Overwrite CPU frequency output in nova or KVM to specific value

asked 2019-10-14 08:10:40 -0600

panticz gravatar image

Hi, is it possible to set / override the outpot of the CPU frequncy in nova or KVM to a specific value so that they don`t slightly vary inside of fthe VMs? See "CPU MHz: 2199.998":

$ lscpu 
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   40 bits physical, 48 bits virtual
CPU(s):                          1
On-line CPU(s) list:             0
Thread(s) per core:              1
Core(s) per socket:              1
Socket(s):                       1
NUMA node(s):                    1
Vendor ID:                       GenuineIntel
CPU family:                      6
Model:                           85
Model name:                      Intel Xeon Processor (Skylake, IBRS)
Stepping:                        4
CPU MHz:                         2199.998
BogoMIPS:                        4399.99
Virtualization:                  VT-x
Hypervisor vendor:               KVM
Virtualization type:             full
L1d cache:                       32 KiB
...
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