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.ui.views.timegraph.AbstractTimeGraphView;
  32 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  33 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent;
  34 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeGraphEntry;
  35
  36 /**
  37  * Main implementation for the LTTng 2.0 kernel Resource view
  38  *
  39  * @author Patrick Tasse
  40  */
  41 public class ResourcesView extends AbstractTimeGraphView {
  42
  43     /** View ID. */
  44     public static final String ID = "org.eclipse.linuxtools.lttng2.kernel.ui.views.resources"; //$NON-NLS-1$
  45
  46     /**
  47      * Default value for events with no other value. Since value in this case is
  48      * often a CPU number, this constant should be <0
  49      */
  50     public static final int NO_VALUE_EVENT = -999;
  51
  52     private static final String[] FILTER_COLUMN_NAMES = new String[] {
  53             Messages.ResourcesView_stateTypeName
  54     };
  55
  56     // ------------------------------------------------------------------------
  57     // Constructors
  58     // ------------------------------------------------------------------------
  59
  60     /**
  61      * Default constructor
  62      */
  63     public ResourcesView() {
  64         super(ID, new ResourcesPresentationProvider());
  65         setFilterColumns(FILTER_COLUMN_NAMES);
  66     }
  67
  68     @Override
  69     protected String getNextText() {
  70         return Messages.ResourcesView_nextResourceActionNameText;
  71     }
  72
  73     @Override
  74     protected String getNextTooltip() {
  75         return Messages.ResourcesView_nextResourceActionToolTipText;
  76     }
  77
  78     @Override
  79     protected String getPrevText() {
  80         return Messages.ResourcesView_previousResourceActionNameText;
  81     }
  82
  83     @Override
  84     protected String getPrevTooltip() {
  85         return Messages.ResourcesView_previousResourceActionToolTipText;
  86     }
  87
  88     // ------------------------------------------------------------------------
  89     // Internal
  90     // ------------------------------------------------------------------------
  91
  92     @Override
  93     protected void buildEventList(ITmfTrace trace, IProgressMonitor monitor) {
  94         setStartTime(Long.MAX_VALUE);
  95         setEndTime(Long.MIN_VALUE);
  96
  97         ArrayList<ResourcesEntry> entryList = new ArrayList<ResourcesEntry>();
  98         for (ITmfTrace aTrace : fTraceManager.getActiveTraceSet()) {
  99             if (monitor.isCanceled()) {
 100                 return;
 101             }
 102             if (aTrace instanceof LttngKernelTrace) {
 103                 LttngKernelTrace lttngKernelTrace = (LttngKernelTrace) aTrace;
 104                 ITmfStateSystem ssq = lttngKernelTrace.getStateSystems().get(LttngKernelTrace.STATE_ID);
 105                 if (!ssq.waitUntilBuilt()) {
 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, (ArrayList<TimeGraphEntry>) entryList.clone());
 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         ITmfStateSystem ssq = entry.getTrace().getStateSystems().get(LttngKernelTrace.STATE_ID);
 170         final long realStart = Math.max(startTime, ssq.getStartTime());
 171         final long realEnd = Math.min(endTime, ssq.getCurrentEndTime() + 1);
 172         if (realEnd <= realStart) {
 173             return null;
 174         }
 175         List<ITimeEvent> eventList = null;
 176
 177         if (!(entry instanceof ResourcesEntry)) {
 178             return eventList;
 179         }
 180         ResourcesEntry resourcesEntry = (ResourcesEntry) entry;
 181         int quark = resourcesEntry.getQuark();
 182
 183         try {
 184             if (resourcesEntry.getType().equals(Type.CPU)) {
 185                 int statusQuark = ssq.getQuarkRelative(quark, Attributes.STATUS);
 186                 List<ITmfStateInterval> statusIntervals = ssq.queryHistoryRange(statusQuark, realStart, realEnd - 1, resolution, monitor);
 187                 eventList = new ArrayList<ITimeEvent>(statusIntervals.size());
 188                 long lastEndTime = -1;
 189                 for (ITmfStateInterval statusInterval : statusIntervals) {
 190                     if (monitor.isCanceled()) {
 191                         return null;
 192                     }
 193                     int status = statusInterval.getStateValue().unboxInt();
 194                     long time = statusInterval.getStartTime();
 195                     long duration = statusInterval.getEndTime() - time + 1;
 196                     if (!statusInterval.getStateValue().isNull()) {
 197                         if (lastEndTime != time && lastEndTime != -1) {
 198                             eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime));
 199                         }
 200                         eventList.add(new TimeEvent(entry, time, duration, status));
 201                         lastEndTime = time + duration;
 202                     } else {
 203                         if (true) {// includeNull) {
 204                             eventList.add(new TimeEvent(entry, time, duration, NO_VALUE_EVENT));
 205                         }
 206                     }
 207                 }
 208             } else if (resourcesEntry.getType().equals(Type.IRQ)) {
 209                 List<ITmfStateInterval> irqIntervals = ssq.queryHistoryRange(quark, realStart, realEnd - 1, resolution, monitor);
 210                 eventList = new ArrayList<ITimeEvent>(irqIntervals.size());
 211                 long lastEndTime = -1;
 212                 boolean lastIsNull = true;
 213                 for (ITmfStateInterval irqInterval : irqIntervals) {
 214                     if (monitor.isCanceled()) {
 215                         return null;
 216                     }
 217                     long time = irqInterval.getStartTime();
 218                     long duration = irqInterval.getEndTime() - time + 1;
 219                     if (!irqInterval.getStateValue().isNull()) {
 220                         int cpu = irqInterval.getStateValue().unboxInt();
 221                         eventList.add(new TimeEvent(entry, time, duration, cpu));
 222                         lastIsNull = false;
 223                     } else {
 224                         if (lastEndTime != time && lastEndTime != -1 && lastIsNull) {
 225                             /* 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) */
 226                             eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime, -1));
 227                         } else {
 228                             eventList.add(new TimeEvent(entry, time, duration, NO_VALUE_EVENT));
 229                         }
 230                         lastIsNull = true;
 231                     }
 232                     lastEndTime = time + duration;
 233                 }
 234             } else if (resourcesEntry.getType().equals(Type.SOFT_IRQ)) {
 235                 List<ITmfStateInterval> softIrqIntervals = ssq.queryHistoryRange(quark, realStart, realEnd - 1, resolution, monitor);
 236                 eventList = new ArrayList<ITimeEvent>(softIrqIntervals.size());
 237                 long lastEndTime = -1;
 238                 boolean lastIsNull = true;
 239                 for (ITmfStateInterval softIrqInterval : softIrqIntervals) {
 240                     if (monitor.isCanceled()) {
 241                         return null;
 242                     }
 243                     long time = softIrqInterval.getStartTime();
 244                     long duration = softIrqInterval.getEndTime() - time + 1;
 245                     if (!softIrqInterval.getStateValue().isNull()) {
 246                         int cpu = softIrqInterval.getStateValue().unboxInt();
 247                         eventList.add(new TimeEvent(entry, time, duration, cpu));
 248                     } else {
 249                         if (lastEndTime != time && lastEndTime != -1 && lastIsNull) {
 250                             /* 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) */
 251                             eventList.add(new TimeEvent(entry, lastEndTime, time - lastEndTime, -1));
 252                         } else {
 253                             eventList.add(new TimeEvent(entry, time, duration, NO_VALUE_EVENT));
 254                         }
 255                         lastIsNull = true;
 256                     }
 257                     lastEndTime = time + duration;
 258                 }
 259             }
 260
 261         } catch (AttributeNotFoundException e) {
 262             e.printStackTrace();
 263         } catch (TimeRangeException e) {
 264             e.printStackTrace();
 265         } catch (StateValueTypeException e) {
 266             e.printStackTrace();
 267         } catch (StateSystemDisposedException e) {
 268             /* Ignored */
 269         }
 270         return eventList;
 271     }
 272
 273 }