Increase max metrics duration deviation to 2 hours
A lot of WTF logs reported were barely 1 second over the 1 hour
limit. AlarmManager has a maximum window of 1 hour so these cases
are possible and expected.
Increase the max metrics duration deviation to 2 hours to avoid
this log.
Bug: 297292877
Test: Manual test
Change-Id: I9a476e8061944c6499fe1b1d6e9ad1e19e6ce2b9
diff --git a/service/src/com/android/server/connectivity/KeepaliveStatsTracker.java b/service/src/com/android/server/connectivity/KeepaliveStatsTracker.java
index 7a8b41b..48af9fa 100644
--- a/service/src/com/android/server/connectivity/KeepaliveStatsTracker.java
+++ b/service/src/com/android/server/connectivity/KeepaliveStatsTracker.java
@@ -74,9 +74,10 @@
public class KeepaliveStatsTracker {
private static final String TAG = KeepaliveStatsTracker.class.getSimpleName();
private static final int INVALID_KEEPALIVE_ID = -1;
- // 1 hour acceptable deviation in metrics collection duration time.
+ // 2 hour acceptable deviation in metrics collection duration time to account for the 1 hour
+ // window of AlarmManager.
private static final long MAX_EXPECTED_DURATION_MS =
- AutomaticOnOffKeepaliveTracker.METRICS_COLLECTION_DURATION_MS + 1 * 60 * 60 * 1_000L;
+ AutomaticOnOffKeepaliveTracker.METRICS_COLLECTION_DURATION_MS + 2 * 60 * 60 * 1_000L;
@NonNull private final Handler mConnectivityServiceHandler;
@NonNull private final Dependencies mDependencies;
diff --git a/tests/unit/java/com/android/server/connectivity/KeepaliveStatsTrackerTest.java b/tests/unit/java/com/android/server/connectivity/KeepaliveStatsTrackerTest.java
index 1b964e2..294dacb 100644
--- a/tests/unit/java/com/android/server/connectivity/KeepaliveStatsTrackerTest.java
+++ b/tests/unit/java/com/android/server/connectivity/KeepaliveStatsTrackerTest.java
@@ -1297,8 +1297,8 @@
assertTrue(mKeepaliveStatsTracker.allMetricsExpected(dailyKeepaliveInfoReported));
- // Write time after 26 hours.
- final int writeTime2 = 26 * 60 * 60 * 1000;
+ // Write time after 27 hours.
+ final int writeTime2 = 27 * 60 * 60 * 1000;
setElapsedRealtime(writeTime2);
visibleOnHandlerThread(mTestHandler, () -> mKeepaliveStatsTracker.writeAndResetMetrics());