# Performance Monitoring Events for the Third Generation Intel Core Processors Based on the Ivy Bridge Microarchitecture - V21 # 2/28/2018 4:20:34 PM # Copyright (c) 2007 - 2017 Intel Corporation. All rights reserved. BitName BitIndex Type Description MATRIX_REG BitsNotCombinedWith Errata DEMAND_DATA_RD 0 1 Counts demand data reads 0,1 na DEMAND_RFO 1 1 Counts all demand data writes (RFOs) 0,1 na DEMAND_CODE_RD 2 1 Counts all demand code reads 0,1 na COREWB 3 1 Counts core writebacks due to L2 evictions or L1 writeback requests 0,1 na PF_L2_DATA_RD 4 1 Counts prefetch (that bring data to L2) data reads 0,1 na PF_L2_RFO 5 1 Counts all prefetch (that bring data to L2) RFOs 0,1 na PF_L2_CODE_RD 6 1 Counts all prefetch (that bring data to LLC only) code reads 0,1 na PF_LLC_DATA_RD 7 1 Counts all prefetch (that bring data to LLC only) data reads 0,1 na PF_LLC_RFO 8 1 Counts all prefetch (that bring data to LLC only) RFOs 0,1 na PF_LLC_CODE_RD 9 1 Counts prefetch (that bring data to LLC only) code reads 0,1 na OTHER 15 1 Counts any other requests 0,1 na ALL_PF_DATA_RD 4,7 1 Counts all prefetch data reads 0,1 na ALL_PF_RFO 5,8 1 Counts prefetch RFOs 0,1 na ALL_PF_CODE_RD 6,9 1 Counts all prefetch code reads 0,1 na ALL_DATA_RD 0,4,7 1 Counts all demand & prefetch data reads 0,1 na ALL_RFO 1,5,8 1 Counts all demand & prefetch RFOs 0,1 na ALL_CODE_RD 2,6,9 1 Counts all demand & prefetch code reads 0,1 na ALL_READS 0,1,2,4,5,6,7,8,9 1 Counts all data/code/rfo reads (demand & prefetch) 0,1 na ALL_REQUESTS 0,1,2,3,4,5,6,7,8,9,10,11,15 1 Counts all requests 0,1 na ANY_RESPONSE 16 2 have any response type. 0,1 na SUPPLIER_NONE 17 3 0,1 na LLC_HIT_M 18 3 0,1 na LLC_HIT_E 19 3 0,1 na LLC_HIT_S 20 3 0,1 na LLC_HIT_F 21 3 0,1 na LLC_HIT 18,19,20,21 3 0,1 na L3_MISS_LOCAL_DRAM 22 3 0,1 na L3_MISS_REMOTE_DRAM 22,23,24,25,26,27,28,29,30 3 0,1 na SNOOP_NONE 31 4 0,1 na SNOOP_NOT_NEEDED 32 4 0,1 na SNOOP_MISS 33 4 0,1 na SNOOP_HIT_NO_FWD 34 4 0,1 na SNOOP_HIT_WITH_FWD 35 4 0,1 18,19,20,21 na SNOOP_HITM 36 4 0,1 na SNOOP_NON_DRAM 37 4 0,1 na ANY_SNOOP 31,32,33,34,35,36,37 4 0,1 na