Hi Wei
I tried setting cpucorespersocket to 8 on a VM with 8vCPU but it has still put
them across 2 sockets?
Heres some of the xml output:
<currentMemory unit='KiB'>8388608</currentMemory>
<vcpu placement='static'>8</vcpu>
<cputune>
<shares>264</shares>
</cputune>
......
<cpu mode='host-passthrough' check='none'>
<topology sockets='2' cores='4' threads='1'/>
</cpu>
.......
Any ideas what I am doing wrong?
BR
Gary
Gary Dixon
Quadris Cloud Manager
+44 (0) 161 537 4980 +44 (0) 7989 717661
[email protected]
www.quadris.com
Innovation House, 12-13 Bredbury Business Park
Bredbury Park Way, Bredbury, Stockport, SK6 2SN
-----Original Message-----
From: Wei ZHOU <[email protected]>
Sent: Monday, March 11, 2024 5:29 PM
To: [email protected]
Subject: Re: CPU topology
Stop the vm
Add a vm setting cpucorespersocket
Start the vm
-Wei
On Monday, March 11, 2024, Gary Dixon <[email protected]>
wrote:
>
>
> Meant to have stated here that our ACS version is 4.15.2 Hi
>
> ACS 4.1.2
> KVM on Ubuntu 20.04
> Hosts are Dell R7525 AMD EPYC dual socket 32 core CPU’s
>
> Is there a VM setting that can over-ride the CPU topology?
>
> It seems that when we have a VM with less than 8 vCPU – the domain xml
> of a VM shows the CPU topology as a single socket.
> However between 8 and 16 vCPU’s it shows the topology as having 2
> sockets and 16 or more vCPUs shows 4 sockets.
> I have tried using a VM setting of cpuSocket = 1on a VM with 8vCPU’s
> but it is ignored and continues to use a topology with 2 sockets
>
> BR
>
> Gary
>
>
> [cid:[email protected]]
> Gary Dixon
> Quadris Cloud Manager
> [cid:[email protected]]
> +44 (0) 161 537 4980<tel:+44%20(0)%20161%20537%204980>
> +44 (0) 7989 717661<tel:+44%20(0)%207989%20717661>
> [cid:[email protected]]
> [email protected]<mailto:[email protected]>
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