1 /* 2 * Copyright (c) 2016, 2018, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.startupargs; 27 28 import jdk.jfr.Event; 29 import jdk.jfr.EventType; 30 import jdk.jfr.Recording; 31 import jdk.test.lib.Asserts; 32 import jdk.test.lib.jfr.Events; 33 import jdk.test.lib.jfr.SimpleEvent; 34 35 /** 36 * @test 37 * @key jfr 38 * @requires vm.hasJFR 39 * @library /test/lib 40 * @run main/othervm -XX:FlightRecorderOptions=retransform=false jdk.jfr.startupargs.TestRetransform 41 * @run main/othervm -XX:FlightRecorderOptions=retransform=true jdk.jfr.startupargs.TestRetransform 42 */ 43 public class TestRetransform { 44 private static class TestEvent extends Event { 45 } 46 public static void main(String[] args) throws Exception { 47 EventType type = EventType.getEventType(TestEvent.class); 48 if (type.isEnabled()) { 49 Asserts.fail("Expected event to be disabled before recording start"); 50 } 51 Recording r = new Recording(); 52 r.start(); 53 if (!type.isEnabled()) { 54 Asserts.fail("Expected event to be enabled during recording"); 55 } 56 TestEvent testEvent = new TestEvent(); 57 testEvent.commit(); 58 loadEventClassDuringRecording(); 59 r.stop(); 60 if (type.isEnabled()) { 61 Asserts.fail("Expected event to be disabled after recording stopped"); 62 } 63 Events.hasEvent(r, SimpleEvent.class.getName()); 64 Events.hasEvent(r, TestEvent.class.getName()); 65 } 66 67 // Classes that are loaded during a recording 68 // should get instrumentation on class load 69 private static void loadEventClassDuringRecording() { 70 SimpleEvent event = new SimpleEvent(); 71 event.commit(); 72 } 73 74 }