tools/perf/pmu-events/arch/x86/meteorlake/pipeline.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/x86/meteorlake/pipeline.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/meteorlake/pipeline.json
Extension
.json
Size
92399 bytes
Lines
1939
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": "Counts the number of cycles when any of the floating point or integer dividers are active.",
        "Counter": "0,1,2,3,4,5,6,7",
        "CounterMask": "1",
        "EventCode": "0xcd",
        "EventName": "ARITH.DIV_ACTIVE",
        "SampleAfterValue": "1000003",
        "UMask": "0x3",
        "Unit": "cpu_atom"
    },
    {
        "BriefDescription": "Cycles when divide unit is busy executing divide or square root operations.",
        "Counter": "0,1,2,3,4,5,6,7",
        "CounterMask": "1",
        "EventCode": "0xb0",
        "EventName": "ARITH.DIV_ACTIVE",
        "PublicDescription": "Counts cycles when divide unit is busy executing divide or square root operations. Accounts for integer and floating-point operations.",
        "SampleAfterValue": "1000003",
        "UMask": "0x9",
        "Unit": "cpu_core"
    },
    {
        "BriefDescription": "This event counts the cycles the integer divider is busy.",
        "Counter": "0,1,2,3,4,5,6,7",
        "CounterMask": "1",
        "EventCode": "0xb0",
        "EventName": "ARITH.IDIV_ACTIVE",
        "SampleAfterValue": "1000003",
        "UMask": "0x8",
        "Unit": "cpu_core"
    },
    {
        "BriefDescription": "Number of occurrences where a microcode assist is invoked by hardware.",
        "Counter": "0,1,2,3,4,5,6,7",
        "EventCode": "0xc1",
        "EventName": "ASSISTS.ANY",
        "PublicDescription": "Counts the number of occurrences where a microcode assist is invoked by hardware. Examples include AD (page Access Dirty), FP and AVX related assists.",
        "SampleAfterValue": "100003",
        "UMask": "0x1b",
        "Unit": "cpu_core"
    },
    {
        "BriefDescription": "Counts the total number of branch instructions retired for all branch types.",
        "Counter": "0,1,2,3,4,5,6,7",
        "Errata": "MTL012, MTL013",
        "EventCode": "0xc4",
        "EventName": "BR_INST_RETIRED.ALL_BRANCHES",
        "PublicDescription": "Counts the total number of instructions in which the instruction pointer (IP) of the processor is resteered due to a branch instruction and the branch instruction successfully retires.  All branch type instructions are accounted for.",
        "SampleAfterValue": "200003",
        "Unit": "cpu_atom"
    },
    {
        "BriefDescription": "All branch instructions retired.",
        "Counter": "0,1,2,3,4,5,6,7",
        "EventCode": "0xc4",
        "EventName": "BR_INST_RETIRED.ALL_BRANCHES",
        "PublicDescription": "Counts all branch instructions retired. Available PDIST counters: 0",
        "SampleAfterValue": "400009",
        "Unit": "cpu_core"
    },
    {
        "BriefDescription": "Counts the number of retired JCC (Jump on Conditional Code) branch instructions retired, includes both taken and not taken branches.",
        "Counter": "0,1,2,3,4,5,6,7",
        "Errata": "MTL013",
        "EventCode": "0xc4",
        "EventName": "BR_INST_RETIRED.COND",
        "SampleAfterValue": "200003",
        "UMask": "0x7e",
        "Unit": "cpu_atom"

Annotation

Implementation Notes