fmt.Fprintf(w, "# Stack = %d / %d\n", s.StackInuse, s.StackSys)
	fmt.Fprintf(w, "# MSpan = %d / %d\n", s.MSpanInuse, s.MSpanSys)
	fmt.Fprintf(w, "# MCache = %d / %d\n", s.MCacheInuse, s.MCacheSys)
	fmt.Fprintf(w, "# BuckHashSys = %d\n", s.BuckHashSys)
	fmt.Fprintf(w, "# GCSys = %d\n", s.GCSys)
	fmt.Fprintf(w, "# OtherSys = %d\n", s.OtherSys)

	fmt.Fprintf(w, "# NextGC = %d\n", s.NextGC)
	fmt.Fprintf(w, "# LastGC = %d\n", s.LastGC)

		case "/memory/classes/other:bytes":
			checkUint64(t, name, samples[i].Value.Uint64(), mstats.OtherSys)
		case "/memory/classes/profiling/buckets:bytes":
			checkUint64(t, name, samples[i].Value.Uint64(), mstats.BuckHashSys)
		case "/memory/classes/total:bytes":
			checkUint64(t, name, samples[i].Value.Uint64(), mstats.Sys)
		case "/gc/heap/allocs-by-size:bytes":
			hist := samples[i].Value.Float64Histogram()