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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.am;
import static android.os.PowerExemptionManager.TEMPORARY_ALLOW_LIST_TYPE_FOREGROUND_SERVICE_NOT_ALLOWED;
import static android.os.PowerExemptionManager.TEMPORARY_ALLOW_LIST_TYPE_NONE;
import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_POWER_QUICK;
import android.app.ActivityThread;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Build;
import android.os.Handler;
import android.os.Message;
import android.os.PowerExemptionManager;
import android.provider.DeviceConfig;
import android.provider.DeviceConfig.OnPropertiesChangedListener;
import android.provider.DeviceConfig.Properties;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.ArraySet;
import android.util.KeyValueListParser;
import android.util.Slog;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
/**
* Settings constants that can modify the activity manager's behavior.
*/
final class ActivityManagerConstants extends ContentObserver {
private static final String TAG = "ActivityManagerConstants";
// Key names stored in the settings value.
private static final String KEY_BACKGROUND_SETTLE_TIME = "background_settle_time";
private static final String KEY_FGSERVICE_MIN_SHOWN_TIME
= "fgservice_min_shown_time";
private static final String KEY_FGSERVICE_MIN_REPORT_TIME
= "fgservice_min_report_time";
private static final String KEY_FGSERVICE_SCREEN_ON_BEFORE_TIME
= "fgservice_screen_on_before_time";
private static final String KEY_FGSERVICE_SCREEN_ON_AFTER_TIME
= "fgservice_screen_on_after_time";
private static final String KEY_CONTENT_PROVIDER_RETAIN_TIME = "content_provider_retain_time";
private static final String KEY_GC_TIMEOUT = "gc_timeout";
private static final String KEY_GC_MIN_INTERVAL = "gc_min_interval";
private static final String KEY_FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS =
"force_bg_check_on_restricted";
private static final String KEY_FULL_PSS_MIN_INTERVAL = "full_pss_min_interval";
private static final String KEY_FULL_PSS_LOWERED_INTERVAL = "full_pss_lowered_interval";
private static final String KEY_POWER_CHECK_INTERVAL = "power_check_interval";
private static final String KEY_POWER_CHECK_MAX_CPU_1 = "power_check_max_cpu_1";
private static final String KEY_POWER_CHECK_MAX_CPU_2 = "power_check_max_cpu_2";
private static final String KEY_POWER_CHECK_MAX_CPU_3 = "power_check_max_cpu_3";
private static final String KEY_POWER_CHECK_MAX_CPU_4 = "power_check_max_cpu_4";
/** Used for all apps on R and earlier versions. */
private static final String KEY_SERVICE_USAGE_INTERACTION_TIME_PRE_S =
"service_usage_interaction_time";
private static final String KEY_SERVICE_USAGE_INTERACTION_TIME_POST_S =
"service_usage_interaction_time_post_s";
/** Used for all apps on R and earlier versions. */
private static final String KEY_USAGE_STATS_INTERACTION_INTERVAL_PRE_S =
"usage_stats_interaction_interval";
private static final String KEY_USAGE_STATS_INTERACTION_INTERVAL_POST_S =
"usage_stats_interaction_interval_post_s";
private static final String KEY_IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES =
"imperceptible_kill_exempt_packages";
private static final String KEY_IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES =
"imperceptible_kill_exempt_proc_states";
static final String KEY_SERVICE_RESTART_DURATION = "service_restart_duration";
static final String KEY_SERVICE_RESET_RUN_DURATION = "service_reset_run_duration";
static final String KEY_SERVICE_RESTART_DURATION_FACTOR = "service_restart_duration_factor";
static final String KEY_SERVICE_MIN_RESTART_TIME_BETWEEN = "service_min_restart_time_between";
static final String KEY_MAX_SERVICE_INACTIVITY = "service_max_inactivity";
static final String KEY_BG_START_TIMEOUT = "service_bg_start_timeout";
static final String KEY_SERVICE_BG_ACTIVITY_START_TIMEOUT = "service_bg_activity_start_timeout";
static final String KEY_BOUND_SERVICE_CRASH_RESTART_DURATION = "service_crash_restart_duration";
static final String KEY_BOUND_SERVICE_CRASH_MAX_RETRY = "service_crash_max_retry";
static final String KEY_PROCESS_START_ASYNC = "process_start_async";
static final String KEY_MEMORY_INFO_THROTTLE_TIME = "memory_info_throttle_time";
static final String KEY_TOP_TO_FGS_GRACE_DURATION = "top_to_fgs_grace_duration";
static final String KEY_PENDINGINTENT_WARNING_THRESHOLD = "pendingintent_warning_threshold";
static final String KEY_MIN_CRASH_INTERVAL = "min_crash_interval";
static final String KEY_PROCESS_CRASH_COUNT_RESET_INTERVAL =
"process_crash_count_reset_interval";
static final String KEY_PROCESS_CRASH_COUNT_LIMIT = "process_crash_count_limit";
static final String KEY_BOOT_TIME_TEMP_ALLOWLIST_DURATION = "boot_time_temp_allowlist_duration";
static final String KEY_FG_TO_BG_FGS_GRACE_DURATION = "fg_to_bg_fgs_grace_duration";
static final String KEY_FGS_START_FOREGROUND_TIMEOUT = "fgs_start_foreground_timeout";
static final String KEY_FGS_ATOM_SAMPLE_RATE = "fgs_atom_sample_rate";
static final String KEY_FGS_START_ALLOWED_LOG_SAMPLE_RATE = "fgs_start_allowed_log_sample_rate";
static final String KEY_FGS_START_DENIED_LOG_SAMPLE_RATE = "fgs_start_denied_log_sample_rate";
static final String KEY_FGS_ALLOW_OPT_OUT = "fgs_allow_opt_out";
private static final int DEFAULT_MAX_CACHED_PROCESSES = 32;
private static final long DEFAULT_BACKGROUND_SETTLE_TIME = 60*1000;
private static final long DEFAULT_FGSERVICE_MIN_SHOWN_TIME = 2*1000;
private static final long DEFAULT_FGSERVICE_MIN_REPORT_TIME = 3*1000;
private static final long DEFAULT_FGSERVICE_SCREEN_ON_BEFORE_TIME = 1*1000;
private static final long DEFAULT_FGSERVICE_SCREEN_ON_AFTER_TIME = 5*1000;
private static final long DEFAULT_CONTENT_PROVIDER_RETAIN_TIME = 20*1000;
private static final long DEFAULT_GC_TIMEOUT = 5*1000;
private static final long DEFAULT_GC_MIN_INTERVAL = 60*1000;
private static final long DEFAULT_FULL_PSS_MIN_INTERVAL = 20*60*1000;
private static final boolean DEFAULT_FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS = true;
private static final long DEFAULT_FULL_PSS_LOWERED_INTERVAL = 5*60*1000;
private static final long DEFAULT_POWER_CHECK_INTERVAL = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000;
private static final int DEFAULT_POWER_CHECK_MAX_CPU_1 = 25;
private static final int DEFAULT_POWER_CHECK_MAX_CPU_2 = 25;
private static final int DEFAULT_POWER_CHECK_MAX_CPU_3 = 10;
private static final int DEFAULT_POWER_CHECK_MAX_CPU_4 = 2;
private static final long DEFAULT_SERVICE_USAGE_INTERACTION_TIME_PRE_S = 30 * 60 * 1000;
private static final long DEFAULT_SERVICE_USAGE_INTERACTION_TIME_POST_S = 60 * 1000;
private static final long DEFAULT_USAGE_STATS_INTERACTION_INTERVAL_PRE_S = 2 * 60 * 60 * 1000;
private static final long DEFAULT_USAGE_STATS_INTERACTION_INTERVAL_POST_S = 10 * 60 * 1000;
private static final long DEFAULT_SERVICE_RESTART_DURATION = 1*1000;
private static final long DEFAULT_SERVICE_RESET_RUN_DURATION = 60*1000;
private static final int DEFAULT_SERVICE_RESTART_DURATION_FACTOR = 4;
private static final long DEFAULT_SERVICE_MIN_RESTART_TIME_BETWEEN = 10*1000;
private static final long DEFAULT_MAX_SERVICE_INACTIVITY = 30*60*1000;
private static final long DEFAULT_BG_START_TIMEOUT = 15*1000;
private static final long DEFAULT_SERVICE_BG_ACTIVITY_START_TIMEOUT = 10_000;
private static final long DEFAULT_BOUND_SERVICE_CRASH_RESTART_DURATION = 30*60_000;
private static final int DEFAULT_BOUND_SERVICE_CRASH_MAX_RETRY = 16;
private static final boolean DEFAULT_PROCESS_START_ASYNC = true;
private static final long DEFAULT_MEMORY_INFO_THROTTLE_TIME = 5*60*1000;
private static final long DEFAULT_TOP_TO_FGS_GRACE_DURATION = 15 * 1000;
private static final int DEFAULT_PENDINGINTENT_WARNING_THRESHOLD = 2000;
private static final int DEFAULT_MIN_CRASH_INTERVAL = 2 * 60 * 1000;
private static final int DEFAULT_MAX_PHANTOM_PROCESSES = 32;
private static final int DEFAULT_PROCESS_CRASH_COUNT_RESET_INTERVAL = 12 * 60 * 60 * 1000;
private static final int DEFAULT_PROCESS_CRASH_COUNT_LIMIT = 12;
private static final int DEFAULT_BOOT_TIME_TEMP_ALLOWLIST_DURATION = 20 * 1000;
private static final long DEFAULT_FG_TO_BG_FGS_GRACE_DURATION = 5 * 1000;
private static final int DEFAULT_FGS_START_FOREGROUND_TIMEOUT_MS = 10 * 1000;
private static final float DEFAULT_FGS_ATOM_SAMPLE_RATE = 1; // 100 %
private static final float DEFAULT_FGS_START_ALLOWED_LOG_SAMPLE_RATE = 0.25f; // 25%
private static final float DEFAULT_FGS_START_DENIED_LOG_SAMPLE_RATE = 1; // 100%
/**
* Same as {@link TEMPORARY_ALLOW_LIST_TYPE_FOREGROUND_SERVICE_NOT_ALLOWED}
*/
private static final int
DEFAULT_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR = 1;
private static final boolean DEFAULT_FGS_ALLOW_OPT_OUT = false;
// Flag stored in the DeviceConfig API.
/**
* Maximum number of cached processes.
*/
private static final String KEY_MAX_CACHED_PROCESSES = "max_cached_processes";
/**
* Maximum number of cached processes.
*/
private static final String KEY_MAX_PHANTOM_PROCESSES = "max_phantom_processes";
/**
* Default value for mFlagBackgroundActivityStartsEnabled if not explicitly set in
* Settings.Global. This allows it to be set experimentally unless it has been
* enabled/disabled in developer options. Defaults to false.
*/
private static final String KEY_DEFAULT_BACKGROUND_ACTIVITY_STARTS_ENABLED =
"default_background_activity_starts_enabled";
/**
* Default value for mFlagBackgroundFgsStartRestrictionEnabled if not explicitly set in
* Settings.Global.
*/
private static final String KEY_DEFAULT_BACKGROUND_FGS_STARTS_RESTRICTION_ENABLED =
"default_background_fgs_starts_restriction_enabled";
/**
* Default value for mFlagFgsStartRestrictionEnabled if not explicitly set in
* Settings.Global.
*/
private static final String KEY_DEFAULT_FGS_STARTS_RESTRICTION_ENABLED =
"default_fgs_starts_restriction_enabled";
/**
* Default value for mFgsStartRestrictionNotificationEnabled if not explicitly set in
* Settings.Global.
*/
private static final String KEY_DEFAULT_FGS_STARTS_RESTRICTION_NOTIFICATION_ENABLED =
"default_fgs_starts_restriction_notification_enabled";
/**
* Default value for mFgsStartRestrictionCheckCallerTargetSdk if not explicitly set in
* Settings.Global.
*/
private static final String KEY_DEFAULT_FGS_STARTS_RESTRICTION_CHECK_CALLER_TARGET_SDK =
"default_fgs_starts_restriction_check_caller_target_sdk";
/**
* Whether FGS notification display is deferred following the transition into
* the foreground state. Default behavior is {@code true} unless overridden.
*/
private static final String KEY_DEFERRED_FGS_NOTIFICATIONS_ENABLED =
"deferred_fgs_notifications_enabled";
/** Whether FGS notification deferral applies only to those apps targeting
* API version S or higher. Default is {@code true} unless overidden.
*/
private static final String KEY_DEFERRED_FGS_NOTIFICATIONS_API_GATED =
"deferred_fgs_notifications_api_gated";
/**
* Time in milliseconds to defer display of FGS notifications following the
* transition into the foreground state. Default is 10_000 (ten seconds)
* unless overridden.
*/
private static final String KEY_DEFERRED_FGS_NOTIFICATION_INTERVAL =
"deferred_fgs_notification_interval";
/**
* Time in milliseconds; once an FGS notification for a given uid has been
* deferred, no subsequent FGS notification from that uid will be deferred
* until this amount of time has passed. Default is two minutes
* (2 * 60 * 1000) unless overridden.
*/
private static final String KEY_DEFERRED_FGS_NOTIFICATION_EXCLUSION_TIME =
"deferred_fgs_notification_exclusion_time";
/**
* Default value for mPushMessagingOverQuotaBehavior if not explicitly set in
* Settings.Global.
*/
private static final String KEY_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR =
"push_messaging_over_quota_behavior";
// Maximum number of cached processes we will allow.
public int MAX_CACHED_PROCESSES = DEFAULT_MAX_CACHED_PROCESSES;
// This is the amount of time we allow an app to settle after it goes into the background,
// before we start restricting what it can do.
public long BACKGROUND_SETTLE_TIME = DEFAULT_BACKGROUND_SETTLE_TIME;
// The minimum time we allow a foreground service to run with a notification and the
// screen on without otherwise telling the user about it. (If it runs for less than this,
// it will still be reported to the user as a running app for at least this amount of time.)
public long FGSERVICE_MIN_SHOWN_TIME = DEFAULT_FGSERVICE_MIN_SHOWN_TIME;
// If a foreground service is shown for less than FGSERVICE_MIN_SHOWN_TIME, we will display
// the background app running notification about it for at least this amount of time (if it
// is larger than the remaining shown time).
public long FGSERVICE_MIN_REPORT_TIME = DEFAULT_FGSERVICE_MIN_REPORT_TIME;
// The minimum amount of time the foreground service needs to have remain being shown
// before the screen goes on for us to consider it not worth showing to the user. That is
// if an app has a foreground service that stops itself this amount of time or more before
// the user turns on the screen, we will just let it go without the user being told about it.
public long FGSERVICE_SCREEN_ON_BEFORE_TIME = DEFAULT_FGSERVICE_SCREEN_ON_BEFORE_TIME;
// The minimum amount of time a foreground service should remain reported to the user if
// it is stopped when the screen turns on. This is the time from when the screen turns
// on until we will stop reporting it.
public long FGSERVICE_SCREEN_ON_AFTER_TIME = DEFAULT_FGSERVICE_SCREEN_ON_AFTER_TIME;
// How long we will retain processes hosting content providers in the "last activity"
// state before allowing them to drop down to the regular cached LRU list. This is
// to avoid thrashing of provider processes under low memory situations.
long CONTENT_PROVIDER_RETAIN_TIME = DEFAULT_CONTENT_PROVIDER_RETAIN_TIME;
// How long to wait after going idle before forcing apps to GC.
long GC_TIMEOUT = DEFAULT_GC_TIMEOUT;
// The minimum amount of time between successive GC requests for a process.
long GC_MIN_INTERVAL = DEFAULT_GC_MIN_INTERVAL;
/**
* Whether or not Background Check should be forced on any apps in the
* {@link android.app.usage.UsageStatsManager#STANDBY_BUCKET_RESTRICTED} bucket,
* regardless of target SDK version.
*/
boolean FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS =
DEFAULT_FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS;
// The minimum amount of time between successive PSS requests for a process.
long FULL_PSS_MIN_INTERVAL = DEFAULT_FULL_PSS_MIN_INTERVAL;
// The minimum amount of time between successive PSS requests for a process
// when the request is due to the memory state being lowered.
long FULL_PSS_LOWERED_INTERVAL = DEFAULT_FULL_PSS_LOWERED_INTERVAL;
// The minimum sample duration we will allow before deciding we have
// enough data on CPU usage to start killing things.
long POWER_CHECK_INTERVAL = DEFAULT_POWER_CHECK_INTERVAL;
// The maximum CPU (as a percentage) a process is allowed to use over the first
// power check interval that it is cached.
int POWER_CHECK_MAX_CPU_1 = DEFAULT_POWER_CHECK_MAX_CPU_1;
// The maximum CPU (as a percentage) a process is allowed to use over the second
// power check interval that it is cached. The home app will never check for less
// CPU than this (it will not test against the 3 or 4 levels).
int POWER_CHECK_MAX_CPU_2 = DEFAULT_POWER_CHECK_MAX_CPU_2;
// The maximum CPU (as a percentage) a process is allowed to use over the third
// power check interval that it is cached.
int POWER_CHECK_MAX_CPU_3 = DEFAULT_POWER_CHECK_MAX_CPU_3;
// The maximum CPU (as a percentage) a process is allowed to use over the fourth
// power check interval that it is cached.
int POWER_CHECK_MAX_CPU_4 = DEFAULT_POWER_CHECK_MAX_CPU_4;
// This is the amount of time an app needs to be running a foreground service before
// we will consider it to be doing interaction for usage stats.
// Only used for apps targeting pre-S versions.
long SERVICE_USAGE_INTERACTION_TIME_PRE_S = DEFAULT_SERVICE_USAGE_INTERACTION_TIME_PRE_S;
// This is the amount of time an app needs to be running a foreground service before
// we will consider it to be doing interaction for usage stats.
// Only used for apps targeting versions S and above.
long SERVICE_USAGE_INTERACTION_TIME_POST_S = DEFAULT_SERVICE_USAGE_INTERACTION_TIME_POST_S;
// Maximum amount of time we will allow to elapse before re-reporting usage stats
// interaction with foreground processes.
// Only used for apps targeting pre-S versions.
long USAGE_STATS_INTERACTION_INTERVAL_PRE_S = DEFAULT_USAGE_STATS_INTERACTION_INTERVAL_PRE_S;
// Maximum amount of time we will allow to elapse before re-reporting usage stats
// interaction with foreground processes.
// Only used for apps targeting versions S and above.
long USAGE_STATS_INTERACTION_INTERVAL_POST_S = DEFAULT_USAGE_STATS_INTERACTION_INTERVAL_POST_S;
// How long a service needs to be running until restarting its process
// is no longer considered to be a relaunch of the service.
public long SERVICE_RESTART_DURATION = DEFAULT_SERVICE_RESTART_DURATION;
// How long a service needs to be running until it will start back at
// SERVICE_RESTART_DURATION after being killed.
public long SERVICE_RESET_RUN_DURATION = DEFAULT_SERVICE_RESET_RUN_DURATION;
// Multiplying factor to increase restart duration time by, for each time
// a service is killed before it has run for SERVICE_RESET_RUN_DURATION.
public int SERVICE_RESTART_DURATION_FACTOR = DEFAULT_SERVICE_RESTART_DURATION_FACTOR;
// The minimum amount of time between restarting services that we allow.
// That is, when multiple services are restarting, we won't allow each
// to restart less than this amount of time from the last one.
public long SERVICE_MIN_RESTART_TIME_BETWEEN = DEFAULT_SERVICE_MIN_RESTART_TIME_BETWEEN;
// Maximum amount of time for there to be no activity on a service before
// we consider it non-essential and allow its process to go on the
// LRU background list.
public long MAX_SERVICE_INACTIVITY = DEFAULT_MAX_SERVICE_INACTIVITY;
// How long we wait for a background started service to stop itself before
// allowing the next pending start to run.
public long BG_START_TIMEOUT = DEFAULT_BG_START_TIMEOUT;
// For a service that has been allowed to start background activities, how long after it started
// its process can start a background activity.
public long SERVICE_BG_ACTIVITY_START_TIMEOUT = DEFAULT_SERVICE_BG_ACTIVITY_START_TIMEOUT;
// Initial backoff delay for retrying bound foreground services
public long BOUND_SERVICE_CRASH_RESTART_DURATION = DEFAULT_BOUND_SERVICE_CRASH_RESTART_DURATION;
// Maximum number of retries for bound foreground services that crash soon after start
public long BOUND_SERVICE_MAX_CRASH_RETRY = DEFAULT_BOUND_SERVICE_CRASH_MAX_RETRY;
// Indicates if the processes need to be started asynchronously.
public boolean FLAG_PROCESS_START_ASYNC = DEFAULT_PROCESS_START_ASYNC;
// The minimum time we allow between requests for the MemoryInfo of a process to
// throttle requests from apps.
public long MEMORY_INFO_THROTTLE_TIME = DEFAULT_MEMORY_INFO_THROTTLE_TIME;
// Allow app just moving from TOP to FOREGROUND_SERVICE to stay in a higher adj value for
// this long.
public long TOP_TO_FGS_GRACE_DURATION = DEFAULT_TOP_TO_FGS_GRACE_DURATION;
/**
* The minimum time we allow between crashes, for us to consider this
* application to be bad and stop its services and reject broadcasts.
* A reasonable interval here would be anything between 1-3 minutes.
*/
public static int MIN_CRASH_INTERVAL = DEFAULT_MIN_CRASH_INTERVAL;
/**
* We will allow for a maximum number of {@link PROCESS_CRASH_COUNT_LIMIT} crashes within this
* time period before we consider the application to be bad and stop services and reject
* broadcasts.
* A reasonable reset interval here would be anything between 10-20 hours along with a crash
* count limit of 10-20 crashes.
*/
static long PROCESS_CRASH_COUNT_RESET_INTERVAL = DEFAULT_PROCESS_CRASH_COUNT_RESET_INTERVAL;
/**
* The maximum number of crashes allowed within {@link PROCESS_CRASH_COUNT_RESET_INTERVAL_MS}
* before we consider the application to be bad and stop services and reject broadcasts.
* A reasonable crash count limit here would be anything between 10-20 crashes along with a
* reset interval of 10-20 hours.
*/
static int PROCESS_CRASH_COUNT_LIMIT = DEFAULT_PROCESS_CRASH_COUNT_LIMIT;
// Indicates whether the activity starts logging is enabled.
// Controlled by Settings.Global.ACTIVITY_STARTS_LOGGING_ENABLED
volatile boolean mFlagActivityStartsLoggingEnabled;
// Indicates whether the background activity starts is enabled.
// Controlled by Settings.Global.BACKGROUND_ACTIVITY_STARTS_ENABLED.
// If not set explicitly the default is controlled by DeviceConfig.
volatile boolean mFlagBackgroundActivityStartsEnabled;
// Indicates whether foreground service starts logging is enabled.
// Controlled by Settings.Global.FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED
volatile boolean mFlagForegroundServiceStartsLoggingEnabled;
// Indicates whether the foreground service background start restriction is enabled.
// When the restriction is enabled, foreground service started from background will not have
// while-in-use permissions like location, camera and microphone. (The foreground service can be
// started, the restriction is on while-in-use permissions.)
volatile boolean mFlagBackgroundFgsStartRestrictionEnabled = true;
// Indicates whether the foreground service background start restriction is enabled for
// apps targeting S+.
// When the restriction is enabled, service is not allowed to startForeground from background
// at all.
volatile boolean mFlagFgsStartRestrictionEnabled = true;
// Whether to display a notification when a service is restricted from startForeground due to
// foreground service background start restriction.
volatile boolean mFgsStartRestrictionNotificationEnabled = false;
/**
* Indicates whether the foreground service background start restriction is enabled for
* caller app that is targeting S+.
* This is in addition to check of {@link #mFlagFgsStartRestrictionEnabled} flag.
*/
volatile boolean mFgsStartRestrictionCheckCallerTargetSdk = true;
// Whether we defer FGS notifications a few seconds following their transition to
// the foreground state. Applies only to S+ apps; enabled by default.
volatile boolean mFlagFgsNotificationDeferralEnabled = true;
// Restrict FGS notification deferral policy to only those apps that target
// API version S or higher. Disabled by default; set to "true" to force
// legacy app FGS notifications to display immediately in all cases.
volatile boolean mFlagFgsNotificationDeferralApiGated = false;
// Time in milliseconds to defer FGS notifications after their transition to
// the foreground state.
volatile long mFgsNotificationDeferralInterval = 10_000;
// Rate limit: minimum time after an app's FGS notification is deferred
// before another FGS notification from that app can be deferred.
volatile long mFgsNotificationDeferralExclusionTime = 2 * 60 * 1000L;
/**
* When server pushing message is over the quote, select one of the temp allow list type as
* defined in {@link PowerExemptionManager.TempAllowListType}
*/
volatile @PowerExemptionManager.TempAllowListType int mPushMessagingOverQuotaBehavior =
DEFAULT_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR;
/*
* At boot time, broadcast receiver ACTION_BOOT_COMPLETED, ACTION_LOCKED_BOOT_COMPLETED and
* ACTION_PRE_BOOT_COMPLETED are temp allowlisted to start FGS for a duration of time in
* milliseconds.
*/
volatile long mBootTimeTempAllowlistDuration = DEFAULT_BOOT_TIME_TEMP_ALLOWLIST_DURATION;
/**
* The grace period in milliseconds to allow a process to start FGS from background after
* switching from foreground to background; currently it's only applicable to its activities.
*/
volatile long mFgToBgFgsGraceDuration = DEFAULT_FG_TO_BG_FGS_GRACE_DURATION;
/**
* When service started from background, before the timeout it can be promoted to FGS by calling
* Service.startForeground().
*/
volatile long mFgsStartForegroundTimeoutMs = DEFAULT_FGS_START_FOREGROUND_TIMEOUT_MS;
/**
* Sample rate for the FGS atom.
*
* If the value is 0.1, 10% of the installed packages would be sampled.
*/
volatile float mFgsAtomSampleRate = DEFAULT_FGS_ATOM_SAMPLE_RATE;
/**
* Sample rate for the allowed FGS start WTF logs.
*
* If the value is 0.1, 10% of the logs would be sampled.
*/
volatile float mFgsStartAllowedLogSampleRate = DEFAULT_FGS_START_ALLOWED_LOG_SAMPLE_RATE;
/**
* Sample rate for the denied FGS start WTF logs.
*
* If the value is 0.1, 10% of the logs would be sampled.
*/
volatile float mFgsStartDeniedLogSampleRate = DEFAULT_FGS_START_DENIED_LOG_SAMPLE_RATE;
/**
* Whether to allow "opt-out" from the foreground service restrictions.
* (https://developer.android.com/about/versions/12/foreground-services)
*/
volatile boolean mFgsAllowOptOut = DEFAULT_FGS_ALLOW_OPT_OUT;
private final ActivityManagerService mService;
private ContentResolver mResolver;
private final KeyValueListParser mParser = new KeyValueListParser(',');
private int mOverrideMaxCachedProcesses = -1;
private final int mCustomizedMaxCachedProcesses;
// The maximum number of cached processes we will keep around before killing them.
// NOTE: this constant is *only* a control to not let us go too crazy with
// keeping around processes on devices with large amounts of RAM. For devices that
// are tighter on RAM, the out of memory killer is responsible for killing background
// processes as RAM is needed, and we should *never* be relying on this limit to
// kill them. Also note that this limit only applies to cached background processes;
// we have no limit on the number of service, visible, foreground, or other such
// processes and the number of those processes does not count against the cached
// process limit. This will be initialized in the constructor.
public int CUR_MAX_CACHED_PROCESSES;
// The maximum number of empty app processes we will let sit around. This will be
// initialized in the constructor.
public int CUR_MAX_EMPTY_PROCESSES;
// The number of empty apps at which we don't consider it necessary to do
// memory trimming.
public int CUR_TRIM_EMPTY_PROCESSES = computeEmptyProcessLimit(MAX_CACHED_PROCESSES) / 2;
// The number of cached at which we don't consider it necessary to do
// memory trimming.
public int CUR_TRIM_CACHED_PROCESSES =
(MAX_CACHED_PROCESSES - computeEmptyProcessLimit(MAX_CACHED_PROCESSES)) / 3;
/**
* Packages that can't be killed even if it's requested to be killed on imperceptible.
*/
public ArraySet IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES = new ArraySet();
/**
* Proc State that can't be killed even if it's requested to be killed on imperceptible.
*/
public ArraySet IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES = new ArraySet();
/**
* The threshold for the amount of PendingIntent for each UID, there will be
* warning logs if the number goes beyond this threshold.
*/
public int PENDINGINTENT_WARNING_THRESHOLD = DEFAULT_PENDINGINTENT_WARNING_THRESHOLD;
/**
* Component names of the services which will keep critical code path of the host warm
*/
public final ArraySet KEEP_WARMING_SERVICES = new ArraySet();
/**
* Maximum number of phantom processes.
*/
public int MAX_PHANTOM_PROCESSES = DEFAULT_MAX_PHANTOM_PROCESSES;
private List mDefaultImperceptibleKillExemptPackages;
private List mDefaultImperceptibleKillExemptProcStates;
@SuppressWarnings("unused")
private static final int OOMADJ_UPDATE_POLICY_SLOW = 0;
private static final int OOMADJ_UPDATE_POLICY_QUICK = 1;
private static final int DEFAULT_OOMADJ_UPDATE_POLICY = OOMADJ_UPDATE_POLICY_QUICK;
private static final String KEY_OOMADJ_UPDATE_POLICY = "oomadj_update_policy";
// Indicate if the oom adjuster should take the quick path to update the oom adj scores,
// in which no futher actions will be performed if there are no significant adj/proc state
// changes for the specific process; otherwise, use the traditonal slow path which would
// keep updating all processes in the LRU list.
public boolean OOMADJ_UPDATE_QUICK = DEFAULT_OOMADJ_UPDATE_POLICY == OOMADJ_UPDATE_POLICY_QUICK;
private static final long MIN_AUTOMATIC_HEAP_DUMP_PSS_THRESHOLD_BYTES = 100 * 1024; // 100 KB
private final boolean mSystemServerAutomaticHeapDumpEnabled;
/** Package to report to when the memory usage exceeds the limit. */
private final String mSystemServerAutomaticHeapDumpPackageName;
/** Byte limit for dump heap monitoring. */
private long mSystemServerAutomaticHeapDumpPssThresholdBytes;
private static final Uri ACTIVITY_MANAGER_CONSTANTS_URI = Settings.Global.getUriFor(
Settings.Global.ACTIVITY_MANAGER_CONSTANTS);
private static final Uri ACTIVITY_STARTS_LOGGING_ENABLED_URI = Settings.Global.getUriFor(
Settings.Global.ACTIVITY_STARTS_LOGGING_ENABLED);
private static final Uri FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED_URI =
Settings.Global.getUriFor(
Settings.Global.FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED);
private static final Uri ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI =
Settings.Global.getUriFor(Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS);
/**
* The threshold to decide if a given association should be dumped into metrics.
*/
private static final long DEFAULT_MIN_ASSOC_LOG_DURATION = 5 * 60 * 1000; // 5 mins
private static final String KEY_MIN_ASSOC_LOG_DURATION = "min_assoc_log_duration";
public static long MIN_ASSOC_LOG_DURATION = DEFAULT_MIN_ASSOC_LOG_DURATION;
private static final String KEY_BINDER_HEAVY_HITTER_WATCHER_ENABLED =
"binder_heavy_hitter_watcher_enabled";
private static final String KEY_BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE =
"binder_heavy_hitter_watcher_batchsize";
private static final String KEY_BINDER_HEAVY_HITTER_WATCHER_THRESHOLD =
"binder_heavy_hitter_watcher_threshold";
private static final String KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED =
"binder_heavy_hitter_auto_sampler_enabled";
private static final String KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE =
"binder_heavy_hitter_auto_sampler_batchsize";
private static final String KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_THRESHOLD =
"binder_heavy_hitter_auto_sampler_threshold";
private final boolean mDefaultBinderHeavyHitterWatcherEnabled;
private final int mDefaultBinderHeavyHitterWatcherBatchSize;
private final float mDefaultBinderHeavyHitterWatcherThreshold;
private final boolean mDefaultBinderHeavyHitterAutoSamplerEnabled;
private final int mDefaultBinderHeavyHitterAutoSamplerBatchSize;
private final float mDefaultBinderHeavyHitterAutoSamplerThreshold;
public static boolean BINDER_HEAVY_HITTER_WATCHER_ENABLED;
public static int BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE;
public static float BINDER_HEAVY_HITTER_WATCHER_THRESHOLD;
public static boolean BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED;
public static int BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE;
public static float BINDER_HEAVY_HITTER_AUTO_SAMPLER_THRESHOLD;
private final OnPropertiesChangedListener mOnDeviceConfigChangedListener =
new OnPropertiesChangedListener() {
@Override
public void onPropertiesChanged(Properties properties) {
for (String name : properties.getKeyset()) {
if (name == null) {
return;
}
switch (name) {
case KEY_MAX_CACHED_PROCESSES:
updateMaxCachedProcesses();
break;
case KEY_DEFAULT_BACKGROUND_ACTIVITY_STARTS_ENABLED:
updateBackgroundActivityStarts();
break;
case KEY_DEFAULT_BACKGROUND_FGS_STARTS_RESTRICTION_ENABLED:
updateBackgroundFgsStartsRestriction();
break;
case KEY_DEFAULT_FGS_STARTS_RESTRICTION_ENABLED:
updateFgsStartsRestriction();
break;
case KEY_DEFAULT_FGS_STARTS_RESTRICTION_NOTIFICATION_ENABLED:
updateFgsStartsRestrictionNotification();
break;
case KEY_DEFAULT_FGS_STARTS_RESTRICTION_CHECK_CALLER_TARGET_SDK:
updateFgsStartsRestrictionCheckCallerTargetSdk();
break;
case KEY_DEFERRED_FGS_NOTIFICATIONS_ENABLED:
updateFgsNotificationDeferralEnable();
break;
case KEY_DEFERRED_FGS_NOTIFICATIONS_API_GATED:
updateFgsNotificationDeferralApiGated();
break;
case KEY_DEFERRED_FGS_NOTIFICATION_INTERVAL:
updateFgsNotificationDeferralInterval();
break;
case KEY_DEFERRED_FGS_NOTIFICATION_EXCLUSION_TIME:
updateFgsNotificationDeferralExclusionTime();
break;
case KEY_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR:
updatePushMessagingOverQuotaBehavior();
break;
case KEY_OOMADJ_UPDATE_POLICY:
updateOomAdjUpdatePolicy();
break;
case KEY_IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES:
case KEY_IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES:
updateImperceptibleKillExemptions();
break;
case KEY_FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS:
updateForceRestrictedBackgroundCheck();
break;
case KEY_MIN_ASSOC_LOG_DURATION:
updateMinAssocLogDuration();
break;
case KEY_BINDER_HEAVY_HITTER_WATCHER_ENABLED:
case KEY_BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE:
case KEY_BINDER_HEAVY_HITTER_WATCHER_THRESHOLD:
case KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED:
case KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE:
case KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_THRESHOLD:
updateBinderHeavyHitterWatcher();
break;
case KEY_MAX_PHANTOM_PROCESSES:
updateMaxPhantomProcesses();
break;
case KEY_BOOT_TIME_TEMP_ALLOWLIST_DURATION:
updateBootTimeTempAllowListDuration();
break;
case KEY_FG_TO_BG_FGS_GRACE_DURATION:
updateFgToBgFgsGraceDuration();
break;
case KEY_FGS_START_FOREGROUND_TIMEOUT:
updateFgsStartForegroundTimeout();
break;
case KEY_FGS_ATOM_SAMPLE_RATE:
updateFgsAtomSamplePercent();
break;
case KEY_FGS_START_ALLOWED_LOG_SAMPLE_RATE:
updateFgsStartAllowedLogSamplePercent();
break;
case KEY_FGS_START_DENIED_LOG_SAMPLE_RATE:
updateFgsStartDeniedLogSamplePercent();
break;
case KEY_FGS_ALLOW_OPT_OUT:
updateFgsAllowOptOut();
break;
default:
break;
}
}
}
};
ActivityManagerConstants(Context context, ActivityManagerService service, Handler handler) {
super(handler);
mService = service;
mSystemServerAutomaticHeapDumpEnabled = Build.IS_DEBUGGABLE
&& context.getResources().getBoolean(
com.android.internal.R.bool.config_debugEnableAutomaticSystemServerHeapDumps);
mSystemServerAutomaticHeapDumpPackageName = context.getPackageName();
mSystemServerAutomaticHeapDumpPssThresholdBytes = Math.max(
MIN_AUTOMATIC_HEAP_DUMP_PSS_THRESHOLD_BYTES,
context.getResources().getInteger(
com.android.internal.R.integer.config_debugSystemServerPssThresholdBytes));
mDefaultImperceptibleKillExemptPackages = Arrays.asList(
context.getResources().getStringArray(
com.android.internal.R.array.config_defaultImperceptibleKillingExemptionPkgs));
mDefaultImperceptibleKillExemptProcStates = Arrays.stream(
context.getResources().getIntArray(
com.android.internal.R.array.config_defaultImperceptibleKillingExemptionProcStates))
.boxed().collect(Collectors.toList());
IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES.addAll(mDefaultImperceptibleKillExemptPackages);
IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES.addAll(mDefaultImperceptibleKillExemptProcStates);
mDefaultBinderHeavyHitterWatcherEnabled = context.getResources().getBoolean(
com.android.internal.R.bool.config_defaultBinderHeavyHitterWatcherEnabled);
mDefaultBinderHeavyHitterWatcherBatchSize = context.getResources().getInteger(
com.android.internal.R.integer.config_defaultBinderHeavyHitterWatcherBatchSize);
mDefaultBinderHeavyHitterWatcherThreshold = context.getResources().getFloat(
com.android.internal.R.dimen.config_defaultBinderHeavyHitterWatcherThreshold);
mDefaultBinderHeavyHitterAutoSamplerEnabled = context.getResources().getBoolean(
com.android.internal.R.bool.config_defaultBinderHeavyHitterAutoSamplerEnabled);
mDefaultBinderHeavyHitterAutoSamplerBatchSize = context.getResources().getInteger(
com.android.internal.R.integer.config_defaultBinderHeavyHitterAutoSamplerBatchSize);
mDefaultBinderHeavyHitterAutoSamplerThreshold = context.getResources().getFloat(
com.android.internal.R.dimen.config_defaultBinderHeavyHitterAutoSamplerThreshold);
BINDER_HEAVY_HITTER_WATCHER_ENABLED = mDefaultBinderHeavyHitterWatcherEnabled;
BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE = mDefaultBinderHeavyHitterWatcherBatchSize;
BINDER_HEAVY_HITTER_WATCHER_THRESHOLD = mDefaultBinderHeavyHitterWatcherThreshold;
BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED = mDefaultBinderHeavyHitterAutoSamplerEnabled;
BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE = mDefaultBinderHeavyHitterAutoSamplerBatchSize;
BINDER_HEAVY_HITTER_AUTO_SAMPLER_THRESHOLD = mDefaultBinderHeavyHitterAutoSamplerThreshold;
service.scheduleUpdateBinderHeavyHitterWatcherConfig();
KEEP_WARMING_SERVICES.addAll(Arrays.stream(
context.getResources().getStringArray(
com.android.internal.R.array.config_keep_warming_services))
.map(ComponentName::unflattenFromString).collect(Collectors.toSet()));
mCustomizedMaxCachedProcesses = context.getResources().getInteger(
com.android.internal.R.integer.config_customizedMaxCachedProcesses);
CUR_MAX_CACHED_PROCESSES = mCustomizedMaxCachedProcesses;
CUR_MAX_EMPTY_PROCESSES = computeEmptyProcessLimit(CUR_MAX_CACHED_PROCESSES);
}
public void start(ContentResolver resolver) {
mResolver = resolver;
mResolver.registerContentObserver(ACTIVITY_MANAGER_CONSTANTS_URI, false, this);
mResolver.registerContentObserver(ACTIVITY_STARTS_LOGGING_ENABLED_URI, false, this);
mResolver.registerContentObserver(FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED_URI,
false, this);
if (mSystemServerAutomaticHeapDumpEnabled) {
mResolver.registerContentObserver(ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI,
false, this);
}
updateConstants();
if (mSystemServerAutomaticHeapDumpEnabled) {
updateEnableAutomaticSystemServerHeapDumps();
}
DeviceConfig.addOnPropertiesChangedListener(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
ActivityThread.currentApplication().getMainExecutor(),
mOnDeviceConfigChangedListener);
loadDeviceConfigConstants();
// The following read from Settings.
updateActivityStartsLoggingEnabled();
updateForegroundServiceStartsLoggingEnabled();
}
private void loadDeviceConfigConstants() {
mOnDeviceConfigChangedListener.onPropertiesChanged(
DeviceConfig.getProperties(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER));
}
public void setOverrideMaxCachedProcesses(int value) {
mOverrideMaxCachedProcesses = value;
updateMaxCachedProcesses();
}
public int getOverrideMaxCachedProcesses() {
return mOverrideMaxCachedProcesses;
}
public static int computeEmptyProcessLimit(int totalProcessLimit) {
return totalProcessLimit/2;
}
@Override
public void onChange(boolean selfChange, Uri uri) {
if (uri == null) return;
if (ACTIVITY_MANAGER_CONSTANTS_URI.equals(uri)) {
updateConstants();
} else if (ACTIVITY_STARTS_LOGGING_ENABLED_URI.equals(uri)) {
updateActivityStartsLoggingEnabled();
} else if (FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED_URI.equals(uri)) {
updateForegroundServiceStartsLoggingEnabled();
} else if (ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI.equals(uri)) {
updateEnableAutomaticSystemServerHeapDumps();
}
}
private void updateConstants() {
final String setting = Settings.Global.getString(mResolver,
Settings.Global.ACTIVITY_MANAGER_CONSTANTS);
synchronized (mService) {
try {
mParser.setString(setting);
} catch (IllegalArgumentException e) {
// Failed to parse the settings string, log this and move on
// with defaults.
Slog.e("ActivityManagerConstants", "Bad activity manager config settings", e);
}
final long currentPowerCheckInterval = POWER_CHECK_INTERVAL;
BACKGROUND_SETTLE_TIME = mParser.getLong(KEY_BACKGROUND_SETTLE_TIME,
DEFAULT_BACKGROUND_SETTLE_TIME);
FGSERVICE_MIN_SHOWN_TIME = mParser.getLong(KEY_FGSERVICE_MIN_SHOWN_TIME,
DEFAULT_FGSERVICE_MIN_SHOWN_TIME);
FGSERVICE_MIN_REPORT_TIME = mParser.getLong(KEY_FGSERVICE_MIN_REPORT_TIME,
DEFAULT_FGSERVICE_MIN_REPORT_TIME);
FGSERVICE_SCREEN_ON_BEFORE_TIME = mParser.getLong(KEY_FGSERVICE_SCREEN_ON_BEFORE_TIME,
DEFAULT_FGSERVICE_SCREEN_ON_BEFORE_TIME);
FGSERVICE_SCREEN_ON_AFTER_TIME = mParser.getLong(KEY_FGSERVICE_SCREEN_ON_AFTER_TIME,
DEFAULT_FGSERVICE_SCREEN_ON_AFTER_TIME);
CONTENT_PROVIDER_RETAIN_TIME = mParser.getLong(KEY_CONTENT_PROVIDER_RETAIN_TIME,
DEFAULT_CONTENT_PROVIDER_RETAIN_TIME);
GC_TIMEOUT = mParser.getLong(KEY_GC_TIMEOUT,
DEFAULT_GC_TIMEOUT);
GC_MIN_INTERVAL = mParser.getLong(KEY_GC_MIN_INTERVAL,
DEFAULT_GC_MIN_INTERVAL);
FULL_PSS_MIN_INTERVAL = mParser.getLong(KEY_FULL_PSS_MIN_INTERVAL,
DEFAULT_FULL_PSS_MIN_INTERVAL);
FULL_PSS_LOWERED_INTERVAL = mParser.getLong(KEY_FULL_PSS_LOWERED_INTERVAL,
DEFAULT_FULL_PSS_LOWERED_INTERVAL);
POWER_CHECK_INTERVAL = mParser.getLong(KEY_POWER_CHECK_INTERVAL,
DEFAULT_POWER_CHECK_INTERVAL);
POWER_CHECK_MAX_CPU_1 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_1,
DEFAULT_POWER_CHECK_MAX_CPU_1);
POWER_CHECK_MAX_CPU_2 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_2,
DEFAULT_POWER_CHECK_MAX_CPU_2);
POWER_CHECK_MAX_CPU_3 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_3,
DEFAULT_POWER_CHECK_MAX_CPU_3);
POWER_CHECK_MAX_CPU_4 = mParser.getInt(KEY_POWER_CHECK_MAX_CPU_4,
DEFAULT_POWER_CHECK_MAX_CPU_4);
SERVICE_USAGE_INTERACTION_TIME_PRE_S = mParser.getLong(
KEY_SERVICE_USAGE_INTERACTION_TIME_PRE_S,
DEFAULT_SERVICE_USAGE_INTERACTION_TIME_PRE_S);
SERVICE_USAGE_INTERACTION_TIME_POST_S = mParser.getLong(
KEY_SERVICE_USAGE_INTERACTION_TIME_POST_S,
DEFAULT_SERVICE_USAGE_INTERACTION_TIME_POST_S);
USAGE_STATS_INTERACTION_INTERVAL_PRE_S = mParser.getLong(
KEY_USAGE_STATS_INTERACTION_INTERVAL_PRE_S,
DEFAULT_USAGE_STATS_INTERACTION_INTERVAL_PRE_S);
USAGE_STATS_INTERACTION_INTERVAL_POST_S = mParser.getLong(
KEY_USAGE_STATS_INTERACTION_INTERVAL_POST_S,
DEFAULT_USAGE_STATS_INTERACTION_INTERVAL_POST_S);
SERVICE_RESTART_DURATION = mParser.getLong(KEY_SERVICE_RESTART_DURATION,
DEFAULT_SERVICE_RESTART_DURATION);
SERVICE_RESET_RUN_DURATION = mParser.getLong(KEY_SERVICE_RESET_RUN_DURATION,
DEFAULT_SERVICE_RESET_RUN_DURATION);
SERVICE_RESTART_DURATION_FACTOR = mParser.getInt(KEY_SERVICE_RESTART_DURATION_FACTOR,
DEFAULT_SERVICE_RESTART_DURATION_FACTOR);
SERVICE_MIN_RESTART_TIME_BETWEEN = mParser.getLong(KEY_SERVICE_MIN_RESTART_TIME_BETWEEN,
DEFAULT_SERVICE_MIN_RESTART_TIME_BETWEEN);
MAX_SERVICE_INACTIVITY = mParser.getLong(KEY_MAX_SERVICE_INACTIVITY,
DEFAULT_MAX_SERVICE_INACTIVITY);
BG_START_TIMEOUT = mParser.getLong(KEY_BG_START_TIMEOUT,
DEFAULT_BG_START_TIMEOUT);
SERVICE_BG_ACTIVITY_START_TIMEOUT = mParser.getLong(
KEY_SERVICE_BG_ACTIVITY_START_TIMEOUT,
DEFAULT_SERVICE_BG_ACTIVITY_START_TIMEOUT);
BOUND_SERVICE_CRASH_RESTART_DURATION = mParser.getLong(
KEY_BOUND_SERVICE_CRASH_RESTART_DURATION,
DEFAULT_BOUND_SERVICE_CRASH_RESTART_DURATION);
BOUND_SERVICE_MAX_CRASH_RETRY = mParser.getInt(KEY_BOUND_SERVICE_CRASH_MAX_RETRY,
DEFAULT_BOUND_SERVICE_CRASH_MAX_RETRY);
FLAG_PROCESS_START_ASYNC = mParser.getBoolean(KEY_PROCESS_START_ASYNC,
DEFAULT_PROCESS_START_ASYNC);
MEMORY_INFO_THROTTLE_TIME = mParser.getLong(KEY_MEMORY_INFO_THROTTLE_TIME,
DEFAULT_MEMORY_INFO_THROTTLE_TIME);
TOP_TO_FGS_GRACE_DURATION = mParser.getDurationMillis(KEY_TOP_TO_FGS_GRACE_DURATION,
DEFAULT_TOP_TO_FGS_GRACE_DURATION);
MIN_CRASH_INTERVAL = mParser.getInt(KEY_MIN_CRASH_INTERVAL,
DEFAULT_MIN_CRASH_INTERVAL);
PENDINGINTENT_WARNING_THRESHOLD = mParser.getInt(KEY_PENDINGINTENT_WARNING_THRESHOLD,
DEFAULT_PENDINGINTENT_WARNING_THRESHOLD);
PROCESS_CRASH_COUNT_RESET_INTERVAL = mParser.getInt(
KEY_PROCESS_CRASH_COUNT_RESET_INTERVAL,
DEFAULT_PROCESS_CRASH_COUNT_RESET_INTERVAL);
PROCESS_CRASH_COUNT_LIMIT = mParser.getInt(KEY_PROCESS_CRASH_COUNT_LIMIT,
DEFAULT_PROCESS_CRASH_COUNT_LIMIT);
if (POWER_CHECK_INTERVAL != currentPowerCheckInterval) {
mService.mHandler.removeMessages(
ActivityManagerService.CHECK_EXCESSIVE_POWER_USE_MSG);
final Message msg = mService.mHandler.obtainMessage(
ActivityManagerService.CHECK_EXCESSIVE_POWER_USE_MSG);
mService.mHandler.sendMessageDelayed(msg, POWER_CHECK_INTERVAL);
}
// For new flags that are intended for server-side experiments, please use the new
// DeviceConfig package.
}
}
private void updateActivityStartsLoggingEnabled() {
mFlagActivityStartsLoggingEnabled = Settings.Global.getInt(mResolver,
Settings.Global.ACTIVITY_STARTS_LOGGING_ENABLED, 1) == 1;
}
private void updateBackgroundActivityStarts() {
mFlagBackgroundActivityStartsEnabled = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFAULT_BACKGROUND_ACTIVITY_STARTS_ENABLED,
/*defaultValue*/ false);
}
private void updateForegroundServiceStartsLoggingEnabled() {
mFlagForegroundServiceStartsLoggingEnabled = Settings.Global.getInt(mResolver,
Settings.Global.FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED, 1) == 1;
}
private void updateBackgroundFgsStartsRestriction() {
mFlagBackgroundFgsStartRestrictionEnabled = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFAULT_BACKGROUND_FGS_STARTS_RESTRICTION_ENABLED,
/*defaultValue*/ true);
}
private void updateFgsStartsRestriction() {
mFlagFgsStartRestrictionEnabled = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFAULT_FGS_STARTS_RESTRICTION_ENABLED,
/*defaultValue*/ true);
}
private void updateFgsStartsRestrictionNotification() {
mFgsStartRestrictionNotificationEnabled = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFAULT_FGS_STARTS_RESTRICTION_NOTIFICATION_ENABLED,
/*defaultValue*/ false);
}
private void updateFgsStartsRestrictionCheckCallerTargetSdk() {
mFgsStartRestrictionCheckCallerTargetSdk = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFAULT_FGS_STARTS_RESTRICTION_CHECK_CALLER_TARGET_SDK,
/*defaultValue*/ true);
}
private void updateFgsNotificationDeferralEnable() {
mFlagFgsNotificationDeferralEnabled = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFERRED_FGS_NOTIFICATIONS_ENABLED,
/*default value*/ true);
}
private void updateFgsNotificationDeferralApiGated() {
mFlagFgsNotificationDeferralApiGated = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFERRED_FGS_NOTIFICATIONS_API_GATED,
/*default value*/ false);
}
private void updateFgsNotificationDeferralInterval() {
mFgsNotificationDeferralInterval = DeviceConfig.getLong(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFERRED_FGS_NOTIFICATION_INTERVAL,
/*default value*/ 10_000L);
}
private void updateFgsNotificationDeferralExclusionTime() {
mFgsNotificationDeferralExclusionTime = DeviceConfig.getLong(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_DEFERRED_FGS_NOTIFICATION_EXCLUSION_TIME,
/*default value*/ 2 * 60 * 1000L);
}
private void updatePushMessagingOverQuotaBehavior() {
mPushMessagingOverQuotaBehavior = DeviceConfig.getInt(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR,
DEFAULT_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR);
if (mPushMessagingOverQuotaBehavior < TEMPORARY_ALLOW_LIST_TYPE_NONE
|| mPushMessagingOverQuotaBehavior
> TEMPORARY_ALLOW_LIST_TYPE_FOREGROUND_SERVICE_NOT_ALLOWED) {
mPushMessagingOverQuotaBehavior =
DEFAULT_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR;
}
}
private void updateOomAdjUpdatePolicy() {
OOMADJ_UPDATE_QUICK = DeviceConfig.getInt(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_OOMADJ_UPDATE_POLICY,
/* defaultValue */ DEFAULT_OOMADJ_UPDATE_POLICY)
== OOMADJ_UPDATE_POLICY_QUICK;
}
private void updateForceRestrictedBackgroundCheck() {
FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS,
DEFAULT_FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS);
}
private void updateBootTimeTempAllowListDuration() {
mBootTimeTempAllowlistDuration = DeviceConfig.getLong(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_BOOT_TIME_TEMP_ALLOWLIST_DURATION,
DEFAULT_BOOT_TIME_TEMP_ALLOWLIST_DURATION);
}
private void updateFgToBgFgsGraceDuration() {
mFgToBgFgsGraceDuration = DeviceConfig.getLong(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_FG_TO_BG_FGS_GRACE_DURATION,
DEFAULT_FG_TO_BG_FGS_GRACE_DURATION);
}
private void updateFgsStartForegroundTimeout() {
mFgsStartForegroundTimeoutMs = DeviceConfig.getLong(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_FGS_START_FOREGROUND_TIMEOUT,
DEFAULT_FGS_START_FOREGROUND_TIMEOUT_MS);
}
private void updateFgsAtomSamplePercent() {
mFgsAtomSampleRate = DeviceConfig.getFloat(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_FGS_ATOM_SAMPLE_RATE,
DEFAULT_FGS_ATOM_SAMPLE_RATE);
}
private void updateFgsStartAllowedLogSamplePercent() {
mFgsStartAllowedLogSampleRate = DeviceConfig.getFloat(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_FGS_START_ALLOWED_LOG_SAMPLE_RATE,
DEFAULT_FGS_START_ALLOWED_LOG_SAMPLE_RATE);
}
private void updateFgsStartDeniedLogSamplePercent() {
mFgsStartDeniedLogSampleRate = DeviceConfig.getFloat(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_FGS_START_DENIED_LOG_SAMPLE_RATE,
DEFAULT_FGS_START_DENIED_LOG_SAMPLE_RATE);
}
private void updateFgsAllowOptOut() {
mFgsAllowOptOut = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_FGS_ALLOW_OPT_OUT,
DEFAULT_FGS_ALLOW_OPT_OUT);
}
private void updateImperceptibleKillExemptions() {
IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES.clear();
IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES.addAll(mDefaultImperceptibleKillExemptPackages);
String val = DeviceConfig.getString(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES, null);
if (!TextUtils.isEmpty(val)) {
IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES.addAll(Arrays.asList(val.split(",")));
}
IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES.clear();
IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES.addAll(mDefaultImperceptibleKillExemptProcStates);
val = DeviceConfig.getString(DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES, null);
if (!TextUtils.isEmpty(val)) {
Arrays.asList(val.split(",")).stream().forEach((v) -> {
try {
IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES.add(Integer.parseInt(v));
} catch (NumberFormatException e) {
}
});
}
}
private void updateEnableAutomaticSystemServerHeapDumps() {
if (!mSystemServerAutomaticHeapDumpEnabled) {
Slog.wtf(TAG,
"updateEnableAutomaticSystemServerHeapDumps called when leak detection "
+ "disabled");
return;
}
// Monitoring is on by default, so if the setting hasn't been set by the user,
// monitoring should be on.
final boolean enabled = Settings.Global.getInt(mResolver,
Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS, 1) == 1;
// Setting the threshold to 0 stops the checking.
final long threshold = enabled ? mSystemServerAutomaticHeapDumpPssThresholdBytes : 0;
mService.setDumpHeapDebugLimit(null, 0, threshold,
mSystemServerAutomaticHeapDumpPackageName);
}
private void updateMaxCachedProcesses() {
String maxCachedProcessesFlag = DeviceConfig.getProperty(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_MAX_CACHED_PROCESSES);
try {
CUR_MAX_CACHED_PROCESSES = mOverrideMaxCachedProcesses < 0
? (TextUtils.isEmpty(maxCachedProcessesFlag)
? mCustomizedMaxCachedProcesses : Integer.parseInt(maxCachedProcessesFlag))
: mOverrideMaxCachedProcesses;
} catch (NumberFormatException e) {
// Bad flag value from Phenotype, revert to default.
Slog.e(TAG,
"Unable to parse flag for max_cached_processes: " + maxCachedProcessesFlag, e);
CUR_MAX_CACHED_PROCESSES = mCustomizedMaxCachedProcesses;
}
CUR_MAX_EMPTY_PROCESSES = computeEmptyProcessLimit(CUR_MAX_CACHED_PROCESSES);
// Note the trim levels do NOT depend on the override process limit, we want
// to consider the same level the point where we do trimming regardless of any
// additional enforced limit.
final int rawMaxEmptyProcesses = computeEmptyProcessLimit(MAX_CACHED_PROCESSES);
CUR_TRIM_EMPTY_PROCESSES = rawMaxEmptyProcesses/2;
CUR_TRIM_CACHED_PROCESSES = (MAX_CACHED_PROCESSES-rawMaxEmptyProcesses)/3;
}
private void updateMinAssocLogDuration() {
MIN_ASSOC_LOG_DURATION = DeviceConfig.getLong(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_MIN_ASSOC_LOG_DURATION,
/* defaultValue */ DEFAULT_MIN_ASSOC_LOG_DURATION);
}
private void updateBinderHeavyHitterWatcher() {
BINDER_HEAVY_HITTER_WATCHER_ENABLED = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_BINDER_HEAVY_HITTER_WATCHER_ENABLED,
mDefaultBinderHeavyHitterWatcherEnabled);
BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE = DeviceConfig.getInt(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE,
mDefaultBinderHeavyHitterWatcherBatchSize);
BINDER_HEAVY_HITTER_WATCHER_THRESHOLD = DeviceConfig.getFloat(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_BINDER_HEAVY_HITTER_WATCHER_THRESHOLD,
mDefaultBinderHeavyHitterWatcherThreshold);
BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED,
mDefaultBinderHeavyHitterAutoSamplerEnabled);
BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE = DeviceConfig.getInt(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE,
mDefaultBinderHeavyHitterAutoSamplerBatchSize);
BINDER_HEAVY_HITTER_WATCHER_THRESHOLD = DeviceConfig.getFloat(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_THRESHOLD,
mDefaultBinderHeavyHitterAutoSamplerThreshold);
mService.scheduleUpdateBinderHeavyHitterWatcherConfig();
}
private void updateMaxPhantomProcesses() {
final int oldVal = MAX_PHANTOM_PROCESSES;
MAX_PHANTOM_PROCESSES = DeviceConfig.getInt(
DeviceConfig.NAMESPACE_ACTIVITY_MANAGER, KEY_MAX_PHANTOM_PROCESSES,
DEFAULT_MAX_PHANTOM_PROCESSES);
if (oldVal > MAX_PHANTOM_PROCESSES) {
mService.mHandler.post(mService.mPhantomProcessList::trimPhantomProcessesIfNecessary);
}
}
void dump(PrintWriter pw) {
pw.println("ACTIVITY MANAGER SETTINGS (dumpsys activity settings) "
+ Settings.Global.ACTIVITY_MANAGER_CONSTANTS + ":");
pw.print(" "); pw.print(KEY_MAX_CACHED_PROCESSES); pw.print("=");
pw.println(MAX_CACHED_PROCESSES);
pw.print(" "); pw.print(KEY_BACKGROUND_SETTLE_TIME); pw.print("=");
pw.println(BACKGROUND_SETTLE_TIME);
pw.print(" "); pw.print(KEY_FGSERVICE_MIN_SHOWN_TIME); pw.print("=");
pw.println(FGSERVICE_MIN_SHOWN_TIME);
pw.print(" "); pw.print(KEY_FGSERVICE_MIN_REPORT_TIME); pw.print("=");
pw.println(FGSERVICE_MIN_REPORT_TIME);
pw.print(" "); pw.print(KEY_FGSERVICE_SCREEN_ON_BEFORE_TIME); pw.print("=");
pw.println(FGSERVICE_SCREEN_ON_BEFORE_TIME);
pw.print(" "); pw.print(KEY_FGSERVICE_SCREEN_ON_AFTER_TIME); pw.print("=");
pw.println(FGSERVICE_SCREEN_ON_AFTER_TIME);
pw.print(" "); pw.print(KEY_CONTENT_PROVIDER_RETAIN_TIME); pw.print("=");
pw.println(CONTENT_PROVIDER_RETAIN_TIME);
pw.print(" "); pw.print(KEY_GC_TIMEOUT); pw.print("=");
pw.println(GC_TIMEOUT);
pw.print(" "); pw.print(KEY_GC_MIN_INTERVAL); pw.print("=");
pw.println(GC_MIN_INTERVAL);
pw.print(" "); pw.print(KEY_FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS); pw.print("=");
pw.println(FORCE_BACKGROUND_CHECK_ON_RESTRICTED_APPS);
pw.print(" "); pw.print(KEY_FULL_PSS_MIN_INTERVAL); pw.print("=");
pw.println(FULL_PSS_MIN_INTERVAL);
pw.print(" "); pw.print(KEY_FULL_PSS_LOWERED_INTERVAL); pw.print("=");
pw.println(FULL_PSS_LOWERED_INTERVAL);
pw.print(" "); pw.print(KEY_POWER_CHECK_INTERVAL); pw.print("=");
pw.println(POWER_CHECK_INTERVAL);
pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_1); pw.print("=");
pw.println(POWER_CHECK_MAX_CPU_1);
pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_2); pw.print("=");
pw.println(POWER_CHECK_MAX_CPU_2);
pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_3); pw.print("=");
pw.println(POWER_CHECK_MAX_CPU_3);
pw.print(" "); pw.print(KEY_POWER_CHECK_MAX_CPU_4); pw.print("=");
pw.println(POWER_CHECK_MAX_CPU_4);
pw.print(" "); pw.print(KEY_SERVICE_USAGE_INTERACTION_TIME_PRE_S); pw.print("=");
pw.println(SERVICE_USAGE_INTERACTION_TIME_PRE_S);
pw.print(" "); pw.print(KEY_SERVICE_USAGE_INTERACTION_TIME_POST_S); pw.print("=");
pw.println(SERVICE_USAGE_INTERACTION_TIME_POST_S);
pw.print(" "); pw.print(KEY_USAGE_STATS_INTERACTION_INTERVAL_PRE_S); pw.print("=");
pw.println(USAGE_STATS_INTERACTION_INTERVAL_PRE_S);
pw.print(" "); pw.print(KEY_USAGE_STATS_INTERACTION_INTERVAL_POST_S); pw.print("=");
pw.println(USAGE_STATS_INTERACTION_INTERVAL_POST_S);
pw.print(" "); pw.print(KEY_SERVICE_RESTART_DURATION); pw.print("=");
pw.println(SERVICE_RESTART_DURATION);
pw.print(" "); pw.print(KEY_SERVICE_RESET_RUN_DURATION); pw.print("=");
pw.println(SERVICE_RESET_RUN_DURATION);
pw.print(" "); pw.print(KEY_SERVICE_RESTART_DURATION_FACTOR); pw.print("=");
pw.println(SERVICE_RESTART_DURATION_FACTOR);
pw.print(" "); pw.print(KEY_SERVICE_MIN_RESTART_TIME_BETWEEN); pw.print("=");
pw.println(SERVICE_MIN_RESTART_TIME_BETWEEN);
pw.print(" "); pw.print(KEY_MAX_SERVICE_INACTIVITY); pw.print("=");
pw.println(MAX_SERVICE_INACTIVITY);
pw.print(" "); pw.print(KEY_BG_START_TIMEOUT); pw.print("=");
pw.println(BG_START_TIMEOUT);
pw.print(" "); pw.print(KEY_SERVICE_BG_ACTIVITY_START_TIMEOUT); pw.print("=");
pw.println(SERVICE_BG_ACTIVITY_START_TIMEOUT);
pw.print(" "); pw.print(KEY_BOUND_SERVICE_CRASH_RESTART_DURATION); pw.print("=");
pw.println(BOUND_SERVICE_CRASH_RESTART_DURATION);
pw.print(" "); pw.print(KEY_BOUND_SERVICE_CRASH_MAX_RETRY); pw.print("=");
pw.println(BOUND_SERVICE_MAX_CRASH_RETRY);
pw.print(" "); pw.print(KEY_PROCESS_START_ASYNC); pw.print("=");
pw.println(FLAG_PROCESS_START_ASYNC);
pw.print(" "); pw.print(KEY_MEMORY_INFO_THROTTLE_TIME); pw.print("=");
pw.println(MEMORY_INFO_THROTTLE_TIME);
pw.print(" "); pw.print(KEY_TOP_TO_FGS_GRACE_DURATION); pw.print("=");
pw.println(TOP_TO_FGS_GRACE_DURATION);
pw.print(" "); pw.print(KEY_MIN_CRASH_INTERVAL); pw.print("=");
pw.println(MIN_CRASH_INTERVAL);
pw.print(" "); pw.print(KEY_PROCESS_CRASH_COUNT_RESET_INTERVAL); pw.print("=");
pw.println(PROCESS_CRASH_COUNT_RESET_INTERVAL);
pw.print(" "); pw.print(KEY_PROCESS_CRASH_COUNT_LIMIT); pw.print("=");
pw.println(PROCESS_CRASH_COUNT_LIMIT);
pw.print(" "); pw.print(KEY_IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES); pw.print("=");
pw.println(Arrays.toString(IMPERCEPTIBLE_KILL_EXEMPT_PROC_STATES.toArray()));
pw.print(" "); pw.print(KEY_IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES); pw.print("=");
pw.println(Arrays.toString(IMPERCEPTIBLE_KILL_EXEMPT_PACKAGES.toArray()));
pw.print(" "); pw.print(KEY_MIN_ASSOC_LOG_DURATION); pw.print("=");
pw.println(MIN_ASSOC_LOG_DURATION);
pw.print(" "); pw.print(KEY_BINDER_HEAVY_HITTER_WATCHER_ENABLED); pw.print("=");
pw.println(BINDER_HEAVY_HITTER_WATCHER_ENABLED);
pw.print(" "); pw.print(KEY_BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE); pw.print("=");
pw.println(BINDER_HEAVY_HITTER_WATCHER_BATCHSIZE);
pw.print(" "); pw.print(KEY_BINDER_HEAVY_HITTER_WATCHER_THRESHOLD); pw.print("=");
pw.println(BINDER_HEAVY_HITTER_WATCHER_THRESHOLD);
pw.print(" "); pw.print(KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED); pw.print("=");
pw.println(BINDER_HEAVY_HITTER_AUTO_SAMPLER_ENABLED);
pw.print(" "); pw.print(KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE); pw.print("=");
pw.println(BINDER_HEAVY_HITTER_AUTO_SAMPLER_BATCHSIZE);
pw.print(" "); pw.print(KEY_BINDER_HEAVY_HITTER_AUTO_SAMPLER_THRESHOLD); pw.print("=");
pw.println(BINDER_HEAVY_HITTER_AUTO_SAMPLER_THRESHOLD);
pw.print(" "); pw.print(KEY_MAX_PHANTOM_PROCESSES); pw.print("=");
pw.println(MAX_PHANTOM_PROCESSES);
pw.print(" "); pw.print(KEY_BOOT_TIME_TEMP_ALLOWLIST_DURATION); pw.print("=");
pw.println(mBootTimeTempAllowlistDuration);
pw.print(" "); pw.print(KEY_FG_TO_BG_FGS_GRACE_DURATION); pw.print("=");
pw.println(mFgToBgFgsGraceDuration);
pw.print(" "); pw.print(KEY_FGS_START_FOREGROUND_TIMEOUT); pw.print("=");
pw.println(mFgsStartForegroundTimeoutMs);
pw.print(" "); pw.print(KEY_DEFAULT_BACKGROUND_ACTIVITY_STARTS_ENABLED); pw.print("=");
pw.println(mFlagBackgroundActivityStartsEnabled);
pw.print(" "); pw.print(KEY_DEFAULT_BACKGROUND_FGS_STARTS_RESTRICTION_ENABLED);
pw.print("="); pw.println(mFlagBackgroundFgsStartRestrictionEnabled);
pw.print(" "); pw.print(KEY_DEFAULT_FGS_STARTS_RESTRICTION_ENABLED); pw.print("=");
pw.println(mFlagFgsStartRestrictionEnabled);
pw.print(" "); pw.print(KEY_DEFAULT_FGS_STARTS_RESTRICTION_NOTIFICATION_ENABLED);
pw.print("=");
pw.println(mFgsStartRestrictionNotificationEnabled);
pw.print(" "); pw.print(KEY_DEFAULT_FGS_STARTS_RESTRICTION_CHECK_CALLER_TARGET_SDK);
pw.print("="); pw.println(mFgsStartRestrictionCheckCallerTargetSdk);
pw.print(" "); pw.print(KEY_FGS_ATOM_SAMPLE_RATE);
pw.print("="); pw.println(mFgsAtomSampleRate);
pw.print(" "); pw.print(KEY_FGS_START_ALLOWED_LOG_SAMPLE_RATE);
pw.print("="); pw.println(mFgsStartAllowedLogSampleRate);
pw.print(" "); pw.print(KEY_FGS_START_DENIED_LOG_SAMPLE_RATE);
pw.print("="); pw.println(mFgsStartDeniedLogSampleRate);
pw.print(" "); pw.print(KEY_PUSH_MESSAGING_OVER_QUOTA_BEHAVIOR);
pw.print("="); pw.println(mPushMessagingOverQuotaBehavior);
pw.print(" "); pw.print(KEY_FGS_ALLOW_OPT_OUT);
pw.print("="); pw.println(mFgsAllowOptOut);
pw.println();
if (mOverrideMaxCachedProcesses >= 0) {
pw.print(" mOverrideMaxCachedProcesses="); pw.println(mOverrideMaxCachedProcesses);
}
pw.print(" mCustomizedMaxCachedProcesses="); pw.println(mCustomizedMaxCachedProcesses);
pw.print(" CUR_MAX_CACHED_PROCESSES="); pw.println(CUR_MAX_CACHED_PROCESSES);
pw.print(" CUR_MAX_EMPTY_PROCESSES="); pw.println(CUR_MAX_EMPTY_PROCESSES);
pw.print(" CUR_TRIM_EMPTY_PROCESSES="); pw.println(CUR_TRIM_EMPTY_PROCESSES);
pw.print(" CUR_TRIM_CACHED_PROCESSES="); pw.println(CUR_TRIM_CACHED_PROCESSES);
pw.print(" OOMADJ_UPDATE_QUICK="); pw.println(OOMADJ_UPDATE_QUICK);
}
}
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