Example usage for java.lang System nanoTime

Introduction

In this page you can find the example usage for java.lang System nanoTime.

Prototype

@HotSpotIntrinsicCandidate
public static native long nanoTime();

Source Link

Document

Returns the current value of the running Java Virtual Machine's high-resolution time source, in nanoseconds.

Usage

From source file:net.openhft.chronicle.logger.slf4j.Slf4jIndexedChronicleBinaryLoggerPerfTest.java

@Test
public void testSingleThreadLogging1() throws IOException {
    Thread.currentThread().setName("perf-plain-indexed");

    final String testId = "perf-binary-indexed-chronicle";
    final Logger clogger = LoggerFactory.getLogger(testId);
    final long items = 1000000;

    warmup(clogger);//  w  w  w. ja  v a2  s  .  c  om

    for (int s = 64; s <= 1024; s += 64) {
        final String staticStr = StringUtils.leftPad("", s, 'X');

        long cStart1 = System.nanoTime();

        for (int i = 1; i <= items; i++) {
            clogger.info(staticStr);
        }

        long cEnd1 = System.nanoTime();

        System.out.printf("items=%03d size=%04d => chronology=%.3f ms, chronology-average=%.3f us\n", items,
                staticStr.length(), (cEnd1 - cStart1) / 1e6, (cEnd1 - cStart1) / items / 1e3);
    }

    ChronicleTools.deleteOnExit(basePath(testId));
}

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From source file:CollectionTest.java

public void stop() {
    stopTime = System.nanoTime();
    stopped = true;
}

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From source file:net.sourceforge.subsonic.dao.AbstractDao.java

protected int update(String sql, Object... args) {
    long t = System.nanoTime();
    int result = getJdbcTemplate().update(sql, args);
    log(sql, t);/*from  w ww .  j  av  a 2s. c  o  m*/
    return result;
}

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From source file:com.cloudbees.jenkins.plugins.dockerslaves.DockerfileContainerDefinition.java

@Override
public String getImage(DockerDriver driver, Launcher.ProcStarter procStarter, TaskListener listener)
        throws IOException, InterruptedException {
    if (image != null)
        return image;
    String tag = Long.toHexString(System.nanoTime());

    final FilePath workspace = procStarter.pwd();
    FilePath contextRoot = workspace.child(contextPath);

    final FilePath pathToContext = contextRoot.child(contextPath);
    if (!pathToContext.exists()) {
        throw new IOException(pathToContext.getRemote() + " does not exists.");
    }/*  w ww . ja va2s.  c o m*/

    final FilePath pathToDockerfile = contextRoot.child(dockerfile);
    if (!pathToDockerfile.exists()) {
        throw new IOException(pathToContext.getRemote() + " does not exists.");
    }

    final File context = Util.createTempDir();
    pathToContext.copyRecursiveTo(new FilePath(context));
    pathToDockerfile.copyTo(new FilePath(new File(context, "Dockerfile")));

    final Launcher launcher = new Launcher.LocalLauncher(listener);
    if (driver.buildDockerfile(launcher, context.getAbsolutePath(), tag) != 0) {
        throw new IOException("Failed to build image from Dockerfile " + dockerfile);
    }
    Util.deleteRecursive(context);
    this.image = tag;
    return tag;
}

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From source file:com.espertech.esper.regression.client.TestThreadedConfigRoute.java

public void testOp() throws Exception {
    Configuration config = SupportConfigFactory.getConfiguration();
    config.getEngineDefaults().getThreading().setInternalTimerEnabled(true);
    config.getEngineDefaults().getExpression().setUdfCache(false);
    config.getEngineDefaults().getThreading().setThreadPoolRouteExec(true);
    config.getEngineDefaults().getThreading().setThreadPoolRouteExecNumThreads(5);
    config.addEventType("SupportBean", SupportBean.class);
    config.addImport(SupportStaticMethodLib.class.getName());

    EPServiceProvider epService = EPServiceProviderManager.getDefaultProvider(config);
    epService.initialize();//  w ww  .  j  a v a2s . c  o  m

    log.debug("Creating statements");
    int countStatements = 100;
    SupportListenerTimerHRes listener = new SupportListenerTimerHRes();
    for (int i = 0; i < countStatements; i++) {
        EPStatement stmt = epService.getEPAdministrator()
                .createEPL("select SupportStaticMethodLib.sleep(10) from SupportBean");
        stmt.addListener(listener);
    }

    log.info("Sending trigger event");
    long start = System.nanoTime();
    epService.getEPRuntime().sendEvent(new SupportBean());
    long end = System.nanoTime();
    long delta = (end - start) / 1000000;
    assertTrue("Delta is " + delta, delta < 100);

    Thread.sleep(2000);
    assertEquals(100, listener.getNewEvents().size());
    listener.getNewEvents().clear();

    // destroy all statements
    epService.getEPAdministrator().destroyAllStatements();
    EPStatement stmt = epService.getEPAdministrator()
            .createEPL("select SupportStaticMethodLib.sleep(10) from SupportBean, SupportBean");
    stmt.addListener(listener);
    epService.getEPRuntime().sendEvent(new SupportBean());
    Thread.sleep(100);
    assertEquals(1, listener.getNewEvents().size());

    epService.destroy();
}

---

From source file:dialog.DialogFunctionUser.java

private void actionAddUserNoController() {
    if (!isValidData()) {
        return;/*w  ww. j  a va2  s  .c  o m*/
    }
    if (isExistUsername(tfUsername.getText())) {
        JOptionPane.showMessageDialog(null, "Username  tn ti", "Error", JOptionPane.ERROR_MESSAGE);
        return;
    }
    String username = tfUsername.getText();
    String fullname = tfFullname.getText();
    String password = new String(tfPassword.getPassword());
    password = LibraryString.md5(password);
    int role = cbRole.getSelectedIndex();
    User objUser;
    if (mAvatar != null) {
        objUser = new User(UUID.randomUUID().toString(), username, password, fullname, role,
                new Date(System.currentTimeMillis()), mAvatar.getPath());
        String fileName = FilenameUtils.getBaseName(mAvatar.getName()) + "-" + System.nanoTime() + "."
                + FilenameUtils.getExtension(mAvatar.getName());
        Path source = Paths.get(mAvatar.toURI());
        Path destination = Paths.get("files/" + fileName);
        try {
            Files.copy(source, destination, StandardCopyOption.REPLACE_EXISTING);
        } catch (IOException ex) {
            Logger.getLogger(DialogFunctionRoom.class.getName()).log(Level.SEVERE, null, ex);
        }
    } else {
        objUser = new User(UUID.randomUUID().toString(), username, password, fullname, role,
                new Date(System.currentTimeMillis()), "");
    }
    if ((new ModelUser()).addItem(objUser)) {
        ImageIcon icon = new ImageIcon(getClass().getResource("/images/ic_success.png"));
        JOptionPane.showMessageDialog(this.getParent(), "Thm thnh cng", "Success",
                JOptionPane.INFORMATION_MESSAGE, icon);
    } else {
        JOptionPane.showMessageDialog(this.getParent(), "Thm tht bi", "Fail",
                JOptionPane.ERROR_MESSAGE);
    }
    this.dispose();
}

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From source file:com.aef.TicketGeneratorImpl.java

public void addToTicketQueue(TicketBatch ticketBatch) {
    long startTime = 0L;
    ticketBatchSendCount.incrementAndGet();
    // we're gonna let Redis do the serialization..
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug(String.format("Adding to queue: %s", ticketBatch));
        startTime = System.nanoTime();
    }/*from  w w  w  . ja  v  a 2s.  co  m*/
    ticketQueue.add(ticketBatch);
    if (LOGGER.isDebugEnabled()) {
        long elapsed = System.nanoTime() - startTime;
        LOGGER.debug(String.format("Time to add to queue: %s",
                DurationFormatUtils.formatDurationHMS(elapsed / 1000000)));
    }
}

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From source file:com.longle1.facedetection.TimedAsyncHttpResponseHandler.java

@Override
public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
    Log.i("RTT", String.format("%.1f", (System.nanoTime() - startTime) / 1e6) + " ms");
    String msg = "RTT: " + String.format("%.1f", (System.nanoTime() - startTime) / 1e6) + " ms";
    Toast mToast = Toast.makeText(mContext, msg, Toast.LENGTH_SHORT);
    mToast.setGravity(Gravity.TOP, 0, 0);
    mToast.show();//from ww  w. j a  v a2s  .c  om
}

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From source file:com.twosigma.beakerx.kernel.magic.command.functionality.TimeMagicCommand.java

public MagicCommandOutput time(String codeToExecute, Message message, int executionCount, boolean showResult) {
    CompletableFuture<TimeMeasureData> compileTime = new CompletableFuture<>();

    ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
    long currentThreadId = Thread.currentThread().getId();

    Long startWallTime = System.nanoTime();
    Long startCpuTotalTime = threadMXBean.getCurrentThreadCpuTime();
    Long startUserTime = threadMXBean.getCurrentThreadUserTime();

    SimpleEvaluationObject simpleEvaluationObject = createSimpleEvaluationObject(codeToExecute, kernel, message,
            executionCount);/*from   w  ww  . j  a va2 s . c  o m*/
    if (!showResult) {
        simpleEvaluationObject.noResult();
    }

    TryResult either = kernel.executeCode(codeToExecute, simpleEvaluationObject);

    Long endWallTime = System.nanoTime();
    Long endCpuTotalTime = threadMXBean.getThreadCpuTime(currentThreadId);
    Long endUserTime = threadMXBean.getThreadUserTime(currentThreadId);

    compileTime.complete(new TimeMeasureData(endCpuTotalTime - startCpuTotalTime, endUserTime - startUserTime,
            endWallTime - startWallTime));
    String messageInfo = "CPU times: user %s, sys: %s, total: %s \nWall Time: %s\n";

    try {
        TimeMeasureData timeMeasuredData = compileTime.get();

        return new MagicCommandOutput(MagicCommandOutput.Status.OK,
                String.format(messageInfo, format(timeMeasuredData.getCpuUserTime()),
                        format(timeMeasuredData.getCpuTotalTime() - timeMeasuredData.getCpuUserTime()),
                        format(timeMeasuredData.getCpuTotalTime()), format(timeMeasuredData.getWallTime())),
                either, simpleEvaluationObject);

    } catch (InterruptedException | ExecutionException e) {
        return new MagicCommandOutput(MagicCommandOutput.Status.ERROR,
                "There occurs problem during measuring time for your statement.");
    }
}

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From source file:com.snaker.RecognizerManager.java

public String recognize(String url, byte[] image, boolean manual) {
    String result = null;/*from ww  w .  j a va  2s . c om*/
    if (ocr != null && !manual) {
        try {
            result = ocr.recognize(image);
        } catch (OCRException e) {
            logger.error("recognize failed", e);
        }
    }

    if (result == null || result.isEmpty()) {
        RecognizeItem item = new RecognizeItem();
        item.id = System.nanoTime();
        item.url = url;
        item.image = image;
        item.completed = false;
        synchronized (items) {
            items.add(item);
        }
        synchronized (item) {
            while (!item.completed) {
                try {
                    item.wait();
                } catch (InterruptedException e) {
                    logger.error("wait error", e);
                }
            }
        }
        result = item.result;
    }

    return result;
}

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