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Find which HT-cores are sharing a physical core from /proc/cpuinfo

Fresh5 days ago
Mar 15, 20268355 views
Confidence Score0%
0%

Problem

There is a computer with two "Xeon(R) CPU X5550 @ 2.67GHz" CPU. The Hyper-threading is enabled, so it looks like 16-core system, but really there is only 8 physical cores. I know that when hyperthreading is enabled, each physical core is splitted into two virtual cores. I want to know, which pair o…

Error Output

processor   : 0
vendor_id   : GenuineIntel
cpu family  : 6
model       : 26
model name  : Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping   …

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1 Fix

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Fix for: Find which HT-cores are sharing a physical core from /proc/cpuinfo

Low Risk

The ones that share the same physical core should have the same core id and physical id, with different processor number. Try this:

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Environment