Re: [PATCH v7 16/16] riscv: andes: Support specifying symbolic firmware and hardware raw events

[Atish Patra <atishp@atishpatra.org>]

On Tue, Jan 9, 2024 at 11:41 PM Yu Chien Peter Lin
<peterlin@andestech.com> wrote:
>
> From: Locus Wei-Han Chen <locus84@andestech.com>
>
> Add the Andes AX45 JSON files that allows specifying symbolic event
> names for the raw PMU events.
>
> Signed-off-by: Locus Wei-Han Chen <locus84@andestech.com>
> Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com>
> Reviewed-by: Charles Ci-Jyun Wu <dminus@andestech.com>
> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
> Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> Changes v1 -> v2:
>   - No change
> Changes v2 -> v3:
>   - No change
> Changes v3 -> v4:
>   - No change
> Changes v4 -> v5:
>   - Include Prabhakar's Tested-by
> Changes v5 -> v6:
>   - No change
> Changes v6 -> v7:
>   - No change
> ---
>  .../arch/riscv/andes/ax45/firmware.json       |  68 ++++++++++
>  .../arch/riscv/andes/ax45/instructions.json   | 127 ++++++++++++++++++
>  .../arch/riscv/andes/ax45/memory.json         |  57 ++++++++
>  .../arch/riscv/andes/ax45/microarch.json      |  77 +++++++++++
>  tools/perf/pmu-events/arch/riscv/mapfile.csv  |   1 +
>  5 files changed, 330 insertions(+)
>  create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
>  create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
>  create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
>  create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
>
> diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
> new file mode 100644
> index 000000000000..9b4a032186a7
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
> @@ -0,0 +1,68 @@
> +[
> +  {
> +    "ArchStdEvent": "FW_MISALIGNED_LOAD"
> +  },
> +  {
> +    "ArchStdEvent": "FW_MISALIGNED_STORE"
> +  },
> +  {
> +    "ArchStdEvent": "FW_ACCESS_LOAD"
> +  },
> +  {
> +    "ArchStdEvent": "FW_ACCESS_STORE"
> +  },
> +  {
> +    "ArchStdEvent": "FW_ILLEGAL_INSN"
> +  },
> +  {
> +    "ArchStdEvent": "FW_SET_TIMER"
> +  },
> +  {
> +    "ArchStdEvent": "FW_IPI_SENT"
> +  },
> +  {
> +    "ArchStdEvent": "FW_IPI_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_FENCE_I_SENT"
> +  },
> +  {
> +    "ArchStdEvent": "FW_FENCE_I_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_SFENCE_VMA_SENT"
> +  },
> +  {
> +    "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_SFENCE_VMA_ASID_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_GVMA_SENT"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_GVMA_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_GVMA_VMID_SENT"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_GVMA_VMID_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_VVMA_SENT"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_VVMA_RECEIVED"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_VVMA_ASID_SENT"
> +  },
> +  {
> +    "ArchStdEvent": "FW_HFENCE_VVMA_ASID_RECEIVED"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
> new file mode 100644
> index 000000000000..713a08c1a40f
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
> @@ -0,0 +1,127 @@
> +[
> +       {
> +               "EventCode": "0x10",
> +               "EventName": "cycle_count",
> +               "BriefDescription": "Cycle count"
> +       },
> +       {
> +               "EventCode": "0x20",
> +               "EventName": "inst_count",
> +               "BriefDescription": "Retired instruction count"
> +       },
> +       {
> +               "EventCode": "0x30",
> +               "EventName": "int_load_inst",
> +               "BriefDescription": "Integer load instruction count"
> +       },
> +       {
> +               "EventCode": "0x40",
> +               "EventName": "int_store_inst",
> +               "BriefDescription": "Integer store instruction count"
> +       },
> +       {
> +               "EventCode": "0x50",
> +               "EventName": "atomic_inst",
> +               "BriefDescription": "Atomic instruction count"
> +       },
> +       {
> +               "EventCode": "0x60",
> +               "EventName": "sys_inst",
> +               "BriefDescription": "System instruction count"
> +       },
> +       {
> +               "EventCode": "0x70",
> +               "EventName": "int_compute_inst",
> +               "BriefDescription": "Integer computational instruction count"
> +       },
> +       {
> +               "EventCode": "0x80",
> +               "EventName": "condition_br",
> +               "BriefDescription": "Conditional branch instruction count"
> +       },
> +       {
> +               "EventCode": "0x90",
> +               "EventName": "taken_condition_br",
> +               "BriefDescription": "Taken conditional branch instruction count"
> +       },
> +       {
> +               "EventCode": "0xA0",
> +               "EventName": "jal_inst",
> +               "BriefDescription": "JAL instruction count"
> +       },
> +       {
> +               "EventCode": "0xB0",
> +               "EventName": "jalr_inst",
> +               "BriefDescription": "JALR instruction count"
> +       },
> +       {
> +               "EventCode": "0xC0",
> +               "EventName": "ret_inst",
> +               "BriefDescription": "Return instruction count"
> +       },
> +       {
> +               "EventCode": "0xD0",
> +               "EventName": "control_trans_inst",
> +               "BriefDescription": "Control transfer instruction count"
> +       },
> +       {
> +               "EventCode": "0xE0",
> +               "EventName": "ex9_inst",
> +               "BriefDescription": "EXEC.IT instruction count"
> +       },
> +       {
> +               "EventCode": "0xF0",
> +               "EventName": "int_mul_inst",
> +               "BriefDescription": "Integer multiplication instruction count"
> +       },
> +       {
> +               "EventCode": "0x100",
> +               "EventName": "int_div_rem_inst",
> +               "BriefDescription": "Integer division/remainder instruction count"
> +       },
> +       {
> +               "EventCode": "0x110",
> +               "EventName": "float_load_inst",
> +               "BriefDescription": "Floating-point load instruction count"
> +       },
> +       {
> +               "EventCode": "0x120",
> +               "EventName": "float_store_inst",
> +               "BriefDescription": "Floating-point store instruction count"
> +       },
> +       {
> +               "EventCode": "0x130",
> +               "EventName": "float_add_sub_inst",
> +               "BriefDescription": "Floating-point addition/subtraction instruction count"
> +       },
> +       {
> +               "EventCode": "0x140",
> +               "EventName": "float_mul_inst",
> +               "BriefDescription": "Floating-point multiplication instruction count"
> +       },
> +       {
> +               "EventCode": "0x150",
> +               "EventName": "float_fused_muladd_inst",
> +               "BriefDescription": "Floating-point fused multiply-add instruction count"
> +       },
> +       {
> +               "EventCode": "0x160",
> +               "EventName": "float_div_sqrt_inst",
> +               "BriefDescription": "Floating-point division or square-root instruction count"
> +       },
> +       {
> +               "EventCode": "0x170",
> +               "EventName": "other_float_inst",
> +               "BriefDescription": "Other floating-point instruction count"
> +       },
> +       {
> +               "EventCode": "0x180",
> +               "EventName": "int_mul_add_sub_inst",
> +               "BriefDescription": "Integer multiplication and add/sub instruction count"
> +       },
> +       {
> +               "EventCode": "0x190",
> +               "EventName": "retired_ops",
> +               "BriefDescription": "Retired operation count"
> +       }
> +]
> diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
> new file mode 100644
> index 000000000000..c7401b526c77
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
> @@ -0,0 +1,57 @@
> +[
> +       {
> +               "EventCode": "0x01",
> +               "EventName": "ilm_access",
> +               "BriefDescription": "ILM access"
> +       },
> +       {
> +               "EventCode": "0x11",
> +               "EventName": "dlm_access",
> +               "BriefDescription": "DLM access"
> +       },
> +       {
> +               "EventCode": "0x21",
> +               "EventName": "icache_access",
> +               "BriefDescription": "ICACHE access"
> +       },
> +       {
> +               "EventCode": "0x31",
> +               "EventName": "icache_miss",
> +               "BriefDescription": "ICACHE miss"
> +       },
> +       {
> +               "EventCode": "0x41",
> +               "EventName": "dcache_access",
> +               "BriefDescription": "DCACHE access"
> +       },
> +       {
> +               "EventCode": "0x51",
> +               "EventName": "dcache_miss",
> +               "BriefDescription": "DCACHE miss"
> +       },
> +       {
> +               "EventCode": "0x61",
> +               "EventName": "dcache_load_access",
> +               "BriefDescription": "DCACHE load access"
> +       },
> +       {
> +               "EventCode": "0x71",
> +               "EventName": "dcache_load_miss",
> +               "BriefDescription": "DCACHE load miss"
> +       },
> +       {
> +               "EventCode": "0x81",
> +               "EventName": "dcache_store_access",
> +               "BriefDescription": "DCACHE store access"
> +       },
> +       {
> +               "EventCode": "0x91",
> +               "EventName": "dcache_store_miss",
> +               "BriefDescription": "DCACHE store miss"
> +       },
> +       {
> +               "EventCode": "0xA1",
> +               "EventName": "dcache_wb",
> +               "BriefDescription": "DCACHE writeback"
> +       }
> +]
> diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
> new file mode 100644
> index 000000000000..a6d378cbaa74
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json
> @@ -0,0 +1,77 @@
> +[
> +       {
> +               "EventCode": "0xB1",
> +               "EventName": "cycle_wait_icache_fill",
> +               "BriefDescription": "Cycles waiting for ICACHE fill data"
> +       },
> +       {
> +               "EventCode": "0xC1",
> +               "EventName": "cycle_wait_dcache_fill",
> +               "BriefDescription": "Cycles waiting for DCACHE fill data"
> +       },
> +       {
> +               "EventCode": "0xD1",
> +               "EventName": "uncached_ifetch_from_bus",
> +               "BriefDescription": "Uncached ifetch data access from bus"
> +       },
> +       {
> +               "EventCode": "0xE1",
> +               "EventName": "uncached_load_from_bus",
> +               "BriefDescription": "Uncached load data access from bus"
> +       },
> +       {
> +               "EventCode": "0xF1",
> +               "EventName": "cycle_wait_uncached_ifetch",
> +               "BriefDescription": "Cycles waiting for uncached ifetch data from bus"
> +       },
> +       {
> +               "EventCode": "0x101",
> +               "EventName": "cycle_wait_uncached_load",
> +               "BriefDescription": "Cycles waiting for uncached load data from bus"
> +       },
> +       {
> +               "EventCode": "0x111",
> +               "EventName": "main_itlb_access",
> +               "BriefDescription": "Main ITLB access"
> +       },
> +       {
> +               "EventCode": "0x121",
> +               "EventName": "main_itlb_miss",
> +               "BriefDescription": "Main ITLB miss"
> +       },
> +       {
> +               "EventCode": "0x131",
> +               "EventName": "main_dtlb_access",
> +               "BriefDescription": "Main DTLB access"
> +       },
> +       {
> +               "EventCode": "0x141",
> +               "EventName": "main_dtlb_miss",
> +               "BriefDescription": "Main DTLB miss"
> +       },
> +       {
> +               "EventCode": "0x151",
> +               "EventName": "cycle_wait_itlb_fill",
> +               "BriefDescription": "Cycles waiting for Main ITLB fill data"
> +       },
> +       {
> +               "EventCode": "0x161",
> +               "EventName": "pipe_stall_cycle_dtlb_miss",
> +               "BriefDescription": "Pipeline stall cycles caused by Main DTLB miss"
> +       },
> +       {
> +               "EventCode": "0x02",
> +               "EventName": "mispredict_condition_br",
> +               "BriefDescription": "Misprediction of conditional branches"
> +       },
> +       {
> +               "EventCode": "0x12",
> +               "EventName": "mispredict_take_condition_br",
> +               "BriefDescription": "Misprediction of taken conditional branches"
> +       },
> +       {
> +               "EventCode": "0x22",
> +               "EventName": "mispredict_target_ret_inst",
> +               "BriefDescription": "Misprediction of targets of Return instructions"
> +       }
> +]
> diff --git a/tools/perf/pmu-events/arch/riscv/mapfile.csv b/tools/perf/pmu-events/arch/riscv/mapfile.csv
> index c61b3d6ef616..5bf09af14c1b 100644
> --- a/tools/perf/pmu-events/arch/riscv/mapfile.csv
> +++ b/tools/perf/pmu-events/arch/riscv/mapfile.csv
> @@ -15,3 +15,4 @@
>  #
>  #MVENDORID-MARCHID-MIMPID,Version,Filename,EventType
>  0x489-0x8000000000000007-0x[[:xdigit:]]+,v1,sifive/u74,core
> +0x31e-0x8000000000008a45-0x[[:xdigit:]]+,v1,andes/ax45,core
> --
> 2.34.1
>

Acked-by: Atish Patra <atishp@rivosinc.com>

-- 
Regards,
Atish

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