diff --git a/cmd/swarm/swarm-smoke/sliding_window.go b/cmd/swarm/swarm-smoke/sliding_window.go
index 3fbcee1e0e..4e71a6a126 100644
--- a/cmd/swarm/swarm-smoke/sliding_window.go
+++ b/cmd/swarm/swarm-smoke/sliding_window.go
@@ -75,6 +75,7 @@ outer:
 		}
 
 		metrics.GetOrRegisterResettingTimer("sliding-window.upload-time", nil).UpdateSince(t1)
+		metrics.GetOrRegisterGauge("sliding-window.upload-depth", nil).Update(int64(len(hashes)))
 
 		fhash, err := digest(bytes.NewReader(randomBytes))
 		if err != nil {