Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/tools/JMap.java @ 19491:4d66c000d253
Truffle/Instrumentation: more cleanup in Probe
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Wed, 18 Feb 2015 18:30:49 -0800 |
parents | 7fe6ef09d242 |
children |
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/* * Copyright (c) 2004, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.tools; import java.io.*; import sun.jvm.hotspot.debugger.JVMDebugger; import sun.jvm.hotspot.utilities.*; public class JMap extends Tool { public JMap(int m) { mode = m; } public JMap() { this(MODE_PMAP); } public JMap(JVMDebugger d) { super(d); } protected boolean needsJavaPrefix() { return false; } public String getName() { return "jmap"; } protected String getCommandFlags() { return "-heap|-heap:format=b|-histo|-clstats|-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(" -clstats\tto print class loader 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_CLSTATS = 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_CLSTATS: tool = new ClassLoaderStats(); 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("-clstats")) { mode = MODE_CLSTATS; } 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); // Exit with error status System.exit(1); } } 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.execute(args); } 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; }