Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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.pm; |
| 18 | |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 19 | import static com.android.server.pm.PackageManagerService.DEBUG_DEXOPT; |
| 20 | |
Christopher Tate | 2c9655b | 2015-06-12 13:06:45 -0700 | [diff] [blame] | 21 | import android.app.AlarmManager; |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 22 | import android.app.job.JobInfo; |
| 23 | import android.app.job.JobParameters; |
| 24 | import android.app.job.JobScheduler; |
| 25 | import android.app.job.JobService; |
| 26 | import android.content.ComponentName; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 27 | import android.content.Context; |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 28 | import android.content.Intent; |
| 29 | import android.content.IntentFilter; |
| 30 | import android.os.BatteryManager; |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 31 | import android.os.Environment; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 32 | import android.os.ServiceManager; |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 33 | import android.os.storage.StorageManager; |
Jeff Sharkey | 9f837a9 | 2014-10-24 12:07:24 -0700 | [diff] [blame] | 34 | import android.util.ArraySet; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 35 | import android.util.Log; |
| 36 | |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 37 | import java.io.File; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 38 | import java.util.concurrent.atomic.AtomicBoolean; |
Nicolas Geoffray | 27c0737 | 2015-11-05 16:54:09 +0000 | [diff] [blame] | 39 | import java.util.concurrent.TimeUnit; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 40 | |
| 41 | /** |
| 42 | * {@hide} |
| 43 | */ |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 44 | public class BackgroundDexOptService extends JobService { |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 45 | static final String TAG = "BackgroundDexOptService"; |
| 46 | |
Christopher Tate | 2c9655b | 2015-06-12 13:06:45 -0700 | [diff] [blame] | 47 | static final long RETRY_LATENCY = 4 * AlarmManager.INTERVAL_HOUR; |
| 48 | |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 49 | static final int JOB_IDLE_OPTIMIZE = 800; |
| 50 | static final int JOB_POST_BOOT_UPDATE = 801; |
| 51 | |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 52 | private static ComponentName sDexoptServiceName = new ComponentName( |
Christopher Tate | 1b8b3aa | 2014-06-20 13:17:01 -0700 | [diff] [blame] | 53 | "android", |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 54 | BackgroundDexOptService.class.getName()); |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 55 | |
Brian Carlstrom | a00be9b | 2014-12-12 13:14:36 -0800 | [diff] [blame] | 56 | /** |
| 57 | * Set of failed packages remembered across job runs. |
| 58 | */ |
| 59 | static final ArraySet<String> sFailedPackageNames = new ArraySet<String>(); |
| 60 | |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 61 | /** |
| 62 | * Atomics set to true if the JobScheduler requests an abort. |
| 63 | */ |
| 64 | final AtomicBoolean mAbortPostBootUpdate = new AtomicBoolean(false); |
| 65 | final AtomicBoolean mAbortIdleOptimization = new AtomicBoolean(false); |
| 66 | |
| 67 | /** |
| 68 | * Atomic set to true if one job should exit early because another job was started. |
| 69 | */ |
| 70 | final AtomicBoolean mExitPostBootUpdate = new AtomicBoolean(false); |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 71 | |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 72 | private final File mDataDir = Environment.getDataDirectory(); |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 73 | |
Calin Juravle | db4a79a | 2015-12-23 18:55:08 +0200 | [diff] [blame] | 74 | public static void schedule(Context context) { |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 75 | JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE); |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 76 | |
| 77 | // Schedule a one-off job which scans installed packages and updates |
| 78 | // out-of-date oat files. |
| 79 | js.schedule(new JobInfo.Builder(JOB_POST_BOOT_UPDATE, sDexoptServiceName) |
| 80 | .setMinimumLatency(TimeUnit.MINUTES.toMillis(1)) |
| 81 | .setOverrideDeadline(TimeUnit.MINUTES.toMillis(1)) |
| 82 | .build()); |
| 83 | |
| 84 | // Schedule a daily job which scans installed packages and compiles |
| 85 | // those with fresh profiling data. |
| 86 | js.schedule(new JobInfo.Builder(JOB_IDLE_OPTIMIZE, sDexoptServiceName) |
| 87 | .setRequiresDeviceIdle(true) |
| 88 | .setRequiresCharging(true) |
| 89 | .setPeriodic(TimeUnit.DAYS.toMillis(1)) |
| 90 | .build()); |
| 91 | |
| 92 | if (DEBUG_DEXOPT) { |
| 93 | Log.i(TAG, "Jobs scheduled"); |
| 94 | } |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 95 | } |
| 96 | |
David Brazdil | ace80c5 | 2016-04-11 13:37:29 +0100 | [diff] [blame] | 97 | public static void notifyPackageChanged(String packageName) { |
| 98 | // The idle maintanance job skips packages which previously failed to |
| 99 | // compile. The given package has changed and may successfully compile |
| 100 | // now. Remove it from the list of known failing packages. |
| 101 | synchronized (sFailedPackageNames) { |
| 102 | sFailedPackageNames.remove(packageName); |
| 103 | } |
| 104 | } |
| 105 | |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 106 | // Returns the current battery level as a 0-100 integer. |
| 107 | private int getBatteryLevel() { |
| 108 | IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED); |
| 109 | Intent intent = registerReceiver(null, filter); |
| 110 | int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1); |
| 111 | int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1); |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 112 | |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 113 | if (level < 0 || scale <= 0) { |
| 114 | // Battery data unavailable. This should never happen, so assume the worst. |
| 115 | return 0; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 116 | } |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 117 | |
| 118 | return (100 * level / scale); |
| 119 | } |
| 120 | |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 121 | private long getLowStorageThreshold() { |
| 122 | @SuppressWarnings("deprecation") |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 123 | final long lowThreshold = StorageManager.from(this).getStorageLowBytes(mDataDir); |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 124 | if (lowThreshold == 0) { |
| 125 | Log.e(TAG, "Invalid low storage threshold"); |
| 126 | } |
| 127 | |
| 128 | return lowThreshold; |
| 129 | } |
| 130 | |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 131 | private boolean runPostBootUpdate(final JobParameters jobParams, |
| 132 | final PackageManagerService pm, final ArraySet<String> pkgs) { |
| 133 | if (mExitPostBootUpdate.get()) { |
| 134 | // This job has already been superseded. Do not start it. |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 135 | return false; |
| 136 | } |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 137 | new Thread("BackgroundDexOptService_PostBootUpdate") { |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 138 | @Override |
| 139 | public void run() { |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 140 | postBootUpdate(jobParams, pm, pkgs); |
| 141 | } |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 142 | |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 143 | }.start(); |
| 144 | return true; |
| 145 | } |
Calin Juravle | 8412cf4 | 2016-05-09 17:56:18 +0100 | [diff] [blame] | 146 | |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 147 | private void postBootUpdate(JobParameters jobParams, PackageManagerService pm, |
| 148 | ArraySet<String> pkgs) { |
| 149 | // Load low battery threshold from the system config. This is a 0-100 integer. |
| 150 | final int lowBatteryThreshold = getResources().getInteger( |
| 151 | com.android.internal.R.integer.config_lowBatteryWarningLevel); |
| 152 | final long lowThreshold = getLowStorageThreshold(); |
Calin Juravle | 8412cf4 | 2016-05-09 17:56:18 +0100 | [diff] [blame] | 153 | |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 154 | mAbortPostBootUpdate.set(false); |
| 155 | |
| 156 | for (String pkg : pkgs) { |
| 157 | if (mAbortPostBootUpdate.get()) { |
| 158 | // JobScheduler requested an early abort. |
| 159 | return; |
| 160 | } |
| 161 | if (mExitPostBootUpdate.get()) { |
| 162 | // Different job, which supersedes this one, is running. |
| 163 | break; |
| 164 | } |
| 165 | if (getBatteryLevel() < lowBatteryThreshold) { |
| 166 | // Rather bail than completely drain the battery. |
| 167 | break; |
| 168 | } |
| 169 | long usableSpace = mDataDir.getUsableSpace(); |
| 170 | if (usableSpace < lowThreshold) { |
| 171 | // Rather bail than completely fill up the disk. |
| 172 | Log.w(TAG, "Aborting background dex opt job due to low storage: " + |
| 173 | usableSpace); |
| 174 | break; |
| 175 | } |
| 176 | |
| 177 | if (DEBUG_DEXOPT) { |
| 178 | Log.i(TAG, "Updating package " + pkg); |
| 179 | } |
| 180 | |
| 181 | // Update package if needed. Note that there can be no race between concurrent |
| 182 | // jobs because PackageDexOptimizer.performDexOpt is synchronized. |
| 183 | |
| 184 | // checkProfiles is false to avoid merging profiles during boot which |
| 185 | // might interfere with background compilation (b/28612421). |
| 186 | // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will |
| 187 | // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a |
| 188 | // trade-off worth doing to save boot time work. |
| 189 | pm.performDexOpt(pkg, |
| 190 | /* checkProfiles */ false, |
| 191 | PackageManagerService.REASON_BOOT, |
| 192 | /* force */ false); |
| 193 | } |
| 194 | // Ran to completion, so we abandon our timeslice and do not reschedule. |
| 195 | jobFinished(jobParams, /* reschedule */ false); |
| 196 | } |
| 197 | |
| 198 | private boolean runIdleOptimization(final JobParameters jobParams, |
| 199 | final PackageManagerService pm, final ArraySet<String> pkgs) { |
| 200 | new Thread("BackgroundDexOptService_IdleOptimization") { |
| 201 | @Override |
| 202 | public void run() { |
| 203 | idleOptimization(jobParams, pm, pkgs); |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 204 | } |
| 205 | }.start(); |
| 206 | return true; |
| 207 | } |
| 208 | |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 209 | private void idleOptimization(JobParameters jobParams, PackageManagerService pm, |
| 210 | ArraySet<String> pkgs) { |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 211 | // If post-boot update is still running, request that it exits early. |
| 212 | mExitPostBootUpdate.set(true); |
| 213 | |
| 214 | mAbortIdleOptimization.set(false); |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 215 | |
| 216 | final long lowThreshold = getLowStorageThreshold(); |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 217 | for (String pkg : pkgs) { |
| 218 | if (mAbortIdleOptimization.get()) { |
| 219 | // JobScheduler requested an early abort. |
| 220 | return; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 221 | } |
Calin Juravle | be6a71a | 2016-12-22 18:50:05 +0200 | [diff] [blame^] | 222 | |
| 223 | synchronized (sFailedPackageNames) { |
| 224 | if (sFailedPackageNames.contains(pkg)) { |
| 225 | // Skip previously failing package |
| 226 | continue; |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | long usableSpace = mDataDir.getUsableSpace(); |
| 231 | if (usableSpace < lowThreshold) { |
| 232 | // Rather bail than completely fill up the disk. |
| 233 | Log.w(TAG, "Aborting background dex opt job due to low storage: " + |
| 234 | usableSpace); |
| 235 | break; |
| 236 | } |
| 237 | |
| 238 | // Conservatively add package to the list of failing ones in case performDexOpt |
| 239 | // never returns. |
| 240 | synchronized (sFailedPackageNames) { |
| 241 | sFailedPackageNames.add(pkg); |
| 242 | } |
| 243 | // Optimize package if needed. Note that there can be no race between |
| 244 | // concurrent jobs because PackageDexOptimizer.performDexOpt is synchronized. |
| 245 | if (pm.performDexOpt(pkg, |
| 246 | /* checkProfiles */ true, |
| 247 | PackageManagerService.REASON_BACKGROUND_DEXOPT, |
| 248 | /* force */ false)) { |
| 249 | // Dexopt succeeded, remove package from the list of failing ones. |
| 250 | synchronized (sFailedPackageNames) { |
| 251 | sFailedPackageNames.remove(pkg); |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | // Ran to completion, so we abandon our timeslice and do not reschedule. |
| 256 | jobFinished(jobParams, /* reschedule */ false); |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 257 | } |
| 258 | |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 259 | @Override |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 260 | public boolean onStartJob(JobParameters params) { |
| 261 | if (DEBUG_DEXOPT) { |
| 262 | Log.i(TAG, "onStartJob"); |
| 263 | } |
| 264 | |
Narayan Kamath | 8735f07 | 2016-08-16 18:25:08 +0100 | [diff] [blame] | 265 | // NOTE: PackageManagerService.isStorageLow uses a different set of criteria from |
| 266 | // the checks above. This check is not "live" - the value is determined by a background |
| 267 | // restart with a period of ~1 minute. |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 268 | PackageManagerService pm = (PackageManagerService)ServiceManager.getService("package"); |
| 269 | if (pm.isStorageLow()) { |
| 270 | if (DEBUG_DEXOPT) { |
| 271 | Log.i(TAG, "Low storage, skipping this run"); |
| 272 | } |
| 273 | return false; |
| 274 | } |
| 275 | |
| 276 | final ArraySet<String> pkgs = pm.getOptimizablePackages(); |
| 277 | if (pkgs == null || pkgs.isEmpty()) { |
| 278 | if (DEBUG_DEXOPT) { |
| 279 | Log.i(TAG, "No packages to optimize"); |
| 280 | } |
| 281 | return false; |
| 282 | } |
| 283 | |
| 284 | if (params.getJobId() == JOB_POST_BOOT_UPDATE) { |
| 285 | return runPostBootUpdate(params, pm, pkgs); |
| 286 | } else { |
| 287 | return runIdleOptimization(params, pm, pkgs); |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | @Override |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 292 | public boolean onStopJob(JobParameters params) { |
David Brazdil | 37a8769 | 2016-04-07 10:43:18 +0100 | [diff] [blame] | 293 | if (DEBUG_DEXOPT) { |
| 294 | Log.i(TAG, "onStopJob"); |
| 295 | } |
| 296 | |
| 297 | if (params.getJobId() == JOB_POST_BOOT_UPDATE) { |
| 298 | mAbortPostBootUpdate.set(true); |
| 299 | } else { |
| 300 | mAbortIdleOptimization.set(true); |
| 301 | } |
Christopher Tate | cf1a2f7 | 2014-06-16 15:51:39 -0700 | [diff] [blame] | 302 | return false; |
Brian Carlstrom | 7395a8a | 2014-04-28 22:11:01 -0700 | [diff] [blame] | 303 | } |
| 304 | } |