Building real-time parallel task systems on multi-cores: A hierarchical scheduling approach

2019 ◽  
Vol 92 ◽  
pp. 1-11 ◽  
Author(s):  
Tao Yang ◽  
Qingxu Deng ◽  
Lei Sun
Keyword(s):  
Real Time ◽  
Hierarchical Scheduling ◽  
Parallel Task ◽  
Task Systems

scholarly journals Feasibility Analysis of Sporadic Real-Time Multiprocessor Task Systems

Algorithmica ◽  
2011 ◽  
Vol 63 (4) ◽  
pp. 763-780 ◽  
Author(s):  
Vincenzo Bonifaci ◽  
Alberto Marchetti-Spaccamela
Keyword(s):  
Real Time ◽  
Feasibility Analysis ◽  
Task Systems

Hierarchical scheduling for real-time agile satellite task scheduling in a dynamic environment

2019 ◽  
Vol 63 (2) ◽  
pp. 897-912 ◽  
Author(s):  
Lei He ◽  
Xiao-Lu Liu ◽  
Ying-Wu Chen ◽  
Li-Ning Xing ◽  
Ke Liu
Keyword(s):  
Real Time ◽  
Task Scheduling ◽  
Dynamic Environment ◽  
Hierarchical Scheduling ◽  
Agile Satellite

scholarly journals Multi-core real-time scheduling for generalized parallel task models

2012 ◽  
Vol 49 (4) ◽  
pp. 404-435 ◽  
Author(s):  
Abusayeed Saifullah ◽  
Jing Li ◽  
Kunal Agrawal ◽  
Chenyang Lu ◽  
Christopher Gill
Keyword(s):  
Real Time ◽  
Parallel Task ◽  
Real Time Scheduling ◽  
Time Scheduling

New Optimal Solutions for Real-Time Reconfigurable Periodic Asynchronous Operating System Tasks with Minimizations of Response Time

2012 ◽  
Vol 1 (4) ◽  
pp. 88-131 ◽  
Author(s):  
Hamza Gharsellaoui ◽  
Mohamed Khalgui ◽  
Samir Ben Ahmed
Keyword(s):  
Response Time ◽  
Real Time ◽  
Scheduling Algorithm ◽  
Processing Unit ◽  
Software Faults ◽  
Worst Case ◽  
Agent Based ◽  
Central Processing ◽  
Technical Solutions ◽  
Task Systems

Scheduling tasks is an essential requirement in most real-time and embedded systems, but leads to unwanted central processing unit (CPU) overheads. The authors present a real-time schedulability algorithm for preemptable, asynchronous and periodic reconfigurable task systems with arbitrary relative deadlines, scheduled on a uniprocessor by an optimal scheduling algorithm based on the earliest deadline first (EDF) principles and on the dynamic reconfiguration. A reconfiguration scenario is assumed to be a dynamic automatic operation allowing addition, removal or update of operating system’s (OS) functional asynchronous tasks. When such a scenario is applied to save the system at the occurrence of hardware-software faults, or to improve its performance, some real-time properties can be violated. The authors propose an intelligent agent-based architecture where a software agent is used to satisfy the user requirements and to respect time constraints. The agent dynamically provides precious technical solutions for users when these constraints are not verified, by removing tasks according to predefined heuristic, or by modifying the worst case execution times (WCETs), periods, and deadlines of tasks in order to meet deadlines and to minimize their response time. They implement the agent to support these services which are applied to a Blackberry Bold 9700 and to a Volvo system and present and discuss the results of experiments.

Efficient Feasibility Analysis for Graph-Based Real-Time Task Systems

2020 ◽  
Vol 39 (11) ◽  
pp. 3385-3397
Author(s):  
Jinghao Sun ◽  
Rongxiao Shi ◽  
Kexuan Wang ◽  
Nan Guan ◽  
Zhishan Guo
Keyword(s):  
Real Time ◽  
Feasibility Analysis ◽  
Time Task ◽  
Task Systems

scholarly journals A Generalized Parallel Task Model for Recurrent Real-Time Processes

2019 ◽  
Vol 6 (1) ◽  
pp. 1-40 ◽  
Author(s):  
Vincenzo Bonifaci ◽  
Andreas Wiese ◽  
Sanjoy K. Baruah ◽  
Alberto Marchetti-Spaccamela ◽  
Sebastian Stiller ◽  
...  
Keyword(s):  
Real Time ◽  
Parallel Task ◽  
Task Model

scholarly journals Multi-core Real-Time Scheduling for Generalized Parallel Task Models

2011 ◽  
Author(s):  
Abusayeed Saifullah ◽  
Kunal Agrawal ◽  
Chenyang Lu ◽  
Christopher Gill
Keyword(s):  
Real Time ◽  
Parallel Task ◽  
Real Time Scheduling ◽  
Time Scheduling
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