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Commit e4c818f4 authored by Michael Wachenschwanz's avatar Michael Wachenschwanz
Browse files

Log Wtf when UsageStats missing over a day of events 

Bug: 110930764
Test: manual (hardcode future time in printLast24HrEvents)
Change-Id: Ia254f7512bfa549966dda3674140772504dbbffd
parent f52474bc

services/usage/java/com/android/server/usage/UserUsageStatsService.java

+35 −0
Original line number Diff line number Diff line
@@ -64,6 +64,9 @@ class UserUsageStatsService { 
    private String mLastBackgroundedPackage;

    private final int mUserId;



    // STOPSHIP: Temporary member variable for debugging b/110930764.

    private UsageEvents.Event mLastEvent;



    private static final long[] INTERVAL_LENGTH = new long[] {

            UnixCalendar.DAY_IN_MILLIS, UnixCalendar.WEEK_IN_MILLIS,

            UnixCalendar.MONTH_IN_MILLIS, UnixCalendar.YEAR_IN_MILLIS
@@ -156,6 +159,8 @@ class UserUsageStatsService { 
                    + eventToString(event.mEventType));

        }



        mLastEvent = new UsageEvents.Event(event);



        if (event.mTimeStamp >= mDailyExpiryDate.getTimeInMillis()) {

            // Need to rollover

            rolloverStats(event.mTimeStamp);
@@ -306,6 +311,36 @@ class UserUsageStatsService { 
                Slog.d(TAG, mLogPrefix + "Requesting stats after " + beginTime + " but latest is "

                        + currentStats.endTime);

            }



            // STOPSHIP: Temporary logging for b/110930764.

            if (intervalType == UsageStatsManager.INTERVAL_DAILY

                    && mLastEvent.mTimeStamp >= beginTime) {

                final IntervalStats diskStats = mDatabase.getLatestUsageStats(

                        UsageStatsManager.INTERVAL_DAILY);

                StringBuilder sb = new StringBuilder(256);

                sb.append("Last 24 hours of UsageStats missing! timeRange : ");

                sb.append(beginTime);

                sb.append(", ");

                sb.append(endTime);

                sb.append("\nLast reported Usage Event time : ");

                sb.append(mLastEvent.mTimeStamp);

                if (currentStats == null) {

                    sb.append("\nNo in memory event stats available.");

                } else {

                    sb.append("\nLast in memory event time : ");

                    sb.append(currentStats.endTime);

                    sb.append("\nLast save time: ");

                    sb.append(currentStats.lastTimeSaved);

                }

                if (diskStats == null) {

                    sb.append("\nNo on disk event stats available.");

                } else {

                    sb.append("\nLast on disk event time : ");

                    sb.append(diskStats.endTime);

                }

                Slog.wtf(TAG, sb.toString());

            }



            // Nothing newer available.

            return null;

        }