 thread looks like
   *
   * |0    |10   |20   |30   |40   |50   |60   |70  .... Time
   * [     ]     [     ]     [     ]     [     ]    .... Slices
   *
   * where each slice has a duration of 10ms and CPU time of 5ms.
   *
   * The IO Thread looks like
   *
   * |0    |50   |100  |150  |200  |250  |300  |350 .... Time
   * [        ]  [        ]  [        ]  [        ] .... Slices
   *
   * where each slice has a duration of 80ms and CPU time of 40ms.
   */
  function getAllThreadsOfSameProcessModelSpec_