tools/perf/pmu-events/arch/x86/amdzen4/cache.json

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

File Facts

System
Linux kernel
Corpus path
tools/perf/pmu-events/arch/x86/amdzen4/cache.json
Extension
.json
Size
30776 bytes
Lines
829
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": "ls_mab_alloc.load_store_allocations",
    "EventCode": "0x41",
    "BriefDescription": "Miss Address Buffer (MAB) entries allocated by a Load-Store (LS) pipe for load-store allocations.",
    "UMask": "0x3f"
  },
  {
    "EventName": "ls_mab_alloc.hardware_prefetcher_allocations",
    "EventCode": "0x41",
    "BriefDescription": "Miss Address Buffer (MAB) entries allocated by a Load-Store (LS) pipe for hardware prefetcher allocations.",
    "UMask": "0x40"
  },
  {
    "EventName": "ls_mab_alloc.all_allocations",
    "EventCode": "0x41",
    "BriefDescription": "Miss Address Buffer (MAB) entries allocated by a Load-Store (LS) pipe for all types of allocations.",
    "UMask": "0x7f"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.local_l2",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from local L2 cache.",
    "UMask": "0x01"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.local_ccx",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from L3 cache or different L2 cache in the same CCX.",
    "UMask": "0x02"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.near_cache",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from cache of another CCX when the address was in the same NUMA node.",
    "UMask": "0x04"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.dram_io_near",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from either DRAM or MMIO in the same NUMA node.",
    "UMask": "0x08"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.far_cache",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from cache of another CCX when the address was in a different NUMA node.",
    "UMask": "0x10"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.dram_io_far",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from either DRAM or MMIO in a different NUMA node (same or different socket).",
    "UMask": "0x40"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.alternate_memories",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from extension memory.",
    "UMask": "0x80"
  },
  {
    "EventName": "ls_dmnd_fills_from_sys.all",
    "EventCode": "0x43",
    "BriefDescription": "Demand data cache fills from all types of data sources.",
    "UMask": "0xff"
  },
  {
    "EventName": "ls_any_fills_from_sys.local_l2",
    "EventCode": "0x44",

Annotation

Implementation Notes