analysis/org.eclipse.tracecompass.analysis.os.linux.core.tests/src/org/eclipse/tracecompass/analysis/os/linux/core/tests/latency/SyscallStatsAnalysisTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2015 Ericsson
   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
  10 package org.eclipse.tracecompass.analysis.os.linux.core.tests.latency;
  11
  12 import static org.junit.Assert.assertEquals;
  13 import static org.junit.Assert.assertNotNull;
  14
  15 import org.eclipse.tracecompass.analysis.timing.core.segmentstore.statistics.SegmentStoreStatistics;
  16 import org.eclipse.tracecompass.internal.analysis.os.linux.core.latency.SystemCallLatencyAnalysis;
  17 import org.eclipse.tracecompass.internal.analysis.os.linux.core.latency.statistics.SystemCallLatencyStatisticsAnalysisModule;
  18 import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
  19 import org.eclipse.tracecompass.tmf.core.analysis.IAnalysisModule;
  20 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal;
  21 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  22 import org.eclipse.tracecompass.tmf.core.trace.TmfTrace;
  23 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils;
  24 import org.junit.After;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27
  28 /**
  29  * Tests for the system call statistics analysis
  30  *
  31  * @author Matthew Khouzam
  32  */
  33 public class SyscallStatsAnalysisTest {
  34
  35     private TmfTrace fTestTrace;
  36     private SystemCallLatencyStatisticsAnalysisModule fSyscallStatsModule;
  37
  38     /**
  39      * Create the fixtures
  40      */
  41     @Before
  42     public void setupAnalysis() {
  43         ITmfTrace trace = KernelCtfTraceStub.getTrace(CtfTestTrace.ARM_64_BIT_HEADER);
  44         /* Make sure the Kernel analysis has run */
  45         ((TmfTrace) trace).traceOpened(new TmfTraceOpenedSignal(this, trace, null));
  46         IAnalysisModule module = null;
  47         for (IAnalysisModule mod : TmfTraceUtils.getAnalysisModulesOfClass(trace, SystemCallLatencyAnalysis.class)) {
  48             module = mod;
  49         }
  50         assertNotNull(module);
  51         module.schedule();
  52         module.waitForCompletion();
  53         SystemCallLatencyStatisticsAnalysisModule syscallStatsModule = null;
  54         for (IAnalysisModule mod : TmfTraceUtils.getAnalysisModulesOfClass(trace, SystemCallLatencyStatisticsAnalysisModule.class)) {
  55             syscallStatsModule = (SystemCallLatencyStatisticsAnalysisModule) mod;
  56         }
  57         assertNotNull(syscallStatsModule);
  58         syscallStatsModule.schedule();
  59         syscallStatsModule.waitForCompletion();
  60         fSyscallStatsModule = syscallStatsModule;
  61     }
  62
  63     /**
  64      * Dispose everything
  65      */
  66     @After
  67     public void cleanup() {
  68         final TmfTrace testTrace = fTestTrace;
  69         if (testTrace != null) {
  70             testTrace.dispose();
  71         }
  72     }
  73
  74     /**
  75      * This will load the analysis and test it. as it depends on Kernel, this
  76      * test runs the kernel trace first then the analysis
  77      */
  78     @Test
  79     public void testSmallTraceSequential() {
  80         final SystemCallLatencyStatisticsAnalysisModule syscallStatsModule = fSyscallStatsModule;
  81         assertNotNull(syscallStatsModule);
  82         SegmentStoreStatistics totalStats = syscallStatsModule.getTotalStats();
  83         assertNotNull(totalStats);
  84         assertEquals(1801, totalStats.getNbSegments());
  85         assertEquals(5904091700L, totalStats.getMax());
  86     }
  87 }