Pablo Galindo Salgado 572c780aa8 gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137) ... This PR implements frame caching in the RemoteUnwinder class to significantly reduce memory reads when profiling remote processes with deep call stacks. When cache_frames=True, the unwinder stores the frame chain from each sample and reuses unchanged portions in subsequent samples. Since most profiling samples capture similar call stacks (especially the parent frames), this optimization avoids repeatedly reading the same frame data from the target process. The implementation adds a last_profiled_frame field to the thread state that tracks where the previous sample stopped. On the next sample, if the current frame chain reaches this marker, the cached frames from that point onward are reused instead of being re-read from remote memory. The sampling profiler now enables frame caching by default.		2025-12-06 22:37:34 +00:00
..
abstract.h	gh-130947: Add again PySequence_Fast() to the limited C API (#130948)	2025-03-13 13:00:57 +01:00
audit.h	gh-135755: Use private names (_Py*) for header file guards new in 3.14 (GH-135921)	2025-06-26 13:05:01 +02:00
bytearrayobject.h	gh-139871: Add bytearray.take_bytes([n]) to efficiently extract bytes (GH-140128)	2025-11-13 13:19:44 +00:00
bytesobject.h	gh-129813, PEP 782: Add PyBytesWriter_Format() (#138824)	2025-09-12 14:21:57 +02:00
cellobject.h	gh-127271: Replace use of PyCell_GET/SET (gh-127272)	2024-12-03 10:33:06 -08:00
ceval.h	gh-125604: Move _Py_AuditHookEntry, etc. Out of pycore_runtime.h (gh-125605)	2024-10-18 09:26:08 -06:00
classobject.h	gh-89653: PEP 670: Convert macros to functions (#99843)	2022-11-28 16:40:08 +01:00
code.h	gh-70030: Remove _PyCode_ConstantKey() function (#139735)	2025-10-08 22:33:45 +02:00
compile.h	gh-117411: move PyFutureFeatures to pycore_symtable.h and make it private (#117412)	2024-04-02 10:34:49 +00:00
complexobject.h	gh-128813: soft-deprecate _Py_c_*() functions (GH-137261)	2025-08-01 09:40:12 +02:00
context.h	gh-124872: Replace enter/exit events with "switched" (#125532)	2024-10-16 13:53:21 +02:00
critical_section.h	gh-133296: Publicly expose critical section API that accepts PyMutex (gh-135899)	2025-07-21 17:25:43 -04:00
descrobject.h	gh-106320: Move _PyMethodWrapper_Type to internal C API (#107064)	2023-07-22 20:57:59 +00:00
dictobject.h	gh-141726: Add PyDict_SetDefaultRef() to the Stable ABI (#141727)	2025-11-19 11:38:10 +00:00
fileobject.h	gh-106320: Remove private _Py_UniversalNewlineFgetsWithSize() (#108602)	2023-08-29 02:36:50 +00:00
fileutils.h	gh-128863: Deprecate private C API functions (#128864)	2025-01-22 11:04:19 +00:00
floatobject.h	gh-89653: PEP 670: Convert macros to functions (#99843)	2022-11-28 16:40:08 +01:00
frameobject.h	gh-74929: Implement PEP 667 (GH-115153)	2024-05-04 12:12:10 +01:00
funcobject.h	gh-139924: Add PyFunction_PYFUNC_EVENT_MODIFY_QUALNAME event for function watchers (#139925)	2025-10-10 15:25:38 -07:00
genobject.h	gh-120834: fix type of *_iframe field in _PyGenObject_HEAD declaration (#120835)	2024-06-24 10:23:38 +01:00
import.h	gh-116146: Add C-API to create module from spec and initfunc (GH-139196)	2025-11-14 10:43:25 +01:00
initconfig.h	GH-133711: Enable UTF-8 mode by default (PEP 686) (#133712)	2025-07-15 10:45:41 +01:00
listobject.h	gh-112087: Make list_repr and list_length to be thread-safe (gh-114582)	2024-01-27 01:20:21 +09:00
longintrepr.h	gh-135379: Move PyLong_CheckCompact to private header and rename it (GH-135707)	2025-06-19 13:09:09 +00:00
longobject.h	gh-132639: Adds PyLong_AsNativeBytes, PyLong_FromNativeBytes and PyLong_FromUnsignedNativeBytes to the limited API (GH-132640)	2025-04-21 15:59:03 +01:00
marshal.h	gh-79315: Add Include/cpython/marshal.h header (#139725)	2025-10-07 23:49:08 +02:00
memoryobject.h	gh-106320: Remove private _PyManagedBuffer_Type (#108431)	2023-08-24 19:07:54 +02:00
methodobject.h	gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)	2022-06-16 13:49:43 +02:00
modsupport.h	gh-137210: Add a struct, slot & function for checking an extension's ABI (GH-137212)	2025-09-05 16:23:18 +02:00
monitoring.h	gh-79315: Remove Include/pylock.h and Include/monitoring.h (#139731)	2025-10-08 00:49:24 +02:00
object.h	gh-130396: Remove _Py_ReachedRecursionLimitWithMargin() function (#141951)	2025-11-27 12:32:00 +01:00
objimpl.h	gh-102013: Move PyUnstable_GC_VisitObjects() to Include/cpython/objimpl.h (#115560)	2024-02-16 15:49:13 +01:00
odictobject.h	gh-87347: Add parenthesis around macro arguments (#93915)	2022-06-20 16:04:52 +02:00
picklebufobject.h	gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815)	2022-06-16 13:49:43 +02:00
pthread_stubs.h	GH-110829: Ensure Thread.join() joins the OS thread (#110848)	2023-11-04 13:59:24 +00:00
pyatomic.h	gh-129296: Fix pyatomic.h include paths (#129320)	2025-01-29 15:06:19 +00:00
pyatomic_gcc.h	gh-131121: Fix _Py_atomic_store_char_relaxed memory order (gh-131122)	2025-03-12 09:03:04 -04:00
pyatomic_msc.h	gh-117657: TSAN Fix races in PyMember_Get and PyMember_Set for C extensions (GH-123211)	2024-12-03 09:41:53 -05:00
pyatomic_std.h	fix memory order of _Py_atomic_store_uint_release (#141562)	2025-11-17 16:53:12 +05:30
pyctype.h	bpo-43816: Add extern "C" to Include/cpython/pyctype.h (GH-25365)	2021-04-13 13:27:21 +02:00
pydebug.h	gh-77782: Deprecate global configuration variable (#93943)	2022-06-17 16:12:00 +02:00
pyerrors.h	gh-132449: Improve syntax error messages for keywords with typos (#132450)	2025-04-22 11:01:55 +02:00
pyfpe.h	bpo-35134: Move non-limited C API files to Include/cpython/ (GH-24561)	2021-02-19 15:55:46 +01:00
pyframe.h	Fix typos in comments (#120188)	2024-06-07 10:19:41 +02:00
pyhash.h	gh-111389: replace deprecated occurrences of _PyHASH_* macros (#141236)	2025-11-09 15:14:08 +01:00
pylifecycle.h	gh-129033: Remove _Py_InitializeMain() function (#129034)	2025-01-20 10:03:22 +00:00
pylock.h	gh-79315: Remove Include/pylock.h and Include/monitoring.h (#139731)	2025-10-08 00:49:24 +02:00
pymem.h	gh-90815: Add mimalloc memory allocator (#109914)	2023-10-30 15:43:11 +00:00
pystate.h	gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137)	2025-12-06 22:37:34 +00:00
pystats.h	gh-139109: A new tracing JIT compiler frontend for CPython (GH-140310)	2025-11-13 18:08:32 +00:00
pythonrun.h	gh-106320: Remove private pythonrun API (#108599)	2023-08-29 04:18:52 +02:00
pythread.h	gh-129296: Fix pyatomic.h include paths (#129320)	2025-01-29 15:06:19 +00:00
pytime.h	gh-110850: Add PyTime_TimeRaw() function (#118394)	2024-05-01 18:05:01 +00:00
setobject.h	gh-112069: Make PySet_GET_SIZE to be atomic safe. (gh-118053)	2024-04-19 06:40:28 +09:00
sliceobject.h	gh-79315: Add Include/cpython/sliceobject.h header (#139729)	2025-10-08 00:48:18 +02:00
structseq.h	gh-79315: Add Include/cpython/structseq.h header (#139730)	2025-10-08 01:19:50 +02:00
traceback.h	gh-106320: Remove private _PyTraceback functions (#108453)	2023-08-24 23:35:47 +00:00
tracemalloc.h	Add extern "C" around PyTraceMalloc_ functions. (#127772)	2024-12-11 10:27:07 +01:00
tupleobject.h	gh-111489: Add PyTuple_FromArray() function (#139691)	2025-10-10 08:54:12 +02:00
unicodeobject.h	gh-131510: Use PyUnstable_Unicode_GET_CACHED_HASH() (GH-141520)	2025-11-14 11:13:24 +01:00
warnings.h	gh-139640: Fix swallowing syntax warnings in different modules (GH-139755)	2025-10-14 17:48:09 +03:00
weakrefobject.h	gh-133644: remove PyWeakref_GetObject and PyWeakref_GET_OBJECT (GH-133657)	2025-09-24 11:25:56 +02:00