On Fri, 2021-01-22 at 18:44 +0100, Anders Törnqvist wrote:
> Listing vcpus looks like this when the domain is running:
> 
> xl vcpu-list
> Name                                ID  VCPU   CPU State   Time(s) 
> Affinity (Hard / Soft)
> Domain-0                             0     0    0   r--     101.7 0 /
> all
> Domain-0                             0     1    1   r--     101.0 1 /
> all
> Domain-0                             0     2    2   r--     101.0 2 /
> all
> Domain-0                             0     3    3   r--     100.9 3 /
> all
> Domain-0                             0     4    4   r--     100.9 4 /
> all
> mydomu                              1     0    5   r--      89.5 5 /
> all
> 
> vCPU nr 0 is also for dom0. Is that normal?
> 
Yeah, that's the vCPU IDs numbering. Each VM/guest (including dom0) has
its vCPUs and they have ID starting from 0.

What counts here, to make sure that the NULL scheduler "configuration"
is correct, is that each VCPU is associated to one and only one PCPU.

Regards
-- 
Dario Faggioli, Ph.D
http://about.me/dario.faggioli
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
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