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6151d86c | 1 | /******************************************************************************* |
263c3747 | 2 | * Copyright (c) 2012, 2016 Ericsson, École Polytechnique de Montréal |
6151d86c PT |
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 | |
4999a196 | 11 | * Geneviève Bastien - Move code to provide base classes for time graph views |
6151d86c PT |
12 | *******************************************************************************/ |
13 | ||
e363eae1 | 14 | package org.eclipse.tracecompass.analysis.os.linux.ui.views.resources; |
6151d86c PT |
15 | |
16 | import java.util.ArrayList; | |
1cf25311 | 17 | import java.util.Collections; |
9ba941e9 | 18 | import java.util.Comparator; |
1cf25311 | 19 | import java.util.HashMap; |
6151d86c | 20 | import java.util.List; |
1cf25311 | 21 | import java.util.Map; |
6151d86c PT |
22 | |
23 | import org.eclipse.core.runtime.IProgressMonitor; | |
19ed6598 MK |
24 | import org.eclipse.core.runtime.IStatus; |
25 | import org.eclipse.core.runtime.Status; | |
8213a0c0 | 26 | import org.eclipse.jdt.annotation.NonNull; |
d2120fb6 | 27 | import org.eclipse.jdt.annotation.Nullable; |
9bdf1671 BH |
28 | import org.eclipse.jface.action.IMenuManager; |
29 | import org.eclipse.jface.viewers.ISelection; | |
30 | import org.eclipse.jface.viewers.IStructuredSelection; | |
024658d1 | 31 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule; |
8c684b48 | 32 | import org.eclipse.tracecompass.analysis.os.linux.core.signals.TmfCpuSelectedSignal; |
e363eae1 | 33 | import org.eclipse.tracecompass.analysis.os.linux.ui.views.resources.ResourcesEntry.Type; |
f69045e2 | 34 | import org.eclipse.tracecompass.internal.analysis.os.linux.core.kernel.Attributes; |
e363eae1 | 35 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.Messages; |
8c684b48 MK |
36 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.actions.FollowCpuAction; |
37 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.actions.UnfollowCpuAction; | |
e894a508 AM |
38 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem; |
39 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; | |
e894a508 | 40 | import org.eclipse.tracecompass.statesystem.core.interval.ITmfStateInterval; |
8c684b48 | 41 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; |
2bdf0193 AM |
42 | import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule; |
43 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
8213a0c0 | 44 | import org.eclipse.tracecompass.tmf.ui.views.timegraph.AbstractStateSystemTimeGraphView; |
2bdf0193 AM |
45 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeEvent; |
46 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; | |
47 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.NullTimeEvent; | |
48 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeEvent; | |
49 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeGraphEntry; | |
6151d86c PT |
50 | |
51 | /** | |
52 | * Main implementation for the LTTng 2.0 kernel Resource view | |
53 | * | |
54 | * @author Patrick Tasse | |
55 | */ | |
8213a0c0 | 56 | public class ResourcesView extends AbstractStateSystemTimeGraphView { |
6151d86c PT |
57 | |
58 | /** View ID. */ | |
e363eae1 | 59 | public static final String ID = "org.eclipse.tracecompass.analysis.os.linux.views.resources"; //$NON-NLS-1$ |
6151d86c | 60 | |
4999a196 | 61 | private static final String[] FILTER_COLUMN_NAMES = new String[] { |
747adf5c | 62 | Messages.ResourcesView_stateTypeName |
4999a196 | 63 | }; |
6151d86c | 64 | |
8c684b48 MK |
65 | private int fCurrentCpu = -1; |
66 | ||
1cf25311 PT |
67 | // Timeout between updates in the build thread in ms |
68 | private static final long BUILD_UPDATE_TIMEOUT = 500; | |
69 | ||
6151d86c PT |
70 | // ------------------------------------------------------------------------ |
71 | // Constructors | |
72 | // ------------------------------------------------------------------------ | |
73 | ||
74 | /** | |
75 | * Default constructor | |
76 | */ | |
77 | public ResourcesView() { | |
747adf5c PT |
78 | super(ID, new ResourcesPresentationProvider()); |
79 | setFilterColumns(FILTER_COLUMN_NAMES); | |
bb447fcb | 80 | setFilterLabelProvider(new ResourcesFilterLabelProvider()); |
263c3747 | 81 | setEntryComparator(new ResourcesEntryComparator()); |
19ed6598 | 82 | setAutoExpandLevel(1); |
263c3747 PT |
83 | } |
84 | ||
85 | private static class ResourcesEntryComparator implements Comparator<ITimeGraphEntry> { | |
86 | @Override | |
87 | public int compare(ITimeGraphEntry o1, ITimeGraphEntry o2) { | |
88 | ResourcesEntry entry1 = (ResourcesEntry) o1; | |
89 | ResourcesEntry entry2 = (ResourcesEntry) o2; | |
90 | if (entry1.getType() == Type.NULL && entry2.getType() == Type.NULL) { | |
91 | /* sort trace entries alphabetically */ | |
92 | return entry1.getName().compareTo(entry2.getName()); | |
93 | } | |
94 | /* sort resource entries by their defined order */ | |
95 | return entry1.compareTo(entry2); | |
96 | } | |
bb447fcb PT |
97 | } |
98 | ||
8c684b48 | 99 | |
9bdf1671 BH |
100 | /** |
101 | * @since 2.0 | |
102 | */ | |
103 | @Override | |
104 | protected void fillTimeGraphEntryContextMenu(@NonNull IMenuManager menuManager) { | |
105 | ISelection selection = getSite().getSelectionProvider().getSelection(); | |
106 | if (selection instanceof IStructuredSelection) { | |
107 | IStructuredSelection sSel = (IStructuredSelection) selection; | |
108 | if (sSel.getFirstElement() instanceof ResourcesEntry) { | |
109 | ResourcesEntry resourcesEntry = (ResourcesEntry) sSel.getFirstElement(); | |
110 | if (resourcesEntry.getType().equals(ResourcesEntry.Type.CPU)) { | |
111 | if (fCurrentCpu >= 0) { | |
112 | menuManager.add(new UnfollowCpuAction(ResourcesView.this, resourcesEntry.getId(), resourcesEntry.getTrace())); | |
113 | } else { | |
114 | menuManager.add(new FollowCpuAction(ResourcesView.this, resourcesEntry.getId(), resourcesEntry.getTrace())); | |
8c684b48 MK |
115 | } |
116 | } | |
117 | } | |
9bdf1671 | 118 | } |
8c684b48 MK |
119 | } |
120 | ||
bb447fcb PT |
121 | private static class ResourcesFilterLabelProvider extends TreeLabelProvider { |
122 | @Override | |
123 | public String getColumnText(Object element, int columnIndex) { | |
124 | ResourcesEntry entry = (ResourcesEntry) element; | |
125 | if (columnIndex == 0) { | |
126 | return entry.getName(); | |
127 | } | |
128 | return ""; //$NON-NLS-1$ | |
129 | } | |
130 | ||
6151d86c PT |
131 | } |
132 | ||
1cf25311 PT |
133 | // ------------------------------------------------------------------------ |
134 | // Internal | |
135 | // ------------------------------------------------------------------------ | |
136 | ||
6151d86c | 137 | @Override |
4999a196 GB |
138 | protected String getNextText() { |
139 | return Messages.ResourcesView_nextResourceActionNameText; | |
6151d86c PT |
140 | } |
141 | ||
6151d86c | 142 | @Override |
4999a196 GB |
143 | protected String getNextTooltip() { |
144 | return Messages.ResourcesView_nextResourceActionToolTipText; | |
fec1ac0b BH |
145 | } |
146 | ||
4999a196 GB |
147 | @Override |
148 | protected String getPrevText() { | |
149 | return Messages.ResourcesView_previousResourceActionNameText; | |
6151d86c PT |
150 | } |
151 | ||
4999a196 GB |
152 | @Override |
153 | protected String getPrevTooltip() { | |
154 | return Messages.ResourcesView_previousResourceActionToolTipText; | |
6151d86c PT |
155 | } |
156 | ||
4999a196 | 157 | @Override |
f8f46a52 | 158 | protected void buildEntryList(ITmfTrace trace, ITmfTrace parentTrace, final IProgressMonitor monitor) { |
8213a0c0 | 159 | final ITmfStateSystem ssq = TmfStateSystemAnalysisModule.getStateSystem(trace, KernelAnalysisModule.ID); |
1cf25311 PT |
160 | if (ssq == null) { |
161 | return; | |
162 | } | |
fec1ac0b | 163 | |
1cf25311 PT |
164 | Map<Integer, ResourcesEntry> entryMap = new HashMap<>(); |
165 | TimeGraphEntry traceEntry = null; | |
166 | ||
167 | long startTime = ssq.getStartTime(); | |
168 | long start = startTime; | |
169 | setStartTime(Math.min(getStartTime(), startTime)); | |
170 | boolean complete = false; | |
171 | while (!complete) { | |
faa38350 PT |
172 | if (monitor.isCanceled()) { |
173 | return; | |
174 | } | |
1cf25311 PT |
175 | complete = ssq.waitUntilBuilt(BUILD_UPDATE_TIMEOUT); |
176 | if (ssq.isCancelled()) { | |
177 | return; | |
178 | } | |
179 | long end = ssq.getCurrentEndTime(); | |
19ed6598 MK |
180 | if (start == end && !complete) { |
181 | // when complete execute one last time regardless of end time | |
1cf25311 PT |
182 | continue; |
183 | } | |
184 | long endTime = end + 1; | |
185 | setEndTime(Math.max(getEndTime(), endTime)); | |
186 | ||
187 | if (traceEntry == null) { | |
188 | traceEntry = new ResourcesEntry(trace, trace.getName(), startTime, endTime, 0); | |
189 | List<TimeGraphEntry> entryList = Collections.singletonList(traceEntry); | |
8213a0c0 | 190 | addToEntryList(parentTrace, ssq, entryList); |
1cf25311 PT |
191 | } else { |
192 | traceEntry.updateEndTime(endTime); | |
193 | } | |
1cf25311 | 194 | List<Integer> cpuQuarks = ssq.getQuarks(Attributes.CPUS, "*"); //$NON-NLS-1$ |
19ed6598 | 195 | createCpuEntriesWithQuark(trace, ssq, entryMap, traceEntry, startTime, endTime, cpuQuarks); |
1cf25311 PT |
196 | if (parentTrace.equals(getTrace())) { |
197 | refresh(); | |
faa38350 | 198 | } |
f8f46a52 | 199 | final List<@NonNull TimeGraphEntry> traceEntryChildren = traceEntry.getChildren(); |
8213a0c0 PT |
200 | final long resolution = Math.max(1, (endTime - ssq.getStartTime()) / getDisplayWidth()); |
201 | final long qStart = start; | |
202 | final long qEnd = end; | |
203 | queryFullStates(ssq, qStart, qEnd, resolution, monitor, new IQueryHandler() { | |
204 | @Override | |
205 | public void handle(List<List<ITmfStateInterval>> fullStates, List<ITmfStateInterval> prevFullState) { | |
f8f46a52 | 206 | for (TimeGraphEntry child : traceEntryChildren) { |
19ed6598 | 207 | if (!populateEventsRecursively(fullStates, prevFullState, child).isOK()) { |
8213a0c0 PT |
208 | return; |
209 | } | |
19ed6598 MK |
210 | } |
211 | } | |
212 | ||
f8f46a52 | 213 | private IStatus populateEventsRecursively(@NonNull List<List<ITmfStateInterval>> fullStates, @Nullable List<ITmfStateInterval> prevFullState, @NonNull TimeGraphEntry entry) { |
19ed6598 MK |
214 | if (monitor.isCanceled()) { |
215 | return Status.CANCEL_STATUS; | |
216 | } | |
f8f46a52 PT |
217 | List<ITimeEvent> eventList = getEventList(entry, ssq, fullStates, prevFullState, monitor); |
218 | if (eventList != null) { | |
219 | for (ITimeEvent event : eventList) { | |
220 | entry.addEvent(event); | |
a3188982 | 221 | } |
1cf25311 | 222 | } |
f8f46a52 | 223 | for (TimeGraphEntry child : entry.getChildren()) { |
19ed6598 MK |
224 | IStatus status = populateEventsRecursively(fullStates, prevFullState, child); |
225 | if (!status.isOK()) { | |
226 | return status; | |
227 | } | |
228 | } | |
229 | return Status.OK_STATUS; | |
1cf25311 | 230 | } |
8213a0c0 | 231 | }); |
1cf25311 PT |
232 | |
233 | start = end; | |
6151d86c | 234 | } |
19ed6598 MK |
235 | |
236 | } | |
237 | ||
238 | private static void createCpuEntriesWithQuark(@NonNull ITmfTrace trace, final ITmfStateSystem ssq, Map<Integer, ResourcesEntry> entryMap, TimeGraphEntry traceEntry, long startTime, long endTime, List<Integer> cpuQuarks) { | |
239 | for (Integer cpuQuark : cpuQuarks) { | |
240 | final @NonNull String cpuName = ssq.getAttributeName(cpuQuark); | |
241 | int cpu = Integer.parseInt(cpuName); | |
242 | ResourcesEntry cpuEntry = entryMap.get(cpuQuark); | |
243 | if (cpuEntry == null) { | |
244 | cpuEntry = new ResourcesEntry(cpuQuark, trace, startTime, endTime, Type.CPU, cpu); | |
245 | entryMap.put(cpuQuark, cpuEntry); | |
246 | traceEntry.addChild(cpuEntry); | |
247 | } else { | |
248 | cpuEntry.updateEndTime(endTime); | |
249 | } | |
250 | List<Integer> irqQuarks = ssq.getQuarks(Attributes.CPUS, cpuName, Attributes.IRQS, "*"); //$NON-NLS-1$ | |
251 | createCpuInterruptEntryWithQuark(trace, ssq, entryMap, startTime, endTime, traceEntry, cpuEntry, irqQuarks, Type.IRQ); | |
252 | List<Integer> softIrqQuarks = ssq.getQuarks(Attributes.CPUS, cpuName, Attributes.SOFT_IRQS, "*"); //$NON-NLS-1$ | |
253 | createCpuInterruptEntryWithQuark(trace, ssq, entryMap, startTime, endTime, traceEntry, cpuEntry, softIrqQuarks, Type.SOFT_IRQ); | |
254 | } | |
255 | } | |
256 | ||
257 | /** | |
258 | * Create and add execution contexts to a cpu entry. Also creates an | |
259 | * aggregate entry in the root trace entry. The execution context is | |
260 | * basically what the cpu is doing in its execution stack. It can be in an | |
261 | * IRQ, Soft IRQ. MCEs, NMIs, Userland and Kernel execution is not yet | |
262 | * supported. | |
263 | * | |
264 | * @param trace | |
265 | * the trace | |
266 | * @param ssq | |
267 | * the state system | |
268 | * @param entryMap | |
269 | * the entry map | |
270 | * @param startTime | |
271 | * the start time in nanoseconds | |
272 | * @param endTime | |
273 | * the end time in nanoseconds | |
274 | * @param traceEntry | |
275 | * the trace timegraph entry | |
276 | * @param cpuEntry | |
277 | * the cpu timegraph entry (the entry under the trace entry | |
278 | * @param childrenQuarks | |
279 | * the quarks to add to cpu entry | |
280 | * @param type | |
281 | * the type of entry being added | |
282 | */ | |
283 | private static void createCpuInterruptEntryWithQuark(@NonNull ITmfTrace trace, | |
284 | final ITmfStateSystem ssq, Map<Integer, ResourcesEntry> entryMap, | |
285 | long startTime, long endTime, | |
286 | TimeGraphEntry traceEntry, ResourcesEntry cpuEntry, | |
287 | List<Integer> childrenQuarks, Type type) { | |
288 | for (Integer quark : childrenQuarks) { | |
289 | final @NonNull String resourceName = ssq.getAttributeName(quark); | |
290 | int resourceId = Integer.parseInt(resourceName); | |
291 | ResourcesEntry interruptEntry = entryMap.get(quark); | |
292 | if (interruptEntry == null) { | |
293 | interruptEntry = new ResourcesEntry(quark, trace, startTime, endTime, type, resourceId); | |
294 | entryMap.put(quark, interruptEntry); | |
295 | cpuEntry.addChild(interruptEntry); | |
296 | boolean found = false; | |
297 | for (ITimeGraphEntry rootElem : traceEntry.getChildren()) { | |
298 | if (rootElem instanceof AggregateResourcesEntry) { | |
299 | AggregateResourcesEntry aggregateInterruptEntry = (AggregateResourcesEntry) rootElem; | |
300 | if (aggregateInterruptEntry.getId() == resourceId && aggregateInterruptEntry.getType().equals(type)) { | |
301 | found = true; | |
302 | aggregateInterruptEntry.addContributor(interruptEntry); | |
ff0b7e58 MK |
303 | final AggregateResourcesEntry irqCpuEntry = new AggregateResourcesEntry(trace, cpuEntry.getName(), startTime, endTime, type, cpuEntry.getId()); |
304 | irqCpuEntry.addContributor(interruptEntry); | |
305 | aggregateInterruptEntry.addChild(irqCpuEntry); | |
19ed6598 MK |
306 | break; |
307 | } | |
308 | } | |
309 | } | |
310 | if (!found) { | |
311 | AggregateResourcesEntry aggregateInterruptEntry = new AggregateResourcesEntry(trace, startTime, endTime, type, resourceId); | |
312 | aggregateInterruptEntry.addContributor(interruptEntry); | |
ff0b7e58 MK |
313 | final AggregateResourcesEntry irqCpuEntry = new AggregateResourcesEntry(trace, cpuEntry.getName(), startTime, endTime, type, cpuEntry.getId()); |
314 | irqCpuEntry.addContributor(interruptEntry); | |
315 | aggregateInterruptEntry.addChild(irqCpuEntry); | |
19ed6598 MK |
316 | traceEntry.addChild(aggregateInterruptEntry); |
317 | } | |
318 | } else { | |
319 | interruptEntry.updateEndTime(endTime); | |
320 | } | |
321 | } | |
6151d86c PT |
322 | } |
323 | ||
4999a196 | 324 | @Override |
8213a0c0 PT |
325 | protected @Nullable List<ITimeEvent> getEventList(@NonNull TimeGraphEntry entry, ITmfStateSystem ssq, |
326 | @NonNull List<List<ITmfStateInterval>> fullStates, @Nullable List<ITmfStateInterval> prevFullState, @NonNull IProgressMonitor monitor) { | |
1d46dc38 | 327 | ResourcesEntry resourcesEntry = (ResourcesEntry) entry; |
4999a196 GB |
328 | int quark = resourcesEntry.getQuark(); |
329 | ||
8213a0c0 | 330 | if (resourcesEntry.getType().equals(Type.CPU)) { |
19ed6598 MK |
331 | return createCpuEventsList(entry, ssq, fullStates, prevFullState, monitor, quark); |
332 | } else if ((resourcesEntry.getType().equals(Type.IRQ) || resourcesEntry.getType().equals(Type.SOFT_IRQ)) && (quark >= 0)) { | |
333 | return createIrqEventsList(entry, fullStates, prevFullState, monitor, quark); | |
334 | } | |
335 | ||
336 | return null; | |
337 | } | |
338 | ||
f8f46a52 | 339 | private static List<ITimeEvent> createCpuEventsList(ITimeGraphEntry entry, ITmfStateSystem ssq, List<List<ITmfStateInterval>> fullStates, List<ITmfStateInterval> prevFullState, IProgressMonitor monitor, int quark) { |
19ed6598 MK |
340 | List<ITimeEvent> eventList; |
341 | int statusQuark; | |
342 | try { | |
343 | statusQuark = ssq.getQuarkRelative(quark, Attributes.STATUS); | |
344 | } catch (AttributeNotFoundException e) { | |
345 | /* | |
346 | * The sub-attribute "status" is not available. May happen if the | |
347 | * trace does not have sched_switch events enabled. | |
348 | */ | |
349 | return null; | |
350 | } | |
351 | eventList = new ArrayList<>(fullStates.size()); | |
352 | ITmfStateInterval lastInterval = prevFullState == null || statusQuark >= prevFullState.size() ? null : prevFullState.get(statusQuark); | |
353 | long lastStartTime = lastInterval == null ? -1 : lastInterval.getStartTime(); | |
354 | long lastEndTime = lastInterval == null ? -1 : lastInterval.getEndTime() + 1; | |
355 | for (List<ITmfStateInterval> fullState : fullStates) { | |
356 | if (monitor.isCanceled()) { | |
8213a0c0 PT |
357 | return null; |
358 | } | |
19ed6598 MK |
359 | if (statusQuark >= fullState.size()) { |
360 | /* No information on this CPU (yet?), skip it for now */ | |
361 | continue; | |
8213a0c0 | 362 | } |
19ed6598 MK |
363 | ITmfStateInterval statusInterval = fullState.get(statusQuark); |
364 | int status = statusInterval.getStateValue().unboxInt(); | |
365 | long time = statusInterval.getStartTime(); | |
366 | long duration = statusInterval.getEndTime() - time + 1; | |
367 | if (time == lastStartTime) { | |
368 | continue; | |
369 | } | |
370 | if (!statusInterval.getStateValue().isNull()) { | |
371 | if (lastEndTime != time && lastEndTime != -1) { | |
372 | eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime)); | |
6151d86c | 373 | } |
19ed6598 MK |
374 | eventList.add(new TimeEvent(entry, time, duration, status)); |
375 | } else { | |
376 | eventList.add(new NullTimeEvent(entry, time, duration)); | |
6151d86c | 377 | } |
19ed6598 MK |
378 | lastStartTime = time; |
379 | lastEndTime = time + duration; | |
6151d86c | 380 | } |
19ed6598 MK |
381 | return eventList; |
382 | } | |
8213a0c0 | 383 | |
f8f46a52 | 384 | private static List<ITimeEvent> createIrqEventsList(ITimeGraphEntry entry, List<List<ITmfStateInterval>> fullStates, List<ITmfStateInterval> prevFullState, IProgressMonitor monitor, int quark) { |
19ed6598 MK |
385 | List<ITimeEvent> eventList; |
386 | eventList = new ArrayList<>(fullStates.size()); | |
387 | ITmfStateInterval lastInterval = prevFullState == null || quark >= prevFullState.size() ? null : prevFullState.get(quark); | |
388 | long lastStartTime = lastInterval == null ? -1 : lastInterval.getStartTime(); | |
389 | long lastEndTime = lastInterval == null ? -1 : lastInterval.getEndTime() + 1; | |
390 | boolean lastIsNull = lastInterval == null ? false : lastInterval.getStateValue().isNull(); | |
391 | for (List<ITmfStateInterval> fullState : fullStates) { | |
392 | if (monitor.isCanceled()) { | |
393 | return null; | |
394 | } | |
395 | if (quark >= fullState.size()) { | |
396 | /* No information on this IRQ (yet?), skip it for now */ | |
397 | continue; | |
398 | } | |
399 | ITmfStateInterval irqInterval = fullState.get(quark); | |
400 | long time = irqInterval.getStartTime(); | |
401 | long duration = irqInterval.getEndTime() - time + 1; | |
402 | if (time == lastStartTime) { | |
403 | continue; | |
404 | } | |
405 | if (!irqInterval.getStateValue().isNull()) { | |
406 | int cpu = irqInterval.getStateValue().unboxInt(); | |
407 | eventList.add(new TimeEvent(entry, time, duration, cpu)); | |
408 | lastIsNull = false; | |
409 | } else { | |
410 | if (lastEndTime != time && lastIsNull) { | |
411 | /* | |
412 | * This is a special case where we want to show IRQ_ACTIVE | |
413 | * state but we don't know the CPU (it is between two null | |
414 | * samples) | |
415 | */ | |
416 | eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime, -1)); | |
417 | } | |
418 | eventList.add(new NullTimeEvent(entry, time, duration)); | |
419 | lastIsNull = true; | |
420 | } | |
421 | lastStartTime = time; | |
422 | lastEndTime = time + duration; | |
423 | } | |
6151d86c PT |
424 | return eventList; |
425 | } | |
426 | ||
8c684b48 MK |
427 | /** |
428 | * Signal handler for a cpu selected signal. | |
429 | * | |
430 | * @param signal | |
431 | * the cpu selected signal | |
432 | * @since 2.0 | |
433 | */ | |
434 | @TmfSignalHandler | |
435 | public void listenToCpu(TmfCpuSelectedSignal signal) { | |
436 | if (signal.getCore() >= 0) { | |
437 | fCurrentCpu = signal.getCore(); | |
438 | } else { | |
439 | fCurrentCpu = -1; | |
440 | } | |
441 | } | |
442 | ||
6151d86c | 443 | } |