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* gh-125604: Move _Py_AuditHookEntry, etc. Out of pycore_runtime.h (gh-125605)Eric Snow2024-10-18
| | | | | | | | | | | | This is essentially a cleanup, moving a handful of API declarations to the header files where they fit best, creating new ones when needed. We do the following: * add pycore_debug_offsets.h and move _Py_DebugOffsets, etc. there * inline struct _getargs_runtime_state and struct _gilstate_runtime_state in _PyRuntimeState * move struct _reftracer_runtime_state to the existing pycore_object_state.h * add pycore_audit.h and move to it _Py_AuditHookEntry , _PySys_Audit(), and _PySys_ClearAuditHooks * add audit.h and cpython/audit.h and move the existing audit-related API there *move the perfmap/trampoline API from cpython/sysmodule.h to cpython/ceval.h, and remove the now-empty cpython/sysmodule.h
* gh-123923: Defer refcounting for `f_executable` in `_PyInterpreterFrame` ↵Sam Gross2024-09-12
| | | | | | | | (#123924) Use a `_PyStackRef` and defer the reference to `f_executable` when possible. This avoids some reference count contention in the common case of executing the same code object from multiple threads concurrently in the free-threaded build.
* gh-122029: Log call events in sys.setprofile when it's a method with c ↵Tian Gao2024-07-23
| | | | | function (GH-122072) Log call events in sys.setprofile when it is a method with a C function.
* gh-121814: Only check f_trace_opcodes if Python frame exists (#121818)Tian Gao2024-07-15
| | | Co-authored-by: Matt Wozniski <godlygeek@gmail.com>
* gh-107674: Lazy load line number to improve performance of tracing (GH-118127)Tian Gao2024-04-29
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* gh-117385: Remove unhooked events on sys.settrace (GH-117386)Tian Gao2024-04-26
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* gh-116818: Make `sys.settrace`, `sys.setprofile`, and monitoring thread-safe ↵Dino Viehland2024-04-19
| | | | | | | (#116775) Makes sys.settrace, sys.setprofile, and monitoring generally thread-safe. Mostly uses a stop-the-world approach and synchronization around the code object's _co_instrumentation_version. There may be a little bit of extra synchronization around the monitoring data that's required to be TSAN clean.
* gh-103615: Use local events for opcode tracing (GH-109472)Tian Gao2023-11-03
| | | | | | | * Use local monitoring for opcode trace * Remove f_opcode_trace_set * Add test for setting f_trace_opcodes after settrace
* gh-110892: Return NULL for `PyTrace_RETURN` events caused by an exception ↵Tian Gao2023-11-02
| | | | (GH-110909)
* gh-110514: Add PY_THROW to `sys.setprofile` events (GH-110524)Tian Gao2023-10-09
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* gh-108765: Cleanup #include in Python/*.c files (#108977)Victor Stinner2023-09-06
| | | Mention one symbol imported by each #include.
* gh-108444: Replace _PyLong_AsInt() with PyLong_AsInt() (#108459)Victor Stinner2023-08-25
| | | | | | Change generated by the command: sed -i -e 's!_PyLong_AsInt!PyLong_AsInt!g' \ $(find -name "*.c" -o -name "*.h")
* GH-107724: Fix the signature of `PY_THROW` callback functions. (GH-107725)Mark Shannon2023-08-09
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* GH-106898: Add the exception as an argument to the `PY_UNWIND` event ↵Mark Shannon2023-07-27
| | | | callback function. (GH-107347)
* GH-100987: Allow objects other than code objects as the "executable" of an ↵Mark Shannon2023-06-14
| | | | | | | | | | internal frame. (GH-105727) * Add table describing possible executable classes for out-of-process debuggers. * Remove shim code object creation code as it is no longer needed. * Make lltrace a bit more robust w.r.t. non-standard frames.
* GH-103082: Filter LINE events in VM, to simplify tool implementation. ↵Mark Shannon2023-05-12
| | | | | | | | (GH-104387) When monitoring LINE events, instrument all instructions that can have a predecessor on a different line. Then check that the a new line has been hit in the instrumentation code. This brings the behavior closer to that of 3.11, simplifying implementation and porting of tools.
* gh-84436: Implement Immortal Objects (gh-19474)Eddie Elizondo2023-04-22
| | | | | | | | | This is the implementation of PEP683 Motivation: The PR introduces the ability to immortalize instances in CPython which bypasses reference counting. Tagging objects as immortal allows up to skip certain operations when we know that the object will be around for the entire execution of the runtime. Note that this by itself will bring a performance regression to the runtime due to the extra reference count checks. However, this brings the ability of having truly immutable objects that are useful in other contexts such as immutable data sharing between sub-interpreters.
* GH-103082: Implementation of PEP 669: Low Impact Monitoring for CPython ↵Mark Shannon2023-04-12
(GH-103083) * 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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