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 * 38 * @library /lib / 39 * @run main/othervm jdk.jfr.jmx.TestMultipleRecordings 40 */ 41 public class TestMultipleRecordings { 42 public static void main(String[] args) throws Throwable { 43 FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean(); 44 System.out.println("bean.class=" + bean.getClass().getName()); 45 46 // Start recA 47 long recIdA = createRecording(bean); 48 startRecording(recIdA, bean); 49 50 // Start recB 51 long recIdB = createRecording(bean); 52 startRecording(recIdB, bean); 53 54 // Stop and destroy recA 55 stopRecording(recIdA, bean); 56 destroyRecording(recIdA, bean); 57 58 // Start, stop and destroy recC 59 long recIdC = createRecording(bean); 60 startRecording(recIdC, bean); 61 stopRecording(recIdC, bean); 62 destroyRecording(recIdC, bean); 63 64 // Stop and destroy recB 65 stopRecording(recIdB, bean); 66 destroyRecording(recIdB, bean); 67 } 68 69 private static long createRecording(FlightRecorderMXBean bean) throws Exception { 70 List<RecordingInfo> preCreateRecordings = bean.getRecordings(); 71 long recId = bean.newRecording(); 72 JmxHelper.verifyNotExists(recId, preCreateRecordings); 73 JmxHelper.verifyState(recId, RecordingState.NEW, bean); 74 return recId; 75 } 76 77 private static void startRecording(long recId, FlightRecorderMXBean bean) throws Exception { 78 JmxHelper.verifyState(recId, RecordingState.NEW, bean); 79 bean.startRecording(recId); 80 JmxHelper.verifyState(recId, RecordingState.RUNNING, bean); 81 } 82 83 private static void stopRecording(long recId, FlightRecorderMXBean bean) throws Exception { 84 JmxHelper.verifyState(recId, RecordingState.RUNNING, bean); 85 bean.stopRecording(recId); 86 JmxHelper.verifyState(recId, RecordingState.STOPPED, bean); 87 } 88 89 private static void destroyRecording(long recId, FlightRecorderMXBean bean) throws Exception { 90 JmxHelper.verifyState(recId, RecordingState.STOPPED, bean); 91 bean.closeRecording(recId); 92 JmxHelper.verifyNotExists(recId, bean.getRecordings()); 93 } 94 95 }