Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/FindInHeapPanel.java @ 113:ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
| author | coleenp |
|---|---|
| date | Sun, 13 Apr 2008 17:43:42 -0400 |
| parents | a61af66fc99e |
| children | d1605aabd0a1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 2002-2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.ui; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import java.io.*; | |
| 29 import java.awt.*; | |
| 30 import java.awt.event.*; | |
| 31 import javax.swing.*; | |
| 32 import javax.swing.text.*; | |
| 33 | |
| 34 import sun.jvm.hotspot.debugger.*; | |
| 35 import sun.jvm.hotspot.oops.*; | |
| 36 import sun.jvm.hotspot.runtime.*; | |
| 37 import sun.jvm.hotspot.utilities.*; | |
| 38 | |
| 39 /** Finds a given (Address) value in the heap. Only intended for use | |
| 40 in a debugging system. */ | |
| 41 | |
| 42 public class FindInHeapPanel extends JPanel { | |
| 43 private RawHeapVisitor iterator; | |
| 44 private long addressSize; | |
| 45 private long usedSize; | |
| 46 private long iterated; | |
| 47 private Address value; | |
| 48 private ProgressBarPanel progressBar; | |
| 49 private HistoryComboBox addressField; | |
| 50 private JButton findButton; | |
| 51 private JTextArea textArea; | |
| 52 private ArrayList updates; | |
| 53 private double lastFrac; | |
| 54 | |
| 55 static final double minUpdateFraction = 0.05; | |
| 56 | |
| 57 public FindInHeapPanel() { | |
| 58 super(); | |
| 59 | |
| 60 setLayout(new BorderLayout()); | |
| 61 | |
| 62 JPanel topPanel = new JPanel(); | |
| 63 topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.Y_AXIS)); | |
| 64 | |
| 65 JPanel panel = new JPanel(); | |
| 66 panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS)); | |
| 67 panel.add(new JLabel("Address to search for:")); | |
| 68 | |
| 69 addressField = new HistoryComboBox(); | |
| 70 panel.add(addressField); | |
| 71 | |
| 72 addressSize = VM.getVM().getAddressSize(); | |
| 73 | |
| 74 iterator = new RawHeapVisitor() { | |
| 75 boolean error = false; | |
| 76 | |
| 77 public void prologue(long used) { | |
| 78 usedSize = used; | |
| 79 iterated = 0; | |
| 80 lastFrac = 0; | |
| 81 error = false; | |
| 82 updates = new ArrayList(); | |
| 83 } | |
| 84 | |
| 85 public void visitAddress(Address addr) { | |
| 86 if (error) return; | |
| 87 | |
| 88 Address val = addr.getAddressAt(0); | |
| 89 if (AddressOps.equal(val, value)) { | |
| 90 error = reportResult(addr); | |
| 91 } | |
| 92 iterated += addressSize; | |
| 93 updateProgressBar(); | |
| 94 } | |
|
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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95 public void visitCompOopAddress(Address addr) { |
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96 if (error) return; |
| 0 | 97 |
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98 Address val = addr.getCompOopAddressAt(0); |
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99 if (AddressOps.equal(val, value)) { |
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100 error = reportResult(addr); |
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101 } |
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102 iterated += addressSize; |
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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103 updateProgressBar(); |
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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104 |
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105 } |
| 0 | 106 public void epilogue() { |
| 107 iterated = 0; | |
| 108 updateProgressBar(); | |
| 109 findButton.setEnabled(true); | |
| 110 } | |
| 111 }; | |
| 112 | |
| 113 findButton = new JButton("Find"); | |
| 114 ActionListener listener = new ActionListener() { | |
| 115 public void actionPerformed(ActionEvent e) { | |
| 116 clearResultWindow(); | |
| 117 // Parse text | |
| 118 try { | |
| 119 Address val = VM.getVM().getDebugger().parseAddress(addressField.getText()); | |
| 120 value = val; | |
| 121 | |
| 122 findButton.setEnabled(false); | |
| 123 | |
| 124 java.lang.Thread t = new java.lang.Thread(new Runnable() { | |
| 125 public void run() { | |
| 126 try { | |
| 127 VM.getVM().getObjectHeap().iterateRaw(iterator); | |
| 128 } finally { | |
| 129 SwingUtilities.invokeLater(new Runnable() { | |
| 130 public void run() { | |
| 131 findButton.setEnabled(true); | |
| 132 } | |
| 133 }); | |
| 134 } | |
| 135 } | |
| 136 }); | |
| 137 t.start(); | |
| 138 } catch (Exception ex) { | |
| 139 textArea.setText("Error parsing address"); | |
| 140 } | |
| 141 } | |
| 142 }; | |
| 143 panel.add(findButton); | |
| 144 findButton.addActionListener(listener); | |
| 145 addressField.addActionListener(listener); | |
| 146 topPanel.add(panel); | |
| 147 | |
| 148 progressBar = new ProgressBarPanel(ProgressBarPanel.HORIZONTAL, "Search progress:"); | |
| 149 topPanel.add(progressBar); | |
| 150 | |
| 151 add(topPanel, BorderLayout.NORTH); | |
| 152 | |
| 153 textArea = new JTextArea(); | |
| 154 JScrollPane scroller = new JScrollPane(textArea); | |
| 155 add(scroller, BorderLayout.CENTER); | |
| 156 } | |
| 157 | |
| 158 private boolean pendingUpdate = false; | |
| 159 | |
| 160 private boolean reportResult(final Address addr) { | |
| 161 synchronized (this) { | |
| 162 try { | |
| 163 updates.add("found at " + addr + "\n"); | |
| 164 if (!pendingUpdate) { | |
| 165 pendingUpdate = true; | |
| 166 SwingUtilities.invokeLater(new Runnable() { | |
| 167 public void run() { | |
| 168 updateResultWindow(); | |
| 169 } | |
| 170 }); | |
| 171 } | |
| 172 } catch (Throwable t) { | |
| 173 t.printStackTrace(); | |
| 174 return true; | |
| 175 } | |
| 176 } | |
| 177 | |
| 178 return false; | |
| 179 } | |
| 180 | |
| 181 private void clearResultWindow() { | |
| 182 SwingUtilities.invokeLater(new Runnable() { | |
| 183 public void run() { | |
| 184 | |
| 185 Document d = textArea.getDocument(); | |
| 186 try { | |
| 187 d.remove(0, d.getLength()); | |
| 188 } catch (BadLocationException e) { | |
| 189 } | |
| 190 } | |
| 191 }); | |
| 192 } | |
| 193 | |
| 194 private synchronized void updateResultWindow() { | |
| 195 if (updates.size() > 0) { | |
| 196 Iterator i = updates.iterator(); | |
| 197 while (i.hasNext()) { | |
| 198 textArea.append((String)i.next()); | |
| 199 } | |
| 200 updates = new ArrayList();; | |
| 201 } | |
| 202 pendingUpdate = false; | |
| 203 } | |
| 204 | |
| 205 private void invokeInDispatchThread(Runnable runnable) { | |
| 206 if (EventQueue.isDispatchThread()) { | |
| 207 runnable.run(); | |
| 208 } else { | |
| 209 SwingUtilities.invokeLater(runnable); | |
| 210 } | |
| 211 } | |
| 212 | |
| 213 private void updateProgressBar() { | |
| 214 final double frac = (double) iterated / (double) usedSize; | |
| 215 if (frac == 0.0 || (frac - lastFrac > minUpdateFraction)) { | |
| 216 lastFrac = frac; | |
| 217 if (iterated > usedSize) { | |
| 218 System.out.println("iterated " + iterated + " usedSize " + usedSize); | |
| 219 } | |
| 220 SwingUtilities.invokeLater(new Runnable() { | |
| 221 public void run() { | |
| 222 progressBar.setValue(frac); | |
| 223 } | |
| 224 }); | |
| 225 } | |
| 226 } | |
| 227 } |