org.eclipse.linuxtools.lttng2.kernel.core.tests/src/org/eclipse/linuxtools/lttng2/kernel/core/tests/analysis/LttngKernelAnalysisTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 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.linuxtools.lttng2.kernel.core.tests.analysis;
  14
  15 import static org.junit.Assert.assertEquals;
  16 import static org.junit.Assert.assertFalse;
  17 import static org.junit.Assert.assertNotNull;
  18 import static org.junit.Assert.assertNull;
  19 import static org.junit.Assert.assertTrue;
  20 import static org.junit.Assert.fail;
  21 import static org.junit.Assume.assumeTrue;
  22
  23 import java.util.List;
  24 import java.util.Set;
  25
  26 import org.eclipse.linuxtools.internal.lttng2.kernel.core.LttngStrings;
  27 import org.eclipse.linuxtools.lttng2.control.core.session.SessionConfigStrings;
  28 import org.eclipse.linuxtools.lttng2.kernel.core.analysis.LttngKernelAnalysisModule;
  29 import org.eclipse.linuxtools.statesystem.core.ITmfStateSystem;
  30 import org.eclipse.linuxtools.tmf.core.analysis.TmfAnalysisRequirement;
  31 import org.eclipse.linuxtools.tmf.core.exceptions.TmfAnalysisException;
  32 import org.eclipse.linuxtools.tmf.core.tests.shared.TmfTestHelper;
  33 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  34 import org.eclipse.linuxtools.tmf.ctf.core.CtfTmfTrace;
  35 import org.eclipse.linuxtools.tmf.ctf.core.tests.shared.CtfTmfTestTrace;
  36 import org.junit.After;
  37 import org.junit.Before;
  38 import org.junit.Test;
  39
  40 import com.google.common.collect.ImmutableSet;
  41
  42 /**
  43  * Test the {@link LttngKernelAnalysisModule} class
  44  *
  45  * @author Geneviève Bastien
  46  */
  47 public class LttngKernelAnalysisTest {
  48
  49     private ITmfTrace fTrace;
  50     private LttngKernelAnalysisModule fKernelAnalysisModule;
  51
  52     /**
  53      * Set-up the test
  54      */
  55     @Before
  56     public void setUp() {
  57         fKernelAnalysisModule = new LttngKernelAnalysisModule();
  58         assumeTrue(CtfTmfTestTrace.KERNEL.exists());
  59         fTrace = CtfTmfTestTrace.KERNEL.getTrace();
  60     }
  61
  62     /**
  63      * Dispose test objects
  64      */
  65     @After
  66     public void tearDown() {
  67         fTrace.dispose();
  68         fKernelAnalysisModule.dispose();
  69     }
  70
  71     /**
  72      * Test the LTTng kernel analysis execution
  73      */
  74     @Test
  75     public void testAnalysisExecution() {
  76         fKernelAnalysisModule.setId("test");
  77         try {
  78             fKernelAnalysisModule.setTrace(fTrace);
  79         } catch (TmfAnalysisException e) {
  80             fail(e.getMessage());
  81         }
  82         // Assert the state system has not been initialized yet
  83         ITmfStateSystem ss = fKernelAnalysisModule.getStateSystem();
  84         assertNull(ss);
  85
  86         assertTrue(TmfTestHelper.executeAnalysis(fKernelAnalysisModule));
  87
  88         ss = fKernelAnalysisModule.getStateSystem();
  89         assertNotNull(ss);
  90
  91         List<Integer> quarks = ss.getQuarks("*");
  92         assertFalse(quarks.isEmpty());
  93     }
  94
  95     /**
  96      * Test the canExecute method on valid and invalid traces
  97      */
  98     @Test
  99     public void testCanExecute() {
 100         /* Test with a valid kernel trace */
 101         assertNotNull(fTrace);
 102         assertTrue(fKernelAnalysisModule.canExecute(fTrace));
 103
 104         /* Test with a CTF trace that does not have required events */
 105         assumeTrue(CtfTmfTestTrace.CYG_PROFILE.exists());
 106         try (CtfTmfTrace trace = CtfTmfTestTrace.CYG_PROFILE.getTrace();) {
 107             assertFalse(fKernelAnalysisModule.canExecute(trace));
 108         }
 109     }
 110
 111     /**
 112      * Test for {@link LttngKernelAnalysisModule#getAnalysisRequirements()}
 113      */
 114     @Test
 115     public void testGetAnalysisRequirements() {
 116         Iterable<TmfAnalysisRequirement> requirements = fKernelAnalysisModule.getAnalysisRequirements();
 117         assertNotNull(requirements);
 118
 119         /* There should be the event and domain type */
 120         TmfAnalysisRequirement eventReq = null;
 121         TmfAnalysisRequirement domainReq = null;
 122         int numberOfRequirement = 0;
 123         for (TmfAnalysisRequirement requirement : requirements) {
 124             ++numberOfRequirement;
 125             if (requirement.getType().equals(SessionConfigStrings.CONFIG_ELEMENT_EVENT)) {
 126                 eventReq = requirement;
 127             } else if (requirement.getType().equals(SessionConfigStrings.CONFIG_ELEMENT_DOMAIN)) {
 128                 domainReq = requirement;
 129             }
 130         }
 131         assertNotNull(eventReq);
 132         assertNotNull(domainReq);
 133
 134         /* There should be two requirements */
 135         assertEquals(2, numberOfRequirement);
 136
 137         /* Verify the content of the requirements themselves */
 138         /* Domain should be kernel */
 139         assertEquals(1, domainReq.getValues().size());
 140         for (String domain : domainReq.getValues()) {
 141             assertEquals(SessionConfigStrings.CONFIG_DOMAIN_TYPE_KERNEL, domain);
 142         }
 143
 144         /* Events */
 145         Set<String> expectedEvents = ImmutableSet.of(
 146                 LttngStrings.EXIT_SYSCALL,
 147                 LttngStrings.IRQ_HANDLER_ENTRY,
 148                 LttngStrings.IRQ_HANDLER_EXIT,
 149                 LttngStrings.SOFTIRQ_ENTRY,
 150                 LttngStrings.SOFTIRQ_EXIT,
 151                 LttngStrings.SOFTIRQ_RAISE,
 152                 LttngStrings.SCHED_SWITCH,
 153                 LttngStrings.SCHED_PROCESS_FORK,
 154                 LttngStrings.SCHED_PROCESS_EXIT,
 155                 LttngStrings.SCHED_PROCESS_FREE,
 156                 LttngStrings.STATEDUMP_PROCESS_STATE,
 157                 LttngStrings.SCHED_WAKEUP,
 158                 LttngStrings.SCHED_WAKEUP_NEW,
 159                 /* Add the prefix for syscalls */
 160                 LttngStrings.SYSCALL_PREFIX
 161                 );
 162
 163         assertEquals(14, eventReq.getValues().size());
 164         for (String event : eventReq.getValues()) {
 165             assertTrue("Unexpected event " + event, expectedEvents.contains(event));
 166         }
 167     }
 168 }