lttng/org.eclipse.tracecompass.lttng2.kernel.core.tests/perf/org/eclipse/tracecompass/lttng2/kernel/core/tests/perf/event/matching/EventMatchingBenchmark.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 java.util.Set;
  16
  17 import org.eclipse.jdt.annotation.NonNull;
  18 import org.eclipse.test.performance.Dimension;
  19 import org.eclipse.test.performance.Performance;
  20 import org.eclipse.test.performance.PerformanceMeter;
  21 import org.eclipse.tracecompass.internal.lttng2.kernel.core.event.matching.TcpEventMatching;
  22 import org.eclipse.tracecompass.internal.lttng2.kernel.core.event.matching.TcpLttngEventMatching;
  23 import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
  24 import org.eclipse.tracecompass.tmf.core.event.matching.TmfEventMatching;
  25 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  26 import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTraceUtils;
  27 import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace;
  28 import org.junit.BeforeClass;
  29 import org.junit.Test;
  30
  31 import com.google.common.collect.ImmutableSet;
  32
  33 /**
  34  * Benchmark simple event matching, without trace synchronization
  35  *
  36  * @author Geneviève Bastien
  37  */
  38 public class EventMatchingBenchmark {
  39
  40     private static final String TEST_ID = "org.eclipse.linuxtools#Event matching#";
  41     private static final String TIME = " (time)";
  42     private static final String MEMORY = " (memory usage)";
  43     private static final String TEST_SUMMARY = "Event matching";
  44
  45     /**
  46      * Initialize some data
  47      */
  48     @BeforeClass
  49     public static void setUp() {
  50         TmfEventMatching.registerMatchObject(new TcpEventMatching());
  51         TmfEventMatching.registerMatchObject(new TcpLttngEventMatching());
  52     }
  53
  54     /**
  55      * Run the benchmark with 2 small traces
  56      */
  57     @Test
  58     public void testSmallTraces() {
  59         CtfTmfTrace trace1 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.SYNC_SRC);
  60         CtfTmfTrace trace2 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.SYNC_DEST);
  61
  62         Set<@NonNull ITmfTrace> traces = ImmutableSet.of(trace1, trace2);
  63         runCpuTest(traces, "Match TCP events", 100);
  64
  65         trace1.dispose();
  66         trace2.dispose();
  67
  68     }
  69
  70     /**
  71      * Run the benchmark with 3 bigger traces
  72      */
  73     @Test
  74     public void testDjangoTraces() {
  75         CtfTmfTrace trace1 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_CLIENT);
  76         CtfTmfTrace trace2 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_DB);
  77         CtfTmfTrace trace3 = CtfTmfTestTraceUtils.getTrace(CtfTestTrace.DJANGO_HTTPD);
  78
  79         Set<@NonNull ITmfTrace> traces = ImmutableSet.of(trace1, trace2, trace3);
  80         runCpuTest(traces, "Django traces", 10);
  81         runMemoryTest(traces, "Django traces", 10);
  82
  83         trace1.dispose();
  84         trace2.dispose();
  85         trace3.dispose();
  86     }
  87
  88     private static void runCpuTest(Set<@NonNull ITmfTrace> testTraces, String testName, int loop_count) {
  89         Performance perf = Performance.getDefault();
  90         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + TIME);
  91         perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + TIME, Dimension.CPU_TIME);
  92
  93         for (int i = 0; i < loop_count; i++) {
  94             TmfEventMatching traceMatch = new TmfEventMatching(testTraces);
  95
  96             pm.start();
  97             traceMatch.matchEvents();
  98             pm.stop();
  99         }
 100         pm.commit();
 101
 102     }
 103
 104     /* Benchmark memory used by the algorithm */
 105     private static void runMemoryTest(Set<@NonNull ITmfTrace> testTraces, String testName, int loop_count) {
 106         Performance perf = Performance.getDefault();
 107         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + MEMORY);
 108         perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + MEMORY, Dimension.USED_JAVA_HEAP);
 109
 110         for (int i = 0; i < loop_count; i++) {
 111             TmfEventMatching traceMatch = new TmfEventMatching(testTraces);
 112
 113             System.gc();
 114             pm.start();
 115             traceMatch.matchEvents();
 116             System.gc();
 117             pm.stop();
 118         }
 119         pm.commit();
 120
 121     }
 122 }