org.eclipse.linuxtools.lttng2.kernel.ui/src/org/eclipse/linuxtools/internal/lttng2/kernel/ui/views/resources/ResourcesPresentationProvider.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 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.Messages;
  23 import org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources.ResourcesEntry.Type;
  24 import org.eclipse.linuxtools.lttng2.kernel.core.trace.LttngKernelTrace;
  25 import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException;
  26 import org.eclipse.linuxtools.tmf.core.exceptions.StateSystemDisposedException;
  27 import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException;
  28 import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException;
  29 import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval;
  30 import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
  31 import org.eclipse.linuxtools.tmf.core.statevalue.ITmfStateValue;
  32 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;
  33 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;
  34 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
  35 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  36 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.NullTimeEvent;
  37 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.TimeEvent;
  38 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.ITmfTimeGraphDrawingHelper;
  39 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils;
  40 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.Resolution;
  41 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat;
  42 import org.eclipse.swt.SWT;
  43 import org.eclipse.swt.graphics.GC;
  44 import org.eclipse.swt.graphics.RGB;
  45 import org.eclipse.swt.graphics.Rectangle;
  46
  47 /**
  48  * Presentation provider for the Resource view, based on the generic TMF
  49  * presentation provider.
  50  *
  51  * @author Patrick Tasse
  52  */
  53 public class ResourcesPresentationProvider extends TimeGraphPresentationProvider {
  54
  55     private long fLastThreadId = -1;
  56
  57     private enum State {
  58         IDLE             (new RGB(200, 200, 200)),
  59         USERMODE         (new RGB(  0, 200,   0)),
  60         SYSCALL          (new RGB(  0,   0, 200)),
  61         IRQ              (new RGB(200,   0, 100)),
  62         SOFT_IRQ         (new RGB(200, 150, 100)),
  63         IRQ_ACTIVE       (new RGB(200,   0, 100)),
  64         SOFT_IRQ_RAISED  (new RGB(200, 200,   0)),
  65         SOFT_IRQ_ACTIVE  (new RGB(200, 150, 100));
  66
  67         public final RGB rgb;
  68
  69         private State(RGB rgb) {
  70             this.rgb = rgb;
  71         }
  72     }
  73
  74     /**
  75      * Default constructor
  76      */
  77     public ResourcesPresentationProvider() {
  78         super();
  79     }
  80
  81     private static State[] getStateValues() {
  82         return State.values();
  83     }
  84
  85     private static State getEventState(TimeEvent event) {
  86         if (event.hasValue()) {
  87             ResourcesEntry entry = (ResourcesEntry) event.getEntry();
  88             int value = event.getValue();
  89
  90             if (entry.getType() == Type.CPU) {
  91                 if (value == StateValues.CPU_STATUS_IDLE) {
  92                     return State.IDLE;
  93                 } else if (value == StateValues.CPU_STATUS_RUN_USERMODE) {
  94                     return State.USERMODE;
  95                 } else if (value == StateValues.CPU_STATUS_RUN_SYSCALL) {
  96                     return State.SYSCALL;
  97                 } else if (value == StateValues.CPU_STATUS_IRQ) {
  98                     return State.IRQ;
  99                 } else if (value == StateValues.CPU_STATUS_SOFTIRQ) {
 100                     return State.SOFT_IRQ;
 101                 }
 102             } else if (entry.getType() == Type.IRQ) {
 103                 return State.IRQ_ACTIVE;
 104             } else if (entry.getType() == Type.SOFT_IRQ) {
 105                 if (value == StateValues.SOFT_IRQ_RAISED) {
 106                     return State.SOFT_IRQ_RAISED;
 107                 }
 108                 return State.SOFT_IRQ_ACTIVE;
 109             }
 110         }
 111         return null;
 112     }
 113
 114     @Override
 115     public int getStateTableIndex(ITimeEvent event) {
 116         State state = getEventState((TimeEvent) event);
 117         if (state != null) {
 118             return state.ordinal();
 119         }
 120         if (event instanceof NullTimeEvent) {
 121             return INVISIBLE;
 122         }
 123         return TRANSPARENT;
 124     }
 125
 126     @Override
 127     public StateItem[] getStateTable() {
 128         State[] states = getStateValues();
 129         StateItem[] stateTable = new StateItem[states.length];
 130         for (int i = 0; i < stateTable.length; i++) {
 131             State state = states[i];
 132             stateTable[i] = new StateItem(state.rgb, state.toString());
 133         }
 134         return stateTable;
 135     }
 136
 137     @Override
 138     public String getEventName(ITimeEvent event) {
 139         State state = getEventState((TimeEvent) event);
 140         if (state != null) {
 141             return state.toString();
 142         }
 143         if (event instanceof NullTimeEvent) {
 144             return null;
 145         }
 146         return Messages.ResourcesView_multipleStates;
 147     }
 148
 149     @Override
 150     public Map<String, String> getEventHoverToolTipInfo(ITimeEvent event, long hoverTime) {
 151
 152         Map<String, String> retMap = new LinkedHashMap<String, String>();
 153         if (event instanceof TimeEvent && ((TimeEvent) event).hasValue()) {
 154
 155             TimeEvent tcEvent = (TimeEvent) event;
 156             ResourcesEntry entry = (ResourcesEntry) event.getEntry();
 157
 158             if (tcEvent.hasValue()) {
 159                 // Check for IRQ or Soft_IRQ type
 160                 if (entry.getType().equals(Type.IRQ) || entry.getType().equals(Type.SOFT_IRQ)) {
 161
 162                     // Get CPU of IRQ or SoftIRQ and provide it for the tooltip display
 163                     int cpu = tcEvent.getValue();
 164                     if (cpu >= 0) {
 165                         retMap.put(Messages.ResourcesView_attributeCpuName, String.valueOf(cpu));
 166                     }
 167                 }
 168
 169                 // Check for type CPU
 170                 else if (entry.getType().equals(Type.CPU)) {
 171                     int status = tcEvent.getValue();
 172
 173                     if (status == StateValues.CPU_STATUS_IRQ) {
 174                         // In IRQ state get the IRQ that caused the interruption
 175                         ITmfStateSystem ss = entry.getTrace().getStateSystems().get(LttngKernelTrace.STATE_ID);
 176                         int cpu = entry.getId();
 177
 178                         try {
 179                             List<ITmfStateInterval> fullState = ss.queryFullState(event.getTime());
 180                             List<Integer> irqQuarks = ss.getQuarks(Attributes.RESOURCES, Attributes.IRQS, "*"); //$NON-NLS-1$
 181
 182                             for (int irqQuark : irqQuarks) {
 183                                 if (fullState.get(irqQuark).getStateValue().unboxInt() == cpu) {
 184                                     ITmfStateInterval value = ss.querySingleState(event.getTime(), irqQuark);
 185                                     if (!value.getStateValue().isNull()) {
 186                                         int irq = Integer.parseInt(ss.getAttributeName(irqQuark));
 187                                         retMap.put(Messages.ResourcesView_attributeIrqName, String.valueOf(irq));
 188                                     }
 189                                     break;
 190                                 }
 191                             }
 192                         } catch (AttributeNotFoundException e) {
 193                             e.printStackTrace();
 194                         } catch (TimeRangeException e) {
 195                             e.printStackTrace();
 196                         } catch (StateValueTypeException e) {
 197                             e.printStackTrace();
 198                         } catch (StateSystemDisposedException e) {
 199                             /* Ignored */
 200                         }
 201                     } else if (status == StateValues.CPU_STATUS_SOFTIRQ) {
 202                         // In SOFT_IRQ state get the SOFT_IRQ that caused the interruption
 203                         ITmfStateSystem ss = entry.getTrace().getStateSystems().get(LttngKernelTrace.STATE_ID);
 204                         int cpu = entry.getId();
 205
 206                         try {
 207                             List<ITmfStateInterval> fullState = ss.queryFullState(event.getTime());
 208                             List<Integer> softIrqQuarks = ss.getQuarks(Attributes.RESOURCES, Attributes.SOFT_IRQS, "*"); //$NON-NLS-1$
 209
 210                             for (int softIrqQuark : softIrqQuarks) {
 211                                 if (fullState.get(softIrqQuark).getStateValue().unboxInt() == cpu) {
 212                                     ITmfStateInterval value = ss.querySingleState(event.getTime(), softIrqQuark);
 213                                     if (!value.getStateValue().isNull()) {
 214                                         int softIrq = Integer.parseInt(ss.getAttributeName(softIrqQuark));
 215                                         retMap.put(Messages.ResourcesView_attributeSoftIrqName, String.valueOf(softIrq));
 216                                     }
 217                                     break;
 218                                 }
 219                             }
 220                         } catch (AttributeNotFoundException e) {
 221                             e.printStackTrace();
 222                         } catch (TimeRangeException e) {
 223                             e.printStackTrace();
 224                         } catch (StateValueTypeException e) {
 225                             e.printStackTrace();
 226                         } catch (StateSystemDisposedException e) {
 227                             /* Ignored */
 228                         }
 229                     } else if (status == StateValues.CPU_STATUS_RUN_USERMODE || status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 230                         // In running state get the current tid
 231                         ITmfStateSystem ssq = entry.getTrace().getStateSystems().get(LttngKernelTrace.STATE_ID);
 232
 233                         try {
 234                             retMap.put(Messages.ResourcesView_attributeHoverTime, Utils.formatTime(hoverTime, TimeFormat.CALENDAR, Resolution.NANOSEC));
 235                             int cpuQuark = entry.getQuark();
 236                             int currentThreadQuark = ssq.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
 237                             ITmfStateInterval interval = ssq.querySingleState(hoverTime, currentThreadQuark);
 238                             if (!interval.getStateValue().isNull()) {
 239                                 ITmfStateValue value = interval.getStateValue();
 240                                 int currentThreadId = value.unboxInt();
 241                                 retMap.put(Messages.ResourcesView_attributeTidName, Integer.toString(currentThreadId));
 242                                 int execNameQuark = ssq.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.EXEC_NAME);
 243                                 interval = ssq.querySingleState(hoverTime, execNameQuark);
 244                                 if (!interval.getStateValue().isNull()) {
 245                                     value = interval.getStateValue();
 246                                     retMap.put(Messages.ResourcesView_attributeProcessName, value.unboxStr());
 247                                 }
 248                                 if (status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 249                                     int syscallQuark = ssq.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.SYSTEM_CALL);
 250                                     interval = ssq.querySingleState(hoverTime, syscallQuark);
 251                                     if (!interval.getStateValue().isNull()) {
 252                                         value = interval.getStateValue();
 253                                         retMap.put(Messages.ResourcesView_attributeSyscallName, value.unboxStr());
 254                                     }
 255                                 }
 256                             }
 257                         } catch (AttributeNotFoundException e) {
 258                             e.printStackTrace();
 259                         } catch (TimeRangeException e) {
 260                             e.printStackTrace();
 261                         } catch (StateValueTypeException e) {
 262                             e.printStackTrace();
 263                         } catch (StateSystemDisposedException e) {
 264                             /* Ignored */
 265                         }
 266                     }
 267                 }
 268             }
 269         }
 270
 271         return retMap;
 272     }
 273
 274     @Override
 275     public void postDrawEvent(ITimeEvent event, Rectangle bounds, GC gc) {
 276         ITmfTimeGraphDrawingHelper drawingHelper = getDrawingHelper();
 277         if (bounds.width <= gc.getFontMetrics().getAverageCharWidth()) {
 278             return;
 279         }
 280
 281         if (!(event instanceof TimeEvent)) {
 282             return;
 283         }
 284         TimeEvent tcEvent = (TimeEvent) event;
 285         if (!tcEvent.hasValue()) {
 286             return;
 287         }
 288
 289         ResourcesEntry entry = (ResourcesEntry) event.getEntry();
 290         if (!entry.getType().equals(Type.CPU)) {
 291             return;
 292         }
 293
 294         int status = tcEvent.getValue();
 295         if (status != StateValues.CPU_STATUS_RUN_USERMODE && status != StateValues.CPU_STATUS_RUN_SYSCALL) {
 296             return;
 297         }
 298
 299         ITmfStateSystem ss = entry.getTrace().getStateSystems().get(LttngKernelTrace.STATE_ID);
 300         long time = event.getTime();
 301         try {
 302             while (time < event.getTime() + event.getDuration()) {
 303                 int cpuQuark = entry.getQuark();
 304                 int currentThreadQuark = ss.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
 305                 ITmfStateInterval tidInterval = ss.querySingleState(time, currentThreadQuark);
 306                 if (!tidInterval.getStateValue().isNull()) {
 307                     ITmfStateValue value = tidInterval.getStateValue();
 308                     int currentThreadId = value.unboxInt();
 309                     if (status == StateValues.CPU_STATUS_RUN_USERMODE && currentThreadId != fLastThreadId) {
 310                         int execNameQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.EXEC_NAME);
 311                         ITmfStateInterval interval = ss.querySingleState(time, execNameQuark);
 312                         if (!interval.getStateValue().isNull()) {
 313                             value = interval.getStateValue();
 314                             gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));
 315                             long startTime = Math.max(tidInterval.getStartTime(), event.getTime());
 316                             long endTime = Math.min(tidInterval.getEndTime() + 1, event.getTime() + event.getDuration());
 317                             if (drawingHelper.getXForTime(endTime) > bounds.x) {
 318                                 int x = Math.max(drawingHelper.getXForTime(startTime), bounds.x);
 319                                 int width = Math.min(drawingHelper.getXForTime(endTime), bounds.x + bounds.width) - x;
 320                                 int drawn = Utils.drawText(gc, value.unboxStr(), x + 1, bounds.y - 2, width - 1, true, true);
 321                                 if (drawn > 0) {
 322                                     fLastThreadId = currentThreadId;
 323                                 }
 324                             }
 325                         }
 326                     } else if (status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 327                         int syscallQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.SYSTEM_CALL);
 328                         ITmfStateInterval interval = ss.querySingleState(time, syscallQuark);
 329                         if (!interval.getStateValue().isNull()) {
 330                             value = interval.getStateValue();
 331                             gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));
 332                             long startTime = Math.max(tidInterval.getStartTime(), event.getTime());
 333                             long endTime = Math.min(tidInterval.getEndTime() + 1, event.getTime() + event.getDuration());
 334                             if (drawingHelper.getXForTime(endTime) > bounds.x) {
 335                                 int x = Math.max(drawingHelper.getXForTime(startTime), bounds.x);
 336                                 int width = Math.min(drawingHelper.getXForTime(endTime), bounds.x + bounds.width) - x;
 337                                 Utils.drawText(gc, value.unboxStr().substring(4), x + 1, bounds.y - 2, width - 1, true, true);
 338                             }
 339                         }
 340                     }
 341                 }
 342                 time = tidInterval.getEndTime() + 1;
 343                 if (time < event.getTime() + event.getDuration()) {
 344                     int x = drawingHelper.getXForTime(time);
 345                     if (x >= bounds.x) {
 346                         gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY));
 347                         gc.drawLine(x, bounds.y + 1, x, bounds.y + bounds.height - 2);
 348                     }
 349                 }
 350             }
 351         } catch (AttributeNotFoundException e) {
 352             e.printStackTrace();
 353         } catch (TimeRangeException e) {
 354             e.printStackTrace();
 355         } catch (StateValueTypeException e) {
 356             e.printStackTrace();
 357         } catch (StateSystemDisposedException e) {
 358             /* Ignored */
 359         }
 360     }
 361
 362     @Override
 363     public void postDrawEntry(ITimeGraphEntry entry, Rectangle bounds, GC gc) {
 364         fLastThreadId = -1;
 365     }
 366 }