Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.internal.os; |
| 18 | |
| 19 | import static android.os.BatteryStats.NETWORK_MOBILE_RX_DATA; |
| 20 | import static android.os.BatteryStats.NETWORK_MOBILE_TX_DATA; |
| 21 | import static android.os.BatteryStats.NETWORK_WIFI_RX_DATA; |
| 22 | import static android.os.BatteryStats.NETWORK_WIFI_TX_DATA; |
| 23 | |
| 24 | import android.content.Context; |
| 25 | import android.hardware.Sensor; |
| 26 | import android.hardware.SensorManager; |
| 27 | import android.net.ConnectivityManager; |
| 28 | import android.os.BatteryStats; |
| 29 | import android.os.BatteryStats.Uid; |
| 30 | import android.os.Bundle; |
| 31 | import android.os.Parcel; |
| 32 | import android.os.Process; |
| 33 | import android.os.RemoteException; |
| 34 | import android.os.ServiceManager; |
| 35 | import android.os.SystemClock; |
| 36 | import android.os.UserHandle; |
| 37 | import android.telephony.SignalStrength; |
| 38 | import android.util.Log; |
| 39 | import android.util.SparseArray; |
| 40 | |
| 41 | import com.android.internal.app.IBatteryStats; |
| 42 | import com.android.internal.os.BatterySipper.DrainType; |
| 43 | |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 44 | import java.util.ArrayList; |
| 45 | import java.util.Collections; |
| 46 | import java.util.List; |
| 47 | import java.util.Map; |
| 48 | |
| 49 | /** |
| 50 | * A helper class for retrieving the power usage information for all applications and services. |
| 51 | * |
| 52 | * The caller must initialize this class as soon as activity object is ready to use (for example, in |
| 53 | * onAttach() for Fragment), call create() in onCreate() and call destroy() in onDestroy(). |
| 54 | */ |
| 55 | public class BatteryStatsHelper { |
| 56 | |
Dianne Hackborn | eaf2ac4 | 2014-02-07 13:01:07 -0800 | [diff] [blame] | 57 | private static final boolean DEBUG = false; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 58 | |
| 59 | private static final String TAG = BatteryStatsHelper.class.getSimpleName(); |
| 60 | |
| 61 | private static BatteryStats sStatsXfer; |
| 62 | |
| 63 | final private Context mContext; |
| 64 | |
| 65 | private IBatteryStats mBatteryInfo; |
| 66 | private BatteryStats mStats; |
| 67 | private PowerProfile mPowerProfile; |
| 68 | |
| 69 | private final List<BatterySipper> mUsageList = new ArrayList<BatterySipper>(); |
| 70 | private final List<BatterySipper> mWifiSippers = new ArrayList<BatterySipper>(); |
| 71 | private final List<BatterySipper> mBluetoothSippers = new ArrayList<BatterySipper>(); |
| 72 | private final SparseArray<List<BatterySipper>> mUserSippers |
| 73 | = new SparseArray<List<BatterySipper>>(); |
| 74 | private final SparseArray<Double> mUserPower = new SparseArray<Double>(); |
| 75 | |
| 76 | private int mStatsType = BatteryStats.STATS_SINCE_CHARGED; |
| 77 | private int mAsUser = 0; |
| 78 | |
| 79 | long mBatteryRealtime; |
| 80 | long mBatteryUptime; |
| 81 | long mTypeBatteryRealtime; |
| 82 | long mTypeBatteryUptime; |
| 83 | |
| 84 | private long mStatsPeriod = 0; |
| 85 | private double mMaxPower = 1; |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 86 | private double mComputedPower; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 87 | private double mTotalPower; |
| 88 | private double mWifiPower; |
| 89 | private double mBluetoothPower; |
| 90 | private double mMinDrainedPower; |
| 91 | private double mMaxDrainedPower; |
| 92 | |
| 93 | // How much the apps together have left WIFI running. |
| 94 | private long mAppWifiRunning; |
| 95 | |
| 96 | public BatteryStatsHelper(Context context) { |
| 97 | mContext = context; |
| 98 | } |
| 99 | |
| 100 | /** Clears the current stats and forces recreating for future use. */ |
| 101 | public void clearStats() { |
| 102 | mStats = null; |
| 103 | } |
| 104 | |
| 105 | public BatteryStats getStats() { |
| 106 | if (mStats == null) { |
| 107 | load(); |
| 108 | } |
| 109 | return mStats; |
| 110 | } |
| 111 | |
| 112 | public PowerProfile getPowerProfile() { |
| 113 | return mPowerProfile; |
| 114 | } |
| 115 | |
| 116 | public void create(BatteryStats stats) { |
| 117 | mPowerProfile = new PowerProfile(mContext); |
| 118 | mStats = stats; |
| 119 | } |
| 120 | |
| 121 | public void create(Bundle icicle) { |
| 122 | if (icicle != null) { |
| 123 | mStats = sStatsXfer; |
| 124 | } |
| 125 | mBatteryInfo = IBatteryStats.Stub.asInterface( |
| 126 | ServiceManager.getService(BatteryStats.SERVICE_NAME)); |
| 127 | mPowerProfile = new PowerProfile(mContext); |
| 128 | } |
| 129 | |
| 130 | public void storeState() { |
| 131 | sStatsXfer = mStats; |
| 132 | } |
| 133 | |
| 134 | public static String makemAh(double power) { |
| 135 | if (power < .0001) return String.format("%.8f", power); |
| 136 | else if (power < .0001) return String.format("%.7f", power); |
| 137 | else if (power < .001) return String.format("%.6f", power); |
| 138 | else if (power < .01) return String.format("%.5f", power); |
| 139 | else if (power < .1) return String.format("%.4f", power); |
| 140 | else if (power < 1) return String.format("%.3f", power); |
| 141 | else if (power < 10) return String.format("%.2f", power); |
| 142 | else if (power < 100) return String.format("%.1f", power); |
| 143 | else return String.format("%.0f", power); |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Refreshes the power usage list. |
| 148 | */ |
| 149 | public void refreshStats(int statsType, int asUser) { |
| 150 | refreshStats(statsType, asUser, SystemClock.elapsedRealtime() * 1000, |
| 151 | SystemClock.uptimeMillis() * 1000); |
| 152 | } |
| 153 | |
| 154 | public void refreshStats(int statsType, int asUser, long rawRealtimeNano, long rawUptimeNano) { |
| 155 | // Initialize mStats if necessary. |
| 156 | getStats(); |
| 157 | |
| 158 | mMaxPower = 0; |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 159 | mComputedPower = 0; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 160 | mTotalPower = 0; |
| 161 | mWifiPower = 0; |
| 162 | mBluetoothPower = 0; |
| 163 | mAppWifiRunning = 0; |
| 164 | |
| 165 | mUsageList.clear(); |
| 166 | mWifiSippers.clear(); |
| 167 | mBluetoothSippers.clear(); |
| 168 | mUserSippers.clear(); |
| 169 | mUserPower.clear(); |
| 170 | |
| 171 | if (mStats == null) { |
| 172 | return; |
| 173 | } |
| 174 | |
| 175 | mStatsType = statsType; |
| 176 | mAsUser = asUser; |
| 177 | mBatteryUptime = mStats.getBatteryUptime(rawUptimeNano); |
| 178 | mBatteryRealtime = mStats.getBatteryRealtime(rawRealtimeNano); |
| 179 | mTypeBatteryUptime = mStats.computeBatteryUptime(rawUptimeNano, mStatsType); |
| 180 | mTypeBatteryRealtime = mStats.computeBatteryRealtime(rawRealtimeNano, mStatsType); |
| 181 | |
| 182 | if (DEBUG) { |
| 183 | Log.d(TAG, "Raw time: realtime=" + (rawRealtimeNano/1000) + " uptime=" |
| 184 | + (rawUptimeNano/1000)); |
| 185 | Log.d(TAG, "Battery time: realtime=" + (mBatteryRealtime/1000) + " uptime=" |
| 186 | + (mBatteryUptime/1000)); |
| 187 | Log.d(TAG, "Battery type time: realtime=" + (mTypeBatteryRealtime/1000) + " uptime=" |
| 188 | + (mTypeBatteryUptime/1000)); |
| 189 | } |
| 190 | mMinDrainedPower = (mStats.getLowDischargeAmountSinceCharge() |
| 191 | * mPowerProfile.getBatteryCapacity()) / 100; |
| 192 | mMaxDrainedPower = (mStats.getHighDischargeAmountSinceCharge() |
| 193 | * mPowerProfile.getBatteryCapacity()) / 100; |
| 194 | |
| 195 | processAppUsage(); |
| 196 | processMiscUsage(); |
| 197 | |
| 198 | if (DEBUG) { |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 199 | Log.d(TAG, "Accuracy: total computed=" + makemAh(mComputedPower) + ", min discharge=" |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 200 | + makemAh(mMinDrainedPower) + ", max discharge=" + makemAh(mMaxDrainedPower)); |
| 201 | } |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 202 | mTotalPower = mComputedPower; |
| 203 | if (mStats.getLowDischargeAmountSinceCharge() > 1) { |
| 204 | if (mMinDrainedPower > mComputedPower) { |
| 205 | double amount = mMinDrainedPower - mComputedPower; |
| 206 | mTotalPower = mMinDrainedPower; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 207 | addEntryNoTotal(BatterySipper.DrainType.UNACCOUNTED, 0, amount); |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 208 | } else if (mMaxDrainedPower < mComputedPower) { |
| 209 | double amount = mComputedPower - mMaxDrainedPower; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 210 | addEntryNoTotal(BatterySipper.DrainType.OVERCOUNTED, 0, amount); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | Collections.sort(mUsageList); |
| 215 | } |
| 216 | |
| 217 | private void processAppUsage() { |
| 218 | SensorManager sensorManager = (SensorManager) mContext.getSystemService( |
| 219 | Context.SENSOR_SERVICE); |
| 220 | final int which = mStatsType; |
| 221 | final int speedSteps = mPowerProfile.getNumSpeedSteps(); |
| 222 | final double[] powerCpuNormal = new double[speedSteps]; |
| 223 | final long[] cpuSpeedStepTimes = new long[speedSteps]; |
| 224 | for (int p = 0; p < speedSteps; p++) { |
| 225 | powerCpuNormal[p] = mPowerProfile.getAveragePower(PowerProfile.POWER_CPU_ACTIVE, p); |
| 226 | } |
| 227 | final double mobilePowerPerPacket = getMobilePowerPerPacket(); |
| 228 | final double wifiPowerPerPacket = getWifiPowerPerPacket(); |
| 229 | long appWakelockTime = 0; |
| 230 | BatterySipper osApp = null; |
| 231 | mStatsPeriod = mTypeBatteryRealtime; |
| 232 | SparseArray<? extends Uid> uidStats = mStats.getUidStats(); |
| 233 | final int NU = uidStats.size(); |
| 234 | for (int iu = 0; iu < NU; iu++) { |
| 235 | Uid u = uidStats.valueAt(iu); |
| 236 | double p; // in mAs |
| 237 | double power = 0; // in mAs |
| 238 | double highestDrain = 0; |
| 239 | String packageWithHighestDrain = null; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 240 | Map<String, ? extends BatteryStats.Uid.Proc> processStats = u.getProcessStats(); |
| 241 | long cpuTime = 0; |
| 242 | long cpuFgTime = 0; |
| 243 | long wakelockTime = 0; |
| 244 | long gpsTime = 0; |
| 245 | if (processStats.size() > 0) { |
| 246 | // Process CPU time |
| 247 | for (Map.Entry<String, ? extends BatteryStats.Uid.Proc> ent |
| 248 | : processStats.entrySet()) { |
| 249 | Uid.Proc ps = ent.getValue(); |
| 250 | final long userTime = ps.getUserTime(which); |
| 251 | final long systemTime = ps.getSystemTime(which); |
| 252 | final long foregroundTime = ps.getForegroundTime(which); |
| 253 | cpuFgTime += foregroundTime * 10; // convert to millis |
| 254 | final long tmpCpuTime = (userTime + systemTime) * 10; // convert to millis |
| 255 | int totalTimeAtSpeeds = 0; |
| 256 | // Get the total first |
| 257 | for (int step = 0; step < speedSteps; step++) { |
| 258 | cpuSpeedStepTimes[step] = ps.getTimeAtCpuSpeedStep(step, which); |
| 259 | totalTimeAtSpeeds += cpuSpeedStepTimes[step]; |
| 260 | } |
| 261 | if (totalTimeAtSpeeds == 0) totalTimeAtSpeeds = 1; |
| 262 | // Then compute the ratio of time spent at each speed |
| 263 | double processPower = 0; |
| 264 | for (int step = 0; step < speedSteps; step++) { |
| 265 | double ratio = (double) cpuSpeedStepTimes[step] / totalTimeAtSpeeds; |
| 266 | if (DEBUG && ratio != 0) Log.d(TAG, "UID " + u.getUid() + ": CPU step #" |
| 267 | + step + " ratio=" + makemAh(ratio) + " power=" |
| 268 | + makemAh(ratio*tmpCpuTime*powerCpuNormal[step] / (60*60*1000))); |
| 269 | processPower += ratio * tmpCpuTime * powerCpuNormal[step]; |
| 270 | } |
| 271 | cpuTime += tmpCpuTime; |
| 272 | if (DEBUG && processPower != 0) { |
| 273 | Log.d(TAG, String.format("process %s, cpu power=%s", |
| 274 | ent.getKey(), makemAh(processPower / (60*60*1000)))); |
| 275 | } |
| 276 | power += processPower; |
| 277 | if (packageWithHighestDrain == null |
| 278 | || packageWithHighestDrain.startsWith("*")) { |
| 279 | highestDrain = processPower; |
| 280 | packageWithHighestDrain = ent.getKey(); |
| 281 | } else if (highestDrain < processPower |
| 282 | && !ent.getKey().startsWith("*")) { |
| 283 | highestDrain = processPower; |
| 284 | packageWithHighestDrain = ent.getKey(); |
| 285 | } |
| 286 | } |
| 287 | } |
| 288 | if (cpuFgTime > cpuTime) { |
| 289 | if (DEBUG && cpuFgTime > cpuTime + 10000) { |
| 290 | Log.d(TAG, "WARNING! Cputime is more than 10 seconds behind Foreground time"); |
| 291 | } |
| 292 | cpuTime = cpuFgTime; // Statistics may not have been gathered yet. |
| 293 | } |
| 294 | power /= (60*60*1000); |
| 295 | |
| 296 | // Process wake lock usage |
| 297 | Map<String, ? extends BatteryStats.Uid.Wakelock> wakelockStats = u.getWakelockStats(); |
| 298 | for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> wakelockEntry |
| 299 | : wakelockStats.entrySet()) { |
| 300 | Uid.Wakelock wakelock = wakelockEntry.getValue(); |
| 301 | // Only care about partial wake locks since full wake locks |
| 302 | // are canceled when the user turns the screen off. |
| 303 | BatteryStats.Timer timer = wakelock.getWakeTime(BatteryStats.WAKE_TYPE_PARTIAL); |
| 304 | if (timer != null) { |
| 305 | wakelockTime += timer.getTotalTimeLocked(mBatteryRealtime, which); |
| 306 | } |
| 307 | } |
| 308 | wakelockTime /= 1000; // convert to millis |
| 309 | appWakelockTime += wakelockTime; |
| 310 | |
| 311 | // Add cost of holding a wake lock |
| 312 | p = (wakelockTime |
| 313 | * mPowerProfile.getAveragePower(PowerProfile.POWER_CPU_AWAKE)) / (60*60*1000); |
| 314 | if (DEBUG && p != 0) Log.d(TAG, "UID " + u.getUid() + ": wake " |
| 315 | + wakelockTime + " power=" + makemAh(p)); |
| 316 | power += p; |
| 317 | |
| 318 | // Add cost of mobile traffic |
| 319 | final long mobileRx = u.getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, mStatsType); |
| 320 | final long mobileTx = u.getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, mStatsType); |
| 321 | final long mobileRxB = u.getNetworkActivityBytes(NETWORK_MOBILE_RX_DATA, mStatsType); |
| 322 | final long mobileTxB = u.getNetworkActivityBytes(NETWORK_MOBILE_TX_DATA, mStatsType); |
| 323 | p = (mobileRx + mobileTx) * mobilePowerPerPacket; |
| 324 | if (DEBUG && p != 0) Log.d(TAG, "UID " + u.getUid() + ": mobile packets " |
| 325 | + (mobileRx+mobileTx) + " power=" + makemAh(p)); |
| 326 | power += p; |
| 327 | |
| 328 | // Add cost of wifi traffic |
| 329 | final long wifiRx = u.getNetworkActivityPackets(NETWORK_WIFI_RX_DATA, mStatsType); |
| 330 | final long wifiTx = u.getNetworkActivityPackets(NETWORK_WIFI_TX_DATA, mStatsType); |
| 331 | final long wifiRxB = u.getNetworkActivityBytes(NETWORK_WIFI_RX_DATA, mStatsType); |
| 332 | final long wifiTxB = u.getNetworkActivityBytes(NETWORK_WIFI_TX_DATA, mStatsType); |
| 333 | p = (wifiRx + wifiTx) * wifiPowerPerPacket; |
| 334 | if (DEBUG && p != 0) Log.d(TAG, "UID " + u.getUid() + ": wifi packets " |
| 335 | + (mobileRx+mobileTx) + " power=" + makemAh(p)); |
| 336 | power += p; |
| 337 | |
| 338 | // Add cost of keeping WIFI running. |
| 339 | long wifiRunningTimeMs = u.getWifiRunningTime(mBatteryRealtime, which) / 1000; |
| 340 | mAppWifiRunning += wifiRunningTimeMs; |
| 341 | p = (wifiRunningTimeMs |
| 342 | * mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_ON)) / (60*60*1000); |
| 343 | if (DEBUG && p != 0) Log.d(TAG, "UID " + u.getUid() + ": wifi running " |
| 344 | + wifiRunningTimeMs + " power=" + makemAh(p)); |
| 345 | power += p; |
| 346 | |
| 347 | // Add cost of WIFI scans |
| 348 | long wifiScanTimeMs = u.getWifiScanTime(mBatteryRealtime, which) / 1000; |
| 349 | p = (wifiScanTimeMs |
| 350 | * mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_SCAN)) / (60*60*1000); |
| 351 | if (DEBUG) Log.d(TAG, "UID " + u.getUid() + ": wifi scan " + wifiScanTimeMs |
| 352 | + " power=" + makemAh(p)); |
| 353 | power += p; |
| 354 | for (int bin = 0; bin < BatteryStats.Uid.NUM_WIFI_BATCHED_SCAN_BINS; bin++) { |
| 355 | long batchScanTimeMs = u.getWifiBatchedScanTime(bin, mBatteryRealtime, which) / 1000; |
| 356 | p = ((batchScanTimeMs |
| 357 | * mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_BATCHED_SCAN, bin)) |
| 358 | ) / (60*60*1000); |
| 359 | if (DEBUG && p != 0) Log.d(TAG, "UID " + u.getUid() + ": wifi batched scan # " + bin |
| 360 | + " time=" + batchScanTimeMs + " power=" + makemAh(p)); |
| 361 | power += p; |
| 362 | } |
| 363 | |
| 364 | // Process Sensor usage |
| 365 | Map<Integer, ? extends BatteryStats.Uid.Sensor> sensorStats = u.getSensorStats(); |
| 366 | for (Map.Entry<Integer, ? extends BatteryStats.Uid.Sensor> sensorEntry |
| 367 | : sensorStats.entrySet()) { |
| 368 | Uid.Sensor sensor = sensorEntry.getValue(); |
| 369 | int sensorHandle = sensor.getHandle(); |
| 370 | BatteryStats.Timer timer = sensor.getSensorTime(); |
| 371 | long sensorTime = timer.getTotalTimeLocked(mBatteryRealtime, which) / 1000; |
| 372 | double multiplier = 0; |
| 373 | switch (sensorHandle) { |
| 374 | case Uid.Sensor.GPS: |
| 375 | multiplier = mPowerProfile.getAveragePower(PowerProfile.POWER_GPS_ON); |
| 376 | gpsTime = sensorTime; |
| 377 | break; |
| 378 | default: |
| 379 | List<Sensor> sensorList = sensorManager.getSensorList( |
| 380 | android.hardware.Sensor.TYPE_ALL); |
| 381 | for (android.hardware.Sensor s : sensorList) { |
| 382 | if (s.getHandle() == sensorHandle) { |
| 383 | multiplier = s.getPower(); |
| 384 | break; |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | p = (multiplier * sensorTime) / (60*60*1000); |
| 389 | if (DEBUG && p != 0) Log.d(TAG, "UID " + u.getUid() + ": sensor #" + sensorHandle |
| 390 | + " time=" + sensorTime + " power=" + makemAh(p)); |
| 391 | power += p; |
| 392 | } |
| 393 | |
| 394 | if (DEBUG && power != 0) Log.d(TAG, String.format("UID %d: total power=%s", |
| 395 | u.getUid(), makemAh(power))); |
| 396 | |
| 397 | // Add the app to the list if it is consuming power |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 398 | final int userId = UserHandle.getUserId(u.getUid()); |
| 399 | if (power != 0 || u.getUid() == 0) { |
| 400 | BatterySipper app = new BatterySipper(BatterySipper.DrainType.APP, u, |
| 401 | new double[] {power}); |
| 402 | app.cpuTime = cpuTime; |
| 403 | app.gpsTime = gpsTime; |
| 404 | app.wifiRunningTime = wifiRunningTimeMs; |
| 405 | app.cpuFgTime = cpuFgTime; |
| 406 | app.wakeLockTime = wakelockTime; |
| 407 | app.mobileRxPackets = mobileRx; |
| 408 | app.mobileTxPackets = mobileTx; |
| 409 | app.wifiRxPackets = wifiRx; |
| 410 | app.wifiTxPackets = wifiTx; |
| 411 | app.mobileRxBytes = mobileRxB; |
| 412 | app.mobileTxBytes = mobileTxB; |
| 413 | app.wifiRxBytes = wifiRxB; |
| 414 | app.wifiTxBytes = wifiTxB; |
| 415 | app.packageWithHighestDrain = packageWithHighestDrain; |
| 416 | if (u.getUid() == Process.WIFI_UID) { |
| 417 | mWifiSippers.add(app); |
Dianne Hackborn | ae19a06 | 2014-01-16 16:18:23 -0800 | [diff] [blame] | 418 | mWifiPower += power; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 419 | } else if (u.getUid() == Process.BLUETOOTH_UID) { |
| 420 | mBluetoothSippers.add(app); |
Dianne Hackborn | ae19a06 | 2014-01-16 16:18:23 -0800 | [diff] [blame] | 421 | mBluetoothPower += power; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 422 | } else if (mAsUser != UserHandle.USER_ALL && userId != mAsUser |
| 423 | && UserHandle.getAppId(u.getUid()) >= Process.FIRST_APPLICATION_UID) { |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 424 | List<BatterySipper> list = mUserSippers.get(userId); |
| 425 | if (list == null) { |
| 426 | list = new ArrayList<BatterySipper>(); |
| 427 | mUserSippers.put(userId, list); |
| 428 | } |
| 429 | list.add(app); |
Dianne Hackborn | ae19a06 | 2014-01-16 16:18:23 -0800 | [diff] [blame] | 430 | if (power != 0) { |
| 431 | Double userPower = mUserPower.get(userId); |
| 432 | if (userPower == null) { |
| 433 | userPower = power; |
| 434 | } else { |
| 435 | userPower += power; |
| 436 | } |
| 437 | mUserPower.put(userId, userPower); |
| 438 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 439 | } else { |
| 440 | mUsageList.add(app); |
Dianne Hackborn | ae19a06 | 2014-01-16 16:18:23 -0800 | [diff] [blame] | 441 | if (power > mMaxPower) mMaxPower = power; |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 442 | mComputedPower += power; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 443 | } |
| 444 | if (u.getUid() == 0) { |
| 445 | osApp = app; |
| 446 | } |
| 447 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | // The device has probably been awake for longer than the screen on |
| 451 | // time and application wake lock time would account for. Assign |
| 452 | // this remainder to the OS, if possible. |
| 453 | if (osApp != null) { |
| 454 | long wakeTimeMillis = mBatteryUptime / 1000; |
| 455 | wakeTimeMillis -= appWakelockTime |
| 456 | + (mStats.getScreenOnTime(mBatteryRealtime, which) / 1000); |
| 457 | if (wakeTimeMillis > 0) { |
| 458 | double power = (wakeTimeMillis |
| 459 | * mPowerProfile.getAveragePower(PowerProfile.POWER_CPU_AWAKE)) |
| 460 | / (60*60*1000); |
| 461 | if (DEBUG) Log.d(TAG, "OS wakeLockTime " + wakeTimeMillis + " power " |
| 462 | + makemAh(power)); |
| 463 | osApp.wakeLockTime += wakeTimeMillis; |
| 464 | osApp.value += power; |
| 465 | osApp.values[0] += power; |
| 466 | if (osApp.value > mMaxPower) mMaxPower = osApp.value; |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 467 | mComputedPower += power; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 468 | } |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | private void addPhoneUsage() { |
| 473 | long phoneOnTimeMs = mStats.getPhoneOnTime(mBatteryRealtime, mStatsType) / 1000; |
| 474 | double phoneOnPower = mPowerProfile.getAveragePower(PowerProfile.POWER_RADIO_ACTIVE) |
| 475 | * phoneOnTimeMs / (60*60*1000); |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 476 | if (phoneOnPower != 0) { |
| 477 | addEntry(BatterySipper.DrainType.PHONE, phoneOnTimeMs, phoneOnPower); |
| 478 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 479 | } |
| 480 | |
| 481 | private void addScreenUsage() { |
| 482 | double power = 0; |
| 483 | long screenOnTimeMs = mStats.getScreenOnTime(mBatteryRealtime, mStatsType) / 1000; |
| 484 | power += screenOnTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_SCREEN_ON); |
| 485 | final double screenFullPower = |
| 486 | mPowerProfile.getAveragePower(PowerProfile.POWER_SCREEN_FULL); |
| 487 | for (int i = 0; i < BatteryStats.NUM_SCREEN_BRIGHTNESS_BINS; i++) { |
| 488 | double screenBinPower = screenFullPower * (i + 0.5f) |
| 489 | / BatteryStats.NUM_SCREEN_BRIGHTNESS_BINS; |
| 490 | long brightnessTime = mStats.getScreenBrightnessTime(i, mBatteryRealtime, mStatsType) |
| 491 | / 1000; |
| 492 | double p = screenBinPower*brightnessTime; |
| 493 | if (DEBUG && p != 0) { |
| 494 | Log.d(TAG, "Screen bin #" + i + ": time=" + brightnessTime |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 495 | + " power=" + makemAh(p / (60 * 60 * 1000))); |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 496 | } |
| 497 | power += p; |
| 498 | } |
| 499 | power /= (60*60*1000); // To hours |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 500 | if (power != 0) { |
| 501 | addEntry(BatterySipper.DrainType.SCREEN, screenOnTimeMs, power); |
| 502 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 503 | } |
| 504 | |
| 505 | private void addRadioUsage() { |
| 506 | double power = 0; |
| 507 | final int BINS = SignalStrength.NUM_SIGNAL_STRENGTH_BINS; |
| 508 | long signalTimeMs = 0; |
| 509 | long noCoverageTimeMs = 0; |
| 510 | for (int i = 0; i < BINS; i++) { |
| 511 | long strengthTimeMs = mStats.getPhoneSignalStrengthTime(i, mBatteryRealtime, mStatsType) |
| 512 | / 1000; |
| 513 | double p = (strengthTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_RADIO_ON, i)) |
| 514 | / (60*60*1000); |
| 515 | if (DEBUG && p != 0) { |
| 516 | Log.d(TAG, "Cell strength #" + i + ": time=" + strengthTimeMs + " power=" |
| 517 | + makemAh(p)); |
| 518 | } |
| 519 | power += p; |
| 520 | signalTimeMs += strengthTimeMs; |
| 521 | if (i == 0) { |
| 522 | noCoverageTimeMs = strengthTimeMs; |
| 523 | } |
| 524 | } |
| 525 | long scanningTimeMs = mStats.getPhoneSignalScanningTime(mBatteryRealtime, mStatsType) |
| 526 | / 1000; |
| 527 | double p = (scanningTimeMs * mPowerProfile.getAveragePower( |
| 528 | PowerProfile.POWER_RADIO_SCANNING)) |
| 529 | / (60*60*1000); |
| 530 | if (DEBUG && p != 0) { |
| 531 | Log.d(TAG, "Cell radio scanning: time=" + scanningTimeMs + " power=" + makemAh(p)); |
| 532 | } |
| 533 | power += p; |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 534 | if (power != 0) { |
| 535 | BatterySipper bs = |
| 536 | addEntry(BatterySipper.DrainType.CELL, signalTimeMs, power); |
| 537 | if (signalTimeMs != 0) { |
| 538 | bs.noCoveragePercent = noCoverageTimeMs * 100.0 / signalTimeMs; |
| 539 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 540 | } |
| 541 | } |
| 542 | |
| 543 | private void aggregateSippers(BatterySipper bs, List<BatterySipper> from, String tag) { |
| 544 | for (int i=0; i<from.size(); i++) { |
| 545 | BatterySipper wbs = from.get(i); |
| 546 | if (DEBUG) Log.d(TAG, tag + " adding sipper " + wbs + ": cpu=" + wbs.cpuTime); |
| 547 | bs.cpuTime += wbs.cpuTime; |
| 548 | bs.gpsTime += wbs.gpsTime; |
| 549 | bs.wifiRunningTime += wbs.wifiRunningTime; |
| 550 | bs.cpuFgTime += wbs.cpuFgTime; |
| 551 | bs.wakeLockTime += wbs.wakeLockTime; |
| 552 | bs.mobileRxPackets += wbs.mobileRxPackets; |
| 553 | bs.mobileTxPackets += wbs.mobileTxPackets; |
| 554 | bs.wifiRxPackets += wbs.wifiRxPackets; |
| 555 | bs.wifiTxPackets += wbs.wifiTxPackets; |
| 556 | bs.mobileRxBytes += wbs.mobileRxBytes; |
| 557 | bs.mobileTxBytes += wbs.mobileTxBytes; |
| 558 | bs.wifiRxBytes += wbs.wifiRxBytes; |
| 559 | bs.wifiTxBytes += wbs.wifiTxBytes; |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | private void addWiFiUsage() { |
| 564 | long onTimeMs = mStats.getWifiOnTime(mBatteryRealtime, mStatsType) / 1000; |
| 565 | long runningTimeMs = mStats.getGlobalWifiRunningTime(mBatteryRealtime, mStatsType) / 1000; |
| 566 | if (DEBUG) Log.d(TAG, "WIFI runningTime=" + runningTimeMs |
| 567 | + " app runningTime=" + mAppWifiRunning); |
| 568 | runningTimeMs -= mAppWifiRunning; |
| 569 | if (runningTimeMs < 0) runningTimeMs = 0; |
| 570 | double wifiPower = (onTimeMs * 0 /* TODO */ |
| 571 | * mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_ON) |
| 572 | + runningTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_ON)) |
| 573 | / (60*60*1000); |
| 574 | if (DEBUG && wifiPower != 0) { |
| 575 | Log.d(TAG, "Wifi: time=" + runningTimeMs + " power=" + makemAh(wifiPower)); |
| 576 | } |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 577 | if ((wifiPower+mWifiPower) != 0) { |
| 578 | BatterySipper bs = addEntry(BatterySipper.DrainType.WIFI, runningTimeMs, |
| 579 | wifiPower + mWifiPower); |
| 580 | aggregateSippers(bs, mWifiSippers, "WIFI"); |
| 581 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | private void addIdleUsage() { |
| 585 | long idleTimeMs = (mTypeBatteryRealtime |
| 586 | - mStats.getScreenOnTime(mBatteryRealtime, mStatsType)) / 1000; |
| 587 | double idlePower = (idleTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_CPU_IDLE)) |
| 588 | / (60*60*1000); |
| 589 | if (DEBUG && idlePower != 0) { |
| 590 | Log.d(TAG, "Idle: time=" + idleTimeMs + " power=" + makemAh(idlePower)); |
| 591 | } |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 592 | if (idlePower != 0) { |
| 593 | addEntry(BatterySipper.DrainType.IDLE, idleTimeMs, idlePower); |
| 594 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 595 | } |
| 596 | |
| 597 | private void addBluetoothUsage() { |
| 598 | long btOnTimeMs = mStats.getBluetoothOnTime(mBatteryRealtime, mStatsType) / 1000; |
| 599 | double btPower = btOnTimeMs * mPowerProfile.getAveragePower(PowerProfile.POWER_BLUETOOTH_ON) |
| 600 | / (60*60*1000); |
| 601 | if (DEBUG && btPower != 0) { |
| 602 | Log.d(TAG, "Bluetooth: time=" + btOnTimeMs + " power=" + makemAh(btPower)); |
| 603 | } |
| 604 | int btPingCount = mStats.getBluetoothPingCount(); |
| 605 | double pingPower = (btPingCount |
| 606 | * mPowerProfile.getAveragePower(PowerProfile.POWER_BLUETOOTH_AT_CMD)) |
| 607 | / (60*60*1000); |
| 608 | if (DEBUG && pingPower != 0) { |
| 609 | Log.d(TAG, "Bluetooth ping: count=" + btPingCount + " power=" + makemAh(pingPower)); |
| 610 | } |
| 611 | btPower += pingPower; |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 612 | if ((btPower+mBluetoothPower) != 0) { |
| 613 | BatterySipper bs = addEntry(BatterySipper.DrainType.BLUETOOTH, btOnTimeMs, |
| 614 | btPower + mBluetoothPower); |
| 615 | aggregateSippers(bs, mBluetoothSippers, "Bluetooth"); |
| 616 | } |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 617 | } |
| 618 | |
| 619 | private void addUserUsage() { |
| 620 | for (int i=0; i<mUserSippers.size(); i++) { |
| 621 | final int userId = mUserSippers.keyAt(i); |
| 622 | final List<BatterySipper> sippers = mUserSippers.valueAt(i); |
| 623 | Double userPower = mUserPower.get(userId); |
| 624 | double power = (userPower != null) ? userPower : 0.0; |
| 625 | BatterySipper bs = addEntry(BatterySipper.DrainType.USER, 0, power); |
| 626 | bs.userId = userId; |
| 627 | aggregateSippers(bs, sippers, "User"); |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | /** |
| 632 | * Return estimated power (in mAs) of sending or receiving a packet with the mobile radio. |
| 633 | */ |
| 634 | private double getMobilePowerPerPacket() { |
| 635 | final long MOBILE_BPS = 200000; // TODO: Extract average bit rates from system |
| 636 | final double MOBILE_POWER = mPowerProfile.getAveragePower(PowerProfile.POWER_RADIO_ACTIVE) |
| 637 | / 3600; |
| 638 | |
| 639 | final long mobileRx = mStats.getNetworkActivityPackets(NETWORK_MOBILE_RX_DATA, mStatsType); |
| 640 | final long mobileTx = mStats.getNetworkActivityPackets(NETWORK_MOBILE_TX_DATA, mStatsType); |
| 641 | final long mobileData = mobileRx + mobileTx; |
| 642 | |
| 643 | final long radioDataUptimeMs = mStats.getRadioDataUptime() / 1000; |
| 644 | final double mobilePps = radioDataUptimeMs != 0 |
| 645 | ? mobileData / (double)radioDataUptimeMs |
| 646 | : (((double)MOBILE_BPS) / 8 / 2048); |
| 647 | |
| 648 | return (MOBILE_POWER / mobilePps) / (60*60); |
| 649 | } |
| 650 | |
| 651 | /** |
| 652 | * Return estimated power (in mAs) of sending a byte with the Wi-Fi radio. |
| 653 | */ |
| 654 | private double getWifiPowerPerPacket() { |
| 655 | final long WIFI_BPS = 1000000; // TODO: Extract average bit rates from system |
| 656 | final double WIFI_POWER = mPowerProfile.getAveragePower(PowerProfile.POWER_WIFI_ACTIVE) |
| 657 | / 3600; |
| 658 | return (WIFI_POWER / (((double)WIFI_BPS) / 8 / 2048)) / (60*60); |
| 659 | } |
| 660 | |
| 661 | private void processMiscUsage() { |
| 662 | addUserUsage(); |
| 663 | addPhoneUsage(); |
| 664 | addScreenUsage(); |
| 665 | addWiFiUsage(); |
| 666 | addBluetoothUsage(); |
| 667 | addIdleUsage(); // Not including cellular idle power |
| 668 | // Don't compute radio usage if it's a wifi-only device |
| 669 | ConnectivityManager cm = (ConnectivityManager)mContext.getSystemService( |
| 670 | Context.CONNECTIVITY_SERVICE); |
| 671 | if (cm.isNetworkSupported(ConnectivityManager.TYPE_MOBILE)) { |
| 672 | addRadioUsage(); |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | private BatterySipper addEntry(DrainType drainType, long time, double power) { |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 677 | mComputedPower += power; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 678 | return addEntryNoTotal(drainType, time, power); |
| 679 | } |
| 680 | |
| 681 | private BatterySipper addEntryNoTotal(DrainType drainType, long time, double power) { |
| 682 | if (power > mMaxPower) mMaxPower = power; |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 683 | BatterySipper bs = new BatterySipper(drainType, null, new double[] {power}); |
| 684 | bs.usageTime = time; |
| 685 | mUsageList.add(bs); |
| 686 | return bs; |
| 687 | } |
| 688 | |
| 689 | public List<BatterySipper> getUsageList() { |
| 690 | return mUsageList; |
| 691 | } |
| 692 | |
| 693 | public long getStatsPeriod() { return mStatsPeriod; } |
| 694 | |
| 695 | public int getStatsType() { return mStatsType; }; |
| 696 | |
| 697 | public double getMaxPower() { return mMaxPower; } |
| 698 | |
| 699 | public double getTotalPower() { return mTotalPower; } |
| 700 | |
Dianne Hackborn | 099bc62 | 2014-01-22 13:39:16 -0800 | [diff] [blame] | 701 | public double getComputedPower() { return mComputedPower; } |
| 702 | |
Dianne Hackborn | a7c837f | 2014-01-15 16:20:44 -0800 | [diff] [blame] | 703 | public double getMinDrainedPower() { |
| 704 | return mMinDrainedPower; |
| 705 | } |
| 706 | |
| 707 | public double getMaxDrainedPower() { |
| 708 | return mMaxDrainedPower; |
| 709 | } |
| 710 | |
| 711 | private void load() { |
| 712 | if (mBatteryInfo == null) { |
| 713 | return; |
| 714 | } |
| 715 | try { |
| 716 | byte[] data = mBatteryInfo.getStatistics(); |
| 717 | Parcel parcel = Parcel.obtain(); |
| 718 | parcel.unmarshall(data, 0, data.length); |
| 719 | parcel.setDataPosition(0); |
| 720 | BatteryStatsImpl stats = com.android.internal.os.BatteryStatsImpl.CREATOR |
| 721 | .createFromParcel(parcel); |
| 722 | stats.distributeWorkLocked(BatteryStats.STATS_SINCE_CHARGED); |
| 723 | mStats = stats; |
| 724 | } catch (RemoteException e) { |
| 725 | Log.e(TAG, "RemoteException:", e); |
| 726 | } |
| 727 | } |
| 728 | } |