root@artem:~# uname -a
Linux artem 5.15.0-73-generic #80-Ubuntu SMP Mon May 15 15:23:03 UTC 2023 s390x s390x s390x GNU/Linux
root@artem:~# lscpu
Architecture:            s390x
  CPU op-mode(s):        32-bit, 64-bit
  Byte Order:            Big Endian
CPU(s):                  16
  On-line CPU(s) list:   0-15
Vendor ID:               IBM/S390
  Machine type:          8562
  Thread(s) per core:    1
  Core(s) per socket:    1
  Socket(s) per book:    1
  Book(s) per drawer:    1
  Drawer(s):             16
  CPU dynamic MHz:       4500
  CPU static MHz:        4500
  BogoMIPS:              1167.00
  Dispatching mode:      horizontal
  Flags:                 esan3 zarch stfle msa ldisp eimm dfp edat etf3eh highgprs te vx vxd vxe gs vxe2 vxp sort dflt sie
Virtualization features: 
  Hypervisor:            KVM/Linux
  Hypervisor vendor:     KVM
  Virtualization type:   full
Caches (sum of all):     
  L1d:                   2 MiB (16 instances)
  L1i:                   2 MiB (16 instances)
  L2d:                   64 MiB (16 instances)
  L2i:                   64 MiB (16 instances)
  L3:                    256 MiB
  L4:                    960 MiB
NUMA:                    
  NUMA node(s):          1
  NUMA node0 CPU(s):     0-15
Vulnerabilities:         
  Itlb multihit:         Not affected
  L1tf:                  Not affected
  Mds:                   Not affected
  Meltdown:              Not affected
  Mmio stale data:       Not affected
  Retbleed:              Not affected
  Spec store bypass:     Not affected
  Spectre v1:            Mitigation; __user pointer sanitization
  Spectre v2:            Mitigation; etokens
  Srbds:                 Not affected
  Tsx async abort:       Not affected