Public bug reported: Hi,
CPU Pinning or NUMA doesn't seem to work with xen hypervisor: I used the following guide: https://docs.openstack.org/nova/latest/contributor/testing/libvirt-numa.html. Xen version: 4.4.4 Nova 9.1.0 libvirt 1.2.14-12 After creating new instance ``` mysql> select numa_topology from compute_nodes; +---------------+ | numa_topology | +---------------+ | NULL | | NULL | +---------------+ $ sudo virsh dumpxml instance-00000009 ... <vcpu placement='static'>1</vcpu> ... No vcpupin written to the instance But NUMA is available [root@ca-ostest459 ~]# virsh nodeinfo CPU model: x86_64 CPU(s): 32 CPU frequency: 2593 MHz CPU socket(s): 1 Core(s) per socket: 8 Thread(s) per core: 2 NUMA cell(s): 2 Memory size: 134158412 KiB Regards ** Affects: nova Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1726356 Title: NOVA/CPU Pinning not working with xen Status in OpenStack Compute (nova): New Bug description: Hi, CPU Pinning or NUMA doesn't seem to work with xen hypervisor: I used the following guide: https://docs.openstack.org/nova/latest/contributor/testing/libvirt-numa.html. Xen version: 4.4.4 Nova 9.1.0 libvirt 1.2.14-12 After creating new instance ``` mysql> select numa_topology from compute_nodes; +---------------+ | numa_topology | +---------------+ | NULL | | NULL | +---------------+ $ sudo virsh dumpxml instance-00000009 ... <vcpu placement='static'>1</vcpu> ... No vcpupin written to the instance But NUMA is available [root@ca-ostest459 ~]# virsh nodeinfo CPU model: x86_64 CPU(s): 32 CPU frequency: 2593 MHz CPU socket(s): 1 Core(s) per socket: 8 Thread(s) per core: 2 NUMA cell(s): 2 Memory size: 134158412 KiB Regards To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1726356/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : [email protected] Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp

