jdk.jfr.Configuration#getConfiguration

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

6 votes

public static void main(String... args) throws Exception {
    JVM jvm = JVM.getJVM();
    // Ensure that repeated failures can be handled
    for (int i = 1; i < 4; i++) {
        System.out.println("About to try failed initialization, attempt " + i + " out of 3");
        assertFailedInitialization(jvm);
        System.out.println("As expected, initialization failed.");
    }
    // Ensure that Flight Recorder can be initialized properly after failures
    Configuration defConfig = Configuration.getConfiguration("default");
    Recording r = new Recording(defConfig);
    r.start();
    r.stop();
    r.dump(Paths.get("recording.jfr"));
    r.close();
}

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

6 votes

public static void main(String... args) throws Exception {
    Configuration defaultConfig = Configuration.getConfiguration("default");
    // Memory
    Recording inMemory = new Recording(defaultConfig);
    inMemory.setToDisk(false);

    inMemory.start();

    Path memoryFile = Utils.createTempFile("start-stop-memory-recording", ".jfr");
    inMemory.dump(memoryFile);
    assertValid(memoryFile, "Not a valid memory file.");
    inMemory.stop();
    inMemory.close();
    // Disk
    Recording toDisk = new Recording(defaultConfig);
    toDisk.setToDisk(true);

    toDisk.start();
    toDisk.stop();
    Path diskFile = Utils.createTempFile("start-stop-disk-recording", ".jfr");
    toDisk.dump(diskFile);
    assertValid(diskFile, "Not a valid disk file.");
    toDisk.close();
}

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: TestCreateNative.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

public static void main(String... args) throws Exception {
    JVM jvm = JVM.getJVM();
    // Ensure that repeated failures can be handled
    for (int i = 1; i < 4; i++) {
        System.out.println("About to try failed initialization, attempt " + i + " out of 3");
        assertFailedInitialization(jvm);
        System.out.println("As expected, initialization failed.");
    }
    // Ensure that Flight Recorder can be initialized properly after failures
    Configuration defConfig = Configuration.getConfiguration("default");
    Recording r = new Recording(defConfig);
    r.start();
    r.stop();
    r.dump(Paths.get("recording.jfr"));
    r.close();
}

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

6 votes

public static void main(String... args) throws Exception {
    Configuration defaultConfig = Configuration.getConfiguration("default");
    // Memory
    Recording inMemory = new Recording(defaultConfig);
    inMemory.setToDisk(false);

    inMemory.start();

    Path memoryFile = Utils.createTempFile("start-stop-memory-recording", ".jfr");
    inMemory.dump(memoryFile);
    assertValid(memoryFile, "Not a valid memory file.");
    inMemory.stop();
    inMemory.close();
    // Disk
    Recording toDisk = new Recording(defaultConfig);
    toDisk.setToDisk(true);

    toDisk.start();
    toDisk.stop();
    Path diskFile = Utils.createTempFile("start-stop-disk-recording", ".jfr");
    toDisk.dump(diskFile);
    assertValid(diskFile, "Not a valid disk file.");
    toDisk.close();
}

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

6 votes

public static void main(String... args) throws Exception {
    JVM jvm = JVM.getJVM();
    // Ensure that repeated failures can be handled
    for (int i = 1; i < 4; i++) {
        System.out.println("About to try failed initialization, attempt " + i + " out of 3");
        assertFailedInitialization(jvm);
        System.out.println("As expected, initialization failed.");
    }
    // Ensure that Flight Recorder can be initialized properly after failures
    Configuration defConfig = Configuration.getConfiguration("default");
    Recording r = new Recording(defConfig);
    r.start();
    r.stop();
    r.dump(Paths.get("recording.jfr"));
    r.close();
}

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

6 votes

private static void makeRecordingWithChunks(int count, Path file) throws IOException, ParseException {
    Recording main = new Recording(Configuration.getConfiguration("default"));
    // default config disable all events, so ...
    main.enable(EventNames.JVMInformation);
    main.setToDisk(true);
    main.start();
    for (int i = 0; i < count; i++) {
        Recording r = new Recording();
        r.setToDisk(true);
        r.start();
        r.stop();
        r.close();
    }
    main.stop();
    main.dump(file);
    main.close();
}

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

6 votes

public static void main(String... args) throws Exception {
    Configuration defaultConfig = Configuration.getConfiguration("default");
    // Memory
    Recording inMemory = new Recording(defaultConfig);
    inMemory.setToDisk(false);

    inMemory.start();

    Path memoryFile = Files.createTempFile("memory-recording", ".jfr");
    inMemory.dump(memoryFile);
    assertValid(memoryFile, "Not a valid memory file.");
    inMemory.stop();
    inMemory.close();
    // Disk
    Recording toDisk = new Recording(defaultConfig);
    toDisk.setToDisk(true);

    toDisk.start();
    toDisk.stop();
    Path diskFile = Files.createTempFile("disk-recording", ".jfr");
    toDisk.dump(diskFile);
    assertValid(diskFile, "Not a valid disk file.");
    toDisk.close();
}

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

6 votes

private static void agentWork() throws Exception {
    try (Recording r = new Recording(Configuration.getConfiguration("default"))) {
        r.enable(EventNames.JavaExceptionThrow);
        r.setDestination(DUMP_PATH);
        r.start();
        Thread[] threads = new Thread[THREADS];
        for (int i = 0; i < THREADS; i++) {
            threads[i] = new Thread(EventEmitterAgent::emitEvents);
            threads[i].start();
        }
        for (int i = 0; i < THREADS; i++) {
            threads[i].join();
        }
        r.stop();
    }
}

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

5 votes

public static Path createProfilingRecording() throws Exception {
    Path file = Files.createTempFile("recording", ".jfr");
    // Create a recording with some data
    try (Recording r = new Recording(Configuration.getConfiguration("profile"))) {
        r.start();

        // Allocation event
        array = new Object[1000000];
        array = null;

        // Class loading event etc
        provokeClassLoading();

        // GC events
        System.gc();

        // ExecutionSample
        long t = System.currentTimeMillis();
        while (System.currentTimeMillis() - t < 50) {
            // do nothing
        }

        // Other periodic events, i.e CPU load
        Thread.sleep(1000);

        r.stop();
        r.dump(file);
    }

    return file;
}

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

5 votes

private static void makeRecordingWithChunks(int count, Path file) throws IOException, ParseException {
    Recording main = new Recording(Configuration.getConfiguration("default"));
    main.setToDisk(true);
    main.start();
    for (int i = 0; i < count; i++) {
        Recording r = new Recording();
        r.setToDisk(true);
        r.start();
        r.stop();
        r.close();
    }
    main.stop();
    main.dump(file);
    main.close();
}

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

5 votes

public static Path createProfilingRecording() throws Exception {
    Path file = Utils.createTempFile("profiling-recording", ".jfr");
    // Create a recording with some data
    try (Recording r = new Recording(Configuration.getConfiguration("profile"))) {
        r.start();

        // Allocation event
        array = new Object[1000000];
        array = null;

        // Class loading event etc
        provokeClassLoading();

        // GC events
        System.gc();

        // ExecutionSample
        long t = System.currentTimeMillis();
        while (System.currentTimeMillis() - t < 50) {
            // do nothing
        }

        // Other periodic events, i.e CPU load
        Thread.sleep(1000);

        r.stop();
        r.dump(file);
    }

    return file;
}

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

5 votes

public static Path createProfilingRecording() throws Exception {
    Path file = Files.createTempFile("recording", ".jfr");
    // Create a recording with some data
    try (Recording r = new Recording(Configuration.getConfiguration("profile"))) {
        r.start();

        // Allocation event
        array = new Object[1000000];
        array = null;

        // Class loading event etc
        provokeClassLoading();

        // GC events
        System.gc();

        // ExecutionSample
        long t = System.currentTimeMillis();
        while (System.currentTimeMillis() - t < 50) {
            // do nothing
        }

        // Other periodic events, i.e CPU load
        Thread.sleep(1000);

        r.stop();
        r.dump(file);
    }

    return file;
}

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

5 votes

public static void main(String[] args) throws Exception {
    // Increase the id for a recording
    for (int i = 0; i < 300; i++) {
        new Recording();
    }
    try (Recording r = new Recording(Configuration.getConfiguration("default"))) {
        r.start();
        r.stop();
        testDumpFilename();
        testDumpFilename(r);
        testDumpDiectory();
        testDumpDiectory(r);
    }
}

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

5 votes

public static void main(String[] args) throws Exception {
    // Increase the id for a recording
    for (int i = 0; i < 300; i++) {
        new Recording();
    }
    try (Recording r = new Recording(Configuration.getConfiguration("default"))) {
        r.start();
        r.stop();
        testDumpFilename();
        testDumpFilename(r);
        testDumpDiectory();
        testDumpDiectory(r);
    }
}

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

5 votes

private static void makeRecordingWithChunks(int count, Path file) throws IOException, ParseException {
    Recording main = new Recording(Configuration.getConfiguration("default"));
    main.setToDisk(true);
    main.start();
    for (int i = 0; i < count; i++) {
        Recording r = new Recording();
        r.setToDisk(true);
        r.start();
        r.stop();
        r.close();
    }
    main.stop();
    main.dump(file);
    main.close();
}

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

5 votes

public static Path createProfilingRecording() throws Exception {
    Path file = Utils.createTempFile("profiling-recording", ".jfr");
    // Create a recording with some data
    try (Recording r = new Recording(Configuration.getConfiguration("profile"))) {
        r.start();

        // Allocation event
        array = new Object[1000000];
        array = null;

        // Class loading event etc
        provokeClassLoading();

        // GC events
        System.gc();

        // ExecutionSample
        long t = System.currentTimeMillis();
        while (System.currentTimeMillis() - t < 50) {
            // do nothing
        }

        // Other periodic events, i.e CPU load
        Thread.sleep(1000);

        r.stop();
        r.dump(file);
    }

    return file;
}

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

4 votes

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);
        }
    }
}

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

4 votes

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);
        }
    }
}

Java Code Examples for jdk.jfr.Configuration#getConfiguration()