[ { "PublicDescription": "This event counts the number of memory ordering Machine Clears detected. Memory Ordering Machine Clears can result from memory disambiguation, external snoops, or cross SMT-HW-thread snoop (stores) hitting load buffers. Machine clears can have a significant performance impact if they are happening frequently.", "EventCode": "0xC3", "Counter": "0,1,2,3", "UMask": "0x2", "EventName": "MACHINE_CLEARS.MEMORY_ORDERING", "SampleAfterValue": "100003", "BriefDescription": "Counts the number of machine clears due to memory order conflicts.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x4", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_4", "MSRIndex": "0x3F6", "SampleAfterValue": "100003", "BriefDescription": "Loads with latency value being above 4 .", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x8", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_8", "MSRIndex": "0x3F6", "SampleAfterValue": "50021", "BriefDescription": "Loads with latency value being above 8.", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x10", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_16", "MSRIndex": "0x3F6", "SampleAfterValue": "20011", "BriefDescription": "Loads with latency value being above 16.", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x20", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_32", "MSRIndex": "0x3F6", "SampleAfterValue": "100007", "BriefDescription": "Loads with latency value being above 32.", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x40", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_64", "MSRIndex": "0x3F6", "SampleAfterValue": "2003", "BriefDescription": "Loads with latency value being above 64.", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x80", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_128", "MSRIndex": "0x3F6", "SampleAfterValue": "1009", "BriefDescription": "Loads with latency value being above 128.", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x100", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_256", "MSRIndex": "0x3F6", "SampleAfterValue": "503", "BriefDescription": "Loads with latency value being above 256.", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "MSRValue": "0x200", "Counter": "3", "UMask": "0x1", "EventName": "MEM_TRANS_RETIRED.LOAD_LATENCY_GT_512", "MSRIndex": "0x3F6", "SampleAfterValue": "101", "BriefDescription": "Loads with latency value being above 512.", "TakenAlone": "1", "CounterHTOff": "3" }, { "PEBS": "2", "EventCode": "0xCD", "Counter": "3", "UMask": "0x2", "EventName": "MEM_TRANS_RETIRED.PRECISE_STORE", "SampleAfterValue": "2000003", "BriefDescription": "Sample stores and collect precise store operation via PEBS record. PMC3 only. (Precise Event - PEBS).", "PRECISE_STORE": "1", "TakenAlone": "1", "CounterHTOff": "3" }, { "EventCode": "0x05", "Counter": "0,1,2,3", "UMask": "0x1", "EventName": "MISALIGN_MEM_REF.LOADS", "SampleAfterValue": "2000003", "BriefDescription": "Speculative cache line split load uops dispatched to L1 cache.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "EventCode": "0x05", "Counter": "0,1,2,3", "UMask": "0x2", "EventName": "MISALIGN_MEM_REF.STORES", "SampleAfterValue": "2000003", "BriefDescription": "Speculative cache line split STA uops dispatched to L1 cache.", "CounterHTOff": "0,1,2,3,4,5,6,7" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x3fffc20004", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_CODE_RD.LLC_MISS.ANY_RESPONSE", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all demand code reads that miss the LLC", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x600400004", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_CODE_RD.LLC_MISS.LOCAL_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all demand code reads that miss the LLC and the data returned from local dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x67f800004", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_CODE_RD.LLC_MISS.REMOTE_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all demand code reads that miss the LLC and the data returned from remote dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x87f820004", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_CODE_RD.LLC_MISS.REMOTE_HIT_FORWARD", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all demand code reads that miss the LLC and the data forwarded from remote cache", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x107fc00004", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_CODE_RD.LLC_MISS.REMOTE_HITM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all demand code reads that miss the LLC the data is found in M state in remote cache and forwarded from there", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x67fc00001", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_DATA_RD.LLC_MISS.ANY_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts demand data reads that miss the LLC and the data returned from remote & local dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x3fffc20001", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_DATA_RD.LLC_MISS.ANY_RESPONSE", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts demand data reads that miss in the LLC", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x600400001", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_DATA_RD.LLC_MISS.LOCAL_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts demand data reads that miss the LLC and the data returned from local dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x67f800001", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_DATA_RD.LLC_MISS.REMOTE_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts demand data reads that miss the LLC and the data returned from remote dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x87f820001", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_DATA_RD.LLC_MISS.REMOTE_HIT_FORWARD", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts demand data reads that miss the LLC and the data forwarded from remote cache", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x107fc00001", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.DEMAND_DATA_RD.LLC_MISS.REMOTE_HITM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts demand data reads that miss the LLC the data is found in M state in remote cache and forwarded from there", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x3fffc20040", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_L2_CODE_RD.LLC_MISS.ANY_RESPONSE", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all prefetch (that bring data to L2) code reads that miss the LLC and the data returned from remote & local dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x67fc00010", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_L2_DATA_RD.LLC_MISS.ANY_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts prefetch (that bring data to L2) data reads that miss the LLC and the data returned from remote & local dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x3fffc20010", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_L2_DATA_RD.LLC_MISS.ANY_RESPONSE", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts prefetch (that bring data to L2) data reads that miss in the LLC", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x600400010", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_L2_DATA_RD.LLC_MISS.LOCAL_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts prefetch (that bring data to L2) data reads that miss the LLC and the data returned from local dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x67f800010", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_L2_DATA_RD.LLC_MISS.REMOTE_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts prefetch (that bring data to L2) data reads that miss the LLC and the data returned from remote dram", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x87f820010", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_L2_DATA_RD.LLC_MISS.REMOTE_HIT_FORWARD", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts prefetch (that bring data to L2) data reads that miss the LLC and the data forwarded from remote cache", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x107fc00010", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_L2_DATA_RD.LLC_MISS.REMOTE_HITM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts prefetch (that bring data to L2) data reads that miss the LLC the data is found in M state in remote cache and forwarded from there", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x3fffc20200", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_LLC_CODE_RD.LLC_MISS.ANY_RESPONSE", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all prefetch (that bring data to LLC only) code reads that miss in the LLC", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x3fffc20080", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.PF_LLC_DATA_RD.LLC_MISS.ANY_RESPONSE", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts prefetch (that bring data to LLC only) data reads that hit in the LLC and the snoops sent to sibling cores return clean response", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x600400077", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.ALL_DEMAND_MLC_PREF_READS.LLC_MISS.LOCAL_DRAM", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "Counts all local dram accesses for all demand and L2 prefetches. LLC prefetches are excluded.", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x3FFFC20077", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.ALL_DEMAND_MLC_PREF_READS.LLC_MISS.ANY_RESPONSE", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "This event counts all LLC misses for all demand and L2 prefetches. LLC prefetches are excluded.", "CounterHTOff": "0,1,2,3" }, { "EventCode": "0xB7, 0xBB", "MSRValue": "0x187FC20077", "Counter": "0,1,2,3", "UMask": "0x1", "Offcore": "1", "EventName": "OFFCORE_RESPONSE.ALL_DEMAND_MLC_PREF_READS.LLC_MISS.REMOTE_HITM_HIT_FORWARD", "MSRIndex": "0x1a6,0x1a7", "SampleAfterValue": "100003", "BriefDescription": "This event counts all remote cache-to-cache transfers (includes HITM and HIT-Forward) for all demand and L2 prefetches. LLC prefetches are excluded.", "CounterHTOff": "0,1,2,3" } ]