diff --git a/core/metrics.c b/core/metrics.c
index 9f6fb139..47dc8ee0 100644
--- a/core/metrics.c
+++ b/core/metrics.c
@@ -970,6 +970,22 @@ static int64_t uwsgi_metric_collector_sum(struct uwsgi_metric *um) {
         return total;
 }
 
+static int64_t uwsgi_metric_collector_avg(struct uwsgi_metric *um) {
+        int64_t total = 0;
+	int64_t count = 0;
+        struct uwsgi_metric_child *umc = um->children;
+        while(umc) {
+                struct uwsgi_metric *c = umc->um;
+                total += *c->value;
+		count++;
+                umc = umc->next;
+        }
+
+	if (count == 0) return 0;
+
+        return total/count;
+}
+
 static int64_t uwsgi_metric_collector_func(struct uwsgi_metric *um) {
 	if (!um->arg1) return 0;
 	int64_t (*func)(struct uwsgi_metric *) = (int64_t (*)(struct uwsgi_metric *)) um->custom;
@@ -985,5 +1001,6 @@ void uwsgi_metrics_collectors_setup() {
 	uwsgi_register_metric_collector("ptr", uwsgi_metric_collector_ptr);
 	uwsgi_register_metric_collector("file", uwsgi_metric_collector_file);
 	uwsgi_register_metric_collector("sum", uwsgi_metric_collector_sum);
+	uwsgi_register_metric_collector("avg", uwsgi_metric_collector_avg);
 	uwsgi_register_metric_collector("func", uwsgi_metric_collector_func);
 }