analysis/org.eclipse.tracecompass.analysis.os.linux.core.tests/src/org/eclipse/tracecompass/analysis/os/linux/core/tests/kernelanalysis/KernelTidAspectTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2015 École Polytechnique de Montréal
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Geneviève Bastien - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.analysis.os.linux.core.tests.kernelanalysis;
  14
  15 import static org.junit.Assert.assertEquals;
  16 import static org.junit.Assert.assertNotNull;
  17 import static org.junit.Assert.assertNull;
  18 import static org.junit.Assert.fail;
  19
  20 import java.io.File;
  21
  22 import org.eclipse.core.runtime.IPath;
  23 import org.eclipse.core.runtime.IStatus;
  24 import org.eclipse.jdt.annotation.NonNull;
  25 import org.eclipse.tracecompass.analysis.os.linux.core.kernelanalysis.KernelAnalysisModule;
  26 import org.eclipse.tracecompass.analysis.os.linux.core.kernelanalysis.KernelTidAspect;
  27 import org.eclipse.tracecompass.analysis.os.linux.core.kernelanalysis.ThreadPriorityAspect;
  28 import org.eclipse.tracecompass.analysis.os.linux.core.tests.Activator;
  29 import org.eclipse.tracecompass.common.core.NonNullUtils;
  30 import org.eclipse.tracecompass.tmf.core.analysis.IAnalysisModule;
  31 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  32 import org.eclipse.tracecompass.tmf.core.event.TmfEvent;
  33 import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
  34 import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
  35 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal;
  36 import org.eclipse.tracecompass.tmf.core.trace.ITmfContext;
  37 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  38 import org.eclipse.tracecompass.tmf.core.trace.TmfTrace;
  39 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
  40 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils;
  41 import org.eclipse.tracecompass.tmf.tests.stubs.trace.xml.TmfXmlTraceStub;
  42 import org.junit.After;
  43 import org.junit.Before;
  44 import org.junit.Test;
  45
  46 import com.google.common.collect.ImmutableSet;
  47
  48 /**
  49  * Test the {@link KernelTidAspect} class
  50  *
  51  * @author Geneviève Bastien
  52  */
  53 public class KernelTidAspectTest {
  54
  55     private static final @NonNull String LTTNG_KERNEL_FILE = "testfiles/lttng_kernel_analysis.xml";
  56
  57     // ------------------------------------------------------------------------
  58     // Test trace class definition
  59     // ------------------------------------------------------------------------
  60
  61     private static class TmfXmlTraceStubWithTidAspects extends TmfXmlTraceStub {
  62
  63         public TmfXmlTraceStubWithTidAspects() {
  64             super();
  65         }
  66
  67         @Override
  68         public Iterable<ITmfEventAspect> getEventAspects() {
  69             ImmutableSet.Builder<ITmfEventAspect> builder = ImmutableSet.builder();
  70             builder.addAll(super.getEventAspects());
  71             builder.add(KernelTidAspect.INSTANCE);
  72             builder.add(ThreadPriorityAspect.INSTANCE);
  73             return NonNullUtils.checkNotNull(builder.build());
  74         }
  75
  76     }
  77
  78     private ITmfTrace fTrace;
  79
  80     private static void deleteSuppFiles(ITmfTrace trace) {
  81         /* Remove supplementary files */
  82         File suppDir = new File(TmfTraceManager.getSupplementaryFileDir(trace));
  83         for (File file : suppDir.listFiles()) {
  84             file.delete();
  85         }
  86     }
  87
  88     /**
  89      * Test setup
  90      */
  91     @Before
  92     public void setUp() {
  93         ITmfTrace trace = new TmfXmlTraceStubWithTidAspects();
  94         IPath filePath = Activator.getAbsoluteFilePath(LTTNG_KERNEL_FILE);
  95         IStatus status = trace.validate(null, filePath.toOSString());
  96         if (!status.isOK()) {
  97             fail(status.getException().getMessage());
  98         }
  99         try {
 100             trace.initTrace(null, filePath.toOSString(), TmfEvent.class);
 101         } catch (TmfTraceException e) {
 102             fail(e.getMessage());
 103         }
 104         deleteSuppFiles(trace);
 105         /* Make sure the Kernel analysis has run */
 106         ((TmfTrace) trace).traceOpened(new TmfTraceOpenedSignal(this, trace, null));
 107         IAnalysisModule module = null;
 108         for (IAnalysisModule mod : TmfTraceUtils.getAnalysisModulesOfClass(trace, KernelAnalysisModule.class)) {
 109             module = mod;
 110         }
 111         assertNotNull(module);
 112         module.schedule();
 113         module.waitForCompletion();
 114         fTrace = trace;
 115     }
 116
 117     /**
 118      * Test clean up
 119      */
 120     @After
 121     public void tearDown() {
 122         fTrace.dispose();
 123     }
 124
 125     private void resolveNextEvent(ITmfContext context, Integer tid) {
 126         ITmfTrace trace = fTrace;
 127         ITmfEvent event = trace.getNext(context);
 128         assertNotNull(event);
 129
 130         Object tidObj = TmfTraceUtils.resolveEventAspectOfClassForEvent(trace, KernelTidAspect.class, event);
 131         if (tid == null) {
 132             assertNull(tidObj);
 133         } else {
 134             assertNotNull(tidObj);
 135             assertEquals(tid, tidObj);
 136         }
 137     }
 138
 139     /**
 140      * Test the {@link KernelTidAspect#resolve(ITmfEvent)} method method
 141      */
 142     @Test
 143     public void testResolveTidAspect() {
 144
 145         ITmfContext context = fTrace.seekEvent(0L);
 146         resolveNextEvent(context, null);
 147         resolveNextEvent(context, null);
 148         resolveNextEvent(context, null);
 149         resolveNextEvent(context, 11);
 150         resolveNextEvent(context, null);
 151         resolveNextEvent(context, null);
 152         resolveNextEvent(context, 20);
 153         resolveNextEvent(context, 20);
 154         resolveNextEvent(context, 21);
 155         resolveNextEvent(context, 11);
 156         resolveNextEvent(context, 30);
 157         resolveNextEvent(context, 21);
 158         resolveNextEvent(context, 20);
 159     }
 160
 161 }