1 /*
2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
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 *
70
71 hrmFieldOffset = type.getField("_hrm").getOffset();
72 summaryBytesUsedField = type.getCIntegerField("_summary_bytes_used");
73 g1mmField = type.getAddressField("_g1mm");
74 oldSetFieldOffset = type.getField("_old_set").getOffset();
75 humongousSetFieldOffset = type.getField("_humongous_set").getOffset();
76 }
77
78 public long capacity() {
79 return hrm().capacity();
80 }
81
82 public long used() {
83 return summaryBytesUsedField.getValue(addr);
84 }
85
86 public long n_regions() {
87 return hrm().length();
88 }
89
90 private HeapRegionManager hrm() {
91 Address hrmAddr = addr.addOffsetTo(hrmFieldOffset);
92 return (HeapRegionManager) VMObjectFactory.newObject(HeapRegionManager.class,
93 hrmAddr);
94 }
95
96 public G1MonitoringSupport g1mm() {
97 Address g1mmAddr = g1mmField.getValue(addr);
98 return (G1MonitoringSupport) VMObjectFactory.newObject(G1MonitoringSupport.class, g1mmAddr);
99 }
100
101 public HeapRegionSetBase oldSet() {
102 Address oldSetAddr = addr.addOffsetTo(oldSetFieldOffset);
103 return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
104 oldSetAddr);
105 }
106
107 public HeapRegionSetBase humongousSet() {
108 Address humongousSetAddr = addr.addOffsetTo(humongousSetFieldOffset);
109 return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
110 humongousSetAddr);
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1 /*
2 * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
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 *
70
71 hrmFieldOffset = type.getField("_hrm").getOffset();
72 summaryBytesUsedField = type.getCIntegerField("_summary_bytes_used");
73 g1mmField = type.getAddressField("_g1mm");
74 oldSetFieldOffset = type.getField("_old_set").getOffset();
75 humongousSetFieldOffset = type.getField("_humongous_set").getOffset();
76 }
77
78 public long capacity() {
79 return hrm().capacity();
80 }
81
82 public long used() {
83 return summaryBytesUsedField.getValue(addr);
84 }
85
86 public long n_regions() {
87 return hrm().length();
88 }
89
90 public HeapRegionManager hrm() {
91 Address hrmAddr = addr.addOffsetTo(hrmFieldOffset);
92 return (HeapRegionManager) VMObjectFactory.newObject(HeapRegionManager.class,
93 hrmAddr);
94 }
95
96 public G1MonitoringSupport g1mm() {
97 Address g1mmAddr = g1mmField.getValue(addr);
98 return (G1MonitoringSupport) VMObjectFactory.newObject(G1MonitoringSupport.class, g1mmAddr);
99 }
100
101 public HeapRegionSetBase oldSet() {
102 Address oldSetAddr = addr.addOffsetTo(oldSetFieldOffset);
103 return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
104 oldSetAddr);
105 }
106
107 public HeapRegionSetBase humongousSet() {
108 Address humongousSetAddr = addr.addOffsetTo(humongousSetFieldOffset);
109 return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
110 humongousSetAddr);
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