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Subject: Re: [hwloc-users] No caches or hiearchy on RHEL 4.7 or 4.8
From: Brice Goglin (Brice.Goglin_at_[hidden])
Date: 2010-01-28 13:40:59

Dan Eaton wrote:
> Yes, the cpuid version works marvelously. The only thing it misses is memory/NUMA node (is it using libnuma?).

libnuma reads numa info exactly like hwloc does: from sysfs, i.e. it
depends of the kernel. I don't know if we could try to read SRAT tables
from userspace when the kernel exports wrong NUMA info...