coredns/middleware/pprof/pprof.go
Miek Gieben de0fa53379 Doc: add package docs (#296)
* Doc: add package docs

Add short package level docs to make godoc looks nicer.
Add some badges to the README.

* correct url
2016-09-25 08:39:20 +01:00

49 lines
875 B
Go

// Package pprof implement a debug endpoint for getting profiles using the
// go pprof tooling.
package pprof
import (
"log"
"net"
"net/http"
pp "net/http/pprof"
)
type handler struct {
ln net.Listener
mux *http.ServeMux
}
func (h *handler) Startup() error {
ln, err := net.Listen("tcp", addr)
if err != nil {
log.Printf("[ERROR] Failed to start pprof handler: %s", err)
return err
}
h.ln = ln
h.mux = http.NewServeMux()
h.mux.HandleFunc(path+"/", pp.Index)
h.mux.HandleFunc(path+"/cmdline", pp.Cmdline)
h.mux.HandleFunc(path+"/profile", pp.Profile)
h.mux.HandleFunc(path+"/symbol", pp.Symbol)
h.mux.HandleFunc(path+"/trace", pp.Trace)
go func() {
http.Serve(h.ln, h.mux)
}()
return nil
}
func (h *handler) Shutdown() error {
if h.ln != nil {
return h.ln.Close()
}
return nil
}
const (
addr = "localhost:6053"
path = "/debug/pprof"
)