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Commit 6d1be638 authored by Kweku Adams's avatar Kweku Adams
Browse files

Dump cancelled jobs for testing. 

Track and dump recently cancelled jobs if debugging is turned on. This
would help debug tests where the job didn't run.

Bug: 141495777
Test: run `adb shell dumpsys jobscheduler` with VERBOSE logging turned on and off
Change-Id: Ib0167a29a80042a4a22485a6e2e8daf547c37143
parent 5c7fc70e

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

+52 −0
Original line number Diff line number Diff line
@@ -310,10 +310,24 @@ public class JobSchedulerService extends com.android.server.SystemService 
     */

    boolean mReportedActive;



    /**

     * Track the most recently completed jobs (that had been executing and were stopped for any

     * reason, including successful completion).

     */

    private int mLastCompletedJobIndex = 0;

    private final JobStatus[] mLastCompletedJobs = new JobStatus[NUM_COMPLETED_JOB_HISTORY];

    private final long[] mLastCompletedJobTimeElapsed = new long[NUM_COMPLETED_JOB_HISTORY];



    /**

     * Track the most recently cancelled jobs (that had internal reason

     * {@link JobParameters#INTERNAL_STOP_REASON_CANCELED}.

     */

    private int mLastCancelledJobIndex = 0;

    private final JobStatus[] mLastCancelledJobs =

            new JobStatus[DEBUG ? NUM_COMPLETED_JOB_HISTORY : 0];

    private final long[] mLastCancelledJobTimeElapsed =

            new long[DEBUG ? NUM_COMPLETED_JOB_HISTORY : 0];



    /**

     * A mapping of which uids are currently in the foreground to their effective bias.

     */
@@ -1398,6 +1412,12 @@ public class JobSchedulerService extends com.android.server.SystemService 
            startTrackingJobLocked(incomingJob, cancelled);

        }

        reportActiveLocked();

        if (mLastCancelledJobs.length > 0

                && internalReasonCode == JobParameters.INTERNAL_STOP_REASON_CANCELED) {

            mLastCancelledJobs[mLastCancelledJobIndex] = cancelled;

            mLastCancelledJobTimeElapsed[mLastCancelledJobIndex] = sElapsedRealtimeClock.millis();

            mLastCancelledJobIndex = (mLastCancelledJobIndex + 1) % mLastCancelledJobs.length;

        }

    }



    void updateUidState(int uid, int procState) {
@@ -3848,6 +3868,38 @@ public class JobSchedulerService extends com.android.server.SystemService 
            pw.decreaseIndent();

            pw.println();



            boolean recentCancellationsPrinted = false;

            for (int r = 1; r <= mLastCancelledJobs.length; ++r) {

                // Print most recent first

                final int idx = (mLastCancelledJobIndex + mLastCancelledJobs.length - r)

                        % mLastCancelledJobs.length;

                job = mLastCancelledJobs[idx];

                if (job != null) {

                    if (!predicate.test(job)) {

                        continue;

                    }

                    if (!recentCancellationsPrinted) {

                        pw.println();

                        pw.println("Recently cancelled jobs:");

                        pw.increaseIndent();

                        recentCancellationsPrinted = true;

                    }

                    TimeUtils.formatDuration(mLastCancelledJobTimeElapsed[idx], nowElapsed, pw);

                    pw.println();

                    // Double indent for readability

                    pw.increaseIndent();

                    pw.increaseIndent();

                    pw.println(job.toShortString());

                    job.dump(pw, true, nowElapsed);

                    pw.decreaseIndent();

                    pw.decreaseIndent();

                }

            }

            if (!recentCancellationsPrinted) {

                pw.decreaseIndent();

                pw.println();

            }



            if (filterUid == -1) {

                pw.println();

                pw.print("mReadyToRock="); pw.println(mReadyToRock);