WCET Estimation for Real-Time Communication System by the Module of GPD

doi:10.13190/j.jbupt.2016.s.002

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2016, Vol. 39 ›› Issue (s1): 6-9.doi: 10.13190/j.jbupt.2016.s.002

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WCET Estimation for Real-Time Communication System by the Module of GPD

WANG Hai-rui

The People's Liberation Army Troop 65663, Liaoning Jinzhou 121001, China

Received:2015-09-15 Online:2016-06-28 Published:2016-06-28

Abstract

Abstract:

In design of real-time communication systems, the Worst-Case Execution Time (WCET) of software supplies pledge for the scheduling of the task, it is a creditable base that keeping the system running safely. With continuous growth of software scale and complexity of the hardware, the values of WCET estimated by determinate methods become more and more pessimistic, which greatly reduce the utilizing rate of the system resources . In order to improve the running efficiency of real time system, the article introduced a method of extreme value statistic in the estimation of WCET, and established the GPD model of WCET. The model was verified by experiments, the feasibility and the validity of this method was proven.

Key words: real-time communication system, worst case execution time, extreme value statistic, module of threshold

CLC Number:

TN911.22

WANG Hai-rui. WCET Estimation for Real-Time Communication System by the Module of GPD[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2016, 39(s1): 6-9.

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WCET Estimation for Real-Time Communication System by the Module of GPD

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