xref: /linux/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/microarch.json (revision 06d07429858317ded2db7986113a9e0129cd599b)

[
  {
    "EventName": "LSU_SPEC_FAIL",
    "EventCode": "0x0000000a",
    "BriefDescription": "LSU speculation fail"
  },
  {
    "EventName": "IDU_RF_PIPE_FAIL",
    "EventCode": "0x00000014",
    "BriefDescription": "Instruction decode unit launch pipeline failed in RF state"
  },
  {
    "EventName": "IDU_RF_REG_FAIL",
    "EventCode": "0x00000015",
    "BriefDescription": "Instruction decode unit launch register file fail in RF state"
  },
  {
    "EventName": "IDU_RF_INSTRUCTION",
    "EventCode": "0x00000016",
    "BriefDescription": "retired instruction count of Instruction decode unit in RF (Register File) stage"
  },
  {
    "EventName": "LSU_4K_STALL",
    "EventCode": "0x00000017",
    "BriefDescription": "LSU stall times for long distance data access (Over 4K)",
    "PublicDescription": "This stall occurs when translate virtual address with page offset over 4k"
  },
  {
    "EventName": "LSU_OTHER_STALL",
    "EventCode": "0x00000018",
    "BriefDescription": "LSU stall times for other reasons (except the 4k stall)"
  },
  {
    "EventName": "LSU_SQ_OTHER_DIS",
    "EventCode": "0x00000019",
    "BriefDescription": "LSU store queue discard others"
  },
  {
    "EventName": "LSU_SQ_DATA_DISCARD",
    "EventCode": "0x0000001a",
    "BriefDescription": "LSU store queue discard data (uops)"
  },
  {
    "EventName": "BRANCH_DIRECTION_MISPREDICTION",
    "EventCode": "0x0000001b",
    "BriefDescription": "Branch misprediction in BTB"
  },
  {
    "EventName": "BRANCH_DIRECTION_PREDICTION",
    "EventCode": "0x0000001c",
    "BriefDescription": "All branch prediction in BTB",
    "PublicDescription": "This event including both successful prediction and failed prediction in BTB"
  },
  {
    "EventName": "INTERRUPT_ACK_COUNT",
    "EventCode": "0x00000023",
    "BriefDescription": "acknowledged interrupt count"
  },
  {
    "EventName": "INTERRUPT_OFF_CYCLE",
    "EventCode": "0x00000024",
    "BriefDescription": "PLIC arbitration time when the interrupt is not responded",
    "PublicDescription": "The arbitration time is recorded while meeting any of the following:\n- CPU is M-mode and MIE == 0\n- CPU is S-mode and delegation and SIE == 0\n"
  },
  {
    "EventName": "IFU_STALLED_CYCLE",
    "EventCode": "0x00000027",
    "BriefDescription": "Number of stall cycles of the instruction fetch unit (IFU)."
  },
  {
    "EventName": "IDU_STALLED_CYCLE",
    "EventCode": "0x00000028",
    "BriefDescription": "hpcp_backend_stall Number of stall cycles of the instruction decoding unit (IDU) and next-level pipeline unit."
  },
  {
    "EventName": "SYNC_STALL",
    "EventCode": "0x00000029",
    "BriefDescription": "Sync instruction stall cycle fence/fence.i/sync/sfence"
  }
]