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Commit d5cdb61d authored by Jeremy Nei's avatar Jeremy Nei
Browse files

Report brightness event to StatsLog 

Report brightness event with additional info including bucket_id and brightness_at_max.

Bug: 259797565
Test: Tested by tool statsd_testdrive
Change-Id: I38fde2a3eb4f70cffebec093f201fb6705e7dc76
parent 62f59cbc

services/core/java/com/android/server/display/DisplayPowerController.java

+152 −0
Original line number Diff line number Diff line
@@ -1882,6 +1882,10 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
                    ? BrightnessEvent.FLAG_USER_SET : 0));

            Slog.i(mTag, newEvent.toString(/* includeTime= */ false));



            // Log all events which are not temporary

            if (newEvent.getReason().getReason() != BrightnessReason.REASON_TEMPORARY) {

                logBrightnessEvent(newEvent, unthrottledBrightnessState);

            }

            if (userSetBrightnessChanged) {

                logManualBrightnessEvent(newEvent);

            }
@@ -2976,6 +2980,154 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
        }

    }



    // Return bucket index of range_[left]_[right] where

    // left <= nits < right

    private int nitsToRangeIndex(float nits) {

        float[] boundaries = {

            0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80,

            90, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1200,

            1400, 1600, 1800, 2000, 2250, 2500, 2750, 3000};

        int[] rangeIndex = {

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_UNKNOWN,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_0_1,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1_2,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2_3,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_3_4,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_4_5,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_5_6,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_6_7,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_7_8,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_8_9,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_9_10,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_10_20,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_20_30,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_30_40,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_40_50,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_50_60,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_60_70,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_70_80,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_80_90,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_90_100,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_100_200,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_200_300,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_300_400,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_400_500,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_500_600,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_600_700,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_700_800,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_800_900,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_900_1000,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1000_1200,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1200_1400,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1400_1600,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1600_1800,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1800_2000,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2000_2250,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2250_2500,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2500_2750,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2750_3000,

        };

        for (int i = 0; i < boundaries.length; i++) {

            if (nits < boundaries[i]) {

                return rangeIndex[i];

            }

        }

        return FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_3000_INF;

    }



    private int convertBrightnessReasonToStatsEnum(int brightnessReason) {

        switch(brightnessReason) {

            case BrightnessReason.REASON_UNKNOWN:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_UNKNOWN;

            case BrightnessReason.REASON_MANUAL:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_MANUAL;

            case BrightnessReason.REASON_DOZE:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_DOZE;

            case BrightnessReason.REASON_DOZE_DEFAULT:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_DOZE_DEFAULT;

            case BrightnessReason.REASON_AUTOMATIC:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_AUTOMATIC;

            case BrightnessReason.REASON_SCREEN_OFF:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_SCREEN_OFF;

            case BrightnessReason.REASON_OVERRIDE:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_OVERRIDE;

            case BrightnessReason.REASON_TEMPORARY:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_TEMPORARY;

            case BrightnessReason.REASON_BOOST:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_BOOST;

            case BrightnessReason.REASON_SCREEN_OFF_BRIGHTNESS_SENSOR:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_SCREEN_OFF_BRIGHTNESS_SENSOR;

            case BrightnessReason.REASON_FOLLOWER:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_FOLLOWER;

        }

        return FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_UNKNOWN;

    }



    private int convertHbmModeToStatsEnum(int mode) {

        switch(mode) {

            case BrightnessInfo.HIGH_BRIGHTNESS_MODE_OFF:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_OFF;

            case BrightnessInfo.HIGH_BRIGHTNESS_MODE_SUNLIGHT:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_SUNLIGHT;

            case BrightnessInfo.HIGH_BRIGHTNESS_MODE_HDR:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_HDR;

        }

        return FrameworkStatsLog

            .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_OFF;

    }



    // unmodifiedBrightness: the brightness value that has not been

    // modified by any modifiers(dimming/throttling/low-power-mode)

    private void logBrightnessEvent(BrightnessEvent event, float unmodifiedBrightness) {

        int modifier = event.getReason().getModifier();

        // It's easier to check if the brightness is at maximum level using the brightness

        // value untouched by any modifiers

        boolean brightnessIsMax = unmodifiedBrightness == event.getHbmMax();

        float brightnessInNits = convertToNits(event.getBrightness());

        float lowPowerModeFactor = event.getPowerFactor();

        int rbcStrength  = event.getRbcStrength();

        float hbmMaxNits = convertToNits(event.getHbmMax());

        float thermalCapNits = convertToNits(event.getThermalMax());



        if (mLogicalDisplay.getPrimaryDisplayDeviceLocked() != null

                && mLogicalDisplay.getPrimaryDisplayDeviceLocked()

                    .getDisplayDeviceInfoLocked().type == Display.TYPE_INTERNAL) {

            FrameworkStatsLog.write(FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2,

                    event.getPhysicalDisplayId().hashCode(),

                    brightnessInNits,

                    convertToNits(unmodifiedBrightness),

                    nitsToRangeIndex(brightnessInNits),

                    brightnessIsMax,

                    (event.getFlags() & BrightnessEvent.FLAG_USER_SET) > 0,

                    convertBrightnessReasonToStatsEnum(event.getReason().getReason()),

                    convertHbmModeToStatsEnum(event.getHbmMode()),

                    (modifier & BrightnessReason.MODIFIER_LOW_POWER) > 0,

                    (modifier & BrightnessReason.MODIFIER_THROTTLED) > 0,

                    event.isRbcEnabled(),

                    event.getLux(),

                    event.wasShortTermModelActive(),

                    lowPowerModeFactor,

                    rbcStrength,

                    hbmMaxNits,

                    thermalCapNits,

                    event.isAutomaticBrightnessEnabled());

        }

    }



    private void logManualBrightnessEvent(BrightnessEvent event) {

        float appliedLowPowerMode = event.isLowPowerModeSet() ? event.getPowerFactor() : -1f;

        int appliedRbcStrength  = event.isRbcEnabled() ? event.getRbcStrength() : -1;

services/core/java/com/android/server/display/DisplayPowerController2.java

+152 −0
Original line number Diff line number Diff line
@@ -1595,6 +1595,10 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal 
                    ? BrightnessEvent.FLAG_USER_SET : 0));

            Slog.i(mTag, newEvent.toString(/* includeTime= */ false));



            // Log all events which are not temporary

            if (newEvent.getReason().getReason() != BrightnessReason.REASON_TEMPORARY) {

                logBrightnessEvent(newEvent, unthrottledBrightnessState);

            }

            if (userSetBrightnessChanged) {

                logManualBrightnessEvent(newEvent);

            }
@@ -2512,6 +2516,154 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal 
        }

    }



    // Return bucket index of range_[left]_[right] where

    // left <= nits < right

    private int nitsToRangeIndex(float nits) {

        float[] boundaries = {

            0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80,

            90, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1200,

            1400, 1600, 1800, 2000, 2250, 2500, 2750, 3000};

        int[] rangeIndex = {

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_UNKNOWN,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_0_1,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1_2,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2_3,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_3_4,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_4_5,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_5_6,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_6_7,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_7_8,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_8_9,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_9_10,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_10_20,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_20_30,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_30_40,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_40_50,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_50_60,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_60_70,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_70_80,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_80_90,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_90_100,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_100_200,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_200_300,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_300_400,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_400_500,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_500_600,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_600_700,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_700_800,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_800_900,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_900_1000,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1000_1200,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1200_1400,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1400_1600,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1600_1800,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_1800_2000,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2000_2250,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2250_2500,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2500_2750,

            FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_2750_3000,

        };

        for (int i = 0; i < boundaries.length; i++) {

            if (nits < boundaries[i]) {

                return rangeIndex[i];

            }

        }

        return FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__BUCKET_INDEX__RANGE_3000_INF;

    }



    private int convertBrightnessReasonToStatsEnum(int brightnessReason) {

        switch(brightnessReason) {

            case BrightnessReason.REASON_UNKNOWN:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_UNKNOWN;

            case BrightnessReason.REASON_MANUAL:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_MANUAL;

            case BrightnessReason.REASON_DOZE:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_DOZE;

            case BrightnessReason.REASON_DOZE_DEFAULT:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_DOZE_DEFAULT;

            case BrightnessReason.REASON_AUTOMATIC:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_AUTOMATIC;

            case BrightnessReason.REASON_SCREEN_OFF:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_SCREEN_OFF;

            case BrightnessReason.REASON_OVERRIDE:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_OVERRIDE;

            case BrightnessReason.REASON_TEMPORARY:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_TEMPORARY;

            case BrightnessReason.REASON_BOOST:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_BOOST;

            case BrightnessReason.REASON_SCREEN_OFF_BRIGHTNESS_SENSOR:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_SCREEN_OFF_BRIGHTNESS_SENSOR;

            case BrightnessReason.REASON_FOLLOWER:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_FOLLOWER;

        }

        return FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2__REASON__REASON_UNKNOWN;

    }



    private int convertHbmModeToStatsEnum(int mode) {

        switch(mode) {

            case BrightnessInfo.HIGH_BRIGHTNESS_MODE_OFF:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_OFF;

            case BrightnessInfo.HIGH_BRIGHTNESS_MODE_SUNLIGHT:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_SUNLIGHT;

            case BrightnessInfo.HIGH_BRIGHTNESS_MODE_HDR:

                return FrameworkStatsLog

                    .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_HDR;

        }

        return FrameworkStatsLog

            .SCREEN_BRIGHTNESS_CHANGED_V2__HBM_MODE__HIGH_BRIGHTNESS_MODE_OFF;

    }



    // unmodifiedBrightness: the brightness value that has not been

    // modified by any modifiers(dimming/throttling/low-power-mode)

    private void logBrightnessEvent(BrightnessEvent event, float unmodifiedBrightness) {

        int modifier = event.getReason().getModifier();

        // It's easier to check if the brightness is at maximum level using the brightness

        // value untouched by any modifiers

        boolean brightnessIsMax = unmodifiedBrightness == event.getHbmMax();

        float brightnessInNits = convertToNits(event.getBrightness());

        float lowPowerModeFactor = event.getPowerFactor();

        int rbcStrength  = event.getRbcStrength();

        float hbmMaxNits = convertToNits(event.getHbmMax());

        float thermalCapNits = convertToNits(event.getThermalMax());



        if (mLogicalDisplay.getPrimaryDisplayDeviceLocked() != null

                && mLogicalDisplay.getPrimaryDisplayDeviceLocked()

                    .getDisplayDeviceInfoLocked().type == Display.TYPE_INTERNAL) {

            FrameworkStatsLog.write(FrameworkStatsLog.SCREEN_BRIGHTNESS_CHANGED_V2,

                    event.getPhysicalDisplayId().hashCode(),

                    brightnessInNits,

                    convertToNits(unmodifiedBrightness),

                    nitsToRangeIndex(brightnessInNits),

                    brightnessIsMax,

                    (event.getFlags() & BrightnessEvent.FLAG_USER_SET) > 0,

                    convertBrightnessReasonToStatsEnum(event.getReason().getReason()),

                    convertHbmModeToStatsEnum(event.getHbmMode()),

                    (modifier & BrightnessReason.MODIFIER_LOW_POWER) > 0,

                    (modifier & BrightnessReason.MODIFIER_THROTTLED) > 0,

                    event.isRbcEnabled(),

                    event.getLux(),

                    event.wasShortTermModelActive(),

                    lowPowerModeFactor,

                    rbcStrength,

                    hbmMaxNits,

                    thermalCapNits,

                    event.isAutomaticBrightnessEnabled());

        }

    }



    private final class DisplayControllerHandler extends Handler {

        DisplayControllerHandler(Looper looper) {

            super(looper, null, true /*async*/);