Benchmark lograge.

benchmark.rb

require 'benchmark/ips'

class FakeEvent
  attr_reader :payload, :duration

  def initialize
    @payload = {
      path: '',
      params: {
        'controller'  => 'foo',
        'action'      => 'bar'
      }
    }
    @duration = 0.0
  end
end

class FakeLogger
  def self.info(*)
  end

  def self.presence(*)
    self
  end
end

require 'action_pack'
require 'lograge'

Lograge.logger = FakeLogger
Lograge.formatter = Lograge::Formatters::KeyValue.new
subscriber = Lograge::RequestLogSubscriber.new
event = FakeEvent.new

# warm up
subscriber.process_action(event)

ips = 5.times.map do
  # benchmark!
  ips = Benchmark.ips do |x|
    x.report 'process_action' do
      subscriber.process_action(event)
    end
  end.entries.map(&:ips).min
end.min

puts "Result: #{ips}"