Function summarizeLongTasks

tooling/scripts/perf-web-runtime.mjs:471–478

(longTasks)

}

function summarizeLongTasks(longTasks) {
  const durations = longTasks.map((task) => task.duration)
  return {
    count: longTasks.length,
    maxMs: round(Math.max(0, ...durations)),
    p95Ms: round(percentile(durations, 95))
  }
}

function sampleWindow(sample, timeOrigin) {
  if (!sample || typeof sample.at !== 'number' || typeof sample.durationMs !== 'number') {