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/serial/serialHeap.hpp"
27
28 SerialHeap::SerialHeap(GenCollectorPolicy* policy) : GenCollectedHeap(policy) {}
29
30 void SerialHeap::check_gen_kinds() {
31 assert(young_gen()->kind() == Generation::DefNew,
32 "Wrong youngest generation type");
33 assert(old_gen()->kind() == Generation::MarkSweepCompact,
34 "Wrong generation kind");
35 }
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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/serial/defNewGeneration.hpp"
27 #include "gc/serial/serialHeap.hpp"
28 #include "gc/shared/genMemoryPools.hpp"
29 #include "services/memoryManager.hpp"
30
31 SerialHeap::SerialHeap(GenCollectorPolicy* policy) :
32 GenCollectedHeap(policy), _eden_pool(NULL), _survivor_pool(NULL), _old_pool(NULL) {
33 _young_manager = new GCMemoryManager("Copy", "end of minor GC");
34 _old_manager = new GCMemoryManager("MarkSweepCompact", "end of major GC");
35 }
36
37 void SerialHeap::initialize_serviceability() {
38
39 DefNewGeneration* young = (DefNewGeneration*) young_gen();
40
41 // Add a memory pool for each space and young gen doesn't
42 // support low memory detection as it is expected to get filled up.
43 _eden_pool = new ContiguousSpacePool(young->eden(),
44 "Eden Space",
45 young->max_eden_size(),
46 false /* support_usage_threshold */);
47 _survivor_pool = new SurvivorContiguousSpacePool(young,
48 "Survivor Space",
49 young->max_survivor_size(),
50 false /* support_usage_threshold */);
51 Generation* old = old_gen();
52 _old_pool = new GenerationPool(old, "Tenured Gen", true);
53
54 _young_manager->add_pool(_eden_pool);
55 _young_manager->add_pool(_survivor_pool);
56 young->set_gc_manager(_young_manager);
57
58 _old_manager->add_pool(_eden_pool);
59 _old_manager->add_pool(_survivor_pool);
60 _old_manager->add_pool(_old_pool);
61 old->set_gc_manager(_old_manager);
62
63 }
64
65 void SerialHeap::check_gen_kinds() {
66 assert(young_gen()->kind() == Generation::DefNew,
67 "Wrong youngest generation type");
68 assert(old_gen()->kind() == Generation::MarkSweepCompact,
69 "Wrong generation kind");
70 }
71
72 GrowableArray<GCMemoryManager*> SerialHeap::memory_managers() {
73 GrowableArray<GCMemoryManager*> memory_managers(2);
74 memory_managers.append(_young_manager);
75 memory_managers.append(_old_manager);
76 return memory_managers;
77 }
78
79 GrowableArray<MemoryPool*> SerialHeap::memory_pools() {
80 GrowableArray<MemoryPool*> memory_pools(3);
81 memory_pools.append(_eden_pool);
82 memory_pools.append(_survivor_pool);
83 memory_pools.append(_old_pool);
84 return memory_pools;
85 }
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