package main

import (
	"os"
	"runtime"
	"runtime/trace"
)

var global interface{}

func init() {
	global = make([]interface{}, 100000000)
}

var global2 []interface{}

func main() {
	runtime.GC()
	var f, _ = os.Create("trace1.out")
	trace.Start(f)
	for i := 0; i < 10000; i++ {
		global2 = append(global2, make([]int, 100))
	}
	trace.Stop()

	global2 = nil

	var f2, _ = os.Create("trace2.out")
	trace.Start(f2)
	runtime.GC()
	for i := 0; i < 10000; i++ {
		global2 = append(global2, make([]int, 100))
	}
	trace.Stop()
	global2 = nil
}


// go tool trace -http=127.0.0.1:8082 ./trace1.out
// go tool trace -http=127.0.0.1:8083 ./trace2.out