metrics: add function to deinitialise library

[dpdk.git] / lib / librte_metrics / rte_metrics.c

diff --git a/lib/librte_metrics/rte_metrics.c b/lib/librte_metrics/rte_metrics.c
index 99a96b6..df5e32c 100644 (file)
--- a/lib/librte_metrics/rte_metrics.c
+++ b/lib/librte_metrics/rte_metrics.c
@@ -76,6 +76,26 @@ rte_metrics_init(int socket_id)
        rte_spinlock_init(&stats->lock);
 }
 
+int
+rte_metrics_deinit(void)
+{
+       struct rte_metrics_data_s *stats;
+       const struct rte_memzone *memzone;
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return -EINVAL;
+
+       memzone = rte_memzone_lookup(RTE_METRICS_MEMZONE_NAME);
+       if (memzone == NULL)
+               return -EIO;
+
+       stats = memzone->addr;
+       memset(stats, 0, sizeof(struct rte_metrics_data_s));
+
+       return rte_memzone_free(memzone);
+
+}
+
 int
 rte_metrics_reg_name(const char *name)
 {