| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. 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/serial/defNewGeneration.inline.hpp" |
| #include "gc/serial/serialHeap.hpp" |
| #include "gc/serial/tenuredGeneration.inline.hpp" |
| #include "gc/shared/genMemoryPools.hpp" |
| #include "services/memoryManager.hpp" |
| |
| SerialHeap* SerialHeap::heap() { |
| CollectedHeap* heap = Universe::heap(); |
| assert(heap != NULL, "Uninitialized access to SerialHeap::heap()"); |
| assert(heap->kind() == CollectedHeap::Serial, "Invalid name"); |
| return static_cast<SerialHeap*>(heap); |
| } |
| |
| SerialHeap::SerialHeap() : |
| GenCollectedHeap(Generation::DefNew, |
| Generation::MarkSweepCompact, |
| "Copy:MSC"), |
| _eden_pool(NULL), |
| _survivor_pool(NULL), |
| _old_pool(NULL) { |
| _young_manager = new GCMemoryManager("Copy", "end of minor GC"); |
| _old_manager = new GCMemoryManager("MarkSweepCompact", "end of major GC"); |
| } |
| |
| void SerialHeap::initialize_serviceability() { |
| |
| DefNewGeneration* young = young_gen(); |
| |
| // Add a memory pool for each space and young gen doesn't |
| // support low memory detection as it is expected to get filled up. |
| _eden_pool = new ContiguousSpacePool(young->eden(), |
| "Eden Space", |
| young->max_eden_size(), |
| false /* support_usage_threshold */); |
| _survivor_pool = new SurvivorContiguousSpacePool(young, |
| "Survivor Space", |
| young->max_survivor_size(), |
| false /* support_usage_threshold */); |
| TenuredGeneration* old = old_gen(); |
| _old_pool = new GenerationPool(old, "Tenured Gen", true); |
| |
| _young_manager->add_pool(_eden_pool); |
| _young_manager->add_pool(_survivor_pool); |
| young->set_gc_manager(_young_manager); |
| |
| _old_manager->add_pool(_eden_pool); |
| _old_manager->add_pool(_survivor_pool); |
| _old_manager->add_pool(_old_pool); |
| old->set_gc_manager(_old_manager); |
| |
| } |
| |
| GrowableArray<GCMemoryManager*> SerialHeap::memory_managers() { |
| GrowableArray<GCMemoryManager*> memory_managers(2); |
| memory_managers.append(_young_manager); |
| memory_managers.append(_old_manager); |
| return memory_managers; |
| } |
| |
| GrowableArray<MemoryPool*> SerialHeap::memory_pools() { |
| GrowableArray<MemoryPool*> memory_pools(3); |
| memory_pools.append(_eden_pool); |
| memory_pools.append(_survivor_pool); |
| memory_pools.append(_old_pool); |
| return memory_pools; |
| } |