public int CompareTo(Task obj)
{
// The priority modifiers to add faux bias
SchedulingBias currentBias = Program.currentBias;
switch (currentBias)
{
case SchedulingBias.Default:
return((Vruntime < obj.Vruntime) ? -1 : 1);
case SchedulingBias.Energy:
// powerConsumption needs to be lowest
return((PowerConsumption < obj.PowerConsumption) ? -1 : 1);
case SchedulingBias.Performance:
// Priority focused
return((Priority < obj.Priority) ? -1 : 1);
case SchedulingBias.UserFocus:
// if this task is a user process
if (Priority < 1500 && Priority > 1250)
{
return(-1);
}
// if the other task is a user process
else if (obj.Priority < 1500 && obj.Priority > 1250)
{
return(1);
}
// if neither is a user process
else
{
return((Vruntime < obj.Vruntime) ? -1 : 1);
}
}
return((this.Vruntime < obj.Vruntime) ? -1 : 1);
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to the Completely Fair Scheduler Simulator");
Console.WriteLine("Do you want to introduce a scheduling bias? (Y/n):");
String wantBias = Console.ReadLine().Trim().ToLower();
int schedulingBias;
if (wantBias.Equals("y"))
{
Console.WriteLine("Pick your bias: ");
Console.WriteLine("1. Energy");
Console.WriteLine("2. Performance");
Console.WriteLine("3. UserFocus");
schedulingBias = int.Parse(Console.ReadLine());
switch (schedulingBias)
{
case 1:
currentBias = SchedulingBias.Energy;
break;
case 2:
currentBias = SchedulingBias.Performance;
break;
case 3:
currentBias = SchedulingBias.UserFocus;
break;
default:
currentBias = SchedulingBias.Default;
break;
}
}
Timer taskTimer = new Timer
{
Interval = new Random().Next(1000),
Enabled = true,
AutoReset = true,
};
taskTimer.Elapsed += GenerateTasks;
Console.Clear();
Console.WriteLine("\tProcessID\tPriority\tvRuntime\tPower Consumption\n");
BinomialHeap <Task> schedulingHeap = new BinomialHeap <Task>();
Console.CancelKeyPress += new ConsoleCancelEventHandler(myHandler);
while (true)
{
Task readyTask = null;
processReadyQueue.TryPop(out readyTask);
if (readyTask != null)
{
schedulingHeap.Insert(readyTask);
if (!running)
{
running = true;
Task currentTask = schedulingHeap.ExtractMin();
Thread cpuLoop = new Thread(() => CPUThread(currentTask));
cpuLoop.Start();
}
}
}
}
