b := bufio.NewWriter(w)
	tw := tabwriter.NewWriter(b, 1, 8, 1, '\t', 0)
	w = tw

	var total runtime.MemProfileRecord
	for i := range p {
		r := &p[i]
		total.AllocBytes += r.AllocBytes
		total.AllocObjects += r.AllocObjects
		total.FreeBytes += r.FreeBytes
		total.FreeObjects += r.FreeObjects
	}

	// Technically the rate is MemProfileRate not 2*MemProfileRate,

	si = sampleIndex(flagInUseObjects, si, "inuse_objects", "-inuse_objects", o.UI)
	si = sampleIndex(flagAllocSpace, si, "alloc_space", "-alloc_space", o.UI)
	si = sampleIndex(flagAllocObjects, si, "alloc_objects", "-alloc_objects", o.UI)
	cfg.SampleIndex = si

	if *flagMeanDelay {
		cfg.Mean = true
	}

	source := &source{
		Sources:            args,
		ExecName:           execName,

	}
}

var heapzSampleTypes = [][]string{
	{"allocations", "size"}, // early Go pprof profiles
	{"objects", "space"},
	{"inuse_objects", "inuse_space"},
	{"alloc_objects", "alloc_space"},
	{"alloc_objects", "alloc_space", "inuse_objects", "inuse_space"}, // Go pprof legacy profiles
}
var contentionzSampleTypes = [][]string{
	{"contentions", "delay"},
}