lttng/org.eclipse.tracecompass.lttng2.ust.ui/src/org/eclipse/tracecompass/lttng2/ust/ui/analysis/callstack/LttngUstCallStackAnalysis.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014, 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  * Contributors:
  10  *   Alexandre Montplaisir - Initial API and implementation
  11  *   Bernd Hufmann - Added analysis requirements
  12  *******************************************************************************/
  13
  14 package org.eclipse.tracecompass.lttng2.ust.ui.analysis.callstack;
  15
  16 import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull;
  17
  18 import java.util.Set;
  19
  20 import org.eclipse.jdt.annotation.NonNull;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.eclipse.tracecompass.internal.lttng2.ust.core.callstack.LttngUstCallStackAnalysisRequirement;
  23 import org.eclipse.tracecompass.internal.lttng2.ust.core.callstack.LttngUstCallStackProvider;
  24 import org.eclipse.tracecompass.lttng2.ust.core.trace.LttngUstTrace;
  25 import org.eclipse.tracecompass.lttng2.ust.core.trace.layout.ILttngUstEventLayout;
  26 import org.eclipse.tracecompass.tmf.core.analysis.requirements.TmfAbstractAnalysisRequirement;
  27 import org.eclipse.tracecompass.tmf.core.exceptions.TmfAnalysisException;
  28 import org.eclipse.tracecompass.tmf.core.statesystem.ITmfStateProvider;
  29 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  30 import org.eclipse.tracecompass.tmf.ui.views.callstack.AbstractCallStackAnalysis;
  31
  32 import com.google.common.collect.ImmutableSet;
  33
  34 /**
  35  * Call-stack analysis to populate the TMF CallStack View from UST cyg-profile
  36  * events.
  37  *
  38  * @author Alexandre Montplaisir
  39  * @deprecated This analysis was moved to core as
  40  *             {@link org.eclipse.tracecompass.internal.lttng2.ust.core.callstack.LttngUstCallStackAnalysis}
  41  *             and is now internal
  42  */
  43 @Deprecated
  44 public class LttngUstCallStackAnalysis extends AbstractCallStackAnalysis {
  45
  46     /**
  47      * ID
  48      *
  49      * @since 2.0
  50      */
  51     public static final String ID = "org.eclipse.linuxtools.lttng2.ust.analysis.callstack"; //$NON-NLS-1$
  52
  53     private @Nullable Set<@NonNull TmfAbstractAnalysisRequirement> fAnalysisRequirements = null;
  54
  55     /**
  56      * @since 1.0
  57      */
  58     @Override
  59     public boolean setTrace(ITmfTrace trace) throws TmfAnalysisException {
  60         if (!(trace instanceof LttngUstTrace)) {
  61             return false;
  62         }
  63         return super.setTrace(trace);
  64     }
  65
  66     @Override
  67     protected LttngUstTrace getTrace() {
  68         return (LttngUstTrace) super.getTrace();
  69     }
  70
  71     @Override
  72     protected ITmfStateProvider createStateProvider() {
  73         return new LttngUstCallStackProvider(checkNotNull(getTrace()));
  74     }
  75
  76     @Override
  77     public @NonNull Iterable<@NonNull TmfAbstractAnalysisRequirement> getAnalysisRequirements() {
  78
  79         Set<@NonNull TmfAbstractAnalysisRequirement> requirements = fAnalysisRequirements;
  80         if (requirements == null) {
  81             LttngUstTrace trace = getTrace();
  82             ILttngUstEventLayout layout = ILttngUstEventLayout.DEFAULT_LAYOUT;
  83             if (trace != null) {
  84                 layout = trace.getEventLayout();
  85             }
  86             requirements = ImmutableSet.of(new LttngUstCallStackAnalysisRequirement(layout));
  87             fAnalysisRequirements = requirements;
  88         }
  89         return requirements;
  90     }
  91
  92 }