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.os.linux.core.tests.stubs.trace.KernelCtfTraceStub;
  16 import org.eclipse.tracecompass.analysis.timing.core.segmentstore.statistics.SegmentStoreStatistics;
  17 import org.eclipse.tracecompass.internal.analysis.os.linux.core.latency.SystemCallLatencyAnalysis;
  18 import org.eclipse.tracecompass.internal.analysis.os.linux.core.latency.statistics.SystemCallLatencyStatisticsAnalysisModule;
  19 import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
  20 import org.eclipse.tracecompass.tmf.core.analysis.IAnalysisModule;
  21 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal;
  22 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  23 import org.eclipse.tracecompass.tmf.core.trace.TmfTrace;
  24 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils;
  25 import org.junit.After;
  26 import org.junit.Before;
  27 import org.junit.Test;
  28
  29 /**
  30  * Tests for the system call statistics analysis
  31  *
  32  * @author Matthew Khouzam
  33  */
  34 public class SyscallStatsAnalysisTest {
  35
  36     private TmfTrace fTestTrace;
  37     private SystemCallLatencyStatisticsAnalysisModule fSyscallStatsModule;
  38
  39     /**
  40      * Create the fixtures
  41      */
  42     @Before
  43     public void setupAnalysis() {
  44         ITmfTrace trace = KernelCtfTraceStub.getTrace(CtfTestTrace.ARM_64_BIT_HEADER);
  45         /* Make sure the Kernel analysis has run */
  46         ((TmfTrace) trace).traceOpened(new TmfTraceOpenedSignal(this, trace, null));
  47         IAnalysisModule module = null;
  48         for (IAnalysisModule mod : TmfTraceUtils.getAnalysisModulesOfClass(trace, SystemCallLatencyAnalysis.class)) {
  49             module = mod;
  50         }
  51         assertNotNull(module);
  52         module.schedule();
  53         module.waitForCompletion();
  54         SystemCallLatencyStatisticsAnalysisModule syscallStatsModule = null;
  55         for (IAnalysisModule mod : TmfTraceUtils.getAnalysisModulesOfClass(trace, SystemCallLatencyStatisticsAnalysisModule.class)) {
  56             syscallStatsModule = (SystemCallLatencyStatisticsAnalysisModule) mod;
  57         }
  58         assertNotNull(syscallStatsModule);
  59         syscallStatsModule.schedule();
  60         syscallStatsModule.waitForCompletion();
  61         fSyscallStatsModule = syscallStatsModule;
  62     }
  63
  64     /**
  65      * Dispose everything
  66      */
  67     @After
  68     public void cleanup() {
  69         final TmfTrace testTrace = fTestTrace;
  70         if (testTrace != null) {
  71             testTrace.dispose();
  72         }
  73     }
  74
  75     /**
  76      * This will load the analysis and test it. as it depends on Kernel, this
  77      * test runs the kernel trace first then the analysis
  78      */
  79     @Test
  80     public void testSmallTraceSequential() {
  81         final SystemCallLatencyStatisticsAnalysisModule syscallStatsModule = fSyscallStatsModule;
  82         assertNotNull(syscallStatsModule);
  83         SegmentStoreStatistics totalStats = syscallStatsModule.getTotalStats();
  84         assertNotNull(totalStats);
  85         assertEquals(1801, totalStats.getNbSegments());
  86         assertEquals(5904091700L, totalStats.getMax());
  87     }
  88 }