{
  "schemaVersion": 6,
  "nav": [
    {
      "enable": true,
      "type": "timepicker",
      "status": "Stable",
      "time_options": ["5m", "15m", "1h", "6h", "12h", "24h", "2d", "7d", "30d"],
      "refresh_intervals": ["5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "2h", "1d"],
      "now": true,
      "collapse": false,
      "notice": false
    }
  ],
  "panels": [
    {
      "targets": [
        {"expr": "up"},
        {"expr": "cpu_usage", "refId": "B"}
      ]
    }
  ]
}