def _display_name(pname, v):
    """returns (str) like 'pname/pid/host alias' """
    pinfo = v['proc_info']
    host  = pinfo.get('host', 'non-def')
    pid   = pinfo.get('pid',  'non-def')
    alias = pinfo.get('alias','non-def')
    return '%s/%s/%s %s' % (pname, pid, host, alias)