Useful Proxmox commands

pct cpusets
Prints the assigned CPU sets to the LXC containers.

systemctl status <VMID>.scope
Displays the process of a specific VM

lscpu -e
Prints CPU topology
More details

qm showcmd <VMID>
Displays the command that Proxmox generates for a given VM

proxmox-boot-tool

Can select/list/pin kernels with PVE 7.2