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

Moger, Babu
2024-04-26T14:56:39Z

Hi Ilpo,

On 4/26/2024 2:06 AM, Ilpo Järvinen wrote:
> On Thu, 25 Apr 2024, Babu Moger wrote:
>
>> Enable MBA/MBM tests if UMC (Unified Memory Controller) support is
>> available on the system. Tests will be skipped otherwise.
>>
>> Update noncont_cat_run_test to check for vendor. AMD supports
>> non contiguous CBM masks but does not report it via CPUID.
>>
>> Signed-off-by: Babu Moger <babu.moger@amd.com>
>> ---
>> tools/testing/selftests/resctrl/cat_test.c | 2 +-
>> tools/testing/selftests/resctrl/mba_test.c | 1 -
>> tools/testing/selftests/resctrl/mbm_test.c | 1 -
>> 3 files changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/tools/testing/selftests/resctrl/cat_test.c b/tools/testing/selftests/resctrl/cat_test.c
>> index 4cb991be8e31..b682eaf65bfd 100644
>> --- a/tools/testing/selftests/resctrl/cat_test.c
>> +++ b/tools/testing/selftests/resctrl/cat_test.c
>> @@ -314,7 +314,7 @@ static int noncont_cat_run_test(const struct resctrl_test *test,
>> else
>> return -EINVAL;
>>
>> - if (sparse_masks != ((ecx >> 3) & 1)) {
>> + if ((get_vendor() == ARCH_INTEL) && sparse_masks != ((ecx >> 3) & 1)) {
> This looks independent change to me which should be put into own patch.

Sure. Will do.

Thanks

Babu