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Add stats for PRECALL_FUNCTION. (GH-31250)

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Mark Shannon 2022-02-10 11:47:52 +00:00 committed by GitHub
parent cfc1cecd7b
commit b0662ae5c8
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3 changed files with 36 additions and 3 deletions
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5
Python/ceval.c
View file

@ -4447,6 +4447,11 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, InterpreterFrame *frame, int thr
call_shape.total_args = oparg;
call_shape.kwnames = NULL;
#ifdef Py_STATS
extern int _PySpecialization_ClassifyCallable(PyObject *);
_py_stats.opcode_stats[PRECALL_FUNCTION].specialization.failure++;
_py_stats.opcode_stats[PRECALL_FUNCTION].specialization.failure_kinds[_PySpecialization_ClassifyCallable(call_shape.callable)]++;
#endif
DISPATCH();
}

32
Python/specialize.c
View file

@ -175,6 +175,7 @@ print_spec_stats(FILE *out, OpcodeStats *stats)
/* Mark some opcodes as specializable for stats,
* even though we don't specialize them yet. */
fprintf(out, " opcode[%d].specializable : 1\n", FOR_ITER);
fprintf(out, " opcode[%d].specializable : 1\n", PRECALL_FUNCTION);
fprintf(out, " opcode[%d].specializable : 1\n", UNPACK_SEQUENCE);
for (int i = 0; i < 256; i++) {
if (adaptive_opcodes[i]) {
@ -556,7 +557,7 @@ initial_counter_value(void) {
#define SPEC_FAIL_CALL_BAD_CALL_FLAGS 17
#define SPEC_FAIL_CALL_CLASS 18
#define SPEC_FAIL_CALL_PYTHON_CLASS 19
#define SPEC_FAIL_CALL_C_METHOD_CALL 20
#define SPEC_FAIL_CALL_METHOD_DESCRIPTOR 20
#define SPEC_FAIL_CALL_BOUND_METHOD 21
#define SPEC_FAIL_CALL_STR 22
#define SPEC_FAIL_CALL_CLASS_NO_VECTORCALL 23
@ -564,6 +565,7 @@ initial_counter_value(void) {
#define SPEC_FAIL_CALL_KWNAMES 25
#define SPEC_FAIL_CALL_METHOD_WRAPPER 26
#define SPEC_FAIL_CALL_OPERATOR_WRAPPER 27
#define SPEC_FAIL_CALL_PYFUNCTION 28
/* COMPARE_OP */
#define SPEC_FAIL_COMPARE_OP_DIFFERENT_TYPES 12
@ -1651,7 +1653,13 @@ specialize_c_call(PyObject *callable, _Py_CODEUNIT *instr, int nargs,
static int
call_fail_kind(PyObject *callable)
{
if (PyInstanceMethod_Check(callable)) {
if (PyCFunction_CheckExact(callable)) {
return SPEC_FAIL_CALL_PYCFUNCTION;
}
else if (PyFunction_Check(callable)) {
return SPEC_FAIL_CALL_PYFUNCTION;
}
else if (PyInstanceMethod_Check(callable)) {
return SPEC_FAIL_CALL_INSTANCE_METHOD;
}
else if (PyMethod_Check(callable)) {
@ -1662,7 +1670,15 @@ call_fail_kind(PyObject *callable)
return SPEC_FAIL_CALL_CMETHOD;
}
else if (PyType_Check(callable)) {
return SPEC_FAIL_CALL_CLASS;
if (((PyTypeObject *)callable)->tp_new == PyBaseObject_Type.tp_new) {
return SPEC_FAIL_CALL_PYTHON_CLASS;
}
else {
return SPEC_FAIL_CALL_CLASS;
}
}
else if (Py_IS_TYPE(callable, &PyMethodDescr_Type)) {
return SPEC_FAIL_CALL_METHOD_DESCRIPTOR;
}
else if (Py_TYPE(callable) == &PyWrapperDescr_Type) {
return SPEC_FAIL_CALL_OPERATOR_WRAPPER;
@ -1905,6 +1921,8 @@ _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs,
adaptive->counter = initial_counter_value();
}
#ifdef Py_STATS
int
_PySpecialization_ClassifyIterator(PyObject *iter)
{
@ -1966,3 +1984,11 @@ _PySpecialization_ClassifySequence(PyObject *seq)
}
return SPEC_FAIL_OTHER;
}
int
_PySpecialization_ClassifyCallable(PyObject *callable)
{
return call_fail_kind(callable);
}
#endif

2
Tools/scripts/summarize_stats.py
View file

@ -114,6 +114,8 @@ def kind_to_text(kind, defines, opname):
opname = "ATTR"
if opname.endswith("SUBSCR"):
opname = "SUBSCR"
if opname.startswith("PRECALL"):
opname = "CALL"
for name in defines[kind]:
if name.startswith(opname):
return pretty(name[len(opname)+1:])