Blake Kragten | cb308d9 | 2019-01-28 10:54:13 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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 | package com.android.internal.os; |
| 17 | |
| 18 | import android.util.ArrayMap; |
| 19 | import android.util.Slog; |
| 20 | |
| 21 | import java.util.Map; |
| 22 | |
| 23 | /** Rail Stats Power Monitoring Class */ |
| 24 | public final class RailStats { |
| 25 | private static final String TAG = "RailStats"; |
| 26 | |
| 27 | private static final String WIFI_SUBSYSTEM = "wifi"; |
| 28 | private static final String CELLULAR_SUBSYSTEM = "cellular"; |
| 29 | |
| 30 | private Map<Long, RailInfoData> mRailInfoData = new ArrayMap<>(); |
| 31 | |
| 32 | private long mCellularTotalEnergyUseduWs = 0; |
| 33 | private long mWifiTotalEnergyUseduWs = 0; |
| 34 | private boolean mRailStatsAvailability = true; |
| 35 | |
| 36 | /** Updates the rail data map of all power monitor rails being monitored |
| 37 | * Function is called from native side |
| 38 | * @param index |
| 39 | * @param railName |
| 40 | * @param subSystemName |
| 41 | * @param timestampSinceBootMs |
| 42 | * @param energyUsedSinceBootuWs |
| 43 | */ |
| 44 | public void updateRailData(long index, String railName, String subSystemName, |
| 45 | long timestampSinceBootMs, long energyUsedSinceBootuWs) { |
| 46 | if (!(subSystemName.equals(WIFI_SUBSYSTEM) || subSystemName.equals(CELLULAR_SUBSYSTEM))) { |
| 47 | return; |
| 48 | } |
| 49 | RailInfoData node = mRailInfoData.get(index); |
| 50 | if (node == null) { |
| 51 | mRailInfoData.put(index, new RailInfoData(index, railName, subSystemName, |
| 52 | timestampSinceBootMs, energyUsedSinceBootuWs)); |
| 53 | if (subSystemName.equals(WIFI_SUBSYSTEM)) { |
| 54 | mWifiTotalEnergyUseduWs += energyUsedSinceBootuWs; |
| 55 | return; |
| 56 | } |
| 57 | if (subSystemName.equals(CELLULAR_SUBSYSTEM)) { |
| 58 | mCellularTotalEnergyUseduWs += energyUsedSinceBootuWs; |
| 59 | } |
| 60 | return; |
| 61 | } |
| 62 | long timeSinceLastLogMs = timestampSinceBootMs - node.timestampSinceBootMs; |
| 63 | long energyUsedSinceLastLoguWs = energyUsedSinceBootuWs - node.energyUsedSinceBootuWs; |
| 64 | if (timeSinceLastLogMs < 0 || energyUsedSinceLastLoguWs < 0) { |
| 65 | energyUsedSinceLastLoguWs = node.energyUsedSinceBootuWs; |
| 66 | } |
| 67 | node.timestampSinceBootMs = timestampSinceBootMs; |
| 68 | node.energyUsedSinceBootuWs = energyUsedSinceBootuWs; |
| 69 | if (subSystemName.equals(WIFI_SUBSYSTEM)) { |
| 70 | mWifiTotalEnergyUseduWs += energyUsedSinceLastLoguWs; |
| 71 | return; |
| 72 | } |
| 73 | if (subSystemName.equals(CELLULAR_SUBSYSTEM)) { |
| 74 | mCellularTotalEnergyUseduWs += energyUsedSinceLastLoguWs; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | /** resets the cellular total energy used aspect. |
| 79 | */ |
| 80 | public void resetCellularTotalEnergyUsed() { |
| 81 | mCellularTotalEnergyUseduWs = 0; |
| 82 | } |
| 83 | |
| 84 | /** resets the wifi total energy used aspect. |
| 85 | */ |
| 86 | public void resetWifiTotalEnergyUsed() { |
| 87 | mWifiTotalEnergyUseduWs = 0; |
| 88 | } |
| 89 | |
| 90 | public long getCellularTotalEnergyUseduWs() { |
| 91 | return mCellularTotalEnergyUseduWs; |
| 92 | } |
| 93 | |
| 94 | public long getWifiTotalEnergyUseduWs() { |
| 95 | return mWifiTotalEnergyUseduWs; |
| 96 | } |
| 97 | |
| 98 | /** reset the total energy subsystems |
| 99 | * |
| 100 | */ |
| 101 | public void reset() { |
| 102 | mCellularTotalEnergyUseduWs = 0; |
| 103 | mWifiTotalEnergyUseduWs = 0; |
| 104 | } |
| 105 | |
| 106 | public RailStats getRailStats() { |
| 107 | return this; |
| 108 | } |
| 109 | |
| 110 | public void setRailStatsAvailability(boolean railStatsAvailability) { |
| 111 | mRailStatsAvailability = railStatsAvailability; |
| 112 | } |
| 113 | |
| 114 | public boolean isRailStatsAvailable() { |
| 115 | return mRailStatsAvailability; |
| 116 | } |
| 117 | |
| 118 | /** Container class to contain rail data information */ |
| 119 | public static class RailInfoData { |
| 120 | private static final String TAG = "RailInfoData"; |
| 121 | public long index; |
| 122 | public String railName; |
| 123 | public String subSystemName; |
| 124 | public long timestampSinceBootMs; |
| 125 | public long energyUsedSinceBootuWs; |
| 126 | |
| 127 | private RailInfoData(long index, String railName, String subSystemName, |
| 128 | long timestampSinceBootMs, long energyUsedSinceBoot) { |
| 129 | this.index = index; |
| 130 | this.railName = railName; |
| 131 | this.subSystemName = subSystemName; |
| 132 | this.timestampSinceBootMs = timestampSinceBootMs; |
| 133 | this.energyUsedSinceBootuWs = energyUsedSinceBoot; |
| 134 | } |
| 135 | |
| 136 | /** print the rail data |
| 137 | * |
| 138 | */ |
| 139 | public void printData() { |
| 140 | Slog.d(TAG, "Index = " + index); |
| 141 | Slog.d(TAG, "RailName = " + railName); |
| 142 | Slog.d(TAG, "SubSystemName = " + subSystemName); |
| 143 | Slog.d(TAG, "TimestampSinceBootMs = " + timestampSinceBootMs); |
| 144 | Slog.d(TAG, "EnergyUsedSinceBootuWs = " + energyUsedSinceBootuWs); |
| 145 | } |
| 146 | } |
| 147 | } |