Processor capacity reserves: Operating system support for multimedia applications

Clifford W. Mercer, Stefan Savage, Hideyuki Tokuda

研究成果: Conference contribution

220 被引用数 (Scopus)

抄録

Multimedia applications have timing requirements that cannot generally be satisfied using the time-sharing scheduling algorithms of general purpose operating systems. Our approach is to provide the predictability of real-time systems while retaining the flexibility of a time-sharing system. We designed a processor capacity reservation mechanism that isolates programs from the timing and execution characteristics of other programs in the same way that a memory protection system isolates them from outside memory accesses. In this paper, we describe a scheduling framework that supports reservation and admission control, and we introduce a novel reserve abstraction, specifically designed for the microkernel architecture, for measuring and controlling processor usage. We have implemented processor capacity reserves in Real-Time Mach, and we describe the performance of our system on several types of applications.

本文言語English
ホスト出版物のタイトルProceedings of the International Conference on Multimedia Computing and Systems
出版社Publ by IEEE
ページ90-99
ページ数10
ISBN(印刷版)0818655305, 9780818655302
DOI
出版ステータスPublished - 1994 1 1
イベントProceedings of the International Conference on Multimedia Computing and Systems - Boston, MA, USA
継続期間: 1994 5 141994 5 19

出版物シリーズ

名前Proceedings of the International Conference on Multimedia Computing and Systems

Other

OtherProceedings of the International Conference on Multimedia Computing and Systems
CityBoston, MA, USA
Period94/5/1494/5/19

ASJC Scopus subject areas

  • 工学(全般)

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