Skip to content

Handle uppercase cbr state in perf output #378

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Kevin-Li-2025 wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Handle uppercase cbr state in perf output #378

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 14 additions & 1 deletion src/perf_decode.ml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ let perf_branches_event_re =
;;

let perf_cbr_event_re =
Re.Perl.re {|^ *([a-z )(]*)? +cbr: +([0-9]+ +freq: +([0-9]+) MHz)?(.*)$|} |> Re.compile
Re.Perl.re {|^ *([a-zA-Z )(]*)? +cbr: +([0-9]+ +freq: +([0-9]+) MHz)?(.*)$|}
|> Re.compile
;;

let trace_error_re =
Expand Down Expand Up @@ -648,6 +649,18 @@ module%test _ = struct
(data (Power (freq 4500)))))) |}]
;;

let%expect_test "cbr event with uppercase state" =
check
"377433/377433 1693789.232275122: 1 \
cbr: D cbr: 36 freq: 3629 MHz (450%) 0 \
6143f240a145 main+0x1c (/root/foo)";
[%expect
{|
((Ok
((thread ((pid (377433)) (tid (377433)))) (time 19d14h29m49.232275122s)
(data (Power (freq 3629)))))) |}]
;;

(* Expected [None] because we ignore these events currently. *)
let%expect_test "power event psb offs" =
check
Expand Down