mirror of https://github.com/python/cpython
Remove CALL_PROFILE special build
Issue #28799: * Remove the PyEval_GetCallStats() function. * Deprecate the untested and undocumented sys.callstats() function. * Remove the CALL_PROFILE special build Use the sys.setprofile() function, cProfile or profile module to profile function calls.
This commit is contained in:
Victor Stinner
parent
214678e44b
commit
048afd98b3
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@ -1147,46 +1147,6 @@ Python-level trace functions in previous versions.
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:c:func:`PyEval_SetProfile`, except the tracing function does receive line-number
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events.
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.. c:function:: PyObject* PyEval_GetCallStats(PyObject *self)
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Return a tuple of function call counts. There are constants defined for the
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positions within the tuple:
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+-------------------------------+-------+
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| Name | Value |
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+===============================+=======+
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| :const:`PCALL_ALL` | 0 |
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+-------------------------------+-------+
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| :const:`PCALL_FUNCTION` | 1 |
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+-------------------------------+-------+
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| :const:`PCALL_FAST_FUNCTION` | 2 |
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+-------------------------------+-------+
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| :const:`PCALL_FASTER_FUNCTION`| 3 |
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+-------------------------------+-------+
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| :const:`PCALL_METHOD` | 4 |
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+-------------------------------+-------+
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| :const:`PCALL_BOUND_METHOD` | 5 |
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+-------------------------------+-------+
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| :const:`PCALL_CFUNCTION` | 6 |
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+-------------------------------+-------+
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| :const:`PCALL_TYPE` | 7 |
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+-------------------------------+-------+
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| :const:`PCALL_GENERATOR` | 8 |
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+-------------------------------+-------+
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| :const:`PCALL_OTHER` | 9 |
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+-------------------------------+-------+
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| :const:`PCALL_POP` | 10 |
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+-------------------------------+-------+
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:const:`PCALL_FAST_FUNCTION` means no argument tuple needs to be created.
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:const:`PCALL_FASTER_FUNCTION` means that the fast-path frame setup code is used.
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If there is a method call where the call can be optimized by changing
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the argument tuple and calling the function directly, it gets recorded
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twice.
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This function is only present if Python is compiled with :const:`CALL_PROFILE`
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defined.
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.. _advanced-debugging:
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@ -120,7 +120,6 @@ PyAPI_DATA(int) _Py_CheckRecursionLimit;
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PyAPI_FUNC(const char *) PyEval_GetFuncName(PyObject *);
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PyAPI_FUNC(const char *) PyEval_GetFuncDesc(PyObject *);
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PyAPI_FUNC(PyObject *) PyEval_GetCallStats(PyObject *);
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PyAPI_FUNC(PyObject *) PyEval_EvalFrame(struct _frame *);
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PyAPI_FUNC(PyObject *) PyEval_EvalFrameEx(struct _frame *f, int exc);
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#ifndef Py_LIMITED_API
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@ -10,6 +10,11 @@ What's New in Python 3.7.0 alpha 1
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Core and Builtins
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-----------------
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- Issue #28799: Remove the ``PyEval_GetCallStats()`` function and deprecate
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the untested and undocumented ``sys.callstats()`` function. Remove the
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``CALL_PROFILE`` special build: use the :func:`sys.setprofile` function,
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:mod:`cProfile` or :mod:`profile` to profile function calls.
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- Issue #12844: More than 255 arguments can now be passed to a function.
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- Issue #28782: Fix a bug in the implementation ``yield from`` when checking
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@ -83,63 +83,6 @@ static long dxp[256];
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#endif
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#endif
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/* Function call profile */
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#ifdef CALL_PROFILE
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#define PCALL_NUM 11
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static int pcall[PCALL_NUM];
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#define PCALL_ALL 0
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#define PCALL_FUNCTION 1
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#define PCALL_FAST_FUNCTION 2
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#define PCALL_FASTER_FUNCTION 3
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#define PCALL_METHOD 4
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#define PCALL_BOUND_METHOD 5
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#define PCALL_CFUNCTION 6
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#define PCALL_TYPE 7
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#define PCALL_GENERATOR 8
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#define PCALL_OTHER 9
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#define PCALL_POP 10
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/* Notes about the statistics
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PCALL_FAST stats
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FAST_FUNCTION means no argument tuple needs to be created.
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FASTER_FUNCTION means that the fast-path frame setup code is used.
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If there is a method call where the call can be optimized by changing
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the argument tuple and calling the function directly, it gets recorded
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twice.
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As a result, the relationship among the statistics appears to be
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PCALL_ALL == PCALL_FUNCTION + PCALL_METHOD - PCALL_BOUND_METHOD +
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PCALL_CFUNCTION + PCALL_TYPE + PCALL_GENERATOR + PCALL_OTHER
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PCALL_FUNCTION > PCALL_FAST_FUNCTION > PCALL_FASTER_FUNCTION
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PCALL_METHOD > PCALL_BOUND_METHOD
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*/
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#define PCALL(POS) pcall[POS]++
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PyObject *
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PyEval_GetCallStats(PyObject *self)
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{
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return Py_BuildValue("iiiiiiiiiii",
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pcall[0], pcall[1], pcall[2], pcall[3],
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pcall[4], pcall[5], pcall[6], pcall[7],
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pcall[8], pcall[9], pcall[10]);
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}
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#else
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#define PCALL(O)
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PyObject *
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PyEval_GetCallStats(PyObject *self)
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{
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Py_INCREF(Py_None);
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return Py_None;
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}
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#endif
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#ifdef WITH_THREAD
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#define GIL_REQUEST _Py_atomic_load_relaxed(&gil_drop_request)
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#else
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@ -3278,7 +3221,6 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
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PREDICTED(CALL_FUNCTION);
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TARGET(CALL_FUNCTION) {
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PyObject **sp, *res;
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PCALL(PCALL_ALL);
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sp = stack_pointer;
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res = call_function(&sp, oparg, NULL);
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stack_pointer = sp;
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@ -3294,7 +3236,6 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
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names = POP();
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assert(PyTuple_CheckExact(names) && PyTuple_GET_SIZE(names) <= oparg);
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PCALL(PCALL_ALL);
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sp = stack_pointer;
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res = call_function(&sp, oparg, names);
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stack_pointer = sp;
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@ -3309,7 +3250,6 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
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TARGET(CALL_FUNCTION_EX) {
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PyObject *func, *callargs, *kwargs = NULL, *result;
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PCALL(PCALL_ALL);
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if (oparg & 0x01) {
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kwargs = POP();
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if (!PyDict_CheckExact(kwargs)) {
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@ -4099,8 +4039,6 @@ _PyEval_EvalCodeWithName(PyObject *_co, PyObject *globals, PyObject *locals,
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* when the generator is resumed. */
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Py_CLEAR(f->f_back);
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PCALL(PCALL_GENERATOR);
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/* Create a new generator that owns the ready to run frame
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* and return that as the value. */
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if (is_coro) {
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@ -4793,8 +4731,6 @@ call_function(PyObject ***pp_stack, Py_ssize_t oparg, PyObject *kwnames)
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if (PyCFunction_Check(func)) {
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PyThreadState *tstate = PyThreadState_GET();
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PCALL(PCALL_CFUNCTION);
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stack = (*pp_stack) - nargs - nkwargs;
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C_TRACE(x, _PyCFunction_FastCallKeywords(func, stack, nargs, kwnames));
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}
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@ -4802,8 +4738,6 @@ call_function(PyObject ***pp_stack, Py_ssize_t oparg, PyObject *kwnames)
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if (PyMethod_Check(func) && PyMethod_GET_SELF(func) != NULL) {
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/* optimize access to bound methods */
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PyObject *self = PyMethod_GET_SELF(func);
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PCALL(PCALL_METHOD);
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PCALL(PCALL_BOUND_METHOD);
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Py_INCREF(self);
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func = PyMethod_GET_FUNCTION(func);
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Py_INCREF(func);
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@ -4835,7 +4769,6 @@ call_function(PyObject ***pp_stack, Py_ssize_t oparg, PyObject *kwnames)
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while ((*pp_stack) > pfunc) {
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w = EXT_POP(*pp_stack);
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Py_DECREF(w);
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PCALL(PCALL_POP);
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}
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return x;
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@ -4860,7 +4793,6 @@ _PyFunction_FastCall(PyCodeObject *co, PyObject **args, Py_ssize_t nargs,
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Py_ssize_t i;
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PyObject *result;
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PCALL(PCALL_FASTER_FUNCTION);
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assert(globals != NULL);
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/* XXX Perhaps we should create a specialized
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PyFrame_New() that doesn't take locals, but does
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@ -4906,9 +4838,6 @@ fast_function(PyObject *func, PyObject **stack,
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/* kwnames must only contains str strings, no subclass, and all keys must
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be unique */
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PCALL(PCALL_FUNCTION);
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PCALL(PCALL_FAST_FUNCTION);
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if (co->co_kwonlyargcount == 0 && nkwargs == 0 &&
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co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE))
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{
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@ -4971,9 +4900,6 @@ _PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs,
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assert(nargs == 0 || args != NULL);
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assert(kwargs == NULL || PyDict_Check(kwargs));
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PCALL(PCALL_FUNCTION);
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PCALL(PCALL_FAST_FUNCTION);
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if (co->co_kwonlyargcount == 0 &&
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(kwargs == NULL || PyDict_Size(kwargs) == 0) &&
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co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE))
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@ -5041,23 +4967,6 @@ _PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs,
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static PyObject *
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do_call_core(PyObject *func, PyObject *callargs, PyObject *kwdict)
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{
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#ifdef CALL_PROFILE
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/* At this point, we have to look at the type of func to
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update the call stats properly. Do it here so as to avoid
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exposing the call stats machinery outside ceval.c
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*/
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if (PyFunction_Check(func))
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PCALL(PCALL_FUNCTION);
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else if (PyMethod_Check(func))
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PCALL(PCALL_METHOD);
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else if (PyType_Check(func))
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PCALL(PCALL_TYPE);
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else if (PyCFunction_Check(func))
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PCALL(PCALL_CFUNCTION);
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else
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PCALL(PCALL_OTHER);
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#endif
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if (PyCFunction_Check(func)) {
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PyObject *result;
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PyThreadState *tstate = PyThreadState_GET();
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@ -1287,6 +1287,19 @@ a 11-tuple where the entries in the tuple are counts of:\n\
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10. Number of stack pops performed by call_function()"
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);
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static PyObject *
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sys_callstats(PyObject *self)
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{
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if (PyErr_WarnEx(PyExc_DeprecationWarning,
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"sys.callstats() has been deprecated in Python 3.7 "
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"and will be removed in the future", 1) < 0) {
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return NULL;
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}
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Py_RETURN_NONE;
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}
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -1352,7 +1365,7 @@ Return True if Python is exiting.");
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static PyMethodDef sys_methods[] = {
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/* Might as well keep this in alphabetic order */
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{"callstats", (PyCFunction)PyEval_GetCallStats, METH_NOARGS,
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{"callstats", (PyCFunction)sys_callstats, METH_NOARGS,
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callstats_doc},
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{"_clear_type_cache", sys_clear_type_cache, METH_NOARGS,
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sys_clear_type_cache__doc__},
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