# File src/ruby_supportlib/phusion_passenger/vendor/union_station_hooks_rails/lib/union_station_hooks_rails/active_support_cache_subscriber.rb, line 47
    def cache_generate(event)
      reporter = Thread.current[:union_station_hooks]
      return if !reporter

      UnionStationHooks.call_event_pre_hook(event)
      reporter.log_cache_miss(event.payload[:key],
        (event.duration * 1_000_000).to_i)
    end