# File lib/ruby-prof/method_info.rb, line 81
    def aggregate_parents
      # Group call info's based on their parents
      groups = self.call_infos.inject(Hash.new) do |hash, call_info|
        key = call_info.parent ? call_info.parent.target : self
        (hash[key] ||= []) << call_info
        hash
      end

      groups.map do |key, value|
        AggregateCallInfo.new(value)
      end
    end