Tracking the content of a cache

The invention relates to tracking the content of a cache. The cache is provided comprising a plurality of ways, each way of the plurality of ways comprising a data array, wherein a data item stored by the cache is stored in the data array of one of the plurality of ways. A way tracker of the cache has a plurality of entries, each entry of the plurality of entries for storing a data item identifier and for storing, in association with the data item identifier, an indication of a selected way of the plurality of ways to indicate that a data item identified by the data item identifier is stored in the selected way. Each entry of the way tracker is further for storing a miss indicator in association with the data item identifier, wherein the miss indicator is set by the cache when a lookup for a data item identified by that data item identifier has resulted in a cache miss. A corresponding method of caching data is also provided. 本公开涉及追踪缓存的内容。提供了包括多个路径的缓存，多个路径中的每路径包括数据阵列，其中由缓存所存储的数据项被存储在多个路径中的个路径的数据阵列中。缓存的路径追踪器具有