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GH-103082: Implementation of PEP 669: Low Impact Monitoring for CPython (GH-103083)

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* The majority of the monitoring code is in instrumentation.c

* The new instrumentation bytecodes are in bytecodes.c

* legacy_tracing.c adapts the new API to the old sys.setrace and sys.setprofile APIs
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Mark Shannon 2023-04-12 12:04:55 +01:00 • committed by GitHub
parent dce2d38cb0
commit 411b169281
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44 changed files with 6029 additions and 1625 deletions
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3
Lib/importlib/_bootstrap_external.py
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@ -439,6 +439,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.12a7 3523 (Convert COMPARE_AND_BRANCH back to COMPARE_OP)
# Python 3.12a7 3524 (Shrink the BINARY_SUBSCR caches)
# Python 3.12b1 3525 (Shrink the CALL caches)
# Python 3.12a7 3526 (Add instrumentation support)
# Python 3.13 will start with 3550
@ -455,7 +456,7 @@ _code_type = type(_write_atomic.__code__)
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3525).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3526).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c