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src/hotspot/share/memory/heapInspection.cpp

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*** 573,589 **** uintx HeapInspection::populate_table(KlassInfoTable* cit, BoolObjectClosure *filter, uint parallel_thread_num) { // Try parallel first. if (parallel_thread_num > 1) { ResourceMark rm; ! ParallelObjectIterator* poi = Universe::heap()->parallel_object_iterator(parallel_thread_num); ! if (poi != NULL) { ! ParHeapInspectTask task(poi, cit, filter); ! Universe::heap()->run_task(&task); ! delete poi; ! if (task.success()) { ! return task.missed_count(); } } } ResourceMark rm; --- 573,602 ---- uintx HeapInspection::populate_table(KlassInfoTable* cit, BoolObjectClosure *filter, uint parallel_thread_num) { // Try parallel first. if (parallel_thread_num > 1) { ResourceMark rm; ! ! WorkGang* gang = Universe::heap()->get_safepoint_workers(); ! if (gang != NULL) { ! // The GC provided a WorkGang to be used during a safepoint. ! ! // Can't run with more threads than provided by the WorkGang. ! WithUpdatedActiveWorkers update_and_restore(gang, parallel_thread_num); ! ! ParallelObjectIterator* poi = Universe::heap()->parallel_object_iterator(gang->active_workers()); ! if (poi != NULL) { ! // The GC supports parallel object iteration. ! ! ParHeapInspectTask task(poi, cit, filter); ! // Run task with the active workers. ! gang->run_task(&task); ! ! delete poi; ! if (task.success()) { ! return task.missed_count(); ! } } } } ResourceMark rm;
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