/* * Copyright (c) 2005, 2008, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. *//* * The Original Code is HAT. The Initial Developer of the * Original Code is Bill Foote, with contributions from others * at JavaSoft/Sun. */package com.sun.tools.hat;import java.io.IOException;import java.io.File;import com.sun.tools.hat.internal.model.Snapshot;import com.sun.tools.hat.internal.model.ReachableExcludesImpl;import com.sun.tools.hat.internal.server.QueryListener;/** * * @author Bill Foote */public class Main { private static String VERSION_STRING = "jhat version 2.0"; private static void usage(String message) { if ( message != null ) { System.err.println("ERROR: " + message); } System.err.println("Usage: jhat [-stack <bool>] [-refs <bool>] [-port <port>] [-baseline <file>] [-debug <int>] [-version] [-h|-help] <file>"); System.err.println(); System.err.println("\t-J<flag> Pass <flag> directly to the runtime system. For"); System.err.println("\t\t\t example, -J-mx512m to use a maximum heap size of 512MB"); System.err.println("\t-stack false: Turn off tracking object allocation call stack."); System.err.println("\t-refs false: Turn off tracking of references to objects"); System.err.println("\t-port <port>: Set the port for the HTTP server. Defaults to 7000"); System.err.println("\t-exclude <file>: Specify a file that lists data members that should"); System.err.println("\t\t\t be excluded from the reachableFrom query."); System.err.println("\t-baseline <file>: Specify a baseline object dump. Objects in"); System.err.println("\t\t\t both heap dumps with the same ID and same class will"); System.err.println("\t\t\t be marked as not being \"new\"."); System.err.println("\t-debug <int>: Set debug level."); System.err.println("\t\t\t 0: No debug output"); System.err.println("\t\t\t 1: Debug hprof file parsing"); System.err.println("\t\t\t 2: Debug hprof file parsing, no server"); System.err.println("\t-version Report version number"); System.err.println("\t-h|-help Print this help and exit"); System.err.println("\t<file> The file to read"); System.err.println(); System.err.println("For a dump file that contains multiple heap dumps,"); System.err.println("you may specify which dump in the file"); System.err.println("by appending \"#<number>\" to the file name, i.e. \"foo.hprof#3\"."); System.err.println(); System.err.println("All boolean options default to \"true\""); System.exit(1); } // // Convert s to a boolean. If it's invalid, abort the program. // private static boolean booleanValue(String s) { if ("true".equalsIgnoreCase(s)) { return true; } else if ("false".equalsIgnoreCase(s)) { return false; } else { usage("Boolean value must be true or false"); return false; // Never happens } } public static void main(String[] args) { if (args.length < 1) { usage("No arguments supplied"); } boolean parseonly = false; int portNumber = 7000; boolean callStack = true; boolean calculateRefs = true; String baselineDump = null; String excludeFileName = null; int debugLevel = 0; for (int i = 0; ; i += 2) { if (i > (args.length - 1)) { usage("Option parsing error"); } if ("-version".equals(args[i])) { System.out.print(VERSION_STRING); System.out.println(" (java version " + System.getProperty("java.version") + ")"); System.exit(0); } if ("-h".equals(args[i]) || "-help".equals(args[i])) { usage(null); } if (i == (args.length - 1)) { break; } String key = args[i]; String value = args[i+1]; if ("-stack".equals(key)) { callStack = booleanValue(value); } else if ("-refs".equals(key)) { calculateRefs = booleanValue(value); } else if ("-port".equals(key)) { portNumber = Integer.parseInt(value, 10); } else if ("-exclude".equals(key)) { excludeFileName = value; } else if ("-baseline".equals(key)) { baselineDump = value; } else if ("-debug".equals(key)) { debugLevel = Integer.parseInt(value, 10); } else if ("-parseonly".equals(key)) { // Undocumented option. To be used for testing purpose only parseonly = booleanValue(value); } } String fileName = args[args.length - 1]; Snapshot model = null; File excludeFile = null; if (excludeFileName != null) { excludeFile = new File(excludeFileName); if (!excludeFile.exists()) { System.out.println("Exclude file " + excludeFile + " does not exist. Aborting."); System.exit(1); } } System.out.println("Reading from " + fileName + "..."); try { model = com.sun.tools.hat.internal.parser.Reader.readFile(fileName, callStack, debugLevel); } catch (IOException ex) { ex.printStackTrace(); System.exit(1); } catch (RuntimeException ex) { ex.printStackTrace(); System.exit(1); } System.out.println("Snapshot read, resolving..."); model.resolve(calculateRefs); System.out.println("Snapshot resolved."); if (excludeFile != null) { model.setReachableExcludes(new ReachableExcludesImpl(excludeFile)); } if (baselineDump != null) { System.out.println("Reading baseline snapshot..."); Snapshot baseline = null; try { baseline = com.sun.tools.hat.internal.parser.Reader.readFile(baselineDump, false, debugLevel); } catch (IOException ex) { ex.printStackTrace(); System.exit(1); } catch (RuntimeException ex) { ex.printStackTrace(); System.exit(1); } baseline.resolve(false); System.out.println("Discovering new objects..."); model.markNewRelativeTo(baseline); baseline = null; // Guard against conservative GC } if ( debugLevel == 2 ) { System.out.println("No server, -debug 2 was used."); System.exit(0); } if (parseonly) { // do not start web server. System.out.println("-parseonly is true, exiting.."); System.exit(0); } QueryListener listener = new QueryListener(portNumber); listener.setModel(model); Thread t = new Thread(listener, "Query Listener"); t.setPriority(Thread.NORM_PRIORITY+1); t.start(); System.out.println("Started HTTP server on port " + portNumber); System.out.println("Server is ready."); }}
/*
* Copyright (c) 2005, 2008, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*/
/*
* The Original Code is HAT. The Initial Developer of the
* Original Code is Bill Foote, with contributions from others
* at JavaSoft/Sun.
*/
package com.sun.tools.hat;
import java.io.IOException;
import java.io.File;
import com.sun.tools.hat.internal.model.Snapshot;
import com.sun.tools.hat.internal.model.ReachableExcludesImpl;
import com.sun.tools.hat.internal.server.QueryListener;
/**
*
* @author Bill Foote
*/
public class Main {
private static String VERSION_STRING = "jhat version 2.0";
private static void usage(String message) {
if ( message != null ) {
System.err.println("ERROR: " + message);
}
System.err.println("Usage: jhat [-stack <bool>] [-refs <bool>] [-port <port>] [-baseline <file>] [-debug <int>] [-version] [-h|-help] <file>");
System.err.println();
System.err.println("\t-J<flag> Pass <flag> directly to the runtime system. For");
System.err.println("\t\t\t example, -J-mx512m to use a maximum heap size of 512MB");
System.err.println("\t-stack false: Turn off tracking object allocation call stack.");
System.err.println("\t-refs false: Turn off tracking of references to objects");
System.err.println("\t-port <port>: Set the port for the HTTP server. Defaults to 7000");
System.err.println("\t-exclude <file>: Specify a file that lists data members that should");
System.err.println("\t\t\t be excluded from the reachableFrom query.");
System.err.println("\t-baseline <file>: Specify a baseline object dump. Objects in");
System.err.println("\t\t\t both heap dumps with the same ID and same class will");
System.err.println("\t\t\t be marked as not being \"new\".");
System.err.println("\t-debug <int>: Set debug level.");
System.err.println("\t\t\t 0: No debug output");
System.err.println("\t\t\t 1: Debug hprof file parsing");
System.err.println("\t\t\t 2: Debug hprof file parsing, no server");
System.err.println("\t-version Report version number");
System.err.println("\t-h|-help Print this help and exit");
System.err.println("\t<file> The file to read");
System.err.println();
System.err.println("For a dump file that contains multiple heap dumps,");
System.err.println("you may specify which dump in the file");
System.err.println("by appending \"#<number>\" to the file name, i.e. \"foo.hprof#3\".");
System.err.println();
System.err.println("All boolean options default to \"true\"");
System.exit(1);
}
//
// Convert s to a boolean. If it's invalid, abort the program.
//
private static boolean booleanValue(String s) {
if ("true".equalsIgnoreCase(s)) {
return true;
} else if ("false".equalsIgnoreCase(s)) {
return false;
} else {
usage("Boolean value must be true or false");
return false; // Never happens
}
}
public static void main(String[] args) {
if (args.length < 1) {
usage("No arguments supplied");
}
boolean parseonly = false;
int portNumber = 7000;
boolean callStack = true;
boolean calculateRefs = true;
String baselineDump = null;
String excludeFileName = null;
int debugLevel = 0;
for (int i = 0; ; i += 2) {
if (i > (args.length - 1)) {
usage("Option parsing error");
}
if ("-version".equals(args[i])) {
System.out.print(VERSION_STRING);
System.out.println(" (java version " + System.getProperty("java.version") + ")");
System.exit(0);
}
if ("-h".equals(args[i]) || "-help".equals(args[i])) {
usage(null);
}
if (i == (args.length - 1)) {
break;
}
String key = args[i];
String value = args[i+1];
if ("-stack".equals(key)) {
callStack = booleanValue(value);
} else if ("-refs".equals(key)) {
calculateRefs = booleanValue(value);
} else if ("-port".equals(key)) {
portNumber = Integer.parseInt(value, 10);
} else if ("-exclude".equals(key)) {
excludeFileName = value;
} else if ("-baseline".equals(key)) {
baselineDump = value;
} else if ("-debug".equals(key)) {
debugLevel = Integer.parseInt(value, 10);
} else if ("-parseonly".equals(key)) {
// Undocumented option. To be used for testing purpose only
parseonly = booleanValue(value);
}
}
String fileName = args[args.length - 1];
Snapshot model = null;
File excludeFile = null;
if (excludeFileName != null) {
excludeFile = new File(excludeFileName);
if (!excludeFile.exists()) {
System.out.println("Exclude file " + excludeFile
+ " does not exist. Aborting.");
System.exit(1);
}
}
System.out.println("Reading from " + fileName + "...");
try {
model = com.sun.tools.hat.internal.parser.Reader.readFile(fileName, callStack, debugLevel);
} catch (IOException ex) {
ex.printStackTrace();
System.exit(1);
} catch (RuntimeException ex) {
ex.printStackTrace();
System.exit(1);
}
System.out.println("Snapshot read, resolving...");
model.resolve(calculateRefs);
System.out.println("Snapshot resolved.");
if (excludeFile != null) {
model.setReachableExcludes(new ReachableExcludesImpl(excludeFile));
}
if (baselineDump != null) {
System.out.println("Reading baseline snapshot...");
Snapshot baseline = null;
try {
baseline = com.sun.tools.hat.internal.parser.Reader.readFile(baselineDump, false,
debugLevel);
} catch (IOException ex) {
ex.printStackTrace();
System.exit(1);
} catch (RuntimeException ex) {
ex.printStackTrace();
System.exit(1);
}
baseline.resolve(false);
System.out.println("Discovering new objects...");
model.markNewRelativeTo(baseline);
baseline = null; // Guard against conservative GC
}
if ( debugLevel == 2 ) {
System.out.println("No server, -debug 2 was used.");
System.exit(0);
}
if (parseonly) {
// do not start web server.
System.out.println("-parseonly is true, exiting..");
System.exit(0);
}
QueryListener listener = new QueryListener(portNumber);
listener.setModel(model);
Thread t = new Thread(listener, "Query Listener");
t.setPriority(Thread.NORM_PRIORITY+1);
t.start();
System.out.println("Started HTTP server on port " + portNumber);
System.out.println("Server is ready.");
}
}