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e73a4ba5 | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2013, 2014 École Polytechnique de Montréal |
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3 | * |
4 | * All rights reserved. This program and the accompanying materials are made | |
5 | * 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 implementation | |
11 | *******************************************************************************/ | |
12 | ||
9bc60be7 | 13 | package org.eclipse.tracecompass.lttng2.kernel.core.tests.event.matchandsync; |
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14 | |
15 | import static org.junit.Assert.assertEquals; | |
e73a4ba5 | 16 | |
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17 | import java.util.concurrent.TimeUnit; |
18 | ||
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19 | import org.eclipse.tracecompass.internal.lttng2.kernel.core.event.matching.TcpEventMatching; |
20 | import org.eclipse.tracecompass.internal.lttng2.kernel.core.event.matching.TcpLttngEventMatching; | |
c4d57ac1 | 21 | import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace; |
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22 | import org.eclipse.tracecompass.tmf.core.event.matching.TmfEventMatching; |
23 | import org.eclipse.tracecompass.tmf.core.synchronization.ITmfTimestampTransform; | |
24 | import org.eclipse.tracecompass.tmf.core.synchronization.SynchronizationAlgorithm; | |
25 | import org.eclipse.tracecompass.tmf.core.synchronization.TimestampTransformFactory; | |
26 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
5c5fa260 | 27 | import org.eclipse.tracecompass.tmf.core.trace.experiment.TmfExperiment; |
c4d57ac1 | 28 | import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTraceUtils; |
9722e5d7 | 29 | import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace; |
58ba027e | 30 | import org.junit.BeforeClass; |
8258d369 | 31 | import org.junit.Rule; |
e73a4ba5 | 32 | import org.junit.Test; |
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33 | import org.junit.rules.TestRule; |
34 | import org.junit.rules.Timeout; | |
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35 | |
36 | /** | |
37 | * Tests for experiment syncing | |
38 | * | |
39 | * @author Geneviève Bastien | |
40 | */ | |
41 | @SuppressWarnings("nls") | |
42 | public class ExperimentSyncTest { | |
43 | ||
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44 | /** Timeout the tests after 2 minutes */ |
45 | @Rule | |
46 | public TestRule timeoutRule = new Timeout(2, TimeUnit.MINUTES); | |
47 | ||
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48 | private static final String EXPERIMENT = "MyExperiment"; |
49 | private static int BLOCK_SIZE = 1000; | |
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50 | |
51 | /** | |
ac29c59b | 52 | * Initialize some data |
e73a4ba5 | 53 | */ |
58ba027e | 54 | @BeforeClass |
ac29c59b | 55 | public static void setUp() { |
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56 | TmfEventMatching.registerMatchObject(new TcpEventMatching()); |
57 | TmfEventMatching.registerMatchObject(new TcpLttngEventMatching()); | |
58 | } | |
59 | ||
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60 | /** |
61 | * Testing experiment synchronization | |
62 | */ | |
63 | @Test | |
64 | public void testExperimentSync() { | |
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65 | CtfTmfTrace trace1 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.SYNC_SRC); |
66 | CtfTmfTrace trace2 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.SYNC_DEST); | |
ac29c59b | 67 | |
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68 | ITmfTrace[] traces = { trace1, trace2 }; |
69 | TmfExperiment experiment = new TmfExperiment(traces[0].getEventType(), EXPERIMENT, traces, BLOCK_SIZE, null); | |
e73a4ba5 | 70 | |
0ff9e595 | 71 | SynchronizationAlgorithm syncAlgo = experiment.synchronizeTraces(true); |
e73a4ba5 | 72 | |
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73 | ITmfTimestampTransform tt1 = syncAlgo.getTimestampTransform(trace1); |
74 | ITmfTimestampTransform tt2 = syncAlgo.getTimestampTransform(trace2); | |
e73a4ba5 | 75 | |
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76 | trace1.setTimestampTransform(tt1); |
77 | trace2.setTimestampTransform(tt2); | |
e73a4ba5 | 78 | |
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79 | assertEquals("TmfTimestampTransformLinearFast [ slope = 0.9999413783703139011056845831168394, offset = 79796507913179.33347660124688298171 ]", tt1.toString()); |
80 | assertEquals(TimestampTransformFactory.getDefaultTransform(), tt2); | |
ac29c59b | 81 | |
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82 | assertEquals(syncAlgo.getTimestampTransform(trace1.getHostId()), trace1.getTimestampTransform()); |
83 | assertEquals(syncAlgo.getTimestampTransform(trace2.getHostId()), trace2.getTimestampTransform()); | |
ac29c59b | 84 | |
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85 | trace1.dispose(); |
86 | trace2.dispose(); | |
ac29c59b | 87 | } |
e73a4ba5 | 88 | |
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89 | /** |
90 | * Testing synchronization with 3 traces, one of which synchronizes with | |
91 | * both other | |
92 | */ | |
93 | @Test | |
94 | public void testDjangoExperimentSync() { | |
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95 | CtfTmfTrace trace1 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_CLIENT); |
96 | CtfTmfTrace trace2 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_DB); | |
97 | CtfTmfTrace trace3 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_HTTPD); | |
ac29c59b | 98 | |
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99 | ITmfTrace[] traces = { trace1, trace2, trace3 }; |
100 | TmfExperiment experiment = new TmfExperiment(traces[0].getEventType(), EXPERIMENT, traces, BLOCK_SIZE, null); | |
ac29c59b | 101 | |
0ff9e595 | 102 | SynchronizationAlgorithm syncAlgo = experiment.synchronizeTraces(true); |
ac29c59b | 103 | |
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104 | ITmfTimestampTransform tt1 = syncAlgo.getTimestampTransform(trace1); |
105 | ITmfTimestampTransform tt2 = syncAlgo.getTimestampTransform(trace2); | |
106 | ITmfTimestampTransform tt3 = syncAlgo.getTimestampTransform(trace3); | |
e73a4ba5 | 107 | |
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108 | trace1.setTimestampTransform(tt1); |
109 | trace2.setTimestampTransform(tt2); | |
110 | trace3.setTimestampTransform(tt3); | |
111 | ||
112 | assertEquals(TimestampTransformFactory.getDefaultTransform(), tt1); | |
113 | assertEquals("TmfTimestampTransformLinearFast [ slope = 0.9999996313017589597204633828681240, offset = 498490309972.0038068817738527724192 ]", tt2.toString()); | |
114 | assertEquals("TmfTimestampTransformLinearFast [ slope = 1.000000119014882262265342419815932, offset = -166652893534.6189900382736187431134 ]", tt3.toString()); | |
115 | ||
116 | trace1.dispose(); | |
117 | trace2.dispose(); | |
118 | trace3.dispose(); | |
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119 | } |
120 | } |