[ovirt-users] Re: numa pinning for high performance

Hi Vincent, nice setup. ;-) The column %guest with (800% or 20% of all) locks good for me. The rest cores are %idle. Best regards Oliver Am 14.08.2019 um 10:04 schrieb Vincent Royer <vincent(a)epicenergy.ca&gt;: Is there a good place to learn about cpu pinning and the various settings? I've built a test VM and am trying to understand - I've given it 2 cpus, 4 cores each, 1 thread per core. - The VM is pinned to a specific host with passthrough cpu enabled - numa pinning, first 4 cores on physical socket 1 and the next 4 on physical socket 2 - The host has two sockets each with 20 core cpus I would expect to see a load applied on 8 of the 40 cores on the host during testing. Instead it seems like 32 of 40 cores are working at 100%. What are the effects of this on the performance of the vm? <image.png> <image.png> <image.png> <image.png> <image.png> <image.png> _______________________________________________ Users mailing list -- users(a)ovirt.org To unsubscribe send an email to users-leave(a)ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/WMHTN7KU5X5...