Messages in this thread | | | Date | Thu, 17 Aug 2023 12:09:14 +0100 | Subject | Re: [PATCH v6 6/6] perf vendor events arm64: Update N2 and V2 metrics and events using Arm telemetry repo | From | John Garry <> |
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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>
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