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Commit a57a0fb7 authored by Tony Huang's avatar Tony Huang
Browse files

Metirc largest view percentage each inflate frame 

Bug: 301343249
Test: record_android_trace view -a*
Flag: ACONFIG android.view.flags.Flags.toolkitMetrics DEVELOPMENT
Change-Id: Icd80c9e8790a49d8efa7a4596cc2858222385618
parent 6300e048

core/java/android/view/View.java

+11 −5
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ import static android.view.displayhash.DisplayHashResultCallback.EXTRA_DISPLAY_H 
import static android.view.displayhash.DisplayHashResultCallback.EXTRA_DISPLAY_HASH_ERROR_CODE;

import static android.view.flags.Flags.FLAG_TOOLKIT_SET_FRAME_RATE_READ_ONLY;

import static android.view.flags.Flags.FLAG_VIEW_VELOCITY_API;

import static android.view.flags.Flags.toolkitMetricsForFrameRateDecision;

import static android.view.flags.Flags.toolkitSetFrameRateReadOnly;

import static android.view.flags.Flags.viewVelocityApi;

import static android.view.inputmethod.Flags.FLAG_HOME_SCREEN_HANDWRITING_DELEGATOR;
@@ -2309,6 +2310,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback, 
    protected static final int[] PRESSED_ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET;















    private static boolean sToolkitSetFrameRateReadOnlyFlagValue;













    private static boolean sToolkitMetricsForFrameRateDecisionFlagValue;





























    static {















        EMPTY_STATE_SET = StateSet.get(0);










@@ -2393,6 +2395,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback,













                        | StateSet.VIEW_STATE_PRESSED);





























        sToolkitSetFrameRateReadOnlyFlagValue = toolkitSetFrameRateReadOnly();













        sToolkitMetricsForFrameRateDecisionFlagValue = toolkitMetricsForFrameRateDecision();















    }





























    /**










@@ -33084,11 +33087,11 @@ public class View implements Drawable.Callback, KeyEvent.Callback,



























    private void votePreferredFrameRate() {















        // use toolkitSetFrameRate flag to gate the change













        if (sToolkitSetFrameRateReadOnlyFlagValue) {















        ViewRootImpl viewRootImpl = getViewRootImpl();















        float sizePercentage = getSizePercentage();















        int frameRateCateogry = calculateFrameRateCategory(sizePercentage);















        if (viewRootImpl != null && sizePercentage > 0) {













            if (sToolkitSetFrameRateReadOnlyFlagValue) {















                if (mPreferredFrameRate < 0) {















                    if (mPreferredFrameRate == REQUESTED_FRAME_RATE_CATEGORY_NO_PREFERENCE) {















                        frameRateCateogry = FRAME_RATE_CATEGORY_NO_PREFERENCE;









@@ -33104,6 +33107,9 @@ public class View implements Drawable.Callback, KeyEvent.Callback,













                }















                viewRootImpl.votePreferredFrameRateCategory(frameRateCateogry);















            }













            if (sToolkitMetricsForFrameRateDecisionFlagValue) {













                viewRootImpl.recordViewPercentage(sizePercentage);













            }















        }















    }







































core/java/android/view/ViewRootImpl.java



+15
−0




























Original line number
Diff line number
Diff line








@@ -827,6 +827,8 @@ public final class ViewRootImpl implements ViewParent,













    private boolean mInsetsAnimationRunning;































    private long mPreviousFrameDrawnTime = -1;













    // The largest view size percentage to the display size. Used on trace to collect metric.













    private float mLargestChildPercentage = 0.0f;































    /**















     * The resolved pointer icon type requested by this window.










@@ -1066,6 +1068,7 @@ public final class ViewRootImpl implements ViewParent,





























    private String mTag = TAG;















    private String mFpsTraceName;













    private String mLargestViewTraceName;































    private static boolean sToolkitSetFrameRateReadOnlyFlagValue;















    private static boolean sToolkitMetricsForFrameRateDecisionFlagValue;










@@ -1317,6 +1320,7 @@ public final class ViewRootImpl implements ViewParent,













                attrs = mWindowAttributes;















                setTag();















                mFpsTraceName = "FPS of " + getTitle();













                mLargestViewTraceName = "Largest view percentage(per hundred) of " + getTitle();































                if (DEBUG_KEEP_SCREEN_ON && (mClientWindowLayoutFlags















                        & WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) != 0










@@ -4738,6 +4742,10 @@ public final class ViewRootImpl implements ViewParent,













        long fps = NANOS_PER_SEC / timeDiff;















        Trace.setCounter(mFpsTraceName, fps);















        mPreviousFrameDrawnTime = expectedDrawnTime;



























        long percentage = (long) (mLargestChildPercentage * 100);













        Trace.setCounter(mLargestViewTraceName, percentage);













        mLargestChildPercentage = 0.0f;















    }































    private void reportDrawFinished(@Nullable Transaction t, int seqId) {










@@ -5058,6 +5066,7 @@ public final class ViewRootImpl implements ViewParent,













        if (DEBUG_FPS) {















            trackFPS();















        }





























        if (sToolkitMetricsForFrameRateDecisionFlagValue) {















            collectFrameRateDecisionMetrics();















        }










@@ -12261,4 +12270,10 @@ public final class ViewRootImpl implements ViewParent,













    void setBackKeyCallbackForWindowlessWindow(@NonNull Predicate<KeyEvent> callback) {















        mWindowlessBackKeyCallback = callback;















    }



























    void recordViewPercentage(float percentage) {













        if (!Trace.isEnabled()) return;













        // Record the largest view of percentage to the display size.













        mLargestChildPercentage = Math.max(percentage, mLargestChildPercentage);













    }















}