c
index ff68472ef..7016eee4a 100644
--- a/drivers/event/octeontx2/otx2_worker_dual.c
+++ b/drivers/event/octeontx2/otx2_worker_dual.c
@@ -148,6 +148,7 @@ otx2_ssogws_dual_deq_ ##name(void *port, struct rte_event
*ev, \
struct otx2_ssogws_dual *ws = port; \
uint8_t gw; \
\
+ rte_prefetch_non_temporal(ws); \
RTE_SET_USED(timeout_ticks); \
if (ws->swtag_req) { \
otx2_ssogws_swtag_wait((struct otx2_ssogws *) \
--
2.17.1
