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Diffstat (limited to 'services/java/com/android/server/BatteryService.java')
-rw-r--r--services/java/com/android/server/BatteryService.java116
1 files changed, 1 insertions, 115 deletions
diff --git a/services/java/com/android/server/BatteryService.java b/services/java/com/android/server/BatteryService.java
index 3a9a59f85be6..9c9a5802d283 100644
--- a/services/java/com/android/server/BatteryService.java
+++ b/services/java/com/android/server/BatteryService.java
@@ -20,31 +20,20 @@ import com.android.internal.app.IBatteryStats;
import com.android.server.am.BatteryStatsService;
import android.app.ActivityManagerNative;
-import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.BatteryManager;
import android.os.Binder;
-import android.os.Debug;
-import android.os.IBinder;
import android.os.RemoteException;
-import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.UEventObserver;
-import android.provider.Checkin;
-import android.provider.Settings;
import android.util.EventLog;
import android.util.Log;
-import java.io.File;
import java.io.FileDescriptor;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
import java.io.PrintWriter;
-
-
+import java.lang.String;
/**
* <p>BatteryService monitors the charging status, and charge level of the device
@@ -71,24 +60,12 @@ 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 DUMP_MAX_LENGTH = 24 * 1024;
- private static final String[] DUMPSYS_ARGS = new String[] { "-c", "-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
private static final int BATTERY_PLUGGED_NONE = 0;
@@ -104,7 +81,6 @@ class BatteryService extends Binder {
private int mBatteryVoltage;
private int mBatteryTemperature;
private String mBatteryTechnology;
- private boolean mBatteryLevelCritical;
private int mLastBatteryStatus;
private int mLastBatteryHealth;
@@ -112,7 +88,6 @@ class BatteryService extends Binder {
private int mLastBatteryLevel;
private int mLastBatteryVoltage;
private int mLastBatteryTemperature;
- private boolean mLastBatteryLevelCritical;
private int mPlugType;
private int mLastPlugType = -1; // Extra state so we can detect first run
@@ -120,7 +95,6 @@ class BatteryService extends Binder {
private long mDischargeStartTime;
private int mDischargeStartLevel;
-
public BatteryService(Context context) {
mContext = context;
mBatteryStats = BatteryStatsService.getService();
@@ -175,8 +149,6 @@ class BatteryService extends Binder {
private synchronized final void update() {
native_update();
-
- mBatteryLevelCritical = mBatteryLevel <= CRITICAL_BATTERY_LEVEL;
if (mAcOnline) {
mPlugType = BatteryManager.BATTERY_PLUGGED_AC;
} else if (mUsbOnline) {
@@ -204,8 +176,6 @@ class BatteryService extends Binder {
mDischargeStartLevel, mBatteryLevel);
// make sure we see a discharge event before logging again
mDischargeStartTime = 0;
-
- logOutlier(duration);
}
} else if (mPlugType == BATTERY_PLUGGED_NONE) {
// charging -> discharging or we just powered up
@@ -227,12 +197,6 @@ class BatteryService extends Binder {
EventLog.writeEvent(LOG_BATTERY_LEVEL,
mBatteryLevel, mBatteryVoltage, mBatteryTemperature);
}
- if (mBatteryLevelCritical && !mLastBatteryLevelCritical &&
- mPlugType == BATTERY_PLUGGED_NONE) {
- // We want to make sure we log discharge cycle outliers
- // if the battery is about to die.
- logOutlier(SystemClock.elapsedRealtime() - mDischargeStartTime);
- }
mLastBatteryStatus = mBatteryStatus;
mLastBatteryHealth = mBatteryHealth;
@@ -241,7 +205,6 @@ class BatteryService extends Binder {
mLastPlugType = mPlugType;
mLastBatteryVoltage = mBatteryVoltage;
mLastBatteryTemperature = mBatteryTemperature;
- mLastBatteryLevelCritical = mBatteryLevelCritical;
sendIntent();
}
@@ -284,83 +247,6 @@ class BatteryService extends Binder {
ActivityManagerNative.broadcastStickyIntent(intent, null);
}
- private final void logBatteryStats() {
-
- IBinder batteryInfoService = ServiceManager.getService(BATTERY_STATS_SERVICE_NAME);
- if (batteryInfoService != null) {
- byte[] buffer = new byte[DUMP_MAX_LENGTH];
- File dumpFile = null;
- FileOutputStream dumpStream = null;
- try {
- // dump the service to a file
- dumpFile = new File(DUMPSYS_DATA_PATH + BATTERY_STATS_SERVICE_NAME + ".dump");
- dumpStream = new FileOutputStream(dumpFile);
- batteryInfoService.dump(dumpStream.getFD(), DUMPSYS_ARGS);
- dumpStream.getFD().sync();
-
- // read dumped file above into buffer truncated to DUMP_MAX_LENGTH
- // and insert into events table.
- int length = (int) Math.min(dumpFile.length(), DUMP_MAX_LENGTH);
- 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,
- new String(buffer, 0, nread));
- 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 +
- "':" + e);
- } catch (IOException e) {
- Log.e(TAG, "failed to write dumpsys file: " + e);
- } finally {
- // make sure we clean up
- if (dumpStream != null) {
- try {
- dumpStream.close();
- } catch (IOException e) {
- Log.e(TAG, "failed to close dumpsys output stream");
- }
- }
- if (dumpFile != null && !dumpFile.delete()) {
- Log.e(TAG, "failed to delete temporary dumpsys file: "
- + dumpFile.getAbsolutePath());
- }
- }
- }
- }
-
- 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 &&
- 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 +
- " discharge threshold: " + dischargeThreshold);
- if (LOCAL_LOGV) Log.v(TAG, "duration: " + duration + " discharge: " +
- (mDischargeStartLevel - mBatteryLevel));
- } catch (NumberFormatException e) {
- Log.e(TAG, "Invalid DischargeThresholds GService string: " +
- durationThresholdString + " or " + dischargeThresholdString);
- return;
- }
- }
- }
-
private final int getIcon(int level) {
if (mBatteryStatus == BatteryManager.BATTERY_STATUS_CHARGING) {
return com.android.internal.R.drawable.stat_sys_battery_charge;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 07:17:29 +0000