Function summarizeMetrics

performance/k6/src/utils/k6-summary.js:262–413

(options, data, decorate)

}

function summarizeMetrics(options, data, decorate) {
  var indent = options.indent + "  ";
  var result = [];

  var names = [];
  var nameLenMax = 0;

  var nonTrendValues = {};
  var nonTrendValueMaxLen = 0;
  var nonTrendExtras = {};
  var nonTrendExtraMaxLens = [0, 0];

  var trendCols = {};
  var numTrendColumns = options.summaryTrendStats.length;
  var trendColMaxLens = new Array(numTrendColumns).fill(0);
  forEach(data.metrics, function (name, metric) {
    names.push(name);
    // When calculating widths for metrics, account for the indentation on submetrics.
    var displayName = indentForMetric(name) + displayNameForMetric(name);
    var displayNameWidth = strWidth(displayName);
    if (displayNameWidth > nameLenMax) {
      nameLenMax = displayNameWidth;
    }

    if (metric.type == "trend") {
      var cols = [];
      for (var i = 0; i < numTrendColumns; i++) {
        var tc = options.summaryTrendStats[i];
        var value = metric.values[tc];
        if (tc === "count") {
          value = value.toString();
        } else {
          value = humanizeValue(value, metric, options.summaryTimeUnit);
        }
        var valLen = strWidth(value);
        if (valLen > trendColMaxLens[i]) {
          trendColMaxLens[i] = valLen;
        }
        cols[i] = value;
      }
      trendCols[name] = cols;
      return;
    }
    var values = nonTrendMetricValueForSum(metric, options.summaryTimeUnit);
    nonTrendValues[name] = values[0];
    var valueLen = strWidth(values[0]);
    if (valueLen > nonTrendValueMaxLen) {
      nonTrendValueMaxLen = valueLen;
    }
    nonTrendExtras[name] = values.slice(1);
    for (var i = 1; i < values.length; i++) {
      var extraLen = strWidth(values[i]);
      if (extraLen > nonTrendExtraMaxLens[i - 1]) {
        nonTrendExtraMaxLens[i - 1] = extraLen;
      }
    }
  });