Re: Bhyve process consumes way too much CPU

From: Nikita Olenets <zeon_at_zeon.kiev.ua>
Date: Tue, 21 Mar 2023 16:59:50 UTC
Hey Mario,

Yeah, sorry. I was thinking that you were the topic starter and you were
trying to make things work under bhyve.

Have a goo day.

— Nikita

On Tue, Mar 21, 2023 at 12:54 Mario Marietto <marietto2008@gmail.com> wrote:

> Are you talking with me ? I can install Home Assistant only on the
> hardware that I already have. Actually the best piece of hardware that I
> can use for my project (installing the chat gpt module on Home Assistant +
> a speech recognition software to give a voice to chat gpt) is the nvidia
> jetson nano. And If I remember correctly,it supports only Ubuntu. I can do
> the same on my Workstation,but I prefer to have the ability to move the
> smaller nano within a plastic container. At the end of the day It will be
> almost the same as a vocal assistant,but uch more programmable.
>
> On Tue, Mar 21, 2023 at 5:41 PM Nikita Olenets <zeon@zeon.kiev.ua> wrote:
>
>> Hi,
>>
>> Is there any specific reason you want it to be installed under Ubuntu?
>> I’m asking this because I use HasOS(home assistant OS) which is based on
>> Linux (can’t recall the distribution) and I’m running this for three years
>> now. No issues at all. I do have even passed through ZigBee usb stick and
>> it works just fine.
>>
>> On Mon, Mar 20, 2023 at 11:12 Mario Marietto <marietto2008@gmail.com>
>> wrote:
>>
>>> Hello Julie.
>>>
>>> As I said some days ago,I'm trying to install homeassistant. For the
>>> moment I'm using Ubuntu 20.04 that I have installed on the Jetson nano,but
>>> later I will use Ubuntu within bhyve on FreeBSD. Unfortunately,a
>>> developer,I suppose,told me that homeassistant is not supported on ubuntu.
>>> In Fact I tried to do that following this tutorial :
>>>
>>> https://vikoky.medium.com/jetson-nano-powered-house-29ce73f11de4
>>>
>>> but I've got a lot of errors. I've started a thread on reddit,asking for
>>> help,here :
>>>
>>>
>>> https://www.reddit.com/r/homeassistant/comments/11wglx7/homeassisant_cant_be_installed_on_ubuntu_2004_the/
>>>
>>> and he/she told me that ubuntu is not supported. So,which linux
>>> distribution have you used within bhyve ? thanks.
>>>
>>> On Sun, Mar 19, 2023 at 7:12 PM Miroslav Lachman <000.fbsd@quip.cz>
>>> wrote:
>>>
>>>> On 18/03/2023 14:59, Julie Koubová wrote:
>>>> > Hey everyone,
>>>> >
>>>> > I'm running Linux (Home Assistant OS) in Bhyve on FreeBSD 13.1. I use
>>>> > PCI passthrough to allow the VM to access a USB card with a couple of
>>>> > radio dongles. The host machine is an Intel Core i3 13100 with 64 GB
>>>> of
>>>> > RAM. The CPU has 4 physical cores (8 hyper-threaded). The virtual
>>>> > machine is assigned four cores.
>>>> >
>>>> > The host load averages are 0.39 0.39 0.40 right now, which seems way
>>>> too
>>>> > much. The same workload was previously handled by a Raspberry Pi 4,
>>>> and
>>>> > the CPU usage there was under 10% when not doing anything special.
>>>> > Inside the guest OS, the CPU usage is reported around 5%, which seems
>>>> > reasonable.
>>>> >
>>>> > What's wrong? How can I start debugging this issue? I use ZFS on the
>>>> > host, vm-bhyve to manage the virtual machines, and I don't have a
>>>> swap
>>>> > partition.
>>>>
>>>> I had similar problem few years ago. Never solved. Exhibited on bhyve
>>>> and VirtualBox too. The problem was "the more vCPU for VM, the slower
>>>> VM".
>>>> Can you try to set just 1 vCPU to your VM? In my case, VM with 1 vCPU
>>>> was fast, almost no overhead, 2 v CPUs slightly slower but 4 or more
>>>> was
>>>> slow as hell.
>>>> I would also recommend not to overprovision real CPU core count to vCPU
>>>> and not use multi/hyper threading cores as real cores. With your CPU,
>>>> use only 4 cores to assign to all your VMs (4 VMs with 1 vCPU each, or
>>>> 2
>>>> VMs with 2 vCPU each, 1 VM with 4 vCPU)
>>>>
>>>> Miroslav Lachman
>>>>
>>>>
>>>>
>>>
>>> --
>>> Mario.
>>>
>> --
>> Nikita Olenets
>>
>>
>
> --
> Mario.
>
-- 
Nikita Olenets