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 import static org.junit.Assume.assumeTrue;
  18
  19 import java.io.File;
  20
  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.tmf.core.analysis.IAnalysisModule;
  27 import org.eclipse.tracecompass.tmf.core.exceptions.TmfAnalysisException;
  28 import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
  29 import org.eclipse.tracecompass.tmf.core.tests.shared.TmfTestHelper;
  30 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
  31 import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
  32 import org.eclipse.tracecompass.tmf.ctf.core.tests.shared.CtfTmfTestTrace;
  33 import org.junit.Test;
  34
  35 /**
  36  * This is a test of the time to build a kernel state system
  37  *
  38  * @author Genevieve Bastien
  39  */
  40 public class AnalysisBenchmark {
  41
  42     private static final String TEST_ID = "org.eclipse.linuxtools#LTTng kernel analysis";
  43     private static final int LOOP_COUNT = 25;
  44
  45     /**
  46      * Run the benchmark with "trace2"
  47      */
  48     @Test
  49     public void testTrace2() {
  50         runTest(CtfTmfTestTrace.TRACE2, "Trace2");
  51     }
  52
  53     private static void runTest(CtfTmfTestTrace testTrace, String testName) {
  54         assumeTrue(testTrace.exists());
  55
  56         Performance perf = Performance.getDefault();
  57         PerformanceMeter pm = perf.createPerformanceMeter(TEST_ID + '#' + testName);
  58         perf.tagAsSummary(pm, "LTTng Kernel Analysis: " + testName, Dimension.CPU_TIME);
  59
  60         if (testTrace == CtfTmfTestTrace.TRACE2) {
  61             /* Do not show all traces in the global summary */
  62             perf.tagAsGlobalSummary(pm, "LTTng Kernel Analysis: " + testName, Dimension.CPU_TIME);
  63         }
  64
  65         for (int i = 0; i < LOOP_COUNT; i++) {
  66             IAnalysisModule module = null;
  67             try (LttngKernelTrace trace = new LttngKernelTrace()) {
  68                 module = new KernelAnalysisModule();
  69                 module.setId("test");
  70                 trace.initTrace(null, testTrace.getPath(), CtfTmfEvent.class);
  71                 module.setTrace(trace);
  72
  73                 pm.start();
  74                 TmfTestHelper.executeAnalysis(module);
  75                 pm.stop();
  76
  77                 /*
  78                  * Delete the supplementary files, so that the next iteration
  79                  * rebuilds the state system.
  80                  */
  81                 File suppDir = new File(TmfTraceManager.getSupplementaryFileDir(trace));
  82                 for (File file : suppDir.listFiles()) {
  83                     file.delete();
  84                 }
  85
  86             } catch (TmfAnalysisException | TmfTraceException e) {
  87                 fail(e.getMessage());
  88             } finally {
  89                 if (module != null) {
  90                     module.dispose();
  91                 }
  92             }
  93         }
  94         pm.commit();
  95         testTrace.dispose();
  96     }
  97 }