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Real-time analysis and improvement of embedded Linux

  • 2013-09-20
  • 260.23KB
  • Points it Requires : 1

While analyzing the real-time performance of Linux, the shortcomings in applying it to embedded real-time systems are pointed out. The effects of interrupt simulation and scheduling strategies on Linux real-time performance are studied and improvement plans are proposed. Keywords: embedded; real-time performance; Linux; interrupt; scheduling strategy Linux is a Unix-like operating system with most of the characteristics of Unix. Linux itself is a general-purpose time-sharing operating system with a good average response time and high throughput. Due to its compliance with GPL, open source code, easy customization, and support for a wide range of computer hardware, embedded Linux has become a research hotspot in the direction of embedded systems in recent years. However, many shortcomings of Linux in real-time applications have affected its application in real-time systems. At present, companies engaged in the development of embedded Linux systems at home and abroad have done a lot of research and improvement work in enhancing and expanding real-time performance and supporting hard real-time performance, and have made a lot of progress.

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