Merge "Add app-level timeout & ANR limits." into udc-dev (d2e06de8) · Commits · e / os / android_frameworks_base

apex/jobscheduler/framework/java/com/android/server/job/JobSchedulerInternal.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -59,6 +59,10 @@ public interface JobSchedulerInternal {
		*/
		void reportAppUsage(String packageName, int userId);

		/** @return {@code true} if the app is considered buggy from JobScheduler's perspective. */
		boolean isAppConsideredBuggy(int callingUserId, @NonNull String callingPackageName,
		int timeoutBlameUserId, @NonNull String timeoutBlamePackageName);

		/**
		* @return {@code true} if the given notification is associated with any user-initiated jobs.
		*/

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

+299 −18

File changed.

Preview size limit exceeded, changes collapsed.

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

+72 −3

Original line number	Diff line number	Diff line
		@@ -1088,13 +1088,77 @@ public final class JobStatus {
		return UserHandle.getUserId(callingUid);
		}

		private boolean shouldBlameSourceForTimeout() {
		// If the system scheduled the job on behalf of an app, assume the app is the one
		// doing the work and blame the app directly. This is the case with things like
		// syncs via SyncManager.
		// If the system didn't schedule the job on behalf of an app, then
		// blame the app doing the actual work. Proxied jobs are a little tricky.
		// Proxied jobs scheduled by built-in system apps like DownloadManager may be fine
		// and we could consider exempting those jobs. For example, in DownloadManager's
		// case, all it does is download files and the code is vetted. A timeout likely
		// means it's downloading a large file, which isn't an error. For now, DownloadManager
		// is an exempted app, so this shouldn't be an issue.
		// However, proxied jobs coming from other system apps (such as those that can
		// be updated separately from an OTA) may not be fine and we would want to apply
		// this policy to those jobs/apps.
		// TODO(284512488): consider exempting DownloadManager or other system apps
		return UserHandle.isCore(callingUid);
		}

		/**
		* Returns the package name that should most likely be blamed for the job timing out.
		*/
		public String getTimeoutBlamePackageName() {
		if (shouldBlameSourceForTimeout()) {
		return sourcePackageName;
		}
		return getServiceComponent().getPackageName();
		}

		/**
		* Returns the UID that should most likely be blamed for the job timing out.
		*/
		public int getTimeoutBlameUid() {
		if (shouldBlameSourceForTimeout()) {
		return sourceUid;
		}
		return callingUid;
		}

		/**
		* Returns the userId that should most likely be blamed for the job timing out.
		*/
		public int getTimeoutBlameUserId() {
		if (shouldBlameSourceForTimeout()) {
		return sourceUserId;
		}
		return UserHandle.getUserId(callingUid);
		}

		/**
		* Returns an appropriate standby bucket for the job, taking into account any standby
		* exemptions.
		*/
		public int getEffectiveStandbyBucket() {
		final JobSchedulerInternal jsi = LocalServices.getService(JobSchedulerInternal.class);
		final boolean isBuggy = jsi.isAppConsideredBuggy(
		getUserId(), getServiceComponent().getPackageName(),
		getTimeoutBlameUserId(), getTimeoutBlamePackageName());

		final int actualBucket = getStandbyBucket();
		if (actualBucket == EXEMPTED_INDEX) {
		// EXEMPTED apps always have their jobs exempted, even if they're buggy, because the
		// user has explicitly told the system to avoid restricting the app for power reasons.
		if (isBuggy) {
		final String pkg;
		if (getServiceComponent().getPackageName().equals(sourcePackageName)) {
		pkg = sourcePackageName;
		} else {
		pkg = getServiceComponent().getPackageName() + "/" + sourcePackageName;
		}
		Slog.w(TAG, "Exempted app " + pkg + " considered buggy");
		}
		return actualBucket;
		}
		if (uidActive \|\| getJob().isExemptedFromAppStandby()) {
		@@ -1102,13 +1166,18 @@ public final class JobStatus {
		// like other ACTIVE apps.
		return ACTIVE_INDEX;
		}
		// If the app is considered buggy, but hasn't yet been put in the RESTRICTED bucket
		// (potentially because it's used frequently by the user), limit its effective bucket
		// so that it doesn't get to run as much as a normal ACTIVE app.
		final int highestBucket = isBuggy ? WORKING_INDEX : ACTIVE_INDEX;
		if (actualBucket != RESTRICTED_INDEX && actualBucket != NEVER_INDEX
		&& mHasMediaBackupExemption) {
		// Cap it at WORKING_INDEX as media back up jobs are important to the user, and the
		// Treat it as if it's at least WORKING_INDEX since media backup jobs are important
		// to the user, and the
		// source package may not have been used directly in a while.
		return Math.min(WORKING_INDEX, actualBucket);
		return Math.max(highestBucket, Math.min(WORKING_INDEX, actualBucket));
		}
		return actualBucket;
		return Math.max(highestBucket, actualBucket);
		}

		/** Returns the real standby bucket of the job. */

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

+8 −0

Original line number	Diff line number	Diff line
		@@ -773,6 +773,14 @@ public final class QuotaController extends StateController {
		// If quota is currently "free", then the job can run for the full amount of time,
		// regardless of bucket (hence using charging instead of isQuotaFreeLocked()).
		if (mService.isBatteryCharging()
		// The top and foreground cases here were added because apps in those states
		// aren't really restricted and the work could be something the user is
		// waiting for. Now that user-initiated jobs are a defined concept, we may
		// not need these exemptions as much. However, UIJs are currently limited
		// (as of UDC) to data transfer work. There may be other work that could
		// rely on this exception. Once we add more UIJ types, we can re-evaluate
		// the need for these exceptions.
		// TODO: re-evaluate the need for these exceptions
		\|\| mTopAppCache.get(jobStatus.getSourceUid())
		\|\| isTopStartedJobLocked(jobStatus)
		\|\| isUidInForeground(jobStatus.getSourceUid())) {

apex/jobscheduler/service/java/com/android/server/usage/AppStandbyController.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -3025,7 +3025,7 @@ public class AppStandbyController
		public static final long DEFAULT_INITIAL_FOREGROUND_SERVICE_START_TIMEOUT =
		COMPRESS_TIME ? ONE_MINUTE : 30 * ONE_MINUTE;
		public static final long DEFAULT_AUTO_RESTRICTED_BUCKET_DELAY_MS =
		COMPRESS_TIME ? ONE_MINUTE : ONE_DAY;
		COMPRESS_TIME ? ONE_MINUTE : ONE_HOUR;
		public static final boolean DEFAULT_CROSS_PROFILE_APPS_SHARE_STANDBY_BUCKETS = true;
		public static final long DEFAULT_BROADCAST_RESPONSE_WINDOW_DURATION_MS =
		2 * ONE_MINUTE;