93 lines
3.5 KiB
C++
93 lines
3.5 KiB
C++
/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "gc/serial/defNewGeneration.inline.hpp"
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#include "gc/serial/serialHeap.hpp"
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#include "gc/serial/tenuredGeneration.inline.hpp"
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#include "gc/shared/genMemoryPools.hpp"
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#include "services/memoryManager.hpp"
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SerialHeap* SerialHeap::heap() {
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CollectedHeap* heap = Universe::heap();
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assert(heap != NULL, "Uninitialized access to SerialHeap::heap()");
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assert(heap->kind() == CollectedHeap::Serial, "Invalid name");
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return static_cast<SerialHeap*>(heap);
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}
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SerialHeap::SerialHeap(GenCollectorPolicy* policy) :
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GenCollectedHeap(policy,
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Generation::DefNew,
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Generation::MarkSweepCompact,
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"Copy:MSC"),
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_eden_pool(NULL),
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_survivor_pool(NULL),
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_old_pool(NULL) {
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_young_manager = new GCMemoryManager("Copy", "end of minor GC");
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_old_manager = new GCMemoryManager("MarkSweepCompact", "end of major GC");
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}
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void SerialHeap::initialize_serviceability() {
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DefNewGeneration* young = young_gen();
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// Add a memory pool for each space and young gen doesn't
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// support low memory detection as it is expected to get filled up.
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_eden_pool = new ContiguousSpacePool(young->eden(),
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"Eden Space",
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young->max_eden_size(),
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false /* support_usage_threshold */);
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_survivor_pool = new SurvivorContiguousSpacePool(young,
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"Survivor Space",
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young->max_survivor_size(),
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false /* support_usage_threshold */);
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TenuredGeneration* old = old_gen();
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_old_pool = new GenerationPool(old, "Tenured Gen", true);
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_young_manager->add_pool(_eden_pool);
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_young_manager->add_pool(_survivor_pool);
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young->set_gc_manager(_young_manager);
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_old_manager->add_pool(_eden_pool);
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_old_manager->add_pool(_survivor_pool);
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_old_manager->add_pool(_old_pool);
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old->set_gc_manager(_old_manager);
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}
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GrowableArray<GCMemoryManager*> SerialHeap::memory_managers() {
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GrowableArray<GCMemoryManager*> memory_managers(2);
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memory_managers.append(_young_manager);
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memory_managers.append(_old_manager);
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return memory_managers;
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}
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GrowableArray<MemoryPool*> SerialHeap::memory_pools() {
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GrowableArray<MemoryPool*> memory_pools(3);
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memory_pools.append(_eden_pool);
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memory_pools.append(_survivor_pool);
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memory_pools.append(_old_pool);
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return memory_pools;
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}
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