Mercurial > hg > graal-jvmci-8
annotate agent/src/share/classes/sun/jvm/hotspot/tools/JMap.java @ 8112:b685ca4f4fb9
8008536: Add HotSpot support for printing class loader statistics for JMap
Reviewed-by: sla, brutisso
author | ehelin |
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date | Wed, 20 Feb 2013 16:41:23 +0100 |
parents | c18cbe5936b8 |
children | 9075044ed66b |
rev | line source |
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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 |
c18cbe5936b8
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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.*; | |
28 import sun.jvm.hotspot.utilities.*; | |
29 | |
30 public class JMap extends Tool { | |
31 public JMap(int m) { | |
32 mode = m; | |
33 } | |
34 | |
35 public JMap() { | |
36 this(MODE_PMAP); | |
37 } | |
38 | |
39 protected boolean needsJavaPrefix() { | |
40 return false; | |
41 } | |
42 | |
43 public String getName() { | |
44 return "jmap"; | |
45 } | |
46 | |
47 protected String getCommandFlags() { | |
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48 return "-heap|-heap:format=b|-histo|-clstats|-finalizerinfo"; |
0 | 49 } |
50 | |
51 protected void printFlagsUsage() { | |
52 System.out.println(" <no option>\tto print same info as Solaris pmap"); | |
53 System.out.println(" -heap\tto print java heap summary"); | |
54 System.out.println(" -heap:format=b\tto dump java heap in hprof binary format"); | |
55 System.out.println(" -histo\tto print histogram of java object heap"); | |
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56 System.out.println(" -clstats\tto print class loader statistics"); |
0 | 57 System.out.println(" -finalizerinfo\tto print information on objects awaiting finalization"); |
58 super.printFlagsUsage(); | |
59 } | |
60 | |
61 public static final int MODE_HEAP_SUMMARY = 0; | |
62 public static final int MODE_HISTOGRAM = 1; | |
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63 public static final int MODE_CLSTATS = 2; |
0 | 64 public static final int MODE_PMAP = 3; |
65 public static final int MODE_HEAP_GRAPH_HPROF_BIN = 4; | |
66 public static final int MODE_HEAP_GRAPH_GXL = 5; | |
67 public static final int MODE_FINALIZERINFO = 6; | |
68 | |
69 public void run() { | |
70 Tool tool = null; | |
71 switch (mode) { | |
72 | |
73 case MODE_HEAP_SUMMARY: | |
74 tool = new HeapSummary(); | |
75 break; | |
76 | |
77 case MODE_HISTOGRAM: | |
78 tool = new ObjectHistogram(); | |
79 break; | |
80 | |
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81 case MODE_CLSTATS: |
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82 tool = new ClassLoaderStats(); |
0 | 83 break; |
84 | |
85 case MODE_PMAP: | |
86 tool = new PMap(); | |
87 break; | |
88 | |
89 case MODE_HEAP_GRAPH_HPROF_BIN: | |
90 writeHeapHprofBin(); | |
91 return; | |
92 | |
93 case MODE_HEAP_GRAPH_GXL: | |
94 writeHeapGXL(); | |
95 return; | |
96 | |
97 case MODE_FINALIZERINFO: | |
98 tool = new FinalizerInfo(); | |
99 break; | |
100 | |
101 default: | |
102 usage(); | |
103 break; | |
104 } | |
105 | |
106 tool.setAgent(getAgent()); | |
107 tool.setDebugeeType(getDebugeeType()); | |
108 tool.run(); | |
109 } | |
110 | |
111 public static void main(String[] args) { | |
112 int mode = MODE_PMAP; | |
113 if (args.length > 1 ) { | |
114 String modeFlag = args[0]; | |
115 boolean copyArgs = true; | |
116 if (modeFlag.equals("-heap")) { | |
117 mode = MODE_HEAP_SUMMARY; | |
118 } else if (modeFlag.equals("-histo")) { | |
119 mode = MODE_HISTOGRAM; | |
120 } else if (modeFlag.equals("-permstat")) { | |
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121 mode = MODE_CLSTATS; |
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122 } else if (modeFlag.equals("-clstats")) { |
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123 mode = MODE_CLSTATS; |
0 | 124 } else if (modeFlag.equals("-finalizerinfo")) { |
125 mode = MODE_FINALIZERINFO; | |
126 } else { | |
127 int index = modeFlag.indexOf("-heap:format="); | |
128 if (index != -1) { | |
129 String format = modeFlag.substring(1 + modeFlag.indexOf('=')); | |
130 if (format.equals("b")) { | |
131 mode = MODE_HEAP_GRAPH_HPROF_BIN; | |
132 } else if (format.equals("x")) { | |
133 mode = MODE_HEAP_GRAPH_GXL; | |
134 } else { | |
135 System.err.println("unknown heap format:" + format); | |
136 return; | |
137 } | |
138 } else { | |
139 copyArgs = false; | |
140 } | |
141 } | |
142 | |
143 if (copyArgs) { | |
144 String[] newArgs = new String[args.length - 1]; | |
145 for (int i = 0; i < newArgs.length; i++) { | |
146 newArgs[i] = args[i + 1]; | |
147 } | |
148 args = newArgs; | |
149 } | |
150 } | |
151 | |
152 JMap jmap = new JMap(mode); | |
153 jmap.start(args); | |
154 jmap.stop(); | |
155 } | |
156 | |
157 public boolean writeHeapHprofBin(String fileName) { | |
158 try { | |
159 HeapGraphWriter hgw = new HeapHprofBinWriter(); | |
160 hgw.write(fileName); | |
161 System.out.println("heap written to " + fileName); | |
162 return true; | |
163 } catch (IOException exp) { | |
164 System.err.println(exp.getMessage()); | |
165 return false; | |
166 } | |
167 } | |
168 | |
169 public boolean writeHeapHprofBin() { | |
170 return writeHeapHprofBin("heap.bin"); | |
171 } | |
172 | |
173 private boolean writeHeapGXL(String fileName) { | |
174 try { | |
175 HeapGraphWriter hgw = new HeapGXLWriter(); | |
176 hgw.write(fileName); | |
177 System.out.println("heap written to " + fileName); | |
178 return true; | |
179 } catch (IOException exp) { | |
180 System.err.println(exp.getMessage()); | |
181 return false; | |
182 } | |
183 } | |
184 | |
185 public boolean writeHeapGXL() { | |
186 return writeHeapGXL("heap.xml"); | |
187 } | |
188 | |
189 private int mode; | |
190 } |