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comparison agent/src/share/classes/sun/jvm/hotspot/tools/JStack.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2004-2005 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.tools;
26
27 public class JStack extends Tool {
28 public JStack(boolean mixedMode, boolean concurrentLocks) {
29 this.mixedMode = mixedMode;
30 this.concurrentLocks = concurrentLocks;
31 }
32
33 public JStack() {
34 this(true, true);
35 }
36
37 protected boolean needsJavaPrefix() {
38 return false;
39 }
40
41 public String getName() {
42 return "jstack";
43 }
44
45 protected void printFlagsUsage() {
46 System.out.println(" -l\tto print java.util.concurrent locks");
47 System.out.println(" -m\tto print both java and native frames (mixed mode)");
48 super.printFlagsUsage();
49 }
50
51 public void run() {
52 Tool tool = null;
53 if (mixedMode) {
54 tool = new PStack(false, concurrentLocks);
55 } else {
56 tool = new StackTrace(false, concurrentLocks);
57 }
58 tool.setAgent(getAgent());
59 tool.setDebugeeType(getDebugeeType());
60 tool.run();
61 }
62
63 public static void main(String[] args) {
64 boolean mixedMode = false;
65 boolean concurrentLocks = false;
66 int used = 0;
67 for (int i = 0; i < args.length; i++) {
68 if (args[i].equals("-m")) {
69 mixedMode = true;
70 used++;
71 } else if (args[i].equals("-l")) {
72 concurrentLocks = true;
73 used++;
74 }
75 }
76
77 if (used != 0) {
78 String[] newArgs = new String[args.length - used];
79 for (int i = 0; i < newArgs.length; i++) {
80 newArgs[i] = args[i + used];
81 }
82 args = newArgs;
83 }
84
85 JStack jstack = new JStack(mixedMode, concurrentLocks);
86 jstack.start(args);
87 jstack.stop();
88 }
89
90 private boolean mixedMode;
91 private boolean concurrentLocks;
92 }