Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/tools/JSnap.java @ 12932:7fe6ef09d242
8025638: jmap returns 0 instead of 1 when it fails.
Summary: Re-factored some code handling return values and fails/errors during tool execution.
Reviewed-by: sla, kevinw
Contributed-by: fredrik.arvidsson@oracle.com
author | farvidsson |
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date | Wed, 16 Oct 2013 09:20:23 +0200 |
parents | 38ea2efa32a7 |
children | de6a9e811145 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2004, 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.tools; | |
26 | |
27 import java.io.*; | |
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28 import sun.jvm.hotspot.debugger.JVMDebugger; |
0 | 29 import sun.jvm.hotspot.runtime.*; |
30 | |
31 public class JSnap extends Tool { | |
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32 |
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33 public JSnap() { |
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34 super(); |
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35 } |
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36 |
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37 public JSnap(JVMDebugger d) { |
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38 super(d); |
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39 } |
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40 |
0 | 41 public void run() { |
42 final PrintStream out = System.out; | |
43 if (PerfMemory.initialized()) { | |
44 PerfDataPrologue prologue = PerfMemory.prologue(); | |
45 if (prologue.accessible()) { | |
46 PerfMemory.iterate(new PerfMemory.PerfDataEntryVisitor() { | |
47 public boolean visit(PerfDataEntry pde) { | |
48 if (pde.supported()) { | |
49 out.print(pde.name()); | |
50 out.print('='); | |
51 out.println(pde.valueAsString()); | |
52 } | |
53 // goto next entry | |
54 return true; | |
55 } | |
56 }); | |
57 } else { | |
58 out.println("PerfMemory is not accessible"); | |
59 } | |
60 } else { | |
61 out.println("PerfMemory is not initialized"); | |
62 } | |
63 } | |
64 | |
65 public static void main(String[] args) { | |
66 JSnap js = new JSnap(); | |
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8025638: jmap returns 0 instead of 1 when it fails.
farvidsson
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67 js.execute(args); |
0 | 68 } |
69 } |