ambari/ambari-web/app/assets/data/cluster_metrics/cpu.json

{
  "Hosts" : {
    "cluster_name" : "tdk",
    "host_name" : "dev01.hortonworks.com"
  },
  "metrics" : {
    "cpu" : {
      "cpu_aidle" : 0.0,
      "cpu_idle" : 83.32,
      "cpu_nice" : 0.0,
      "cpu_num" : 1.0,
      "cpu_speed" : 2961.0,
      "cpu_system" : 4.48,
      "cpu_user" : 4.99333333333,
      "cpu_wio" : 7.11333333333
    }
  }
}