Function formatOutput

performance-tests/trace-parser.mjs:1013–1064

(stats, options = {})

}

export function formatOutput(stats, options = {}) {
  const { rangeStart, rangeEnd, categories, updateCounters, runs } = stats;
  const { full = false } = options;

  const round = v => Math.round(v || 0);

  if (runs != null) {
    console.log(`Average across ${runs} trace file(s)`);
    console.log('');
  }

  console.log(`Range: ${rangeStart} ms – ${rangeEnd} ms`);
  console.log('');
  console.log(`System      ${round(categories.other)} ms`);
  console.log(`Scripting   ${round(categories.scripting)} ms`);
  console.log(`Rendering   ${round(categories.rendering)} ms`);
  console.log(`Loading     ${round(categories.loading)} ms`);
  console.log(`Painting    ${round(categories.painting)} ms`);
  console.log(`Experience  ${round(categories.experience)} ms`);

  if (full || round(categories.messaging)) {
    console.log(`Messaging   ${round(categories.messaging)} ms`);
  }
  if (full || round(categories.gpu)) {
    console.log(`GPU         ${round(categories.gpu)} ms`);
  }
  if (full || round(categories.async)) {
    console.log(`Async       ${round(categories.async)} ms`);
  }
  console.log(`Idle        ${round(categories.idle)} ms`);
  console.log('');
  console.log(`Total       ${rangeEnd} ms`);

  if (updateCounters) {
    const u = updateCounters;

    console.log('');
    console.log(
      runs != null ? 'UpdateCounters (main frame, averaged)' : 'UpdateCounters (main frame)',
    );
    const cell = v => (v == null ? '—' : String(v));

    console.log(`Min JS heap     ${u.jsHeapMinLabel}`);
    console.log(`Max JS heap     ${u.jsHeapMaxLabel}`);
    console.log(`Min Documents   ${cell(u.documentsMin)}`);
    console.log(`Max Documents   ${cell(u.documentsMax)}`);
    console.log(`Min Nodes       ${cell(u.nodesMin)}`);
    console.log(`Max Nodes       ${cell(u.nodesMax)}`);
    console.log(`Min Listeners   ${cell(u.listenersMin)}`);
    console.log(`Max Listeners   ${cell(u.listenersMax)}`);
  }
}

const isMain =
  process.argv[1] &&