In this Linux Journal technical article published at ELJonline, Bruce Johnson explains how real-time data monitors differ from traditional debugging tools and are powerful allies in the process of real-time software development. Johnson writes . . .

“By definition, real-time systems interact with a dynamic world. This fact creates many challenges in designing, implementing and debugging real-time software. Fortunately for those of us who develop real-time embedded software, a number of excellent tools can help make these tasks a bit easier. Tools such as low-level monitors, in-circuit emulators and source-level debuggers are readily available and should be standard equipment in our software development toolkits. However, many problems are not visible from any of these traditional debugging tools. Debugging tools usually deal only with static values of stopped programs. Any tool that stops program execution simply cannot answer questions such as . . .”

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