linux-kernel - Re: [PATCH] perf vendor events arm64: Add Cortex-A72 events

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Message-ID: <1a7b28b0-3fee-f3b9-0e83-61a2759c0555@huawei.com>
Date:   Thu, 11 Apr 2019 14:01:12 +0100
From:   John Garry <john.garry@...wei.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        <linux-kernel@...r.kernel.org>
CC:     Mark Rutland <mark.rutland@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        "Will Deacon" <will.deacon@....com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>,
        "moderated list:ARM PMU PROFILING AND DEBUGGING" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] perf vendor events arm64: Add Cortex-A72 events

On 07/04/2019 22:34, Florian Fainelli wrote:
> The Cortex-A72 supports all ARMv8 recommended events up to the
> RC_ST_SPEC (0x91) event, create an appropriate JSON file for mapping
> those events and update the mapfile.csv for matching the Cortex-A72 MIDR
> to that file.
>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  .../arm64/arm/cortex-a72/core-imp-def.json    | 206 ++++++++++++++++++
>  tools/perf/pmu-events/arch/arm64/mapfile.csv  |   1 +
>  2 files changed, 207 insertions(+)
>  create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a72/core-imp-def.json
>
> diff --git a/tools/perf/pmu-events/arch/arm64/arm/cortex-a72/core-imp-def.json b/tools/perf/pmu-events/arch/arm64/arm/cortex-a72/core-imp-def.json
> new file mode 100644
> index 000000000000..eb82fc8529c6
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/arm/cortex-a72/core-imp-def.json
> @@ -0,0 +1,206 @@
> +[
> +    {
> +        "ArchStdEvent": "L1D_CACHE_RD",
> +    },
> +    {
> +        "ArchStdEvent": "L1D_CACHE_WR",
> +    },
> +    {
> +        "ArchStdEvent": "L1D_CACHE_REFILL_RD",
> +    },
> +    {
> +        "ArchStdEvent": "L1D_CACHE_REFILL_WR",
> +    },
> +    {
> +        "ArchStdEvent": "L1D_CACHE_REFILL_INNER",

I'm just checking the A72 TRM, and this does not seem to be included, 
that being event number 0x44.

> +    },
> +    {
> +        "ArchStdEvent": "L1D_CACHE_REFILL_OUTER",
> +    },

Or this.

> +    {
> +        "ArchStdEvent": "L1D_CACHE_WB_VICTIM",
> +    },
> +    {

Please check this.

Thanks,
John