tools/perf/pmu-events/arch/x86/amdzen4/floating-point.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/x86/amdzen4/floating-point.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/amdzen4/floating-point.json
Extension
.json
Size
25499 bytes
Lines
819
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

[
  {
    "EventName": "fp_ret_x87_fp_ops.add_sub_ops",
    "EventCode": "0x02",
    "BriefDescription": "Retired x87 floating-point add and subtract ops.",
    "UMask": "0x01"
  },
  {
    "EventName": "fp_ret_x87_fp_ops.mul_ops",
    "EventCode": "0x02",
    "BriefDescription": "Retired x87 floating-point multiply ops.",
    "UMask": "0x02"
  },
  {
    "EventName": "fp_ret_x87_fp_ops.div_sqrt_ops",
    "EventCode": "0x02",
    "BriefDescription": "Retired x87 floating-point divide and square root ops.",
    "UMask": "0x04"
  },
  {
    "EventName": "fp_ret_x87_fp_ops.all",
    "EventCode": "0x02",
    "BriefDescription": "Retired x87 floating-point ops of all types.",
    "UMask": "0x07"
  },
  {
    "EventName": "fp_ret_sse_avx_ops.add_sub_flops",
    "EventCode": "0x03",
    "BriefDescription": "Retired SSE and AVX floating-point add and subtract ops.",
    "UMask": "0x01"
  },
  {
    "EventName": "fp_ret_sse_avx_ops.mult_flops",
    "EventCode": "0x03",
    "BriefDescription": "Retired SSE and AVX floating-point multiply ops.",
    "UMask": "0x02"
  },
  {
    "EventName": "fp_ret_sse_avx_ops.div_flops",
    "EventCode": "0x03",
    "BriefDescription": "Retired SSE and AVX floating-point divide and square root ops.",
    "UMask": "0x04"
  },
  {
    "EventName": "fp_ret_sse_avx_ops.mac_flops",
    "EventCode": "0x03",
    "BriefDescription": "Retired SSE and AVX floating-point multiply-accumulate ops (each operation is counted as 2 ops).",
    "UMask": "0x08"
  },
  {
    "EventName": "fp_ret_sse_avx_ops.bfloat_mac_flops",
    "EventCode": "0x03",
    "BriefDescription": "Retired SSE and AVX floating-point bfloat multiply-accumulate ops (each operation is counted as 2 ops).",
    "UMask": "0x10"
  },
  {
    "EventName": "fp_ret_sse_avx_ops.all",
    "EventCode": "0x03",
    "BriefDescription": "Retired SSE and AVX floating-point ops of all types.",
    "UMask": "0x1f"
  },
  {
    "EventName": "fp_retired_ser_ops.x87_ctrl_ret",
    "EventCode": "0x05",
    "BriefDescription": "Retired x87 control word mispredict traps due to mispredictions in RC or PC, or changes in exception mask bits.",
    "UMask": "0x01"
  },
  {
    "EventName": "fp_retired_ser_ops.x87_bot_ret",
    "EventCode": "0x05",

Annotation

Implementation Notes