source: DCWoRMS/branches/coolemall/src/example/load/AppBasedProcessorLoadEstimationPlugin.java @ 1423

package example.load;

import schedframe.resources.computing.Processor;
import schedframe.resources.computing.profiles.energy.ResourceEvent;
import schedframe.resources.devices.PhysicalResource;
import schedframe.scheduling.manager.tasks.JobRegistry;
import schedframe.scheduling.tasks.phases.PhaseSystemLoad;
import dcworms.schedframe.scheduling.ExecTask;

public class AppBasedProcessorLoadEstimationPlugin  extends BaseLoadEstimationPlugin{
        
        public double estimateUtlization(ResourceEvent event, JobRegistry jobRegistry, PhysicalResource resource) {
                Processor proc = (Processor) resource;
                double sumCoresLoad = 0;
                
                double nrOfThreadsOnCpu = proc.getCores().size();
                
                if(proc.getResourceCharacteristic().getParameters().get("threads") != null){
                        nrOfThreadsOnCpu = nrOfThreadsOnCpu * Integer.valueOf(proc.getResourceCharacteristic().getParameters().get("threads").get(0).getContent()).intValue();
                }

                for(ExecTask task: jobRegistry.getRunningTasks()){
                        double cpuUsage = 1 / nrOfThreadsOnCpu;

                        for(PhaseSystemLoad pb: task.getExecutionProfile().getCurrentExecutionPhase().getSystemLoad()){
                                if(pb.getResouceName().equals("PM_CPU_Usage")){
                                        cpuUsage = pb.getUtilization();
                                        break;
                                }
                        }
                        sumCoresLoad = sumCoresLoad + cpuUsage;
                }


                double processorLoad = 100 * sumCoresLoad;      
                double calendarLoad = resource.getLoadInterface().getLoadCalendar().getCurrentLoad();
                double totalLoad = processorLoad + calendarLoad;
                if (totalLoad > 100)
                        return 100;
                else return totalLoad;
        }


}