On 25 February 2015 at 00:16, Vikas Shivappa <vikas.shiva...@linux.intel.com> wrote:
> +1.2 Why is CAT needed > +--------------------- > + > +The CAT enables more cache resources to be made available for higher > +priority applications based on guidance from the execution > +environment. > + > +The architecture also allows dynamically changing these subsets during > +runtime to further optimize the performance of the higher priority > +application with minimal degradation to the low priority app. > +Additionally, resources can be rebalanced for system throughput > +benefit. (Refer to Section 17.15 in the Intel SDM) > + > +This technique may be useful in managing large computer systems which > +large LLC. Examples may be large servers running instances of > +webservers or database servers. In such complex systems, these subsets > +can be used for more careful placing of the available cache > +resources. > + > +The CAT kernel patch would provide a basic kernel framework for users > +to be able to implement such cache subsets. Last paragraph can be deleted. If functionality is merged it is not a patch anymore. -- 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/
