8280450: Add task queue printing to STW Full GCs

Reviewed-by: ayang, sjohanss
openjdk · Jan 31, 2022 · 993a248 · 993a248 · openjdk-notifier · Jan 31, 2022
1 parent dcc666d
commit 993a248
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diff --git a/src/hotspot/share/gc/g1/g1FullCollector.cpp b/src/hotspot/share/gc/g1/g1FullCollector.cpp
@@ -294,6 +294,10 @@ void G1FullCollector::phase1_mark_live_objects() {
   }
 
   scope()->tracer()->report_object_count_after_gc(&_is_alive);
+#if TASKQUEUE_STATS
+  oop_queue_set()->print_and_reset_taskqueue_stats("Oop Queue");
+  array_queue_set()->print_and_reset_taskqueue_stats("ObjArrayOop Queue");
+#endif
 }
 
 void G1FullCollector::phase2_prepare_compaction() {

diff --git a/src/hotspot/share/gc/parallel/psParallelCompact.cpp b/src/hotspot/share/gc/parallel/psParallelCompact.cpp
@@ -2116,6 +2116,10 @@ void PSParallelCompact::marking_phase(ParallelOldTracer *gc_tracer) {
   }
 
   _gc_tracer.report_object_count_after_gc(is_alive_closure());
+#if TASKQUEUE_STATS
+  ParCompactionManager::oop_task_queues()->print_and_reset_taskqueue_stats("Oop Queue");
+  ParCompactionManager::_objarray_task_queues->print_and_reset_taskqueue_stats("ObjArrayOop Queue");
+#endif
 }
 
 class PSAdjustTask final : public WorkerTask {