code: function (mapping) {
            var result = {}
            for (var property in mapping) {
              result[property] = parseInt(lines[mapping[property]].replace(/\s+/, ' ').split(' ')[0], 10)
            }
            return result
          }
docs: /* var cpuMapping = {
  user: 10,
  nice: 11,
  sys: 12,
  idle: 13,
  wait: 14,
  irq: 15,
  softirq: 16,
  stolen: 17
  }