From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dustin Lundquist <dustin@null-ptr.net>
Subject: [PATCH] example exception_path: cache align per CPU stats
Date: Mon, 12 Feb 2018 19:43:17 -0800
Message-ID: <20180213034317.28219-1-dustin@null-ptr.net>
Cc: dev@dpdk.org,
	Dustin Lundquist <dustin@null-ptr.net>
To: Remy Horton <remy.horton@intel.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mail-pl0-f67.google.com (mail-pl0-f67.google.com
 [209.85.160.67]) by dpdk.org (Postfix) with ESMTP id 744481B2C8
 for <dev@dpdk.org>; Tue, 13 Feb 2018 04:44:01 +0100 (CET)
Received: by mail-pl0-f67.google.com with SMTP id k8so6026565pli.8
 for <dev@dpdk.org>; Mon, 12 Feb 2018 19:44:01 -0800 (PST)
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

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

Signed-off-by: Dustin Lundquist <dustin@null-ptr.net>
---
 examples/exception_path/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c
index 280a50451..3e5b1e718 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];
-- 
2.11.0