[libvirt] Problem of host CPU topology parsing
Daniel P. Berrange
berrange at redhat.com
Fri May 11 08:35:48 UTC 2012
On Fri, May 11, 2012 at 04:21:48PM +0800, Osier Yang wrote:
> Hi,
>
> We have problem of host CPU topology parsing on special
> platforms (general platforms are fine). E.g.
>
> On a AMD machine with 48 CPUs [1] (4 sockets, 6 cores indeed
> [2]), VIR_NODEINFO_MAXCPUS [3] will always return 24 as the
> total CPU number.
If it is returning 24, then surely we have the 'nodes' value
wrong in the virNodeInfo ? It sounds like it should have been
set to 2 (4 * 6 * 2 => 48)
> [3] #define VIR_NODEINFO_MAXCPUS(nodeinfo) ((nodeinfo).nodes*(nodeinfo).sockets*(nodeinfo).cores*(nodeinfo).threads)
Rgeards,
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
More information about the libvir-list
mailing list