[ { "BitName": "DEMAND_DATA_RD", "BitIndex": "0", "Type": "1", "Description": "Counts demand cacheable data reads of full cache lines", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "DEMAND_RFO", "BitIndex": "1", "Type": "1", "Description": "Counts demand reads for ownership (RFO) requests generated by a write to full data cache line", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "DEMAND_CODE_RD", "BitIndex": "2", "Type": "1", "Description": "Counts demand instruction cacheline and I-side prefetch requests that miss the instruction cache", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "COREWB", "BitIndex": "3", "Type": "1", "Description": "Counts the number of writeback transactions caused by L1 or L2 cache evictions", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "PF_L2_DATA_RD", "BitIndex": "4", "Type": "1", "Description": "Counts data cacheline reads generated by hardware L2 cache prefetcher", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "PF_L2_RFO", "BitIndex": "5", "Type": "1", "Description": "Counts reads for ownership (RFO) requests generated by L2 cache prefetcher", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "PARTIAL_READS", "BitIndex": "7", "Type": "1", "Description": "Counts demand data partial reads, including data in uncacheable (UC) or uncacheable write combining (USWC) memory types", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "PARTIAL_WRITES", "BitIndex": "8", "Type": "1", "Description": "Counts the number of demand write requests (RFO) generated by a write to partial data cache line, including the writes to uncacheable (UC) and write through (WT), and write protected (WP) types of memory", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "BUS_LOCKS", "BitIndex": "10", "Type": "1", "Description": "Counts bus lock and split lock requests", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "FULL_STREAMING_STORES", "BitIndex": "11", "Type": "1", "Description": "Counts full cache line data writes to uncacheable write combining (USWC) memory region and full cache-line non-temporal writes", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "SW_PREFETCH", "BitIndex": "12", "Type": "1", "Description": "Counts data cache lines requests by software prefetch instructions", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "PF_L1_DATA_RD", "BitIndex": "13", "Type": "1", "Description": "Counts data cache line reads generated by hardware L1 data cache prefetcher", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "PARTIAL_STREAMING_STORES", "BitIndex": "14", "Type": "1", "Description": "Counts partial cache line data writes to uncacheable write combining (USWC) memory region", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "STREAMING_STORES", "BitIndex": "11,14", "Type": "1", "Description": "Counts any data writes to uncacheable write combining (USWC) memory region", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "ANY_REQUEST", "BitIndex": "15", "Type": "1", "Description": "Counts requests to the uncore subsystem", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "ANY_PF_DATA_RD", "BitIndex": "4,12,13", "Type": "1", "Description": "Counts data reads generated by L1 or L2 prefetchers", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "ANY_DATA_RD", "BitIndex": "0,4,7,12,13", "Type": "1", "Description": "Counts data reads (demand & prefetch)", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "ANY_RFO", "BitIndex": "1,5", "Type": "1", "Description": "Counts reads for ownership (RFO) requests (demand & prefetch)", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "ANY_READ", "BitIndex": "0,1,2,4,5,7,9,12,13", "Type": "1", "Description": "Counts data read, code read, and read for ownership (RFO) requests (demand & prefetch)", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "ANY_RESPONSE", "BitIndex": "16", "Type": "2", "Description": "have any transaction responses from the uncore subsystem.", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "L2_HIT", "BitIndex": "18", "Type": "2", "Description": "hit the L2 cache.", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "L2_MISS.SNOOP_MISS_OR_NO_SNOOP_NEEDED", "BitIndex": "33", "Type": "2", "Description": "true miss for the L2 cache with a snoop miss in the other processor module. ", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "L2_MISS.HIT_OTHER_CORE_NO_FWD", "BitIndex": "34", "Type": "2", "Description": "miss the L2 cache with a snoop hit in the other processor module, no data forwarding is required.", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "L2_MISS.HITM_OTHER_CORE", "BitIndex": "36", "Type": "2", "Description": "miss the L2 cache with a snoop hit in the other processor module, data forwarding is required.", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "L2_MISS.NON_DRAM", "BitIndex": "37", "Type": "2", "Description": "miss the L2 cache and targets non-DRAM system address.", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "L2_MISS.ANY", "BitIndex": "33,34,36,37", "Type": "2", "Description": "miss the L2 cache.", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "OUTSTANDING", "BitIndex": "38", "Type": "2", "Description": "outstanding, per cycle, from the time of the L2 miss to when any response is received.", "MATRIX_REG": "0", "BitsNotCombinedWith": "", "Errata": "na" }, { "BitName": "UC_CODE_RD", "BitIndex": "9", "Type": "1", "Description": "Counts code reads in uncacheable (UC) memory region", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "na", "Errata": "na" }, { "BitName": "PF_L2_CODE", "BitIndex": "6", "Type": "1", "Description": "Counts code(instruction) requests generated by L2 cache prefetcher", "MATRIX_REG": "0,1", "BitsNotCombinedWith": "na", "Errata": "na" } ]