def METHOD_NAME(feedback):
    '''
    Use parsing /proc/cpuinfo method.
    :return:
    '''
    physids = set()
    if os.access("/proc/cpuinfo", os.R_OK):
        try:
            log.debug("Trying /proc/cpuinfo to get CPU socket count")
            with open('/proc/cpuinfo') as handle:
                for line in handle.readlines():
                    if line.strip().startswith('physical id'):
                        comps = line.split(':')
                        if len(comps) < 2 or len(comps[1]) < 2:
                            continue
                        physids.add(comps[1].strip())
            if physids:
                return {'cpusockets': len(physids)}
        except Exception as error:
            log.debug(str(error))
            feedback.append("/proc/cpuinfo: {0}".format(str(error)))
        else:
            feedback.append('/proc/cpuinfo: format is not applicable')