Daniel P. Berrange wrote:
- Linux/Solaris Xen - hypercalls- Linux non-Xen - libnuma - Solaris non-Xen - liblgrpThe Xen & Linux modelling seems reasonably similar IIRC, but Solaris isa slightly different representational approach.
The Solaris approach seems to be fully hierarchical as far as I can work out.
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.
Yes that is correct. We should not change the default - let the OS appply whatever policy it sees fit by default, since over time OS are tending towards being able to automagically determine & apply NUMA policy.
Or add another domain creation call which allows passing an additional set of hints. One of the hints would be initial cpu pinning.
Rich. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903
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