tools/perf/pmu-events/arch/arm64/ampere/ampereonex/core-imp-def.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/arm64/ampere/ampereonex/core-imp-def.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/arm64/ampere/ampereonex/core-imp-def.json
Extension
.json
Size
18592 bytes
Lines
465
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

[
    {
        "PublicDescription": "Level 2 prefetch requests, refilled to L2 cache",
        "EventCode": "0x10A",
        "EventName": "L2_PREFETCH_REFILL",
        "BriefDescription": "Level 2 prefetch requests, refilled to L2 cache"
    },
    {
        "PublicDescription": "Level 2 prefetch requests, late",
        "EventCode": "0x10B",
        "EventName": "L2_PREFETCH_UPGRADE",
        "BriefDescription": "Level 2 prefetch requests, late"
    },
    {
        "PublicDescription": "Predictable branch speculatively executed that hit any level of BTB",
        "EventCode": "0x110",
        "EventName": "BPU_HIT_BTB",
        "BriefDescription": "Predictable branch speculatively executed that hit any level of BTB"
    },
    {
        "PublicDescription": "Predictable conditional branch speculatively executed that hit any level of BTB",
        "EventCode": "0x111",
        "EventName": "BPU_CONDITIONAL_BRANCH_HIT_BTB",
        "BriefDescription": "Predictable conditional branch speculatively executed that hit any level of BTB"
    },
    {
        "PublicDescription": "Predictable taken branch speculatively executed that hit any level of BTB that access the indirect predictor",
        "EventCode": "0x112",
        "EventName": "BPU_HIT_INDIRECT_PREDICTOR",
        "BriefDescription": "Predictable taken branch speculatively executed that hit any level of BTB that access the indirect predictor"
    },
    {
        "PublicDescription": "Predictable taken branch speculatively executed that hit any level of BTB that access the return predictor",
        "EventCode": "0x113",
        "EventName": "BPU_HIT_RSB",
        "BriefDescription": "Predictable taken branch speculatively executed that hit any level of BTB that access the return predictor"
    },
    {
        "PublicDescription": "Predictable unconditional branch speculatively executed that did not hit any level of BTB",
        "EventCode": "0x114",
        "EventName": "BPU_UNCONDITIONAL_BRANCH_MISS_BTB",
        "BriefDescription": "Predictable unconditional branch speculatively executed that did not hit any level of BTB"
    },
    {
        "PublicDescription": "Predictable branch speculatively executed, unpredicted",
        "EventCode": "0x115",
        "EventName": "BPU_BRANCH_NO_HIT",
        "BriefDescription": "Predictable branch speculatively executed, unpredicted"
    },
    {
        "PublicDescription": "Predictable branch speculatively executed that hit any level of BTB that mispredict",
        "EventCode": "0x116",
        "EventName": "BPU_HIT_BTB_AND_MISPREDICT",
        "BriefDescription": "Predictable branch speculatively executed that hit any level of BTB that mispredict"
    },
    {
        "PublicDescription": "Predictable conditional branch speculatively executed that hit any level of BTB that (direction) mispredict",
        "EventCode": "0x117",
        "EventName": "BPU_CONDITIONAL_BRANCH_HIT_BTB_AND_MISPREDICT",
        "BriefDescription": "Predictable conditional branch speculatively executed that hit any level of BTB that (direction) mispredict"
    },
    {
        "PublicDescription": "Predictable taken branch speculatively executed that hit any level of BTB that access the indirect predictor that mispredict",
        "EventCode": "0x118",
        "EventName": "BPU_INDIRECT_BRANCH_HIT_BTB_AND_MISPREDICT",
        "BriefDescription": "Predictable taken branch speculatively executed that hit any level of BTB that access the indirect predictor that mispredict"
    },
    {
        "PublicDescription": "Predictable taken branch speculatively executed that hit any level of BTB that access the return predictor that mispredict",
        "EventCode": "0x119",

Annotation

Implementation Notes