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[
{
"BriefDescription": "Cycles weighted by number of requests pending in Coherency Tracker.",
"EventCode": "0x83",
"EventName": "UNC_ARB_COH_TRK_OCCUPANCY.ALL",
"PerPkg": "1",
"UMask": "0x1",
"Unit": "ARB"
},
{
"BriefDescription": "Number of requests allocated in Coherency Tracker.",
"EventCode": "0x84",
"EventName": "UNC_ARB_COH_TRK_REQUESTS.ALL",
"PerPkg": "1",
"UMask": "0x1",
"Unit": "ARB"
},
{
"BriefDescription": "Counts cycles weighted by the number of requests waiting for data returning from the memory controller. Accounts for coherent and non-coherent requests initiated by IA cores, processor graphic units, or LLC.",
"EventCode": "0x80",
"EventName": "UNC_ARB_TRK_OCCUPANCY.ALL",
"PerPkg": "1",
"UMask": "0x1",
"Unit": "ARB"
},
{
"BriefDescription": "Cycles with at least half of the requests outstanding are waiting for data return from memory controller. Account for coherent and non-coherent requests initiated by IA Cores, Processor Graphics Unit, or LLC.",
"CounterMask": "10",
"EventCode": "0x80",
"EventName": "UNC_ARB_TRK_OCCUPANCY.CYCLES_OVER_HALF_FULL",
"PerPkg": "1",
"UMask": "0x1",
"Unit": "ARB"
},
{
"BriefDescription": "Cycles with at least one request outstanding is waiting for data return from memory controller. Account for coherent and non-coherent requests initiated by IA Cores, Processor Graphics Unit, or LLC.",
"CounterMask": "1",
"EventCode": "0x80",
"EventName": "UNC_ARB_TRK_OCCUPANCY.CYCLES_WITH_ANY_REQUEST",
"PerPkg": "1",
"UMask": "0x1",
"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": "Counts the number of LLC evictions allocated.",
"EventCode": "0x81",
"EventName": "UNC_ARB_TRK_REQUESTS.EVICTIONS",
"PerPkg": "1",
"UMask": "0x80",
"Unit": "ARB"
},
{
"BriefDescription": "Counts the number of allocated write entries, include full, partial, and LLC evictions.",
"EventCode": "0x81",
"EventName": "UNC_ARB_TRK_REQUESTS.WRITES",
"PerPkg": "1",
"UMask": "0x20",
"Unit": "ARB"
},
{
"BriefDescription": "This 48-bit fixed counter counts the UCLK cycles.",
"EventCode": "0xff",
"EventName": "UNC_CLOCK.SOCKET",
"PerPkg": "1",
"Unit": "ARB"
}
]
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