| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.pm; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageParser; |
| import android.os.Environment; |
| import android.os.PowerManager; |
| import android.os.UserHandle; |
| import android.os.WorkSource; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.os.InstallerConnection.InstallerException; |
| import com.android.internal.util.IndentingPrintWriter; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.List; |
| |
| import dalvik.system.DexFile; |
| |
| import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; |
| import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; |
| import static com.android.server.pm.Installer.DEXOPT_PROFILE_GUIDED; |
| import static com.android.server.pm.Installer.DEXOPT_PUBLIC; |
| import static com.android.server.pm.Installer.DEXOPT_SAFEMODE; |
| import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; |
| import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; |
| import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; |
| |
| /** |
| * Helper class for running dexopt command on packages. |
| */ |
| class PackageDexOptimizer { |
| private static final String TAG = "PackageManager.DexOptimizer"; |
| static final String OAT_DIR_NAME = "oat"; |
| // TODO b/19550105 Remove error codes and use exceptions |
| static final int DEX_OPT_SKIPPED = 0; |
| static final int DEX_OPT_PERFORMED = 1; |
| static final int DEX_OPT_FAILED = -1; |
| |
| private final Installer mInstaller; |
| private final Object mInstallLock; |
| |
| private final PowerManager.WakeLock mDexoptWakeLock; |
| private volatile boolean mSystemReady; |
| |
| PackageDexOptimizer(Installer installer, Object installLock, Context context, |
| String wakeLockTag) { |
| this.mInstaller = installer; |
| this.mInstallLock = installLock; |
| |
| PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); |
| } |
| |
| protected PackageDexOptimizer(PackageDexOptimizer from) { |
| this.mInstaller = from.mInstaller; |
| this.mInstallLock = from.mInstallLock; |
| this.mDexoptWakeLock = from.mDexoptWakeLock; |
| this.mSystemReady = from.mSystemReady; |
| } |
| |
| static boolean canOptimizePackage(PackageParser.Package pkg) { |
| return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; |
| } |
| |
| /** |
| * Performs dexopt on all code paths and libraries of the specified package for specified |
| * instruction sets. |
| * |
| * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are |
| * synchronized on {@link #mInstallLock}. |
| */ |
| int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, |
| String[] instructionSets, boolean checkProfiles, String targetCompilationFilter, |
| CompilerStats.PackageStats packageStats) { |
| synchronized (mInstallLock) { |
| final boolean useLock = mSystemReady; |
| if (useLock) { |
| mDexoptWakeLock.setWorkSource(new WorkSource(pkg.applicationInfo.uid)); |
| mDexoptWakeLock.acquire(); |
| } |
| try { |
| return performDexOptLI(pkg, sharedLibraries, instructionSets, checkProfiles, |
| targetCompilationFilter, packageStats); |
| } finally { |
| if (useLock) { |
| mDexoptWakeLock.release(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Adjust the given dexopt-needed value. Can be overridden to influence the decision to |
| * optimize or not (and in what way). |
| */ |
| protected int adjustDexoptNeeded(int dexoptNeeded) { |
| return dexoptNeeded; |
| } |
| |
| /** |
| * Adjust the given dexopt flags that will be passed to the installer. |
| */ |
| protected int adjustDexoptFlags(int dexoptFlags) { |
| return dexoptFlags; |
| } |
| |
| /** |
| * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. |
| */ |
| void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg) { |
| final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); |
| final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); |
| |
| final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); |
| |
| for (String instructionSet : dexCodeInstructionSets) { |
| pw.println("Instruction Set: " + instructionSet); |
| pw.increaseIndent(); |
| for (String path : paths) { |
| String status = null; |
| try { |
| status = DexFile.getDexFileStatus(path, instructionSet); |
| } catch (IOException ioe) { |
| status = "[Exception]: " + ioe.getMessage(); |
| } |
| pw.println("path: " + path); |
| pw.println("status: " + status); |
| } |
| pw.decreaseIndent(); |
| } |
| } |
| |
| private int performDexOptLI(PackageParser.Package pkg, String[] sharedLibraries, |
| String[] targetInstructionSets, boolean checkProfiles, String targetCompilerFilter, |
| CompilerStats.PackageStats packageStats) { |
| final String[] instructionSets = targetInstructionSets != null ? |
| targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); |
| |
| if (!canOptimizePackage(pkg)) { |
| return DEX_OPT_SKIPPED; |
| } |
| |
| final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); |
| final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); |
| |
| boolean isProfileGuidedFilter = DexFile.isProfileGuidedCompilerFilter(targetCompilerFilter); |
| // If any part of the app is used by other apps, we cannot use profile-guided |
| // compilation. |
| if (isProfileGuidedFilter && isUsedByOtherApps(pkg)) { |
| checkProfiles = false; |
| |
| targetCompilerFilter = getNonProfileGuidedCompilerFilter(targetCompilerFilter); |
| if (DexFile.isProfileGuidedCompilerFilter(targetCompilerFilter)) { |
| throw new IllegalStateException(targetCompilerFilter); |
| } |
| isProfileGuidedFilter = false; |
| } |
| |
| // If we're asked to take profile updates into account, check now. |
| boolean newProfile = false; |
| if (checkProfiles && isProfileGuidedFilter) { |
| // Merge profiles, see if we need to do anything. |
| try { |
| newProfile = mInstaller.mergeProfiles(sharedGid, pkg.packageName); |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to merge profiles", e); |
| } |
| } |
| |
| final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; |
| final boolean debuggable = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; |
| |
| boolean performedDexOpt = false; |
| boolean successfulDexOpt = true; |
| |
| final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); |
| for (String dexCodeInstructionSet : dexCodeInstructionSets) { |
| for (String path : paths) { |
| int dexoptNeeded; |
| try { |
| dexoptNeeded = DexFile.getDexOptNeeded(path, |
| dexCodeInstructionSet, targetCompilerFilter, newProfile); |
| } catch (IOException ioe) { |
| Slog.w(TAG, "IOException reading apk: " + path, ioe); |
| return DEX_OPT_FAILED; |
| } |
| dexoptNeeded = adjustDexoptNeeded(dexoptNeeded); |
| if (PackageManagerService.DEBUG_DEXOPT) { |
| Log.i(TAG, "DexoptNeeded for " + path + "@" + targetCompilerFilter + " is " + |
| dexoptNeeded); |
| } |
| |
| final String dexoptType; |
| String oatDir = null; |
| switch (dexoptNeeded) { |
| case DexFile.NO_DEXOPT_NEEDED: |
| continue; |
| case DexFile.DEX2OAT_NEEDED: |
| dexoptType = "dex2oat"; |
| oatDir = createOatDirIfSupported(pkg, dexCodeInstructionSet); |
| break; |
| case DexFile.PATCHOAT_NEEDED: |
| dexoptType = "patchoat"; |
| break; |
| case DexFile.SELF_PATCHOAT_NEEDED: |
| dexoptType = "self patchoat"; |
| break; |
| default: |
| throw new IllegalStateException("Invalid dexopt:" + dexoptNeeded); |
| } |
| |
| String sharedLibrariesPath = null; |
| if (sharedLibraries != null && sharedLibraries.length != 0) { |
| StringBuilder sb = new StringBuilder(); |
| for (String lib : sharedLibraries) { |
| if (sb.length() != 0) { |
| sb.append(":"); |
| } |
| sb.append(lib); |
| } |
| sharedLibrariesPath = sb.toString(); |
| } |
| Log.i(TAG, "Running dexopt (" + dexoptType + ") on: " + path + " pkg=" |
| + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet |
| + " vmSafeMode=" + vmSafeMode + " debuggable=" + debuggable |
| + " target-filter=" + targetCompilerFilter + " oatDir = " + oatDir |
| + " sharedLibraries=" + sharedLibrariesPath); |
| // Profile guide compiled oat files should not be public. |
| final boolean isPublic = !pkg.isForwardLocked() && !isProfileGuidedFilter; |
| final int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; |
| final int dexFlags = adjustDexoptFlags( |
| ( isPublic ? DEXOPT_PUBLIC : 0) |
| | (vmSafeMode ? DEXOPT_SAFEMODE : 0) |
| | (debuggable ? DEXOPT_DEBUGGABLE : 0) |
| | profileFlag |
| | DEXOPT_BOOTCOMPLETE); |
| |
| try { |
| long startTime = System.currentTimeMillis(); |
| |
| mInstaller.dexopt(path, sharedGid, pkg.packageName, dexCodeInstructionSet, |
| dexoptNeeded, oatDir, dexFlags, targetCompilerFilter, pkg.volumeUuid, |
| sharedLibrariesPath); |
| performedDexOpt = true; |
| |
| if (packageStats != null) { |
| long endTime = System.currentTimeMillis(); |
| packageStats.setCompileTime(path, (int)(endTime - startTime)); |
| } |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to dexopt", e); |
| successfulDexOpt = false; |
| } |
| } |
| } |
| |
| if (successfulDexOpt) { |
| // If we've gotten here, we're sure that no error occurred. We've either |
| // dex-opted one or more paths or instruction sets or we've skipped |
| // all of them because they are up to date. In both cases this package |
| // doesn't need dexopt any longer. |
| return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; |
| } else { |
| return DEX_OPT_FAILED; |
| } |
| } |
| |
| /** |
| * Creates oat dir for the specified package. In certain cases oat directory |
| * <strong>cannot</strong> be created: |
| * <ul> |
| * <li>{@code pkg} is a system app, which is not updated.</li> |
| * <li>Package location is not a directory, i.e. monolithic install.</li> |
| * </ul> |
| * |
| * @return Absolute path to the oat directory or null, if oat directory |
| * cannot be created. |
| */ |
| @Nullable |
| private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { |
| if (!pkg.canHaveOatDir()) { |
| return null; |
| } |
| File codePath = new File(pkg.codePath); |
| if (codePath.isDirectory()) { |
| File oatDir = getOatDir(codePath); |
| try { |
| mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to create oat dir", e); |
| return null; |
| } |
| return oatDir.getAbsolutePath(); |
| } |
| return null; |
| } |
| |
| static File getOatDir(File codePath) { |
| return new File(codePath, OAT_DIR_NAME); |
| } |
| |
| void systemReady() { |
| mSystemReady = true; |
| } |
| |
| /** |
| * Returns true if the profiling data collected for the given app indicate |
| * that the apps's APK has been loaded by another app. |
| * Note that this returns false for all forward-locked apps and apps without |
| * any collected profiling data. |
| */ |
| public static boolean isUsedByOtherApps(PackageParser.Package pkg) { |
| if (pkg.isForwardLocked()) { |
| // Skip the check for forward locked packages since they don't share their code. |
| return false; |
| } |
| |
| for (String apkPath : pkg.getAllCodePathsExcludingResourceOnly()) { |
| try { |
| apkPath = PackageManagerServiceUtils.realpath(new File(apkPath)); |
| } catch (IOException e) { |
| // Log an error but continue without it. |
| Slog.w(TAG, "Failed to get canonical path", e); |
| continue; |
| } |
| String useMarker = apkPath.replace('/', '@'); |
| final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); |
| for (int i = 0; i < currentUserIds.length; i++) { |
| File profileDir = |
| Environment.getDataProfilesDeForeignDexDirectory(currentUserIds[i]); |
| File foreignUseMark = new File(profileDir, useMarker); |
| if (foreignUseMark.exists()) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a |
| * dexopt path. |
| */ |
| public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { |
| |
| public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, |
| Context context, String wakeLockTag) { |
| super(installer, installLock, context, wakeLockTag); |
| } |
| |
| public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { |
| super(from); |
| } |
| |
| @Override |
| protected int adjustDexoptNeeded(int dexoptNeeded) { |
| // Ensure compilation, no matter the current state. |
| // TODO: The return value is wrong when patchoat is needed. |
| return DexFile.DEX2OAT_NEEDED; |
| } |
| } |
| } |
