From: Dustin Lundquist <dustin@null-ptr.net>
Date: Tue, 13 Feb 2018 16:58:56 +0000 (-0800)
Subject: examples/exception_path: align stats on cache line
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ec94968ed4c53d7fa16a49b7243ece10b93ab8ba;hp=3344fb8fa4dd285647730fb3d8eba9ea12ca2d79;p=dpdk.git

examples/exception_path: align stats on cache line

Align stats structure to cache line to prevent bouncing per CPU stats
structure between cache lines.

Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org

Signed-off-by: Dustin Lundquist <dustin@null-ptr.net>
Acked-by: Remy Horton <remy.horton@intel.com>
---

diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c
index 280a50451a..3e5b1e718f 100644
--- a/examples/exception_path/main.c
+++ b/examples/exception_path/main.c
@@ -108,7 +108,7 @@ struct stats {
 	uint64_t rx;
 	uint64_t tx;
 	uint64_t dropped;
-};
+} __rte_cache_aligned;
 
 /* Array of lcore-specific stats */
 static struct stats lcore_stats[RTE_MAX_LCORE];