Add serving time metric for all files

1 files changed, 6 insertions, 0 deletions

diff --git a/metrics/metrics.go b/metrics/metrics.go
index 1950eb77..949ffa1e 100644
--- a/metrics/metrics.go
+++ b/metrics/metrics.go
@@ -82,6 +82,12 @@ var (
 		Name: "gitlab_pages_serving_file_size",
 		Help: "The size in bytes for each file that has been served",
 	}, []string{"serving_type", "content_type"})
+
+	// ServingTime metric for time taken to find a file serving it or not found.
+	ServingTime = prometheus.NewGauge(prometheus.GaugeOpts{
+		Name: "gitlab_pages_serving_time",
+		Help: "The time (in seconds) taken to serve a file",
+	})
 )
 
 // MustRegister collectors with the Prometheus client