Re: IBS perf test failures on 9950x3d

[Ravi Bangoria <ravi.bangoria@amd.com>]

Hi Namhyung,

>>> If it needs a specific kernel, then the test needs to cope with that,
>>> etc.
>>
>> 1) Bunch of IBS kernel fixes went in recently (v6.15-rc1):
>>
>>    https://lore.kernel.org/r/20250115054438.1021-1-ravi.bangoria@amd.com
>>
>>    Since you are running on 6.14.5-300.fc42.x86_64, the failures are
>>    genuine and indicating that kernel should be fixed.
>>
>>    I'm wondering how would the test cope with the buggy kernel. Or
>>    probably 'perf test' a wrong place to put such selftests?
> 
> Maybe... some kernel internal changes can be tested in the selftest.
> 
> And 'perf test' should work with any kernel versions.  Is the test
> checking any invalid configs?  Probably then it should move to the
> selftest so that it can be tied to the fixed kernels and 'perf test'
> should only use valid configs.

Sure. I'll prepare a patch to move this test from 'perf test' to
tools/testing/selftest/.

Thanks,
Ravi