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Improve object stats (#92845)

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* Add incref/decref stats

* Show ratios for allocation in summary
This commit is contained in:
Mark Shannon 2022-05-16 14:35:11 +01:00 • committed by GitHub
parent f6fd8aac13
commit fa2b8b75eb
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 106 additions and 55 deletions
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2
Python/ceval.c
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@ -55,6 +55,7 @@
#undef Py_DECREF
#define Py_DECREF(arg) \
do { \
_Py_DECREF_STAT_INC(); \
PyObject *op = _PyObject_CAST(arg); \
if (--op->ob_refcnt == 0) { \
destructor dealloc = Py_TYPE(op)->tp_dealloc; \
@ -78,6 +79,7 @@
#undef _Py_DECREF_SPECIALIZED
#define _Py_DECREF_SPECIALIZED(arg, dealloc) \
do { \
_Py_DECREF_STAT_INC(); \
PyObject *op = _PyObject_CAST(arg); \
if (--op->ob_refcnt == 0) { \
destructor d = (destructor)(dealloc); \

2
Python/specialize.c
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@ -191,6 +191,8 @@ print_object_stats(FILE *out, ObjectStats *stats)
fprintf(out, "Object allocations over 4 kbytes: %" PRIu64 "\n", stats->allocations_big);
fprintf(out, "Object frees: %" PRIu64 "\n", stats->frees);
fprintf(out, "Object new values: %" PRIu64 "\n", stats->new_values);
fprintf(out, "Object increfs: %" PRIu64 "\n", stats->increfs);
fprintf(out, "Object decrefs: %" PRIu64 "\n", stats->decrefs);
fprintf(out, "Object materialize dict (on request): %" PRIu64 "\n", stats->dict_materialized_on_request);
fprintf(out, "Object materialize dict (new key): %" PRIu64 "\n", stats->dict_materialized_new_key);
fprintf(out, "Object materialize dict (too big): %" PRIu64 "\n", stats->dict_materialized_too_big);