Add exemptions to flex policy. (0f53d325) · Commits · e / os / android_frameworks_base

apex/jobscheduler/service/java/com/android/server/job/JobSchedulerService.java

+80 −13

Original line number	Diff line number	Diff line
		@@ -159,6 +159,7 @@ import java.util.List;
		import java.util.Map;
		import java.util.Objects;
		import java.util.concurrent.CountDownLatch;
		import java.util.concurrent.TimeUnit;
		import java.util.function.Consumer;
		import java.util.function.Predicate;

		@@ -301,6 +302,8 @@ public class JobSchedulerService extends com.android.server.SystemService
		private final ConnectivityController mConnectivityController;
		/** Need directly for sending uid state changes */
		private final DeviceIdleJobsController mDeviceIdleJobsController;
		/** Need directly for sending exempted bucket changes */
		private final FlexibilityController mFlexibilityController;
		/** Needed to get next estimated launch time. */
		private final PrefetchController mPrefetchController;
		/** Needed to get remaining quota time. */
		@@ -513,6 +516,10 @@ public class JobSchedulerService extends com.android.server.SystemService
		if (name == null) {
		continue;
		}
		if (DEBUG) {
		Slog.d(TAG, "DeviceConfig " + name
		+ " changed to " + properties.getString(name, null));
		}
		switch (name) {
		case Constants.KEY_ENABLE_API_QUOTAS:
		case Constants.KEY_ENABLE_EXECUTION_SAFEGUARDS_UDC:
		@@ -2528,17 +2535,17 @@ public class JobSchedulerService extends com.android.server.SystemService
		mControllers = new ArrayList<StateController>();
		mPrefetchController = new PrefetchController(this);
		mControllers.add(mPrefetchController);
		final FlexibilityController flexibilityController =
		mFlexibilityController =
		new FlexibilityController(this, mPrefetchController);
		mControllers.add(flexibilityController);
		mControllers.add(mFlexibilityController);
		mConnectivityController =
		new ConnectivityController(this, flexibilityController);
		new ConnectivityController(this, mFlexibilityController);
		mControllers.add(mConnectivityController);
		mControllers.add(new TimeController(this));
		final IdleController idleController = new IdleController(this, flexibilityController);
		final IdleController idleController = new IdleController(this, mFlexibilityController);
		mControllers.add(idleController);
		final BatteryController batteryController =
		new BatteryController(this, flexibilityController);
		new BatteryController(this, mFlexibilityController);
		mControllers.add(batteryController);
		mStorageController = new StorageController(this);
		mControllers.add(mStorageController);
		@@ -3186,6 +3193,13 @@ public class JobSchedulerService extends com.android.server.SystemService
		}
		}

		@Override
		public void onExemptedBucketChanged(@NonNull ArraySet<JobStatus> changedJobs) {
		if (changedJobs.size() > 0) {
		mFlexibilityController.onExemptedBucketChanged(changedJobs);
		}
		}

		@Override
		public void onRestrictionStateChanged(@NonNull JobRestriction restriction,
		boolean stopOvertimeJobs) {
		@@ -3493,7 +3507,10 @@ public class JobSchedulerService extends com.android.server.SystemService
		}

		final boolean shouldForceBatchJob;
		if (job.shouldTreatAsExpeditedJob() \|\| job.shouldTreatAsUserInitiatedJob()) {
		if (job.overrideState > JobStatus.OVERRIDE_NONE) {
		// The job should run for some test. Don't force batch it.
		shouldForceBatchJob = false;
		} else if (job.shouldTreatAsExpeditedJob() \|\| job.shouldTreatAsUserInitiatedJob()) {
		// Never batch expedited or user-initiated jobs, even for RESTRICTED apps.
		shouldForceBatchJob = false;
		} else if (job.getEffectiveStandbyBucket() == RESTRICTED_INDEX) {
		@@ -4946,6 +4963,8 @@ public class JobSchedulerService extends com.android.server.SystemService
		Slog.d(TAG, "executeRunCommand(): " + pkgName + "/" + namespace + "/" + userId
		+ " " + jobId + " s=" + satisfied + " f=" + force);

		final CountDownLatch delayLatch = new CountDownLatch(1);
		final JobStatus js;
		try {
		final int uid = AppGlobals.getPackageManager().getPackageUid(pkgName, 0,
		userId != UserHandle.USER_ALL ? userId : UserHandle.USER_SYSTEM);
		@@ -4954,7 +4973,7 @@ public class JobSchedulerService extends com.android.server.SystemService
		}

		synchronized (mLock) {
		final JobStatus js = mJobs.getJobByUidAndJobId(uid, namespace, jobId);
		js = mJobs.getJobByUidAndJobId(uid, namespace, jobId);
		if (js == null) {
		return JobSchedulerShellCommand.CMD_ERR_NO_JOB;
		}
		@@ -4965,23 +4984,71 @@ public class JobSchedulerService extends com.android.server.SystemService
		// Re-evaluate constraints after the override is set in case one of the overridden
		// constraints was preventing another constraint from thinking it needed to update.
		for (int c = mControllers.size() - 1; c >= 0; --c) {
		mControllers.get(c).reevaluateStateLocked(uid);
		mControllers.get(c).evaluateStateLocked(js);
		}

		if (!js.isConstraintsSatisfied()) {
		if (js.hasConnectivityConstraint()
		&& !js.isConstraintSatisfied(JobStatus.CONSTRAINT_CONNECTIVITY)
		&& js.wouldBeReadyWithConstraint(JobStatus.CONSTRAINT_CONNECTIVITY)) {
		// Because of how asynchronous the connectivity signals are, JobScheduler
		// may not get the connectivity satisfaction signal immediately. In this
		// case, wait a few seconds to see if it comes in before saying the
		// connectivity constraint isn't satisfied.
		mHandler.postDelayed(
		checkConstraintRunnableForTesting(
		mHandler, js, delayLatch, 5, 1000),
		1000);
		} else {
		// There's no asynchronous signal to wait for. We can immediately say the
		// job's constraints aren't satisfied and return.
		js.overrideState = JobStatus.OVERRIDE_NONE;
		return JobSchedulerShellCommand.CMD_ERR_CONSTRAINTS;
		}

		queueReadyJobsForExecutionLocked();
		maybeRunPendingJobsLocked();
		} else {
		delayLatch.countDown();
		}
		}
		} catch (RemoteException e) {
		// can't happen
		return 0;
		}

		// Choose to block the return until we're sure about the state of the connectivity job
		// so that tests can expect a reliable state after calling the run command.
		try {
		delayLatch.await(7L, TimeUnit.SECONDS);
		} catch (InterruptedException e) {
		Slog.e(TAG, "Couldn't wait for asynchronous constraint change", e);
		}

		synchronized (mLock) {
		if (!js.isConstraintsSatisfied()) {
		js.overrideState = JobStatus.OVERRIDE_NONE;
		return JobSchedulerShellCommand.CMD_ERR_CONSTRAINTS;
		}

		queueReadyJobsForExecutionLocked();
		maybeRunPendingJobsLocked();
		}
		return 0;
		}

		private static Runnable checkConstraintRunnableForTesting(@NonNull final Handler handler,
		@NonNull final JobStatus js, @NonNull final CountDownLatch latch,
		final int remainingAttempts, final long delayMs) {
		return () -> {
		if (remainingAttempts <= 0 \|\| js.isConstraintsSatisfied()) {
		latch.countDown();
		return;
		}
		handler.postDelayed(
		checkConstraintRunnableForTesting(
		handler, js, latch, remainingAttempts - 1, delayMs),
		delayMs);
		};
		}

		// Shell command infrastructure: immediately timeout currently executing jobs
		int executeStopCommand(PrintWriter pw, String pkgName, int userId,
		@Nullable String namespace, boolean hasJobId, int jobId,

apex/jobscheduler/service/java/com/android/server/job/StateChangedListener.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,12 @@ public interface StateChangedListener {

		void onNetworkChanged(JobStatus jobStatus, Network newNetwork);

		/**
		* Called when these jobs are added or removed from the
		* {@link android.app.usage.UsageStatsManager#STANDBY_BUCKET_EXEMPTED} bucket.
		*/
		void onExemptedBucketChanged(@NonNull ArraySet<JobStatus> jobs);

		/**
		* Called when these jobs are added or removed from the
		* {@link android.app.usage.UsageStatsManager#STANDBY_BUCKET_RESTRICTED} bucket.

apex/jobscheduler/service/java/com/android/server/job/controllers/FlexibilityController.java

+52 −19

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import static android.text.format.DateUtils.DAY_IN_MILLIS;
		import static android.text.format.DateUtils.HOUR_IN_MILLIS;
		import static android.text.format.DateUtils.MINUTE_IN_MILLIS;

		import static com.android.server.job.JobSchedulerService.EXEMPTED_INDEX;
		import static com.android.server.job.JobSchedulerService.sElapsedRealtimeClock;
		import static com.android.server.job.controllers.JobStatus.CONSTRAINT_BATTERY_NOT_LOW;
		import static com.android.server.job.controllers.JobStatus.CONSTRAINT_CHARGING;
		@@ -180,8 +181,12 @@ public final class FlexibilityController extends StateController {
		}
		};

		private static final int MSG_UPDATE_JOBS = 0;
		private static final int MSG_UPDATE_JOB = 1;
		private static final int MSG_CHECK_ALL_JOBS = 0;
		/** Check the jobs in {@link #mJobsToCheck} */
		private static final int MSG_CHECK_JOBS = 1;

		@GuardedBy("mLock")
		private final ArraySet<JobStatus> mJobsToCheck = new ArraySet<>();

		public FlexibilityController(
		JobSchedulerService service, PrefetchController prefetchController) {
		@@ -266,7 +271,14 @@ public final class FlexibilityController extends StateController {
		@GuardedBy("mLock")
		boolean isFlexibilitySatisfiedLocked(JobStatus js) {
		return !mFlexibilityEnabled
		// Exclude all jobs of the TOP app
		\|\| mService.getUidBias(js.getSourceUid()) == JobInfo.BIAS_TOP_APP
		// Only exclude DEFAULT+ priority jobs for BFGS+ apps
		\|\| (mService.getUidBias(js.getSourceUid()) >= JobInfo.BIAS_BOUND_FOREGROUND_SERVICE
		&& js.getEffectivePriority() >= JobInfo.PRIORITY_DEFAULT)
		// Only exclude DEFAULT+ priority jobs for EXEMPTED apps
		\|\| (js.getStandbyBucket() == EXEMPTED_INDEX
		&& js.getEffectivePriority() >= JobInfo.PRIORITY_DEFAULT)
		\|\| hasEnoughSatisfiedConstraintsLocked(js)
		\|\| mService.isCurrentlyRunningLocked(js);
		}
		@@ -371,8 +383,16 @@ public final class FlexibilityController extends StateController {

		// Push the job update to the handler to avoid blocking other controllers and
		// potentially batch back-to-back controller state updates together.
		mHandler.obtainMessage(MSG_UPDATE_JOBS).sendToTarget();
		mHandler.obtainMessage(MSG_CHECK_ALL_JOBS).sendToTarget();
		}
		}
		}

		/** Called with a set of apps who have been added to or removed from the exempted bucket. */
		public void onExemptedBucketChanged(@NonNull ArraySet<JobStatus> changedJobs) {
		synchronized (mLock) {
		mJobsToCheck.addAll(changedJobs);
		mHandler.sendEmptyMessage(MSG_CHECK_JOBS);
		}
		}

		@@ -485,7 +505,9 @@ public final class FlexibilityController extends StateController {
		@Override
		@GuardedBy("mLock")
		public void onUidBiasChangedLocked(int uid, int prevBias, int newBias) {
		if (prevBias != JobInfo.BIAS_TOP_APP && newBias != JobInfo.BIAS_TOP_APP) {
		if (prevBias < JobInfo.BIAS_BOUND_FOREGROUND_SERVICE
		&& newBias < JobInfo.BIAS_BOUND_FOREGROUND_SERVICE) {
		// All changes are below BFGS. There's no significant change to care about.
		return;
		}
		final long nowElapsed = sElapsedRealtimeClock.millis();
		@@ -710,7 +732,8 @@ public final class FlexibilityController extends StateController {
		}
		mFlexibilityTracker.setNumDroppedFlexibleConstraints(js,
		js.getNumAppliedFlexibleConstraints());
		mHandler.obtainMessage(MSG_UPDATE_JOB, js).sendToTarget();
		mJobsToCheck.add(js);
		mHandler.sendEmptyMessage(MSG_CHECK_JOBS);
		return;
		}
		if (nextTimeElapsed == NO_LIFECYCLE_END) {
		@@ -761,10 +784,11 @@ public final class FlexibilityController extends StateController {
		@Override
		public void handleMessage(Message msg) {
		switch (msg.what) {
		case MSG_UPDATE_JOBS:
		removeMessages(MSG_UPDATE_JOBS);
		case MSG_CHECK_ALL_JOBS:
		removeMessages(MSG_CHECK_ALL_JOBS);

		synchronized (mLock) {
		mJobsToCheck.clear();
		final long nowElapsed = sElapsedRealtimeClock.millis();
		final ArraySet<JobStatus> changedJobs = new ArraySet<>();

		@@ -790,19 +814,25 @@ public final class FlexibilityController extends StateController {
		}
		break;

		case MSG_UPDATE_JOB:
		case MSG_CHECK_JOBS:
		synchronized (mLock) {
		final JobStatus js = (JobStatus) msg.obj;
		final long nowElapsed = sElapsedRealtimeClock.millis();
		ArraySet<JobStatus> changedJobs = new ArraySet<>();

		for (int i = mJobsToCheck.size() - 1; i >= 0; --i) {
		final JobStatus js = mJobsToCheck.valueAt(i);
		if (DEBUG) {
		Slog.d("blah", "Checking on " + js.toShortString());
		Slog.d(TAG, "Checking on " + js.toShortString());
		}
		final long nowElapsed = sElapsedRealtimeClock.millis();
		if (js.setFlexibilityConstraintSatisfied(
		nowElapsed, isFlexibilitySatisfiedLocked(js))) {
		// TODO(141645789): add method that will take a single job
		ArraySet<JobStatus> changedJob = new ArraySet<>();
		changedJob.add(js);
		mStateChangedListener.onControllerStateChanged(changedJob);
		changedJobs.add(js);
		}
		}

		mJobsToCheck.clear();
		if (changedJobs.size() > 0) {
		mStateChangedListener.onControllerStateChanged(changedJobs);
		}
		}
		break;
		@@ -985,7 +1015,10 @@ public final class FlexibilityController extends StateController {
		pw.println(":");
		pw.increaseIndent();

		pw.print(KEY_APPLIED_CONSTRAINTS, APPLIED_CONSTRAINTS).println();
		pw.print(KEY_APPLIED_CONSTRAINTS, APPLIED_CONSTRAINTS);
		pw.print("(");
		JobStatus.dumpConstraints(pw, APPLIED_CONSTRAINTS);
		pw.println(")");
		pw.print(KEY_DEADLINE_PROXIMITY_LIMIT, DEADLINE_PROXIMITY_LIMIT_MS).println();
		pw.print(KEY_FALLBACK_FLEXIBILITY_DEADLINE, FALLBACK_FLEXIBILITY_DEADLINE_MS).println();
		pw.print(KEY_MIN_TIME_BETWEEN_FLEXIBILITY_ALARMS_MS,

apex/jobscheduler/service/java/com/android/server/job/controllers/JobStatus.java

+1 −4

Original line number	Diff line number	Diff line
		@@ -106,11 +106,8 @@ public final class JobStatus {
		public static final long NO_LATEST_RUNTIME = Long.MAX_VALUE;
		public static final long NO_EARLIEST_RUNTIME = 0L;

		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public static final int CONSTRAINT_CHARGING = JobInfo.CONSTRAINT_FLAG_CHARGING; // 1 < 0
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public static final int CONSTRAINT_IDLE = JobInfo.CONSTRAINT_FLAG_DEVICE_IDLE; // 1 << 2
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public static final int CONSTRAINT_BATTERY_NOT_LOW =
		JobInfo.CONSTRAINT_FLAG_BATTERY_NOT_LOW; // 1 << 1
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		@@ -2194,7 +2191,7 @@ public final class JobStatus {
		* @return Whether or not this job would be ready to run if it had the specified constraint
		* granted, based on its requirements.
		*/
		boolean wouldBeReadyWithConstraint(int constraint) {
		public boolean wouldBeReadyWithConstraint(int constraint) {
		return readinessStatusWithConstraint(constraint, true);
		}

apex/jobscheduler/service/java/com/android/server/job/controllers/QuotaController.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -2511,6 +2511,7 @@ public final class QuotaController extends StateController {
		+ " to bucketIndex " + bucketIndex);
		}
		List<JobStatus> restrictedChanges = new ArrayList<>();
		ArraySet<JobStatus> exemptedChanges = new ArraySet<>();
		synchronized (mLock) {
		ShrinkableDebits debits = mEJStats.get(userId, packageName);
		if (debits != null) {
		@@ -2530,6 +2531,10 @@ public final class QuotaController extends StateController {
		&& bucketIndex != js.getStandbyBucket()) {
		restrictedChanges.add(js);
		}
		if ((bucketIndex == EXEMPTED_INDEX \|\| js.getStandbyBucket() == EXEMPTED_INDEX)
		&& bucketIndex != js.getStandbyBucket()) {
		exemptedChanges.add(js);
		}
		js.setStandbyBucket(bucketIndex);
		}
		Timer timer = mPkgTimers.get(userId, packageName);
		@@ -2544,6 +2549,9 @@ public final class QuotaController extends StateController {
		maybeUpdateConstraintForPkgLocked(
		sElapsedRealtimeClock.millis(), userId, packageName));
		}
		if (exemptedChanges.size() > 0) {
		mStateChangedListener.onExemptedBucketChanged(exemptedChanges);
		}
		if (restrictedChanges.size() > 0) {
		mStateChangedListener.onRestrictedBucketChanged(restrictedChanges);
		}