On 12 July 2016 at 20:02, Fenghua Yu <fenghua...@intel.com> wrote: > From: Fenghua Yu <fenghua...@intel.com> > > Each cache is described by cacheinfo and is unique in the same index > across the platform. But there is no id for a cache. We introduce cache > ID to identify a cache. > > Intel Cache Allocation Technology (CAT) allows some control on the > allocation policy within each cache that it controls. We need a unique > cache ID for each cache level to allow the user to specify which > controls are applied to which cache. Cache id is a concise way to specify > a cache. > > Cache id is first enabled on x86. It can be enabled on other platforms > as well. The cache id is not necessary contiguous. > > Add an "id" entry to /sys/devices/system/cpu/cpu*/cache/index*/
Can you explain what index and platform mean? I think those terms are generic in nature. May be an example on how cache ids would be assigned to different caches would help. -- Nilay
