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

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

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/haswellx/floating-point.json
Extension
.json
Size
3823 bytes
Lines
94
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": "Approximate counts of AVX & AVX2 256-bit instructions, including non-arithmetic instructions, loads, and stores.  May count non-AVX instructions that employ 256-bit operations, including (but not necessarily limited to) rep string instructions that use 256-bit loads and stores for optimized performance, XSAVE* and XRSTOR*, and operations that transition the x87 FPU data registers between x87 and MMX.",
        "Counter": "0,1,2,3",
        "EventCode": "0xC6",
        "EventName": "AVX_INSTS.ALL",
        "PublicDescription": "Note that a whole rep string only counts AVX_INST.ALL once.",
        "SampleAfterValue": "2000003",
        "UMask": "0x7"
    },
    {
        "BriefDescription": "Cycles with any input/output SSE or FP assist",
        "Counter": "0,1,2,3",
        "CounterMask": "1",
        "EventCode": "0xCA",
        "EventName": "FP_ASSIST.ANY",
        "PublicDescription": "Cycles with any input/output SSE* or FP assists.",
        "SampleAfterValue": "100003",
        "UMask": "0x1e"
    },
    {
        "BriefDescription": "Number of SIMD FP assists due to input values",
        "Counter": "0,1,2,3",
        "EventCode": "0xCA",
        "EventName": "FP_ASSIST.SIMD_INPUT",
        "PublicDescription": "Number of SIMD FP assists due to input values.",
        "SampleAfterValue": "100003",
        "UMask": "0x10"
    },
    {
        "BriefDescription": "Number of SIMD FP assists due to Output values",
        "Counter": "0,1,2,3",
        "EventCode": "0xCA",
        "EventName": "FP_ASSIST.SIMD_OUTPUT",
        "PublicDescription": "Number of SIMD FP assists due to output values.",
        "SampleAfterValue": "100003",
        "UMask": "0x8"
    },
    {
        "BriefDescription": "Number of X87 assists due to input value.",
        "Counter": "0,1,2,3",
        "EventCode": "0xCA",
        "EventName": "FP_ASSIST.X87_INPUT",
        "PublicDescription": "Number of X87 FP assists due to input values.",
        "SampleAfterValue": "100003",
        "UMask": "0x4"
    },
    {
        "BriefDescription": "Number of X87 assists due to output value.",
        "Counter": "0,1,2,3",
        "EventCode": "0xCA",
        "EventName": "FP_ASSIST.X87_OUTPUT",
        "PublicDescription": "Number of X87 FP assists due to output values.",
        "SampleAfterValue": "100003",
        "UMask": "0x2"
    },
    {
        "BriefDescription": "Number of SIMD Move Elimination candidate uops that were eliminated.",
        "Counter": "0,1,2,3",
        "EventCode": "0x58",
        "EventName": "MOVE_ELIMINATION.SIMD_ELIMINATED",
        "PublicDescription": "Number of SIMD move elimination candidate uops that were eliminated.",
        "SampleAfterValue": "1000003",
        "UMask": "0x2"
    },
    {
        "BriefDescription": "Number of SIMD Move Elimination candidate uops that were not eliminated.",
        "Counter": "0,1,2,3",
        "EventCode": "0x58",
        "EventName": "MOVE_ELIMINATION.SIMD_NOT_ELIMINATED",

Annotation

Implementation Notes