PackageDexOptimizer.java revision 731a7f38a9949bb9d15f9dd16514e7908c84ed9e
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.PackageInfo; 23import android.content.pm.PackageParser; 24import android.os.Environment; 25import android.os.FileUtils; 26import android.os.PowerManager; 27import android.os.SystemClock; 28import android.os.UserHandle; 29import android.os.WorkSource; 30import android.util.Log; 31import android.util.Slog; 32import android.util.SparseArray; 33 34import com.android.internal.annotations.GuardedBy; 35import com.android.internal.util.IndentingPrintWriter; 36import com.android.server.pm.Installer.InstallerException; 37 38import java.io.File; 39import java.io.IOException; 40import java.util.ArrayList; 41import java.util.List; 42import java.util.Set; 43 44import dalvik.system.DexFile; 45 46import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; 47import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; 48import static com.android.server.pm.Installer.DEXOPT_PROFILE_GUIDED; 49import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 50import static com.android.server.pm.Installer.DEXOPT_SAFEMODE; 51import static com.android.server.pm.Installer.DEXOPT_SECONDARY_DEX; 52import static com.android.server.pm.Installer.DEXOPT_FORCE; 53import static com.android.server.pm.Installer.DEXOPT_STORAGE_CE; 54import static com.android.server.pm.Installer.DEXOPT_STORAGE_DE; 55import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 56import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 57 58import static com.android.server.pm.PackageManagerService.WATCHDOG_TIMEOUT; 59 60import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 61import static dalvik.system.DexFile.getSafeModeCompilerFilter; 62import static dalvik.system.DexFile.isProfileGuidedCompilerFilter; 63 64/** 65 * Helper class for running dexopt command on packages. 66 */ 67public class PackageDexOptimizer { 68 private static final String TAG = "PackageManager.DexOptimizer"; 69 static final String OAT_DIR_NAME = "oat"; 70 // TODO b/19550105 Remove error codes and use exceptions 71 public static final int DEX_OPT_SKIPPED = 0; 72 public static final int DEX_OPT_PERFORMED = 1; 73 public static final int DEX_OPT_FAILED = -1; 74 // One minute over PM WATCHDOG_TIMEOUT 75 private static final long WAKELOCK_TIMEOUT_MS = WATCHDOG_TIMEOUT + 1000 * 60; 76 77 /** Special library name that skips shared libraries check during compilation. */ 78 public static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 79 80 @GuardedBy("mInstallLock") 81 private final Installer mInstaller; 82 private final Object mInstallLock; 83 84 @GuardedBy("mInstallLock") 85 private final PowerManager.WakeLock mDexoptWakeLock; 86 private volatile boolean mSystemReady; 87 88 PackageDexOptimizer(Installer installer, Object installLock, Context context, 89 String wakeLockTag) { 90 this.mInstaller = installer; 91 this.mInstallLock = installLock; 92 93 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 94 mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); 95 } 96 97 protected PackageDexOptimizer(PackageDexOptimizer from) { 98 this.mInstaller = from.mInstaller; 99 this.mInstallLock = from.mInstallLock; 100 this.mDexoptWakeLock = from.mDexoptWakeLock; 101 this.mSystemReady = from.mSystemReady; 102 } 103 104 static boolean canOptimizePackage(PackageParser.Package pkg) { 105 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 106 } 107 108 /** 109 * Performs dexopt on all code paths and libraries of the specified package for specified 110 * instruction sets. 111 * 112 * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are 113 * synchronized on {@link #mInstallLock}. 114 */ 115 int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, 116 String[] instructionSets, boolean checkProfiles, String targetCompilationFilter, 117 CompilerStats.PackageStats packageStats, boolean isUsedByOtherApps) { 118 if (!canOptimizePackage(pkg)) { 119 return DEX_OPT_SKIPPED; 120 } 121 synchronized (mInstallLock) { 122 final long acquireTime = acquireWakeLockLI(pkg.applicationInfo.uid); 123 try { 124 return performDexOptLI(pkg, sharedLibraries, instructionSets, checkProfiles, 125 targetCompilationFilter, packageStats, isUsedByOtherApps); 126 } finally { 127 releaseWakeLockLI(acquireTime); 128 } 129 } 130 } 131 132 /** 133 * Performs dexopt on all code paths of the given package. 134 * It assumes the install lock is held. 135 */ 136 @GuardedBy("mInstallLock") 137 private int performDexOptLI(PackageParser.Package pkg, String[] sharedLibraries, 138 String[] targetInstructionSets, boolean checkForProfileUpdates, 139 String targetCompilerFilter, CompilerStats.PackageStats packageStats, 140 boolean isUsedByOtherApps) { 141 final String[] instructionSets = targetInstructionSets != null ? 142 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 143 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 144 final List<String> paths = pkg.getAllCodePaths(); 145 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 146 147 final String compilerFilter = getRealCompilerFilter(pkg.applicationInfo, 148 targetCompilerFilter, isUsedByOtherApps); 149 final boolean profileUpdated = checkForProfileUpdates && 150 isProfileUpdated(pkg, sharedGid, compilerFilter); 151 152 final String sharedLibrariesPath = getSharedLibrariesPath(sharedLibraries); 153 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 154 final int dexoptFlags = getDexFlags(pkg, compilerFilter); 155 // Get the dependencies of each split in the package. For each code path in the package, 156 // this array contains the relative paths of each split it depends on, separated by colons. 157 String[] splitDependencies = getSplitDependencies(pkg); 158 159 int result = DEX_OPT_SKIPPED; 160 for (int i = 0; i < paths.size(); i++) { 161 // Skip paths that have no code. 162 if ((i == 0 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) || 163 (i != 0 && (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) == 0)) { 164 continue; 165 } 166 // Append shared libraries with split dependencies for this split. 167 String path = paths.get(i); 168 String sharedLibrariesPathWithSplits; 169 if (sharedLibrariesPath != null && splitDependencies[i] != null) { 170 sharedLibrariesPathWithSplits = sharedLibrariesPath + ":" + splitDependencies[i]; 171 } else { 172 sharedLibrariesPathWithSplits = 173 splitDependencies[i] != null ? splitDependencies[i] : sharedLibrariesPath; 174 } 175 for (String dexCodeIsa : dexCodeInstructionSets) { 176 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, profileUpdated, 177 sharedLibrariesPathWithSplits, dexoptFlags, sharedGid, packageStats); 178 // The end result is: 179 // - FAILED if any path failed, 180 // - PERFORMED if at least one path needed compilation, 181 // - SKIPPED when all paths are up to date 182 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 183 result = newResult; 184 } 185 } 186 } 187 return result; 188 } 189 190 /** 191 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 192 * 193 * @return 194 * DEX_OPT_FAILED if there was any exception during dexopt 195 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 196 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 197 */ 198 @GuardedBy("mInstallLock") 199 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 200 String compilerFilter, boolean profileUpdated, String sharedLibrariesPath, 201 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats) { 202 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, profileUpdated); 203 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 204 return DEX_OPT_SKIPPED; 205 } 206 207 // TODO(calin): there's no need to try to create the oat dir over and over again, 208 // especially since it involve an extra installd call. We should create 209 // if (if supported) on the fly during the dexopt call. 210 String oatDir = createOatDirIfSupported(pkg, isa); 211 212 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 213 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 214 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 215 + " target-filter=" + compilerFilter + " oatDir=" + oatDir 216 + " sharedLibraries=" + sharedLibrariesPath); 217 218 try { 219 long startTime = System.currentTimeMillis(); 220 221 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 222 compilerFilter, pkg.volumeUuid, sharedLibrariesPath, pkg.applicationInfo.seInfo); 223 224 if (packageStats != null) { 225 long endTime = System.currentTimeMillis(); 226 packageStats.setCompileTime(path, (int)(endTime - startTime)); 227 } 228 return DEX_OPT_PERFORMED; 229 } catch (InstallerException e) { 230 Slog.w(TAG, "Failed to dexopt", e); 231 return DEX_OPT_FAILED; 232 } 233 } 234 235 /** 236 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 237 * 238 * @return 239 * DEX_OPT_FAILED if there was any exception during dexopt 240 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 241 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 242 * didn't need an update. That's because at the moment we don't get more than success/failure 243 * from installd. 244 * 245 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 246 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 247 * that seems wasteful. 248 */ 249 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, Set<String> isas, 250 String compilerFilter, boolean isUsedByOtherApps) { 251 synchronized (mInstallLock) { 252 final long acquireTime = acquireWakeLockLI(info.uid); 253 try { 254 return dexOptSecondaryDexPathLI(info, path, isas, compilerFilter, 255 isUsedByOtherApps); 256 } finally { 257 releaseWakeLockLI(acquireTime); 258 } 259 } 260 } 261 262 @GuardedBy("mInstallLock") 263 private long acquireWakeLockLI(final int uid) { 264 // During boot the system doesn't need to instantiate and obtain a wake lock. 265 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 266 // dexopt. 267 if (!mSystemReady) { 268 return -1; 269 } 270 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 271 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 272 return SystemClock.elapsedRealtime(); 273 } 274 275 @GuardedBy("mInstallLock") 276 private void releaseWakeLockLI(final long acquireTime) { 277 if (acquireTime < 0) { 278 return; 279 } 280 try { 281 if (mDexoptWakeLock.isHeld()) { 282 mDexoptWakeLock.release(); 283 } 284 final long duration = SystemClock.elapsedRealtime() - acquireTime; 285 if (duration >= WAKELOCK_TIMEOUT_MS) { 286 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 287 + " time out. Operation took " + duration + " ms. Thread: " 288 + Thread.currentThread().getName()); 289 } 290 } catch (Exception e) { 291 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 292 } 293 } 294 295 @GuardedBy("mInstallLock") 296 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, Set<String> isas, 297 String compilerFilter, boolean isUsedByOtherApps) { 298 compilerFilter = getRealCompilerFilter(info, compilerFilter, isUsedByOtherApps); 299 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 300 int dexoptFlags = getDexFlags(info, compilerFilter) | DEXOPT_SECONDARY_DEX; 301 // Check the app storage and add the appropriate flags. 302 if (info.deviceProtectedDataDir != null && 303 FileUtils.contains(info.deviceProtectedDataDir, path)) { 304 dexoptFlags |= DEXOPT_STORAGE_DE; 305 } else if (info.credentialProtectedDataDir != null && 306 FileUtils.contains(info.credentialProtectedDataDir, path)) { 307 dexoptFlags |= DEXOPT_STORAGE_CE; 308 } else { 309 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 310 return DEX_OPT_FAILED; 311 } 312 Log.d(TAG, "Running dexopt on: " + path 313 + " pkg=" + info.packageName + " isa=" + isas 314 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 315 + " target-filter=" + compilerFilter); 316 317 try { 318 for (String isa : isas) { 319 // Reuse the same dexopt path as for the primary apks. We don't need all the 320 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 321 // system server cannot read untrusted app content. 322 // TODO(calin): maybe add a separate call. 323 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 324 /*oatDir*/ null, dexoptFlags, 325 compilerFilter, info.volumeUuid, SKIP_SHARED_LIBRARY_CHECK, info.seInfoUser); 326 } 327 328 return DEX_OPT_PERFORMED; 329 } catch (InstallerException e) { 330 Slog.w(TAG, "Failed to dexopt", e); 331 return DEX_OPT_FAILED; 332 } 333 } 334 335 /** 336 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 337 * optimize or not (and in what way). 338 */ 339 protected int adjustDexoptNeeded(int dexoptNeeded) { 340 return dexoptNeeded; 341 } 342 343 /** 344 * Adjust the given dexopt flags that will be passed to the installer. 345 */ 346 protected int adjustDexoptFlags(int dexoptFlags) { 347 return dexoptFlags; 348 } 349 350 /** 351 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 352 */ 353 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg) { 354 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 355 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 356 357 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 358 359 for (String instructionSet : dexCodeInstructionSets) { 360 pw.println("Instruction Set: " + instructionSet); 361 pw.increaseIndent(); 362 for (String path : paths) { 363 String status = null; 364 try { 365 status = DexFile.getDexFileStatus(path, instructionSet); 366 } catch (IOException ioe) { 367 status = "[Exception]: " + ioe.getMessage(); 368 } 369 pw.println("path: " + path); 370 pw.println("status: " + status); 371 } 372 pw.decreaseIndent(); 373 } 374 } 375 376 /** 377 * Returns the compiler filter that should be used to optimize the package code. 378 * The target filter will be updated if the package code is used by other apps 379 * or if it has the safe mode flag set. 380 */ 381 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 382 boolean isUsedByOtherApps) { 383 int flags = info.flags; 384 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 385 if (vmSafeMode) { 386 return getSafeModeCompilerFilter(targetCompilerFilter); 387 } 388 389 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 390 // If the dex files is used by other apps, we cannot use profile-guided compilation. 391 return getNonProfileGuidedCompilerFilter(targetCompilerFilter); 392 } 393 394 return targetCompilerFilter; 395 } 396 397 /** 398 * Computes the dex flags that needs to be pass to installd for the given package and compiler 399 * filter. 400 */ 401 private int getDexFlags(PackageParser.Package pkg, String compilerFilter) { 402 return getDexFlags(pkg.applicationInfo, compilerFilter); 403 } 404 405 private int getDexFlags(ApplicationInfo info, String compilerFilter) { 406 int flags = info.flags; 407 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 408 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 409 // Profile guide compiled oat files should not be public. 410 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 411 boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter; 412 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 413 int dexFlags = 414 (isPublic ? DEXOPT_PUBLIC : 0) 415 | (vmSafeMode ? DEXOPT_SAFEMODE : 0) 416 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 417 | profileFlag 418 | DEXOPT_BOOTCOMPLETE; 419 return adjustDexoptFlags(dexFlags); 420 } 421 422 /** 423 * Assesses if there's a need to perform dexopt on {@code path} for the given 424 * configuration (isa, compiler filter, profile). 425 */ 426 private int getDexoptNeeded(String path, String isa, String compilerFilter, 427 boolean newProfile) { 428 int dexoptNeeded; 429 try { 430 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, newProfile); 431 } catch (IOException ioe) { 432 Slog.w(TAG, "IOException reading apk: " + path, ioe); 433 return DEX_OPT_FAILED; 434 } 435 return adjustDexoptNeeded(dexoptNeeded); 436 } 437 438 /** 439 * Computes the shared libraries path that should be passed to dexopt. 440 */ 441 private String getSharedLibrariesPath(String[] sharedLibraries) { 442 if (sharedLibraries == null || sharedLibraries.length == 0) { 443 return null; 444 } 445 StringBuilder sb = new StringBuilder(); 446 for (String lib : sharedLibraries) { 447 if (sb.length() != 0) { 448 sb.append(":"); 449 } 450 sb.append(lib); 451 } 452 return sb.toString(); 453 } 454 455 /** 456 * Walks dependency tree and gathers the dependencies for each split in a split apk. 457 * The split paths are stored as relative paths, separated by colons. 458 */ 459 private String[] getSplitDependencies(PackageParser.Package pkg) { 460 // Convert all the code paths to relative paths. 461 String baseCodePath = new File(pkg.baseCodePath).getParent(); 462 List<String> paths = pkg.getAllCodePaths(); 463 String[] splitDependencies = new String[paths.size()]; 464 for (int i = 0; i < paths.size(); i++) { 465 File pathFile = new File(paths.get(i)); 466 String fileName = pathFile.getName(); 467 paths.set(i, fileName); 468 469 // Sanity check that the base paths of the splits are all the same. 470 String basePath = pathFile.getParent(); 471 if (!basePath.equals(baseCodePath)) { 472 Slog.wtf(TAG, "Split paths have different base paths: " + basePath + " and " + 473 baseCodePath); 474 } 475 } 476 477 // If there are no other dependencies, fill in the implicit dependency on the base apk. 478 SparseArray<int[]> dependencies = pkg.applicationInfo.splitDependencies; 479 if (dependencies == null) { 480 for (int i = 1; i < paths.size(); i++) { 481 splitDependencies[i] = paths.get(0); 482 } 483 return splitDependencies; 484 } 485 486 // Fill in the dependencies, skipping the base apk which has no dependencies. 487 for (int i = 1; i < dependencies.size(); i++) { 488 getParentDependencies(dependencies.keyAt(i), paths, dependencies, splitDependencies); 489 } 490 491 return splitDependencies; 492 } 493 494 /** 495 * Recursive method to generate dependencies for a particular split. 496 * The index is a key from the package's splitDependencies. 497 */ 498 private String getParentDependencies(int index, List<String> paths, 499 SparseArray<int[]> dependencies, String[] splitDependencies) { 500 // The base apk is always first, and has no dependencies. 501 if (index == 0) { 502 return null; 503 } 504 // Return the result if we've computed the dependencies for this index already. 505 if (splitDependencies[index] != null) { 506 return splitDependencies[index]; 507 } 508 // Get the dependencies for the parent of this index and append its path to it. 509 int parent = dependencies.get(index)[0]; 510 String parentDependencies = 511 getParentDependencies(parent, paths, dependencies, splitDependencies); 512 String path = parentDependencies == null ? paths.get(parent) : 513 parentDependencies + ":" + paths.get(parent); 514 splitDependencies[index] = path; 515 return path; 516 } 517 518 /** 519 * Checks if there is an update on the profile information of the {@code pkg}. 520 * If the compiler filter is not profile guided the method returns false. 521 * 522 * Note that this is a "destructive" operation with side effects. Under the hood the 523 * current profile and the reference profile will be merged and subsequent calls 524 * may return a different result. 525 */ 526 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String compilerFilter) { 527 // Check if we are allowed to merge and if the compiler filter is profile guided. 528 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 529 return false; 530 } 531 // Merge profiles. It returns whether or not there was an updated in the profile info. 532 try { 533 return mInstaller.mergeProfiles(uid, pkg.packageName); 534 } catch (InstallerException e) { 535 Slog.w(TAG, "Failed to merge profiles", e); 536 } 537 return false; 538 } 539 540 /** 541 * Creates oat dir for the specified package if needed and supported. 542 * In certain cases oat directory 543 * <strong>cannot</strong> be created: 544 * <ul> 545 * <li>{@code pkg} is a system app, which is not updated.</li> 546 * <li>Package location is not a directory, i.e. monolithic install.</li> 547 * </ul> 548 * 549 * @return Absolute path to the oat directory or null, if oat directory 550 * cannot be created. 551 */ 552 @Nullable 553 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 554 if (!pkg.canHaveOatDir()) { 555 return null; 556 } 557 File codePath = new File(pkg.codePath); 558 if (codePath.isDirectory()) { 559 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 560 // cluster packages). It seems that the logic for the folder creation is 561 // split between installd and here. 562 File oatDir = getOatDir(codePath); 563 try { 564 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 565 } catch (InstallerException e) { 566 Slog.w(TAG, "Failed to create oat dir", e); 567 return null; 568 } 569 return oatDir.getAbsolutePath(); 570 } 571 return null; 572 } 573 574 static File getOatDir(File codePath) { 575 return new File(codePath, OAT_DIR_NAME); 576 } 577 578 void systemReady() { 579 mSystemReady = true; 580 } 581 582 private String printDexoptFlags(int flags) { 583 ArrayList<String> flagsList = new ArrayList<>(); 584 585 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 586 flagsList.add("boot_complete"); 587 } 588 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 589 flagsList.add("debuggable"); 590 } 591 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 592 flagsList.add("profile_guided"); 593 } 594 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 595 flagsList.add("public"); 596 } 597 if ((flags & DEXOPT_SAFEMODE) == DEXOPT_SAFEMODE) { 598 flagsList.add("safemode"); 599 } 600 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 601 flagsList.add("secondary"); 602 } 603 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 604 flagsList.add("force"); 605 } 606 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 607 flagsList.add("storage_ce"); 608 } 609 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 610 flagsList.add("storage_de"); 611 } 612 613 return String.join(",", flagsList); 614 } 615 616 /** 617 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 618 * dexopt path. 619 */ 620 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 621 622 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 623 Context context, String wakeLockTag) { 624 super(installer, installLock, context, wakeLockTag); 625 } 626 627 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 628 super(from); 629 } 630 631 @Override 632 protected int adjustDexoptNeeded(int dexoptNeeded) { 633 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 634 // Ensure compilation by pretending a compiler filter change on the 635 // apk/odex location (the reason for the '-'. A positive value means 636 // the 'oat' location). 637 return -DexFile.DEX2OAT_FOR_FILTER; 638 } 639 return dexoptNeeded; 640 } 641 642 @Override 643 protected int adjustDexoptFlags(int flags) { 644 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 645 // and discard dexoptanalyzer result. 646 return flags | DEXOPT_FORCE; 647 } 648 } 649} 650