Oracle Linux: Performance Regression with IBRS Enabled during Kernel Idle
(Doc ID 2517731.1)
Last updated on MAY 24, 2020
Applies to:
Linux OS - Version Oracle Linux 6.7 with Unbreakable Enterprise Kernel [4.1.12] and laterLinux x86-64
Symptoms
A Slight performance degradation might be observed due to IBRS (Indirect Branch Restricted Speculation) enabled on Sibling Hardware threads
Cause
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In this Document
Symptoms |
Cause |
Solution |