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

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

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/icelake/pipeline.json
Extension
.json
Size
43760 bytes
Lines
876
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": "Cycles when divide unit is busy executing divide or square root operations.",
        "Counter": "0,1,2,3,4,5,6,7",
        "CounterMask": "1",
        "EventCode": "0x14",
        "EventName": "ARITH.DIVIDER_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"
    },
    {
        "BriefDescription": "ARITH.FP_DIVIDER_ACTIVE",
        "Counter": "0,1,2,3,4,5,6,7",
        "CounterMask": "1",
        "EventCode": "0x14",
        "EventName": "ARITH.FP_DIVIDER_ACTIVE",
        "SampleAfterValue": "1000003",
        "UMask": "0x1"
    },
    {
        "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": "0x7"
    },
    {
        "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.",
        "SampleAfterValue": "400009"
    },
    {
        "BriefDescription": "Conditional branch instructions retired.",
        "Counter": "0,1,2,3,4,5,6,7",
        "EventCode": "0xc4",
        "EventName": "BR_INST_RETIRED.COND",
        "PublicDescription": "Counts conditional branch instructions retired.",
        "SampleAfterValue": "400009",
        "UMask": "0x11"
    },
    {
        "BriefDescription": "Not taken branch instructions retired.",
        "Counter": "0,1,2,3,4,5,6,7",
        "EventCode": "0xc4",
        "EventName": "BR_INST_RETIRED.COND_NTAKEN",
        "PublicDescription": "Counts not taken branch instructions retired.",
        "SampleAfterValue": "400009",
        "UMask": "0x10"
    },
    {
        "BriefDescription": "Taken conditional branch instructions retired.",
        "Counter": "0,1,2,3,4,5,6,7",
        "EventCode": "0xc4",
        "EventName": "BR_INST_RETIRED.COND_TAKEN",
        "PublicDescription": "Counts taken conditional branch instructions retired.",
        "SampleAfterValue": "400009",
        "UMask": "0x1"
    },
    {
        "BriefDescription": "Far branch instructions retired.",
        "Counter": "0,1,2,3,4,5,6,7",
        "EventCode": "0xc4",
        "EventName": "BR_INST_RETIRED.FAR_BRANCH",
        "PublicDescription": "Counts far branch instructions retired.",

Annotation

Implementation Notes