diff options
Diffstat (limited to 'services/java/com/android/server/BatteryService.java')
| -rw-r--r-- | services/java/com/android/server/BatteryService.java | 74 |
1 files changed, 35 insertions, 39 deletions
diff --git a/services/java/com/android/server/BatteryService.java b/services/java/com/android/server/BatteryService.java index bb369366837d..e98fa99835a9 100644 --- a/services/java/com/android/server/BatteryService.java +++ b/services/java/com/android/server/BatteryService.java @@ -68,23 +68,19 @@ import java.io.PrintWriter; */ class BatteryService extends Binder { private static final String TAG = BatteryService.class.getSimpleName(); - + private static final boolean LOCAL_LOGV = false; - - static final int LOG_BATTERY_LEVEL = 2722; - static final int LOG_BATTERY_STATUS = 2723; - static final int LOG_BATTERY_DISCHARGE_STATUS = 2730; - + static final int BATTERY_SCALE = 100; // battery capacity is a percentage // Used locally for determining when to make a last ditch effort to log // discharge stats before the device dies. - private static final int CRITICAL_BATTERY_LEVEL = 4; + private static final int CRITICAL_BATTERY_LEVEL = 4; private static final int DUMP_MAX_LENGTH = 24 * 1024; private static final String[] DUMPSYS_ARGS = new String[] { "--checkin", "-u" }; private static final String BATTERY_STATS_SERVICE_NAME = "batteryinfo"; - + private static final String DUMPSYS_DATA_PATH = "/data/system/"; // This should probably be exposed in the API, though it's not critical @@ -92,7 +88,7 @@ class BatteryService extends Binder { private final Context mContext; private final IBatteryStats mBatteryStats; - + private boolean mAcOnline; private boolean mUsbOnline; private int mBatteryStatus; @@ -117,12 +113,12 @@ class BatteryService extends Binder { private int mPlugType; private int mLastPlugType = -1; // Extra state so we can detect first run - + private long mDischargeStartTime; private int mDischargeStartLevel; - + private boolean mSentLowBatteryBroadcast = false; - + public BatteryService(Context context) { mContext = context; mBatteryStats = BatteryStatsService.getService(); @@ -219,20 +215,20 @@ class BatteryService extends Binder { mPlugType != mLastPlugType || mBatteryVoltage != mLastBatteryVoltage || mBatteryTemperature != mLastBatteryTemperature) { - + if (mPlugType != mLastPlugType) { if (mLastPlugType == BATTERY_PLUGGED_NONE) { // discharging -> charging - + // There's no value in this data unless we've discharged at least once and the // battery level has changed; so don't log until it does. if (mDischargeStartTime != 0 && mDischargeStartLevel != mBatteryLevel) { dischargeDuration = SystemClock.elapsedRealtime() - mDischargeStartTime; logOutlier = true; - EventLog.writeEvent(LOG_BATTERY_DISCHARGE_STATUS, dischargeDuration, + EventLog.writeEvent(EventLogTags.BATTERY_DISCHARGE, dischargeDuration, mDischargeStartLevel, mBatteryLevel); // make sure we see a discharge event before logging again - mDischargeStartTime = 0; + mDischargeStartTime = 0; } } else if (mPlugType == BATTERY_PLUGGED_NONE) { // charging -> discharging or we just powered up @@ -244,19 +240,19 @@ class BatteryService extends Binder { mBatteryHealth != mLastBatteryHealth || mBatteryPresent != mLastBatteryPresent || mPlugType != mLastPlugType) { - EventLog.writeEvent(LOG_BATTERY_STATUS, + EventLog.writeEvent(EventLogTags.BATTERY_STATUS, mBatteryStatus, mBatteryHealth, mBatteryPresent ? 1 : 0, mPlugType, mBatteryTechnology); } if (mBatteryLevel != mLastBatteryLevel || mBatteryVoltage != mLastBatteryVoltage || mBatteryTemperature != mLastBatteryTemperature) { - EventLog.writeEvent(LOG_BATTERY_LEVEL, + EventLog.writeEvent(EventLogTags.BATTERY_LEVEL, mBatteryLevel, mBatteryVoltage, mBatteryTemperature); } if (mBatteryLevel != mLastBatteryLevel && mPlugType == BATTERY_PLUGGED_NONE) { // If the battery level has changed and we are on battery, update the current level. - // This is used for discharge cycle tracking so this shouldn't be updated while the + // This is used for discharge cycle tracking so this shouldn't be updated while the // battery is charging. try { mBatteryStats.recordCurrentLevel(mBatteryLevel); @@ -271,7 +267,7 @@ class BatteryService extends Binder { dischargeDuration = SystemClock.elapsedRealtime() - mDischargeStartTime; logOutlier = true; } - + final boolean plugged = mPlugType != BATTERY_PLUGGED_NONE; final boolean oldPlugged = mLastPlugType != BATTERY_PLUGGED_NONE; @@ -285,9 +281,9 @@ class BatteryService extends Binder { && mBatteryStatus != BatteryManager.BATTERY_STATUS_UNKNOWN && mBatteryLevel <= mLowBatteryWarningLevel && (oldPlugged || mLastBatteryLevel > mLowBatteryWarningLevel); - + sendIntent(); - + // Separate broadcast is sent for power connected / not connected // since the standard intent will not wake any applications and some // applications may want to have smart behavior based on this. @@ -311,12 +307,12 @@ class BatteryService extends Binder { statusIntent.setAction(Intent.ACTION_BATTERY_OKAY); mContext.sendBroadcast(statusIntent); } - + // This needs to be done after sendIntent() so that we get the lastest battery stats. if (logOutlier && dischargeDuration != 0) { logOutlier(dischargeDuration); } - + mLastBatteryStatus = mBatteryStatus; mLastBatteryHealth = mBatteryHealth; mLastBatteryPresent = mBatteryPresent; @@ -337,7 +333,7 @@ class BatteryService extends Binder { } catch (RemoteException e) { // Should never happen. } - + int icon = getIcon(mBatteryLevel); intent.putExtra(BatteryManager.EXTRA_STATUS, mBatteryStatus); @@ -353,8 +349,8 @@ class BatteryService extends Binder { if (false) { Log.d(TAG, "updateBattery level:" + mBatteryLevel + - " scale:" + BATTERY_SCALE + " status:" + mBatteryStatus + - " health:" + mBatteryHealth + " present:" + mBatteryPresent + + " scale:" + BATTERY_SCALE + " status:" + mBatteryStatus + + " health:" + mBatteryHealth + " present:" + mBatteryPresent + " voltage: " + mBatteryVoltage + " temperature: " + mBatteryTemperature + " technology: " + mBatteryTechnology + @@ -366,7 +362,7 @@ class BatteryService extends Binder { } private final void logBatteryStats() { - + IBinder batteryInfoService = ServiceManager.getService(BATTERY_STATS_SERVICE_NAME); if (batteryInfoService != null) { byte[] buffer = new byte[DUMP_MAX_LENGTH]; @@ -385,15 +381,15 @@ class BatteryService extends Binder { FileInputStream fileInputStream = new FileInputStream(dumpFile); int nread = fileInputStream.read(buffer, 0, length); if (nread > 0) { - Checkin.logEvent(mContext.getContentResolver(), - Checkin.Events.Tag.BATTERY_DISCHARGE_INFO, + Checkin.logEvent(mContext.getContentResolver(), + Checkin.Events.Tag.BATTERY_DISCHARGE_INFO, new String(buffer, 0, nread)); - if (LOCAL_LOGV) Log.v(TAG, "dumped " + nread + "b from " + + if (LOCAL_LOGV) Log.v(TAG, "dumped " + nread + "b from " + batteryInfoService + "to log"); if (LOCAL_LOGV) Log.v(TAG, "actual dump:" + new String(buffer, 0, nread)); } } catch (RemoteException e) { - Log.e(TAG, "failed to dump service '" + BATTERY_STATS_SERVICE_NAME + + Log.e(TAG, "failed to dump service '" + BATTERY_STATS_SERVICE_NAME + "':" + e); } catch (IOException e) { Log.e(TAG, "failed to write dumpsys file: " + e); @@ -413,29 +409,29 @@ class BatteryService extends Binder { } } } - + private final void logOutlier(long duration) { ContentResolver cr = mContext.getContentResolver(); String dischargeThresholdString = Settings.Gservices.getString(cr, Settings.Gservices.BATTERY_DISCHARGE_THRESHOLD); String durationThresholdString = Settings.Gservices.getString(cr, Settings.Gservices.BATTERY_DISCHARGE_DURATION_THRESHOLD); - + if (dischargeThresholdString != null && durationThresholdString != null) { try { long durationThreshold = Long.parseLong(durationThresholdString); int dischargeThreshold = Integer.parseInt(dischargeThresholdString); - if (duration <= durationThreshold && + if (duration <= durationThreshold && mDischargeStartLevel - mBatteryLevel >= dischargeThreshold) { // If the discharge cycle is bad enough we want to know about it. logBatteryStats(); } - if (LOCAL_LOGV) Log.v(TAG, "duration threshold: " + durationThreshold + + if (LOCAL_LOGV) Log.v(TAG, "duration threshold: " + durationThreshold + " discharge threshold: " + dischargeThreshold); - if (LOCAL_LOGV) Log.v(TAG, "duration: " + duration + " discharge: " + + if (LOCAL_LOGV) Log.v(TAG, "duration: " + duration + " discharge: " + (mDischargeStartLevel - mBatteryLevel)); } catch (NumberFormatException e) { - Log.e(TAG, "Invalid DischargeThresholds GService string: " + + Log.e(TAG, "Invalid DischargeThresholds GService string: " + durationThresholdString + " or " + dischargeThresholdString); return; } @@ -458,7 +454,7 @@ class BatteryService extends Binder { 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 Battery service from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |