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.Collections;
  18 import java.util.Comparator;
  19 import java.util.HashMap;
  20 import java.util.List;
  21
  22 import org.eclipse.core.runtime.IProgressMonitor;
  23 import org.eclipse.core.runtime.NullProgressMonitor;
  24 import org.eclipse.jface.action.Action;
  25 import org.eclipse.jface.action.IToolBarManager;
  26 import org.eclipse.jface.action.Separator;
  27 import org.eclipse.jface.viewers.ILabelProviderListener;
  28 import org.eclipse.jface.viewers.ITableLabelProvider;
  29 import org.eclipse.jface.viewers.ITreeContentProvider;
  30 import org.eclipse.jface.viewers.Viewer;
  31 import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes;
  32 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Messages;
  33 import org.eclipse.linuxtools.lttng2.kernel.core.trace.CtfKernelTrace;
  34 import org.eclipse.linuxtools.tmf.core.ctfadaptor.CtfTmfTimestamp;
  35 import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp;
  36 import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange;
  37 import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
  38 import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;
  39 import org.eclipse.linuxtools.tmf.core.exceptions.StateSystemDisposedException;
  40 import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException;
  41 import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException;
  42 import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval;
  43 import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal;
  44 import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler;
  45 import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal;
  46 import org.eclipse.linuxtools.tmf.core.signal.TmfTraceClosedSignal;
  47 import org.eclipse.linuxtools.tmf.core.signal.TmfTraceSelectedSignal;
  48 import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
  49 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  50 import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
  51 import org.eclipse.linuxtools.tmf.ui.editors.ITmfTraceEditor;
  52 import org.eclipse.linuxtools.tmf.ui.views.TmfView;
  53 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphRangeListener;
  54 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphSelectionListener;
  55 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphTimeListener;
  56 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphCombo;
  57 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphRangeUpdateEvent;
  58 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphSelectionEvent;
  59 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphTimeEvent;
  60 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  61 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  62 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent;
  63 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils;
  64 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.Resolution;
  65 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat;
  66 import org.eclipse.swt.SWT;
  67 import org.eclipse.swt.graphics.Image;
  68 import org.eclipse.swt.widgets.Composite;
  69 import org.eclipse.swt.widgets.Display;
  70 import org.eclipse.swt.widgets.TreeColumn;
  71 import org.eclipse.ui.IActionBars;
  72 import org.eclipse.ui.IEditorPart;
  73
  74 /**
  75  * The Control Flow view main object
  76  *
  77  */
  78 public class ControlFlowView extends TmfView {
  79
  80     // ------------------------------------------------------------------------
  81     // Constants
  82     // ------------------------------------------------------------------------
  83
  84     /**
  85      * View ID.
  86      */
  87     public static final String ID = "org.eclipse.linuxtools.lttng2.kernel.ui.views.controlflow"; //$NON-NLS-1$
  88
  89     private static final String PROCESS_COLUMN    = Messages.ControlFlowView_processColumn;
  90     private static final String TID_COLUMN        = Messages.ControlFlowView_tidColumn;
  91     private static final String PTID_COLUMN       = Messages.ControlFlowView_ptidColumn;
  92     private static final String BIRTH_TIME_COLUMN = Messages.ControlFlowView_birthTimeColumn;
  93     private static final String TRACE_COLUMN      = Messages.ControlFlowView_traceColumn;
  94
  95     private final String[] COLUMN_NAMES = new String[] {
  96             PROCESS_COLUMN,
  97             TID_COLUMN,
  98             PTID_COLUMN,
  99             BIRTH_TIME_COLUMN,
 100             TRACE_COLUMN
 101     };
 102
 103     /**
 104      * Redraw state enum
 105      */
 106     private enum State { IDLE, BUSY, PENDING }
 107
 108     // ------------------------------------------------------------------------
 109     // Fields
 110     // ------------------------------------------------------------------------
 111
 112     // The timegraph combo
 113     private TimeGraphCombo fTimeGraphCombo;
 114
 115     // The selected trace
 116     private ITmfTrace fTrace;
 117
 118     // The timegraph entry list
 119     private ArrayList<ControlFlowEntry> fEntryList;
 120
 121     // The trace to entry list hash map
 122     final private HashMap<ITmfTrace, ArrayList<ControlFlowEntry>> fEntryListMap = new HashMap<ITmfTrace, ArrayList<ControlFlowEntry>>();
 123
 124     // The trace to build thread hash map
 125     final private HashMap<ITmfTrace, BuildThread> fBuildThreadMap = new HashMap<ITmfTrace, BuildThread>();
 126
 127     // The start time
 128     private long fStartTime;
 129
 130     // The end time
 131     private long fEndTime;
 132
 133     // The display width
 134     private final int fDisplayWidth;
 135
 136     // The zoom thread
 137     private ZoomThread fZoomThread;
 138
 139     // The next resource action
 140     private Action fNextResourceAction;
 141
 142     // The previous resource action
 143     private Action fPreviousResourceAction;
 144
 145     // A comparator class
 146     private final ControlFlowEntryComparator fControlFlowEntryComparator = new ControlFlowEntryComparator();
 147
 148     // The redraw state used to prevent unnecessary queuing of display runnables
 149     private State fRedrawState = State.IDLE;
 150
 151     // The redraw synchronization object
 152     final private Object fSyncObj = new Object();
 153
 154     // ------------------------------------------------------------------------
 155     // Classes
 156     // ------------------------------------------------------------------------
 157
 158     private class TreeContentProvider implements ITreeContentProvider {
 159
 160         @Override
 161         public void dispose() {
 162         }
 163
 164         @Override
 165         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 166         }
 167
 168         @Override
 169         public Object[] getElements(Object inputElement) {
 170             return (ITimeGraphEntry[]) inputElement;
 171         }
 172
 173         @Override
 174         public Object[] getChildren(Object parentElement) {
 175             ITimeGraphEntry entry = (ITimeGraphEntry) parentElement;
 176             List<? extends ITimeGraphEntry> children = entry.getChildren();
 177             return children.toArray(new ITimeGraphEntry[children.size()]);
 178         }
 179
 180         @Override
 181         public Object getParent(Object element) {
 182             ITimeGraphEntry entry = (ITimeGraphEntry) element;
 183             return entry.getParent();
 184         }
 185
 186         @Override
 187         public boolean hasChildren(Object element) {
 188             ITimeGraphEntry entry = (ITimeGraphEntry) element;
 189             return entry.hasChildren();
 190         }
 191
 192     }
 193
 194     private class TreeLabelProvider implements ITableLabelProvider {
 195
 196         @Override
 197         public void addListener(ILabelProviderListener listener) {
 198         }
 199
 200         @Override
 201         public void dispose() {
 202         }
 203
 204         @Override
 205         public boolean isLabelProperty(Object element, String property) {
 206             return false;
 207         }
 208
 209         @Override
 210         public void removeListener(ILabelProviderListener listener) {
 211         }
 212
 213         @Override
 214         public Image getColumnImage(Object element, int columnIndex) {
 215             return null;
 216         }
 217
 218         @Override
 219         public String getColumnText(Object element, int columnIndex) {
 220             ControlFlowEntry entry = (ControlFlowEntry) element;
 221             if (columnIndex == 0) {
 222                 return entry.getName();
 223             } else if (columnIndex == 1) {
 224                 return Integer.toString(entry.getThreadId());
 225             } else if (columnIndex == 2) {
 226                 if (entry.getParentThreadId() > 0) {
 227                     return Integer.toString(entry.getParentThreadId());
 228                 }
 229             } else if (columnIndex == 3) {
 230                 return Utils.formatTime(entry.getBirthTime(), TimeFormat.ABSOLUTE, Resolution.NANOSEC);
 231             } else if (columnIndex == 4) {
 232                 return entry.getTrace().getName();
 233             }
 234             return ""; //$NON-NLS-1$
 235         }
 236
 237     }
 238
 239     private static class ControlFlowEntryComparator implements Comparator<ITimeGraphEntry> {
 240
 241         @Override
 242         public int compare(ITimeGraphEntry o1, ITimeGraphEntry o2) {
 243             int result = 0;
 244
 245             if ((o1 instanceof ControlFlowEntry) && (o2 instanceof ControlFlowEntry)) {
 246                 ControlFlowEntry entry1 = (ControlFlowEntry) o1;
 247                 ControlFlowEntry entry2 = (ControlFlowEntry) o2;
 248                 result = entry1.getTrace().getStartTime().compareTo(entry2.getTrace().getStartTime());
 249                 if (result == 0) {
 250                     result = entry1.getTrace().getName().compareTo(entry2.getTrace().getName());
 251                 }
 252                 if (result == 0) {
 253                     result = entry1.getThreadId() < entry2.getThreadId() ? -1 : entry1.getThreadId() > entry2.getThreadId() ? 1 : 0;
 254                 }
 255             }
 256
 257             if (result == 0) {
 258                 result = o1.getStartTime() < o2.getStartTime() ? -1 : o1.getStartTime() > o2.getStartTime() ? 1 : 0;
 259             }
 260
 261             return result;
 262         }
 263     }
 264
 265     private class BuildThread extends Thread {
 266         private final ITmfTrace fBuildTrace;
 267         private final IProgressMonitor fMonitor;
 268
 269         public BuildThread(ITmfTrace trace) {
 270             super("ControlFlowView build"); //$NON-NLS-1$
 271             fBuildTrace = trace;
 272             fMonitor = new NullProgressMonitor();
 273         }
 274
 275         @Override
 276         public void run() {
 277             buildEventList(fBuildTrace, fMonitor);
 278             synchronized (fBuildThreadMap) {
 279                 fBuildThreadMap.remove(this);
 280             }
 281         }
 282
 283         public void cancel() {
 284             fMonitor.setCanceled(true);
 285         }
 286     }
 287
 288     private class ZoomThread extends Thread {
 289         private final ArrayList<ControlFlowEntry> fZoomEntryList;
 290         private final long fZoomStartTime;
 291         private final long fZoomEndTime;
 292         private final long fResolution;
 293         private final IProgressMonitor fMonitor;
 294
 295         public ZoomThread(ArrayList<ControlFlowEntry> entryList, long startTime, long endTime) {
 296             super("ControlFlowView zoom"); //$NON-NLS-1$
 297             fZoomEntryList = entryList;
 298             fZoomStartTime = startTime;
 299             fZoomEndTime = endTime;
 300             fResolution = Math.max(1, (fZoomEndTime - fZoomStartTime) / fDisplayWidth);
 301             fMonitor = new NullProgressMonitor();
 302         }
 303
 304         @Override
 305         public void run() {
 306             if (fZoomEntryList == null) {
 307                 return;
 308             }
 309             for (ControlFlowEntry entry : fZoomEntryList) {
 310                 if (fMonitor.isCanceled()) {
 311                     break;
 312                 }
 313                 zoom(entry, fMonitor);
 314             }
 315         }
 316
 317         private void zoom(ControlFlowEntry entry, IProgressMonitor monitor) {
 318             if (fZoomStartTime <= fStartTime && fZoomEndTime >= fEndTime) {
 319                 entry.setZoomedEventList(null);
 320             } else {
 321                 List<ITimeEvent> zoomedEventList = getEventList(entry, fZoomStartTime, fZoomEndTime, fResolution, monitor);
 322                 if (zoomedEventList != null) {
 323                     entry.setZoomedEventList(zoomedEventList);
 324                 }
 325             }
 326             redraw();
 327             for (ControlFlowEntry child : entry.getChildren()) {
 328                 if (fMonitor.isCanceled()) {
 329                     return;
 330                 }
 331                 zoom(child, monitor);
 332             }
 333         }
 334
 335         public void cancel() {
 336             fMonitor.setCanceled(true);
 337         }
 338     }
 339
 340     // ------------------------------------------------------------------------
 341     // Constructors
 342     // ------------------------------------------------------------------------
 343
 344     /**
 345      * Constructor
 346      */
 347     public ControlFlowView() {
 348         super(ID);
 349         fDisplayWidth = Display.getDefault().getBounds().width;
 350     }
 351
 352     // ------------------------------------------------------------------------
 353     // ViewPart
 354     // ------------------------------------------------------------------------
 355
 356     /* (non-Javadoc)
 357      * @see org.eclipse.linuxtools.tmf.ui.views.TmfView#createPartControl(org.eclipse.swt.widgets.Composite)
 358      */
 359     @Override
 360     public void createPartControl(Composite parent) {
 361         fTimeGraphCombo = new TimeGraphCombo(parent, SWT.NONE);
 362
 363         fTimeGraphCombo.setTreeContentProvider(new TreeContentProvider());
 364
 365         fTimeGraphCombo.setTreeLabelProvider(new TreeLabelProvider());
 366
 367         fTimeGraphCombo.setTimeGraphProvider(new ControlFlowPresentationProvider());
 368
 369         fTimeGraphCombo.setTreeColumns(COLUMN_NAMES);
 370
 371         fTimeGraphCombo.getTimeGraphViewer().addRangeListener(new ITimeGraphRangeListener() {
 372             @Override
 373             public void timeRangeUpdated(TimeGraphRangeUpdateEvent event) {
 374                 final long startTime = event.getStartTime();
 375                 final long endTime = event.getEndTime();
 376                 TmfTimeRange range = new TmfTimeRange(new CtfTmfTimestamp(startTime), new CtfTmfTimestamp(endTime));
 377                 TmfTimestamp time = new CtfTmfTimestamp(fTimeGraphCombo.getTimeGraphViewer().getSelectedTime());
 378                 broadcast(new TmfRangeSynchSignal(ControlFlowView.this, range, time));
 379                 if (fZoomThread != null) {
 380                     fZoomThread.cancel();
 381                 }
 382                 startZoomThread(startTime, endTime);
 383             }
 384         });
 385
 386         fTimeGraphCombo.getTimeGraphViewer().addTimeListener(new ITimeGraphTimeListener() {
 387             @Override
 388             public void timeSelected(TimeGraphTimeEvent event) {
 389                 long time = event.getTime();
 390                 broadcast(new TmfTimeSynchSignal(ControlFlowView.this, new CtfTmfTimestamp(time)));
 391             }
 392         });
 393
 394         fTimeGraphCombo.addSelectionListener(new ITimeGraphSelectionListener() {
 395             @Override
 396             public void selectionChanged(TimeGraphSelectionEvent event) {
 397                 //ITimeGraphEntry selection = event.getSelection();
 398             }
 399         });
 400
 401         fTimeGraphCombo.getTimeGraphViewer().setTimeCalendarFormat(true);
 402
 403         // View Action Handling
 404         makeActions();
 405         contributeToActionBars();
 406
 407         IEditorPart editor = getSite().getPage().getActiveEditor();
 408         if (editor instanceof ITmfTraceEditor) {
 409             ITmfTrace trace = ((ITmfTraceEditor) editor).getTrace();
 410             if (trace != null) {
 411                 traceSelected(new TmfTraceSelectedSignal(this, trace));
 412             }
 413         }
 414     }
 415
 416     /* (non-Javadoc)
 417      * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
 418      */
 419     @Override
 420     public void setFocus() {
 421         fTimeGraphCombo.setFocus();
 422     }
 423
 424     // ------------------------------------------------------------------------
 425     // Signal handlers
 426     // ------------------------------------------------------------------------
 427
 428     /**
 429      * Handler for the trace selected signal
 430      *
 431      * @param signal
 432      *            The signal that's received
 433      */
 434     @TmfSignalHandler
 435     public void traceSelected(final TmfTraceSelectedSignal signal) {
 436         if (signal.getTrace() == fTrace) {
 437             return;
 438         }
 439         fTrace = signal.getTrace();
 440
 441         synchronized (fEntryListMap) {
 442             fEntryList = fEntryListMap.get(fTrace);
 443             if (fEntryList == null) {
 444                 synchronized (fBuildThreadMap) {
 445                     BuildThread buildThread = new BuildThread(fTrace);
 446                     fBuildThreadMap.put(fTrace, buildThread);
 447                     buildThread.start();
 448                 }
 449             } else {
 450                 fStartTime = fTrace.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 451                 fEndTime = fTrace.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 452                 refresh();
 453             }
 454         }
 455     }
 456
 457     /**
 458      * Trace is closed: clear the data structures and the view
 459      *
 460      * @param signal the signal received
 461      */
 462     @TmfSignalHandler
 463     public void traceClosed(final TmfTraceClosedSignal signal) {
 464         synchronized (fBuildThreadMap) {
 465             BuildThread buildThread = fBuildThreadMap.remove(signal.getTrace());
 466             if (buildThread != null) {
 467                 buildThread.cancel();
 468             }
 469         }
 470         synchronized (fEntryListMap) {
 471             fEntryListMap.remove(signal.getTrace());
 472         }
 473         if (signal.getTrace() == fTrace) {
 474             fTrace = null;
 475             fStartTime = 0;
 476             fEndTime = 0;
 477             if (fZoomThread != null) {
 478                 fZoomThread.cancel();
 479             }
 480             refresh();
 481         }
 482     }
 483
 484     /**
 485      * Handler for the synch signal
 486      *
 487      * @param signal
 488      *            The signal that's received
 489      */
 490     @TmfSignalHandler
 491     public void synchToTime(final TmfTimeSynchSignal signal) {
 492         if (signal.getSource() == this || fTrace == null) {
 493             return;
 494         }
 495         final long time = signal.getCurrentTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 496
 497         int thread = -1;
 498         ITmfTrace[] traces;
 499         if (fTrace instanceof TmfExperiment) {
 500             TmfExperiment experiment = (TmfExperiment) fTrace;
 501             traces = experiment.getTraces();
 502         } else {
 503             traces = new ITmfTrace[] { fTrace };
 504         }
 505         for (ITmfTrace trace : traces) {
 506             if (thread > 0) {
 507                 break;
 508             }
 509             if (trace instanceof CtfKernelTrace) {
 510                 CtfKernelTrace ctfKernelTrace = (CtfKernelTrace) trace;
 511                 ITmfStateSystem ssq = ctfKernelTrace.getStateSystem();
 512                 if (time >= ssq.getStartTime() && time <= ssq.getCurrentEndTime()) {
 513                     List<Integer> currentThreadQuarks = ssq.getQuarks(Attributes.CPUS, "*", Attributes.CURRENT_THREAD);  //$NON-NLS-1$
 514                     for (int currentThreadQuark : currentThreadQuarks) {
 515                         try {
 516                             ITmfStateInterval currentThreadInterval = ssq.querySingleState(time, currentThreadQuark);
 517                             int currentThread = currentThreadInterval.getStateValue().unboxInt();
 518                             if (currentThread > 0) {
 519                                 int statusQuark = ssq.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThread), Attributes.STATUS);
 520                                 ITmfStateInterval statusInterval = ssq.querySingleState(time, statusQuark);
 521                                 if (statusInterval.getStartTime() == time) {
 522                                     thread = currentThread;
 523                                     break;
 524                                 }
 525                             }
 526                         } catch (AttributeNotFoundException e) {
 527                             e.printStackTrace();
 528                         } catch (TimeRangeException e) {
 529                             e.printStackTrace();
 530                         } catch (StateValueTypeException e) {
 531                             e.printStackTrace();
 532                         } catch (StateSystemDisposedException e) {
 533                             /* Ignored */
 534                         }
 535                     }
 536                 }
 537             }
 538         }
 539         final int selectedThread = thread;
 540
 541         Display.getDefault().asyncExec(new Runnable() {
 542             @Override
 543             public void run() {
 544                 if (fTimeGraphCombo.isDisposed()) {
 545                     return;
 546                 }
 547                 fTimeGraphCombo.getTimeGraphViewer().setSelectedTime(time, true);
 548                 startZoomThread(fTimeGraphCombo.getTimeGraphViewer().getTime0(), fTimeGraphCombo.getTimeGraphViewer().getTime1());
 549
 550                 if (selectedThread > 0) {
 551                     for (Object element : fTimeGraphCombo.getTimeGraphViewer().getExpandedElements()) {
 552                         if (element instanceof ControlFlowEntry) {
 553                             ControlFlowEntry entry = (ControlFlowEntry) element;
 554                             if (entry.getThreadId() == selectedThread) {
 555                                 fTimeGraphCombo.setSelection(entry);
 556                                 break;
 557                             }
 558                         }
 559                     }
 560                 }
 561             }
 562         });
 563     }
 564
 565     /**
 566      * Handler for the range sync signal
 567      *
 568      * @param signal
 569      *            The signal that's received
 570      */
 571     @TmfSignalHandler
 572     public void synchToRange(final TmfRangeSynchSignal signal) {
 573         if (signal.getSource() == this || fTrace == null) {
 574             return;
 575         }
 576         final long startTime = signal.getCurrentRange().getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 577         final long endTime = signal.getCurrentRange().getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 578         final long time = signal.getCurrentTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 579         Display.getDefault().asyncExec(new Runnable() {
 580             @Override
 581             public void run() {
 582                 if (fTimeGraphCombo.isDisposed()) {
 583                     return;
 584                 }
 585                 fTimeGraphCombo.getTimeGraphViewer().setStartFinishTime(startTime, endTime);
 586                 fTimeGraphCombo.getTimeGraphViewer().setSelectedTime(time, false);
 587                 startZoomThread(startTime, endTime);
 588             }
 589         });
 590     }
 591
 592     // ------------------------------------------------------------------------
 593     // Internal
 594     // ------------------------------------------------------------------------
 595
 596     private void buildEventList(final ITmfTrace trace, IProgressMonitor monitor) {
 597         fStartTime = Long.MAX_VALUE;
 598         fEndTime = Long.MIN_VALUE;
 599         ITmfTrace[] traces;
 600         if (trace instanceof TmfExperiment) {
 601             TmfExperiment experiment = (TmfExperiment) trace;
 602             traces = experiment.getTraces();
 603         } else {
 604             traces = new ITmfTrace[] { trace };
 605         }
 606         ArrayList<ControlFlowEntry> rootList = new ArrayList<ControlFlowEntry>();
 607         for (ITmfTrace aTrace : traces) {
 608             if (monitor.isCanceled()) {
 609                 return;
 610             }
 611             if (aTrace instanceof CtfKernelTrace) {
 612                 ArrayList<ControlFlowEntry> entryList = new ArrayList<ControlFlowEntry>();
 613                 CtfKernelTrace ctfKernelTrace = (CtfKernelTrace) aTrace;
 614                 ITmfStateSystem ssq = ctfKernelTrace.getStateSystem();
 615                 if (!ssq.waitUntilBuilt()) {
 616                     return;
 617                 }
 618                 long start = ssq.getStartTime();
 619                 long end = ssq.getCurrentEndTime() + 1;
 620                 fStartTime = Math.min(fStartTime, start);
 621                 fEndTime = Math.max(fEndTime, end);
 622                 List<Integer> threadQuarks = ssq.getQuarks(Attributes.THREADS, "*"); //$NON-NLS-1$
 623                 for (int threadQuark : threadQuarks) {
 624                     if (monitor.isCanceled()) {
 625                         return;
 626                     }
 627                     String threadName = ssq.getAttributeName(threadQuark);
 628                     int threadId = -1;
 629                     try {
 630                         threadId = Integer.parseInt(threadName);
 631                     } catch (NumberFormatException e1) {
 632                         continue;
 633                     }
 634                     if (threadId == 0) { // ignore the swapper thread
 635                         continue;
 636                     }
 637                     int execNameQuark = -1;
 638                     try {
 639                         try {
 640                             execNameQuark = ssq.getQuarkRelative(threadQuark, Attributes.EXEC_NAME);
 641                         } catch (AttributeNotFoundException e) {
 642                             continue;
 643                         }
 644                         int ppidQuark = ssq.getQuarkRelative(threadQuark, Attributes.PPID);
 645                         List<ITmfStateInterval> execNameIntervals = ssq.queryHistoryRange(execNameQuark, start, end - 1); // use monitor when available in api
 646                         if (monitor.isCanceled()) {
 647                             return;
 648                         }
 649                         long birthTime = -1;
 650                         for (ITmfStateInterval execNameInterval : execNameIntervals) {
 651                             if (monitor.isCanceled()) {
 652                                 return;
 653                             }
 654                             if (!execNameInterval.getStateValue().isNull() && execNameInterval.getStateValue().getType() == 1) {
 655                                 String execName = execNameInterval.getStateValue().unboxStr();
 656                                 long startTime = execNameInterval.getStartTime();
 657                                 long endTime = execNameInterval.getEndTime() + 1;
 658                                 if (birthTime == -1) {
 659                                     birthTime = startTime;
 660                                 }
 661                                 int ppid = -1;
 662                                 if (ppidQuark != -1) {
 663                                     ITmfStateInterval ppidInterval = ssq.querySingleState(startTime, ppidQuark);
 664                                     ppid = ppidInterval.getStateValue().unboxInt();
 665                                 }
 666                                 ControlFlowEntry entry = new ControlFlowEntry(threadQuark, ctfKernelTrace, execName, threadId, ppid, birthTime, startTime, endTime);
 667                                 entryList.add(entry);
 668                                 entry.addEvent(new TimeEvent(entry, startTime, endTime - startTime));
 669                             } else {
 670                                 birthTime = -1;
 671                             }
 672                         }
 673                     } catch (AttributeNotFoundException e) {
 674                         e.printStackTrace();
 675                     } catch (TimeRangeException e) {
 676                         e.printStackTrace();
 677                     } catch (StateValueTypeException e) {
 678                         e.printStackTrace();
 679                     } catch (StateSystemDisposedException e) {
 680                         /* Ignored */
 681                     }
 682                 }
 683                 buildTree(entryList, rootList);
 684             }
 685             Collections.sort(rootList, fControlFlowEntryComparator);
 686             synchronized (fEntryListMap) {
 687                 fEntryListMap.put(trace, (ArrayList<ControlFlowEntry>) rootList.clone());
 688             }
 689             if (trace == fTrace) {
 690                 refresh();
 691             }
 692         }
 693         for (ControlFlowEntry entry : rootList) {
 694             if (monitor.isCanceled()) {
 695                 return;
 696             }
 697             buildStatusEvents(trace, entry, monitor);
 698         }
 699     }
 700
 701     private static void buildTree(ArrayList<ControlFlowEntry> entryList,
 702             ArrayList<ControlFlowEntry> rootList) {
 703         for (ControlFlowEntry entry : entryList) {
 704             boolean root = true;
 705             if (entry.getParentThreadId() > 0) {
 706                 for (ControlFlowEntry parent : entryList) {
 707                     if (parent.getThreadId() == entry.getParentThreadId() &&
 708                             entry.getStartTime() >= parent.getStartTime() &&
 709                             entry.getStartTime() <= parent.getEndTime()) {
 710                         parent.addChild(entry);
 711                         root = false;
 712                         break;
 713                     }
 714                 }
 715             }
 716             if (root) {
 717                 rootList.add(entry);
 718             }
 719         }
 720     }
 721
 722     private void buildStatusEvents(ITmfTrace trace, ControlFlowEntry entry, IProgressMonitor monitor) {
 723         ITmfStateSystem ssq = entry.getTrace().getStateSystem();
 724         long start = ssq.getStartTime();
 725         long end = ssq.getCurrentEndTime() + 1;
 726         long resolution = Math.max(1, (end - start) / fDisplayWidth);
 727         List<ITimeEvent> eventList = getEventList(entry, entry.getStartTime(), entry.getEndTime(), resolution, monitor);
 728         if (monitor.isCanceled()) {
 729             return;
 730         }
 731         entry.setEventList(eventList);
 732         if (trace == fTrace) {
 733             redraw();
 734         }
 735         for (ITimeGraphEntry child : entry.getChildren()) {
 736             if (monitor.isCanceled()) {
 737                 return;
 738             }
 739             buildStatusEvents(trace, (ControlFlowEntry) child, monitor);
 740         }
 741     }
 742
 743     private static List<ITimeEvent> getEventList(ControlFlowEntry entry,
 744             long startTime, long endTime, long resolution,
 745             IProgressMonitor monitor) {
 746         startTime = Math.max(startTime, entry.getStartTime());
 747         endTime = Math.min(endTime, entry.getEndTime());
 748         if (endTime <= startTime) {
 749             return null;
 750         }
 751         ITmfStateSystem ssq = entry.getTrace().getStateSystem();
 752         List<ITimeEvent> eventList = null;
 753         try {
 754             int statusQuark = ssq.getQuarkRelative(entry.getThreadQuark(), Attributes.STATUS);
 755             List<ITmfStateInterval> statusIntervals = ssq.queryHistoryRange(statusQuark, startTime, endTime - 1, resolution, monitor);
 756             eventList = new ArrayList<ITimeEvent>(statusIntervals.size());
 757             long lastEndTime = -1;
 758             for (ITmfStateInterval statusInterval : statusIntervals) {
 759                 if (monitor.isCanceled()) {
 760                     return null;
 761                 }
 762                 long time = statusInterval.getStartTime();
 763                 long duration = statusInterval.getEndTime() - time + 1;
 764                 int status = -1;
 765                 try {
 766                     status = statusInterval.getStateValue().unboxInt();
 767                 } catch (StateValueTypeException e) {
 768                     e.printStackTrace();
 769                 }
 770                 if (lastEndTime != time && lastEndTime != -1) {
 771                     eventList.add(new ControlFlowEvent(entry, lastEndTime, time - lastEndTime, 0));
 772                 }
 773                 eventList.add(new ControlFlowEvent(entry, time, duration, status));
 774                 lastEndTime = time + duration;
 775             }
 776         } catch (AttributeNotFoundException e) {
 777             e.printStackTrace();
 778         } catch (TimeRangeException e) {
 779             e.printStackTrace();
 780         } catch (StateSystemDisposedException e) {
 781             /* Ignored */
 782         }
 783         return eventList;
 784     }
 785
 786     private void refresh() {
 787         Display.getDefault().asyncExec(new Runnable() {
 788             @Override
 789             public void run() {
 790                 if (fTimeGraphCombo.isDisposed()) {
 791                     return;
 792                 }
 793                 ITimeGraphEntry[] entries = null;
 794                 synchronized (fEntryListMap) {
 795                     fEntryList = fEntryListMap.get(fTrace);
 796                     if (fEntryList == null) {
 797                         fEntryList = new ArrayList<ControlFlowEntry>();
 798                     }
 799                     entries = fEntryList.toArray(new ITimeGraphEntry[0]);
 800                 }
 801                 Arrays.sort(entries, fControlFlowEntryComparator);
 802                 fTimeGraphCombo.setInput(entries);
 803                 fTimeGraphCombo.getTimeGraphViewer().setTimeBounds(fStartTime, fEndTime);
 804
 805                 long timestamp = fTrace == null ? 0 : fTrace.getCurrentTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 806                 long startTime = fTrace == null ? 0 : fTrace.getCurrentRange().getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 807                 long endTime = fTrace == null ? 0 : fTrace.getCurrentRange().getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue();
 808                 startTime = Math.max(startTime, fStartTime);
 809                 endTime = Math.min(endTime, fEndTime);
 810                 fTimeGraphCombo.getTimeGraphViewer().setSelectedTime(timestamp, false);
 811                 fTimeGraphCombo.getTimeGraphViewer().setStartFinishTime(startTime, endTime);
 812
 813                 for (TreeColumn column : fTimeGraphCombo.getTreeViewer().getTree().getColumns()) {
 814                     column.pack();
 815                 }
 816
 817                 startZoomThread(startTime, endTime);
 818             }
 819         });
 820     }
 821
 822     private void redraw() {
 823         synchronized (fSyncObj) {
 824             if (fRedrawState == State.IDLE) {
 825                 fRedrawState = State.BUSY;
 826             } else {
 827                 fRedrawState = State.PENDING;
 828                 return;
 829             }
 830         }
 831         Display.getDefault().asyncExec(new Runnable() {
 832             @Override
 833             public void run() {
 834                 if (fTimeGraphCombo.isDisposed()) {
 835                     return;
 836                 }
 837                 fTimeGraphCombo.redraw();
 838                 fTimeGraphCombo.update();
 839                 synchronized (fSyncObj) {
 840                     if (fRedrawState == State.PENDING) {
 841                         fRedrawState = State.IDLE;
 842                         redraw();
 843                     } else {
 844                         fRedrawState = State.IDLE;
 845                     }
 846                 }
 847             }
 848         });
 849     }
 850
 851     private void startZoomThread(long startTime, long endTime) {
 852         if (fZoomThread != null) {
 853             fZoomThread.cancel();
 854         }
 855         fZoomThread = new ZoomThread(fEntryList, startTime, endTime);
 856         fZoomThread.start();
 857     }
 858
 859     private void makeActions() {
 860         fPreviousResourceAction = fTimeGraphCombo.getTimeGraphViewer().getPreviousItemAction();
 861         fPreviousResourceAction.setText(Messages.ControlFlowView_previousProcessActionNameText);
 862         fPreviousResourceAction.setToolTipText(Messages.ControlFlowView_previousProcessActionToolTipText);
 863         fNextResourceAction = fTimeGraphCombo.getTimeGraphViewer().getNextItemAction();
 864         fNextResourceAction.setText(Messages.ControlFlowView_nextProcessActionNameText);
 865         fNextResourceAction.setToolTipText(Messages.ControlFlowView_nextProcessActionToolTipText);
 866     }
 867
 868     private void contributeToActionBars() {
 869         IActionBars bars = getViewSite().getActionBars();
 870         fillLocalToolBar(bars.getToolBarManager());
 871     }
 872
 873     private void fillLocalToolBar(IToolBarManager manager) {
 874         manager.add(fTimeGraphCombo.getTimeGraphViewer().getShowLegendAction());
 875         manager.add(new Separator());
 876         manager.add(fTimeGraphCombo.getTimeGraphViewer().getResetScaleAction());
 877         manager.add(fTimeGraphCombo.getTimeGraphViewer().getPreviousEventAction());
 878         manager.add(fTimeGraphCombo.getTimeGraphViewer().getNextEventAction());
 879         manager.add(fPreviousResourceAction);
 880         manager.add(fNextResourceAction);
 881         manager.add(fTimeGraphCombo.getTimeGraphViewer().getZoomInAction());
 882         manager.add(fTimeGraphCombo.getTimeGraphViewer().getZoomOutAction());
 883         manager.add(new Separator());
 884     }
 885 }