[
    {
        "BriefDescription": "Number of requests allocated in Coherency Tracker.",
        "EventCode": "0x84",
        "EventName": "UNC_ARB_COH_TRK_REQUESTS.ALL",
        "PerPkg": "1",
        "UMask": "0x1",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Each cycle counts number of any coherent request at memory controller that were issued by any core.",
        "EventCode": "0x85",
        "EventName": "UNC_ARB_DAT_OCCUPANCY.ALL",
        "PerPkg": "1",
        "UMask": "0x1",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Each cycle counts number of coherent reads pending on data return from memory controller that were issued by any core.",
        "EventCode": "0x85",
        "EventName": "UNC_ARB_DAT_OCCUPANCY.RD",
        "PerPkg": "1",
        "UMask": "0x2",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "This event is deprecated. Refer to new event UNC_ARB_REQ_TRK_REQUEST.DRD",
        "Deprecated": "1",
        "EventCode": "0x81",
        "EventName": "UNC_ARB_DAT_REQUESTS.RD",
        "PerPkg": "1",
        "UMask": "0x2",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "This event is deprecated. Refer to new event UNC_ARB_DAT_OCCUPANCY.ALL",
        "Deprecated": "1",
        "EventCode": "0x85",
        "EventName": "UNC_ARB_IFA_OCCUPANCY.ALL",
        "PerPkg": "1",
        "UMask": "0x1",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Each cycle count number of 'valid' coherent Data Read entries . Such entry is defined as valid when it is allocated till deallocation. Doesn't include prefetches [This event is alias to UNC_ARB_TRK_OCCUPANCY.RD]",
        "EventCode": "0x80",
        "EventName": "UNC_ARB_REQ_TRK_OCCUPANCY.DRD",
        "PerPkg": "1",
        "UMask": "0x2",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Number of all coherent Data Read entries. Doesn't include prefetches [This event is alias to UNC_ARB_TRK_REQUESTS.RD]",
        "EventCode": "0x81",
        "EventName": "UNC_ARB_REQ_TRK_REQUEST.DRD",
        "PerPkg": "1",
        "UMask": "0x2",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Each cycle counts number of all outgoing valid entries in ReqTrk. Such entry is defined as valid from its allocation in ReqTrk till deallocation. Accounts for Coherent and non-coherent traffic.",
        "EventCode": "0x80",
        "EventName": "UNC_ARB_TRK_OCCUPANCY.ALL",
        "PerPkg": "1",
        "UMask": "0x1",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Each cycle count number of 'valid' coherent Data Read entries . Such entry is defined as valid when it is allocated till deallocation. Doesn't include prefetches [This event is alias to UNC_ARB_REQ_TRK_OCCUPANCY.DRD]",
        "EventCode": "0x80",
        "EventName": "UNC_ARB_TRK_OCCUPANCY.RD",
        "PerPkg": "1",
        "UMask": "0x2",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Counts the number of coherent and in-coherent requests initiated by IA cores, processor graphic units, or LLC.",
        "EventCode": "0x81",
        "EventName": "UNC_ARB_TRK_REQUESTS.ALL",
        "PerPkg": "1",
        "UMask": "0x1",
        "Unit": "ARB"
    },
    {
        "BriefDescription": "Number of all coherent Data Read entries. Doesn't include prefetches [This event is alias to UNC_ARB_REQ_TRK_REQUEST.DRD]",
        "EventCode": "0x81",
        "EventName": "UNC_ARB_TRK_REQUESTS.RD",
        "PerPkg": "1",
        "UMask": "0x2",
        "Unit": "ARB"
    }
]