lttng/org.eclipse.tracecompass.lttng2.kernel.core/src/org/eclipse/tracecompass/internal/lttng2/kernel/core/analysis/graph/building/LttngKernelExecutionGraph.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.building;
  11
  12 import org.eclipse.tracecompass.analysis.graph.core.building.ITmfGraphProvider;
  13 import org.eclipse.tracecompass.analysis.graph.core.building.TmfGraphBuilderModule;
  14 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  15
  16 /**
  17  * Graph building module for the lttng kernel execution graph
  18  *
  19  * @author Francis Giraldeau
  20  * @author Geneviève Bastien
  21  */
  22 public class LttngKernelExecutionGraph extends TmfGraphBuilderModule {
  23
  24     /**
  25      * Analysis id of this module
  26      */
  27     public static final String ANALYSIS_ID = "org.eclipse.tracecompass.lttng2.kernel.core.execgraph"; //$NON-NLS-1$
  28
  29     @Override
  30     public boolean canExecute(ITmfTrace trace) {
  31         /**
  32          * TODO: Trace must have at least sched_switches and sched_wakeups
  33          * enabled
  34          */
  35         return true;
  36     }
  37
  38     @Override
  39     protected ITmfGraphProvider getGraphProvider() {
  40         ITmfTrace trace = getTrace();
  41         if (trace == null) {
  42             throw new NullPointerException();
  43         }
  44         return new LttngKernelExecGraphProvider(trace);
  45     }
  46
  47     @Override
  48     protected String getFullHelpText() {
  49         return super.getFullHelpText();
  50     }
  51
  52     @Override
  53     protected String getShortHelpText(ITmfTrace trace) {
  54         return super.getShortHelpText(trace);
  55     }
  56
  57     @Override
  58     protected String getTraceCannotExecuteHelpText(ITmfTrace trace) {
  59         return "The trace must have events 'sched_switch' and 'sched_wakeup' enabled"; //$NON-NLS-1$
  60     }
  61
  62 }