// converted to snake-case (by replaced '/' and '-' with '_') and prefixed with
// `minio_`.
func (cp collectorPath) metricPrefix() string {
	s := strings.TrimPrefix(string(cp), SlashSeparator)
	s = strings.ReplaceAll(s, SlashSeparator, "_")
	s = strings.ReplaceAll(s, "-", "_")
	return "minio_" + s
}

// isDescendantOf returns true if it is a descendant of (or the same as)
// `ancestor`.
//