diff options
-rw-r--r-- | services/usage/java/com/android/server/usage/UserUsageStatsService.java | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/services/usage/java/com/android/server/usage/UserUsageStatsService.java b/services/usage/java/com/android/server/usage/UserUsageStatsService.java index 11c0e4abdb35..9fc1949183f8 100644 --- a/services/usage/java/com/android/server/usage/UserUsageStatsService.java +++ b/services/usage/java/com/android/server/usage/UserUsageStatsService.java @@ -136,17 +136,16 @@ class UserUsageStatsService { } // During system reboot, add a DEVICE_SHUTDOWN event to the end of event list, the timestamp - // is last time UsageStatsDatabase is persisted to disk. + // is last time UsageStatsDatabase is persisted to disk or the last event's time whichever + // is higher (because the file system timestamp is round down to integral seconds). // Also add a DEVICE_STARTUP event with current system timestamp. final IntervalStats currentDailyStats = mCurrentStats[INTERVAL_DAILY]; if (currentDailyStats != null) { - // File system timestamp only has precision of 1 second, add 1000ms to make up - // for the loss of round up. - final Event shutdownEvent = - new Event(DEVICE_SHUTDOWN, currentDailyStats.lastTimeSaved + 1000); + final Event shutdownEvent = new Event(DEVICE_SHUTDOWN, + Math.max(currentDailyStats.lastTimeSaved, currentDailyStats.endTime)); shutdownEvent.mPackage = Event.DEVICE_EVENT_PACKAGE_NAME; currentDailyStats.addEvent(shutdownEvent); - final Event startupEvent = new Event(DEVICE_STARTUP, currentTimeMillis); + final Event startupEvent = new Event(DEVICE_STARTUP, System.currentTimeMillis()); startupEvent.mPackage = Event.DEVICE_EVENT_PACKAGE_NAME; currentDailyStats.addEvent(startupEvent); } |