Messages in this thread | | | Date | Wed, 27 Dec 2006 11:58:55 -0800 | From | "Siddha, Suresh B" <> | Subject | Re: How to detect multi-core and/or HT-enabled CPUs in 2.4.x and 2.6.x kernels |
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On Wed, Dec 27, 2006 at 09:52:02AM -0800, Martin Knoblauch wrote: > For sizing purposes, doing benchmarks is the only way. For the purpose > of Ganglia the sockets/cores/threads info is purely for inventory. And > we are likely going to add the new information to our metrics. > > But - we still need to find a way to extract the infor :-)
Only the 2.4 x86_64 kernels are exporting limited info("physical id", "siblings") through /proc/cpuinfo.
Some of the distos based on 2.4 kernels have the complete topology (physical id, core id, cpu cores, siblings) exported through /proc/cpuinfo.
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