PackageDexOptimizer.java revision 2118ec4d7e176b0ea96a79ca3b45e1cca9724eed
1/* 2 * Copyright (C) 2015 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 17package com.android.server.pm; 18 19import android.annotation.Nullable; 20import android.content.Context; 21import android.content.pm.ApplicationInfo; 22import android.content.pm.PackageParser; 23import android.os.FileUtils; 24import android.os.PowerManager; 25import android.os.SystemClock; 26import android.os.SystemProperties; 27import android.os.UserHandle; 28import android.os.WorkSource; 29import android.util.Log; 30import android.util.Slog; 31 32import com.android.internal.annotations.GuardedBy; 33import com.android.internal.util.IndentingPrintWriter; 34import com.android.server.pm.Installer.InstallerException; 35import com.android.server.pm.dex.DexManager; 36import com.android.server.pm.dex.DexoptOptions; 37import com.android.server.pm.dex.DexoptUtils; 38import com.android.server.pm.dex.PackageDexUsage; 39 40import java.io.File; 41import java.io.IOException; 42import java.util.ArrayList; 43import java.util.Arrays; 44import java.util.List; 45import java.util.Map; 46 47import dalvik.system.DexFile; 48 49import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; 50import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; 51import static com.android.server.pm.Installer.DEXOPT_PROFILE_GUIDED; 52import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 53import static com.android.server.pm.Installer.DEXOPT_SECONDARY_DEX; 54import static com.android.server.pm.Installer.DEXOPT_FORCE; 55import static com.android.server.pm.Installer.DEXOPT_STORAGE_CE; 56import static com.android.server.pm.Installer.DEXOPT_STORAGE_DE; 57import static com.android.server.pm.Installer.DEXOPT_IDLE_BACKGROUND_JOB; 58import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 59import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 60 61import static com.android.server.pm.PackageManagerService.WATCHDOG_TIMEOUT; 62 63import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 64import static dalvik.system.DexFile.getSafeModeCompilerFilter; 65import static dalvik.system.DexFile.isProfileGuidedCompilerFilter; 66 67/** 68 * Helper class for running dexopt command on packages. 69 */ 70public class PackageDexOptimizer { 71 private static final String TAG = "PackageManager.DexOptimizer"; 72 static final String OAT_DIR_NAME = "oat"; 73 // TODO b/19550105 Remove error codes and use exceptions 74 public static final int DEX_OPT_SKIPPED = 0; 75 public static final int DEX_OPT_PERFORMED = 1; 76 public static final int DEX_OPT_FAILED = -1; 77 // One minute over PM WATCHDOG_TIMEOUT 78 private static final long WAKELOCK_TIMEOUT_MS = WATCHDOG_TIMEOUT + 1000 * 60; 79 80 /** Special library name that skips shared libraries check during compilation. */ 81 public static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 82 83 @GuardedBy("mInstallLock") 84 private final Installer mInstaller; 85 private final Object mInstallLock; 86 87 @GuardedBy("mInstallLock") 88 private final PowerManager.WakeLock mDexoptWakeLock; 89 private volatile boolean mSystemReady; 90 91 PackageDexOptimizer(Installer installer, Object installLock, Context context, 92 String wakeLockTag) { 93 this.mInstaller = installer; 94 this.mInstallLock = installLock; 95 96 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 97 mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); 98 } 99 100 protected PackageDexOptimizer(PackageDexOptimizer from) { 101 this.mInstaller = from.mInstaller; 102 this.mInstallLock = from.mInstallLock; 103 this.mDexoptWakeLock = from.mDexoptWakeLock; 104 this.mSystemReady = from.mSystemReady; 105 } 106 107 static boolean canOptimizePackage(PackageParser.Package pkg) { 108 // We do not dexopt a package with no code. 109 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 110 return false; 111 } 112 113 // We do not dexopt a priv-app package when pm.dexopt.priv-apps is false. 114 if (pkg.isPrivileged()) { 115 return SystemProperties.getBoolean("pm.dexopt.priv-apps", true); 116 } 117 118 return true; 119 } 120 121 /** 122 * Performs dexopt on all code paths and libraries of the specified package for specified 123 * instruction sets. 124 * 125 * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are 126 * synchronized on {@link #mInstallLock}. 127 */ 128 int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, 129 String[] instructionSets, CompilerStats.PackageStats packageStats, 130 PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { 131 if (!canOptimizePackage(pkg)) { 132 return DEX_OPT_SKIPPED; 133 } 134 synchronized (mInstallLock) { 135 final long acquireTime = acquireWakeLockLI(pkg.applicationInfo.uid); 136 try { 137 return performDexOptLI(pkg, sharedLibraries, instructionSets, 138 packageStats, packageUseInfo, options); 139 } finally { 140 releaseWakeLockLI(acquireTime); 141 } 142 } 143 } 144 145 /** 146 * Performs dexopt on all code paths of the given package. 147 * It assumes the install lock is held. 148 */ 149 @GuardedBy("mInstallLock") 150 private int performDexOptLI(PackageParser.Package pkg, String[] sharedLibraries, 151 String[] targetInstructionSets, CompilerStats.PackageStats packageStats, 152 PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { 153 final String[] instructionSets = targetInstructionSets != null ? 154 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 155 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 156 final List<String> paths = pkg.getAllCodePaths(); 157 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 158 159 // Get the class loader context dependencies. 160 // For each code path in the package, this array contains the class loader context that 161 // needs to be passed to dexopt in order to ensure correct optimizations. 162 boolean[] pathsWithCode = new boolean[paths.size()]; 163 pathsWithCode[0] = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 164 for (int i = 1; i < paths.size(); i++) { 165 pathsWithCode[i] = (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) != 0; 166 } 167 String[] classLoaderContexts = DexoptUtils.getClassLoaderContexts( 168 pkg.applicationInfo, sharedLibraries, pathsWithCode); 169 170 // Sanity check that we do not call dexopt with inconsistent data. 171 if (paths.size() != classLoaderContexts.length) { 172 String[] splitCodePaths = pkg.applicationInfo.getSplitCodePaths(); 173 throw new IllegalStateException("Inconsistent information " 174 + "between PackageParser.Package and its ApplicationInfo. " 175 + "pkg.getAllCodePaths=" + paths 176 + " pkg.applicationInfo.getBaseCodePath=" + pkg.applicationInfo.getBaseCodePath() 177 + " pkg.applicationInfo.getSplitCodePaths=" 178 + (splitCodePaths == null ? "null" : Arrays.toString(splitCodePaths))); 179 } 180 181 int result = DEX_OPT_SKIPPED; 182 for (int i = 0; i < paths.size(); i++) { 183 // Skip paths that have no code. 184 if (!pathsWithCode[i]) { 185 continue; 186 } 187 if (classLoaderContexts[i] == null) { 188 throw new IllegalStateException("Inconsistent information in the " 189 + "package structure. A split is marked to contain code " 190 + "but has no dependency listed. Index=" + i + " path=" + paths.get(i)); 191 } 192 193 // Append shared libraries with split dependencies for this split. 194 String path = paths.get(i); 195 if (options.getSplitName() != null) { 196 // We are asked to compile only a specific split. Check that the current path is 197 // what we are looking for. 198 if (!options.getSplitName().equals(new File(path).getName())) { 199 continue; 200 } 201 } 202 203 final boolean isUsedByOtherApps = options.isDexoptAsSharedLibrary() 204 || packageUseInfo.isUsedByOtherApps(path); 205 final String compilerFilter = getRealCompilerFilter(pkg.applicationInfo, 206 options.getCompilerFilter(), isUsedByOtherApps); 207 final boolean profileUpdated = options.isCheckForProfileUpdates() && 208 isProfileUpdated(pkg, sharedGid, compilerFilter); 209 210 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct 211 // flags. 212 final int dexoptFlags = getDexFlags(pkg, compilerFilter, options.isBootComplete()); 213 214 for (String dexCodeIsa : dexCodeInstructionSets) { 215 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, 216 profileUpdated, classLoaderContexts[i], dexoptFlags, sharedGid, 217 packageStats, options.isDowngrade()); 218 // The end result is: 219 // - FAILED if any path failed, 220 // - PERFORMED if at least one path needed compilation, 221 // - SKIPPED when all paths are up to date 222 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 223 result = newResult; 224 } 225 } 226 } 227 return result; 228 } 229 230 /** 231 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 232 * 233 * @return 234 * DEX_OPT_FAILED if there was any exception during dexopt 235 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 236 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 237 */ 238 @GuardedBy("mInstallLock") 239 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 240 String compilerFilter, boolean profileUpdated, String classLoaderContext, 241 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade) { 242 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, classLoaderContext, 243 profileUpdated, downgrade); 244 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 245 return DEX_OPT_SKIPPED; 246 } 247 248 // TODO(calin): there's no need to try to create the oat dir over and over again, 249 // especially since it involve an extra installd call. We should create 250 // if (if supported) on the fly during the dexopt call. 251 String oatDir = createOatDirIfSupported(pkg, isa); 252 253 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 254 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 255 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 256 + " targetFilter=" + compilerFilter + " oatDir=" + oatDir 257 + " classLoaderContext=" + classLoaderContext); 258 259 try { 260 long startTime = System.currentTimeMillis(); 261 262 // TODO: Consider adding 2 different APIs for primary and secondary dexopt. 263 // installd only uses downgrade flag for secondary dex files and ignores it for 264 // primary dex files. 265 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 266 compilerFilter, pkg.volumeUuid, classLoaderContext, pkg.applicationInfo.seInfo, 267 false /* downgrade*/); 268 269 if (packageStats != null) { 270 long endTime = System.currentTimeMillis(); 271 packageStats.setCompileTime(path, (int)(endTime - startTime)); 272 } 273 return DEX_OPT_PERFORMED; 274 } catch (InstallerException e) { 275 Slog.w(TAG, "Failed to dexopt", e); 276 return DEX_OPT_FAILED; 277 } 278 } 279 280 /** 281 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 282 * 283 * @return 284 * DEX_OPT_FAILED if there was any exception during dexopt 285 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 286 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 287 * didn't need an update. That's because at the moment we don't get more than success/failure 288 * from installd. 289 * 290 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 291 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 292 * that seems wasteful. 293 */ 294 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, 295 PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { 296 synchronized (mInstallLock) { 297 final long acquireTime = acquireWakeLockLI(info.uid); 298 try { 299 return dexOptSecondaryDexPathLI(info, path, dexUseInfo, options); 300 } finally { 301 releaseWakeLockLI(acquireTime); 302 } 303 } 304 } 305 306 @GuardedBy("mInstallLock") 307 private long acquireWakeLockLI(final int uid) { 308 // During boot the system doesn't need to instantiate and obtain a wake lock. 309 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 310 // dexopt. 311 if (!mSystemReady) { 312 return -1; 313 } 314 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 315 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 316 return SystemClock.elapsedRealtime(); 317 } 318 319 @GuardedBy("mInstallLock") 320 private void releaseWakeLockLI(final long acquireTime) { 321 if (acquireTime < 0) { 322 return; 323 } 324 try { 325 if (mDexoptWakeLock.isHeld()) { 326 mDexoptWakeLock.release(); 327 } 328 final long duration = SystemClock.elapsedRealtime() - acquireTime; 329 if (duration >= WAKELOCK_TIMEOUT_MS) { 330 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 331 + " time out. Operation took " + duration + " ms. Thread: " 332 + Thread.currentThread().getName()); 333 } 334 } catch (Exception e) { 335 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 336 } 337 } 338 339 @GuardedBy("mInstallLock") 340 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, 341 PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { 342 if (options.isDexoptOnlySharedDex() && !dexUseInfo.isUsedByOtherApps()) { 343 // We are asked to optimize only the dex files used by other apps and this is not 344 // on of them: skip it. 345 return DEX_OPT_SKIPPED; 346 } 347 348 String compilerFilter = getRealCompilerFilter(info, options.getCompilerFilter(), 349 dexUseInfo.isUsedByOtherApps()); 350 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 351 // Secondary dex files are currently not compiled at boot. 352 int dexoptFlags = getDexFlags(info, compilerFilter, /* bootComplete */ true) 353 | DEXOPT_SECONDARY_DEX; 354 // Check the app storage and add the appropriate flags. 355 if (info.deviceProtectedDataDir != null && 356 FileUtils.contains(info.deviceProtectedDataDir, path)) { 357 dexoptFlags |= DEXOPT_STORAGE_DE; 358 } else if (info.credentialProtectedDataDir != null && 359 FileUtils.contains(info.credentialProtectedDataDir, path)) { 360 dexoptFlags |= DEXOPT_STORAGE_CE; 361 } else { 362 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 363 return DEX_OPT_FAILED; 364 } 365 Log.d(TAG, "Running dexopt on: " + path 366 + " pkg=" + info.packageName + " isa=" + dexUseInfo.getLoaderIsas() 367 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 368 + " target-filter=" + compilerFilter); 369 370 // TODO(calin): b/64530081 b/66984396. Use SKIP_SHARED_LIBRARY_CHECK for the context 371 // (instead of dexUseInfo.getClassLoaderContext()) in order to compile secondary dex files 372 // in isolation (and avoid to extract/verify the main apk if it's in the class path). 373 // Note this trades correctness for performance since the resulting slow down is 374 // unacceptable in some cases until b/64530081 is fixed. 375 String classLoaderContext = SKIP_SHARED_LIBRARY_CHECK; 376 377 try { 378 for (String isa : dexUseInfo.getLoaderIsas()) { 379 // Reuse the same dexopt path as for the primary apks. We don't need all the 380 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 381 // system server cannot read untrusted app content. 382 // TODO(calin): maybe add a separate call. 383 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 384 /*oatDir*/ null, dexoptFlags, 385 compilerFilter, info.volumeUuid, classLoaderContext, info.seInfoUser, 386 options.isDowngrade()); 387 } 388 389 return DEX_OPT_PERFORMED; 390 } catch (InstallerException e) { 391 Slog.w(TAG, "Failed to dexopt", e); 392 return DEX_OPT_FAILED; 393 } 394 } 395 396 /** 397 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 398 * optimize or not (and in what way). 399 */ 400 protected int adjustDexoptNeeded(int dexoptNeeded) { 401 return dexoptNeeded; 402 } 403 404 /** 405 * Adjust the given dexopt flags that will be passed to the installer. 406 */ 407 protected int adjustDexoptFlags(int dexoptFlags) { 408 return dexoptFlags; 409 } 410 411 /** 412 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 413 */ 414 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg, 415 PackageDexUsage.PackageUseInfo useInfo) { 416 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 417 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 418 419 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 420 421 for (String path : paths) { 422 pw.println("path: " + path); 423 pw.increaseIndent(); 424 425 for (String isa : dexCodeInstructionSets) { 426 String status = null; 427 try { 428 status = DexFile.getDexFileStatus(path, isa); 429 } catch (IOException ioe) { 430 status = "[Exception]: " + ioe.getMessage(); 431 } 432 pw.println(isa + ": " + status); 433 } 434 435 if (useInfo.isUsedByOtherApps(path)) { 436 pw.println("used by other apps: " + useInfo.getLoadingPackages(path)); 437 } 438 439 Map<String, PackageDexUsage.DexUseInfo> dexUseInfoMap = useInfo.getDexUseInfoMap(); 440 441 if (!dexUseInfoMap.isEmpty()) { 442 pw.println("known secondary dex files:"); 443 pw.increaseIndent(); 444 for (Map.Entry<String, PackageDexUsage.DexUseInfo> e : dexUseInfoMap.entrySet()) { 445 String dex = e.getKey(); 446 PackageDexUsage.DexUseInfo dexUseInfo = e.getValue(); 447 pw.println(dex); 448 pw.increaseIndent(); 449 // TODO(calin): get the status of the oat file (needs installd call) 450 pw.println("class loader context: " + dexUseInfo.getClassLoaderContext()); 451 if (dexUseInfo.isUsedByOtherApps()) { 452 pw.println("used by other apps: " + dexUseInfo.getLoadingPackages()); 453 } 454 pw.decreaseIndent(); 455 } 456 pw.decreaseIndent(); 457 } 458 pw.decreaseIndent(); 459 } 460 } 461 462 /** 463 * Returns the compiler filter that should be used to optimize the package code. 464 * The target filter will be updated if the package code is used by other apps 465 * or if it has the safe mode flag set. 466 */ 467 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 468 boolean isUsedByOtherApps) { 469 int flags = info.flags; 470 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 471 if (vmSafeMode) { 472 return getSafeModeCompilerFilter(targetCompilerFilter); 473 } 474 475 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 476 // If the dex files is used by other apps, apply the shared filter. 477 return PackageManagerServiceCompilerMapping.getCompilerFilterForReason( 478 PackageManagerService.REASON_SHARED); 479 } 480 481 return targetCompilerFilter; 482 } 483 484 /** 485 * Computes the dex flags that needs to be pass to installd for the given package and compiler 486 * filter. 487 */ 488 private int getDexFlags(PackageParser.Package pkg, String compilerFilter, 489 boolean bootComplete) { 490 return getDexFlags(pkg.applicationInfo, compilerFilter, bootComplete); 491 } 492 493 private int getDexFlags(ApplicationInfo info, String compilerFilter, boolean bootComplete) { 494 int flags = info.flags; 495 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 496 // Profile guide compiled oat files should not be public. 497 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 498 boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter; 499 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 500 int dexFlags = 501 (isPublic ? DEXOPT_PUBLIC : 0) 502 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 503 | profileFlag 504 | (bootComplete ? DEXOPT_BOOTCOMPLETE : 0); 505 return adjustDexoptFlags(dexFlags); 506 } 507 508 /** 509 * Assesses if there's a need to perform dexopt on {@code path} for the given 510 * configuration (isa, compiler filter, profile). 511 */ 512 private int getDexoptNeeded(String path, String isa, String compilerFilter, 513 String classLoaderContext, boolean newProfile, boolean downgrade) { 514 int dexoptNeeded; 515 try { 516 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, classLoaderContext, 517 newProfile, downgrade); 518 } catch (IOException ioe) { 519 Slog.w(TAG, "IOException reading apk: " + path, ioe); 520 return DEX_OPT_FAILED; 521 } 522 return adjustDexoptNeeded(dexoptNeeded); 523 } 524 525 /** 526 * Checks if there is an update on the profile information of the {@code pkg}. 527 * If the compiler filter is not profile guided the method returns false. 528 * 529 * Note that this is a "destructive" operation with side effects. Under the hood the 530 * current profile and the reference profile will be merged and subsequent calls 531 * may return a different result. 532 */ 533 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String compilerFilter) { 534 // Check if we are allowed to merge and if the compiler filter is profile guided. 535 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 536 return false; 537 } 538 // Merge profiles. It returns whether or not there was an updated in the profile info. 539 try { 540 return mInstaller.mergeProfiles(uid, pkg.packageName); 541 } catch (InstallerException e) { 542 Slog.w(TAG, "Failed to merge profiles", e); 543 } 544 return false; 545 } 546 547 /** 548 * Creates oat dir for the specified package if needed and supported. 549 * In certain cases oat directory 550 * <strong>cannot</strong> be created: 551 * <ul> 552 * <li>{@code pkg} is a system app, which is not updated.</li> 553 * <li>Package location is not a directory, i.e. monolithic install.</li> 554 * </ul> 555 * 556 * @return Absolute path to the oat directory or null, if oat directory 557 * cannot be created. 558 */ 559 @Nullable 560 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 561 if (!pkg.canHaveOatDir()) { 562 return null; 563 } 564 File codePath = new File(pkg.codePath); 565 if (codePath.isDirectory()) { 566 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 567 // cluster packages). It seems that the logic for the folder creation is 568 // split between installd and here. 569 File oatDir = getOatDir(codePath); 570 try { 571 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 572 } catch (InstallerException e) { 573 Slog.w(TAG, "Failed to create oat dir", e); 574 return null; 575 } 576 return oatDir.getAbsolutePath(); 577 } 578 return null; 579 } 580 581 static File getOatDir(File codePath) { 582 return new File(codePath, OAT_DIR_NAME); 583 } 584 585 void systemReady() { 586 mSystemReady = true; 587 } 588 589 private String printDexoptFlags(int flags) { 590 ArrayList<String> flagsList = new ArrayList<>(); 591 592 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 593 flagsList.add("boot_complete"); 594 } 595 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 596 flagsList.add("debuggable"); 597 } 598 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 599 flagsList.add("profile_guided"); 600 } 601 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 602 flagsList.add("public"); 603 } 604 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 605 flagsList.add("secondary"); 606 } 607 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 608 flagsList.add("force"); 609 } 610 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 611 flagsList.add("storage_ce"); 612 } 613 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 614 flagsList.add("storage_de"); 615 } 616 if ((flags & DEXOPT_IDLE_BACKGROUND_JOB) == DEXOPT_IDLE_BACKGROUND_JOB) { 617 flagsList.add("idle_background_job"); 618 } 619 620 return String.join(",", flagsList); 621 } 622 623 /** 624 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 625 * dexopt path. 626 */ 627 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 628 629 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 630 Context context, String wakeLockTag) { 631 super(installer, installLock, context, wakeLockTag); 632 } 633 634 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 635 super(from); 636 } 637 638 @Override 639 protected int adjustDexoptNeeded(int dexoptNeeded) { 640 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 641 // Ensure compilation by pretending a compiler filter change on the 642 // apk/odex location (the reason for the '-'. A positive value means 643 // the 'oat' location). 644 return -DexFile.DEX2OAT_FOR_FILTER; 645 } 646 return dexoptNeeded; 647 } 648 649 @Override 650 protected int adjustDexoptFlags(int flags) { 651 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 652 // and discard dexoptanalyzer result. 653 return flags | DEXOPT_FORCE; 654 } 655 } 656} 657