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
