Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/ui/FindInHeapPanel.java @ 132:60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
Summary: combine many scalar variables into a single enum-indexed array in SystemDictionary.
Reviewed-by: kvn
author | jrose |
---|---|
date | Tue, 29 Apr 2008 19:45:22 -0700 |
parents | ba764ed4b6f2 |
children | d1605aabd0a1 |
rev | line source |
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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 } | |
113
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95 public void visitCompOopAddress(Address addr) { |
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96 if (error) return; |
0 | 97 |
113
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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 } |