Illustrated Blog on Embedded Software Architecture
We need a GUI thread. …is a common developer’s reaction when the application only responds slowly to user clicks. The developer might be right: when some (gui) events require a lot of processing then having more than one thread, e.g. a GUI thread and one or more worker threads, is one of the solutions. The […]
I found the inspiration for this article while working on a consultancy job: Priority inversion. In computer science, priority inversion is a (potential) problematic scenario in scheduling in which a high priority task is indirectly preempted by a medium priority task effectively inverting the relative priorities of the two tasks. (http://en.wikipedia.org/wiki/Priority_inversion) To put it more […]
This post is Part 2 of the series. Part1, which explains Programs and Processes, can be found here. Thread A thread is a single path of execution and schedulable by the CPU. It has its own stack, program counter and set of registers. A process (living program and container of all resources — see Part1) has one […]
Introduction Especially process and thread are terms which have many different definitions and implementations. And therefor, it is easy to get confused, and hard to get the concepts crystallized in your mind. Just do some googling and you will find plenty of sources which more or less contradict each other. We will add another source […]
Recently we were involved in improving boot-up times of a Linux based platform. We noticed that the boot-up time was much longer than expected based on the processor speed. The only way to figure out what was happening was to profile the start-up procedure. Something that is not always easy on limited embedded platforms like […]
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RTOS bvba is a young company which was founded in 2012 by Pieter Beyens and Gert Boddaert. Please read our Mission Statement to find out our goals and initiatives. About us
Kris Bellemans is a software engineer employed at Sioux Embedded Systems, Belgium. He is passionate about low-level programming, embedded Linux and technology and science in general and has 4 years of experience in the field of software engineering. For more information, check his LinkedIn profile.
Patrice's professional tag cloud: anything mobile, software design, explorer, Enterprise Architecture, Agile Coach.
http://blog.threeandahalfroses.com
Luc has more than twenty years of experience in embedded systems and real-time behavior. He is specialized in Operating Systems and interactions between hardware an software. Besides owning his company Luperco, he performs research on real-time scheduling at the Vrije Universiteit Brussel (VUB).
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