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