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GH-148726: Add heap_size to generational GC (#149195)

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Sergey Miryanov 2026-05-05 02:14:45 +05:00 • committed by GitHub
parent de66149f66
commit e89568f0cb
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9 changed files with 36 additions and 10 deletions
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Python/gc.c
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@ -1405,13 +1405,13 @@ add_stats(GCState *gcstate, int gen, struct gc_generation_stats *stats)
memcpy(cur_stats, prev_stats, sizeof(struct gc_generation_stats));
cur_stats->ts_start = stats->ts_start;
cur_stats->collections += 1;
cur_stats->collected += stats->collected;
cur_stats->uncollectable += stats->uncollectable;
cur_stats->candidates += stats->candidates;
cur_stats->duration += stats->duration;
cur_stats->heap_size = stats->heap_size;
/* Publish ts_stop last so remote readers do not select a partially
updated stats record as the latest collection. */
cur_stats->ts_stop = stats->ts_stop;
@ -1471,6 +1471,7 @@ gc_collect_main(PyThreadState *tstate, int generation, _PyGC_Reason reason)
invoke_gc_callback(tstate, "start", generation, &stats);
}
stats.heap_size = gcstate->heap_size;
// ignore error: don't interrupt the GC if reading the clock fails
(void)PyTime_PerfCounterRaw(&stats.ts_start);
if (gcstate->debug & _PyGC_DEBUG_STATS) {
@ -2097,6 +2098,8 @@ PyObject_GC_Del(void *op)
PyGC_Head *g = AS_GC(op);
if (_PyObject_GC_IS_TRACKED(op)) {
gc_list_remove(g);
GCState *gcstate = get_gc_state();
gcstate->heap_size--;
#ifdef Py_DEBUG
PyObject *exc = PyErr_GetRaisedException();
if (PyErr_WarnExplicitFormat(PyExc_ResourceWarning, "gc", 0,