On Mon, 20 May 2024 23:27:40 +0530, Gautam Menghani wrote:
> PAPR hypervisor has introduced three new counters in the VPA area of
> LPAR CPUs for KVM L2 guest (see [1] for terminology) observability - 2
> for context switches from host to guest and vice versa, and 1 counter
> for getting the total time spent inside the KVM guest. Add a tracepoint
> that enables reading the counters for use by ftrace/perf. Note that this
> tracepoint is only available for nestedv2 API (i.e, KVM on PowerVM).
>
> [...]
Applied to powerpc/topic/ppc-kvm.
[1/1] arch/powerpc/kvm: Add support for reading VPA counters for pseries guests
https://git.kernel.org/powerpc/c/e1f288d2f9c69bb8965db9fb99a19b58231a00dd
cheers
