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

The following examples show how to use jdk.jfr.FlightRecorder#isInitialized() . 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: FlightRecorderMXBeanImpl.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public long openStream(long id, Map<String, String> options) throws IOException {
    MBeanUtils.checkControl();
    if (!FlightRecorder.isInitialized()) {
        throw new IllegalArgumentException("No recording available with id " + id);
    }
    // Make local copy to prevent concurrent modification
    Map<String, String> s = options == null ? new HashMap<>() : new HashMap<>(options);
    Instant starttime = MBeanUtils.parseTimestamp(s.get("startTime"), Instant.MIN);
    Instant endtime = MBeanUtils.parseTimestamp(s.get("endTime"), Instant.MAX);
    int blockSize = MBeanUtils.parseBlockSize(s.get("blockSize"), StreamManager.DEFAULT_BLOCK_SIZE);
    InputStream is = getExistingRecording(id).getStream(starttime, endtime);
    if (is == null) {
        throw new IOException("No recording data available");
    }
    return streamHandler.create(is, blockSize).getId();
}
Example 2
Source File: FlightRecorderMXBeanImpl.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public long openStream(long id, Map<String, String> options) throws IOException {
    MBeanUtils.checkControl();
    if (!FlightRecorder.isInitialized()) {
        throw new IllegalArgumentException("No recording available with id " + id);
    }
    // Make local copy to prevent concurrent modification
    Map<String, String> s = options == null ? new HashMap<>() : new HashMap<>(options);
    Instant starttime = MBeanUtils.parseTimestamp(s.get("startTime"), Instant.MIN);
    Instant endtime = MBeanUtils.parseTimestamp(s.get("endTime"), Instant.MAX);
    int blockSize = MBeanUtils.parseBlockSize(s.get("blockSize"), StreamManager.DEFAULT_BLOCK_SIZE);
    InputStream is = getExistingRecording(id).getStream(starttime, endtime);
    if (is == null) {
        throw new IOException("No recording data available");
    }
    return streamHandler.create(is, blockSize).getId();
}
Example 3
Source File: FlightRecorderMXBeanImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public long openStream(long id, Map<String, String> options) throws IOException {
    MBeanUtils.checkControl();
    if (!FlightRecorder.isInitialized()) {
        throw new IllegalArgumentException("No recording available with id " + id);
    }
    // Make local copy to prevent concurrent modification
    Map<String, String> s = options == null ? new HashMap<>() : new HashMap<>(options);
    Instant starttime = MBeanUtils.parseTimestamp(s.get("startTime"), Instant.MIN);
    Instant endtime = MBeanUtils.parseTimestamp(s.get("endTime"), Instant.MAX);
    int blockSize = MBeanUtils.parseBlockSize(s.get("blockSize"), StreamManager.DEFAULT_BLOCK_SIZE);
    InputStream is = getExistingRecording(id).getStream(starttime, endtime);
    if (is == null) {
        throw new IOException("No recording data available");
    }
    return streamHandler.create(is, blockSize).getId();
}
Example 4
Source File: PlatformRecorder.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
public synchronized static void addListener(FlightRecorderListener changeListener) {
    AccessControlContext context = AccessController.getContext();
    SecureRecorderListener sl = new SecureRecorderListener(context, changeListener);
    boolean runInitialized;
    synchronized (PlatformRecorder.class) {
        runInitialized = FlightRecorder.isInitialized();
        changeListeners.add(sl);
    }
    if (runInitialized) {
        sl.recorderInitialized(FlightRecorder.getFlightRecorder());
    }
}
Example 5
Source File: FlightRecorderMXBeanImpl.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public List<RecordingInfo> getRecordings() {
    MBeanUtils.checkMonitor();
    if (!FlightRecorder.isInitialized()) {
        return Collections.emptyList();
    }
    return MBeanUtils.transformList(getRecorder().getRecordings(), RecordingInfo::new);
}
Example 6
Source File: FlightRecorderMXBeanImpl.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
private Recording getExistingRecording(long id) {
    if (FlightRecorder.isInitialized()) {
        Recording recording = getRecording(id);
        if (recording != null) {
            return recording;
        }
    }
    throw new IllegalArgumentException("No recording available with id " + id);
}
Example 7
Source File: PlatformRecorder.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
public synchronized static void addListener(FlightRecorderListener changeListener) {
    AccessControlContext context = AccessController.getContext();
    SecureRecorderListener sl = new SecureRecorderListener(context, changeListener);
    boolean runInitialized;
    synchronized (PlatformRecorder.class) {
        runInitialized = FlightRecorder.isInitialized();
        changeListeners.add(sl);
    }
    if (runInitialized) {
        sl.recorderInitialized(FlightRecorder.getFlightRecorder());
    }
}
Example 8
Source File: FlightRecorderMXBeanImpl.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public List<RecordingInfo> getRecordings() {
    MBeanUtils.checkMonitor();
    if (!FlightRecorder.isInitialized()) {
        return Collections.emptyList();
    }
    return MBeanUtils.transformList(getRecorder().getRecordings(), RecordingInfo::new);
}
Example 9
Source File: FlightRecorderMXBeanImpl.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
private Recording getExistingRecording(long id) {
    if (FlightRecorder.isInitialized()) {
        Recording recording = getRecording(id);
        if (recording != null) {
            return recording;
        }
    }
    throw new IllegalArgumentException("No recording available with id " + id);
}
Example 10
Source File: PlatformRecorder.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
public synchronized static void addListener(FlightRecorderListener changeListener) {
    AccessControlContext context = AccessController.getContext();
    SecureRecorderListener sl = new SecureRecorderListener(context, changeListener);
    boolean runInitialized;
    synchronized (PlatformRecorder.class) {
        runInitialized = FlightRecorder.isInitialized();
        changeListeners.add(sl);
    }
    if (runInitialized) {
        sl.recorderInitialized(FlightRecorder.getFlightRecorder());
    }
}
Example 11
Source File: FlightRecorderMXBeanImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public List<RecordingInfo> getRecordings() {
    MBeanUtils.checkMonitor();
    if (!FlightRecorder.isInitialized()) {
        return Collections.emptyList();
    }
    return MBeanUtils.transformList(getRecorder().getRecordings(), RecordingInfo::new);
}
Example 12
Source File: FlightRecorderMXBeanImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
private Recording getExistingRecording(long id) {
    if (FlightRecorder.isInitialized()) {
        Recording recording = getRecording(id);
        if (recording != null) {
            return recording;
        }
    }
    throw new IllegalArgumentException("No recording available with id " + id);
}
Example 13
Source File: TestUnsupportedVM.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String... args) throws Exception {
    if (Boolean.getBoolean("prepare-recording")) {
        Recording r = new Recording(Configuration.getConfiguration("default"));
        r.start();
        r.stop();
        r.dump(RECORDING_FILE);
        r.close();
        return;
    }

    System.out.println("jdk.jfr.unsupportedvm=" + System.getProperty("jdk.jfr.unsupportedvm"));
    // Class FlightRecorder
    if (FlightRecorder.isAvailable()) {
        throw new AssertionError("JFR should not be available on an unsupported VM");
    }

    if (FlightRecorder.isInitialized()) {
        throw new AssertionError("JFR should not be initialized on an unsupported VM");
    }

    assertIllegalStateException(() -> FlightRecorder.getFlightRecorder());
    assertSwallow(() -> FlightRecorder.addListener(new FlightRecorderListener() {}));
    assertSwallow(() -> FlightRecorder.removeListener(new FlightRecorderListener() {}));
    assertSwallow(() -> FlightRecorder.register(MyEvent.class));
    assertSwallow(() -> FlightRecorder.unregister(MyEvent.class));
    assertSwallow(() -> FlightRecorder.addPeriodicEvent(MyEvent.class, new Runnable() { public void run() {} }));
    assertSwallow(() -> FlightRecorder.removePeriodicEvent(new Runnable() { public void run() {} }));

    // Class Configuration
    if (!Configuration.getConfigurations().isEmpty()) {
        throw new AssertionError("Configuration files should not exist on an unsupported VM");
    }
    Path jfcFile = Files.createTempFile("my", ".jfr");
    assertIOException(() -> Configuration.getConfiguration("default"));
    assertIOException(() -> Configuration.create(jfcFile));
    assertIOException(() -> Configuration.create(new FileReader(jfcFile.toFile())));

    // Class EventType
    assertInternalError(() -> EventType.getEventType(MyEvent.class));

    // Class EventFactory
    assertInternalError(() -> EventFactory.create(new ArrayList<>(), new ArrayList<>()));

    // Create a static event
    MyEvent myEvent = new MyEvent();
    myEvent.begin();
    myEvent.end();
    myEvent.shouldCommit();
    myEvent.commit();

    // Trigger class initialization failure
    for (Class<?> c : APIClasses) {
        assertNoClassInitFailure(c);
    }

    // jdk.jfr.consumer.*
    // Only run this part of tests if we are on VM
    // that can produce a recording file
    if (Files.exists(RECORDING_FILE)) {
        for(RecordedEvent re : RecordingFile.readAllEvents(RECORDING_FILE)) {
            System.out.println(re);
        }
    }
}
Example 14
Source File: TestUnsupportedVM.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String... args) throws Exception {
    if (Boolean.getBoolean("prepare-recording")) {
        Recording r = new Recording(Configuration.getConfiguration("default"));
        r.start();
        r.stop();
        r.dump(RECORDING_FILE);
        r.close();
        return;
    }

    System.out.println("jdk.jfr.unsupportedvm=" + System.getProperty("jdk.jfr.unsupportedvm"));
    // Class FlightRecorder
    if (FlightRecorder.isAvailable()) {
        throw new AssertionError("JFR should not be available on an unsupported VM");
    }

    if (FlightRecorder.isInitialized()) {
        throw new AssertionError("JFR should not be initialized on an unsupported VM");
    }

    assertIllegalStateException(() -> FlightRecorder.getFlightRecorder());
    assertSwallow(() -> FlightRecorder.addListener(new FlightRecorderListener() {}));
    assertSwallow(() -> FlightRecorder.removeListener(new FlightRecorderListener() {}));
    assertSwallow(() -> FlightRecorder.register(MyEvent.class));
    assertSwallow(() -> FlightRecorder.unregister(MyEvent.class));
    assertSwallow(() -> FlightRecorder.addPeriodicEvent(MyEvent.class, new Runnable() { public void run() {} }));
    assertSwallow(() -> FlightRecorder.removePeriodicEvent(new Runnable() { public void run() {} }));

    // Class Configuration
    if (!Configuration.getConfigurations().isEmpty()) {
        throw new AssertionError("Configuration files should not exist on an unsupported VM");
    }
    Path jfcFile = Utils.createTempFile("empty", ".jfr");
    assertIOException(() -> Configuration.getConfiguration("default"));
    assertIOException(() -> Configuration.create(jfcFile));
    assertIOException(() -> Configuration.create(new FileReader(jfcFile.toFile())));

    // Class EventType
    assertInternalError(() -> EventType.getEventType(MyEvent.class));

    // Class EventFactory
    assertInternalError(() -> EventFactory.create(new ArrayList<>(), new ArrayList<>()));

    // Create a static event
    MyEvent myEvent = new MyEvent();
    myEvent.begin();
    myEvent.end();
    myEvent.shouldCommit();
    myEvent.commit();

    // Trigger class initialization failure
    for (Class<?> c : APIClasses) {
        assertNoClassInitFailure(c);
    }

    // jdk.jfr.consumer.*
    // Only run this part of tests if we are on VM
    // that can produce a recording file
    if (Files.exists(RECORDING_FILE)) {
        for(RecordedEvent re : RecordingFile.readAllEvents(RECORDING_FILE)) {
            System.out.println(re);
        }
    }
}
Example 15
Source File: TestUnsupportedVM.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String... args) throws Exception {
    if (Boolean.getBoolean("prepare-recording")) {
        Recording r = new Recording(Configuration.getConfiguration("default"));
        r.start();
        r.stop();
        r.dump(RECORDING_FILE);
        r.close();
        return;
    }

    System.out.println("jdk.jfr.unsupportedvm=" + System.getProperty("jdk.jfr.unsupportedvm"));
    // Class FlightRecorder
    if (FlightRecorder.isAvailable()) {
        throw new AssertionError("JFR should not be available on an unsupported VM");
    }

    if (FlightRecorder.isInitialized()) {
        throw new AssertionError("JFR should not be initialized on an unsupported VM");
    }

    assertIllegalStateException(() -> FlightRecorder.getFlightRecorder());
    assertSwallow(() -> FlightRecorder.addListener(new FlightRecorderListener() {}));
    assertSwallow(() -> FlightRecorder.removeListener(new FlightRecorderListener() {}));
    assertSwallow(() -> FlightRecorder.register(MyEvent.class));
    assertSwallow(() -> FlightRecorder.unregister(MyEvent.class));
    assertSwallow(() -> FlightRecorder.addPeriodicEvent(MyEvent.class, new Runnable() { public void run() {} }));
    assertSwallow(() -> FlightRecorder.removePeriodicEvent(new Runnable() { public void run() {} }));

    // Class Configuration
    if (!Configuration.getConfigurations().isEmpty()) {
        throw new AssertionError("Configuration files should not exist on an unsupported VM");
    }
    Path jfcFile = Utils.createTempFile("empty", ".jfr");
    assertIOException(() -> Configuration.getConfiguration("default"));
    assertIOException(() -> Configuration.create(jfcFile));
    assertIOException(() -> Configuration.create(new FileReader(jfcFile.toFile())));

    // Class EventType
    assertInternalError(() -> EventType.getEventType(MyEvent.class));

    // Class EventFactory
    assertInternalError(() -> EventFactory.create(new ArrayList<>(), new ArrayList<>()));

    // Create a static event
    MyEvent myEvent = new MyEvent();
    myEvent.begin();
    myEvent.end();
    myEvent.shouldCommit();
    myEvent.commit();

    // Trigger class initialization failure
    for (Class<?> c : APIClasses) {
        assertNoClassInitFailure(c);
    }

    // jdk.jfr.consumer.*
    // Only run this part of tests if we are on VM
    // that can produce a recording file
    if (Files.exists(RECORDING_FILE)) {
        for(RecordedEvent re : RecordingFile.readAllEvents(RECORDING_FILE)) {
            System.out.println(re);
        }
    }
}