On Fri, Mar 15, 2024, kernel test robot wrote:
>
>
> Hello,
>
> kernel test robot noticed "kvm-unit-tests.pmu_pebs.fail" on:
>
> commit: ade86174dc69254b50a67f836b2b8ac2c5644e11 ("KVM: x86/pmu: Disable support for adaptive PEBS")
> https://github.com/sean-jc/linux x86/disable_adaptive_pebs
>
> in testcase: kvm-unit-tests
> version: kvm-unit-tests-x86_64-023002d-1_20230714
> with following parameters:
This is expected, pmu_pebs incorrectly assumes adaptive PEBS is supported in
certain flows. It simply wasn't hit until now because all hardware that is
compatible with the test supports adaptive PEBS. KUT patches are posted:
https://lore.kernel.org/all/20240306230153.786365-1-seanjc@xxxxxxxxxx
