| /* |
| * Copyright (C) 2006-2007 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.am; |
| |
| import android.annotation.Nullable; |
| import android.bluetooth.BluetoothActivityEnergyInfo; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.net.wifi.IWifiManager; |
| import android.net.wifi.WifiActivityEnergyInfo; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Parcel; |
| import android.os.ParcelFileDescriptor; |
| import android.os.ParcelFormatException; |
| import android.os.Parcelable; |
| import android.os.PowerManagerInternal; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SynchronousResultReceiver; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.os.WorkSource; |
| import android.os.health.HealthStatsParceler; |
| import android.os.health.HealthStatsWriter; |
| import android.os.health.UidHealthStats; |
| import android.telephony.DataConnectionRealTimeInfo; |
| import android.telephony.ModemActivityInfo; |
| import android.telephony.SignalStrength; |
| import android.telephony.TelephonyManager; |
| import android.util.IntArray; |
| import android.util.Slog; |
| |
| import android.util.TimeUtils; |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.os.BatteryStatsHelper; |
| import com.android.internal.os.BatteryStatsImpl; |
| import com.android.internal.os.PowerProfile; |
| import com.android.server.LocalServices; |
| import com.android.server.ServiceThread; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.nio.ByteBuffer; |
| import java.nio.CharBuffer; |
| import java.nio.charset.CharsetDecoder; |
| import java.nio.charset.CodingErrorAction; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * All information we are collecting about things that can happen that impact |
| * battery life. |
| */ |
| public final class BatteryStatsService extends IBatteryStats.Stub |
| implements PowerManagerInternal.LowPowerModeListener, |
| BatteryStatsImpl.PlatformIdleStateCallback { |
| static final String TAG = "BatteryStatsService"; |
| |
| /** |
| * How long to wait on an individual subsystem to return its stats. |
| */ |
| private static final long EXTERNAL_STATS_SYNC_TIMEOUT_MILLIS = 2000; |
| |
| // There is some accuracy error in wifi reports so allow some slop in the results. |
| private static final long MAX_WIFI_STATS_SAMPLE_ERROR_MILLIS = 750; |
| |
| private static IBatteryStats sService; |
| |
| final BatteryStatsImpl mStats; |
| private final BatteryStatsHandler mHandler; |
| private Context mContext; |
| private IWifiManager mWifiManager; |
| private TelephonyManager mTelephony; |
| |
| // Lock acquired when extracting data from external sources. |
| private final Object mExternalStatsLock = new Object(); |
| |
| // WiFi keeps an accumulated total of stats, unlike Bluetooth. |
| // Keep the last WiFi stats so we can compute a delta. |
| @GuardedBy("mExternalStatsLock") |
| private WifiActivityEnergyInfo mLastInfo = |
| new WifiActivityEnergyInfo(0, 0, 0, new long[]{0}, 0, 0, 0); |
| |
| class BatteryStatsHandler extends Handler implements BatteryStatsImpl.ExternalStatsSync { |
| public static final int MSG_SYNC_EXTERNAL_STATS = 1; |
| public static final int MSG_WRITE_TO_DISK = 2; |
| |
| private int mUpdateFlags = 0; |
| private IntArray mUidsToRemove = new IntArray(); |
| |
| public BatteryStatsHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_SYNC_EXTERNAL_STATS: |
| final int updateFlags; |
| synchronized (this) { |
| removeMessages(MSG_SYNC_EXTERNAL_STATS); |
| updateFlags = mUpdateFlags; |
| mUpdateFlags = 0; |
| } |
| updateExternalStatsSync((String)msg.obj, updateFlags); |
| |
| // other parts of the system could be calling into us |
| // from mStats in order to report of changes. We must grab the mStats |
| // lock before grabbing our own or we'll end up in a deadlock. |
| synchronized (mStats) { |
| synchronized (this) { |
| final int numUidsToRemove = mUidsToRemove.size(); |
| for (int i = 0; i < numUidsToRemove; i++) { |
| mStats.removeIsolatedUidLocked(mUidsToRemove.get(i)); |
| } |
| } |
| mUidsToRemove.clear(); |
| } |
| break; |
| |
| case MSG_WRITE_TO_DISK: |
| updateExternalStatsSync("write", UPDATE_ALL); |
| synchronized (mStats) { |
| mStats.writeAsyncLocked(); |
| } |
| break; |
| } |
| } |
| |
| @Override |
| public void scheduleSync(String reason, int updateFlags) { |
| synchronized (this) { |
| scheduleSyncLocked(reason, updateFlags); |
| } |
| } |
| |
| @Override |
| public void scheduleCpuSyncDueToRemovedUid(int uid) { |
| synchronized (this) { |
| scheduleSyncLocked("remove-uid", UPDATE_CPU); |
| mUidsToRemove.add(uid); |
| } |
| } |
| |
| private void scheduleSyncLocked(String reason, int updateFlags) { |
| if (mUpdateFlags == 0) { |
| sendMessage(Message.obtain(this, MSG_SYNC_EXTERNAL_STATS, reason)); |
| } |
| mUpdateFlags |= updateFlags; |
| } |
| } |
| |
| private native int getPlatformLowPowerStats(ByteBuffer outBuffer); |
| private CharsetDecoder mDecoderStat = StandardCharsets.UTF_8 |
| .newDecoder() |
| .onMalformedInput(CodingErrorAction.REPLACE) |
| .onUnmappableCharacter(CodingErrorAction.REPLACE) |
| .replaceWith("?"); |
| private ByteBuffer mUtf8BufferStat = ByteBuffer.allocateDirect(MAX_LOW_POWER_STATS_SIZE); |
| private CharBuffer mUtf16BufferStat = CharBuffer.allocate(MAX_LOW_POWER_STATS_SIZE); |
| private static final int MAX_LOW_POWER_STATS_SIZE = 512; |
| |
| @Override |
| public String getPlatformLowPowerStats() { |
| mUtf8BufferStat.clear(); |
| mUtf16BufferStat.clear(); |
| mDecoderStat.reset(); |
| int bytesWritten = getPlatformLowPowerStats(mUtf8BufferStat); |
| if (bytesWritten < 0) { |
| return null; |
| } else if (bytesWritten == 0) { |
| return "Empty"; |
| } |
| mUtf8BufferStat.limit(bytesWritten); |
| mDecoderStat.decode(mUtf8BufferStat, mUtf16BufferStat, true); |
| mUtf16BufferStat.flip(); |
| return mUtf16BufferStat.toString(); |
| } |
| |
| BatteryStatsService(File systemDir, Handler handler) { |
| // Our handler here will be accessing the disk, use a different thread than |
| // what the ActivityManagerService gave us (no I/O on that one!). |
| final ServiceThread thread = new ServiceThread("batterystats-sync", |
| Process.THREAD_PRIORITY_DEFAULT, true); |
| thread.start(); |
| mHandler = new BatteryStatsHandler(thread.getLooper()); |
| |
| // BatteryStatsImpl expects the ActivityManagerService handler, so pass that one through. |
| mStats = new BatteryStatsImpl(systemDir, handler, mHandler, this); |
| } |
| |
| public void publish(Context context) { |
| mContext = context; |
| mStats.setRadioScanningTimeout(mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_radioScanningTimeout) |
| * 1000L); |
| mStats.setPowerProfile(new PowerProfile(context)); |
| ServiceManager.addService(BatteryStats.SERVICE_NAME, asBinder()); |
| } |
| |
| /** |
| * At the time when the constructor runs, the power manager has not yet been |
| * initialized. So we initialize the low power observer later. |
| */ |
| public void initPowerManagement() { |
| final PowerManagerInternal powerMgr = LocalServices.getService(PowerManagerInternal.class); |
| powerMgr.registerLowPowerModeObserver(this); |
| mStats.notePowerSaveMode(powerMgr.getLowPowerModeEnabled()); |
| (new WakeupReasonThread()).start(); |
| } |
| |
| public void shutdown() { |
| Slog.w("BatteryStats", "Writing battery stats before shutdown..."); |
| |
| updateExternalStatsSync("shutdown", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| synchronized (mStats) { |
| mStats.shutdownLocked(); |
| } |
| |
| // Shutdown the thread we made. |
| mHandler.getLooper().quit(); |
| } |
| |
| public static IBatteryStats getService() { |
| if (sService != null) { |
| return sService; |
| } |
| IBinder b = ServiceManager.getService(BatteryStats.SERVICE_NAME); |
| sService = asInterface(b); |
| return sService; |
| } |
| |
| @Override |
| public void onLowPowerModeChanged(boolean enabled) { |
| synchronized (mStats) { |
| mStats.notePowerSaveMode(enabled); |
| } |
| } |
| |
| /** |
| * @return the current statistics object, which may be modified |
| * to reflect events that affect battery usage. You must lock the |
| * stats object before doing anything with it. |
| */ |
| public BatteryStatsImpl getActiveStatistics() { |
| return mStats; |
| } |
| |
| /** |
| * Schedules a write to disk to occur. This will cause the BatteryStatsImpl |
| * object to update with the latest info, then write to disk. |
| */ |
| public void scheduleWriteToDisk() { |
| mHandler.sendEmptyMessage(BatteryStatsHandler.MSG_WRITE_TO_DISK); |
| } |
| |
| // These are for direct use by the activity manager... |
| |
| /** |
| * Remove a UID from the BatteryStats and BatteryStats' external dependencies. |
| */ |
| void removeUid(int uid) { |
| synchronized (mStats) { |
| mStats.removeUidStatsLocked(uid); |
| } |
| } |
| |
| void addIsolatedUid(int isolatedUid, int appUid) { |
| synchronized (mStats) { |
| mStats.addIsolatedUidLocked(isolatedUid, appUid); |
| } |
| } |
| |
| void removeIsolatedUid(int isolatedUid, int appUid) { |
| synchronized (mStats) { |
| mStats.scheduleRemoveIsolatedUidLocked(isolatedUid, appUid); |
| } |
| } |
| |
| void noteProcessStart(String name, int uid) { |
| synchronized (mStats) { |
| mStats.noteProcessStartLocked(name, uid); |
| } |
| } |
| |
| void noteProcessCrash(String name, int uid) { |
| synchronized (mStats) { |
| mStats.noteProcessCrashLocked(name, uid); |
| } |
| } |
| |
| void noteProcessAnr(String name, int uid) { |
| synchronized (mStats) { |
| mStats.noteProcessAnrLocked(name, uid); |
| } |
| } |
| |
| void noteProcessFinish(String name, int uid) { |
| synchronized (mStats) { |
| mStats.noteProcessFinishLocked(name, uid); |
| } |
| } |
| |
| void noteUidProcessState(int uid, int state) { |
| synchronized (mStats) { |
| mStats.noteUidProcessStateLocked(uid, state); |
| } |
| } |
| |
| // Public interface... |
| |
| public byte[] getStatistics() { |
| mContext.enforceCallingPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| //Slog.i("foo", "SENDING BATTERY INFO:"); |
| //mStats.dumpLocked(new LogPrinter(Log.INFO, "foo", Log.LOG_ID_SYSTEM)); |
| Parcel out = Parcel.obtain(); |
| updateExternalStatsSync("get-stats", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| synchronized (mStats) { |
| mStats.writeToParcel(out, 0); |
| } |
| byte[] data = out.marshall(); |
| out.recycle(); |
| return data; |
| } |
| |
| public ParcelFileDescriptor getStatisticsStream() { |
| mContext.enforceCallingPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| //Slog.i("foo", "SENDING BATTERY INFO:"); |
| //mStats.dumpLocked(new LogPrinter(Log.INFO, "foo", Log.LOG_ID_SYSTEM)); |
| Parcel out = Parcel.obtain(); |
| updateExternalStatsSync("get-stats", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| synchronized (mStats) { |
| mStats.writeToParcel(out, 0); |
| } |
| byte[] data = out.marshall(); |
| out.recycle(); |
| try { |
| return ParcelFileDescriptor.fromData(data, "battery-stats"); |
| } catch (IOException e) { |
| Slog.w(TAG, "Unable to create shared memory", e); |
| return null; |
| } |
| } |
| |
| public boolean isCharging() { |
| synchronized (mStats) { |
| return mStats.isCharging(); |
| } |
| } |
| |
| public long computeBatteryTimeRemaining() { |
| synchronized (mStats) { |
| long time = mStats.computeBatteryTimeRemaining(SystemClock.elapsedRealtime()); |
| return time >= 0 ? (time/1000) : time; |
| } |
| } |
| |
| public long computeChargeTimeRemaining() { |
| synchronized (mStats) { |
| long time = mStats.computeChargeTimeRemaining(SystemClock.elapsedRealtime()); |
| return time >= 0 ? (time/1000) : time; |
| } |
| } |
| |
| public void noteEvent(int code, String name, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteEventLocked(code, name, uid); |
| } |
| } |
| |
| public void noteSyncStart(String name, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteSyncStartLocked(name, uid); |
| } |
| } |
| |
| public void noteSyncFinish(String name, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteSyncFinishLocked(name, uid); |
| } |
| } |
| |
| public void noteJobStart(String name, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteJobStartLocked(name, uid); |
| } |
| } |
| |
| public void noteJobFinish(String name, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteJobFinishLocked(name, uid); |
| } |
| } |
| |
| public void noteAlarmStart(String name, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteAlarmStartLocked(name, uid); |
| } |
| } |
| |
| public void noteAlarmFinish(String name, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteAlarmFinishLocked(name, uid); |
| } |
| } |
| |
| public void noteStartWakelock(int uid, int pid, String name, String historyName, int type, |
| boolean unimportantForLogging) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStartWakeLocked(uid, pid, name, historyName, type, unimportantForLogging, |
| SystemClock.elapsedRealtime(), SystemClock.uptimeMillis()); |
| } |
| } |
| |
| public void noteStopWakelock(int uid, int pid, String name, String historyName, int type) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStopWakeLocked(uid, pid, name, historyName, type, |
| SystemClock.elapsedRealtime(), SystemClock.uptimeMillis()); |
| } |
| } |
| |
| public void noteStartWakelockFromSource(WorkSource ws, int pid, String name, |
| String historyName, int type, boolean unimportantForLogging) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStartWakeFromSourceLocked(ws, pid, name, historyName, |
| type, unimportantForLogging); |
| } |
| } |
| |
| public void noteChangeWakelockFromSource(WorkSource ws, int pid, String name, |
| String historyName, int type, WorkSource newWs, int newPid, String newName, |
| String newHistoryName, int newType, boolean newUnimportantForLogging) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteChangeWakelockFromSourceLocked(ws, pid, name, historyName, type, |
| newWs, newPid, newName, newHistoryName, newType, newUnimportantForLogging); |
| } |
| } |
| |
| public void noteStopWakelockFromSource(WorkSource ws, int pid, String name, String historyName, |
| int type) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStopWakeFromSourceLocked(ws, pid, name, historyName, type); |
| } |
| } |
| |
| public void noteLongPartialWakelockStart(String name, String historyName, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteLongPartialWakelockStart(name, historyName, uid); |
| } |
| } |
| |
| public void noteLongPartialWakelockFinish(String name, String historyName, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteLongPartialWakelockFinish(name, historyName, uid); |
| } |
| } |
| |
| public void noteStartSensor(int uid, int sensor) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStartSensorLocked(uid, sensor); |
| } |
| } |
| |
| public void noteStopSensor(int uid, int sensor) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStopSensorLocked(uid, sensor); |
| } |
| } |
| |
| public void noteVibratorOn(int uid, long durationMillis) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteVibratorOnLocked(uid, durationMillis); |
| } |
| } |
| |
| public void noteVibratorOff(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteVibratorOffLocked(uid); |
| } |
| } |
| |
| public void noteStartGps(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStartGpsLocked(uid); |
| } |
| } |
| |
| public void noteStopGps(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStopGpsLocked(uid); |
| } |
| } |
| |
| public void noteScreenState(int state) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteScreenStateLocked(state); |
| } |
| } |
| |
| public void noteScreenBrightness(int brightness) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteScreenBrightnessLocked(brightness); |
| } |
| } |
| |
| public void noteUserActivity(int uid, int event) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteUserActivityLocked(uid, event); |
| } |
| } |
| |
| public void noteWakeUp(String reason, int reasonUid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWakeUpLocked(reason, reasonUid); |
| } |
| } |
| |
| public void noteInteractive(boolean interactive) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteInteractiveLocked(interactive); |
| } |
| } |
| |
| public void noteConnectivityChanged(int type, String extra) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteConnectivityChangedLocked(type, extra); |
| } |
| } |
| |
| public void noteMobileRadioPowerState(int powerState, long timestampNs, int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteMobileRadioPowerState(powerState, timestampNs, uid); |
| } |
| } |
| |
| public void notePhoneOn() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.notePhoneOnLocked(); |
| } |
| } |
| |
| public void notePhoneOff() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.notePhoneOffLocked(); |
| } |
| } |
| |
| public void notePhoneSignalStrength(SignalStrength signalStrength) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.notePhoneSignalStrengthLocked(signalStrength); |
| } |
| } |
| |
| public void notePhoneDataConnectionState(int dataType, boolean hasData) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.notePhoneDataConnectionStateLocked(dataType, hasData); |
| } |
| } |
| |
| public void notePhoneState(int state) { |
| enforceCallingPermission(); |
| int simState = TelephonyManager.getDefault().getSimState(); |
| synchronized (mStats) { |
| mStats.notePhoneStateLocked(state, simState); |
| } |
| } |
| |
| public void noteWifiOn() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiOnLocked(); |
| } |
| } |
| |
| public void noteWifiOff() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiOffLocked(); |
| } |
| } |
| |
| public void noteStartAudio(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteAudioOnLocked(uid); |
| } |
| } |
| |
| public void noteStopAudio(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteAudioOffLocked(uid); |
| } |
| } |
| |
| public void noteStartVideo(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteVideoOnLocked(uid); |
| } |
| } |
| |
| public void noteStopVideo(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteVideoOffLocked(uid); |
| } |
| } |
| |
| public void noteResetAudio() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteResetAudioLocked(); |
| } |
| } |
| |
| public void noteResetVideo() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteResetVideoLocked(); |
| } |
| } |
| |
| public void noteFlashlightOn(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteFlashlightOnLocked(uid); |
| } |
| } |
| |
| public void noteFlashlightOff(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteFlashlightOffLocked(uid); |
| } |
| } |
| |
| public void noteStartCamera(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteCameraOnLocked(uid); |
| } |
| } |
| |
| public void noteStopCamera(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteCameraOffLocked(uid); |
| } |
| } |
| |
| public void noteResetCamera() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteResetCameraLocked(); |
| } |
| } |
| |
| public void noteResetFlashlight() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteResetFlashlightLocked(); |
| } |
| } |
| |
| @Override |
| public void noteWifiRadioPowerState(int powerState, long tsNanos, int uid) { |
| enforceCallingPermission(); |
| |
| // There was a change in WiFi power state. |
| // Collect data now for the past activity. |
| synchronized (mStats) { |
| if (mStats.isOnBattery()) { |
| final String type = (powerState == DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH || |
| powerState == DataConnectionRealTimeInfo.DC_POWER_STATE_MEDIUM) ? "active" |
| : "inactive"; |
| mHandler.scheduleSync("wifi-data: " + type, |
| BatteryStatsImpl.ExternalStatsSync.UPDATE_WIFI); |
| } |
| mStats.noteWifiRadioPowerState(powerState, tsNanos, uid); |
| } |
| } |
| |
| public void noteWifiRunning(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiRunningLocked(ws); |
| } |
| } |
| |
| public void noteWifiRunningChanged(WorkSource oldWs, WorkSource newWs) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiRunningChangedLocked(oldWs, newWs); |
| } |
| } |
| |
| public void noteWifiStopped(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiStoppedLocked(ws); |
| } |
| } |
| |
| public void noteWifiState(int wifiState, String accessPoint) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiStateLocked(wifiState, accessPoint); |
| } |
| } |
| |
| public void noteWifiSupplicantStateChanged(int supplState, boolean failedAuth) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiSupplicantStateChangedLocked(supplState, failedAuth); |
| } |
| } |
| |
| public void noteWifiRssiChanged(int newRssi) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiRssiChangedLocked(newRssi); |
| } |
| } |
| |
| public void noteFullWifiLockAcquired(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteFullWifiLockAcquiredLocked(uid); |
| } |
| } |
| |
| public void noteFullWifiLockReleased(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteFullWifiLockReleasedLocked(uid); |
| } |
| } |
| |
| public void noteWifiScanStarted(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiScanStartedLocked(uid); |
| } |
| } |
| |
| public void noteWifiScanStopped(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiScanStoppedLocked(uid); |
| } |
| } |
| |
| public void noteWifiMulticastEnabled(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiMulticastEnabledLocked(uid); |
| } |
| } |
| |
| public void noteWifiMulticastDisabled(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiMulticastDisabledLocked(uid); |
| } |
| } |
| |
| public void noteFullWifiLockAcquiredFromSource(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteFullWifiLockAcquiredFromSourceLocked(ws); |
| } |
| } |
| |
| public void noteFullWifiLockReleasedFromSource(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteFullWifiLockReleasedFromSourceLocked(ws); |
| } |
| } |
| |
| public void noteWifiScanStartedFromSource(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiScanStartedFromSourceLocked(ws); |
| } |
| } |
| |
| public void noteWifiScanStoppedFromSource(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiScanStoppedFromSourceLocked(ws); |
| } |
| } |
| |
| public void noteWifiBatchedScanStartedFromSource(WorkSource ws, int csph) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiBatchedScanStartedFromSourceLocked(ws, csph); |
| } |
| } |
| |
| public void noteWifiBatchedScanStoppedFromSource(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiBatchedScanStoppedFromSourceLocked(ws); |
| } |
| } |
| |
| public void noteWifiMulticastEnabledFromSource(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiMulticastEnabledFromSourceLocked(ws); |
| } |
| } |
| |
| @Override |
| public void noteWifiMulticastDisabledFromSource(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteWifiMulticastDisabledFromSourceLocked(ws); |
| } |
| } |
| |
| @Override |
| public void noteNetworkInterfaceType(String iface, int networkType) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteNetworkInterfaceTypeLocked(iface, networkType); |
| } |
| } |
| |
| @Override |
| public void noteNetworkStatsEnabled() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteNetworkStatsEnabledLocked(); |
| } |
| } |
| |
| @Override |
| public void noteDeviceIdleMode(int mode, String activeReason, int activeUid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteDeviceIdleModeLocked(mode, activeReason, activeUid); |
| } |
| } |
| |
| public void notePackageInstalled(String pkgName, int versionCode) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.notePackageInstalledLocked(pkgName, versionCode); |
| } |
| } |
| |
| public void notePackageUninstalled(String pkgName) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.notePackageUninstalledLocked(pkgName); |
| } |
| } |
| |
| @Override |
| public void noteBleScanStarted(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteBluetoothScanStartedFromSourceLocked(ws); |
| } |
| } |
| |
| @Override |
| public void noteBleScanStopped(WorkSource ws) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteBluetoothScanStoppedFromSourceLocked(ws); |
| } |
| } |
| |
| @Override |
| public void noteResetBleScan() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteResetBluetoothScanLocked(); |
| } |
| } |
| |
| @Override |
| public void noteWifiControllerActivity(WifiActivityEnergyInfo info) { |
| enforceCallingPermission(); |
| |
| if (info == null || !info.isValid()) { |
| Slog.e(TAG, "invalid wifi data given: " + info); |
| return; |
| } |
| |
| synchronized (mStats) { |
| mStats.updateWifiStateLocked(info); |
| } |
| } |
| |
| @Override |
| public void noteBluetoothControllerActivity(BluetoothActivityEnergyInfo info) { |
| enforceCallingPermission(); |
| if (info == null || !info.isValid()) { |
| Slog.e(TAG, "invalid bluetooth data given: " + info); |
| return; |
| } |
| |
| synchronized (mStats) { |
| mStats.updateBluetoothStateLocked(info); |
| } |
| } |
| |
| @Override |
| public void noteModemControllerActivity(ModemActivityInfo info) { |
| enforceCallingPermission(); |
| |
| if (info == null || !info.isValid()) { |
| Slog.e(TAG, "invalid modem data given: " + info); |
| return; |
| } |
| |
| synchronized (mStats) { |
| mStats.updateMobileRadioStateLocked(SystemClock.elapsedRealtime(), info); |
| } |
| } |
| |
| public boolean isOnBattery() { |
| return mStats.isOnBattery(); |
| } |
| |
| @Override |
| public void setBatteryState(final int status, final int health, final int plugType, |
| final int level, final int temp, final int volt, final int chargeUAh) { |
| enforceCallingPermission(); |
| |
| // BatteryService calls us here and we may update external state. It would be wrong |
| // to block such a low level service like BatteryService on external stats like WiFi. |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| synchronized (mStats) { |
| final boolean onBattery = plugType == BatteryStatsImpl.BATTERY_PLUGGED_NONE; |
| if (mStats.isOnBattery() == onBattery) { |
| // The battery state has not changed, so we don't need to sync external |
| // stats immediately. |
| mStats.setBatteryStateLocked(status, health, plugType, level, temp, volt, |
| chargeUAh); |
| return; |
| } |
| } |
| |
| // Sync external stats first as the battery has changed states. If we don't sync |
| // immediately here, we may not collect the relevant data later. |
| updateExternalStatsSync("battery-state", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| synchronized (mStats) { |
| mStats.setBatteryStateLocked(status, health, plugType, level, temp, volt, |
| chargeUAh); |
| } |
| } |
| }); |
| } |
| |
| public long getAwakeTimeBattery() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| return mStats.getAwakeTimeBattery(); |
| } |
| |
| public long getAwakeTimePlugged() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| return mStats.getAwakeTimePlugged(); |
| } |
| |
| public void enforceCallingPermission() { |
| if (Binder.getCallingPid() == Process.myPid()) { |
| return; |
| } |
| mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS, |
| Binder.getCallingPid(), Binder.getCallingUid(), null); |
| } |
| |
| final class WakeupReasonThread extends Thread { |
| private static final int MAX_REASON_SIZE = 512; |
| private CharsetDecoder mDecoder; |
| private ByteBuffer mUtf8Buffer; |
| private CharBuffer mUtf16Buffer; |
| |
| WakeupReasonThread() { |
| super("BatteryStats_wakeupReason"); |
| } |
| |
| public void run() { |
| Process.setThreadPriority(Process.THREAD_PRIORITY_FOREGROUND); |
| |
| mDecoder = StandardCharsets.UTF_8 |
| .newDecoder() |
| .onMalformedInput(CodingErrorAction.REPLACE) |
| .onUnmappableCharacter(CodingErrorAction.REPLACE) |
| .replaceWith("?"); |
| |
| mUtf8Buffer = ByteBuffer.allocateDirect(MAX_REASON_SIZE); |
| mUtf16Buffer = CharBuffer.allocate(MAX_REASON_SIZE); |
| |
| try { |
| String reason; |
| while ((reason = waitWakeup()) != null) { |
| synchronized (mStats) { |
| mStats.noteWakeupReasonLocked(reason); |
| } |
| } |
| } catch (RuntimeException e) { |
| Slog.e(TAG, "Failure reading wakeup reasons", e); |
| } |
| } |
| |
| private String waitWakeup() { |
| mUtf8Buffer.clear(); |
| mUtf16Buffer.clear(); |
| mDecoder.reset(); |
| |
| int bytesWritten = nativeWaitWakeup(mUtf8Buffer); |
| if (bytesWritten < 0) { |
| return null; |
| } else if (bytesWritten == 0) { |
| return "unknown"; |
| } |
| |
| // Set the buffer's limit to the number of bytes written. |
| mUtf8Buffer.limit(bytesWritten); |
| |
| // Decode the buffer from UTF-8 to UTF-16. |
| // Unmappable characters will be replaced. |
| mDecoder.decode(mUtf8Buffer, mUtf16Buffer, true); |
| mUtf16Buffer.flip(); |
| |
| // Create a String from the UTF-16 buffer. |
| return mUtf16Buffer.toString(); |
| } |
| } |
| |
| private static native int nativeWaitWakeup(ByteBuffer outBuffer); |
| |
| private void dumpHelp(PrintWriter pw) { |
| pw.println("Battery stats (batterystats) dump options:"); |
| pw.println(" [--checkin] [--history] [--history-start] [--charged] [-c]"); |
| pw.println(" [--daily] [--reset] [--write] [--new-daily] [--read-daily] [-h] [<package.name>]"); |
| pw.println(" --checkin: generate output for a checkin report; will write (and clear) the"); |
| pw.println(" last old completed stats when they had been reset."); |
| pw.println(" -c: write the current stats in checkin format."); |
| pw.println(" --history: show only history data."); |
| pw.println(" --history-start <num>: show only history data starting at given time offset."); |
| pw.println(" --charged: only output data since last charged."); |
| pw.println(" --daily: only output full daily data."); |
| pw.println(" --reset: reset the stats, clearing all current data."); |
| pw.println(" --write: force write current collected stats to disk."); |
| pw.println(" --new-daily: immediately create and write new daily stats record."); |
| pw.println(" --read-daily: read-load last written daily stats."); |
| pw.println(" <package.name>: optional name of package to filter output by."); |
| pw.println(" -h: print this help text."); |
| pw.println("Battery stats (batterystats) commands:"); |
| pw.println(" enable|disable <option>"); |
| pw.println(" Enable or disable a running option. Option state is not saved across boots."); |
| pw.println(" Options are:"); |
| pw.println(" full-history: include additional detailed events in battery history:"); |
| pw.println(" wake_lock_in, alarms and proc events"); |
| pw.println(" no-auto-reset: don't automatically reset stats when unplugged"); |
| } |
| |
| private int doEnableOrDisable(PrintWriter pw, int i, String[] args, boolean enable) { |
| i++; |
| if (i >= args.length) { |
| pw.println("Missing option argument for " + (enable ? "--enable" : "--disable")); |
| dumpHelp(pw); |
| return -1; |
| } |
| if ("full-wake-history".equals(args[i]) || "full-history".equals(args[i])) { |
| synchronized (mStats) { |
| mStats.setRecordAllHistoryLocked(enable); |
| } |
| } else if ("no-auto-reset".equals(args[i])) { |
| synchronized (mStats) { |
| mStats.setNoAutoReset(enable); |
| } |
| } else { |
| pw.println("Unknown enable/disable option: " + args[i]); |
| dumpHelp(pw); |
| return -1; |
| } |
| return i; |
| } |
| |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump BatteryStats from from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() |
| + " without permission " + android.Manifest.permission.DUMP); |
| return; |
| } |
| |
| int flags = 0; |
| boolean useCheckinFormat = false; |
| boolean isRealCheckin = false; |
| boolean noOutput = false; |
| boolean writeData = false; |
| long historyStart = -1; |
| int reqUid = -1; |
| if (args != null) { |
| for (int i=0; i<args.length; i++) { |
| String arg = args[i]; |
| if ("--checkin".equals(arg)) { |
| useCheckinFormat = true; |
| isRealCheckin = true; |
| } else if ("--history".equals(arg)) { |
| flags |= BatteryStats.DUMP_HISTORY_ONLY; |
| } else if ("--history-start".equals(arg)) { |
| flags |= BatteryStats.DUMP_HISTORY_ONLY; |
| i++; |
| if (i >= args.length) { |
| pw.println("Missing time argument for --history-since"); |
| dumpHelp(pw); |
| return; |
| } |
| historyStart = Long.parseLong(args[i]); |
| writeData = true; |
| } else if ("-c".equals(arg)) { |
| useCheckinFormat = true; |
| flags |= BatteryStats.DUMP_INCLUDE_HISTORY; |
| } else if ("--charged".equals(arg)) { |
| flags |= BatteryStats.DUMP_CHARGED_ONLY; |
| } else if ("--daily".equals(arg)) { |
| flags |= BatteryStats.DUMP_DAILY_ONLY; |
| } else if ("--reset".equals(arg)) { |
| synchronized (mStats) { |
| mStats.resetAllStatsCmdLocked(); |
| pw.println("Battery stats reset."); |
| noOutput = true; |
| } |
| updateExternalStatsSync("dump", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| } else if ("--write".equals(arg)) { |
| updateExternalStatsSync("dump", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| synchronized (mStats) { |
| mStats.writeSyncLocked(); |
| pw.println("Battery stats written."); |
| noOutput = true; |
| } |
| } else if ("--new-daily".equals(arg)) { |
| synchronized (mStats) { |
| mStats.recordDailyStatsLocked(); |
| pw.println("New daily stats written."); |
| noOutput = true; |
| } |
| } else if ("--read-daily".equals(arg)) { |
| synchronized (mStats) { |
| mStats.readDailyStatsLocked(); |
| pw.println("Last daily stats read."); |
| noOutput = true; |
| } |
| } else if ("--enable".equals(arg) || "enable".equals(arg)) { |
| i = doEnableOrDisable(pw, i, args, true); |
| if (i < 0) { |
| return; |
| } |
| pw.println("Enabled: " + args[i]); |
| return; |
| } else if ("--disable".equals(arg) || "disable".equals(arg)) { |
| i = doEnableOrDisable(pw, i, args, false); |
| if (i < 0) { |
| return; |
| } |
| pw.println("Disabled: " + args[i]); |
| return; |
| } else if ("-h".equals(arg)) { |
| dumpHelp(pw); |
| return; |
| } else if ("-a".equals(arg)) { |
| flags |= BatteryStats.DUMP_VERBOSE; |
| } else if (arg.length() > 0 && arg.charAt(0) == '-'){ |
| pw.println("Unknown option: " + arg); |
| dumpHelp(pw); |
| return; |
| } else { |
| // Not an option, last argument must be a package name. |
| try { |
| reqUid = mContext.getPackageManager().getPackageUidAsUser(arg, |
| UserHandle.getCallingUserId()); |
| } catch (PackageManager.NameNotFoundException e) { |
| pw.println("Unknown package: " + arg); |
| dumpHelp(pw); |
| return; |
| } |
| } |
| } |
| } |
| if (noOutput) { |
| return; |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (BatteryStatsHelper.checkWifiOnly(mContext)) { |
| flags |= BatteryStats.DUMP_DEVICE_WIFI_ONLY; |
| } |
| // Fetch data from external sources and update the BatteryStatsImpl object with them. |
| updateExternalStatsSync("dump", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| if (reqUid >= 0) { |
| // By default, if the caller is only interested in a specific package, then |
| // we only dump the aggregated data since charged. |
| if ((flags&(BatteryStats.DUMP_HISTORY_ONLY|BatteryStats.DUMP_CHARGED_ONLY)) == 0) { |
| flags |= BatteryStats.DUMP_CHARGED_ONLY; |
| // Also if they are doing -c, we don't want history. |
| flags &= ~BatteryStats.DUMP_INCLUDE_HISTORY; |
| } |
| } |
| |
| if (useCheckinFormat) { |
| List<ApplicationInfo> apps = mContext.getPackageManager().getInstalledApplications( |
| PackageManager.MATCH_UNINSTALLED_PACKAGES | PackageManager.MATCH_ALL); |
| if (isRealCheckin) { |
| // For a real checkin, first we want to prefer to use the last complete checkin |
| // file if there is one. |
| synchronized (mStats.mCheckinFile) { |
| if (mStats.mCheckinFile.exists()) { |
| try { |
| byte[] raw = mStats.mCheckinFile.readFully(); |
| if (raw != null) { |
| Parcel in = Parcel.obtain(); |
| in.unmarshall(raw, 0, raw.length); |
| in.setDataPosition(0); |
| BatteryStatsImpl checkinStats = new BatteryStatsImpl( |
| null, mStats.mHandler, null); |
| checkinStats.readSummaryFromParcel(in); |
| in.recycle(); |
| checkinStats.dumpCheckinLocked(mContext, pw, apps, flags, |
| historyStart); |
| mStats.mCheckinFile.delete(); |
| return; |
| } |
| } catch (IOException | ParcelFormatException e) { |
| Slog.w(TAG, "Failure reading checkin file " |
| + mStats.mCheckinFile.getBaseFile(), e); |
| } |
| } |
| } |
| } |
| synchronized (mStats) { |
| mStats.dumpCheckinLocked(mContext, pw, apps, flags, historyStart); |
| if (writeData) { |
| mStats.writeAsyncLocked(); |
| } |
| } |
| } else { |
| synchronized (mStats) { |
| mStats.dumpLocked(mContext, pw, flags, reqUid, historyStart); |
| if (writeData) { |
| mStats.writeAsyncLocked(); |
| } |
| } |
| } |
| } |
| |
| private WifiActivityEnergyInfo extractDelta(WifiActivityEnergyInfo latest) { |
| final long timePeriodMs = latest.mTimestamp - mLastInfo.mTimestamp; |
| final long lastIdleMs = mLastInfo.mControllerIdleTimeMs; |
| final long lastTxMs = mLastInfo.mControllerTxTimeMs; |
| final long lastRxMs = mLastInfo.mControllerRxTimeMs; |
| final long lastEnergy = mLastInfo.mControllerEnergyUsed; |
| |
| // We will modify the last info object to be the delta, and store the new |
| // WifiActivityEnergyInfo object as our last one. |
| final WifiActivityEnergyInfo delta = mLastInfo; |
| delta.mTimestamp = latest.getTimeStamp(); |
| delta.mStackState = latest.getStackState(); |
| |
| final long txTimeMs = latest.mControllerTxTimeMs - lastTxMs; |
| final long rxTimeMs = latest.mControllerRxTimeMs - lastRxMs; |
| final long idleTimeMs = latest.mControllerIdleTimeMs - lastIdleMs; |
| |
| if (txTimeMs < 0 || rxTimeMs < 0) { |
| // The stats were reset by the WiFi system (which is why our delta is negative). |
| // Returns the unaltered stats. |
| delta.mControllerEnergyUsed = latest.mControllerEnergyUsed; |
| delta.mControllerRxTimeMs = latest.mControllerRxTimeMs; |
| delta.mControllerTxTimeMs = latest.mControllerTxTimeMs; |
| delta.mControllerIdleTimeMs = latest.mControllerIdleTimeMs; |
| Slog.v(TAG, "WiFi energy data was reset, new WiFi energy data is " + delta); |
| } else { |
| final long totalActiveTimeMs = txTimeMs + rxTimeMs; |
| long maxExpectedIdleTimeMs; |
| if (totalActiveTimeMs > timePeriodMs) { |
| // Cap the max idle time at zero since the active time consumed the whole time |
| maxExpectedIdleTimeMs = 0; |
| if (totalActiveTimeMs > timePeriodMs + MAX_WIFI_STATS_SAMPLE_ERROR_MILLIS) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("Total Active time "); |
| TimeUtils.formatDuration(totalActiveTimeMs, sb); |
| sb.append(" is longer than sample period "); |
| TimeUtils.formatDuration(timePeriodMs, sb); |
| sb.append(".\n"); |
| sb.append("Previous WiFi snapshot: ").append("idle="); |
| TimeUtils.formatDuration(lastIdleMs, sb); |
| sb.append(" rx="); |
| TimeUtils.formatDuration(lastRxMs, sb); |
| sb.append(" tx="); |
| TimeUtils.formatDuration(lastTxMs, sb); |
| sb.append(" e=").append(lastEnergy); |
| sb.append("\n"); |
| sb.append("Current WiFi snapshot: ").append("idle="); |
| TimeUtils.formatDuration(latest.mControllerIdleTimeMs, sb); |
| sb.append(" rx="); |
| TimeUtils.formatDuration(latest.mControllerRxTimeMs, sb); |
| sb.append(" tx="); |
| TimeUtils.formatDuration(latest.mControllerTxTimeMs, sb); |
| sb.append(" e=").append(latest.mControllerEnergyUsed); |
| Slog.wtf(TAG, sb.toString()); |
| } |
| } else { |
| maxExpectedIdleTimeMs = timePeriodMs - totalActiveTimeMs; |
| } |
| // These times seem to be the most reliable. |
| delta.mControllerTxTimeMs = txTimeMs; |
| delta.mControllerRxTimeMs = rxTimeMs; |
| // WiFi calculates the idle time as a difference from the on time and the various |
| // Rx + Tx times. There seems to be some missing time there because this sometimes |
| // becomes negative. Just cap it at 0 and ensure that it is less than the expected idle |
| // time from the difference in timestamps. |
| // b/21613534 |
| delta.mControllerIdleTimeMs = Math.min(maxExpectedIdleTimeMs, Math.max(0, idleTimeMs)); |
| delta.mControllerEnergyUsed = Math.max(0, latest.mControllerEnergyUsed - lastEnergy); |
| } |
| |
| mLastInfo = latest; |
| return delta; |
| } |
| |
| /** |
| * Helper method to extract the Parcelable controller info from a |
| * SynchronousResultReceiver. |
| */ |
| private static <T extends Parcelable> T awaitControllerInfo( |
| @Nullable SynchronousResultReceiver receiver) throws TimeoutException { |
| if (receiver == null) { |
| return null; |
| } |
| |
| final SynchronousResultReceiver.Result result = |
| receiver.awaitResult(EXTERNAL_STATS_SYNC_TIMEOUT_MILLIS); |
| if (result.bundle != null) { |
| // This is the final destination for the Bundle. |
| result.bundle.setDefusable(true); |
| |
| final T data = result.bundle.getParcelable(BatteryStats.RESULT_RECEIVER_CONTROLLER_KEY); |
| if (data != null) { |
| return data; |
| } |
| } |
| Slog.e(TAG, "no controller energy info supplied"); |
| return null; |
| } |
| |
| /** |
| * Fetches data from external sources (WiFi controller, bluetooth chipset) and updates |
| * batterystats with that information. |
| * |
| * We first grab a lock specific to this method, then once all the data has been collected, |
| * we grab the mStats lock and update the data. |
| * |
| * @param reason The reason why this collection was requested. Useful for debugging. |
| * @param updateFlags Which external stats to update. Can be a combination of |
| * {@link BatteryStatsImpl.ExternalStatsSync#UPDATE_CPU}, |
| * {@link BatteryStatsImpl.ExternalStatsSync#UPDATE_RADIO}, |
| * {@link BatteryStatsImpl.ExternalStatsSync#UPDATE_WIFI}, |
| * and {@link BatteryStatsImpl.ExternalStatsSync#UPDATE_BT}. |
| */ |
| void updateExternalStatsSync(final String reason, int updateFlags) { |
| SynchronousResultReceiver wifiReceiver = null; |
| SynchronousResultReceiver bluetoothReceiver = null; |
| SynchronousResultReceiver modemReceiver = null; |
| |
| synchronized (mExternalStatsLock) { |
| if (mContext == null) { |
| // Don't do any work yet. |
| return; |
| } |
| |
| if ((updateFlags & BatteryStatsImpl.ExternalStatsSync.UPDATE_WIFI) != 0) { |
| if (mWifiManager == null) { |
| mWifiManager = IWifiManager.Stub.asInterface( |
| ServiceManager.getService(Context.WIFI_SERVICE)); |
| } |
| |
| if (mWifiManager != null) { |
| try { |
| wifiReceiver = new SynchronousResultReceiver(); |
| mWifiManager.requestActivityInfo(wifiReceiver); |
| } catch (RemoteException e) { |
| // Oh well. |
| } |
| } |
| } |
| |
| if ((updateFlags & BatteryStatsImpl.ExternalStatsSync.UPDATE_BT) != 0) { |
| final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter != null) { |
| bluetoothReceiver = new SynchronousResultReceiver(); |
| adapter.requestControllerActivityEnergyInfo(bluetoothReceiver); |
| } |
| } |
| |
| if ((updateFlags & BatteryStatsImpl.ExternalStatsSync.UPDATE_RADIO) != 0) { |
| if (mTelephony == null) { |
| mTelephony = TelephonyManager.from(mContext); |
| } |
| |
| if (mTelephony != null) { |
| modemReceiver = new SynchronousResultReceiver(); |
| mTelephony.requestModemActivityInfo(modemReceiver); |
| } |
| } |
| |
| WifiActivityEnergyInfo wifiInfo = null; |
| BluetoothActivityEnergyInfo bluetoothInfo = null; |
| ModemActivityInfo modemInfo = null; |
| try { |
| wifiInfo = awaitControllerInfo(wifiReceiver); |
| } catch (TimeoutException e) { |
| Slog.w(TAG, "Timeout reading wifi stats"); |
| } |
| |
| try { |
| bluetoothInfo = awaitControllerInfo(bluetoothReceiver); |
| } catch (TimeoutException e) { |
| Slog.w(TAG, "Timeout reading bt stats"); |
| } |
| |
| try { |
| modemInfo = awaitControllerInfo(modemReceiver); |
| } catch (TimeoutException e) { |
| Slog.w(TAG, "Timeout reading modem stats"); |
| } |
| |
| synchronized (mStats) { |
| mStats.addHistoryEventLocked( |
| SystemClock.elapsedRealtime(), |
| SystemClock.uptimeMillis(), |
| BatteryStats.HistoryItem.EVENT_COLLECT_EXTERNAL_STATS, |
| reason, 0); |
| |
| mStats.updateCpuTimeLocked(); |
| mStats.updateKernelWakelocksLocked(); |
| |
| if (wifiInfo != null) { |
| if (wifiInfo.isValid()) { |
| mStats.updateWifiStateLocked(extractDelta(wifiInfo)); |
| } else { |
| Slog.e(TAG, "wifi info is invalid: " + wifiInfo); |
| } |
| } |
| |
| if (bluetoothInfo != null) { |
| if (bluetoothInfo.isValid()) { |
| mStats.updateBluetoothStateLocked(bluetoothInfo); |
| } else { |
| Slog.e(TAG, "bluetooth info is invalid: " + bluetoothInfo); |
| } |
| } |
| |
| if (modemInfo != null) { |
| if (modemInfo.isValid()) { |
| mStats.updateMobileRadioStateLocked(SystemClock.elapsedRealtime(), |
| modemInfo); |
| } else { |
| Slog.e(TAG, "modem info is invalid: " + modemInfo); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Gets a snapshot of the system health for a particular uid. |
| */ |
| @Override |
| public HealthStatsParceler takeUidSnapshot(int requestUid) { |
| if (requestUid != Binder.getCallingUid()) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| } |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| updateExternalStatsSync("get-health-stats-for-uid", |
| BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| synchronized (mStats) { |
| return getHealthStatsForUidLocked(requestUid); |
| } |
| } catch (Exception ex) { |
| Slog.d(TAG, "Crashed while writing for takeUidSnapshot(" + requestUid + ")", ex); |
| throw ex; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Gets a snapshot of the system health for a number of uids. |
| */ |
| @Override |
| public HealthStatsParceler[] takeUidSnapshots(int[] requestUids) { |
| if (!onlyCaller(requestUids)) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| } |
| long ident = Binder.clearCallingIdentity(); |
| int i=-1; |
| try { |
| updateExternalStatsSync("get-health-stats-for-uids", |
| BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL); |
| synchronized (mStats) { |
| final int N = requestUids.length; |
| final HealthStatsParceler[] results = new HealthStatsParceler[N]; |
| for (i=0; i<N; i++) { |
| results[i] = getHealthStatsForUidLocked(requestUids[i]); |
| } |
| return results; |
| } |
| } catch (Exception ex) { |
| Slog.d(TAG, "Crashed while writing for takeUidSnapshots(" |
| + Arrays.toString(requestUids) + ") i=" + i, ex); |
| throw ex; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Returns whether the Binder.getCallingUid is the only thing in requestUids. |
| */ |
| private static boolean onlyCaller(int[] requestUids) { |
| final int caller = Binder.getCallingUid(); |
| final int N = requestUids.length; |
| for (int i=0; i<N; i++) { |
| if (requestUids[i] != caller) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Gets a HealthStatsParceler for the given uid. You should probably call |
| * updateExternalStatsSync first. |
| */ |
| HealthStatsParceler getHealthStatsForUidLocked(int requestUid) { |
| final HealthStatsBatteryStatsWriter writer = new HealthStatsBatteryStatsWriter(); |
| final HealthStatsWriter uidWriter = new HealthStatsWriter(UidHealthStats.CONSTANTS); |
| final BatteryStats.Uid uid = mStats.getUidStats().get(requestUid); |
| if (uid != null) { |
| writer.writeUid(uidWriter, mStats, uid); |
| } |
| return new HealthStatsParceler(uidWriter); |
| } |
| |
| } |
