Inserting DVFS Code in Hard Real-Time System Tasks

2017 ◽  
Author(s):  
Diego Pinheiro ◽  
Rawlinson Goncalves ◽  
Eduardo Valentin ◽  
Horacio Oliveira ◽  
Raimundo Barreto
Keyword(s):  
Real Time ◽  
Time System ◽  
Real Time System ◽  
Hard Real Time

The Goal-Setting Model in a Multiagent Hard Real-Time System

Vestnik MEI ◽  
2018 ◽  
Vol 5 (5) ◽  
pp. 73-78
Author(s):  
Igor В. Fominykh ◽  
◽  
Sergey V. Romanchuk ◽  
Nikolay Р. Alekseev ◽  
◽  
...  
Keyword(s):  
Real Time ◽  
Goal Setting ◽  
Time System ◽  
Real Time System ◽  
Hard Real Time

A Novel Constraint Specification of Weakly Hard Real-Time System Based on Fixed Sliding Window

2013 ◽  
Vol 475-476 ◽  
pp. 1161-1166
Author(s):  
Xu Dong Zhu ◽  
Hui You Chang
Keyword(s):  
Real Time ◽  
Sliding Window ◽  
The Novel ◽  
Calculation Methods ◽  
Time System ◽  
Real Time System ◽  
Constraint Specification ◽  
Minimum Probability ◽  
System Constraint ◽  
Hard Real Time

This paper puts forward a novel constraint specification. By limitations on the maximum of consecutive miss of deadline and the minimum probability of meeting deadline on the fixed sliding window s×m, the novel constraint specification has three contributions to the research of the weakly hard real-time system constraint specification. Firstly, has configurable flexible parameters which can easily realize all hard real-time, soft real-time and weakly hard real-time only by changing the parameters. Secondly, replacing the "fixed sliding window" with the "any" window, the novel constraint specification not only simplify the calculation of real-time, which will reduce the time consume, but also broaden the application scope such as smoothly scheduling. Moreover, the fixed sliding window is helpful to find a schedulable μ-pattern. Thirdly, the novel constraint specification solves the invalidity of some constraint specification when the first invocation of task is lost or missed. Through analysis and experiments, the results demonstrate that our novel constraint specification outperform previous approaches in both calculation methods and application scopes.

Two-Level Partition Scheduling in Hard Real Time System Under Strong Partition Constraints

2010 ◽  
Vol 33 (6) ◽  
pp. 1032-1039
Author(s):  
Xin-Ying LI ◽  
Jian GU ◽  
Feng HE ◽  
Hua-Gang XIONG
Keyword(s):  
Real Time ◽  
Time System ◽  
Real Time System ◽  
Hard Real Time
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