main.go

package main

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

func loopit() {
	for {
		select {
		case <- time.After(10 * time.Millisecond):
		}
	}
}

func main() {
	for i := 0; i < 100000; i++ {
		go loopit()
	}

	for _ = range time.Tick(time.Second) {
		numGoroutine := runtime.NumGoroutine()
		fmt.Println("Num goroutines:", numGoroutine)
	}
}