lttng/org.eclipse.tracecompass.lttng2.kernel.core/src/org/eclipse/tracecompass/internal/lttng2/kernel/core/analysis/graph/model/LttngInterruptContext.java

   1 /*******************************************************************************
   2  * Copyright (c) 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
  10 package org.eclipse.tracecompass.internal.lttng2.kernel.core.analysis.graph.model;
  11
  12 import org.eclipse.tracecompass.internal.lttng2.kernel.core.analysis.graph.building.LttngKernelExecGraphProvider.Context;
  13 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  14 import org.eclipse.tracecompass.tmf.core.event.TmfEvent;
  15 import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp;
  16 import org.eclipse.tracecompass.tmf.core.trace.ITmfContext;
  17
  18 /**
  19  * A class representing an interrupt context in the kernel. It associates the
  20  * reason of the context with an event.
  21  *
  22  * @author Francis Giraldeau
  23  * @author Geneviève Bastien
  24  */
  25 public class LttngInterruptContext {
  26
  27     /**
  28      * The default context when none is defined
  29      */
  30     public static final LttngInterruptContext DEFAULT_CONTEXT = new LttngInterruptContext(new TmfEvent(null, ITmfContext.UNKNOWN_RANK, TmfTimestamp.BIG_BANG, null, null), Context.NONE);
  31
  32     private final ITmfEvent fEvent;
  33     private final Context fContext;
  34
  35     /**
  36      * Constructor
  37      *
  38      * @param event
  39      *            The event representing the start of this interrupt context
  40      * @param ctx
  41      *            The context type
  42      */
  43     public LttngInterruptContext(ITmfEvent event, Context ctx) {
  44         fEvent = event;
  45         fContext = ctx;
  46     }
  47
  48     /**
  49      * The event associated with this interrupt context
  50      *
  51      * @return The event marking the entry in this interrupt context
  52      */
  53     public ITmfEvent getEvent() {
  54         return fEvent;
  55     }
  56
  57     /**
  58      * Get the type of interrupt context this context represents
  59      *
  60      * @return The type of interrupt context
  61      */
  62     public Context getContext() {
  63         return fContext;
  64     }
  65
  66 }