1[
2    {
3        "BriefDescription": "Number of requests allocated in Coherency Tracker.",
4        "EventCode": "0x84",
5        "EventName": "UNC_ARB_COH_TRK_REQUESTS.ALL",
6        "PerPkg": "1",
7        "UMask": "0x1",
8        "Unit": "ARB"
9    },
10    {
11        "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.",
12        "EventCode": "0x80",
13        "EventName": "UNC_ARB_TRK_OCCUPANCY.ALL",
14        "PerPkg": "1",
15        "UMask": "0x1",
16        "Unit": "ARB"
17    },
18    {
19        "BriefDescription": "Counts the number of coherent and in-coherent requests initiated by IA cores, processor graphic units, or LLC.",
20        "EventCode": "0x81",
21        "EventName": "UNC_ARB_TRK_REQUESTS.ALL",
22        "PerPkg": "1",
23        "UMask": "0x1",
24        "Unit": "ARB"
25    }
26]
27