- VM configured with
rbd_cache = false
in both cases - PWL enabled/disabled by setting
rbd_plugins
topwl_cache
/""
respectively - PWL enabled/disabled status configured by output of
rbd status libvirt-pool/pwl-test
- Boot VM
- Run perf test[^1] in the guest without profiling in the host
- Repeat twice:
- Run perf test in the guest
- Simultaneously run
unwindpmp -n 900 -p <qemu pid> > ...
on the host
- Ensure sampling starts after and finishes before test