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研究生:賴仕棋
研究生(外文):Shih-Chi Lai
論文名稱:以硬體式—即時性作業系統事件管理之設計與實現
論文名稱(外文):Hardware Based—Real Time Operating System Event Manager Design and Implement
指導教授:張慶龍張慶龍引用關係
指導教授(外文):Ching-Lung Chang
學位類別:碩士
校院名稱:國立雲林科技大學
系所名稱:電子與資訊工程研究所碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2004
畢業學年度:92
語文別:中文
論文頁數:53
中文關鍵詞:Timer管理可調整時間解析度即時性作業系統
外文關鍵詞:Real Time OSATRclock TickTimer manager
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Timer在即時系統環境扮演極為重要的角色,它的解析度、準確性決定系統的效能、正確性與反應,本論文主要是探討如何在即時性作業系統中,提供高準確性、高解析度的timer給作業系統與應用軟體,以降低事件產生/反應之jitter。本論文提出一Hardware-Based Timer Manger管理器之系統架構,將作業系統內有關時間服務的部份off-load至外部硬體單元來負責,以增進系統的效能,改善即時作業系統之time skew、time drift與tick resolution問題。
The role of a timer in the Real Time Operation System is a very important. Its resolution and accuracy decide the system''s efficiency, correction, and reaction. This thesis is to research how to provide the high accuracy and the high resolution''s timer to the operating systems and application software on the Real Time OS. The purpose of this is to reduce the happening of event or the jitter of reaction. This thesis proposes system architecture of Hardware-Based Timer Manger. That is, all related to time service inside operating system will off-load to external hardware unit in order to improve the efficiency of system and to improve system''s time skew, time drift and tick resolution.
中文摘要 i
英文摘要 ii
謝誌 iii
目錄 iv
表目錄 vi
圖目錄 vii
一、 緒論 1
二、 週期性時脈中斷 4
2-1 中斷的額外負擔 7
2-2 中斷處理時間 9
2-3 時鐘節拍(Clock Tick) 11
三、 非週期性時脈中斷 15
四、 Hardware-Base Timer 18
4-1 Hardware-Based Timer硬體架構 20
4-2 鏈結式 26
4-3 Insert to Next Field 27
4-4 Sort with Event priority 29
4-5 臨界區段(critical section)之問題 30
五、 實際量測 33
5-1 Hardware-Base Timer 平台 34
5-2 HB-Timer V.S ATR效能量測比較 36
六、 結論 40
參考文獻 41
簡歷 43
[1] Y. Etsion, D. Tsafrir, and D. G. Feitelson, “Effects of Clock Resolution on the Scheduling of Interactive and Soft RealTime Processes “, In SIGMETRICS Conf. Measurement & Modeling of Comput. Syst., Jun 2003.
[2] Jin-Ho Kim, Saewoong Bahk, Hyogon Kim, “Performance Impact of Coarse Timer Granularities on QoS Guarantees in Unix-Based Systems “, IEEE Transactions on Computers, vol. 52, NO. 1, January 2003.
[3]Samsung S3C4510B user manual, http://www.samsung.com/Products/Semiconductor/SystemLSI/Networks/PersonalNTASSP/CommunicationProcessor/S3C4510B/um_s3c4510b_rev1.pdf
[4] Tae Rim Park, Jae Hyun Park, and Wook Hyun Kwon, “Reducing OS Overhead for Real-Time Industrial Controllers with Adjustable Timer Resolution “, IEEE International Symposium on ISIE 2001, vol. 1, Pages:369 – 374, 12-16 June 2001.
[5] A. Parisoto, A. Souza Jr., L. Carro, M. Pontremoli, C. Pereira and A. Suzim, “F-Timer:Dedicated FPGA to Real-Time Systems Design Support “, Real-Time Systems, 1997. Proceedings., Ninth Euromicro Workshop on , Pages:35 – 40, 11-13 June 1997.
[6] Pramote Kuacharoen, Mohamed A. Shalan and Vincent J. Mooney III, “A Configurable Hardware Scheduler for Real-Time Systems “, http://www.ece.gatech.edu/research/codesign/publications/pramote/paper/chs-ERSA03.pdf
[7] Jean Labrosse, Micro C/OS: Real Time Kernel II: The Real-Time Kernel, R&D Books, Kansas, 1998
[8] Abraham Silberschatz, Greg Gagne, Peter Baer Galvin. OPERATING SYSTEM CONCEPTS, Sixth EDITION, Pages:191-197 1999
[9] XILINX SPARTAN XC2S200 FPGA, http://www.xilinx.com/bvdocs/publications/ds001.pdf
[10] Steve Furber. ARM system-on-chip architecture. Addison-Wesley Publishing Company, 2000
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