gistfile1.txt

class Metrics
  extend ::NewRelic::Agent::MethodTracer

  class << self
    def trace_execution(*metric_names, &block)
      Benchmark.realtime do
        self.trace_execution_scoped(metric_names.map { |name| prepend_custom_tag(name) }, &block)
      end
    end

    def record_metric(metric_name, value = 1)
      NewRelic::Agent.record_metric(prepend_custom_tag(metric_name), value)
    end

    def increment_metric(metric_name, amount = 1)
      NewRelic::Agent.increment_metric(prepend_custom_tag(metric_name), amount)
    end

    private

    def prepend_custom_tag(metric_name)
      "Custom/#{metric_name}"
    end
  end
end