Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | |
Michal Karpinski | 8596ded | 2018-11-14 14:43:48 +0000 | [diff] [blame] | 19 | import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_POWER_QUICK; |
| 20 | |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 21 | import android.app.ActivityThread; |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 22 | import android.content.ContentResolver; |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 23 | import android.content.Context; |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 24 | import android.database.ContentObserver; |
| 25 | import android.net.Uri; |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 26 | import android.os.Build; |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 27 | import android.os.Handler; |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 28 | import android.provider.DeviceConfig; |
| 29 | import android.provider.DeviceConfig.OnPropertyChangedListener; |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 30 | import android.provider.Settings; |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 31 | import android.text.TextUtils; |
Michal Karpinski | 666631b | 2019-02-26 16:59:11 +0000 | [diff] [blame] | 32 | import android.text.TextUtils.SimpleStringSplitter; |
| 33 | import android.util.ArraySet; |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 34 | import android.util.KeyValueListParser; |
| 35 | import android.util.Slog; |
| 36 | |
| 37 | import java.io.PrintWriter; |
| 38 | |
| 39 | /** |
| 40 | * Settings constants that can modify the activity manager's behavior. |
| 41 | */ |
| 42 | final class ActivityManagerConstants extends ContentObserver { |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 43 | private static final String TAG = "ActivityManagerConstants"; |
Amith Yamasani | b0c8a88 | 2017-08-28 09:36:42 -0700 | [diff] [blame] | 44 | |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 45 | // Key names stored in the settings value. |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 46 | private static final String KEY_BACKGROUND_SETTLE_TIME = "background_settle_time"; |
Dianne Hackborn | cb01563 | 2017-06-14 17:30:15 -0700 | [diff] [blame] | 47 | private static final String KEY_FGSERVICE_MIN_SHOWN_TIME |
| 48 | = "fgservice_min_shown_time"; |
| 49 | private static final String KEY_FGSERVICE_MIN_REPORT_TIME |
| 50 | = "fgservice_min_report_time"; |
| 51 | private static final String KEY_FGSERVICE_SCREEN_ON_BEFORE_TIME |
| 52 | = "fgservice_screen_on_before_time"; |
| 53 | private static final String KEY_FGSERVICE_SCREEN_ON_AFTER_TIME |
| 54 | = "fgservice_screen_on_after_time"; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 55 | private static final String KEY_CONTENT_PROVIDER_RETAIN_TIME = "content_provider_retain_time"; |
| 56 | private static final String KEY_GC_TIMEOUT = "gc_timeout"; |
| 57 | private static final String KEY_GC_MIN_INTERVAL = "gc_min_interval"; |
| 58 | private static final String KEY_FULL_PSS_MIN_INTERVAL = "full_pss_min_interval"; |
| 59 | private static final String KEY_FULL_PSS_LOWERED_INTERVAL = "full_pss_lowered_interval"; |
Dianne Hackborn | ffca58b | 2017-05-24 16:15:45 -0700 | [diff] [blame] | 60 | private static final String KEY_POWER_CHECK_INTERVAL = "power_check_interval"; |
| 61 | private static final String KEY_POWER_CHECK_MAX_CPU_1 = "power_check_max_cpu_1"; |
| 62 | private static final String KEY_POWER_CHECK_MAX_CPU_2 = "power_check_max_cpu_2"; |
| 63 | private static final String KEY_POWER_CHECK_MAX_CPU_3 = "power_check_max_cpu_3"; |
| 64 | private static final String KEY_POWER_CHECK_MAX_CPU_4 = "power_check_max_cpu_4"; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 65 | private static final String KEY_SERVICE_USAGE_INTERACTION_TIME |
| 66 | = "service_usage_interaction_time"; |
| 67 | private static final String KEY_USAGE_STATS_INTERACTION_INTERVAL |
| 68 | = "usage_stats_interaction_interval"; |
| 69 | static final String KEY_SERVICE_RESTART_DURATION = "service_restart_duration"; |
| 70 | static final String KEY_SERVICE_RESET_RUN_DURATION = "service_reset_run_duration"; |
| 71 | static final String KEY_SERVICE_RESTART_DURATION_FACTOR = "service_restart_duration_factor"; |
| 72 | static final String KEY_SERVICE_MIN_RESTART_TIME_BETWEEN = "service_min_restart_time_between"; |
| 73 | static final String KEY_MAX_SERVICE_INACTIVITY = "service_max_inactivity"; |
| 74 | static final String KEY_BG_START_TIMEOUT = "service_bg_start_timeout"; |
Michal Karpinski | e069b00 | 2019-03-07 16:15:14 +0000 | [diff] [blame] | 75 | static final String KEY_SERVICE_BG_ACTIVITY_START_TIMEOUT = "service_bg_activity_start_timeout"; |
Amith Yamasani | b0c8a88 | 2017-08-28 09:36:42 -0700 | [diff] [blame] | 76 | static final String KEY_BOUND_SERVICE_CRASH_RESTART_DURATION = "service_crash_restart_duration"; |
| 77 | static final String KEY_BOUND_SERVICE_CRASH_MAX_RETRY = "service_crash_max_retry"; |
Sudheer Shanka | f669010 | 2017-10-16 10:20:32 -0700 | [diff] [blame] | 78 | static final String KEY_PROCESS_START_ASYNC = "process_start_async"; |
Dianne Hackborn | 8c76d91 | 2018-08-23 15:20:05 -0700 | [diff] [blame] | 79 | static final String KEY_MEMORY_INFO_THROTTLE_TIME = "memory_info_throttle_time"; |
Amith Yamasani | e5bfeee | 2018-09-05 18:52:35 -0700 | [diff] [blame] | 80 | static final String KEY_TOP_TO_FGS_GRACE_DURATION = "top_to_fgs_grace_duration"; |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 81 | |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 82 | private static final int DEFAULT_MAX_CACHED_PROCESSES = 32; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 83 | private static final long DEFAULT_BACKGROUND_SETTLE_TIME = 60*1000; |
Dianne Hackborn | cb01563 | 2017-06-14 17:30:15 -0700 | [diff] [blame] | 84 | private static final long DEFAULT_FGSERVICE_MIN_SHOWN_TIME = 2*1000; |
| 85 | private static final long DEFAULT_FGSERVICE_MIN_REPORT_TIME = 3*1000; |
| 86 | private static final long DEFAULT_FGSERVICE_SCREEN_ON_BEFORE_TIME = 1*1000; |
| 87 | private static final long DEFAULT_FGSERVICE_SCREEN_ON_AFTER_TIME = 5*1000; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 88 | private static final long DEFAULT_CONTENT_PROVIDER_RETAIN_TIME = 20*1000; |
| 89 | private static final long DEFAULT_GC_TIMEOUT = 5*1000; |
| 90 | private static final long DEFAULT_GC_MIN_INTERVAL = 60*1000; |
Dianne Hackborn | 052e314 | 2017-12-19 16:08:30 -0800 | [diff] [blame] | 91 | private static final long DEFAULT_FULL_PSS_MIN_INTERVAL = 20*60*1000; |
| 92 | private static final long DEFAULT_FULL_PSS_LOWERED_INTERVAL = 5*60*1000; |
Dianne Hackborn | ffca58b | 2017-05-24 16:15:45 -0700 | [diff] [blame] | 93 | private static final long DEFAULT_POWER_CHECK_INTERVAL = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; |
| 94 | private static final int DEFAULT_POWER_CHECK_MAX_CPU_1 = 25; |
| 95 | private static final int DEFAULT_POWER_CHECK_MAX_CPU_2 = 25; |
| 96 | private static final int DEFAULT_POWER_CHECK_MAX_CPU_3 = 10; |
| 97 | private static final int DEFAULT_POWER_CHECK_MAX_CPU_4 = 2; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 98 | private static final long DEFAULT_SERVICE_USAGE_INTERACTION_TIME = 30*60*1000; |
Amith Yamasani | 119be9a | 2018-02-18 22:23:00 -0800 | [diff] [blame] | 99 | private static final long DEFAULT_USAGE_STATS_INTERACTION_INTERVAL = 2*60*60*1000L; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 100 | private static final long DEFAULT_SERVICE_RESTART_DURATION = 1*1000; |
| 101 | private static final long DEFAULT_SERVICE_RESET_RUN_DURATION = 60*1000; |
| 102 | private static final int DEFAULT_SERVICE_RESTART_DURATION_FACTOR = 4; |
| 103 | private static final long DEFAULT_SERVICE_MIN_RESTART_TIME_BETWEEN = 10*1000; |
| 104 | private static final long DEFAULT_MAX_SERVICE_INACTIVITY = 30*60*1000; |
| 105 | private static final long DEFAULT_BG_START_TIMEOUT = 15*1000; |
Michal Karpinski | e069b00 | 2019-03-07 16:15:14 +0000 | [diff] [blame] | 106 | private static final long DEFAULT_SERVICE_BG_ACTIVITY_START_TIMEOUT = 10_000; |
Amith Yamasani | b0c8a88 | 2017-08-28 09:36:42 -0700 | [diff] [blame] | 107 | private static final long DEFAULT_BOUND_SERVICE_CRASH_RESTART_DURATION = 30*60_000; |
| 108 | private static final int DEFAULT_BOUND_SERVICE_CRASH_MAX_RETRY = 16; |
Sudheer Shanka | f669010 | 2017-10-16 10:20:32 -0700 | [diff] [blame] | 109 | private static final boolean DEFAULT_PROCESS_START_ASYNC = true; |
Dianne Hackborn | 8c76d91 | 2018-08-23 15:20:05 -0700 | [diff] [blame] | 110 | private static final long DEFAULT_MEMORY_INFO_THROTTLE_TIME = 5*60*1000; |
Amith Yamasani | e5bfeee | 2018-09-05 18:52:35 -0700 | [diff] [blame] | 111 | private static final long DEFAULT_TOP_TO_FGS_GRACE_DURATION = 15 * 1000; |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 112 | |
Matt Pape | 40074da | 2019-02-12 13:53:26 -0800 | [diff] [blame] | 113 | // Flag stored in the DeviceConfig API. |
| 114 | /** |
| 115 | * Maximum number of cached processes. |
| 116 | */ |
| 117 | private static final String KEY_MAX_CACHED_PROCESSES = "max_cached_processes"; |
| 118 | |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 119 | /** |
| 120 | * Default value for mFlagBackgroundActivityStartsEnabled if not explicitly set in |
| 121 | * Settings.Global. This allows it to be set experimentally unless it has been |
| 122 | * enabled/disabled in developer options. Defaults to true. |
| 123 | */ |
| 124 | private static final String KEY_DEFAULT_BACKGROUND_ACTIVITY_STARTS_ENABLED = |
| 125 | "default_background_activity_starts_enabled"; |
| 126 | |
| 127 | /** |
| 128 | * The packages temporarily whitelisted to be able to start activities from background. |
| 129 | * The list of packages is {@code ":"} colon delimited. |
| 130 | */ |
| 131 | private static final String KEY_BACKGROUND_ACTIVITY_STARTS_PACKAGE_NAMES_WHITELIST = |
| 132 | "background_activity_starts_package_names_whitelist"; |
| 133 | |
| 134 | |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 135 | // Maximum number of cached processes we will allow. |
| 136 | public int MAX_CACHED_PROCESSES = DEFAULT_MAX_CACHED_PROCESSES; |
| 137 | |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 138 | // This is the amount of time we allow an app to settle after it goes into the background, |
| 139 | // before we start restricting what it can do. |
| 140 | public long BACKGROUND_SETTLE_TIME = DEFAULT_BACKGROUND_SETTLE_TIME; |
| 141 | |
Dianne Hackborn | cb01563 | 2017-06-14 17:30:15 -0700 | [diff] [blame] | 142 | // The minimum time we allow a foreground service to run with a notification and the |
| 143 | // screen on without otherwise telling the user about it. (If it runs for less than this, |
| 144 | // it will still be reported to the user as a running app for at least this amount of time.) |
| 145 | public long FGSERVICE_MIN_SHOWN_TIME = DEFAULT_FGSERVICE_MIN_SHOWN_TIME; |
| 146 | |
| 147 | // If a foreground service is shown for less than FGSERVICE_MIN_SHOWN_TIME, we will display |
| 148 | // the background app running notification about it for at least this amount of time (if it |
| 149 | // is larger than the remaining shown time). |
| 150 | public long FGSERVICE_MIN_REPORT_TIME = DEFAULT_FGSERVICE_MIN_REPORT_TIME; |
| 151 | |
| 152 | // The minimum amount of time the foreground service needs to have remain being shown |
| 153 | // before the screen goes on for us to consider it not worth showing to the user. That is |
| 154 | // if an app has a foreground service that stops itself this amount of time or more before |
| 155 | // the user turns on the screen, we will just let it go without the user being told about it. |
| 156 | public long FGSERVICE_SCREEN_ON_BEFORE_TIME = DEFAULT_FGSERVICE_SCREEN_ON_BEFORE_TIME; |
| 157 | |
| 158 | // The minimum amount of time a foreground service should remain reported to the user if |
| 159 | // it is stopped when the screen turns on. This is the time from when the screen turns |
| 160 | // on until we will stop reporting it. |
| 161 | public long FGSERVICE_SCREEN_ON_AFTER_TIME = DEFAULT_FGSERVICE_SCREEN_ON_AFTER_TIME; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 162 | |
| 163 | // How long we will retain processes hosting content providers in the "last activity" |
| 164 | // state before allowing them to drop down to the regular cached LRU list. This is |
| 165 | // to avoid thrashing of provider processes under low memory situations. |
| 166 | long CONTENT_PROVIDER_RETAIN_TIME = DEFAULT_CONTENT_PROVIDER_RETAIN_TIME; |
| 167 | |
| 168 | // How long to wait after going idle before forcing apps to GC. |
| 169 | long GC_TIMEOUT = DEFAULT_GC_TIMEOUT; |
| 170 | |
| 171 | // The minimum amount of time between successive GC requests for a process. |
| 172 | long GC_MIN_INTERVAL = DEFAULT_GC_MIN_INTERVAL; |
| 173 | |
| 174 | // The minimum amount of time between successive PSS requests for a process. |
| 175 | long FULL_PSS_MIN_INTERVAL = DEFAULT_FULL_PSS_MIN_INTERVAL; |
| 176 | |
| 177 | // The minimum amount of time between successive PSS requests for a process |
| 178 | // when the request is due to the memory state being lowered. |
| 179 | long FULL_PSS_LOWERED_INTERVAL = DEFAULT_FULL_PSS_LOWERED_INTERVAL; |
| 180 | |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 181 | // The minimum sample duration we will allow before deciding we have |
| 182 | // enough data on CPU usage to start killing things. |
Dianne Hackborn | ffca58b | 2017-05-24 16:15:45 -0700 | [diff] [blame] | 183 | long POWER_CHECK_INTERVAL = DEFAULT_POWER_CHECK_INTERVAL; |
| 184 | |
| 185 | // The maximum CPU (as a percentage) a process is allowed to use over the first |
| 186 | // power check interval that it is cached. |
| 187 | int POWER_CHECK_MAX_CPU_1 = DEFAULT_POWER_CHECK_MAX_CPU_1; |
| 188 | |
| 189 | // The maximum CPU (as a percentage) a process is allowed to use over the second |
| 190 | // power check interval that it is cached. The home app will never check for less |
| 191 | // CPU than this (it will not test against the 3 or 4 levels). |
| 192 | int POWER_CHECK_MAX_CPU_2 = DEFAULT_POWER_CHECK_MAX_CPU_2; |
| 193 | |
| 194 | // The maximum CPU (as a percentage) a process is allowed to use over the third |
| 195 | // power check interval that it is cached. |
| 196 | int POWER_CHECK_MAX_CPU_3 = DEFAULT_POWER_CHECK_MAX_CPU_3; |
| 197 | |
| 198 | // The maximum CPU (as a percentage) a process is allowed to use over the fourth |
| 199 | // power check interval that it is cached. |
| 200 | int POWER_CHECK_MAX_CPU_4 = DEFAULT_POWER_CHECK_MAX_CPU_4; |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 201 | |
| 202 | // This is the amount of time an app needs to be running a foreground service before |
| 203 | // we will consider it to be doing interaction for usage stats. |
| 204 | long SERVICE_USAGE_INTERACTION_TIME = DEFAULT_SERVICE_USAGE_INTERACTION_TIME; |
| 205 | |
| 206 | // Maximum amount of time we will allow to elapse before re-reporting usage stats |
| 207 | // interaction with foreground processes. |
| 208 | long USAGE_STATS_INTERACTION_INTERVAL = DEFAULT_USAGE_STATS_INTERACTION_INTERVAL; |
| 209 | |
| 210 | // How long a service needs to be running until restarting its process |
| 211 | // is no longer considered to be a relaunch of the service. |
| 212 | public long SERVICE_RESTART_DURATION = DEFAULT_SERVICE_RESTART_DURATION; |
| 213 | |
| 214 | // How long a service needs to be running until it will start back at |
| 215 | // SERVICE_RESTART_DURATION after being killed. |
| 216 | public long SERVICE_RESET_RUN_DURATION = DEFAULT_SERVICE_RESET_RUN_DURATION; |
| 217 | |
| 218 | // Multiplying factor to increase restart duration time by, for each time |
| 219 | // a service is killed before it has run for SERVICE_RESET_RUN_DURATION. |
| 220 | public int SERVICE_RESTART_DURATION_FACTOR = DEFAULT_SERVICE_RESTART_DURATION_FACTOR; |
| 221 | |
| 222 | // The minimum amount of time between restarting services that we allow. |
| 223 | // That is, when multiple services are restarting, we won't allow each |
| 224 | // to restart less than this amount of time from the last one. |
| 225 | public long SERVICE_MIN_RESTART_TIME_BETWEEN = DEFAULT_SERVICE_MIN_RESTART_TIME_BETWEEN; |
| 226 | |
| 227 | // Maximum amount of time for there to be no activity on a service before |
| 228 | // we consider it non-essential and allow its process to go on the |
| 229 | // LRU background list. |
| 230 | public long MAX_SERVICE_INACTIVITY = DEFAULT_MAX_SERVICE_INACTIVITY; |
| 231 | |
| 232 | // How long we wait for a background started service to stop itself before |
| 233 | // allowing the next pending start to run. |
| 234 | public long BG_START_TIMEOUT = DEFAULT_BG_START_TIMEOUT; |
| 235 | |
Michal Karpinski | e069b00 | 2019-03-07 16:15:14 +0000 | [diff] [blame] | 236 | // For how long after a whitelisted service's start its process can start a background activity |
| 237 | public long SERVICE_BG_ACTIVITY_START_TIMEOUT = DEFAULT_SERVICE_BG_ACTIVITY_START_TIMEOUT; |
| 238 | |
Amith Yamasani | b0c8a88 | 2017-08-28 09:36:42 -0700 | [diff] [blame] | 239 | // Initial backoff delay for retrying bound foreground services |
| 240 | public long BOUND_SERVICE_CRASH_RESTART_DURATION = DEFAULT_BOUND_SERVICE_CRASH_RESTART_DURATION; |
| 241 | |
| 242 | // Maximum number of retries for bound foreground services that crash soon after start |
| 243 | public long BOUND_SERVICE_MAX_CRASH_RETRY = DEFAULT_BOUND_SERVICE_CRASH_MAX_RETRY; |
| 244 | |
Sudheer Shanka | f669010 | 2017-10-16 10:20:32 -0700 | [diff] [blame] | 245 | // Indicates if the processes need to be started asynchronously. |
| 246 | public boolean FLAG_PROCESS_START_ASYNC = DEFAULT_PROCESS_START_ASYNC; |
| 247 | |
Dianne Hackborn | 8c76d91 | 2018-08-23 15:20:05 -0700 | [diff] [blame] | 248 | // The minimum time we allow between requests for the MemoryInfo of a process to |
| 249 | // throttle requests from apps. |
| 250 | public long MEMORY_INFO_THROTTLE_TIME = DEFAULT_MEMORY_INFO_THROTTLE_TIME; |
| 251 | |
Amith Yamasani | e5bfeee | 2018-09-05 18:52:35 -0700 | [diff] [blame] | 252 | // Allow app just moving from TOP to FOREGROUND_SERVICE to stay in a higher adj value for |
| 253 | // this long. |
| 254 | public long TOP_TO_FGS_GRACE_DURATION = DEFAULT_TOP_TO_FGS_GRACE_DURATION; |
| 255 | |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 256 | // Indicates whether the activity starts logging is enabled. |
| 257 | // Controlled by Settings.Global.ACTIVITY_STARTS_LOGGING_ENABLED |
Wale Ogunwale | 342fbe9 | 2018-10-09 08:44:10 -0700 | [diff] [blame] | 258 | volatile boolean mFlagActivityStartsLoggingEnabled; |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 259 | |
Michal Karpinski | 8596ded | 2018-11-14 14:43:48 +0000 | [diff] [blame] | 260 | // Indicates whether the background activity starts is enabled. |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 261 | // Controlled by Settings.Global.BACKGROUND_ACTIVITY_STARTS_ENABLED. |
| 262 | // If not set explicitly the default is controlled by DeviceConfig. |
Michal Karpinski | 8596ded | 2018-11-14 14:43:48 +0000 | [diff] [blame] | 263 | volatile boolean mFlagBackgroundActivityStartsEnabled; |
| 264 | |
Michal Karpinski | 666631b | 2019-02-26 16:59:11 +0000 | [diff] [blame] | 265 | volatile ArraySet<String> mPackageNamesWhitelistedForBgActivityStarts = new ArraySet<>(); |
| 266 | |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 267 | private final ActivityManagerService mService; |
| 268 | private ContentResolver mResolver; |
| 269 | private final KeyValueListParser mParser = new KeyValueListParser(','); |
| 270 | |
| 271 | private int mOverrideMaxCachedProcesses = -1; |
| 272 | |
| 273 | // The maximum number of cached processes we will keep around before killing them. |
| 274 | // NOTE: this constant is *only* a control to not let us go too crazy with |
| 275 | // keeping around processes on devices with large amounts of RAM. For devices that |
| 276 | // are tighter on RAM, the out of memory killer is responsible for killing background |
| 277 | // processes as RAM is needed, and we should *never* be relying on this limit to |
| 278 | // kill them. Also note that this limit only applies to cached background processes; |
| 279 | // we have no limit on the number of service, visible, foreground, or other such |
| 280 | // processes and the number of those processes does not count against the cached |
| 281 | // process limit. |
| 282 | public int CUR_MAX_CACHED_PROCESSES; |
| 283 | |
| 284 | // The maximum number of empty app processes we will let sit around. |
| 285 | public int CUR_MAX_EMPTY_PROCESSES; |
| 286 | |
| 287 | // The number of empty apps at which we don't consider it necessary to do |
| 288 | // memory trimming. |
| 289 | public int CUR_TRIM_EMPTY_PROCESSES; |
| 290 | |
| 291 | // The number of cached at which we don't consider it necessary to do |
| 292 | // memory trimming. |
| 293 | public int CUR_TRIM_CACHED_PROCESSES; |
| 294 | |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 295 | private static final long MIN_AUTOMATIC_HEAP_DUMP_PSS_THRESHOLD_BYTES = 100 * 1024; // 100 KB |
| 296 | |
| 297 | private final boolean mSystemServerAutomaticHeapDumpEnabled; |
| 298 | |
| 299 | /** Package to report to when the memory usage exceeds the limit. */ |
| 300 | private final String mSystemServerAutomaticHeapDumpPackageName; |
| 301 | |
| 302 | /** Byte limit for dump heap monitoring. */ |
| 303 | private long mSystemServerAutomaticHeapDumpPssThresholdBytes; |
| 304 | |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 305 | private static final Uri ACTIVITY_MANAGER_CONSTANTS_URI = Settings.Global.getUriFor( |
| 306 | Settings.Global.ACTIVITY_MANAGER_CONSTANTS); |
| 307 | |
| 308 | private static final Uri ACTIVITY_STARTS_LOGGING_ENABLED_URI = Settings.Global.getUriFor( |
| 309 | Settings.Global.ACTIVITY_STARTS_LOGGING_ENABLED); |
| 310 | |
Michal Karpinski | 8596ded | 2018-11-14 14:43:48 +0000 | [diff] [blame] | 311 | private static final Uri BACKGROUND_ACTIVITY_STARTS_ENABLED_URI = |
| 312 | Settings.Global.getUriFor( |
| 313 | Settings.Global.BACKGROUND_ACTIVITY_STARTS_ENABLED); |
| 314 | |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 315 | private static final Uri ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI = |
| 316 | Settings.Global.getUriFor(Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS); |
| 317 | |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 318 | private final OnPropertyChangedListener mOnDeviceConfigChangedListener = |
| 319 | new OnPropertyChangedListener() { |
| 320 | @Override |
| 321 | public void onPropertyChanged(String namespace, String name, String value) { |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 322 | if (name == null) { |
| 323 | return; |
| 324 | } |
| 325 | switch (name) { |
| 326 | case KEY_MAX_CACHED_PROCESSES: |
| 327 | updateMaxCachedProcesses(); |
| 328 | break; |
| 329 | case KEY_DEFAULT_BACKGROUND_ACTIVITY_STARTS_ENABLED: |
| 330 | case KEY_BACKGROUND_ACTIVITY_STARTS_PACKAGE_NAMES_WHITELIST: |
| 331 | updateBackgroundActivityStarts(); |
| 332 | break; |
| 333 | default: |
| 334 | break; |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 335 | } |
| 336 | } |
| 337 | }; |
| 338 | |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 339 | ActivityManagerConstants(Context context, ActivityManagerService service, Handler handler) { |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 340 | super(handler); |
| 341 | mService = service; |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 342 | mSystemServerAutomaticHeapDumpEnabled = Build.IS_DEBUGGABLE |
| 343 | && context.getResources().getBoolean( |
| 344 | com.android.internal.R.bool.config_debugEnableAutomaticSystemServerHeapDumps); |
| 345 | mSystemServerAutomaticHeapDumpPackageName = context.getPackageName(); |
| 346 | mSystemServerAutomaticHeapDumpPssThresholdBytes = Math.max( |
| 347 | MIN_AUTOMATIC_HEAP_DUMP_PSS_THRESHOLD_BYTES, |
| 348 | context.getResources().getInteger( |
| 349 | com.android.internal.R.integer.config_debugSystemServerPssThresholdBytes)); |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | public void start(ContentResolver resolver) { |
| 353 | mResolver = resolver; |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 354 | mResolver.registerContentObserver(ACTIVITY_MANAGER_CONSTANTS_URI, false, this); |
| 355 | mResolver.registerContentObserver(ACTIVITY_STARTS_LOGGING_ENABLED_URI, false, this); |
Michal Karpinski | 8596ded | 2018-11-14 14:43:48 +0000 | [diff] [blame] | 356 | mResolver.registerContentObserver(BACKGROUND_ACTIVITY_STARTS_ENABLED_URI, false, this); |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 357 | if (mSystemServerAutomaticHeapDumpEnabled) { |
| 358 | mResolver.registerContentObserver(ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI, |
| 359 | false, this); |
| 360 | } |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 361 | updateConstants(); |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 362 | if (mSystemServerAutomaticHeapDumpEnabled) { |
| 363 | updateEnableAutomaticSystemServerHeapDumps(); |
| 364 | } |
Matt Pape | 40074da | 2019-02-12 13:53:26 -0800 | [diff] [blame] | 365 | DeviceConfig.addOnPropertyChangedListener(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 366 | ActivityThread.currentApplication().getMainExecutor(), |
| 367 | mOnDeviceConfigChangedListener); |
| 368 | updateMaxCachedProcesses(); |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 369 | updateActivityStartsLoggingEnabled(); |
| 370 | updateBackgroundActivityStarts(); |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | public void setOverrideMaxCachedProcesses(int value) { |
| 374 | mOverrideMaxCachedProcesses = value; |
| 375 | updateMaxCachedProcesses(); |
| 376 | } |
| 377 | |
| 378 | public int getOverrideMaxCachedProcesses() { |
| 379 | return mOverrideMaxCachedProcesses; |
| 380 | } |
| 381 | |
| 382 | public static int computeEmptyProcessLimit(int totalProcessLimit) { |
| 383 | return totalProcessLimit/2; |
| 384 | } |
| 385 | |
| 386 | @Override |
| 387 | public void onChange(boolean selfChange, Uri uri) { |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 388 | if (uri == null) return; |
| 389 | if (ACTIVITY_MANAGER_CONSTANTS_URI.equals(uri)) { |
| 390 | updateConstants(); |
| 391 | } else if (ACTIVITY_STARTS_LOGGING_ENABLED_URI.equals(uri)) { |
| 392 | updateActivityStartsLoggingEnabled(); |
Michal Karpinski | 8596ded | 2018-11-14 14:43:48 +0000 | [diff] [blame] | 393 | } else if (BACKGROUND_ACTIVITY_STARTS_ENABLED_URI.equals(uri)) { |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 394 | updateBackgroundActivityStarts(); |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 395 | } else if (ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI.equals(uri)) { |
| 396 | updateEnableAutomaticSystemServerHeapDumps(); |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 397 | } |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | private void updateConstants() { |
Makoto Onuki | 73360ab | 2017-03-17 11:50:13 -0700 | [diff] [blame] | 401 | final String setting = Settings.Global.getString(mResolver, |
| 402 | Settings.Global.ACTIVITY_MANAGER_CONSTANTS); |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 403 | synchronized (mService) { |
| 404 | try { |
Makoto Onuki | 73360ab | 2017-03-17 11:50:13 -0700 | [diff] [blame] | 405 | mParser.setString(setting); |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 406 | } catch (IllegalArgumentException e) { |
| 407 | // Failed to parse the settings string, log this and move on |
| 408 | // with defaults. |
| 409 | Slog.e("ActivityManagerConstants", "Bad activity manager config settings", e); |
| 410 | } |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 411 | BACKGROUND_SETTLE_TIME = mParser.getLong(KEY_BACKGROUND_SETTLE_TIME, |
| 412 | DEFAULT_BACKGROUND_SETTLE_TIME); |
Dianne Hackborn | cb01563 | 2017-06-14 17:30:15 -0700 | [diff] [blame] | 413 | FGSERVICE_MIN_SHOWN_TIME = mParser.getLong(KEY_FGSERVICE_MIN_SHOWN_TIME, |
| 414 | DEFAULT_FGSERVICE_MIN_SHOWN_TIME); |
| 415 | FGSERVICE_MIN_REPORT_TIME = mParser.getLong(KEY_FGSERVICE_MIN_REPORT_TIME, |
| 416 | DEFAULT_FGSERVICE_MIN_REPORT_TIME); |
| 417 | FGSERVICE_SCREEN_ON_BEFORE_TIME = mParser.getLong(KEY_FGSERVICE_SCREEN_ON_BEFORE_TIME, |
| 418 | DEFAULT_FGSERVICE_SCREEN_ON_BEFORE_TIME); |
| 419 | FGSERVICE_SCREEN_ON_AFTER_TIME = mParser.getLong(KEY_FGSERVICE_SCREEN_ON_AFTER_TIME, |
| 420 | DEFAULT_FGSERVICE_SCREEN_ON_AFTER_TIME); |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 421 | CONTENT_PROVIDER_RETAIN_TIME = mParser.getLong(KEY_CONTENT_PROVIDER_RETAIN_TIME, |
| 422 | DEFAULT_CONTENT_PROVIDER_RETAIN_TIME); |
| 423 | GC_TIMEOUT = mParser.getLong(KEY_GC_TIMEOUT, |
| 424 | DEFAULT_GC_TIMEOUT); |
| 425 | GC_MIN_INTERVAL = mParser.getLong(KEY_GC_MIN_INTERVAL, |
| 426 | DEFAULT_GC_MIN_INTERVAL); |
| 427 | FULL_PSS_MIN_INTERVAL = mParser.getLong(KEY_FULL_PSS_MIN_INTERVAL, |
| 428 | DEFAULT_FULL_PSS_MIN_INTERVAL); |
| 429 | FULL_PSS_LOWERED_INTERVAL = mParser.getLong(KEY_FULL_PSS_LOWERED_INTERVAL, |
| 430 | DEFAULT_FULL_PSS_LOWERED_INTERVAL); |
Dianne Hackborn | ffca58b | 2017-05-24 16:15:45 -0700 | [diff] [blame] | 431 | POWER_CHECK_INTERVAL = mParser.getLong(KEY_POWER_CHECK_INTERVAL, |
| 432 | DEFAULT_POWER_CHECK_INTERVAL); |
| 433 | POWER_CHECK_MAX_CPU_1 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_1, |
| 434 | DEFAULT_POWER_CHECK_MAX_CPU_1); |
| 435 | POWER_CHECK_MAX_CPU_2 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_2, |
| 436 | DEFAULT_POWER_CHECK_MAX_CPU_2); |
| 437 | POWER_CHECK_MAX_CPU_3 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_3, |
| 438 | DEFAULT_POWER_CHECK_MAX_CPU_3); |
| 439 | POWER_CHECK_MAX_CPU_4 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_4, |
| 440 | DEFAULT_POWER_CHECK_MAX_CPU_4); |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 441 | SERVICE_USAGE_INTERACTION_TIME = mParser.getLong(KEY_SERVICE_USAGE_INTERACTION_TIME, |
| 442 | DEFAULT_SERVICE_USAGE_INTERACTION_TIME); |
| 443 | USAGE_STATS_INTERACTION_INTERVAL = mParser.getLong(KEY_USAGE_STATS_INTERACTION_INTERVAL, |
| 444 | DEFAULT_USAGE_STATS_INTERACTION_INTERVAL); |
| 445 | SERVICE_RESTART_DURATION = mParser.getLong(KEY_SERVICE_RESTART_DURATION, |
| 446 | DEFAULT_SERVICE_RESTART_DURATION); |
| 447 | SERVICE_RESET_RUN_DURATION = mParser.getLong(KEY_SERVICE_RESET_RUN_DURATION, |
| 448 | DEFAULT_SERVICE_RESET_RUN_DURATION); |
| 449 | SERVICE_RESTART_DURATION_FACTOR = mParser.getInt(KEY_SERVICE_RESTART_DURATION_FACTOR, |
| 450 | DEFAULT_SERVICE_RESTART_DURATION_FACTOR); |
| 451 | SERVICE_MIN_RESTART_TIME_BETWEEN = mParser.getLong(KEY_SERVICE_MIN_RESTART_TIME_BETWEEN, |
| 452 | DEFAULT_SERVICE_MIN_RESTART_TIME_BETWEEN); |
| 453 | MAX_SERVICE_INACTIVITY = mParser.getLong(KEY_MAX_SERVICE_INACTIVITY, |
| 454 | DEFAULT_MAX_SERVICE_INACTIVITY); |
| 455 | BG_START_TIMEOUT = mParser.getLong(KEY_BG_START_TIMEOUT, |
| 456 | DEFAULT_BG_START_TIMEOUT); |
Michal Karpinski | e069b00 | 2019-03-07 16:15:14 +0000 | [diff] [blame] | 457 | SERVICE_BG_ACTIVITY_START_TIMEOUT = mParser.getLong( |
| 458 | KEY_SERVICE_BG_ACTIVITY_START_TIMEOUT, |
| 459 | DEFAULT_SERVICE_BG_ACTIVITY_START_TIMEOUT); |
Amith Yamasani | b0c8a88 | 2017-08-28 09:36:42 -0700 | [diff] [blame] | 460 | BOUND_SERVICE_CRASH_RESTART_DURATION = mParser.getLong( |
| 461 | KEY_BOUND_SERVICE_CRASH_RESTART_DURATION, |
| 462 | DEFAULT_BOUND_SERVICE_CRASH_RESTART_DURATION); |
| 463 | BOUND_SERVICE_MAX_CRASH_RETRY = mParser.getInt(KEY_BOUND_SERVICE_CRASH_MAX_RETRY, |
| 464 | DEFAULT_BOUND_SERVICE_CRASH_MAX_RETRY); |
Sudheer Shanka | f669010 | 2017-10-16 10:20:32 -0700 | [diff] [blame] | 465 | FLAG_PROCESS_START_ASYNC = mParser.getBoolean(KEY_PROCESS_START_ASYNC, |
| 466 | DEFAULT_PROCESS_START_ASYNC); |
Dianne Hackborn | 8c76d91 | 2018-08-23 15:20:05 -0700 | [diff] [blame] | 467 | MEMORY_INFO_THROTTLE_TIME = mParser.getLong(KEY_MEMORY_INFO_THROTTLE_TIME, |
| 468 | DEFAULT_MEMORY_INFO_THROTTLE_TIME); |
Amith Yamasani | e5bfeee | 2018-09-05 18:52:35 -0700 | [diff] [blame] | 469 | TOP_TO_FGS_GRACE_DURATION = mParser.getDurationMillis(KEY_TOP_TO_FGS_GRACE_DURATION, |
| 470 | DEFAULT_TOP_TO_FGS_GRACE_DURATION); |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 471 | |
| 472 | // For new flags that are intended for server-side experiments, please use the new |
| 473 | // DeviceConfig package. |
Amith Yamasani | b0c8a88 | 2017-08-28 09:36:42 -0700 | [diff] [blame] | 474 | |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 475 | updateMaxCachedProcesses(); |
| 476 | } |
| 477 | } |
| 478 | |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 479 | private void updateActivityStartsLoggingEnabled() { |
| 480 | mFlagActivityStartsLoggingEnabled = Settings.Global.getInt(mResolver, |
Michal Karpinski | b639402 | 2019-02-26 11:24:34 +0000 | [diff] [blame] | 481 | Settings.Global.ACTIVITY_STARTS_LOGGING_ENABLED, 1) == 1; |
Michal Karpinski | 201bc0c | 2018-07-20 15:32:00 +0100 | [diff] [blame] | 482 | } |
| 483 | |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 484 | private void updateBackgroundActivityStarts() { |
| 485 | String whitelistedPackageNames = null; |
| 486 | int settingsValue = Settings.Global.getInt(mResolver, |
| 487 | Settings.Global.BACKGROUND_ACTIVITY_STARTS_ENABLED, -1); |
Michal Karpinski | 8596ded | 2018-11-14 14:43:48 +0000 | [diff] [blame] | 488 | |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 489 | // If the user has explicitly enabled or disabled, that affects all apps. |
| 490 | // Otherwise we take the default state and whitelist from DeviceConfig. |
| 491 | if (settingsValue >= 0) { |
| 492 | mFlagBackgroundActivityStartsEnabled = settingsValue != 0; |
| 493 | } else { |
| 494 | boolean enabledInDeviceConfig = DeviceConfig.getBoolean( |
| 495 | DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, |
| 496 | KEY_DEFAULT_BACKGROUND_ACTIVITY_STARTS_ENABLED, |
| 497 | /*defaultValue*/ true); |
| 498 | mFlagBackgroundActivityStartsEnabled = enabledInDeviceConfig; |
| 499 | if (!enabledInDeviceConfig) { |
| 500 | whitelistedPackageNames = DeviceConfig.getProperty( |
| 501 | DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, |
| 502 | KEY_BACKGROUND_ACTIVITY_STARTS_PACKAGE_NAMES_WHITELIST); |
| 503 | } |
Michal Karpinski | 666631b | 2019-02-26 16:59:11 +0000 | [diff] [blame] | 504 | } |
Alan Stokes | fb22707 | 2019-03-29 16:45:16 +0000 | [diff] [blame] | 505 | if (TextUtils.isEmpty(whitelistedPackageNames)) { |
| 506 | if (!mPackageNamesWhitelistedForBgActivityStarts.isEmpty()) { |
| 507 | mPackageNamesWhitelistedForBgActivityStarts = new ArraySet<>(); |
| 508 | } |
| 509 | } else { |
| 510 | ArraySet<String> newSet = new ArraySet<>(); |
| 511 | SimpleStringSplitter splitter = new SimpleStringSplitter(':'); |
| 512 | splitter.setString(whitelistedPackageNames); |
| 513 | while (splitter.hasNext()) { |
| 514 | newSet.add(splitter.next()); |
| 515 | } |
| 516 | mPackageNamesWhitelistedForBgActivityStarts = newSet; |
Michal Karpinski | 666631b | 2019-02-26 16:59:11 +0000 | [diff] [blame] | 517 | } |
Michal Karpinski | 666631b | 2019-02-26 16:59:11 +0000 | [diff] [blame] | 518 | } |
| 519 | |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 520 | private void updateEnableAutomaticSystemServerHeapDumps() { |
| 521 | if (!mSystemServerAutomaticHeapDumpEnabled) { |
| 522 | Slog.wtf(TAG, |
| 523 | "updateEnableAutomaticSystemServerHeapDumps called when leak detection " |
| 524 | + "disabled"); |
| 525 | return; |
| 526 | } |
| 527 | // Monitoring is on by default, so if the setting hasn't been set by the user, |
| 528 | // monitoring should be on. |
| 529 | final boolean enabled = Settings.Global.getInt(mResolver, |
| 530 | Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS, 1) == 1; |
| 531 | |
| 532 | // Setting the threshold to 0 stops the checking. |
| 533 | final long threshold = enabled ? mSystemServerAutomaticHeapDumpPssThresholdBytes : 0; |
| 534 | mService.setDumpHeapDebugLimit(null, 0, threshold, |
| 535 | mSystemServerAutomaticHeapDumpPackageName); |
| 536 | } |
| 537 | |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 538 | private void updateMaxCachedProcesses() { |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 539 | String maxCachedProcessesFlag = DeviceConfig.getProperty( |
Matt Pape | 40074da | 2019-02-12 13:53:26 -0800 | [diff] [blame] | 540 | DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_MAX_CACHED_PROCESSES); |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 541 | try { |
| 542 | CUR_MAX_CACHED_PROCESSES = mOverrideMaxCachedProcesses < 0 |
| 543 | ? (TextUtils.isEmpty(maxCachedProcessesFlag) |
| 544 | ? DEFAULT_MAX_CACHED_PROCESSES : Integer.parseInt(maxCachedProcessesFlag)) |
| 545 | : mOverrideMaxCachedProcesses; |
| 546 | } catch (NumberFormatException e) { |
| 547 | // Bad flag value from Phenotype, revert to default. |
Kweku Adams | fa82563 | 2019-03-04 16:19:19 -0800 | [diff] [blame] | 548 | Slog.e(TAG, |
Ben Murdoch | c26a5a8 | 2019-01-16 10:05:58 +0000 | [diff] [blame] | 549 | "Unable to parse flag for max_cached_processes: " + maxCachedProcessesFlag, e); |
| 550 | CUR_MAX_CACHED_PROCESSES = DEFAULT_MAX_CACHED_PROCESSES; |
| 551 | } |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 552 | CUR_MAX_EMPTY_PROCESSES = computeEmptyProcessLimit(CUR_MAX_CACHED_PROCESSES); |
| 553 | |
| 554 | // Note the trim levels do NOT depend on the override process limit, we want |
| 555 | // to consider the same level the point where we do trimming regardless of any |
| 556 | // additional enforced limit. |
| 557 | final int rawMaxEmptyProcesses = computeEmptyProcessLimit(MAX_CACHED_PROCESSES); |
| 558 | CUR_TRIM_EMPTY_PROCESSES = rawMaxEmptyProcesses/2; |
| 559 | CUR_TRIM_CACHED_PROCESSES = (MAX_CACHED_PROCESSES-rawMaxEmptyProcesses)/3; |
| 560 | } |
| 561 | |
| 562 | void dump(PrintWriter pw) { |
| 563 | pw.println("ACTIVITY MANAGER SETTINGS (dumpsys activity settings) " |
| 564 | + Settings.Global.ACTIVITY_MANAGER_CONSTANTS + ":"); |
| 565 | |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 566 | pw.print(" "); pw.print(KEY_MAX_CACHED_PROCESSES); pw.print("="); |
| 567 | pw.println(MAX_CACHED_PROCESSES); |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 568 | pw.print(" "); pw.print(KEY_BACKGROUND_SETTLE_TIME); pw.print("="); |
| 569 | pw.println(BACKGROUND_SETTLE_TIME); |
Dianne Hackborn | cb01563 | 2017-06-14 17:30:15 -0700 | [diff] [blame] | 570 | pw.print(" "); pw.print(KEY_FGSERVICE_MIN_SHOWN_TIME); pw.print("="); |
| 571 | pw.println(FGSERVICE_MIN_SHOWN_TIME); |
| 572 | pw.print(" "); pw.print(KEY_FGSERVICE_MIN_REPORT_TIME); pw.print("="); |
| 573 | pw.println(FGSERVICE_MIN_REPORT_TIME); |
| 574 | pw.print(" "); pw.print(KEY_FGSERVICE_SCREEN_ON_BEFORE_TIME); pw.print("="); |
| 575 | pw.println(FGSERVICE_SCREEN_ON_BEFORE_TIME); |
| 576 | pw.print(" "); pw.print(KEY_FGSERVICE_SCREEN_ON_AFTER_TIME); pw.print("="); |
| 577 | pw.println(FGSERVICE_SCREEN_ON_AFTER_TIME); |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 578 | pw.print(" "); pw.print(KEY_CONTENT_PROVIDER_RETAIN_TIME); pw.print("="); |
| 579 | pw.println(CONTENT_PROVIDER_RETAIN_TIME); |
| 580 | pw.print(" "); pw.print(KEY_GC_TIMEOUT); pw.print("="); |
| 581 | pw.println(GC_TIMEOUT); |
| 582 | pw.print(" "); pw.print(KEY_GC_MIN_INTERVAL); pw.print("="); |
| 583 | pw.println(GC_MIN_INTERVAL); |
| 584 | pw.print(" "); pw.print(KEY_FULL_PSS_MIN_INTERVAL); pw.print("="); |
| 585 | pw.println(FULL_PSS_MIN_INTERVAL); |
| 586 | pw.print(" "); pw.print(KEY_FULL_PSS_LOWERED_INTERVAL); pw.print("="); |
| 587 | pw.println(FULL_PSS_LOWERED_INTERVAL); |
Dianne Hackborn | ffca58b | 2017-05-24 16:15:45 -0700 | [diff] [blame] | 588 | pw.print(" "); pw.print(KEY_POWER_CHECK_INTERVAL); pw.print("="); |
| 589 | pw.println(POWER_CHECK_INTERVAL); |
| 590 | pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_1); pw.print("="); |
| 591 | pw.println(POWER_CHECK_MAX_CPU_1); |
| 592 | pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_2); pw.print("="); |
| 593 | pw.println(POWER_CHECK_MAX_CPU_2); |
| 594 | pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_3); pw.print("="); |
| 595 | pw.println(POWER_CHECK_MAX_CPU_3); |
| 596 | pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_4); pw.print("="); |
| 597 | pw.println(POWER_CHECK_MAX_CPU_4); |
Dianne Hackborn | 83b40f6 | 2017-04-26 13:59:47 -0700 | [diff] [blame] | 598 | pw.print(" "); pw.print(KEY_SERVICE_USAGE_INTERACTION_TIME); pw.print("="); |
| 599 | pw.println(SERVICE_USAGE_INTERACTION_TIME); |
| 600 | pw.print(" "); pw.print(KEY_USAGE_STATS_INTERACTION_INTERVAL); pw.print("="); |
| 601 | pw.println(USAGE_STATS_INTERACTION_INTERVAL); |
| 602 | pw.print(" "); pw.print(KEY_SERVICE_RESTART_DURATION); pw.print("="); |
| 603 | pw.println(SERVICE_RESTART_DURATION); |
| 604 | pw.print(" "); pw.print(KEY_SERVICE_RESET_RUN_DURATION); pw.print("="); |
| 605 | pw.println(SERVICE_RESET_RUN_DURATION); |
| 606 | pw.print(" "); pw.print(KEY_SERVICE_RESTART_DURATION_FACTOR); pw.print("="); |
| 607 | pw.println(SERVICE_RESTART_DURATION_FACTOR); |
| 608 | pw.print(" "); pw.print(KEY_SERVICE_MIN_RESTART_TIME_BETWEEN); pw.print("="); |
| 609 | pw.println(SERVICE_MIN_RESTART_TIME_BETWEEN); |
| 610 | pw.print(" "); pw.print(KEY_MAX_SERVICE_INACTIVITY); pw.print("="); |
| 611 | pw.println(MAX_SERVICE_INACTIVITY); |
| 612 | pw.print(" "); pw.print(KEY_BG_START_TIMEOUT); pw.print("="); |
| 613 | pw.println(BG_START_TIMEOUT); |
Michal Karpinski | e069b00 | 2019-03-07 16:15:14 +0000 | [diff] [blame] | 614 | pw.print(" "); pw.print(KEY_SERVICE_BG_ACTIVITY_START_TIMEOUT); pw.print("="); |
| 615 | pw.println(SERVICE_BG_ACTIVITY_START_TIMEOUT); |
Dianne Hackborn | 8c76d91 | 2018-08-23 15:20:05 -0700 | [diff] [blame] | 616 | pw.print(" "); pw.print(KEY_BOUND_SERVICE_CRASH_RESTART_DURATION); pw.print("="); |
| 617 | pw.println(BOUND_SERVICE_CRASH_RESTART_DURATION); |
| 618 | pw.print(" "); pw.print(KEY_BOUND_SERVICE_CRASH_MAX_RETRY); pw.print("="); |
| 619 | pw.println(BOUND_SERVICE_MAX_CRASH_RETRY); |
| 620 | pw.print(" "); pw.print(KEY_PROCESS_START_ASYNC); pw.print("="); |
| 621 | pw.println(FLAG_PROCESS_START_ASYNC); |
| 622 | pw.print(" "); pw.print(KEY_MEMORY_INFO_THROTTLE_TIME); pw.print("="); |
| 623 | pw.println(MEMORY_INFO_THROTTLE_TIME); |
Amith Yamasani | e5bfeee | 2018-09-05 18:52:35 -0700 | [diff] [blame] | 624 | pw.print(" "); pw.print(KEY_TOP_TO_FGS_GRACE_DURATION); pw.print("="); |
| 625 | pw.println(TOP_TO_FGS_GRACE_DURATION); |
Dianne Hackborn | 0ef403e | 2017-01-24 18:22:15 -0800 | [diff] [blame] | 626 | |
| 627 | pw.println(); |
| 628 | if (mOverrideMaxCachedProcesses >= 0) { |
| 629 | pw.print(" mOverrideMaxCachedProcesses="); pw.println(mOverrideMaxCachedProcesses); |
| 630 | } |
| 631 | pw.print(" CUR_MAX_CACHED_PROCESSES="); pw.println(CUR_MAX_CACHED_PROCESSES); |
| 632 | pw.print(" CUR_MAX_EMPTY_PROCESSES="); pw.println(CUR_MAX_EMPTY_PROCESSES); |
| 633 | pw.print(" CUR_TRIM_EMPTY_PROCESSES="); pw.println(CUR_TRIM_EMPTY_PROCESSES); |
| 634 | pw.print(" CUR_TRIM_CACHED_PROCESSES="); pw.println(CUR_TRIM_CACHED_PROCESSES); |
| 635 | } |
| 636 | } |