Re: Win 11 Pro has high CPU usage on idle in bhyve

From: Mark Peek <mp_at_freebsd.org>
Date: Thu, 17 Apr 2025 17:32:03 UTC
On Thu, Apr 17, 2025 at 10:19 AM Marco Orsatti <marco.dmc12@gmail.com>
wrote:

> Thanks Kevin for the info.
>
> I checked, but there is no Outlook Classic in the VM, I also used this
> script (https://github.com/Raphire/Win11Debloat) to remove unnecessary
> components, but the CPU is still very much in use.
>
> It's really a strange behavior because from inside the VM the CPU usage is
> around 3% while at the same time from the Host it is at 240%
>

Since you're running in graphics mode you likely have a VNC client running
to connect to it. Try disconnecting the VNC connection and check the bhyve
CPU usage. Screen updates need to be sent over VNC so even little changes
(blinking cursors, clock, etc.) will generate traffic and use CPU.

Mark