# File lib/vmstat/solaris.rb, line 4
      def cpu
        kstat = `kstat -p "cpu_stat:::/idle|kernel|user/"`
        cpus = Hash.new { |h, k| h[k] = Hash.new }

        kstat.lines.each do |line|
          _, cpu, _, key, value = line.strip.split(/:|\s+/)
          cpus[cpu.to_i][key] = value
        end

        cpus.map do |num, v|
          Cpu.new(num, v["user"].to_i, v["kernel"].to_i, 0, v["idle"].to_i)
        end
      end