A comparative analysis of RTLinux and RTAI

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Unformatted text preview: A comparative analysis of RTLinux and RTAI http://www.linuxdevices.com/articles/AT6209038218.html Click here to learn about this Sponsor: Home | News | Articles | Polls | Forum Keywords: A comparative analysis of RTLinux and RTAI Ismael Ripoll (Sept. 27, 2002) Match: All keywords Search articles Got a HOT tip? please tell us! Free weekly newsletter Enter your email... Subscribe This technical whitepaper by Ismael Ripoll is intended to provide a detailed comparison between RTLinux and RTAI. Ripoll set out to put together all of the relevant facts about both implementations, in order to assist developers in deciding which approach better fits their specific application's requirements. Quoting from the introduction . . . "In this document I have tried to put together the most relevant (in my opinion) characteristics of RTLinux and RTAI. I did my best, but I know there may be errors . . . This document do not intend to be the last word on this issue." "There are two different approaches to provide real-time performance with Linux: (1) Improving the Linux kernel preemption; (2) Adding a new software layer beneath the Linux kernel with full control of interrupts and processor key features. "There are two working groups on each approach: TimeSys and Linux kernel preemption project (supported by MontaVista) took the first approach; both groups are working in parallel to produce a similar result. The second approach is supported by RTLinux and RTAI . . ." Read full story Click here for a profile of each sponsor: PLATINUM SPONSORS GOLD SPONSORS (Become a sponsor) (Become a sponsor) ADVERTISEMENT About the author: Ismael Ripoll has served as professor at the Universidad Politcnica de Valencia since 1994. He received his PhD degree in Computer Science from the same university in 1996, having done his thesis on the subject of real-time dynamic scheduling algorithms. Ripoll's current research interests include real-time scheduling, RTLinux, and Linux security. Ripoll's work related to Linux and real-time Linux in his research group is available here. (Advertise here) Related stories: RTLinux -- a hard real-time Linux add-on DIAPM-RTAI -- a Real-time Linux API Update: Real-time Linux sub-kernels, benchmarks, and . . . contention Kevin Dankwardt on Real Time and Linux (Part 1) Kevin Dankwardt on Real Time and Linux (Part 2) Kevin Dankwardt on Real Time and Linux (Part 3) Which is better -- the preempt patch, or the low-latency patch? Both! Yodaiken: Against Priority Inheritance Priority Inheritance: The Real Story Comparing real-time Linux alternatives The Real-time Linux Software Quick Reference Guide Check out the latest Linux powered... Mobile phones! MIDs, UMPCs & tablets Mobile devices Other cool gadgets Talk back! 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This note was uploaded on 07/16/2009 for the course SYSC 3303 taught by Professor Shramp during the Spring '09 term at Carleton CA.

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