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 any coherent request at memory controller that were issued by any core.",
12        "EventCode": "0x85",
13        "EventName": "UNC_ARB_DAT_OCCUPANCY.ALL",
14        "PerPkg": "1",
15        "UMask": "0x1",
16        "Unit": "ARB"
17    },
18    {
19        "BriefDescription": "Each cycle counts number of coherent reads pending on data return from memory controller that were issued by any core.",
20        "EventCode": "0x85",
21        "EventName": "UNC_ARB_DAT_OCCUPANCY.RD",
22        "PerPkg": "1",
23        "UMask": "0x2",
24        "Unit": "ARB"
25    },
26    {
27        "BriefDescription": "This event is deprecated. Refer to new event UNC_ARB_REQ_TRK_REQUEST.DRD",
28        "EventCode": "0x81",
29        "EventName": "UNC_ARB_DAT_REQUESTS.RD",
30        "PerPkg": "1",
31        "UMask": "0x2",
32        "Unit": "ARB"
33    },
34    {
35        "BriefDescription": "This event is deprecated. Refer to new event UNC_ARB_DAT_OCCUPANCY.ALL",
36        "EventCode": "0x85",
37        "EventName": "UNC_ARB_IFA_OCCUPANCY.ALL",
38        "PerPkg": "1",
39        "UMask": "0x1",
40        "Unit": "ARB"
41    },
42    {
43        "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]",
44        "EventCode": "0x80",
45        "EventName": "UNC_ARB_REQ_TRK_OCCUPANCY.DRD",
46        "PerPkg": "1",
47        "UMask": "0x2",
48        "Unit": "ARB"
49    },
50    {
51        "BriefDescription": "Number of all coherent Data Read entries. Doesn't include prefetches [This event is alias to UNC_ARB_TRK_REQUESTS.RD]",
52        "EventCode": "0x81",
53        "EventName": "UNC_ARB_REQ_TRK_REQUEST.DRD",
54        "PerPkg": "1",
55        "UMask": "0x2",
56        "Unit": "ARB"
57    },
58    {
59        "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.",
60        "EventCode": "0x80",
61        "EventName": "UNC_ARB_TRK_OCCUPANCY.ALL",
62        "PerPkg": "1",
63        "UMask": "0x1",
64        "Unit": "ARB"
65    },
66    {
67        "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]",
68        "EventCode": "0x80",
69        "EventName": "UNC_ARB_TRK_OCCUPANCY.RD",
70        "PerPkg": "1",
71        "UMask": "0x2",
72        "Unit": "ARB"
73    },
74    {
75        "BriefDescription": "Counts the number of coherent and in-coherent requests initiated by IA cores, processor graphic units, or LLC.",
76        "EventCode": "0x81",
77        "EventName": "UNC_ARB_TRK_REQUESTS.ALL",
78        "PerPkg": "1",
79        "UMask": "0x1",
80        "Unit": "ARB"
81    },
82    {
83        "BriefDescription": "Number of all coherent Data Read entries. Doesn't include prefetches [This event is alias to UNC_ARB_REQ_TRK_REQUEST.DRD]",
84        "EventCode": "0x81",
85        "EventName": "UNC_ARB_TRK_REQUESTS.RD",
86        "PerPkg": "1",
87        "UMask": "0x2",
88        "Unit": "ARB"
89    }
90]
91