[ovirt-users] CPU Threads Help!!!

[zhangjian2011]

Sorry for late reply.

# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    2
Core(s) per socket:    2
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 42
Model name:            Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz
Stepping:              7
CPU MHz:               2704.195
BogoMIPS:              6585.15
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              3072K
NUMA node0 CPU(s):     0-3


Thanks.



On 08/12/2015 06:55 PM, Artyom Lukianov wrote:
> Can you please provide output of lscpu for your host please.
> Thanks
>
> ----- Original Message -----
> From: "zhangjian2011" <zhangjian2011 at cn.fujitsu.com>
> To: users at ovirt.org
> Sent: Wednesday, August 12, 2015 1:06:11 PM
> Subject: [ovirt-users] CPU Threads Help!!!
>
>
>
> Hi, Guys Recently I am investigating the Optimization Policy in Cluster and try to use “ CPU Threads ”.
>
> As the manual of description:
>
> ========
>
> For example, a 24-core
>
> system with 2 threads per core (48
>
> threads total) can run virtual machines with
>
> up to 48 cores each
>
> ========
>
>
>
> My host CPU is
>
> i3-2120 CPU (2 cores 4 threads)
>
>
>
> So I think the expect result case is :
>
> 1. If the “ Count Threads As Cores ” disable , we can’t run virtual vm with above 2 vCPU
>
> 2. If the “ Count Threads As Cores ” enable , we can’t run virtual vm with above 4 vCPU
>
>
>
> Now the problem is about result case 1:
>
> 1. When I set “ Count Threads As Cores ” disable , I still can run virtual vm with 4 vCPU
>
> Can anyone help me to explain it ???
>
> Regards,
> Jian
>
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