| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2012, 2014 Ericsson, École Polytechnique de Montréal |
| 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 views |
| 12 | *******************************************************************************/ |
| 13 | |
| 14 | package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources; |
| 15 | |
| 16 | import java.util.ArrayList; |
| 17 | import java.util.Collections; |
| 18 | import java.util.HashMap; |
| 19 | import java.util.List; |
| 20 | import java.util.Map; |
| 21 | |
| 22 | import org.eclipse.core.runtime.IProgressMonitor; |
| 23 | import org.eclipse.jdt.annotation.Nullable; |
| 24 | import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes; |
| 25 | import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Messages; |
| 26 | import org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources.ResourcesEntry.Type; |
| 27 | import org.eclipse.linuxtools.lttng2.kernel.core.analysis.LttngKernelAnalysisModule; |
| 28 | import org.eclipse.linuxtools.statesystem.core.ITmfStateSystem; |
| 29 | import org.eclipse.linuxtools.statesystem.core.exceptions.AttributeNotFoundException; |
| 30 | import org.eclipse.linuxtools.statesystem.core.exceptions.StateSystemDisposedException; |
| 31 | import org.eclipse.linuxtools.statesystem.core.exceptions.StateValueTypeException; |
| 32 | import org.eclipse.linuxtools.statesystem.core.exceptions.TimeRangeException; |
| 33 | import org.eclipse.linuxtools.statesystem.core.interval.ITmfStateInterval; |
| 34 | import org.eclipse.linuxtools.tmf.core.statesystem.TmfStateSystemAnalysisModule; |
| 35 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; |
| 36 | import org.eclipse.linuxtools.tmf.ui.views.timegraph.AbstractTimeGraphView; |
| 37 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent; |
| 38 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; |
| 39 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.NullTimeEvent; |
| 40 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent; |
| 41 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeGraphEntry; |
| 42 | |
| 43 | /** |
| 44 | * Main implementation for the LTTng 2.0 kernel Resource view |
| 45 | * |
| 46 | * @author Patrick Tasse |
| 47 | */ |
| 48 | public class ResourcesView extends AbstractTimeGraphView { |
| 49 | |
| 50 | /** View ID. */ |
| 51 | public static final String ID = "org.eclipse.linuxtools.lttng2.kernel.ui.views.resources"; //$NON-NLS-1$ |
| 52 | |
| 53 | private static final String[] FILTER_COLUMN_NAMES = new String[] { |
| 54 | Messages.ResourcesView_stateTypeName |
| 55 | }; |
| 56 | |
| 57 | // Timeout between updates in the build thread in ms |
| 58 | private static final long BUILD_UPDATE_TIMEOUT = 500; |
| 59 | |
| 60 | // ------------------------------------------------------------------------ |
| 61 | // Constructors |
| 62 | // ------------------------------------------------------------------------ |
| 63 | |
| 64 | /** |
| 65 | * Default constructor |
| 66 | */ |
| 67 | public ResourcesView() { |
| 68 | super(ID, new ResourcesPresentationProvider()); |
| 69 | setFilterColumns(FILTER_COLUMN_NAMES); |
| 70 | } |
| 71 | |
| 72 | // ------------------------------------------------------------------------ |
| 73 | // Internal |
| 74 | // ------------------------------------------------------------------------ |
| 75 | |
| 76 | @Override |
| 77 | protected String getNextText() { |
| 78 | return Messages.ResourcesView_nextResourceActionNameText; |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | protected String getNextTooltip() { |
| 83 | return Messages.ResourcesView_nextResourceActionToolTipText; |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | protected String getPrevText() { |
| 88 | return Messages.ResourcesView_previousResourceActionNameText; |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | protected String getPrevTooltip() { |
| 93 | return Messages.ResourcesView_previousResourceActionToolTipText; |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | protected void buildEventList(ITmfTrace trace, ITmfTrace parentTrace, IProgressMonitor monitor) { |
| 98 | if (trace == null) { |
| 99 | return; |
| 100 | } |
| 101 | ITmfStateSystem ssq = TmfStateSystemAnalysisModule.getStateSystem(trace, LttngKernelAnalysisModule.ID); |
| 102 | if (ssq == null) { |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | Map<Integer, ResourcesEntry> entryMap = new HashMap<>(); |
| 107 | TimeGraphEntry traceEntry = null; |
| 108 | |
| 109 | long startTime = ssq.getStartTime(); |
| 110 | long start = startTime; |
| 111 | setStartTime(Math.min(getStartTime(), startTime)); |
| 112 | boolean complete = false; |
| 113 | while (!complete) { |
| 114 | if (monitor.isCanceled()) { |
| 115 | return; |
| 116 | } |
| 117 | complete = ssq.waitUntilBuilt(BUILD_UPDATE_TIMEOUT); |
| 118 | if (ssq.isCancelled()) { |
| 119 | return; |
| 120 | } |
| 121 | long end = ssq.getCurrentEndTime(); |
| 122 | if (start == end && !complete) { // when complete execute one last time regardless of end time |
| 123 | continue; |
| 124 | } |
| 125 | long endTime = end + 1; |
| 126 | setEndTime(Math.max(getEndTime(), endTime)); |
| 127 | |
| 128 | if (traceEntry == null) { |
| 129 | traceEntry = new ResourcesEntry(trace, trace.getName(), startTime, endTime, 0); |
| 130 | List<TimeGraphEntry> entryList = Collections.singletonList(traceEntry); |
| 131 | addToEntryList(parentTrace, entryList); |
| 132 | } else { |
| 133 | traceEntry.updateEndTime(endTime); |
| 134 | } |
| 135 | |
| 136 | List<Integer> cpuQuarks = ssq.getQuarks(Attributes.CPUS, "*"); //$NON-NLS-1$ |
| 137 | for (Integer cpuQuark : cpuQuarks) { |
| 138 | int cpu = Integer.parseInt(ssq.getAttributeName(cpuQuark)); |
| 139 | ResourcesEntry entry = entryMap.get(cpuQuark); |
| 140 | if (entry == null) { |
| 141 | entry = new ResourcesEntry(cpuQuark, trace, startTime, endTime, Type.CPU, cpu); |
| 142 | entryMap.put(cpuQuark, entry); |
| 143 | traceEntry.addChild(entry); |
| 144 | } else { |
| 145 | entry.updateEndTime(endTime); |
| 146 | } |
| 147 | } |
| 148 | List<Integer> irqQuarks = ssq.getQuarks(Attributes.RESOURCES, Attributes.IRQS, "*"); //$NON-NLS-1$ |
| 149 | for (Integer irqQuark : irqQuarks) { |
| 150 | int irq = Integer.parseInt(ssq.getAttributeName(irqQuark)); |
| 151 | ResourcesEntry entry = entryMap.get(irqQuark); |
| 152 | if (entry == null) { |
| 153 | entry = new ResourcesEntry(irqQuark, trace, startTime, endTime, Type.IRQ, irq); |
| 154 | entryMap.put(irqQuark, entry); |
| 155 | traceEntry.addChild(entry); |
| 156 | } else { |
| 157 | entry.updateEndTime(endTime); |
| 158 | } |
| 159 | } |
| 160 | List<Integer> softIrqQuarks = ssq.getQuarks(Attributes.RESOURCES, Attributes.SOFT_IRQS, "*"); //$NON-NLS-1$ |
| 161 | for (Integer softIrqQuark : softIrqQuarks) { |
| 162 | int softIrq = Integer.parseInt(ssq.getAttributeName(softIrqQuark)); |
| 163 | ResourcesEntry entry = entryMap.get(softIrqQuark); |
| 164 | if (entry == null) { |
| 165 | entry = new ResourcesEntry(softIrqQuark, trace, startTime, endTime, Type.SOFT_IRQ, softIrq); |
| 166 | entryMap.put(softIrqQuark, entry); |
| 167 | traceEntry.addChild(entry); |
| 168 | } else { |
| 169 | entry.updateEndTime(endTime); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | if (parentTrace.equals(getTrace())) { |
| 174 | refresh(); |
| 175 | } |
| 176 | long resolution = Math.max(1, (endTime - ssq.getStartTime()) / getDisplayWidth()); |
| 177 | for (ITimeGraphEntry child : traceEntry.getChildren()) { |
| 178 | if (monitor.isCanceled()) { |
| 179 | return; |
| 180 | } |
| 181 | if (child instanceof TimeGraphEntry) { |
| 182 | TimeGraphEntry entry = (TimeGraphEntry) child; |
| 183 | List<ITimeEvent> eventList = getEventList(entry, start, endTime, resolution, monitor); |
| 184 | if (eventList != null) { |
| 185 | for (ITimeEvent event : eventList) { |
| 186 | entry.addEvent(event); |
| 187 | } |
| 188 | } |
| 189 | redraw(); |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | start = end; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | @Override |
| 198 | protected @Nullable List<ITimeEvent> getEventList(TimeGraphEntry entry, |
| 199 | long startTime, long endTime, long resolution, |
| 200 | IProgressMonitor monitor) { |
| 201 | ResourcesEntry resourcesEntry = (ResourcesEntry) entry; |
| 202 | ITmfStateSystem ssq = TmfStateSystemAnalysisModule.getStateSystem(resourcesEntry.getTrace(), LttngKernelAnalysisModule.ID); |
| 203 | if (ssq == null) { |
| 204 | return null; |
| 205 | } |
| 206 | final long realStart = Math.max(startTime, ssq.getStartTime()); |
| 207 | final long realEnd = Math.min(endTime, ssq.getCurrentEndTime() + 1); |
| 208 | if (realEnd <= realStart) { |
| 209 | return null; |
| 210 | } |
| 211 | List<ITimeEvent> eventList = null; |
| 212 | int quark = resourcesEntry.getQuark(); |
| 213 | |
| 214 | try { |
| 215 | if (resourcesEntry.getType().equals(Type.CPU)) { |
| 216 | int statusQuark = ssq.getQuarkRelative(quark, Attributes.STATUS); |
| 217 | List<ITmfStateInterval> statusIntervals = ssq.queryHistoryRange(statusQuark, realStart, realEnd - 1, resolution, monitor); |
| 218 | eventList = new ArrayList<>(statusIntervals.size()); |
| 219 | long lastEndTime = -1; |
| 220 | for (ITmfStateInterval statusInterval : statusIntervals) { |
| 221 | if (monitor.isCanceled()) { |
| 222 | return null; |
| 223 | } |
| 224 | int status = statusInterval.getStateValue().unboxInt(); |
| 225 | long time = statusInterval.getStartTime(); |
| 226 | long duration = statusInterval.getEndTime() - time + 1; |
| 227 | if (!statusInterval.getStateValue().isNull()) { |
| 228 | if (lastEndTime != time && lastEndTime != -1) { |
| 229 | eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime)); |
| 230 | } |
| 231 | eventList.add(new TimeEvent(entry, time, duration, status)); |
| 232 | } else if (lastEndTime == -1 || time + duration >= endTime) { |
| 233 | // add null event if it intersects the start or end time |
| 234 | eventList.add(new NullTimeEvent(entry, time, duration)); |
| 235 | } |
| 236 | lastEndTime = time + duration; |
| 237 | } |
| 238 | } else if (resourcesEntry.getType().equals(Type.IRQ)) { |
| 239 | List<ITmfStateInterval> irqIntervals = ssq.queryHistoryRange(quark, realStart, realEnd - 1, resolution, monitor); |
| 240 | eventList = new ArrayList<>(irqIntervals.size()); |
| 241 | long lastEndTime = -1; |
| 242 | boolean lastIsNull = true; |
| 243 | for (ITmfStateInterval irqInterval : irqIntervals) { |
| 244 | if (monitor.isCanceled()) { |
| 245 | return null; |
| 246 | } |
| 247 | long time = irqInterval.getStartTime(); |
| 248 | long duration = irqInterval.getEndTime() - time + 1; |
| 249 | if (!irqInterval.getStateValue().isNull()) { |
| 250 | int cpu = irqInterval.getStateValue().unboxInt(); |
| 251 | eventList.add(new TimeEvent(entry, time, duration, cpu)); |
| 252 | lastIsNull = false; |
| 253 | } else { |
| 254 | if (lastEndTime == -1) { |
| 255 | // add null event if it intersects the start time |
| 256 | eventList.add(new NullTimeEvent(entry, time, duration)); |
| 257 | } else { |
| 258 | if (lastEndTime != time && lastIsNull) { |
| 259 | /* This is a special case where we want to show IRQ_ACTIVE state but we don't know the CPU (it is between two null samples) */ |
| 260 | eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime, -1)); |
| 261 | } |
| 262 | if (time + duration >= endTime) { |
| 263 | // add null event if it intersects the end time |
| 264 | eventList.add(new NullTimeEvent(entry, time, duration)); |
| 265 | } |
| 266 | } |
| 267 | lastIsNull = true; |
| 268 | } |
| 269 | lastEndTime = time + duration; |
| 270 | } |
| 271 | } else if (resourcesEntry.getType().equals(Type.SOFT_IRQ)) { |
| 272 | List<ITmfStateInterval> softIrqIntervals = ssq.queryHistoryRange(quark, realStart, realEnd - 1, resolution, monitor); |
| 273 | eventList = new ArrayList<>(softIrqIntervals.size()); |
| 274 | long lastEndTime = -1; |
| 275 | boolean lastIsNull = true; |
| 276 | for (ITmfStateInterval softIrqInterval : softIrqIntervals) { |
| 277 | if (monitor.isCanceled()) { |
| 278 | return null; |
| 279 | } |
| 280 | long time = softIrqInterval.getStartTime(); |
| 281 | long duration = softIrqInterval.getEndTime() - time + 1; |
| 282 | if (!softIrqInterval.getStateValue().isNull()) { |
| 283 | int cpu = softIrqInterval.getStateValue().unboxInt(); |
| 284 | eventList.add(new TimeEvent(entry, time, duration, cpu)); |
| 285 | } else { |
| 286 | if (lastEndTime == -1) { |
| 287 | // add null event if it intersects the start time |
| 288 | eventList.add(new NullTimeEvent(entry, time, duration)); |
| 289 | } else { |
| 290 | if (lastEndTime != time && lastIsNull) { |
| 291 | /* This is a special case where we want to show IRQ_ACTIVE state but we don't know the CPU (it is between two null samples) */ |
| 292 | eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime, -1)); |
| 293 | } |
| 294 | if (time + duration >= endTime) { |
| 295 | // add null event if it intersects the end time |
| 296 | eventList.add(new NullTimeEvent(entry, time, duration)); |
| 297 | } |
| 298 | } |
| 299 | lastIsNull = true; |
| 300 | } |
| 301 | lastEndTime = time + duration; |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) { |
| 306 | e.printStackTrace(); |
| 307 | } catch (StateSystemDisposedException e) { |
| 308 | /* Ignored */ |
| 309 | } |
| 310 | return eventList; |
| 311 | } |
| 312 | |
| 313 | } |