irqbalance FOLLOW_ISOLCPUS option is not working

Solution Verified - Updated -

Issue

The option FOLLOW_ISOLCPUS for irqbalance, described on Realtime Tuning Guide for Red Hat Enterprise MRG, is not working. Therefore, IRQs are not avoided on CPUs isolated via isolcpus kernel parameter.

Environment

Red Hat Enterprise Linux (RHEL) 6
Red Hat Enterprise Linux (RHEL) 7
Red Hat Enterprise MRG-RT
Package:
- irqbalance

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content