File src/0dev.org/debug/pprof/pprof.go artifact 9f08d0e6cb part of check-in ffd1ab7b0c

// Package pprof starts various profiling mechanism during initialization
// and provides a function to stop and flush them
package pprof

import (
	"os"
	"runtime/pprof"
)

var (
	output *os.File
)

func init() {
	output, err := os.Create("cpu.prof")
	if err != nil {
		os.Stderr.WriteString("Error opening CPU profiling output file.\n" + err.Error())
		return
	}

	err = pprof.StartCPUProfile(output)
	if err != nil {
		os.Stderr.WriteString("Error starting CPU profiling.\n" + err.Error())
	}
}

func Stop() {
	pprof.StopCPUProfile()
}