checking goroutines on a system

goroutine_test.go

package main

import (
	"fmt"
	"runtime"
	"time"
)

func do() {
	for {
	}
}

const DURATION = 20 * time.Second

func main() {
	// every DURATION spawn a goroutine
	for {
		fmt.Printf("Spawning...\n")
		go do()
		fmt.Printf("%d routines...\n", runtime.NumGoroutine())
		time.Sleep(DURATION)
	}
}