new

# File activesupport/lib/active_support/notifications/instrumenter.rb, line 110
      def initialize(name, start, ending, transaction_id, payload)
        @name           = name
        @payload        = payload.dup
        @time           = start ? start.to_f * 1_000.0 : start
        @transaction_id = transaction_id
        @end            = ending ? ending.to_f * 1_000.0 : ending
        @cpu_time_start = 0.0
        @cpu_time_finish = 0.0
        @allocation_count_start = 0
        @allocation_count_finish = 0
      end