tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json
Extension
.json
Size
113609 bytes
Lines
1416
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

[
    {
        "BriefDescription": "C2 residency percent per package",
        "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C2_Pkg_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "C3 residency percent per core",
        "MetricExpr": "cstate_core@c3\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C3_Core_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "C3 residency percent per package",
        "MetricExpr": "cstate_pkg@c3\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C3_Pkg_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "C6 residency percent per core",
        "MetricExpr": "cstate_core@c6\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C6_Core_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "C6 residency percent per package",
        "MetricExpr": "cstate_pkg@c6\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C6_Pkg_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "C7 residency percent per core",
        "MetricExpr": "cstate_core@c7\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C7_Core_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "C7 residency percent per package",
        "MetricExpr": "cstate_pkg@c7\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C7_Pkg_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "Uncore frequency per die [GHZ]",
        "MetricExpr": "tma_info_system_socket_clks / #num_dies / duration_time / 1e9",
        "MetricGroup": "SoC",
        "MetricName": "UNCORE_FREQ"
    },
    {
        "BriefDescription": "Cycles per instruction retired; indicating how much time each executed instruction took; in units of cycles",
        "MetricExpr": "CPU_CLK_UNHALTED.THREAD / INST_RETIRED.ANY",
        "MetricName": "cpi",
        "ScaleUnit": "1per_instr"
    },
    {
        "BriefDescription": "CPU operating frequency (in GHz)",
        "MetricExpr": "CPU_CLK_UNHALTED.THREAD / CPU_CLK_UNHALTED.REF_TSC * #SYSTEM_TSC_FREQ / 1e9",
        "MetricName": "cpu_operating_frequency",
        "ScaleUnit": "1GHz"
    },
    {
        "BriefDescription": "Percentage of time spent in the active CPU power state C0",

Annotation

Implementation Notes