Prefetch the cacheline having the cycle stats so that we can speed up
the cycles_count_start() and cycles_count_intermediate().
Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodire...@intel.com>
---
lib/dpif-netdev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index b74b5d7..ab13d83 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -576,7 +576,7 @@ struct dp_netdev_pmd_thread {
struct ovs_mutex flow_mutex;
/* 8 pad bytes. */
);
- PADDED_MEMBERS(CACHE_LINE_SIZE,
+ PADDED_MEMBERS_CACHELINE_MARKER(CACHE_LINE_SIZE, cachelineC,
struct cmap flow_table OVS_GUARDED; /* Flow table. */
/* One classifier per in_port polled by the pmd */
@@ -4082,6 +4082,7 @@ reload:
lc = UINT_MAX;
}
+ OVS_PREFETCH_CACHE(&pmd->cachelineC, OPCH_HTW);
cycles_count_start(pmd);
for (;;) {
for (i = 0; i < poll_cnt; i++) {
--
2.4.11
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