"Bodo Eggert <[email protected]>" <[email protected]> writes:
>
> Obviously it must be a tree of CPU groups. CPUs in one NUMA node go into
> one group, multi-core CPUs have all cores in one group and HT is a group,
> too. This will scale from UP (degenerated tree with just one CPU) to
> clusters with multicore HT-capable CPUs on PCI boards.
All this informtation (except HT/multicore are folded into a single
level) is already there in sysfs.
libnuma uses it to discover the topology and report it to the
user.
-Andi
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