Implement counters for nested guest shadow events (!3382) · Merge requests · Red Hat / centos-stream / src / kernel / centos-stream-9

Thomas Huth requested to merge thuth/kernel-cs-9:RHEL-11438 into main Nov 17, 2023

JIRA: https://issues.redhat.com/browse/RHEL-11438

These patches add KVM performance counters for the shadow/unshadow events can help to diagnose performance issues. Tested by running a nested guest on a s390x host and checking that some of the counters in /sys/kernel/debug/kvm/gmap* increase during the runtime.

Signed-off-by: Thomas Huth thuth@redhat.com

Implement counters for nested guest shadow events

Merge request reports