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 static org.junit.Assume.assumeTrue;
  16
  17 import java.util.Set;
  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.tmf.core.event.matching.TmfEventMatching;
  25 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  26 import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTrace;
  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         assumeTrue(CtfTmfTestTrace.SYNC_SRC.exists());
  60         assumeTrue(CtfTmfTestTrace.SYNC_DEST.exists());
  61         try (CtfTmfTrace trace1 = CtfTmfTestTrace.SYNC_SRC.getTrace();
  62                 CtfTmfTrace trace2 = CtfTmfTestTrace.SYNC_DEST.getTrace();) {
  63             Set<ITmfTrace> traces = ImmutableSet.of((ITmfTrace) trace1, trace2);
  64             runCpuTest(traces, "Match TCP events", 100);
  65         }
  66     }
  67
  68     /**
  69      * Run the benchmark with 3 bigger traces
  70      */
  71     @Test
  72     public void testDjangoTraces() {
  73         assumeTrue(CtfTmfTestTrace.DJANGO_CLIENT.exists());
  74         assumeTrue(CtfTmfTestTrace.DJANGO_DB.exists());
  75         assumeTrue(CtfTmfTestTrace.DJANGO_HTTPD.exists());
  76         try (CtfTmfTrace trace1 = CtfTmfTestTrace.DJANGO_CLIENT.getTrace();
  77                 CtfTmfTrace trace2 = CtfTmfTestTrace.DJANGO_DB.getTrace();
  78                 CtfTmfTrace trace3 = CtfTmfTestTrace.DJANGO_HTTPD.getTrace();) {
  79             Set<ITmfTrace> traces = ImmutableSet.of((ITmfTrace) trace1, trace2, trace3);
  80             runCpuTest(traces, "Django traces", 10);
  81             runMemoryTest(traces, "Django traces", 10);
  82         }
  83     }
  84
  85     private static void runCpuTest(Set<ITmfTrace> testTraces, String testName, int loop_count) {
  86         Performance perf = Performance.getDefault();
  87         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + TIME);
  88         perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + TIME, Dimension.CPU_TIME);
  89
  90         for (int i = 0; i < loop_count; i++) {
  91             TmfEventMatching traceMatch = new TmfEventMatching(testTraces);
  92
  93             pm.start();
  94             traceMatch.matchEvents();
  95             pm.stop();
  96         }
  97         pm.commit();
  98
  99     }
 100
 101     /* Benchmark memory used by the algorithm */
 102     private static void runMemoryTest(Set<ITmfTrace> testTraces, String testName, int loop_count) {
 103         Performance perf = Performance.getDefault();
 104         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + testName + MEMORY);
 105         perf.tagAsSummary(pm, TEST_SUMMARY + ':' + testName + MEMORY, Dimension.USED_JAVA_HEAP);
 106
 107         for (int i = 0; i < loop_count; i++) {
 108             TmfEventMatching traceMatch = new TmfEventMatching(testTraces);
 109
 110             System.gc();
 111             pm.start();
 112             traceMatch.matchEvents();
 113             System.gc();
 114             pm.stop();
 115         }
 116         pm.commit();
 117
 118     }
 119 }