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gh-115178: Add Counts of UOp Pairs to pystats (GH-115181)

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Jeff Glass 2024-04-16 08:27:18 -05:00 • committed by GitHub
parent c053d52edd
commit acf69e09c6
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6 changed files with 26 additions and 4 deletions
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2
Python/ceval.c
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@ -995,6 +995,7 @@ enter_tier_two:
; // dummy statement after a label, before a declaration
uint16_t uopcode;
#ifdef Py_STATS
int lastuop = 0;
uint64_t trace_uop_execution_counter = 0;
#endif
@ -1018,6 +1019,7 @@ tier2_dispatch:
next_uop++;
OPT_STAT_INC(uops_executed);
UOP_STAT_INC(uopcode, execution_count);
UOP_PAIR_INC(uopcode, lastuop);
#ifdef Py_STATS
trace_uop_execution_counter++;
#endif

9
Python/specialize.c
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@ -11,6 +11,7 @@
#include "pycore_object.h"
#include "pycore_opcode_metadata.h" // _PyOpcode_Caches
#include "pycore_uop_metadata.h" // _PyOpcode_uop_name
#include "pycore_uop_ids.h" // MAX_UOP_ID
#include "pycore_opcode_utils.h" // RESUME_AT_FUNC_START
#include "pycore_pylifecycle.h" // _PyOS_URandomNonblock()
#include "pycore_runtime.h" // _Py_ID()
@ -269,6 +270,14 @@ print_optimization_stats(FILE *out, OptimizationStats *stats)
}
}
for (int i = 1; i <= MAX_UOP_ID; i++){
for (int j = 1; j <= MAX_UOP_ID; j++) {
if (stats->opcode[i].pair_count[j]) {
fprintf(out, "uop[%s].pair_count[%s] : %" PRIu64 "\n",
_PyOpcode_uop_name[i], _PyOpcode_uop_name[j], stats->opcode[i].pair_count[j]);
}
}
}
for (int i = 0; i < MAX_UOP_ID; i++) {
if (stats->error_in_opcode[i]) {
fprintf(