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

   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 view
  12  *******************************************************************************/
  13
  14 package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources;
  15
  16 import java.util.LinkedHashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19
  20 import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes;
  21 import org.eclipse.linuxtools.internal.lttng2.kernel.core.StateValues;
  22 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Activator;
  23 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.Messages;
  24 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources.ResourcesEntry.Type;
  25 import org.eclipse.linuxtools.lttng2.kernel.core.analysis.LttngKernelAnalysisModule;
  26 import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;
  27 import org.eclipse.linuxtools.tmf.core.exceptions.StateSystemDisposedException;
  28 import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException;
  29 import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException;
  30 import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval;
  31 import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
  32 import org.eclipse.linuxtools.tmf.core.statevalue.ITmfStateValue;
  33 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;
  34 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;
  35 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  36 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  37 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.NullTimeEvent;
  38 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent;
  39 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.ITmfTimeGraphDrawingHelper;
  40 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils;
  41 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.Resolution;
  42 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat;
  43 import org.eclipse.swt.SWT;
  44 import org.eclipse.swt.graphics.GC;
  45 import org.eclipse.swt.graphics.RGB;
  46 import org.eclipse.swt.graphics.Rectangle;
  47
  48 /**
  49  * Presentation provider for the Resource view, based on the generic TMF
  50  * presentation provider.
  51  *
  52  * @author Patrick Tasse
  53  */
  54 public class ResourcesPresentationProvider extends TimeGraphPresentationProvider {
  55
  56     private long fLastThreadId = -1;
  57
  58     private enum State {
  59         IDLE             (new RGB(200, 200, 200)),
  60         USERMODE         (new RGB(  0, 200,   0)),
  61         SYSCALL          (new RGB(  0,   0, 200)),
  62         IRQ              (new RGB(200,   0, 100)),
  63         SOFT_IRQ         (new RGB(200, 150, 100)),
  64         IRQ_ACTIVE       (new RGB(200,   0, 100)),
  65         SOFT_IRQ_RAISED  (new RGB(200, 200,   0)),
  66         SOFT_IRQ_ACTIVE  (new RGB(200, 150, 100));
  67
  68         public final RGB rgb;
  69
  70         private State(RGB rgb) {
  71             this.rgb = rgb;
  72         }
  73     }
  74
  75     /**
  76      * Default constructor
  77      */
  78     public ResourcesPresentationProvider() {
  79         super();
  80     }
  81
  82     private static State[] getStateValues() {
  83         return State.values();
  84     }
  85
  86     private static State getEventState(TimeEvent event) {
  87         if (event.hasValue()) {
  88             ResourcesEntry entry = (ResourcesEntry) event.getEntry();
  89             int value = event.getValue();
  90
  91             if (entry.getType() == Type.CPU) {
  92                 if (value == StateValues.CPU_STATUS_IDLE) {
  93                     return State.IDLE;
  94                 } else if (value == StateValues.CPU_STATUS_RUN_USERMODE) {
  95                     return State.USERMODE;
  96                 } else if (value == StateValues.CPU_STATUS_RUN_SYSCALL) {
  97                     return State.SYSCALL;
  98                 } else if (value == StateValues.CPU_STATUS_IRQ) {
  99                     return State.IRQ;
 100                 } else if (value == StateValues.CPU_STATUS_SOFTIRQ) {
 101                     return State.SOFT_IRQ;
 102                 }
 103             } else if (entry.getType() == Type.IRQ) {
 104                 return State.IRQ_ACTIVE;
 105             } else if (entry.getType() == Type.SOFT_IRQ) {
 106                 if (value == StateValues.SOFT_IRQ_RAISED) {
 107                     return State.SOFT_IRQ_RAISED;
 108                 }
 109                 return State.SOFT_IRQ_ACTIVE;
 110             }
 111         }
 112         return null;
 113     }
 114
 115     @Override
 116     public int getStateTableIndex(ITimeEvent event) {
 117         State state = getEventState((TimeEvent) event);
 118         if (state != null) {
 119             return state.ordinal();
 120         }
 121         if (event instanceof NullTimeEvent) {
 122             return INVISIBLE;
 123         }
 124         return TRANSPARENT;
 125     }
 126
 127     @Override
 128     public StateItem[] getStateTable() {
 129         State[] states = getStateValues();
 130         StateItem[] stateTable = new StateItem[states.length];
 131         for (int i = 0; i < stateTable.length; i++) {
 132             State state = states[i];
 133             stateTable[i] = new StateItem(state.rgb, state.toString());
 134         }
 135         return stateTable;
 136     }
 137
 138     @Override
 139     public String getEventName(ITimeEvent event) {
 140         State state = getEventState((TimeEvent) event);
 141         if (state != null) {
 142             return state.toString();
 143         }
 144         if (event instanceof NullTimeEvent) {
 145             return null;
 146         }
 147         return Messages.ResourcesView_multipleStates;
 148     }
 149
 150     @Override
 151     public Map<String, String> getEventHoverToolTipInfo(ITimeEvent event, long hoverTime) {
 152
 153         Map<String, String> retMap = new LinkedHashMap<>();
 154         if (event instanceof TimeEvent && ((TimeEvent) event).hasValue()) {
 155
 156             TimeEvent tcEvent = (TimeEvent) event;
 157             ResourcesEntry entry = (ResourcesEntry) event.getEntry();
 158
 159             if (tcEvent.hasValue()) {
 160                 LttngKernelAnalysisModule module = entry.getTrace().getAnalysisModuleOfClass(LttngKernelAnalysisModule.class, LttngKernelAnalysisModule.ID);
 161                 if (module == null) {
 162                     return retMap;
 163                 }
 164                 ITmfStateSystem ss = module.getStateSystem();
 165                 if (ss == null) {
 166                     return retMap;
 167                 }
 168                 // Check for IRQ or Soft_IRQ type
 169                 if (entry.getType().equals(Type.IRQ) || entry.getType().equals(Type.SOFT_IRQ)) {
 170
 171                     // Get CPU of IRQ or SoftIRQ and provide it for the tooltip display
 172                     int cpu = tcEvent.getValue();
 173                     if (cpu >= 0) {
 174                         retMap.put(Messages.ResourcesView_attributeCpuName, String.valueOf(cpu));
 175                     }
 176                 }
 177
 178                 // Check for type CPU
 179                 else if (entry.getType().equals(Type.CPU)) {
 180                     int status = tcEvent.getValue();
 181
 182                     if (status == StateValues.CPU_STATUS_IRQ) {
 183                         // In IRQ state get the IRQ that caused the interruption
 184                         int cpu = entry.getId();
 185
 186                         try {
 187                             List<ITmfStateInterval> fullState = ss.queryFullState(event.getTime());
 188                             List<Integer> irqQuarks = ss.getQuarks(Attributes.RESOURCES, Attributes.IRQS, "*"); //$NON-NLS-1$
 189
 190                             for (int irqQuark : irqQuarks) {
 191                                 if (fullState.get(irqQuark).getStateValue().unboxInt() == cpu) {
 192                                     ITmfStateInterval value = ss.querySingleState(event.getTime(), irqQuark);
 193                                     if (!value.getStateValue().isNull()) {
 194                                         int irq = Integer.parseInt(ss.getAttributeName(irqQuark));
 195                                         retMap.put(Messages.ResourcesView_attributeIrqName, String.valueOf(irq));
 196                                     }
 197                                     break;
 198                                 }
 199                             }
 200                         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 201                             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 202                         } catch (StateSystemDisposedException e) {
 203                             /* Ignored */
 204                         }
 205                     } else if (status == StateValues.CPU_STATUS_SOFTIRQ) {
 206                         // In SOFT_IRQ state get the SOFT_IRQ that caused the interruption
 207                         int cpu = entry.getId();
 208
 209                         try {
 210                             List<ITmfStateInterval> fullState = ss.queryFullState(event.getTime());
 211                             List<Integer> softIrqQuarks = ss.getQuarks(Attributes.RESOURCES, Attributes.SOFT_IRQS, "*"); //$NON-NLS-1$
 212
 213                             for (int softIrqQuark : softIrqQuarks) {
 214                                 if (fullState.get(softIrqQuark).getStateValue().unboxInt() == cpu) {
 215                                     ITmfStateInterval value = ss.querySingleState(event.getTime(), softIrqQuark);
 216                                     if (!value.getStateValue().isNull()) {
 217                                         int softIrq = Integer.parseInt(ss.getAttributeName(softIrqQuark));
 218                                         retMap.put(Messages.ResourcesView_attributeSoftIrqName, String.valueOf(softIrq));
 219                                     }
 220                                     break;
 221                                 }
 222                             }
 223                         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 224                             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 225                         } catch (StateSystemDisposedException e) {
 226                             /* Ignored */
 227                         }
 228                     } else if (status == StateValues.CPU_STATUS_RUN_USERMODE || status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 229                         // In running state get the current tid
 230
 231                         try {
 232                             retMap.put(Messages.ResourcesView_attributeHoverTime, Utils.formatTime(hoverTime, TimeFormat.CALENDAR, Resolution.NANOSEC));
 233                             int cpuQuark = entry.getQuark();
 234                             int currentThreadQuark = ss.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
 235                             ITmfStateInterval interval = ss.querySingleState(hoverTime, currentThreadQuark);
 236                             if (!interval.getStateValue().isNull()) {
 237                                 ITmfStateValue value = interval.getStateValue();
 238                                 int currentThreadId = value.unboxInt();
 239                                 retMap.put(Messages.ResourcesView_attributeTidName, Integer.toString(currentThreadId));
 240                                 int execNameQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.EXEC_NAME);
 241                                 interval = ss.querySingleState(hoverTime, execNameQuark);
 242                                 if (!interval.getStateValue().isNull()) {
 243                                     value = interval.getStateValue();
 244                                     retMap.put(Messages.ResourcesView_attributeProcessName, value.unboxStr());
 245                                 }
 246                                 if (status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 247                                     int syscallQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.SYSTEM_CALL);
 248                                     interval = ss.querySingleState(hoverTime, syscallQuark);
 249                                     if (!interval.getStateValue().isNull()) {
 250                                         value = interval.getStateValue();
 251                                         retMap.put(Messages.ResourcesView_attributeSyscallName, value.unboxStr());
 252                                     }
 253                                 }
 254                             }
 255                         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 256                             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 257                         } catch (StateSystemDisposedException e) {
 258                             /* Ignored */
 259                         }
 260                     }
 261                 }
 262             }
 263         }
 264
 265         return retMap;
 266     }
 267
 268     @Override
 269     public void postDrawEvent(ITimeEvent event, Rectangle bounds, GC gc) {
 270         ITmfTimeGraphDrawingHelper drawingHelper = getDrawingHelper();
 271         if (bounds.width <= gc.getFontMetrics().getAverageCharWidth()) {
 272             return;
 273         }
 274
 275         if (!(event instanceof TimeEvent)) {
 276             return;
 277         }
 278         TimeEvent tcEvent = (TimeEvent) event;
 279         if (!tcEvent.hasValue()) {
 280             return;
 281         }
 282
 283         ResourcesEntry entry = (ResourcesEntry) event.getEntry();
 284         if (!entry.getType().equals(Type.CPU)) {
 285             return;
 286         }
 287
 288         int status = tcEvent.getValue();
 289         if (status != StateValues.CPU_STATUS_RUN_USERMODE && status != StateValues.CPU_STATUS_RUN_SYSCALL) {
 290             return;
 291         }
 292
 293         LttngKernelAnalysisModule module = entry.getTrace().getAnalysisModuleOfClass(LttngKernelAnalysisModule.class, LttngKernelAnalysisModule.ID);
 294         if (module == null) {
 295             return;
 296         }
 297         ITmfStateSystem ss = module.getStateSystem();
 298         if (ss == null) {
 299             return;
 300         }
 301         long time = event.getTime();
 302         try {
 303             while (time < event.getTime() + event.getDuration()) {
 304                 int cpuQuark = entry.getQuark();
 305                 int currentThreadQuark = ss.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
 306                 ITmfStateInterval tidInterval = ss.querySingleState(time, currentThreadQuark);
 307                 if (!tidInterval.getStateValue().isNull()) {
 308                     ITmfStateValue value = tidInterval.getStateValue();
 309                     int currentThreadId = value.unboxInt();
 310                     if (status == StateValues.CPU_STATUS_RUN_USERMODE && currentThreadId != fLastThreadId) {
 311                         int execNameQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.EXEC_NAME);
 312                         ITmfStateInterval interval = ss.querySingleState(time, execNameQuark);
 313                         if (!interval.getStateValue().isNull()) {
 314                             value = interval.getStateValue();
 315                             gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));
 316                             long startTime = Math.max(tidInterval.getStartTime(), event.getTime());
 317                             long endTime = Math.min(tidInterval.getEndTime() + 1, event.getTime() + event.getDuration());
 318                             if (drawingHelper.getXForTime(endTime) > bounds.x) {
 319                                 int x = Math.max(drawingHelper.getXForTime(startTime), bounds.x);
 320                                 int width = Math.min(drawingHelper.getXForTime(endTime), bounds.x + bounds.width) - x;
 321                                 int drawn = Utils.drawText(gc, value.unboxStr(), x + 1, bounds.y - 2, width - 1, true, true);
 322                                 if (drawn > 0) {
 323                                     fLastThreadId = currentThreadId;
 324                                 }
 325                             }
 326                         }
 327                     } else if (status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 328                         int syscallQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.SYSTEM_CALL);
 329                         ITmfStateInterval interval = ss.querySingleState(time, syscallQuark);
 330                         if (!interval.getStateValue().isNull()) {
 331                             value = interval.getStateValue();
 332                             gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));
 333                             long startTime = Math.max(tidInterval.getStartTime(), event.getTime());
 334                             long endTime = Math.min(tidInterval.getEndTime() + 1, event.getTime() + event.getDuration());
 335                             if (drawingHelper.getXForTime(endTime) > bounds.x) {
 336                                 int x = Math.max(drawingHelper.getXForTime(startTime), bounds.x);
 337                                 int width = Math.min(drawingHelper.getXForTime(endTime), bounds.x + bounds.width) - x;
 338                                 Utils.drawText(gc, value.unboxStr().substring(4), x + 1, bounds.y - 2, width - 1, true, true);
 339                             }
 340                         }
 341                     }
 342                 }
 343                 time = tidInterval.getEndTime() + 1;
 344                 if (time < event.getTime() + event.getDuration()) {
 345                     int x = drawingHelper.getXForTime(time);
 346                     if (x >= bounds.x) {
 347                         gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY));
 348                         gc.drawLine(x, bounds.y + 1, x, bounds.y + bounds.height - 2);
 349                     }
 350                 }
 351             }
 352         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 353             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 354         } catch (StateSystemDisposedException e) {
 355             /* Ignored */
 356         }
 357     }
 358
 359     @Override
 360     public void postDrawEntry(ITimeGraphEntry entry, Rectangle bounds, GC gc) {
 361         fLastThreadId = -1;
 362     }
 363 }