tools/perf/pmu-events/arch/arm64/arm/cortex-a53/pipeline.json

Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/arm64/arm/cortex-a53/pipeline.json

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/arm64/arm/cortex-a53/pipeline.json
Extension
.json
Size
1826 bytes
Lines
53
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

[
  {
    "EventCode": "0xC7",
    "EventName": "STALL_SB_FULL",
    "BriefDescription": "Data Write operation that stalls the pipeline because the store buffer is full"
  },
  {
    "EventCode": "0xE0",
    "EventName": "OTHER_IQ_DEP_STALL",
    "BriefDescription": "Cycles that the DPU IQ is empty and that is not because of a recent micro-TLB miss, instruction cache miss or pre-decode error"
  },
  {
    "EventCode": "0xE1",
    "EventName": "IC_DEP_STALL",
    "BriefDescription": "Cycles the DPU IQ is empty and there is an instruction cache miss being processed"
  },
  {
    "EventCode": "0xE2",
    "EventName": "IUTLB_DEP_STALL",
    "BriefDescription": "Cycles the DPU IQ is empty and there is an instruction micro-TLB miss being processed"
  },
  {
    "EventCode": "0xE3",
    "EventName": "DECODE_DEP_STALL",
    "BriefDescription": "Cycles the DPU IQ is empty and there is a pre-decode error being processed"
  },
  {
    "EventCode": "0xE4",
    "EventName": "OTHER_INTERLOCK_STALL",
    "BriefDescription": "Cycles there is an interlock other than  Advanced SIMD/Floating-point instructions or load/store instruction"
  },
  {
    "EventCode": "0xE5",
    "EventName": "AGU_DEP_STALL",
    "BriefDescription": "Cycles there is an interlock for a load/store instruction waiting for data to calculate the address in the AGU"
  },
  {
    "EventCode": "0xE6",
    "EventName": "SIMD_DEP_STALL",
    "BriefDescription": "Cycles there is an interlock for an Advanced SIMD/Floating-point operation."
  },
  {
    "EventCode": "0xE7",
    "EventName": "LD_DEP_STALL",
    "BriefDescription": "Cycles there is a stall in the Wr stage because of a load miss"
  },
  {
    "EventCode": "0xE8",
    "EventName": "ST_DEP_STALL",
    "BriefDescription": "Cycles there is a stall in the Wr stage because of a store"
  }
]

Annotation

Implementation Notes