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.consumer; 27 28 import java.nio.file.Path; 29 import java.util.List; 30 31 import jdk.jfr.Event; 32 import jdk.jfr.Recording; 33 import jdk.jfr.consumer.RecordedEvent; 34 import jdk.jfr.consumer.RecordedThread; 35 import jdk.jfr.consumer.RecordingFile; 36 import jdk.test.lib.Asserts; 37 import jdk.test.lib.Utils; 38 39 /** 40 * @test 41 * @summary Tests that the RecordedEvent.getThread() returns th expected info 42 * @key jfr 43 * @requires vm.hasJFR 44 * @library /test/lib 45 * @run main/othervm jdk.jfr.api.consumer.TestRecordedEventGetThreadOther 46 */ 47 public class TestRecordedEventGetThreadOther { 48 49 private static final String MY_THREAD_NAME = "MY_THREAD_NAME"; 50 private static long expectedThreadId; 51 private static Path dumpFilePath; 52 53 static class TestEvent extends Event { 54 } 55 56 static class PostingThread extends Thread { 57 58 PostingThread() { 59 setName(MY_THREAD_NAME); 60 expectedThreadId = getId(); 61 } 62 63 @Override 64 public void run() { 65 try { 66 System.out.println("Starting thread..."); 67 dumpFilePath = postEventAndDumpToFile(); 68 System.out.println("events dumped to the file " + dumpFilePath); 69 } catch (Throwable t) { 70 t.printStackTrace(); 71 Asserts.fail(); 72 } 73 } 74 } 75 76 public static void main(String[] args) throws Throwable { 77 Thread.currentThread().setName("MyMainThread"); 78 79 PostingThread thread = new PostingThread(); 80 thread.start(); 81 thread.join(); 82 System.out.println("testing dump in file " + dumpFilePath); 83 84 List<RecordedEvent> events = RecordingFile.readAllEvents(dumpFilePath); 85 Asserts.assertEquals(events.size(), 1); 86 87 RecordedEvent event = events.get(0); 88 RecordedThread recordedThread = event.getThread(); 89 90 Asserts.assertNotNull(recordedThread); 91 Asserts.assertEquals(recordedThread.getJavaName(), MY_THREAD_NAME); 92 Asserts.assertEquals(recordedThread.getJavaThreadId(), expectedThreadId); 93 Asserts.assertNotNull(recordedThread.getId()); 94 Asserts.assertEquals(recordedThread.getOSName(), MY_THREAD_NAME); 95 } 96 97 private static Path postEventAndDumpToFile() throws Throwable { 98 Recording r = new Recording(); 99 r.start(); 100 TestEvent t = new TestEvent(); 101 t.commit(); 102 r.stop(); 103 Path path = Utils.createTempFile("event-thread", ".jfr"); 104 System.out.println("Created path: " + path); 105 r.dump(path); 106 r.close(); 107 return path; 108 } 109 }