allocate_memory.go

package main

import (
	"fmt"
	"time"
)

func doEvery(d time.Duration, f func(time.Time)) {
	for x := range time.Tick(d) {
		SmallSlab = append(SmallSlab, make([]byte, 1024*1024)...)
		f(x)
	}
}

func printTime(t time.Time) {
	fmt.Printf("%v\n", t)
}

// Slab of allocated memory
var Slab []byte
var SmallSlab []byte

func main() {
	Slab = make([]byte, 1024*1024*1024*5) // 5GB
	SmallSlab = make([]byte, 1024)
	doEvery(500*time.Millisecond, printTime)
}