1 /*******************************************************************************
2 * Copyright (c) 2009 Ericsson
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
10 * Yann N. Dauphin (dhaemon@gmail.com) - Implementation
11 * Francois Chouinard (fchouinard@gmail.com) - Initial API
12 *******************************************************************************/
14 package org
.eclipse
.linuxtools
.lttng
.ui
.views
.statistics
;
16 import java
.text
.DecimalFormat
;
17 import java
.util
.Arrays
;
18 import java
.util
.Collections
;
19 import java
.util
.HashSet
;
20 import java
.util
.Iterator
;
21 import java
.util
.LinkedList
;
24 import org
.eclipse
.jface
.viewers
.ColumnLabelProvider
;
25 import org
.eclipse
.jface
.viewers
.ITreeContentProvider
;
26 import org
.eclipse
.jface
.viewers
.TreeViewer
;
27 import org
.eclipse
.jface
.viewers
.TreeViewerColumn
;
28 import org
.eclipse
.jface
.viewers
.Viewer
;
29 import org
.eclipse
.jface
.viewers
.ViewerComparator
;
30 import org
.eclipse
.linuxtools
.lttng
.core
.control
.LttngCoreProviderFactory
;
31 import org
.eclipse
.linuxtools
.lttng
.core
.event
.LttngEvent
;
32 import org
.eclipse
.linuxtools
.lttng
.core
.model
.LTTngTreeNode
;
33 import org
.eclipse
.linuxtools
.lttng
.core
.request
.ILttngSyntEventRequest
;
34 import org
.eclipse
.linuxtools
.lttng
.core
.state
.evProcessor
.AbsEventToHandlerResolver
;
35 import org
.eclipse
.linuxtools
.lttng
.core
.state
.experiment
.StateManagerFactory
;
36 import org
.eclipse
.linuxtools
.lttng
.ui
.TraceDebug
;
37 import org
.eclipse
.linuxtools
.lttng
.ui
.model
.trange
.ItemContainer
;
38 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.common
.AbsTimeUpdateView
;
39 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.common
.ParamsUpdater
;
40 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.statistics
.evProcessor
.StatsTimeCountHandlerFactory
;
41 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.statistics
.model
.KernelStatisticsData
;
42 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.statistics
.model
.StatisticsTreeNode
;
43 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.statistics
.model
.StatisticsTreeRootFactory
;
44 import org
.eclipse
.linuxtools
.tmf
.core
.event
.TmfEvent
;
45 import org
.eclipse
.linuxtools
.tmf
.core
.event
.TmfTimeRange
;
46 import org
.eclipse
.linuxtools
.tmf
.core
.experiment
.TmfExperiment
;
47 import org
.eclipse
.linuxtools
.tmf
.core
.request
.ITmfDataRequest
.ExecutionType
;
48 import org
.eclipse
.linuxtools
.tmf
.core
.signal
.TmfExperimentRangeUpdatedSignal
;
49 import org
.eclipse
.linuxtools
.tmf
.core
.signal
.TmfExperimentSelectedSignal
;
50 import org
.eclipse
.linuxtools
.tmf
.core
.signal
.TmfSignalHandler
;
51 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.ITmfTrace
;
52 import org
.eclipse
.linuxtools
.tmf
.ui
.viewers
.timeAnalysis
.model
.ITmfTimeAnalysisEntry
;
53 import org
.eclipse
.swt
.SWT
;
54 import org
.eclipse
.swt
.events
.SelectionAdapter
;
55 import org
.eclipse
.swt
.events
.SelectionEvent
;
56 import org
.eclipse
.swt
.graphics
.Color
;
57 import org
.eclipse
.swt
.graphics
.Cursor
;
58 import org
.eclipse
.swt
.graphics
.Image
;
59 import org
.eclipse
.swt
.layout
.FillLayout
;
60 import org
.eclipse
.swt
.widgets
.Composite
;
61 import org
.eclipse
.swt
.widgets
.Display
;
62 import org
.eclipse
.swt
.widgets
.Event
;
63 import org
.eclipse
.swt
.widgets
.Listener
;
64 import org
.eclipse
.ui
.ISharedImages
;
65 import org
.eclipse
.ui
.PlatformUI
;
68 * <b><u>StatisticsView</u></b>
70 * The Statistics View displays statistics for traces.
72 * It is implemented according to the MVC pattern. - The model is a
73 * StatisticsTreeNode built by the State Manager. - The view is built with a
74 * TreeViewer. - The controller that keeps model and view synchronised is an
75 * observer of the model.
77 public class StatisticsView
extends AbsTimeUpdateView
{
78 public static final String ID
= "org.eclipse.linuxtools.lttng.ui.views.statistics"; //$NON-NLS-1$
79 private TreeViewer treeViewer
;
82 private final String LEVEL_COLUMN
= Messages
.StatisticsView_LevelColumn
;
83 private final String EVENTS_COUNT_COLUMN
= Messages
.StatisticsView_NbEventsColumn
;
84 private final String CPU_TIME_COLUMN
= Messages
.StatisticsView_CPUTimeColumn
;
85 private final String CUMULATIVE_CPU_TIME_COLUMN
= Messages
.StatisticsView_CumCPUTimeColumn
;
86 private final String ELAPSED_TIME_COLUMN
= Messages
.StatisticsView_ElapsedTimeColumn
;
88 // Table column tooltips
89 private final String LEVEL_COLUMN_TIP
= Messages
.StatisticsView_LevelColumnTip
;
90 private final String EVENTS_COUNT_COLUMN_TIP
= Messages
.StatisticsView_NbEventsTip
;
91 private final String CPU_TIME_COLUMN_TIP
= Messages
.StatisticsView_CPUTimeTip
;
92 private final String CUMULATIVE_CPU_TIME_COLUMN_TIP
= Messages
.StatisticsView_CumCPUTimeTip
;
93 private final String ELAPSED_TIME_COLUMN_TIP
= Messages
.StatisticsView_ElapsedTimeTip
;
95 // Level for which statistics should not be displayed.
96 private Set
<Integer
> folderLevels
= new HashSet
<Integer
>(Arrays
97 .asList(new Integer
[] { KernelStatisticsData
.HEADER_CPUS_INT
,
98 KernelStatisticsData
.HEADER_EVENT_TYPES_INT
,
99 KernelStatisticsData
.HEADER_FUNCTIONS_INT
,
100 KernelStatisticsData
.HEADER_MODES_INT
,
101 KernelStatisticsData
.HEADER_PROCESSES_INT
,
102 KernelStatisticsData
.HEADER_SUBMODES_INT
}));
104 // Levels for which sub-levels should not contain time-related statistics.
105 private Set
<Integer
> levelsWithEmptyTime
= new HashSet
<Integer
>(Arrays
106 .asList(new Integer
[] { KernelStatisticsData
.HEADER_EVENT_TYPES_INT
}));
108 private DecimalFormat decimalFormat
= new DecimalFormat("0.#########"); //$NON-NLS-1$
110 private Cursor fwaitCursor
= null;
112 private static final Long STATS_INPUT_CHANGED_REFRESH
= 5000L;
114 // Used to draw bar charts in columns.
115 private interface ColumnPercentageProvider
{
116 public double getPercentage(StatisticsTreeNode node
);
119 private boolean fStatisticsUpdateBusy
= false;
120 private boolean fStatisticsUpdatePending
= false;
121 private TmfTimeRange fStatisticsUpdateRange
= null;
122 private final Object fStatisticsUpdateSyncObj
= new Object();
125 * Contains all the information necessary to build a column of the table.
127 private class ColumnData
{
128 // Name of the column.
129 public final String header
;
130 // Width of the column.
131 public final int width
;
132 // Alignment of the column.
133 public final int alignment
;
134 // Tooltip of the column.
135 public final String tooltip
;
136 // Adapts a StatisticsTreeNode into the content of it's corresponding
137 // cell for that column.
138 public final ColumnLabelProvider labelProvider
;
139 // Used to sort elements of this column. Can be null.
140 public final ViewerComparator comparator
;
141 // Used to draw bar charts in this column. Can be null.
142 public final ColumnPercentageProvider percentageProvider
;
144 public ColumnData(String h
, int w
, int a
, String t
,
145 ColumnLabelProvider l
, ViewerComparator c
,
146 ColumnPercentageProvider p
) {
153 percentageProvider
= p
;
157 // List that will be used to create the table.
158 private ColumnData
[] columnDataList
= new ColumnData
[] {
159 new ColumnData(LEVEL_COLUMN
, 200, SWT
.LEFT
, LEVEL_COLUMN_TIP
,
160 new ColumnLabelProvider() {
162 public String
getText(Object element
) {
163 StatisticsTreeNode node
= (StatisticsTreeNode
) element
;
164 if (folderLevels
.contains(node
.getKey())) {
165 return (KernelStatisticsData
.getCategoryFromId(node
.getKey().intValue()));
167 return node
.getName();
172 public Image
getImage(Object element
) {
173 StatisticsTreeNode node
= (StatisticsTreeNode
) element
;
174 if (folderLevels
.contains(node
.getKey())) {
175 return PlatformUI
.getWorkbench()
176 .getSharedImages().getImage(
177 ISharedImages
.IMG_OBJ_FOLDER
);
179 return PlatformUI
.getWorkbench()
180 .getSharedImages().getImage(
181 ISharedImages
.IMG_OBJ_ELEMENT
);
184 }, new ViewerComparator() {
186 public int compare(Viewer viewer
, Object e1
, Object e2
) {
187 StatisticsTreeNode n1
= (StatisticsTreeNode
) e1
;
188 StatisticsTreeNode n2
= (StatisticsTreeNode
) e2
;
190 // return n1.getKey().compareTo(n2.getKey());
191 return n1
.compareTo(n2
);
194 new ColumnData(EVENTS_COUNT_COLUMN
, 125, SWT
.LEFT
,
195 EVENTS_COUNT_COLUMN_TIP
, new ColumnLabelProvider() {
197 public String
getText(Object element
) {
198 StatisticsTreeNode node
= (StatisticsTreeNode
) element
;
199 if (!folderLevels
.contains(node
.getKey())) {
200 return Long
.toString(node
.getValue().nbEvents
);
202 return ""; //$NON-NLS-1$
205 }, new ViewerComparator() {
207 public int compare(Viewer viewer
, Object e1
, Object e2
) {
208 StatisticsTreeNode n1
= (StatisticsTreeNode
) e1
;
209 StatisticsTreeNode n2
= (StatisticsTreeNode
) e2
;
211 return (int) (n1
.getValue().nbEvents
- n2
212 .getValue().nbEvents
);
214 }, new ColumnPercentageProvider() {
216 public double getPercentage(StatisticsTreeNode node
) {
217 StatisticsTreeNode parent
= node
;
219 parent
= parent
.getParent();
220 } while (parent
!= null
221 && parent
.getValue().nbEvents
== 0);
223 if (parent
== null) {
226 return (double) node
.getValue().nbEvents
227 / parent
.getValue().nbEvents
;
231 new ColumnData(CPU_TIME_COLUMN
, 125, SWT
.LEFT
, CPU_TIME_COLUMN_TIP
,
232 new ColumnLabelProvider() {
234 public String
getText(Object element
) {
235 StatisticsTreeNode node
= (StatisticsTreeNode
) element
;
237 if (folderLevels
.contains(node
.getKey())) {
238 return ""; //$NON-NLS-1$
239 } else if (node
.getParent() != null
240 && levelsWithEmptyTime
.contains(node
241 .getParent().getKey())) {
242 return ""; //$NON-NLS-1$
245 .format(node
.getValue().cpuTime
250 new ColumnData(CUMULATIVE_CPU_TIME_COLUMN
, 155, SWT
.LEFT
,
251 CUMULATIVE_CPU_TIME_COLUMN_TIP
, new ColumnLabelProvider() {
253 public String
getText(Object element
) {
254 StatisticsTreeNode node
= (StatisticsTreeNode
) element
;
255 if (folderLevels
.contains(node
.getKey())) {
256 return ""; //$NON-NLS-1$
257 } else if (node
.getParent() != null
258 && levelsWithEmptyTime
.contains(node
259 .getParent().getKey())) {
260 return ""; //$NON-NLS-1$
263 .format(node
.getValue().cumulativeCpuTime
268 new ColumnData(ELAPSED_TIME_COLUMN
, 100, SWT
.LEFT
,
269 ELAPSED_TIME_COLUMN_TIP
, new ColumnLabelProvider() {
271 public String
getText(Object element
) {
272 StatisticsTreeNode node
= (StatisticsTreeNode
) element
;
273 if (folderLevels
.contains(node
.getKey())) {
274 return ""; //$NON-NLS-1$
275 } else if (node
.getParent() != null
276 && levelsWithEmptyTime
.contains(node
277 .getParent().getKey())) {
278 return ""; //$NON-NLS-1$
281 .format(node
.getValue().elapsedTime
288 * Adapter TreeViewers can use to interact with StatisticsTreeNode objects.
290 * @see org.eclipse.jface.viewers.ITreeContentProvider
292 class TreeContentProvider
implements ITreeContentProvider
{
297 * org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang
301 public Object
[] getChildren(Object parentElement
) {
302 return ((StatisticsTreeNode
) parentElement
).getChildren().toArray();
309 * org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang
313 public Object
getParent(Object element
) {
314 return ((StatisticsTreeNode
) element
).getParent();
321 * org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang
325 public boolean hasChildren(Object element
) {
326 return ((StatisticsTreeNode
) element
).hasChildren();
333 * org.eclipse.jface.viewers.IStructuredContentProvider#getElements(
337 public Object
[] getElements(Object inputElement
) {
338 return getChildren(inputElement
);
344 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
347 public void dispose() {
354 * org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse
355 * .jface.viewers.Viewer, java.lang.Object, java.lang.Object)
359 public void inputChanged(Viewer viewer
, Object oldInput
, Object newInput
) {
363 public StatisticsView(String viewName
) {
367 private static final String STATISTICS_VIEW
= "StatisticsView"; //$NON-NLS-1$
368 public StatisticsView() {
369 this(STATISTICS_VIEW
);
376 * org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets
380 public void createPartControl(Composite parent
) {
381 parent
.setLayout(new FillLayout());
383 treeViewer
= new TreeViewer(parent
, SWT
.BORDER
| SWT
.H_SCROLL
385 treeViewer
.setContentProvider(new TreeContentProvider());
386 treeViewer
.getTree().setHeaderVisible(true);
387 treeViewer
.setUseHashlookup(true);
389 for (final ColumnData columnData
: columnDataList
) {
390 final TreeViewerColumn treeColumn
= new TreeViewerColumn(
391 treeViewer
, columnData
.alignment
);
392 treeColumn
.getColumn().setText(columnData
.header
);
393 treeColumn
.getColumn().setWidth(columnData
.width
);
394 treeColumn
.getColumn().setToolTipText(columnData
.tooltip
);
395 if (columnData
.comparator
!= null) {
396 treeColumn
.getColumn().addSelectionListener(
397 new SelectionAdapter() {
399 public void widgetSelected(SelectionEvent e
) {
400 if (treeViewer
.getTree().getSortDirection() == SWT
.UP
401 || treeViewer
.getTree().getSortColumn() != treeColumn
404 .setComparator(columnData
.comparator
);
405 treeViewer
.getTree().setSortDirection(
409 .setComparator(new ViewerComparator() {
413 Object e1
, Object e2
) {
415 * columnData
.comparator
422 treeViewer
.getTree().setSortDirection(
425 treeViewer
.getTree().setSortColumn(
426 treeColumn
.getColumn());
430 treeColumn
.setLabelProvider(columnData
.labelProvider
);
433 // Handler that will draw the bar charts.
434 treeViewer
.getTree().addListener(SWT
.EraseItem
, new Listener() {
437 public void handleEvent(Event event
) {
438 if (columnDataList
[event
.index
].percentageProvider
!= null) {
439 StatisticsTreeNode node
= (StatisticsTreeNode
) event
.item
442 double percentage
= columnDataList
[event
.index
].percentageProvider
443 .getPercentage(node
);
444 if (percentage
== 0) {
448 if ((event
.detail
& SWT
.SELECTED
) > 0) {
449 Color oldForeground
= event
.gc
.getForeground();
450 event
.gc
.setForeground(event
.item
.getDisplay()
451 .getSystemColor(SWT
.COLOR_LIST_SELECTION
));
452 event
.gc
.fillRectangle(event
.x
, event
.y
, event
.width
,
454 event
.gc
.setForeground(oldForeground
);
455 event
.detail
&= ~SWT
.SELECTED
;
458 int barWidth
= (int) ((treeViewer
.getTree().getColumn(1)
459 .getWidth() - 8) * percentage
);
460 int oldAlpha
= event
.gc
.getAlpha();
461 Color oldForeground
= event
.gc
.getForeground();
462 Color oldBackground
= event
.gc
.getBackground();
463 event
.gc
.setAlpha(64);
464 event
.gc
.setForeground(event
.item
.getDisplay()
465 .getSystemColor(SWT
.COLOR_BLUE
));
466 event
.gc
.setBackground(event
.item
.getDisplay()
467 .getSystemColor(SWT
.COLOR_LIST_BACKGROUND
));
468 event
.gc
.fillGradientRectangle(event
.x
, event
.y
, barWidth
,
470 event
.gc
.drawRectangle(event
.x
, event
.y
, barWidth
,
472 event
.gc
.setForeground(oldForeground
);
473 event
.gc
.setBackground(oldBackground
);
474 event
.gc
.setAlpha(oldAlpha
);
475 event
.detail
&= ~SWT
.BACKGROUND
;
480 treeViewer
.setComparator(columnDataList
[0].comparator
);
481 treeViewer
.getTree().setSortColumn(treeViewer
.getTree().getColumn(0));
482 treeViewer
.getTree().setSortDirection(SWT
.DOWN
);
484 // Read current data if any available
485 TmfExperiment
<?
> experiment
= TmfExperiment
.getCurrentExperiment();
486 if (experiment
!= null) {
488 @SuppressWarnings({ "rawtypes", "unchecked" })
489 TmfExperimentSelectedSignal
<?
> signal
= new TmfExperimentSelectedSignal(this, experiment
);
490 experimentSelected(signal
);
493 TraceDebug
.debug("No selected experiment information available"); //$NON-NLS-1$
498 public void dispose() {
500 if (fwaitCursor
!= null) {
501 fwaitCursor
.dispose();
505 StatisticsTreeRootFactory
.removeAll();
511 * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
514 public void setFocus() {
515 treeViewer
.getTree().setFocus();
521 * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#getInputChangedRefresh()
524 protected Long
getInputChangedRefresh() {
525 return STATS_INPUT_CHANGED_REFRESH
;
532 public AbsEventToHandlerResolver
getEventProcessor() {
533 return StatsTimeCountHandlerFactory
.getInstance();
540 * org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#waitCursor
544 protected void waitCursor(final boolean waitInd
) {
545 if ((treeViewer
== null) || (treeViewer
.getTree().isDisposed())) {
549 Display display
= treeViewer
.getControl().getDisplay();
550 if (fwaitCursor
== null) {
551 fwaitCursor
= new Cursor(display
, SWT
.CURSOR_WAIT
);
554 // Perform the updates on the UI thread
555 display
.asyncExec(new Runnable() {
558 if ((treeViewer
!= null) && (!treeViewer
.getTree().isDisposed())) {
559 Cursor cursor
= null; /* indicates default */
561 cursor
= fwaitCursor
;
563 treeViewer
.getControl().setCursor(cursor
);
570 public void ModelUpdatePrep(TmfTimeRange timeRange
, boolean clearAllData
) {
571 Object input
= treeViewer
.getInput();
572 if ((input
!= null) && (input
instanceof StatisticsTreeNode
) && (!treeViewer
.getTree().isDisposed())) {
574 ((StatisticsTreeNode
) input
).reset();
576 treeViewer
.getTree().getDisplay().asyncExec(new Runnable() {
580 if (!treeViewer
.getTree().isDisposed())
581 treeViewer
.refresh();
588 public void modelInputChanged(ILttngSyntEventRequest request
, boolean complete
) {
589 // Ignore update if disposed
590 if (treeViewer
.getTree().isDisposed()) return;
592 if(TraceDebug
.isSV() && complete
) {
595 TmfExperiment
<?
> experiment
= TmfExperiment
.getCurrentExperiment();
596 if(experiment
!= null) {
597 StatisticsTreeNode node
= StatisticsTreeRootFactory
.getStatTreeRoot(experiment
.getName());
598 printRecursively(node
);
603 treeViewer
.getTree().getDisplay().asyncExec(new Runnable() {
607 if (!treeViewer
.getTree().isDisposed())
608 treeViewer
.refresh();
613 synchronized (fStatisticsUpdateSyncObj
) {
614 fStatisticsUpdateBusy
= false;
615 if (fStatisticsUpdatePending
) {
616 fStatisticsUpdatePending
= false;
617 requestData(TmfExperiment
.getCurrentExperiment(), fStatisticsUpdateRange
, false);
624 private static int level
= 0;
625 private void printRecursively(StatisticsTreeNode node
) {
626 String tab
= ""; //$NON-NLS-1$
627 for (int i
= 0; i
< level
; i
++) {
628 tab
+= "\t"; //$NON-NLS-1$
631 TraceDebug
.traceSV(tab
+ node
.getContent());
632 if (node
.hasChildren()) {
633 LinkedList
<StatisticsTreeNode
> childreen
= (LinkedList
<StatisticsTreeNode
>)node
.getChildren();
634 Collections
.sort(childreen
);
636 for (Iterator
<StatisticsTreeNode
> iterator
= childreen
.iterator(); iterator
.hasNext();) {
637 StatisticsTreeNode statisticsTreeNode
= (StatisticsTreeNode
) iterator
.next();
638 printRecursively(statisticsTreeNode
);
647 * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#
649 * (org.eclipse.linuxtools.lttng.request.ILttngSyntEventRequest)
652 public void modelIncomplete(ILttngSyntEventRequest request
) {
653 Object input
= treeViewer
.getInput();
654 if (input
!= null && input
instanceof StatisticsTreeNode
) {
655 // The data from this experiment is invalid and shall be removed to
656 // refresh upon next selection
657 String name
= request
.getExperimentName();
658 StatisticsTreeRootFactory
.removeStatTreeRoot(name
);
666 public void experimentSelected(TmfExperimentSelectedSignal
<?
extends TmfEvent
> signal
) {
667 if (signal
!= null) {
668 TmfExperiment
<?
> experiment
= signal
.getExperiment();
669 String experimentName
= experiment
.getName();
671 if (StatisticsTreeRootFactory
.containsTreeRoot(experimentName
)) {
672 // The experiment root is already present
673 StatisticsTreeNode experimentTreeNode
= StatisticsTreeRootFactory
.getStatTreeRoot(experimentName
);
675 ITmfTrace
[] traces
= experiment
.getTraces();
677 LTTngTreeNode expNode
= StateManagerFactory
.getExperimentManager().getSelectedExperiment();
679 // check if there is partial data loaded in the experiment
680 int numTraces
= experiment
.getTraces().length
;
681 int numNodeTraces
= experimentTreeNode
.getNbChildren();
683 if (numTraces
== numNodeTraces
) {
685 // Detect if the experiment contains the same traces as when
686 // previously selected
687 for (int i
= 0; i
< numTraces
; i
++) {
688 String traceName
= traces
[i
].getName();
689 LTTngTreeNode child
= expNode
.getChildByName(traceName
);
690 if ((child
== null) || (!experimentTreeNode
.containsChild(child
.getId().intValue()))) {
697 // no need to reload data, all traces are already loaded
698 treeViewer
.setInput(experimentTreeNode
);
699 synchronized (fStatisticsUpdateSyncObj
) {
700 fStatisticsUpdateBusy
= false;
701 fStatisticsUpdatePending
= false;
708 StatisticsTreeNode treeModelRoot
= StatisticsTreeRootFactory
.getStatTreeRoot(experiment
.getName());
710 // if the model has contents, clear to start over
711 if (treeModelRoot
.hasChildren()) {
712 treeModelRoot
.reset();
715 // set input to a clean data model
716 treeViewer
.setInput(treeModelRoot
);
718 synchronized (fStatisticsUpdateSyncObj
) {
719 fStatisticsUpdateBusy
= false;
720 fStatisticsUpdatePending
= false;
723 // if the data is not available or has changed, reload it
724 requestData(experiment
, experiment
.getTimeRange(), true);
731 @SuppressWarnings("unchecked")
733 public void experimentRangeUpdated(TmfExperimentRangeUpdatedSignal signal
) {
734 TmfExperiment
<LttngEvent
> experiment
= (TmfExperiment
<LttngEvent
>) signal
.getExperiment();
736 if (! experiment
.equals(TmfExperiment
.getCurrentExperiment())) {
740 requestData(experiment
, signal
.getRange(), false);
746 private void requestData(TmfExperiment
<?
> experiment
, TmfTimeRange range
, boolean clearingData
) {
747 if (experiment
!= null) {
748 synchronized (fStatisticsUpdateSyncObj
) {
749 if (fStatisticsUpdateBusy
) {
750 fStatisticsUpdatePending
= true;
751 fStatisticsUpdateRange
= range
;
754 fStatisticsUpdateBusy
= true;
759 for (StatisticsTreeNode node
: ((StatisticsTreeNode
) treeViewer
.getInput()).getChildren()) {
760 index
+= (int) node
.getValue().nbEvents
;
763 // send the initial request, to start filling up model
764 //eventRequest(fStatisticsUpdateIndex, nbRequested, fStatisticsUpdateStartTime, clearingData, ExecutionType.BACKGROUND);
765 eventRequest(index
, range
, clearingData
, ExecutionType
.BACKGROUND
);
767 TraceDebug
.debug("No selected experiment information available"); //$NON-NLS-1$
775 * org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#displayModel
776 * (org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.model.
777 * ITmfTimeAnalysisEntry[], long, long, boolean, long, long,
781 protected void displayModel(ITmfTimeAnalysisEntry
[] items
, long startBoundTime
, long endBoundTime
,
782 boolean updateTimeBounds
, long startVisibleWindow
, long endVisibleWindow
, Object source
) {
783 // No applicable to statistics view
789 * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#
793 protected ParamsUpdater
getParamsUpdater() {
794 // Not applicable to statistics view
799 protected ItemContainer
<?
> getItemContainer() {
800 // Not applicable to statistics view
806 * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#getProviderId()
809 protected int getProviderId() {
810 return LttngCoreProviderFactory
.STATISTICS_LTTNG_SYTH_EVENT_PROVIDER
;