| /* |
| * 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; |
| |
| private static String dumpfile = "heap.bin"; |
| |
| 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(dumpfile); |
| return; |
| |
| case MODE_HEAP_GRAPH_GXL: |
| writeHeapGXL(dumpfile); |
| 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:"); |
| if (index != -1) { |
| String[] options = modeFlag.substring(6).split(","); |
| for (String option : options) { |
| String[] keyValue = option.split("="); |
| if (keyValue[0].equals("format")) { |
| if (keyValue[1].equals("b")) { |
| mode = MODE_HEAP_GRAPH_HPROF_BIN; |
| } else if (keyValue[1].equals("x")) { |
| mode = MODE_HEAP_GRAPH_GXL; |
| } else { |
| System.err.println("unknown heap format:" + keyValue[0]); |
| |
| // Exit with error status |
| System.exit(1); |
| } |
| } else if (keyValue[0].equals("file")) { |
| if ((keyValue[1] == null) || keyValue[1].equals("")) { |
| System.err.println("File name must be set."); |
| System.exit(1); |
| } |
| dumpfile = keyValue[1]; |
| } else { |
| System.err.println("unknown option:" + keyValue[0]); |
| |
| // 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; |
| } |