[
    {
        "MetricExpr": "stall_slot_frontend / (#slots * cpu_cycles)",
        "BriefDescription": "Frontend bound L1 topdown metric",
        "DefaultMetricgroupName": "TopdownL1",
        "MetricGroup": "Default;TopdownL1",
        "MetricName": "frontend_bound",
        "ScaleUnit": "100%"
    },
    {
        "MetricExpr": "(1 - op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles))",
        "BriefDescription": "Bad speculation L1 topdown metric",
        "DefaultMetricgroupName": "TopdownL1",
        "MetricGroup": "Default;TopdownL1",
        "MetricName": "bad_speculation",
        "ScaleUnit": "100%"
    },
    {
        "MetricExpr": "(op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles))",
        "BriefDescription": "Retiring L1 topdown metric",
        "DefaultMetricgroupName": "TopdownL1",
        "MetricGroup": "Default;TopdownL1",
        "MetricName": "retiring",
        "ScaleUnit": "100%"
    },
    {
        "MetricExpr": "stall_slot_backend / (#slots * cpu_cycles)",
        "BriefDescription": "Backend Bound L1 topdown metric",
        "DefaultMetricgroupName": "TopdownL1",
        "MetricGroup": "Default;TopdownL1",
        "MetricName": "backend_bound",
        "ScaleUnit": "100%"
    }
]