My Oracle Support Banner

Oracle Linux: How to Detect a Hyper-Threading or/and a Multi-Core CPU on Oracle Linux (Doc ID 462410.1)

Last updated on MARCH 18, 2024

Applies to:

Linux OS - Version Enterprise Linux 4.0 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86


How to determine if the system is using Hyper-Threading and/or Multi-Core CPU.


Linux system administrators and Linux DBAs with sysadmin skills.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
 Hyper-Threading Technology (HT)
 Multi-Core CPU
 Detecting Hardware Multi-threading and Multi-core topology in 2.6 Linux
 Information exported by ‘proc’ file system
 Informations exported by ‘sysfs’ file system 

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.