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m2I≈m?系统仿真学报@ %l SuPpJI :竺!.!!! !!!竺!!!!!!!!!竺!!竺!!!!竺竺.:竺的CPU调度仿真研究张新宇,胡凯,扬锐,张慧颖(ItnM十m^^fil”n{R nH1㈣91 摘要:H络口真连一#在目镕"竞十*普连采月的目充手段,但是现有∞仿真软*a#R"叶* “t自&进行模“,{考虐硬件H%和*#}‰目CPUⅧ鹰带来∞影自4"☆于日特日,到l§ “脖胀,$☆8的女栽女*提升.《#情况F CPU戍T制∞路自**H&∞关健基于r*健m ”月镕*真#,提女T支特单哆*CPU■度的仿鼻机■.¨^ LInux中∞■虎复略,并女现T--4"自￡z¨*n模■进”验证,女验表q模■在蕾自我∞情RT #有较好的#真&* 关键词:目镕#鼻,Modeler;cPu*虚口鼻Ⅲ鹰幂略中国分类号:TP393 文献标识码:A 文章牖号t 1004·73IX(2009)SI-0227·04 AStudy ofCPU Scheduling Simulation Based Modeler zI/ANGXin-yu HUKai yANG ruiZHANGHui-ying ISch∞l ofCo rnpmers?州Engi—ng Bcih”gI㈨?%mu。%100]” Aktraet:[he nclwork slmulationisawidely*edmcthodinflctwoTkm?h Neverthelessthe nclⅥork slmulalon now available a”m?of?na“p[otocols ignoringtheimpact ofthe capabilities ofthe hardw&rc CPU 5chedulingWhileIh?Ic ofintactis expandingmpidly andtheworkloadofmuI?gr0*ing quickly,in??the cal)abilily ofCPUturn outtokthe bouleⅢk ofsystem YmsIⅪpCr expaIldsthe simulator Modeler, n?口m“?mfp suppl)single/mu#i-coⅢCeb schedulinganda￡?like schedulingpoho'inOPb旧TModeler At 1聃1日prolocO]modelw∞design日andthe{岬?show?Ⅳ?simulationresultin heaqload coodilions K“wordn nctwoth simuiatlon OPNE【Modeler,CPU scheduling slmulatlon,schedule policy 引言网络仿鹿I几作为乖皿的M镕*捌骑“干段E鳍A呵蚺相关行qk有了r泛的成用。州络仿真通过对网络世备链路和协议的垃援.。U以托酃并其实W料2前得到J##网络懈r#■的逗{r蚀Ⅲ,H存精度高、速度快、ⅫT捌中不tⅡ缺少的Tn。 T。nnd嘟 Model一”.开源软“NS2,Synopsys§-4的 ,这“仿真F儿的捧水原日均是离敞