10000 gh-120144: Disable the CALL event when possible to achieve zero overhead pdb by gaogaotiantian · Pull Request #131390 · python/cpython · GitHub
[go: up one dir, main page]
Skip to content

gh-120144: Disable the CALL event when possible to achieve zero overhead pdb #131390

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

Merged
merged 2 commits into from
Mar 21, 2025
Merged

gh-120144: Disable the CALL event when possible to achieve zero overhead pdb #131390

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
046b7b5
Disable the CALL event when possible to achieve zero overhead pdb
gaogaotiantian Mar 18, 2025
2a62328
📜🤖 Added by blurb_it.
blurb-it[bot] Mar 18, 2025
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
7 changes: 6 additions & 1 deletion Lib/bdb.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -342,7 +342,12 @@ def dispatch_call(self, frame, arg):
self.botframe = frame.f_back # (CT) Note that this may also be None!
return self.trace_dispatch
if not (self.stop_here(frame) or self.break_anywhere(frame)):
# No need to trace this function
# We already know there's no breakpoint in this function
# If it's a next/until/return command, we don't need any CALL event
# and we don't need to set the f_trace on any new frame.
# If it's a step command, it must either hit stop_here, or skip the
# whole module. Either way, we don't need the CALL event here.
self.disable_current_event()
return # None
# Ignore call events in generator except when stepping.
if self.stopframe and frame.f_code.co_flags & GENERATOR_AND_COROUTINE_FLAGS:
Expand Down
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2025-03-18-02-11-33.gh-issue-120144.dBLFkI.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Disable ``CALL`` event in :mod:`bdb` in ``monitoring`` backend when we don't need any new events on the code object to get a better performance.
Loading
0