1 [
2 {
3 "MetricExpr": "100 * (stall_slot_frontend / (#slots * cpu_cycles))",
4 "BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the frontend of the processor.",
5 "DefaultMetricgroupName": "TopdownL1",
6 "MetricGroup": "Default;TopdownL1",
7 "MetricName": "frontend_bound",
8 "ScaleUnit": "1percent of slots"
9 },
10 {
11 "MetricExpr": "100 * ((1 - op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles)))",
12 "BriefDescription": "This metric is the percentage of total slots that executed operations and didn't retire due to a pipeline flush.\nThis indicates cycles that were utilized but inefficiently.",
13 "DefaultMetricgroupName": "TopdownL1",
14 "MetricGroup": "Default;TopdownL1",
15 "MetricName": "bad_speculation",
16 "ScaleUnit": "1percent of slots"
17 },
18 {
19 "MetricExpr": "100 * ((op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles)))",
20 "BriefDescription": "This metric is the percentage of total slots that retired operations, which indicates cycles that were utilized efficiently.",
21 "DefaultMetricgroupName": "TopdownL1",
22 "MetricGroup": "Default;TopdownL1",
23 "MetricName": "retiring",
24 "ScaleUnit": "1percent of slots"
25 },
26 {
27 "MetricExpr": "100 * (stall_slot_backend / (#slots * cpu_cycles))",
28 "BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the backend of the processor.",
29 "DefaultMetricgroupName": "TopdownL1",
30 "MetricGroup": "Default;TopdownL1",
31 "MetricName": "backend_bound",
32 "ScaleUnit": "1percent of slots"
33 }
34 ]
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