org.eclipse.linuxtools.lttng2.kernel.ui/src/org/eclipse/linuxtools/internal/lttng2/kernel/ui/views/resources/ResourcesView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 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.List;
  18
  19 import org.eclipse.core.runtime.IProgressMonitor;
  20 import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes;
  21 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Messages;
  22 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources.ResourcesEntry.Type;
  23 import org.eclipse.linuxtools.lttng2.kernel.core.trace.LttngKernelTrace;
  24 import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;
  25 import org.eclipse.linuxtools.tmf.core.exceptions.StateSystemDisposedException;
  26 import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException;
  27 import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException;
  28 import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval;
  29 import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
  30 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  31 import org.eclipse.linuxtools.tmf.core.trace.TmfTraceManager;
  32 import org.eclipse.linuxtools.tmf.ui.views.timegraph.AbstractTimeGraphView;
  33 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  34 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.NullTimeEvent;
  35 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent;
  36 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeGraphEntry;
  37
  38 /**
  39  * Main implementation for the LTTng 2.0 kernel Resource view
  40  *
  41  * @author Patrick Tasse
  42  */
  43 public class ResourcesView extends AbstractTimeGraphView {
  44
  45     /** View ID. */
  46     public static final String ID = "org.eclipse.linuxtools.lttng2.kernel.ui.views.resources"; //$NON-NLS-1$
  47
  48     private static final String[] FILTER_COLUMN_NAMES = new String[] {
  49             Messages.ResourcesView_stateTypeName
  50     };
  51
  52     // ------------------------------------------------------------------------
  53     // Constructors
  54     // ------------------------------------------------------------------------
  55
  56     /**
  57      * Default constructor
  58      */
  59     public ResourcesView() {
  60         super(ID, new ResourcesPresentationProvider());
  61         setFilterColumns(FILTER_COLUMN_NAMES);
  62     }
  63
  64     @Override
  65     protected String getNextText() {
  66         return Messages.ResourcesView_nextResourceActionNameText;
  67     }
  68
  69     @Override
  70     protected String getNextTooltip() {
  71         return Messages.ResourcesView_nextResourceActionToolTipText;
  72     }
  73
  74     @Override
  75     protected String getPrevText() {
  76         return Messages.ResourcesView_previousResourceActionNameText;
  77     }
  78
  79     @Override
  80     protected String getPrevTooltip() {
  81         return Messages.ResourcesView_previousResourceActionToolTipText;
  82     }
  83
  84     // ------------------------------------------------------------------------
  85     // Internal
  86     // ------------------------------------------------------------------------
  87
  88     @Override
  89     protected void buildEventList(ITmfTrace trace, IProgressMonitor monitor) {
  90         setStartTime(Long.MAX_VALUE);
  91         setEndTime(Long.MIN_VALUE);
  92
  93         ArrayList<ResourcesEntry> entryList = new ArrayList<>();
  94         for (ITmfTrace aTrace : TmfTraceManager.getTraceSet(trace)) {
  95             if (monitor.isCanceled()) {
  96                 return;
  97             }
  98             if (aTrace instanceof LttngKernelTrace) {
  99                 LttngKernelTrace lttngKernelTrace = (LttngKernelTrace) aTrace;
 100                 ITmfStateSystem ssq = lttngKernelTrace.getStateSystems().get(LttngKernelTrace.STATE_ID);
 101                 if (ssq == null) {
 102                     return;
 103                 }
 104                 ssq.waitUntilBuilt();
 105                 if (ssq.isCancelled()) {
 106                     return;
 107                 }
 108                 long startTime = ssq.getStartTime();
 109                 long endTime = ssq.getCurrentEndTime() + 1;
 110                 ResourcesEntry groupEntry = new ResourcesEntry(lttngKernelTrace, aTrace.getName(), startTime, endTime, 0);
 111                 entryList.add(groupEntry);
 112                 setStartTime(Math.min(getStartTime(), startTime));
 113                 setEndTime(Math.max(getEndTime(), endTime));
 114                 List<Integer> cpuQuarks = ssq.getQuarks(Attributes.CPUS, "*"); //$NON-NLS-1$
 115                 ResourcesEntry[] cpuEntries = new ResourcesEntry[cpuQuarks.size()];
 116                 for (int i = 0; i < cpuQuarks.size(); i++) {
 117                     int cpuQuark = cpuQuarks.get(i);
 118                     int cpu = Integer.parseInt(ssq.getAttributeName(cpuQuark));
 119                     ResourcesEntry entry = new ResourcesEntry(cpuQuark, lttngKernelTrace, getStartTime(), getEndTime(), Type.CPU, cpu);
 120                     groupEntry.addChild(entry);
 121                     cpuEntries[i] = entry;
 122                 }
 123                 List<Integer> irqQuarks = ssq.getQuarks(Attributes.RESOURCES, Attributes.IRQS, "*"); //$NON-NLS-1$
 124                 ResourcesEntry[] irqEntries = new ResourcesEntry[irqQuarks.size()];
 125                 for (int i = 0; i < irqQuarks.size(); i++) {
 126                     int irqQuark = irqQuarks.get(i);
 127                     int irq = Integer.parseInt(ssq.getAttributeName(irqQuark));
 128                     ResourcesEntry entry = new ResourcesEntry(irqQuark, lttngKernelTrace, getStartTime(), getEndTime(), Type.IRQ, irq);
 129                     groupEntry.addChild(entry);
 130                     irqEntries[i] = entry;
 131                 }
 132                 List<Integer> softIrqQuarks = ssq.getQuarks(Attributes.RESOURCES, Attributes.SOFT_IRQS, "*"); //$NON-NLS-1$
 133                 ResourcesEntry[] softIrqEntries = new ResourcesEntry[softIrqQuarks.size()];
 134                 for (int i = 0; i < softIrqQuarks.size(); i++) {
 135                     int softIrqQuark = softIrqQuarks.get(i);
 136                     int softIrq = Integer.parseInt(ssq.getAttributeName(softIrqQuark));
 137                     ResourcesEntry entry = new ResourcesEntry(softIrqQuark, lttngKernelTrace, getStartTime(), getEndTime(), Type.SOFT_IRQ, softIrq);
 138                     groupEntry.addChild(entry);
 139                     softIrqEntries[i] = entry;
 140                 }
 141             }
 142         }
 143         putEntryList(trace, new ArrayList<TimeGraphEntry>(entryList));
 144
 145         if (trace.equals(getTrace())) {
 146             refresh();
 147         }
 148         for (ResourcesEntry traceEntry : entryList) {
 149             if (monitor.isCanceled()) {
 150                 return;
 151             }
 152             LttngKernelTrace lttngKernelTrace = traceEntry.getTrace();
 153             ITmfStateSystem ssq = lttngKernelTrace.getStateSystems().get(LttngKernelTrace.STATE_ID);
 154             long startTime = ssq.getStartTime();
 155             long endTime = ssq.getCurrentEndTime() + 1;
 156             long resolution = (endTime - startTime) / getDisplayWidth();
 157             for (TimeGraphEntry entry : traceEntry.getChildren()) {
 158                 List<ITimeEvent> eventList = getEventList(entry, startTime, endTime, resolution, monitor);
 159                 entry.setEventList(eventList);
 160                 redraw();
 161             }
 162         }
 163     }
 164
 165     @Override
 166     protected List<ITimeEvent> getEventList(TimeGraphEntry entry,
 167             long startTime, long endTime, long resolution,
 168             IProgressMonitor monitor) {
 169         ResourcesEntry resourcesEntry = (ResourcesEntry) entry;
 170         ITmfStateSystem ssq = resourcesEntry.getTrace().getStateSystems().get(LttngKernelTrace.STATE_ID);
 171         final long realStart = Math.max(startTime, ssq.getStartTime());
 172         final long realEnd = Math.min(endTime, ssq.getCurrentEndTime() + 1);
 173         if (realEnd <= realStart) {
 174             return null;
 175         }
 176         List<ITimeEvent> eventList = null;
 177         int quark = resourcesEntry.getQuark();
 178
 179         try {
 180             if (resourcesEntry.getType().equals(Type.CPU)) {
 181                 int statusQuark = ssq.getQuarkRelative(quark, Attributes.STATUS);
 182                 List<ITmfStateInterval> statusIntervals = ssq.queryHistoryRange(statusQuark, realStart, realEnd - 1, resolution, monitor);
 183                 eventList = new ArrayList<>(statusIntervals.size());
 184                 long lastEndTime = -1;
 185                 for (ITmfStateInterval statusInterval : statusIntervals) {
 186                     if (monitor.isCanceled()) {
 187                         return null;
 188                     }
 189                     int status = statusInterval.getStateValue().unboxInt();
 190                     long time = statusInterval.getStartTime();
 191                     long duration = statusInterval.getEndTime() - time + 1;
 192                     if (!statusInterval.getStateValue().isNull()) {
 193                         if (lastEndTime != time && lastEndTime != -1) {
 194                             eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime));
 195                         }
 196                         eventList.add(new TimeEvent(entry, time, duration, status));
 197                     } else if (lastEndTime == -1 || time + duration >= endTime) {
 198                         // add null event if it intersects the start or end time
 199                         eventList.add(new NullTimeEvent(entry, time, duration));
 200                     }
 201                     lastEndTime = time + duration;
 202                 }
 203             } else if (resourcesEntry.getType().equals(Type.IRQ)) {
 204                 List<ITmfStateInterval> irqIntervals = ssq.queryHistoryRange(quark, realStart, realEnd - 1, resolution, monitor);
 205                 eventList = new ArrayList<>(irqIntervals.size());
 206                 long lastEndTime = -1;
 207                 boolean lastIsNull = true;
 208                 for (ITmfStateInterval irqInterval : irqIntervals) {
 209                     if (monitor.isCanceled()) {
 210                         return null;
 211                     }
 212                     long time = irqInterval.getStartTime();
 213                     long duration = irqInterval.getEndTime() - time + 1;
 214                     if (!irqInterval.getStateValue().isNull()) {
 215                         int cpu = irqInterval.getStateValue().unboxInt();
 216                         eventList.add(new TimeEvent(entry, time, duration, cpu));
 217                         lastIsNull = false;
 218                     } else {
 219                         if (lastEndTime == -1) {
 220                             // add null event if it intersects the start time
 221                             eventList.add(new NullTimeEvent(entry, time, duration));
 222                         } else {
 223                             if (lastEndTime != time && lastIsNull) {
 224                                 /* 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) */
 225                                 eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime, -1));
 226                             }
 227                             if (time + duration >= endTime) {
 228                                 // add null event if it intersects the end time
 229                                 eventList.add(new NullTimeEvent(entry, time, duration));
 230                             }
 231                         }
 232                         lastIsNull = true;
 233                     }
 234                     lastEndTime = time + duration;
 235                 }
 236             } else if (resourcesEntry.getType().equals(Type.SOFT_IRQ)) {
 237                 List<ITmfStateInterval> softIrqIntervals = ssq.queryHistoryRange(quark, realStart, realEnd - 1, resolution, monitor);
 238                 eventList = new ArrayList<>(softIrqIntervals.size());
 239                 long lastEndTime = -1;
 240                 boolean lastIsNull = true;
 241                 for (ITmfStateInterval softIrqInterval : softIrqIntervals) {
 242                     if (monitor.isCanceled()) {
 243                         return null;
 244                     }
 245                     long time = softIrqInterval.getStartTime();
 246                     long duration = softIrqInterval.getEndTime() - time + 1;
 247                     if (!softIrqInterval.getStateValue().isNull()) {
 248                         int cpu = softIrqInterval.getStateValue().unboxInt();
 249                         eventList.add(new TimeEvent(entry, time, duration, cpu));
 250                     } else {
 251                         if (lastEndTime == -1) {
 252                             // add null event if it intersects the start time
 253                             eventList.add(new NullTimeEvent(entry, time, duration));
 254                         } else {
 255                             if (lastEndTime != time && lastIsNull) {
 256                                 /* 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) */
 257                                 eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime, -1));
 258                             }
 259                             if (time + duration >= endTime) {
 260                                 // add null event if it intersects the end time
 261                                 eventList.add(new NullTimeEvent(entry, time, duration));
 262                             }
 263                         }
 264                         lastIsNull = true;
 265                     }
 266                     lastEndTime = time + duration;
 267                 }
 268             }
 269
 270         } catch (AttributeNotFoundException e) {
 271             e.printStackTrace();
 272         } catch (TimeRangeException e) {
 273             e.printStackTrace();
 274         } catch (StateValueTypeException e) {
 275             e.printStackTrace();
 276         } catch (StateSystemDisposedException e) {
 277             /* Ignored */
 278         }
 279         return eventList;
 280     }
 281
 282 }