8.6.


8.6.1.

  1. $ oc label node <node_name> node-role.kubernetes.io/worker-dpdk=""
  2. apiVersion: machineconfiguration.openshift.io/v1
    kind: MachineConfigPool
    metadata:
      name: worker-dpdk
      labels:
        machineconfiguration.openshift.io/role: worker-dpdk
    spec:
      machineConfigSelector:
        matchExpressions:
          - key: machineconfiguration.openshift.io/role
            operator: In
            values:
              - worker
              - worker-dpdk
      nodeSelector:
        matchLabels:
          node-role.kubernetes.io/worker-dpdk: ""

  3. apiVersion: performance.openshift.io/v2
    kind: PerformanceProfile
    metadata:
      name: profile-1
    spec:
      cpu:
        isolated: 4-39,44-79
        reserved: 0-3,40-43
      globallyDisableIrqLoadBalancing: true
      hugepages:
        defaultHugepagesSize: 1G
        pages:
        - count: 8
          node: 0
          size: 1G
      net:
        userLevelNetworking: true
      nodeSelector:
        node-role.kubernetes.io/worker-dpdk: ""
      numa:
        topologyPolicy: single-numa-node

    참고

  4. $ oc get performanceprofiles.performance.openshift.io profile-1 -o=jsonpath='{.status.runtimeClass}{"\n"}'
  5. $ oc patch hyperconverged kubevirt-hyperconverged -n openshift-cnv \
        --type='json' -p='[{"op": "add", "path": "/spec/defaultRuntimeClass", "value":"<runtimeclass-name>"}]'
    참고

  6. $ oc patch hyperconverged kubevirt-hyperconverged -n openshift-cnv \
        --type='json' -p='[{"op": "replace", "path": "/spec/featureGates/alignCPUs", "value": true}]'
    참고

  7. apiVersion: sriovnetwork.openshift.io/v1
    kind: SriovNetworkNodePolicy
    metadata:
      name: policy-1
      namespace: openshift-sriov-network-operator
    spec:
      resourceName: intel_nics_dpdk
      deviceType: vfio-pci
      mtu: 9000
      numVfs: 4
      priority: 99
      nicSelector:
        vendor: "8086"
        deviceID: "1572"
        pfNames:
          - eno3
        rootDevices:
          - "0000:19:00.2"
      nodeSelector:
        feature.node.kubernetes.io/network-sriov.capable: "true"

8.6.2.

  1. $ oc create ns dpdk-checkup-ns
  2. apiVersion: sriovnetwork.openshift.io/v1
    kind: SriovNetwork
    metadata:
      name: dpdk-sriovnetwork
      namespace: openshift-sriov-network-operator
    spec:
      ipam: |
        {
          "type": "host-local",
          "subnet": "10.56.217.0/24",
          "rangeStart": "10.56.217.171",
          "rangeEnd": "10.56.217.181",
          "routes": [{
            "dst": "0.0.0.0/0"
          }],
          "gateway": "10.56.217.1"
        }
      networkNamespace: dpdk-checkup-ns 1
      resourceName: intel_nics_dpdk 2
      spoofChk: "off"
      trust: "on"
      vlan: 1019

    1
    2

8.6.3.

  1. apiVersion: kubevirt.io/v1
    kind: VirtualMachine
    metadata:
      name: rhel-dpdk-vm
    spec:
      running: true
      template:
        metadata:
          annotations:
            cpu-load-balancing.crio.io: disable 1
            cpu-quota.crio.io: disable 2
            irq-load-balancing.crio.io: disable 3
        spec:
          domain:
            cpu:
              sockets: 1 4
              cores: 5 5
              threads: 2
              dedicatedCpuPlacement: true
              isolateEmulatorThread: true
            interfaces:
              - masquerade: {}
                name: default
              - model: virtio
                name: nic-east
                pciAddress: '0000:07:00.0'
                sriov: {}
              networkInterfaceMultiqueue: true
              rng: {}
          memory:
            hugepages:
              pageSize: 1Gi 6
              guest: 8Gi
          networks:
            - name: default
              pod: {}
            - multus:
                networkName: dpdk-net 7
              name: nic-east
    # ...

    1
    2
    3
    4
    5
    6
    7
  2. $ oc apply -f <file_name>.yaml
    1. $ grubby --update-kernel=ALL --args="default_hugepagesz=1GB hugepagesz=1G hugepages=8"
    2. $ dnf install -y tuned-profiles-cpu-partitioning
      $ echo isolated_cores=2-9 > /etc/tuned/cpu-partitioning-variables.conf

      $ tuned-adm profile cpu-partitioning
    3. $ dnf install -y driverctl
      $ driverctl set-override 0000:07:00.0 vfio-pci
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