How to determine physical CPU core location for a given CPU number in RHEL on x86_64 architeture

Solution Verified - Updated -

Issue

Part of the troubleshooting of system crashes caused by failures in CPU hardware is locating the failing part. How can the CPU number as reported by the operating system be translated to the corresponding CPU socket and core?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Intel x86_64 architecture

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