{
  "pipeline": {
    "ready": "yes", 
    "cmd": "echo --cpu_freq=$#cpu_freq#$ --gpu_freq=$#gpu_freq#$"
  }, 
  "choices_order": [
    [
      "n"
    ],
    [
      "##cpu_freq"
    ],
    [
      "##gpu_freq"
    ]
  ], 
  "choices_selection": [
    {"type":"loop", "choice":[1000,2000]},
    {"type":"loop", "choice":[100,200,300]},
    {"type":"loop", "choice":[10,20,30]}
  ], 
  "repetitions": 1, 
  "seed": 12345, 
  "iterations": -1,
  "sleep":0
}