Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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.server.am; |
| 18 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 19 | import static android.app.ActivityManager.PROCESS_STATE_CACHED_ACTIVITY; |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 20 | import static android.app.ActivityManager.PROCESS_STATE_NONEXISTENT; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 21 | import static android.app.ActivityThread.PROC_START_SEQ_IDENT; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 22 | import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AUTO; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 23 | import static android.os.Process.SYSTEM_UID; |
| 24 | import static android.os.Process.THREAD_PRIORITY_BACKGROUND; |
| 25 | import static android.os.Process.getFreeMemory; |
| 26 | import static android.os.Process.getTotalMemory; |
| 27 | import static android.os.Process.killProcessQuiet; |
| 28 | import static android.os.Process.startWebView; |
| 29 | |
| 30 | import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LRU; |
| 31 | import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_PROCESSES; |
| 32 | import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_PSS; |
| 33 | import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_UID_OBSERVERS; |
Wale Ogunwale | e23149f | 2015-03-06 15:39:44 -0800 | [diff] [blame] | 34 | import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; |
| 35 | import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 36 | import static com.android.server.am.ActivityManagerService.KILL_APP_ZYGOTE_DELAY_MS; |
| 37 | import static com.android.server.am.ActivityManagerService.KILL_APP_ZYGOTE_MSG; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 38 | import static com.android.server.am.ActivityManagerService.PERSISTENT_MASK; |
| 39 | import static com.android.server.am.ActivityManagerService.PROC_START_TIMEOUT; |
| 40 | import static com.android.server.am.ActivityManagerService.PROC_START_TIMEOUT_MSG; |
| 41 | import static com.android.server.am.ActivityManagerService.PROC_START_TIMEOUT_WITH_WRAPPER; |
| 42 | import static com.android.server.am.ActivityManagerService.STOCK_PM_FLAGS; |
| 43 | import static com.android.server.am.ActivityManagerService.TAG_LRU; |
| 44 | import static com.android.server.am.ActivityManagerService.TAG_PROCESSES; |
| 45 | import static com.android.server.am.ActivityManagerService.TAG_PSS; |
| 46 | import static com.android.server.am.ActivityManagerService.TAG_UID_OBSERVERS; |
Wale Ogunwale | e23149f | 2015-03-06 15:39:44 -0800 | [diff] [blame] | 47 | |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 48 | import android.app.ActivityManager; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 49 | import android.app.AppGlobals; |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 50 | import android.app.AppProtoEnums; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 51 | import android.app.IApplicationThread; |
| 52 | import android.content.ComponentName; |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 53 | import android.content.Context; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 54 | import android.content.Intent; |
| 55 | import android.content.pm.ApplicationInfo; |
| 56 | import android.content.pm.IPackageManager; |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 57 | import android.content.res.Resources; |
| 58 | import android.graphics.Point; |
| 59 | import android.net.LocalSocket; |
| 60 | import android.net.LocalSocketAddress; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 61 | import android.net.Uri; |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 62 | import android.os.AppZygote; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 63 | import android.os.Binder; |
Dianne Hackborn | 9d52f79 | 2014-09-11 17:46:06 -0700 | [diff] [blame] | 64 | import android.os.Build; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 65 | import android.os.Bundle; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 66 | import android.os.Handler; |
| 67 | import android.os.IBinder; |
| 68 | import android.os.Looper; |
| 69 | import android.os.Message; |
| 70 | import android.os.Process; |
| 71 | import android.os.RemoteException; |
| 72 | import android.os.StrictMode; |
Dianne Hackborn | ecf1cda | 2014-08-28 16:58:28 -0700 | [diff] [blame] | 73 | import android.os.SystemClock; |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 74 | import android.os.SystemProperties; |
| 75 | import android.os.Trace; |
| 76 | import android.os.UserHandle; |
Jeff Sharkey | 10ec9d8 | 2018-11-28 14:52:45 -0700 | [diff] [blame] | 77 | import android.os.storage.StorageManager; |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 78 | import android.os.storage.StorageManagerInternal; |
| 79 | import android.text.TextUtils; |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 80 | import android.util.ArrayMap; |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 81 | import android.util.EventLog; |
| 82 | import android.util.LongSparseArray; |
| 83 | import android.util.Slog; |
| 84 | import android.util.SparseArray; |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 85 | import android.util.SparseBooleanArray; |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 86 | import android.util.StatsLog; |
| 87 | import android.view.Display; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 88 | |
| 89 | import com.android.internal.annotations.GuardedBy; |
| 90 | import com.android.internal.annotations.VisibleForTesting; |
| 91 | import com.android.internal.app.ProcessMap; |
| 92 | import com.android.internal.app.procstats.ProcessStats; |
| 93 | import com.android.internal.os.Zygote; |
| 94 | import com.android.internal.util.ArrayUtils; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 95 | import com.android.internal.util.MemInfoReader; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 96 | import com.android.server.LocalServices; |
| 97 | import com.android.server.ServiceThread; |
| 98 | import com.android.server.Watchdog; |
| 99 | import com.android.server.pm.dex.DexManager; |
Wale Ogunwale | 5950709 | 2018-10-29 09:00:30 -0700 | [diff] [blame] | 100 | import com.android.server.wm.ActivityServiceConnectionsHolder; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 101 | import com.android.server.wm.WindowManagerService; |
| 102 | |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 103 | import dalvik.system.VMRuntime; |
| 104 | |
Sudheer Shanka | 87915d6 | 2018-11-06 10:57:35 -0800 | [diff] [blame] | 105 | import libcore.io.IoUtils; |
| 106 | |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 107 | import java.io.File; |
| 108 | import java.io.IOException; |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 109 | import java.io.InputStream; |
Sudheer Shanka | 87915d6 | 2018-11-06 10:57:35 -0800 | [diff] [blame] | 110 | import java.io.OutputStream; |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 111 | import java.io.PrintWriter; |
| 112 | import java.nio.ByteBuffer; |
| 113 | import java.util.ArrayList; |
| 114 | import java.util.Arrays; |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 115 | import java.util.BitSet; |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 116 | import java.util.List; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 117 | |
| 118 | /** |
| 119 | * Activity manager code dealing with processes. |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 120 | * |
| 121 | * Method naming convention: |
| 122 | * <ul> |
| 123 | * <li> Methods suffixed with "LS" should be called within the {@link #sLmkdSocketLock} lock. |
| 124 | * </ul> |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 125 | */ |
Sudheer Shanka | 352dc57 | 2017-09-22 17:09:38 -0700 | [diff] [blame] | 126 | public final class ProcessList { |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 127 | static final String TAG = TAG_WITH_CLASS_NAME ? "ProcessList" : TAG_AM; |
Wale Ogunwale | e23149f | 2015-03-06 15:39:44 -0800 | [diff] [blame] | 128 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 129 | // The minimum time we allow between crashes, for us to consider this |
| 130 | // application to be bad and stop and its services and reject broadcasts. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 131 | static final int MIN_CRASH_INTERVAL = 60 * 1000; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 132 | |
| 133 | // OOM adjustments for processes in various states: |
| 134 | |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 135 | // Uninitialized value for any major or minor adj fields |
| 136 | static final int INVALID_ADJ = -10000; |
| 137 | |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 138 | // Adjustment used in certain places where we don't know it yet. |
| 139 | // (Generally this is something that is going to be cached, but we |
| 140 | // don't know the exact value in the cached range to assign yet.) |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 141 | static final int UNKNOWN_ADJ = 1001; |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 142 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 143 | // This is a process only hosting activities that are not visible, |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 144 | // so it can be killed without any disruption. |
Dianne Hackborn | b446ce5 | 2018-12-10 16:44:35 -0800 | [diff] [blame] | 145 | static final int CACHED_APP_MAX_ADJ = 999; |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 146 | static final int CACHED_APP_MIN_ADJ = 900; |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 147 | |
Tim Murray | 0d42abe | 2019-01-23 09:54:15 -0800 | [diff] [blame] | 148 | // This is the oom_adj level that we allow to die first. This cannot be equal to |
| 149 | // CACHED_APP_MAX_ADJ unless processes are actively being assigned an oom_score_adj of |
| 150 | // CACHED_APP_MAX_ADJ. |
| 151 | static final int CACHED_APP_LMK_FIRST_ADJ = 950; |
| 152 | |
Dianne Hackborn | b446ce5 | 2018-12-10 16:44:35 -0800 | [diff] [blame] | 153 | // Number of levels we have available for different service connection group importance |
| 154 | // levels. |
| 155 | static final int CACHED_APP_IMPORTANCE_LEVELS = 5; |
| 156 | |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 157 | // The B list of SERVICE_ADJ -- these are the old and decrepit |
| 158 | // services that aren't as shiny and interesting as the ones in the A list. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 159 | static final int SERVICE_B_ADJ = 800; |
Dianne Hackborn | f35fe23 | 2011-11-01 19:25:20 -0700 | [diff] [blame] | 160 | |
| 161 | // This is the process of the previous application that the user was in. |
| 162 | // This process is kept above other things, because it is very common to |
| 163 | // switch back to the previous app. This is important both for recent |
| 164 | // task switch (toggling between the two top recent apps) as well as normal |
| 165 | // UI flow such as clicking on a URI in the e-mail app to view in the browser, |
| 166 | // and then pressing back to return to e-mail. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 167 | static final int PREVIOUS_APP_ADJ = 700; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 168 | |
| 169 | // This is a process holding the home application -- we want to try |
| 170 | // avoiding killing it, even if it would normally be in the background, |
| 171 | // because the user interacts with it so much. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 172 | static final int HOME_APP_ADJ = 600; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 173 | |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 174 | // This is a process holding an application service -- killing it will not |
| 175 | // have much of an impact as far as the user is concerned. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 176 | static final int SERVICE_ADJ = 500; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 177 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 178 | // This is a process with a heavy-weight application. It is in the |
| 179 | // background, but we want to try to avoid killing it. Value set in |
| 180 | // system/rootdir/init.rc on startup. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 181 | static final int HEAVY_WEIGHT_APP_ADJ = 400; |
Dianne Hackborn | c823051 | 2013-07-13 21:32:12 -0700 | [diff] [blame] | 182 | |
| 183 | // This is a process currently hosting a backup operation. Killing it |
| 184 | // is not entirely fatal but is generally a bad idea. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 185 | static final int BACKUP_APP_ADJ = 300; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 186 | |
| 187 | // This is a process only hosting components that are perceptible to the |
| 188 | // user, and we really want to avoid killing them, but they are not |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 189 | // immediately visible. An example is background music playback. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 190 | static final int PERCEPTIBLE_APP_ADJ = 200; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 191 | |
| 192 | // This is a process only hosting activities that are visible to the |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 193 | // user, so we'd prefer they don't disappear. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 194 | static final int VISIBLE_APP_ADJ = 100; |
| 195 | static final int VISIBLE_APP_LAYER_MAX = PERCEPTIBLE_APP_ADJ - VISIBLE_APP_ADJ - 1; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 196 | |
Amith Yamasani | b735830 | 2018-09-05 18:52:35 -0700 | [diff] [blame] | 197 | // This is a process that was recently TOP and moved to FGS. Continue to treat it almost |
| 198 | // like a foreground app for a while. |
| 199 | // @see TOP_TO_FGS_GRACE_PERIOD |
| 200 | static final int PERCEPTIBLE_RECENT_FOREGROUND_APP_ADJ = 50; |
| 201 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 202 | // This is the process running the current foreground app. We'd really |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 203 | // rather not kill it! |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 204 | static final int FOREGROUND_APP_ADJ = 0; |
| 205 | |
Dianne Hackborn | ce09f5a | 2014-10-10 15:03:13 -0700 | [diff] [blame] | 206 | // This is a process that the system or a persistent process has bound to, |
| 207 | // and indicated it is important. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 208 | static final int PERSISTENT_SERVICE_ADJ = -700; |
Dianne Hackborn | ce09f5a | 2014-10-10 15:03:13 -0700 | [diff] [blame] | 209 | |
Dianne Hackborn | e02c88a | 2011-10-28 13:58:15 -0700 | [diff] [blame] | 210 | // This is a system persistent process, such as telephony. Definitely |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 211 | // don't want to kill it, but doing so is not completely fatal. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 212 | static final int PERSISTENT_PROC_ADJ = -800; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 213 | |
| 214 | // The system process runs at the default adjustment. |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 215 | static final int SYSTEM_ADJ = -900; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 216 | |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 217 | // Special code for native processes that are not being managed by the system (so |
| 218 | // don't have an oom adj assigned by the system). |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 219 | static final int NATIVE_ADJ = -1000; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 220 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 221 | // Memory pages are 4K. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 222 | static final int PAGE_SIZE = 4 * 1024; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 223 | |
Dianne Hackborn | a49ad09 | 2016-03-03 13:39:10 -0800 | [diff] [blame] | 224 | // Activity manager's version of Process.THREAD_GROUP_BG_NONINTERACTIVE |
| 225 | static final int SCHED_GROUP_BACKGROUND = 0; |
Tim Murray | fef10a4 | 2018-04-13 10:15:17 -0700 | [diff] [blame] | 226 | // Activity manager's version of Process.THREAD_GROUP_RESTRICTED |
| 227 | static final int SCHED_GROUP_RESTRICTED = 1; |
Dianne Hackborn | a49ad09 | 2016-03-03 13:39:10 -0800 | [diff] [blame] | 228 | // Activity manager's version of Process.THREAD_GROUP_DEFAULT |
Tim Murray | fef10a4 | 2018-04-13 10:15:17 -0700 | [diff] [blame] | 229 | static final int SCHED_GROUP_DEFAULT = 2; |
Dianne Hackborn | a49ad09 | 2016-03-03 13:39:10 -0800 | [diff] [blame] | 230 | // Activity manager's version of Process.THREAD_GROUP_TOP_APP |
Wale Ogunwale | 5950709 | 2018-10-29 09:00:30 -0700 | [diff] [blame] | 231 | public static final int SCHED_GROUP_TOP_APP = 3; |
Tim Murray | 33eb07f | 2016-06-10 10:03:20 -0700 | [diff] [blame] | 232 | // Activity manager's version of Process.THREAD_GROUP_TOP_APP |
| 233 | // Disambiguate between actual top app and processes bound to the top app |
Tim Murray | fef10a4 | 2018-04-13 10:15:17 -0700 | [diff] [blame] | 234 | static final int SCHED_GROUP_TOP_APP_BOUND = 4; |
Dianne Hackborn | a49ad09 | 2016-03-03 13:39:10 -0800 | [diff] [blame] | 235 | |
Dianne Hackborn | be4e6aa | 2013-06-07 13:25:29 -0700 | [diff] [blame] | 236 | // The minimum number of cached apps we want to be able to keep around, |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 237 | // without empty apps being able to push them out of memory. |
Dianne Hackborn | be4e6aa | 2013-06-07 13:25:29 -0700 | [diff] [blame] | 238 | static final int MIN_CACHED_APPS = 2; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 239 | |
Dianne Hackborn | b12e135 | 2012-09-26 11:39:20 -0700 | [diff] [blame] | 240 | // We allow empty processes to stick around for at most 30 minutes. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 241 | static final long MAX_EMPTY_TIME = 30 * 60 * 1000; |
Dianne Hackborn | b12e135 | 2012-09-26 11:39:20 -0700 | [diff] [blame] | 242 | |
Dianne Hackborn | be4e6aa | 2013-06-07 13:25:29 -0700 | [diff] [blame] | 243 | // Threshold of number of cached+empty where we consider memory critical. |
Dianne Hackborn | b12e135 | 2012-09-26 11:39:20 -0700 | [diff] [blame] | 244 | static final int TRIM_CRITICAL_THRESHOLD = 3; |
| 245 | |
Dianne Hackborn | be4e6aa | 2013-06-07 13:25:29 -0700 | [diff] [blame] | 246 | // Threshold of number of cached+empty where we consider memory critical. |
Dianne Hackborn | b12e135 | 2012-09-26 11:39:20 -0700 | [diff] [blame] | 247 | static final int TRIM_LOW_THRESHOLD = 5; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 248 | |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 249 | // Low Memory Killer Daemon command codes. |
| 250 | // These must be kept in sync with the definitions in lmkd.c |
| 251 | // |
| 252 | // LMK_TARGET <minfree> <minkillprio> ... (up to 6 pairs) |
Chong Zhang | fdcc4d4 | 2015-10-14 16:50:12 -0700 | [diff] [blame] | 253 | // LMK_PROCPRIO <pid> <uid> <prio> |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 254 | // LMK_PROCREMOVE <pid> |
Suren Baghdasaryan | 2b2011a | 2018-10-10 14:22:20 -0700 | [diff] [blame] | 255 | // LMK_PROCPURGE |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 256 | // LMK_GETKILLCNT |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 257 | static final byte LMK_TARGET = 0; |
| 258 | static final byte LMK_PROCPRIO = 1; |
| 259 | static final byte LMK_PROCREMOVE = 2; |
Suren Baghdasaryan | 2b2011a | 2018-10-10 14:22:20 -0700 | [diff] [blame] | 260 | static final byte LMK_PROCPURGE = 3; |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 261 | static final byte LMK_GETKILLCNT = 4; |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 262 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 263 | ActivityManagerService mService = null; |
| 264 | |
| 265 | // To kill process groups asynchronously |
| 266 | static KillHandler sKillHandler = null; |
| 267 | static ServiceThread sKillThread = null; |
| 268 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 269 | // These are the various interesting memory levels that we will give to |
| 270 | // the OOM killer. Note that the OOM killer only supports 6 slots, so we |
| 271 | // can't give it a different value for every possible kind of process. |
| 272 | private final int[] mOomAdj = new int[] { |
| 273 | FOREGROUND_APP_ADJ, VISIBLE_APP_ADJ, PERCEPTIBLE_APP_ADJ, |
Tim Murray | 0d42abe | 2019-01-23 09:54:15 -0800 | [diff] [blame] | 274 | BACKUP_APP_ADJ, CACHED_APP_MIN_ADJ, CACHED_APP_LMK_FIRST_ADJ |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 275 | }; |
| 276 | // These are the low-end OOM level limits. This is appropriate for an |
| 277 | // HVGA or smaller phone with less than 512MB. Values are in KB. |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 278 | private final int[] mOomMinFreeLow = new int[] { |
Dianne Hackborn | 3f16dd4 | 2014-10-02 17:21:27 -0700 | [diff] [blame] | 279 | 12288, 18432, 24576, |
| 280 | 36864, 43008, 49152 |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 281 | }; |
| 282 | // These are the high-end OOM level limits. This is appropriate for a |
| 283 | // 1280x800 or larger screen with around 1GB RAM. Values are in KB. |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 284 | private final int[] mOomMinFreeHigh = new int[] { |
Dianne Hackborn | 3f16dd4 | 2014-10-02 17:21:27 -0700 | [diff] [blame] | 285 | 73728, 92160, 110592, |
Dianne Hackborn | 824aeab | 2014-11-25 17:26:36 -0800 | [diff] [blame] | 286 | 129024, 147456, 184320 |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 287 | }; |
| 288 | // The actual OOM killer memory levels we are using. |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 289 | private final int[] mOomMinFree = new int[mOomAdj.length]; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 290 | |
| 291 | private final long mTotalMemMb; |
| 292 | |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 293 | private long mCachedRestoreLevel; |
| 294 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 295 | private boolean mHaveDisplaySize; |
| 296 | |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 297 | private static Object sLmkdSocketLock = new Object(); |
| 298 | |
| 299 | @GuardedBy("sLmkdSocketLock") |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 300 | private static LocalSocket sLmkdSocket; |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 301 | |
| 302 | @GuardedBy("sLmkdSocketLock") |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 303 | private static OutputStream sLmkdOutputStream; |
| 304 | |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 305 | @GuardedBy("sLmkdSocketLock") |
| 306 | private static InputStream sLmkdInputStream; |
| 307 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 308 | /** |
| 309 | * Temporary to avoid allocations. Protected by main lock. |
| 310 | */ |
| 311 | @GuardedBy("mService") |
| 312 | final StringBuilder mStringBuilder = new StringBuilder(256); |
| 313 | |
| 314 | /** |
| 315 | * A global counter for generating sequence numbers. |
| 316 | * This value will be used when incrementing sequence numbers in individual uidRecords. |
| 317 | * |
| 318 | * Having a global counter ensures that seq numbers are monotonically increasing for a |
| 319 | * particular uid even when the uidRecord is re-created. |
| 320 | */ |
| 321 | @GuardedBy("mService") |
| 322 | @VisibleForTesting |
| 323 | long mProcStateSeqCounter = 0; |
| 324 | |
| 325 | /** |
| 326 | * A global counter for generating sequence numbers to uniquely identify pending process starts. |
| 327 | */ |
| 328 | @GuardedBy("mService") |
| 329 | private long mProcStartSeqCounter = 0; |
| 330 | |
| 331 | /** |
| 332 | * Contains {@link ProcessRecord} objects for pending process starts. |
| 333 | * |
| 334 | * Mapping: {@link #mProcStartSeqCounter} -> {@link ProcessRecord} |
| 335 | */ |
| 336 | @GuardedBy("mService") |
| 337 | final LongSparseArray<ProcessRecord> mPendingStarts = new LongSparseArray<>(); |
| 338 | |
| 339 | /** |
| 340 | * List of running applications, sorted by recent usage. |
| 341 | * The first entry in the list is the least recently used. |
| 342 | */ |
| 343 | final ArrayList<ProcessRecord> mLruProcesses = new ArrayList<ProcessRecord>(); |
| 344 | |
| 345 | /** |
| 346 | * Where in mLruProcesses that the processes hosting activities start. |
| 347 | */ |
| 348 | int mLruProcessActivityStart = 0; |
| 349 | |
| 350 | /** |
| 351 | * Where in mLruProcesses that the processes hosting services start. |
| 352 | * This is after (lower index) than mLruProcessesActivityStart. |
| 353 | */ |
| 354 | int mLruProcessServiceStart = 0; |
| 355 | |
| 356 | /** |
| 357 | * Current sequence id for process LRU updating. |
| 358 | */ |
| 359 | int mLruSeq = 0; |
| 360 | |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 361 | ActiveUids mActiveUids; |
| 362 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 363 | /** |
| 364 | * The currently running isolated processes. |
| 365 | */ |
| 366 | final SparseArray<ProcessRecord> mIsolatedProcesses = new SparseArray<>(); |
| 367 | |
| 368 | /** |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 369 | * The currently running application zygotes. |
| 370 | */ |
| 371 | final ProcessMap<AppZygote> mAppZygotes = new ProcessMap<AppZygote>(); |
| 372 | |
| 373 | /** |
| 374 | * The processes that are forked off an application zygote. |
| 375 | */ |
| 376 | final ArrayMap<AppZygote, ArrayList<ProcessRecord>> mAppZygoteProcesses = |
| 377 | new ArrayMap<AppZygote, ArrayList<ProcessRecord>>(); |
| 378 | |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 379 | final class IsolatedUidRange { |
| 380 | @VisibleForTesting |
| 381 | public final int mFirstUid; |
| 382 | @VisibleForTesting |
| 383 | public final int mLastUid; |
| 384 | |
| 385 | @GuardedBy("ProcessList.this.mService") |
| 386 | private final SparseBooleanArray mUidUsed = new SparseBooleanArray(); |
| 387 | |
| 388 | @GuardedBy("ProcessList.this.mService") |
| 389 | private int mNextUid; |
| 390 | |
| 391 | IsolatedUidRange(int firstUid, int lastUid) { |
| 392 | mFirstUid = firstUid; |
| 393 | mLastUid = lastUid; |
| 394 | mNextUid = firstUid; |
| 395 | } |
| 396 | |
| 397 | @GuardedBy("ProcessList.this.mService") |
| 398 | int allocateIsolatedUidLocked(int userId) { |
| 399 | int uid; |
| 400 | int stepsLeft = (mLastUid - mFirstUid + 1); |
| 401 | for (int i = 0; i < stepsLeft; ++i) { |
| 402 | if (mNextUid < mFirstUid || mNextUid > mLastUid) { |
| 403 | mNextUid = mFirstUid; |
| 404 | } |
| 405 | uid = UserHandle.getUid(userId, mNextUid); |
| 406 | mNextUid++; |
| 407 | if (!mUidUsed.get(uid, false)) { |
| 408 | mUidUsed.put(uid, true); |
| 409 | return uid; |
| 410 | } |
| 411 | } |
| 412 | return -1; |
| 413 | } |
| 414 | |
| 415 | @GuardedBy("ProcessList.this.mService") |
| 416 | void freeIsolatedUidLocked(int uid) { |
| 417 | // Strip out userId |
| 418 | final int appId = UserHandle.getAppId(uid); |
| 419 | mUidUsed.delete(appId); |
| 420 | } |
| 421 | }; |
| 422 | |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 423 | /** |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 424 | * A class that allocates ranges of isolated UIDs per application, and keeps track of them. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 425 | */ |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 426 | final class IsolatedUidRangeAllocator { |
| 427 | private final int mFirstUid; |
| 428 | private final int mNumUidRanges; |
| 429 | private final int mNumUidsPerRange; |
| 430 | /** |
| 431 | * We map the uid range [mFirstUid, mFirstUid + mNumUidRanges * mNumUidsPerRange) |
| 432 | * back to an underlying bitset of [0, mNumUidRanges) and allocate out of that. |
| 433 | */ |
| 434 | @GuardedBy("ProcessList.this.mService") |
| 435 | private final BitSet mAvailableUidRanges; |
| 436 | @GuardedBy("ProcessList.this.mService") |
| 437 | private final ProcessMap<IsolatedUidRange> mAppRanges = new ProcessMap<IsolatedUidRange>(); |
| 438 | |
| 439 | IsolatedUidRangeAllocator(int firstUid, int lastUid, int numUidsPerRange) { |
| 440 | mFirstUid = firstUid; |
| 441 | mNumUidsPerRange = numUidsPerRange; |
| 442 | mNumUidRanges = (lastUid - firstUid + 1) / numUidsPerRange; |
| 443 | mAvailableUidRanges = new BitSet(mNumUidRanges); |
| 444 | // Mark all as available |
| 445 | mAvailableUidRanges.set(0, mNumUidRanges); |
| 446 | } |
| 447 | |
| 448 | @GuardedBy("ProcessList.this.mService") |
| 449 | IsolatedUidRange getIsolatedUidRangeLocked(ApplicationInfo info) { |
| 450 | return mAppRanges.get(info.processName, info.uid); |
| 451 | } |
| 452 | |
| 453 | @GuardedBy("ProcessList.this.mService") |
| 454 | IsolatedUidRange getOrCreateIsolatedUidRangeLocked(ApplicationInfo info) { |
| 455 | IsolatedUidRange range = getIsolatedUidRangeLocked(info); |
| 456 | if (range == null) { |
| 457 | int uidRangeIndex = mAvailableUidRanges.nextSetBit(0); |
| 458 | if (uidRangeIndex < 0) { |
| 459 | // No free range |
| 460 | return null; |
| 461 | } |
| 462 | mAvailableUidRanges.clear(uidRangeIndex); |
| 463 | int actualUid = mFirstUid + uidRangeIndex * mNumUidsPerRange; |
| 464 | range = new IsolatedUidRange(actualUid, actualUid + mNumUidsPerRange - 1); |
| 465 | mAppRanges.put(info.processName, info.uid, range); |
| 466 | } |
| 467 | return range; |
| 468 | } |
| 469 | |
| 470 | @GuardedBy("ProcessList.this.mService") |
| 471 | void freeUidRangeLocked(ApplicationInfo info) { |
| 472 | // Find the UID range |
| 473 | IsolatedUidRange range = mAppRanges.get(info.processName, info.uid); |
| 474 | if (range != null) { |
| 475 | // Map back to starting uid |
| 476 | final int uidRangeIndex = (range.mFirstUid - mFirstUid) / mNumUidsPerRange; |
| 477 | // Mark it as available in the underlying bitset |
| 478 | mAvailableUidRanges.set(uidRangeIndex); |
| 479 | // And the map |
| 480 | mAppRanges.remove(info.processName, info.uid); |
| 481 | } |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | /** |
| 486 | * The available isolated UIDs for processes that are not spawned from an application zygote. |
| 487 | */ |
| 488 | @VisibleForTesting |
| 489 | IsolatedUidRange mGlobalIsolatedUids = new IsolatedUidRange(Process.FIRST_ISOLATED_UID, |
| 490 | Process.LAST_ISOLATED_UID); |
| 491 | |
| 492 | /** |
| 493 | * An allocator for isolated UID ranges for apps that use an application zygote. |
| 494 | */ |
| 495 | @VisibleForTesting |
| 496 | IsolatedUidRangeAllocator mAppIsolatedUidRangeAllocator = |
| 497 | new IsolatedUidRangeAllocator(Process.FIRST_APP_ZYGOTE_ISOLATED_UID, |
| 498 | Process.LAST_APP_ZYGOTE_ISOLATED_UID, Process.NUM_UIDS_PER_APP_ZYGOTE); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 499 | |
| 500 | /** |
| 501 | * Processes that are being forcibly torn down. |
| 502 | */ |
| 503 | final ArrayList<ProcessRecord> mRemovedProcesses = new ArrayList<ProcessRecord>(); |
| 504 | |
| 505 | /** |
| 506 | * All of the applications we currently have running organized by name. |
| 507 | * The keys are strings of the application package name (as |
| 508 | * returned by the package manager), and the keys are ApplicationRecord |
| 509 | * objects. |
| 510 | */ |
| 511 | final MyProcessMap mProcessNames = new MyProcessMap(); |
| 512 | |
| 513 | final class MyProcessMap extends ProcessMap<ProcessRecord> { |
| 514 | @Override |
| 515 | public ProcessRecord put(String name, int uid, ProcessRecord value) { |
| 516 | final ProcessRecord r = super.put(name, uid, value); |
| 517 | mService.mAtmInternal.onProcessAdded(r.getWindowProcessController()); |
| 518 | return r; |
| 519 | } |
| 520 | |
| 521 | @Override |
| 522 | public ProcessRecord remove(String name, int uid) { |
| 523 | final ProcessRecord r = super.remove(name, uid); |
| 524 | mService.mAtmInternal.onProcessRemoved(name, uid); |
| 525 | return r; |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | final class KillHandler extends Handler { |
| 530 | static final int KILL_PROCESS_GROUP_MSG = 4000; |
| 531 | |
| 532 | public KillHandler(Looper looper) { |
| 533 | super(looper, null, true); |
| 534 | } |
| 535 | |
| 536 | @Override |
| 537 | public void handleMessage(Message msg) { |
| 538 | switch (msg.what) { |
| 539 | case KILL_PROCESS_GROUP_MSG: |
| 540 | Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "killProcessGroup"); |
| 541 | Process.killProcessGroup(msg.arg1 /* uid */, msg.arg2 /* pid */); |
| 542 | Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); |
| 543 | break; |
| 544 | |
| 545 | default: |
| 546 | super.handleMessage(msg); |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | //////////////////// END FIELDS //////////////////// |
| 552 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 553 | ProcessList() { |
| 554 | MemInfoReader minfo = new MemInfoReader(); |
| 555 | minfo.readMemInfo(); |
| 556 | mTotalMemMb = minfo.getTotalSize()/(1024*1024); |
| 557 | updateOomLevels(0, 0, false); |
| 558 | } |
| 559 | |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 560 | void init(ActivityManagerService service, ActiveUids activeUids) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 561 | mService = service; |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 562 | mActiveUids = activeUids; |
| 563 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 564 | if (sKillHandler == null) { |
| 565 | sKillThread = new ServiceThread(TAG + ":kill", |
| 566 | THREAD_PRIORITY_BACKGROUND, true /* allowIo */); |
| 567 | sKillThread.start(); |
| 568 | sKillHandler = new KillHandler(sKillThread.getLooper()); |
| 569 | } |
| 570 | } |
| 571 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 572 | void applyDisplaySize(WindowManagerService wm) { |
| 573 | if (!mHaveDisplaySize) { |
| 574 | Point p = new Point(); |
Andrii Kulian | 1e32e02 | 2016-09-16 15:29:34 -0700 | [diff] [blame] | 575 | // TODO(multi-display): Compute based on sum of all connected displays' resolutions. |
Colin Cross | 637dbfc | 2013-07-18 17:15:15 -0700 | [diff] [blame] | 576 | wm.getBaseDisplaySize(Display.DEFAULT_DISPLAY, p); |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 577 | if (p.x != 0 && p.y != 0) { |
| 578 | updateOomLevels(p.x, p.y, true); |
| 579 | mHaveDisplaySize = true; |
| 580 | } |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | private void updateOomLevels(int displayWidth, int displayHeight, boolean write) { |
| 585 | // Scale buckets from avail memory: at 300MB we use the lowest values to |
| 586 | // 700MB or more for the top values. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 587 | float scaleMem = ((float) (mTotalMemMb - 350)) / (700 - 350); |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 588 | |
| 589 | // Scale buckets from screen size. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 590 | int minSize = 480 * 800; // 384000 |
| 591 | int maxSize = 1280 * 800; // 1024000 230400 870400 .264 |
| 592 | float scaleDisp = ((float)(displayWidth * displayHeight) - minSize) / (maxSize - minSize); |
Dianne Hackborn | 635a6d5 | 2013-07-29 17:15:38 -0700 | [diff] [blame] | 593 | if (false) { |
| 594 | Slog.i("XXXXXX", "scaleMem=" + scaleMem); |
| 595 | Slog.i("XXXXXX", "scaleDisp=" + scaleDisp + " dw=" + displayWidth |
| 596 | + " dh=" + displayHeight); |
| 597 | } |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 598 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 599 | float scale = scaleMem > scaleDisp ? scaleMem : scaleDisp; |
| 600 | if (scale < 0) scale = 0; |
| 601 | else if (scale > 1) scale = 1; |
Dianne Hackborn | 635a6d5 | 2013-07-29 17:15:38 -0700 | [diff] [blame] | 602 | int minfree_adj = Resources.getSystem().getInteger( |
| 603 | com.android.internal.R.integer.config_lowMemoryKillerMinFreeKbytesAdjust); |
| 604 | int minfree_abs = Resources.getSystem().getInteger( |
| 605 | com.android.internal.R.integer.config_lowMemoryKillerMinFreeKbytesAbsolute); |
| 606 | if (false) { |
| 607 | Slog.i("XXXXXX", "minfree_adj=" + minfree_adj + " minfree_abs=" + minfree_abs); |
| 608 | } |
Colin Cross | fcdad6f | 2013-07-25 15:04:40 -0700 | [diff] [blame] | 609 | |
Dianne Hackborn | c478cf5 | 2015-01-05 16:05:05 -0800 | [diff] [blame] | 610 | final boolean is64bit = Build.SUPPORTED_64_BIT_ABIS.length > 0; |
Dianne Hackborn | 9d52f79 | 2014-09-11 17:46:06 -0700 | [diff] [blame] | 611 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 612 | for (int i = 0; i < mOomAdj.length; i++) { |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 613 | int low = mOomMinFreeLow[i]; |
| 614 | int high = mOomMinFreeHigh[i]; |
Dianne Hackborn | c478cf5 | 2015-01-05 16:05:05 -0800 | [diff] [blame] | 615 | if (is64bit) { |
| 616 | // Increase the high min-free levels for cached processes for 64-bit |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 617 | if (i == 4) high = (high * 3) / 2; |
| 618 | else if (i == 5) high = (high * 7) / 4; |
Dianne Hackborn | c478cf5 | 2015-01-05 16:05:05 -0800 | [diff] [blame] | 619 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 620 | mOomMinFree[i] = (int)(low + ((high - low) * scale)); |
Colin Cross | fcdad6f | 2013-07-25 15:04:40 -0700 | [diff] [blame] | 621 | } |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 622 | |
Colin Cross | fcdad6f | 2013-07-25 15:04:40 -0700 | [diff] [blame] | 623 | if (minfree_abs >= 0) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 624 | for (int i = 0; i < mOomAdj.length; i++) { |
Dianne Hackborn | 9d52f79 | 2014-09-11 17:46:06 -0700 | [diff] [blame] | 625 | mOomMinFree[i] = (int)((float)minfree_abs * mOomMinFree[i] |
| 626 | / mOomMinFree[mOomAdj.length - 1]); |
Colin Cross | fcdad6f | 2013-07-25 15:04:40 -0700 | [diff] [blame] | 627 | } |
| 628 | } |
| 629 | |
| 630 | if (minfree_adj != 0) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 631 | for (int i = 0; i < mOomAdj.length; i++) { |
| 632 | mOomMinFree[i] += (int)((float) minfree_adj * mOomMinFree[i] |
Dianne Hackborn | 9d52f79 | 2014-09-11 17:46:06 -0700 | [diff] [blame] | 633 | / mOomMinFree[mOomAdj.length - 1]); |
Colin Cross | fcdad6f | 2013-07-25 15:04:40 -0700 | [diff] [blame] | 634 | if (mOomMinFree[i] < 0) { |
| 635 | mOomMinFree[i] = 0; |
| 636 | } |
| 637 | } |
| 638 | } |
| 639 | |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 640 | // The maximum size we will restore a process from cached to background, when under |
| 641 | // memory duress, is 1/3 the size we have reserved for kernel caches and other overhead |
| 642 | // before killing background processes. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 643 | mCachedRestoreLevel = (getMemLevel(ProcessList.CACHED_APP_MAX_ADJ) / 1024) / 3; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 644 | |
Colin Cross | 59d80a5 | 2013-07-25 10:45:05 -0700 | [diff] [blame] | 645 | // Ask the kernel to try to keep enough memory free to allocate 3 full |
| 646 | // screen 32bpp buffers without entering direct reclaim. |
| 647 | int reserve = displayWidth * displayHeight * 4 * 3 / 1024; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 648 | int reserve_adj = Resources.getSystem().getInteger( |
| 649 | com.android.internal.R.integer.config_extraFreeKbytesAdjust); |
| 650 | int reserve_abs = Resources.getSystem().getInteger( |
| 651 | com.android.internal.R.integer.config_extraFreeKbytesAbsolute); |
Colin Cross | 59d80a5 | 2013-07-25 10:45:05 -0700 | [diff] [blame] | 652 | |
| 653 | if (reserve_abs >= 0) { |
| 654 | reserve = reserve_abs; |
| 655 | } |
| 656 | |
| 657 | if (reserve_adj != 0) { |
| 658 | reserve += reserve_adj; |
| 659 | if (reserve < 0) { |
| 660 | reserve = 0; |
| 661 | } |
| 662 | } |
| 663 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 664 | if (write) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 665 | ByteBuffer buf = ByteBuffer.allocate(4 * (2 * mOomAdj.length + 1)); |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 666 | buf.putInt(LMK_TARGET); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 667 | for (int i = 0; i < mOomAdj.length; i++) { |
| 668 | buf.putInt((mOomMinFree[i] * 1024)/PAGE_SIZE); |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 669 | buf.putInt(mOomAdj[i]); |
| 670 | } |
| 671 | |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 672 | writeLmkd(buf, null); |
Colin Cross | 59d80a5 | 2013-07-25 10:45:05 -0700 | [diff] [blame] | 673 | SystemProperties.set("sys.sysctl.extra_free_kbytes", Integer.toString(reserve)); |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 674 | } |
| 675 | // GB: 2048,3072,4096,6144,7168,8192 |
| 676 | // HC: 8192,10240,12288,14336,16384,20480 |
| 677 | } |
| 678 | |
Dianne Hackborn | 2286cdc | 2013-07-01 19:10:06 -0700 | [diff] [blame] | 679 | public static int computeEmptyProcessLimit(int totalProcessLimit) { |
Dianne Hackborn | 465fa39 | 2014-09-14 14:21:18 -0700 | [diff] [blame] | 680 | return totalProcessLimit/2; |
Dianne Hackborn | 2286cdc | 2013-07-01 19:10:06 -0700 | [diff] [blame] | 681 | } |
| 682 | |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 683 | private static String buildOomTag(String prefix, String space, int val, int base) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 684 | final int diff = val - base; |
| 685 | if (diff == 0) { |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 686 | if (space == null) return prefix; |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 687 | return prefix + space; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 688 | } |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 689 | if (diff < 10) { |
| 690 | return prefix + "+ " + Integer.toString(diff); |
| 691 | } |
| 692 | return prefix + "+" + Integer.toString(diff); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 693 | } |
| 694 | |
| 695 | public static String makeOomAdjString(int setAdj) { |
| 696 | if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 697 | return buildOomTag("cch", " ", setAdj, ProcessList.CACHED_APP_MIN_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 698 | } else if (setAdj >= ProcessList.SERVICE_B_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 699 | return buildOomTag("svcb ", null, setAdj, ProcessList.SERVICE_B_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 700 | } else if (setAdj >= ProcessList.PREVIOUS_APP_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 701 | return buildOomTag("prev ", null, setAdj, ProcessList.PREVIOUS_APP_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 702 | } else if (setAdj >= ProcessList.HOME_APP_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 703 | return buildOomTag("home ", null, setAdj, ProcessList.HOME_APP_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 704 | } else if (setAdj >= ProcessList.SERVICE_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 705 | return buildOomTag("svc ", null, setAdj, ProcessList.SERVICE_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 706 | } else if (setAdj >= ProcessList.HEAVY_WEIGHT_APP_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 707 | return buildOomTag("hvy ", null, setAdj, ProcessList.HEAVY_WEIGHT_APP_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 708 | } else if (setAdj >= ProcessList.BACKUP_APP_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 709 | return buildOomTag("bkup ", null, setAdj, ProcessList.BACKUP_APP_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 710 | } else if (setAdj >= ProcessList.PERCEPTIBLE_APP_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 711 | return buildOomTag("prcp ", null, setAdj, ProcessList.PERCEPTIBLE_APP_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 712 | } else if (setAdj >= ProcessList.VISIBLE_APP_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 713 | return buildOomTag("vis", " ", setAdj, ProcessList.VISIBLE_APP_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 714 | } else if (setAdj >= ProcessList.FOREGROUND_APP_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 715 | return buildOomTag("fore ", null, setAdj, ProcessList.FOREGROUND_APP_ADJ); |
Dianne Hackborn | ce09f5a | 2014-10-10 15:03:13 -0700 | [diff] [blame] | 716 | } else if (setAdj >= ProcessList.PERSISTENT_SERVICE_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 717 | return buildOomTag("psvc ", null, setAdj, ProcessList.PERSISTENT_SERVICE_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 718 | } else if (setAdj >= ProcessList.PERSISTENT_PROC_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 719 | return buildOomTag("pers ", null, setAdj, ProcessList.PERSISTENT_PROC_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 720 | } else if (setAdj >= ProcessList.SYSTEM_ADJ) { |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 721 | return buildOomTag("sys ", null, setAdj, ProcessList.SYSTEM_ADJ); |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 722 | } else if (setAdj >= ProcessList.NATIVE_ADJ) { |
| 723 | return buildOomTag("ntv ", null, setAdj, ProcessList.NATIVE_ADJ); |
| 724 | } else { |
| 725 | return Integer.toString(setAdj); |
| 726 | } |
| 727 | } |
| 728 | |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 729 | public static String makeProcStateString(int curProcState) { |
| 730 | String procState; |
| 731 | switch (curProcState) { |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 732 | case ActivityManager.PROCESS_STATE_PERSISTENT: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 733 | procState = "PER "; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 734 | break; |
| 735 | case ActivityManager.PROCESS_STATE_PERSISTENT_UI: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 736 | procState = "PERU"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 737 | break; |
| 738 | case ActivityManager.PROCESS_STATE_TOP: |
Dianne Hackborn | f4dd371 | 2017-05-11 17:25:23 -0700 | [diff] [blame] | 739 | procState = "TOP "; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 740 | break; |
Dianne Hackborn | 4870e9d | 2015-04-08 16:55:47 -0700 | [diff] [blame] | 741 | case ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 742 | procState = "FGS "; |
Dianne Hackborn | 4870e9d | 2015-04-08 16:55:47 -0700 | [diff] [blame] | 743 | break; |
Dianne Hackborn | 10fc4fd | 2017-12-19 17:23:13 -0800 | [diff] [blame] | 744 | case ActivityManager.PROCESS_STATE_BOUND_FOREGROUND_SERVICE: |
| 745 | procState = "BFGS"; |
| 746 | break; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 747 | case ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 748 | procState = "IMPF"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 749 | break; |
| 750 | case ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 751 | procState = "IMPB"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 752 | break; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 753 | case ActivityManager.PROCESS_STATE_TRANSIENT_BACKGROUND: |
| 754 | procState = "TRNB"; |
| 755 | break; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 756 | case ActivityManager.PROCESS_STATE_BACKUP: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 757 | procState = "BKUP"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 758 | break; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 759 | case ActivityManager.PROCESS_STATE_SERVICE: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 760 | procState = "SVC "; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 761 | break; |
| 762 | case ActivityManager.PROCESS_STATE_RECEIVER: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 763 | procState = "RCVR"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 764 | break; |
Dianne Hackborn | bad8d91 | 2017-12-18 16:45:52 -0800 | [diff] [blame] | 765 | case ActivityManager.PROCESS_STATE_TOP_SLEEPING: |
| 766 | procState = "TPSL"; |
| 767 | break; |
Dianne Hackborn | f097d42 | 2017-12-15 16:32:19 -0800 | [diff] [blame] | 768 | case ActivityManager.PROCESS_STATE_HEAVY_WEIGHT: |
| 769 | procState = "HVY "; |
| 770 | break; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 771 | case ActivityManager.PROCESS_STATE_HOME: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 772 | procState = "HOME"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 773 | break; |
| 774 | case ActivityManager.PROCESS_STATE_LAST_ACTIVITY: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 775 | procState = "LAST"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 776 | break; |
| 777 | case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 778 | procState = "CAC "; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 779 | break; |
| 780 | case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 781 | procState = "CACC"; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 782 | break; |
Dianne Hackborn | 68a0633 | 2017-11-15 17:54:18 -0800 | [diff] [blame] | 783 | case ActivityManager.PROCESS_STATE_CACHED_RECENT: |
| 784 | procState = "CRE "; |
| 785 | break; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 786 | case ActivityManager.PROCESS_STATE_CACHED_EMPTY: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 787 | procState = "CEM "; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 788 | break; |
Dianne Hackborn | 5614bf5 | 2016-11-07 17:26:41 -0800 | [diff] [blame] | 789 | case ActivityManager.PROCESS_STATE_NONEXISTENT: |
Dianne Hackborn | 9484603 | 2017-03-31 17:55:23 -0700 | [diff] [blame] | 790 | procState = "NONE"; |
Dianne Hackborn | 5614bf5 | 2016-11-07 17:26:41 -0800 | [diff] [blame] | 791 | break; |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 792 | default: |
| 793 | procState = "??"; |
| 794 | break; |
| 795 | } |
| 796 | return procState; |
| 797 | } |
| 798 | |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 799 | public static int makeProcStateProtoEnum(int curProcState) { |
| 800 | switch (curProcState) { |
| 801 | case ActivityManager.PROCESS_STATE_PERSISTENT: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 802 | return AppProtoEnums.PROCESS_STATE_PERSISTENT; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 803 | case ActivityManager.PROCESS_STATE_PERSISTENT_UI: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 804 | return AppProtoEnums.PROCESS_STATE_PERSISTENT_UI; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 805 | case ActivityManager.PROCESS_STATE_TOP: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 806 | return AppProtoEnums.PROCESS_STATE_TOP; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 807 | case ActivityManager.PROCESS_STATE_BOUND_FOREGROUND_SERVICE: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 808 | return AppProtoEnums.PROCESS_STATE_BOUND_FOREGROUND_SERVICE; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 809 | case ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 810 | return AppProtoEnums.PROCESS_STATE_FOREGROUND_SERVICE; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 811 | case ActivityManager.PROCESS_STATE_TOP_SLEEPING: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 812 | return AppProtoEnums.PROCESS_STATE_TOP_SLEEPING; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 813 | case ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 814 | return AppProtoEnums.PROCESS_STATE_IMPORTANT_FOREGROUND; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 815 | case ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 816 | return AppProtoEnums.PROCESS_STATE_IMPORTANT_BACKGROUND; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 817 | case ActivityManager.PROCESS_STATE_TRANSIENT_BACKGROUND: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 818 | return AppProtoEnums.PROCESS_STATE_TRANSIENT_BACKGROUND; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 819 | case ActivityManager.PROCESS_STATE_BACKUP: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 820 | return AppProtoEnums.PROCESS_STATE_BACKUP; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 821 | case ActivityManager.PROCESS_STATE_HEAVY_WEIGHT: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 822 | return AppProtoEnums.PROCESS_STATE_HEAVY_WEIGHT; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 823 | case ActivityManager.PROCESS_STATE_SERVICE: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 824 | return AppProtoEnums.PROCESS_STATE_SERVICE; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 825 | case ActivityManager.PROCESS_STATE_RECEIVER: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 826 | return AppProtoEnums.PROCESS_STATE_RECEIVER; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 827 | case ActivityManager.PROCESS_STATE_HOME: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 828 | return AppProtoEnums.PROCESS_STATE_HOME; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 829 | case ActivityManager.PROCESS_STATE_LAST_ACTIVITY: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 830 | return AppProtoEnums.PROCESS_STATE_LAST_ACTIVITY; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 831 | case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 832 | return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 833 | case ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 834 | return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY_CLIENT; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 835 | case ActivityManager.PROCESS_STATE_CACHED_RECENT: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 836 | return AppProtoEnums.PROCESS_STATE_CACHED_RECENT; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 837 | case ActivityManager.PROCESS_STATE_CACHED_EMPTY: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 838 | return AppProtoEnums.PROCESS_STATE_CACHED_EMPTY; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 839 | case ActivityManager.PROCESS_STATE_NONEXISTENT: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 840 | return AppProtoEnums.PROCESS_STATE_NONEXISTENT; |
| 841 | case ActivityManager.PROCESS_STATE_UNKNOWN: |
| 842 | return AppProtoEnums.PROCESS_STATE_UNKNOWN; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 843 | default: |
Bookatz | db026a2 | 2018-01-10 19:01:56 -0800 | [diff] [blame] | 844 | return AppProtoEnums.PROCESS_STATE_UNKNOWN_TO_PROTO; |
Yi Jin | 148d7f4 | 2017-11-28 14:23:56 -0800 | [diff] [blame] | 845 | } |
| 846 | } |
| 847 | |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 848 | public static void appendRamKb(StringBuilder sb, long ramKb) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 849 | for (int j = 0, fact = 10; j < 6; j++, fact *= 10) { |
Dianne Hackborn | 8e69257 | 2013-09-10 19:06:15 -0700 | [diff] [blame] | 850 | if (ramKb < fact) { |
| 851 | sb.append(' '); |
| 852 | } |
| 853 | } |
| 854 | sb.append(ramKb); |
| 855 | } |
| 856 | |
Dianne Hackborn | ae6cc8a | 2014-12-10 10:33:27 -0800 | [diff] [blame] | 857 | // How long after a state change that it is safe to collect PSS without it being dirty. |
| 858 | public static final int PSS_SAFE_TIME_FROM_STATE_CHANGE = 1000; |
| 859 | |
| 860 | // The minimum time interval after a state change it is safe to collect PSS. |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 861 | public static final int PSS_MIN_TIME_FROM_STATE_CHANGE = 15*1000; |
| 862 | |
| 863 | // The maximum amount of time we want to go between PSS collections. |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 864 | public static final int PSS_MAX_INTERVAL = 60*60*1000; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 865 | |
| 866 | // The minimum amount of time between successive PSS requests for *all* processes. |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 867 | public static final int PSS_ALL_INTERVAL = 20*60*1000; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 868 | |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 869 | // The amount of time until PSS when a persistent process first appears. |
| 870 | private static final int PSS_FIRST_PERSISTENT_INTERVAL = 30*1000; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 871 | |
| 872 | // The amount of time until PSS when a process first becomes top. |
| 873 | private static final int PSS_FIRST_TOP_INTERVAL = 10*1000; |
| 874 | |
| 875 | // The amount of time until PSS when a process first goes into the background. |
| 876 | private static final int PSS_FIRST_BACKGROUND_INTERVAL = 20*1000; |
| 877 | |
| 878 | // The amount of time until PSS when a process first becomes cached. |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 879 | private static final int PSS_FIRST_CACHED_INTERVAL = 20*1000; |
| 880 | |
| 881 | // The amount of time until PSS when an important process stays in the same state. |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 882 | private static final int PSS_SAME_PERSISTENT_INTERVAL = 10*60*1000; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 883 | |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 884 | // The amount of time until PSS when the top process stays in the same state. |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 885 | private static final int PSS_SAME_TOP_INTERVAL = 1*60*1000; |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 886 | |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 887 | // The amount of time until PSS when an important process stays in the same state. |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 888 | private static final int PSS_SAME_IMPORTANT_INTERVAL = 10*60*1000; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 889 | |
| 890 | // The amount of time until PSS when a service process stays in the same state. |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 891 | private static final int PSS_SAME_SERVICE_INTERVAL = 5*60*1000; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 892 | |
| 893 | // The amount of time until PSS when a cached process stays in the same state. |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 894 | private static final int PSS_SAME_CACHED_INTERVAL = 10*60*1000; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 895 | |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 896 | // The amount of time until PSS when a persistent process first appears. |
| 897 | private static final int PSS_FIRST_ASLEEP_PERSISTENT_INTERVAL = 1*60*1000; |
| 898 | |
| 899 | // The amount of time until PSS when a process first becomes top. |
| 900 | private static final int PSS_FIRST_ASLEEP_TOP_INTERVAL = 20*1000; |
| 901 | |
| 902 | // The amount of time until PSS when a process first goes into the background. |
| 903 | private static final int PSS_FIRST_ASLEEP_BACKGROUND_INTERVAL = 30*1000; |
| 904 | |
| 905 | // The amount of time until PSS when a process first becomes cached. |
| 906 | private static final int PSS_FIRST_ASLEEP_CACHED_INTERVAL = 1*60*1000; |
| 907 | |
Dianne Hackborn | ae6cc8a | 2014-12-10 10:33:27 -0800 | [diff] [blame] | 908 | // The minimum time interval after a state change it is safe to collect PSS. |
| 909 | public static final int PSS_TEST_MIN_TIME_FROM_STATE_CHANGE = 10*1000; |
| 910 | |
Dianne Hackborn | 1a4b5a4 | 2014-12-08 17:43:31 -0800 | [diff] [blame] | 911 | // The amount of time during testing until PSS when a process first becomes top. |
| 912 | private static final int PSS_TEST_FIRST_TOP_INTERVAL = 3*1000; |
| 913 | |
| 914 | // The amount of time during testing until PSS when a process first goes into the background. |
| 915 | private static final int PSS_TEST_FIRST_BACKGROUND_INTERVAL = 5*1000; |
| 916 | |
| 917 | // The amount of time during testing until PSS when an important process stays in same state. |
| 918 | private static final int PSS_TEST_SAME_IMPORTANT_INTERVAL = 10*1000; |
| 919 | |
| 920 | // The amount of time during testing until PSS when a background process stays in same state. |
| 921 | private static final int PSS_TEST_SAME_BACKGROUND_INTERVAL = 15*1000; |
| 922 | |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 923 | public static final int PROC_MEM_PERSISTENT = 0; |
| 924 | public static final int PROC_MEM_TOP = 1; |
| 925 | public static final int PROC_MEM_IMPORTANT = 2; |
| 926 | public static final int PROC_MEM_SERVICE = 3; |
| 927 | public static final int PROC_MEM_CACHED = 4; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 928 | public static final int PROC_MEM_NUM = 5; |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 929 | |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 930 | // Map large set of system process states to |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 931 | private static final int[] sProcStateToProcMem = new int[] { |
| 932 | PROC_MEM_PERSISTENT, // ActivityManager.PROCESS_STATE_PERSISTENT |
| 933 | PROC_MEM_PERSISTENT, // ActivityManager.PROCESS_STATE_PERSISTENT_UI |
| 934 | PROC_MEM_TOP, // ActivityManager.PROCESS_STATE_TOP |
Dianne Hackborn | 4870e9d | 2015-04-08 16:55:47 -0700 | [diff] [blame] | 935 | PROC_MEM_IMPORTANT, // ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE |
Dianne Hackborn | 10fc4fd | 2017-12-19 17:23:13 -0800 | [diff] [blame] | 936 | PROC_MEM_IMPORTANT, // ActivityManager.PROCESS_STATE_BOUND_FOREGROUND_SERVICE |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 937 | PROC_MEM_IMPORTANT, // ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND |
| 938 | PROC_MEM_IMPORTANT, // ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 939 | PROC_MEM_IMPORTANT, // ActivityManager.PROCESS_STATE_TRANSIENT_BACKGROUND |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 940 | PROC_MEM_IMPORTANT, // ActivityManager.PROCESS_STATE_BACKUP |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 941 | PROC_MEM_SERVICE, // ActivityManager.PROCESS_STATE_SERVICE |
| 942 | PROC_MEM_CACHED, // ActivityManager.PROCESS_STATE_RECEIVER |
Dianne Hackborn | bad8d91 | 2017-12-18 16:45:52 -0800 | [diff] [blame] | 943 | PROC_MEM_TOP, // ActivityManager.PROCESS_STATE_TOP_SLEEPING |
Dianne Hackborn | f097d42 | 2017-12-15 16:32:19 -0800 | [diff] [blame] | 944 | PROC_MEM_IMPORTANT, // ActivityManager.PROCESS_STATE_HEAVY_WEIGHT |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 945 | PROC_MEM_CACHED, // ActivityManager.PROCESS_STATE_HOME |
| 946 | PROC_MEM_CACHED, // ActivityManager.PROCESS_STATE_LAST_ACTIVITY |
| 947 | PROC_MEM_CACHED, // ActivityManager.PROCESS_STATE_CACHED_ACTIVITY |
| 948 | PROC_MEM_CACHED, // ActivityManager.PROCESS_STATE_CACHED_ACTIVITY_CLIENT |
Dianne Hackborn | 68a0633 | 2017-11-15 17:54:18 -0800 | [diff] [blame] | 949 | PROC_MEM_CACHED, // ActivityManager.PROCESS_STATE_CACHED_RECENT |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 950 | PROC_MEM_CACHED, // ActivityManager.PROCESS_STATE_CACHED_EMPTY |
| 951 | }; |
| 952 | |
| 953 | private static final long[] sFirstAwakePssTimes = new long[] { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 954 | PSS_FIRST_PERSISTENT_INTERVAL, // PROC_MEM_PERSISTENT |
| 955 | PSS_FIRST_TOP_INTERVAL, // PROC_MEM_TOP |
| 956 | PSS_FIRST_BACKGROUND_INTERVAL, // PROC_MEM_IMPORTANT |
| 957 | PSS_FIRST_BACKGROUND_INTERVAL, // PROC_MEM_SERVICE |
| 958 | PSS_FIRST_CACHED_INTERVAL, // PROC_MEM_CACHED |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 959 | }; |
| 960 | |
| 961 | private static final long[] sSameAwakePssTimes = new long[] { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 962 | PSS_SAME_PERSISTENT_INTERVAL, // PROC_MEM_PERSISTENT |
| 963 | PSS_SAME_TOP_INTERVAL, // PROC_MEM_TOP |
| 964 | PSS_SAME_IMPORTANT_INTERVAL, // PROC_MEM_IMPORTANT |
| 965 | PSS_SAME_SERVICE_INTERVAL, // PROC_MEM_SERVICE |
| 966 | PSS_SAME_CACHED_INTERVAL, // PROC_MEM_CACHED |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 967 | }; |
| 968 | |
| 969 | private static final long[] sFirstAsleepPssTimes = new long[] { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 970 | PSS_FIRST_ASLEEP_PERSISTENT_INTERVAL, // PROC_MEM_PERSISTENT |
| 971 | PSS_FIRST_ASLEEP_TOP_INTERVAL, // PROC_MEM_TOP |
| 972 | PSS_FIRST_ASLEEP_BACKGROUND_INTERVAL, // PROC_MEM_IMPORTANT |
| 973 | PSS_FIRST_ASLEEP_BACKGROUND_INTERVAL, // PROC_MEM_SERVICE |
| 974 | PSS_FIRST_ASLEEP_CACHED_INTERVAL, // PROC_MEM_CACHED |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 975 | }; |
| 976 | |
| 977 | private static final long[] sSameAsleepPssTimes = new long[] { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 978 | PSS_SAME_PERSISTENT_INTERVAL, // PROC_MEM_PERSISTENT |
| 979 | PSS_SAME_TOP_INTERVAL, // PROC_MEM_TOP |
| 980 | PSS_SAME_IMPORTANT_INTERVAL, // PROC_MEM_IMPORTANT |
| 981 | PSS_SAME_SERVICE_INTERVAL, // PROC_MEM_SERVICE |
| 982 | PSS_SAME_CACHED_INTERVAL, // PROC_MEM_CACHED |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 983 | }; |
| 984 | |
Dianne Hackborn | f097d42 | 2017-12-15 16:32:19 -0800 | [diff] [blame] | 985 | private static final long[] sTestFirstPssTimes = new long[] { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 986 | PSS_TEST_FIRST_TOP_INTERVAL, // PROC_MEM_PERSISTENT |
| 987 | PSS_TEST_FIRST_TOP_INTERVAL, // PROC_MEM_TOP |
| 988 | PSS_TEST_FIRST_BACKGROUND_INTERVAL, // PROC_MEM_IMPORTANT |
| 989 | PSS_TEST_FIRST_BACKGROUND_INTERVAL, // PROC_MEM_SERVICE |
| 990 | PSS_TEST_FIRST_BACKGROUND_INTERVAL, // PROC_MEM_CACHED |
Dianne Hackborn | 1a4b5a4 | 2014-12-08 17:43:31 -0800 | [diff] [blame] | 991 | }; |
| 992 | |
Dianne Hackborn | f097d42 | 2017-12-15 16:32:19 -0800 | [diff] [blame] | 993 | private static final long[] sTestSamePssTimes = new long[] { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 994 | PSS_TEST_SAME_BACKGROUND_INTERVAL, // PROC_MEM_PERSISTENT |
| 995 | PSS_TEST_SAME_IMPORTANT_INTERVAL, // PROC_MEM_TOP |
| 996 | PSS_TEST_SAME_IMPORTANT_INTERVAL, // PROC_MEM_IMPORTANT |
| 997 | PSS_TEST_SAME_BACKGROUND_INTERVAL, // PROC_MEM_SERVICE |
| 998 | PSS_TEST_SAME_BACKGROUND_INTERVAL, // PROC_MEM_CACHED |
Dianne Hackborn | 1a4b5a4 | 2014-12-08 17:43:31 -0800 | [diff] [blame] | 999 | }; |
| 1000 | |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1001 | public static final class ProcStateMemTracker { |
| 1002 | final int[] mHighestMem = new int[PROC_MEM_NUM]; |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1003 | final float[] mScalingFactor = new float[PROC_MEM_NUM]; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1004 | int mTotalHighestMem = PROC_MEM_CACHED; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1005 | |
| 1006 | int mPendingMemState; |
| 1007 | int mPendingHighestMemState; |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1008 | float mPendingScalingFactor; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1009 | |
| 1010 | public ProcStateMemTracker() { |
| 1011 | for (int i = PROC_MEM_PERSISTENT; i < PROC_MEM_NUM; i++) { |
| 1012 | mHighestMem[i] = PROC_MEM_NUM; |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1013 | mScalingFactor[i] = 1.0f; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1014 | } |
| 1015 | mPendingMemState = -1; |
| 1016 | } |
| 1017 | |
| 1018 | public void dumpLine(PrintWriter pw) { |
| 1019 | pw.print("best="); |
| 1020 | pw.print(mTotalHighestMem); |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1021 | pw.print(" ("); |
| 1022 | boolean needSep = false; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1023 | for (int i = 0; i < PROC_MEM_NUM; i++) { |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1024 | if (mHighestMem[i] < PROC_MEM_NUM) { |
| 1025 | if (needSep) { |
| 1026 | pw.print(", "); |
| 1027 | needSep = false; |
| 1028 | } |
| 1029 | pw.print(i); |
| 1030 | pw.print("="); |
| 1031 | pw.print(mHighestMem[i]); |
| 1032 | pw.print(" "); |
| 1033 | pw.print(mScalingFactor[i]); |
| 1034 | pw.print("x"); |
| 1035 | needSep = true; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1036 | } |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1037 | } |
| 1038 | pw.print(")"); |
| 1039 | if (mPendingMemState >= 0) { |
| 1040 | pw.print(" / pending state="); |
| 1041 | pw.print(mPendingMemState); |
| 1042 | pw.print(" highest="); |
| 1043 | pw.print(mPendingHighestMemState); |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1044 | pw.print(" "); |
| 1045 | pw.print(mPendingScalingFactor); |
| 1046 | pw.print("x"); |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1047 | } |
| 1048 | pw.println(); |
| 1049 | } |
| 1050 | } |
| 1051 | |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 1052 | public static boolean procStatesDifferForMem(int procState1, int procState2) { |
| 1053 | return sProcStateToProcMem[procState1] != sProcStateToProcMem[procState2]; |
| 1054 | } |
| 1055 | |
Dianne Hackborn | ae6cc8a | 2014-12-10 10:33:27 -0800 | [diff] [blame] | 1056 | public static long minTimeFromStateChange(boolean test) { |
| 1057 | return test ? PSS_TEST_MIN_TIME_FROM_STATE_CHANGE : PSS_MIN_TIME_FROM_STATE_CHANGE; |
| 1058 | } |
| 1059 | |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1060 | public static void commitNextPssTime(ProcStateMemTracker tracker) { |
| 1061 | if (tracker.mPendingMemState >= 0) { |
| 1062 | tracker.mHighestMem[tracker.mPendingMemState] = tracker.mPendingHighestMemState; |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1063 | tracker.mScalingFactor[tracker.mPendingMemState] = tracker.mPendingScalingFactor; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1064 | tracker.mTotalHighestMem = tracker.mPendingHighestMemState; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1065 | tracker.mPendingMemState = -1; |
| 1066 | } |
| 1067 | } |
| 1068 | |
| 1069 | public static void abortNextPssTime(ProcStateMemTracker tracker) { |
| 1070 | tracker.mPendingMemState = -1; |
| 1071 | } |
| 1072 | |
| 1073 | public static long computeNextPssTime(int procState, ProcStateMemTracker tracker, boolean test, |
Dianne Hackborn | 1a4b5a4 | 2014-12-08 17:43:31 -0800 | [diff] [blame] | 1074 | boolean sleeping, long now) { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1075 | boolean first; |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1076 | float scalingFactor; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1077 | final int memState = sProcStateToProcMem[procState]; |
| 1078 | if (tracker != null) { |
| 1079 | final int highestMemState = memState < tracker.mTotalHighestMem |
| 1080 | ? memState : tracker.mTotalHighestMem; |
| 1081 | first = highestMemState < tracker.mHighestMem[memState]; |
| 1082 | tracker.mPendingMemState = memState; |
| 1083 | tracker.mPendingHighestMemState = highestMemState; |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1084 | if (first) { |
| 1085 | tracker.mPendingScalingFactor = scalingFactor = 1.0f; |
| 1086 | } else { |
| 1087 | scalingFactor = tracker.mScalingFactor[memState]; |
| 1088 | tracker.mPendingScalingFactor = scalingFactor * 1.5f; |
| 1089 | } |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1090 | } else { |
| 1091 | first = true; |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1092 | scalingFactor = 1.0f; |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1093 | } |
Dianne Hackborn | 1a4b5a4 | 2014-12-08 17:43:31 -0800 | [diff] [blame] | 1094 | final long[] table = test |
Dianne Hackborn | f1cca18 | 2013-08-01 10:50:28 -0700 | [diff] [blame] | 1095 | ? (first |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1096 | ? sTestFirstPssTimes |
| 1097 | : sTestSamePssTimes) |
Dianne Hackborn | f1cca18 | 2013-08-01 10:50:28 -0700 | [diff] [blame] | 1098 | : (first |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1099 | ? (sleeping ? sFirstAsleepPssTimes : sFirstAwakePssTimes) |
| 1100 | : (sleeping ? sSameAsleepPssTimes : sSameAwakePssTimes)); |
Dianne Hackborn | ed0a322 | 2018-02-06 16:01:23 -0800 | [diff] [blame] | 1101 | long delay = (long)(table[memState] * scalingFactor); |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 1102 | if (delay > PSS_MAX_INTERVAL) { |
| 1103 | delay = PSS_MAX_INTERVAL; |
| 1104 | } |
| 1105 | return now + delay; |
Dianne Hackborn | f1cca18 | 2013-08-01 10:50:28 -0700 | [diff] [blame] | 1106 | } |
| 1107 | |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1108 | long getMemLevel(int adjustment) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1109 | for (int i = 0; i < mOomAdj.length; i++) { |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1110 | if (adjustment <= mOomAdj[i]) { |
| 1111 | return mOomMinFree[i] * 1024; |
| 1112 | } |
| 1113 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1114 | return mOomMinFree[mOomAdj.length - 1] * 1024; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1115 | } |
| 1116 | |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1117 | /** |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 1118 | * Return the maximum pss size in kb that we consider a process acceptable to |
| 1119 | * restore from its cached state for running in the background when RAM is low. |
| 1120 | */ |
Dianne Hackborn | cbd9a52 | 2013-09-24 23:10:14 -0700 | [diff] [blame] | 1121 | long getCachedRestoreThresholdKb() { |
Dianne Hackborn | 3bc8f78d | 2013-09-19 13:34:35 -0700 | [diff] [blame] | 1122 | return mCachedRestoreLevel; |
| 1123 | } |
| 1124 | |
Dianne Hackborn | 9bef5b6 | 2013-09-20 10:40:34 -0700 | [diff] [blame] | 1125 | /** |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1126 | * Set the out-of-memory badness adjustment for a process. |
Sudheer Shanka | f669010 | 2017-10-16 10:20:32 -0700 | [diff] [blame] | 1127 | * If {@code pid <= 0}, this method will be a no-op. |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1128 | * |
| 1129 | * @param pid The process identifier to set. |
Colin Cross | d908edd | 2014-06-13 14:56:04 -0700 | [diff] [blame] | 1130 | * @param uid The uid of the app |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1131 | * @param amt Adjustment value -- lmkd allows -16 to +15. |
| 1132 | * |
| 1133 | * {@hide} |
| 1134 | */ |
Colin Cross | d908edd | 2014-06-13 14:56:04 -0700 | [diff] [blame] | 1135 | public static final void setOomAdj(int pid, int uid, int amt) { |
Sudheer Shanka | f669010 | 2017-10-16 10:20:32 -0700 | [diff] [blame] | 1136 | // This indicates that the process is not started yet and so no need to proceed further. |
| 1137 | if (pid <= 0) { |
| 1138 | return; |
| 1139 | } |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1140 | if (amt == UNKNOWN_ADJ) |
| 1141 | return; |
| 1142 | |
Dianne Hackborn | ecf1cda | 2014-08-28 16:58:28 -0700 | [diff] [blame] | 1143 | long start = SystemClock.elapsedRealtime(); |
Colin Cross | d908edd | 2014-06-13 14:56:04 -0700 | [diff] [blame] | 1144 | ByteBuffer buf = ByteBuffer.allocate(4 * 4); |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1145 | buf.putInt(LMK_PROCPRIO); |
| 1146 | buf.putInt(pid); |
Colin Cross | d908edd | 2014-06-13 14:56:04 -0700 | [diff] [blame] | 1147 | buf.putInt(uid); |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1148 | buf.putInt(amt); |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1149 | writeLmkd(buf, null); |
Dianne Hackborn | ecf1cda | 2014-08-28 16:58:28 -0700 | [diff] [blame] | 1150 | long now = SystemClock.elapsedRealtime(); |
| 1151 | if ((now-start) > 250) { |
| 1152 | Slog.w("ActivityManager", "SLOW OOM ADJ: " + (now-start) + "ms for pid " + pid |
| 1153 | + " = " + amt); |
| 1154 | } |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1155 | } |
| 1156 | |
| 1157 | /* |
| 1158 | * {@hide} |
| 1159 | */ |
| 1160 | public static final void remove(int pid) { |
Sudheer Shanka | f669010 | 2017-10-16 10:20:32 -0700 | [diff] [blame] | 1161 | // This indicates that the process is not started yet and so no need to proceed further. |
| 1162 | if (pid <= 0) { |
| 1163 | return; |
| 1164 | } |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1165 | ByteBuffer buf = ByteBuffer.allocate(4 * 2); |
| 1166 | buf.putInt(LMK_PROCREMOVE); |
| 1167 | buf.putInt(pid); |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1168 | writeLmkd(buf, null); |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1169 | } |
| 1170 | |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1171 | /* |
| 1172 | * {@hide} |
| 1173 | */ |
| 1174 | public static final Integer getLmkdKillCount(int min_oom_adj, int max_oom_adj) { |
| 1175 | ByteBuffer buf = ByteBuffer.allocate(4 * 3); |
| 1176 | ByteBuffer repl = ByteBuffer.allocate(4 * 2); |
| 1177 | buf.putInt(LMK_GETKILLCNT); |
| 1178 | buf.putInt(min_oom_adj); |
| 1179 | buf.putInt(max_oom_adj); |
| 1180 | if (writeLmkd(buf, repl)) { |
| 1181 | int i = repl.getInt(); |
| 1182 | if (i != LMK_GETKILLCNT) { |
| 1183 | Slog.e("ActivityManager", "Failed to get kill count, code mismatch"); |
| 1184 | return null; |
| 1185 | } |
| 1186 | return new Integer(repl.getInt()); |
| 1187 | } |
| 1188 | return null; |
| 1189 | } |
| 1190 | |
| 1191 | @GuardedBy("sLmkdSocketLock") |
| 1192 | private static boolean openLmkdSocketLS() { |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1193 | try { |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1194 | sLmkdSocket = new LocalSocket(LocalSocket.SOCKET_SEQPACKET); |
| 1195 | sLmkdSocket.connect( |
| 1196 | new LocalSocketAddress("lmkd", |
| 1197 | LocalSocketAddress.Namespace.RESERVED)); |
| 1198 | sLmkdOutputStream = sLmkdSocket.getOutputStream(); |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1199 | sLmkdInputStream = sLmkdSocket.getInputStream(); |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1200 | } catch (IOException ex) { |
Wale Ogunwale | e23149f | 2015-03-06 15:39:44 -0800 | [diff] [blame] | 1201 | Slog.w(TAG, "lowmemorykiller daemon socket open failed"); |
Todd Poynor | bfdd623 | 2013-07-10 19:15:07 -0700 | [diff] [blame] | 1202 | sLmkdSocket = null; |
| 1203 | return false; |
| 1204 | } |
| 1205 | |
| 1206 | return true; |
| 1207 | } |
| 1208 | |
Suren Baghdasaryan | 2b2011a | 2018-10-10 14:22:20 -0700 | [diff] [blame] | 1209 | // Never call directly, use writeLmkd() instead |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1210 | @GuardedBy("sLmkdSocketLock") |
| 1211 | private static boolean writeLmkdCommandLS(ByteBuffer buf) { |
Suren Baghdasaryan | 2b2011a | 2018-10-10 14:22:20 -0700 | [diff] [blame] | 1212 | try { |
| 1213 | sLmkdOutputStream.write(buf.array(), 0, buf.position()); |
| 1214 | } catch (IOException ex) { |
| 1215 | Slog.w(TAG, "Error writing to lowmemorykiller socket"); |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1216 | IoUtils.closeQuietly(sLmkdSocket); |
Suren Baghdasaryan | 2b2011a | 2018-10-10 14:22:20 -0700 | [diff] [blame] | 1217 | sLmkdSocket = null; |
| 1218 | return false; |
| 1219 | } |
| 1220 | return true; |
| 1221 | } |
| 1222 | |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1223 | // Never call directly, use writeLmkd() instead |
| 1224 | @GuardedBy("sLmkdSocketLock") |
| 1225 | private static boolean readLmkdReplyLS(ByteBuffer buf) { |
| 1226 | int len; |
| 1227 | try { |
| 1228 | len = sLmkdInputStream.read(buf.array(), 0, buf.array().length); |
| 1229 | if (len == buf.array().length) { |
| 1230 | return true; |
Suren Baghdasaryan | 2b2011a | 2018-10-10 14:22:20 -0700 | [diff] [blame] | 1231 | } |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1232 | } catch (IOException ex) { |
| 1233 | Slog.w(TAG, "Error reading from lowmemorykiller socket"); |
| 1234 | } |
| 1235 | |
| 1236 | IoUtils.closeQuietly(sLmkdSocket); |
| 1237 | sLmkdSocket = null; |
| 1238 | return false; |
| 1239 | } |
| 1240 | |
| 1241 | private static boolean writeLmkd(ByteBuffer buf, ByteBuffer repl) { |
| 1242 | synchronized (sLmkdSocketLock) { |
| 1243 | for (int i = 0; i < 3; i++) { |
| 1244 | if (sLmkdSocket == null) { |
| 1245 | if (openLmkdSocketLS() == false) { |
| 1246 | try { |
| 1247 | Thread.sleep(1000); |
| 1248 | } catch (InterruptedException ie) { |
| 1249 | } |
| 1250 | continue; |
| 1251 | } |
| 1252 | |
| 1253 | // Purge any previously registered pids |
| 1254 | ByteBuffer purge_buf = ByteBuffer.allocate(4); |
| 1255 | purge_buf.putInt(LMK_PROCPURGE); |
| 1256 | if (writeLmkdCommandLS(purge_buf) == false) { |
| 1257 | // Write failed, skip the rest and retry |
| 1258 | continue; |
| 1259 | } |
| 1260 | } |
| 1261 | if (writeLmkdCommandLS(buf) && (repl == null || readLmkdReplyLS(repl))) { |
| 1262 | return true; |
| 1263 | } |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1264 | } |
| 1265 | } |
Suren Baghdasaryan | 254752c | 2018-10-12 11:10:22 -0700 | [diff] [blame] | 1266 | return false; |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 1267 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1268 | |
| 1269 | static void killProcessGroup(int uid, int pid) { |
| 1270 | /* static; one-time init here */ |
| 1271 | if (sKillHandler != null) { |
| 1272 | sKillHandler.sendMessage( |
| 1273 | sKillHandler.obtainMessage(KillHandler.KILL_PROCESS_GROUP_MSG, uid, pid)); |
| 1274 | } else { |
| 1275 | Slog.w(TAG, "Asked to kill process group before system bringup!"); |
| 1276 | Process.killProcessGroup(uid, pid); |
| 1277 | } |
| 1278 | } |
| 1279 | |
| 1280 | final ProcessRecord getProcessRecordLocked(String processName, int uid, boolean |
| 1281 | keepIfLarge) { |
| 1282 | if (uid == SYSTEM_UID) { |
| 1283 | // The system gets to run in any process. If there are multiple |
| 1284 | // processes with the same uid, just pick the first (this |
| 1285 | // should never happen). |
| 1286 | SparseArray<ProcessRecord> procs = mProcessNames.getMap().get(processName); |
| 1287 | if (procs == null) return null; |
| 1288 | final int procCount = procs.size(); |
| 1289 | for (int i = 0; i < procCount; i++) { |
| 1290 | final int procUid = procs.keyAt(i); |
| 1291 | if (UserHandle.isApp(procUid) || !UserHandle.isSameUser(procUid, uid)) { |
| 1292 | // Don't use an app process or different user process for system component. |
| 1293 | continue; |
| 1294 | } |
| 1295 | return procs.valueAt(i); |
| 1296 | } |
| 1297 | } |
| 1298 | ProcessRecord proc = mProcessNames.get(processName, uid); |
| 1299 | if (false && proc != null && !keepIfLarge |
| 1300 | && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY |
| 1301 | && proc.lastCachedPss >= 4000) { |
| 1302 | // Turn this condition on to cause killing to happen regularly, for testing. |
| 1303 | if (proc.baseProcessTracker != null) { |
| 1304 | proc.baseProcessTracker.reportCachedKill(proc.pkgList.mPkgList, proc.lastCachedPss); |
| 1305 | for (int ipkg = proc.pkgList.size() - 1; ipkg >= 0; ipkg--) { |
| 1306 | ProcessStats.ProcessStateHolder holder = proc.pkgList.valueAt(ipkg); |
| 1307 | StatsLog.write(StatsLog.CACHED_KILL_REPORTED, |
| 1308 | proc.info.uid, |
| 1309 | holder.state.getName(), |
| 1310 | holder.state.getPackage(), |
| 1311 | proc.lastCachedPss, holder.appVersion); |
| 1312 | } |
| 1313 | } |
| 1314 | proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true); |
| 1315 | } else if (proc != null && !keepIfLarge |
| 1316 | && mService.mLastMemoryLevel > ProcessStats.ADJ_MEM_FACTOR_NORMAL |
| 1317 | && proc.setProcState >= ActivityManager.PROCESS_STATE_CACHED_EMPTY) { |
| 1318 | if (DEBUG_PSS) Slog.d(TAG_PSS, "May not keep " + proc + ": pss=" + proc |
| 1319 | .lastCachedPss); |
| 1320 | if (proc.lastCachedPss >= getCachedRestoreThresholdKb()) { |
| 1321 | if (proc.baseProcessTracker != null) { |
| 1322 | proc.baseProcessTracker.reportCachedKill(proc.pkgList.mPkgList, |
| 1323 | proc.lastCachedPss); |
| 1324 | for (int ipkg = proc.pkgList.size() - 1; ipkg >= 0; ipkg--) { |
| 1325 | ProcessStats.ProcessStateHolder holder = proc.pkgList.valueAt(ipkg); |
| 1326 | StatsLog.write(StatsLog.CACHED_KILL_REPORTED, |
| 1327 | proc.info.uid, |
| 1328 | holder.state.getName(), |
| 1329 | holder.state.getPackage(), |
| 1330 | proc.lastCachedPss, holder.appVersion); |
| 1331 | } |
| 1332 | } |
| 1333 | proc.kill(Long.toString(proc.lastCachedPss) + "k from cached", true); |
| 1334 | } |
| 1335 | } |
| 1336 | return proc; |
| 1337 | } |
| 1338 | |
| 1339 | void getMemoryInfo(ActivityManager.MemoryInfo outInfo) { |
| 1340 | final long homeAppMem = getMemLevel(HOME_APP_ADJ); |
| 1341 | final long cachedAppMem = getMemLevel(CACHED_APP_MIN_ADJ); |
| 1342 | outInfo.availMem = getFreeMemory(); |
| 1343 | outInfo.totalMem = getTotalMemory(); |
| 1344 | outInfo.threshold = homeAppMem; |
| 1345 | outInfo.lowMemory = outInfo.availMem < (homeAppMem + ((cachedAppMem-homeAppMem)/2)); |
| 1346 | outInfo.hiddenAppThreshold = cachedAppMem; |
| 1347 | outInfo.secondaryServerThreshold = getMemLevel(SERVICE_ADJ); |
| 1348 | outInfo.visibleAppThreshold = getMemLevel(VISIBLE_APP_ADJ); |
| 1349 | outInfo.foregroundAppThreshold = getMemLevel(FOREGROUND_APP_ADJ); |
| 1350 | } |
| 1351 | |
| 1352 | ProcessRecord findAppProcessLocked(IBinder app, String reason) { |
| 1353 | final int NP = mProcessNames.getMap().size(); |
| 1354 | for (int ip = 0; ip < NP; ip++) { |
| 1355 | SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); |
| 1356 | final int NA = apps.size(); |
| 1357 | for (int ia = 0; ia < NA; ia++) { |
| 1358 | ProcessRecord p = apps.valueAt(ia); |
| 1359 | if (p.thread != null && p.thread.asBinder() == app) { |
| 1360 | return p; |
| 1361 | } |
| 1362 | } |
| 1363 | } |
| 1364 | |
| 1365 | Slog.w(TAG, "Can't find mystery application for " + reason |
| 1366 | + " from pid=" + Binder.getCallingPid() |
| 1367 | + " uid=" + Binder.getCallingUid() + ": " + app); |
| 1368 | return null; |
| 1369 | } |
| 1370 | |
| 1371 | private void checkSlow(long startTime, String where) { |
| 1372 | long now = SystemClock.uptimeMillis(); |
| 1373 | if ((now - startTime) > 50) { |
| 1374 | // If we are taking more than 50ms, log about it. |
| 1375 | Slog.w(TAG, "Slow operation: " + (now - startTime) + "ms so far, now at " + where); |
| 1376 | } |
| 1377 | } |
| 1378 | |
| 1379 | /** |
| 1380 | * @return {@code true} if process start is successful, false otherwise. |
| 1381 | * @param app |
| 1382 | * @param hostingType |
| 1383 | * @param hostingNameStr |
| 1384 | * @param disableHiddenApiChecks |
| 1385 | * @param abiOverride |
| 1386 | */ |
| 1387 | @GuardedBy("mService") |
| 1388 | boolean startProcessLocked(ProcessRecord app, String hostingType, |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 1389 | String hostingNameStr, boolean disableHiddenApiChecks, boolean mountExtStorageFull, |
| 1390 | String abiOverride) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1391 | if (app.pendingStart) { |
| 1392 | return true; |
| 1393 | } |
| 1394 | long startTime = SystemClock.elapsedRealtime(); |
| 1395 | if (app.pid > 0 && app.pid != ActivityManagerService.MY_PID) { |
| 1396 | checkSlow(startTime, "startProcess: removing from pids map"); |
Wale Ogunwale | 0b94084 | 2018-12-03 06:58:11 -0800 | [diff] [blame] | 1397 | mService.mPidsSelfLocked.remove(app.pid); |
| 1398 | mService.mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1399 | checkSlow(startTime, "startProcess: done removing from pids map"); |
| 1400 | app.setPid(0); |
| 1401 | } |
| 1402 | |
| 1403 | if (DEBUG_PROCESSES && mService.mProcessesOnHold.contains(app)) Slog.v( |
| 1404 | TAG_PROCESSES, |
| 1405 | "startProcessLocked removing on hold: " + app); |
| 1406 | mService.mProcessesOnHold.remove(app); |
| 1407 | |
| 1408 | checkSlow(startTime, "startProcess: starting to update cpu stats"); |
| 1409 | mService.updateCpuStats(); |
| 1410 | checkSlow(startTime, "startProcess: done updating cpu stats"); |
| 1411 | |
| 1412 | try { |
| 1413 | try { |
| 1414 | final int userId = UserHandle.getUserId(app.uid); |
| 1415 | AppGlobals.getPackageManager().checkPackageStartable(app.info.packageName, userId); |
| 1416 | } catch (RemoteException e) { |
| 1417 | throw e.rethrowAsRuntimeException(); |
| 1418 | } |
| 1419 | |
| 1420 | int uid = app.uid; |
| 1421 | int[] gids = null; |
| 1422 | int mountExternal = Zygote.MOUNT_EXTERNAL_NONE; |
| 1423 | if (!app.isolated) { |
| 1424 | int[] permGids = null; |
| 1425 | try { |
| 1426 | checkSlow(startTime, "startProcess: getting gids from package manager"); |
| 1427 | final IPackageManager pm = AppGlobals.getPackageManager(); |
| 1428 | permGids = pm.getPackageGids(app.info.packageName, |
| 1429 | MATCH_DIRECT_BOOT_AUTO, app.userId); |
Jeff Sharkey | 10ec9d8 | 2018-11-28 14:52:45 -0700 | [diff] [blame] | 1430 | if (StorageManager.hasIsolatedStorage() && mountExtStorageFull) { |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 1431 | mountExternal = Zygote.MOUNT_EXTERNAL_FULL; |
| 1432 | } else { |
| 1433 | StorageManagerInternal storageManagerInternal = LocalServices.getService( |
| 1434 | StorageManagerInternal.class); |
| 1435 | mountExternal = storageManagerInternal.getExternalStorageMountMode(uid, |
| 1436 | app.info.packageName); |
| 1437 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1438 | } catch (RemoteException e) { |
| 1439 | throw e.rethrowAsRuntimeException(); |
| 1440 | } |
| 1441 | |
| 1442 | /* |
| 1443 | * Add shared application and profile GIDs so applications can share some |
| 1444 | * resources like shared libraries and access user-wide resources |
| 1445 | */ |
| 1446 | if (ArrayUtils.isEmpty(permGids)) { |
| 1447 | gids = new int[3]; |
| 1448 | } else { |
| 1449 | gids = new int[permGids.length + 3]; |
| 1450 | System.arraycopy(permGids, 0, gids, 3, permGids.length); |
| 1451 | } |
| 1452 | gids[0] = UserHandle.getSharedAppGid(UserHandle.getAppId(uid)); |
| 1453 | gids[1] = UserHandle.getCacheAppGid(UserHandle.getAppId(uid)); |
| 1454 | gids[2] = UserHandle.getUserGid(UserHandle.getUserId(uid)); |
| 1455 | |
| 1456 | // Replace any invalid GIDs |
| 1457 | if (gids[0] == UserHandle.ERR_GID) gids[0] = gids[2]; |
| 1458 | if (gids[1] == UserHandle.ERR_GID) gids[1] = gids[2]; |
| 1459 | } |
Sudheer Shanka | 87915d6 | 2018-11-06 10:57:35 -0800 | [diff] [blame] | 1460 | app.mountMode = mountExternal; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1461 | checkSlow(startTime, "startProcess: building args"); |
| 1462 | if (mService.mAtmInternal.isFactoryTestProcess(app.getWindowProcessController())) { |
| 1463 | uid = 0; |
| 1464 | } |
| 1465 | int runtimeFlags = 0; |
| 1466 | if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { |
| 1467 | runtimeFlags |= Zygote.DEBUG_ENABLE_JDWP; |
| 1468 | runtimeFlags |= Zygote.DEBUG_JAVA_DEBUGGABLE; |
| 1469 | // Also turn on CheckJNI for debuggable apps. It's quite |
| 1470 | // awkward to turn on otherwise. |
| 1471 | runtimeFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; |
| 1472 | } |
| 1473 | // Run the app in safe mode if its manifest requests so or the |
| 1474 | // system is booted in safe mode. |
| 1475 | if ((app.info.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0 || |
| 1476 | mService.mSafeMode == true) { |
| 1477 | runtimeFlags |= Zygote.DEBUG_ENABLE_SAFEMODE; |
| 1478 | } |
| 1479 | if ("1".equals(SystemProperties.get("debug.checkjni"))) { |
| 1480 | runtimeFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; |
| 1481 | } |
| 1482 | String genDebugInfoProperty = SystemProperties.get("debug.generate-debug-info"); |
| 1483 | if ("1".equals(genDebugInfoProperty) || "true".equals(genDebugInfoProperty)) { |
| 1484 | runtimeFlags |= Zygote.DEBUG_GENERATE_DEBUG_INFO; |
| 1485 | } |
| 1486 | String genMiniDebugInfoProperty = SystemProperties.get("dalvik.vm.minidebuginfo"); |
| 1487 | if ("1".equals(genMiniDebugInfoProperty) || "true".equals(genMiniDebugInfoProperty)) { |
| 1488 | runtimeFlags |= Zygote.DEBUG_GENERATE_MINI_DEBUG_INFO; |
| 1489 | } |
| 1490 | if ("1".equals(SystemProperties.get("debug.jni.logging"))) { |
| 1491 | runtimeFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING; |
| 1492 | } |
| 1493 | if ("1".equals(SystemProperties.get("debug.assert"))) { |
| 1494 | runtimeFlags |= Zygote.DEBUG_ENABLE_ASSERT; |
| 1495 | } |
| 1496 | if (mService.mNativeDebuggingApp != null |
| 1497 | && mService.mNativeDebuggingApp.equals(app.processName)) { |
| 1498 | // Enable all debug flags required by the native debugger. |
| 1499 | runtimeFlags |= Zygote.DEBUG_ALWAYS_JIT; // Don't interpret anything |
| 1500 | runtimeFlags |= Zygote.DEBUG_GENERATE_DEBUG_INFO; // Generate debug info |
| 1501 | runtimeFlags |= Zygote.DEBUG_NATIVE_DEBUGGABLE; // Disbale optimizations |
| 1502 | mService.mNativeDebuggingApp = null; |
| 1503 | } |
| 1504 | |
Victor Hsieh | f12af2f | 2019-01-03 10:11:03 -0800 | [diff] [blame] | 1505 | if (app.info.isCodeIntegrityPreferred() |
Victor Hsieh | e7b5a8d | 2018-11-16 10:27:06 -0800 | [diff] [blame] | 1506 | || (app.info.isPrivilegedApp() |
| 1507 | && DexManager.isPackageSelectedToRunOob(app.pkgList.mPkgList.keySet()))) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1508 | runtimeFlags |= Zygote.ONLY_USE_SYSTEM_OAT_FILES; |
| 1509 | } |
| 1510 | |
| 1511 | if (!disableHiddenApiChecks && !mService.mHiddenApiBlacklist.isDisabled()) { |
| 1512 | app.info.maybeUpdateHiddenApiEnforcementPolicy( |
David Brazdil | 06ae4b8 | 2018-11-02 18:01:45 +0000 | [diff] [blame] | 1513 | mService.mHiddenApiBlacklist.getPolicy()); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1514 | @ApplicationInfo.HiddenApiEnforcementPolicy int policy = |
| 1515 | app.info.getHiddenApiEnforcementPolicy(); |
| 1516 | int policyBits = (policy << Zygote.API_ENFORCEMENT_POLICY_SHIFT); |
| 1517 | if ((policyBits & Zygote.API_ENFORCEMENT_POLICY_MASK) != policyBits) { |
| 1518 | throw new IllegalStateException("Invalid API policy: " + policy); |
| 1519 | } |
| 1520 | runtimeFlags |= policyBits; |
| 1521 | } |
| 1522 | |
| 1523 | String invokeWith = null; |
| 1524 | if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { |
| 1525 | // Debuggable apps may include a wrapper script with their library directory. |
| 1526 | String wrapperFileName = app.info.nativeLibraryDir + "/wrap.sh"; |
| 1527 | StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads(); |
| 1528 | try { |
| 1529 | if (new File(wrapperFileName).exists()) { |
| 1530 | invokeWith = "/system/bin/logwrapper " + wrapperFileName; |
| 1531 | } |
| 1532 | } finally { |
| 1533 | StrictMode.setThreadPolicy(oldPolicy); |
| 1534 | } |
| 1535 | } |
| 1536 | |
| 1537 | String requiredAbi = (abiOverride != null) ? abiOverride : app.info.primaryCpuAbi; |
| 1538 | if (requiredAbi == null) { |
| 1539 | requiredAbi = Build.SUPPORTED_ABIS[0]; |
| 1540 | } |
| 1541 | |
| 1542 | String instructionSet = null; |
| 1543 | if (app.info.primaryCpuAbi != null) { |
| 1544 | instructionSet = VMRuntime.getInstructionSet(app.info.primaryCpuAbi); |
| 1545 | } |
| 1546 | |
| 1547 | app.gids = gids; |
| 1548 | app.setRequiredAbi(requiredAbi); |
| 1549 | app.instructionSet = instructionSet; |
| 1550 | |
| 1551 | // the per-user SELinux context must be set |
| 1552 | if (TextUtils.isEmpty(app.info.seInfoUser)) { |
| 1553 | Slog.wtf(ActivityManagerService.TAG, "SELinux tag not defined", |
| 1554 | new IllegalStateException("SELinux tag not defined for " |
| 1555 | + app.info.packageName + " (uid " + app.uid + ")")); |
| 1556 | } |
| 1557 | final String seInfo = app.info.seInfo |
| 1558 | + (TextUtils.isEmpty(app.info.seInfoUser) ? "" : app.info.seInfoUser); |
| 1559 | // Start the process. It will either succeed and return a result containing |
| 1560 | // the PID of the new process, or else throw a RuntimeException. |
| 1561 | final String entryPoint = "android.app.ActivityThread"; |
| 1562 | |
| 1563 | return startProcessLocked(hostingType, hostingNameStr, entryPoint, app, uid, gids, |
| 1564 | runtimeFlags, mountExternal, seInfo, requiredAbi, instructionSet, invokeWith, |
| 1565 | startTime); |
| 1566 | } catch (RuntimeException e) { |
| 1567 | Slog.e(ActivityManagerService.TAG, "Failure starting process " + app.processName, e); |
| 1568 | |
| 1569 | // Something went very wrong while trying to start this process; one |
| 1570 | // common case is when the package is frozen due to an active |
| 1571 | // upgrade. To recover, clean up any active bookkeeping related to |
| 1572 | // starting this process. (We already invoked this method once when |
| 1573 | // the package was initially frozen through KILL_APPLICATION_MSG, so |
| 1574 | // it doesn't hurt to use it again.) |
| 1575 | mService.forceStopPackageLocked(app.info.packageName, UserHandle.getAppId(app.uid), |
| 1576 | false, false, true, false, false, app.userId, "start failure"); |
| 1577 | return false; |
| 1578 | } |
| 1579 | } |
| 1580 | |
| 1581 | @GuardedBy("mService") |
| 1582 | boolean startProcessLocked(String hostingType, String hostingNameStr, |
| 1583 | String entryPoint, |
| 1584 | ProcessRecord app, int uid, int[] gids, int runtimeFlags, int mountExternal, |
| 1585 | String seInfo, String requiredAbi, String instructionSet, String invokeWith, |
| 1586 | long startTime) { |
| 1587 | app.pendingStart = true; |
| 1588 | app.killedByAm = false; |
| 1589 | app.removed = false; |
| 1590 | app.killed = false; |
| 1591 | final long startSeq = app.startSeq = ++mProcStartSeqCounter; |
| 1592 | app.setStartParams(uid, hostingType, hostingNameStr, seInfo, startTime); |
| 1593 | if (mService.mConstants.FLAG_PROCESS_START_ASYNC) { |
| 1594 | if (DEBUG_PROCESSES) Slog.i(TAG_PROCESSES, |
| 1595 | "Posting procStart msg for " + app.toShortString()); |
| 1596 | mService.mProcStartHandler.post(() -> { |
| 1597 | try { |
| 1598 | synchronized (mService) { |
| 1599 | final String reason = isProcStartValidLocked(app, startSeq); |
| 1600 | if (reason != null) { |
| 1601 | Slog.w(TAG_PROCESSES, app + " not valid anymore," |
| 1602 | + " don't start process, " + reason); |
| 1603 | app.pendingStart = false; |
| 1604 | return; |
| 1605 | } |
| 1606 | app.setUsingWrapper(invokeWith != null |
| 1607 | || SystemProperties.get("wrap." + app.processName) != null); |
| 1608 | mPendingStarts.put(startSeq, app); |
| 1609 | } |
| 1610 | final Process.ProcessStartResult startResult = startProcess(app.hostingType, |
| 1611 | entryPoint, app, app.startUid, gids, runtimeFlags, mountExternal, |
| 1612 | app.seInfo, requiredAbi, instructionSet, invokeWith, app.startTime); |
| 1613 | synchronized (mService) { |
| 1614 | handleProcessStartedLocked(app, startResult, startSeq); |
| 1615 | } |
| 1616 | } catch (RuntimeException e) { |
| 1617 | synchronized (mService) { |
| 1618 | Slog.e(ActivityManagerService.TAG, "Failure starting process " |
| 1619 | + app.processName, e); |
| 1620 | mPendingStarts.remove(startSeq); |
| 1621 | app.pendingStart = false; |
| 1622 | mService.forceStopPackageLocked(app.info.packageName, |
| 1623 | UserHandle.getAppId(app.uid), |
| 1624 | false, false, true, false, false, app.userId, "start failure"); |
| 1625 | } |
| 1626 | } |
| 1627 | }); |
| 1628 | return true; |
| 1629 | } else { |
| 1630 | try { |
| 1631 | final Process.ProcessStartResult startResult = startProcess(hostingType, |
| 1632 | entryPoint, app, |
| 1633 | uid, gids, runtimeFlags, mountExternal, seInfo, requiredAbi, instructionSet, |
| 1634 | invokeWith, startTime); |
| 1635 | handleProcessStartedLocked(app, startResult.pid, startResult.usingWrapper, |
| 1636 | startSeq, false); |
| 1637 | } catch (RuntimeException e) { |
| 1638 | Slog.e(ActivityManagerService.TAG, "Failure starting process " |
| 1639 | + app.processName, e); |
| 1640 | app.pendingStart = false; |
| 1641 | mService.forceStopPackageLocked(app.info.packageName, UserHandle.getAppId(app.uid), |
| 1642 | false, false, true, false, false, app.userId, "start failure"); |
| 1643 | } |
| 1644 | return app.pid > 0; |
| 1645 | } |
| 1646 | } |
| 1647 | |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 1648 | @GuardedBy("mService") |
| 1649 | public void killAppZygoteIfNeededLocked(AppZygote appZygote) { |
| 1650 | final ApplicationInfo appInfo = appZygote.getAppInfo(); |
| 1651 | ArrayList<ProcessRecord> zygoteProcesses = mAppZygoteProcesses.get(appZygote); |
| 1652 | if (zygoteProcesses.size() == 0) { // Only remove if no longer in use now |
| 1653 | mAppZygotes.remove(appInfo.processName, appInfo.uid); |
| 1654 | mAppZygoteProcesses.remove(appZygote); |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 1655 | mAppIsolatedUidRangeAllocator.freeUidRangeLocked(appInfo); |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 1656 | appZygote.stopZygote(); |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | @GuardedBy("mService") |
| 1661 | private void removeProcessFromAppZygoteLocked(final ProcessRecord app) { |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 1662 | // Free the isolated uid for this process |
| 1663 | final IsolatedUidRange appUidRange = |
| 1664 | mAppIsolatedUidRangeAllocator.getIsolatedUidRangeLocked(app.info); |
| 1665 | if (appUidRange != null) { |
| 1666 | appUidRange.freeIsolatedUidLocked(app.uid); |
| 1667 | } |
| 1668 | |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 1669 | final AppZygote appZygote = mAppZygotes.get(app.info.processName, app.info.uid); |
| 1670 | if (appZygote != null) { |
| 1671 | ArrayList<ProcessRecord> zygoteProcesses = mAppZygoteProcesses.get(appZygote); |
| 1672 | zygoteProcesses.remove(app); |
| 1673 | if (zygoteProcesses.size() == 0) { |
| 1674 | Message msg = mService.mHandler.obtainMessage(KILL_APP_ZYGOTE_MSG); |
| 1675 | msg.obj = appZygote; |
| 1676 | mService.mHandler.sendMessageDelayed(msg, KILL_APP_ZYGOTE_DELAY_MS); |
| 1677 | } |
| 1678 | } |
| 1679 | } |
| 1680 | |
| 1681 | private AppZygote createAppZygoteForProcessIfNeeded(final ProcessRecord app) { |
| 1682 | synchronized (mService) { |
| 1683 | AppZygote appZygote = mAppZygotes.get(app.info.processName, app.info.uid); |
| 1684 | final ArrayList<ProcessRecord> zygoteProcessList; |
| 1685 | if (appZygote == null) { |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 1686 | final IsolatedUidRange uidRange = |
| 1687 | mAppIsolatedUidRangeAllocator.getIsolatedUidRangeLocked(app.info); |
Martijn Coenen | 86f08a5 | 2019-01-03 16:23:01 +0100 | [diff] [blame] | 1688 | final int userId = UserHandle.getUserId(app.info.uid); |
| 1689 | // Create the app-zygote and provide it with the UID-range it's allowed |
| 1690 | // to setresuid/setresgid to. |
| 1691 | final int firstUid = UserHandle.getUid(userId, uidRange.mFirstUid); |
| 1692 | final int lastUid = UserHandle.getUid(userId, uidRange.mLastUid); |
| 1693 | appZygote = new AppZygote(app.info, app.info.uid, firstUid, lastUid); |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 1694 | mAppZygotes.put(app.info.processName, app.info.uid, appZygote); |
| 1695 | zygoteProcessList = new ArrayList<ProcessRecord>(); |
| 1696 | mAppZygoteProcesses.put(appZygote, zygoteProcessList); |
| 1697 | } else { |
| 1698 | mService.mHandler.removeMessages(KILL_APP_ZYGOTE_MSG, appZygote); |
| 1699 | zygoteProcessList = mAppZygoteProcesses.get(appZygote); |
| 1700 | } |
| 1701 | // Note that we already add the app to mAppZygoteProcesses here; |
| 1702 | // this is so that another thread can't come in and kill the zygote |
| 1703 | // before we've even tried to start the process. If the process launch |
| 1704 | // goes wrong, we'll clean this up in removeProcessNameLocked() |
| 1705 | zygoteProcessList.add(app); |
| 1706 | |
| 1707 | return appZygote; |
| 1708 | } |
| 1709 | } |
| 1710 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1711 | private Process.ProcessStartResult startProcess(String hostingType, String entryPoint, |
| 1712 | ProcessRecord app, int uid, int[] gids, int runtimeFlags, int mountExternal, |
| 1713 | String seInfo, String requiredAbi, String instructionSet, String invokeWith, |
| 1714 | long startTime) { |
| 1715 | try { |
| 1716 | final String[] packageNames = mService.mContext.getPackageManager() |
| 1717 | .getPackagesForUid(uid); |
| 1718 | final String[] visibleVolIds = LocalServices.getService(StorageManagerInternal.class) |
| 1719 | .getVisibleVolumesForUser(UserHandle.getUserId(uid)); |
| 1720 | Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "Start proc: " + |
| 1721 | app.processName); |
| 1722 | checkSlow(startTime, "startProcess: asking zygote to start proc"); |
| 1723 | final Process.ProcessStartResult startResult; |
| 1724 | if (hostingType.equals("webview_service")) { |
| 1725 | startResult = startWebView(entryPoint, |
| 1726 | app.processName, uid, uid, gids, runtimeFlags, mountExternal, |
| 1727 | app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet, |
| 1728 | app.info.dataDir, null, app.info.packageName, |
| 1729 | packageNames, visibleVolIds, |
| 1730 | new String[] {PROC_START_SEQ_IDENT + app.startSeq}); |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 1731 | } else if (hostingType.equals("app_zygote")) { |
| 1732 | final AppZygote appZygote = createAppZygoteForProcessIfNeeded(app); |
| 1733 | |
| 1734 | startResult = appZygote.getProcess().start(entryPoint, |
| 1735 | app.processName, uid, uid, gids, runtimeFlags, mountExternal, |
| 1736 | app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet, |
| 1737 | app.info.dataDir, null, app.info.packageName, |
Chris Wailes | ba4c2eb | 2019-01-11 17:13:00 -0800 | [diff] [blame] | 1738 | packageNames, visibleVolIds, /*useBlastulaPool=*/ false, |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 1739 | new String[] {PROC_START_SEQ_IDENT + app.startSeq}); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1740 | } else { |
| 1741 | startResult = Process.start(entryPoint, |
| 1742 | app.processName, uid, uid, gids, runtimeFlags, mountExternal, |
| 1743 | app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet, |
| 1744 | app.info.dataDir, invokeWith, app.info.packageName, |
| 1745 | packageNames, visibleVolIds, |
| 1746 | new String[] {PROC_START_SEQ_IDENT + app.startSeq}); |
| 1747 | } |
| 1748 | checkSlow(startTime, "startProcess: returned from zygote!"); |
| 1749 | return startResult; |
| 1750 | } finally { |
| 1751 | Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); |
| 1752 | } |
| 1753 | } |
| 1754 | |
| 1755 | @GuardedBy("mService") |
| 1756 | final void startProcessLocked(ProcessRecord app, |
| 1757 | String hostingType, String hostingNameStr) { |
| 1758 | startProcessLocked(app, hostingType, hostingNameStr, null /* abiOverride */); |
| 1759 | } |
| 1760 | |
| 1761 | @GuardedBy("mService") |
| 1762 | final boolean startProcessLocked(ProcessRecord app, |
| 1763 | String hostingType, String hostingNameStr, String abiOverride) { |
| 1764 | return startProcessLocked(app, hostingType, hostingNameStr, |
Sudheer Shanka | 8f99bff | 2018-10-21 16:19:53 -0700 | [diff] [blame] | 1765 | false /* disableHiddenApiChecks */, false /* mountExtStorageFull */, abiOverride); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1766 | } |
| 1767 | |
| 1768 | @GuardedBy("mService") |
| 1769 | final ProcessRecord startProcessLocked(String processName, ApplicationInfo info, |
| 1770 | boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName, |
| 1771 | boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge, |
| 1772 | String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler) { |
| 1773 | long startTime = SystemClock.elapsedRealtime(); |
| 1774 | ProcessRecord app; |
| 1775 | if (!isolated) { |
| 1776 | app = getProcessRecordLocked(processName, info.uid, keepIfLarge); |
| 1777 | checkSlow(startTime, "startProcess: after getProcessRecord"); |
| 1778 | |
| 1779 | if ((intentFlags & Intent.FLAG_FROM_BACKGROUND) != 0) { |
| 1780 | // If we are in the background, then check to see if this process |
| 1781 | // is bad. If so, we will just silently fail. |
| 1782 | if (mService.mAppErrors.isBadProcessLocked(info)) { |
| 1783 | if (DEBUG_PROCESSES) Slog.v(TAG, "Bad process: " + info.uid |
| 1784 | + "/" + info.processName); |
| 1785 | return null; |
| 1786 | } |
| 1787 | } else { |
| 1788 | // When the user is explicitly starting a process, then clear its |
| 1789 | // crash count so that we won't make it bad until they see at |
| 1790 | // least one crash dialog again, and make the process good again |
| 1791 | // if it had been bad. |
| 1792 | if (DEBUG_PROCESSES) Slog.v(TAG, "Clearing bad process: " + info.uid |
| 1793 | + "/" + info.processName); |
| 1794 | mService.mAppErrors.resetProcessCrashTimeLocked(info); |
| 1795 | if (mService.mAppErrors.isBadProcessLocked(info)) { |
| 1796 | EventLog.writeEvent(EventLogTags.AM_PROC_GOOD, |
| 1797 | UserHandle.getUserId(info.uid), info.uid, |
| 1798 | info.processName); |
| 1799 | mService.mAppErrors.clearBadProcessLocked(info); |
| 1800 | if (app != null) { |
| 1801 | app.bad = false; |
| 1802 | } |
| 1803 | } |
| 1804 | } |
| 1805 | } else { |
| 1806 | // If this is an isolated process, it can't re-use an existing process. |
| 1807 | app = null; |
| 1808 | } |
| 1809 | |
| 1810 | // We don't have to do anything more if: |
| 1811 | // (1) There is an existing application record; and |
| 1812 | // (2) The caller doesn't think it is dead, OR there is no thread |
| 1813 | // object attached to it so we know it couldn't have crashed; and |
| 1814 | // (3) There is a pid assigned to it, so it is either starting or |
| 1815 | // already running. |
| 1816 | if (DEBUG_PROCESSES) Slog.v(TAG_PROCESSES, "startProcess: name=" + processName |
| 1817 | + " app=" + app + " knownToBeDead=" + knownToBeDead |
| 1818 | + " thread=" + (app != null ? app.thread : null) |
| 1819 | + " pid=" + (app != null ? app.pid : -1)); |
| 1820 | if (app != null && app.pid > 0) { |
| 1821 | if ((!knownToBeDead && !app.killed) || app.thread == null) { |
| 1822 | // We already have the app running, or are waiting for it to |
| 1823 | // come up (we have a pid but not yet its thread), so keep it. |
| 1824 | if (DEBUG_PROCESSES) Slog.v(TAG_PROCESSES, "App already running: " + app); |
| 1825 | // If this is a new package in the process, add the package to the list |
| 1826 | app.addPackage(info.packageName, info.versionCode, mService.mProcessStats); |
| 1827 | checkSlow(startTime, "startProcess: done, added package to proc"); |
| 1828 | return app; |
| 1829 | } |
| 1830 | |
| 1831 | // An application record is attached to a previous process, |
| 1832 | // clean it up now. |
| 1833 | if (DEBUG_PROCESSES) Slog.v(TAG_PROCESSES, "App died: " + app); |
| 1834 | checkSlow(startTime, "startProcess: bad proc running, killing"); |
| 1835 | ProcessList.killProcessGroup(app.uid, app.pid); |
| 1836 | mService.handleAppDiedLocked(app, true, true); |
| 1837 | checkSlow(startTime, "startProcess: done killing old proc"); |
| 1838 | } |
| 1839 | |
| 1840 | String hostingNameStr = hostingName != null |
| 1841 | ? hostingName.flattenToShortString() : null; |
| 1842 | |
| 1843 | if (app == null) { |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 1844 | final boolean fromAppZygote = "app_zygote".equals(hostingType); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1845 | checkSlow(startTime, "startProcess: creating new process record"); |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 1846 | app = newProcessRecordLocked(info, processName, isolated, isolatedUid, fromAppZygote); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1847 | if (app == null) { |
| 1848 | Slog.w(TAG, "Failed making new process record for " |
| 1849 | + processName + "/" + info.uid + " isolated=" + isolated); |
| 1850 | return null; |
| 1851 | } |
| 1852 | app.crashHandler = crashHandler; |
| 1853 | app.isolatedEntryPoint = entryPoint; |
| 1854 | app.isolatedEntryPointArgs = entryPointArgs; |
| 1855 | checkSlow(startTime, "startProcess: done creating new process record"); |
| 1856 | } else { |
| 1857 | // If this is a new package in the process, add the package to the list |
| 1858 | app.addPackage(info.packageName, info.versionCode, mService.mProcessStats); |
| 1859 | checkSlow(startTime, "startProcess: added package to existing proc"); |
| 1860 | } |
| 1861 | |
| 1862 | // If the system is not ready yet, then hold off on starting this |
| 1863 | // process until it is. |
| 1864 | if (!mService.mProcessesReady |
| 1865 | && !mService.isAllowedWhileBooting(info) |
| 1866 | && !allowWhileBooting) { |
| 1867 | if (!mService.mProcessesOnHold.contains(app)) { |
| 1868 | mService.mProcessesOnHold.add(app); |
| 1869 | } |
| 1870 | if (DEBUG_PROCESSES) Slog.v(TAG_PROCESSES, |
| 1871 | "System not ready, putting on hold: " + app); |
| 1872 | checkSlow(startTime, "startProcess: returning with proc on hold"); |
| 1873 | return app; |
| 1874 | } |
| 1875 | |
| 1876 | checkSlow(startTime, "startProcess: stepping in to startProcess"); |
| 1877 | final boolean success = startProcessLocked(app, hostingType, hostingNameStr, |
| 1878 | abiOverride); |
| 1879 | checkSlow(startTime, "startProcess: done starting proc!"); |
| 1880 | return success ? app : null; |
| 1881 | } |
| 1882 | |
| 1883 | @GuardedBy("mService") |
| 1884 | private String isProcStartValidLocked(ProcessRecord app, long expectedStartSeq) { |
| 1885 | StringBuilder sb = null; |
| 1886 | if (app.killedByAm) { |
| 1887 | if (sb == null) sb = new StringBuilder(); |
| 1888 | sb.append("killedByAm=true;"); |
| 1889 | } |
| 1890 | if (mProcessNames.get(app.processName, app.uid) != app) { |
| 1891 | if (sb == null) sb = new StringBuilder(); |
| 1892 | sb.append("No entry in mProcessNames;"); |
| 1893 | } |
| 1894 | if (!app.pendingStart) { |
| 1895 | if (sb == null) sb = new StringBuilder(); |
| 1896 | sb.append("pendingStart=false;"); |
| 1897 | } |
| 1898 | if (app.startSeq > expectedStartSeq) { |
| 1899 | if (sb == null) sb = new StringBuilder(); |
| 1900 | sb.append("seq=" + app.startSeq + ",expected=" + expectedStartSeq + ";"); |
| 1901 | } |
| 1902 | return sb == null ? null : sb.toString(); |
| 1903 | } |
| 1904 | |
| 1905 | @GuardedBy("mService") |
| 1906 | private boolean handleProcessStartedLocked(ProcessRecord pending, |
| 1907 | Process.ProcessStartResult startResult, long expectedStartSeq) { |
| 1908 | // Indicates that this process start has been taken care of. |
| 1909 | if (mPendingStarts.get(expectedStartSeq) == null) { |
| 1910 | if (pending.pid == startResult.pid) { |
| 1911 | pending.setUsingWrapper(startResult.usingWrapper); |
| 1912 | // TODO: Update already existing clients of usingWrapper |
| 1913 | } |
| 1914 | return false; |
| 1915 | } |
| 1916 | return handleProcessStartedLocked(pending, startResult.pid, startResult.usingWrapper, |
| 1917 | expectedStartSeq, false); |
| 1918 | } |
| 1919 | |
| 1920 | @GuardedBy("mService") |
| 1921 | boolean handleProcessStartedLocked(ProcessRecord app, int pid, boolean usingWrapper, |
| 1922 | long expectedStartSeq, boolean procAttached) { |
| 1923 | mPendingStarts.remove(expectedStartSeq); |
| 1924 | final String reason = isProcStartValidLocked(app, expectedStartSeq); |
| 1925 | if (reason != null) { |
| 1926 | Slog.w(TAG_PROCESSES, app + " start not valid, killing pid=" + |
| 1927 | pid |
| 1928 | + ", " + reason); |
| 1929 | app.pendingStart = false; |
| 1930 | killProcessQuiet(pid); |
| 1931 | Process.killProcessGroup(app.uid, app.pid); |
| 1932 | return false; |
| 1933 | } |
| 1934 | mService.mBatteryStatsService.noteProcessStart(app.processName, app.info.uid); |
| 1935 | checkSlow(app.startTime, "startProcess: done updating battery stats"); |
| 1936 | |
| 1937 | EventLog.writeEvent(EventLogTags.AM_PROC_START, |
| 1938 | UserHandle.getUserId(app.startUid), pid, app.startUid, |
| 1939 | app.processName, app.hostingType, |
| 1940 | app.hostingNameStr != null ? app.hostingNameStr : ""); |
| 1941 | |
| 1942 | try { |
| 1943 | AppGlobals.getPackageManager().logAppProcessStartIfNeeded(app.processName, app.uid, |
| 1944 | app.seInfo, app.info.sourceDir, pid); |
| 1945 | } catch (RemoteException ex) { |
| 1946 | // Ignore |
| 1947 | } |
| 1948 | |
| 1949 | if (app.isPersistent()) { |
| 1950 | Watchdog.getInstance().processStarted(app.processName, pid); |
| 1951 | } |
| 1952 | |
| 1953 | checkSlow(app.startTime, "startProcess: building log message"); |
| 1954 | StringBuilder buf = mStringBuilder; |
| 1955 | buf.setLength(0); |
| 1956 | buf.append("Start proc "); |
| 1957 | buf.append(pid); |
| 1958 | buf.append(':'); |
| 1959 | buf.append(app.processName); |
| 1960 | buf.append('/'); |
| 1961 | UserHandle.formatUid(buf, app.startUid); |
| 1962 | if (app.isolatedEntryPoint != null) { |
| 1963 | buf.append(" ["); |
| 1964 | buf.append(app.isolatedEntryPoint); |
| 1965 | buf.append("]"); |
| 1966 | } |
| 1967 | buf.append(" for "); |
| 1968 | buf.append(app.hostingType); |
| 1969 | if (app.hostingNameStr != null) { |
| 1970 | buf.append(" "); |
| 1971 | buf.append(app.hostingNameStr); |
| 1972 | } |
| 1973 | mService.reportUidInfoMessageLocked(TAG, buf.toString(), app.startUid); |
| 1974 | app.setPid(pid); |
| 1975 | app.setUsingWrapper(usingWrapper); |
| 1976 | app.pendingStart = false; |
| 1977 | checkSlow(app.startTime, "startProcess: starting to update pids map"); |
| 1978 | ProcessRecord oldApp; |
| 1979 | synchronized (mService.mPidsSelfLocked) { |
| 1980 | oldApp = mService.mPidsSelfLocked.get(pid); |
| 1981 | } |
| 1982 | // If there is already an app occupying that pid that hasn't been cleaned up |
| 1983 | if (oldApp != null && !app.isolated) { |
| 1984 | // Clean up anything relating to this pid first |
| 1985 | Slog.w(TAG, "Reusing pid " + pid |
| 1986 | + " while app is still mapped to it"); |
| 1987 | mService.cleanUpApplicationRecordLocked(oldApp, false, false, -1, |
| 1988 | true /*replacingPid*/); |
| 1989 | } |
Wale Ogunwale | 0b94084 | 2018-12-03 06:58:11 -0800 | [diff] [blame] | 1990 | mService.mPidsSelfLocked.put(pid, app); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1991 | synchronized (mService.mPidsSelfLocked) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 1992 | if (!procAttached) { |
| 1993 | Message msg = mService.mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); |
| 1994 | msg.obj = app; |
| 1995 | mService.mHandler.sendMessageDelayed(msg, usingWrapper |
| 1996 | ? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT); |
| 1997 | } |
| 1998 | } |
| 1999 | checkSlow(app.startTime, "startProcess: done updating pids map"); |
| 2000 | return true; |
| 2001 | } |
| 2002 | |
| 2003 | final void removeLruProcessLocked(ProcessRecord app) { |
| 2004 | int lrui = mLruProcesses.lastIndexOf(app); |
| 2005 | if (lrui >= 0) { |
| 2006 | if (!app.killed) { |
| 2007 | if (app.isPersistent()) { |
| 2008 | Slog.w(TAG, "Removing persistent process that hasn't been killed: " + app); |
| 2009 | } else { |
| 2010 | Slog.wtfStack(TAG, "Removing process that hasn't been killed: " + app); |
| 2011 | if (app.pid > 0) { |
| 2012 | killProcessQuiet(app.pid); |
| 2013 | ProcessList.killProcessGroup(app.uid, app.pid); |
| 2014 | } else { |
| 2015 | app.pendingStart = false; |
| 2016 | } |
| 2017 | } |
| 2018 | } |
| 2019 | if (lrui <= mLruProcessActivityStart) { |
| 2020 | mLruProcessActivityStart--; |
| 2021 | } |
| 2022 | if (lrui <= mLruProcessServiceStart) { |
| 2023 | mLruProcessServiceStart--; |
| 2024 | } |
| 2025 | mLruProcesses.remove(lrui); |
| 2026 | } |
| 2027 | } |
| 2028 | |
| 2029 | void killAllBackgroundProcessesLocked() { |
| 2030 | final ArrayList<ProcessRecord> procs = new ArrayList<>(); |
| 2031 | final int NP = mProcessNames.getMap().size(); |
| 2032 | for (int ip = 0; ip < NP; ip++) { |
| 2033 | final SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); |
| 2034 | final int NA = apps.size(); |
| 2035 | for (int ia = 0; ia < NA; ia++) { |
| 2036 | final ProcessRecord app = apps.valueAt(ia); |
| 2037 | if (app.isPersistent()) { |
| 2038 | // We don't kill persistent processes. |
| 2039 | continue; |
| 2040 | } |
| 2041 | if (app.removed) { |
| 2042 | procs.add(app); |
| 2043 | } else if (app.setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { |
| 2044 | app.removed = true; |
| 2045 | procs.add(app); |
| 2046 | } |
| 2047 | } |
| 2048 | } |
| 2049 | |
| 2050 | final int N = procs.size(); |
| 2051 | for (int i = 0; i < N; i++) { |
| 2052 | removeProcessLocked(procs.get(i), false, true, "kill all background"); |
| 2053 | } |
| 2054 | } |
| 2055 | |
| 2056 | @GuardedBy("mService") |
| 2057 | final boolean killPackageProcessesLocked(String packageName, int appId, |
| 2058 | int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart, |
| 2059 | boolean doit, boolean evenPersistent, String reason) { |
| 2060 | ArrayList<ProcessRecord> procs = new ArrayList<>(); |
| 2061 | |
| 2062 | // Remove all processes this package may have touched: all with the |
| 2063 | // same UID (except for the system or root user), and all whose name |
| 2064 | // matches the package name. |
| 2065 | final int NP = mProcessNames.getMap().size(); |
| 2066 | for (int ip = 0; ip < NP; ip++) { |
| 2067 | SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); |
| 2068 | final int NA = apps.size(); |
| 2069 | for (int ia = 0; ia < NA; ia++) { |
| 2070 | ProcessRecord app = apps.valueAt(ia); |
| 2071 | if (app.isPersistent() && !evenPersistent) { |
| 2072 | // we don't kill persistent processes |
| 2073 | continue; |
| 2074 | } |
| 2075 | if (app.removed) { |
| 2076 | if (doit) { |
| 2077 | procs.add(app); |
| 2078 | } |
| 2079 | continue; |
| 2080 | } |
| 2081 | |
| 2082 | // Skip process if it doesn't meet our oom adj requirement. |
| 2083 | if (app.setAdj < minOomAdj) { |
| 2084 | continue; |
| 2085 | } |
| 2086 | |
| 2087 | // If no package is specified, we call all processes under the |
| 2088 | // give user id. |
| 2089 | if (packageName == null) { |
| 2090 | if (userId != UserHandle.USER_ALL && app.userId != userId) { |
| 2091 | continue; |
| 2092 | } |
| 2093 | if (appId >= 0 && UserHandle.getAppId(app.uid) != appId) { |
| 2094 | continue; |
| 2095 | } |
| 2096 | // Package has been specified, we want to hit all processes |
| 2097 | // that match it. We need to qualify this by the processes |
| 2098 | // that are running under the specified app and user ID. |
| 2099 | } else { |
| 2100 | final boolean isDep = app.pkgDeps != null |
| 2101 | && app.pkgDeps.contains(packageName); |
| 2102 | if (!isDep && UserHandle.getAppId(app.uid) != appId) { |
| 2103 | continue; |
| 2104 | } |
| 2105 | if (userId != UserHandle.USER_ALL && app.userId != userId) { |
| 2106 | continue; |
| 2107 | } |
| 2108 | if (!app.pkgList.containsKey(packageName) && !isDep) { |
| 2109 | continue; |
| 2110 | } |
| 2111 | } |
| 2112 | |
| 2113 | // Process has passed all conditions, kill it! |
| 2114 | if (!doit) { |
| 2115 | return true; |
| 2116 | } |
| 2117 | app.removed = true; |
| 2118 | procs.add(app); |
| 2119 | } |
| 2120 | } |
| 2121 | |
| 2122 | int N = procs.size(); |
| 2123 | for (int i=0; i<N; i++) { |
| 2124 | removeProcessLocked(procs.get(i), callerWillRestart, allowRestart, reason); |
| 2125 | } |
| 2126 | mService.updateOomAdjLocked(); |
| 2127 | return N > 0; |
| 2128 | } |
| 2129 | @GuardedBy("mService") |
| 2130 | boolean removeProcessLocked(ProcessRecord app, |
| 2131 | boolean callerWillRestart, boolean allowRestart, String reason) { |
| 2132 | final String name = app.processName; |
| 2133 | final int uid = app.uid; |
| 2134 | if (DEBUG_PROCESSES) Slog.d(TAG_PROCESSES, |
| 2135 | "Force removing proc " + app.toShortString() + " (" + name + "/" + uid + ")"); |
| 2136 | |
| 2137 | ProcessRecord old = mProcessNames.get(name, uid); |
| 2138 | if (old != app) { |
| 2139 | // This process is no longer active, so nothing to do. |
| 2140 | Slog.w(TAG, "Ignoring remove of inactive process: " + app); |
| 2141 | return false; |
| 2142 | } |
| 2143 | removeProcessNameLocked(name, uid); |
| 2144 | mService.mAtmInternal.clearHeavyWeightProcessIfEquals(app.getWindowProcessController()); |
| 2145 | |
| 2146 | boolean needRestart = false; |
| 2147 | if ((app.pid > 0 && app.pid != ActivityManagerService.MY_PID) || (app.pid == 0 && app |
| 2148 | .pendingStart)) { |
| 2149 | int pid = app.pid; |
| 2150 | if (pid > 0) { |
Wale Ogunwale | 0b94084 | 2018-12-03 06:58:11 -0800 | [diff] [blame] | 2151 | mService.mPidsSelfLocked.remove(pid); |
| 2152 | mService.mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2153 | mService.mBatteryStatsService.noteProcessFinish(app.processName, app.info.uid); |
| 2154 | if (app.isolated) { |
| 2155 | mService.mBatteryStatsService.removeIsolatedUid(app.uid, app.info.uid); |
| 2156 | mService.getPackageManagerInternalLocked().removeIsolatedUid(app.uid); |
| 2157 | } |
| 2158 | } |
| 2159 | boolean willRestart = false; |
| 2160 | if (app.isPersistent() && !app.isolated) { |
| 2161 | if (!callerWillRestart) { |
| 2162 | willRestart = true; |
| 2163 | } else { |
| 2164 | needRestart = true; |
| 2165 | } |
| 2166 | } |
| 2167 | app.kill(reason, true); |
| 2168 | mService.handleAppDiedLocked(app, willRestart, allowRestart); |
| 2169 | if (willRestart) { |
| 2170 | removeLruProcessLocked(app); |
| 2171 | mService.addAppLocked(app.info, null, false, null /* ABI override */); |
| 2172 | } |
| 2173 | } else { |
| 2174 | mRemovedProcesses.add(app); |
| 2175 | } |
| 2176 | |
| 2177 | return needRestart; |
| 2178 | } |
| 2179 | |
| 2180 | @GuardedBy("mService") |
| 2181 | final void addProcessNameLocked(ProcessRecord proc) { |
| 2182 | // We shouldn't already have a process under this name, but just in case we |
| 2183 | // need to clean up whatever may be there now. |
| 2184 | ProcessRecord old = removeProcessNameLocked(proc.processName, proc.uid); |
| 2185 | if (old == proc && proc.isPersistent()) { |
| 2186 | // We are re-adding a persistent process. Whatevs! Just leave it there. |
| 2187 | Slog.w(TAG, "Re-adding persistent process " + proc); |
| 2188 | } else if (old != null) { |
| 2189 | Slog.wtf(TAG, "Already have existing proc " + old + " when adding " + proc); |
| 2190 | } |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 2191 | UidRecord uidRec = mActiveUids.get(proc.uid); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2192 | if (uidRec == null) { |
Wale Ogunwale | bff2df4 | 2018-10-18 17:09:19 -0700 | [diff] [blame] | 2193 | uidRec = new UidRecord(proc.uid, mService.mAtmInternal); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2194 | // This is the first appearance of the uid, report it now! |
| 2195 | if (DEBUG_UID_OBSERVERS) Slog.i(TAG_UID_OBSERVERS, |
| 2196 | "Creating new process uid: " + uidRec); |
| 2197 | if (Arrays.binarySearch(mService.mDeviceIdleTempWhitelist, |
| 2198 | UserHandle.getAppId(proc.uid)) >= 0 |
| 2199 | || mService.mPendingTempWhitelist.indexOfKey(proc.uid) >= 0) { |
| 2200 | uidRec.setWhitelist = uidRec.curWhitelist = true; |
| 2201 | } |
| 2202 | uidRec.updateHasInternetPermission(); |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 2203 | mActiveUids.put(proc.uid, uidRec); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2204 | EventLogTags.writeAmUidRunning(uidRec.uid); |
Wale Ogunwale | bff2df4 | 2018-10-18 17:09:19 -0700 | [diff] [blame] | 2205 | mService.noteUidProcessState(uidRec.uid, uidRec.getCurProcState()); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2206 | } |
| 2207 | proc.uidRecord = uidRec; |
| 2208 | |
| 2209 | // Reset render thread tid if it was already set, so new process can set it again. |
| 2210 | proc.renderThreadTid = 0; |
| 2211 | uidRec.numProcs++; |
| 2212 | mProcessNames.put(proc.processName, proc.uid, proc); |
| 2213 | if (proc.isolated) { |
| 2214 | mIsolatedProcesses.put(proc.uid, proc); |
| 2215 | } |
| 2216 | } |
| 2217 | |
| 2218 | @GuardedBy("mService") |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 2219 | private IsolatedUidRange getOrCreateIsolatedUidRangeLocked(ApplicationInfo info, |
| 2220 | boolean fromAppZygote) { |
| 2221 | if (!fromAppZygote) { |
| 2222 | // Allocate an isolated UID from the global range |
| 2223 | return mGlobalIsolatedUids; |
| 2224 | } else { |
| 2225 | return mAppIsolatedUidRangeAllocator.getOrCreateIsolatedUidRangeLocked(info); |
| 2226 | } |
| 2227 | } |
| 2228 | |
| 2229 | @GuardedBy("mService") |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2230 | final ProcessRecord newProcessRecordLocked(ApplicationInfo info, String customProcess, |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 2231 | boolean isolated, int isolatedUid, boolean fromAppZygote) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2232 | String proc = customProcess != null ? customProcess : info.processName; |
| 2233 | final int userId = UserHandle.getUserId(info.uid); |
| 2234 | int uid = info.uid; |
| 2235 | if (isolated) { |
| 2236 | if (isolatedUid == 0) { |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 2237 | IsolatedUidRange uidRange = getOrCreateIsolatedUidRangeLocked(info, fromAppZygote); |
| 2238 | if (uidRange == null) { |
| 2239 | return null; |
| 2240 | } |
| 2241 | uid = uidRange.allocateIsolatedUidLocked(userId); |
| 2242 | if (uid == -1) { |
| 2243 | return null; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2244 | } |
| 2245 | } else { |
| 2246 | // Special case for startIsolatedProcess (internal only), where |
| 2247 | // the uid of the isolated process is specified by the caller. |
| 2248 | uid = isolatedUid; |
| 2249 | } |
| 2250 | mService.getPackageManagerInternalLocked().addIsolatedUid(uid, info.uid); |
| 2251 | |
| 2252 | // Register the isolated UID with this application so BatteryStats knows to |
| 2253 | // attribute resource usage to the application. |
| 2254 | // |
| 2255 | // NOTE: This is done here before addProcessNameLocked, which will tell BatteryStats |
| 2256 | // about the process state of the isolated UID *before* it is registered with the |
| 2257 | // owning application. |
| 2258 | mService.mBatteryStatsService.addIsolatedUid(uid, info.uid); |
| 2259 | StatsLog.write(StatsLog.ISOLATED_UID_CHANGED, info.uid, uid, |
| 2260 | StatsLog.ISOLATED_UID_CHANGED__EVENT__CREATED); |
| 2261 | } |
Wale Ogunwale | 387b34c | 2018-10-25 19:59:40 -0700 | [diff] [blame] | 2262 | final ProcessRecord r = new ProcessRecord(mService, info, proc, uid); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2263 | |
| 2264 | if (!mService.mBooted && !mService.mBooting |
| 2265 | && userId == UserHandle.USER_SYSTEM |
| 2266 | && (info.flags & PERSISTENT_MASK) == PERSISTENT_MASK) { |
| 2267 | // The system process is initialized to SCHED_GROUP_DEFAULT in init.rc. |
| 2268 | r.setCurrentSchedulingGroup(ProcessList.SCHED_GROUP_DEFAULT); |
| 2269 | r.setSchedGroup = ProcessList.SCHED_GROUP_DEFAULT; |
| 2270 | r.setPersistent(true); |
| 2271 | r.maxAdj = ProcessList.PERSISTENT_PROC_ADJ; |
| 2272 | } |
| 2273 | if (isolated && isolatedUid != 0) { |
| 2274 | // Special case for startIsolatedProcess (internal only) - assume the process |
| 2275 | // is required by the system server to prevent it being killed. |
| 2276 | r.maxAdj = ProcessList.PERSISTENT_SERVICE_ADJ; |
| 2277 | } |
| 2278 | addProcessNameLocked(r); |
| 2279 | return r; |
| 2280 | } |
| 2281 | |
| 2282 | @GuardedBy("mService") |
| 2283 | final ProcessRecord removeProcessNameLocked(final String name, final int uid) { |
| 2284 | return removeProcessNameLocked(name, uid, null); |
| 2285 | } |
| 2286 | |
| 2287 | @GuardedBy("mService") |
| 2288 | final ProcessRecord removeProcessNameLocked(final String name, final int uid, |
| 2289 | final ProcessRecord expecting) { |
| 2290 | ProcessRecord old = mProcessNames.get(name, uid); |
| 2291 | // Only actually remove when the currently recorded value matches the |
| 2292 | // record that we expected; if it doesn't match then we raced with a |
| 2293 | // newly created process and we don't want to destroy the new one. |
| 2294 | if ((expecting == null) || (old == expecting)) { |
| 2295 | mProcessNames.remove(name, uid); |
| 2296 | } |
| 2297 | if (old != null && old.uidRecord != null) { |
| 2298 | old.uidRecord.numProcs--; |
| 2299 | if (old.uidRecord.numProcs == 0) { |
| 2300 | // No more processes using this uid, tell clients it is gone. |
| 2301 | if (DEBUG_UID_OBSERVERS) Slog.i(TAG_UID_OBSERVERS, |
| 2302 | "No more processes in " + old.uidRecord); |
| 2303 | mService.enqueueUidChangeLocked(old.uidRecord, -1, UidRecord.CHANGE_GONE); |
| 2304 | EventLogTags.writeAmUidStopped(uid); |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 2305 | mActiveUids.remove(uid); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2306 | mService.noteUidProcessState(uid, ActivityManager.PROCESS_STATE_NONEXISTENT); |
| 2307 | } |
| 2308 | old.uidRecord = null; |
| 2309 | } |
| 2310 | mIsolatedProcesses.remove(uid); |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 2311 | mGlobalIsolatedUids.freeIsolatedUidLocked(uid); |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 2312 | // Remove the (expected) ProcessRecord from the app zygote |
| 2313 | final ProcessRecord record = expecting != null ? expecting : old; |
Martijn Coenen | 01e719b | 2018-12-05 16:01:38 +0100 | [diff] [blame] | 2314 | if (record != null && record.appZygote) { |
Martijn Coenen | 7e6fa67 | 2018-11-05 11:45:26 +0100 | [diff] [blame] | 2315 | removeProcessFromAppZygoteLocked(record); |
| 2316 | } |
| 2317 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2318 | return old; |
| 2319 | } |
| 2320 | |
| 2321 | /** Call setCoreSettings on all LRU processes, with the new settings. */ |
| 2322 | @GuardedBy("mService") |
| 2323 | void updateCoreSettingsLocked(Bundle settings) { |
| 2324 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2325 | ProcessRecord processRecord = mLruProcesses.get(i); |
| 2326 | try { |
| 2327 | if (processRecord.thread != null) { |
| 2328 | processRecord.thread.setCoreSettings(settings); |
| 2329 | } |
| 2330 | } catch (RemoteException re) { |
| 2331 | /* ignore */ |
| 2332 | } |
| 2333 | } |
| 2334 | } |
| 2335 | |
| 2336 | /** |
| 2337 | * Kill all background processes except for ones with targetSdk lower than minTargetSdk and |
| 2338 | * procstate lower than maxProcState. |
| 2339 | * @param minTargetSdk |
| 2340 | * @param maxProcState |
| 2341 | */ |
| 2342 | @GuardedBy("mService") |
| 2343 | void killAllBackgroundProcessesExceptLocked(int minTargetSdk, int maxProcState) { |
| 2344 | final ArrayList<ProcessRecord> procs = new ArrayList<>(); |
| 2345 | final int NP = mProcessNames.getMap().size(); |
| 2346 | for (int ip = 0; ip < NP; ip++) { |
| 2347 | final SparseArray<ProcessRecord> apps = mProcessNames.getMap().valueAt(ip); |
| 2348 | final int NA = apps.size(); |
| 2349 | for (int ia = 0; ia < NA; ia++) { |
| 2350 | final ProcessRecord app = apps.valueAt(ia); |
| 2351 | if (app.removed) { |
| 2352 | procs.add(app); |
| 2353 | } else if ((minTargetSdk < 0 || app.info.targetSdkVersion < minTargetSdk) |
| 2354 | && (maxProcState < 0 || app.setProcState > maxProcState)) { |
| 2355 | app.removed = true; |
| 2356 | procs.add(app); |
| 2357 | } |
| 2358 | } |
| 2359 | } |
| 2360 | |
| 2361 | final int N = procs.size(); |
| 2362 | for (int i = 0; i < N; i++) { |
| 2363 | removeProcessLocked(procs.get(i), false, true, "kill all background except"); |
| 2364 | } |
| 2365 | } |
| 2366 | |
| 2367 | /** |
| 2368 | * Call updateTimePrefs on all LRU processes |
| 2369 | * @param timePref The time pref to pass to each process |
| 2370 | */ |
| 2371 | @GuardedBy("mService") |
| 2372 | void updateAllTimePrefsLocked(int timePref) { |
| 2373 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2374 | ProcessRecord r = mLruProcesses.get(i); |
| 2375 | if (r.thread != null) { |
| 2376 | try { |
| 2377 | r.thread.updateTimePrefs(timePref); |
| 2378 | } catch (RemoteException ex) { |
| 2379 | Slog.w(TAG, "Failed to update preferences for: " |
| 2380 | + r.info.processName); |
| 2381 | } |
| 2382 | } |
| 2383 | } |
| 2384 | } |
| 2385 | |
| 2386 | @GuardedBy("mService") |
| 2387 | void setAllHttpProxyLocked(String host, String port, String exclList, Uri pacFileUrl) { |
| 2388 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2389 | ProcessRecord r = mLruProcesses.get(i); |
| 2390 | // Don't dispatch to isolated processes as they can't access |
| 2391 | // ConnectivityManager and don't have network privileges anyway. |
| 2392 | if (r.thread != null && !r.isolated) { |
| 2393 | try { |
| 2394 | r.thread.setHttpProxy(host, port, exclList, pacFileUrl); |
| 2395 | } catch (RemoteException ex) { |
| 2396 | Slog.w(TAG, "Failed to update http proxy for: " + |
| 2397 | r.info.processName); |
| 2398 | } |
| 2399 | } |
| 2400 | } |
| 2401 | } |
| 2402 | |
| 2403 | @GuardedBy("mService") |
| 2404 | void clearAllDnsCacheLocked() { |
| 2405 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2406 | ProcessRecord r = mLruProcesses.get(i); |
| 2407 | if (r.thread != null) { |
| 2408 | try { |
| 2409 | r.thread.clearDnsCache(); |
| 2410 | } catch (RemoteException ex) { |
| 2411 | Slog.w(TAG, "Failed to clear dns cache for: " + r.info.processName); |
| 2412 | } |
| 2413 | } |
| 2414 | } |
| 2415 | } |
| 2416 | |
| 2417 | @GuardedBy("mService") |
| 2418 | void handleAllTrustStorageUpdateLocked() { |
| 2419 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2420 | ProcessRecord r = mLruProcesses.get(i); |
| 2421 | if (r.thread != null) { |
| 2422 | try { |
| 2423 | r.thread.handleTrustStorageUpdate(); |
| 2424 | } catch (RemoteException ex) { |
| 2425 | Slog.w(TAG, "Failed to handle trust storage update for: " + |
| 2426 | r.info.processName); |
| 2427 | } |
| 2428 | } |
| 2429 | } |
| 2430 | } |
| 2431 | |
| 2432 | @GuardedBy("mService") |
| 2433 | int updateLruProcessInternalLocked(ProcessRecord app, long now, int index, |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2434 | int lruSeq, String what, Object obj, ProcessRecord srcApp) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2435 | app.lastActivityTime = now; |
| 2436 | |
| 2437 | if (app.hasActivitiesOrRecentTasks()) { |
| 2438 | // Don't want to touch dependent processes that are hosting activities. |
| 2439 | return index; |
| 2440 | } |
| 2441 | |
| 2442 | int lrui = mLruProcesses.lastIndexOf(app); |
| 2443 | if (lrui < 0) { |
| 2444 | Slog.wtf(TAG, "Adding dependent process " + app + " not on LRU list: " |
| 2445 | + what + " " + obj + " from " + srcApp); |
| 2446 | return index; |
| 2447 | } |
| 2448 | |
| 2449 | if (lrui >= index) { |
| 2450 | // Don't want to cause this to move dependent processes *back* in the |
| 2451 | // list as if they were less frequently used. |
| 2452 | return index; |
| 2453 | } |
| 2454 | |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2455 | if (lrui >= mLruProcessActivityStart && index < mLruProcessActivityStart) { |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2456 | // Don't want to touch dependent processes that are hosting activities. |
| 2457 | return index; |
| 2458 | } |
| 2459 | |
| 2460 | mLruProcesses.remove(lrui); |
| 2461 | if (index > 0) { |
| 2462 | index--; |
| 2463 | } |
| 2464 | if (DEBUG_LRU) Slog.d(TAG_LRU, "Moving dep from " + lrui + " to " + index |
| 2465 | + " in LRU list: " + app); |
| 2466 | mLruProcesses.add(index, app); |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2467 | app.lruSeq = lruSeq; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2468 | return index; |
| 2469 | } |
| 2470 | |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 2471 | /** |
| 2472 | * Handle the case where we are inserting a process hosting client activities: |
| 2473 | * Make sure any groups have their order match their importance, and take care of |
| 2474 | * distributing old clients across other activity processes so they can't spam |
| 2475 | * the LRU list. Processing of the list will be restricted by the indices provided, |
| 2476 | * and not extend out of them. |
| 2477 | * |
| 2478 | * @param topApp The app at the top that has just been inserted in to the list. |
| 2479 | * @param topI The position in the list where topApp was inserted; this is the start (at the |
| 2480 | * top) where we are going to do our processing. |
| 2481 | * @param bottomI The last position at which we will be processing; this is the end position |
| 2482 | * of whichever section of the LRU list we are in. Nothing past it will be |
| 2483 | * touched. |
| 2484 | * @param endIndex The current end of the top being processed. Typically topI - 1. That is, |
| 2485 | * where we are going to start potentially adjusting other entries in the list. |
| 2486 | */ |
| 2487 | private void updateClientActivitiesOrdering(final ProcessRecord topApp, final int topI, |
| 2488 | final int bottomI, int endIndex) { |
| 2489 | if (topApp.hasActivitiesOrRecentTasks() || topApp.treatLikeActivity |
| 2490 | || !topApp.hasClientActivities()) { |
| 2491 | // If this is not a special process that has client activities, then there is |
| 2492 | // nothing to do. |
| 2493 | return; |
| 2494 | } |
| 2495 | |
| 2496 | final int uid = topApp.info.uid; |
| 2497 | if (topApp.connectionGroup > 0) { |
| 2498 | int endImportance = topApp.connectionImportance; |
| 2499 | for (int i = endIndex; i >= bottomI; i--) { |
| 2500 | final ProcessRecord subProc = mLruProcesses.get(i); |
| 2501 | if (subProc.info.uid == uid |
| 2502 | && subProc.connectionGroup == topApp.connectionGroup) { |
| 2503 | if (i == endIndex && subProc.connectionImportance >= endImportance) { |
| 2504 | // This process is already in the group, and its importance |
| 2505 | // is not as strong as the process before it, so keep it |
| 2506 | // correctly positioned in the group. |
| 2507 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2508 | "Keeping in-place above " + subProc |
| 2509 | + " endImportance=" + endImportance |
| 2510 | + " group=" + subProc.connectionGroup |
| 2511 | + " importance=" + subProc.connectionImportance); |
| 2512 | endIndex--; |
| 2513 | endImportance = subProc.connectionImportance; |
| 2514 | } else { |
| 2515 | // We want to pull this up to be with the rest of the group, |
| 2516 | // and order within the group by importance. |
| 2517 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2518 | "Pulling up " + subProc |
| 2519 | + " to position in group with importance=" |
| 2520 | + subProc.connectionImportance); |
| 2521 | boolean moved = false; |
| 2522 | for (int pos = topI; pos > endIndex; pos--) { |
| 2523 | final ProcessRecord posProc = mLruProcesses.get(pos); |
| 2524 | if (subProc.connectionImportance |
| 2525 | <= posProc.connectionImportance) { |
| 2526 | mLruProcesses.remove(i); |
| 2527 | mLruProcesses.add(pos, subProc); |
| 2528 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2529 | "Moving " + subProc |
| 2530 | + " from position " + i + " to above " + posProc |
| 2531 | + " @ " + pos); |
| 2532 | moved = true; |
| 2533 | endIndex--; |
| 2534 | break; |
| 2535 | } |
| 2536 | } |
| 2537 | if (!moved) { |
| 2538 | // Goes to the end of the group. |
| 2539 | mLruProcesses.remove(i); |
| 2540 | mLruProcesses.add(endIndex - 1, subProc); |
| 2541 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2542 | "Moving " + subProc |
| 2543 | + " from position " + i + " to end of group @ " |
| 2544 | + endIndex); |
| 2545 | endIndex--; |
| 2546 | endImportance = subProc.connectionImportance; |
| 2547 | } |
| 2548 | } |
| 2549 | } |
| 2550 | } |
| 2551 | |
| 2552 | } |
| 2553 | // To keep it from spamming the LRU list (by making a bunch of clients), |
| 2554 | // we will distribute other entries owned by it to be in-between other apps. |
| 2555 | int i = endIndex; |
| 2556 | while (i >= bottomI) { |
| 2557 | ProcessRecord subProc = mLruProcesses.get(i); |
| 2558 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2559 | "Looking to spread old procs, at " + subProc + " @ " + i); |
| 2560 | if (subProc.info.uid != uid) { |
| 2561 | // This is a different app... if we have gone through some of the |
| 2562 | // target app, pull this up to be before them. We want to pull up |
| 2563 | // one activity process, but any number of non-activity processes. |
| 2564 | if (i < endIndex) { |
| 2565 | boolean hasActivity = false; |
| 2566 | int connUid = 0; |
| 2567 | int connGroup = 0; |
| 2568 | while (i >= bottomI) { |
| 2569 | mLruProcesses.remove(i); |
| 2570 | mLruProcesses.add(endIndex, subProc); |
| 2571 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2572 | "Different app, moving to " + endIndex); |
| 2573 | i--; |
| 2574 | if (i < bottomI) { |
| 2575 | break; |
| 2576 | } |
| 2577 | subProc = mLruProcesses.get(i); |
| 2578 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2579 | "Looking at next app at " + i + ": " + subProc); |
| 2580 | if (subProc.hasActivitiesOrRecentTasks() || subProc.treatLikeActivity) { |
| 2581 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2582 | "This is hosting an activity!"); |
| 2583 | if (hasActivity) { |
| 2584 | // Already found an activity, done. |
| 2585 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2586 | "Already found an activity, done"); |
| 2587 | break; |
| 2588 | } |
| 2589 | hasActivity = true; |
| 2590 | } else if (subProc.hasClientActivities()) { |
| 2591 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2592 | "This is a client of an activity"); |
| 2593 | if (hasActivity) { |
| 2594 | if (connUid == 0 || connUid != subProc.info.uid) { |
| 2595 | // Already have an activity that is not from from a client |
| 2596 | // connection or is a different client connection, done. |
| 2597 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2598 | "Already found a different activity: connUid=" |
| 2599 | + connUid + " uid=" + subProc.info.uid); |
| 2600 | break; |
| 2601 | } else if (connGroup == 0 || connGroup != subProc.connectionGroup) { |
| 2602 | // Previously saw a different group or not from a group, |
| 2603 | // want to treat these as different things. |
| 2604 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2605 | "Already found a different group: connGroup=" |
| 2606 | + connGroup + " group=" + subProc.connectionGroup); |
| 2607 | break; |
| 2608 | } |
| 2609 | } else { |
| 2610 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2611 | "This is an activity client! uid=" |
| 2612 | + subProc.info.uid + " group=" + subProc.connectionGroup); |
| 2613 | hasActivity = true; |
| 2614 | connUid = subProc.info.uid; |
| 2615 | connGroup = subProc.connectionGroup; |
| 2616 | } |
| 2617 | } |
| 2618 | endIndex--; |
| 2619 | } |
| 2620 | } |
| 2621 | // Find the end of the next group of processes for target app. This |
| 2622 | // is after any entries of different apps (so we don't change the existing |
| 2623 | // relative order of apps) and then after the next last group of processes |
| 2624 | // of the target app. |
| 2625 | for (endIndex--; endIndex >= bottomI; endIndex--) { |
| 2626 | final ProcessRecord endProc = mLruProcesses.get(endIndex); |
| 2627 | if (endProc.info.uid == uid) { |
| 2628 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2629 | "Found next group of app: " + endProc + " @ " |
| 2630 | + endIndex); |
| 2631 | break; |
| 2632 | } |
| 2633 | } |
| 2634 | if (endIndex >= bottomI) { |
| 2635 | final ProcessRecord endProc = mLruProcesses.get(endIndex); |
| 2636 | for (endIndex--; endIndex >= bottomI; endIndex--) { |
| 2637 | final ProcessRecord nextEndProc = mLruProcesses.get(endIndex); |
| 2638 | if (nextEndProc.info.uid != uid |
| 2639 | || nextEndProc.connectionGroup != endProc.connectionGroup) { |
| 2640 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2641 | "Found next group or app: " + nextEndProc + " @ " |
| 2642 | + endIndex + " group=" + nextEndProc.connectionGroup); |
| 2643 | break; |
| 2644 | } |
| 2645 | } |
| 2646 | } |
| 2647 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
| 2648 | "Bumping scan position to " + endIndex); |
| 2649 | i = endIndex; |
| 2650 | } else { |
| 2651 | i--; |
| 2652 | } |
| 2653 | } |
| 2654 | } |
| 2655 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2656 | final void updateLruProcessLocked(ProcessRecord app, boolean activityChange, |
| 2657 | ProcessRecord client) { |
| 2658 | final boolean hasActivity = app.hasActivitiesOrRecentTasks() || app.hasClientActivities() |
| 2659 | || app.treatLikeActivity; |
| 2660 | final boolean hasService = false; // not impl yet. app.services.size() > 0; |
| 2661 | if (!activityChange && hasActivity) { |
| 2662 | // The process has activities, so we are only allowing activity-based adjustments |
| 2663 | // to move it. It should be kept in the front of the list with other |
| 2664 | // processes that have activities, and we don't want those to change their |
| 2665 | // order except due to activity operations. |
| 2666 | return; |
| 2667 | } |
| 2668 | |
| 2669 | mLruSeq++; |
| 2670 | final long now = SystemClock.uptimeMillis(); |
| 2671 | app.lastActivityTime = now; |
| 2672 | |
| 2673 | // First a quick reject: if the app is already at the position we will |
| 2674 | // put it, then there is nothing to do. |
| 2675 | if (hasActivity) { |
| 2676 | final int N = mLruProcesses.size(); |
| 2677 | if (N > 0 && mLruProcesses.get(N - 1) == app) { |
| 2678 | if (DEBUG_LRU) Slog.d(TAG_LRU, "Not moving, already top activity: " + app); |
| 2679 | return; |
| 2680 | } |
| 2681 | } else { |
| 2682 | if (mLruProcessServiceStart > 0 |
| 2683 | && mLruProcesses.get(mLruProcessServiceStart-1) == app) { |
| 2684 | if (DEBUG_LRU) Slog.d(TAG_LRU, "Not moving, already top other: " + app); |
| 2685 | return; |
| 2686 | } |
| 2687 | } |
| 2688 | |
| 2689 | int lrui = mLruProcesses.lastIndexOf(app); |
| 2690 | |
| 2691 | if (app.isPersistent() && lrui >= 0) { |
| 2692 | // We don't care about the position of persistent processes, as long as |
| 2693 | // they are in the list. |
| 2694 | if (DEBUG_LRU) Slog.d(TAG_LRU, "Not moving, persistent: " + app); |
| 2695 | return; |
| 2696 | } |
| 2697 | |
| 2698 | /* In progress: compute new position first, so we can avoid doing work |
| 2699 | if the process is not actually going to move. Not yet working. |
| 2700 | int addIndex; |
| 2701 | int nextIndex; |
| 2702 | boolean inActivity = false, inService = false; |
| 2703 | if (hasActivity) { |
| 2704 | // Process has activities, put it at the very tipsy-top. |
| 2705 | addIndex = mLruProcesses.size(); |
| 2706 | nextIndex = mLruProcessServiceStart; |
| 2707 | inActivity = true; |
| 2708 | } else if (hasService) { |
| 2709 | // Process has services, put it at the top of the service list. |
| 2710 | addIndex = mLruProcessActivityStart; |
| 2711 | nextIndex = mLruProcessServiceStart; |
| 2712 | inActivity = true; |
| 2713 | inService = true; |
| 2714 | } else { |
| 2715 | // Process not otherwise of interest, it goes to the top of the non-service area. |
| 2716 | addIndex = mLruProcessServiceStart; |
| 2717 | if (client != null) { |
| 2718 | int clientIndex = mLruProcesses.lastIndexOf(client); |
| 2719 | if (clientIndex < 0) Slog.d(TAG, "Unknown client " + client + " when updating " |
| 2720 | + app); |
| 2721 | if (clientIndex >= 0 && addIndex > clientIndex) { |
| 2722 | addIndex = clientIndex; |
| 2723 | } |
| 2724 | } |
| 2725 | nextIndex = addIndex > 0 ? addIndex-1 : addIndex; |
| 2726 | } |
| 2727 | |
| 2728 | Slog.d(TAG, "Update LRU at " + lrui + " to " + addIndex + " (act=" |
| 2729 | + mLruProcessActivityStart + "): " + app); |
| 2730 | */ |
| 2731 | |
| 2732 | if (lrui >= 0) { |
| 2733 | if (lrui < mLruProcessActivityStart) { |
| 2734 | mLruProcessActivityStart--; |
| 2735 | } |
| 2736 | if (lrui < mLruProcessServiceStart) { |
| 2737 | mLruProcessServiceStart--; |
| 2738 | } |
| 2739 | /* |
| 2740 | if (addIndex > lrui) { |
| 2741 | addIndex--; |
| 2742 | } |
| 2743 | if (nextIndex > lrui) { |
| 2744 | nextIndex--; |
| 2745 | } |
| 2746 | */ |
| 2747 | mLruProcesses.remove(lrui); |
| 2748 | } |
| 2749 | |
| 2750 | /* |
| 2751 | mLruProcesses.add(addIndex, app); |
| 2752 | if (inActivity) { |
| 2753 | mLruProcessActivityStart++; |
| 2754 | } |
| 2755 | if (inService) { |
| 2756 | mLruProcessActivityStart++; |
| 2757 | } |
| 2758 | */ |
| 2759 | |
| 2760 | int nextIndex; |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2761 | int nextActivityIndex = -1; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2762 | if (hasActivity) { |
| 2763 | final int N = mLruProcesses.size(); |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2764 | nextIndex = mLruProcessServiceStart; |
| 2765 | if (!app.hasActivitiesOrRecentTasks() && !app.treatLikeActivity |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2766 | && mLruProcessActivityStart < (N - 1)) { |
| 2767 | // Process doesn't have activities, but has clients with |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 2768 | // activities... move it up, but below the app that is binding to it. |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2769 | if (DEBUG_LRU) Slog.d(TAG_LRU, |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 2770 | "Adding to second-top of LRU activity list: " + app |
| 2771 | + " group=" + app.connectionGroup |
| 2772 | + " importance=" + app.connectionImportance); |
| 2773 | int pos = N - 1; |
| 2774 | while (pos > mLruProcessActivityStart) { |
| 2775 | final ProcessRecord posproc = mLruProcesses.get(pos); |
| 2776 | if (posproc.info.uid == app.info.uid) { |
| 2777 | // Technically this app could have multiple processes with different |
| 2778 | // activities and so we should be looking for the actual process that |
| 2779 | // is bound to the target proc... but I don't really care, do you? |
| 2780 | break; |
| 2781 | } |
| 2782 | pos--; |
| 2783 | } |
| 2784 | mLruProcesses.add(pos, app); |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2785 | // If this process is part of a group, need to pull up any other processes |
| 2786 | // in that group to be with it. |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 2787 | int endIndex = pos - 1; |
| 2788 | if (endIndex < mLruProcessActivityStart) { |
| 2789 | endIndex = mLruProcessActivityStart; |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2790 | } |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 2791 | nextActivityIndex = endIndex; |
| 2792 | updateClientActivitiesOrdering(app, pos, mLruProcessActivityStart, endIndex); |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2793 | } else { |
| 2794 | // Process has activities, put it at the very tipsy-top. |
| 2795 | if (DEBUG_LRU) Slog.d(TAG_LRU, "Adding to top of LRU activity list: " + app); |
| 2796 | mLruProcesses.add(app); |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2797 | nextActivityIndex = mLruProcesses.size() - 1; |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2798 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2799 | } else if (hasService) { |
| 2800 | // Process has services, put it at the top of the service list. |
| 2801 | if (DEBUG_LRU) Slog.d(TAG_LRU, "Adding to top of LRU service list: " + app); |
| 2802 | mLruProcesses.add(mLruProcessActivityStart, app); |
| 2803 | nextIndex = mLruProcessServiceStart; |
| 2804 | mLruProcessActivityStart++; |
| 2805 | } else { |
| 2806 | // Process not otherwise of interest, it goes to the top of the non-service area. |
| 2807 | int index = mLruProcessServiceStart; |
| 2808 | if (client != null) { |
| 2809 | // If there is a client, don't allow the process to be moved up higher |
| 2810 | // in the list than that client. |
| 2811 | int clientIndex = mLruProcesses.lastIndexOf(client); |
| 2812 | if (DEBUG_LRU && clientIndex < 0) Slog.d(TAG_LRU, "Unknown client " + client |
| 2813 | + " when updating " + app); |
| 2814 | if (clientIndex <= lrui) { |
| 2815 | // Don't allow the client index restriction to push it down farther in the |
| 2816 | // list than it already is. |
| 2817 | clientIndex = lrui; |
| 2818 | } |
| 2819 | if (clientIndex >= 0 && index > clientIndex) { |
| 2820 | index = clientIndex; |
| 2821 | } |
| 2822 | } |
| 2823 | if (DEBUG_LRU) Slog.d(TAG_LRU, "Adding at " + index + " of LRU list: " + app); |
| 2824 | mLruProcesses.add(index, app); |
| 2825 | nextIndex = index - 1; |
| 2826 | mLruProcessActivityStart++; |
| 2827 | mLruProcessServiceStart++; |
Dianne Hackborn | 2f55e5a | 2018-11-30 16:31:31 -0800 | [diff] [blame] | 2828 | if (index > 1) { |
| 2829 | updateClientActivitiesOrdering(app, mLruProcessServiceStart - 1, 0, index - 1); |
| 2830 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2831 | } |
| 2832 | |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2833 | app.lruSeq = mLruSeq; |
| 2834 | |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2835 | // If the app is currently using a content provider or service, |
| 2836 | // bump those processes as well. |
| 2837 | for (int j = app.connections.size() - 1; j >= 0; j--) { |
| 2838 | ConnectionRecord cr = app.connections.valueAt(j); |
| 2839 | if (cr.binding != null && !cr.serviceDead && cr.binding.service != null |
| 2840 | && cr.binding.service.app != null |
| 2841 | && cr.binding.service.app.lruSeq != mLruSeq |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2842 | && (cr.flags & Context.BIND_REDUCTION_FLAGS) == 0 |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2843 | && !cr.binding.service.app.isPersistent()) { |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2844 | if (cr.binding.service.app.hasClientActivities()) { |
| 2845 | if (nextActivityIndex >= 0) { |
| 2846 | nextActivityIndex = updateLruProcessInternalLocked(cr.binding.service.app, |
| 2847 | now, |
| 2848 | nextActivityIndex, mLruSeq, |
| 2849 | "service connection", cr, app); |
| 2850 | } |
| 2851 | } else { |
| 2852 | nextIndex = updateLruProcessInternalLocked(cr.binding.service.app, |
| 2853 | now, |
| 2854 | nextIndex, mLruSeq, |
| 2855 | "service connection", cr, app); |
| 2856 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2857 | } |
| 2858 | } |
| 2859 | for (int j = app.conProviders.size() - 1; j >= 0; j--) { |
| 2860 | ContentProviderRecord cpr = app.conProviders.get(j).provider; |
| 2861 | if (cpr.proc != null && cpr.proc.lruSeq != mLruSeq && !cpr.proc.isPersistent()) { |
Dianne Hackborn | a631d56 | 2018-11-20 15:58:15 -0800 | [diff] [blame] | 2862 | nextIndex = updateLruProcessInternalLocked(cpr.proc, now, nextIndex, mLruSeq, |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2863 | "provider reference", cpr, app); |
| 2864 | } |
| 2865 | } |
| 2866 | } |
| 2867 | |
| 2868 | final ProcessRecord getLRURecordForAppLocked(IApplicationThread thread) { |
| 2869 | final IBinder threadBinder = thread.asBinder(); |
| 2870 | // Find the application record. |
| 2871 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2872 | final ProcessRecord rec = mLruProcesses.get(i); |
| 2873 | if (rec.thread != null && rec.thread.asBinder() == threadBinder) { |
| 2874 | return rec; |
| 2875 | } |
| 2876 | } |
| 2877 | return null; |
| 2878 | } |
| 2879 | |
| 2880 | boolean haveBackgroundProcessLocked() { |
| 2881 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2882 | final ProcessRecord rec = mLruProcesses.get(i); |
| 2883 | if (rec.thread != null |
| 2884 | && rec.setProcState >= PROCESS_STATE_CACHED_ACTIVITY) { |
| 2885 | return true; |
| 2886 | } |
| 2887 | } |
| 2888 | return false; |
| 2889 | } |
| 2890 | |
| 2891 | private static int procStateToImportance(int procState, int memAdj, |
| 2892 | ActivityManager.RunningAppProcessInfo currApp, |
| 2893 | int clientTargetSdk) { |
| 2894 | int imp = ActivityManager.RunningAppProcessInfo.procStateToImportanceForTargetSdk( |
| 2895 | procState, clientTargetSdk); |
| 2896 | if (imp == ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) { |
| 2897 | currApp.lru = memAdj; |
| 2898 | } else { |
| 2899 | currApp.lru = 0; |
| 2900 | } |
| 2901 | return imp; |
| 2902 | } |
| 2903 | |
| 2904 | @GuardedBy("mService") |
| 2905 | void fillInProcMemInfoLocked(ProcessRecord app, |
| 2906 | ActivityManager.RunningAppProcessInfo outInfo, |
| 2907 | int clientTargetSdk) { |
| 2908 | outInfo.pid = app.pid; |
| 2909 | outInfo.uid = app.info.uid; |
| 2910 | if (mService.mAtmInternal.isHeavyWeightProcess(app.getWindowProcessController())) { |
| 2911 | outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE; |
| 2912 | } |
| 2913 | if (app.isPersistent()) { |
| 2914 | outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_PERSISTENT; |
| 2915 | } |
| 2916 | if (app.hasActivities()) { |
| 2917 | outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HAS_ACTIVITIES; |
| 2918 | } |
| 2919 | outInfo.lastTrimLevel = app.trimMemoryLevel; |
| 2920 | int adj = app.curAdj; |
| 2921 | int procState = app.getCurProcState(); |
| 2922 | outInfo.importance = procStateToImportance(procState, adj, outInfo, |
| 2923 | clientTargetSdk); |
| 2924 | outInfo.importanceReasonCode = app.adjTypeCode; |
| 2925 | outInfo.processState = app.getCurProcState(); |
| 2926 | outInfo.isFocused = (app == mService.getTopAppLocked()); |
| 2927 | outInfo.lastActivityTime = app.lastActivityTime; |
| 2928 | } |
| 2929 | |
| 2930 | @GuardedBy("mService") |
| 2931 | List<ActivityManager.RunningAppProcessInfo> getRunningAppProcessesLocked(boolean allUsers, |
| 2932 | int userId, boolean allUids, int callingUid, int clientTargetSdk) { |
| 2933 | // Lazy instantiation of list |
| 2934 | List<ActivityManager.RunningAppProcessInfo> runList = null; |
| 2935 | |
| 2936 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 2937 | ProcessRecord app = mLruProcesses.get(i); |
| 2938 | if ((!allUsers && app.userId != userId) |
| 2939 | || (!allUids && app.uid != callingUid)) { |
| 2940 | continue; |
| 2941 | } |
| 2942 | if ((app.thread != null) && (!app.isCrashing() && !app.isNotResponding())) { |
| 2943 | // Generate process state info for running application |
| 2944 | ActivityManager.RunningAppProcessInfo currApp = |
| 2945 | new ActivityManager.RunningAppProcessInfo(app.processName, |
| 2946 | app.pid, app.getPackageList()); |
| 2947 | fillInProcMemInfoLocked(app, currApp, clientTargetSdk); |
| 2948 | if (app.adjSource instanceof ProcessRecord) { |
| 2949 | currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid; |
| 2950 | currApp.importanceReasonImportance = |
| 2951 | ActivityManager.RunningAppProcessInfo.procStateToImportance( |
| 2952 | app.adjSourceProcState); |
Wale Ogunwale | 5950709 | 2018-10-29 09:00:30 -0700 | [diff] [blame] | 2953 | } else if (app.adjSource instanceof ActivityServiceConnectionsHolder) { |
| 2954 | final ActivityServiceConnectionsHolder r = |
| 2955 | (ActivityServiceConnectionsHolder) app.adjSource; |
| 2956 | final int pid = r.getActivityPid(); |
| 2957 | if (pid != -1) { |
| 2958 | currApp.importanceReasonPid = pid; |
| 2959 | } |
Amith Yamasani | 98a0092 | 2018-08-21 12:50:30 -0400 | [diff] [blame] | 2960 | } |
| 2961 | if (app.adjTarget instanceof ComponentName) { |
| 2962 | currApp.importanceReasonComponent = (ComponentName)app.adjTarget; |
| 2963 | } |
| 2964 | //Slog.v(TAG, "Proc " + app.processName + ": imp=" + currApp.importance |
| 2965 | // + " lru=" + currApp.lru); |
| 2966 | if (runList == null) { |
| 2967 | runList = new ArrayList<>(); |
| 2968 | } |
| 2969 | runList.add(currApp); |
| 2970 | } |
| 2971 | } |
| 2972 | return runList; |
| 2973 | } |
| 2974 | |
| 2975 | @GuardedBy("mService") |
| 2976 | int getLruSizeLocked() { |
| 2977 | return mLruProcesses.size(); |
| 2978 | } |
| 2979 | |
| 2980 | @GuardedBy("mService") |
| 2981 | void dumpLruListHeaderLocked(PrintWriter pw) { |
| 2982 | pw.print(" Process LRU list (sorted by oom_adj, "); pw.print(mLruProcesses.size()); |
| 2983 | pw.print(" total, non-act at "); |
| 2984 | pw.print(mLruProcesses.size() - mLruProcessActivityStart); |
| 2985 | pw.print(", non-svc at "); |
| 2986 | pw.print(mLruProcesses.size() - mLruProcessServiceStart); |
| 2987 | pw.println("):"); |
| 2988 | } |
| 2989 | |
| 2990 | @GuardedBy("mService") |
| 2991 | ArrayList<ProcessRecord> collectProcessesLocked(int start, boolean allPkgs, String[] args) { |
| 2992 | ArrayList<ProcessRecord> procs; |
| 2993 | if (args != null && args.length > start |
| 2994 | && args[start].charAt(0) != '-') { |
| 2995 | procs = new ArrayList<ProcessRecord>(); |
| 2996 | int pid = -1; |
| 2997 | try { |
| 2998 | pid = Integer.parseInt(args[start]); |
| 2999 | } catch (NumberFormatException e) { |
| 3000 | } |
| 3001 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 3002 | ProcessRecord proc = mLruProcesses.get(i); |
| 3003 | if (proc.pid > 0 && proc.pid == pid) { |
| 3004 | procs.add(proc); |
| 3005 | } else if (allPkgs && proc.pkgList != null |
| 3006 | && proc.pkgList.containsKey(args[start])) { |
| 3007 | procs.add(proc); |
| 3008 | } else if (proc.processName.equals(args[start])) { |
| 3009 | procs.add(proc); |
| 3010 | } |
| 3011 | } |
| 3012 | if (procs.size() <= 0) { |
| 3013 | return null; |
| 3014 | } |
| 3015 | } else { |
| 3016 | procs = new ArrayList<ProcessRecord>(mLruProcesses); |
| 3017 | } |
| 3018 | return procs; |
| 3019 | } |
| 3020 | |
| 3021 | @GuardedBy("mService") |
| 3022 | void updateApplicationInfoLocked(List<String> packagesToUpdate, int userId, |
| 3023 | boolean updateFrameworkRes) { |
| 3024 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 3025 | final ProcessRecord app = mLruProcesses.get(i); |
| 3026 | if (app.thread == null) { |
| 3027 | continue; |
| 3028 | } |
| 3029 | |
| 3030 | if (userId != UserHandle.USER_ALL && app.userId != userId) { |
| 3031 | continue; |
| 3032 | } |
| 3033 | |
| 3034 | final int packageCount = app.pkgList.size(); |
| 3035 | for (int j = 0; j < packageCount; j++) { |
| 3036 | final String packageName = app.pkgList.keyAt(j); |
| 3037 | if (updateFrameworkRes || packagesToUpdate.contains(packageName)) { |
| 3038 | try { |
| 3039 | final ApplicationInfo ai = AppGlobals.getPackageManager() |
| 3040 | .getApplicationInfo(packageName, STOCK_PM_FLAGS, app.userId); |
| 3041 | if (ai != null) { |
| 3042 | app.thread.scheduleApplicationInfoChanged(ai); |
| 3043 | } |
| 3044 | } catch (RemoteException e) { |
| 3045 | Slog.w(TAG, String.format("Failed to update %s ApplicationInfo for %s", |
| 3046 | packageName, app)); |
| 3047 | } |
| 3048 | } |
| 3049 | } |
| 3050 | } |
| 3051 | } |
| 3052 | |
| 3053 | @GuardedBy("mService") |
| 3054 | void sendPackageBroadcastLocked(int cmd, String[] packages, int userId) { |
| 3055 | for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| 3056 | ProcessRecord r = mLruProcesses.get(i); |
| 3057 | if (r.thread != null && (userId == UserHandle.USER_ALL || r.userId == userId)) { |
| 3058 | try { |
| 3059 | r.thread.dispatchPackageBroadcast(cmd, packages); |
| 3060 | } catch (RemoteException ex) { |
| 3061 | } |
| 3062 | } |
| 3063 | } |
| 3064 | } |
Amith Yamasani | aa74644 | 2019-01-10 10:09:12 -0800 | [diff] [blame] | 3065 | |
| 3066 | /** Returns the uid's process state or PROCESS_STATE_NONEXISTENT if not running */ |
| 3067 | @GuardedBy("mService") |
| 3068 | int getUidProcStateLocked(int uid) { |
| 3069 | UidRecord uidRec = mActiveUids.get(uid); |
| 3070 | return uidRec == null ? PROCESS_STATE_NONEXISTENT : uidRec.getCurProcState(); |
| 3071 | } |
| 3072 | |
| 3073 | /** Returns the UidRecord for the given uid, if it exists. */ |
| 3074 | @GuardedBy("mService") |
| 3075 | UidRecord getUidRecordLocked(int uid) { |
| 3076 | return mActiveUids.get(uid); |
| 3077 | } |
| 3078 | |
| 3079 | /** |
| 3080 | * Call {@link ActivityManagerService#doStopUidLocked} |
| 3081 | * (which will also stop background services) for all idle UIDs. |
| 3082 | */ |
| 3083 | @GuardedBy("mService") |
| 3084 | void doStopUidForIdleUidsLocked() { |
| 3085 | final int size = mActiveUids.size(); |
| 3086 | for (int i = 0; i < size; i++) { |
| 3087 | final int uid = mActiveUids.keyAt(i); |
| 3088 | if (UserHandle.isCore(uid)) { |
| 3089 | continue; |
| 3090 | } |
| 3091 | final UidRecord uidRec = mActiveUids.valueAt(i); |
| 3092 | if (!uidRec.idle) { |
| 3093 | continue; |
| 3094 | } |
| 3095 | mService.doStopUidLocked(uidRec.uid, uidRec); |
| 3096 | } |
| 3097 | } |
Dianne Hackborn | 7d60842 | 2011-08-07 16:24:18 -0700 | [diff] [blame] | 3098 | } |