Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/FindInHeapPanel.java @ 6972:bd7a7ce2e264
6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Mon, 12 Nov 2012 14:03:53 -0800 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 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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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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103 updateProgressBar(); |
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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 } |