| /* |
| * 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.ArrayMap; |
| import android.util.Log; |
| |
| public class WakelockPowerCalculator extends PowerCalculator { |
| private static final String TAG = "WakelockPowerCalculator"; |
| private static final boolean DEBUG = BatteryStatsHelper.DEBUG; |
| private final double mPowerWakelock; |
| private long mTotalAppWakelockTimeMs = 0; |
| |
| public WakelockPowerCalculator(PowerProfile profile) { |
| mPowerWakelock = profile.getAveragePower(PowerProfile.POWER_CPU_IDLE); |
| } |
| |
| @Override |
| public void calculateApp(BatterySipper app, BatteryStats.Uid u, long rawRealtimeUs, |
| long rawUptimeUs, int statsType) { |
| long wakeLockTimeUs = 0; |
| final ArrayMap<String, ? extends BatteryStats.Uid.Wakelock> wakelockStats = |
| u.getWakelockStats(); |
| final int wakelockStatsCount = wakelockStats.size(); |
| for (int i = 0; i < wakelockStatsCount; i++) { |
| final BatteryStats.Uid.Wakelock wakelock = wakelockStats.valueAt(i); |
| |
| // Only care about partial wake locks since full wake locks |
| // are canceled when the user turns the screen off. |
| BatteryStats.Timer timer = wakelock.getWakeTime(BatteryStats.WAKE_TYPE_PARTIAL); |
| if (timer != null) { |
| wakeLockTimeUs += timer.getTotalTimeLocked(rawRealtimeUs, statsType); |
| } |
| } |
| app.wakeLockTimeMs = wakeLockTimeUs / 1000; // convert to millis |
| mTotalAppWakelockTimeMs += app.wakeLockTimeMs; |
| |
| // Add cost of holding a wake lock. |
| app.wakeLockPowerMah = (app.wakeLockTimeMs * mPowerWakelock) / (1000*60*60); |
| if (DEBUG && app.wakeLockPowerMah != 0) { |
| Log.d(TAG, "UID " + u.getUid() + ": wake " + app.wakeLockTimeMs |
| + " power=" + BatteryStatsHelper.makemAh(app.wakeLockPowerMah)); |
| } |
| } |
| |
| @Override |
| public void calculateRemaining(BatterySipper app, BatteryStats stats, long rawRealtimeUs, |
| long rawUptimeUs, int statsType) { |
| long wakeTimeMillis = stats.getBatteryUptime(rawUptimeUs) / 1000; |
| wakeTimeMillis -= mTotalAppWakelockTimeMs |
| + (stats.getScreenOnTime(rawRealtimeUs, statsType) / 1000); |
| if (wakeTimeMillis > 0) { |
| final double power = (wakeTimeMillis * mPowerWakelock) / (1000*60*60); |
| if (DEBUG) { |
| Log.d(TAG, "OS wakeLockTime " + wakeTimeMillis + " power " |
| + BatteryStatsHelper.makemAh(power)); |
| } |
| app.wakeLockTimeMs += wakeTimeMillis; |
| app.wakeLockPowerMah += power; |
| } |
| } |
| |
| @Override |
| public void reset() { |
| mTotalAppWakelockTimeMs = 0; |
| } |
| } |