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src/share/vm/gc/g1/g1CollectedHeap.cpp

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rev 8789 : imported patch 8073052-Rename-and-clean-up-the-allocation-manager-hierarchy-in-g1Allocator
rev 8793 : 8133043: Clean up code related to termination stats printing
Summary: Reformat termination stats related code to make it look more similar to existing code.
Reviewed-by:
rev 8796 : imported patch 8133047-rename-g1parscanthreadstate-queue-num-to-worker-id
rev 8797 : [mq]: jesper-suggestion


4268 
4269 void G1CollectedHeap::remove_self_forwarding_pointers() {
4270   double remove_self_forwards_start = os::elapsedTime();
4271 
4272   G1ParRemoveSelfForwardPtrsTask rsfp_task;
4273   workers()->run_task(&rsfp_task);
4274 
4275   // Now restore saved marks, if any.
4276   for (uint i = 0; i < ParallelGCThreads; i++) {
4277     OopAndMarkOopStack& cur = _preserved_objs[i];
4278     while (!cur.is_empty()) {
4279       OopAndMarkOop elem = cur.pop();
4280       elem.set_mark();
4281     }
4282     cur.clear(true);
4283   }
4284 
4285   g1_policy()->phase_times()->record_evac_fail_remove_self_forwards((os::elapsedTime() - remove_self_forwards_start) * 1000.0);
4286 }
4287 
4288 void G1CollectedHeap::preserve_mark_during_evac_failure(uint queue_num, oop obj, markOop m) {
4289   if (!_evacuation_failed) {
4290     _evacuation_failed = true;
4291   }
4292 
4293   _evacuation_failed_info_array[queue_num].register_copy_failure(obj->size());
4294 
4295   // We want to call the "for_promotion_failure" version only in the
4296   // case of a promotion failure.
4297   if (m->must_be_preserved_for_promotion_failure(obj)) {
4298     OopAndMarkOop elem(obj, m);
4299     _preserved_objs[queue_num].push(elem);
4300   }
4301 }
4302 
4303 void G1ParCopyHelper::mark_object(oop obj) {
4304   assert(!_g1->heap_region_containing(obj)->in_collection_set(), "should not mark objects in the CSet");
4305 
4306   // We know that the object is not moving so it's safe to read its size.
4307   _cm->grayRoot(obj, (size_t) obj->size(), _worker_id);
4308 }
4309 
4310 void G1ParCopyHelper::mark_forwarded_object(oop from_obj, oop to_obj) {
4311   assert(from_obj->is_forwarded(), "from obj should be forwarded");
4312   assert(from_obj->forwardee() == to_obj, "to obj should be the forwardee");
4313   assert(from_obj != to_obj, "should not be self-forwarded");
4314 
4315   assert(_g1->heap_region_containing(from_obj)->in_collection_set(), "from obj should be in the CSet");
4316   assert(!_g1->heap_region_containing(to_obj)->in_collection_set(), "should not mark objects in the CSet");
4317 
4318   // The object might be in the process of being copied by another
4319   // worker so we cannot trust that its to-space image is




4268 
4269 void G1CollectedHeap::remove_self_forwarding_pointers() {
4270   double remove_self_forwards_start = os::elapsedTime();
4271 
4272   G1ParRemoveSelfForwardPtrsTask rsfp_task;
4273   workers()->run_task(&rsfp_task);
4274 
4275   // Now restore saved marks, if any.
4276   for (uint i = 0; i < ParallelGCThreads; i++) {
4277     OopAndMarkOopStack& cur = _preserved_objs[i];
4278     while (!cur.is_empty()) {
4279       OopAndMarkOop elem = cur.pop();
4280       elem.set_mark();
4281     }
4282     cur.clear(true);
4283   }
4284 
4285   g1_policy()->phase_times()->record_evac_fail_remove_self_forwards((os::elapsedTime() - remove_self_forwards_start) * 1000.0);
4286 }
4287 
4288 void G1CollectedHeap::preserve_mark_during_evac_failure(uint worker_id, oop obj, markOop m) {
4289   if (!_evacuation_failed) {
4290     _evacuation_failed = true;
4291   }
4292 
4293   _evacuation_failed_info_array[worker_id].register_copy_failure(obj->size());
4294 
4295   // We want to call the "for_promotion_failure" version only in the
4296   // case of a promotion failure.
4297   if (m->must_be_preserved_for_promotion_failure(obj)) {
4298     OopAndMarkOop elem(obj, m);
4299     _preserved_objs[worker_id].push(elem);
4300   }
4301 }
4302 
4303 void G1ParCopyHelper::mark_object(oop obj) {
4304   assert(!_g1->heap_region_containing(obj)->in_collection_set(), "should not mark objects in the CSet");
4305 
4306   // We know that the object is not moving so it's safe to read its size.
4307   _cm->grayRoot(obj, (size_t) obj->size(), _worker_id);
4308 }
4309 
4310 void G1ParCopyHelper::mark_forwarded_object(oop from_obj, oop to_obj) {
4311   assert(from_obj->is_forwarded(), "from obj should be forwarded");
4312   assert(from_obj->forwardee() == to_obj, "to obj should be the forwardee");
4313   assert(from_obj != to_obj, "should not be self-forwarded");
4314 
4315   assert(_g1->heap_region_containing(from_obj)->in_collection_set(), "from obj should be in the CSet");
4316   assert(!_g1->heap_region_containing(to_obj)->in_collection_set(), "should not mark objects in the CSet");
4317 
4318   // The object might be in the process of being copied by another
4319   // worker so we cannot trust that its to-space image is
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