Re: bhyve performance issues

Hi.

I am looking at your Windows 10 bhyve configuration and I notice your 
memory is set to 20480M, which is 20GB. Did you mean 2048M which 
translates to 2GB?

Respectfully Sent,

- Dudley

On 12/20/24 01:15, infoomatic wrote:
> some more infos:
>
> Shutting down "windows" results in the host being responsive for a
> longer period of time, however, at some point htop shows ~60% cpu usage
> of "linux" and load average is ~40.
> The ssh connection becomes unusable, showing keystrokes/characters
> roughly 10-30 seconds delayed.
>
>
> On 19.12.24 14:48, infoomatic wrote:
>> Hi,
>>
>> I have a FreeBSD 14.2 system with two bhyve machines (using vm-bhyve).
>> Those VMs are completely unrelated: one is a Linux VM for podman builds
>> - "linux", one is a Windows 10 VM for Microsoft365 backup - "windows".
>>
>> Whenever I start a build process on "linux" (2 cpus out of 6), the host
>> system becomes barely usable, with a load average of 40-60. The strange
>> thing is htop shows me cpu usage of "linux" at 20-30% whereas "windows"
>> (which is just idling around) starts using roughly ~45% cpu (normally <
>> 10%).
>>
>> Infos: the host: CPU: AMD Ryzen 5 3600 6-Core Processor, 64GB RAM, 4
>> slow spinning disks (zfs: striped mirror).
>>
>> windows vm config:
>> loader="uefi"
>> cpu_sockets=1
>> cpu_cores=4
>> cpu=4
>> memory=20480M
>> network0_type="virtio-net"
>> network0_switch="public"
>> disk0_type="virtio-blk"
>> disk0_name="disk0.img"
>> uuid="30c90d9a-be0f-11ef-a78a-b42e99a1b9c3"
>> network0_mac="58:9c:fc:0b:a3:ff"
>> graphics="yes"
>> xhci_mouse="yes"
>> graphics_listen="127.0.0.1"
>> graphics_port="591"
>> graphics_vga=io
>> utctime="no"
>>
>> linux.cfg:
>> loader="uefi"
>> cpu=2
>> memory=4096M
>> network0_type="virtio-net"
>> network0_switch="public"
>> disk0_type="virtio-blk"
>> disk0_name="disk0.img"
>> uuid="5307ee72-be0f-11ef-a78a-b42e99a1b9c3"
>> network0_mac="58:9c:fc:a7:7b:ef"
>> graphics="yes"
>> graphics_listen="127.0.0.1"
>> graphics_port="5901"
>> graphics_vga=io
>>
>> Anyone an idea what could be wrong, or, how to debug this? Thanks!
>>
>> Regards,
>> Robert
>>
>>
>
>