/* * 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.*; /* * This sample demonstrates DTrace/BTrace integration. * A one-liner D-script is started by BTrace client * because of @DTrace annotation. In this example * on new Java Thread starts, BTrace action raises a * DTrace probe. The D-script prints mixed mode stack * trace on receiving this probe. */ @DTrace("btrace$1:::event / copyinstr(arg0) == \"mstack\" / { jstack(); }") @BTrace public class DTraceInline { @OnMethod( clazz="java.lang.Thread", method="start" ) public static void newThread(Thread th) { println(Threads.name(th)); D.probe("mstack", ""); } }