Merge "Add additonal logging around user switching in KeyguardUpdateMonitor" into udc-qpr-dev

packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java

@@ -3563,6 +3563,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
      */
     @VisibleForTesting
     void handleUserSwitching(int userId, CountDownLatch latch) {
+        mLogger.logUserSwitching(userId, "from UserTracker");
         Assert.isMainThread();
         clearBiometricRecognized();
         boolean trustUsuallyManaged = mTrustManager.isTrustUsuallyManaged(userId);
@@ -3583,6 +3584,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
      */
     @VisibleForTesting
     void handleUserSwitchComplete(int userId) {
+        mLogger.logUserSwitchComplete(userId, "from UserTracker");
         Assert.isMainThread();
         for (int i = 0; i < mCallbacks.size(); i++) {
             KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get();
@@ -4036,6 +4038,11 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
 
     @AnyThread
     public void setSwitchingUser(boolean switching) {
+        if (switching) {
+            mLogger.logUserSwitching(getCurrentUser(), "from setSwitchingUser");
+        } else {
+            mLogger.logUserSwitchComplete(getCurrentUser(), "from setSwitchingUser");
+        }
         mSwitchingUser = switching;
         // Since this comes in on a binder thread, we need to post it first
         mHandler.post(() -> updateBiometricListeningState(BIOMETRIC_ACTION_UPDATE,

packages/SystemUI/src/com/android/keyguard/logging/KeyguardUpdateMonitorLogger.kt

@@ -602,10 +602,10 @@ constructor(@KeyguardUpdateMonitorLog private val logBuffer: LogBuffer) {
 
     fun allowFingerprintOnCurrentOccludingActivityChanged(allow: Boolean) {
         logBuffer.log(
-                TAG,
-                VERBOSE,
-                { bool1 = allow },
-                { "allowFingerprintOnCurrentOccludingActivityChanged: $bool1" }
+            TAG,
+            VERBOSE,
+            { bool1 = allow },
+            { "allowFingerprintOnCurrentOccludingActivityChanged: $bool1" }
         )
     }
 
@@ -727,4 +727,28 @@ constructor(@KeyguardUpdateMonitorLog private val logBuffer: LogBuffer) {
             { "notifying about enrollments changed: $str1" }
         )
     }
+
+    fun logUserSwitching(userId: Int, context: String) {
+        logBuffer.log(
+            TAG,
+            DEBUG,
+            {
+                int1 = userId
+                str1 = context
+            },
+            { "userCurrentlySwitching: $str1, userId: $int1" }
+        )
+    }
+
+    fun logUserSwitchComplete(userId: Int, context: String) {
+        logBuffer.log(
+            TAG,
+            DEBUG,
+            {
+                int1 = userId
+                str1 = context
+            },
+            { "userSwitchComplete: $str1, userId: $int1" }
+        )
+    }
 }