On Thu, Jun 14, 2007 at 02:08:12PM +0100, Richard W.M. Jones wrote: > Daniel P. Berrange wrote: > > - Linux/Solaris Xen - hypercalls > > - Linux non-Xen - libnuma > > - Solaris non-Xen - liblgrp > > > >The Xen & Linux modelling seems reasonably similar IIRC, but Solaris is > >a slightly different representational approach. > > The Solaris approach seems to be fully hierarchical as far as I can work > out. yup that's what I infer from lgrp_root, lgrp_children and lgrp_parents well except in a tree would would only have one parent ever that I'm not sur I really understand http://docs.sun.com/app/docs/doc/816-5172/6mbb7bu79?a=view > That seems to argue for extending the capabilities XML to describe > nodes, in as much as the XML can start off as a flat list of NUMA nodes > (for IBM) but later be made hierarchical if necessary. Agreed, it may be a bit painful in a sense to have to parse XML provided back from libvirt, but 1/ you should that once per Node 2/ it's not the only place in libvirt Probably need a bit more thinking about this though, Daniel -- Red Hat Virtualization group http://redhat.com/virtualization/ Daniel Veillard | virtualization library http://libvirt.org/ veillard@xxxxxxxxxx | libxml GNOME XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/