gistfile1.txt

package main

import (
    "fmt"
    "log"
    "os"
    "runtime/pprof"
)

func waster2() int {
    j := 0;
    for i := 0; i < 100; i++ {
        j += waster1()
    }
    return j
}

func waster1() int {
    j := 0;
    for i := 0; i < 10000; i++ {
        j++
    }
    return j
}

func main() {
    f, err := os.Create("cpu.prof")

    if err != nil {
        log.Fatal("could not create CPU profile: ", err)
    }

    if err := pprof.StartCPUProfile(f); err != nil {
        log.Fatal("could not start CPU profile: ", err)
    }

    defer pprof.StopCPUProfile()

    j := waster2()

    fmt.Println(j)
}