diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 7a9588d..7f0ebb4 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -86,6 +86,7 @@
         AppStartFullyDrawnChanged app_start_fully_drawn_changed = 50;
         LmkEventOccurred lmk_event_occurred = 51;
         PictureInPictureStateChanged picture_in_picture_state_changed = 52;
+        WifiMulticastLockStateChanged wifi_multicast_lock_state_changed = 53;
         // TODO: Reorder the numbering so that the most frequent occur events occur in the first 15.
     }
 
@@ -707,6 +708,22 @@
 }
 
 /**
+ * Logs wifi multicast locks held by an app
+ *
+ * Logged from:
+ *   frameworks/base/core/java/com/android/internal/os/BatteryStatsImpl.java
+ */
+message WifiMulticastLockStateChanged {
+    repeated AttributionNode attribution_node = 1;
+
+    enum State {
+        OFF = 0;
+        ON = 1;
+    }
+    optional State state = 2;
+}
+
+/**
  * Logs phone signal strength changes.
  *
  * Logged from:
@@ -1322,4 +1339,4 @@
     // for external input).
     // It is not affected by clock scaling, idle, or other power saving mechanisms.
     optional uint64 uptime_ms = 1;
-}
\ No newline at end of file
+}
diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index b1c45f7..039b66d 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -6947,6 +6947,8 @@
                             WIFI_MULTICAST_ENABLED, mBsi.mWifiMulticastTimers, mBsi.mOnBatteryTimeBase);
                 }
                 mWifiMulticastTimer.startRunningLocked(elapsedRealtimeMs);
+                StatsLog.write_non_chained(
+                        StatsLog.WIFI_MULTICAST_LOCK_STATE_CHANGED, getUid(), null, 1);
             }
         }
 
@@ -6955,6 +6957,8 @@
             if (mWifiMulticastEnabled) {
                 mWifiMulticastEnabled = false;
                 mWifiMulticastTimer.stopRunningLocked(elapsedRealtimeMs);
+                StatsLog.write_non_chained(
+                        StatsLog.WIFI_MULTICAST_LOCK_STATE_CHANGED, getUid(), null, 0);
             }
         }