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GH-109329: Add tier 2 stats (GH-109913)

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Michael Droettboom 2023-10-04 17:52:28 -04:00 • committed by GitHub
parent f7860295b1
commit e561e98058
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9 changed files with 483 additions and 128 deletions
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25
Python/executor.c
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@ -2,6 +2,7 @@
#include "opcode.h"
#include "pycore_bitutils.h"
#include "pycore_call.h"
#include "pycore_ceval.h"
#include "pycore_dict.h"
@ -30,6 +31,16 @@
goto deoptimize; \
}
#ifdef Py_STATS
// Disable these macros that apply to Tier 1 stats when we are in Tier 2
#undef STAT_INC
#define STAT_INC(opname, name) ((void)0)
#undef STAT_DEC
#define STAT_DEC(opname, name) ((void)0)
#undef CALL_STAT_INC
#define CALL_STAT_INC(name) ((void)0)
#endif
#undef ENABLE_SPECIALIZATION
#define ENABLE_SPECIALIZATION 0
@ -62,12 +73,15 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject
CHECK_EVAL_BREAKER();
OBJECT_STAT_INC(optimization_traces_executed);
OPT_STAT_INC(traces_executed);
_Py_CODEUNIT *ip_offset = (_Py_CODEUNIT *)_PyFrame_GetCode(frame)->co_code_adaptive;
int pc = 0;
int opcode;
int oparg;
uint64_t operand;
#ifdef Py_STATS
uint64_t trace_uop_execution_counter = 0;
#endif
for (;;) {
opcode = self->trace[pc].opcode;
@ -81,7 +95,12 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject
operand,
(int)(stack_pointer - _PyFrame_Stackbase(frame)));
pc++;
OBJECT_STAT_INC(optimization_uops_executed);
OPT_STAT_INC(uops_executed);
UOP_EXE_INC(opcode);
#ifdef Py_STATS
trace_uop_execution_counter++;
#endif
switch (opcode) {
#include "executor_cases.c.h"
@ -114,6 +133,7 @@ error:
// On ERROR_IF we return NULL as the frame.
// The caller recovers the frame from tstate->current_frame.
DPRINTF(2, "Error: [Opcode %d, operand %" PRIu64 "]\n", opcode, operand);
OPT_HIST(trace_uop_execution_counter, trace_run_length_hist);
_PyFrame_SetStackPointer(frame, stack_pointer);
Py_DECREF(self);
return NULL;
@ -122,6 +142,7 @@ deoptimize:
// On DEOPT_IF we just repeat the last instruction.
// This presumes nothing was popped from the stack (nor pushed).
DPRINTF(2, "DEOPT: [Opcode %d, operand %" PRIu64 "]\n", opcode, operand);
OPT_HIST(trace_uop_execution_counter, trace_run_length_hist);
frame->prev_instr--; // Back up to just before destination
_PyFrame_SetStackPointer(frame, stack_pointer);
Py_DECREF(self);