Merge "Add Crystalball Perfetto v2 metric spec for Ui Tracing slice durations" into main

# Copyright (C) 2025 The Android Open Source Project

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# Licensed under the Apache License, Version 2.0 (the "License");

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#      http:www.apache.org/licenses/LICENSE-2.0

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metric_spec: {

  id: "avg_runtime_per_uitracing_slice"

  dimensions: "slice_name"

  value: "avg_runtime"

  query: {

    id: "duration_per_process"

    inner_query: {

      simple_slices: {

         slice_name_glob: "UiTracing::*"

      }

      select_columns: { column_name: "dur" }

      select_columns: { column_name: "slice_name" }

    }

    group_by: {

      column_names: "slice_name"

      aggregates: {

        column_name: "dur"

        # TODO (b/416488773): Change this to MEDIAN to be more robust against outliers

        op: MEAN

        result_column_name: "avg_runtime"

      }

    }

    select_columns: { column_name: "slice_name" }

    select_columns: { column_name: "avg_runtime" }

  }

}