Work on issue #17477510: Time change notifications sent too often
Record the number of time change events seen by the alarm manager.
Change-Id: I154e7e068626c71f76ee7b26f3e38a885025e0fa
diff --git a/services/core/java/com/android/server/AlarmManagerService.java b/services/core/java/com/android/server/AlarmManagerService.java
index e9419ad..8d3ec31 100644
--- a/services/core/java/com/android/server/AlarmManagerService.java
+++ b/services/core/java/com/android/server/AlarmManagerService.java
@@ -127,6 +127,7 @@
long mLastAlarmDeliveryTime;
long mStartCurrentDelayTime;
long mNextNonWakeupDeliveryTime;
+ int mNumTimeChanged;
private final SparseArray<AlarmManager.AlarmClockInfo> mNextAlarmClockForUser =
new SparseArray<>();
@@ -821,6 +822,7 @@
pw.print(" = "); pw.println(sdf.format(new Date(nextNonWakeupRTC)));
pw.print("Next wakeup: "); TimeUtils.formatDuration(mNextWakeup, nowELAPSED, pw);
pw.print(" = "); pw.println(sdf.format(new Date(nextWakeupRTC)));
+ pw.print("Num time change events: "); pw.println(mNumTimeChanged);
if (mAlarmBatches.size() > 0) {
pw.println();
@@ -1619,6 +1621,9 @@
removeImpl(mTimeTickSender);
rebatchAllAlarms();
mClockReceiver.scheduleTimeTickEvent();
+ synchronized (mLock) {
+ mNumTimeChanged++;
+ }
Intent intent = new Intent(Intent.ACTION_TIME_CHANGED);
intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING
| Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);