Re: [PATCH v3 10/29] selftests/resctrl: Exclude shareable bits from schemata in CAT test

[Reinette Chatre]

Hi Ilpo,

On 12/11/2023 4:18 AM, Ilpo Järvinen wrote:
> CAT test doesn't take shareable bits into account, i.e., the test might
> be sharing cache with some devices (e.g., graphics).
> 
> Introduce get_mask_no_shareable() and use it to provision an
> environment for CAT test where the allocated LLC is isolated better.
> Excluding shareable_bits may create hole(s) into the cbm_mask, thus add
> a new helper count_contiguous_bits() to find the longest contiguous set
> of CBM bits.
> 
> create_bit_mask() is needed by an upcoming CAT test rewrite so make it
> available in resctrl.h right away.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
> ---

Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>

Reinette