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8.7.

8.7.1.
링크 복사

    1. $ oc label node <node_name> node-role.kubernetes.io/worker-dpdk=""
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    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: ""
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  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
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    참고

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

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

8.7.1.1.
링크 복사

  1. $ oc label node <node_name> node-role.kubernetes.io/worker-dpdk-
    Copy to Clipboard Toggle word wrap 

  2. $ oc delete mcp worker-dpdk
    Copy to Clipboard Toggle word wrap

8.7.2.
링크 복사

  1. $ oc create ns dpdk-checkup-ns
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  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
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    1
    2

8.7.3.
링크 복사

  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
# ...
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    1
    2
    3
    4
    5
    6
    7 

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

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