cmd/relaysrv: Add number of routines

cmd/relaysrv/status.go

@@ -40,6 +40,7 @@ func getStatus(w http.ResponseWriter, r *http.Request) {
 	status["goOS"] = runtime.GOOS
 	status["goArch"] = runtime.GOARCH
 	status["goMaxProcs"] = runtime.GOMAXPROCS(-1)
+	status["goNumRoutine"] = runtime.NumGoroutine()
 	status["kbps10s1m5m15m30m60m"] = []int64{
 		rc.rate(10/10) * 8 / 1000,
 		rc.rate(60/10) * 8 / 1000,