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// $Id$
import java.io.*;
import java.awt.*;
public class Display extends Panel
{
private Graph_Panel metrics_ = new Graph_Panel ();
private Sim_Panel sims_ = new Sim_Panel ();
private double last_latency = 0;
public Display ()
{
setLayout (new GridLayout (2, 1));
add (new Border_Panel (sims_, "Flight Simulator"));
add (new Border_Panel (metrics_, "Scheduling Performance"));
}
public void update_metric (String name, float new_value)
{
metrics_.updateGraph (name, new_value);
}
public void add_metric (String name, int max)
{
metrics_.addGraph (name, max);
}
public void add_simulator (String name)
{
Display_Object obj =
Display_Object_Factory.create_display_object (name);
if (obj != null)
sims_.add_simulator (name, obj);
}
public void update_simulator (String name, Display_Push_Consumer display_push_consumer)
{
sims_.update_simulator (name, display_push_consumer);
}
public void update_metrics (double utilization,
double overhead,
int arrival_time,
int deadline_time,
int completion_time,
int computation_time)
{
float latency = (float)(completion_time-computation_time-arrival_time);
latency = latency > 0 ? latency : 0;
float jitter = (float)Math.abs(latency - last_latency);
// float latency = (float)(dispatch_time - arrival_time > 0 ? dispatch_time - arrival_time : 0);
// float jitter = (float)Math.abs(latency - last_latency);
float missed_deadline =
(float)((deadline_time < completion_time) ? 1.0 : 0.0);
/*
System.out.println ("Metrics: cpu " + header.utilization_ +
" overhead " + header.overhead_ +
" jitter " + jitter +
" deadlines " + missed_deadline +
" latency " + latency);
*/
update_metric (Display_Client.CPU_USAGE, (float)utilization);
update_metric (Display_Client.OVERHEAD, (float)overhead);
update_metric (Display_Client.JITTER, jitter);
update_metric (Display_Client.DEADLINES, missed_deadline);
update_metric (Display_Client.LATENCY, latency);
}
public void update_simulation (long simulation_id,
Display_Push_Consumer display_push_consumer)
{
String sim_name =
Display_Object_Factory.resolve_name (simulation_id);
if (sim_name != null)
update_simulator (sim_name, display_push_consumer);
}
}
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