Different algorithms work now, log doesn't work

6bc244f2 · Michael Schmid · 6b226c2e · 6bc244f2 · 6bc244f2 · 6bc244f2
Commit 6bc244f2 authored Sep 09, 2019 by Michael Schmid
14 changed files
--- a/.gitignore
+++ b/.gitignore
 /.vscode
 /.settings
+/results
 /target
\ No newline at end of file
--- a/src/main/java/mvd/jester/App.java
+++ b/src/main/java/mvd/jester/App.java
 package mvd.jester;
 import mvd.jester.model.SystemSetup;
+import mvd.jester.priority.EarliestDeadlineFirst;
+import mvd.jester.priority.RateMonotonic;
 /**
@@ -10,7 +12,10 @@ import mvd.jester.model.SystemSetup;
 public class App {
    public static void main(String[] args) {
        SystemSetup.Builder builder = new SystemSetup.Builder().setNumberOfProcessors(8);
-        TestEnvironment te = new TestEnvironment(builder, 40000);
+        TestEnvironment te = new TestEnvironment(builder, 4000);
+        te.registerSchedulingAlgorithm(new RateMonotonic());
+        te.registerSchedulingAlgorithm(new EarliestDeadlineFirst());
        te.registerTestPair(mvd.jester.tests.MaiaBertogna.class,
                mvd.jester.simulator.MaiaBertogna.class);

--- a/src/main/java/mvd/jester/TestEnvironment.java
+++ b/src/main/java/mvd/jester/TestEnvironment.java
 package mvd.jester;
-import java.io.PrintWriter;
 import java.lang.reflect.Constructor;
 import java.time.LocalTime;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
+import com.google.common.collect.Table;
 import mvd.jester.model.SystemSetup;
+import mvd.jester.priority.PriorityManager;
 import mvd.jester.simulator.AbstractSimulator;
 import mvd.jester.tests.AbstractTest;
 import mvd.jester.utils.Logger;
@@ -20,44 +21,88 @@ public class TestEnvironment {
    private final long numberOfTaskSets;
    private final SystemSetup systemSetup;
    private final SystemSetup.Builder builder;
-    private final Map<Constructor<? extends AbstractTest>, Constructor<? extends AbstractSimulator>> abstractTestPairs;
+    private final Set<Constructor<? extends AbstractTest>> abstractTests;
+    private final Set<Constructor<? extends AbstractSimulator>> abstractSimulators;
+    private final Set<PriorityManager> schedulingAlgorithms;
    public TestEnvironment(SystemSetup.Builder builder, long numberOfTaskSets) {
        this.numberOfTaskSets = numberOfTaskSets;
-        abstractTestPairs = new HashMap<>();
+        this.abstractTests = new HashSet<>();
+        this.abstractSimulators = new HashSet<>();
+        this.schedulingAlgorithms = new HashSet<>();
        this.builder = builder;
        this.systemSetup = builder.build();
    }
+    public TestEnvironment registerSchedulingAlgorithm(PriorityManager priorityManager) {
+        schedulingAlgorithms.add(priorityManager);
+        return this;
+    }
+    public TestEnvironment registerTest(Class<? extends AbstractTest> abstractTest) {
+        try {
+            abstractTests.add(abstractTest.getConstructor(SystemSetup.class));
+        } catch (Exception e) {
+            System.out.println("Missing constructor for abstract test!");
+        }
+        return this;
+    }
+    public TestEnvironment registerSimulator(Class<? extends AbstractSimulator> abstractSimulator) {
+        try {
+            abstractSimulators.add(abstractSimulator.getConstructor(SystemSetup.class));
+        } catch (Exception e) {
+            System.out.println("Missing constructor for abstract simulator!");
+        }
+        return this;
+    }
    public TestEnvironment registerTestPair(Class<? extends AbstractTest> abstractTest,
            Class<? extends AbstractSimulator> abstractSimulator) {
        try {
-            abstractTestPairs.put(abstractTest.getConstructor(SystemSetup.class),
+            abstractTests.add(abstractTest.getConstructor(SystemSetup.class));
-                    abstractSimulator.getConstructor(SystemSetup.class));
+        } catch (Exception e) {
+            System.out.println("Missing constructor for abstract test!");
+        }
+        try {
+            abstractSimulators.add(abstractSimulator.getConstructor(SystemSetup.class));
        } catch (Exception e) {
-            System.out.println("Missing constructor!");
+            System.out.println("Missing constructor for abstract simulator!");
        }
        return this;
    }
    public void runTests() {
-        Map<AbstractTest, AbstractSimulator> testPairs = new HashMap<>();
+        Set<AbstractTest> abstractTestInstances = new HashSet<>();
+        Set<AbstractSimulator> abstractSimulatorInstances = new HashSet<>();
        Map<Long, Map<AbstractTest, Long>> testResults = new HashMap<>();
        Map<Long, Map<AbstractSimulator, Long>> simulatorResults = new HashMap<>();
+        // Map<Long, Table<PriorityManager, AbstractTest, Long>> testResults = new HashMap<>();
+        // Map<Long, Table<PriorityManager, AbstractSimulator, Long>> simulatorResults =
+        // new HashMap<>();
-        for (Map.Entry<Constructor<? extends AbstractTest>, Constructor<? extends AbstractSimulator>> kv : abstractTestPairs
+        for (Constructor<? extends AbstractTest> c : abstractTests) {
-                .entrySet()) {
            try {
-                testPairs.put(kv.getKey().newInstance(this.systemSetup),
+                abstractTestInstances.add(c.newInstance(this.systemSetup));
-                        kv.getValue().newInstance(this.systemSetup));
            } catch (Exception e) {
                System.out.println("Could not instantiate object of AbstractTest!");
            }
        }
+        for (Constructor<? extends AbstractSimulator> c : abstractSimulators) {
+            try {
+                abstractSimulatorInstances.add(c.newInstance(this.systemSetup));
+            } catch (Exception e) {
+                System.out.println("Could not instantiate object of AbstractSimulator!");
+            }
+        }
        long checkedTasksets = 0;
        while (checkedTasksets < numberOfTaskSets) {
@@ -74,29 +119,28 @@ public class TestEnvironment {
                }
                long roundedUtilization = (long) (utilization * 10);
-                for (Map.Entry<AbstractTest, AbstractSimulator> kv : testPairs.entrySet()) {
-                    boolean schedCheck = kv.getKey().runSchedulabilityCheck();
+                for (PriorityManager priorityManager : schedulingAlgorithms) {
-                    boolean simCheck = kv.getValue().runSimulation();
+                    for (AbstractTest test : abstractTestInstances) {
-                    if (schedCheck) {
+                        if (priorityManager.hasTest(test)
-                        testResults
+                                && test.runSchedulabilityCheck(priorityManager)) {
-                                .computeIfAbsent(roundedUtilization,
+                            testResults
-                                        k -> new HashMap<AbstractTest, Long>())
+                                    .computeIfAbsent(roundedUtilization,
-                                .compute(kv.getKey(), (k, v) -> (v == null) ? 1 : v + 1);
+                                            k -> new HashMap<AbstractTest, Long>())
-                    }
+                                    .compute(test, (k, v) -> (v == null) ? 1 : v + 1);
-                    if (simCheck) {
+                        }
-                        simulatorResults
-                                .computeIfAbsent(roundedUtilization,
-                                        k -> new HashMap<AbstractSimulator, Long>())
-                                .compute(kv.getValue(), (k, v) -> (v == null) ? 1 : v + 1);
                    }
-                    if (schedCheck == true && simCheck == false) {
-                        try (PrintWriter out =
+                    for (AbstractSimulator simulator : abstractSimulatorInstances) {
-                                new PrintWriter("results/manualCheck" + checkedTasksets + ".txt")) {
+                        if (priorityManager.hasSimulator(simulator)
-                            out.println(systemSetup);
+                                && simulator.runSimulation(priorityManager)) {
-                        } catch (Exception e) {
+                            simulatorResults
-                            System.out.println("Ähm something went horribly wrong!");
+                                    .computeIfAbsent(roundedUtilization,
+                                            k -> new HashMap<AbstractSimulator, Long>())
+                                    .compute(simulator, (k, v) -> (v == null) ? 1 : v + 1);
                        }
                    }
                }
                builder.addTask(systemSetup);
@@ -104,11 +148,11 @@ public class TestEnvironment {
            }
        }
-        logResults(testPairs.keySet(), testResults);
+        logTestResults(abstractTestInstances, testResults);
-        logSimulations(new HashSet<AbstractSimulator>(testPairs.values()), simulatorResults);
+        logSimulationResults(abstractSimulatorInstances, simulatorResults);
    }
-    private void logResults(Set<AbstractTest> testCases,
+    private void logTestResults(Set<AbstractTest> testCases,
            Map<Long, Map<AbstractTest, Long>> results) {
        LocalTime date = LocalTime.now();
        Logger log = new Logger("./results/results_" + systemSetup.getNumberOfProcessors() + "_"
@@ -138,7 +182,7 @@ public class TestEnvironment {
        log.finalize();
    }
-    private void logSimulations(Set<AbstractSimulator> testCases,
+    private void logSimulationResults(Set<AbstractSimulator> testCases,
            Map<Long, Map<AbstractSimulator, Long>> results) {
        LocalTime date = LocalTime.now();
        Logger log = new Logger("./results/results_sim_" + systemSetup.getNumberOfProcessors() + "_"

--- a/src/main/java/mvd/jester/model/SystemSetup.java
+++ b/src/main/java/mvd/jester/model/SystemSetup.java
@@ -4,22 +4,21 @@ import java.io.IOException;
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Paths;
+import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.Set;
 import java.util.concurrent.ThreadLocalRandom;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
-import mvd.jester.priority.PriorityManager;
-import mvd.jester.priority.RateMonotonic;
 /**
 * TaskSet
 */
 public class SystemSetup {
-    private SortedTaskSet tasks;
+    private Set<Task> tasks;
    private final long numberOfProcessors;
-    public SystemSetup(SortedTaskSet tasks, long numberOfProcessors) {
+    public SystemSetup(Set<Task> tasks, long numberOfProcessors) {
        this.tasks = tasks;
        this.numberOfProcessors = numberOfProcessors;
    }
@@ -27,11 +26,11 @@ public class SystemSetup {
    /**
     * @return the tasks
     */
-    public SortedTaskSet getTasks() {
+    public Set<Task> getTasks() {
        return tasks;
    }
-    public void setTasks(SortedTaskSet tasks) {
+    public void setTasks(Set<Task> tasks) {
        this.tasks = tasks;
    }
@@ -88,7 +87,6 @@ public class SystemSetup {
        private long maxNumberOfJobs = 3 * numberOfProcessors / 2;
        private long minWcet = 1;
        private long ratio = randomTaskRatio();
-        private PriorityManager priorityManager = new RateMonotonic();
        public Builder() {
@@ -139,8 +137,9 @@ public class SystemSetup {
            return new Task(period, segments);
        }
-        private SortedTaskSet generateTaskSet() {
+        private Set<Task> generateTaskSet() {
-            SortedTaskSet taskSet = new SortedTaskSet(priorityManager);
+            // SortedTaskSet taskSet = new SortedTaskSet(priorityManager);
+            Set<Task> taskSet = new HashSet<>();
            for (int i = 0; i < 4; ++i) {
                Task task = generateTask();
@@ -152,7 +151,7 @@ public class SystemSetup {
        public SystemSetup build() {
            this.ratio = randomTaskRatio();
-            SortedTaskSet taskSet = generateTaskSet();
+            Set<Task> taskSet = generateTaskSet();
            return new SystemSetup(taskSet, numberOfProcessors);
        }
@@ -185,11 +184,6 @@ public class SystemSetup {
            return this;
        }
-        public Builder setPriorityManager(PriorityManager priorityManager) {
-            this.priorityManager = priorityManager;
-            return this;
-        }
        /**
         * @param maxNumberOfJobs the maxNumberOfJobs to set
         */
@@ -200,5 +194,4 @@ public class SystemSetup {
        }
    }
 }
--- a/src/main/java/mvd/jester/priority/EarliestDeadineFirst.java
+++ b/src/main/java/mvd/jester/priority/EarliestDeadineFirst.java
 package mvd.jester.priority;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
 import mvd.jester.model.Task;
+import mvd.jester.simulator.AbstractSimulator;
+import mvd.jester.simulator.MaiaBertogna;
 import mvd.jester.simulator.internals.TaskContextInterface;
+import mvd.jester.tests.AbstractTest;
 /**
 * EarliestDeadineFirst
 */
-public class EarliestDeadineFirst implements PriorityManager {
+public class EarliestDeadlineFirst implements PriorityManager {
+    final static Set<Class<? extends AbstractTest>> abstractTests = new HashSet<>();
+    final static Set<Class<? extends AbstractSimulator>> abstractSimulators =
+            new HashSet<>(Arrays.asList(MaiaBertogna.class));
    /**
     * Compare the priority of two tasks according to the Rate Monotonic policy
@@ -26,4 +36,19 @@ public class EarliestDeadineFirst implements PriorityManager {
    public int compare(TaskContextInterface t1, TaskContextInterface t2) {
        return (int) (t1.getDeadline() - t2.getDeadline());
    }
+    @Override
+    public boolean hasTest(AbstractTest abstractTest) {
+        return abstractTests.contains(abstractTest.getClass());
+    }
+    @Override
+    public boolean hasSimulator(AbstractSimulator abstractSimulator) {
+        return abstractSimulators.contains(abstractSimulator.getClass());
+    }
+    @Override
+    public String getName() {
+        return "EDF";
+    }
 }
--- a/src/main/java/mvd/jester/priority/PriorityManager.java
+++ b/src/main/java/mvd/jester/priority/PriorityManager.java
 package mvd.jester.priority;
 import mvd.jester.model.Task;
+import mvd.jester.simulator.AbstractSimulator;
 import mvd.jester.simulator.internals.TaskContextInterface;
+import mvd.jester.tests.AbstractTest;
 /**
 * PriorityManager
@@ -12,4 +14,10 @@ public interface PriorityManager {
    public int compare(TaskContextInterface t1, TaskContextInterface t2);
+    public boolean hasTest(AbstractTest abstractTest);
+    public boolean hasSimulator(AbstractSimulator abstractTest);
+    public String getName();
 }
--- a/src/main/java/mvd/jester/priority/RateMonotonic.java
+++ b/src/main/java/mvd/jester/priority/RateMonotonic.java
 package mvd.jester.priority;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
 import mvd.jester.model.Task;
+import mvd.jester.simulator.AbstractSimulator;
 import mvd.jester.simulator.internals.TaskContextInterface;
+import mvd.jester.tests.AbstractTest;
 public class RateMonotonic implements PriorityManager {
+    final static Set<Class<? extends AbstractTest>> abstractTests = new HashSet<>(Arrays
+            .asList(mvd.jester.tests.MaiaBertogna.class, mvd.jester.tests.SchmidMottok.class));
+    final static Set<Class<? extends AbstractSimulator>> abstractSimulators =
+            new HashSet<>(Arrays.asList(mvd.jester.simulator.MaiaBertogna.class,
+                    mvd.jester.simulator.SchmidMottok.class));
    /**
     * Compare the priority of two tasks according to the Rate Monotonic policy
     * 
@@ -22,4 +33,20 @@ public class RateMonotonic implements PriorityManager {
    public int compare(TaskContextInterface t1, TaskContextInterface t2) {
        return Long.compare(t1.getTask().getPeriod(), t2.getTask().getPeriod());
    }
+    @Override
+    public boolean hasTest(AbstractTest abstractTest) {
+        return abstractTests.contains(abstractTest.getClass());
+    }
+    @Override
+    public boolean hasSimulator(AbstractSimulator abstractSimulator) {
+        return abstractSimulators.contains(abstractSimulator.getClass());
+    }
+    @Override
+    public String getName() {
+        return "RM";
+    }
 }
--- a/src/main/java/mvd/jester/simulator/AbstractSimulator.java
+++ b/src/main/java/mvd/jester/simulator/AbstractSimulator.java
@@ -6,6 +6,8 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.TreeSet;
 import mvd.jester.model.SystemSetup;
+import mvd.jester.model.Task;
+import mvd.jester.priority.PriorityManager;
 import mvd.jester.priority.RateMonotonic;
 import mvd.jester.simulator.internals.ProcessorContext;
 import mvd.jester.simulator.internals.SortedTaskContextSet;
@@ -19,7 +21,7 @@ public abstract class AbstractSimulator implements SimulatorInterface {
    protected final SystemSetup systemSetup;
    protected final Set<ProcessorContext> processors;
-    protected final SortedTaskContextSet readyTasks;
+    protected Set<TaskContextInterface> readyTasks;
    protected long hyperPeriod;
    AbstractSimulator(SystemSetup systemSetup) {
@@ -29,15 +31,16 @@ public abstract class AbstractSimulator implements SimulatorInterface {
        for (int i = 0; i < systemSetup.getNumberOfProcessors(); ++i) {
            processors.add(new ProcessorContext(i));
        }
-        this.hyperPeriod = systemSetup.getTasks().last().getPeriod() * 2 /* * 10 */;
+        this.hyperPeriod = getHyperPeriod();
    }
    protected abstract boolean releaseTasks(long timeStep);
    @Override
-    public boolean runSimulation() {
+    public boolean runSimulation(PriorityManager priorityManager) {
-        init();
+        init(priorityManager);
        for (int t = 0; t < hyperPeriod; ++t) {
            if (!releaseTasks(t)) {
                return false;
@@ -70,12 +73,12 @@ public abstract class AbstractSimulator implements SimulatorInterface {
        return true;
    }
-    private void init() {
+    private void init(PriorityManager priorityManager) {
-        this.readyTasks.clear();
+        this.readyTasks = new SortedTaskContextSet(priorityManager);
        for (ProcessorContext p : processors) {
            p.setJob(null);
        }
-        this.hyperPeriod = systemSetup.getTasks().last().getPeriod() * 2;
+        this.hyperPeriod = getHyperPeriod();
    }
    private Set<ProcessorContext> sortProcessors(Set<ProcessorContext> processors) {
@@ -86,6 +89,11 @@ public abstract class AbstractSimulator implements SimulatorInterface {
        return sortedProcessors;
    }
+    private long getHyperPeriod() {
+        return systemSetup.getTasks().stream().max(Comparator.comparing(Task::getPeriod)).get()
+                .getPeriod() * 2; /* * 10 */
+    }
    private class ProcessorComparator implements Comparator<ProcessorContext> {
        @Override

--- a/src/main/java/mvd/jester/simulator/SimulatorInterface.java
+++ b/src/main/java/mvd/jester/simulator/SimulatorInterface.java
 package mvd.jester.simulator;
+import mvd.jester.priority.PriorityManager;
 /**
 * SimulatorInterface
 */
 public interface SimulatorInterface {
-    public boolean runSimulation();
+    public boolean runSimulation(PriorityManager priorityManager);
    public String getName();

--- a/src/main/java/mvd/jester/simulator/internals/SortedTaskContextSet.java
+++ b/src/main/java/mvd/jester/simulator/internals/SortedTaskContextSet.java
@@ -11,7 +11,7 @@ public class SortedTaskContextSet extends TreeSet<TaskContextInterface> {
    private static final long serialVersionUID = 4808544133562675597L;
    public SortedTaskContextSet(PriorityManager priorityMananger) {
-        super((t1, t2) -> priorityMananger.compare(t1.getTask(), t2.getTask()));
+        super((t1, t2) -> priorityMananger.compare(t1, t2));
    }
 }
--- a/src/main/java/mvd/jester/tests/AbstractTest.java
+++ b/src/main/java/mvd/jester/tests/AbstractTest.java
@@ -2,6 +2,7 @@ package mvd.jester.tests;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 import mvd.jester.model.SystemSetup;
 import mvd.jester.model.Task;
@@ -12,9 +13,11 @@ public abstract class AbstractTest implements TestInterface {
    protected final Map<Task, Long> responseTimes;
    protected final SystemSetup systemSetup;
+    protected Set<Task> tasks;
    public AbstractTest(SystemSetup systemSetup) {
        this.systemSetup = systemSetup;
        this.responseTimes = new HashMap<Task, Long>();
+        this.tasks = systemSetup.getTasks();
    }
 }
--- a/src/main/java/mvd/jester/tests/MaiaBertogna.java
+++ b/src/main/java/mvd/jester/tests/MaiaBertogna.java
@@ -4,7 +4,9 @@ import java.math.RoundingMode;
 import java.util.Map.Entry;
 import com.google.common.math.LongMath;
 import mvd.jester.model.Segment;
+import mvd.jester.model.SortedTaskSet;
 import mvd.jester.model.Task;
+import mvd.jester.priority.PriorityManager;
 import mvd.jester.model.SystemSetup;
 /**
@@ -17,9 +19,11 @@ public class MaiaBertogna extends AbstractTest {
    }
    @Override
-    public boolean runSchedulabilityCheck() {
+    public boolean runSchedulabilityCheck(PriorityManager priorityManager) {
+        tasks = new SortedTaskSet(priorityManager);
+        tasks.addAll(systemSetup.getTasks());
        responseTimes.clear();
-        for (Task t : systemSetup.getTasks()) {
+        for (Task t : tasks) {
            responseTimes.put(t, calculateResponseTime(t));
        }
@@ -46,7 +50,7 @@ public class MaiaBertogna extends AbstractTest {
            previousResponseTime = responseTime;
            long taskInterference = 0;
-            for (Task t : systemSetup.getTasks()) {
+            for (Task t : tasks) {
                if (t.getPeriod() < task.getPeriod()) {
                    long maxNumberOfJobsOfT = t.getMaximumParallelism();
                    for (int p = 0; p < maxNumberOfJobsOfT; ++p) {

--- a/src/main/java/mvd/jester/tests/SchmidMottok.java
+++ b/src/main/java/mvd/jester/tests/SchmidMottok.java
@@ -4,7 +4,9 @@ import java.math.RoundingMode;
 import java.util.Map.Entry;
 import com.google.common.math.LongMath;
 import mvd.jester.model.Segment;
+import mvd.jester.model.SortedTaskSet;
 import mvd.jester.model.Task;
+import mvd.jester.priority.PriorityManager;
 import mvd.jester.model.SystemSetup;
 /**
@@ -17,9 +19,11 @@ public class SchmidMottok extends AbstractTest {
    }
    @Override
-    public boolean runSchedulabilityCheck() {
+    public boolean runSchedulabilityCheck(PriorityManager priorityManager) {
+        tasks = new SortedTaskSet(priorityManager);
+        tasks.addAll(systemSetup.getTasks());
        responseTimes.clear();
-        for (Task t : systemSetup.getTasks()) {
+        for (Task t : tasks) {
            responseTimes.put(t, calculateResponseTime(t));
        }
@@ -47,7 +51,7 @@ public class SchmidMottok extends AbstractTest {
            previousResponseTime = responseTime;
            double taskInterference = 0;
-            for (Task t : systemSetup.getTasks()) {
+            for (Task t : tasks) {
                if (t.getPeriod() < task.getPeriod()) {
                    long numberOfJobs =
                            t.getMaximumParallelism() > numberOfProcessors ? numberOfProcessors

--- a/src/main/java/mvd/jester/tests/TestInterface.java
+++ b/src/main/java/mvd/jester/tests/TestInterface.java
 package mvd.jester.tests;
+import mvd.jester.priority.PriorityManager;
 /**
 * TestInterface
 */
 public interface TestInterface {
-    public boolean runSchedulabilityCheck();
+    public boolean runSchedulabilityCheck(PriorityManager priorityManager);
    public String getName();