1 /*
   2  * Copyright (c) 2013, 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.jmx;
  27 
  28 import java.nio.file.Path;
  29 import java.nio.file.Paths;
  30 import java.util.ArrayList;
  31 import java.util.Iterator;
  32 import java.util.List;
  33 
  34 import jdk.jfr.consumer.RecordedEvent;
  35 import jdk.jfr.consumer.RecordingFile;
  36 import jdk.management.jfr.FlightRecorderMXBean;
  37 import jdk.test.lib.Asserts;
  38 import jdk.test.lib.jfr.EventField;
  39 import jdk.test.lib.jfr.Events;
  40 import jdk.test.lib.jfr.SimpleEventHelper;
  41 
  42 /**
  43  * @test
  44  * @key jfr
  45  * @requires vm.hasJFR
  46  * @library /test/lib /test/jdk
  47  * @run main/othervm jdk.jfr.jmx.TestCloneRepeat
  48  */
  49 public class TestCloneRepeat {
  50     public static void main(String[] args) throws Exception {
  51         FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
  52 
  53         long orgId = bean.newRecording();
  54         bean.startRecording(orgId);
  55 
  56         List<Integer> ids = new ArrayList<>();
  57         for (int i=0; i<5; i++) {
  58             long cloneId = bean.cloneRecording(orgId, false);
  59             SimpleEventHelper.createEvent(i);
  60             bean.stopRecording(cloneId);
  61             Path path = Paths.get(".", i + "-org.jfr");
  62             bean.copyTo(cloneId, path.toString());
  63             bean.closeRecording(cloneId);
  64             ids.add(i);
  65             verifyEvents(path, ids);
  66         }
  67 
  68         bean.closeRecording(orgId);
  69     }
  70 
  71     private static void verifyEvents(Path path, List<Integer> ids) throws Exception {
  72         List<RecordedEvent> events = RecordingFile.readAllEvents(path);
  73         Iterator<RecordedEvent> iterator = events.iterator();
  74         for (int i=0; i<ids.size(); i++) {
  75             Asserts.assertTrue(iterator.hasNext(), "Missing event " + ids.get(i));
  76             EventField idField = Events.assertField(iterator.next(), "id");
  77             System.out.println("Event.id=" + idField.getValue());
  78             idField.equal(ids.get(i).intValue());
  79         }
  80         if (iterator.hasNext()) {
  81             Asserts.fail("Got extra event: " + iterator.next());
  82         }
  83     }
  84 }