golang pprof 简单使用

├── go.mod

├── go.sum

├── main.go

package main

?

import (

 "fmt"

 "log"

 "net/http"

 _ "net/http/pprof"

?

 "github.com/shirou/gopsutil/mem"

)

?

func printinfo() {

 for {

  // fetch virtual mem info

  mem, err := mem.VirtualMemory()

  if err != nil {

   fmt.Println("some wrong", err)

  } else {

   fmt.Println((mem.String()))

  }

 }

}

func main() {

 go printinfo()

 log.Println(http.ListenAndServe("0.0.0.0:6060", nil))

}

go run main.go

go tool pprof http://localhost:6060/debug/pprof/profile?seconds=30

pprof -http 0.0.0.0:8080 profile

build: clean compile

clean: 

 rm -rf pprof-demo-*

compile:

 echo "Compiling for every OS and Platform"

 GOOS=darwin GOARCH=amd64 go build -o pprof-demo-mac main.go

 GOOS=linux GOARCH=amd64 go build -o pprof-demo-linux main.go

 GOOS=windows GOARCH=amd64 go build -o pprof-demo-windows.exe main.go

make build