lttng/org.eclipse.tracecompass.lttng2.kernel.core.tests/perf/org/eclipse/tracecompass/lttng2/kernel/core/tests/perf/analysis/AnalysisBenchmark.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014, 2015 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  *   Alexandre Montplaisir - Convert to org.eclipse.test.performance test
  12  *******************************************************************************/
  13
  14 package org.eclipse.tracecompass.lttng2.kernel.core.tests.perf.analysis;
  15
  16 import static org.junit.Assert.fail;
  17
  18 import java.io.File;
  19
  20 import org.eclipse.jdt.annotation.NonNull;
  21 import org.eclipse.test.performance.Dimension;
  22 import org.eclipse.test.performance.Performance;
  23 import org.eclipse.test.performance.PerformanceMeter;
  24 import org.eclipse.tracecompass.analysis.os.linux.core.kernelanalysis.KernelAnalysisModule;
  25 import org.eclipse.tracecompass.lttng2.kernel.core.trace.LttngKernelTrace;
  26 import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
  27 import org.eclipse.tracecompass.tmf.core.analysis.IAnalysisModule;
  28 import org.eclipse.tracecompass.tmf.core.exceptions.TmfAnalysisException;
  29 import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
  30 import org.eclipse.tracecompass.tmf.core.tests.shared.TmfTestHelper;
  31 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
  32 import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
  33 import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTraceUtils;
  34 import org.junit.Test;
  35
  36 /**
  37  * This is a test of the time to build a kernel state system
  38  *
  39  * @author Genevieve Bastien
  40  */
  41 public class AnalysisBenchmark {
  42
  43     private static final String TEST_ID = "org.eclipse.linuxtools#LTTng kernel analysis";
  44     private static final int LOOP_COUNT = 25;
  45
  46     /**
  47      * Run the benchmark with "trace2"
  48      */
  49     @Test
  50     public void testTrace2() {
  51         runTest(CtfTestTrace.TRACE2, "Trace2");
  52     }
  53
  54     private static void runTest(@NonNull CtfTestTrace testTrace, String testName) {
  55         Performance perf = Performance.getDefault();
  56         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + '#' + testName);
  57         perf.tagAsSummary(pm, "LTTng Kernel Analysis: " + testName, Dimension.CPU_TIME);
  58
  59         if (testTrace == CtfTestTrace.TRACE2) {
  60             /* Do not show all traces in the global summary */
  61             perf.tagAsGlobalSummary(pm, "LTTng Kernel Analysis: " + testName, Dimension.CPU_TIME);
  62         }
  63
  64         for (int i = 0; i < LOOP_COUNT; i++) {
  65             LttngKernelTrace trace = null;
  66             IAnalysisModule module = null;
  67             // TODO Allow the utility method to instantiate trace sub-types
  68             // directly.
  69             String path = CtfTmfTestTraceUtils.getTrace(testTrace).getPath();
  70
  71             try {
  72                 trace = new LttngKernelTrace();
  73                 module = new KernelAnalysisModule();
  74                 module.setId("test");
  75                 trace.initTrace(null, path, CtfTmfEvent.class);
  76                 module.setTrace(trace);
  77
  78                 pm.start();
  79                 TmfTestHelper.executeAnalysis(module);
  80                 pm.stop();
  81
  82                 /*
  83                  * Delete the supplementary files, so that the next iteration
  84                  * rebuilds the state system.
  85                  */
  86                 File suppDir = new File(TmfTraceManager.getSupplementaryFileDir(trace));
  87                 for (File file : suppDir.listFiles()) {
  88                     file.delete();
  89                 }
  90
  91             } catch (TmfAnalysisException | TmfTraceException e) {
  92                 fail(e.getMessage());
  93             } finally {
  94                 if (module != null) {
  95                     module.dispose();
  96                 }
  97                 if (trace != null) {
  98                     trace.dispose();
  99                 }
 100             }
 101         }
 102         pm.commit();
 103         CtfTmfTestTraceUtils.dispose(testTrace);
 104     }
 105 }