def METHOD_NAME(session):
    """
    Get all the kernel debug info of virtio port
    :param session: guest session
    :return the dictionary of all port infos: {port_dev: {option: value}}
    """
    virtio_ports_debug_path = "/sys/kernel/debug/virtio-ports/"
    info_dict = {}
    port_devs = session.cmd_output_safe(
        "ls %s" % virtio_ports_debug_path).split()
    for port_dev in port_devs:
        port_infos = session.cmd_output("cat %s%s" % (
            virtio_ports_debug_path, port_dev)).splitlines()
        port_dict = {}
        for line in port_infos:
            option, value = line.split(':')
            port_dict.update({option: value.strip()})
        info_dict.update({port_dev: port_dict})
    return info_dict