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 }