Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/tools/JMap.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 |
|---|---|
| date | Wed, 16 Oct 2013 09:20:23 +0200 |
| parents | 38ea2efa32a7 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2004, 2013, 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.utilities.*; |
| 30 | |
| 31 public class JMap extends Tool { | |
| 32 public JMap(int m) { | |
| 33 mode = m; | |
| 34 } | |
| 35 | |
| 36 public JMap() { | |
| 37 this(MODE_PMAP); | |
| 38 } | |
| 39 | |
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40 public JMap(JVMDebugger d) { |
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41 super(d); |
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42 } |
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43 |
| 0 | 44 protected boolean needsJavaPrefix() { |
| 45 return false; | |
| 46 } | |
| 47 | |
| 48 public String getName() { | |
| 49 return "jmap"; | |
| 50 } | |
| 51 | |
| 52 protected String getCommandFlags() { | |
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53 return "-heap|-heap:format=b|-histo|-clstats|-finalizerinfo"; |
| 0 | 54 } |
| 55 | |
| 56 protected void printFlagsUsage() { | |
| 57 System.out.println(" <no option>\tto print same info as Solaris pmap"); | |
| 58 System.out.println(" -heap\tto print java heap summary"); | |
| 59 System.out.println(" -heap:format=b\tto dump java heap in hprof binary format"); | |
| 60 System.out.println(" -histo\tto print histogram of java object heap"); | |
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61 System.out.println(" -clstats\tto print class loader statistics"); |
| 0 | 62 System.out.println(" -finalizerinfo\tto print information on objects awaiting finalization"); |
| 63 super.printFlagsUsage(); | |
| 64 } | |
| 65 | |
| 66 public static final int MODE_HEAP_SUMMARY = 0; | |
| 67 public static final int MODE_HISTOGRAM = 1; | |
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68 public static final int MODE_CLSTATS = 2; |
| 0 | 69 public static final int MODE_PMAP = 3; |
| 70 public static final int MODE_HEAP_GRAPH_HPROF_BIN = 4; | |
| 71 public static final int MODE_HEAP_GRAPH_GXL = 5; | |
| 72 public static final int MODE_FINALIZERINFO = 6; | |
| 73 | |
| 74 public void run() { | |
| 75 Tool tool = null; | |
| 76 switch (mode) { | |
| 77 | |
| 78 case MODE_HEAP_SUMMARY: | |
| 79 tool = new HeapSummary(); | |
| 80 break; | |
| 81 | |
| 82 case MODE_HISTOGRAM: | |
| 83 tool = new ObjectHistogram(); | |
| 84 break; | |
| 85 | |
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86 case MODE_CLSTATS: |
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87 tool = new ClassLoaderStats(); |
| 0 | 88 break; |
| 89 | |
| 90 case MODE_PMAP: | |
| 91 tool = new PMap(); | |
| 92 break; | |
| 93 | |
| 94 case MODE_HEAP_GRAPH_HPROF_BIN: | |
| 95 writeHeapHprofBin(); | |
| 96 return; | |
| 97 | |
| 98 case MODE_HEAP_GRAPH_GXL: | |
| 99 writeHeapGXL(); | |
| 100 return; | |
| 101 | |
| 102 case MODE_FINALIZERINFO: | |
| 103 tool = new FinalizerInfo(); | |
| 104 break; | |
| 105 | |
| 106 default: | |
| 107 usage(); | |
| 108 break; | |
| 109 } | |
| 110 | |
| 111 tool.setAgent(getAgent()); | |
| 112 tool.setDebugeeType(getDebugeeType()); | |
| 113 tool.run(); | |
| 114 } | |
| 115 | |
| 116 public static void main(String[] args) { | |
| 117 int mode = MODE_PMAP; | |
| 118 if (args.length > 1 ) { | |
| 119 String modeFlag = args[0]; | |
| 120 boolean copyArgs = true; | |
| 121 if (modeFlag.equals("-heap")) { | |
| 122 mode = MODE_HEAP_SUMMARY; | |
| 123 } else if (modeFlag.equals("-histo")) { | |
| 124 mode = MODE_HISTOGRAM; | |
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125 } else if (modeFlag.equals("-clstats")) { |
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126 mode = MODE_CLSTATS; |
| 0 | 127 } else if (modeFlag.equals("-finalizerinfo")) { |
| 128 mode = MODE_FINALIZERINFO; | |
| 129 } else { | |
| 130 int index = modeFlag.indexOf("-heap:format="); | |
| 131 if (index != -1) { | |
| 132 String format = modeFlag.substring(1 + modeFlag.indexOf('=')); | |
| 133 if (format.equals("b")) { | |
| 134 mode = MODE_HEAP_GRAPH_HPROF_BIN; | |
| 135 } else if (format.equals("x")) { | |
| 136 mode = MODE_HEAP_GRAPH_GXL; | |
| 137 } else { | |
| 138 System.err.println("unknown heap format:" + format); | |
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8025638: jmap returns 0 instead of 1 when it fails.
farvidsson
parents:
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139 |
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farvidsson
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140 // Exit with error status |
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141 System.exit(1); |
| 0 | 142 } |
| 143 } else { | |
| 144 copyArgs = false; | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 if (copyArgs) { | |
| 149 String[] newArgs = new String[args.length - 1]; | |
| 150 for (int i = 0; i < newArgs.length; i++) { | |
| 151 newArgs[i] = args[i + 1]; | |
| 152 } | |
| 153 args = newArgs; | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 JMap jmap = new JMap(mode); | |
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parents:
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158 jmap.execute(args); |
| 0 | 159 } |
| 160 | |
| 161 public boolean writeHeapHprofBin(String fileName) { | |
| 162 try { | |
| 163 HeapGraphWriter hgw = new HeapHprofBinWriter(); | |
| 164 hgw.write(fileName); | |
| 165 System.out.println("heap written to " + fileName); | |
| 166 return true; | |
| 167 } catch (IOException exp) { | |
| 168 System.err.println(exp.getMessage()); | |
| 169 return false; | |
| 170 } | |
| 171 } | |
| 172 | |
| 173 public boolean writeHeapHprofBin() { | |
| 174 return writeHeapHprofBin("heap.bin"); | |
| 175 } | |
| 176 | |
| 177 private boolean writeHeapGXL(String fileName) { | |
| 178 try { | |
| 179 HeapGraphWriter hgw = new HeapGXLWriter(); | |
| 180 hgw.write(fileName); | |
| 181 System.out.println("heap written to " + fileName); | |
| 182 return true; | |
| 183 } catch (IOException exp) { | |
| 184 System.err.println(exp.getMessage()); | |
| 185 return false; | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 public boolean writeHeapGXL() { | |
| 190 return writeHeapGXL("heap.xml"); | |
| 191 } | |
| 192 | |
| 193 private int mode; | |
| 194 } |