f the "power" or
   * "energy" histograms. Power histograms are generated for time intervals
   * that represent events that occur over a period of time. This includes
   * the following intervals
   *
   * - "story"
   * - Any Animation or Idle UE
   *
   * For instance, "the energy it takes to play a video"
   * does not have meaning because it depends on how long the video
   * is; thus a more meaningful metric is power. In contrast, energy histograms
   * are generated for time intervals that represent 