On Fri, Nov 14, 2014 at 09:15:11PM +0000, Matt Fleming wrote: + /* > + * A reasonable upper limit on the max threshold is the number > + * of lines tagged per RMID if all RMIDs have the same number of > + * lines tagged in the LLC. > + * > + * For a 35MB LLC and 56 RMIDs, this is ~1.8% of the LLC. > + */ > + __intel_cqm_max_threshold = > + boot_cpu_data.x86_cache_size * 1024 / (cqm_max_rmid + 1);
Seeing how a percentage is without unit, the 35MB figure seems pointless. Also, why would a flat distribution be a good measure for 'empty'? I would think that would in fact constitute in use. Should we make this 1/16th of this figure or any other random fraction < 1 ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
