Latency analysis for data chains of real-time periodic tasks
T Kloda, A Bertout, Y Sorel - 2018 IEEE 23rd international …, 2018 - ieeexplore.ieee.org
A data chain is a sequence of periodic realtime communicating tasks that are processing the
data from sensors up to actuators. It determines an order in which the tasks propagate data …
data from sensors up to actuators. It determines an order in which the tasks propagate data …
Analytical characterization of end-to-end communication delays with logical execution time
Modern automotive embedded systems are composed of multiple real-time tasks
communicating by means of shared variables. The effect of an initial event is typically …
communicating by means of shared variables. The effect of an initial event is typically …
On the equivalence of maximum reaction time and maximum data age for cause-effect chains
Real-time systems require a formal guarantee of timing-constraints, not only for individual
tasks but also for data-propagation. The timing behavior of data-propagation paths in a …
tasks but also for data-propagation. The timing behavior of data-propagation paths in a …
Constrained data-age with job-level dependencies: How to reconcile tight bounds and overheads
T Klaus, M Becker… - 2021 IEEE 27th Real …, 2021 - ieeexplore.ieee.org
Many industrial real-time systems rely on the implicit register communication paradigm to
minimize overheads and ease distributed development. Here, tasks follow a simple input …
minimize overheads and ease distributed development. Here, tasks follow a simple input …
Evaluation of the age latency of a real-time communicating system using the LET paradigm
AM Kordon, N Tang - ECRTS 2020, 2020 - hal.science
Automotive and avionics embedded systems are usually composed of several tasks that are
subject to complex timing constraints. In this context, the LET paradigm was introduced to …
subject to complex timing constraints. In this context, the LET paradigm was introduced to …
Verifying end-to-end real-time constraints on multi-periodic models
Control-command systems must usually satisfy a set of high-level end-to-end timing
constraints to ensure their correctness. We propose a formal approach to verify these …
constraints to ensure their correctness. We propose a formal approach to verify these …
Computing latency of a real-time system modeled by synchronous dataflow graph
J Khatib, A Munier-Kordon, EC Klikpo… - Proceedings of the 24th …, 2016 - dl.acm.org
Mixed applications that gather real-time tasks and best effort jobs require a research effort in
order to be effectively modeled and executed. Therefore, in this study we define a general …
order to be effectively modeled and executed. Therefore, in this study we define a general …
Latency upper bound for data chains of real-time periodic tasks
T Kloda, A Bertout, Y Sorel - Journal of Systems Architecture, 2020 - Elsevier
The inter-task communication in embedded real-time systems can be achieved using
various patterns and be subject to different timing constraints. One of the most basic …
various patterns and be subject to different timing constraints. One of the most basic …
Data propagation delay constraints in multi-rate systems: Deadlines vs. job-level dependencies
Many industrial areas are faced with a continuous increase in system complexity, while
systems need to satisfy stringent timing requirements, which are traditionally based on the …
systems need to satisfy stringent timing requirements, which are traditionally based on the …
A generic framework facilitating early analysis of data propagation delays in multi-rate systems
A majority of multi-rate real-time systems are constrained by a multitude of timing
requirements, in addition to the traditional deadlines on well-studied response times. This …
requirements, in addition to the traditional deadlines on well-studied response times. This …