Re: [PATCH 0/2] perf vendor events arm64: Add A720/A520 events/metrics

James Clark
2025-02-14T10:02:51Z

On 14/02/2025 5:49 am, Yangyu Chen wrote:
>
>
>> On 14 Feb 2025, at 09:12, Namhyung Kim <namhyung@kernel.org> wrote:
>>
>> Hello,
>>
>> On Thu, Feb 13, 2025 at 11:11:01PM +0800, Yangyu Chen wrote:
>>> This patchset adds the perf JSON files for the Cortex-A720 and Cortex-A520
>>> processors. Some events have been tested on Raxda Orion 6 with Cix P1 SoC
>>> (8xA720 + 4xA520) running mainline Kernel with ACPI mode.
>>
>> I'm curious how the name of PMUs look like. It is cortex_a720 (or a520)?
>
> The name of PMUs comes from Arm's documentation. I have included these
> links in each patch.
>
>> I remember there's a logic to check the length of hex digits at the end.
>>
>
> Could you provide more details about this?
>
>> Ian, are you ok with this?
>>

I think they wouldn't be merged because they're core PMUs, so should be
fine? Even though they would otherwise be merged because they're more
than 3 hex digits.

>> Thanks,
>> Namhyung
>>
>>>
>>> Yangyu Chen (2):
>>> perf vendor events arm64: Add Cortex-A720 events/metrics
>>> perf vendor events arm64: Add Cortex-A520 events/metrics
>>>
>>> .../arch/arm64/arm/cortex-a520/bus.json | 26 ++
>>> .../arch/arm64/arm/cortex-a520/exception.json | 18 +
>>> .../arm64/arm/cortex-a520/fp_operation.json | 14 +
>>> .../arch/arm64/arm/cortex-a520/general.json | 6 +
>>> .../arch/arm64/arm/cortex-a520/l1d_cache.json | 50 ++
>>> .../arch/arm64/arm/cortex-a520/l1i_cache.json | 14 +
>>> .../arch/arm64/arm/cortex-a520/l2_cache.json | 46 ++
>>> .../arch/arm64/arm/cortex-a520/l3_cache.json | 21 +
>>> .../arch/arm64/arm/cortex-a520/ll_cache.json | 10 +
>>> .../arch/arm64/arm/cortex-a520/memory.json | 58 +++
>>> .../arch/arm64/arm/cortex-a520/metrics.json | 373 +++++++++++++++
>>> .../arch/arm64/arm/cortex-a520/pmu.json | 8 +
>>> .../arch/arm64/arm/cortex-a520/retired.json | 90 ++++
>>> .../arm64/arm/cortex-a520/spec_operation.json | 70 +++
>>> .../arch/arm64/arm/cortex-a520/stall.json | 82 ++++
>>> .../arch/arm64/arm/cortex-a520/sve.json | 22 +
>>> .../arch/arm64/arm/cortex-a520/tlb.json | 78 ++++
>>> .../arch/arm64/arm/cortex-a520/trace.json | 32 ++
>>> .../arch/arm64/arm/cortex-a720/bus.json | 18 +
>>> .../arch/arm64/arm/cortex-a720/exception.json | 62 +++
>>> .../arm64/arm/cortex-a720/fp_operation.json | 22 +
>>> .../arch/arm64/arm/cortex-a720/general.json | 10 +
>>> .../arch/arm64/arm/cortex-a720/l1d_cache.json | 50 ++
>>> .../arch/arm64/arm/cortex-a720/l1i_cache.json | 14 +
>>> .../arch/arm64/arm/cortex-a720/l2_cache.json | 62 +++
>>> .../arch/arm64/arm/cortex-a720/l3_cache.json | 22 +
>>> .../arch/arm64/arm/cortex-a720/ll_cache.json | 10 +
>>> .../arch/arm64/arm/cortex-a720/memory.json | 54 +++
>>> .../arch/arm64/arm/cortex-a720/metrics.json | 436 ++++++++++++++++++
>>> .../arch/arm64/arm/cortex-a720/pmu.json | 8 +
>>> .../arch/arm64/arm/cortex-a720/retired.json | 90 ++++
>>> .../arch/arm64/arm/cortex-a720/spe.json | 42 ++
>>> .../arm64/arm/cortex-a720/spec_operation.json | 90 ++++
>>> .../arch/arm64/arm/cortex-a720/stall.json | 82 ++++
>>> .../arch/arm64/arm/cortex-a720/sve.json | 50 ++
>>> .../arch/arm64/arm/cortex-a720/tlb.json | 74 +++
>>> .../arch/arm64/arm/cortex-a720/trace.json | 32 ++
>>> .../arch/arm64/common-and-microarch.json | 15 +
>>> tools/perf/pmu-events/arch/arm64/mapfile.csv | 2 +
>>> 39 files changed, 2263 insertions(+)
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/bus.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/exception.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/fp_operation.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/general.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/l1d_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/l1i_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/l2_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/l3_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/ll_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/memory.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/metrics.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/pmu.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/retired.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/spec_operation.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/stall.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/sve.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/tlb.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a520/trace.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/bus.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/exception.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/fp_operation.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/general.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/l1d_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/l1i_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/l2_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/l3_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/ll_cache.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/memory.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/metrics.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/pmu.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/retired.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/spe.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/spec_operation.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/stall.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/sve.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/tlb.json
>>> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/cortex-a720/trace.json
>>>
>>> --
>>> 2.47.2
>>>
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