1 /* 2 * Copyright (c) 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.api.recording.destination; 27 28 import java.nio.file.Files; 29 import java.nio.file.Path; 30 import java.nio.file.Paths; 31 import java.util.List; 32 33 import jdk.jfr.Recording; 34 import jdk.jfr.consumer.RecordedEvent; 35 import jdk.jfr.consumer.RecordingFile; 36 import jdk.test.lib.Asserts; 37 import jdk.test.lib.jfr.Events; 38 import jdk.test.lib.jfr.SimpleEventHelper; 39 40 /** 41 * @test 42 * @summary Test setDestination with concurrent recordings 43 * @key jfr 44 * @requires vm.hasJFR 45 * @library /test/lib 46 * @run main/othervm -Xlog:jfr=trace jdk.jfr.api.recording.destination.TestDestMultiple 47 */ 48 public class TestDestMultiple { 49 50 public static void main(String[] args) throws Throwable { 51 Recording rA = new Recording(); 52 Recording rB = new Recording(); 53 54 Path destA = Paths.get(".", "recA.jfr"); 55 Path destB = Paths.get(".", "recB.jfr"); 56 rA.setDestination(destA); 57 rB.setDestination(destB); 58 59 // Enable event in one recording and disable in the other. 60 // Both recordings should still get the events, since we always 61 // get the "union" of all settings. 62 SimpleEventHelper.enable(rA, true); 63 SimpleEventHelper.enable(rB, false); 64 65 SimpleEventHelper.createEvent(0); // To no recording 66 67 rA.start(); 68 SimpleEventHelper.createEvent(1); // Only to recA 69 70 rB.start(); 71 SimpleEventHelper.createEvent(2); // To both recordings 72 73 rA.stop(); 74 75 // This event will not be in recB. 76 // The reason is that recA has stopped so event is no longer enabled. 77 SimpleEventHelper.createEvent(3); 78 79 // Enable the event and create a new event for recB 80 SimpleEventHelper.enable(rB, true); 81 SimpleEventHelper.createEvent(4); 82 83 rB.stop(); 84 SimpleEventHelper.createEvent(5); // To no recording 85 86 rB.close(); 87 rA.close(); 88 89 verifyRecording(destA, 1, 2); 90 verifyRecording(destB, 2, 4); 91 } 92 93 private static void verifyRecording(Path path, int... ids) throws Exception { 94 Asserts.assertTrue(Files.exists(path), "Recording file does not exist: " + path); 95 int countEvent = 0; 96 List<RecordedEvent> events = RecordingFile.readAllEvents(path); 97 for (RecordedEvent event : events) { 98 int id = Events.assertField(event, "id").getValue(); 99 System.out.printf("Recording '%s' id=%d%n", path, id); 100 } 101 for (RecordedEvent event : events) { 102 int id = Events.assertField(event, "id").getValue(); 103 System.out.printf("Recording '%s' id=%d%n", path, id); 104 Asserts.assertTrue(ids.length > countEvent, "Found extra event"); 105 Events.assertField(event, "id").equal(ids[countEvent]); 106 ++countEvent; 107 } 108 // We expect exactly 4 events in each file. 2 events * 2 chunks 109 Asserts.assertEquals(countEvent, ids.length, "Found too few events"); 110 } 111 }