1[
2  {
3    "EventName": "de_op_queue_empty",
4    "EventCode": "0xa9",
5    "BriefDescription": "Cycles where the op queue is empty. Such cycles indicate that the front-end is not delivering instructions fast enough."
6  },
7  {
8    "EventName": "de_src_op_disp.x86_decoder",
9    "EventCode": "0xaa",
10    "BriefDescription": "Ops dispatched from x86 decoder.",
11    "UMask": "0x01"
12  },
13  {
14    "EventName": "de_src_op_disp.op_cache",
15    "EventCode": "0xaa",
16    "BriefDescription": "Ops dispatched from op cache.",
17    "UMask": "0x02"
18  },
19  {
20    "EventName": "de_src_op_disp.all",
21    "EventCode": "0xaa",
22    "BriefDescription": "Ops dispatched from any source.",
23    "UMask": "0x07"
24  },
25  {
26    "EventName": "de_dis_ops_from_decoder.any_fp_dispatch",
27    "EventCode": "0xab",
28    "BriefDescription": "Number of ops dispatched to the floating-point unit.",
29    "UMask": "0x04"
30  },
31  {
32    "EventName": "de_dis_ops_from_decoder.any_integer_dispatch",
33    "EventCode": "0xab",
34    "BriefDescription": "Number of ops dispatched to the integer execution unit.",
35    "UMask": "0x08"
36  },
37  {
38    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part1.int_phy_reg_file_rsrc_stall",
39    "EventCode": "0xae",
40    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to an integer physical register file resource stall.",
41    "UMask": "0x01"
42  },
43  {
44    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part1.load_queue_rsrc_stall",
45    "EventCode": "0xae",
46    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a lack of load queue tokens.",
47    "UMask": "0x02"
48  },
49  {
50    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part1.store_queue_rsrc_stall",
51    "EventCode": "0xae",
52    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a lack of store queue tokens.",
53    "UMask": "0x04"
54  },
55  {
56    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part1.taken_brnch_buffer_rsrc",
57    "EventCode": "0xae",
58    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a taken branch buffer resource stall.",
59    "UMask": "0x10"
60  },
61  {
62    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part1.fp_sch_rsrc_stall",
63    "EventCode": "0xae",
64    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a floating-point non-schedulable queue token stall.",
65    "UMask": "0x40"
66  },
67  {
68    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part2.al_tokens",
69    "EventCode": "0xaf",
70    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to unavailability of ALU tokens.",
71    "UMask": "0x01"
72  },
73  {
74    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part2.ag_tokens",
75    "EventCode": "0xaf",
76    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to unavailability of agen tokens.",
77    "UMask": "0x02"
78  },
79  {
80    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part2.ex_flush_recovery",
81    "EventCode": "0xaf",
82    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a pending integer execution flush recovery.",
83    "UMask": "0x04"
84  },
85  {
86    "EventName": "de_dispatch_stall_cycle_dynamic_tokens_part2.retq",
87    "EventCode": "0xaf",
88    "BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to unavailability of retire queue tokens.",
89    "UMask": "0x20"
90  },
91  {
92    "EventName": "de_no_dispatch_per_slot.no_ops_from_frontend",
93    "EventCode": "0x1a0",
94    "BriefDescription": "In each cycle counts dispatch slots left empty because the front-end did not supply ops.",
95    "UMask": "0x01"
96  },
97  {
98    "EventName": "de_no_dispatch_per_slot.backend_stalls",
99    "EventCode": "0x1a0",
100    "BriefDescription": "In each cycle counts ops unable to dispatch because of back-end stalls.",
101    "UMask": "0x1e"
102  },
103  {
104    "EventName": "de_no_dispatch_per_slot.smt_contention",
105    "EventCode": "0x1a0",
106    "BriefDescription": "In each cycle counts ops unable to dispatch because the dispatch cycle was granted to the other SMT thread.",
107    "UMask": "0x60"
108  },
109  {
110    "EventName": "de_additional_resource_stalls.dispatch_stalls",
111    "EventCode": "0x1a2",
112    "BriefDescription": "Counts additional cycles where dispatch is stalled due to a lack of dispatch resources.",
113    "UMask": "0x30"
114  }
115]
116