제어로봇시스템학회논문지 (Journal of Institute of Control, Robotics and Systems)

  • 제18권4호
  • /
  • Pages.337-342
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  • 2012
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  • 1976-5622(pISSN)
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  • 2233-4335(eISSN)
제어로봇시스템학회 (Institute of Control, Robotics and Systems)
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실시간 임베디드 리눅스의 실시간 메커니즘 성능 분석

Performance Evaluation of Real-time Mechanisms for Real-time Embedded Linux

  • 고재환 (서울과학기술대학교 전기정보시스템공학과) ;
  • 최병욱 (서울과학기술대학교 전기정보시스템공학과)
  • 투고 : 2011.12.09
  • 심사 : 2012.02.08
  • 발행 : 2012.04.01
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초록

This paper presents performance evaluation of real-time mechanisms for real-time embedded linux. First, we presents process for implementing open-source real-time embedded linux namely RTAI and Xenomai. These are real-time extensions to linux kernel and we implemented real-time embedded linux over the latest linux kernel. Measurements of executions of real-time mechanisms for each distribution are performed to give a quantitative comparison. Performance evaluations are conducted in kernel space about repeatability of periodic task, response time of Semaphore, FIFO, Mailbox and Message queue in terms of inter-task communication for each distribution. These rules can be helpful for deciding which real-time linux extension should be used with respect to the requirements of the real-time applications.

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참고문헌

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