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

   1 /*******************************************************************************
   2  * Copyright (c) 2016 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 java.io.IOException;
  16
  17 import org.eclipse.core.runtime.FileLocator;
  18 import org.eclipse.jdt.annotation.NonNull;
  19 import org.eclipse.tracecompass.analysis.os.linux.core.latency.SystemCallLatencyAnalysis;
  20 import org.eclipse.tracecompass.analysis.os.linux.core.tests.stubs.trace.KernelEventLayoutStub;
  21 import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelAnalysisEventLayout;
  22 import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelTrace;
  23 import org.eclipse.tracecompass.segmentstore.core.ISegment;
  24 import org.eclipse.tracecompass.segmentstore.core.ISegmentStore;
  25 import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
  26 import org.eclipse.tracecompass.tmf.core.analysis.IAnalysisModule;
  27 import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
  28 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal;
  29 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  30 import org.eclipse.tracecompass.tmf.core.trace.TmfTrace;
  31 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils;
  32 import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
  33 import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace;
  34 import org.junit.After;
  35 import org.junit.Before;
  36 import org.junit.Test;
  37
  38 /**
  39  * Tests for the system call analysis
  40  *
  41  * @author Matthew Khouzam
  42  */
  43 public class SyscallAnalysisTest {
  44
  45     private static class KernelStubTrace extends CtfTmfTrace implements IKernelTrace {
  46         public KernelStubTrace() {
  47             super();
  48         }
  49
  50         public static synchronized KernelStubTrace getTrace(CtfTestTrace ctfTrace) {
  51             String tracePath;
  52             try {
  53                 tracePath = FileLocator.toFileURL(ctfTrace.getTraceURL()).getPath();
  54             } catch (IOException e) {
  55                 throw new IllegalStateException();
  56             }
  57
  58             KernelStubTrace trace = new KernelStubTrace();
  59             try {
  60                 trace.initTrace(null, tracePath, CtfTmfEvent.class);
  61             } catch (TmfTraceException e) {
  62                 /* Should not happen if tracesExist() passed */
  63                 throw new RuntimeException(e);
  64             }
  65             return trace;
  66         }
  67
  68         @Override
  69         public @NonNull IKernelAnalysisEventLayout getKernelEventLayout() {
  70             return KernelEventLayoutStub.getInstance();
  71         }
  72     }
  73
  74     private SystemCallLatencyAnalysis fSyscallModule;
  75
  76     /**
  77      * Test setup
  78      */
  79     @Before
  80     public void setUp() {
  81         ITmfTrace trace = KernelStubTrace.getTrace(CtfTestTrace.ARM_64_BIT_HEADER);
  82         /* Make sure the Kernel analysis has run */
  83         ((TmfTrace) trace).traceOpened(new TmfTraceOpenedSignal(this, trace, null));
  84         for (IAnalysisModule mod : TmfTraceUtils.getAnalysisModulesOfClass(trace, SystemCallLatencyAnalysis.class)) {
  85             fSyscallModule = (SystemCallLatencyAnalysis) mod;
  86         }
  87         assertNotNull(fSyscallModule);
  88         fSyscallModule.schedule();
  89         fSyscallModule.waitForCompletion();
  90     }
  91
  92     /**
  93      * Dispose everything
  94      */
  95     @After
  96     public void cleanup() {
  97         final SystemCallLatencyAnalysis syscallModule = fSyscallModule;
  98         if( syscallModule != null) {
  99             syscallModule.dispose();
 100         }
 101     }
 102
 103     /**
 104      * This will load the analysis and test it. as it depends on Kernel, this
 105      * test runs the kernel trace first then the analysis
 106      */
 107     @Test
 108     public void testSmallTraceSequential() {
 109         final SystemCallLatencyAnalysis syscallModule = fSyscallModule;
 110         assertNotNull(syscallModule);
 111         ISegmentStore<@NonNull ISegment> segmentStore = syscallModule.getSegmentStore();
 112         assertNotNull(segmentStore);
 113         assertEquals(1801, segmentStore.size());
 114     }
 115 }