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        "Deprecated": "1",
29        "EventCode": "0x81",
30        "EventName": "UNC_ARB_DAT_REQUESTS.RD",
31        "PerPkg": "1",
32        "UMask": "0x2",
33        "Unit": "ARB"
34    },
35    {
36        "BriefDescription": "This event is deprecated. Refer to new event UNC_ARB_DAT_OCCUPANCY.ALL",
37        "Deprecated": "1",
38        "EventCode": "0x85",
39        "EventName": "UNC_ARB_IFA_OCCUPANCY.ALL",
40        "PerPkg": "1",
41        "UMask": "0x1",
42        "Unit": "ARB"
43    },
44    {
45        "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]",
46        "EventCode": "0x80",
47        "EventName": "UNC_ARB_REQ_TRK_OCCUPANCY.DRD",
48        "PerPkg": "1",
49        "UMask": "0x2",
50        "Unit": "ARB"
51    },
52    {
53        "BriefDescription": "Number of all coherent Data Read entries. Doesn't include prefetches [This event is alias to UNC_ARB_TRK_REQUESTS.RD]",
54        "EventCode": "0x81",
55        "EventName": "UNC_ARB_REQ_TRK_REQUEST.DRD",
56        "PerPkg": "1",
57        "UMask": "0x2",
58        "Unit": "ARB"
59    },
60    {
61        "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.",
62        "EventCode": "0x80",
63        "EventName": "UNC_ARB_TRK_OCCUPANCY.ALL",
64        "PerPkg": "1",
65        "UMask": "0x1",
66        "Unit": "ARB"
67    },
68    {
69        "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]",
70        "EventCode": "0x80",
71        "EventName": "UNC_ARB_TRK_OCCUPANCY.RD",
72        "PerPkg": "1",
73        "UMask": "0x2",
74        "Unit": "ARB"
75    },
76    {
77        "BriefDescription": "Counts the number of coherent and in-coherent requests initiated by IA cores, processor graphic units, or LLC.",
78        "EventCode": "0x81",
79        "EventName": "UNC_ARB_TRK_REQUESTS.ALL",
80        "PerPkg": "1",
81        "UMask": "0x1",
82        "Unit": "ARB"
83    },
84    {
85        "BriefDescription": "Number of all coherent Data Read entries. Doesn't include prefetches [This event is alias to UNC_ARB_REQ_TRK_REQUEST.DRD]",
86        "EventCode": "0x81",
87        "EventName": "UNC_ARB_TRK_REQUESTS.RD",
88        "PerPkg": "1",
89        "UMask": "0x2",
90        "Unit": "ARB"
91    }
92]
93