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annotate agent/src/share/classes/sun/jvm/hotspot/memory/AFLBinaryTreeDictionary.java @ 7950:6cf2530f7fd3

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8005278: Serviceability Agent: jmap -heap and jstack -m fail Summary: BinaryTreeDictionary is typedef'ed as AFLBinaryTreeDictionary in vmStructs and in SA we still use old name for that. FreeList now is a template based class which is not reflect in SA type library. When SA does calculation of heap for CMS, the former will cause failure to retrieve BinaryTreeDictionary sine the rename. The later will fail wherever it is used in SA. Reviewed-by: dholmes, sla, coleenp Contributed-by: yunda.mly@taobao.com
author minqi
date Thu, 24 Jan 2013 23:30:45 -0800
parents agent/src/share/classes/sun/jvm/hotspot/memory/BinaryTreeDictionary.java@c18cbe5936b8
children
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1 /*
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2 * @(#)BinaryTreeDictionary.java
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3 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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25
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26 package sun.jvm.hotspot.memory;
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28 import java.util.*;
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29 import sun.jvm.hotspot.debugger.*;
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30 import sun.jvm.hotspot.types.*;
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31 import sun.jvm.hotspot.runtime.*;
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32
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33 public class AFLBinaryTreeDictionary extends VMObject {
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34 static {
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35 VM.registerVMInitializedObserver(new Observer() {
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36 public void update(Observable o, Object data) {
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37 initialize(VM.getVM().getTypeDataBase());
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38 }
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39 });
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40 }
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41
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42 private static synchronized void initialize(TypeDataBase db) {
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43 Type type = db.lookupType("AFLBinaryTreeDictionary");
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44 totalSizeField = type.getCIntegerField("_total_size");
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45 }
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46
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47 // Fields
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48 private static CIntegerField totalSizeField;
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49
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50 // Accessors
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51 public long size() {
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52 return totalSizeField.getValue(addr);
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53 }
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54
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55 // Constructor
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56 public AFLBinaryTreeDictionary(Address addr) {
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57 super(addr);
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58 }
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59 }