| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2012, 2016 Ericsson, École Polytechnique de Montréal and others. |
| 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 | * Geneviève Bastien - Move code to provide base classes for time graph view |
| 12 | * Christian Mansky - Add check active / uncheck inactive buttons |
| 13 | * Mahdi Zolnouri & Samuel Gagnon - Add flat / hierarchical button |
| 14 | *******************************************************************************/ |
| 15 | |
| 16 | package org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.controlflow; |
| 17 | |
| 18 | import java.util.ArrayList; |
| 19 | import java.util.Collections; |
| 20 | import java.util.Comparator; |
| 21 | import java.util.HashMap; |
| 22 | import java.util.HashSet; |
| 23 | import java.util.List; |
| 24 | import java.util.Map; |
| 25 | import java.util.Set; |
| 26 | import java.util.function.Predicate; |
| 27 | import java.util.stream.Collectors; |
| 28 | import java.util.stream.Stream; |
| 29 | |
| 30 | import org.eclipse.core.runtime.IProgressMonitor; |
| 31 | import org.eclipse.core.runtime.IStatus; |
| 32 | import org.eclipse.core.runtime.Status; |
| 33 | import org.eclipse.core.runtime.jobs.Job; |
| 34 | import org.eclipse.jdt.annotation.NonNull; |
| 35 | import org.eclipse.jdt.annotation.Nullable; |
| 36 | import org.eclipse.jface.action.Action; |
| 37 | import org.eclipse.jface.action.IAction; |
| 38 | import org.eclipse.jface.action.IMenuManager; |
| 39 | import org.eclipse.jface.action.IToolBarManager; |
| 40 | import org.eclipse.jface.action.MenuManager; |
| 41 | import org.eclipse.jface.dialogs.IDialogSettings; |
| 42 | import org.eclipse.jface.viewers.ISelection; |
| 43 | import org.eclipse.jface.viewers.StructuredSelection; |
| 44 | import org.eclipse.swt.widgets.Composite; |
| 45 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule; |
| 46 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelTidAspect; |
| 47 | import org.eclipse.tracecompass.common.core.StreamUtils.StreamFlattener; |
| 48 | import org.eclipse.tracecompass.internal.analysis.os.linux.core.kernel.Attributes; |
| 49 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.Activator; |
| 50 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.Messages; |
| 51 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.actions.FollowThreadAction; |
| 52 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem; |
| 53 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; |
| 54 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateSystemDisposedException; |
| 55 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; |
| 56 | import org.eclipse.tracecompass.statesystem.core.exceptions.TimeRangeException; |
| 57 | import org.eclipse.tracecompass.statesystem.core.interval.ITmfStateInterval; |
| 58 | import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; |
| 59 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
| 60 | import org.eclipse.tracecompass.tmf.core.signal.TmfSelectionRangeUpdatedSignal; |
| 61 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; |
| 62 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalManager; |
| 63 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal; |
| 64 | import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule; |
| 65 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; |
| 66 | import org.eclipse.tracecompass.tmf.core.trace.ITmfContext; |
| 67 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| 68 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| 69 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils; |
| 70 | import org.eclipse.tracecompass.tmf.core.util.Pair; |
| 71 | import org.eclipse.tracecompass.tmf.ui.views.timegraph.AbstractStateSystemTimeGraphView; |
| 72 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ILinkEvent; |
| 73 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeEvent; |
| 74 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; |
| 75 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.NullTimeEvent; |
| 76 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeEvent; |
| 77 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeGraphEntry; |
| 78 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeLinkEvent; |
| 79 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.TimeGraphControl; |
| 80 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils; |
| 81 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils.Resolution; |
| 82 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat; |
| 83 | |
| 84 | import com.google.common.collect.ImmutableList; |
| 85 | |
| 86 | /** |
| 87 | * The Control Flow view main object |
| 88 | * |
| 89 | */ |
| 90 | public class ControlFlowView extends AbstractStateSystemTimeGraphView { |
| 91 | |
| 92 | // ------------------------------------------------------------------------ |
| 93 | // Constants |
| 94 | // ------------------------------------------------------------------------ |
| 95 | /** |
| 96 | * View ID. |
| 97 | */ |
| 98 | public static final String ID = "org.eclipse.tracecompass.analysis.os.linux.views.controlflow"; //$NON-NLS-1$ |
| 99 | |
| 100 | private static final String PROCESS_COLUMN = Messages.ControlFlowView_processColumn; |
| 101 | private static final String TID_COLUMN = Messages.ControlFlowView_tidColumn; |
| 102 | private static final String PTID_COLUMN = Messages.ControlFlowView_ptidColumn; |
| 103 | private static final String BIRTH_TIME_COLUMN = Messages.ControlFlowView_birthTimeColumn; |
| 104 | |
| 105 | private static final String NEXT_EVENT_ICON_PATH = "icons/obj16/shift_r_edit.gif"; //$NON-NLS-1$ |
| 106 | private static final String PREV_EVENT_ICON_PATH = "icons/obj16/shift_l_edit.gif"; //$NON-NLS-1$ |
| 107 | |
| 108 | private static final String[] COLUMN_NAMES = new String[] { |
| 109 | PROCESS_COLUMN, |
| 110 | TID_COLUMN, |
| 111 | PTID_COLUMN, |
| 112 | BIRTH_TIME_COLUMN |
| 113 | }; |
| 114 | |
| 115 | private static final String[] FILTER_COLUMN_NAMES = new String[] { |
| 116 | PROCESS_COLUMN, |
| 117 | TID_COLUMN |
| 118 | }; |
| 119 | |
| 120 | // Timeout between updates in the build thread in ms |
| 121 | private static final long BUILD_UPDATE_TIMEOUT = 500; |
| 122 | |
| 123 | private static final Comparator<ITimeGraphEntry>[] COLUMN_COMPARATORS; |
| 124 | |
| 125 | private static final int INITIAL_SORT_COLUMN_INDEX = 3; |
| 126 | |
| 127 | static { |
| 128 | ImmutableList.Builder<Comparator<ITimeGraphEntry>> builder = ImmutableList.builder(); |
| 129 | builder.add(ControlFlowColumnComparators.PROCESS_NAME_COLUMN_COMPARATOR) |
| 130 | .add(ControlFlowColumnComparators.TID_COLUMN_COMPARATOR) |
| 131 | .add(ControlFlowColumnComparators.PTID_COLUMN_COMPARATOR) |
| 132 | .add(ControlFlowColumnComparators.BIRTH_TIME_COLUMN_COMPARATOR); |
| 133 | List<Comparator<ITimeGraphEntry>> l = builder.build(); |
| 134 | COLUMN_COMPARATORS = l.toArray(new Comparator[l.size()]); |
| 135 | } |
| 136 | |
| 137 | private final Set<ITmfTrace> fFlatTraces = new HashSet<>(); |
| 138 | |
| 139 | private IAction fFlatAction; |
| 140 | |
| 141 | private IAction fHierarchicalAction; |
| 142 | |
| 143 | // ------------------------------------------------------------------------ |
| 144 | // Constructors |
| 145 | // ------------------------------------------------------------------------ |
| 146 | |
| 147 | /** |
| 148 | * Constructor |
| 149 | */ |
| 150 | public ControlFlowView() { |
| 151 | super(ID, new ControlFlowPresentationProvider()); |
| 152 | setTreeColumns(COLUMN_NAMES, COLUMN_COMPARATORS, INITIAL_SORT_COLUMN_INDEX); |
| 153 | setTreeLabelProvider(new ControlFlowTreeLabelProvider()); |
| 154 | setFilterColumns(FILTER_COLUMN_NAMES); |
| 155 | setFilterLabelProvider(new ControlFlowFilterLabelProvider()); |
| 156 | setEntryComparator(ControlFlowColumnComparators.BIRTH_TIME_COLUMN_COMPARATOR); |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | public void createPartControl(Composite parent) { |
| 161 | super.createPartControl(parent); |
| 162 | // add "Check active" Button to TimeGraphFilterDialog |
| 163 | super.getTimeGraphCombo().addTimeGraphFilterCheckActiveButton( |
| 164 | new ControlFlowCheckActiveProvider(Messages.ControlFlowView_checkActiveLabel, Messages.ControlFlowView_checkActiveToolTip)); |
| 165 | // add "Uncheck inactive" Button to TimeGraphFilterDialog |
| 166 | super.getTimeGraphCombo().addTimeGraphFilterUncheckInactiveButton( |
| 167 | new ControlFlowCheckActiveProvider(Messages.ControlFlowView_uncheckInactiveLabel, Messages.ControlFlowView_uncheckInactiveToolTip)); |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * @since 2.0 |
| 172 | */ |
| 173 | @Override |
| 174 | protected void fillTimeGraphEntryContextMenu(@NonNull IMenuManager menuManager) { |
| 175 | ISelection selection = getSite().getSelectionProvider().getSelection(); |
| 176 | if (selection instanceof StructuredSelection) { |
| 177 | StructuredSelection sSel = (StructuredSelection) selection; |
| 178 | if (sSel.getFirstElement() instanceof ControlFlowEntry) { |
| 179 | ControlFlowEntry entry = (ControlFlowEntry) sSel.getFirstElement(); |
| 180 | menuManager.add(new FollowThreadAction(ControlFlowView.this, entry.getName(), entry.getThreadId(), entry.getTrace())); |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | protected void fillLocalToolBar(IToolBarManager manager) { |
| 187 | super.fillLocalToolBar(manager); |
| 188 | IDialogSettings settings = Activator.getDefault().getDialogSettings(); |
| 189 | IDialogSettings section = settings.getSection(getClass().getName()); |
| 190 | if (section == null) { |
| 191 | section = settings.addNewSection(getClass().getName()); |
| 192 | } |
| 193 | |
| 194 | IAction hideArrowsAction = getTimeGraphCombo().getTimeGraphViewer().getHideArrowsAction(section); |
| 195 | manager.add(hideArrowsAction); |
| 196 | |
| 197 | IAction followArrowBwdAction = getTimeGraphCombo().getTimeGraphViewer().getFollowArrowBwdAction(); |
| 198 | followArrowBwdAction.setText(Messages.ControlFlowView_followCPUBwdText); |
| 199 | followArrowBwdAction.setToolTipText(Messages.ControlFlowView_followCPUBwdText); |
| 200 | manager.add(followArrowBwdAction); |
| 201 | |
| 202 | IAction followArrowFwdAction = getTimeGraphCombo().getTimeGraphViewer().getFollowArrowFwdAction(); |
| 203 | followArrowFwdAction.setText(Messages.ControlFlowView_followCPUFwdText); |
| 204 | followArrowFwdAction.setToolTipText(Messages.ControlFlowView_followCPUFwdText); |
| 205 | manager.add(followArrowFwdAction); |
| 206 | |
| 207 | IAction previousEventAction = new SearchEventAction(false, PackageMessages.ControlFlowView_PreviousEventJobName); |
| 208 | previousEventAction.setText(PackageMessages.ControlFlowView_PreviousEventActionName); |
| 209 | previousEventAction.setToolTipText(PackageMessages.ControlFlowView_PreviousEventActionTooltip); |
| 210 | previousEventAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(PREV_EVENT_ICON_PATH)); |
| 211 | manager.add(previousEventAction); |
| 212 | |
| 213 | IAction nextEventAction = new SearchEventAction(true, PackageMessages.ControlFlowView_NextEventJobName); |
| 214 | nextEventAction.setText(PackageMessages.ControlFlowView_NextEventActionName); |
| 215 | nextEventAction.setToolTipText(PackageMessages.ControlFlowView_NextEventActionTooltip); |
| 216 | nextEventAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(NEXT_EVENT_ICON_PATH)); |
| 217 | manager.add(nextEventAction); |
| 218 | } |
| 219 | |
| 220 | @Override |
| 221 | protected void fillLocalMenu(IMenuManager manager) { |
| 222 | super.fillLocalMenu(manager); |
| 223 | final MenuManager item = new MenuManager(Messages.ControlFlowView_threadPresentation); |
| 224 | fFlatAction = createFlatAction(); |
| 225 | item.add(fFlatAction); |
| 226 | |
| 227 | fHierarchicalAction = createHierarchicalAction(); |
| 228 | item.add(fHierarchicalAction); |
| 229 | manager.add(item); |
| 230 | |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Base Action for the "Go to Next/Previous Event for thread" actions |
| 235 | */ |
| 236 | private class SearchEventAction extends Action { |
| 237 | |
| 238 | private final boolean ifDirection; |
| 239 | private final String ifJobName; |
| 240 | |
| 241 | /** |
| 242 | * Constructor |
| 243 | * |
| 244 | * @param direction |
| 245 | * The direction of the search, "true" for forwards and |
| 246 | * "false" for backwards. |
| 247 | * @param jobName |
| 248 | * The name of the job that will be spawned |
| 249 | */ |
| 250 | public SearchEventAction(boolean direction, String jobName) { |
| 251 | ifDirection = direction; |
| 252 | ifJobName = jobName; |
| 253 | } |
| 254 | |
| 255 | @Override |
| 256 | public void run() { |
| 257 | TimeGraphControl ctrl = getTimeGraphViewer().getTimeGraphControl(); |
| 258 | |
| 259 | ITimeGraphEntry traceEntry = ctrl.getSelectedTrace(); |
| 260 | long ts = ctrl.getTimeDataProvider().getSelectionBegin(); |
| 261 | ITmfTimestamp ts2 = TmfTraceManager.getInstance().getCurrentTraceContext().getSelectionRange().getStartTime(); |
| 262 | ITimeEvent selectedState = Utils.findEvent(traceEntry, ts, 0); |
| 263 | |
| 264 | if (selectedState == null) { |
| 265 | return; |
| 266 | } |
| 267 | ITimeGraphEntry entry = selectedState.getEntry(); |
| 268 | if (!(entry instanceof ControlFlowEntry)) { |
| 269 | return; |
| 270 | } |
| 271 | ControlFlowEntry cfEntry = (ControlFlowEntry) entry; |
| 272 | int tid = cfEntry.getThreadId(); |
| 273 | |
| 274 | Job job = new Job(ifJobName) { |
| 275 | @Override |
| 276 | protected IStatus run(IProgressMonitor monitor) { |
| 277 | ITmfTrace trace = cfEntry.getTrace(); |
| 278 | ITmfContext ctx = trace.seekEvent(ts2); |
| 279 | long rank = ctx.getRank(); |
| 280 | |
| 281 | Predicate<@NonNull ITmfEvent> predicate = event -> { |
| 282 | Integer eventTid = KernelTidAspect.INSTANCE.resolve(event); |
| 283 | return (eventTid != null && eventTid.intValue() == tid); |
| 284 | }; |
| 285 | |
| 286 | ITmfEvent event = (ifDirection ? |
| 287 | TmfTraceUtils.getNextEventMatching(cfEntry.getTrace(), rank, predicate) : |
| 288 | TmfTraceUtils.getPreviousEventMatching(cfEntry.getTrace(), rank, predicate)); |
| 289 | if (event != null) { |
| 290 | TmfSignalManager.dispatchSignal(new TmfSelectionRangeUpdatedSignal(this, event.getTimestamp())); |
| 291 | } |
| 292 | return Status.OK_STATUS; |
| 293 | } |
| 294 | }; |
| 295 | job.schedule(); |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | private IAction createHierarchicalAction() { |
| 300 | IAction action = new Action(Messages.ControlFlowView_hierarchicalViewLabel, IAction.AS_RADIO_BUTTON) { |
| 301 | @Override |
| 302 | public void run() { |
| 303 | ITmfTrace parentTrace = getTrace(); |
| 304 | synchronized (fFlatTraces) { |
| 305 | fFlatTraces.remove(parentTrace); |
| 306 | for (ITmfTrace trace : TmfTraceManager.getTraceSet(parentTrace)) { |
| 307 | final ITmfStateSystem ss = TmfStateSystemAnalysisModule.getStateSystem(trace, KernelAnalysisModule.ID); |
| 308 | for (TimeGraphEntry traceEntry : getEntryList(ss)) { |
| 309 | List<ControlFlowEntry> currentRootList = traceEntry.getChildren().stream() |
| 310 | .filter(e -> e instanceof ControlFlowEntry) |
| 311 | .map(e -> (ControlFlowEntry) e).collect(Collectors.toList()); |
| 312 | addEntriesToHierarchicalTree(currentRootList, traceEntry); |
| 313 | } |
| 314 | } |
| 315 | } |
| 316 | refresh(); |
| 317 | } |
| 318 | }; |
| 319 | action.setChecked(true); |
| 320 | action.setToolTipText(Messages.ControlFlowView_hierarchicalViewToolTip); |
| 321 | return action; |
| 322 | } |
| 323 | |
| 324 | private IAction createFlatAction() { |
| 325 | IAction action = new Action(Messages.ControlFlowView_flatViewLabel, IAction.AS_RADIO_BUTTON) { |
| 326 | @Override |
| 327 | public void run() { |
| 328 | ITmfTrace parentTrace = getTrace(); |
| 329 | synchronized (fFlatTraces) { |
| 330 | fFlatTraces.add(parentTrace); |
| 331 | for (ITmfTrace trace : TmfTraceManager.getTraceSet(parentTrace)) { |
| 332 | final ITmfStateSystem ss = TmfStateSystemAnalysisModule.getStateSystem(trace, KernelAnalysisModule.ID); |
| 333 | for (TimeGraphEntry traceEntry : getEntryList(ss)) { |
| 334 | hierarchicalToFlatTree(traceEntry); |
| 335 | } |
| 336 | } |
| 337 | } |
| 338 | refresh(); |
| 339 | } |
| 340 | }; |
| 341 | action.setToolTipText(Messages.ControlFlowView_flatViewToolTip); |
| 342 | return action; |
| 343 | } |
| 344 | |
| 345 | @Override |
| 346 | protected String getNextText() { |
| 347 | return Messages.ControlFlowView_nextProcessActionNameText; |
| 348 | } |
| 349 | |
| 350 | @Override |
| 351 | protected String getNextTooltip() { |
| 352 | return Messages.ControlFlowView_nextProcessActionToolTipText; |
| 353 | } |
| 354 | |
| 355 | @Override |
| 356 | protected String getPrevText() { |
| 357 | return Messages.ControlFlowView_previousProcessActionNameText; |
| 358 | } |
| 359 | |
| 360 | @Override |
| 361 | protected String getPrevTooltip() { |
| 362 | return Messages.ControlFlowView_previousProcessActionToolTipText; |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * @author gbastien |
| 367 | * |
| 368 | */ |
| 369 | protected static class ControlFlowTreeLabelProvider extends TreeLabelProvider { |
| 370 | |
| 371 | @Override |
| 372 | public String getColumnText(Object element, int columnIndex) { |
| 373 | if (element instanceof TraceEntry) { |
| 374 | if (columnIndex == 0) { |
| 375 | return ((TraceEntry) element).getName(); |
| 376 | } |
| 377 | return ""; //$NON-NLS-1$ |
| 378 | } |
| 379 | ControlFlowEntry entry = (ControlFlowEntry) element; |
| 380 | |
| 381 | if (COLUMN_NAMES[columnIndex].equals(Messages.ControlFlowView_processColumn)) { |
| 382 | return entry.getName(); |
| 383 | } else if (COLUMN_NAMES[columnIndex].equals(Messages.ControlFlowView_tidColumn)) { |
| 384 | return Integer.toString(entry.getThreadId()); |
| 385 | } else if (COLUMN_NAMES[columnIndex].equals(Messages.ControlFlowView_ptidColumn)) { |
| 386 | if (entry.getParentThreadId() > 0) { |
| 387 | return Integer.toString(entry.getParentThreadId()); |
| 388 | } |
| 389 | } else if (COLUMN_NAMES[columnIndex].equals(Messages.ControlFlowView_birthTimeColumn)) { |
| 390 | return Utils.formatTime(entry.getStartTime(), TimeFormat.CALENDAR, Resolution.NANOSEC); |
| 391 | } |
| 392 | return ""; //$NON-NLS-1$ |
| 393 | } |
| 394 | |
| 395 | } |
| 396 | |
| 397 | private static class ControlFlowFilterLabelProvider extends TreeLabelProvider { |
| 398 | |
| 399 | @Override |
| 400 | public String getColumnText(Object element, int columnIndex) { |
| 401 | if (element instanceof TraceEntry) { |
| 402 | if (columnIndex == 0) { |
| 403 | return ((TraceEntry) element).getName(); |
| 404 | } |
| 405 | return ""; //$NON-NLS-1$ |
| 406 | } |
| 407 | ControlFlowEntry entry = (ControlFlowEntry) element; |
| 408 | |
| 409 | if (columnIndex == 0) { |
| 410 | return entry.getName(); |
| 411 | } else if (columnIndex == 1) { |
| 412 | return Integer.toString(entry.getThreadId()); |
| 413 | } |
| 414 | return ""; //$NON-NLS-1$ |
| 415 | } |
| 416 | |
| 417 | } |
| 418 | |
| 419 | private static class TraceEntry extends TimeGraphEntry { |
| 420 | |
| 421 | public TraceEntry(String name, long startTime, long endTime) { |
| 422 | super(name, startTime, endTime); |
| 423 | } |
| 424 | |
| 425 | @Override |
| 426 | public boolean hasTimeEvents() { |
| 427 | return false; |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | @TmfSignalHandler |
| 432 | @Override |
| 433 | public void traceClosed(org.eclipse.tracecompass.tmf.core.signal.TmfTraceClosedSignal signal) { |
| 434 | super.traceClosed(signal); |
| 435 | synchronized (fFlatTraces) { |
| 436 | fFlatTraces.remove(signal.getTrace()); |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | @TmfSignalHandler |
| 441 | @Override |
| 442 | public void traceSelected(TmfTraceSelectedSignal signal) { |
| 443 | super.traceSelected(signal); |
| 444 | synchronized (fFlatTraces) { |
| 445 | if (fFlatTraces.contains(signal.getTrace())) { |
| 446 | fHierarchicalAction.setChecked(false); |
| 447 | fFlatAction.setChecked(true); |
| 448 | } else { |
| 449 | fFlatAction.setChecked(false); |
| 450 | fHierarchicalAction.setChecked(true); |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | // ------------------------------------------------------------------------ |
| 456 | // Internal |
| 457 | // ------------------------------------------------------------------------ |
| 458 | |
| 459 | @Override |
| 460 | protected void buildEntryList(final ITmfTrace trace, final ITmfTrace parentTrace, final IProgressMonitor monitor) { |
| 461 | final ITmfStateSystem ssq = TmfStateSystemAnalysisModule.getStateSystem(trace, KernelAnalysisModule.ID); |
| 462 | if (ssq == null) { |
| 463 | return; |
| 464 | } |
| 465 | |
| 466 | final List<ControlFlowEntry> entryList = new ArrayList<>(); |
| 467 | /** Map of trace entries */ |
| 468 | Map<ITmfTrace, TraceEntry> traceEntryMap = new HashMap<>(); |
| 469 | /** Map of control flow entries, key is a pair [threadId, cpuId] */ |
| 470 | final Map<Pair<Integer, Integer>, ControlFlowEntry> entryMap = new HashMap<>(); |
| 471 | |
| 472 | long start = ssq.getStartTime(); |
| 473 | setStartTime(Math.min(getStartTime(), start)); |
| 474 | |
| 475 | boolean complete = false; |
| 476 | while (!complete) { |
| 477 | if (monitor.isCanceled()) { |
| 478 | return; |
| 479 | } |
| 480 | complete = ssq.waitUntilBuilt(BUILD_UPDATE_TIMEOUT); |
| 481 | if (ssq.isCancelled()) { |
| 482 | return; |
| 483 | } |
| 484 | long end = ssq.getCurrentEndTime(); |
| 485 | if (start == end && !complete) { // when complete execute one last time regardless of end time |
| 486 | continue; |
| 487 | } |
| 488 | |
| 489 | TraceEntry aTraceEntry = traceEntryMap.get(trace); |
| 490 | if (aTraceEntry == null) { |
| 491 | aTraceEntry = new TraceEntry(trace.getName(), start, end + 1); |
| 492 | traceEntryMap.put(trace, aTraceEntry); |
| 493 | addToEntryList(parentTrace, ssq, Collections.singletonList(aTraceEntry)); |
| 494 | } else { |
| 495 | aTraceEntry.updateEndTime(end + 1); |
| 496 | } |
| 497 | final TraceEntry traceEntry = aTraceEntry; |
| 498 | |
| 499 | final long resolution = Math.max(1, (end - ssq.getStartTime()) / getDisplayWidth()); |
| 500 | setEndTime(Math.max(getEndTime(), end + 1)); |
| 501 | final List<Integer> threadQuarks = ssq.getQuarks(Attributes.THREADS, "*"); //$NON-NLS-1$ |
| 502 | queryFullStates(ssq, start, end, resolution, monitor, new IQueryHandler() { |
| 503 | @Override |
| 504 | public void handle(List<List<ITmfStateInterval>> fullStates, List<ITmfStateInterval> prevFullState) { |
| 505 | for (int threadQuark : threadQuarks) { |
| 506 | String threadAttributeName = ssq.getAttributeName(threadQuark); |
| 507 | |
| 508 | Pair<Integer, Integer> entryKey = Attributes.parseThreadAttributeName(threadAttributeName); |
| 509 | int threadId = entryKey.getFirst(); |
| 510 | |
| 511 | if (threadId < 0) { // ignore the 'unknown' (-1) thread |
| 512 | continue; |
| 513 | } |
| 514 | |
| 515 | int execNameQuark; |
| 516 | int ppidQuark; |
| 517 | try { |
| 518 | execNameQuark = ssq.getQuarkRelative(threadQuark, Attributes.EXEC_NAME); |
| 519 | ppidQuark = ssq.getQuarkRelative(threadQuark, Attributes.PPID); |
| 520 | } catch (AttributeNotFoundException e) { |
| 521 | /* No information on this thread (yet?), skip it for now */ |
| 522 | continue; |
| 523 | } |
| 524 | ITmfStateInterval lastExecNameInterval = prevFullState == null || execNameQuark >= prevFullState.size() ? null : prevFullState.get(execNameQuark); |
| 525 | long lastExecNameStartTime = lastExecNameInterval == null ? -1 : lastExecNameInterval.getStartTime(); |
| 526 | long lastExecNameEndTime = lastExecNameInterval == null ? -1 : lastExecNameInterval.getEndTime() + 1; |
| 527 | long lastPpidStartTime = prevFullState == null || ppidQuark >= prevFullState.size() ? -1 : prevFullState.get(ppidQuark).getStartTime(); |
| 528 | for (List<ITmfStateInterval> fullState : fullStates) { |
| 529 | if (monitor.isCanceled()) { |
| 530 | return; |
| 531 | } |
| 532 | if (execNameQuark >= fullState.size() || ppidQuark >= fullState.size()) { |
| 533 | /* No information on this thread (yet?), skip it for now */ |
| 534 | continue; |
| 535 | } |
| 536 | ITmfStateInterval execNameInterval = fullState.get(execNameQuark); |
| 537 | ITmfStateInterval ppidInterval = fullState.get(ppidQuark); |
| 538 | long startTime = execNameInterval.getStartTime(); |
| 539 | long endTime = execNameInterval.getEndTime() + 1; |
| 540 | if (startTime == lastExecNameStartTime && ppidInterval.getStartTime() == lastPpidStartTime) { |
| 541 | continue; |
| 542 | } |
| 543 | boolean isNull = execNameInterval.getStateValue().isNull(); |
| 544 | if (isNull && lastExecNameEndTime < startTime && lastExecNameEndTime != -1) { |
| 545 | /* |
| 546 | * There was a non-null interval in between the |
| 547 | * full states, try to use it. |
| 548 | */ |
| 549 | try { |
| 550 | execNameInterval = ssq.querySingleState(startTime - 1, execNameQuark); |
| 551 | ppidInterval = ssq.querySingleState(startTime - 1, ppidQuark); |
| 552 | startTime = execNameInterval.getStartTime(); |
| 553 | endTime = execNameInterval.getEndTime() + 1; |
| 554 | } catch (StateSystemDisposedException e) { |
| 555 | /* ignored */ |
| 556 | } |
| 557 | } |
| 558 | if (!execNameInterval.getStateValue().isNull() && |
| 559 | execNameInterval.getStateValue().getType() == ITmfStateValue.Type.STRING) { |
| 560 | String execName = execNameInterval.getStateValue().unboxStr(); |
| 561 | int ppid = ppidInterval.getStateValue().unboxInt(); |
| 562 | ControlFlowEntry entry = entryMap.get(entryKey); |
| 563 | if (entry == null) { |
| 564 | entry = new ControlFlowEntry(threadQuark, trace, execName, threadId, ppid, startTime, endTime); |
| 565 | entryList.add(entry); |
| 566 | entryMap.put(entryKey, entry); |
| 567 | } else { |
| 568 | /* |
| 569 | * Update the name of the entry to the |
| 570 | * latest execName and the parent thread id |
| 571 | * to the latest ppid. |
| 572 | */ |
| 573 | entry.setName(execName); |
| 574 | entry.setParentThreadId(ppid); |
| 575 | entry.updateEndTime(endTime); |
| 576 | } |
| 577 | } |
| 578 | if (isNull) { |
| 579 | entryMap.remove(entryKey); |
| 580 | } |
| 581 | lastExecNameStartTime = startTime; |
| 582 | lastExecNameEndTime = endTime; |
| 583 | lastPpidStartTime = ppidInterval.getStartTime(); |
| 584 | } |
| 585 | } |
| 586 | synchronized (fFlatTraces) { |
| 587 | if (fFlatTraces.contains(parentTrace)) { |
| 588 | addEntriesToFlatTree(entryList, traceEntry); |
| 589 | } else { |
| 590 | addEntriesToHierarchicalTree(entryList, traceEntry); |
| 591 | } |
| 592 | } |
| 593 | } |
| 594 | }); |
| 595 | |
| 596 | queryFullStates(ssq, ssq.getStartTime(), end, resolution, monitor, new IQueryHandler() { |
| 597 | @Override |
| 598 | public void handle(@NonNull List<List<ITmfStateInterval>> fullStates, @Nullable List<ITmfStateInterval> prevFullState) { |
| 599 | for (final TimeGraphEntry entry : traceEntry.getChildren()) { |
| 600 | if (monitor.isCanceled()) { |
| 601 | return; |
| 602 | } |
| 603 | buildStatusEvents(trace, parentTrace, ssq, fullStates, prevFullState, (ControlFlowEntry) entry, monitor, ssq.getStartTime(), end); |
| 604 | } |
| 605 | } |
| 606 | }); |
| 607 | |
| 608 | if (parentTrace.equals(getTrace())) { |
| 609 | refresh(); |
| 610 | } |
| 611 | |
| 612 | start = end; |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | /** |
| 617 | * Add entries to the traces's child list in a flat fashion (no hierarchy). |
| 618 | * If one entry has children, we do a depth first search to add each child |
| 619 | * to the trace's child list and update the parent and child relations. |
| 620 | */ |
| 621 | private static void hierarchicalToFlatTree(TimeGraphEntry traceEntry) { |
| 622 | List<@NonNull TimeGraphEntry> rootList = traceEntry.getChildren(); |
| 623 | // We visit the children of every entry to add |
| 624 | StreamFlattener<TimeGraphEntry> sf = new StreamFlattener<>(entry -> entry.getChildren().stream()); |
| 625 | Stream<TimeGraphEntry> allEntries = rootList.stream().flatMap(entry -> sf.flatten(entry)); |
| 626 | |
| 627 | // We add every entry that is missing from the trace's entry list |
| 628 | List<@NonNull TimeGraphEntry> rootListToAdd = allEntries |
| 629 | .filter(entry -> !rootList.contains(entry)) |
| 630 | .collect(Collectors.toList()); |
| 631 | rootList.forEach(entry -> { |
| 632 | entry.clearChildren(); |
| 633 | }); |
| 634 | rootListToAdd.forEach(entry -> { |
| 635 | traceEntry.addChild(entry); |
| 636 | entry.clearChildren(); |
| 637 | }); |
| 638 | } |
| 639 | |
| 640 | /** |
| 641 | * Add entries to the traces's child list in a flat fashion (no hierarchy). |
| 642 | */ |
| 643 | private static void addEntriesToFlatTree(List<@NonNull ControlFlowEntry> entryList, TimeGraphEntry traceEntry) { |
| 644 | List<TimeGraphEntry> rootList = traceEntry.getChildren(); |
| 645 | for (ControlFlowEntry entry : entryList) { |
| 646 | if (!rootList.contains(entry)) { |
| 647 | traceEntry.addChild(entry); |
| 648 | } |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | /** |
| 653 | * Add entries to the trace's child list in a hierarchical fashion. |
| 654 | */ |
| 655 | private static void addEntriesToHierarchicalTree(List<ControlFlowEntry> entryList, TimeGraphEntry traceEntry) { |
| 656 | List<TimeGraphEntry> rootList = traceEntry.getChildren(); |
| 657 | |
| 658 | for (ControlFlowEntry entry : entryList) { |
| 659 | boolean root = (entry.getParent() == null || entry.getParent() == traceEntry); |
| 660 | if (root && entry.getParentThreadId() > 0) { |
| 661 | for (ControlFlowEntry parent : entryList) { |
| 662 | /* |
| 663 | * Associate the parent entry only if their time overlap. A |
| 664 | * child entry may start before its parent, for example at |
| 665 | * the beginning of the trace if a parent has not yet |
| 666 | * appeared in the state system. We just want to make sure |
| 667 | * that the entry didn't start after the parent ended or |
| 668 | * ended before the parent started. |
| 669 | */ |
| 670 | if (parent.getThreadId() == entry.getParentThreadId() && |
| 671 | !(entry.getStartTime() > parent.getEndTime() || |
| 672 | entry.getEndTime() < parent.getStartTime())) { |
| 673 | parent.addChild(entry); |
| 674 | root = false; |
| 675 | if (rootList.contains(entry)) { |
| 676 | traceEntry.removeChild(entry); |
| 677 | } |
| 678 | break; |
| 679 | } |
| 680 | } |
| 681 | } |
| 682 | if (root && (!rootList.contains(entry))) { |
| 683 | traceEntry.addChild(entry); |
| 684 | } |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | private void buildStatusEvents(ITmfTrace trace, ITmfTrace parentTrace, ITmfStateSystem ss, @NonNull List<List<ITmfStateInterval>> fullStates, |
| 689 | @Nullable List<ITmfStateInterval> prevFullState, ControlFlowEntry entry, @NonNull IProgressMonitor monitor, long start, long end) { |
| 690 | if (start < entry.getEndTime() && end > entry.getStartTime()) { |
| 691 | List<ITimeEvent> eventList = getEventList(entry, ss, fullStates, prevFullState, monitor); |
| 692 | if (eventList == null) { |
| 693 | return; |
| 694 | } |
| 695 | /* Start a new event list on first iteration, then append to it */ |
| 696 | if (prevFullState == null) { |
| 697 | entry.setEventList(eventList); |
| 698 | } else { |
| 699 | for (ITimeEvent event : eventList) { |
| 700 | entry.addEvent(event); |
| 701 | } |
| 702 | } |
| 703 | if (parentTrace.equals(getTrace())) { |
| 704 | redraw(); |
| 705 | } |
| 706 | } |
| 707 | for (ITimeGraphEntry child : entry.getChildren()) { |
| 708 | if (monitor.isCanceled()) { |
| 709 | return; |
| 710 | } |
| 711 | buildStatusEvents(trace, parentTrace, ss, fullStates, prevFullState, (ControlFlowEntry) child, monitor, start, end); |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | @Override |
| 716 | protected @Nullable List<ITimeEvent> getEventList(@NonNull TimeGraphEntry tgentry, ITmfStateSystem ss, |
| 717 | @NonNull List<List<ITmfStateInterval>> fullStates, @Nullable List<ITmfStateInterval> prevFullState, @NonNull IProgressMonitor monitor) { |
| 718 | List<ITimeEvent> eventList = null; |
| 719 | if (!(tgentry instanceof ControlFlowEntry)) { |
| 720 | return eventList; |
| 721 | } |
| 722 | ControlFlowEntry entry = (ControlFlowEntry) tgentry; |
| 723 | try { |
| 724 | int threadQuark = entry.getThreadQuark(); |
| 725 | int statusQuark = ss.getQuarkRelative(threadQuark, Attributes.STATUS); |
| 726 | eventList = new ArrayList<>(fullStates.size()); |
| 727 | ITmfStateInterval lastInterval = prevFullState == null || statusQuark >= prevFullState.size() ? null : prevFullState.get(statusQuark); |
| 728 | long lastStartTime = lastInterval == null ? -1 : lastInterval.getStartTime(); |
| 729 | long lastEndTime = lastInterval == null ? -1 : lastInterval.getEndTime() + 1; |
| 730 | for (List<ITmfStateInterval> fullState : fullStates) { |
| 731 | if (monitor.isCanceled()) { |
| 732 | return null; |
| 733 | } |
| 734 | if (statusQuark >= fullState.size()) { |
| 735 | /* No information on this thread (yet?), skip it for now */ |
| 736 | continue; |
| 737 | } |
| 738 | ITmfStateInterval statusInterval = fullState.get(statusQuark); |
| 739 | long time = statusInterval.getStartTime(); |
| 740 | if (time == lastStartTime) { |
| 741 | continue; |
| 742 | } |
| 743 | long duration = statusInterval.getEndTime() - time + 1; |
| 744 | int status = -1; |
| 745 | try { |
| 746 | status = statusInterval.getStateValue().unboxInt(); |
| 747 | } catch (StateValueTypeException e) { |
| 748 | Activator.getDefault().logError(e.getMessage()); |
| 749 | } |
| 750 | if (lastEndTime != time && lastEndTime != -1) { |
| 751 | eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime)); |
| 752 | } |
| 753 | if (!statusInterval.getStateValue().isNull()) { |
| 754 | eventList.add(new TimeEvent(entry, time, duration, status)); |
| 755 | } else { |
| 756 | eventList.add(new NullTimeEvent(entry, time, duration)); |
| 757 | } |
| 758 | lastStartTime = time; |
| 759 | lastEndTime = time + duration; |
| 760 | } |
| 761 | } catch (AttributeNotFoundException | TimeRangeException e) { |
| 762 | Activator.getDefault().logError(e.getMessage()); |
| 763 | } |
| 764 | return eventList; |
| 765 | } |
| 766 | |
| 767 | /** |
| 768 | * Returns a value corresponding to the selected entry. |
| 769 | * |
| 770 | * Used in conjunction with synchingToTime to change the selected entry. If |
| 771 | * one of these methods is overridden in child class, then both should be. |
| 772 | * |
| 773 | * @param time |
| 774 | * The currently selected time |
| 775 | * @return a value identifying the entry |
| 776 | */ |
| 777 | private int getSelectionValue(long time) { |
| 778 | int thread = -1; |
| 779 | for (ITmfTrace trace : TmfTraceManager.getTraceSet(getTrace())) { |
| 780 | if (thread > 0) { |
| 781 | break; |
| 782 | } |
| 783 | ITmfStateSystem ssq = TmfStateSystemAnalysisModule.getStateSystem(trace, KernelAnalysisModule.ID); |
| 784 | if (ssq == null) { |
| 785 | continue; |
| 786 | } |
| 787 | if (time >= ssq.getStartTime() && time <= ssq.getCurrentEndTime()) { |
| 788 | List<Integer> currentThreadQuarks = ssq.getQuarks(Attributes.CPUS, "*", Attributes.CURRENT_THREAD); //$NON-NLS-1$ |
| 789 | for (int currentThreadQuark : currentThreadQuarks) { |
| 790 | try { |
| 791 | ITmfStateInterval currentThreadInterval = ssq.querySingleState(time, currentThreadQuark); |
| 792 | int currentThread = currentThreadInterval.getStateValue().unboxInt(); |
| 793 | if (currentThread > 0) { |
| 794 | int statusQuark = ssq.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThread), Attributes.STATUS); |
| 795 | ITmfStateInterval statusInterval = ssq.querySingleState(time, statusQuark); |
| 796 | if (statusInterval.getStartTime() == time) { |
| 797 | thread = currentThread; |
| 798 | break; |
| 799 | } |
| 800 | } |
| 801 | } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) { |
| 802 | Activator.getDefault().logError(e.getMessage()); |
| 803 | } catch (StateSystemDisposedException e) { |
| 804 | /* Ignored */ |
| 805 | } |
| 806 | } |
| 807 | } |
| 808 | } |
| 809 | return thread; |
| 810 | } |
| 811 | |
| 812 | @Override |
| 813 | protected void synchingToTime(long time) { |
| 814 | int selected = getSelectionValue(time); |
| 815 | if (selected > 0) { |
| 816 | for (Object element : getTimeGraphViewer().getExpandedElements()) { |
| 817 | if (element instanceof ControlFlowEntry) { |
| 818 | ControlFlowEntry entry = (ControlFlowEntry) element; |
| 819 | if (entry.getThreadId() == selected) { |
| 820 | getTimeGraphCombo().setSelection(entry); |
| 821 | break; |
| 822 | } |
| 823 | } |
| 824 | } |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | @Override |
| 829 | protected @NonNull List<ILinkEvent> getLinkList(ITmfStateSystem ss, |
| 830 | @NonNull List<List<ITmfStateInterval>> fullStates, @Nullable List<ITmfStateInterval> prevFullState, @NonNull IProgressMonitor monitor) { |
| 831 | List<ILinkEvent> list = new ArrayList<>(); |
| 832 | List<TimeGraphEntry> entryList = getEntryList(ss); |
| 833 | if (entryList == null) { |
| 834 | return list; |
| 835 | } |
| 836 | for (ITmfTrace trace : TmfTraceManager.getTraceSet(getTrace())) { |
| 837 | List<Integer> currentThreadQuarks = ss.getQuarks(Attributes.CPUS, "*", Attributes.CURRENT_THREAD); //$NON-NLS-1$ |
| 838 | for (int currentThreadQuark : currentThreadQuarks) { |
| 839 | if (currentThreadQuark >= fullStates.get(0).size()) { |
| 840 | /* No information on this cpu (yet?), skip it for now */ |
| 841 | continue; |
| 842 | } |
| 843 | List<ITmfStateInterval> currentThreadIntervals = new ArrayList<>(fullStates.size() + 2); |
| 844 | try { |
| 845 | /* |
| 846 | * Add the previous interval if it is the first query |
| 847 | * iteration and the first interval has currentThread=0. Add |
| 848 | * the following interval if the last interval has |
| 849 | * currentThread=0. These are diagonal arrows crossing the |
| 850 | * query iteration range. |
| 851 | */ |
| 852 | if (prevFullState == null) { |
| 853 | ITmfStateInterval currentThreadInterval = fullStates.get(0).get(currentThreadQuark); |
| 854 | if (currentThreadInterval.getStateValue().unboxInt() == 0) { |
| 855 | long start = Math.max(currentThreadInterval.getStartTime() - 1, ss.getStartTime()); |
| 856 | currentThreadIntervals.add(ss.querySingleState(start, currentThreadQuark)); |
| 857 | } |
| 858 | } |
| 859 | for (List<ITmfStateInterval> fullState : fullStates) { |
| 860 | currentThreadIntervals.add(fullState.get(currentThreadQuark)); |
| 861 | } |
| 862 | ITmfStateInterval currentThreadInterval = fullStates.get(fullStates.size() - 1).get(currentThreadQuark); |
| 863 | if (currentThreadInterval.getStateValue().unboxInt() == 0) { |
| 864 | long end = Math.min(currentThreadInterval.getEndTime() + 1, ss.getCurrentEndTime()); |
| 865 | currentThreadIntervals.add(ss.querySingleState(end, currentThreadQuark)); |
| 866 | } |
| 867 | } catch (StateSystemDisposedException e) { |
| 868 | /* Ignored */ |
| 869 | return list; |
| 870 | } |
| 871 | int prevThread = 0; |
| 872 | long prevEnd = 0; |
| 873 | long lastEnd = 0; |
| 874 | for (ITmfStateInterval currentThreadInterval : currentThreadIntervals) { |
| 875 | if (monitor.isCanceled()) { |
| 876 | return list; |
| 877 | } |
| 878 | if (currentThreadInterval.getEndTime() + 1 == lastEnd) { |
| 879 | continue; |
| 880 | } |
| 881 | long time = currentThreadInterval.getStartTime(); |
| 882 | if (time != lastEnd) { |
| 883 | // don't create links where there are gaps in intervals due to the resolution |
| 884 | prevThread = 0; |
| 885 | prevEnd = 0; |
| 886 | } |
| 887 | int thread = currentThreadInterval.getStateValue().unboxInt(); |
| 888 | if (thread > 0 && prevThread > 0) { |
| 889 | ITimeGraphEntry prevEntry = findEntry(entryList, trace, prevThread); |
| 890 | ITimeGraphEntry nextEntry = findEntry(entryList, trace, thread); |
| 891 | list.add(new TimeLinkEvent(prevEntry, nextEntry, prevEnd, time - prevEnd, 0)); |
| 892 | } |
| 893 | lastEnd = currentThreadInterval.getEndTime() + 1; |
| 894 | if (thread != 0) { |
| 895 | prevThread = thread; |
| 896 | prevEnd = lastEnd; |
| 897 | } |
| 898 | } |
| 899 | } |
| 900 | } |
| 901 | return list; |
| 902 | } |
| 903 | |
| 904 | private ControlFlowEntry findEntry(List<TimeGraphEntry> entryList, ITmfTrace trace, int threadId) { |
| 905 | for (TimeGraphEntry entry : entryList) { |
| 906 | if (entry instanceof ControlFlowEntry) { |
| 907 | ControlFlowEntry controlFlowEntry = (ControlFlowEntry) entry; |
| 908 | if (controlFlowEntry.getThreadId() == threadId && controlFlowEntry.getTrace() == trace) { |
| 909 | return controlFlowEntry; |
| 910 | } |
| 911 | } |
| 912 | if (entry.hasChildren()) { |
| 913 | ControlFlowEntry controlFlowEntry = findEntry(entry.getChildren(), trace, threadId); |
| 914 | if (controlFlowEntry != null) { |
| 915 | return controlFlowEntry; |
| 916 | } |
| 917 | } |
| 918 | } |
| 919 | return null; |
| 920 | } |
| 921 | } |