jdk.management.jfr.FlightRecorderMXBean Java Exaples

Source File: TestRecordingState.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    List<RecordingInfo> preCreateRecordings = bean.getRecordings();
    long recId = bean.newRecording();
    JmxHelper.verifyNotExists(recId, preCreateRecordings);
    JmxHelper.verifyState(recId, RecordingState.NEW, bean);

    bean.startRecording(recId);
    JmxHelper.verifyState(recId, RecordingState.RUNNING, bean);

    bean.stopRecording(recId);
    JmxHelper.verifyState(recId, RecordingState.STOPPED, bean);

    bean.closeRecording(recId);
    JmxHelper.verifyNotExists(recId, bean.getRecordings());
}

Source File: TestCopyToRunning.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = bean.newRecording();
    bean.startRecording(recId);
    SimpleEventHelper.createEvent(1);

    Path path = Paths.get(".", "my.jfr");
    bean.copyTo(recId, path.toString());

    List<RecordedEvent> events = RecordingFile.readAllEvents(path);
    Asserts.assertTrue(events.iterator().hasNext(), "No events found");
    for (RecordedEvent event : events) {
        System.out.println("Event:" + event);
    }

    Recording recording = getRecording(recId);
    Asserts.assertEquals(recording.getState(), RecordingState.RUNNING, "Recording not in state running");
    bean.stopRecording(recId);
    Asserts.assertEquals(recording.getState(), RecordingState.STOPPED, "Recording not in state stopped");
    bean.closeRecording(recId);
    Asserts.assertEquals(recording.getState(), RecordingState.CLOSED, "Recording not in state closed");
}

Source File: TestPredefinedConfiguration.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = bean.newRecording();
    List<String> configNames = new ArrayList<>();
    for (Configuration config : Configuration.getConfigurations()) {
        System.out.println("name=" + config.getName());
        configNames.add(config.getName());
        bean.setPredefinedConfiguration(recId, config.getName());

        RecordingInfo jmxRecording = JmxHelper.getJmxRecording(recId);
        JmxHelper.verifyMapEquals(jmxRecording.getSettings(), config.getSettings());
        JmxHelper.verifyMapEquals(bean.getRecordingSettings(recId), config.getSettings());
    }
    Asserts.assertTrue(configNames.contains("default"), "Missing config 'default'");
    Asserts.assertTrue(configNames.contains("profile"), "Missing config 'profile'");
}

Source File: TestPredefinedConfiguration.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = bean.newRecording();
    List<String> configNames = new ArrayList<>();
    for (Configuration config : Configuration.getConfigurations()) {
        System.out.println("name=" + config.getName());
        configNames.add(config.getName());
        bean.setPredefinedConfiguration(recId, config.getName());

        RecordingInfo jmxRecording = JmxHelper.getJmxRecording(recId);
        JmxHelper.verifyMapEquals(jmxRecording.getSettings(), config.getSettings());
        JmxHelper.verifyMapEquals(bean.getRecordingSettings(recId), config.getSettings());
    }
    Asserts.assertTrue(configNames.contains("default"), "Missing config 'default'");
    Asserts.assertTrue(configNames.contains("profile"), "Missing config 'profile'");
}

Source File: TestCopyTo.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = bean.newRecording();
    bean.startRecording(recId);
    SimpleEventHelper.createEvent(1);
    bean.stopRecording(recId);

    Path path = Paths.get(".", "my.jfr");
    bean.copyTo(recId, path.toString());

    List<RecordedEvent> events = RecordingFile.readAllEvents(path);
    Asserts.assertTrue(events.iterator().hasNext(), "No events found");
    for (RecordedEvent event : events) {
        System.out.println("Event:" + event);
    }

    bean.closeRecording(recId);
}

Source File: TestNoControlPermission.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    try {
        FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

        int dummyId = 1;
        java.util.Map<String, String> dummyMap = new java.util.HashMap<>();

        verifySecurityException(() -> bean.takeSnapshot(), "takeSnapshot()");
        verifySecurityException(() -> bean.newRecording(), "newRecording()");
        verifySecurityException(() -> bean.startRecording(dummyId), "startRecording()");
        verifySecurityException(() -> bean.stopRecording(dummyId), "stopRecording()");
        verifySecurityException(() -> bean.closeRecording(dummyId), "closeRecording()");
        verifySecurityException(() -> bean.openStream(dummyId, null), "openStream()");
        verifySecurityException(() -> bean.closeStream(dummyId), "closeStream()");
        verifySecurityException(() -> bean.setConfiguration(dummyId, "dummy"), "setConfiguration()");
        verifySecurityException(() -> bean.setPredefinedConfiguration(dummyId, "dummy"), "setPredefinedConfiguration()");
        verifySecurityException(() -> bean.setRecordingSettings(dummyId, dummyMap), "setRecordingSettings()");
        verifySecurityException(() -> bean.setRecordingOptions(dummyId, dummyMap), "setRecordingOptions()");
        verifySecurityException(() -> bean.copyTo(dummyId, "."), "dumpRecording()");
    } catch (Throwable t) {
        t.printStackTrace();
        throw t;
    }
}

Source File: TestCloneRepeat.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long orgId = bean.newRecording();
    bean.startRecording(orgId);

    List<Integer> ids = new ArrayList<>();
    for (int i=0; i<5; i++) {
        long cloneId = bean.cloneRecording(orgId, false);
        SimpleEventHelper.createEvent(i);
        bean.stopRecording(cloneId);
        Path path = Paths.get(".", i + "-org.jfr");
        bean.copyTo(cloneId, path.toString());
        bean.closeRecording(cloneId);
        ids.add(i);
        verifyEvents(path, ids);
    }

    bean.closeRecording(orgId);
}

Source File: TestEnoughPermission.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

private static long testRecording(FlightRecorderMXBean bean) throws Exception {
    System.out.println("A");
    long recId = bean.newRecording();
    System.out.println("B");
    bean.setPredefinedConfiguration(recId, "profile");
    System.out.println("C");
    bean.startRecording(recId);
    System.out.println("D");
    Asserts.assertTrue(bean.getRecordings().stream().anyMatch(r -> { return r.getId() == recId; }), "recId not found");
    System.out.println("E");
    bean.stopRecording(recId);

    final Path path = Paths.get(".", String.format("rec%d.jfr", recId));
    bean.copyTo(recId, path.toString());
    //EventSet events = EventSet.fromFile(path);
    return recId;
}

Source File: TestCloneRepeat.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long orgId = bean.newRecording();
    bean.startRecording(orgId);

    List<Integer> ids = new ArrayList<>();
    for (int i=0; i<5; i++) {
        long cloneId = bean.cloneRecording(orgId, false);
        SimpleEventHelper.createEvent(i);
        bean.stopRecording(cloneId);
        Path path = Paths.get(".", i + "-org.jfr");
        bean.copyTo(cloneId, path.toString());
        bean.closeRecording(cloneId);
        ids.add(i);
        verifyEvents(path, ids);
    }

    bean.closeRecording(orgId);
}

Source File: TestSnapshot.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

private static void testStopped() throws IOException {
    try (Recording r = new Recording()) {
        r.enable(SimpleEvent.class);
        r.start();
        SimpleEvent se = new SimpleEvent();
        se.commit();
        r.stop();

        try (Recording snapshot = FlightRecorder.getFlightRecorder().takeSnapshot()) {
            r.close();
            FlightRecorderMXBean mxBean = JmxHelper.getFlighteRecorderMXBean();
            List<RecordingInfo> recs = mxBean.getRecordings();
            JmxHelper.verifyEquals(recs.get(0), snapshot);
        }
    }
}

Source File: TestMultipleRecordings.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
    System.out.println("bean.class=" + bean.getClass().getName());

    // Start recA
    long recIdA = createRecording(bean);
    startRecording(recIdA, bean);

    // Start recB
    long recIdB = createRecording(bean);
    startRecording(recIdB, bean);

    // Stop and destroy recA
    stopRecording(recIdA, bean);
    destroyRecording(recIdA, bean);

    // Start, stop and destroy recC
    long recIdC = createRecording(bean);
    startRecording(recIdC, bean);
    stopRecording(recIdC, bean);
    destroyRecording(recIdC, bean);

    // Stop and destroy recB
    stopRecording(recIdB, bean);
    destroyRecording(recIdB, bean);
}

Source File: TestRecordingInfo.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    Recording recording = new Recording(Configuration.getConfiguration("profile"));
    recording.setDestination(Paths.get(".", "my.jfr"));
    recording.setDumpOnExit(true);
    recording.setDuration(Duration.ofSeconds(60));
    recording.setMaxAge(Duration.ofHours(1));
    recording.setMaxSize(123456789);
    recording.setName("myName");
    recording.enable("java.exception_throw").with("threashold", "2 s");
    recording.setToDisk(true);

    recording.start();
    CommonHelper.verifyRecordingState(recording, RecordingState.RUNNING); // Wait until running

    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
    RecordingInfo info = JmxHelper.verifyExists(recording.getId(), bean.getRecordings());

    System.out.println(JmxHelper.asString(recording));
    System.out.println(JmxHelper.asString(info));
    JmxHelper.verifyEquals(info, recording);

    recording.stop();
    recording.close();
}

Source File: FlightRecorderMXBeanProvider.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static FlightRecorderMXBean getFlightRecorderMXBean() {
    FlightRecorderMXBean bean = flightRecorderMXBean;
    if (bean == null) {
        SettingDescriptorInfo.from(null); // Sets flightRecorderMXBeanFactory under <clinit> lock
        synchronized (flightRecorderMXBeanFactory) {
            bean = flightRecorderMXBean;
            if (bean != null) {
                return bean;
            }
            try {
                bean = flightRecorderMXBean = flightRecorderMXBeanFactory.call();
            } catch (Exception e) {
                ManagementSupport.logError("Could not create Flight Recorder "
                        + "instance for MBeanServer. " + e.getMessage());
            }
        }
    }
    return bean;
}

Source File: TestRecordingStateInvalid.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = createRecording(bean);
    verifyIllegalState(()->{ bean.stopRecording(recId); }, "Stop not started");

    startRecording(recId, bean);
    verifyIllegalState(()->{ bean.startRecording(recId); }, "Start already started");

    stopRecording(recId, bean);
    verifyIllegalState(()->{ bean.startRecording(recId); }, "Start already stopped");
    verifyIllegalState(()->{ bean.stopRecording(recId); }, "Stop already stopped");

    destroyRecording(recId, bean);
    verifyIllegalArg(()->{ bean.startRecording(recId); }, "Start already destroyed");
    verifyIllegalArg(()->{ bean.stopRecording(recId); }, "Stop already destroyed");

}

Source File: TestStartRecording.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
    long recId = bean.newRecording();
    bean.startRecording(recId);

    // TODO: Remove debug logs
    List<ConfigurationInfo> configs = bean.getConfigurations();
    for (ConfigurationInfo config : configs) {
        System.out.println("config=" + config.toString());
    }
    Map<String, String> settings = bean.getRecordingSettings(recId);
    for (String key : settings.keySet()) {
        System.out.println("setting: " + key + "=" + settings.get(key));
    }
    List<EventTypeInfo> types = bean.getEventTypes();
    for (EventTypeInfo type : types) {
        System.out.println("type=" + type.getName());
    }
    //////////////////////

    bean.stopRecording(recId);
    bean.closeRecording(recId);
}

Source File: TestMultipleRecordings.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
    System.out.println("bean.class=" + bean.getClass().getName());

    // Start recA
    long recIdA = createRecording(bean);
    startRecording(recIdA, bean);

    // Start recB
    long recIdB = createRecording(bean);
    startRecording(recIdB, bean);

    // Stop and destroy recA
    stopRecording(recIdA, bean);
    destroyRecording(recIdA, bean);

    // Start, stop and destroy recC
    long recIdC = createRecording(bean);
    startRecording(recIdC, bean);
    stopRecording(recIdC, bean);
    destroyRecording(recIdC, bean);

    // Stop and destroy recB
    stopRecording(recIdB, bean);
    destroyRecording(recIdB, bean);
}

Source File: TestCloneRepeat.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long orgId = bean.newRecording();
    bean.startRecording(orgId);

    List<Integer> ids = new ArrayList<>();
    for (int i=0; i<5; i++) {
        long cloneId = bean.cloneRecording(orgId, false);
        SimpleEventHelper.createEvent(i);
        bean.stopRecording(cloneId);
        Path path = Paths.get(".", i + "-org.jfr");
        bean.copyTo(cloneId, path.toString());
        bean.closeRecording(cloneId);
        ids.add(i);
        verifyEvents(path, ids);
    }

    bean.closeRecording(orgId);
}

Source File: TestRecordingState.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    List<RecordingInfo> preCreateRecordings = bean.getRecordings();
    long recId = bean.newRecording();
    JmxHelper.verifyNotExists(recId, preCreateRecordings);
    JmxHelper.verifyState(recId, RecordingState.NEW, bean);

    bean.startRecording(recId);
    JmxHelper.verifyState(recId, RecordingState.RUNNING, bean);

    bean.stopRecording(recId);
    JmxHelper.verifyState(recId, RecordingState.STOPPED, bean);

    bean.closeRecording(recId);
    JmxHelper.verifyNotExists(recId, bean.getRecordings());
}

Source File: TestCopyTo.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = bean.newRecording();
    bean.startRecording(recId);
    SimpleEventHelper.createEvent(1);
    bean.stopRecording(recId);

    Path path = Paths.get(".", "my.jfr");
    bean.copyTo(recId, path.toString());

    List<RecordedEvent> events = RecordingFile.readAllEvents(path);
    Asserts.assertTrue(events.iterator().hasNext(), "No events found");
    for (RecordedEvent event : events) {
        System.out.println("Event:" + event);
    }

    bean.closeRecording(recId);
}

Source File: TestRecordingStateInvalid.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = createRecording(bean);
    verifyIllegalState(()->{ bean.stopRecording(recId); }, "Stop not started");

    startRecording(recId, bean);
    verifyIllegalState(()->{ bean.startRecording(recId); }, "Start already started");

    stopRecording(recId, bean);
    verifyIllegalState(()->{ bean.startRecording(recId); }, "Start already stopped");
    verifyIllegalState(()->{ bean.stopRecording(recId); }, "Stop already stopped");

    destroyRecording(recId, bean);
    verifyIllegalArg(()->{ bean.startRecording(recId); }, "Start already destroyed");
    verifyIllegalArg(()->{ bean.stopRecording(recId); }, "Stop already destroyed");

}

Source File: TestNoControlPermission.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    try {
        FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

        int dummyId = 1;
        java.util.Map<String, String> dummyMap = new java.util.HashMap<>();

        verifySecurityException(() -> bean.takeSnapshot(), "takeSnapshot()");
        verifySecurityException(() -> bean.newRecording(), "newRecording()");
        verifySecurityException(() -> bean.startRecording(dummyId), "startRecording()");
        verifySecurityException(() -> bean.stopRecording(dummyId), "stopRecording()");
        verifySecurityException(() -> bean.closeRecording(dummyId), "closeRecording()");
        verifySecurityException(() -> bean.openStream(dummyId, null), "openStream()");
        verifySecurityException(() -> bean.closeStream(dummyId), "closeStream()");
        verifySecurityException(() -> bean.setConfiguration(dummyId, "dummy"), "setConfiguration()");
        verifySecurityException(() -> bean.setPredefinedConfiguration(dummyId, "dummy"), "setPredefinedConfiguration()");
        verifySecurityException(() -> bean.setRecordingSettings(dummyId, dummyMap), "setRecordingSettings()");
        verifySecurityException(() -> bean.setRecordingOptions(dummyId, dummyMap), "setRecordingOptions()");
        verifySecurityException(() -> bean.copyTo(dummyId, "."), "dumpRecording()");
    } catch (Throwable t) {
        t.printStackTrace();
        throw t;
    }
}

Source File: TestNotificationListenerPermission.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    try {
        System.getProperty("user.name");
        Asserts.fail("Didn't get security exception. Test not configured propertly?");
    } catch (SecurityException se) {
        // as expected
    }
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
    TestListener testListener = new TestListener();
    ManagementFactory.getPlatformMBeanServer().addNotificationListener(new ObjectName(FlightRecorderMXBean.MXBEAN_NAME), testListener, null, null);
    long id = bean.newRecording();
    bean.startRecording(id);
    testListener.awaitNotication();
    Asserts.assertTrue(gotSecurityException, "Should not get elevated privileges in notification handler!");
    bean.stopRecording(id);
    bean.closeRecording(id);
}

Source File: TestNoControlPermission.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    try {
        FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

        int dummyId = 1;
        java.util.Map<String, String> dummyMap = new java.util.HashMap<>();

        verifySecurityException(() -> bean.takeSnapshot(), "takeSnapshot()");
        verifySecurityException(() -> bean.newRecording(), "newRecording()");
        verifySecurityException(() -> bean.startRecording(dummyId), "startRecording()");
        verifySecurityException(() -> bean.stopRecording(dummyId), "stopRecording()");
        verifySecurityException(() -> bean.closeRecording(dummyId), "closeRecording()");
        verifySecurityException(() -> bean.openStream(dummyId, null), "openStream()");
        verifySecurityException(() -> bean.closeStream(dummyId), "closeStream()");
        verifySecurityException(() -> bean.setConfiguration(dummyId, "dummy"), "setConfiguration()");
        verifySecurityException(() -> bean.setPredefinedConfiguration(dummyId, "dummy"), "setPredefinedConfiguration()");
        verifySecurityException(() -> bean.setRecordingSettings(dummyId, dummyMap), "setRecordingSettings()");
        verifySecurityException(() -> bean.setRecordingOptions(dummyId, dummyMap), "setRecordingOptions()");
        verifySecurityException(() -> bean.copyTo(dummyId, "."), "dumpRecording()");
    } catch (Throwable t) {
        t.printStackTrace();
        throw t;
    }
}

Source File: TestNotificationListenerPermission.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    try {
        System.getProperty("user.name");
        Asserts.fail("Didn't get security exception. Test not configured propertly?");
    } catch (SecurityException se) {
        // as expected
    }
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
    TestListener testListener = new TestListener();
    ManagementFactory.getPlatformMBeanServer().addNotificationListener(new ObjectName(FlightRecorderMXBean.MXBEAN_NAME), testListener, null, null);
    long id = bean.newRecording();
    bean.startRecording(id);
    testListener.awaitNotication();
    Asserts.assertTrue(gotSecurityException, "Should not get elevated privileges in notification handler!");
    bean.stopRecording(id);
    bean.closeRecording(id);
}

Source File: TestStartRecording.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
    long recId = bean.newRecording();
    bean.startRecording(recId);

    // TODO: Remove debug logs
    List<ConfigurationInfo> configs = bean.getConfigurations();
    for (ConfigurationInfo config : configs) {
        System.out.println("config=" + config.toString());
    }
    Map<String, String> settings = bean.getRecordingSettings(recId);
    for (String key : settings.keySet()) {
        System.out.println("setting: " + key + "=" + settings.get(key));
    }
    List<EventTypeInfo> types = bean.getEventTypes();
    for (EventTypeInfo type : types) {
        System.out.println("type=" + type.getName());
    }
    //////////////////////

    bean.stopRecording(recId);
    bean.closeRecording(recId);
}

Source File: TestCopyToInvalidPath.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = bean.newRecording();
    bean.startRecording(recId);
    SimpleEventHelper.createEvent(1);
    bean.stopRecording(recId);

    CommonHelper.verifyException(()->{bean.copyTo(recId, null);}, "copyTo(null)", NullPointerException.class);
    CommonHelper.verifyException(()->{bean.copyTo(recId, "");}, "copyTo('')", IOException.class);

    String p = Paths.get(".", "thisdir", "doesnot", "exists").toString();
    CommonHelper.verifyException(()->{bean.copyTo(recId, p);}, "copyTo(dirNotExist)", IOException.class);

    bean.closeRecording(recId);
}

Source File: TestStream.java From TencentKona-8 with GNU General Public License v2.0

5 votes

private static void verifyStream(FlightRecorderMXBean bean, long recId, Map<String, String> options) throws IOException, Exception {
    long streamId = bean.openStream(recId, options);

    List<RecordedEvent> events = JmxHelper.parseStream(streamId, bean);
    SimpleEventHelper.verifyContains(events, 1);
    SimpleEventHelper.verifyNotContains(events, 0, 2);
    bean.closeStream(streamId);
}

Source File: TestStreamMultiple.java From openjdk-jdk8u with GNU General Public License v2.0

5 votes

public static void main(String[] args) throws Exception {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    SimpleEventHelper.createEvent(0); // No recordings

    long recIdA = bean.newRecording();

    bean.startRecording(recIdA);
    SimpleEventHelper.createEvent(1); // recA

    long recIdB = bean.newRecording();
    Asserts.assertNotEquals(recIdA, recIdB, "Recording Ids should be unique");
    bean.startRecording(recIdB);
    SimpleEventHelper.createEvent(2); // recA and recB

    bean.stopRecording(recIdA);
    SimpleEventHelper.createEvent(3); // recB

    bean.stopRecording(recIdB);
    SimpleEventHelper.createEvent(4); // No recordings

    // Check recA
    long streamIdA = bean.openStream(recIdA, null);
    List<RecordedEvent> events = JmxHelper.parseStream(streamIdA, bean);
    SimpleEventHelper.verifyContains(events, 1, 2);
    SimpleEventHelper.verifyNotContains(events, 0, 3, 4);
    bean.closeStream(streamIdA);
    // check recB
    long streamIdB = bean.openStream(recIdB, null);
    events = JmxHelper.parseStream(streamIdB, bean);
    SimpleEventHelper.verifyContains(events, 2, 3);
    SimpleEventHelper.verifyNotContains(events, 0, 1, 4);
    bean.closeStream(streamIdB);

    bean.closeRecording(recIdA);
    bean.closeRecording(recIdB);
}

Source File: TestCopyToReadOnlyDir.java From TencentKona-8 with GNU General Public License v2.0

5 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

    long recId = bean.newRecording();
    bean.startRecording(recId);
    SimpleEventHelper.createEvent(1);
    bean.stopRecording(recId);

    Path readOnlyDir = FileHelper.createReadOnlyDir(Paths.get(".", "readOnlyDir"));
    System.out.println("readOnlyDir=" + readOnlyDir.toString());
    Asserts.assertTrue(readOnlyDir.toFile().isDirectory(), "Could not create directory. Test error");
    if (!FileHelper.isReadOnlyPath(readOnlyDir)) {
        System.out.println("Failed to create read-only dir. Maybe running as root? Skipping test");
        return;
    }

    Path file = Paths.get(readOnlyDir.toString(), "my.jfr");
    System.out.println("file=" + file.toString());
    try {
        bean.copyTo(recId, file.toString());
        Asserts.fail("Should be able to dump to read only file");
    } catch (AccessDeniedException e) {
        // ok as expected
    }

    bean.closeRecording(recId);
}

Source File: TestGetRecordings.java From TencentKona-8 with GNU General Public License v2.0

5 votes

public static void main(String[] args) throws Throwable {
    FlightRecorderMXBean bean =JmxHelper.getFlighteRecorderMXBean();

    List<RecordingInfo> preCreateRecordings = bean.getRecordings();
    long recId = bean.newRecording();
    JmxHelper.verifyNotExists(recId, preCreateRecordings);
    bean.closeRecording(recId);
    JmxHelper.verifyNotExists(recId, bean.getRecordings());
}

jdk.management.jfr.FlightRecorderMXBean Java Examples