diff --git a/main.go b/main.go
index ac084e8..22a171e 100644
--- a/main.go
+++ b/main.go
@@ -173,6 +173,9 @@ func dumpOnSignal(signals ...os.Signal) {
 	c := make(chan os.Signal, 1)
 	signal.Notify(c, signals...)
 	for _ = range c {
+		log.Printf("dump: goroutine...")
 		pprof.Lookup("goroutine").WriteTo(os.Stderr, 1)
+		log.Printf("dump: heap...")
+		pprof.Lookup("heap").WriteTo(os.Stderr, 1)
 	}
 }