1 /*

     2  * Copyright (c) 2016, 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 package jdk.jfr.event.runtime;

    26 

    27 import static jdk.test.lib.Asserts.assertEquals;

    28 import static jdk.test.lib.Asserts.assertNull;

    29 import static jdk.test.lib.Asserts.assertTrue;

    30 

    31 import java.nio.file.Path;

    32 import java.nio.file.Paths;

    33 import java.time.Duration;

    34 import java.time.Instant;

    35 import java.util.List;

    36 

    37 import jdk.jfr.EventType;

    38 import jdk.jfr.Recording;

    39 import jdk.jfr.Timespan;

    40 import jdk.jfr.Timestamp;

    41 import jdk.jfr.ValueDescriptor;

    42 import jdk.jfr.consumer.RecordedEvent;

    43 import jdk.test.lib.jfr.EventNames;

    44 import jdk.test.lib.jfr.Events;

    45 

    46 /*

    47  * @test

    48  * @summary Tests that the recording properties are properly reflected in the ActiveRecording event

    49  * @key jfr

    50  * @library /test/lib

    51  * @run main/othervm jdk.jfr.event.runtime.TestActiveRecordingEvent

    52  */

    53 public final class TestActiveRecordingEvent {

    54 

    55     private static final String ACTIVE_RECORDING_EVENT_NAME = EventNames.ActiveRecording;

    56 

    57     private static final Path MY_JFR_FILEPATH = Paths.get("", "my.jfr");

    58 

    59     private static final long MAX_SIZE = 1000000L;

    60 

    61     private static final Duration MAX_AGE = Duration.ofDays(1);

    62 

    63     private static final Duration REC_DURATION = Duration.ofMinutes(10);

    64 

    65     private static final String REC_NAME = "MYNAME";

    66 

    67     public static void main(String[] args) throws Throwable {

    68         testWithPath(null);

    69         testWithPath(MY_JFR_FILEPATH);

    70     }

    71 

    72     private static void testWithPath(Path path) throws Throwable {

    73         Recording recording = new Recording();

    74         recording.enable(ACTIVE_RECORDING_EVENT_NAME);

    75 

    76         recording.setDuration(REC_DURATION);

    77         recording.setMaxSize(MAX_SIZE);

    78         recording.setMaxAge(MAX_AGE);

    79         recording.setName(REC_NAME);

    80         if (path != null) {

    81             recording.setToDisk(true);

    82             recording.setDestination(path);

    83         }

    84 

    85         long tsBeforeStart = Instant.now().toEpochMilli();

    86         recording.start();

    87         recording.stop();

    88         long tsAfterStop = Instant.now().toEpochMilli();

    89 

    90         List<RecordedEvent> events = Events.fromRecording(recording);

    91 

    92         Events.hasEvents(events);

    93         RecordedEvent ev = events.get(0);

    94 

    95         // Duration must be kept in milliseconds

    96         assertEquals(REC_DURATION.toMillis(), ev.getValue("recordingDuration"));

    97 

    98         assertEquals(MAX_SIZE, ev.getValue("maxSize"));

    99 

   100         // maxAge must be kept in milliseconds

   101         assertEquals(MAX_AGE.toMillis(), ev.getValue("maxAge"));

   102 

   103         EventType evType = ev.getEventType();

   104         ValueDescriptor durationField = evType.getField("recordingDuration");

   105         assertEquals(durationField.getAnnotation(Timespan.class).value(), Timespan.MILLISECONDS);

   106 

   107         if (path == null) {

   108             assertNull(ev.getValue("destination"));

   109         } else {

   110             assertEquals(path.toAbsolutePath().toString(), ev.getValue("destination").toString());

   111         }

   112 

   113         ValueDescriptor recordingStartField = evType.getField("recordingStart");

   114         assertEquals(recordingStartField.getAnnotation(Timestamp.class).value(), Timestamp.MILLISECONDS_SINCE_EPOCH);

   115 

   116         long tsRecordingStart = ev.getValue("recordingStart");

   117         assertTrue(tsBeforeStart <= tsRecordingStart);

   118         assertTrue(tsAfterStop >= tsRecordingStart);

   119 

   120         assertEquals(recording.getId(), ev.getValue("id"));

   121 

   122         ValueDescriptor maxAgeField = evType.getField("maxAge");

   123         assertEquals(maxAgeField.getAnnotation(Timespan.class).value(), Timespan.MILLISECONDS);

   124     }

   125 }