1 /* 2 * Copyright (c) 2013, 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.jmx; 27 28 import java.util.List; 29 30 import jdk.jfr.RecordingState; 31 import jdk.management.jfr.FlightRecorderMXBean; 32 import jdk.management.jfr.RecordingInfo; 33 34 /* 35 * @test 36 * @key jfr 37 * @library /test/lib /test/jdk 38 * @run main/othervm jdk.jfr.jmx.TestMultipleRecordings 39 */ 40 public class TestMultipleRecordings { 41 public static void main(String[] args) throws Throwable { 42 FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean(); 43 System.out.println("bean.class=" + bean.getClass().getName()); 44 45 // Start recA 46 long recIdA = createRecording(bean); 47 startRecording(recIdA, bean); 48 49 // Start recB 50 long recIdB = createRecording(bean); 51 startRecording(recIdB, bean); 52 53 // Stop and destroy recA 54 stopRecording(recIdA, bean); 55 destroyRecording(recIdA, bean); 56 57 // Start, stop and destroy recC 58 long recIdC = createRecording(bean); 59 startRecording(recIdC, bean); 60 stopRecording(recIdC, bean); 61 destroyRecording(recIdC, bean); 62 63 // Stop and destroy recB 64 stopRecording(recIdB, bean); 65 destroyRecording(recIdB, bean); 66 } 67 68 private static long createRecording(FlightRecorderMXBean bean) throws Exception { 69 List<RecordingInfo> preCreateRecordings = bean.getRecordings(); 70 long recId = bean.newRecording(); 71 JmxHelper.verifyNotExists(recId, preCreateRecordings); 72 JmxHelper.verifyState(recId, RecordingState.NEW, bean); 73 return recId; 74 } 75 76 private static void startRecording(long recId, FlightRecorderMXBean bean) throws Exception { 77 JmxHelper.verifyState(recId, RecordingState.NEW, bean); 78 bean.startRecording(recId); 79 JmxHelper.verifyState(recId, RecordingState.RUNNING, bean); 80 } 81 82 private static void stopRecording(long recId, FlightRecorderMXBean bean) throws Exception { 83 JmxHelper.verifyState(recId, RecordingState.RUNNING, bean); 84 bean.stopRecording(recId); 85 JmxHelper.verifyState(recId, RecordingState.STOPPED, bean); 86 } 87 88 private static void destroyRecording(long recId, FlightRecorderMXBean bean) throws Exception { 89 JmxHelper.verifyState(recId, RecordingState.STOPPED, bean); 90 bean.closeRecording(recId); 91 JmxHelper.verifyNotExists(recId, bean.getRecordings()); 92 } 93 94 }