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LinuxInsider: Where Is Real-Time Linux?

Dec 28, 2004, 22:00 (0 Talkback[s])
(Other stories by William Wong)

"Hard real-time Linux has been around for ages, or it may never appear. It all depends on who you talk to. It also depends on your requirements. A two-second interrupt latency may be acceptable for some applications, and even many Linux implementations can easily handle interrupts within tens of milliseconds.

"Part of the problem is that several solutions have existed for many years, like FSMLabs RTLinux, and MontaVista Linux. Both take a different approach to improving the base Linux core interrupt performance. RTLinux drops in a microkernel, RTCore, underneath standard Linux.

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