 and is not very relevant - we exclusively use
      // '.total' for CPU time.
      const cpuPercentageValue = node.values[0].total;
      const cpuTimeValue = node.values[1].total;

      this.histogramSet_.createHistogram(`cpuPercentage:${serializedPathName}`,
          CPU_PERCENTAGE_UNIT, cpuPercentageValue);
      this.histogramSet_.createHistogram(`cpuTime:${serializedPathName}`,
          CPU_TIME_UNIT, cpuTimeValue);
    }


    /**
     * Traverses all the paths of a multidimensional view subtree 