Java Code Examples for org.chromium.base.metrics.RecordHistogram#recordCustomTimesHistogram()

/**
 * Registers that a client has launched a URL inside a Custom Tab.
 */
public synchronized void registerLaunch(CustomTabsSessionToken session, String url) {
    int outcome = getPredictionOutcome(session, url);
    RecordHistogram.recordEnumeratedHistogram(
            "CustomTabs.PredictionStatus", outcome, PREDICTION_STATUS_COUNT);

    SessionParams params = mSessionParams.get(session);
    if (outcome == GOOD_PREDICTION) {
        long elapsedTimeMs = SystemClock.elapsedRealtime()
                - params.getLastMayLaunchUrlTimestamp();
        RequestThrottler.getForUid(mContext, params.uid).registerSuccess(
                params.mPredictedUrl);
        RecordHistogram.recordCustomTimesHistogram("CustomTabs.PredictionToLaunch",
                elapsedTimeMs, 1, TimeUnit.MINUTES.toMillis(3), TimeUnit.MILLISECONDS, 100);
    }
    RecordHistogram.recordEnumeratedHistogram(
            "CustomTabs.WarmupStateOnLaunch", getWarmupState(session), SESSION_WARMUP_COUNT);
    if (params != null) params.setPredictionMetrics(null, 0);
}
 

/**
 * Handle all necessary tasks that can be delayed until initialization completes.
 * @param activityCreationTimeMs The time of creation for the activity this toolbar belongs to.
 * @param activityName Simple class name for the activity this toolbar belongs to.
 */
public void onDeferredStartup(final long activityCreationTimeMs,
        final String activityName) {
    // Record startup performance statistics
    long elapsedTime = SystemClock.elapsedRealtime() - activityCreationTimeMs;
    if (elapsedTime < RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS) {
        ThreadUtils.postOnUiThreadDelayed(new Runnable() {
            @Override
            public void run() {
                onDeferredStartup(activityCreationTimeMs, activityName);
            }
        }, RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS - elapsedTime);
    }
    RecordHistogram.recordTimesHistogram("MobileStartup.ToolbarFirstDrawTime." + activityName,
            mToolbar.getFirstDrawTime() - activityCreationTimeMs, TimeUnit.MILLISECONDS);

    long firstFocusTime = mToolbar.getLocationBar().getFirstUrlBarFocusTime();
    if (firstFocusTime != 0) {
        RecordHistogram.recordCustomTimesHistogram(
                "MobileStartup.ToolbarFirstFocusTime." + activityName,
                firstFocusTime - activityCreationTimeMs, MIN_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS,
                MAX_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS, TimeUnit.MILLISECONDS, 50);
    }
}
 

/**
 * Registers that a client has launched a URL inside a Custom Tab.
 */
public synchronized void registerLaunch(CustomTabsSessionToken session, String url) {
    int outcome = getPredictionOutcome(session, url);
    RecordHistogram.recordEnumeratedHistogram(
            "CustomTabs.PredictionStatus", outcome, PREDICTION_STATUS_COUNT);

    SessionParams params = mSessionParams.get(session);
    if (outcome == GOOD_PREDICTION) {
        long elapsedTimeMs = SystemClock.elapsedRealtime()
                - params.getLastMayLaunchUrlTimestamp();
        RequestThrottler.getForUid(mContext, params.uid).registerSuccess(
                params.mPredictedUrl);
        RecordHistogram.recordCustomTimesHistogram("CustomTabs.PredictionToLaunch",
                elapsedTimeMs, 1, TimeUnit.MINUTES.toMillis(3), TimeUnit.MILLISECONDS, 100);
    }
    RecordHistogram.recordEnumeratedHistogram(
            "CustomTabs.WarmupStateOnLaunch", getWarmupState(session), SESSION_WARMUP_COUNT);

    if (params == null) return;

    int value = (params.lowConfidencePrediction ? LOW_CONFIDENCE : 0)
            + (params.highConfidencePrediction ? HIGH_CONFIDENCE : 0);
    RecordHistogram.recordEnumeratedHistogram(
            "CustomTabs.MayLaunchUrlType", value, MAY_LAUNCH_URL_TYPE_COUNT);
    params.resetPredictionMetrics();
}
 

/**
 * Handle all necessary tasks that can be delayed until initialization completes.
 * @param activityCreationTimeMs The time of creation for the activity this toolbar belongs to.
 * @param activityName Simple class name for the activity this toolbar belongs to.
 */
public void onDeferredStartup(final long activityCreationTimeMs,
        final String activityName) {
    // Record startup performance statistics
    long elapsedTime = SystemClock.elapsedRealtime() - activityCreationTimeMs;
    if (elapsedTime < RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS) {
        ThreadUtils.postOnUiThreadDelayed(new Runnable() {
            @Override
            public void run() {
                onDeferredStartup(activityCreationTimeMs, activityName);
            }
        }, RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS - elapsedTime);
    }
    RecordHistogram.recordTimesHistogram("MobileStartup.ToolbarFirstDrawTime." + activityName,
            mToolbar.getFirstDrawTime() - activityCreationTimeMs, TimeUnit.MILLISECONDS);

    long firstFocusTime = mToolbar.getLocationBar().getFirstUrlBarFocusTime();
    if (firstFocusTime != 0) {
        RecordHistogram.recordCustomTimesHistogram(
                "MobileStartup.ToolbarFirstFocusTime." + activityName,
                firstFocusTime - activityCreationTimeMs, MIN_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS,
                MAX_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS, TimeUnit.MILLISECONDS, 50);
    }
}
 

/**
 * Registers that a client has launched a URL inside a Custom Tab.
 */
public synchronized void registerLaunch(CustomTabsSessionToken session, String url) {
    int outcome = getPredictionOutcome(session, url);
    RecordHistogram.recordEnumeratedHistogram(
            "CustomTabs.PredictionStatus", outcome, PREDICTION_STATUS_COUNT);

    SessionParams params = mSessionParams.get(session);
    if (outcome == GOOD_PREDICTION) {
        long elapsedTimeMs = SystemClock.elapsedRealtime()
                - params.getLastMayLaunchUrlTimestamp();
        RequestThrottler.getForUid(mContext, params.uid).registerSuccess(
                params.mPredictedUrl);
        RecordHistogram.recordCustomTimesHistogram("CustomTabs.PredictionToLaunch",
                elapsedTimeMs, 1, TimeUnit.MINUTES.toMillis(3), TimeUnit.MILLISECONDS, 100);
    }
    RecordHistogram.recordEnumeratedHistogram(
            "CustomTabs.WarmupStateOnLaunch", getWarmupState(session), SESSION_WARMUP_COUNT);
    if (params != null) params.setPredictionMetrics(null, 0);
}
 

/**
 * Handle all necessary tasks that can be delayed until initialization completes.
 * @param activityCreationTimeMs The time of creation for the activity this toolbar belongs to.
 * @param activityName Simple class name for the activity this toolbar belongs to.
 */
public void onDeferredStartup(final long activityCreationTimeMs,
        final String activityName) {
    // Record startup performance statistics
    long elapsedTime = SystemClock.elapsedRealtime() - activityCreationTimeMs;
    if (elapsedTime < RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS) {
        ThreadUtils.postOnUiThreadDelayed(new Runnable() {
            @Override
            public void run() {
                onDeferredStartup(activityCreationTimeMs, activityName);
            }
        }, RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS - elapsedTime);
    }
    RecordHistogram.recordTimesHistogram("MobileStartup.ToolbarFirstDrawTime." + activityName,
            mToolbar.getFirstDrawTime() - activityCreationTimeMs, TimeUnit.MILLISECONDS);

    long firstFocusTime = mToolbar.getLocationBar().getFirstUrlBarFocusTime();
    if (firstFocusTime != 0) {
        RecordHistogram.recordCustomTimesHistogram(
                "MobileStartup.ToolbarFirstFocusTime." + activityName,
                firstFocusTime - activityCreationTimeMs, MIN_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS,
                MAX_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS, TimeUnit.MILLISECONDS, 50);
    }
}
 

@Override
public void onPageLoadFinished(Tab tab) {
    long pageLoadFinishedTimestamp = SystemClock.elapsedRealtime();
    mCustomTabsConnection.notifyNavigationEvent(
            mSession, CustomTabsCallback.NAVIGATION_FINISHED);
    // Both histograms (commit and PLT) are reported here, to make sure
    // that they are always recorded together, and that we only record
    // commits for successful navigations.
    if (mCurrentState == STATE_WAITING_LOAD_FINISH && mIntentReceivedTimestamp > 0) {
        long timeToPageLoadStartedMs = mPageLoadStartedTimestamp - mIntentReceivedTimestamp;
        long timeToPageLoadFinishedMs =
                pageLoadFinishedTimestamp - mIntentReceivedTimestamp;
        // Same bounds and bucket count as "Startup.FirstCommitNavigationTime"
        RecordHistogram.recordCustomTimesHistogram(
                "CustomTabs.IntentToFirstCommitNavigationTime", timeToPageLoadStartedMs,
                1, TimeUnit.MINUTES.toMillis(1), TimeUnit.MILLISECONDS, 225);
        // Same bounds and bucket count as PLT histograms.
        RecordHistogram.recordCustomTimesHistogram("CustomTabs.IntentToPageLoadedTime",
                timeToPageLoadFinishedMs, 10, TimeUnit.MINUTES.toMillis(10),
                TimeUnit.MILLISECONDS, 100);
    }
    resetPageLoadTracking();
}
 

public void onLowMemory() {
    memoryNotificationForeground(FOREGROUND_LOW);
    long now = SystemClock.elapsedRealtime();
    if (mLastLowMemoryMsec >= 0) {
        RecordHistogram.recordCustomTimesHistogram("MemoryAndroid.LowMemoryTimeBetween",
                now - mLastLowMemoryMsec, 0, TimeUnit.MINUTES.toMillis(10),
                TimeUnit.MILLISECONDS, 50);
    }
    mLastLowMemoryMsec = now;
}
 

@Override
public void didCommitProvisionalLoadForFrame(long frameId, boolean isMainFrame, String url,
        int transitionType) {
    if (isMainFrame && UmaUtils.isRunningApplicationStart()) {
        // Currently it takes about 2000ms to commit a navigation if the measurement
        // begins very early in the browser start. How many buckets (b) are needed to
        // explore the _typical_ values with granularity 100ms and a maximum duration
        // of 1 minute?
        //   s^{n+1} / s^{n} = 2100 / 2000
        //   s = 1.05
        //   s^b = 60000
        //   b = ln(60000) / ln(1.05) ~= 225
        RecordHistogram.recordCustomTimesHistogram("Startup.FirstCommitNavigationTime",
                SystemClock.uptimeMillis() - UmaUtils.getMainEntryPointTime(),
                1, 60000 /* 1 minute */, TimeUnit.MILLISECONDS, 225);
        UmaUtils.setRunningApplicationStart(false);
    }

    if (isMainFrame) {
        mTab.setIsTabStateDirty(true);
        mTab.updateTitle();
    }

    RewindableIterator<TabObserver> observers = mTab.getTabObservers();
    while (observers.hasNext()) {
        observers.next().onDidCommitProvisionalLoadForFrame(
                mTab, frameId, isMainFrame, url, transitionType);
    }

    observers.rewind();
    while (observers.hasNext()) {
        observers.next().onUrlUpdated(mTab);
    }

    if (!isMainFrame) return;
    mTab.handleDidCommitProvisonalLoadForFrame(url, transitionType);
}
 

@Override
public void onPageLoadFinished(Tab tab) {
    long pageLoadFinishedTimestamp = SystemClock.elapsedRealtime();
    if (mCustomTabsConnection != null) {
        mCustomTabsConnection.notifyNavigationEvent(
                mSession, CustomTabsCallback.NAVIGATION_FINISHED);
    }
    // Both histograms (commit and PLT) are reported here, to make sure
    // that they are always recorded together, and that we only record
    // commits for successful navigations.
    if (mCurrentState == STATE_WAITING_LOAD_FINISH && mIntentReceivedTimestamp > 0) {
        long timeToPageLoadStartedMs = mPageLoadStartedTimestamp - mIntentReceivedTimestamp;
        long timeToPageLoadFinishedMs =
                pageLoadFinishedTimestamp - mIntentReceivedTimestamp;

        String histogramPrefix = mOpenedByChrome ? "ChromeGeneratedCustomTab" : "CustomTabs";
        RecordHistogram.recordCustomTimesHistogram(
                histogramPrefix + ".IntentToFirstCommitNavigationTime2.ZoomedOut",
                timeToPageLoadStartedMs,
                50, TimeUnit.MINUTES.toMillis(10), TimeUnit.MILLISECONDS, 50);
        RecordHistogram.recordCustomTimesHistogram(
                histogramPrefix + ".IntentToFirstCommitNavigationTime2.ZoomedIn",
                timeToPageLoadStartedMs, 200, 1000, TimeUnit.MILLISECONDS, 100);
        // Same bounds and bucket count as PLT histograms.
        RecordHistogram.recordCustomTimesHistogram(histogramPrefix + ".IntentToPageLoadedTime",
                timeToPageLoadFinishedMs, 10, TimeUnit.MINUTES.toMillis(10),
                TimeUnit.MILLISECONDS, 100);
    }
    resetPageLoadTracking();
    captureNavigationInfo(tab);
}
 

/**
 * Records a sample in a histogram of times. This is the Java equivalent of the
 * UMA_HISTOGRAM_LONG_TIMES_100.
 */
private void recordLongTimesHistogram100(String name, long duration) {
    RecordHistogram.recordCustomTimesHistogram(
            name, TimeUnit.MILLISECONDS.toMillis(duration),
            TimeUnit.MILLISECONDS.toMillis(1), TimeUnit.HOURS.toMillis(1),
            TimeUnit.MILLISECONDS, 100);
}
 

@Override
public void didCommitProvisionalLoadForFrame(long frameId, boolean isMainFrame, String url,
        int transitionType) {
    if (isMainFrame && UmaUtils.isRunningApplicationStart()) {
        // Currently it takes about 2000ms to commit a navigation if the measurement
        // begins very early in the browser start. How many buckets (b) are needed to
        // explore the _typical_ values with granularity 100ms and a maximum duration
        // of 1 minute?
        //   s^{n+1} / s^{n} = 2100 / 2000
        //   s = 1.05
        //   s^b = 60000
        //   b = ln(60000) / ln(1.05) ~= 225
        RecordHistogram.recordCustomTimesHistogram("Startup.FirstCommitNavigationTime2",
                SystemClock.uptimeMillis() - UmaUtils.getForegroundStartTime(),
                1, 60000 /* 1 minute */, TimeUnit.MILLISECONDS, 225);
        UmaUtils.setRunningApplicationStart(false);
    }

    if (isMainFrame) {
        mTab.setIsTabStateDirty(true);
        mTab.updateTitle();
    }

    RewindableIterator<TabObserver> observers = mTab.getTabObservers();
    while (observers.hasNext()) {
        observers.next().onDidCommitProvisionalLoadForFrame(
                mTab, frameId, isMainFrame, url, transitionType);
    }

    observers.rewind();
    while (observers.hasNext()) {
        observers.next().onUrlUpdated(mTab);
    }

    if (!isMainFrame) return;
    mTab.handleDidCommitProvisonalLoadForFrame(url, transitionType);
}
 

/**
 * Records a sample in a histogram of times. This is the Java equivalent of the
 * UMA_HISTOGRAM_LONG_TIMES_100.
 */
private void recordLongTimesHistogram100(String name, long duration) {
    RecordHistogram.recordCustomTimesHistogram(
            name, TimeUnit.MILLISECONDS.toMillis(duration),
            TimeUnit.MILLISECONDS.toMillis(1), TimeUnit.HOURS.toMillis(1),
            TimeUnit.MILLISECONDS, 100);
}
 

public void onLowMemory() {
    memoryNotificationForeground(FOREGROUND_LOW);
    long now = SystemClock.elapsedRealtime();
    if (mLastLowMemoryMsec >= 0) {
        RecordHistogram.recordCustomTimesHistogram("MemoryAndroid.LowMemoryTimeBetween",
                now - mLastLowMemoryMsec, 0, TimeUnit.MINUTES.toMillis(10),
                TimeUnit.MILLISECONDS, 50);
    }
    mLastLowMemoryMsec = now;
}
 

/** Records a data point for one of the GeolocationHeader.TimeListening* histograms. */
@SuppressFBWarnings("RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE")
private static void recordTimeListeningHistogram(
        int locationSource, boolean locationAttached, long duration) {
    String name = getTimeListeningHistogramEnum(locationSource, locationAttached);
    if (name == null) return;
    RecordHistogram.recordCustomTimesHistogram(
            name, duration, 1, TIME_LISTENING_HISTOGRAM_MAX_MILLIS, TimeUnit.MILLISECONDS, 50);
}
 

/**
 * Records a sample in a histogram of times. This is the Java equivalent of the
 * UMA_HISTOGRAM_LONG_TIMES_100.
 */
private void recordLongTimesHistogram100(String name, long duration) {
    RecordHistogram.recordCustomTimesHistogram(
            name, TimeUnit.MILLISECONDS.toMillis(duration),
            TimeUnit.MILLISECONDS.toMillis(1), TimeUnit.HOURS.toMillis(1),
            TimeUnit.MILLISECONDS, 100);
}
 

public void onLowMemory() {
    memoryNotificationForeground(FOREGROUND_LOW);
    long now = SystemClock.elapsedRealtime();
    if (mLastLowMemoryMsec >= 0) {
        RecordHistogram.recordCustomTimesHistogram("MemoryAndroid.LowMemoryTimeBetween",
                now - mLastLowMemoryMsec, 0, TimeUnit.MINUTES.toMillis(10),
                TimeUnit.MILLISECONDS, 50);
    }
    mLastLowMemoryMsec = now;
}
 

@Override
protected void recordIntentToCreationTime(long timeMs) {
    super.recordIntentToCreationTime(timeMs);
    RecordHistogram.recordCustomTimesHistogram("MobileStartup.IntentToCreationTime.TabbedMode",
            timeMs, 1, TimeUnit.SECONDS.toMillis(30), TimeUnit.MILLISECONDS, 50);
}
 

@Override
public void onPageLoadFinished(Tab tab) {
    long pageLoadFinishedTimestamp = SystemClock.elapsedRealtime();
    if (mCustomTabsConnection != null) {
        mCustomTabsConnection.notifyNavigationEvent(
                mSession, CustomTabsCallback.NAVIGATION_FINISHED);
    }

    if (mCurrentState == STATE_WAITING_LOAD_FINISH && mIntentReceivedTimestamp > 0) {
        String histogramPrefix = mOpenedByChrome ? "ChromeGeneratedCustomTab" : "CustomTabs";
        long timeToPageLoadFinishedMs = pageLoadFinishedTimestamp - mIntentReceivedTimestamp;
        if (mPageLoadStartedTimestamp > 0) {
            long timeToPageLoadStartedMs = mPageLoadStartedTimestamp - mIntentReceivedTimestamp;
            // Intent to Load Start is recorded here to make sure we do not record
            // failed/aborted page loads.
            RecordHistogram.recordCustomTimesHistogram(
                    histogramPrefix + ".IntentToFirstCommitNavigationTime2.ZoomedOut",
                    timeToPageLoadStartedMs, 50, TimeUnit.MINUTES.toMillis(10),
                    TimeUnit.MILLISECONDS, 50);
            RecordHistogram.recordCustomTimesHistogram(
                    histogramPrefix + ".IntentToFirstCommitNavigationTime2.ZoomedIn",
                    timeToPageLoadStartedMs, 200, 1000, TimeUnit.MILLISECONDS, 100);
        }
        // Same bounds and bucket count as PLT histograms.
        RecordHistogram.recordCustomTimesHistogram(histogramPrefix + ".IntentToPageLoadedTime",
                timeToPageLoadFinishedMs, 10, TimeUnit.MINUTES.toMillis(10),
                TimeUnit.MILLISECONDS, 100);

        // Not all page loads go through a navigation commit (prerender for instance).
        if (mPageLoadStartedTimestamp != 0) {
            long timeToFirstCommitMs = mFirstCommitTimestamp - mIntentReceivedTimestamp;
            // Current median is 550ms, and long tail is very long. ZoomedIn gives good view of
            // the median and ZoomedOut gives a good overview.
            RecordHistogram.recordCustomTimesHistogram(
                    "CustomTabs.IntentToFirstCommitNavigationTime3.ZoomedIn",
                    timeToFirstCommitMs, 200, 1000, TimeUnit.MILLISECONDS, 100);
            // For ZoomedOut very rarely is it under 50ms and this range matches
            // CustomTabs.IntentToFirstCommitNavigationTime2.ZoomedOut.
            RecordHistogram.recordCustomTimesHistogram(
                    "CustomTabs.IntentToFirstCommitNavigationTime3.ZoomedOut",
                    timeToFirstCommitMs, 50, TimeUnit.MINUTES.toMillis(10),
                    TimeUnit.MILLISECONDS, 50);
        }
    }
    resetPageLoadTracking();
    captureNavigationInfo(tab);
}
 

@Override
public void didFinishNavigation(String url, boolean isInMainFrame, boolean isErrorPage,
        boolean hasCommitted, boolean isSameDocument, boolean isFragmentNavigation,
        Integer pageTransition, int errorCode, String errorDescription, int httpStatusCode) {
    RewindableIterator<TabObserver> observers = mTab.getTabObservers();
    while (observers.hasNext()) {
        observers.next().onDidFinishNavigation(mTab, url, isInMainFrame, isErrorPage,
                hasCommitted, isSameDocument, isFragmentNavigation, pageTransition, errorCode,
                httpStatusCode);
    }

    if (errorCode != 0) {
        mTab.updateThemeColorIfNeeded(true);
        if (isInMainFrame) mTab.didFailPageLoad(errorCode);

        recordErrorInPolicyAuditor(url, errorDescription, errorCode);
    }

    if (!hasCommitted) return;
    if (isInMainFrame && UmaUtils.isRunningApplicationStart()) {
        // Current median is 550ms, and long tail is very long. ZoomedIn gives good view of the
        // median and ZoomedOut gives a good overview.
        RecordHistogram.recordCustomTimesHistogram(
                "Startup.FirstCommitNavigationTime2.ZoomedIn",
                SystemClock.uptimeMillis() - UmaUtils.getForegroundStartTime(),
                200, 1000, TimeUnit.MILLISECONDS, 100);
        // For ZoomedOut very rarely is it under 50ms and this range matches
        // CustomTabs.IntentToFirstCommitNavigationTime2.ZoomedOut.
        RecordHistogram.recordCustomTimesHistogram(
                "Startup.FirstCommitNavigationTime2.ZoomedOut",
                SystemClock.uptimeMillis() - UmaUtils.getForegroundStartTime(),
                50, TimeUnit.MINUTES.toMillis(10), TimeUnit.MILLISECONDS, 50);
        UmaUtils.setRunningApplicationStart(false);
    }

    if (isInMainFrame) {
        mTab.setIsTabStateDirty(true);
        mTab.updateTitle();
        mTab.handleDidFinishNavigation(url, pageTransition);
        mTab.setIsShowingErrorPage(isErrorPage);
    }

    observers.rewind();
    while (observers.hasNext()) {
        observers.next().onUrlUpdated(mTab);
    }

    FullscreenManager fullscreenManager = mTab.getFullscreenManager();
    if (isInMainFrame && !isSameDocument && fullscreenManager != null) {
        fullscreenManager.setPersistentFullscreenMode(false);
    }

    if (isInMainFrame) {
        mTab.stopSwipeRefreshHandler();
    }
}