リアルタイム組込みウィンドウシステム「EMiRea」の実現と評価 Implementation and Evaluation of the Realtime Window System "EMiRea" for Embedded Systems.

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本稿では,T-Engineでのリアルタイム描画処理の実装を行い,リアルタイムの有効性の評価について述べる.近年の組込みシステムには,オペレーティングシステム(OS)のリアルタイムだけでなく,グラフィカルユーザインタフェース(GUI)へもリアルタイム性が必要となってきている.しかし,リアルタイムOSの活発な開発に比べ,リアルタイムGUIはほとんど存在していないのが現状である.本稿で述べる組込みウィンドウシステム「EMiRea」は,描画要求に対するデッドラインの設定やウィンドウへの優先度の付加により,描画処理におけるリアルタイム性を実現した.また,「EMiRea」を使った,リアルタイム処理の有無による違いを比較する評価実験を行った.その結果,リアルタイム性を持つことで,周期などのデッドラインを持つ描画要求を時間制約を守って処理することが可能であることや優先度に従った描画処理が行われることなど,リアルタイム描画処理の有効性を示す結果を得られた.This paper shows to implementation of realtime drawing processing in T-Engine, and evaluation of the validity of realtime drawing. Realtime operation to draw in window system is needed not only for an operating system (OS) but a graphical user interface (GUI) at Embedded systems in recent years. However most Realtime GUI are not developed although Realtime OS is developed actively, in the present. The realtime window system ``EMiRea'' for embedded system is implemented realtime drawing processing by setting deadline as drawing demands and setting priority as windows. Moreover, we compared and evaluated the difference to the existence of realtime using ``EMiRea''. The results that ``EMiRea'' was able to keep time restrictions of the drawing processing with deadlines such as a cycle time, and ``EMiRea'' was able to process drawing according to the priority, were obtained because ``EMiRea'' has realtime processing. As the result, we were able to show the validity of realtime drawing processing.

This paper shows to implementation of realtime drawing processing in T-Engine and evaluation of the validity of realtime drawing. Realtime operation to draw in window system is needed not only for an operating system (OS) but a graphical user interface (GUI) at Embedded systems in recent years. However most Realtime GUI are not developed although Realtime OS is developed actively in the present. The realtime window system "EMiRea" for embedded system is implemented realtime drawing processing by setting deadline as drawing demands and setting priority as windows. Moreover we compared and evaluated the difference to the existence of realtime using "EMiRea". The results that "EMiRea" was able to keep time restrictions of the drawing processing with deadlines such as a cycle time and "EMiRea" was able to process drawing according to the priority were obtained because "EMiRea" has realtime processing. As the result we were able to show the validity of realtime drawing processing.

収録刊行物

  • 情報処理学会研究報告システムソフトウェアとオペレーティング・システム(OS)

    情報処理学会研究報告システムソフトウェアとオペレーティング・システム(OS) 2004(17(2003-OS-095)), 17-24, 2004-02-26

    一般社団法人情報処理学会

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各種コード

  • NII論文ID(NAID)
    110002913927
  • NII書誌ID(NCID)
    AN10444176
  • 本文言語コード
    JPN
  • 資料種別
    Technical Report
  • ISSN
    09196072
  • NDL 記事登録ID
    6879181
  • NDL 雑誌分類
    ZM13(科学技術--科学技術一般--データ処理・計算機)
  • NDL 請求記号
    Z14-1121
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  IPSJ 
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