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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]35