tools/perf/pmu-events/arch/x86/goldmontplus/floating-point.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/x86/goldmontplus/floating-point.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/goldmontplus/floating-point.json
Extension
.json
Size
1235 bytes
Lines
31
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 the FP divide unit is busy",
        "Counter": "0,1,2,3",
        "EventCode": "0xCD",
        "EventName": "CYCLES_DIV_BUSY.FPDIV",
        "PublicDescription": "Counts core cycles the floating point divide unit is busy.",
        "SampleAfterValue": "200003",
        "UMask": "0x2"
    },
    {
        "BriefDescription": "Machine clears due to FP assists",
        "Counter": "0,1,2,3",
        "EventCode": "0xC3",
        "EventName": "MACHINE_CLEARS.FP_ASSIST",
        "PublicDescription": "Counts machine clears due to floating point (FP) operations needing assists.  For instance, if the result was a floating point denormal, the hardware clears the pipeline and reissues uops to produce the correct IEEE compliant denormal result.",
        "SampleAfterValue": "20003",
        "UMask": "0x4"
    },
    {
        "BriefDescription": "Floating point divide uops retired (Precise Event Capable)",
        "Counter": "0,1,2,3",
        "EventCode": "0xC2",
        "EventName": "UOPS_RETIRED.FPDIV",
        "PEBS": "2",
        "PublicDescription": "Counts the number of floating point divide uops retired.",
        "SampleAfterValue": "2000003",
        "UMask": "0x8"
    }
]

Annotation

Implementation Notes