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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.perf.event.matching; | |
14 | ||
15 | import static org.junit.Assert.fail; | |
16 | import static org.junit.Assume.assumeTrue; | |
17 | ||
18 | import org.eclipse.linuxtools.lttng2.kernel.core.event.matching.TcpEventMatching; | |
19 | import org.eclipse.linuxtools.lttng2.kernel.core.event.matching.TcpLttngEventMatching; | |
20 | import org.eclipse.linuxtools.tmf.core.event.matching.TmfEventMatching; | |
21 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; | |
22 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; | |
23 | import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment; | |
24 | import org.eclipse.linuxtools.tmf.ctf.core.CtfTmfEvent; | |
25 | import org.eclipse.linuxtools.tmf.ctf.core.CtfTmfTrace; | |
26 | import org.eclipse.linuxtools.tmf.ctf.core.tests.shared.CtfTmfTestTrace; | |
27 | import org.eclipse.test.performance.Dimension; | |
28 | import org.eclipse.test.performance.Performance; | |
29 | import org.eclipse.test.performance.PerformanceMeter; | |
30 | import org.junit.BeforeClass; | |
31 | import org.junit.Ignore; | |
32 | import org.junit.Test; | |
33 | ||
34 | /** | |
35 | * Benchmark trace synchronization | |
36 | * | |
37 | * @author Geneviève Bastien | |
38 | */ | |
39 | public class TraceSynchronizationBenchmark { | |
40 | ||
b09d20dc | 41 | private static final String TEST_ID = "org.eclipse.linuxtools#Trace synchronization#"; |
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42 | private static final String TIME = " (time)"; |
43 | private static final String MEMORY = " (memory usage)"; | |
44 | private static final String TEST_SUMMARY = "Trace synchronization"; | |
45 | private static int BLOCK_SIZE = 1000; | |
46 | ||
47 | /** | |
48 | * Initialize some data | |
49 | */ | |
50 | @BeforeClass | |
51 | public static void setUp() { | |
52 | TmfEventMatching.registerMatchObject(new TcpEventMatching()); | |
53 | TmfEventMatching.registerMatchObject(new TcpLttngEventMatching()); | |
54 | } | |
55 | ||
56 | /** | |
57 | * Run the benchmark with 2 small traces | |
58 | */ | |
59 | @Test | |
60 | public void testSmallTraces() { | |
61 | assumeTrue(CtfTmfTestTrace.SYNC_SRC.exists()); | |
62 | assumeTrue(CtfTmfTestTrace.SYNC_DEST.exists()); | |
63 | try (CtfTmfTrace trace1 = CtfTmfTestTrace.SYNC_SRC.getTrace(); | |
64 | CtfTmfTrace trace2 = CtfTmfTestTrace.SYNC_DEST.getTrace();) { | |
65 | ITmfTrace[] traces = { trace1, trace2 }; | |
66 | runCpuTest(traces, "Match TCP events", 40); | |
67 | } | |
68 | } | |
69 | ||
70 | /** | |
71 | * Run the benchmark with 3 bigger traces | |
72 | * | |
73 | * TODO: For now, this test takes a lot of RAM. To run, remove the @Ignore | |
74 | * and set at least 1024Mb RAM, or else there is OutOfMemoryError exception | |
75 | */ | |
76 | @Ignore | |
77 | @Test | |
78 | public void testDjangoTraces() { | |
79 | assumeTrue(CtfTmfTestTrace.DJANGO_CLIENT.exists()); | |
80 | assumeTrue(CtfTmfTestTrace.DJANGO_DB.exists()); | |
81 | assumeTrue(CtfTmfTestTrace.DJANGO_HTTPD.exists()); | |
82 | try (CtfTmfTrace trace1 = CtfTmfTestTrace.DJANGO_CLIENT.getTrace(); | |
83 | CtfTmfTrace trace2 = CtfTmfTestTrace.DJANGO_DB.getTrace(); | |
84 | CtfTmfTrace trace3 = CtfTmfTestTrace.DJANGO_HTTPD.getTrace();) { | |
85 | ITmfTrace[] traces = { trace1, trace2, trace3 }; | |
86 | runCpuTest(traces, "Django traces", 10); | |
87 | runMemoryTest(traces, "Django traces", 10); | |
88 | } | |
89 | } | |
90 | ||
91 | private static void runCpuTest(ITmfTrace[] testTraces, String testName, int loop_count) { | |
92 | Performance perf = Performance.getDefault(); | |
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93 | PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + TIME); |
94 | perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + TIME, Dimension.CPU_TIME); | |
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95 | |
96 | for (int i = 0; i < loop_count; i++) { | |
97 | TmfExperiment experiment = new TmfExperiment(CtfTmfEvent.class, "Test experiment", testTraces, BLOCK_SIZE); | |
98 | ||
99 | pm.start(); | |
100 | try { | |
101 | experiment.synchronizeTraces(true); | |
102 | } catch (TmfTraceException e) { | |
103 | fail("Failed at iteration " + i + " with message: " + e.getMessage()); | |
104 | } | |
105 | pm.stop(); | |
106 | ||
107 | } | |
108 | pm.commit(); | |
109 | ||
110 | } | |
111 | ||
112 | /* Benchmark memory used by the algorithm */ | |
113 | private static void runMemoryTest(ITmfTrace[] testTraces, String testName, int loop_count) { | |
114 | Performance perf = Performance.getDefault(); | |
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115 | PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + MEMORY); |
116 | perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + MEMORY, Dimension.USED_JAVA_HEAP); | |
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117 | |
118 | for (int i = 0; i < loop_count; i++) { | |
119 | TmfExperiment experiment = new TmfExperiment(CtfTmfEvent.class, "Test experiment", testTraces, BLOCK_SIZE); | |
120 | ||
121 | System.gc(); | |
122 | pm.start(); | |
123 | try { | |
124 | experiment.synchronizeTraces(true); | |
125 | } catch (TmfTraceException e) { | |
126 | fail("Failed at iteration " + i + " with message: " + e.getMessage()); | |
127 | } | |
128 | System.gc(); | |
129 | pm.stop(); | |
130 | ||
131 | } | |
132 | pm.commit(); | |
133 | } | |
134 | } |