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