timing.go

package main

import (
	"flag"
	"fmt"
	"time"
)

func main() {
	interval := flag.Duration("interval-timeout", time.Second, "timeout to use")
	flag.Parse()

	fmt.Printf("hello, %s\n", interval)

	start := time.Now()

	ticker := time.NewTicker(*interval)
	count := 0

	for {
		select {
			case <-ticker.C:
				count += 1

				if count % 10 == 0 {
          				diff := time.Since(start)
					fmt.Printf("%f ops/second\n", float64(count) / diff.Seconds())
				}

		}
	}
}