apiVersion: tuned.openshift.io/v1
kind: Tuned
metadata:
  name: openshift-realtime
  namespace: openshift-cluster-node-tuning-operator
spec:
  profile:
  - data: |
      [main]
      summary=Custom OpenShift realtime profile
      include=openshift-node,realtime
      [variables]
      # isolated_cores take a list of ranges; e.g. isolated_cores=2,4-7
      isolated_cores=1
      #isolate_managed_irq=Y
      not_isolated_cores_expanded=${f:cpulist_invert:${isolated_cores_expanded}}
      [bootloader]
      cmdline_ocp_realtime=+systemd.cpu_affinity=${not_isolated_cores_expanded}
      [service]
      service.stalld=start,enable
    name: openshift-realtime

  recommend:
  - machineConfigLabels:
      machineconfiguration.openshift.io/role: "worker-rt"
    priority: 20
    profile: openshift-realtime