1Please answer these questions before submitting your issue. Thanks! 2 3### What version of pprof are you using? 4 5If you are using pprof via `go tool pprof`, what's your `go env` output? 6If you run pprof from GitHub, what's the Git revision? 7 8 9### What operating system and processor architecture are you using? 10 11 12### What did you do? 13 14If possible, provide a recipe for reproducing the error. 15Attaching a profile you are trying to analyze is good. 16 17 18### What did you expect to see? 19 20 21### What did you see instead? 22 23