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[
{
"MetricExpr": "100 * (stall_slot_frontend / (#slots * cpu_cycles))",
"BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the frontend of the processor.",
"DefaultMetricgroupName": "TopdownL1",
"MetricGroup": "Default;TopdownL1",
"MetricName": "frontend_bound",
"ScaleUnit": "1percent of slots"
},
{
"MetricExpr": "100 * ((1 - op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles)))",
"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.",
"DefaultMetricgroupName": "TopdownL1",
"MetricGroup": "Default;TopdownL1",
"MetricName": "bad_speculation",
"ScaleUnit": "1percent of slots"
},
{
"MetricExpr": "100 * ((op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles)))",
"BriefDescription": "This metric is the percentage of total slots that retired operations, which indicates cycles that were utilized efficiently.",
"DefaultMetricgroupName": "TopdownL1",
"MetricGroup": "Default;TopdownL1",
"MetricName": "retiring",
"ScaleUnit": "1percent of slots"
},
{
"MetricExpr": "100 * (stall_slot_backend / (#slots * cpu_cycles))",
"BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the backend of the processor.",
"DefaultMetricgroupName": "TopdownL1",
"MetricGroup": "Default;TopdownL1",
"MetricName": "backend_bound",
"ScaleUnit": "1percent of slots"
}
]
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