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Date:   Thu, 17 Aug 2023 14:13:54 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     James Clark <james.clark@arm.com>
Cc:     John Garry <john.g.garry@oracle.com>,
        Will Deacon <will@kernel.org>,
        Mike Leach <mike.leach@linaro.org>,
        Leo Yan <leo.yan@linaro.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
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        Namhyung Kim <namhyung@kernel.org>,
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        Kajol Jain <kjain@linux.ibm.com>,
        Haixin Yu <yuhaixin.yhx@linux.alibaba.com>,
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        Kan Liang <kan.liang@linux.intel.com>,
        Andrii Nakryiko <andrii@kernel.org>,
        Eduard Zingerman <eddyz87@gmail.com>,
        Sohom Datta <sohomdatta1@gmail.com>,
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        linux-arm-kernel@lists.infradead.org,
        linux-perf-users@vger.kernel.org, irogers@google.com,
        renyu.zj@linux.alibaba.com
Subject: Re: [PATCH v6 6/6] perf vendor events arm64: Update N2 and V2
 metrics and events using Arm telemetry repo
Message-ID: <ZN5VUkswJnwTaWZj@kernel.org>
References: <20230816114841.1679234-1-james.clark@arm.com>
 <20230816114841.1679234-7-james.clark@arm.com>
 <81e404fb-0eae-e4b8-299a-54ac860fd1dd@oracle.com>
 <43e5d3e9-fe5f-655d-a6d3-44d47081e1a4@arm.com>
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Em Thu, Aug 17, 2023 at 03:41:11PM +0100, James Clark escreveu:
> 
> 
> On 17/08/2023 12:09, John Garry wrote:
> > On 16/08/2023 12:47, James Clark wrote:
> >> Apart from some slight naming and grouping differences, the new metrics
> >> are functionally the same as the existing ones. Any missing metrics were
> >> manually appended to the end of the auto generated file.
> >>
> >> For the events, the new data includes descriptions that may have product
> >> specific details and new groupings that will be consistent with other
> >> products.
> >>
> >> After generating the metrics from the telemetry repo [1], the following
> >> manual steps were performed:
> >>
> >> ? * Change the topdown expressions to compare on CPUID and use
> >> ??? #slots so that the same data can be shared between N2 and V2. Apart
> >> ??? from these modifications, the expressions now match more closely with
> >> ??? the Arm telemetry data which will hopefully make future updates
> >> ??? easier.
> >>
> >> ? * Append some metrics from the old N2/V2 data that aren't present in
> >> ??? the telemetry data. These will possibly be added to the
> >> ??? telemetry-solution repo at a later time:
> >>
> >> ???? l3d_cache_mpki, l3d_cache_miss_rate, branch_pki, ipc_rate, spec_ipc,
> >> ???? retired_rate, wasted_rate, branch_immed_spec_rate,
> >> ???? branch_return_spec_rate, branch_indirect_spec_rate
> >>
> >> [1]:https://urldefense.com/v3/__https://gitlab.arm.com/telemetry-solution/telemetry-solution/-/blob/main/data/pmu/cpu/neoverse/neoverse-n2.json__;!!ACWV5N9M2RV99hQ!NW7DYe7T69u8RFn9WLyiCcoHm-8BtlxNK3PRw19udocwlwv0vQpjcSDT5XqGbWzvPQyFrG-eRkuu_VZt7cO8-Q$?
> >> Signed-off-by: James Clark<james.clark@arm.com>
> > 
> > Reviewed-by: John Garry <john.g.garry@oracle.com>
> 
> Thanks for the reviews!

Thanks everybody, patches merged, reviewed-by tags collected.

- Arnaldo