checkdiskqueue_fcfsorsjf.m

3个CPU调度算法的simulation. 分别是Short Job First,High Return Ration Next, Round Robin. 模拟得到R,U,S等重要指标。

function [QDisk,QReady]=CheckDiskQueue_FCFSorSJF(QDisk,QReady,Qlen,GlobalCycle,TB,EndTime)
%disp('=========CheckDiskQueue_FCFSorSJF================');
QDisk=sortrows(QDisk,2);
i=1;
flag=0;

% fprintf('before checking(Time is %d)',GlobalCycle);
%    QDisk 
%    QReady
while i<=Qlen
   if QDisk(i,2)<=GlobalCycle
      [QDisk,p]=OutQueue2(QDisk,Qlen,EndTime+100,'D');
  
      
      [QReady,pos]=InQueue2(p,TB(p),QReady,Qlen,'R');  %Only for FCFS and SJF
      
%       fprintf('Move the p%d from the QDisk to QReady\n',p);
      flag=1;
   end
   i=i+1;
end

if flag==0
%    disp('Nothing to move from QDisk'); 
end
    
%disp('after checking');
% QDisk 
%    QReady