topology_update_dom
topology_update_dom(tscan, TOPO_SMT_DOMAIN,
topology_update_dom(tscan, TOPO_SMT_DOMAIN, 0, 1);
topology_update_dom(tscan, dom, shift, ncpus);
topology_update_dom(tscan, TOPO_SMT_DOMAIN, sft, tscan->dom_ncpus[TOPO_SMT_DOMAIN]);