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SubjectRe: [PATCH v2] perf vendor events arm64: Add Cortex-A57 and Cortex-A72 events
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On 5/6/19 12:25 AM, John Garry wrote:
> On 03/05/2019 00:47, Florian Fainelli wrote:
>> The Cortex-A57 and Cortex-A72 both support all ARMv8 recommended events
>> up to the RC_ST_SPEC (0x91) event with the exception of:
>>
>> - L1D_CACHE_REFILL_INNER (0x44)
>> - L1D_CACHE_REFILL_OUTER (0x45)
>> - L1D_TLB_RD (0x4E)
>> - L1D_TLB_WR (0x4F)
>> - L2D_TLB_REFILL_RD (0x5C)
>> - L2D_TLB_REFILL_WR (0x5D)
>> - L2D_TLB_RD (0x5E)
>> - L2D_TLB_WR (0x5F)
>> - STREX_SPEC (0x6F)
>>
>> Create an appropriate JSON file for mapping those events and update the
>> mapfile.csv for matching the Cortex-A57 and Cortex-A72 MIDR to that
>> file.
>
> I suppose you could have also created separate a72 and a57 folders, and
> used a symbolic link for the json. That would have kept the folder
> structure consistent and neat.

Will, Mark, any preference on that? Either way works fine.

>
>>
>> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> Apart from the above:
>
> Reviewed-by: John Garry <john.garry@huawei.com>

Thanks

>
>> ---
>> Changes in v2:
>>
>> - added a shared directory for both Cortex-A57 and A72 (Will)
>> - removed unsupported ARMv8 v3 events (John)
>>
>>  .../arm/cortex-a57-a72/core-imp-def.json      | 179 ++++++++++++++++++
>>  tools/perf/pmu-events/arch/arm64/mapfile.csv  |   2 +
>>  2 files changed, 181 insertions(+)
>>  create mode 100644
>> tools/perf/pmu-events/arch/arm64/arm/cortex-a57-a72/core-imp-def.json
>>
>> diff --git a/tools/perf/pmu-even
>


--
Florian

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