runtime/pprof: document labels bug

Currently only CPU profile utilizes tag information. This change documents that fact Updates #23458 Change-Id: Ic893e85f63af0da9100d8cba7d3328c294e8c810 GitHub-Last-Rev: be99a12 GitHub-Pull-Request: #27198 Reviewed-on: https://go-review.googlesource.com/c/go/+/131275 Reviewed-by: Hyang-Ah Hana Kim <[email protected]>
golang · Mar 7, 2019 · 9a71015 · 9a71015
1 parent 91170d7
commit 9a71015
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/runtime/pprof/label.go b/src/runtime/pprof/label.go
@@ -54,6 +54,8 @@ func WithLabels(ctx context.Context, labels LabelSet) context.Context {
 // Labels takes an even number of strings representing key-value pairs
 // and makes a LabelSet containing them.
 // A label overwrites a prior label with the same key.
+// Currently only CPU profile utilizes labels information.
+// See https://golang.org/issue/23458 for details.
 func Labels(args ...string) LabelSet {
 	if len(args)%2 != 0 {
 		panic("uneven number of arguments to pprof.Labels")