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/*******************************************************************************
* Copyright (c) 2018 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
*******************************************************************************/
package org.eclipse.tracecompass.incubator.analysis.core.tests.aspects;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.util.Collection;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.tracecompass.analysis.os.linux.core.event.aspect.LinuxTidAspect;
import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule;
import org.eclipse.tracecompass.incubator.analysis.core.aspects.AnalysisThreadNameAspect;
import org.eclipse.tracecompass.incubator.analysis.core.model.IHostModel;
import org.eclipse.tracecompass.incubator.analysis.core.model.ModelManager;
import org.eclipse.tracecompass.lttng2.kernel.core.trace.LttngKernelTrace;
import org.eclipse.tracecompass.lttng2.lttng.kernel.core.tests.shared.LttngKernelTestTraceUtils;
import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
import org.eclipse.tracecompass.tmf.core.analysis.IAnalysisModule;
import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
import org.eclipse.tracecompass.tmf.core.event.ITmfEventType;
import org.eclipse.tracecompass.tmf.core.event.TmfEvent;
import org.eclipse.tracecompass.tmf.core.event.TmfEventType;
import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal;
import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils;
import org.eclipse.tracecompass.tmf.tests.stubs.trace.TmfTraceStub;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.google.common.collect.ImmutableList;
/**
* Test the model and thread name Aspect with a KernelAnalysisModule from a kernel trace
*
* @author Guillaume Champagne
* @author Alexis-Maurer Fortin
* @author Hugo Genesse
* @author Pierre-Yves Lajoie
* @author Eva Terriault
*/
public class AnalysisThreadNameAspectTest {
/*
* For this trace, process 4111 was on CPU between 1332170688674418133 and
* 1332170688674530927 and on CPU 1 was process 1344
*/
private static final CtfTestTrace TRACE = CtfTestTrace.KERNEL;
private static final long startTs = 1332170688674418133L;
private static final int processCpu0 = 4111;
private static final String execNameCpu0 = "threaded-ml";
private @Nullable LttngKernelTrace fTrace;
/**
* Set-up the test
*/
@Before
public void setUp() {
LttngKernelTrace trace = LttngKernelTestTraceUtils.getTrace(TRACE);
trace.traceOpened(new TmfTraceOpenedSignal(this, trace, null));
IAnalysisModule kernelModule = trace.getAnalysisModule(KernelAnalysisModule.ID);
assertNotNull(kernelModule);
kernelModule.schedule();
assertTrue(kernelModule.waitForCompletion());
fTrace = trace;
}
/**
* Dispose test objects
*/
@After
public void tearDown() {
LttngKernelTestTraceUtils.dispose(CtfTestTrace.KERNEL);
fTrace = null;
}
/**
* Test that the {@link KernelAnalysisModule} is added to the model of the
* trace
*/
@Test
public void testModelExecName() {
LttngKernelTrace trace = fTrace;
assertNotNull(trace);
IHostModel model = ModelManager.getModelFor(trace.getHostId());
int threadOnCpu = model.getThreadOnCpu(0, startTs + 1);
assertEquals(processCpu0, threadOnCpu);
String execName = model.getExecName(threadOnCpu, startTs + 1);
assertEquals(execNameCpu0, execName);
}
/**
* Test that resolving the aspect for another trace with the same host ID
* gets the result from the Kernel analysis module
*/
@Test
public void testAspectFromOtherTrace() {
LttngKernelTrace trace = fTrace;
assertNotNull(trace);
ITmfTrace otherTrace = new TmfTraceStub() {
@Override
public @NonNull String getHostId() {
return trace.getHostId();
}
private final Collection<ITmfEventAspect<?>> fEventAspects = ImmutableList.of(new LinuxTidAspect() {
@Override
public @Nullable Integer resolve(ITmfEvent event) {
return processCpu0;
}
});
@Override
public Iterable<ITmfEventAspect<?>> getEventAspects() {
return fEventAspects;
}
};
try {
ITmfEvent event = new TmfEvent(otherTrace, 1, TmfTimestamp.fromNanos(startTs), new TmfEventType(ITmfEventType.DEFAULT_TYPE_ID, null), null);
Object execName = TmfTraceUtils.resolveEventAspectOfClassForEvent(otherTrace, AnalysisThreadNameAspect.class, event);
assertTrue(execName instanceof String);
assertEquals(execNameCpu0, execName);
} finally {
otherTrace.dispose();
}
}
}
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