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

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Merged
gaogaotiantian merged 2 commits into from
Mar 21, 2025
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gh-120144: Disable the CALL event when possible to achieve zero overhead pdb #131390

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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
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Disable the CALL event when possible to achieve zero overhead pdb
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@gaogaotiantian
gaogaotiantian committed Mar 18, 2025
commit 046b7b5f6603084d648f8978520b3a6fded5a10d
7 changes: 6 additions & 1 deletion Lib/bdb.py
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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:
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