Merge changes I87740397,I0cc4538b,Iaceb2b7c (56ba9447) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/BackgroundDexOptService.java

+52 −64

Original line number	Diff line number	Diff line
		@@ -16,7 +16,6 @@

		package com.android.server.pm;

		import static com.android.server.pm.PackageManagerService.DEBUG_DEXOPT;
		import static com.android.server.pm.PackageManagerService.PLATFORM_PACKAGE_NAME;

		import android.annotation.Nullable;
		@@ -24,12 +23,13 @@ import android.app.job.JobInfo;
		import android.app.job.JobParameters;
		import android.app.job.JobScheduler;
		import android.app.job.JobService;
		import android.content.BroadcastReceiver;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.pm.PackageInfo;
		import android.os.BatteryManager;
		import android.os.BatteryManagerInternal;
		import android.os.Environment;
		import android.os.ServiceManager;
		import android.os.SystemProperties;
		@@ -37,6 +37,7 @@ import android.os.UserHandle;
		import android.os.storage.StorageManager;
		import android.util.ArraySet;
		import android.util.Log;
		import android.util.Slog;

		import com.android.internal.util.ArrayUtils;
		import com.android.internal.util.FrameworkStatsLog;
		@@ -65,9 +66,7 @@ public class BackgroundDexOptService extends JobService {
		private static final int JOB_IDLE_OPTIMIZE = 800;
		private static final int JOB_POST_BOOT_UPDATE = 801;

		private static final long IDLE_OPTIMIZATION_PERIOD = DEBUG
		? TimeUnit.MINUTES.toMillis(1)
		: TimeUnit.DAYS.toMillis(1);
		private static final long IDLE_OPTIMIZATION_PERIOD = TimeUnit.DAYS.toMillis(1);

		private static ComponentName sDexoptServiceName = new ComponentName(
		"android",
		@@ -115,14 +114,24 @@ public class BackgroundDexOptService extends JobService {
		return;
		}

		JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
		final JobScheduler js = context.getSystemService(JobScheduler.class);

		// Schedule a one-off job which scans installed packages and updates
		// out-of-date oat files.
		// out-of-date oat files. Schedule it 10 minutes after the boot complete event,
		// so that we don't overload the boot with additional dex2oat compilations.
		context.registerReceiver(new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		js.schedule(new JobInfo.Builder(JOB_POST_BOOT_UPDATE, sDexoptServiceName)
		.setMinimumLatency(TimeUnit.MINUTES.toMillis(1))
		.setOverrideDeadline(TimeUnit.MINUTES.toMillis(1))
		.setMinimumLatency(TimeUnit.MINUTES.toMillis(10))
		.setOverrideDeadline(TimeUnit.MINUTES.toMillis(60))
		.build());
		context.unregisterReceiver(this);
		if (DEBUG) {
		Slog.i(TAG, "BootBgDexopt scheduled");
		}
		}
		}, new IntentFilter(Intent.ACTION_BOOT_COMPLETED));

		// Schedule a daily job which scans installed packages and compiles
		// those with fresh profiling data.
		@@ -132,8 +141,8 @@ public class BackgroundDexOptService extends JobService {
		.setPeriodic(IDLE_OPTIMIZATION_PERIOD)
		.build());

		if (DEBUG_DEXOPT) {
		Log.i(TAG, "Jobs scheduled");
		if (DEBUG) {
		Slog.d(TAG, "BgDexopt scheduled");
		}
		}

		@@ -149,32 +158,11 @@ public class BackgroundDexOptService extends JobService {
		}
		}

		// Returns the current battery level as a 0-100 integer.
		private int getBatteryLevel() {
		IntentFilter filter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
		Intent intent = registerReceiver(null, filter);
		int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
		int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
		boolean present = intent.getBooleanExtra(BatteryManager.EXTRA_PRESENT, true);

		if (!present) {
		// No battery, treat as if 100%, no possibility of draining battery.
		return 100;
		}

		if (level < 0 \|\| scale <= 0) {
		// Battery data unavailable. This should never happen, so assume the worst.
		return 0;
		}

		return (100 * level / scale);
		}

		private long getLowStorageThreshold(Context context) {
		@SuppressWarnings("deprecation")
		final long lowThreshold = StorageManager.from(context).getStorageLowBytes(mDataDir);
		if (lowThreshold == 0) {
		Log.e(TAG, "Invalid low storage threshold");
		Slog.e(TAG, "Invalid low storage threshold");
		}

		return lowThreshold;
		@@ -198,9 +186,8 @@ public class BackgroundDexOptService extends JobService {

		private void postBootUpdate(JobParameters jobParams, PackageManagerService pm,
		ArraySet<String> pkgs) {
		// Load low battery threshold from the system config. This is a 0-100 integer.
		final int lowBatteryThreshold = getResources().getInteger(
		com.android.internal.R.integer.config_lowBatteryWarningLevel);
		final BatteryManagerInternal batteryManagerInternal =
		LocalServices.getService(BatteryManagerInternal.class);
		final long lowThreshold = getLowStorageThreshold(this);

		mAbortPostBootUpdate.set(false);
		@@ -215,20 +202,19 @@ public class BackgroundDexOptService extends JobService {
		// Different job, which supersedes this one, is running.
		break;
		}
		if (getBatteryLevel() < lowBatteryThreshold) {
		if (batteryManagerInternal.getBatteryLevelLow()) {
		// Rather bail than completely drain the battery.
		break;
		}
		long usableSpace = mDataDir.getUsableSpace();
		if (usableSpace < lowThreshold) {
		// Rather bail than completely fill up the disk.
		Log.w(TAG, "Aborting background dex opt job due to low storage: " +
		Slog.w(TAG, "Aborting background dex opt job due to low storage: " +
		usableSpace);
		break;
		}

		if (DEBUG_DEXOPT) {
		Log.i(TAG, "Updating package " + pkg);
		if (DEBUG) {
		Slog.i(TAG, "Updating package " + pkg);
		}

		// Update package if needed. Note that there can be no race between concurrent
		@@ -260,13 +246,13 @@ public class BackgroundDexOptService extends JobService {
		public void run() {
		int result = idleOptimization(pm, pkgs, BackgroundDexOptService.this);
		if (result == OPTIMIZE_PROCESSED) {
		Log.i(TAG, "Idle optimizations completed.");
		Slog.i(TAG, "Idle optimizations completed.");
		} else if (result == OPTIMIZE_ABORT_NO_SPACE_LEFT) {
		Log.w(TAG, "Idle optimizations aborted because of space constraints.");
		Slog.w(TAG, "Idle optimizations aborted because of space constraints.");
		} else if (result == OPTIMIZE_ABORT_BY_JOB_SCHEDULER) {
		Log.w(TAG, "Idle optimizations aborted by job scheduler.");
		Slog.w(TAG, "Idle optimizations aborted by job scheduler.");
		} else {
		Log.w(TAG, "Idle optimizations ended with unexpected code: " + result);
		Slog.w(TAG, "Idle optimizations ended with unexpected code: " + result);
		}
		if (result != OPTIMIZE_ABORT_BY_JOB_SCHEDULER) {
		// Abandon our timeslice and do not reschedule.
		@@ -280,7 +266,7 @@ public class BackgroundDexOptService extends JobService {
		// Optimize the given packages and return the optimization result (one of the OPTIMIZE_* codes).
		private int idleOptimization(PackageManagerService pm, ArraySet<String> pkgs,
		Context context) {
		Log.i(TAG, "Performing idle optimizations");
		Slog.i(TAG, "Performing idle optimizations");
		// If post-boot update is still running, request that it exits early.
		mExitPostBootUpdate.set(true);
		mAbortIdleOptimization.set(false);
		@@ -355,11 +341,15 @@ public class BackgroundDexOptService extends JobService {
		final long lowStorageThresholdForDowngrade = LOW_THRESHOLD_MULTIPLIER_FOR_DOWNGRADE
		* lowStorageThreshold;
		boolean shouldDowngrade = shouldDowngrade(lowStorageThresholdForDowngrade);
		Log.d(TAG, "Should Downgrade " + shouldDowngrade);
		if (DEBUG) {
		Slog.d(TAG, "Should Downgrade " + shouldDowngrade);
		}
		if (shouldDowngrade) {
		Set<String> unusedPackages =
		pm.getUnusedPackages(mDowngradeUnusedAppsThresholdInMillis);
		Log.d(TAG, "Unsused Packages " + String.join(",", unusedPackages));
		if (DEBUG) {
		Slog.d(TAG, "Unsused Packages " + String.join(",", unusedPackages));
		}

		if (!unusedPackages.isEmpty()) {
		for (String pkg : unusedPackages) {
		@@ -431,7 +421,9 @@ public class BackgroundDexOptService extends JobService {
		*/
		private boolean downgradePackage(PackageManagerService pm, String pkg,
		boolean isForPrimaryDex) {
		Log.d(TAG, "Downgrading " + pkg);
		if (DEBUG) {
		Slog.d(TAG, "Downgrading " + pkg);
		}
		boolean dex_opt_performed = false;
		int reason = PackageManagerService.REASON_INACTIVE_PACKAGE_DOWNGRADE;
		int dexoptFlags = DexoptOptions.DEXOPT_BOOT_COMPLETE
		@@ -553,7 +545,7 @@ public class BackgroundDexOptService extends JobService {
		long usableSpace = mDataDir.getUsableSpace();
		if (usableSpace < lowStorageThreshold) {
		// Rather bail than completely fill up the disk.
		Log.w(TAG, "Aborting background dex opt job due to low storage: " + usableSpace);
		Slog.w(TAG, "Aborting background dex opt job due to low storage: " + usableSpace);
		return OPTIMIZE_ABORT_NO_SPACE_LEFT;
		}

		@@ -592,8 +584,8 @@ public class BackgroundDexOptService extends JobService {

		@Override
		public boolean onStartJob(JobParameters params) {
		if (DEBUG_DEXOPT) {
		Log.i(TAG, "onStartJob");
		if (DEBUG) {
		Slog.i(TAG, "onStartJob");
		}

		// NOTE: PackageManagerService.isStorageLow uses a different set of criteria from
		@@ -601,17 +593,13 @@ public class BackgroundDexOptService extends JobService {
		// restart with a period of ~1 minute.
		PackageManagerService pm = (PackageManagerService)ServiceManager.getService("package");
		if (pm.isStorageLow()) {
		if (DEBUG_DEXOPT) {
		Log.i(TAG, "Low storage, skipping this run");
		}
		Slog.i(TAG, "Low storage, skipping this run");
		return false;
		}

		final ArraySet<String> pkgs = pm.getOptimizablePackages();
		if (pkgs.isEmpty()) {
		if (DEBUG_DEXOPT) {
		Log.i(TAG, "No packages to optimize");
		}
		Slog.i(TAG, "No packages to optimize");
		return false;
		}

		@@ -627,8 +615,8 @@ public class BackgroundDexOptService extends JobService {

		@Override
		public boolean onStopJob(JobParameters params) {
		if (DEBUG_DEXOPT) {
		Log.i(TAG, "onStopJob");
		if (DEBUG) {
		Slog.d(TAG, "onStopJob");
		}

		if (params.getJobId() == JOB_POST_BOOT_UPDATE) {
		@@ -649,7 +637,7 @@ public class BackgroundDexOptService extends JobService {
		private void notifyPinService(ArraySet<String> updatedPackages) {
		PinnerService pinnerService = LocalServices.getService(PinnerService.class);
		if (pinnerService != null) {
		Log.i(TAG, "Pinning optimized code " + updatedPackages);
		Slog.i(TAG, "Pinning optimized code " + updatedPackages);
		pinnerService.update(updatedPackages, false /* force */);
		}
		}
		@@ -684,7 +672,7 @@ public class BackgroundDexOptService extends JobService {
		final String sysPropKey = "pm.dexopt.downgrade_after_inactive_days";
		String sysPropValue = SystemProperties.get(sysPropKey);
		if (sysPropValue == null \|\| sysPropValue.isEmpty()) {
		Log.w(TAG, "SysProp " + sysPropKey + " not set");
		Slog.w(TAG, "SysProp " + sysPropKey + " not set");
		return Long.MAX_VALUE;
		}
		return TimeUnit.DAYS.toMillis(Long.parseLong(sysPropValue));