log_call

# File activesupport/lib/active_support/dependencies.rb, line 685
      def log_call(*args)
        if log_activity?
          arg_str = args.collect { |arg| arg.inspect } * ', '
          /in `([a-z_\?\!]+)'/ =~ caller(1).first
          selector = $1 || '<unknown>'
          log "called #{selector}(#{arg_str})"
        end
      end