mustNotBeLabeled string
		)
		for _, loc := range s.Location {
			for _, l := range loc.Line {
				switch l.Function.Name {
				case "runtime/pprof.labelHog", "runtime/pprof.parallelLabelHog", "runtime/pprof.parallelLabelHog.func1":
					mustBeLabeled = l.Function.Name
				case "runtime/pprof.Do":
					// Do sets the labels, so samples may
					// or may not be labeled depending on