Timing constraint remapping to achieve time equi-continuity in distributed real-time systems

2001 ◽  
Vol 50 (12) ◽  
pp. 1310-1320 ◽  
Author(s):  
Minsoo Ryu ◽  
Jungkeun Park ◽  
Seongsoo Hong
Keyword(s):  
Real Time ◽  
Real Time Systems ◽  
Timing Constraint ◽  
Time Systems

A SYSTEM FOR VISUALIZING AND DEBUGGING DISTRIBUTED REAL-TIME SYSTEMS WITH MONITORING SUPPORT

1996 ◽  
Vol 06 (03) ◽  
pp. 355-400
Author(s):  
JEFFREY J.P. TSAI ◽  
YAO-DONG BI ◽  
STEVE J.H. YANG
Keyword(s):  
Real Time ◽  
Interaction Graph ◽  
Real Time Systems ◽  
Timing Behavior ◽  
Timing Constraint ◽  
Execution Traces ◽  
Target Program ◽  
Run Time ◽  
Time Systems ◽  
Process Interaction

Based on system execution traces, this paper presents a dynamic approach for visualizing and debugging timing constraint violations occurring in distributed real-time systems. The system execution traces used for visualization and debugging are collected during the execution of a target program in such a way that its run-time behavior is not interfered with. This is made possible by our non-interference distributed real-time monitoring system which is capable of collecting system’s run-time traces by monitoring and fetching the data passing through the internal buses of a target system. After the run-time data has been collected, the visualization and debugging activities then proceeded. The timing behavior of a target program is visualized as two graphs—the Colored Process Interaction Graph (CPIG) and the Dedicated Colored Process Interaction Graph (DCPIG). The CPIG depicts the timing behavior of a target program by graphically representing interprocess relationships during their communication and synchronization. The DCPIG can reduce visualization and debugging complexity by focusing on the portion of a target program which has direct or indirect correspondence with an imposed timing constraint. With the help of the CPIG and the DCPIG, a timing analysis method is used for computing the system-related timing statistics and analyzing the causes of timing constraint violations. A visualization and debugging system, called VDS, has been implemented using OpenWindows on Sun-4’s/UNIX workstations.

Software Engineering for Real Time Systems

IEE Review ◽  
1992 ◽  
Vol 38 (3) ◽  
pp. 112
Author(s):  
Stuart Bennett
Keyword(s):  
Software Engineering ◽  
Real Time ◽  
Real Time Systems ◽  
Time Systems

Generic Round Robin Scheduling for Real Time Systems

2017 ◽  
Vol 7 (5) ◽  
pp. 148-155
Author(s):  
Pallab Banerjee ◽  
◽  
Riya Shree ◽  
Richa Kumari Verma ◽  
◽  
...  
Keyword(s):  
Real Time ◽  
Round Robin ◽  
Real Time Systems ◽  
Time Systems
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