Why is 'ktune' service randomly restarted in RHEL 6 hosts?

Solution Unverified - Updated -

Issue

  • Why is 'ktune' service randomly restarted in RHEL 6 hosts?

  • Why do I see messages about the performance CPU governor being disabled and enabled back immediately afterwards?

    Feb 29 11:18:07 hostname cpuspeed: Disabling performance cpu frequency scaling governor
Feb 29 11:18:08 hostname cpuspeed: Enabling performance cpu frequency scaling governor

Environment

  • Red Hat Enterprise Linux 6.
  • Red Hat Enterprise Virtualization 3.x (if using RHEL 6 based hosts).
  • tuned version 0.2.19-15.el6 or earlier.

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.