FIXED PRIORITY SCHEDULING OF HARD REAL-TIME MULTIMEDIA DISK TRAFFIC

被引：6

作者：

TINDELL, K ^{[1
]}

BURNS, A ^{[1
]}

机构：

[1] UNIV YORK,DEPT COMP SCI,REAL TIME SYST RES GRP,YORK YO1 5DD,N YORKSHIRE,ENGLAND

来源：

COMPUTER JOURNAL | 1994年 / 37卷 / 08期

关键词：

D O I：

10.1093/comjnl/37.8.691

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper we show how existing real-time scheduling theory, developed to analyse the behaviour of tasks executing on processing resources, can be applied to the problem of guaranteeing the performance of multi-media information streams read from a disk system. Analysis is derived that takes into account disk layout and predicts the worst-case response times for disk requests. It is shown how buffer size, priority of request and size of non-pre-emptable operations all crucially affect behaviour. The object of the paper is to define an effective run-time test that can be used to determine if new streams can be accommodated.

引用

页码：691 / 697

页数：7

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