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/*******************************************************************************
* Copyright (c) 2014 École Polytechnique de Montréal
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Geneviève Bastien - Initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.lttng2.kernel.core.tests.analysis;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.junit.Assume.assumeTrue;
import java.util.List;
import java.util.Set;
import org.eclipse.linuxtools.internal.lttng2.kernel.core.LttngStrings;
import org.eclipse.linuxtools.lttng2.control.core.session.SessionConfigStrings;
import org.eclipse.linuxtools.lttng2.kernel.core.analysis.LttngKernelAnalysisModule;
import org.eclipse.linuxtools.statesystem.core.ITmfStateSystem;
import org.eclipse.linuxtools.tmf.core.analysis.TmfAnalysisRequirement;
import org.eclipse.linuxtools.tmf.core.exceptions.TmfAnalysisException;
import org.eclipse.linuxtools.tmf.core.tests.shared.TmfTestHelper;
import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
import org.eclipse.linuxtools.tmf.ctf.core.tests.shared.CtfTmfTestTrace;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.google.common.collect.ImmutableSet;
/**
* Test the {@link LttngKernelAnalysisModule} class
*
* @author Geneviève Bastien
*/
public class LttngKernelAnalysisTest {
private ITmfTrace fTrace;
private LttngKernelAnalysisModule fKernelAnalysisModule;
/**
* Set-up the test
*/
@Before
public void setUp() {
fKernelAnalysisModule = new LttngKernelAnalysisModule();
assumeTrue(CtfTmfTestTrace.KERNEL.exists());
fTrace = CtfTmfTestTrace.KERNEL.getTrace();
}
/**
* Dispose test objects
*/
@After
public void tearDown() {
fTrace.dispose();
fKernelAnalysisModule.dispose();
}
/**
* Test the LTTng kernel analysis execution
*/
@Test
public void testAnalysisExecution() {
fKernelAnalysisModule.setId("test");
try {
fKernelAnalysisModule.setTrace(fTrace);
} catch (TmfAnalysisException e) {
fail(e.getMessage());
}
// Assert the state system has not been initialized yet
ITmfStateSystem ss = fKernelAnalysisModule.getStateSystem();
assertNull(ss);
assertTrue(TmfTestHelper.executeAnalysis(fKernelAnalysisModule));
ss = fKernelAnalysisModule.getStateSystem();
assertNotNull(ss);
List<Integer> quarks = ss.getQuarks("*");
assertFalse(quarks.isEmpty());
}
/**
* Test for {@link LttngKernelAnalysisModule#getAnalysisRequirements()}
*/
@Test
public void testGetAnalysisRequirements() {
Iterable<TmfAnalysisRequirement> requirements = fKernelAnalysisModule.getAnalysisRequirements();
assertNotNull(requirements);
/* There should be the event and domain type */
TmfAnalysisRequirement eventReq = null;
TmfAnalysisRequirement domainReq = null;
int numberOfRequirement = 0;
for (TmfAnalysisRequirement requirement : requirements) {
++numberOfRequirement;
if (requirement.getType().equals(SessionConfigStrings.CONFIG_ELEMENT_EVENT)) {
eventReq = requirement;
} else if (requirement.getType().equals(SessionConfigStrings.CONFIG_ELEMENT_DOMAIN)) {
domainReq = requirement;
}
}
assertNotNull(eventReq);
assertNotNull(domainReq);
/* There should be two requirements */
assertEquals(2, numberOfRequirement);
/* Verify the content of the requirements themselves */
/* Domain should be kernel */
assertEquals(1, domainReq.getValues().size());
for (String domain : domainReq.getValues()) {
assertEquals(SessionConfigStrings.CONFIG_DOMAIN_TYPE_KERNEL, domain);
}
/* Events */
Set<String> expectedEvents = ImmutableSet.of(
LttngStrings.EXIT_SYSCALL,
LttngStrings.IRQ_HANDLER_ENTRY,
LttngStrings.IRQ_HANDLER_EXIT,
LttngStrings.SOFTIRQ_ENTRY,
LttngStrings.SOFTIRQ_EXIT,
LttngStrings.SOFTIRQ_RAISE,
LttngStrings.SCHED_SWITCH,
LttngStrings.SCHED_PROCESS_FORK,
LttngStrings.SCHED_PROCESS_EXIT,
LttngStrings.SCHED_PROCESS_FREE,
LttngStrings.STATEDUMP_PROCESS_STATE,
LttngStrings.SCHED_WAKEUP,
LttngStrings.SCHED_WAKEUP_NEW,
/* Add the prefix for syscalls */
LttngStrings.SYSCALL_PREFIX
);
assertEquals(14, eventReq.getValues().size());
for (String event : eventReq.getValues()) {
assertTrue("Unexpected event " + event, expectedEvents.contains(event));
}
}
}
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