Re: Can I allocate some CPUs to the bhyve host?

From: FreeBSD Louisville <freebsdlouisville_at_gmail.com>
Date: Sat, 15 Feb 2025 16:19:25 UTC
Thanks for the quick response and your time.

I may have confused the issue.

I want to dedicate a certain number of CPUs to the host, thereby 
assuring CPUs are not over-provisioned to guests.


On 2/15/25 10:54, Paul Procacci wrote:
> On Sat, Feb 15, 2025 at 10:34 AM FreeBSD Louisville
> <freebsdlouisville@gmail.com> wrote:
>> It appears to me that a user could over-provision CPUs to guests,
>> causing massive slowdown of the system.  Can I specify CPUs to be
>> "locked" to the host?  If I have 16 processors available, could I start
>> guests that want 32 CPUs?
>>
>>
> The maximum number of vcpus is limited to the number of cpus.
> You can "lock" cpus to a guest by way of cpuset -- which I don't
> suggest doing unless you know what you are doing.
>
> ~Paul
>