| /* |
| * Copyright (C) 2015 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.internal.os; |
| |
| import android.os.BatteryStats; |
| import android.util.Log; |
| |
| public class BluetoothPowerCalculator extends PowerCalculator { |
| private static final boolean DEBUG = BatteryStatsHelper.DEBUG; |
| private static final String TAG = "BluetoothPowerCalculator"; |
| private final double mIdleMa; |
| private final double mRxMa; |
| private final double mTxMa; |
| private double mAppTotalPowerMah = 0; |
| private long mAppTotalTimeMs = 0; |
| |
| public BluetoothPowerCalculator(PowerProfile profile) { |
| mIdleMa = profile.getAveragePower(PowerProfile.POWER_BLUETOOTH_CONTROLLER_IDLE); |
| mRxMa = profile.getAveragePower(PowerProfile.POWER_BLUETOOTH_CONTROLLER_RX); |
| mTxMa = profile.getAveragePower(PowerProfile.POWER_BLUETOOTH_CONTROLLER_TX); |
| } |
| |
| @Override |
| public void calculateApp(BatterySipper app, BatteryStats.Uid u, long rawRealtimeUs, |
| long rawUptimeUs, int statsType) { |
| |
| final BatteryStats.ControllerActivityCounter counter = u.getBluetoothControllerActivity(); |
| if (counter == null) { |
| return; |
| } |
| |
| final long idleTimeMs = counter.getIdleTimeCounter().getCountLocked(statsType); |
| final long rxTimeMs = counter.getRxTimeCounter().getCountLocked(statsType); |
| final long txTimeMs = counter.getTxTimeCounters()[0].getCountLocked(statsType); |
| final long totalTimeMs = idleTimeMs + txTimeMs + rxTimeMs; |
| double powerMah = counter.getPowerCounter().getCountLocked(statsType) |
| / (double)(1000*60*60); |
| |
| if (powerMah == 0) { |
| powerMah = ((idleTimeMs * mIdleMa) + (rxTimeMs * mRxMa) + (txTimeMs * mTxMa)) |
| / (1000*60*60); |
| } |
| |
| app.bluetoothPowerMah = powerMah; |
| app.bluetoothRunningTimeMs = totalTimeMs; |
| app.btRxBytes = u.getNetworkActivityBytes(BatteryStats.NETWORK_BT_RX_DATA, statsType); |
| app.btTxBytes = u.getNetworkActivityBytes(BatteryStats.NETWORK_BT_TX_DATA, statsType); |
| |
| mAppTotalPowerMah += powerMah; |
| mAppTotalTimeMs += totalTimeMs; |
| } |
| |
| @Override |
| public void calculateRemaining(BatterySipper app, BatteryStats stats, long rawRealtimeUs, |
| long rawUptimeUs, int statsType) { |
| final BatteryStats.ControllerActivityCounter counter = |
| stats.getBluetoothControllerActivity(); |
| |
| final long idleTimeMs = counter.getIdleTimeCounter().getCountLocked(statsType); |
| final long txTimeMs = counter.getTxTimeCounters()[0].getCountLocked(statsType); |
| final long rxTimeMs = counter.getRxTimeCounter().getCountLocked(statsType); |
| final long totalTimeMs = idleTimeMs + txTimeMs + rxTimeMs; |
| double powerMah = counter.getPowerCounter().getCountLocked(statsType) |
| / (double)(1000*60*60); |
| |
| if (powerMah == 0) { |
| // Some devices do not report the power, so calculate it. |
| powerMah = ((idleTimeMs * mIdleMa) + (rxTimeMs * mRxMa) + (txTimeMs * mTxMa)) |
| / (1000*60*60); |
| } |
| |
| // Subtract what the apps used, but clamp to 0. |
| powerMah = Math.max(0, powerMah - mAppTotalPowerMah); |
| |
| if (DEBUG && powerMah != 0) { |
| Log.d(TAG, "Bluetooth active: time=" + (totalTimeMs) |
| + " power=" + BatteryStatsHelper.makemAh(powerMah)); |
| } |
| |
| app.bluetoothPowerMah = powerMah; |
| app.bluetoothRunningTimeMs = Math.max(0, totalTimeMs - mAppTotalTimeMs); |
| } |
| |
| @Override |
| public void reset() { |
| mAppTotalPowerMah = 0; |
| mAppTotalTimeMs = 0; |
| } |
| } |