tools/perf/pmu-events/arch/x86/graniterapids/gnr-metrics.json

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

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/graniterapids/gnr-metrics.json
Extension
.json
Size
192124 bytes
Lines
2411
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": "C1 residency percent per core",
        "MetricExpr": "cstate_core@c1\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C1_Core_Residency",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "C2 residency percent per package",
        "MetricExpr": "cstate_pkg@c2\\-residency@ / msr@tsc@",
        "MetricGroup": "Power",
        "MetricName": "C2_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": "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": "The average number of cores that are in cstate C0 as observed by the power control unit (PCU)",
        "MetricExpr": "UNC_P_POWER_STATE_OCCUPANCY_CORES_C0 / pcu_0@UNC_P_CLOCKTICKS@ * #num_packages",
        "MetricGroup": "cpu_cstate",
        "MetricName": "cpu_cstate_c0"
    },
    {
        "BriefDescription": "The average number of cores are in cstate C6 as observed by the power control unit (PCU)",
        "MetricExpr": "UNC_P_POWER_STATE_OCCUPANCY_CORES_C6 / pcu_0@UNC_P_CLOCKTICKS@ * #num_packages",
        "MetricGroup": "cpu_cstate",
        "MetricName": "cpu_cstate_c6"
    },
    {
        "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",
        "MetricExpr": "tma_info_system_cpus_utilized",
        "MetricName": "cpu_utilization",
        "ScaleUnit": "100%"
    },
    {
        "BriefDescription": "Ratio of number of completed page walks (for all page sizes) caused by demand data loads to the total number of completed instructions",
        "MetricExpr": "DTLB_LOAD_MISSES.WALK_COMPLETED / INST_RETIRED.ANY",
        "MetricName": "dtlb_2nd_level_load_mpi",
        "PublicDescription": "Ratio of number of completed page walks (for all page sizes) caused by demand data loads to the total number of completed instructions. This implies it missed in the DTLB and further levels of TLB",

Annotation

Implementation Notes