Function pprofUnitText

internal/driver/html/stacks.js:615–638

(value, unit)

// pprofUnitText returns a formatted string to display for value in the specified unit.
function pprofUnitText(value, unit) {
  const sign = (value < 0) ? "-" : "";
  let v = Math.abs(value);
  // Rescale to appropriate display unit.
  let list = null;
  for (const def of pprofUnitDefs) {
    if (def.DefaultUnit.CanonicalName == unit) {
      list = def.Units;
      v *= def.DefaultUnit.Factor;
      break;
    }
  }
  if (list) {
    // Stop just before entry that is too large.
    for (let i = 0; i < list.length; i++) {
      if (i == list.length-1 || list[i+1].Factor > v) {
        v /= list[i].Factor;
        unit = list[i].CanonicalName;
        break;
      }
    }
  }
  return sign + Number(v.toFixed(2)) + unit;
}