操作系統(tǒng)全體報(bào)告-實(shí)驗(yàn)八

請?jiān)谝陨鲜纠龑?shí)驗(yàn)程序中補(bǔ)充SCAN，C-SCAN，LOOK磁盤移臂調(diào)度算法的模擬程序。輸入不同的磁盤柱面請求序列，觀察和分析其調(diào)度效果和性能，并將其與FCFS和SSTF磁盤柱面請求序列，以便能動態(tài)的觀測各種調(diào)度算法的性能擬算法的編程技巧，鍛煉研究分析試驗(yàn)數(shù)據(jù)的能力。CPU:I5-4210/2.6GHz內(nèi)存:4GB硬盤:Ubuntu14.0.4-Linux操作系統(tǒng)gccversion的同方向磁道，直到回到0，然后反方向掃描0，然后回到起點(diǎn)，從最大磁道開#include<iostream>#include<iomanip>#include<malloc.h> usingnamespacestd;classDiskArm{voidInitSpace(char*MethodName)voidReport(void);//報(bào)告算法執(zhí)行情況voidFcfs(void);voidSstf(void);voidScan(void);//電梯調(diào)度算法voidCScan(void);voidLook(void);//LOOK調(diào)度算法int*Requestint*Cylinder;intintintintint#include"dask.h"intcout<<"PleaseinputCurrentcylinder:";cin>>CurrentCylinder;//磁頭方向,輸入0表示向小道號移動,1表示向大道號移動cout<<"PleaseinputCurrentDirection(0/1):";cin>>SeekDirection;cout<<"PleaseinputRequestNumbers:";cin>>RequestNumber;cout<<"PleaseinputReqylinderstring:";Request=newint[sizeof(int)*RequestNumber];Cylinder=newint[sizeof(int)*RequestNumber];for(i=0;i<RequestNumber;i++)cin>>}}voidDiskArm::InitSpace(char*{intcout<<endl<<MethodName<<endl;SeekNumber=0;SeekChang=for(i=0;i<RequestNumber;Cylinder[i]=}//統(tǒng)計(jì)報(bào)告算法執(zhí)行情況voidDiskArm::Report(void){cout<<endl;cout<<"SeekNumber:"<<SeekNumber<<endl;cout<<"ChangDirection:"<<SeekChang<<endl<<}void{intCurrent=CurrentCylinder;intDirection=SeekDirection;cout<<for(inti=0;i<RequestNumber; &&!Direction)||((Cylinder[i]<Current)&&Direction)){SeekChang++;//調(diào)頭數(shù)加DirectionDirectioncout<<endl<<Current<<"->"}elsecoutCylinder[iSeekNumber+=abs(Current-Cylinder[i]);Current=Cylinder[i];}}void{intintDistance=999999intDirection=SeekDirection;intCurrent=CurrentCylinder;cout<<for(inti=0;i<RequestNumber;for(intj=0;j<RequestNumber;if(Cylinderj]==-1)continue;//-1表示已經(jīng)響應(yīng)if(Distance>abs(Current-Cylinder[Distanceabs(Current-Cylinderj]);Shortest=j;}}if(((Cylinder[Shortest]>=Current)&&!Direction)||((Cylinder[Shortest]<CurrentCylinder)&&Direction)){SeekChang++;//調(diào)頭數(shù)加DirectionDirectioncout<<endl<<Current<<"->"<<}elsecout<<"->"<<Cylinder[Shortest] -Current=Distance=999999;Cylinder[Shortest]=-}}voidintCurrent=intDirection=SeekDirection;cout<<for(inti=0;i<RequestNumber;i++){intindex=-1;intDistance=for(intj=0;j<RequestNumber;j++){if(Cylinder[j]==-1)nder[j])<Distance)}}}}elseif(Direction==1){}}}}voidintCurrent=CurrentCylinder;intDirection=SeekDirection;cout<<for(inti=0;i<RequestNumber;i++){intindex=-1;intDistance=for(intj=0;j<RequestNumber;j++){if(Cylinder[j]==-1)nder[j])<Distance)}}}}elseif(Direction==1){}}}}//LOOK調(diào)度算法void{intCurrent=intDirection=SeekDirection;cout<<for(inti=0;i<RequestNumber;i++){intindex=-1;intDistance=for(intj=0;j<RequestNumber;j++){if(Cylinder[j]==-1)nder[j])<Distance)}}}}elseif(Direction