diff options
Diffstat (limited to 'Python/gc.c')
| -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 f920743..1978c7c 100644 --- a/Python/gc.c +++ b/Python/gc.c @@ -1300,6 +1300,7 @@ 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; @@ -1428,6 +1429,7 @@ 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; @@ -1473,6 +1475,7 @@ 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; @@ -1795,6 +1798,24 @@ 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) { @@ -1810,6 +1831,10 @@ _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); } |