numLabelUnits, ignoredUnits := p.NumLabelUnits()

	// Print errors for tags with multiple units associated with
	// a single key.
	for k, units := range ignoredUnits {
		ui.PrintErr(fmt.Sprintf("For tag %s used unit %s, also encountered unit(s) %s", k, numLabelUnits[k], strings.Join(units, ", ")))
	}
	return numLabelUnits
}

type sampleValueFunc func([]int64) int64

	// Infer units for keys without any units associated with
	// numeric tag values.
	for key := range encounteredKeys {
		unit := numLabelUnits[key]
		if unit == "" {
			switch key {
			case "alignment", "request":
				numLabelUnits[key] = "bytes"
			default:
				numLabelUnits[key] = key
			}
		}
	}

	// Copy ignored units into more readable format
	unitsIgnored := make(map[string][]string, len(ignoredUnits))

	OutputFormat int

	CumSort       bool
	CallTree      bool
	DropNegative  bool
	CompactLabels bool
	Ratio         float64
	Title         string
	ProfileLabels []string
	ActiveFilters []string
	NumLabelUnits map[string]string

	NodeCount    int
	NodeFraction float64
	EdgeFraction float64

	SampleValue       func(s []int64) int64
	SampleMeanDivisor func(s []int64) int64
	SampleType        string