9.3.3. 启动 RT-KVM 实例

openstack flavor create --ram 4096 --disk 20 --vcpus 4 <flavor-name>
openstack flavor set --property hw:cpu_policy=dedicated <flavor-name>
openstack flavor set --property hw:cpu_realtime=yes <flavor-name>
openstack flavor set --property hw:mem_page_size=1GB <flavor-name>
openstack flavor set --property hw:cpu_realtime_mask="^0-1" <flavor-name>
openstack flavor set --property hw:emulator_threads_policy=isolate <flavor-name>

# openstack flavor create --ram 4096 --disk 20 --vcpus 4 <flavor-name>
# openstack flavor set --property hw:cpu_policy=dedicated <flavor-name>
# openstack flavor set --property hw:cpu_realtime=yes <flavor-name>
# openstack flavor set --property hw:mem_page_size=1GB <flavor-name>
# openstack flavor set --property hw:cpu_realtime_mask="^0-1" <flavor-name>
# openstack flavor set --property hw:emulator_threads_policy=isolate <flavor-name>

openstack server create  --image <rhel> --flavor <flavor-name> --nic net-id=<dpdk-net> test-rt

# openstack server create  --image <rhel> --flavor <flavor-name> --nic net-id=<dpdk-net> test-rt

virsh dumpxml <instance-id> | grep vcpu -A1
<vcpu placement='static'>4</vcpu>
<cputune>
  <vcpupin vcpu='0' cpuset='1'/>
  <vcpupin vcpu='1' cpuset='3'/>
  <vcpupin vcpu='2' cpuset='5'/>
  <vcpupin vcpu='3' cpuset='7'/>
  <emulatorpin cpuset='0-1'/>
  <vcpusched vcpus='2-3' scheduler='fifo'
  priority='1'/>
</cputune>

# virsh dumpxml <instance-id> | grep vcpu -A1
<vcpu placement='static'>4</vcpu>
<cputune>
  <vcpupin vcpu='0' cpuset='1'/>
  <vcpupin vcpu='1' cpuset='3'/>
  <vcpupin vcpu='2' cpuset='5'/>
  <vcpupin vcpu='3' cpuset='7'/>
  <emulatorpin cpuset='0-1'/>
  <vcpusched vcpus='2-3' scheduler='fifo'
  priority='1'/>
</cputune>