Re: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters for pseries guests

2024-05-17 Thread kernel test robot
-counters-for-pseries-guests/20240510-185213 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm patch link: https://lore.kernel.org/r/20240510104941.78410-1-gautam%40linux.ibm.com patch subject: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters

Re: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters for pseries guests

2024-05-16 Thread kernel test robot
-counters-for-pseries-guests/20240510-185213 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm patch link: https://lore.kernel.org/r/20240510104941.78410-1-gautam%40linux.ibm.com patch subject: [PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters

[PATCH v8] arch/powerpc/kvm: Add support for reading VPA counters for pseries guests

2024-05-10 Thread Gautam Menghani
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