instrument

# File activesupport/lib/active_support/cache.rb, line 719
        def instrument(operation, key, options = nil)
          if logger && logger.debug? && !silence?
            logger.debug "Cache #{operation}: #{normalize_key(key, options)}#{options.blank? ? "" : " (#{options.inspect})"}"
          end

          payload = { key: key, store: self.class.name }
          payload.merge!(options) if options.is_a?(Hash)
          ActiveSupport::Notifications.instrument("cache_#{operation}.active_support", payload) { yield(payload) }
        end