Hi All,

How to check if 'Per-node memory binding' is supported in this libvirt version?

PS:

I have the #virsh version:

Compiled against library: libvirt 1.2.9

Using library: libvirt 1.2.9

Using API: QEMU 1.2.9

Running hypervisor: QEMU 2.0.0

on host

# uname -a

Linux nfv 3.13.0-40-generic #69-Ubuntu SMP Thu Nov 13 17:53:56 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

# lsb_release -a

No LSB modules are available.

Distributor ID: Ubuntu

Description: Ubuntu 14.04.1 LTS

Release: 14.04

Codename: trusty

#virsh start SomeOSOS-30-5-0-0_rls_743

error: Failed to start domain AlteonOS-30-5-0-0_rls_743

error: unsupported configuration: Per-node memory binding is not supported with this QEMU

#virsh dumpxml SomeOSOS-30-5-0-0_rls_743

<domain type='kvm'>

<name>SomeOSOS-30-5-0-0_rls_743</name>

<uuid>c0eac6f0-e519-459d-978d-bd5b2da0be45</uuid>

<memory unit='KiB'>33554432</memory>

<currentMemory unit='KiB'>33554432</currentMemory>

<vcpu placement='static'>8</vcpu>

<cputune>

<vcpupin vcpu='0' cpuset='0'/>

<vcpupin vcpu='1' cpuset='2'/>

<vcpupin vcpu='2' cpuset='4'/>

<vcpupin vcpu='3' cpuset='6'/>

<vcpupin vcpu='4' cpuset='1'/>

<vcpupin vcpu='5' cpuset='3'/>

<vcpupin vcpu='6' cpuset='5'/>

<vcpupin vcpu='7' cpuset='7'/>

</cputune>

<numatune>

<memory mode='strict' nodeset='0-1'/>

<memnode cellid='0' mode='strict' nodeset='0'/>

<memnode cellid='1' mode='strict' nodeset='1'/>

</numatune>

<os>

<type arch='x86_64' machine='pc-i440fx-trusty'>hvm</type>

<boot dev='hd'/>

</os>

<features>

<acpi/>

<apic/>

<pae/>

</features>

<cpu mode='custom' match='exact'>

<model fallback='allow'>Westmere</model>

<feature policy='require' name='pdpe1gb'/>

<numa>

<cell id='0' cpus='0,1,2,3' memory='16777216'/>

<cell id='1' cpus='4,5,6,7' memory='16777216'/>

</numa>

</cpu>

<clock offset='utc'/>

<on_poweroff>destroy</on_poweroff>

<on_reboot>restart</on_reboot>

<on_crash>restart</on_crash>

<devices>

<emulator>/usr/bin/qemu-system-x86_64</emulator>

<disk type='file' device='disk'>

<driver name='qemu' type='qcow2' cache='none'/>

<source file='/var/lib/libvirt/images/SomeOSOS-30-5-0-0_rls_743.qcow2'/>

<target dev='vda' bus='virtio'/>

<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>

</disk>

<controller type='ide' index='0'>

<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>

</controller>

<controller type='usb' index='0'>

<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>

</controller>

<controller type='pci' index='0' model='pci-root'/>

<interface type='bridge'>

<mac address='52:54:00:4b:e8:9b'/>

<source bridge='mgmt'/>

<model type='e1000'/>

<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>

</interface>

<serial type='pty'>

<target port='0'/>

</serial>

<console type='pty'>

<target type='serial' port='0'/>

</console>

<input type='mouse' bus='ps2'/>

<input type='keyboard' bus='ps2'/>

<graphics type='vnc' port='-1' autoport='yes'/>

<video>

<model type='cirrus' vram='9216' heads='1'/>

<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>

</video>

<hostdev mode='subsystem' type='pci' managed='yes'>

<source>

<address domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>

</source>

<rom bar='off'/>

<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>

</hostdev>

<hostdev mode='subsystem' type='pci' managed='yes'>

<source>

<address domain='0x0000' bus='0x42' slot='0x00' function='0x0'/>

</source>

<rom bar='off'/>

<address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>

</hostdev>

<memballoon model='virtio'>

<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>

</memballoon>

</devices>

</domain>

Regards.