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tsweb: add num_goroutines expvar 

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
pull/1251/head
Josh Bleecher Snyder 2021-02-01 10:50:36 -08:00 committed by Josh Bleecher Snyder
parent dd10babaed
commit 516e8a4838
1 changed files with 1 additions and 0 deletions
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tsweb/tsweb.go
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@ -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)))