From c17c27e8585deba739ce018b967544743a824c41 Mon Sep 17 00:00:00 2001
From: Yong Wang <wang.yong19@zte.com.cn>
Date: Tue, 18 Jul 2017 08:03:07 -0400
Subject: [PATCH] doc: fix metrics example

Signed-off-by: Yong Wang <wang.yong19@zte.com.cn>
Acked-by: Remy Horton <remy.horton@intel.com>
---
 doc/guides/prog_guide/metrics_lib.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/guides/prog_guide/metrics_lib.rst b/doc/guides/prog_guide/metrics_lib.rst
index 702c29d94b..d52204fddd 100644
--- a/doc/guides/prog_guide/metrics_lib.rst
+++ b/doc/guides/prog_guide/metrics_lib.rst
@@ -144,6 +144,7 @@ print out all metrics for a given port:
 .. code-block:: c
 
     void print_metrics() {
+        struct rte_metric_value *metrics;
         struct rte_metric_name *names;
         int len;
 
-- 
2.20.1