| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.server.power.stats; |
| |
| import android.os.BatteryConsumer; |
| import android.os.BatteryStats; |
| import android.os.BatteryUsageStats; |
| import android.os.BatteryUsageStatsQuery; |
| import android.os.UidBatteryConsumer; |
| import android.util.SparseArray; |
| |
| import com.android.internal.os.PowerProfile; |
| |
| /** |
| * A {@link PowerCalculator} to calculate power consumed by video hardware. |
| * |
| * Also see {@link PowerProfile#POWER_VIDEO}. |
| */ |
| public class VideoPowerCalculator extends PowerCalculator { |
| private final UsageBasedPowerEstimator mPowerEstimator; |
| |
| private static class PowerAndDuration { |
| public long durationMs; |
| public double powerMah; |
| } |
| |
| public VideoPowerCalculator(PowerProfile powerProfile) { |
| mPowerEstimator = new UsageBasedPowerEstimator( |
| powerProfile.getAveragePower(PowerProfile.POWER_VIDEO)); |
| } |
| |
| @Override |
| public boolean isPowerComponentSupported(@BatteryConsumer.PowerComponent int powerComponent) { |
| return powerComponent == BatteryConsumer.POWER_COMPONENT_VIDEO; |
| } |
| |
| @Override |
| public void calculate(BatteryUsageStats.Builder builder, BatteryStats batteryStats, |
| long rawRealtimeUs, long rawUptimeUs, BatteryUsageStatsQuery query) { |
| final PowerAndDuration total = new PowerAndDuration(); |
| |
| final SparseArray<UidBatteryConsumer.Builder> uidBatteryConsumerBuilders = |
| builder.getUidBatteryConsumerBuilders(); |
| for (int i = uidBatteryConsumerBuilders.size() - 1; i >= 0; i--) { |
| final UidBatteryConsumer.Builder app = uidBatteryConsumerBuilders.valueAt(i); |
| calculateApp(app, total, app.getBatteryStatsUid(), rawRealtimeUs); |
| } |
| |
| builder.getAggregateBatteryConsumerBuilder( |
| BatteryUsageStats.AGGREGATE_BATTERY_CONSUMER_SCOPE_DEVICE) |
| .setUsageDurationMillis(BatteryConsumer.POWER_COMPONENT_VIDEO, total.durationMs) |
| .setConsumedPower(BatteryConsumer.POWER_COMPONENT_VIDEO, total.powerMah); |
| |
| builder.getAggregateBatteryConsumerBuilder( |
| BatteryUsageStats.AGGREGATE_BATTERY_CONSUMER_SCOPE_ALL_APPS) |
| .setUsageDurationMillis(BatteryConsumer.POWER_COMPONENT_VIDEO, total.durationMs) |
| .setConsumedPower(BatteryConsumer.POWER_COMPONENT_VIDEO, total.powerMah); |
| } |
| |
| private void calculateApp(UidBatteryConsumer.Builder app, PowerAndDuration total, |
| BatteryStats.Uid u, long rawRealtimeUs) { |
| final long durationMs = mPowerEstimator.calculateDuration(u.getVideoTurnedOnTimer(), |
| rawRealtimeUs, BatteryStats.STATS_SINCE_CHARGED); |
| final double powerMah = mPowerEstimator.calculatePower(durationMs); |
| app.setUsageDurationMillis(BatteryConsumer.POWER_COMPONENT_VIDEO, durationMs) |
| .setConsumedPower(BatteryConsumer.POWER_COMPONENT_VIDEO, powerMah); |
| if (!app.isVirtualUid()) { |
| total.durationMs += durationMs; |
| total.powerMah += powerMah; |
| } |
| } |
| } |