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