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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2024-09-02 11:10:27 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-02 11:10:27 (GMT) |
| commit | b1372e2f1afe6bd89ffaebe7383418acd8171408 (patch) | |
| tree | dfe8753b65af6aebaf43fa893a48637fdce49adc /Python | |
| parent | d9e4c4b61c77fb96ba907871bc644342d97defa1 (diff) | |
| download | cpython-b1372e2f1afe6bd89ffaebe7383418acd8171408.zip cpython-b1372e2f1afe6bd89ffaebe7383418acd8171408.tar.gz cpython-b1372e2f1afe6bd89ffaebe7383418acd8171408.tar.bz2 | |
[3.13] GH-122298: Restore printing of GC stats (GH-123261) (#123268)
GH-122298: Restore printing of GC stats (GH-123261)
(cherry picked from commit 7cd3aa42f0cf72bf9a214e2630850879fe078377)
Co-authored-by: Mark Shannon <mark@hotpy.org>
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/gc.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Python/gc.c b/Python/gc.c index aa8b216..de24e48 100644 --- a/Python/gc.c +++ b/Python/gc.c @@ -1289,6 +1289,7 @@ gc_collect_young(PyThreadState *tstate, GCState *gcstate = &tstate->interp->gc; PyGC_Head *young = &gcstate->young.head; PyGC_Head *visited = &gcstate->old[gcstate->visited_space].head; + GC_STAT_ADD(0, collections, 1); #ifdef Py_STATS { Py_ssize_t count = 0; @@ -1417,6 +1418,7 @@ completed_cycle(GCState *gcstate) static void gc_collect_increment(PyThreadState *tstate, struct gc_collection_stats *stats) { + GC_STAT_ADD(1, collections, 1); GCState *gcstate = &tstate->interp->gc; PyGC_Head *not_visited = &gcstate->old[gcstate->visited_space^1].head; PyGC_Head *visited = &gcstate->old[gcstate->visited_space].head; @@ -1462,6 +1464,7 @@ static void gc_collect_full(PyThreadState *tstate, struct gc_collection_stats *stats) { + GC_STAT_ADD(2, collections, 1); GCState *gcstate = &tstate->interp->gc; validate_old(gcstate); PyGC_Head *young = &gcstate->young.head; @@ -1784,6 +1787,24 @@ PyGC_IsEnabled(void) return gcstate->enabled; } +// Show stats for objects in each generations +static void +show_stats_each_generations(GCState *gcstate) +{ + char buf[100]; + size_t pos = 0; + + for (int i = 0; i < NUM_GENERATIONS && pos < sizeof(buf); i++) { + pos += PyOS_snprintf(buf+pos, sizeof(buf)-pos, + " %zd", + gc_list_size(GEN_HEAD(gcstate, i))); + } + PySys_FormatStderr( + "gc: objects in each generation:%s\n" + "gc: objects in permanent generation: %zd\n", + buf, gc_list_size(&gcstate->permanent_generation.head)); +} + Py_ssize_t _PyGC_Collect(PyThreadState *tstate, int generation, _PyGC_Reason reason) { @@ -1799,6 +1820,10 @@ _PyGC_Collect(PyThreadState *tstate, int generation, _PyGC_Reason reason) if (reason != _Py_GC_REASON_SHUTDOWN) { invoke_gc_callback(gcstate, "start", generation, &stats); } + if (gcstate->debug & _PyGC_DEBUG_STATS) { + PySys_WriteStderr("gc: collecting generation %d...\n", generation); + show_stats_each_generations(gcstate); + } if (PyDTrace_GC_START_ENABLED()) { PyDTrace_GC_START(generation); } |