# virsh vcpuinfo vm1


# virsh numatune vm1


# numactl --hardware


# virsh shutdown vm1
# virsh edit vm1


<domain type='kvm'>
....
  <vcpu placement='static' cpuset='0-9'>4U
  </vcpu>
  <numatune>
    <memory nodeset='0'/>
  </numatune>
...


# virsh start vm1


# virsh shutdown vm1
# virsh edit vm1
...
<memory U
 mode= 'strict' U
 nodeset= '7'/>
......
# virsh start vm1


# virsh edit vm1
...
<currentMemory unit='KiB'>36700160U
</currentMemory>
 <vcpu placement='static' cpuset='0-9'>4U
 </vcpu>
 <numatune>
    <memory mode='preferred' nodeset='0'/>
 </numatune>
......  MI
.........


  <numatune>
    <memory mode='interleave' nodeset='0-2'/>
  </numatune>


# yum install -y numad
# numad -d
# tail -f /var/log/numad.log | grep Advising


# grep placement /etc/libvirt/qemu/vm1.xml
<vcpu placement='auto'>4</vcpu>
  <memory mode='strict' placement='auto'/>


# virsh start vm1
# tail -f /var/log/numad.log | grep Advising
...

Advising pid -1 (unknown) move from nodes () to nodes (1-3)
Advising pid 13801 (qemu-kvm) move from nodes (1-3) to nodes (3)


# ssh vm1 /usr/kits/memtester/memtester 28G 1
...

Advising pid 13801 (qemu-kvm) move from nodes (3) to nodes (2-3)


# grep cpu /etc/libvirt/qemu/vm[12].xml


# ssh vm1 numactl -H