In this feature article, LinuxDevices.com's Rick Lehrbaum draws on inputs from seven “real-time experts” to put together a comprehensive definition of real-time, probe the issues associated with obtaining adequate real-time performance in Linux systems, and understand some of the alternative real-time Linux approaches. Lehrbaum writes . . .

“During the course of the past week, there's been an increasingly lively discussion (and debate) about the real-time characteristics of Linux, and over which approach is best. As a result, questions like these are starting to become more and more common: What does “real-time” mean? Who (or what) needs real-time, anyhow? How much real-time is really needed? What are the alternative ways to add real-time to Linux?”

“In this article, we'll try to clear away the smoke, and provide some perspective on the subject of real-time Linux. Here's the plan . . .”

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