Contents

# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.

# summarizes performance data for all calls to segments
# with the same metric_name
module NewRelic
  module Rack
    class DeveloperMode
      class SegmentSummary
        attr_accessor :metric_name, :total_time, :exclusive_time, :call_count, :current_nest_count

        def initialize(metric_name, sample)
          @metric_name = metric_name
          @total_time, @exclusive_time, @call_count = 0,0,0
          @sample = sample
          @current_nest_count = 0
        end

        def <<(segment)
          if metric_name != segment.metric_name
            raise ArgumentError, "Metric Name Mismatch: #{segment.metric_name} != #{metric_name}"
          end

          # a nested segment should use the sum of the top level totals
          @total_time += segment.duration if current_nest_count == 0
          @exclusive_time += segment.exclusive_duration
          @call_count += 1
        end

        def average_time
          @total_time / @call_count
        end

        def average_exclusive_time
          @exclusive_time / @call_count
        end

        def exclusive_time_percentage
          return 0 unless @exclusive_time && @sample.duration && @sample.duration > 0
          @exclusive_time / @sample.duration
        end

        def total_time_percentage
          return 0 unless @total_time && @sample.duration && @sample.duration > 0
          @total_time / @sample.duration
        end

        def ui_name
          return @metric_name if @metric_name == 'Remainder'
          NewRelic::MetricParser::MetricParser.parse(@metric_name).developer_name
        end
      end
    end
  end
end

Version data entries

23 entries across 23 versions & 2 rubygems

Version	Path
newrelic_rpm-3.13.0.299	lib/new_relic/rack/developer_mode/segment_summary.rb
newrelic_rpm-3.12.1.298	lib/new_relic/rack/developer_mode/segment_summary.rb
newrelic_rpm-3.12.0.288	lib/new_relic/rack/developer_mode/segment_summary.rb