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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
..
_bootstrap_python.c gh-99582: freeze zipimport into _bootstrap_python (#99583) 2022-12-10 15:05:56 +05:30
_freeze_module.c gh-108765: Python.h no longer includes <unistd.h> (#108783) 2023-09-02 16:50:18 +02:00
_freeze_module.py bpo-45949: Pure Python freeze module for cross builds (GH-29899) 2021-12-13 20:48:46 +01:00
_testembed.c gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
freeze_test_frozenmain.py bpo-44131: Test Py_FrozenMain() (GH-26126) 2021-05-17 23:48:35 +02:00
python.c bpo-40268: Remove unused imports in pylifecycle.c (GH-19533) 2020-04-15 04:01:58 +02:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
test_frozenmain.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
test_frozenmain.py bpo-44131: Py_FrozenMain() uses PyConfig_SetBytesArgv() (GH-26201) 2021-05-20 12:08:05 +02:00

README 

Source files for binary executables (as opposed to shared modules)