tsweb: add num_goroutines expvar
@@ -42,6 +42,7 @@ func NewMux(debugHandler http.Handler) *http.ServeMux {
func registerCommonDebug(mux *http.ServeMux) {
expvar.Publish("counter_uptime_sec", expvar.Func(func() interface{} { return int64(Uptime().Seconds()) }))
+ expvar.Publish("gauge_goroutines", expvar.Func(func() interface{} { return runtime.NumGoroutine() }))
mux.Handle("/debug/pprof/", Protected(http.DefaultServeMux)) // to net/http/pprof
mux.Handle("/debug/vars", Protected(http.DefaultServeMux)) // to expvar
mux.Handle("/debug/varz", Protected(http.HandlerFunc(VarzHandler)))
