Messages in this thread | | | Subject | Re: /proc/cpuinfo format - arch dependent! | From | Andi Kleen <> | Date | Sun, 08 May 2005 15:24:30 +0200 |
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"Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org>" <7eggert@gmx.de> 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.
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