[vfio-users] vga passthrough on server boards
Bronek Kozicki
brok at spamcop.net
Wed Oct 12 20:23:30 UTC 2016
On 12/10/2016 19:08, Alex Williamson wrote:
> For a simple configuration where the VM fits within a host numa node,
> you'd want to add something like:
>
> <numatune>
> <memory mode="strict" nodeset="1"/>
> </numatune>
>
> Which should allocate all VM memory from numa node 1. Use the
> information in the sysfs paths above to verify that free hugepage count
> is going down on the intended node. If your VM spans NUMA nodes, things
> get a lot more complicated and you'll need to fiddle with memnodes here
> and nodesets in the <hugepages> setup.
Thank you for help here, with these two magic words numatune and nodeset
I was able to find full explanation at
http://www.admin-magazine.com/Archive/2014/20/Best-practices-for-KVM-on-NUMA-servers
B.
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