public CPU(Driver k, int id)
{
kernel = k;
disk = k.Disk;
RAM = k.RAM;
RQ = k.ReadyQueue;
cpuPCB = new PCB();
cache = new uint[1];
this.id = id;
thread = new Thread(new ThreadStart(this.Run));
_suspendEvent = new ManualResetEventSlim(false);
thread.Start();
}
void GetProcess()
{
lock (dispatcherLock)
{
if (InterruptHandler.ServicedProcessesCount() == 0)
{
kernel.Dispatcher.DispatchProcess(this);
if (currentProcess != null)
{
cpuPCB._waitingTime.Stop();
cpuPCB.waitingTime = cpuPCB._waitingTime.Elapsed.TotalMilliseconds;
Console.WriteLine("Job " + currentProcess.PCB.ProcessID + " (Priority: " + currentProcess.PCB.Priority + " | Instr. Length: " + currentProcess.PCB.InstructionLength +
") spent " + cpuPCB._waitingTime.Elapsed.TotalMilliseconds.ToString() + "ms waiting.\n");
processCounter++;
FillInitalCache();
totalElapsedTime.Start();
}
}
else
{
currentProcess = InterruptHandler.DequeueProcess();
if (currentProcess != null)
{
cpuPCB = currentProcess.PCB;
}
}
}
}
public Process(PCB pcb)
{
PCB = pcb;
PCB.ProcessID++;
}
public static void ProcessMemoryDump(Driver k, PCB pcb)
{
lock (fileLock)
{
StreamWriter writer = new StreamWriter(@"C:\Users\Cory\Documents\Visual Studio 2010\Projects\GitProjects\OS-Project\OS_PROJECT\OS_PROJECT\Phase Two Dumps\Process" + pcb.ProcessID + "MemoryDump.txt", false);
//Console.WriteLine("Writing process memory to file...");
uint beginning_page = pcb.PageTable.ReturnFirstPage(pcb);
uint number_of_pages = pcb.JobLength / 4;
uint frame_to_write;
for (uint page = beginning_page; page < beginning_page + number_of_pages + 1; page++)
{
frame_to_write = pcb.PageTable.table[page].Frame;
for (uint offset = 0; offset < 4; offset++)
{
if (frame_to_write < 10)
{
writer.Write("[00" + frame_to_write + "]");
}
else if (frame_to_write < 100)
{
writer.Write("[0" + frame_to_write + "]");
}
else
{
writer.Write("[" + frame_to_write + "]");
}
writer.Write("[" + offset + "]");
if (pcb.PageTable.Lookup(page).InMemory)
{
writer.Write("[" + SystemCaller.ConvertInputDataToHexstring(MMU.Read((frame_to_write * 4) + offset)) + "]");
}
else writer.Write("[0]");
writer.WriteLine();
}
}
writer.Close();
}
}