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-rw-r--r--doc/guides/prog_guide/metrics_lib.rst1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/guides/prog_guide/metrics_lib.rst b/doc/guides/prog_guide/metrics_lib.rst
index 702c29d9..d52204fd 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;