Merge "Revert^2 "Check and `speed` compile System UI on boot."" into tm-dev

import static com.android.server.pm.PackageManagerService.REASON_FIRST_BOOT;

import static com.android.server.pm.PackageManagerService.STUB_SUFFIX;

import static com.android.server.pm.PackageManagerService.TAG;

import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason;

import static com.android.server.pm.PackageManagerServiceCompilerMapping.getDefaultCompilerFilter;

import static com.android.server.pm.PackageManagerServiceUtils.REMOVE_IF_NULL_PKG;

import android.Manifest;

import android.annotation.NonNull;

import android.annotation.RequiresPermission;

import android.app.ActivityManager;

import android.app.AppGlobals;

import android.content.Intent;

import android.os.SystemProperties;

import android.os.Trace;

import android.os.UserHandle;

import android.provider.DeviceConfig;

import android.util.ArraySet;

import android.util.Log;

import android.util.Slog;

import com.android.server.pm.parsing.pkg.AndroidPackageUtils;

import com.android.server.pm.pkg.PackageStateInternal;

import dalvik.system.DexFile;

import java.io.File;

import java.util.ArrayList;

import java.util.Collection;

                numberOfPackagesFailed};

    }

    /**

     * Checks if system UI package (typically "com.android.systemui") needs to be re-compiled, and

     * compiles it if needed.

     */

    private void checkAndDexOptSystemUi() {

        Computer snapshot = mPm.snapshotComputer();

        String sysUiPackageName =

                mPm.mContext.getString(com.android.internal.R.string.config_systemUi);

        AndroidPackage pkg = snapshot.getPackage(sysUiPackageName);

        if (pkg == null) {

            Log.w(TAG, "System UI package " + sysUiPackageName + " is not found for dexopting");

            return;

        }

        // It could also be after mainline update, but we're not introducing a new reason just for

        // this special case.

        int reason = REASON_BOOT_AFTER_OTA;

        String defaultCompilerFilter = getCompilerFilterForReason(reason);

        String targetCompilerFilter =

                SystemProperties.get("dalvik.vm.systemuicompilerfilter", defaultCompilerFilter);

        String compilerFilter;

        if (DexFile.isProfileGuidedCompilerFilter(targetCompilerFilter)) {

            compilerFilter = defaultCompilerFilter;

            File profileFile = new File(getPrebuildProfilePath(pkg));

            // Copy the profile to the reference profile path if it exists. Installd can only use a

            // profile at the reference profile path for dexopt.

            if (profileFile.exists()) {

                try {

                    synchronized (mPm.mInstallLock) {

                        if (mPm.mInstaller.copySystemProfile(profileFile.getAbsolutePath(),

                                    pkg.getUid(), pkg.getPackageName(),

                                    ArtManager.getProfileName(null))) {

                            compilerFilter = targetCompilerFilter;

                        } else {

                            Log.e(TAG, "Failed to copy profile " + profileFile.getAbsolutePath());

                        }

                    }

                } catch (Exception e) {

                    Log.e(TAG, "Failed to copy profile " + profileFile.getAbsolutePath(), e);

                }

            }

        } else {

            compilerFilter = targetCompilerFilter;

        }

        performDexOptTraced(new DexoptOptions(pkg.getPackageName(), REASON_BOOT_AFTER_OTA,

                compilerFilter, null /* splitName */, 0 /* dexoptFlags */));

    }

    @RequiresPermission(Manifest.permission.READ_DEVICE_CONFIG)

    public void performPackageDexOptUpgradeIfNeeded() {

        PackageManagerServiceUtils.enforceSystemOrRoot(

                "Only the system can request package update");

        // The default is "true".

        if (!"false".equals(DeviceConfig.getProperty("runtime", "dexopt_system_ui_on_boot"))) {

            // System UI is important to user experience, so we check it on every boot. It may need

            // to be re-compiled after a mainline update or an OTA.

            // TODO(b/227310505): Only do this after a mainline update or an OTA.

            checkAndDexOptSystemUi();

        }

        // We need to re-extract after an OTA.

        boolean causeUpgrade = mPm.isDeviceUpgrading();