# File lib/new_relic/agent/stats.rb, line 80
      def record_data_point(value, exclusive_time = value)
        @call_count += 1
        @total_call_time += value
        @min_call_time = value if value < @min_call_time || @call_count == 1
        @max_call_time = value if value > @max_call_time
        @total_exclusive_time += exclusive_time

        @sum_of_squares += (value * value)
        self
      end