Re: [PATCH v2 0/4] selftests/resctrl: Enable MBM and MBA tests on AMD

Reinette Chatre
2024-05-09T21:10:18Z

Hi Babu,

On 4/25/2024 1:16 PM, Babu Moger wrote:
>
> The MBM (Memory Bandwidth Monitoring) and MBA (Memory Bandwidth Allocation)
> features are not enabled for AMD systems. The reason was lack of perf
> counters to compare the resctrl test results.
>
> Starting with the commit
> 25e56847821f ("perf/x86/amd/uncore: Add memory controller support"), AMD
> now supports the UMC (Unified Memory Controller) perf events. These events
> can be used to compare the test results.
>
> This series adds the support to detect the UMC events and enable MBM/MBA
> tests for AMD systems.
>
> v2: Changes.
> a. Rebased on top of tip/master (Apr 25, 2024)

Please note that resctrl selftest changes flow upstream via the kselftest
repo. The latest resctrl selftest changes can be found on the "next" branch
there.

Reinette