.Dd October 4, 2018 .Dt proactiveeventtrackerd 8 .Os .Sh NAME .Nm proactiveeventtrackerd .Nd a process triggered by a daily XPC activity to transform and upload metrics stored in the aggregate state file .Sh DESCRIPTION .Nm The ProactiveEventTracker is a framework used by Proactive Siri to efficiently log aggregated counters and metrics into a memory mapped file. proactiveeventtrackerd is a process triggered by a low-priority daily XPC activity to transform the data structures stored in the file into protobuf messages, and uploading these messages for diagnostics and analytics