tools/perf/pmu-events/arch/arm64/arm/cortex-a75/mmu.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/arm64/arm/cortex-a75/mmu.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/arm64/arm/cortex-a75/mmu.json
Extension
.json
Size
2262 bytes
Lines
45
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": "Duration of a translation table walk handled by the MMU",
        "EventCode": "0xE0",
        "EventName": "MMU_PTW",
        "BriefDescription": "Duration of a translation table walk handled by the MMU"
    },
    {
        "PublicDescription": "Duration of a Stage 1 translation table walk handled by the MMU. This event is not counted when it is accessible from Non-secure EL0 or EL1",
        "EventCode": "0xE1",
        "EventName": "MMU_PTW_ST1",
        "BriefDescription": "Duration of a Stage 1 translation table walk handled by the MMU. This event is not counted when it is accessible from Non-secure EL0 or EL1"
    },
    {
        "PublicDescription": "Duration of a Stage 2 translation table walk handled by the MMU. This event is not counted when it is accessible from Non-secure EL0 or EL1",
        "EventCode": "0xE2",
        "EventName": "MMU_PTW_ST2",
        "BriefDescription": "Duration of a Stage 2 translation table walk handled by the MMU. This event is not counted when it is accessible from Non-secure EL0 or EL1"
    },
    {
        "PublicDescription": "Duration of a translation table walk requested by the LSU",
        "EventCode": "0xE3",
        "EventName": "MMU_PTW_LSU",
        "BriefDescription": "Duration of a translation table walk requested by the LSU"
    },
    {
        "PublicDescription": "Duration of a translation table walk requested by the instruction side",
        "EventCode": "0xE4",
        "EventName": "MMU_PTW_ISIDE",
        "BriefDescription": "Duration of a translation table walk requested by the instruction side"
    },
    {
        "PublicDescription": "Duration of a translation table walk requested by a Preload instruction or Prefetch request",
        "EventCode": "0xE5",
        "EventName": "MMU_PTW_PLD",
        "BriefDescription": "Duration of a translation table walk requested by a Preload instruction or Prefetch request"
    },
    {
        "PublicDescription": "Duration of a translation table walk requested by an address translation operation",
        "EventCode": "0xE6",
        "EventName": "MMU_PTW_CP15",
        "BriefDescription": "Duration of a translation table walk requested by an address translation operation"
    }
]

Annotation

Implementation Notes