org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/internal/lttng/ui/model/trange/TimeRangeResourceFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009 Ericsson
   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  *   Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.internal.lttng.ui.model.trange;
  13
  14
  15 import org.eclipse.linuxtools.internal.lttng.core.state.StateStrings;
  16 import org.eclipse.linuxtools.internal.lttng.core.state.model.LTTngCPUState;
  17 import org.eclipse.linuxtools.internal.lttng.core.state.model.LttngIRQState;
  18 import org.eclipse.linuxtools.internal.lttng.core.state.model.LttngTraceState;
  19 import org.eclipse.linuxtools.internal.lttng.core.state.model.LttngTrapState;
  20 import org.eclipse.linuxtools.internal.lttng.ui.model.trange.TimeRangeEventResource.ResourceTypes;
  21
  22 /**
  23  * Creates Resources with custom implementation to obtain its corresponding
  24  * state mode
  25  * <p>
  26  * The state mode resolution is needed at the end of a data request, as well as
  27  * in the before and after handlers
  28  * </p>
  29  *
  30  * @author alvaro
  31  *
  32  */
  33 public class TimeRangeResourceFactory {
  34         // ========================================================================
  35         // Data
  36         // =======================================================================
  37         private static TimeRangeResourceFactory instance = null;
  38
  39         // ========================================================================
  40         // Create instance
  41         // =======================================================================
  42         /**
  43          * Factory singleton
  44          *
  45          * @return
  46          */
  47         public static TimeRangeResourceFactory getInstance() {
  48                 if (instance == null) {
  49                         instance = new TimeRangeResourceFactory();
  50                 }
  51                 return instance;
  52         }
  53
  54         // ========================================================================
  55         // Public methods
  56         // =======================================================================
  57         public TimeRangeEventResource createResource(int newId, long newStartTime,
  58                         long newStopTime, String newName, String newGroupName,
  59                         String newClassName, ResourceTypes type, Long newResourceId,
  60                         long insertionTime) {
  61
  62                 TimeRangeEventResource resource = null;
  63                 switch (type) {
  64                 case CPU:
  65                         resource = createCpuResource(newId, newStartTime, newStopTime,
  66                                         newName, newGroupName, newClassName, type, newResourceId,
  67                                         insertionTime);
  68                         break;
  69                 case IRQ:
  70                         resource = createIrqResource(newId, newStartTime, newStopTime,
  71                                         newName, newGroupName, newClassName, type, newResourceId,
  72                                         insertionTime);
  73                         break;
  74                 case SOFT_IRQ:
  75                         resource = createSoftIrqResource(newId, newStartTime, newStopTime,
  76                                         newName, newGroupName, newClassName, type, newResourceId,
  77                                         insertionTime);
  78                         break;
  79                 case TRAP:
  80                         resource = createTrapResource(newId, newStartTime, newStopTime,
  81                                         newName, newGroupName, newClassName, type, newResourceId,
  82                                         insertionTime);
  83                         break;
  84                 case BDEV:
  85                         resource = createBdevResource(newId, newStartTime, newStopTime,
  86                                         newName, newGroupName, newClassName, type, newResourceId,
  87                                         insertionTime);
  88                         break;
  89                 default:
  90                         break;
  91                 }
  92
  93                 return resource;
  94         }
  95
  96         // ========================================================================
  97         // Private methods
  98         // =======================================================================
  99         private TimeRangeEventResource createIrqResource(int newId,
 100                         long newStartTime, long newStopTime, String newName,
 101                         String newGroupName, String newClassName, ResourceTypes newType,
 102                         Long newResourceId, long insertionTime) {
 103
 104                 TimeRangeEventResource resource = new TimeRangeEventResource(newId,
 105                                 newStartTime, newStopTime, newName, newGroupName, newClassName,
 106                                 newType, newResourceId, insertionTime) {
 107
 108                         @Override
 109                         public String getStateMode(LttngTraceState traceSt) {
 110                                 LttngIRQState irqState = traceSt.getIrq_states().get(
 111                                                 getResourceId());
 112                                 String statemode = ""; //$NON-NLS-1$
 113                                 if (irqState != null) {
 114                                         statemode = irqState.peekFromIrqStack().getInName();
 115                                 }
 116
 117                                 return statemode;
 118                         }
 119                 };
 120
 121                 return resource;
 122         }
 123
 124         private TimeRangeEventResource createTrapResource(int newId,
 125                         long newStartTime, long newStopTime, String newName,
 126                         String newGroupName, String newClassName, ResourceTypes newType,
 127                         Long newResourceId, long insertionTime) {
 128
 129                 TimeRangeEventResource resource = new TimeRangeEventResource(newId,
 130                                 newStartTime, newStopTime, newName, newGroupName, newClassName,
 131                                 newType, newResourceId, insertionTime) {
 132
 133                         @Override
 134                         public String getStateMode(LttngTraceState traceSt) {
 135                                 // Determine the trap state.
 136                                 String trapStateMode = ""; //$NON-NLS-1$
 137                                 LttngTrapState ts = traceSt.getTrap_states().get(getResourceId());
 138
 139                                 // *** Note :
 140                                 //      Ts might not have been created yet.
 141                                 //      This is because the state system will be updated next to this before hook
 142                                 //      It should be correct to create it here as Busy
 143                                 //              (traps are created with running++ so it wont be idle)
 144                                 if ( ts != null ) {
 145                                         Long trapState = ts.getRunning();
 146
 147                                         if (trapState == 0) {
 148                                                 trapStateMode = StateStrings.TrapMode.LTTV_TRAP_IDLE.getInName();
 149                                         } else {
 150                                                 trapStateMode = StateStrings.TrapMode.LTTV_TRAP_BUSY.getInName();
 151                                         }
 152                                 }
 153                                 else {
 154                                         trapStateMode = StateStrings.TrapMode.LTTV_TRAP_BUSY.getInName();
 155                                 }
 156
 157                                 return trapStateMode;
 158                         }
 159                 };
 160
 161                 return resource;
 162         }
 163
 164         private TimeRangeEventResource createSoftIrqResource(int newId,
 165                         long newStartTime, long newStopTime, String newName,
 166                         String newGroupName, String newClassName, ResourceTypes newType,
 167                         Long newResourceId, long insertionTime) {
 168
 169                 TimeRangeEventResource resource = new TimeRangeEventResource(newId,
 170                                 newStartTime, newStopTime, newName, newGroupName, newClassName,
 171                                 newType, newResourceId, insertionTime) {
 172
 173                         @Override
 174                         public String getStateMode(LttngTraceState traceSt) {
 175                                 // Get the resource id.
 176                                 Long softIrqId = getResourceId();
 177                                 // Get the resource state mode
 178                                 long running = traceSt.getSoft_irq_states().get(softIrqId)
 179                                                 .getRunning().longValue();
 180                                 long pending = traceSt.getSoft_irq_states().get(softIrqId)
 181                                                 .getPending().longValue();
 182
 183                                 String softIrqStateMode;
 184                                 if (running > 0) {
 185                                         softIrqStateMode = StateStrings.SoftIRQMode.LTTV_SOFT_IRQ_BUSY
 186                                                         .getInName();
 187                                 } else if (pending > 0) {
 188                                         softIrqStateMode = StateStrings.SoftIRQMode.LTTV_SOFT_IRQ_PENDING
 189                                                         .getInName();
 190                                 } else {
 191                                         softIrqStateMode = StateStrings.SoftIRQMode.LTTV_SOFT_IRQ_IDLE
 192                                                         .getInName();
 193                                 }
 194
 195                                 return softIrqStateMode;
 196                         }
 197
 198                 };
 199
 200                 return resource;
 201         }
 202
 203         private TimeRangeEventResource createBdevResource(int newId,
 204                         long newStartTime, long newStopTime, String newName,
 205                         String newGroupName, String newClassName, ResourceTypes newType,
 206                         Long newResourceId, long insertionTime) {
 207
 208                 TimeRangeEventResource resource = new TimeRangeEventResource(newId,
 209                                 newStartTime, newStopTime, newName, newGroupName, newClassName,
 210                                 newType, newResourceId, insertionTime) {
 211
 212                         @Override
 213                         public String getStateMode(LttngTraceState traceSt) {
 214                                 // Get the resource state mode
 215                                 String bdevStateMode = traceSt.getBdev_states().get(
 216                                                 getResourceId()).peekFromBdevStack().getInName();
 217
 218                                 return bdevStateMode;
 219                         }
 220
 221                 };
 222
 223                 return resource;
 224         }
 225
 226         private TimeRangeEventResource createCpuResource(int newId,
 227                         long newStartTime, long newStopTime, String newName,
 228                         String newGroupName, String newClassName, ResourceTypes newType,
 229                         Long newResourceId, long insertionTime) {
 230
 231                 TimeRangeEventResource resource = new TimeRangeEventResource(newId,
 232                                 newStartTime, newStopTime, newName, newGroupName, newClassName,
 233                                 newType, newResourceId, insertionTime) {
 234
 235                         @Override
 236                         public String getStateMode(LttngTraceState traceSt) {
 237                                 // Get the resource state mode
 238                             LTTngCPUState cpuState = traceSt.getCpu_states().get(
 239                         getResourceId());
 240
 241                                 String cpuStateMode = ""; //$NON-NLS-1$
 242                                 if (cpuState != null) {
 243                                     cpuStateMode = traceSt.getCpu_states().get(
 244                                             getResourceId())
 245                                             .peekFromCpuStack().getInName();
 246                                 }
 247
 248                                 return cpuStateMode;
 249                         }
 250
 251                 };
 252
 253                 return resource;
 254         }
 255 }