PackageDexOptimizer.java revision 1d0e83d2cee794ba576d573119e826905a4422cd
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; 30import android.util.SparseArray; 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.DexoptOptions; 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 final String sharedLibrariesPath = getSharedLibrariesPath(sharedLibraries); 150 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 151 final int dexoptFlags = getDexFlags(pkg, compilerFilter, options.isBootComplete()); 152 // Get the dependencies of each split in the package. For each code path in the package, 153 // this array contains the relative paths of each split it depends on, separated by colons. 154 String[] splitDependencies = getSplitDependencies(pkg); 155 156 int result = DEX_OPT_SKIPPED; 157 for (int i = 0; i < paths.size(); i++) { 158 // Skip paths that have no code. 159 if ((i == 0 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) || 160 (i != 0 && (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) == 0)) { 161 continue; 162 } 163 // Append shared libraries with split dependencies for this split. 164 String path = paths.get(i); 165 String sharedLibrariesPathWithSplits; 166 if (sharedLibrariesPath != null && splitDependencies[i] != null) { 167 sharedLibrariesPathWithSplits = sharedLibrariesPath + ":" + splitDependencies[i]; 168 } else { 169 sharedLibrariesPathWithSplits = 170 splitDependencies[i] != null ? splitDependencies[i] : sharedLibrariesPath; 171 } 172 for (String dexCodeIsa : dexCodeInstructionSets) { 173 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, profileUpdated, 174 sharedLibrariesPathWithSplits, dexoptFlags, sharedGid, packageStats, 175 options.isDowngrade()); 176 // The end result is: 177 // - FAILED if any path failed, 178 // - PERFORMED if at least one path needed compilation, 179 // - SKIPPED when all paths are up to date 180 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 181 result = newResult; 182 } 183 } 184 } 185 return result; 186 } 187 188 /** 189 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 190 * 191 * @return 192 * DEX_OPT_FAILED if there was any exception during dexopt 193 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 194 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 195 */ 196 @GuardedBy("mInstallLock") 197 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 198 String compilerFilter, boolean profileUpdated, String sharedLibrariesPath, 199 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade) { 200 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, profileUpdated, downgrade); 201 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 202 return DEX_OPT_SKIPPED; 203 } 204 205 // TODO(calin): there's no need to try to create the oat dir over and over again, 206 // especially since it involve an extra installd call. We should create 207 // if (if supported) on the fly during the dexopt call. 208 String oatDir = createOatDirIfSupported(pkg, isa); 209 210 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 211 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 212 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 213 + " target-filter=" + compilerFilter + " oatDir=" + oatDir 214 + " sharedLibraries=" + sharedLibrariesPath); 215 216 try { 217 long startTime = System.currentTimeMillis(); 218 219 // TODO: Consider adding 2 different APIs for primary and secondary dexopt. 220 // installd only uses downgrade flag for secondary dex files and ignores it for 221 // primary dex files. 222 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 223 compilerFilter, pkg.volumeUuid, sharedLibrariesPath, pkg.applicationInfo.seInfo, 224 false /* downgrade*/); 225 226 if (packageStats != null) { 227 long endTime = System.currentTimeMillis(); 228 packageStats.setCompileTime(path, (int)(endTime - startTime)); 229 } 230 return DEX_OPT_PERFORMED; 231 } catch (InstallerException e) { 232 Slog.w(TAG, "Failed to dexopt", e); 233 return DEX_OPT_FAILED; 234 } 235 } 236 237 /** 238 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 239 * 240 * @return 241 * DEX_OPT_FAILED if there was any exception during dexopt 242 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 243 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 244 * didn't need an update. That's because at the moment we don't get more than success/failure 245 * from installd. 246 * 247 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 248 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 249 * that seems wasteful. 250 */ 251 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, Set<String> isas, 252 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 253 synchronized (mInstallLock) { 254 final long acquireTime = acquireWakeLockLI(info.uid); 255 try { 256 return dexOptSecondaryDexPathLI(info, path, isas, compilerFilter, 257 isUsedByOtherApps, downgrade); 258 } finally { 259 releaseWakeLockLI(acquireTime); 260 } 261 } 262 } 263 264 @GuardedBy("mInstallLock") 265 private long acquireWakeLockLI(final int uid) { 266 // During boot the system doesn't need to instantiate and obtain a wake lock. 267 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 268 // dexopt. 269 if (!mSystemReady) { 270 return -1; 271 } 272 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 273 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 274 return SystemClock.elapsedRealtime(); 275 } 276 277 @GuardedBy("mInstallLock") 278 private void releaseWakeLockLI(final long acquireTime) { 279 if (acquireTime < 0) { 280 return; 281 } 282 try { 283 if (mDexoptWakeLock.isHeld()) { 284 mDexoptWakeLock.release(); 285 } 286 final long duration = SystemClock.elapsedRealtime() - acquireTime; 287 if (duration >= WAKELOCK_TIMEOUT_MS) { 288 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 289 + " time out. Operation took " + duration + " ms. Thread: " 290 + Thread.currentThread().getName()); 291 } 292 } catch (Exception e) { 293 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 294 } 295 } 296 297 @GuardedBy("mInstallLock") 298 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, Set<String> isas, 299 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 300 compilerFilter = getRealCompilerFilter(info, compilerFilter, isUsedByOtherApps); 301 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 302 // Secondary dex files are currently not compiled at boot. 303 int dexoptFlags = getDexFlags(info, compilerFilter, /* bootComplete */ true) 304 | DEXOPT_SECONDARY_DEX; 305 // Check the app storage and add the appropriate flags. 306 if (info.deviceProtectedDataDir != null && 307 FileUtils.contains(info.deviceProtectedDataDir, path)) { 308 dexoptFlags |= DEXOPT_STORAGE_DE; 309 } else if (info.credentialProtectedDataDir != null && 310 FileUtils.contains(info.credentialProtectedDataDir, path)) { 311 dexoptFlags |= DEXOPT_STORAGE_CE; 312 } else { 313 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 314 return DEX_OPT_FAILED; 315 } 316 Log.d(TAG, "Running dexopt on: " + path 317 + " pkg=" + info.packageName + " isa=" + isas 318 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 319 + " target-filter=" + compilerFilter); 320 321 try { 322 for (String isa : isas) { 323 // Reuse the same dexopt path as for the primary apks. We don't need all the 324 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 325 // system server cannot read untrusted app content. 326 // TODO(calin): maybe add a separate call. 327 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 328 /*oatDir*/ null, dexoptFlags, 329 compilerFilter, info.volumeUuid, SKIP_SHARED_LIBRARY_CHECK, info.seInfoUser, 330 downgrade); 331 } 332 333 return DEX_OPT_PERFORMED; 334 } catch (InstallerException e) { 335 Slog.w(TAG, "Failed to dexopt", e); 336 return DEX_OPT_FAILED; 337 } 338 } 339 340 /** 341 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 342 * optimize or not (and in what way). 343 */ 344 protected int adjustDexoptNeeded(int dexoptNeeded) { 345 return dexoptNeeded; 346 } 347 348 /** 349 * Adjust the given dexopt flags that will be passed to the installer. 350 */ 351 protected int adjustDexoptFlags(int dexoptFlags) { 352 return dexoptFlags; 353 } 354 355 /** 356 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 357 */ 358 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg) { 359 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 360 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 361 362 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 363 364 for (String instructionSet : dexCodeInstructionSets) { 365 pw.println("Instruction Set: " + instructionSet); 366 pw.increaseIndent(); 367 for (String path : paths) { 368 String status = null; 369 try { 370 status = DexFile.getDexFileStatus(path, instructionSet); 371 } catch (IOException ioe) { 372 status = "[Exception]: " + ioe.getMessage(); 373 } 374 pw.println("path: " + path); 375 pw.println("status: " + status); 376 } 377 pw.decreaseIndent(); 378 } 379 } 380 381 /** 382 * Returns the compiler filter that should be used to optimize the package code. 383 * The target filter will be updated if the package code is used by other apps 384 * or if it has the safe mode flag set. 385 */ 386 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 387 boolean isUsedByOtherApps) { 388 int flags = info.flags; 389 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 390 if (vmSafeMode) { 391 return getSafeModeCompilerFilter(targetCompilerFilter); 392 } 393 394 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 395 // If the dex files is used by other apps, we cannot use profile-guided compilation. 396 return getNonProfileGuidedCompilerFilter(targetCompilerFilter); 397 } 398 399 return targetCompilerFilter; 400 } 401 402 /** 403 * Computes the dex flags that needs to be pass to installd for the given package and compiler 404 * filter. 405 */ 406 private int getDexFlags(PackageParser.Package pkg, String compilerFilter, 407 boolean bootComplete) { 408 return getDexFlags(pkg.applicationInfo, compilerFilter, bootComplete); 409 } 410 411 private int getDexFlags(ApplicationInfo info, String compilerFilter, boolean bootComplete) { 412 int flags = info.flags; 413 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 414 // Profile guide compiled oat files should not be public. 415 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 416 boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter; 417 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 418 int dexFlags = 419 (isPublic ? DEXOPT_PUBLIC : 0) 420 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 421 | profileFlag 422 | (bootComplete ? DEXOPT_BOOTCOMPLETE : 0); 423 return adjustDexoptFlags(dexFlags); 424 } 425 426 /** 427 * Assesses if there's a need to perform dexopt on {@code path} for the given 428 * configuration (isa, compiler filter, profile). 429 */ 430 private int getDexoptNeeded(String path, String isa, String compilerFilter, 431 boolean newProfile, boolean downgrade) { 432 int dexoptNeeded; 433 try { 434 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, newProfile, 435 downgrade); 436 } catch (IOException ioe) { 437 Slog.w(TAG, "IOException reading apk: " + path, ioe); 438 return DEX_OPT_FAILED; 439 } 440 return adjustDexoptNeeded(dexoptNeeded); 441 } 442 443 /** 444 * Computes the shared libraries path that should be passed to dexopt. 445 */ 446 private String getSharedLibrariesPath(String[] sharedLibraries) { 447 if (sharedLibraries == null || sharedLibraries.length == 0) { 448 return null; 449 } 450 StringBuilder sb = new StringBuilder(); 451 for (String lib : sharedLibraries) { 452 if (sb.length() != 0) { 453 sb.append(":"); 454 } 455 sb.append(lib); 456 } 457 return sb.toString(); 458 } 459 460 /** 461 * Walks dependency tree and gathers the dependencies for each split in a split apk. 462 * The split paths are stored as relative paths, separated by colons. 463 */ 464 private String[] getSplitDependencies(PackageParser.Package pkg) { 465 // Convert all the code paths to relative paths. 466 String baseCodePath = new File(pkg.baseCodePath).getParent(); 467 List<String> paths = pkg.getAllCodePaths(); 468 String[] splitDependencies = new String[paths.size()]; 469 for (int i = 0; i < paths.size(); i++) { 470 File pathFile = new File(paths.get(i)); 471 String fileName = pathFile.getName(); 472 paths.set(i, fileName); 473 474 // Sanity check that the base paths of the splits are all the same. 475 String basePath = pathFile.getParent(); 476 if (!basePath.equals(baseCodePath)) { 477 Slog.wtf(TAG, "Split paths have different base paths: " + basePath + " and " + 478 baseCodePath); 479 } 480 } 481 482 // If there are no other dependencies, fill in the implicit dependency on the base apk. 483 SparseArray<int[]> dependencies = pkg.applicationInfo.splitDependencies; 484 if (dependencies == null) { 485 for (int i = 1; i < paths.size(); i++) { 486 splitDependencies[i] = paths.get(0); 487 } 488 return splitDependencies; 489 } 490 491 // Fill in the dependencies, skipping the base apk which has no dependencies. 492 for (int i = 1; i < dependencies.size(); i++) { 493 getParentDependencies(dependencies.keyAt(i), paths, dependencies, splitDependencies); 494 } 495 496 return splitDependencies; 497 } 498 499 /** 500 * Recursive method to generate dependencies for a particular split. 501 * The index is a key from the package's splitDependencies. 502 */ 503 private String getParentDependencies(int index, List<String> paths, 504 SparseArray<int[]> dependencies, String[] splitDependencies) { 505 // The base apk is always first, and has no dependencies. 506 if (index == 0) { 507 return null; 508 } 509 // Return the result if we've computed the dependencies for this index already. 510 if (splitDependencies[index] != null) { 511 return splitDependencies[index]; 512 } 513 // Get the dependencies for the parent of this index and append its path to it. 514 int parent = dependencies.get(index)[0]; 515 String parentDependencies = 516 getParentDependencies(parent, paths, dependencies, splitDependencies); 517 String path = parentDependencies == null ? paths.get(parent) : 518 parentDependencies + ":" + paths.get(parent); 519 splitDependencies[index] = path; 520 return path; 521 } 522 523 /** 524 * Checks if there is an update on the profile information of the {@code pkg}. 525 * If the compiler filter is not profile guided the method returns false. 526 * 527 * Note that this is a "destructive" operation with side effects. Under the hood the 528 * current profile and the reference profile will be merged and subsequent calls 529 * may return a different result. 530 */ 531 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String compilerFilter) { 532 // Check if we are allowed to merge and if the compiler filter is profile guided. 533 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 534 return false; 535 } 536 // Merge profiles. It returns whether or not there was an updated in the profile info. 537 try { 538 return mInstaller.mergeProfiles(uid, pkg.packageName); 539 } catch (InstallerException e) { 540 Slog.w(TAG, "Failed to merge profiles", e); 541 } 542 return false; 543 } 544 545 /** 546 * Creates oat dir for the specified package if needed and supported. 547 * In certain cases oat directory 548 * <strong>cannot</strong> be created: 549 * <ul> 550 * <li>{@code pkg} is a system app, which is not updated.</li> 551 * <li>Package location is not a directory, i.e. monolithic install.</li> 552 * </ul> 553 * 554 * @return Absolute path to the oat directory or null, if oat directory 555 * cannot be created. 556 */ 557 @Nullable 558 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 559 if (!pkg.canHaveOatDir()) { 560 return null; 561 } 562 File codePath = new File(pkg.codePath); 563 if (codePath.isDirectory()) { 564 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 565 // cluster packages). It seems that the logic for the folder creation is 566 // split between installd and here. 567 File oatDir = getOatDir(codePath); 568 try { 569 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 570 } catch (InstallerException e) { 571 Slog.w(TAG, "Failed to create oat dir", e); 572 return null; 573 } 574 return oatDir.getAbsolutePath(); 575 } 576 return null; 577 } 578 579 static File getOatDir(File codePath) { 580 return new File(codePath, OAT_DIR_NAME); 581 } 582 583 void systemReady() { 584 mSystemReady = true; 585 } 586 587 private String printDexoptFlags(int flags) { 588 ArrayList<String> flagsList = new ArrayList<>(); 589 590 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 591 flagsList.add("boot_complete"); 592 } 593 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 594 flagsList.add("debuggable"); 595 } 596 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 597 flagsList.add("profile_guided"); 598 } 599 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 600 flagsList.add("public"); 601 } 602 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 603 flagsList.add("secondary"); 604 } 605 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 606 flagsList.add("force"); 607 } 608 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 609 flagsList.add("storage_ce"); 610 } 611 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 612 flagsList.add("storage_de"); 613 } 614 615 return String.join(",", flagsList); 616 } 617 618 /** 619 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 620 * dexopt path. 621 */ 622 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 623 624 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 625 Context context, String wakeLockTag) { 626 super(installer, installLock, context, wakeLockTag); 627 } 628 629 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 630 super(from); 631 } 632 633 @Override 634 protected int adjustDexoptNeeded(int dexoptNeeded) { 635 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 636 // Ensure compilation by pretending a compiler filter change on the 637 // apk/odex location (the reason for the '-'. A positive value means 638 // the 'oat' location). 639 return -DexFile.DEX2OAT_FOR_FILTER; 640 } 641 return dexoptNeeded; 642 } 643 644 @Override 645 protected int adjustDexoptFlags(int flags) { 646 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 647 // and discard dexoptanalyzer result. 648 return flags | DEXOPT_FORCE; 649 } 650 } 651} 652