# File lib/new_relic/agent/busy_calculator.rb, line 27
      def dispatcher_start(time) #THREAD_LOCAL_ACCESS
        state = TransactionState.tl_get
        state.busy_entries ||= 0
        callers = state.busy_entries += 1
        return if callers > 1
        @lock.synchronize do
          @entrypoint_stack.push time
        end
      end