class Airbrake::PerformanceNotifier

def update_total(resource, total)
  if resource.timing
    total.increment_ms(resource.timing)
  else
    loc = caller_locations(6..6).first
    Kernel.warn(
      "#{loc.path}:#{loc.lineno}: warning: :start_time and :end_time are " \
      "deprecated. Use :timing & :time instead",
    )
    total.increment(resource.start_time, resource.end_time)
  end
end