Java Code Examples for jdk.jfr.FlightRecorder#register()

The following examples show how to use jdk.jfr.FlightRecorder#register() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestActiveSettingEvent.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
private static void testUnregistered() throws Exception {
    FlightRecorder.register(MyEvent.class);
    EventType type = EventType.getEventType(MyEvent.class);
    FlightRecorder.unregister(MyEvent.class);
    try (Recording recording = new Recording()) {
        recording.enable(ACTIVE_SETTING_EVENT_NAME);
        recording.start();
        MyEvent m = new MyEvent();
        m.commit();
        recording.stop();
        List<RecordedEvent> events = Events.fromRecording(recording);
        Events.hasEvents(events);
        assertNotSetting(events, type, "threshold", "0 ns");
        assertNotSetting(events, type, "enabled", "true");
        assertNotSetting(events, type, "stackTrace", "true");
    }
}
Example 2
Source File: TestActiveSettingEvent.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
private static void testUnregistered() throws Exception {
    FlightRecorder.register(MyEvent.class);
    EventType type = EventType.getEventType(MyEvent.class);
    FlightRecorder.unregister(MyEvent.class);
    try (Recording recording = new Recording()) {
        recording.enable(ACTIVE_SETTING_EVENT_NAME);
        recording.start();
        MyEvent m = new MyEvent();
        m.commit();
        recording.stop();
        List<RecordedEvent> events = Events.fromRecording(recording);
        Events.hasEvents(events);
        assertNotSetting(events, type, "threshold", "0 ns");
        assertNotSetting(events, type, "enabled", "true");
        assertNotSetting(events, type, "stackTrace", "true");
    }
}
Example 3
Source File: TestActiveSettingEvent.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
private static void testUnregistered() throws Exception {
    FlightRecorder.register(MyEvent.class);
    EventType type = EventType.getEventType(MyEvent.class);
    FlightRecorder.unregister(MyEvent.class);
    try (Recording recording = new Recording()) {
        recording.enable(ACTIVE_SETTING_EVENT_NAME);
        recording.start();
        MyEvent m = new MyEvent();
        m.commit();
        recording.stop();
        List<RecordedEvent> events = Events.fromRecording(recording);
        Events.hasEvents(events);
        assertNotSetting(events, type, "threshold", "0 ns");
        assertNotSetting(events, type, "enabled", "true");
        assertNotSetting(events, type, "stackTrace", "true");
    }
}
Example 4
Source File: TestRecordingFile.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
private static void testReadEventTypeWithUnregistration(boolean disk, boolean background) throws Exception {
    FlightRecorder.register(Event1.class);
    FlightRecorder.register(Event2.class);
    FlightRecorder.register(Event3.class);
    Recording backgrundRecording = new Recording();
    if (disk) {
        backgrundRecording.setToDisk(disk);
    }
    if (background) {
        backgrundRecording.start();
    }
    recordAndVerify(disk, background,new int[] {1,2, 3}, new int[] {});
    FlightRecorder.unregister(Event2.class);
    recordAndVerify(disk, background,  new int[] {1, 3}, new int[] {2});
    FlightRecorder.unregister(Event1.class);
    FlightRecorder.register(Event2.class);
    recordAndVerify(disk,background, new int[] {2, 3}, new int[] {1});
    FlightRecorder.unregister(Event3.class);
    FlightRecorder.register(Event3.class);
    FlightRecorder.unregister(Event2.class);
    FlightRecorder.unregister(Event3.class);
    FlightRecorder.register(Event1.class);
    FlightRecorder.unregister(Event1.class);
    FlightRecorder.register(Event1.class);
    FlightRecorder.register(Event2.class);
    recordAndVerify(disk, background,new int[] {1, 2}, new int[] {3});
    if (background) {
        backgrundRecording.close();
    }
}
Example 5
Source File: TestRecordingFile.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
private static void testReadEventTypeWithUnregistration(boolean disk, boolean background) throws Exception {
    FlightRecorder.register(Event1.class);
    FlightRecorder.register(Event2.class);
    FlightRecorder.register(Event3.class);
    Recording backgrundRecording = new Recording();
    if (disk) {
        backgrundRecording.setToDisk(disk);
    }
    if (background) {
        backgrundRecording.start();
    }
    recordAndVerify(disk, background,new int[] {1,2, 3}, new int[] {});
    FlightRecorder.unregister(Event2.class);
    recordAndVerify(disk, background,  new int[] {1, 3}, new int[] {2});
    FlightRecorder.unregister(Event1.class);
    FlightRecorder.register(Event2.class);
    recordAndVerify(disk,background, new int[] {2, 3}, new int[] {1});
    FlightRecorder.unregister(Event3.class);
    FlightRecorder.register(Event3.class);
    FlightRecorder.unregister(Event2.class);
    FlightRecorder.unregister(Event3.class);
    FlightRecorder.register(Event1.class);
    FlightRecorder.unregister(Event1.class);
    FlightRecorder.register(Event1.class);
    FlightRecorder.register(Event2.class);
    recordAndVerify(disk, background,new int[] {1, 2}, new int[] {3});
    if (background) {
        backgrundRecording.close();
    }
}
Example 6
Source File: TestRecordingFile.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
private static void testReadEventTypeWithUnregistration(boolean disk, boolean background) throws Exception {
    FlightRecorder.register(Event1.class);
    FlightRecorder.register(Event2.class);
    FlightRecorder.register(Event3.class);
    Recording backgrundRecording = new Recording();
    if (disk) {
        backgrundRecording.setToDisk(disk);
    }
    if (background) {
        backgrundRecording.start();
    }
    recordAndVerify(disk, background,new int[] {1,2, 3}, new int[] {});
    FlightRecorder.unregister(Event2.class);
    recordAndVerify(disk, background,  new int[] {1, 3}, new int[] {2});
    FlightRecorder.unregister(Event1.class);
    FlightRecorder.register(Event2.class);
    recordAndVerify(disk,background, new int[] {2, 3}, new int[] {1});
    FlightRecorder.unregister(Event3.class);
    FlightRecorder.register(Event3.class);
    FlightRecorder.unregister(Event2.class);
    FlightRecorder.unregister(Event3.class);
    FlightRecorder.register(Event1.class);
    FlightRecorder.unregister(Event1.class);
    FlightRecorder.register(Event1.class);
    FlightRecorder.register(Event2.class);
    recordAndVerify(disk, background,new int[] {1, 2}, new int[] {3});
    if (background) {
        backgrundRecording.close();
    }
}
Example 7
Source File: TestClonedEvent.java    From dragonwell8_jdk with GNU General Public License v2.0 3 votes vote down vote up 
public static void main(String[] args) throws Throwable {
    Recording r = new Recording();
    r.enable(MyEvent.class);

    r.start();

    MyEvent event = new MyEvent();

    MyEvent event2 = (MyEvent)event.clone();

    FlightRecorder.register(MyEvent.class);
    event.commit();
    event2.commit();

    r.stop();

    List<RecordedEvent> events = Events.fromRecording(r);
    Asserts.assertEquals(2, events.size());

    r.close();

    FlightRecorder.unregister(MyEvent.class);

    Recording r2 = new Recording();
    r2.enable(MyEvent.class);

    r2.start();
    event.commit();
    event2.commit();

    r2.stop();

    events = Events.fromRecording(r2);
    Asserts.assertEquals(0, events.size());

    r2.close();
}
Example 8
Source File: TestClonedEvent.java    From TencentKona-8 with GNU General Public License v2.0 3 votes vote down vote up 
public static void main(String[] args) throws Throwable {
    Recording r = new Recording();
    r.enable(MyEvent.class);

    r.start();

    MyEvent event = new MyEvent();

    MyEvent event2 = (MyEvent)event.clone();

    FlightRecorder.register(MyEvent.class);
    event.commit();
    event2.commit();

    r.stop();

    List<RecordedEvent> events = Events.fromRecording(r);
    Asserts.assertEquals(2, events.size());

    r.close();

    FlightRecorder.unregister(MyEvent.class);

    Recording r2 = new Recording();
    r2.enable(MyEvent.class);

    r2.start();
    event.commit();
    event2.commit();

    r2.stop();

    events = Events.fromRecording(r2);
    Asserts.assertEquals(0, events.size());

    r2.close();
}
Example 9
Source File: TestClonedEvent.java    From openjdk-jdk8u with GNU General Public License v2.0 3 votes vote down vote up 
public static void main(String[] args) throws Throwable {
    Recording r = new Recording();
    r.enable(MyEvent.class);

    r.start();

    MyEvent event = new MyEvent();

    MyEvent event2 = (MyEvent)event.clone();

    FlightRecorder.register(MyEvent.class);
    event.commit();
    event2.commit();

    r.stop();

    List<RecordedEvent> events = Events.fromRecording(r);
    Asserts.assertEquals(2, events.size());

    r.close();

    FlightRecorder.unregister(MyEvent.class);

    Recording r2 = new Recording();
    r2.enable(MyEvent.class);

    r2.start();
    event.commit();
    event2.commit();

    r2.stop();

    events = Events.fromRecording(r2);
    Asserts.assertEquals(0, events.size());

    r2.close();
}