PackageDexOptimizer.java revision 246dccf9327631597767afe418ce43ae6d07d102
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_SECONDARY_DEX; 51import static com.android.server.pm.Installer.DEXOPT_FORCE; 52import static com.android.server.pm.Installer.DEXOPT_STORAGE_CE; 53import static com.android.server.pm.Installer.DEXOPT_STORAGE_DE; 54import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 55import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 56 57import static com.android.server.pm.PackageManagerService.WATCHDOG_TIMEOUT; 58 59import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 60import static dalvik.system.DexFile.getSafeModeCompilerFilter; 61import static dalvik.system.DexFile.isProfileGuidedCompilerFilter; 62 63/** 64 * Helper class for running dexopt command on packages. 65 */ 66public class PackageDexOptimizer { 67 private static final String TAG = "PackageManager.DexOptimizer"; 68 static final String OAT_DIR_NAME = "oat"; 69 // TODO b/19550105 Remove error codes and use exceptions 70 public static final int DEX_OPT_SKIPPED = 0; 71 public static final int DEX_OPT_PERFORMED = 1; 72 public static final int DEX_OPT_FAILED = -1; 73 // One minute over PM WATCHDOG_TIMEOUT 74 private static final long WAKELOCK_TIMEOUT_MS = WATCHDOG_TIMEOUT + 1000 * 60; 75 76 /** Special library name that skips shared libraries check during compilation. */ 77 public static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 78 79 @GuardedBy("mInstallLock") 80 private final Installer mInstaller; 81 private final Object mInstallLock; 82 83 @GuardedBy("mInstallLock") 84 private final PowerManager.WakeLock mDexoptWakeLock; 85 private volatile boolean mSystemReady; 86 87 PackageDexOptimizer(Installer installer, Object installLock, Context context, 88 String wakeLockTag) { 89 this.mInstaller = installer; 90 this.mInstallLock = installLock; 91 92 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 93 mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); 94 } 95 96 protected PackageDexOptimizer(PackageDexOptimizer from) { 97 this.mInstaller = from.mInstaller; 98 this.mInstallLock = from.mInstallLock; 99 this.mDexoptWakeLock = from.mDexoptWakeLock; 100 this.mSystemReady = from.mSystemReady; 101 } 102 103 static boolean canOptimizePackage(PackageParser.Package pkg) { 104 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 105 } 106 107 /** 108 * Performs dexopt on all code paths and libraries of the specified package for specified 109 * instruction sets. 110 * 111 * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are 112 * synchronized on {@link #mInstallLock}. 113 */ 114 int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, 115 String[] instructionSets, boolean checkProfiles, String targetCompilationFilter, 116 CompilerStats.PackageStats packageStats, boolean isUsedByOtherApps, 117 boolean bootComplete, boolean downgrade) { 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, bootComplete, 126 downgrade); 127 } finally { 128 releaseWakeLockLI(acquireTime); 129 } 130 } 131 } 132 133 /** 134 * Performs dexopt on all code paths of the given package. 135 * It assumes the install lock is held. 136 */ 137 @GuardedBy("mInstallLock") 138 private int performDexOptLI(PackageParser.Package pkg, String[] sharedLibraries, 139 String[] targetInstructionSets, boolean checkForProfileUpdates, 140 String targetCompilerFilter, CompilerStats.PackageStats packageStats, 141 boolean isUsedByOtherApps, boolean bootComplete, boolean downgrade) { 142 final String[] instructionSets = targetInstructionSets != null ? 143 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 144 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 145 final List<String> paths = pkg.getAllCodePaths(); 146 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 147 148 final String compilerFilter = getRealCompilerFilter(pkg.applicationInfo, 149 targetCompilerFilter, isUsedByOtherApps); 150 final boolean profileUpdated = checkForProfileUpdates && 151 isProfileUpdated(pkg, sharedGid, compilerFilter); 152 153 final String sharedLibrariesPath = getSharedLibrariesPath(sharedLibraries); 154 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 155 final int dexoptFlags = getDexFlags(pkg, compilerFilter, bootComplete); 156 // Get the dependencies of each split in the package. For each code path in the package, 157 // this array contains the relative paths of each split it depends on, separated by colons. 158 String[] splitDependencies = getSplitDependencies(pkg); 159 160 int result = DEX_OPT_SKIPPED; 161 for (int i = 0; i < paths.size(); i++) { 162 // Skip paths that have no code. 163 if ((i == 0 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) || 164 (i != 0 && (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) == 0)) { 165 continue; 166 } 167 // Append shared libraries with split dependencies for this split. 168 String path = paths.get(i); 169 String sharedLibrariesPathWithSplits; 170 if (sharedLibrariesPath != null && splitDependencies[i] != null) { 171 sharedLibrariesPathWithSplits = sharedLibrariesPath + ":" + splitDependencies[i]; 172 } else { 173 sharedLibrariesPathWithSplits = 174 splitDependencies[i] != null ? splitDependencies[i] : sharedLibrariesPath; 175 } 176 for (String dexCodeIsa : dexCodeInstructionSets) { 177 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, profileUpdated, 178 sharedLibrariesPathWithSplits, dexoptFlags, sharedGid, packageStats, 179 downgrade); 180 // The end result is: 181 // - FAILED if any path failed, 182 // - PERFORMED if at least one path needed compilation, 183 // - SKIPPED when all paths are up to date 184 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 185 result = newResult; 186 } 187 } 188 } 189 return result; 190 } 191 192 /** 193 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 194 * 195 * @return 196 * DEX_OPT_FAILED if there was any exception during dexopt 197 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 198 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 199 */ 200 @GuardedBy("mInstallLock") 201 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 202 String compilerFilter, boolean profileUpdated, String sharedLibrariesPath, 203 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade) { 204 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, profileUpdated, downgrade); 205 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 206 return DEX_OPT_SKIPPED; 207 } 208 209 // TODO(calin): there's no need to try to create the oat dir over and over again, 210 // especially since it involve an extra installd call. We should create 211 // if (if supported) on the fly during the dexopt call. 212 String oatDir = createOatDirIfSupported(pkg, isa); 213 214 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 215 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 216 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 217 + " target-filter=" + compilerFilter + " oatDir=" + oatDir 218 + " sharedLibraries=" + sharedLibrariesPath); 219 220 try { 221 long startTime = System.currentTimeMillis(); 222 223 // TODO: Consider adding 2 different APIs for primary and secondary dexopt. 224 // installd only uses downgrade flag for secondary dex files and ignores it for 225 // primary dex files. 226 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 227 compilerFilter, pkg.volumeUuid, sharedLibrariesPath, pkg.applicationInfo.seInfo, 228 false /* downgrade*/); 229 230 if (packageStats != null) { 231 long endTime = System.currentTimeMillis(); 232 packageStats.setCompileTime(path, (int)(endTime - startTime)); 233 } 234 return DEX_OPT_PERFORMED; 235 } catch (InstallerException e) { 236 Slog.w(TAG, "Failed to dexopt", e); 237 return DEX_OPT_FAILED; 238 } 239 } 240 241 /** 242 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 243 * 244 * @return 245 * DEX_OPT_FAILED if there was any exception during dexopt 246 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 247 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 248 * didn't need an update. That's because at the moment we don't get more than success/failure 249 * from installd. 250 * 251 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 252 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 253 * that seems wasteful. 254 */ 255 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, Set<String> isas, 256 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 257 synchronized (mInstallLock) { 258 final long acquireTime = acquireWakeLockLI(info.uid); 259 try { 260 return dexOptSecondaryDexPathLI(info, path, isas, compilerFilter, 261 isUsedByOtherApps, downgrade); 262 } finally { 263 releaseWakeLockLI(acquireTime); 264 } 265 } 266 } 267 268 @GuardedBy("mInstallLock") 269 private long acquireWakeLockLI(final int uid) { 270 // During boot the system doesn't need to instantiate and obtain a wake lock. 271 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 272 // dexopt. 273 if (!mSystemReady) { 274 return -1; 275 } 276 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 277 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 278 return SystemClock.elapsedRealtime(); 279 } 280 281 @GuardedBy("mInstallLock") 282 private void releaseWakeLockLI(final long acquireTime) { 283 if (acquireTime < 0) { 284 return; 285 } 286 try { 287 if (mDexoptWakeLock.isHeld()) { 288 mDexoptWakeLock.release(); 289 } 290 final long duration = SystemClock.elapsedRealtime() - acquireTime; 291 if (duration >= WAKELOCK_TIMEOUT_MS) { 292 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 293 + " time out. Operation took " + duration + " ms. Thread: " 294 + Thread.currentThread().getName()); 295 } 296 } catch (Exception e) { 297 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 298 } 299 } 300 301 @GuardedBy("mInstallLock") 302 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, Set<String> isas, 303 String compilerFilter, boolean isUsedByOtherApps, boolean downgrade) { 304 compilerFilter = getRealCompilerFilter(info, compilerFilter, isUsedByOtherApps); 305 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 306 // Secondary dex files are currently not compiled at boot. 307 int dexoptFlags = getDexFlags(info, compilerFilter, /* bootComplete */ true) 308 | DEXOPT_SECONDARY_DEX; 309 // Check the app storage and add the appropriate flags. 310 if (info.deviceProtectedDataDir != null && 311 FileUtils.contains(info.deviceProtectedDataDir, path)) { 312 dexoptFlags |= DEXOPT_STORAGE_DE; 313 } else if (info.credentialProtectedDataDir != null && 314 FileUtils.contains(info.credentialProtectedDataDir, path)) { 315 dexoptFlags |= DEXOPT_STORAGE_CE; 316 } else { 317 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 318 return DEX_OPT_FAILED; 319 } 320 Log.d(TAG, "Running dexopt on: " + path 321 + " pkg=" + info.packageName + " isa=" + isas 322 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 323 + " target-filter=" + compilerFilter); 324 325 try { 326 for (String isa : isas) { 327 // Reuse the same dexopt path as for the primary apks. We don't need all the 328 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 329 // system server cannot read untrusted app content. 330 // TODO(calin): maybe add a separate call. 331 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 332 /*oatDir*/ null, dexoptFlags, 333 compilerFilter, info.volumeUuid, SKIP_SHARED_LIBRARY_CHECK, info.seInfoUser, 334 downgrade); 335 } 336 337 return DEX_OPT_PERFORMED; 338 } catch (InstallerException e) { 339 Slog.w(TAG, "Failed to dexopt", e); 340 return DEX_OPT_FAILED; 341 } 342 } 343 344 /** 345 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 346 * optimize or not (and in what way). 347 */ 348 protected int adjustDexoptNeeded(int dexoptNeeded) { 349 return dexoptNeeded; 350 } 351 352 /** 353 * Adjust the given dexopt flags that will be passed to the installer. 354 */ 355 protected int adjustDexoptFlags(int dexoptFlags) { 356 return dexoptFlags; 357 } 358 359 /** 360 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 361 */ 362 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg) { 363 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 364 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 365 366 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 367 368 for (String instructionSet : dexCodeInstructionSets) { 369 pw.println("Instruction Set: " + instructionSet); 370 pw.increaseIndent(); 371 for (String path : paths) { 372 String status = null; 373 try { 374 status = DexFile.getDexFileStatus(path, instructionSet); 375 } catch (IOException ioe) { 376 status = "[Exception]: " + ioe.getMessage(); 377 } 378 pw.println("path: " + path); 379 pw.println("status: " + status); 380 } 381 pw.decreaseIndent(); 382 } 383 } 384 385 /** 386 * Returns the compiler filter that should be used to optimize the package code. 387 * The target filter will be updated if the package code is used by other apps 388 * or if it has the safe mode flag set. 389 */ 390 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 391 boolean isUsedByOtherApps) { 392 int flags = info.flags; 393 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 394 if (vmSafeMode) { 395 return getSafeModeCompilerFilter(targetCompilerFilter); 396 } 397 398 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 399 // If the dex files is used by other apps, we cannot use profile-guided compilation. 400 return getNonProfileGuidedCompilerFilter(targetCompilerFilter); 401 } 402 403 return targetCompilerFilter; 404 } 405 406 /** 407 * Computes the dex flags that needs to be pass to installd for the given package and compiler 408 * filter. 409 */ 410 private int getDexFlags(PackageParser.Package pkg, String compilerFilter, 411 boolean bootComplete) { 412 return getDexFlags(pkg.applicationInfo, compilerFilter, bootComplete); 413 } 414 415 private int getDexFlags(ApplicationInfo info, String compilerFilter, boolean bootComplete) { 416 int flags = info.flags; 417 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 418 // Profile guide compiled oat files should not be public. 419 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 420 boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter; 421 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 422 int dexFlags = 423 (isPublic ? DEXOPT_PUBLIC : 0) 424 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 425 | profileFlag 426 | (bootComplete ? DEXOPT_BOOTCOMPLETE : 0); 427 return adjustDexoptFlags(dexFlags); 428 } 429 430 /** 431 * Assesses if there's a need to perform dexopt on {@code path} for the given 432 * configuration (isa, compiler filter, profile). 433 */ 434 private int getDexoptNeeded(String path, String isa, String compilerFilter, 435 boolean newProfile, boolean downgrade) { 436 int dexoptNeeded; 437 try { 438 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, newProfile, 439 downgrade); 440 } catch (IOException ioe) { 441 Slog.w(TAG, "IOException reading apk: " + path, ioe); 442 return DEX_OPT_FAILED; 443 } 444 return adjustDexoptNeeded(dexoptNeeded); 445 } 446 447 /** 448 * Computes the shared libraries path that should be passed to dexopt. 449 */ 450 private String getSharedLibrariesPath(String[] sharedLibraries) { 451 if (sharedLibraries == null || sharedLibraries.length == 0) { 452 return null; 453 } 454 StringBuilder sb = new StringBuilder(); 455 for (String lib : sharedLibraries) { 456 if (sb.length() != 0) { 457 sb.append(":"); 458 } 459 sb.append(lib); 460 } 461 return sb.toString(); 462 } 463 464 /** 465 * Walks dependency tree and gathers the dependencies for each split in a split apk. 466 * The split paths are stored as relative paths, separated by colons. 467 */ 468 private String[] getSplitDependencies(PackageParser.Package pkg) { 469 // Convert all the code paths to relative paths. 470 String baseCodePath = new File(pkg.baseCodePath).getParent(); 471 List<String> paths = pkg.getAllCodePaths(); 472 String[] splitDependencies = new String[paths.size()]; 473 for (int i = 0; i < paths.size(); i++) { 474 File pathFile = new File(paths.get(i)); 475 String fileName = pathFile.getName(); 476 paths.set(i, fileName); 477 478 // Sanity check that the base paths of the splits are all the same. 479 String basePath = pathFile.getParent(); 480 if (!basePath.equals(baseCodePath)) { 481 Slog.wtf(TAG, "Split paths have different base paths: " + basePath + " and " + 482 baseCodePath); 483 } 484 } 485 486 // If there are no other dependencies, fill in the implicit dependency on the base apk. 487 SparseArray<int[]> dependencies = pkg.applicationInfo.splitDependencies; 488 if (dependencies == null) { 489 for (int i = 1; i < paths.size(); i++) { 490 splitDependencies[i] = paths.get(0); 491 } 492 return splitDependencies; 493 } 494 495 // Fill in the dependencies, skipping the base apk which has no dependencies. 496 for (int i = 1; i < dependencies.size(); i++) { 497 getParentDependencies(dependencies.keyAt(i), paths, dependencies, splitDependencies); 498 } 499 500 return splitDependencies; 501 } 502 503 /** 504 * Recursive method to generate dependencies for a particular split. 505 * The index is a key from the package's splitDependencies. 506 */ 507 private String getParentDependencies(int index, List<String> paths, 508 SparseArray<int[]> dependencies, String[] splitDependencies) { 509 // The base apk is always first, and has no dependencies. 510 if (index == 0) { 511 return null; 512 } 513 // Return the result if we've computed the dependencies for this index already. 514 if (splitDependencies[index] != null) { 515 return splitDependencies[index]; 516 } 517 // Get the dependencies for the parent of this index and append its path to it. 518 int parent = dependencies.get(index)[0]; 519 String parentDependencies = 520 getParentDependencies(parent, paths, dependencies, splitDependencies); 521 String path = parentDependencies == null ? paths.get(parent) : 522 parentDependencies + ":" + paths.get(parent); 523 splitDependencies[index] = path; 524 return path; 525 } 526 527 /** 528 * Checks if there is an update on the profile information of the {@code pkg}. 529 * If the compiler filter is not profile guided the method returns false. 530 * 531 * Note that this is a "destructive" operation with side effects. Under the hood the 532 * current profile and the reference profile will be merged and subsequent calls 533 * may return a different result. 534 */ 535 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String compilerFilter) { 536 // Check if we are allowed to merge and if the compiler filter is profile guided. 537 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 538 return false; 539 } 540 // Merge profiles. It returns whether or not there was an updated in the profile info. 541 try { 542 return mInstaller.mergeProfiles(uid, pkg.packageName); 543 } catch (InstallerException e) { 544 Slog.w(TAG, "Failed to merge profiles", e); 545 } 546 return false; 547 } 548 549 /** 550 * Creates oat dir for the specified package if needed and supported. 551 * In certain cases oat directory 552 * <strong>cannot</strong> be created: 553 * <ul> 554 * <li>{@code pkg} is a system app, which is not updated.</li> 555 * <li>Package location is not a directory, i.e. monolithic install.</li> 556 * </ul> 557 * 558 * @return Absolute path to the oat directory or null, if oat directory 559 * cannot be created. 560 */ 561 @Nullable 562 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 563 if (!pkg.canHaveOatDir()) { 564 return null; 565 } 566 File codePath = new File(pkg.codePath); 567 if (codePath.isDirectory()) { 568 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 569 // cluster packages). It seems that the logic for the folder creation is 570 // split between installd and here. 571 File oatDir = getOatDir(codePath); 572 try { 573 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 574 } catch (InstallerException e) { 575 Slog.w(TAG, "Failed to create oat dir", e); 576 return null; 577 } 578 return oatDir.getAbsolutePath(); 579 } 580 return null; 581 } 582 583 static File getOatDir(File codePath) { 584 return new File(codePath, OAT_DIR_NAME); 585 } 586 587 void systemReady() { 588 mSystemReady = true; 589 } 590 591 private String printDexoptFlags(int flags) { 592 ArrayList<String> flagsList = new ArrayList<>(); 593 594 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 595 flagsList.add("boot_complete"); 596 } 597 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 598 flagsList.add("debuggable"); 599 } 600 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 601 flagsList.add("profile_guided"); 602 } 603 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 604 flagsList.add("public"); 605 } 606 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 607 flagsList.add("secondary"); 608 } 609 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 610 flagsList.add("force"); 611 } 612 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 613 flagsList.add("storage_ce"); 614 } 615 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 616 flagsList.add("storage_de"); 617 } 618 619 return String.join(",", flagsList); 620 } 621 622 /** 623 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 624 * dexopt path. 625 */ 626 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 627 628 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 629 Context context, String wakeLockTag) { 630 super(installer, installLock, context, wakeLockTag); 631 } 632 633 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 634 super(from); 635 } 636 637 @Override 638 protected int adjustDexoptNeeded(int dexoptNeeded) { 639 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 640 // Ensure compilation by pretending a compiler filter change on the 641 // apk/odex location (the reason for the '-'. A positive value means 642 // the 'oat' location). 643 return -DexFile.DEX2OAT_FOR_FILTER; 644 } 645 return dexoptNeeded; 646 } 647 648 @Override 649 protected int adjustDexoptFlags(int flags) { 650 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 651 // and discard dexoptanalyzer result. 652 return flags | DEXOPT_FORCE; 653 } 654 } 655} 656