Poster Abstract: Run-time Dynamic WCET Estimation

被引：0
|
作者：
Cagnizi, Lia [1 ]
Reghenzani, Federico [1 ,2 ]
Fornaciari, William [1 ]
机构：
[1] Politecn Milan, Milan, Italy
[2] European Space Agcy, Noordwijk, Netherlands
来源：
PROCEEDINGS 8TH ACM/IEEE CONFERENCE ON INTERNET OF THINGS DESIGN AND IMPLEMENTATION, IOTDI 2023 | 2023年
关键词：
real-time scheduling; dynamic WCET; compiler transformation;
D O I：
10.1145/3576842.3589168
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
To guarantee the timing constraints of real-time IoT devices, engineers need to estimate the Worst-Case Execution Time. Such estimation is always very pessimistic and represents a condition that almost never occurs in practice. In this poster, we present a novel compiler-based approach that instruments the tasks to inform, at run-time, the operating system when non-worst-case branches are taken. The generated slack is then used to take better scheduling decisions.
引用
收藏
页码：458 / 460
页数：3
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