linux-kernel - Re: [PATCH] perf vendor events aarch64: Add JSON metrics for ARM Cortex-A53 Processor

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Date:   Thu, 1 Feb 2018 11:43:09 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     William Cohen <wcohen@...hat.com>
Cc:     peterz@...radead.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, namhyung@...nel.org
Subject: Re: [PATCH] perf vendor events aarch64: Add JSON metrics for ARM
 Cortex-A53 Processor

Em Tue, Jan 30, 2018 at 10:28:13PM -0500, William Cohen escreveu:
> Add JSON metrics for ARM Cortex-A53 Processor

Hi Will, would it be possible to you include an URL for the document
that served as a reference to you to write these files? Did you use some
script?

- Arnaldo
 
> Signed-off-by: William Cohen <wcohen@...hat.com>
> ---
>  .../pmu-events/arch/arm64/cortex-a53/branch.json   | 27 +++++++++++
>  .../perf/pmu-events/arch/arm64/cortex-a53/bus.json | 22 +++++++++
>  .../pmu-events/arch/arm64/cortex-a53/cache.json    | 27 +++++++++++
>  .../pmu-events/arch/arm64/cortex-a53/memory.json   | 22 +++++++++
>  .../pmu-events/arch/arm64/cortex-a53/other.json    | 32 +++++++++++++
>  .../pmu-events/arch/arm64/cortex-a53/pipeline.json | 52 ++++++++++++++++++++++
>  tools/perf/pmu-events/arch/arm64/mapfile.csv       |  1 +
>  7 files changed, 183 insertions(+)
>  create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
>  create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
>  create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
>  create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
>  create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
>  create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json
> 
> diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
> new file mode 100644
> index 000000000000..3b6208763e50
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
> @@ -0,0 +1,27 @@
> +[
> +  {,
> +    "EventCode": "0x7A",
> +    "EventName": "BR_INDIRECT_SPEC",
> +    "BriefDescription": "Branch speculatively executed - Indirect branch"
> +  },
> +  {,
> +    "EventCode": "0xC9",
> +    "EventName": "BR_COND",
> +    "BriefDescription": "Conditional branch executed"
> +  },
> +  {,
> +    "EventCode": "0xCA",
> +    "EventName": "BR_INDIRECT_MISPRED",
> +    "BriefDescription": "Indirect branch mispredicted"
> +  },
> +  {,
> +    "EventCode": "0xCB",
> +    "EventName": "BR_INDIRECT_MISPRED_ADDR",
> +    "BriefDescription": "Indirect branch mispredicted because of address miscompare"
> +  },
> +  {,
> +    "EventCode": "0xCC",
> +    "EventName": "BR_COND_MISPRED",
> +    "BriefDescription": "Conditional branch mispredicted"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
> new file mode 100644
> index 000000000000..480d9f7460ab
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
> @@ -0,0 +1,22 @@
> +[
> +  {,
> +    "EventCode": "0x60",
> +    "EventName": "BUS_ACCESS_LD",
> +    "BriefDescription": "Bus access - Read"
> +  },
> +  {,
> +    "EventCode": "0x61",
> +    "EventName": "BUS_ACCESS_ST",
> +    "BriefDescription": "Bus access - Write"
> +  },
> +  {,
> +    "EventCode": "0xC0",
> +    "EventName": "EXT_MEM_REQ",
> +    "BriefDescription": "External memory request"
> +  },
> +  {,
> +    "EventCode": "0xC1",
> +    "EventName": "EXT_MEM_REQ_NC",
> +    "BriefDescription": "Non-cacheable external memory request"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
> new file mode 100644
> index 000000000000..11baad6344b9
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
> @@ -0,0 +1,27 @@
> +[
> +  {,
> +    "EventCode": "0xC2",
> +    "EventName": "PREFETCH_LINEFILL",
> +    "BriefDescription": "Linefill because of prefetch"
> +  },
> +  {,
> +    "EventCode": "0xC3",
> +    "EventName": "PREFETCH_LINEFILL_DROP",
> +    "BriefDescription": "Instruction Cache Throttle occurred"
> +  },
> +  {,
> +    "EventCode": "0xC4",
> +    "EventName": "READ_ALLOC_ENTER",
> +    "BriefDescription": "Entering read allocate mode"
> +  },
> +  {,
> +    "EventCode": "0xC5",
> +    "EventName": "READ_ALLOC",
> +    "BriefDescription": "Read allocate mode"
> +  },
> +  {,
> +    "EventCode": "0xC8",
> +    "EventName": "EXT_SNOOP",
> +    "BriefDescription": "SCU Snooped data from another CPU for this CPU"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
> new file mode 100644
> index 000000000000..480d9f7460ab
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
> @@ -0,0 +1,22 @@
> +[
> +  {,
> +    "EventCode": "0x60",
> +    "EventName": "BUS_ACCESS_LD",
> +    "BriefDescription": "Bus access - Read"
> +  },
> +  {,
> +    "EventCode": "0x61",
> +    "EventName": "BUS_ACCESS_ST",
> +    "BriefDescription": "Bus access - Write"
> +  },
> +  {,
> +    "EventCode": "0xC0",
> +    "EventName": "EXT_MEM_REQ",
> +    "BriefDescription": "External memory request"
> +  },
> +  {,
> +    "EventCode": "0xC1",
> +    "EventName": "EXT_MEM_REQ_NC",
> +    "BriefDescription": "Non-cacheable external memory request"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/other.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
> new file mode 100644
> index 000000000000..73a22402d003
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
> @@ -0,0 +1,32 @@
> +[
> +  {,
> +    "EventCode": "0x86",
> +    "EventName": "EXC_IRQ",
> +    "BriefDescription": "Exception taken, IRQ"
> +  },
> +  {,
> +    "EventCode": "0x87",
> +    "EventName": "EXC_FIQ",
> +    "BriefDescription": "Exception taken, FIQ"
> +  },
> +  {,
> +    "EventCode": "0xC6",
> +    "EventName": "PRE_DECODE_ERR",
> +    "BriefDescription": "Pre-decode error"
> +  },
> +  {,
> +    "EventCode": "0xD0",
> +    "EventName": "L1I_CACHE_ERR",
> +    "BriefDescription": "L1 Instruction Cache (data or tag) memory error"
> +  },
> +  {,
> +    "EventCode": "0xD1",
> +    "EventName": "L1D_CACHE_ERR",
> +    "BriefDescription": "L1 Data Cache (data, tag or dirty) memory error, correctable or non-correctable"
> +  },
> +  {,
> +    "EventCode": "0xD2",
> +    "EventName": "TLB_ERR",
> +    "BriefDescription": "TLB memory error"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json b/tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json
> new file mode 100644
> index 000000000000..3149fb90555a
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json
> @@ -0,0 +1,52 @@
> +[
> +  {,
> +    "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"
> +  }
> +]
> diff --git a/tools/perf/pmu-events/arch/arm64/mapfile.csv b/tools/perf/pmu-events/arch/arm64/mapfile.csv
> index 219d6756134e..e61c9ca6cf9e 100644
> --- a/tools/perf/pmu-events/arch/arm64/mapfile.csv
> +++ b/tools/perf/pmu-events/arch/arm64/mapfile.csv
> @@ -13,3 +13,4 @@
>  #
>  #Family-model,Version,Filename,EventType
>  0x00000000420f5160,v1,cavium,core
> +0x00000000410fd03[[:xdigit:]],v1,cortex-a53,core
> -- 
> 2.14.3