org.eclipse.linuxtools.lttng2.ust.core.tests/src/org/eclipse/linuxtools/lttng2/ust/core/tests/trace/callstack/LttngUstCallStackProviderFastTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Ericsson
   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  *   Alexandre Montplaisir - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.lttng2.ust.core.tests.trace.callstack;
  14
  15 import static org.junit.Assert.assertEquals;
  16 import static org.junit.Assert.assertNotNull;
  17 import static org.junit.Assert.assertTrue;
  18 import static org.junit.Assume.assumeTrue;
  19
  20 import java.io.File;
  21
  22 import org.eclipse.core.resources.IResource;
  23 import org.eclipse.core.runtime.IStatus;
  24 import org.eclipse.linuxtools.lttng2.ust.core.trace.LttngUstTrace;
  25 import org.eclipse.linuxtools.tmf.core.ctfadaptor.CtfTmfEvent;
  26 import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
  27 import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
  28 import org.eclipse.linuxtools.tmf.core.tests.shared.CtfTmfTestTrace;
  29 import org.eclipse.linuxtools.tmf.core.trace.TmfTraceManager;
  30 import org.junit.AfterClass;
  31 import org.junit.BeforeClass;
  32 import org.junit.Test;
  33
  34 /**
  35  * Test suite for the UST callstack state provider, using the trace of a program
  36  * instrumented with lttng-ust-cyg-profile-fast.so tracepoints. These do not
  37  * contain the function addresses in the func_exit events.
  38  *
  39  * @author Alexandre Montplaisir
  40  */
  41 public class LttngUstCallStackProviderFastTest {
  42
  43     // ------------------------------------------------------------------------
  44     // Attributes
  45     // ------------------------------------------------------------------------
  46
  47     private static final CtfTmfTestTrace testTrace = CtfTmfTestTrace.CYG_PROFILE_FAST;
  48
  49     private static final String PROCNAME = "glxgears-29822";
  50
  51     private static LttngUstTrace fixture = null;
  52
  53     // ------------------------------------------------------------------------
  54     // Class  methods
  55     // ------------------------------------------------------------------------
  56
  57     /**
  58      * Perform pre-class initialization.
  59      *
  60      * @throws TmfTraceException
  61      *             If the test trace is not found
  62      */
  63     @BeforeClass
  64     public static void setUp() throws TmfTraceException {
  65         assumeTrue(testTrace.exists());
  66
  67         /* We init the trace ourselves (we need the specific LttngUstTrace type) */
  68         fixture = new LttngUstTrace();
  69         IStatus valid = fixture.validate(null, testTrace.getPath());
  70         assertTrue(valid.isOK());
  71         fixture.initTrace((IResource) null, testTrace.getPath(), CtfTmfEvent.class);
  72         TestUtils.openTrace(fixture);
  73     }
  74
  75     /**
  76      * Perform post-class clean-up.
  77      */
  78     @AfterClass
  79     public static void tearDown() {
  80         if (fixture != null) {
  81             fixture.dispose();
  82             File suppDir = new File(TmfTraceManager.getSupplementaryFileDir(fixture));
  83             TestUtils.deleteDirectory(suppDir);
  84         }
  85     }
  86
  87     // ------------------------------------------------------------------------
  88     // Test methods
  89     // ------------------------------------------------------------------------
  90
  91     /**
  92      * Test that the callstack state system is there and contains data.
  93      */
  94     @Test
  95     public void testConstruction() {
  96         ITmfStateSystem ss = fixture.getStateSystems().get(TestUtils.SSID);
  97         assertNotNull(ss);
  98         assertTrue(ss.getNbAttributes() > 0);
  99     }
 100
 101     /**
 102      * Test the callstack at the beginning of the state system.
 103      */
 104     @Test
 105     public void testCallStackBegin() {
 106         long start = fixture.getStateSystems().get(TestUtils.SSID).getStartTime();
 107         String[] cs = TestUtils.getCallStack(fixture, PROCNAME, start);
 108         assertEquals(1, cs.length);
 109
 110         assertEquals("40472b", cs[0]);
 111     }
 112
 113     /**
 114      * Test the callstack somewhere in the trace.
 115      */
 116     @Test
 117     public void testCallStack1() {
 118         String[] cs = TestUtils.getCallStack(fixture, PROCNAME, 1379361250310000000L);
 119         assertEquals(2, cs.length);
 120
 121         assertEquals("40472b", cs[0]);
 122         assertEquals("403d60", cs[1]);
 123     }
 124
 125     /**
 126      * Test the callstack somewhere in the trace.
 127      */
 128     @Test
 129     public void testCallStack2() {
 130         String[] cs = TestUtils.getCallStack(fixture, PROCNAME, 1379361250498400000L);
 131         assertEquals(3, cs.length);
 132
 133         assertEquals("40472b", cs[0]);
 134         assertEquals("403b14", cs[1]);
 135         assertEquals("401b23", cs[2]);
 136     }
 137
 138     /**
 139      * Test the callstack somewhere in the trace.
 140      */
 141     @Test
 142     public void testCallStack3() {
 143         String[] cs = TestUtils.getCallStack(fixture, PROCNAME, 1379361250499759000L);
 144         assertEquals(4, cs.length);
 145
 146         assertEquals("40472b", cs[0]);
 147         assertEquals("4045c8", cs[1]);
 148         assertEquals("403760", cs[2]);
 149         assertEquals("401aac", cs[3]);
 150     }
 151
 152     /**
 153      * Test the callstack at the end of the trace/state system.
 154      */
 155     @Test
 156     public void testCallStackEnd() {
 157         long end = fixture.getStateSystems().get(TestUtils.SSID).getCurrentEndTime();
 158         String[] cs = TestUtils.getCallStack(fixture, PROCNAME, end);
 159         assertEquals(3, cs.length);
 160
 161         assertEquals("40472b", cs[0]);
 162         assertEquals("4045c8", cs[1]);
 163         assertEquals("403760", cs[2]);
 164     }
 165 }