SR-IOV VFs passed through to a KVM libvirt guest do not have NUMA locality
Issue
- SR-IOV VFs passed through to a KVM libvirt guest do not have NUMA locality
- Not able to get Numa affinity of PCI device on guest
- We are trying to know the NUMA affinity of PCI devices (network interface in our case) on guest hosted on RHEL 7.3. We are seeing only
-1.
# lspci | grep Ether
00:09.0 Ethernet controller: Intel Corporation 82599 Ethernet Controller Virtual Function (rev 01)
00:0a.0 Ethernet controller: Intel Corporation 82599 Ethernet Controller Virtual Function (rev 01)
# cat /sys/devices/pci0000:00/0000:00:09.0/numa_node
-1
# cat /sys/devices/pci0000:00/0000:00:0a.0/numa_node
-1
Environment
- Red Hat Enterprise Linux 7.3
- KVM virtual machines controlled by libvirt
- Intel Corporation 82599 Ethernet Controller Virtual Function (SR-IOV VF)
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