PackageDexOptimizer.java revision b6f844d28cc7a7bf2b477a904263fcbe9b26d2c4
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 if (options.getSplitName() != null) { 166 // We are asked to compile only a specific split. Check that the current path is 167 // what we are looking for. 168 if (!options.getSplitName().equals(new File(path).getName())) { 169 continue; 170 } 171 } 172 173 String sharedLibrariesPathWithSplits; 174 if (sharedLibrariesPath != null && splitDependencies[i] != null) { 175 sharedLibrariesPathWithSplits = sharedLibrariesPath + ":" + splitDependencies[i]; 176 } else { 177 sharedLibrariesPathWithSplits = 178 splitDependencies[i] != null ? splitDependencies[i] : sharedLibrariesPath; 179 } 180 for (String dexCodeIsa : dexCodeInstructionSets) { 181 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, profileUpdated, 182 sharedLibrariesPathWithSplits, dexoptFlags, sharedGid, packageStats, 183 options.isDowngrade()); 184 // The end result is: 185 // - FAILED if any path failed, 186 // - PERFORMED if at least one path needed compilation, 187 // - SKIPPED when all paths are up to date 188 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 189 result = newResult; 190 } 191 } 192 } 193 return result; 194 } 195 196 /** 197 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 198 * 199 * @return 200 * DEX_OPT_FAILED if there was any exception during dexopt 201 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 202 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 203 */ 204 @GuardedBy("mInstallLock") 205 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 206 String compilerFilter, boolean profileUpdated, String sharedLibrariesPath, 207 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade) { 208 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, profileUpdated, downgrade); 209 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 210 return DEX_OPT_SKIPPED; 211 } 212 213 // TODO(calin): there's no need to try to create the oat dir over and over again, 214 // especially since it involve an extra installd call. We should create 215 // if (if supported) on the fly during the dexopt call. 216 String oatDir = createOatDirIfSupported(pkg, isa); 217 218 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 219 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 220 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 221 + " target-filter=" + compilerFilter + " oatDir=" + oatDir 222 + " sharedLibraries=" + sharedLibrariesPath); 223 224 try { 225 long startTime = System.currentTimeMillis(); 226 227 // TODO: Consider adding 2 different APIs for primary and secondary dexopt. 228 // installd only uses downgrade flag for secondary dex files and ignores it for 229 // primary dex files. 230 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 231 compilerFilter, pkg.volumeUuid, sharedLibrariesPath, pkg.applicationInfo.seInfo, 232 false /* downgrade*/); 233 234 if (packageStats != null) { 235 long endTime = System.currentTimeMillis(); 236 packageStats.setCompileTime(path, (int)(endTime - startTime)); 237 } 238 return DEX_OPT_PERFORMED; 239 } catch (InstallerException e) { 240 Slog.w(TAG, "Failed to dexopt", e); 241 return DEX_OPT_FAILED; 242 } 243 } 244 245 /** 246 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 247 * 248 * @return 249 * DEX_OPT_FAILED if there was any exception during dexopt 250 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 251 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 252 * didn't need an update. That's because at the moment we don't get more than success/failure 253 * from installd. 254 * 255 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 256 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 257 * that seems wasteful. 258 */ 259 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, Set<String> isas, 260 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 261 synchronized (mInstallLock) { 262 final long acquireTime = acquireWakeLockLI(info.uid); 263 try { 264 return dexOptSecondaryDexPathLI(info, path, isas, compilerFilter, 265 isUsedByOtherApps, downgrade); 266 } finally { 267 releaseWakeLockLI(acquireTime); 268 } 269 } 270 } 271 272 @GuardedBy("mInstallLock") 273 private long acquireWakeLockLI(final int uid) { 274 // During boot the system doesn't need to instantiate and obtain a wake lock. 275 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 276 // dexopt. 277 if (!mSystemReady) { 278 return -1; 279 } 280 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 281 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 282 return SystemClock.elapsedRealtime(); 283 } 284 285 @GuardedBy("mInstallLock") 286 private void releaseWakeLockLI(final long acquireTime) { 287 if (acquireTime < 0) { 288 return; 289 } 290 try { 291 if (mDexoptWakeLock.isHeld()) { 292 mDexoptWakeLock.release(); 293 } 294 final long duration = SystemClock.elapsedRealtime() - acquireTime; 295 if (duration >= WAKELOCK_TIMEOUT_MS) { 296 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 297 + " time out. Operation took " + duration + " ms. Thread: " 298 + Thread.currentThread().getName()); 299 } 300 } catch (Exception e) { 301 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 302 } 303 } 304 305 @GuardedBy("mInstallLock") 306 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, Set<String> isas, 307 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 308 compilerFilter = getRealCompilerFilter(info, compilerFilter, isUsedByOtherApps); 309 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 310 // Secondary dex files are currently not compiled at boot. 311 int dexoptFlags = getDexFlags(info, compilerFilter, /* bootComplete */ true) 312 | DEXOPT_SECONDARY_DEX; 313 // Check the app storage and add the appropriate flags. 314 if (info.deviceProtectedDataDir != null && 315 FileUtils.contains(info.deviceProtectedDataDir, path)) { 316 dexoptFlags |= DEXOPT_STORAGE_DE; 317 } else if (info.credentialProtectedDataDir != null && 318 FileUtils.contains(info.credentialProtectedDataDir, path)) { 319 dexoptFlags |= DEXOPT_STORAGE_CE; 320 } else { 321 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 322 return DEX_OPT_FAILED; 323 } 324 Log.d(TAG, "Running dexopt on: " + path 325 + " pkg=" + info.packageName + " isa=" + isas 326 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 327 + " target-filter=" + compilerFilter); 328 329 try { 330 for (String isa : isas) { 331 // Reuse the same dexopt path as for the primary apks. We don't need all the 332 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 333 // system server cannot read untrusted app content. 334 // TODO(calin): maybe add a separate call. 335 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 336 /*oatDir*/ null, dexoptFlags, 337 compilerFilter, info.volumeUuid, SKIP_SHARED_LIBRARY_CHECK, info.seInfoUser, 338 downgrade); 339 } 340 341 return DEX_OPT_PERFORMED; 342 } catch (InstallerException e) { 343 Slog.w(TAG, "Failed to dexopt", e); 344 return DEX_OPT_FAILED; 345 } 346 } 347 348 /** 349 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 350 * optimize or not (and in what way). 351 */ 352 protected int adjustDexoptNeeded(int dexoptNeeded) { 353 return dexoptNeeded; 354 } 355 356 /** 357 * Adjust the given dexopt flags that will be passed to the installer. 358 */ 359 protected int adjustDexoptFlags(int dexoptFlags) { 360 return dexoptFlags; 361 } 362 363 /** 364 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 365 */ 366 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg) { 367 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 368 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 369 370 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 371 372 for (String instructionSet : dexCodeInstructionSets) { 373 pw.println("Instruction Set: " + instructionSet); 374 pw.increaseIndent(); 375 for (String path : paths) { 376 String status = null; 377 try { 378 status = DexFile.getDexFileStatus(path, instructionSet); 379 } catch (IOException ioe) { 380 status = "[Exception]: " + ioe.getMessage(); 381 } 382 pw.println("path: " + path); 383 pw.println("status: " + status); 384 } 385 pw.decreaseIndent(); 386 } 387 } 388 389 /** 390 * Returns the compiler filter that should be used to optimize the package code. 391 * The target filter will be updated if the package code is used by other apps 392 * or if it has the safe mode flag set. 393 */ 394 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 395 boolean isUsedByOtherApps) { 396 int flags = info.flags; 397 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 398 if (vmSafeMode) { 399 return getSafeModeCompilerFilter(targetCompilerFilter); 400 } 401 402 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 403 // If the dex files is used by other apps, we cannot use profile-guided compilation. 404 return getNonProfileGuidedCompilerFilter(targetCompilerFilter); 405 } 406 407 return targetCompilerFilter; 408 } 409 410 /** 411 * Computes the dex flags that needs to be pass to installd for the given package and compiler 412 * filter. 413 */ 414 private int getDexFlags(PackageParser.Package pkg, String compilerFilter, 415 boolean bootComplete) { 416 return getDexFlags(pkg.applicationInfo, compilerFilter, bootComplete); 417 } 418 419 private int getDexFlags(ApplicationInfo info, String compilerFilter, boolean bootComplete) { 420 int flags = info.flags; 421 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 422 // Profile guide compiled oat files should not be public. 423 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 424 boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter; 425 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 426 int dexFlags = 427 (isPublic ? DEXOPT_PUBLIC : 0) 428 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 429 | profileFlag 430 | (bootComplete ? DEXOPT_BOOTCOMPLETE : 0); 431 return adjustDexoptFlags(dexFlags); 432 } 433 434 /** 435 * Assesses if there's a need to perform dexopt on {@code path} for the given 436 * configuration (isa, compiler filter, profile). 437 */ 438 private int getDexoptNeeded(String path, String isa, String compilerFilter, 439 boolean newProfile, boolean downgrade) { 440 int dexoptNeeded; 441 try { 442 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, newProfile, 443 downgrade); 444 } catch (IOException ioe) { 445 Slog.w(TAG, "IOException reading apk: " + path, ioe); 446 return DEX_OPT_FAILED; 447 } 448 return adjustDexoptNeeded(dexoptNeeded); 449 } 450 451 /** 452 * Computes the shared libraries path that should be passed to dexopt. 453 */ 454 private String getSharedLibrariesPath(String[] sharedLibraries) { 455 if (sharedLibraries == null || sharedLibraries.length == 0) { 456 return null; 457 } 458 StringBuilder sb = new StringBuilder(); 459 for (String lib : sharedLibraries) { 460 if (sb.length() != 0) { 461 sb.append(":"); 462 } 463 sb.append(lib); 464 } 465 return sb.toString(); 466 } 467 468 /** 469 * Walks dependency tree and gathers the dependencies for each split in a split apk. 470 * The split paths are stored as relative paths, separated by colons. 471 */ 472 private String[] getSplitDependencies(PackageParser.Package pkg) { 473 // Convert all the code paths to relative paths. 474 String baseCodePath = new File(pkg.baseCodePath).getParent(); 475 List<String> paths = pkg.getAllCodePaths(); 476 String[] splitDependencies = new String[paths.size()]; 477 for (int i = 0; i < paths.size(); i++) { 478 File pathFile = new File(paths.get(i)); 479 String fileName = pathFile.getName(); 480 paths.set(i, fileName); 481 482 // Sanity check that the base paths of the splits are all the same. 483 String basePath = pathFile.getParent(); 484 if (!basePath.equals(baseCodePath)) { 485 Slog.wtf(TAG, "Split paths have different base paths: " + basePath + " and " + 486 baseCodePath); 487 } 488 } 489 490 // If there are no other dependencies, fill in the implicit dependency on the base apk. 491 SparseArray<int[]> dependencies = pkg.applicationInfo.splitDependencies; 492 if (dependencies == null) { 493 for (int i = 1; i < paths.size(); i++) { 494 splitDependencies[i] = paths.get(0); 495 } 496 return splitDependencies; 497 } 498 499 // Fill in the dependencies, skipping the base apk which has no dependencies. 500 for (int i = 1; i < dependencies.size(); i++) { 501 getParentDependencies(dependencies.keyAt(i), paths, dependencies, splitDependencies); 502 } 503 504 return splitDependencies; 505 } 506 507 /** 508 * Recursive method to generate dependencies for a particular split. 509 * The index is a key from the package's splitDependencies. 510 */ 511 private String getParentDependencies(int index, List<String> paths, 512 SparseArray<int[]> dependencies, String[] splitDependencies) { 513 // The base apk is always first, and has no dependencies. 514 if (index == 0) { 515 return null; 516 } 517 // Return the result if we've computed the dependencies for this index already. 518 if (splitDependencies[index] != null) { 519 return splitDependencies[index]; 520 } 521 // Get the dependencies for the parent of this index and append its path to it. 522 int parent = dependencies.get(index)[0]; 523 String parentDependencies = 524 getParentDependencies(parent, paths, dependencies, splitDependencies); 525 String path = parentDependencies == null ? paths.get(parent) : 526 parentDependencies + ":" + paths.get(parent); 527 splitDependencies[index] = path; 528 return path; 529 } 530 531 /** 532 * Checks if there is an update on the profile information of the {@code pkg}. 533 * If the compiler filter is not profile guided the method returns false. 534 * 535 * Note that this is a "destructive" operation with side effects. Under the hood the 536 * current profile and the reference profile will be merged and subsequent calls 537 * may return a different result. 538 */ 539 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String compilerFilter) { 540 // Check if we are allowed to merge and if the compiler filter is profile guided. 541 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 542 return false; 543 } 544 // Merge profiles. It returns whether or not there was an updated in the profile info. 545 try { 546 return mInstaller.mergeProfiles(uid, pkg.packageName); 547 } catch (InstallerException e) { 548 Slog.w(TAG, "Failed to merge profiles", e); 549 } 550 return false; 551 } 552 553 /** 554 * Creates oat dir for the specified package if needed and supported. 555 * In certain cases oat directory 556 * <strong>cannot</strong> be created: 557 * <ul> 558 * <li>{@code pkg} is a system app, which is not updated.</li> 559 * <li>Package location is not a directory, i.e. monolithic install.</li> 560 * </ul> 561 * 562 * @return Absolute path to the oat directory or null, if oat directory 563 * cannot be created. 564 */ 565 @Nullable 566 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 567 if (!pkg.canHaveOatDir()) { 568 return null; 569 } 570 File codePath = new File(pkg.codePath); 571 if (codePath.isDirectory()) { 572 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 573 // cluster packages). It seems that the logic for the folder creation is 574 // split between installd and here. 575 File oatDir = getOatDir(codePath); 576 try { 577 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 578 } catch (InstallerException e) { 579 Slog.w(TAG, "Failed to create oat dir", e); 580 return null; 581 } 582 return oatDir.getAbsolutePath(); 583 } 584 return null; 585 } 586 587 static File getOatDir(File codePath) { 588 return new File(codePath, OAT_DIR_NAME); 589 } 590 591 void systemReady() { 592 mSystemReady = true; 593 } 594 595 private String printDexoptFlags(int flags) { 596 ArrayList<String> flagsList = new ArrayList<>(); 597 598 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 599 flagsList.add("boot_complete"); 600 } 601 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 602 flagsList.add("debuggable"); 603 } 604 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 605 flagsList.add("profile_guided"); 606 } 607 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 608 flagsList.add("public"); 609 } 610 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 611 flagsList.add("secondary"); 612 } 613 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 614 flagsList.add("force"); 615 } 616 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 617 flagsList.add("storage_ce"); 618 } 619 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 620 flagsList.add("storage_de"); 621 } 622 623 return String.join(",", flagsList); 624 } 625 626 /** 627 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 628 * dexopt path. 629 */ 630 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 631 632 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 633 Context context, String wakeLockTag) { 634 super(installer, installLock, context, wakeLockTag); 635 } 636 637 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 638 super(from); 639 } 640 641 @Override 642 protected int adjustDexoptNeeded(int dexoptNeeded) { 643 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 644 // Ensure compilation by pretending a compiler filter change on the 645 // apk/odex location (the reason for the '-'. A positive value means 646 // the 'oat' location). 647 return -DexFile.DEX2OAT_FOR_FILTER; 648 } 649 return dexoptNeeded; 650 } 651 652 @Override 653 protected int adjustDexoptFlags(int flags) { 654 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 655 // and discard dexoptanalyzer result. 656 return flags | DEXOPT_FORCE; 657 } 658 } 659} 660