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Sandy Bridge

Xeon E5-2600 OS CPU To Core / SMT Thread Mapping On Linux. It Matters.

Submitted by kevinclosson on Thu, 2012-04-26 05:58

Ages ago I blogged about the Intel topology tool and mapping Xeon 5500 (Nehalem EP) processor threads to OS CPUs on Linux. I don’t recall if I ever blogged the same about Xeon 5600 (Westmere EP) but I’ll cover that processor and Xeon E5-2600 in this short post.  Fist, Xeon 5600.

The following two screen shots are socket 0 and socket 1 from a Xeon 5600 server. Socket 0 first:

Now, socket 1: