Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/ui/MonitorCacheDumpPanel.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2002, 2007, 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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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.ui; | |
| 26 | |
| 27 import java.awt.*; | |
| 28 import java.io.*; | |
| 29 import javax.swing.*; | |
| 30 import java.util.*; | |
| 31 | |
| 32 import sun.jvm.hotspot.memory.*; | |
| 33 import sun.jvm.hotspot.runtime.*; | |
| 34 import sun.jvm.hotspot.debugger.*; | |
| 35 import sun.jvm.hotspot.oops.*; | |
| 36 | |
| 37 /** Provides information about monitor cache. */ | |
| 38 | |
| 39 public class MonitorCacheDumpPanel extends JPanel { | |
| 40 public MonitorCacheDumpPanel() { | |
| 41 super(); | |
| 42 | |
| 43 setLayout(new BorderLayout()); | |
| 44 | |
| 45 // Simple at first | |
| 46 JScrollPane scroller = new JScrollPane(); | |
| 47 JTextArea textArea = new JTextArea(); | |
| 48 textArea = new JTextArea(); | |
| 49 textArea.setEditable(false); | |
| 50 textArea.setLineWrap(true); | |
| 51 textArea.setWrapStyleWord(true); | |
| 52 scroller.getViewport().add(textArea); | |
| 53 add(scroller, BorderLayout.CENTER); | |
| 54 | |
| 55 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 56 PrintStream tty = new PrintStream(bos); | |
| 57 tty.println("Monitor Cache Dump (not including JVMTI raw monitors):"); | |
| 58 tty.println(); | |
| 59 dumpOn(tty); | |
| 60 | |
| 61 textArea.setText(bos.toString()); | |
| 62 } | |
| 63 | |
| 64 private static void dumpMonitor(PrintStream tty, ObjectMonitor mon, boolean raw) { | |
| 65 tty.print("ObjectMonitor@" + mon.getAddress()); | |
| 66 if (raw) tty.print("(Raw Monitor)"); | |
| 67 tty.println(); | |
| 68 tty.println(" _header: 0x" + Long.toHexString(mon.header().value())); | |
| 69 OopHandle obj = mon.object(); | |
| 70 Oop oop = heap.newOop(obj); | |
| 71 tty.println(" _object: " + obj + ", a " + oop.getKlass().getName().asString()); | |
| 72 Address owner = mon.owner(); | |
| 73 tty.println(" _owner: " + owner); | |
| 74 if (!raw && owner != null) { | |
| 75 JavaThread thread = threads.owningThreadFromMonitor(mon); | |
| 76 if (thread != null) { | |
| 77 tty.println(" owning thread: " + thread.getThreadName()); | |
| 78 if (!thread.getAddress().equals(owner)) { | |
| 79 if (!thread.isLockOwned(owner)) { | |
| 80 tty.println(" WARNING! _owner doesn't fall in " + thread + | |
| 81 "'s stack space"); | |
| 82 } | |
| 83 } | |
| 84 } | |
| 85 } | |
| 86 tty.println(" _count: " + mon.count()); | |
| 87 tty.println(" _waiters: " + mon.waiters()); | |
| 88 tty.println(" _recursions: " + mon.recursions()); | |
| 89 } | |
| 90 | |
| 91 private void dumpOn(PrintStream tty) { | |
| 92 Iterator i = ObjectSynchronizer.objectMonitorIterator(); | |
| 93 if (i == null) { | |
| 94 tty.println("This version of HotSpot VM doesn't support monitor cache dump."); | |
| 95 tty.println("You need 1.4.0_04, 1.4.1_01 or later versions"); | |
| 96 return; | |
| 97 } | |
| 98 ObjectMonitor mon; | |
| 99 while (i.hasNext()) { | |
| 100 mon = (ObjectMonitor)i.next(); | |
| 101 if (mon.count() != 0 || mon.waiters() != 0 || mon.owner() != null) { | |
| 102 OopHandle object = mon.object(); | |
| 103 if (object == null) { | |
| 104 dumpMonitor(tty, mon, true); | |
| 105 } else { | |
| 106 dumpMonitor(tty, mon, false); | |
| 107 } | |
| 108 } | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 private static Threads threads = VM.getVM().getThreads(); | |
| 113 private static ObjectHeap heap = VM.getVM().getObjectHeap(); | |
| 114 } |