| /* |
| * Copyright (c) 2015, 2018, Red Hat, Inc. All rights reserved. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "gc/shared/collectorCounters.hpp" |
| #include "gc/shared/generationCounters.hpp" |
| #include "gc/shared/hSpaceCounters.hpp" |
| #include "gc/shenandoah/shenandoahMonitoringSupport.hpp" |
| #include "gc/shenandoah/shenandoahHeap.hpp" |
| #include "gc/shenandoah/shenandoahHeapRegionCounters.hpp" |
| #include "memory/metaspaceCounters.hpp" |
| #include "services/memoryService.hpp" |
| |
| class ShenandoahYoungGenerationCounters : public GenerationCounters { |
| public: |
| ShenandoahYoungGenerationCounters() : |
| GenerationCounters("Young", 0, 0, 0, (size_t)0, (size_t)0) {}; |
| |
| virtual void update_all() { |
| // no update |
| } |
| }; |
| |
| class ShenandoahGenerationCounters : public GenerationCounters { |
| private: |
| ShenandoahHeap* _heap; |
| public: |
| ShenandoahGenerationCounters(ShenandoahHeap* heap) : |
| GenerationCounters("Heap", 1, 1, heap->initial_capacity(), heap->max_capacity(), heap->capacity()), |
| _heap(heap) |
| {}; |
| |
| virtual void update_all() { |
| _current_size->set_value(_heap->capacity()); |
| } |
| }; |
| |
| ShenandoahMonitoringSupport::ShenandoahMonitoringSupport(ShenandoahHeap* heap) : |
| _partial_counters(NULL), |
| _full_counters(NULL) |
| { |
| // Collection counters do not fit Shenandoah very well. |
| // We record partial cycles as "young", and full cycles (including full STW GC) as "old". |
| _partial_counters = new CollectorCounters("Shenandoah partial", 0); |
| _full_counters = new CollectorCounters("Shenandoah full", 1); |
| |
| // We report young gen as unused. |
| _young_counters = new ShenandoahYoungGenerationCounters(); |
| _heap_counters = new ShenandoahGenerationCounters(heap); |
| _space_counters = new HSpaceCounters(_heap_counters->name_space(), "Heap", 0, heap->max_capacity(), heap->initial_capacity()); |
| |
| _heap_region_counters = new ShenandoahHeapRegionCounters(); |
| } |
| |
| CollectorCounters* ShenandoahMonitoringSupport::stw_collection_counters() { |
| return _full_counters; |
| } |
| |
| CollectorCounters* ShenandoahMonitoringSupport::full_stw_collection_counters() { |
| return _full_counters; |
| } |
| |
| CollectorCounters* ShenandoahMonitoringSupport::concurrent_collection_counters() { |
| return _full_counters; |
| } |
| |
| CollectorCounters* ShenandoahMonitoringSupport::partial_collection_counters() { |
| return _partial_counters; |
| } |
| |
| void ShenandoahMonitoringSupport::update_counters() { |
| MemoryService::track_memory_usage(); |
| |
| if (UsePerfData) { |
| ShenandoahHeap* heap = ShenandoahHeap::heap(); |
| size_t used = heap->used(); |
| size_t capacity = heap->max_capacity(); |
| _heap_counters->update_all(); |
| _space_counters->update_all(capacity, used); |
| _heap_region_counters->update(); |
| |
| MetaspaceCounters::update_performance_counters(); |
| CompressedClassSpaceCounters::update_performance_counters(); |
| } |
| } |