"    Input:  {
              (target)               - if specified, use info from 'machine' module

              (host_os)              - host OS (detect, if omitted)
              (os) or (target_os)    - OS module to check (if omitted, analyze host)

              (device_id)            - device id if remote (such as adb)
              (skip_device_init)     - if 'yes', do not initialize device
              (print_device_info)    - if 'yes', print extra device info

              (skip_info_collection) - if 'yes', do not collect info (particularly for remote)

              (exchange)             - if 'yes', exchange info with some repo (by default, remote-ck)
              (share)                - the same as 'exchange'
              (exchange_repo)        - which repo to record/update info (remote-ck by default)
              (exchange_subrepo)     - if remote, remote repo UOA
              (exchange_locally)     - if 'yes', exchange locally

              (force_platform_name)  - if !='', use this for platform name

              (extra_info)           - extra info about author, etc (see add from CK kernel)

              (quiet)                - do not ask questions whenever possible
              (skip_gpu_info)        - if 'yes', do not collect GPU info
              (platform_init_uoa)    - if !='', use these platform.init scripts
              (update_platform_init) - update platform.init scripts (ask user)
            }

    Output: {
              return       - return code =  0, if successful
                                         >  0, if error
              (error)      - error text if return > 0

              host_os_uoa                 - host OS UOA
              host_os_uid                 - host OS UID
              host_os_dict                - host OS meta

              os_uoa                      - target OS UOA
              os_uid                      - target OS UID
              os_dict                     - target OS meta

              (devices)                   - return devices if device_id==''
              (device_id)                 - if device_id=='' and only 1 device, select it

              features = {
                cpu            - CPU features (properties), unified
                cpu_misc       - assorted CPU features (properties), platform dependent

                os             - OS features (properties), unified
                os_misc        - assorted OS features (properties), platform dependent

                platform       - platform features (properties), unified
                platform_misc  - assorted platform features (properties), platform dependent

                gpu            - GPU features (properties), unified
                gpu_misc       - assorted GPU features (properties), platform dependent
              }
            }

"