1 /*
   2  * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/parallel/parallelGCServicabilitySupport.hpp"
  27 #include "gc/parallel/parallelScavengeHeap.hpp"
  28 #include "gc/parallel/psMemoryPool.hpp"
  29 
  30 #include "services/memoryManager.hpp"
  31 
  32 class PSScavengeMemoryManager : public GCMemoryManager {
  33 private:
  34 public:
  35   PSScavengeMemoryManager() : GCMemoryManager() {}
  36 
  37   const char* name() { return "PS Scavenge"; }
  38 };
  39 
  40 class PSMarkSweepMemoryManager : public GCMemoryManager {
  41 private:
  42 public:
  43   PSMarkSweepMemoryManager() : GCMemoryManager() {}
  44 
  45   const char* name() { return "PS MarkSweep"; }
  46 };
  47 
  48 GCMemoryManager* ParallelGCServicabilitySupport::create_minor_gc_manager() {
  49   return new PSScavengeMemoryManager();
  50 }
  51 
  52 GCMemoryManager* ParallelGCServicabilitySupport::create_major_gc_manager() {
  53   return new PSMarkSweepMemoryManager();
  54 }
  55 
  56 void ParallelGCServicabilitySupport::add_memory_pools(GrowableArray<MemoryPool*>* pools_list,
  57                                                       GCMemoryManager* minor_mgr,
  58                                                       GCMemoryManager* major_mgr) {
  59   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
  60   PSYoungGen* young_gen = heap->young_gen();
  61   EdenMutableSpacePool* eden = new EdenMutableSpacePool(young_gen,
  62                                                         young_gen->eden_space(),
  63                                                         "PS Eden Space",
  64                                                         MemoryPool::Heap,
  65                                                         false /* support_usage_threshold */);
  66 
  67   SurvivorMutableSpacePool* survivor = new SurvivorMutableSpacePool(young_gen,
  68                                                                     "PS Survivor Space",
  69                                                                     MemoryPool::Heap,
  70                                                                     false /* support_usage_threshold */);
  71 
  72   PSGenerationPool* old_gen_pool = new PSGenerationPool(heap->old_gen(),
  73                                                        "PS Old Gen",
  74                                                        MemoryPool::Heap,
  75                                                        true /* support_usage_threshold */);
  76 
  77   major_mgr->add_pool(eden);
  78   major_mgr->add_pool(survivor);
  79   major_mgr->add_pool(old_gen_pool);
  80 
  81   minor_mgr->add_pool(eden);
  82   minor_mgr->add_pool(survivor);
  83 
  84   pools_list->append(eden);
  85   pools_list->append(survivor);
  86   pools_list->append(old_gen_pool);
  87 
  88 }