53 lines
919 B
Go
53 lines
919 B
Go
|
package chihaya
|
||
|
|
|
||
|
|
import (
|
||
|
|
"flag"
|
||
|
|
"net/http"
|
||
|
|
"os"
|
||
|
|
"runtime/pprof"
|
||
|
|
|
||
|
|
_ "net/http/pprof"
|
||
|
|
|
||
|
|
"github.com/golang/glog"
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
profile string
|
||
|
|
debugAddr string
|
||
|
|
profileFile *os.File
|
||
|
|
)
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
flag.StringVar(&profile, "profile", "", "if non-empty, path to write CPU profiling data")
|
||
|
|
flag.StringVar(&debugAddr, "debug", "", "if non-empty, address to serve debug data")
|
||
|
|
}
|
||
|
|
|
||
|
|
func debugBoot() {
|
||
|
|
var err error
|
||
|
|
|
||
|
|
if debugAddr != "" {
|
||
|
|
go func() {
|
||
|
|
glog.Info("Starting debug HTTP on ", debugAddr)
|
||
|
|
glog.Fatal(http.ListenAndServe(debugAddr, nil))
|
||
|
|
}()
|
||
|
|
}
|
||
|
|
|
||
|
|
if profile != "" {
|
||
|
|
profileFile, err = os.Create(profile)
|
||
|
|
if err != nil {
|
||
|
|
glog.Fatalf("Failed to create profile file: %s\n", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
pprof.StartCPUProfile(profileFile)
|
||
|
|
glog.Info("Started profiling")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func debugShutdown() {
|
||
|
|
if profileFile != nil {
|
||
|
|
profileFile.Close()
|
||
|
|
pprof.StopCPUProfile()
|
||
|
|
glog.Info("Stopped profiling")
|
||
|
|
}
|
||
|
|
}
|