Rainbond/util/pprofer.go

61 lines
2.0 KiB
Go

// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package util
import (
"expvar"
"fmt"
"net/http"
"net/http/pprof"
)
//ServeMux -
type ServeMux interface {
HandleFunc(pattern string, funC http.HandlerFunc)
}
//ProfilerSetup pprof route
func ProfilerSetup(r ServeMux) {
r.HandleFunc("/vars", expVars)
r.HandleFunc("/debug/pprof/", pprof.Index)
r.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
r.HandleFunc("/debug/pprof/profile", pprof.Profile)
r.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
r.HandleFunc("/debug/pprof/trace", pprof.Trace)
r.HandleFunc("/debug/pprof/block", pprof.Handler("block").ServeHTTP)
r.HandleFunc("/debug/pprof/heap", pprof.Handler("heap").ServeHTTP)
r.HandleFunc("/debug/pprof/goroutine", pprof.Handler("goroutine").ServeHTTP)
r.HandleFunc("/debug/pprof/threadcreate", pprof.Handler("threadcreate").ServeHTTP)
}
// Replicated from expvar.go as not public.
func expVars(w http.ResponseWriter, r *http.Request) {
first := true
w.Header().Set("Content-Type", "application/json; charset=utf-8")
fmt.Fprintf(w, "{\n")
expvar.Do(func(kv expvar.KeyValue) {
if !first {
fmt.Fprintf(w, ",\n")
}
first = false
fmt.Fprintf(w, "%q: %s", kv.Key, kv.Value)
})
fmt.Fprintf(w, "\n}\n")
}