PackageDexOptimizer.java revision 4c2b9555b7b52359ea14e201d7ec61b8edaf6232
1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.server.pm; 18 19import android.annotation.Nullable; 20import android.content.Context; 21import android.content.pm.ApplicationInfo; 22import android.content.pm.PackageParser; 23import android.os.FileUtils; 24import android.os.PowerManager; 25import android.os.SystemClock; 26import android.os.UserHandle; 27import android.os.WorkSource; 28import android.util.Log; 29import android.util.Slog; 30 31import com.android.internal.annotations.GuardedBy; 32import com.android.internal.util.IndentingPrintWriter; 33import com.android.server.pm.Installer.InstallerException; 34import com.android.server.pm.dex.DexManager; 35import com.android.server.pm.dex.DexoptOptions; 36import com.android.server.pm.dex.DexoptUtils; 37import com.android.server.pm.dex.PackageDexUsage; 38 39import java.io.File; 40import java.io.IOException; 41import java.util.ArrayList; 42import java.util.Arrays; 43import java.util.List; 44import java.util.Map; 45 46import dalvik.system.DexFile; 47 48import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; 49import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; 50import static com.android.server.pm.Installer.DEXOPT_PROFILE_GUIDED; 51import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 52import static com.android.server.pm.Installer.DEXOPT_SECONDARY_DEX; 53import static com.android.server.pm.Installer.DEXOPT_FORCE; 54import static com.android.server.pm.Installer.DEXOPT_STORAGE_CE; 55import static com.android.server.pm.Installer.DEXOPT_STORAGE_DE; 56import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 57import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 58 59import static com.android.server.pm.PackageManagerService.WATCHDOG_TIMEOUT; 60 61import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 62import static dalvik.system.DexFile.getSafeModeCompilerFilter; 63import static dalvik.system.DexFile.isProfileGuidedCompilerFilter; 64 65/** 66 * Helper class for running dexopt command on packages. 67 */ 68public class PackageDexOptimizer { 69 private static final String TAG = "PackageManager.DexOptimizer"; 70 static final String OAT_DIR_NAME = "oat"; 71 // TODO b/19550105 Remove error codes and use exceptions 72 public static final int DEX_OPT_SKIPPED = 0; 73 public static final int DEX_OPT_PERFORMED = 1; 74 public static final int DEX_OPT_FAILED = -1; 75 // One minute over PM WATCHDOG_TIMEOUT 76 private static final long WAKELOCK_TIMEOUT_MS = WATCHDOG_TIMEOUT + 1000 * 60; 77 78 /** Special library name that skips shared libraries check during compilation. */ 79 public static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 80 81 @GuardedBy("mInstallLock") 82 private final Installer mInstaller; 83 private final Object mInstallLock; 84 85 @GuardedBy("mInstallLock") 86 private final PowerManager.WakeLock mDexoptWakeLock; 87 private volatile boolean mSystemReady; 88 89 PackageDexOptimizer(Installer installer, Object installLock, Context context, 90 String wakeLockTag) { 91 this.mInstaller = installer; 92 this.mInstallLock = installLock; 93 94 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 95 mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); 96 } 97 98 protected PackageDexOptimizer(PackageDexOptimizer from) { 99 this.mInstaller = from.mInstaller; 100 this.mInstallLock = from.mInstallLock; 101 this.mDexoptWakeLock = from.mDexoptWakeLock; 102 this.mSystemReady = from.mSystemReady; 103 } 104 105 static boolean canOptimizePackage(PackageParser.Package pkg) { 106 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 107 } 108 109 /** 110 * Performs dexopt on all code paths and libraries of the specified package for specified 111 * instruction sets. 112 * 113 * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are 114 * synchronized on {@link #mInstallLock}. 115 */ 116 int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, 117 String[] instructionSets, CompilerStats.PackageStats packageStats, 118 PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { 119 if (!canOptimizePackage(pkg)) { 120 return DEX_OPT_SKIPPED; 121 } 122 synchronized (mInstallLock) { 123 final long acquireTime = acquireWakeLockLI(pkg.applicationInfo.uid); 124 try { 125 return performDexOptLI(pkg, sharedLibraries, instructionSets, 126 packageStats, packageUseInfo, options); 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, CompilerStats.PackageStats packageStats, 140 PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { 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 // Get the class loader context dependencies. 148 // For each code path in the package, this array contains the class loader context that 149 // needs to be passed to dexopt in order to ensure correct optimizations. 150 String[] classLoaderContexts = DexoptUtils.getClassLoaderContexts( 151 pkg.applicationInfo, sharedLibraries); 152 153 // Sanity check that we do not call dexopt with inconsistent data. 154 if (paths.size() != classLoaderContexts.length) { 155 String[] splitCodePaths = pkg.applicationInfo.getSplitCodePaths(); 156 throw new IllegalStateException("Inconsistent information " 157 + "between PackageParser.Package and its ApplicationInfo. " 158 + "pkg.getAllCodePaths=" + paths 159 + " pkg.applicationInfo.getBaseCodePath=" + pkg.applicationInfo.getBaseCodePath() 160 + " pkg.applicationInfo.getSplitCodePaths=" 161 + (splitCodePaths == null ? "null" : Arrays.toString(splitCodePaths))); 162 } 163 164 int result = DEX_OPT_SKIPPED; 165 for (int i = 0; i < paths.size(); i++) { 166 // Skip paths that have no code. 167 if ((i == 0 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) || 168 (i != 0 && (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) == 0)) { 169 continue; 170 } 171 // Append shared libraries with split dependencies for this split. 172 String path = paths.get(i); 173 if (options.getSplitName() != null) { 174 // We are asked to compile only a specific split. Check that the current path is 175 // what we are looking for. 176 if (!options.getSplitName().equals(new File(path).getName())) { 177 continue; 178 } 179 } 180 181 final boolean isUsedByOtherApps = options.isDexoptAsSharedLibrary() 182 || packageUseInfo.isUsedByOtherApps(path); 183 final String compilerFilter = getRealCompilerFilter(pkg.applicationInfo, 184 options.getCompilerFilter(), isUsedByOtherApps); 185 final boolean profileUpdated = options.isCheckForProfileUpdates() && 186 isProfileUpdated(pkg, sharedGid, compilerFilter); 187 188 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct 189 // flags. 190 final int dexoptFlags = getDexFlags(pkg, compilerFilter, options.isBootComplete()); 191 192 for (String dexCodeIsa : dexCodeInstructionSets) { 193 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, 194 profileUpdated, classLoaderContexts[i], dexoptFlags, sharedGid, 195 packageStats, options.isDowngrade()); 196 // The end result is: 197 // - FAILED if any path failed, 198 // - PERFORMED if at least one path needed compilation, 199 // - SKIPPED when all paths are up to date 200 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 201 result = newResult; 202 } 203 } 204 } 205 return result; 206 } 207 208 /** 209 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 210 * 211 * @return 212 * DEX_OPT_FAILED if there was any exception during dexopt 213 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 214 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 215 */ 216 @GuardedBy("mInstallLock") 217 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 218 String compilerFilter, boolean profileUpdated, String sharedLibrariesPath, 219 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade) { 220 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, profileUpdated, downgrade); 221 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 222 return DEX_OPT_SKIPPED; 223 } 224 225 // TODO(calin): there's no need to try to create the oat dir over and over again, 226 // especially since it involve an extra installd call. We should create 227 // if (if supported) on the fly during the dexopt call. 228 String oatDir = createOatDirIfSupported(pkg, isa); 229 230 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 231 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 232 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 233 + " target-filter=" + compilerFilter + " oatDir=" + oatDir 234 + " sharedLibraries=" + sharedLibrariesPath); 235 236 try { 237 long startTime = System.currentTimeMillis(); 238 239 // TODO: Consider adding 2 different APIs for primary and secondary dexopt. 240 // installd only uses downgrade flag for secondary dex files and ignores it for 241 // primary dex files. 242 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 243 compilerFilter, pkg.volumeUuid, sharedLibrariesPath, pkg.applicationInfo.seInfo, 244 false /* downgrade*/); 245 246 if (packageStats != null) { 247 long endTime = System.currentTimeMillis(); 248 packageStats.setCompileTime(path, (int)(endTime - startTime)); 249 } 250 return DEX_OPT_PERFORMED; 251 } catch (InstallerException e) { 252 Slog.w(TAG, "Failed to dexopt", e); 253 return DEX_OPT_FAILED; 254 } 255 } 256 257 /** 258 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 259 * 260 * @return 261 * DEX_OPT_FAILED if there was any exception during dexopt 262 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 263 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 264 * didn't need an update. That's because at the moment we don't get more than success/failure 265 * from installd. 266 * 267 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 268 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 269 * that seems wasteful. 270 */ 271 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, 272 PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { 273 synchronized (mInstallLock) { 274 final long acquireTime = acquireWakeLockLI(info.uid); 275 try { 276 return dexOptSecondaryDexPathLI(info, path, dexUseInfo, options); 277 } finally { 278 releaseWakeLockLI(acquireTime); 279 } 280 } 281 } 282 283 @GuardedBy("mInstallLock") 284 private long acquireWakeLockLI(final int uid) { 285 // During boot the system doesn't need to instantiate and obtain a wake lock. 286 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 287 // dexopt. 288 if (!mSystemReady) { 289 return -1; 290 } 291 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 292 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 293 return SystemClock.elapsedRealtime(); 294 } 295 296 @GuardedBy("mInstallLock") 297 private void releaseWakeLockLI(final long acquireTime) { 298 if (acquireTime < 0) { 299 return; 300 } 301 try { 302 if (mDexoptWakeLock.isHeld()) { 303 mDexoptWakeLock.release(); 304 } 305 final long duration = SystemClock.elapsedRealtime() - acquireTime; 306 if (duration >= WAKELOCK_TIMEOUT_MS) { 307 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 308 + " time out. Operation took " + duration + " ms. Thread: " 309 + Thread.currentThread().getName()); 310 } 311 } catch (Exception e) { 312 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 313 } 314 } 315 316 @GuardedBy("mInstallLock") 317 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, 318 PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { 319 if (options.isDexoptOnlySharedDex() && !dexUseInfo.isUsedByOtherApps()) { 320 // We are asked to optimize only the dex files used by other apps and this is not 321 // on of them: skip it. 322 return DEX_OPT_SKIPPED; 323 } 324 325 String compilerFilter = getRealCompilerFilter(info, options.getCompilerFilter(), 326 dexUseInfo.isUsedByOtherApps()); 327 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 328 // Secondary dex files are currently not compiled at boot. 329 int dexoptFlags = getDexFlags(info, compilerFilter, /* bootComplete */ true) 330 | DEXOPT_SECONDARY_DEX; 331 // Check the app storage and add the appropriate flags. 332 if (info.deviceProtectedDataDir != null && 333 FileUtils.contains(info.deviceProtectedDataDir, path)) { 334 dexoptFlags |= DEXOPT_STORAGE_DE; 335 } else if (info.credentialProtectedDataDir != null && 336 FileUtils.contains(info.credentialProtectedDataDir, path)) { 337 dexoptFlags |= DEXOPT_STORAGE_CE; 338 } else { 339 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 340 return DEX_OPT_FAILED; 341 } 342 Log.d(TAG, "Running dexopt on: " + path 343 + " pkg=" + info.packageName + " isa=" + dexUseInfo.getLoaderIsas() 344 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 345 + " target-filter=" + compilerFilter); 346 347 String classLoaderContext; 348 if (dexUseInfo.isUnknownClassLoaderContext() || 349 dexUseInfo.isUnsupportedClassLoaderContext() || 350 dexUseInfo.isVariableClassLoaderContext()) { 351 // If we have an unknown (not yet set), unsupported (custom class loaders), or a 352 // variable class loader chain, compile without a context and mark the oat file with 353 // SKIP_SHARED_LIBRARY_CHECK. Note that his might lead to a incorrect compilation. 354 // TODO(calin): We should just extract in this case. 355 classLoaderContext = SKIP_SHARED_LIBRARY_CHECK; 356 } else { 357 classLoaderContext = dexUseInfo.getClassLoaderContext(); 358 } 359 try { 360 for (String isa : dexUseInfo.getLoaderIsas()) { 361 // Reuse the same dexopt path as for the primary apks. We don't need all the 362 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 363 // system server cannot read untrusted app content. 364 // TODO(calin): maybe add a separate call. 365 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 366 /*oatDir*/ null, dexoptFlags, 367 compilerFilter, info.volumeUuid, classLoaderContext, info.seInfoUser, 368 options.isDowngrade()); 369 } 370 371 return DEX_OPT_PERFORMED; 372 } catch (InstallerException e) { 373 Slog.w(TAG, "Failed to dexopt", e); 374 return DEX_OPT_FAILED; 375 } 376 } 377 378 /** 379 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 380 * optimize or not (and in what way). 381 */ 382 protected int adjustDexoptNeeded(int dexoptNeeded) { 383 return dexoptNeeded; 384 } 385 386 /** 387 * Adjust the given dexopt flags that will be passed to the installer. 388 */ 389 protected int adjustDexoptFlags(int dexoptFlags) { 390 return dexoptFlags; 391 } 392 393 /** 394 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 395 */ 396 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg, 397 PackageDexUsage.PackageUseInfo useInfo) { 398 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 399 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 400 401 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 402 403 for (String path : paths) { 404 pw.println("path: " + path); 405 pw.increaseIndent(); 406 407 for (String isa : dexCodeInstructionSets) { 408 String status = null; 409 try { 410 status = DexFile.getDexFileStatus(path, isa); 411 } catch (IOException ioe) { 412 status = "[Exception]: " + ioe.getMessage(); 413 } 414 pw.println(isa + ": " + status); 415 } 416 417 if (useInfo.isUsedByOtherApps(path)) { 418 pw.println("used be other apps: " + useInfo.getLoadingPackages(path)); 419 } 420 421 Map<String, PackageDexUsage.DexUseInfo> dexUseInfoMap = useInfo.getDexUseInfoMap(); 422 423 if (!dexUseInfoMap.isEmpty()) { 424 pw.println("known secondary dex files:"); 425 pw.increaseIndent(); 426 for (Map.Entry<String, PackageDexUsage.DexUseInfo> e : dexUseInfoMap.entrySet()) { 427 String dex = e.getKey(); 428 PackageDexUsage.DexUseInfo dexUseInfo = e.getValue(); 429 pw.println(dex); 430 pw.increaseIndent(); 431 for (String isa : dexUseInfo.getLoaderIsas()) { 432 String status = null; 433 try { 434 status = DexFile.getDexFileStatus(path, isa); 435 } catch (IOException ioe) { 436 status = "[Exception]: " + ioe.getMessage(); 437 } 438 pw.println(isa + ": " + status); 439 } 440 441 pw.println("class loader context: " + dexUseInfo.getClassLoaderContext()); 442 if (dexUseInfo.isUsedByOtherApps()) { 443 pw.println("used be other apps: " + dexUseInfo.getLoadingPackages()); 444 } 445 pw.decreaseIndent(); 446 } 447 pw.decreaseIndent(); 448 } 449 pw.decreaseIndent(); 450 } 451 } 452 453 /** 454 * Returns the compiler filter that should be used to optimize the package code. 455 * The target filter will be updated if the package code is used by other apps 456 * or if it has the safe mode flag set. 457 */ 458 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 459 boolean isUsedByOtherApps) { 460 int flags = info.flags; 461 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 462 if (vmSafeMode) { 463 return getSafeModeCompilerFilter(targetCompilerFilter); 464 } 465 466 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 467 // If the dex files is used by other apps, we cannot use profile-guided compilation. 468 return getNonProfileGuidedCompilerFilter(targetCompilerFilter); 469 } 470 471 return targetCompilerFilter; 472 } 473 474 /** 475 * Computes the dex flags that needs to be pass to installd for the given package and compiler 476 * filter. 477 */ 478 private int getDexFlags(PackageParser.Package pkg, String compilerFilter, 479 boolean bootComplete) { 480 return getDexFlags(pkg.applicationInfo, compilerFilter, bootComplete); 481 } 482 483 private int getDexFlags(ApplicationInfo info, String compilerFilter, boolean bootComplete) { 484 int flags = info.flags; 485 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 486 // Profile guide compiled oat files should not be public. 487 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 488 boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter; 489 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 490 int dexFlags = 491 (isPublic ? DEXOPT_PUBLIC : 0) 492 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 493 | profileFlag 494 | (bootComplete ? DEXOPT_BOOTCOMPLETE : 0); 495 return adjustDexoptFlags(dexFlags); 496 } 497 498 /** 499 * Assesses if there's a need to perform dexopt on {@code path} for the given 500 * configuration (isa, compiler filter, profile). 501 */ 502 private int getDexoptNeeded(String path, String isa, String compilerFilter, 503 boolean newProfile, boolean downgrade) { 504 int dexoptNeeded; 505 try { 506 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, newProfile, 507 downgrade); 508 } catch (IOException ioe) { 509 Slog.w(TAG, "IOException reading apk: " + path, ioe); 510 return DEX_OPT_FAILED; 511 } 512 return adjustDexoptNeeded(dexoptNeeded); 513 } 514 515 /** 516 * Checks if there is an update on the profile information of the {@code pkg}. 517 * If the compiler filter is not profile guided the method returns false. 518 * 519 * Note that this is a "destructive" operation with side effects. Under the hood the 520 * current profile and the reference profile will be merged and subsequent calls 521 * may return a different result. 522 */ 523 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String compilerFilter) { 524 // Check if we are allowed to merge and if the compiler filter is profile guided. 525 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 526 return false; 527 } 528 // Merge profiles. It returns whether or not there was an updated in the profile info. 529 try { 530 return mInstaller.mergeProfiles(uid, pkg.packageName); 531 } catch (InstallerException e) { 532 Slog.w(TAG, "Failed to merge profiles", e); 533 } 534 return false; 535 } 536 537 /** 538 * Creates oat dir for the specified package if needed and supported. 539 * In certain cases oat directory 540 * <strong>cannot</strong> be created: 541 * <ul> 542 * <li>{@code pkg} is a system app, which is not updated.</li> 543 * <li>Package location is not a directory, i.e. monolithic install.</li> 544 * </ul> 545 * 546 * @return Absolute path to the oat directory or null, if oat directory 547 * cannot be created. 548 */ 549 @Nullable 550 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 551 if (!pkg.canHaveOatDir()) { 552 return null; 553 } 554 File codePath = new File(pkg.codePath); 555 if (codePath.isDirectory()) { 556 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 557 // cluster packages). It seems that the logic for the folder creation is 558 // split between installd and here. 559 File oatDir = getOatDir(codePath); 560 try { 561 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 562 } catch (InstallerException e) { 563 Slog.w(TAG, "Failed to create oat dir", e); 564 return null; 565 } 566 return oatDir.getAbsolutePath(); 567 } 568 return null; 569 } 570 571 static File getOatDir(File codePath) { 572 return new File(codePath, OAT_DIR_NAME); 573 } 574 575 void systemReady() { 576 mSystemReady = true; 577 } 578 579 private String printDexoptFlags(int flags) { 580 ArrayList<String> flagsList = new ArrayList<>(); 581 582 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 583 flagsList.add("boot_complete"); 584 } 585 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 586 flagsList.add("debuggable"); 587 } 588 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 589 flagsList.add("profile_guided"); 590 } 591 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 592 flagsList.add("public"); 593 } 594 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 595 flagsList.add("secondary"); 596 } 597 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 598 flagsList.add("force"); 599 } 600 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 601 flagsList.add("storage_ce"); 602 } 603 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 604 flagsList.add("storage_de"); 605 } 606 607 return String.join(",", flagsList); 608 } 609 610 /** 611 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 612 * dexopt path. 613 */ 614 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 615 616 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 617 Context context, String wakeLockTag) { 618 super(installer, installLock, context, wakeLockTag); 619 } 620 621 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 622 super(from); 623 } 624 625 @Override 626 protected int adjustDexoptNeeded(int dexoptNeeded) { 627 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 628 // Ensure compilation by pretending a compiler filter change on the 629 // apk/odex location (the reason for the '-'. A positive value means 630 // the 'oat' location). 631 return -DexFile.DEX2OAT_FOR_FILTER; 632 } 633 return dexoptNeeded; 634 } 635 636 @Override 637 protected int adjustDexoptFlags(int flags) { 638 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 639 // and discard dexoptanalyzer result. 640 return flags | DEXOPT_FORCE; 641 } 642 } 643} 644