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

[
  {
    "EventCode": "0xC0",
    "EventName": "EXT_MEM_REQ",
    "BriefDescription": "External memory request"
  },
  {
    "EventCode": "0xC1",
    "EventName": "EXT_MEM_REQ_NC",
    "BriefDescription": "Non-cacheable external memory request"
  }
]