tools/perf/scales.js

// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import chart from "./chart.js";
import state from "./state.js";

function get() {
  const scales = {};
  scales.x = {
    ticks: {
      callback: function (val, index) {
        const commit = chart.getFilteredCommit(val);
        return new Date(commit.submitted * 1000).toLocaleDateString("en-US", {
          year: "numeric",
          month: "2-digit",
          day: "2-digit",
        });
      },
    },
  };
  if (state.hasLegend("Dex size")) {
    scales.y = {
      position: "left",
      title: {
        display: true,
        text: "Dex size (bytes)",
      },
    };
  } else {
    console.assert(!state.hasLegend("Instruction size"));
    console.assert(!state.hasLegend("Composable size"));
    console.assert(!state.hasLegend("Oat size"));
  }
  console.assert(state.hasLegend("Runtime"));
  console.assert(state.hasLegend("Runtime variance"));
  console.assert(state.hasLegend("Warmup"));
  scales.y_runtime = {
    position: state.hasLegend("Dex size") ? "right" : "left",
    title: {
      display: true,
      text: "Runtime (seconds)",
    },
  };
  if (state.hasLegend("GC old count") || state.hasLegend("GC young count")) {
    scales.y_gc_count = {
      position: "left",
      title: {
        display: true,
        text: "GC count",
      },
    };
  }
  if (
    state.hasLegend("Instruction size") ||
    state.hasLegend("Composable size")
  ) {
    scales.y_ins_code_size = {
      position: "left",
      title: {
        display: true,
        text: "Instruction size (bytes)",
      },
    };
  }
  if (state.hasLegend("Oat size")) {
    scales.y_oat_code_size = {
      position: "left",
      title: {
        display: true,
        text: "Oat size (bytes)",
      },
    };
  }
  if (state.hasLegend("Resource size")) {
    scales.y_resource_size = {
      position: "left",
      title: {
        display: true,
        text: "Resource size (bytes)",
      },
    };
  }
  return scales;
}

function update(scales) {
  if (scales.y) {
    scales.y.display = state.isLegendSelected("Dex size");
  }
  if (scales.y_gc_count) {
    scales.y_gc_count.display =
      state.isLegendSelected("GC old count") ||
      state.isLegendSelected("GC young count");
  }
  if (scales.y_ins_code_size) {
    scales.y_ins_code_size.display =
      state.isLegendSelected("Instruction size") ||
      state.isLegendSelected("Composable size");
  }
  if (scales.y_oat_code_size) {
    scales.y_oat_code_size.display = state.isLegendSelected("Oat size");
  }
  if (scales.y_resource_size) {
    scales.y_resource_size.display = state.isLegendSelected("Resource size");
  }
  if (scales.y_runtime) {
    scales.y_runtime.display =
      state.isLegendSelected("Runtime") ||
      state.isLegendSelected("Runtime variance") ||
      state.isLegendSelected("Warmup") ||
      state.isLegendSelected("GC old time") ||
      state.isLegendSelected("GC young time");
  }
}

export default {
  get: get,
  update: update,
};