analysis/org.eclipse.tracecompass.analysis.os.linux.ui/src/org/eclipse/tracecompass/analysis/os/linux/ui/views/resources/ResourcesPresentationProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2015 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.tracecompass.analysis.os.linux.ui.views.resources;
  15
  16 import java.util.LinkedHashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.graphics.Color;
  22 import org.eclipse.swt.graphics.GC;
  23 import org.eclipse.swt.graphics.RGB;
  24 import org.eclipse.swt.graphics.Rectangle;
  25 import org.eclipse.tracecompass.analysis.os.linux.core.kernel.Attributes;
  26 import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule;
  27 import org.eclipse.tracecompass.analysis.os.linux.core.kernel.StateValues;
  28 import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelAnalysisEventLayout;
  29 import org.eclipse.tracecompass.analysis.os.linux.core.trace.IKernelTrace;
  30 import org.eclipse.tracecompass.analysis.os.linux.ui.views.resources.ResourcesEntry.Type;
  31 import org.eclipse.tracecompass.internal.analysis.os.linux.ui.Activator;
  32 import org.eclipse.tracecompass.internal.analysis.os.linux.ui.Messages;
  33 import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem;
  34 import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException;
  35 import org.eclipse.tracecompass.statesystem.core.exceptions.StateSystemDisposedException;
  36 import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException;
  37 import org.eclipse.tracecompass.statesystem.core.exceptions.TimeRangeException;
  38 import org.eclipse.tracecompass.statesystem.core.interval.ITmfStateInterval;
  39 import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue;
  40 import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule;
  41 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  42 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.StateItem;
  43 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;
  44 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeEvent;
  45 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  46 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.NullTimeEvent;
  47 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeEvent;
  48 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.ITmfTimeGraphDrawingHelper;
  49 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils;
  50 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils.Resolution;
  51 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat;
  52
  53 /**
  54  * Presentation provider for the Resource view, based on the generic TMF
  55  * presentation provider.
  56  *
  57  * @author Patrick Tasse
  58  */
  59 public class ResourcesPresentationProvider extends TimeGraphPresentationProvider {
  60
  61     private long fLastThreadId = -1;
  62     private Color fColorWhite;
  63     private Color fColorGray;
  64     private Integer fAverageCharWidth;
  65
  66     private enum State {
  67         IDLE             (new RGB(200, 200, 200)),
  68         USERMODE         (new RGB(  0, 200,   0)),
  69         SYSCALL          (new RGB(  0,   0, 200)),
  70         IRQ              (new RGB(200,   0, 100)),
  71         SOFT_IRQ         (new RGB(200, 150, 100)),
  72         IRQ_ACTIVE       (new RGB(200,   0, 100)),
  73         SOFT_IRQ_RAISED  (new RGB(200, 200,   0)),
  74         SOFT_IRQ_ACTIVE  (new RGB(200, 150, 100));
  75
  76         public final RGB rgb;
  77
  78         private State(RGB rgb) {
  79             this.rgb = rgb;
  80         }
  81     }
  82
  83     /**
  84      * Default constructor
  85      */
  86     public ResourcesPresentationProvider() {
  87         super();
  88     }
  89
  90     private static State[] getStateValues() {
  91         return State.values();
  92     }
  93
  94     private static State getEventState(TimeEvent event) {
  95         if (event.hasValue()) {
  96             ResourcesEntry entry = (ResourcesEntry) event.getEntry();
  97             int value = event.getValue();
  98
  99             if (entry.getType() == Type.CPU) {
 100                 if (value == StateValues.CPU_STATUS_IDLE) {
 101                     return State.IDLE;
 102                 } else if (value == StateValues.CPU_STATUS_RUN_USERMODE) {
 103                     return State.USERMODE;
 104                 } else if (value == StateValues.CPU_STATUS_RUN_SYSCALL) {
 105                     return State.SYSCALL;
 106                 } else if (value == StateValues.CPU_STATUS_IRQ) {
 107                     return State.IRQ;
 108                 } else if (value == StateValues.CPU_STATUS_SOFTIRQ) {
 109                     return State.SOFT_IRQ;
 110                 }
 111             } else if (entry.getType() == Type.IRQ) {
 112                 return State.IRQ_ACTIVE;
 113             } else if (entry.getType() == Type.SOFT_IRQ) {
 114                 if (value == StateValues.CPU_STATUS_SOFT_IRQ_RAISED) {
 115                     return State.SOFT_IRQ_RAISED;
 116                 }
 117                 return State.SOFT_IRQ_ACTIVE;
 118             }
 119         }
 120         return null;
 121     }
 122
 123     @Override
 124     public int getStateTableIndex(ITimeEvent event) {
 125         State state = getEventState((TimeEvent) event);
 126         if (state != null) {
 127             return state.ordinal();
 128         }
 129         if (event instanceof NullTimeEvent) {
 130             return INVISIBLE;
 131         }
 132         return TRANSPARENT;
 133     }
 134
 135     @Override
 136     public StateItem[] getStateTable() {
 137         State[] states = getStateValues();
 138         StateItem[] stateTable = new StateItem[states.length];
 139         for (int i = 0; i < stateTable.length; i++) {
 140             State state = states[i];
 141             stateTable[i] = new StateItem(state.rgb, state.toString());
 142         }
 143         return stateTable;
 144     }
 145
 146     @Override
 147     public String getEventName(ITimeEvent event) {
 148         State state = getEventState((TimeEvent) event);
 149         if (state != null) {
 150             return state.toString();
 151         }
 152         if (event instanceof NullTimeEvent) {
 153             return null;
 154         }
 155         return Messages.ResourcesView_multipleStates;
 156     }
 157
 158     @Override
 159     public Map<String, String> getEventHoverToolTipInfo(ITimeEvent event, long hoverTime) {
 160
 161         Map<String, String> retMap = new LinkedHashMap<>();
 162         if (event instanceof TimeEvent && ((TimeEvent) event).hasValue()) {
 163
 164             TimeEvent tcEvent = (TimeEvent) event;
 165             ResourcesEntry entry = (ResourcesEntry) event.getEntry();
 166
 167             if (tcEvent.hasValue()) {
 168                 ITmfStateSystem ss = TmfStateSystemAnalysisModule.getStateSystem(entry.getTrace(), KernelAnalysisModule.ID);
 169                 if (ss == null) {
 170                     return retMap;
 171                 }
 172                 // Check for IRQ or Soft_IRQ type
 173                 if (entry.getType().equals(Type.IRQ) || entry.getType().equals(Type.SOFT_IRQ)) {
 174
 175                     // Get CPU of IRQ or SoftIRQ and provide it for the tooltip display
 176                     int cpu = tcEvent.getValue();
 177                     if (cpu >= 0) {
 178                         retMap.put(Messages.ResourcesView_attributeCpuName, String.valueOf(cpu));
 179                     }
 180                 }
 181
 182                 // Check for type CPU
 183                 else if (entry.getType().equals(Type.CPU)) {
 184                     int status = tcEvent.getValue();
 185
 186                     if (status == StateValues.CPU_STATUS_IRQ) {
 187                         // In IRQ state get the IRQ that caused the interruption
 188                         int cpu = entry.getId();
 189
 190                         try {
 191                             List<ITmfStateInterval> fullState = ss.queryFullState(event.getTime());
 192                             List<Integer> irqQuarks = ss.getQuarks(Attributes.CPUS, Integer.toString(cpu), Attributes.IRQS, "*"); //$NON-NLS-1$
 193
 194                             for (int irqQuark : irqQuarks) {
 195                                 if (fullState.get(irqQuark).getStateValue().unboxInt() == cpu) {
 196                                     ITmfStateInterval value = ss.querySingleState(event.getTime(), irqQuark);
 197                                     if (!value.getStateValue().isNull()) {
 198                                         int irq = Integer.parseInt(ss.getAttributeName(irqQuark));
 199                                         retMap.put(Messages.ResourcesView_attributeIrqName, String.valueOf(irq));
 200                                     }
 201                                     break;
 202                                 }
 203                             }
 204                         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 205                             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 206                         } catch (StateSystemDisposedException e) {
 207                             /* Ignored */
 208                         }
 209                     } else if (status == StateValues.CPU_STATUS_SOFTIRQ) {
 210                         // In SOFT_IRQ state get the SOFT_IRQ that caused the interruption
 211                         int cpu = entry.getId();
 212
 213                         try {
 214                             List<ITmfStateInterval> fullState = ss.queryFullState(event.getTime());
 215                             List<Integer> softIrqQuarks = ss.getQuarks(Attributes.CPUS, Integer.toString(cpu), Attributes.SOFT_IRQS, "*"); //$NON-NLS-1$
 216
 217                             for (int softIrqQuark : softIrqQuarks) {
 218                                 if (fullState.get(softIrqQuark).getStateValue().unboxInt() == cpu) {
 219                                     ITmfStateInterval value = ss.querySingleState(event.getTime(), softIrqQuark);
 220                                     if (!value.getStateValue().isNull()) {
 221                                         int softIrq = Integer.parseInt(ss.getAttributeName(softIrqQuark));
 222                                         retMap.put(Messages.ResourcesView_attributeSoftIrqName, String.valueOf(softIrq));
 223                                     }
 224                                     break;
 225                                 }
 226                             }
 227                         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 228                             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 229                         } catch (StateSystemDisposedException e) {
 230                             /* Ignored */
 231                         }
 232                     } else if (status == StateValues.CPU_STATUS_RUN_USERMODE || status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 233                         // In running state get the current tid
 234
 235                         try {
 236                             retMap.put(Messages.ResourcesView_attributeHoverTime, Utils.formatTime(hoverTime, TimeFormat.CALENDAR, Resolution.NANOSEC));
 237                             int cpuQuark = entry.getQuark();
 238                             int currentThreadQuark = ss.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
 239                             ITmfStateInterval interval = ss.querySingleState(hoverTime, currentThreadQuark);
 240                             if (!interval.getStateValue().isNull()) {
 241                                 ITmfStateValue value = interval.getStateValue();
 242                                 int currentThreadId = value.unboxInt();
 243                                 retMap.put(Messages.ResourcesView_attributeTidName, Integer.toString(currentThreadId));
 244                                 int execNameQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.EXEC_NAME);
 245                                 interval = ss.querySingleState(hoverTime, execNameQuark);
 246                                 if (!interval.getStateValue().isNull()) {
 247                                     value = interval.getStateValue();
 248                                     retMap.put(Messages.ResourcesView_attributeProcessName, value.unboxStr());
 249                                 }
 250                                 if (status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 251                                     int syscallQuark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), Attributes.SYSTEM_CALL);
 252                                     interval = ss.querySingleState(hoverTime, syscallQuark);
 253                                     if (!interval.getStateValue().isNull()) {
 254                                         value = interval.getStateValue();
 255                                         retMap.put(Messages.ResourcesView_attributeSyscallName, value.unboxStr());
 256                                     }
 257                                 }
 258                             }
 259                         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 260                             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 261                         } catch (StateSystemDisposedException e) {
 262                             /* Ignored */
 263                         }
 264                     }
 265                 }
 266             }
 267         }
 268
 269         return retMap;
 270     }
 271
 272     @Override
 273     public void postDrawEvent(ITimeEvent event, Rectangle bounds, GC gc) {
 274         if (fColorGray == null) {
 275             fColorGray = gc.getDevice().getSystemColor(SWT.COLOR_GRAY);
 276         }
 277         if (fColorWhite == null) {
 278             fColorWhite = gc.getDevice().getSystemColor(SWT.COLOR_WHITE);
 279         }
 280         if (fAverageCharWidth == null) {
 281             fAverageCharWidth = gc.getFontMetrics().getAverageCharWidth();
 282         }
 283
 284         ITmfTimeGraphDrawingHelper drawingHelper = getDrawingHelper();
 285         if (bounds.width <= fAverageCharWidth) {
 286             return;
 287         }
 288
 289         if (!(event instanceof TimeEvent)) {
 290             return;
 291         }
 292         TimeEvent tcEvent = (TimeEvent) event;
 293         if (!tcEvent.hasValue()) {
 294             return;
 295         }
 296
 297         ResourcesEntry entry = (ResourcesEntry) event.getEntry();
 298         if (!entry.getType().equals(Type.CPU)) {
 299             return;
 300         }
 301
 302         int status = tcEvent.getValue();
 303         if (status != StateValues.CPU_STATUS_RUN_USERMODE && status != StateValues.CPU_STATUS_RUN_SYSCALL) {
 304             return;
 305         }
 306
 307         ITmfStateSystem ss = TmfStateSystemAnalysisModule.getStateSystem(entry.getTrace(), KernelAnalysisModule.ID);
 308         if (ss == null) {
 309             return;
 310         }
 311         long time = event.getTime();
 312         try {
 313             while (time < event.getTime() + event.getDuration()) {
 314                 int cpuQuark = entry.getQuark();
 315                 int currentThreadQuark = ss.getQuarkRelative(cpuQuark, Attributes.CURRENT_THREAD);
 316                 ITmfStateInterval tidInterval = ss.querySingleState(time, currentThreadQuark);
 317                 long startTime = Math.max(tidInterval.getStartTime(), event.getTime());
 318                 int x = Math.max(drawingHelper.getXForTime(startTime), bounds.x);
 319                 if (x >= bounds.x + bounds.width) {
 320                     break;
 321                 }
 322                 if (!tidInterval.getStateValue().isNull()) {
 323                     ITmfStateValue value = tidInterval.getStateValue();
 324                     int currentThreadId = value.unboxInt();
 325                     long endTime = Math.min(tidInterval.getEndTime() + 1, event.getTime() + event.getDuration());
 326                     int xForEndTime = drawingHelper.getXForTime(endTime);
 327                     if (xForEndTime > bounds.x) {
 328                         int width = Math.min(xForEndTime, bounds.x + bounds.width) - x - 1;
 329                         if (width > 0) {
 330                             String attribute = null;
 331                             int beginIndex = 0;
 332                             if (status == StateValues.CPU_STATUS_RUN_USERMODE && currentThreadId != fLastThreadId) {
 333                                 attribute = Attributes.EXEC_NAME;
 334                             } else if (status == StateValues.CPU_STATUS_RUN_SYSCALL) {
 335                                 attribute = Attributes.SYSTEM_CALL;
 336                                 /*
 337                                  * Remove the "sys_" or "syscall_entry_" or similar from what we
 338                                  * draw in the rectangle. This depends on the trace's event layout.
 339                                  */
 340                                 ITmfTrace trace = entry.getTrace();
 341                                 if (trace instanceof IKernelTrace) {
 342                                     IKernelAnalysisEventLayout layout = ((IKernelTrace) trace).getKernelEventLayout();
 343                                     beginIndex = layout.eventSyscallEntryPrefix().length();
 344                                 }
 345                             }
 346                             if (attribute != null) {
 347                                 int quark = ss.getQuarkAbsolute(Attributes.THREADS, Integer.toString(currentThreadId), attribute);
 348                                 ITmfStateInterval interval = ss.querySingleState(time, quark);
 349                                 if (!interval.getStateValue().isNull()) {
 350                                     value = interval.getStateValue();
 351                                     gc.setForeground(fColorWhite);
 352                                     int drawn = Utils.drawText(gc, value.unboxStr().substring(beginIndex), x + 1, bounds.y, width, bounds.height, true, true);
 353                                     if (drawn > 0 && status == StateValues.CPU_STATUS_RUN_USERMODE) {
 354                                         fLastThreadId = currentThreadId;
 355                                     }
 356                                 }
 357                             }
 358                             if (xForEndTime < bounds.x + bounds.width) {
 359                                 gc.setForeground(fColorGray);
 360                                 gc.drawLine(xForEndTime, bounds.y + 1, xForEndTime, bounds.y + bounds.height - 2);
 361                             }
 362                         }
 363                     }
 364                 }
 365                 // make sure next time is at least at the next pixel
 366                 time = Math.max(tidInterval.getEndTime() + 1, drawingHelper.getTimeAtX(x + 1));
 367             }
 368         } catch (AttributeNotFoundException | TimeRangeException | StateValueTypeException e) {
 369             Activator.getDefault().logError("Error in ResourcesPresentationProvider", e); //$NON-NLS-1$
 370         } catch (StateSystemDisposedException e) {
 371             /* Ignored */
 372         }
 373     }
 374
 375     @Override
 376     public void postDrawEntry(ITimeGraphEntry entry, Rectangle bounds, GC gc) {
 377         fLastThreadId = -1;
 378     }
 379 }