Merge "Dump most recently completed jobs." into sc-dev (051c3ff0) · Commits · e / os / android_frameworks_base

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

+41 −0

Original line number	Diff line number	Diff line
		@@ -151,6 +151,8 @@ public class JobSchedulerService extends com.android.server.SystemService
		private static final boolean ENFORCE_MAX_JOBS = true;
		/** The maximum number of jobs that we allow an unprivileged app to schedule */
		private static final int MAX_JOBS_PER_APP = 100;
		/** The number of the most recently completed jobs to keep track of for debugging purposes. */
		private static final int NUM_COMPLETED_JOB_HISTORY = 20;

		@VisibleForTesting
		public static Clock sSystemClock = Clock.systemUTC();
		@@ -297,6 +299,10 @@ public class JobSchedulerService extends com.android.server.SystemService
		*/
		boolean mReportedActive;

		private int mLastCompletedJobIndex = 0;
		private final JobStatus[] mLastCompletedJobs = new JobStatus[NUM_COMPLETED_JOB_HISTORY];
		private final long[] mLastCompletedJobTimeElapsed = new long[NUM_COMPLETED_JOB_HISTORY];

		/**
		* A mapping of which uids are currently in the foreground to their effective priority.
		*/
		@@ -1752,6 +1758,10 @@ public class JobSchedulerService extends com.android.server.SystemService
		Slog.d(TAG, "Completed " + jobStatus + ", reschedule=" + needsReschedule);
		}

		mLastCompletedJobs[mLastCompletedJobIndex] = jobStatus;
		mLastCompletedJobTimeElapsed[mLastCompletedJobIndex] = sElapsedRealtimeClock.millis();
		mLastCompletedJobIndex = (mLastCompletedJobIndex + 1) % NUM_COMPLETED_JOB_HISTORY;

		// Intentionally not checking expedited job quota here. An app can't find out if it's run
		// out of quota when it asks JS to reschedule an expedited job. Instead, the rescheduled
		// EJ will just be demoted to a regular job if the app has no EJ quota left.
		@@ -3298,6 +3308,37 @@ public class JobSchedulerService extends com.android.server.SystemService
		}
		}
		pw.decreaseIndent();

		pw.println();
		boolean recentPrinted = false;
		pw.println("Recently completed jobs:");
		pw.increaseIndent();
		for (int r = 1; r <= NUM_COMPLETED_JOB_HISTORY; ++r) {
		// Print most recent first
		final int idx = (mLastCompletedJobIndex + NUM_COMPLETED_JOB_HISTORY - r)
		% NUM_COMPLETED_JOB_HISTORY;
		final JobStatus job = mLastCompletedJobs[idx];
		if (job != null) {
		if (!predicate.test(job)) {
		continue;
		}
		recentPrinted = true;
		TimeUtils.formatDuration(mLastCompletedJobTimeElapsed[idx], nowElapsed, pw);
		pw.println();
		// Double indent for readability
		pw.increaseIndent();
		pw.increaseIndent();
		job.dump(pw, true, nowElapsed);
		pw.decreaseIndent();
		pw.decreaseIndent();
		}
		}
		if (!recentPrinted) {
		pw.println("None");
		}
		pw.decreaseIndent();
		pw.println();

		if (filterUid == -1) {
		pw.println();
		pw.print("mReadyToRock="); pw.println(mReadyToRock);