Golang func to print memory usage

anonymous-gist.go

func PrintMemUsage(id int, name string) {
	var m runtime.MemStats
	runtime.ReadMemStats(&m)
	// For info on each, see: https://golang.org/pkg/runtime/#MemStats
	fmt.Printf(
		"Call %v from %v -- Alloc = %v MiB\tTotalAlloc = %v MiB\tSys = %v MiB\tNumGC = %v\n",
		id,
		name,
		bToMb(m.Alloc),
		bToMb(m.TotalAlloc),
		bToMb(m.Sys),
		m.NumGC,
	)
}

func bToMb(b uint64) uint64 {
	return b / 1024 / 1024
}