enabling vPMU for virtual machine

22 May
2019
22 May
'19
6:42 p.m.
Hi Guys, Is there a way to enable vPMU for VM in oVirt? I already enabled Nested Virtualization on hosts and installed vdsm-hook-nestedvt. In libvirt it is possible to set <cpu mode='host-passthrough'/> This blog post shows how to set it in libvirt xml vm config: https://stackoverflow.com/questions/46490857/how-to-enable-pmu-in-kvm-guest A clue from Red Hat: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/htm... Maybe something with cpuflags? https://mpolednik.github.io/2017/07/31/cpuflags-ovirt-hook-cpu-features/ Thanks Jarek

23 May
23 May
10:32 a.m.
Ok, so I found it myself: 1. Edit VM 2. Show Advanced options and go to Hosts tab 3. Set the VM to run on specific host 3. Enable "Pass-Through Host CPU" option - this is the magic
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Jarosław Prokopowski