org.eclipse.linuxtools.lttng2.kernel.ui/src/org/eclipse/linuxtools/internal/lttng2/kernel/ui/views/controlflow/ControlFlowView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 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  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.controlflow;
  14
  15 import java.util.ArrayList;
  16 import java.util.Arrays;
  17 import java.util.List;
  18
  19 import org.eclipse.core.runtime.IProgressMonitor;
  20 import org.eclipse.core.runtime.NullProgressMonitor;
  21 import org.eclipse.jface.action.Action;
  22 import org.eclipse.jface.action.IToolBarManager;
  23 import org.eclipse.jface.action.Separator;
  24 import org.eclipse.jface.viewers.ILabelProviderListener;
  25 import org.eclipse.jface.viewers.ITableLabelProvider;
  26 import org.eclipse.jface.viewers.ITreeContentProvider;
  27 import org.eclipse.jface.viewers.Viewer;
  28 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Messages;
  29 import org.eclipse.linuxtools.lttng2.kernel.core.trace.Attributes;
  30 import org.eclipse.linuxtools.lttng2.kernel.core.trace.CtfKernelTrace;
  31 import org.eclipse.linuxtools.tmf.core.ctfadaptor.CtfTmfTimestamp;
  32 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  33 import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange;
  34 import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
  35 import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;
  36 import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException;
  37 import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException;
  38 import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval;
  39 import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal;
  40 import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal;
  41 import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler;
  42 import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal;
  43 import org.eclipse.linuxtools.tmf.core.statesystem.IStateSystemQuerier;
  44 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  45 import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
  46 import org.eclipse.linuxtools.tmf.ui.views.TmfView;
  47 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphRangeListener;
  48 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphSelectionListener;
  49 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphTimeListener;
  50 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphCombo;
  51 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphRangeUpdateEvent;
  52 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphSelectionEvent;
  53 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphTimeEvent;
  54 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  55 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  56 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent;
  57 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils;
  58 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.Resolution;
  59 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat;
  60 import org.eclipse.swt.SWT;
  61 import org.eclipse.swt.graphics.Image;
  62 import org.eclipse.swt.widgets.Composite;
  63 import org.eclipse.swt.widgets.Display;
  64 import org.eclipse.swt.widgets.TreeColumn;
  65 import org.eclipse.ui.IActionBars;
  66
  67 public class ControlFlowView extends TmfView {
  68
  69     // ------------------------------------------------------------------------
  70     // Constants
  71     // ------------------------------------------------------------------------
  72
  73     /**
  74      * View ID.
  75      */
  76     public static final String ID = "org.eclipse.linuxtools.lttng2.kernel.ui.views.controlflow"; //$NON-NLS-1$
  77
  78     /**
  79      * Initial time range
  80      */
  81     private static final long INITIAL_WINDOW_OFFSET = (1L * 100  * 1000 * 1000); // .1sec
  82
  83     private static final String PROCESS_COLUMN    = Messages.ControlFlowView_processColumn;
  84     private static final String TID_COLUMN        = Messages.ControlFlowView_tidColumn;
  85     private static final String PPID_COLUMN       = Messages.ControlFlowView_ppidColumn;
  86     private static final String BIRTH_TIME_COLUMN = Messages.ControlFlowView_birthTimeColumn;
  87     private static final String TRACE_COLUMN      = Messages.ControlFlowView_traceColumn;
  88
  89     private final String[] COLUMN_NAMES = new String[] {
  90             PROCESS_COLUMN,
  91             TID_COLUMN,
  92             PPID_COLUMN,
  93             BIRTH_TIME_COLUMN,
  94             TRACE_COLUMN
  95     };
  96
  97     // ------------------------------------------------------------------------
  98     // Fields
  99     // ------------------------------------------------------------------------
 100
 101     // The timegraph combo
 102     private TimeGraphCombo fTimeGraphCombo;
 103
 104     // The selected experiment
 105     private TmfExperiment<ITmfEvent> fSelectedExperiment;
 106
 107     // The timegraph entry list
 108     private ArrayList<ControlFlowEntry> fEntryList;
 109
 110     // The start time
 111     private long fStartTime;
 112
 113     // The end time
 114     private long fEndTime;
 115
 116     // The display width
 117     private int fDisplayWidth;
 118
 119     // The zoom thread
 120     private ZoomThread fZoomThread;
 121
 122     // The next resource action
 123     private Action fNextResourceAction;
 124
 125     // The previous resource action
 126     private Action fPreviousResourceAction;
 127
 128     // ------------------------------------------------------------------------
 129     // Classes
 130     // ------------------------------------------------------------------------
 131
 132     private class TreeContentProvider implements ITreeContentProvider {
 133
 134         @Override
 135         public void dispose() {
 136         }
 137
 138         @Override
 139         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 140         }
 141
 142         @Override
 143         public Object[] getElements(Object inputElement) {
 144             return (ITimeGraphEntry[]) inputElement;
 145         }
 146
 147         @Override
 148         public Object[] getChildren(Object parentElement) {
 149             ITimeGraphEntry entry = (ITimeGraphEntry) parentElement;
 150             return entry.getChildren();
 151         }
 152
 153         @Override
 154         public Object getParent(Object element) {
 155             ITimeGraphEntry entry = (ITimeGraphEntry) element;
 156             return entry.getParent();
 157         }
 158
 159         @Override
 160         public boolean hasChildren(Object element) {
 161             ITimeGraphEntry entry = (ITimeGraphEntry) element;
 162             return entry.hasChildren();
 163         }
 164
 165     }
 166
 167     private class TreeLabelProvider implements ITableLabelProvider {
 168
 169         @Override
 170         public void addListener(ILabelProviderListener listener) {
 171         }
 172
 173         @Override
 174         public void dispose() {
 175         }
 176
 177         @Override
 178         public boolean isLabelProperty(Object element, String property) {
 179             return false;
 180         }
 181
 182         @Override
 183         public void removeListener(ILabelProviderListener listener) {
 184         }
 185
 186         @Override
 187         public Image getColumnImage(Object element, int columnIndex) {
 188             return null;
 189         }
 190
 191         @Override
 192         public String getColumnText(Object element, int columnIndex) {
 193             ControlFlowEntry entry = (ControlFlowEntry) element;
 194             if (columnIndex == 0) {
 195                 return entry.getName();
 196             } else if (columnIndex == 1) {
 197                 return Integer.toString(entry.getThreadId());
 198             } else if (columnIndex == 2) {
 199                 if (entry.getPPID() > 0) {
 200                     return Integer.toString(entry.getPPID());
 201                 }
 202             } else if (columnIndex == 3) {
 203                 return Utils.formatTime(entry.getBirthTime(), TimeFormat.ABSOLUTE, Resolution.NANOSEC);
 204             } else if (columnIndex == 4) {
 205                 return entry.getTrace().getName();
 206             }
 207             return ""; //$NON-NLS-1$
 208         }
 209
 210     }
 211
 212     private class ZoomThread extends Thread {
 213         private long fZoomStartTime;
 214         private long fZoomEndTime;
 215         private long fResolution;
 216         private IProgressMonitor fMonitor;
 217
 218         public ZoomThread(long startTime, long endTime) {
 219             super("ControlFlowView zoom"); //$NON-NLS-1$
 220             fZoomStartTime = startTime;
 221             fZoomEndTime = endTime;
 222             fResolution = Math.max(1, (fZoomEndTime - fZoomStartTime) / fDisplayWidth);
 223             fMonitor = new NullProgressMonitor();
 224         }
 225
 226         @Override
 227         public void run() {
 228             if (fEntryList == null) {
 229                 return;
 230             }
 231             for (ControlFlowEntry entry : fEntryList) {
 232                 if (fMonitor.isCanceled()) {
 233                     return;
 234                 }
 235                 zoom(entry, fMonitor);
 236             }
 237             redraw();
 238         }
 239
 240         private void zoom(ControlFlowEntry entry, IProgressMonitor monitor) {
 241             List<ITimeEvent> zoomedEventList = getEventList(entry, fZoomStartTime, fZoomEndTime, fResolution, monitor);
 242             if (fMonitor.isCanceled()) {
 243                 return;
 244             }
 245             entry.setZoomedEventList(zoomedEventList);
 246             for (ControlFlowEntry child : entry.getChildren()) {
 247                 if (fMonitor.isCanceled()) {
 248                     return;
 249                 }
 250                 zoom(child, monitor);
 251             }
 252         }
 253
 254         public void cancel() {
 255             fMonitor.setCanceled(true);
 256         }
 257     }
 258
 259     // ------------------------------------------------------------------------
 260     // Constructors
 261     // ------------------------------------------------------------------------
 262
 263     public ControlFlowView() {
 264         super(ID);
 265         fDisplayWidth = Display.getDefault().getBounds().width;
 266     }
 267
 268     // ------------------------------------------------------------------------
 269     // ViewPart
 270     // ------------------------------------------------------------------------
 271
 272     /* (non-Javadoc)
 273      * @see org.eclipse.linuxtools.tmf.ui.views.TmfView#createPartControl(org.eclipse.swt.widgets.Composite)
 274      */
 275     @Override
 276     public void createPartControl(Composite parent) {
 277         fTimeGraphCombo = new TimeGraphCombo(parent, SWT.NONE);
 278
 279         fTimeGraphCombo.setTreeContentProvider(new TreeContentProvider());
 280
 281         fTimeGraphCombo.setTreeLabelProvider(new TreeLabelProvider());
 282
 283         fTimeGraphCombo.setTimeGraphProvider(new ControlFlowPresentationProvider());
 284
 285         fTimeGraphCombo.setTreeColumns(COLUMN_NAMES);
 286
 287         fTimeGraphCombo.getTimeGraphViewer().addRangeListener(new ITimeGraphRangeListener() {
 288             @Override
 289             public void timeRangeUpdated(TimeGraphRangeUpdateEvent event) {
 290                 final long startTime = event.getStartTime();
 291                 final long endTime = event.getEndTime();
 292                 TmfTimeRange range = new TmfTimeRange(new CtfTmfTimestamp(startTime), new CtfTmfTimestamp(endTime));
 293                 TmfTimestamp time = new CtfTmfTimestamp(fTimeGraphCombo.getTimeGraphViewer().getSelectedTime());
 294                 broadcast(new TmfRangeSynchSignal(ControlFlowView.this, range, time));
 295                 if (fZoomThread != null) {
 296                     fZoomThread.cancel();
 297                 }
 298                 startZoomThread(startTime, endTime);
 299             }
 300         });
 301
 302         fTimeGraphCombo.getTimeGraphViewer().addTimeListener(new ITimeGraphTimeListener() {
 303             @Override
 304             public void timeSelected(TimeGraphTimeEvent event) {
 305                 long time = event.getTime();
 306                 broadcast(new TmfTimeSynchSignal(ControlFlowView.this, new CtfTmfTimestamp(time)));
 307             }
 308         });
 309
 310         fTimeGraphCombo.addSelectionListener(new ITimeGraphSelectionListener() {
 311             @Override
 312             public void selectionChanged(TimeGraphSelectionEvent event) {
 313                 //ITimeGraphEntry selection = event.getSelection();
 314             }
 315         });
 316
 317         fTimeGraphCombo.getTimeGraphViewer().setTimeCalendarFormat(true);
 318
 319         final Thread thread = new Thread("ControlFlowView build") { //$NON-NLS-1$
 320             @Override
 321             public void run() {
 322                 if (TmfExperiment.getCurrentExperiment() != null) {
 323                     selectExperiment(TmfExperiment.getCurrentExperiment());
 324                 }
 325             }
 326         };
 327         thread.start();
 328
 329         // View Action Handling
 330         makeActions();
 331         contributeToActionBars();
 332     }
 333
 334     /* (non-Javadoc)
 335      * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
 336      */
 337     @Override
 338     public void setFocus() {
 339         fTimeGraphCombo.setFocus();
 340     }
 341
 342     // ------------------------------------------------------------------------
 343     // Signal handlers
 344     // ------------------------------------------------------------------------
 345
 346     @TmfSignalHandler
 347     public void experimentSelected(final TmfExperimentSelectedSignal<? extends ITmfEvent> signal) {
 348         if (signal.getExperiment().equals(fSelectedExperiment)) {
 349             return;
 350         }
 351
 352         final Thread thread = new Thread("ControlFlowView build") { //$NON-NLS-1$
 353             @Override
 354             public void run() {
 355                 selectExperiment(signal.getExperiment());
 356             }
 357         };
 358         thread.start();
 359     }
 360
 361     @TmfSignalHandler
 362     public void synchToTime(final TmfTimeSynchSignal signal) {
 363         if (signal.getSource() == this) {
 364             return;
 365         }
 366         final long time = signal.getCurrentTime().normalize(0, -9).getValue();
 367
 368         int thread = -1;
 369         for (ITmfTrace<?> trace : fSelectedExperiment.getTraces()) {
 370             if (thread > 0) {
 371                 break;
 372             }
 373             if (trace instanceof CtfKernelTrace) {
 374                 CtfKernelTrace ctfKernelTrace = (CtfKernelTrace) trace;
 375                 IStateSystemQuerier ssq = ctfKernelTrace.getStateSystem();
 376                 if (time >= ssq.getStartTime() && time <= ssq.getCurrentEndTime()) {
 377                     List<Integer> currentThreadQuarks = ssq.getQuarks(Attributes.CPUS, "*", Attributes.CURRENT_THREAD);  //$NON-NLS-1$
 378                     for (int currentThreadQuark : currentThreadQuarks) {
 379                         try {
 380                             ITmfStateInterval currentThreadInterval = ssq.querySingleState(time, currentThreadQuark);
 381                             int currentThread = currentThreadInterval.getStateValue().unboxInt();
 382                             if (currentThread > 0) {
 383                                 int statusQuark = ssq.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThread), Attributes.STATUS);
 384                                 ITmfStateInterval statusInterval = ssq.querySingleState(time, statusQuark);
 385                                 if (statusInterval.getStartTime() == time) {
 386                                     thread = currentThread;
 387                                     break;
 388                                 }
 389                             }
 390                         } catch (AttributeNotFoundException e) {
 391                             e.printStackTrace();
 392                         } catch (TimeRangeException e) {
 393                             e.printStackTrace();
 394                         } catch (StateValueTypeException e) {
 395                             e.printStackTrace();
 396                         }
 397                     }
 398                 }
 399             }
 400         }
 401         final int selectedThread = thread;
 402
 403         Display.getDefault().asyncExec(new Runnable() {
 404             @Override
 405             public void run() {
 406                 if (fTimeGraphCombo.isDisposed()) {
 407                     return;
 408                 }
 409                 fTimeGraphCombo.getTimeGraphViewer().setSelectedTime(time, true);
 410                 startZoomThread(fTimeGraphCombo.getTimeGraphViewer().getTime0(), fTimeGraphCombo.getTimeGraphViewer().getTime1());
 411
 412                 if (selectedThread > 0) {
 413                     for (Object element : fTimeGraphCombo.getTimeGraphViewer().getExpandedElements()) {
 414                         if (element instanceof ControlFlowEntry) {
 415                             ControlFlowEntry entry = (ControlFlowEntry) element;
 416                             if (entry.getThreadId() == selectedThread) {
 417                                 fTimeGraphCombo.setSelection(entry);
 418                             }
 419                         }
 420                     }
 421                 }
 422             }
 423         });
 424     }
 425
 426     @TmfSignalHandler
 427     public void synchToRange(final TmfRangeSynchSignal signal) {
 428         if (signal.getSource() == this) {
 429             return;
 430         }
 431         final long startTime = signal.getCurrentRange().getStartTime().normalize(0, -9).getValue();
 432         final long endTime = signal.getCurrentRange().getEndTime().normalize(0, -9).getValue();
 433         final long time = signal.getCurrentTime().normalize(0, -9).getValue();
 434         Display.getDefault().asyncExec(new Runnable() {
 435             @Override
 436             public void run() {
 437                 if (fTimeGraphCombo.isDisposed()) {
 438                     return;
 439                 }
 440                 fTimeGraphCombo.getTimeGraphViewer().setStartFinishTime(startTime, endTime);
 441                 fTimeGraphCombo.getTimeGraphViewer().setSelectedTime(time, false);
 442                 startZoomThread(startTime, endTime);
 443             }
 444         });
 445     }
 446
 447     // ------------------------------------------------------------------------
 448     // Internal
 449     // ------------------------------------------------------------------------
 450
 451     @SuppressWarnings("unchecked")
 452     private void selectExperiment(TmfExperiment<?> experiment) {
 453         fStartTime = Long.MAX_VALUE;
 454         fEndTime = Long.MIN_VALUE;
 455         fSelectedExperiment = (TmfExperiment<ITmfEvent>) experiment;
 456         fEntryList = new ArrayList<ControlFlowEntry>();
 457         for (ITmfTrace<?> trace : experiment.getTraces()) {
 458             if (trace instanceof CtfKernelTrace) {
 459                 CtfKernelTrace ctfKernelTrace = (CtfKernelTrace) trace;
 460                 IStateSystemQuerier ssq = ctfKernelTrace.getStateSystem();
 461                 long start = ssq.getStartTime();
 462                 long end = ssq.getCurrentEndTime();
 463                 fStartTime = Math.min(fStartTime, start);
 464                 fEndTime = Math.max(fEndTime, end);
 465                 List<Integer> threadQuarks = ssq.getQuarks(Attributes.THREADS, "*"); //$NON-NLS-1$
 466                 for (int threadQuark : threadQuarks) {
 467                     String threadName = ssq.getAttributeName(threadQuark);
 468                     int threadId = -1;
 469                     try {
 470                         threadId = Integer.parseInt(threadName);
 471                     } catch (NumberFormatException e1) {
 472                         continue;
 473                     }
 474                     if (threadId == 0) { // ignore the swapper thread
 475                         continue;
 476                     }
 477                     int execNameQuark = -1;
 478                     try {
 479                         try {
 480                             execNameQuark = ssq.getQuarkRelative(threadQuark, Attributes.EXEC_NAME);
 481                         } catch (AttributeNotFoundException e) {
 482                             continue;
 483                         }
 484                         int ppidQuark = ssq.getQuarkRelative(threadQuark, Attributes.PPID);
 485                         List<ITmfStateInterval> execNameIntervals = ssq.queryHistoryRange(execNameQuark, start, end);
 486                         long birthTime = -1;
 487                         for (ITmfStateInterval execNameInterval : execNameIntervals) {
 488                             if (!execNameInterval.getStateValue().isNull() && execNameInterval.getStateValue().getType() == 1) {
 489                                 String execName = execNameInterval.getStateValue().unboxStr();
 490                                 long startTime = execNameInterval.getStartTime();
 491                                 long endTime = execNameInterval.getEndTime() + 1;
 492                                 if (birthTime == -1) {
 493                                     birthTime = startTime;
 494                                 }
 495                                 int ppid = -1;
 496                                 if (ppidQuark != -1) {
 497                                     ITmfStateInterval ppidInterval = ssq.querySingleState(startTime, ppidQuark);
 498                                     ppid = ppidInterval.getStateValue().unboxInt();
 499                                 }
 500                                 ControlFlowEntry entry = new ControlFlowEntry(threadQuark, ctfKernelTrace, execName, threadId, ppid, birthTime, startTime, endTime);
 501                                 fEntryList.add(entry);
 502                                 entry.addEvent(new TimeEvent(entry, startTime, endTime - startTime));
 503                             } else {
 504                                 birthTime = -1;
 505                             }
 506                         }
 507                     } catch (AttributeNotFoundException e) {
 508                         e.printStackTrace();
 509                     } catch (TimeRangeException e) {
 510                         e.printStackTrace();
 511                     } catch (StateValueTypeException e) {
 512                         e.printStackTrace();
 513                     }
 514                 }
 515             }
 516             buildTree();
 517             refresh(INITIAL_WINDOW_OFFSET);
 518             ControlFlowEntry[] entries = fEntryList.toArray(new ControlFlowEntry[0]);
 519             Arrays.sort(entries);
 520             for (ControlFlowEntry entry : entries) {
 521                 buildStatusEvents(entry);
 522             }
 523         }
 524     }
 525
 526     private void buildTree() {
 527         ArrayList<ControlFlowEntry> rootList = new ArrayList<ControlFlowEntry>();
 528         for (ControlFlowEntry entry : fEntryList) {
 529             boolean root = true;
 530             if (entry.getPPID() > 0) {
 531                 for (ControlFlowEntry parent : fEntryList) {
 532                     if (parent.getThreadId() == entry.getPPID() &&
 533                             entry.getStartTime() >= parent.getStartTime() &&
 534                             entry.getStartTime() <= parent.getEndTime()) {
 535                         parent.addChild(entry);
 536                         root = false;
 537                         break;
 538                     }
 539                 }
 540             }
 541             if (root) {
 542                 rootList.add(entry);
 543             }
 544         }
 545         fEntryList = rootList;
 546     }
 547
 548     private void buildStatusEvents(ControlFlowEntry entry) {
 549         IStateSystemQuerier ssq = entry.getTrace().getStateSystem();
 550         long start = ssq.getStartTime();
 551         long end = ssq.getCurrentEndTime();
 552         long resolution = Math.max(1, (end - start) / fDisplayWidth);
 553         List<ITimeEvent> eventList = getEventList(entry, entry.getStartTime(), entry.getEndTime(), resolution, new NullProgressMonitor());
 554         entry.setEventList(eventList);
 555         redraw();
 556         for (ITimeGraphEntry child : entry.getChildren()) {
 557             buildStatusEvents((ControlFlowEntry) child);
 558         }
 559     }
 560
 561     private List<ITimeEvent> getEventList(ControlFlowEntry entry, long startTime, long endTime, long resolution, IProgressMonitor monitor) {
 562         startTime = Math.max(startTime, entry.getStartTime());
 563         endTime = Math.min(endTime, entry.getEndTime());
 564         if (endTime <= startTime) {
 565             return null;
 566         }
 567         IStateSystemQuerier ssq = entry.getTrace().getStateSystem();
 568         List<ITimeEvent> eventList = null;
 569         try {
 570             int statusQuark = ssq.getQuarkRelative(entry.getThreadQuark(), Attributes.STATUS);
 571             List<ITmfStateInterval> statusIntervals = ssq.queryHistoryRange(statusQuark, startTime, endTime - 1, resolution);
 572             eventList = new ArrayList<ITimeEvent>(statusIntervals.size());
 573             long lastEndTime = -1;
 574             for (ITmfStateInterval statusInterval : statusIntervals) {
 575                 if (monitor.isCanceled()) {
 576                     return null;
 577                 }
 578                 long time = statusInterval.getStartTime();
 579                 long duration = statusInterval.getEndTime() - time + 1;
 580                 int status = -1;
 581                 try {
 582                     status = statusInterval.getStateValue().unboxInt();
 583                 } catch (StateValueTypeException e) {
 584                     e.printStackTrace();
 585                 }
 586                 if (lastEndTime != time && lastEndTime != -1) {
 587                     eventList.add(new ControlFlowEvent(entry, lastEndTime, time - lastEndTime, 0));
 588                 }
 589                 eventList.add(new ControlFlowEvent(entry, time, duration, status));
 590                 lastEndTime = time + duration;
 591             }
 592         } catch (AttributeNotFoundException e) {
 593             e.printStackTrace();
 594         } catch (TimeRangeException e) {
 595             e.printStackTrace();
 596         }
 597         return eventList;
 598     }
 599
 600     private void refresh(final long windowRange) {
 601         Display.getDefault().asyncExec(new Runnable() {
 602             @Override
 603             public void run() {
 604                 if (fTimeGraphCombo.isDisposed()) {
 605                     return;
 606                 }
 607                 ITimeGraphEntry[] entries = fEntryList.toArray(new ITimeGraphEntry[0]);
 608                 Arrays.sort(entries);
 609                 fTimeGraphCombo.setInput(entries);
 610                 fTimeGraphCombo.getTimeGraphViewer().setTimeBounds(fStartTime, fEndTime);
 611
 612                 long endTime = fStartTime + windowRange;
 613
 614                 if (fEndTime < endTime) {
 615                     endTime = fEndTime;
 616                 }
 617                 fTimeGraphCombo.getTimeGraphViewer().setStartFinishTime(fStartTime, endTime);
 618                 for (TreeColumn column : fTimeGraphCombo.getTreeViewer().getTree().getColumns()) {
 619                     column.pack();
 620                 }
 621
 622                 startZoomThread(fStartTime, endTime);
 623             }
 624         });
 625     }
 626
 627     private void redraw() {
 628         Display.getDefault().asyncExec(new Runnable() {
 629             @Override
 630             public void run() {
 631                 if (fTimeGraphCombo.isDisposed()) {
 632                     return;
 633                 }
 634                 fTimeGraphCombo.redraw();
 635                 fTimeGraphCombo.update();
 636             }
 637         });
 638     }
 639
 640     private void startZoomThread(long startTime, long endTime) {
 641         if (fZoomThread != null) {
 642             fZoomThread.cancel();
 643         }
 644         fZoomThread = new ZoomThread(startTime, endTime);
 645         fZoomThread.start();
 646     }
 647
 648     private void makeActions() {
 649         fPreviousResourceAction = fTimeGraphCombo.getTimeGraphViewer().getPreviousItemAction();
 650         fPreviousResourceAction.setText(Messages.ControlFlowView_previousProcessActionNameText);
 651         fPreviousResourceAction.setToolTipText(Messages.ControlFlowView_previousProcessActionToolTipText);
 652         fNextResourceAction = fTimeGraphCombo.getTimeGraphViewer().getNextItemAction();
 653         fNextResourceAction.setText(Messages.ControlFlowView_nextProcessActionNameText);
 654         fNextResourceAction.setToolTipText(Messages.ControlFlowView_nextProcessActionToolTipText);
 655     }
 656
 657     private void contributeToActionBars() {
 658         IActionBars bars = getViewSite().getActionBars();
 659         fillLocalToolBar(bars.getToolBarManager());
 660     }
 661
 662     private void fillLocalToolBar(IToolBarManager manager) {
 663         manager.add(fTimeGraphCombo.getTimeGraphViewer().getShowLegendAction());
 664         manager.add(new Separator());
 665         manager.add(fTimeGraphCombo.getTimeGraphViewer().getResetScaleAction());
 666         manager.add(fTimeGraphCombo.getTimeGraphViewer().getPreviousEventAction());
 667         manager.add(fTimeGraphCombo.getTimeGraphViewer().getNextEventAction());
 668         manager.add(fPreviousResourceAction);
 669         manager.add(fNextResourceAction);
 670         manager.add(fTimeGraphCombo.getTimeGraphViewer().getZoomInAction());
 671         manager.add(fTimeGraphCombo.getTimeGraphViewer().getZoomOutAction());
 672         manager.add(new Separator());
 673     }
 674 }