Work-in-Progress: Strong APA Scheduling in a Real-Time Operating System

被引：0
|
作者：
Dubey, Richi [1 ]
Banerjee, Vijay [2 ]
Hounsinou, Sena [2 ]
Bloom, Gedare [2 ]
机构：
[1] Birla Inst Technol & Sci Pilani, Zuarinagar, Goa, India
[2] Univ Colorado Colorado Springs, Colorado Springs, CO USA
来源：
2021 INTERNATIONAL CONFERENCE ON EMBEDDED SOFTWARE (EMSOFT 2021) | 2021年
关键词：
RTOS; RTEMS; SMP; APA Scheduling;
D O I：
10.1145/3477244.3477623
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Arbitrary processor affinities are used in multiprocessor systems to specify the processors on which a task can be scheduled. However, affinity constraints can prevent some high priority real-time tasks from being scheduled, while lower priority tasks execute. This paper presents an implementation and evaluation of the Strong Arbitrary Processor Affinity scheduling on a real-time operating system, an approach that not only respects user-defined affinities, but also supports migration of a higher priority task to allow execution of a task limited by affinity constraints. Results show an improvement in response and turnaround times of higher priority tasks.
引用
收藏
页码：47 / 48
页数：2
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