| /* |
| * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * 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/epsilon/epsilonMonitoringSupport.hpp" |
| #include "gc/epsilon/epsilonHeap.hpp" |
| #include "gc/shared/generationCounters.hpp" |
| #include "memory/allocation.hpp" |
| #include "memory/metaspaceCounters.hpp" |
| #include "memory/resourceArea.hpp" |
| #include "services/memoryService.hpp" |
| |
| class EpsilonSpaceCounters: public CHeapObj<mtGC> { |
| friend class VMStructs; |
| |
| private: |
| PerfVariable* _capacity; |
| PerfVariable* _used; |
| char* _name_space; |
| |
| public: |
| EpsilonSpaceCounters(const char* name, |
| int ordinal, |
| size_t max_size, |
| size_t initial_capacity, |
| GenerationCounters* gc) { |
| if (UsePerfData) { |
| EXCEPTION_MARK; |
| ResourceMark rm; |
| |
| const char* cns = PerfDataManager::name_space(gc->name_space(), "space", ordinal); |
| |
| _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC); |
| strcpy(_name_space, cns); |
| |
| const char* cname = PerfDataManager::counter_name(_name_space, "name"); |
| PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); |
| |
| cname = PerfDataManager::counter_name(_name_space, "maxCapacity"); |
| PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, (jlong)max_size, CHECK); |
| |
| cname = PerfDataManager::counter_name(_name_space, "capacity"); |
| _capacity = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, initial_capacity, CHECK); |
| |
| cname = PerfDataManager::counter_name(_name_space, "used"); |
| _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, (jlong) 0, CHECK); |
| |
| cname = PerfDataManager::counter_name(_name_space, "initCapacity"); |
| PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, initial_capacity, CHECK); |
| } |
| } |
| |
| ~EpsilonSpaceCounters() { |
| if (_name_space != NULL) { |
| FREE_C_HEAP_ARRAY(char, _name_space); |
| } |
| } |
| |
| inline void update_all(size_t capacity, size_t used) { |
| _capacity->set_value(capacity); |
| _used->set_value(used); |
| } |
| }; |
| |
| class EpsilonGenerationCounters : public GenerationCounters { |
| private: |
| EpsilonHeap* _heap; |
| public: |
| EpsilonGenerationCounters(EpsilonHeap* heap) : |
| GenerationCounters("Heap", 1, 1, 0, heap->max_capacity(), heap->capacity()), |
| _heap(heap) |
| {}; |
| |
| virtual void update_all() { |
| _current_size->set_value(_heap->capacity()); |
| } |
| }; |
| |
| EpsilonMonitoringSupport::EpsilonMonitoringSupport(EpsilonHeap* heap) { |
| _heap_counters = new EpsilonGenerationCounters(heap); |
| _space_counters = new EpsilonSpaceCounters("Heap", 0, heap->max_capacity(), 0, _heap_counters); |
| } |
| |
| void EpsilonMonitoringSupport::update_counters() { |
| MemoryService::track_memory_usage(); |
| |
| if (UsePerfData) { |
| EpsilonHeap* heap = EpsilonHeap::heap(); |
| size_t used = heap->used(); |
| size_t capacity = heap->capacity(); |
| _heap_counters->update_all(); |
| _space_counters->update_all(capacity, used); |
| MetaspaceCounters::update_performance_counters(); |
| CompressedClassSpaceCounters::update_performance_counters(); |
| } |
| } |
| |