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