PackageDexOptimizer.java revision 19da1cf72e8c448743a8c27ac6d73424ae42c7ec
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.UserHandle; 27import android.os.WorkSource; 28import android.util.Log; 29import android.util.Slog; 30 31import com.android.internal.annotations.GuardedBy; 32import com.android.internal.util.IndentingPrintWriter; 33import com.android.server.pm.Installer.InstallerException; 34import com.android.server.pm.dex.DexoptOptions; 35import com.android.server.pm.dex.DexoptUtils; 36 37import java.io.File; 38import java.io.IOException; 39import java.util.ArrayList; 40import java.util.List; 41import java.util.Set; 42 43import dalvik.system.DexFile; 44 45import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; 46import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; 47import static com.android.server.pm.Installer.DEXOPT_PROFILE_GUIDED; 48import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 49import static com.android.server.pm.Installer.DEXOPT_SECONDARY_DEX; 50import static com.android.server.pm.Installer.DEXOPT_FORCE; 51import static com.android.server.pm.Installer.DEXOPT_STORAGE_CE; 52import static com.android.server.pm.Installer.DEXOPT_STORAGE_DE; 53import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 54import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 55 56import static com.android.server.pm.PackageManagerService.WATCHDOG_TIMEOUT; 57 58import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 59import static dalvik.system.DexFile.getSafeModeCompilerFilter; 60import static dalvik.system.DexFile.isProfileGuidedCompilerFilter; 61 62/** 63 * Helper class for running dexopt command on packages. 64 */ 65public class PackageDexOptimizer { 66 private static final String TAG = "PackageManager.DexOptimizer"; 67 static final String OAT_DIR_NAME = "oat"; 68 // TODO b/19550105 Remove error codes and use exceptions 69 public static final int DEX_OPT_SKIPPED = 0; 70 public static final int DEX_OPT_PERFORMED = 1; 71 public static final int DEX_OPT_FAILED = -1; 72 // One minute over PM WATCHDOG_TIMEOUT 73 private static final long WAKELOCK_TIMEOUT_MS = WATCHDOG_TIMEOUT + 1000 * 60; 74 75 /** Special library name that skips shared libraries check during compilation. */ 76 public static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 77 78 @GuardedBy("mInstallLock") 79 private final Installer mInstaller; 80 private final Object mInstallLock; 81 82 @GuardedBy("mInstallLock") 83 private final PowerManager.WakeLock mDexoptWakeLock; 84 private volatile boolean mSystemReady; 85 86 PackageDexOptimizer(Installer installer, Object installLock, Context context, 87 String wakeLockTag) { 88 this.mInstaller = installer; 89 this.mInstallLock = installLock; 90 91 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 92 mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); 93 } 94 95 protected PackageDexOptimizer(PackageDexOptimizer from) { 96 this.mInstaller = from.mInstaller; 97 this.mInstallLock = from.mInstallLock; 98 this.mDexoptWakeLock = from.mDexoptWakeLock; 99 this.mSystemReady = from.mSystemReady; 100 } 101 102 static boolean canOptimizePackage(PackageParser.Package pkg) { 103 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 104 } 105 106 /** 107 * Performs dexopt on all code paths and libraries of the specified package for specified 108 * instruction sets. 109 * 110 * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are 111 * synchronized on {@link #mInstallLock}. 112 */ 113 int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, 114 String[] instructionSets, CompilerStats.PackageStats packageStats, 115 boolean isUsedByOtherApps, DexoptOptions options) { 116 if (!canOptimizePackage(pkg)) { 117 return DEX_OPT_SKIPPED; 118 } 119 synchronized (mInstallLock) { 120 final long acquireTime = acquireWakeLockLI(pkg.applicationInfo.uid); 121 try { 122 return performDexOptLI(pkg, sharedLibraries, instructionSets, 123 packageStats, isUsedByOtherApps, options); 124 } finally { 125 releaseWakeLockLI(acquireTime); 126 } 127 } 128 } 129 130 /** 131 * Performs dexopt on all code paths of the given package. 132 * It assumes the install lock is held. 133 */ 134 @GuardedBy("mInstallLock") 135 private int performDexOptLI(PackageParser.Package pkg, String[] sharedLibraries, 136 String[] targetInstructionSets, CompilerStats.PackageStats packageStats, 137 boolean isUsedByOtherApps, DexoptOptions options) { 138 final String[] instructionSets = targetInstructionSets != null ? 139 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 140 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 141 final List<String> paths = pkg.getAllCodePaths(); 142 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 143 144 final String compilerFilter = getRealCompilerFilter(pkg.applicationInfo, 145 options.getCompilerFilter(), isUsedByOtherApps); 146 final boolean profileUpdated = options.isCheckForProfileUpdates() && 147 isProfileUpdated(pkg, sharedGid, compilerFilter); 148 149 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 150 final int dexoptFlags = getDexFlags(pkg, compilerFilter, options.isBootComplete()); 151 152 // Get the class loader context dependencies. 153 // For each code path in the package, this array contains the class loader context that 154 // needs to be passed to dexopt in order to ensure correct optimizations. 155 String[] classLoaderContexts = DexoptUtils.getClassLoaderContexts( 156 pkg.applicationInfo, sharedLibraries); 157 158 int result = DEX_OPT_SKIPPED; 159 for (int i = 0; i < paths.size(); i++) { 160 // Skip paths that have no code. 161 if ((i == 0 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) || 162 (i != 0 && (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) == 0)) { 163 continue; 164 } 165 // Append shared libraries with split dependencies for this split. 166 String path = paths.get(i); 167 if (options.getSplitName() != null) { 168 // We are asked to compile only a specific split. Check that the current path is 169 // what we are looking for. 170 if (!options.getSplitName().equals(new File(path).getName())) { 171 continue; 172 } 173 } 174 175 for (String dexCodeIsa : dexCodeInstructionSets) { 176 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, 177 profileUpdated, classLoaderContexts[i], dexoptFlags, sharedGid, 178 packageStats, options.isDowngrade()); 179 // The end result is: 180 // - FAILED if any path failed, 181 // - PERFORMED if at least one path needed compilation, 182 // - SKIPPED when all paths are up to date 183 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 184 result = newResult; 185 } 186 } 187 } 188 return result; 189 } 190 191 /** 192 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 193 * 194 * @return 195 * DEX_OPT_FAILED if there was any exception during dexopt 196 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 197 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 198 */ 199 @GuardedBy("mInstallLock") 200 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 201 String compilerFilter, boolean profileUpdated, String sharedLibrariesPath, 202 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade) { 203 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, profileUpdated, downgrade); 204 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 205 return DEX_OPT_SKIPPED; 206 } 207 208 // TODO(calin): there's no need to try to create the oat dir over and over again, 209 // especially since it involve an extra installd call. We should create 210 // if (if supported) on the fly during the dexopt call. 211 String oatDir = createOatDirIfSupported(pkg, isa); 212 213 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 214 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 215 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 216 + " target-filter=" + compilerFilter + " oatDir=" + oatDir 217 + " sharedLibraries=" + sharedLibrariesPath); 218 219 try { 220 long startTime = System.currentTimeMillis(); 221 222 // TODO: Consider adding 2 different APIs for primary and secondary dexopt. 223 // installd only uses downgrade flag for secondary dex files and ignores it for 224 // primary dex files. 225 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 226 compilerFilter, pkg.volumeUuid, sharedLibrariesPath, pkg.applicationInfo.seInfo, 227 false /* downgrade*/); 228 229 if (packageStats != null) { 230 long endTime = System.currentTimeMillis(); 231 packageStats.setCompileTime(path, (int)(endTime - startTime)); 232 } 233 return DEX_OPT_PERFORMED; 234 } catch (InstallerException e) { 235 Slog.w(TAG, "Failed to dexopt", e); 236 return DEX_OPT_FAILED; 237 } 238 } 239 240 /** 241 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 242 * 243 * @return 244 * DEX_OPT_FAILED if there was any exception during dexopt 245 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 246 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 247 * didn't need an update. That's because at the moment we don't get more than success/failure 248 * from installd. 249 * 250 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 251 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 252 * that seems wasteful. 253 */ 254 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, Set<String> isas, 255 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 256 synchronized (mInstallLock) { 257 final long acquireTime = acquireWakeLockLI(info.uid); 258 try { 259 return dexOptSecondaryDexPathLI(info, path, isas, compilerFilter, 260 isUsedByOtherApps, downgrade); 261 } finally { 262 releaseWakeLockLI(acquireTime); 263 } 264 } 265 } 266 267 @GuardedBy("mInstallLock") 268 private long acquireWakeLockLI(final int uid) { 269 // During boot the system doesn't need to instantiate and obtain a wake lock. 270 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 271 // dexopt. 272 if (!mSystemReady) { 273 return -1; 274 } 275 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 276 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 277 return SystemClock.elapsedRealtime(); 278 } 279 280 @GuardedBy("mInstallLock") 281 private void releaseWakeLockLI(final long acquireTime) { 282 if (acquireTime < 0) { 283 return; 284 } 285 try { 286 if (mDexoptWakeLock.isHeld()) { 287 mDexoptWakeLock.release(); 288 } 289 final long duration = SystemClock.elapsedRealtime() - acquireTime; 290 if (duration >= WAKELOCK_TIMEOUT_MS) { 291 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 292 + " time out. Operation took " + duration + " ms. Thread: " 293 + Thread.currentThread().getName()); 294 } 295 } catch (Exception e) { 296 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 297 } 298 } 299 300 @GuardedBy("mInstallLock") 301 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, Set<String> isas, 302 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 303 compilerFilter = getRealCompilerFilter(info, compilerFilter, isUsedByOtherApps); 304 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 305 // Secondary dex files are currently not compiled at boot. 306 int dexoptFlags = getDexFlags(info, compilerFilter, /* bootComplete */ true) 307 | DEXOPT_SECONDARY_DEX; 308 // Check the app storage and add the appropriate flags. 309 if (info.deviceProtectedDataDir != null && 310 FileUtils.contains(info.deviceProtectedDataDir, path)) { 311 dexoptFlags |= DEXOPT_STORAGE_DE; 312 } else if (info.credentialProtectedDataDir != null && 313 FileUtils.contains(info.credentialProtectedDataDir, path)) { 314 dexoptFlags |= DEXOPT_STORAGE_CE; 315 } else { 316 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 317 return DEX_OPT_FAILED; 318 } 319 Log.d(TAG, "Running dexopt on: " + path 320 + " pkg=" + info.packageName + " isa=" + isas 321 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 322 + " target-filter=" + compilerFilter); 323 324 try { 325 for (String isa : isas) { 326 // Reuse the same dexopt path as for the primary apks. We don't need all the 327 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 328 // system server cannot read untrusted app content. 329 // TODO(calin): maybe add a separate call. 330 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 331 /*oatDir*/ null, dexoptFlags, 332 compilerFilter, info.volumeUuid, SKIP_SHARED_LIBRARY_CHECK, info.seInfoUser, 333 downgrade); 334 } 335 336 return DEX_OPT_PERFORMED; 337 } catch (InstallerException e) { 338 Slog.w(TAG, "Failed to dexopt", e); 339 return DEX_OPT_FAILED; 340 } 341 } 342 343 /** 344 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 345 * optimize or not (and in what way). 346 */ 347 protected int adjustDexoptNeeded(int dexoptNeeded) { 348 return dexoptNeeded; 349 } 350 351 /** 352 * Adjust the given dexopt flags that will be passed to the installer. 353 */ 354 protected int adjustDexoptFlags(int dexoptFlags) { 355 return dexoptFlags; 356 } 357 358 /** 359 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 360 */ 361 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg) { 362 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 363 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 364 365 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 366 367 for (String instructionSet : dexCodeInstructionSets) { 368 pw.println("Instruction Set: " + instructionSet); 369 pw.increaseIndent(); 370 for (String path : paths) { 371 String status = null; 372 try { 373 status = DexFile.getDexFileStatus(path, instructionSet); 374 } catch (IOException ioe) { 375 status = "[Exception]: " + ioe.getMessage(); 376 } 377 pw.println("path: " + path); 378 pw.println("status: " + status); 379 } 380 pw.decreaseIndent(); 381 } 382 } 383 384 /** 385 * Returns the compiler filter that should be used to optimize the package code. 386 * The target filter will be updated if the package code is used by other apps 387 * or if it has the safe mode flag set. 388 */ 389 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 390 boolean isUsedByOtherApps) { 391 int flags = info.flags; 392 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 393 if (vmSafeMode) { 394 return getSafeModeCompilerFilter(targetCompilerFilter); 395 } 396 397 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 398 // If the dex files is used by other apps, we cannot use profile-guided compilation. 399 return getNonProfileGuidedCompilerFilter(targetCompilerFilter); 400 } 401 402 return targetCompilerFilter; 403 } 404 405 /** 406 * Computes the dex flags that needs to be pass to installd for the given package and compiler 407 * filter. 408 */ 409 private int getDexFlags(PackageParser.Package pkg, String compilerFilter, 410 boolean bootComplete) { 411 return getDexFlags(pkg.applicationInfo, compilerFilter, bootComplete); 412 } 413 414 private int getDexFlags(ApplicationInfo info, String compilerFilter, boolean bootComplete) { 415 int flags = info.flags; 416 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 417 // Profile guide compiled oat files should not be public. 418 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 419 boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter; 420 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 421 int dexFlags = 422 (isPublic ? DEXOPT_PUBLIC : 0) 423 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 424 | profileFlag 425 | (bootComplete ? DEXOPT_BOOTCOMPLETE : 0); 426 return adjustDexoptFlags(dexFlags); 427 } 428 429 /** 430 * Assesses if there's a need to perform dexopt on {@code path} for the given 431 * configuration (isa, compiler filter, profile). 432 */ 433 private int getDexoptNeeded(String path, String isa, String compilerFilter, 434 boolean newProfile, boolean downgrade) { 435 int dexoptNeeded; 436 try { 437 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, newProfile, 438 downgrade); 439 } catch (IOException ioe) { 440 Slog.w(TAG, "IOException reading apk: " + path, ioe); 441 return DEX_OPT_FAILED; 442 } 443 return adjustDexoptNeeded(dexoptNeeded); 444 } 445 446 /** 447 * Checks if there is an update on the profile information of the {@code pkg}. 448 * If the compiler filter is not profile guided the method returns false. 449 * 450 * Note that this is a "destructive" operation with side effects. Under the hood the 451 * current profile and the reference profile will be merged and subsequent calls 452 * may return a different result. 453 */ 454 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String compilerFilter) { 455 // Check if we are allowed to merge and if the compiler filter is profile guided. 456 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 457 return false; 458 } 459 // Merge profiles. It returns whether or not there was an updated in the profile info. 460 try { 461 return mInstaller.mergeProfiles(uid, pkg.packageName); 462 } catch (InstallerException e) { 463 Slog.w(TAG, "Failed to merge profiles", e); 464 } 465 return false; 466 } 467 468 /** 469 * Creates oat dir for the specified package if needed and supported. 470 * In certain cases oat directory 471 * <strong>cannot</strong> be created: 472 * <ul> 473 * <li>{@code pkg} is a system app, which is not updated.</li> 474 * <li>Package location is not a directory, i.e. monolithic install.</li> 475 * </ul> 476 * 477 * @return Absolute path to the oat directory or null, if oat directory 478 * cannot be created. 479 */ 480 @Nullable 481 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 482 if (!pkg.canHaveOatDir()) { 483 return null; 484 } 485 File codePath = new File(pkg.codePath); 486 if (codePath.isDirectory()) { 487 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 488 // cluster packages). It seems that the logic for the folder creation is 489 // split between installd and here. 490 File oatDir = getOatDir(codePath); 491 try { 492 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 493 } catch (InstallerException e) { 494 Slog.w(TAG, "Failed to create oat dir", e); 495 return null; 496 } 497 return oatDir.getAbsolutePath(); 498 } 499 return null; 500 } 501 502 static File getOatDir(File codePath) { 503 return new File(codePath, OAT_DIR_NAME); 504 } 505 506 void systemReady() { 507 mSystemReady = true; 508 } 509 510 private String printDexoptFlags(int flags) { 511 ArrayList<String> flagsList = new ArrayList<>(); 512 513 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 514 flagsList.add("boot_complete"); 515 } 516 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 517 flagsList.add("debuggable"); 518 } 519 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 520 flagsList.add("profile_guided"); 521 } 522 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 523 flagsList.add("public"); 524 } 525 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 526 flagsList.add("secondary"); 527 } 528 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 529 flagsList.add("force"); 530 } 531 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 532 flagsList.add("storage_ce"); 533 } 534 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 535 flagsList.add("storage_de"); 536 } 537 538 return String.join(",", flagsList); 539 } 540 541 /** 542 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 543 * dexopt path. 544 */ 545 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 546 547 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 548 Context context, String wakeLockTag) { 549 super(installer, installLock, context, wakeLockTag); 550 } 551 552 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 553 super(from); 554 } 555 556 @Override 557 protected int adjustDexoptNeeded(int dexoptNeeded) { 558 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 559 // Ensure compilation by pretending a compiler filter change on the 560 // apk/odex location (the reason for the '-'. A positive value means 561 // the 'oat' location). 562 return -DexFile.DEX2OAT_FOR_FILTER; 563 } 564 return dexoptNeeded; 565 } 566 567 @Override 568 protected int adjustDexoptFlags(int flags) { 569 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 570 // and discard dexoptanalyzer result. 571 return flags | DEXOPT_FORCE; 572 } 573 } 574} 575