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bpo-46072: Add some frame stats. (GH-31060)

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Mark Shannon 2022-02-02 11:01:33 +00:00 • committed by GitHub
parent a05866ce3e
commit 187930f74c
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7 changed files with 16 additions and 1 deletions
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5
Python/ceval.c
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@ -2242,6 +2242,7 @@ handle_eval_breaker:
if (new_frame == NULL) {
goto error;
}
CALL_STAT_INC(frames_pushed);
_PyFrame_InitializeSpecials(new_frame, getitem,
NULL, code->co_nlocalsplus);
STACK_SHRINK(2);
@ -4660,6 +4661,7 @@ handle_eval_breaker:
if (new_frame == NULL) {
goto error;
}
CALL_STAT_INC(inlined_py_calls);
STACK_SHRINK(argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = stack_pointer[i];
@ -4690,6 +4692,7 @@ handle_eval_breaker:
if (new_frame == NULL) {
goto error;
}
CALL_STAT_INC(inlined_py_calls);
STACK_SHRINK(argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = stack_pointer[i];
@ -4708,7 +4711,6 @@ handle_eval_breaker:
_PyFrame_SetStackPointer(frame, stack_pointer);
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
}
@ -6078,6 +6080,7 @@ _PyEvalFramePushAndInit(PyThreadState *tstate, PyFunctionObject *func,
{
PyCodeObject * code = (PyCodeObject *)func->func_code;
size_t size = code->co_nlocalsplus + code->co_stacksize + FRAME_SPECIALS_SIZE;
CALL_STAT_INC(frames_pushed);
InterpreterFrame *frame = _PyThreadState_BumpFramePointer(tstate, size);
if (frame == NULL) {
goto fail;

2
Python/frame.c
View file

@ -1,6 +1,7 @@
#include "Python.h"
#include "frameobject.h"
#include "pycore_code.h" // stats
#include "pycore_frame.h"
#include "pycore_object.h" // _PyObject_GC_UNTRACK()
#include "opcode.h"
@ -113,6 +114,7 @@ _PyFrame_Push(PyThreadState *tstate, PyFunctionObject *func)
{
PyCodeObject *code = (PyCodeObject *)func->func_code;
size_t size = code->co_nlocalsplus + code->co_stacksize + FRAME_SPECIALS_SIZE;
CALL_STAT_INC(frames_pushed);
InterpreterFrame *new_frame = _PyThreadState_BumpFramePointer(tstate, size);
if (new_frame == NULL) {
return NULL;

2
Python/pystate.c
View file

@ -3,6 +3,7 @@
#include "Python.h"
#include "pycore_ceval.h"
#include "pycore_code.h" // stats
#include "pycore_frame.h"
#include "pycore_initconfig.h"
#include "pycore_object.h" // _PyType_InitCache()
@ -2219,6 +2220,7 @@ _PyThreadState_PushFrame(PyThreadState *tstate, PyFunctionObject *func, PyObject
int nlocalsplus = code->co_nlocalsplus;
size_t size = nlocalsplus + code->co_stacksize +
FRAME_SPECIALS_SIZE;
CALL_STAT_INC(frames_pushed);
InterpreterFrame *frame = _PyThreadState_BumpFramePointer(tstate, size);
if (frame == NULL) {
return NULL;

2
Python/specialize.c
View file

@ -169,6 +169,8 @@ print_call_stats(FILE *out, CallStats *stats)
{
fprintf(out, "Calls to PyEval_EvalDefault: %" PRIu64 "\n", stats->pyeval_calls);
fprintf(out, "Calls to Python functions inlined: %" PRIu64 "\n", stats->inlined_py_calls);
fprintf(out, "Frames pushed: %" PRIu64 "\n", stats->frames_pushed);
fprintf(out, "Frame objects created: %" PRIu64 "\n", stats->frame_objects_created);
}
static void