| /* |
| * Copyright (C) 2017 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.settings.fuelgauge.anomaly.checker; |
| |
| import android.content.Context; |
| import android.os.BatteryStats; |
| import android.support.annotation.VisibleForTesting; |
| import android.text.format.DateUtils; |
| import android.util.ArrayMap; |
| |
| import com.android.internal.os.BatterySipper; |
| import com.android.internal.os.BatteryStatsHelper; |
| import com.android.settings.Utils; |
| import com.android.settings.fuelgauge.BatteryUtils; |
| import com.android.settings.fuelgauge.anomaly.Anomaly; |
| import com.android.settings.fuelgauge.anomaly.AnomalyDetectionPolicy; |
| import com.android.settings.fuelgauge.anomaly.AnomalyUtils; |
| import com.android.settings.fuelgauge.anomaly.action.AnomalyAction; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Check whether apps has too many wakeup alarms |
| */ |
| public class WakeupAlarmAnomalyDetector implements AnomalyDetector { |
| private static final String TAG = "WakeupAlarmAnomalyDetector"; |
| @VisibleForTesting |
| BatteryUtils mBatteryUtils; |
| private long mWakeupAlarmThreshold; |
| private Context mContext; |
| private AnomalyUtils mAnomalyUtils; |
| |
| public WakeupAlarmAnomalyDetector(Context context) { |
| this(context, new AnomalyDetectionPolicy(context), AnomalyUtils.getInstance(context)); |
| } |
| |
| @VisibleForTesting |
| WakeupAlarmAnomalyDetector(Context context, AnomalyDetectionPolicy policy, |
| AnomalyUtils anomalyUtils) { |
| mContext = context; |
| mBatteryUtils = BatteryUtils.getInstance(context); |
| mAnomalyUtils = anomalyUtils; |
| mWakeupAlarmThreshold = policy.wakeupAlarmThreshold; |
| } |
| |
| @Override |
| public List<Anomaly> detectAnomalies(BatteryStatsHelper batteryStatsHelper) { |
| // Detect all apps if targetPackageName is null |
| return detectAnomalies(batteryStatsHelper, null /* targetPackageName */); |
| } |
| |
| @Override |
| public List<Anomaly> detectAnomalies(BatteryStatsHelper batteryStatsHelper, |
| String targetPackageName) { |
| final List<BatterySipper> batterySippers = batteryStatsHelper.getUsageList(); |
| final List<Anomaly> anomalies = new ArrayList<>(); |
| final double totalRunningHours = mBatteryUtils.calculateRunningTimeBasedOnStatsType( |
| batteryStatsHelper, BatteryStats.STATS_SINCE_CHARGED) |
| / (double) DateUtils.HOUR_IN_MILLIS; |
| final int targetUid = mBatteryUtils.getPackageUid(targetPackageName); |
| |
| if (totalRunningHours >= 1) { |
| for (int i = 0, size = batterySippers.size(); i < size; i++) { |
| final BatterySipper sipper = batterySippers.get(i); |
| final BatteryStats.Uid uid = sipper.uidObj; |
| if (uid == null |
| || mBatteryUtils.shouldHideSipper(sipper) |
| || (targetUid != BatteryUtils.UID_NULL && targetUid != uid.getUid())) { |
| continue; |
| } |
| |
| final int wakeupAlarmCount = (int) (getWakeupAlarmCountFromUid(uid) |
| / totalRunningHours); |
| if (wakeupAlarmCount > mWakeupAlarmThreshold) { |
| final String packageName = mBatteryUtils.getPackageName(uid.getUid()); |
| final CharSequence displayName = Utils.getApplicationLabel(mContext, |
| packageName); |
| final int targetSdkVersion = mBatteryUtils.getTargetSdkVersion(packageName); |
| |
| Anomaly anomaly = new Anomaly.Builder() |
| .setUid(uid.getUid()) |
| .setType(Anomaly.AnomalyType.WAKEUP_ALARM) |
| .setDisplayName(displayName) |
| .setPackageName(packageName) |
| .setTargetSdkVersion(targetSdkVersion) |
| .setBackgroundRestrictionEnabled( |
| mBatteryUtils.isBackgroundRestrictionEnabled(targetSdkVersion, |
| uid.getUid(), packageName)) |
| .setWakeupAlarmCount(wakeupAlarmCount) |
| .build(); |
| |
| if (mAnomalyUtils.getAnomalyAction(anomaly).isActionActive(anomaly)) { |
| anomalies.add(anomaly); |
| } |
| } |
| } |
| } |
| |
| return anomalies; |
| } |
| |
| @VisibleForTesting |
| int getWakeupAlarmCountFromUid(BatteryStats.Uid uid) { |
| int wakeups = 0; |
| final ArrayMap<String, ? extends BatteryStats.Uid.Pkg> packageStats |
| = uid.getPackageStats(); |
| for (int ipkg = packageStats.size() - 1; ipkg >= 0; ipkg--) { |
| final BatteryStats.Uid.Pkg ps = packageStats.valueAt(ipkg); |
| final ArrayMap<String, ? extends BatteryStats.Counter> alarms = |
| ps.getWakeupAlarmStats(); |
| for (int iwa = alarms.size() - 1; iwa >= 0; iwa--) { |
| int count = alarms.valueAt(iwa).getCountLocked(BatteryStats.STATS_SINCE_CHARGED); |
| wakeups += count; |
| } |
| |
| } |
| |
| return wakeups; |
| } |
| |
| } |