> sudo anka modify 12.3.1 set cpu --help
Usage: anka modify set cpu [OPTIONS] [NCPU]...

  Set number of vcpu cores and frequency

Options:
  -c, --cores INTEGER      Set the number of cores
  -h, --htt / --no-htt     Enable/disable hyper-threading
  -f, --frequency INTEGER  Set the base vcpu frequency (Hz)
  --help                   Display usage information