OLVM: CPU affinity in a KVM host (Doc ID 2908404.1)

Last updated on JUNE 21, 2024

Applies to:

Purpose

Fine grain tuning CPU affinity for a KVM host itself sometimes is beneficial to reduce chance of CPU steal% in VMs under high system load.

By default, there is no restriction of CPU scheduling to all available CPU cores on a KVM host:
# grep CPUAffinity /etc/systemd/system.conf | grep -v ^#
# 

Details

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