1 /* 2 * Copyright (C) 2018 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.powermodel.component; 18 19 import java.util.ArrayList; 20 import java.util.List; 21 import com.android.powermodel.AttributionKey; 22 import com.android.powermodel.ComponentActivity; 23 import com.android.powermodel.RawBatteryStats; 24 import com.android.powermodel.SpecialApp; 25 26 public class ModemBatteryStatsReader { ModemBatteryStatsReader()27 private ModemBatteryStatsReader() { 28 } 29 createActivities(RawBatteryStats bs)30 public static List<ComponentActivity> createActivities(RawBatteryStats bs) { 31 final List<ComponentActivity> result = new ArrayList<ComponentActivity>(); 32 33 // The whole system 34 createGlobal(result, bs); 35 36 // The apps 37 createApps(result, bs); 38 39 // The synthetic "cell" app. 40 createRemainder(result, bs); 41 42 return result; 43 } 44 createGlobal(List<ComponentActivity> result, RawBatteryStats bs)45 private static void createGlobal(List<ComponentActivity> result, RawBatteryStats bs) { 46 final ModemGlobalActivity global 47 = new ModemGlobalActivity(new AttributionKey(SpecialApp.GLOBAL)); 48 49 final RawBatteryStats.GlobalNetwork gn = bs.getSingle(RawBatteryStats.GlobalNetwork.class); 50 final RawBatteryStats.Misc misc = bs.getSingle(RawBatteryStats.Misc.class); 51 52 // Null here just means no network activity. 53 if (gn != null && misc != null) { 54 global.rxPacketCount = gn.mobileRxTotalPackets; 55 global.txPacketCount = gn.mobileTxTotalPackets; 56 57 global.totalActiveTimeMs = misc.mobileRadioActiveTimeMs; 58 } 59 60 result.add(global); 61 } 62 createApps(List<ComponentActivity> result, RawBatteryStats bs)63 private static void createApps(List<ComponentActivity> result, RawBatteryStats bs) { 64 for (AttributionKey key: bs.getApps()) { 65 final int uid = key.getUid(); 66 final RawBatteryStats.Network network 67 = bs.getSingle(RawBatteryStats.Network.class, uid); 68 69 // Null here just means no network activity. 70 if (network != null) { 71 final ModemAppActivity app = new ModemAppActivity(key); 72 73 app.rxPacketCount = network.mobileRxPackets; 74 app.txPacketCount = network.mobileTxPackets; 75 76 result.add(app); 77 } 78 } 79 } 80 createRemainder(List<ComponentActivity> result, RawBatteryStats bs)81 private static void createRemainder(List<ComponentActivity> result, RawBatteryStats bs) { 82 final RawBatteryStats.SignalStrengthTime strength 83 = bs.getSingle(RawBatteryStats.SignalStrengthTime.class); 84 final RawBatteryStats.SignalScanningTime scanning 85 = bs.getSingle(RawBatteryStats.SignalScanningTime.class); 86 final RawBatteryStats.Misc misc = bs.getSingle(RawBatteryStats.Misc.class); 87 88 if (strength != null && scanning != null && misc != null) { 89 final ModemRemainderActivity remainder 90 = new ModemRemainderActivity(new AttributionKey(SpecialApp.REMAINDER)); 91 92 // Signal strength buckets 93 remainder.strengthTimeMs = strength.phoneSignalStrengthTimeMs; 94 95 // Time spent scanning 96 remainder.scanningTimeMs = scanning.phoneSignalScanningTimeMs; 97 98 // Unaccounted for active time 99 final long totalActiveTimeMs = misc.mobileRadioActiveTimeMs; 100 long appActiveTimeMs = 0; 101 for (RawBatteryStats.Network nw: bs.getMultiple(RawBatteryStats.Network.class)) { 102 appActiveTimeMs += nw.mobileRadioActiveTimeUs / 1000; 103 } 104 remainder.activeTimeMs = totalActiveTimeMs - appActiveTimeMs; 105 106 result.add(remainder); 107 } 108 } 109 } 110 111