--- /dev/null 2017-11-08 15:25:57.713133075 +0100 +++ new/src/hotspot/share/gc/serial/serialGCServicabilitySupport.cpp 2017-11-20 16:28:48.321147609 +0100 @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates. + * 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.hpp" +#include "gc/serial/serialGCServicabilitySupport.hpp" +#include "gc/shared/genCollectedHeap.hpp" +#include "services/memoryManager.hpp" +#include "services/memoryPool.hpp" + +class CopyMemoryManager : public GCMemoryManager { +private: +public: + CopyMemoryManager() : GCMemoryManager() {} + + const char* name() { return "Copy"; } +}; + +class MSCMemoryManager : public GCMemoryManager { +private: +public: + MSCMemoryManager() : GCMemoryManager() {} + + const char* name() { return "MarkSweepCompact"; } +}; + +GCMemoryManager* SerialGCServicabilitySupport::create_minor_gc_manager() { + return new CopyMemoryManager(); +} + +GCMemoryManager* SerialGCServicabilitySupport::create_major_gc_manager() { + return new MSCMemoryManager(); +} + +void SerialGCServicabilitySupport::add_memory_pools(GrowableArray* pools_list, + GCMemoryManager* minor_mgr, + GCMemoryManager* major_mgr) { + GenCollectedHeap* heap = GenCollectedHeap::heap(); + DefNewGeneration* young_gen = (DefNewGeneration*) heap->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. + MemoryPool* eden = new ContiguousSpacePool(young_gen->eden(), + "Eden Space", + MemoryPool::Heap, + young_gen->max_eden_size(), + false /* support_usage_threshold */); + MemoryPool* survivor = new SurvivorContiguousSpacePool(young_gen, + "Survivor Space", + MemoryPool::Heap, + young_gen->max_survivor_size(), + false /* support_usage_threshold */); + GenerationPool* old = new GenerationPool(heap->old_gen(), "Tenured Gen", MemoryPool::Heap, true); + + pools_list->append(eden); + pools_list->append(survivor); + pools_list->append(old); + + minor_mgr->add_pool(eden); + minor_mgr->add_pool(survivor); + + major_mgr->add_pool(eden); + major_mgr->add_pool(survivor); + major_mgr->add_pool(old); +}