jdk.jfr.internal.Options Java Examples

private static Object getOption(String name) {
    switch (name) {
        case DUMPPATH: return Options.getDumpPath().toString();
        case STACK_DEPTH: return Options.getStackDepth();
        case GLOBAL_BUFFER_COUNT: return Options.getGlobalBufferCount();
        case GLOBAL_BUFFER_SIZE: return Options.getGlobalBufferSize();
        case THREAD_BUFFER_SIZE: return Options.getThreadBufferSize();
        case MAX_CHUNK_SIZE: return Options.getMaxChunkSize();
        case SAMPLE_THREADS: return Options.getSampleThreads();
        default: throw new RuntimeException("Unknown option " + name);
    }
}
 

/**
 * Returns the Flight Recorder for the platform.
 *
 * @return a Flight Recorder instance, not {@code null}
 *
 * @throws IllegalStateException if the platform Flight Recorder couldn't be
 *         created (for example, if the file repository can't be created or
 *         accessed)
 *
 * @throws SecurityException if a security manager exists and the caller does
 *         not have {@code FlightRecorderPermission("accessFlightRecorder")}
 */
public static FlightRecorder getFlightRecorder() throws IllegalStateException, SecurityException {
    synchronized (PlatformRecorder.class) {
        Utils.checkAccessFlightRecorder();
        JVMSupport.ensureWithIllegalStateException();
        if (platformRecorder == null) {
            try {
                platformRecorder = new FlightRecorder(new PlatformRecorder());
            } catch (IllegalStateException ise) {
                throw ise;
            } catch (Exception e) {
                throw new IllegalStateException("Can't create Flight Recorder. " + e.getMessage(), e);
            }
            // Must be in synchronized block to prevent instance leaking out
            // before initialization is done
            initialized = true;
            Logger.log(JFR, INFO, "Flight Recorder initialized");
            Logger.log(JFR, DEBUG, "maxchunksize: " + Options.getMaxChunkSize()+ " bytes");
            Logger.log(JFR, DEBUG, "memorysize: " + Options.getMemorySize()+ " bytes");
            Logger.log(JFR, DEBUG, "globalbuffersize: " + Options.getGlobalBufferSize()+ " bytes");
            Logger.log(JFR, DEBUG, "globalbuffercount: " + Options.getGlobalBufferCount());
            Logger.log(JFR, DEBUG, "dumppath: " + Options.getDumpPath());
            Logger.log(JFR, DEBUG, "samplethreads: " + Options.getSampleThreads());
            Logger.log(JFR, DEBUG, "stackdepth: " + Options.getStackDepth());
            Logger.log(JFR, DEBUG, "threadbuffersize: " + Options.getThreadBufferSize());
            Logger.log(JFR, LogLevel.INFO, "Created repository " + Repository.getRepository().getRepositoryPath().toString());
            PlatformRecorder.notifyRecorderInitialized(platformRecorder);
        }
    }
    return platformRecorder;
}
 

private static Object getOption(String name) {
    switch (name) {
        case DUMPPATH: return Options.getDumpPath().toString();
        case STACK_DEPTH: return Options.getStackDepth();
        case GLOBAL_BUFFER_COUNT: return Options.getGlobalBufferCount();
        case GLOBAL_BUFFER_SIZE: return Options.getGlobalBufferSize();
        case THREAD_BUFFER_SIZE: return Options.getThreadBufferSize();
        case MAX_CHUNK_SIZE: return Options.getMaxChunkSize();
        case SAMPLE_THREADS: return Options.getSampleThreads();
        default: throw new RuntimeException("Unknown option " + name);
    }
}
 

/**
 * Returns the Flight Recorder for the platform.
 *
 * @return a Flight Recorder instance, not {@code null}
 *
 * @throws IllegalStateException if Flight Recorder can't be created (for
 *         example, if the Java Virtual Machine (JVM) lacks Flight Recorder
 *         support, or if the file repository can't be created or accessed)
 *
 * @throws SecurityException if a security manager exists and the caller does
 *         not have {@code FlightRecorderPermission("accessFlightRecorder")}
 */
public static FlightRecorder getFlightRecorder() throws IllegalStateException, SecurityException {
    synchronized (PlatformRecorder.class) {
        Utils.checkAccessFlightRecorder();
        JVMSupport.ensureWithIllegalStateException();
        if (platformRecorder == null) {
            try {
                platformRecorder = new FlightRecorder(new PlatformRecorder());
            } catch (IllegalStateException ise) {
                throw ise;
            } catch (Exception e) {
                throw new IllegalStateException("Can't create Flight Recorder. " + e.getMessage(), e);
            }
            // Must be in synchronized block to prevent instance leaking out
            // before initialization is done
            initialized = true;
            Logger.log(JFR, INFO, "Flight Recorder initialized");
            Logger.log(JFR, DEBUG, "maxchunksize: " + Options.getMaxChunkSize()+ " bytes");
            Logger.log(JFR, DEBUG, "memorysize: " + Options.getMemorySize()+ " bytes");
            Logger.log(JFR, DEBUG, "globalbuffersize: " + Options.getGlobalBufferSize()+ " bytes");
            Logger.log(JFR, DEBUG, "globalbuffercount: " + Options.getGlobalBufferCount());
            Logger.log(JFR, DEBUG, "dumppath: " + Options.getDumpPath());
            Logger.log(JFR, DEBUG, "samplethreads: " + Options.getSampleThreads());
            Logger.log(JFR, DEBUG, "stackdepth: " + Options.getStackDepth());
            Logger.log(JFR, DEBUG, "threadbuffersize: " + Options.getThreadBufferSize());
            Logger.log(JFR, LogLevel.INFO, "Created repository " + Repository.getRepository().getRepositoryPath().toString());
            PlatformRecorder.notifyRecorderInitialized(platformRecorder);
        }
    }
    return platformRecorder;
}
 

private static Object getOption(String name) {
    switch (name) {
        case DUMPPATH: return Options.getDumpPath().toString();
        case STACK_DEPTH: return Options.getStackDepth();
        case GLOBAL_BUFFER_COUNT: return Options.getGlobalBufferCount();
        case GLOBAL_BUFFER_SIZE: return Options.getGlobalBufferSize();
        case THREAD_BUFFER_SIZE: return Options.getThreadBufferSize();
        case MAX_CHUNK_SIZE: return Options.getMaxChunkSize();
        case SAMPLE_THREADS: return Options.getSampleThreads();
        default: throw new RuntimeException("Unknown option " + name);
    }
}
 

/**
 * Returns the Flight Recorder for the platform.
 *
 * @return a Flight Recorder instance, not {@code null}
 *
 * @throws IllegalStateException if Flight Recorder can't be created (for
 *         example, if the Java Virtual Machine (JVM) lacks Flight Recorder
 *         support, or if the file repository can't be created or accessed)
 *
 * @throws SecurityException if a security manager exists and the caller does
 *         not have {@code FlightRecorderPermission("accessFlightRecorder")}
 */
public static FlightRecorder getFlightRecorder() throws IllegalStateException, SecurityException {
    synchronized (PlatformRecorder.class) {
        Utils.checkAccessFlightRecorder();
        JVMSupport.ensureWithIllegalStateException();
        if (platformRecorder == null) {
            try {
                platformRecorder = new FlightRecorder(new PlatformRecorder());
            } catch (IllegalStateException ise) {
                throw ise;
            } catch (Exception e) {
                throw new IllegalStateException("Can't create Flight Recorder. " + e.getMessage(), e);
            }
            // Must be in synchronized block to prevent instance leaking out
            // before initialization is done
            initialized = true;
            Logger.log(JFR, INFO, "Flight Recorder initialized");
            Logger.log(JFR, DEBUG, "maxchunksize: " + Options.getMaxChunkSize()+ " bytes");
            Logger.log(JFR, DEBUG, "memorysize: " + Options.getMemorySize()+ " bytes");
            Logger.log(JFR, DEBUG, "globalbuffersize: " + Options.getGlobalBufferSize()+ " bytes");
            Logger.log(JFR, DEBUG, "globalbuffercount: " + Options.getGlobalBufferCount());
            Logger.log(JFR, DEBUG, "dumppath: " + Options.getDumpPath());
            Logger.log(JFR, DEBUG, "samplethreads: " + Options.getSampleThreads());
            Logger.log(JFR, DEBUG, "stackdepth: " + Options.getStackDepth());
            Logger.log(JFR, DEBUG, "threadbuffersize: " + Options.getThreadBufferSize());
            Logger.log(JFR, LogLevel.INFO, "Created repository " + Repository.getRepository().getRepositoryPath().toString());
            PlatformRecorder.notifyRecorderInitialized(platformRecorder);
        }
    }
    return platformRecorder;
}
 

private void printMemorySize() {
    print("Memory size: ");
    printBytes(Options.getMemorySize());
    println();
}
 

private void printGlobalBufferCount() {
    println("Global buffer count: " +  Options.getGlobalBufferCount());
}
 

private void printMaxChunkSize() {
    print("Max chunk size: ");
    printBytes(Options.getMaxChunkSize());
    println();
}
 

private void populateResults() {
    optionList.get(MEMORYSIZE).setResult(Options.getMemorySize(), 'b');
    optionList.get(GLOBALBUFFERSIZE).setResult(Options.getGlobalBufferSize(), 'b');
    optionList.get(GLOBALBUFFERCOUNT).setResult(Options.getGlobalBufferCount(), 'b');
    optionList.get(THREADBUFFERSIZE).setResult(Options.getThreadBufferSize(), 'b');
}
 

private void printDumpPath() {
    print("Dump path: ");
    printPath(Options.getDumpPath());
    println();
}
 

private void printSampleThreads() {
    println("Sample threads: " + Options.getSampleThreads());
}
 

private void printStackDepth() {
    println("Stack depth: " +  Options.getStackDepth());
}
 

private void printGlobalBufferCount() {
    println("Global buffer count: " +  Options.getGlobalBufferCount());
}
 

private void printGlobalBufferSize() {
    print("Global buffer size: ");
    printBytes(Options.getGlobalBufferSize());
    println();
}
 

private void printThreadBufferSize() {
    print("Thread buffer size: ");
    printBytes(Options.getThreadBufferSize());
    println();
}
 

private void printMemorySize() {
    print("Memory size: ");
    printBytes(Options.getMemorySize());
    println();
}
 

private void printMaxChunkSize() {
    print("Max chunk size: ");
    printBytes(Options.getMaxChunkSize());
    println();
}
 

private void populateResults() {
    optionList.get(MEMORYSIZE).setResult(Options.getMemorySize(), 'b');
    optionList.get(GLOBALBUFFERSIZE).setResult(Options.getGlobalBufferSize(), 'b');
    optionList.get(GLOBALBUFFERCOUNT).setResult(Options.getGlobalBufferCount(), 'b');
    optionList.get(THREADBUFFERSIZE).setResult(Options.getThreadBufferSize(), 'b');
}
 

private void printThreadBufferSize() {
    print("Thread buffer size: ");
    printBytes(Options.getThreadBufferSize());
    println();
}
 

private void printGlobalBufferSize() {
    print("Global buffer size: ");
    printBytes(Options.getGlobalBufferSize());
    println();
}
 

private void printStackDepth() {
    println("Stack depth: " +  Options.getStackDepth());
}
 

private void printSampleThreads() {
    println("Sample threads: " + Options.getSampleThreads());
}
 

private void printDumpPath() {
    print("Dump path: ");
    printPath(Options.getDumpPath());
    println();
}
 

private void populateResults() {
    optionList.get(MEMORYSIZE).setResult(Options.getMemorySize(), 'b');
    optionList.get(GLOBALBUFFERSIZE).setResult(Options.getGlobalBufferSize(), 'b');
    optionList.get(GLOBALBUFFERCOUNT).setResult(Options.getGlobalBufferCount(), 'b');
    optionList.get(THREADBUFFERSIZE).setResult(Options.getThreadBufferSize(), 'b');
}
 

private void printObjectAllocationsSamplingInterval() {
    println("objects allocations sampling interval: " + Options.getObjectAllocationsSamplingInterval());
}
 

private void printSampleObjectAllocations() {
    println("Sample object allocations: " + Options.getSampleObjectAllocations());
}
 

private void printMaxChunkSize() {
    print("Max chunk size: ");
    printBytes(Options.getMaxChunkSize(), " ");
    println();
}
 

private void printMemorySize() {
    print("Memory size: ");
    printBytes(Options.getMemorySize(), " ");
    println();
}
 

private void printThreadBufferSize() {
    print("Thread buffer size: ");
    printBytes(Options.getThreadBufferSize(), " ");
    println();
}