go/src/cmd/vendor/github.com/google/pprof/internal/driver/tagroot.go

// addLabelNodes adds pseudo stack frames "label:value" to each Sample with
// labels matching the supplied keys.
//
// rootKeys adds frames at the root of the callgraph (first key becomes new root).
// leafKeys adds frames at the leaf of the callgraph (last key becomes new leaf).
//
// Returns whether there were matches found for the label keys.
func addLabelNodes(p *profile.Profile, rootKeys, leafKeys []string, outputUnit string) (rootm, leafm bool) { … }

// formatLabelValues returns all the string and numeric labels in Sample, with
// the numeric labels formatted according to outputUnit.
func formatLabelValues(s *profile.Sample, k string, outputUnit string) []string { … }