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Victor Stinner a0773b89df
gh-108753: Enhance pystats (#108754) 
Statistics gathering is now off by default. Use the "-X pystats"
command line option or set the new PYTHONSTATS environment variable
to 1 to turn statistics gathering on at Python startup.

Statistics are no longer dumped at exit if statistics gathering was
off or statistics have been cleared.

Changes:

* Add PYTHONSTATS environment variable.
* sys._stats_dump() now returns False if statistics are not dumped
  because they are all equal to zero.
* Add PyConfig._pystats member.
* Add tests on sys functions and on setting PyConfig._pystats to 1.
* Add Include/cpython/pystats.h and Include/internal/pycore_pystats.h
  header files.
* Rename '_py_stats' variable to '_Py_stats'.
* Exclude Include/cpython/pystats.h from the Py_LIMITED_API.
* Move pystats.h include from object.h to Python.h.
* Add _Py_StatsOn() and _Py_StatsOff() functions. Remove
  '_py_stats_struct' variable from the API: make it static in
  specialize.c.
* Document API in Include/pystats.h and Include/cpython/pystats.h.
* Complete pystats documentation in Doc/using/configure.rst.
* Don't write "all zeros" stats: if _stats_off() and _stats_clear()
  or _stats_dump() were called.
* _PyEval_Fini() now always call _Py_PrintSpecializationStats() which
  does nothing if stats are all zeros.

Co-authored-by: Michael Droettboom <mdboom@gmail.com>
 		2023-09-06 15:54:59 +00:00
..
clinic gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
deepfreeze gh-97669: Create Tools/build/ directory (#97963) 2022-10-17 12:01:00 +02:00
frozen_modules gh-97669: Create Tools/build/ directory (#97963) 2022-10-17 12:01:00 +02:00
Python-ast.c gh-108444: Remove _PyLong_AsInt() function (#108461) 2023-08-25 11:13:59 +02:00
Python-tokenize.c gh-107015: Remove async_hacks from the tokenizer (#107018) 2023-07-26 16:34:15 +01:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
_warnings.c gh-106320: Remove private _PyTraceback functions (#108453) 2023-08-24 23:35:47 +00:00
abstract_interp_cases.c.h gh-106581: Split CALL_BOUND_METHOD_EXACT_ARGS into uops (#108462) 2023-08-24 17:36:00 -07:00
adaptive.md GH-98686: Get rid of "adaptive" and "quick" instructions (GH-99182) 2022-11-09 10:50:09 -08:00
asdl.c bpo-43244: Remove ast.h, asdl.h, Python-ast.h headers (GH-24933) 2021-03-23 20:47:40 +01:00
asm_trampoline.S gh-96143: Move the perf trampoline files to the Python directory (#98675) 2022-10-25 23:34:22 +01:00
assemble.c gh-108444: Replace _PyLong_AsInt() with PyLong_AsInt() (#108459) 2023-08-25 01:01:30 +02:00
ast.c GH-107263: Increase C stack limit for most functions, except `_PyEval_EvalFrameDefault()` (GH-107535) 2023-08-04 10:10:29 +01:00
ast_opt.c GH-107263: Increase C stack limit for most functions, except `_PyEval_EvalFrameDefault()` (GH-107535) 2023-08-04 10:10:29 +01:00
ast_unparse.c gh-100227: Move _str_replace_inf to PyInterpreterState (gh-102333) 2023-02-28 14:16:39 -07:00
bltinmodule.c gh-108765: Python.h no longer includes <ctype.h> (#108831) 2023-09-03 18:54:27 +02:00
bootstrap_hash.c gh-106320: Remove private pylifecycle.h functions (#106400) 2023-07-04 09:41:43 +00:00
bytecodes.c GH-108614: Remove `TIER_ONE` and `TIER_TWO` from `_PUSH_FRAME` (GH-108725) 2023-09-04 11:36:57 +01:00
ceval.c GH-108390: Prevent non-local events being set with `sys.monitoring.set_local_events()` (GH-108420) 2023-09-05 08:03:53 +01:00
ceval_gil.c gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
ceval_macros.h gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
codecs.c gh-108765: Python.h no longer includes <ctype.h> (#108831) 2023-09-03 18:54:27 +02:00
compile.c gh-106320: Remove private _PyErr_WriteUnraisableMsg() (#108863) 2023-09-05 01:54:55 +02:00
condvar.h gh-74953: _PyThread_cond_after() uses _PyTime_t (#94056) 2022-06-21 15:45:49 +02:00
context.c GH-84436: Skip refcounting for known immortals (GH-107605) 2023-08-04 16:24:50 -07:00
dtoa.c gh-104263: Rely on Py_NAN and introduce Py_INFINITY (GH-104202) 2023-05-10 17:44:52 +01:00
dup2.c gh-108765: Python.h no longer includes <unistd.h> (#108783) 2023-09-02 16:50:18 +02:00
dynamic_annotations.c bpo-32241: Add the const qualifire to declarations of umodifiable strings. (#4748) 2017-12-12 13:55:04 +02:00
dynload_hpux.c bpo-44959: Add fallback to extension modules with '.sl' suffix on HP-UX (GH-27857) 2021-09-08 14:43:00 +02:00
dynload_shlib.c gh-101758: Clean Up Uses of Import State (gh-101919) 2023-02-15 15:32:31 -07:00
dynload_stub.c
…
dynload_win.c gh-108765: Python.h no longer includes <ctype.h> (#108831) 2023-09-03 18:54:27 +02:00
emscripten_signal.c bpo-47176: Interrupt handling for wasm32-emscripten builds without pthreads (GH-32209) 2022-04-03 22:58:52 +02:00
errors.c gh-108765: Python.h no longer includes <ctype.h> (#108831) 2023-09-03 18:54:27 +02:00
executor.c GH-108614: Remove `TIER_ONE` and `TIER_TWO` from `_PUSH_FRAME` (GH-108725) 2023-09-04 11:36:57 +01:00
executor_cases.c.h GH-108614: Remove `TIER_ONE` and `TIER_TWO` from `_PUSH_FRAME` (GH-108725) 2023-09-04 11:36:57 +01:00
fileutils.c gh-107913: Fix possible losses of OSError error codes (GH-107930) 2023-08-27 00:35:06 +03:00
flowgraph.c gh-108444: Replace _PyLong_AsInt() with PyLong_AsInt() (#108459) 2023-08-25 01:01:30 +02:00
formatter_unicode.c gh-92536: Remove PyUnicode_READY() calls (#105210) 2023-06-02 01:33:17 +02:00
frame.c gh-107149: Make PyUnstable_ExecutableKinds public (#108440) 2023-08-31 09:56:06 +02:00
frozen.c gh-100227: Only Use deepfreeze for the Main Interpreter (gh-103794) 2023-04-24 21:48:05 +00:00
frozenmain.c gh-106320: Remove private _PyInterpreterState functions (#106325) 2023-07-02 01:39:38 +00:00
future.c gh-106320: Remove more private _PyUnicode C API functions (#106382) 2023-07-03 22:35:46 +00:00
generated_cases.c.h GH-108614: Remove `TIER_ONE` and `TIER_TWO` from `_PUSH_FRAME` (GH-108725) 2023-09-04 11:36:57 +01:00
getargs.c gh-108765: Python.h no longer includes <ctype.h> (#108831) 2023-09-03 18:54:27 +02:00
getcompiler.c closes bpo-43278: remove unnecessary leading '\n' from COMPILER when build with GCC/Clang (GH-24606) 2021-02-25 20:24:21 -08:00
getcopyright.c Update copyright years to 2023. (gh-100848) 2023-01-08 09:13:25 -06:00
getopt.c gh-90300: split --help output into separate options (#30331) 2022-06-01 05:50:01 -04:00
getplatform.c bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
getversion.c gh-81057: Move Globals in Core Code to _PyRuntimeState (gh-99496) 2022-11-15 09:45:11 -07:00
hamt.c gh-106320: Remove private PyLong C API functions (#108429) 2023-08-24 18:53:50 +02:00
hashtable.c gh-108634: Py_TRACE_REFS uses a hash table (#108663) 2023-08-31 18:33:34 +02:00
import.c gh-106320: Remove private _PyDict functions (#108449) 2023-08-24 20:01:50 +00:00
importdl.c gh-106320: Remove private _PyErr C API functions (#106356) 2023-07-03 10:48:50 +00:00
importdl.h gh-106210 Remove Emscripten import trampoline (#106211) 2023-06-29 17:20:49 -07:00
initconfig.c gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
instrumentation.c GH-108390: Prevent non-local events being set with `sys.monitoring.set_local_events()` (GH-108420) 2023-09-05 08:03:53 +01:00
intrinsics.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
legacy_tracing.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
marshal.c gh-106320: Move private _PySet API to the internal API (#107041) 2023-07-22 17:04:34 +02:00
modsupport.c bpo-42327: C API: Add PyModule_Add() function (GH-23443) 2023-07-18 09:42:05 +03:00
mysnprintf.c Add a warning message about PyOS_snprintf (#95993) 2022-10-07 11:49:53 -07:00
mystrtoul.c gh-108765: Python.h no longer includes <ctype.h> (#108831) 2023-09-03 18:54:27 +02:00
opcode_targets.h gh-105481: generate op IDs from bytecode.c instead of hard coding them in opcode.py (#107971) 2023-08-16 22:25:18 +00:00
optimizer.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
optimizer_analysis.c gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367) 2023-08-23 18:39:00 +01:00
pathconfig.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
perf_trampoline.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
preconfig.c gh-106320: Remove private pylifecycle.h functions (#106400) 2023-07-04 09:41:43 +00:00
pyarena.c bpo-43244: Remove the pyarena.h header (GH-25007) 2021-03-24 02:23:01 +01:00
pyctype.c
…
pyfpe.c bpo-46315: Add ifdef HAVE_ feature checks for WASI compatibility (GH-30507) 2022-01-13 09:46:04 +01:00
pyhash.c gh-106320: Move private _PyHash API to the internal C API (#107026) 2023-07-22 13:49:37 +00:00
pylifecycle.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
pymath.c bpo-45440: Remove pymath.c fallbacks (GH-28977) 2021-10-15 19:45:34 +02:00
pystate.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
pystrcmp.c gh-108767: Replace ctype.h functions with pyctype.h functions (#108772) 2023-09-01 18:36:53 +02:00
pystrhex.c gh-108765: pystrhex: Replace stdlib.h abs() with Py_ABS() (#108830) 2023-09-02 23:15:54 +02:00
pystrtod.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
pythonrun.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
pytime.c gh-108765: Python.h no longer includes <sys/time.h> (#108775) 2023-09-02 17:51:19 +02:00
specialize.c gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
stdlib_module_names.h gh-105481: generate _specializations and _specialized_instructions from bytecodes.c (#105913) 2023-06-19 23:47:04 +01:00
structmember.c gh-106869: Use new PyMemberDef constant names (#106871) 2023-07-25 15:28:30 +02:00
suggestions.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
symtable.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
sysmodule.c gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
thread.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
thread_nt.h gh-81057: Move Threading-Related Globals to _PyRuntimeState (#100084) 2022-12-08 17:50:58 -07:00
thread_pthread.h gh-101538: Add experimental wasi-threads build (#101537) 2023-06-22 11:26:10 -07:00
thread_pthread_stubs.h gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
traceback.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00
tracemalloc.c gh-108765: Cleanup #include in Python/*.c files (#108977) 2023-09-06 15:56:08 +02:00

README 

Miscellaneous source files for the main Python shared library