Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/tools/JMap.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/tools/JMap.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,188 @@ +/* + * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package sun.jvm.hotspot.tools; + +import java.io.*; +import sun.jvm.hotspot.utilities.*; + +public class JMap extends Tool { + public JMap(int m) { + mode = m; + } + + public JMap() { + this(MODE_PMAP); + } + + protected boolean needsJavaPrefix() { + return false; + } + + public String getName() { + return "jmap"; + } + + protected String getCommandFlags() { + return "-heap|-heap:format=b|-histo|-permstat|-finalizerinfo"; + } + + protected void printFlagsUsage() { + System.out.println(" <no option>\tto print same info as Solaris pmap"); + System.out.println(" -heap\tto print java heap summary"); + System.out.println(" -heap:format=b\tto dump java heap in hprof binary format"); + System.out.println(" -histo\tto print histogram of java object heap"); + System.out.println(" -permstat\tto print permanent generation statistics"); + System.out.println(" -finalizerinfo\tto print information on objects awaiting finalization"); + super.printFlagsUsage(); + } + + public static final int MODE_HEAP_SUMMARY = 0; + public static final int MODE_HISTOGRAM = 1; + public static final int MODE_PERMSTAT = 2; + public static final int MODE_PMAP = 3; + public static final int MODE_HEAP_GRAPH_HPROF_BIN = 4; + public static final int MODE_HEAP_GRAPH_GXL = 5; + public static final int MODE_FINALIZERINFO = 6; + + public void run() { + Tool tool = null; + switch (mode) { + + case MODE_HEAP_SUMMARY: + tool = new HeapSummary(); + break; + + case MODE_HISTOGRAM: + tool = new ObjectHistogram(); + break; + + case MODE_PERMSTAT: + tool = new PermStat(); + break; + + case MODE_PMAP: + tool = new PMap(); + break; + + case MODE_HEAP_GRAPH_HPROF_BIN: + writeHeapHprofBin(); + return; + + case MODE_HEAP_GRAPH_GXL: + writeHeapGXL(); + return; + + case MODE_FINALIZERINFO: + tool = new FinalizerInfo(); + break; + + default: + usage(); + break; + } + + tool.setAgent(getAgent()); + tool.setDebugeeType(getDebugeeType()); + tool.run(); + } + + public static void main(String[] args) { + int mode = MODE_PMAP; + if (args.length > 1 ) { + String modeFlag = args[0]; + boolean copyArgs = true; + if (modeFlag.equals("-heap")) { + mode = MODE_HEAP_SUMMARY; + } else if (modeFlag.equals("-histo")) { + mode = MODE_HISTOGRAM; + } else if (modeFlag.equals("-permstat")) { + mode = MODE_PERMSTAT; + } else if (modeFlag.equals("-finalizerinfo")) { + mode = MODE_FINALIZERINFO; + } else { + int index = modeFlag.indexOf("-heap:format="); + if (index != -1) { + String format = modeFlag.substring(1 + modeFlag.indexOf('=')); + if (format.equals("b")) { + mode = MODE_HEAP_GRAPH_HPROF_BIN; + } else if (format.equals("x")) { + mode = MODE_HEAP_GRAPH_GXL; + } else { + System.err.println("unknown heap format:" + format); + return; + } + } else { + copyArgs = false; + } + } + + if (copyArgs) { + String[] newArgs = new String[args.length - 1]; + for (int i = 0; i < newArgs.length; i++) { + newArgs[i] = args[i + 1]; + } + args = newArgs; + } + } + + JMap jmap = new JMap(mode); + jmap.start(args); + jmap.stop(); + } + + public boolean writeHeapHprofBin(String fileName) { + try { + HeapGraphWriter hgw = new HeapHprofBinWriter(); + hgw.write(fileName); + System.out.println("heap written to " + fileName); + return true; + } catch (IOException exp) { + System.err.println(exp.getMessage()); + return false; + } + } + + public boolean writeHeapHprofBin() { + return writeHeapHprofBin("heap.bin"); + } + + private boolean writeHeapGXL(String fileName) { + try { + HeapGraphWriter hgw = new HeapGXLWriter(); + hgw.write(fileName); + System.out.println("heap written to " + fileName); + return true; + } catch (IOException exp) { + System.err.println(exp.getMessage()); + return false; + } + } + + public boolean writeHeapGXL() { + return writeHeapGXL("heap.xml"); + } + + private int mode; +}