1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.test.lib.hprof; 25 26 import java.io.File; 27 import jdk.test.lib.hprof.model.Snapshot; 28 import jdk.test.lib.hprof.parser.Reader; 29 30 /** 31 * Helper class to parse a java heap dump file. 32 */ 33 public class HprofParser { 34 35 /** 36 * @see #parse(File, boolean, boolean, boolean) 37 */ 38 public static void parse(File dump) throws Exception { 39 parse(dump, false, true, true); 40 } 41 42 /** 43 * @see #parse(File, boolean, boolean, boolean) 44 */ 45 public static void parseWithDebugInfo(File dump) throws Exception { 46 parse(dump, true, true, true); 47 } 48 49 /** 50 * Parse a java heap dump file 51 * 52 * @param dump Heap dump file to parse 53 * @param debug Turn on/off debug file parsing 54 * @param callStack Turn on/off tracking of object allocation call stack 55 * @param calculateRefs Turn on/off tracking object allocation call stack 56 * @throws Exception 57 */ 58 public static void parse(File dump, boolean debug, boolean callStack, boolean calculateRefs) throws Exception { 59 int debugLevel = debug ? 2 : 0; 60 Snapshot snapshot = Reader.readFile(dump.getAbsolutePath(), callStack, debugLevel); 61 62 System.out.println("Snapshot read, resolving..."); 63 snapshot.resolve(calculateRefs); 64 System.out.println("Snapshot resolved."); 65 } 66 67 }