added tester

src/main/java/mvd/jester/App.java

@@ -12,9 +12,11 @@ import mvd.jester.tests.FonsecaNelis;
 import mvd.jester.tests.JiangYi;
 import mvd.jester.tests.MelaniButtazzo;
 import mvd.jester.tests.SchmidMottok;
+import mvd.jester.tests.Tester;
 import mvd.jester.tests.TypeFunction.KnownStructureWithMaxThreads;
 import mvd.jester.tests.TypeFunction.KnownStructure;
 import mvd.jester.tests.TypeFunction.UnkownStructure;
+import mvd.jester.tests.TypeFunction.TestFunction;
 
 
 /**
@@ -25,29 +27,30 @@ public class App {
     public static void main(String[] args) {
         {
             SystemManager<DagTaskBuilder> manager = new SystemManager<>(DagTaskBuilder.class);
+            manager.setNumberOfProcessors(32);
             TestEnvironment te = new TestEnvironment();
 
             List<AbstractTest<DagTask>> tests = te.registerTests(Arrays.asList(
                     new SchmidMottok(new KnownStructureWithMaxThreads(manager), manager),
-                    new SchmidMottok(new KnownStructure(), manager),
+                    new Tester(new KnownStructure(), manager),
                     // new MelaniButtazzo(manager),
-                    new FonsecaNelis(manager)
-                    /* new JiangYi(manager) */));
+                    // new FonsecaNelis(manager)
+                    new JiangYi(manager)));
 
             te.varyRenyiUtilization(manager, tests, 100);
         }
         // {
-        //     SystemManager<DagTaskBuilder> manager = new SystemManager<>(DagTaskBuilder.class);
-        //     TestEnvironment te = new TestEnvironment();
+        // SystemManager<DagTaskBuilder> manager = new SystemManager<>(DagTaskBuilder.class);
+        // TestEnvironment te = new TestEnvironment();
 
-        //     List<AbstractTest<DagTask>> tests = te.registerTests(Arrays.asList(
-        //     new SchmidMottok(new KnownStructureWithMaxThreads(manager), manager),
-        //     new SchmidMottok(new KnownStructure(), manager)
-        //     // new MelaniButtazzo(manager)
-        //     , new FonsecaNelis(manager)
-        //     ));
+        // List<AbstractTest<DagTask>> tests = te.registerTests(Arrays.asList(
+        // new SchmidMottok(new KnownStructureWithMaxThreads(manager), manager),
+        // new SchmidMottok(new KnownStructure(), manager)
+        // // new MelaniButtazzo(manager)
+        // , new FonsecaNelis(manager)
+        // ));
 
-        //     te.varyUtilization(manager, tests, 500);
+        // te.varyUtilization(manager, tests, 500);
         // }
         // {
         // SystemManager<DagTaskBuilder> manager = new SystemManager<>(DagTaskBuilder.class);

src/main/java/mvd/jester/TestEnvironment.java

@@ -244,7 +244,7 @@ public class TestEnvironment {
         abstractTestInstances.forEach(t -> resultMap.put(t, (long) 0));
         resultLogger.logHeader(resultMap, "Utilization");
 
-        for (double util = 1; util <= numberOfProcessors; util += 0.25) {
+        for (double util = 1; util <= numberOfProcessors; util += (double)numberOfProcessors/32) {
             resultMap.replaceAll((k, v) -> (long) 0);
             for (int i = 0; i < numberOfTaskSetsPerUtil; ++i) {
                 final Set<DagTask> taskSet = manager.getBuilder().generateRenyiTaskSet(util);

src/main/java/mvd/jester/model/SystemManager.java

@@ -179,7 +179,7 @@ public class SystemManager<T extends Builder> implements SystemManagerInterface
         private long maxNumberOfThreads = numberOfProcessors;
         private long depth = 2;
         private long p_par = 80;
-        private long p_add = 20; 
+        private long p_add = 10;
 
         public DagTaskBuilder() {
         }
@@ -280,14 +280,18 @@ public class SystemManager<T extends Builder> implements SystemManagerInterface
             final long criticalPath = DagUtils.calculateCriticalPath(jobDag);
             final long period = randomRenyiPeriod(workload, criticalPath, totalUtilization);
 
-            final long numberOfThreads = randomNumberOfThreads(numberOfProcessors / 2);
+            // final long numberOfThreads = randomNumberOfThreads(numberOfProcessors / 2);
+            // TODO: Change back to above
+            final long numberOfThreads = LongMath.divide(workload -
+                        criticalPath, period - criticalPath, RoundingMode.CEILING);
 
             return new DagTask(jobDag, period, numberOfThreads);
         }
 
         private long randomRenyiPeriod(final long workload, final long criticalPath,
                 final double totalUtilization) {
-            final double firstPart = (criticalPath + (double) (workload) / (0.4 * totalUtilization));
+            final double firstPart =
+                    (criticalPath + (double) (workload) / (0.4 * totalUtilization));
             final double gamma = new GammaDistribution(2, 1).sample();
             final double secondPart = 1 + 0.25 * gamma;
 

src/main/java/mvd/jester/tests/Tester.java

+package mvd.jester.tests;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import mvd.jester.info.SchedulingInfo;
+import mvd.jester.info.TerminationInfo;
+import mvd.jester.model.DagTask;
+import mvd.jester.model.SortedTaskSet;
+import mvd.jester.model.SystemManagerInterface;
+import mvd.jester.model.Task;
+import mvd.jester.priority.PriorityManager;
+import mvd.jester.priority.RateMonotonic;
+
+public class Tester extends AbstractTest<DagTask> {
+
+    private final Map<Task, TerminationInfo> responseTimes;
+    private final PriorityManager priorityManager;
+    private final TypeFunction structure;
+
+    public Tester(TypeFunction structure, final SystemManagerInterface manager) {
+        super(manager);
+        this.responseTimes = new HashMap<>();
+        this.priorityManager = new RateMonotonic();
+        this.structure = structure;
+    }
+
+
+    @Override
+    public SchedulingInfo runSchedulabilityCheck(SortedTaskSet<DagTask> tasks) {
+        responseTimes.clear();
+        for (final DagTask t : tasks) {
+            final long responseTime = calculateResponseTime(tasks, t);
+            responseTimes.put(t, new TerminationInfo(t.getDeadline(), responseTime));
+        }
+
+        return new SchedulingInfo(responseTimes.values());
+    }
+
+    @Override
+    public PriorityManager getPriorityManager() {
+        return priorityManager;
+    }
+
+    @Override
+    public String getName() {
+        return "Tester_" + structure.getType();
+    }
+
+    private long calculateResponseTime(final Set<DagTask> tasks, final DagTask task) {
+        final long minimumWcet = task.getCriticalPath();
+        long responseTime = minimumWcet;
+        long previousResponseTime = 0;
+
+        long currentNumberOfThreads = 0;
+        for (final DagTask t : tasks) {
+            if (t.getPeriod() < task.getPeriod()) {
+                final long numberOfThreads = structure.getNumberOfThreads(t);
+                currentNumberOfThreads += numberOfThreads;
+            }
+        }
+
+        do {
+            previousResponseTime = responseTime;
+            double taskInterference = 0;
+            if (currentNumberOfThreads + structure.getNumberOfThreads(task) > manager
+                    .getNumberOfProcessors()) {
+                for (final DagTask t : tasks) {
+                    if (t.getPeriod() < task.getPeriod()) {
+                        final long numberOfThreads = structure.getNumberOfThreads(t);
+
+                        for (int p = 0; p < numberOfThreads; ++p) {
+                            taskInterference +=
+                                    Math.min(
+                                            structure.getTaskInterference(t, responseTimes,
+                                                    responseTime, p + 1),
+                                            responseTime - minimumWcet + 1);
+                        }
+                    }
+                }
+
+                taskInterference /= manager.getNumberOfProcessors();
+            }
+            final double selfInterference = structure.getSelfInterference(task);
+
+            final long totalInterference = (long) Math.floor(taskInterference + selfInterference);
+
+            responseTime = minimumWcet + totalInterference;
+        } while (previousResponseTime != responseTime);
+
+        return responseTime;
+    }
+}

src/main/java/mvd/jester/tests/TypeFunction.java

@@ -181,4 +181,54 @@ public interface TypeFunction {
         }
     }
 
+        public class TestFunction implements TypeFunction {
+
+        @Override
+        public double getTaskInterference(final DagTask task,
+                final Map<Task, TerminationInfo> responseTimes, final long interval,
+                final long parallelism) {
+            if (responseTimes.containsKey(task)) {
+                final long minWcet = task.getCriticalPath();
+                final long period = task.getPeriod();
+                final long amountOfJobs = (LongMath.divide(interval + period - minWcet,
+                        period, RoundingMode.FLOOR) + 1);
+
+                double workload = 0;
+
+                for (final Segment s : task.getWorkloadDistribution()) {
+                    final long numberOfThreads = s.getHeight() > 1 ? task.getNumberOfThreads() : 1;
+                    if (numberOfThreads >= parallelism) {
+                        workload += (double) (s.getHeight() * s.getWidth()) / numberOfThreads;
+                    }
+                }
+
+                final double interference = amountOfJobs * workload;
+
+                return interference;
+            } else {
+                throw new RuntimeException("Task was not found in task set!");
+            }
+        }
+
+        @Override
+        public double getSelfInterference(final DagTask task) {
+            final long numberOfThreads = task.getNumberOfThreads();
+
+            double interference = task.getWorkload() - task.getCriticalPath();
+            interference /= numberOfThreads;
+
+            return interference;
+        }
+
+        @Override
+        public String getType() {
+            return "TS";
+        }
+
+        @Override
+        public long getNumberOfThreads(final DagTask task) {
+            return task.getNumberOfThreads();
+        }
+    }
+
 }