Fabian Renn-Giles & Dave Rowland - Real-time 101 - part I: Investigating the real-time problem space

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廣太郎 佐々木

Description: “Real-time” is a term that gets used a lot, but what does it really mean to different industries? What happens when our “real-time” system doesn’t perform in real-time? And how can we ensure that we don’t get in to this situation?
This talk aims to discuss what we mean by a real-time system, the practices that can be used to try and make sure it stays real-time and in particular how these can be subtly or accidentally abused increasing the risk of violating your real-time constraints.
We’ll take a detailed look at some of the considerations for real-time systems and the costs they involve such as system calls, allocations and priority inversion. Then the common tools in a programmer’s box such as mutexes, condition variables and atomics, how these interact with real-time threads and what costs they can incur.
This talk aims to ensure attendees of all experience levels leave with a solid understanding of the problems in the real-time domain and an overview of the tools commonly used to solve them.

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