lttng/org.eclipse.tracecompass.lttng2.kernel.core.tests/perf/org/eclipse/tracecompass/lttng2/kernel/core/tests/perf/event/matching/TraceSynchronizationBenchmark.java

   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.tracecompass.lttng2.kernel.core.tests.perf.event.matching;
  14
  15 import static org.junit.Assert.assertNotNull;
  16
  17 import java.util.Collections;
  18
  19 import org.eclipse.jdt.annotation.NonNull;
  20 import org.eclipse.test.performance.Dimension;
  21 import org.eclipse.test.performance.Performance;
  22 import org.eclipse.test.performance.PerformanceMeter;
  23 import org.eclipse.tracecompass.internal.lttng2.kernel.core.event.matching.TcpEventMatching;
  24 import org.eclipse.tracecompass.internal.lttng2.kernel.core.event.matching.TcpLttngEventMatching;
  25 import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
  26 import org.eclipse.tracecompass.tmf.core.event.matching.TmfEventMatching;
  27 import org.eclipse.tracecompass.tmf.core.synchronization.SynchronizationAlgorithm;
  28 import org.eclipse.tracecompass.tmf.core.synchronization.SynchronizationManager;
  29 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  30 import org.eclipse.tracecompass.tmf.core.trace.experiment.TmfExperiment;
  31 import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
  32 import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTraceUtils;
  33 import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace;
  34 import org.junit.BeforeClass;
  35 import org.junit.Test;
  36
  37 /**
  38  * Benchmark trace synchronization
  39  *
  40  * @author Geneviève Bastien
  41  */
  42 public class TraceSynchronizationBenchmark {
  43
  44     private static final String TEST_ID = "org.eclipse.linuxtools#Trace synchronization#";
  45     private static final String TIME = " (time)";
  46     private static final String MEMORY = " (memory usage)";
  47     private static final String TEST_SUMMARY = "Trace synchronization";
  48
  49     /**
  50      * Initialize some data
  51      */
  52     @BeforeClass
  53     public static void setUp() {
  54         TmfEventMatching.registerMatchObject(new TcpEventMatching());
  55         TmfEventMatching.registerMatchObject(new TcpLttngEventMatching());
  56     }
  57
  58     /**
  59      * Run the benchmark with 2 small traces
  60      */
  61     @Test
  62     public void testSmallTraces() {
  63         CtfTmfTrace trace1 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.SYNC_SRC);
  64         CtfTmfTrace trace2 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.SYNC_DEST);
  65
  66         ITmfTrace[] traces = { trace1, trace2 };
  67         TmfExperiment experiment = new TmfExperiment(CtfTmfEvent.class, "Test experiment", traces, TmfExperiment.DEFAULT_INDEX_PAGE_SIZE, null);
  68         runCpuTest(experiment, "Match TCP events", 40);
  69
  70         trace1.dispose();
  71         trace2.dispose();
  72     }
  73
  74     /**
  75      * Run the benchmark with 3 bigger traces
  76      */
  77     @Test
  78     public void testDjangoTraces() {
  79         CtfTmfTrace trace1 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_CLIENT);
  80         CtfTmfTrace trace2 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_DB);
  81         CtfTmfTrace trace3 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_HTTPD);
  82
  83         ITmfTrace[] traces = { trace1, trace2, trace3 };
  84         TmfExperiment experiment = new TmfExperiment(CtfTmfEvent.class, "Test experiment", traces, TmfExperiment.DEFAULT_INDEX_PAGE_SIZE, null);
  85         runCpuTest(experiment, "Django traces", 10);
  86         runMemoryTest(experiment, "Django traces", 10);
  87
  88         trace1.dispose();
  89         trace2.dispose();
  90         trace3.dispose();
  91     }
  92
  93     private static void runCpuTest(@NonNull TmfExperiment experiment, String testName, int loop_count) {
  94         Performance perf = Performance.getDefault();
  95         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + TIME);
  96         perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + TIME, Dimension.CPU_TIME);
  97
  98         for (int i = 0; i < loop_count; i++) {
  99             pm.start();
 100             SynchronizationManager.synchronizeTraces(null, Collections.singleton(experiment), true);
 101             pm.stop();
 102         }
 103         pm.commit();
 104
 105     }
 106
 107     /* Benchmark memory used by the algorithm */
 108     private static void runMemoryTest(@NonNull TmfExperiment experiment, String testName, int loop_count) {
 109         Performance perf = Performance.getDefault();
 110         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + MEMORY);
 111         perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + MEMORY, Dimension.USED_JAVA_HEAP);
 112
 113         for (int i = 0; i < loop_count; i++) {
 114
 115             System.gc();
 116             pm.start();
 117             SynchronizationAlgorithm algo = SynchronizationManager.synchronizeTraces(null, Collections.singleton(experiment), true);
 118             assertNotNull(algo);
 119
 120             System.gc();
 121             pm.stop();
 122         }
 123         pm.commit();
 124     }
 125 }