/* * Copyright (c) 2008, 2015, 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. */ package com.sun.btrace.samples; import com.sun.btrace.annotations.*; import static com.sun.btrace.BTraceUtils.*; /* * A simple sample that dumps heap of the target at start and exits. * This BTrace program mimics the jmap tool (with -dump option). */ @BTrace public class JMap { static { String name; if (Sys.$length() == 3) { name = Sys.$(2); } else { name = "heap.bin"; } Sys.Memory.dumpHeap(name); println("heap dumped!"); Sys.exit(0); } }