org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/controlflow/evProcessor/AbsFlowTRangeUpdate.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are made
   5  * 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: Alvaro Sanchez-Leon - Initial implementation
  10  *******************************************************************************/
  11 package org.eclipse.linuxtools.lttng.ui.views.controlflow.evProcessor;
  12
  13 import java.util.Vector;
  14
  15 import org.eclipse.linuxtools.lttng.TraceDebug;
  16 import org.eclipse.linuxtools.lttng.state.StateStrings.ProcessStatus;
  17 import org.eclipse.linuxtools.lttng.state.evProcessor.IEventProcessing;
  18 import org.eclipse.linuxtools.lttng.state.model.LttngProcessState;
  19 import org.eclipse.linuxtools.lttng.state.model.LttngTraceState;
  20 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeComponent;
  21 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEvent;
  22 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEventProcess;
  23 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEvent.Type;
  24 import org.eclipse.linuxtools.lttng.ui.views.common.AbsTRangeUpdate;
  25 import org.eclipse.linuxtools.lttng.ui.views.common.ParamsUpdater;
  26 import org.eclipse.linuxtools.lttng.ui.views.controlflow.model.FlowModelFactory;
  27 import org.eclipse.linuxtools.lttng.ui.views.controlflow.model.FlowProcessContainer;
  28
  29 public abstract class AbsFlowTRangeUpdate extends AbsTRangeUpdate implements IEventProcessing {
  30
  31         // ========================================================================
  32         // Data
  33         // =======================================================================
  34
  35         protected FlowProcessContainer procContainer = FlowModelFactory.getProcContainer();
  36         protected ParamsUpdater params = FlowModelFactory.getParamsUpdater();
  37         protected static final Long ANY_CPU = 0L;
  38
  39
  40         // ========================================================================
  41         // Methods
  42         // =======================================================================
  43         protected TimeRangeEventProcess addLocalProcess(LttngProcessState stateProcess, long traceStartTime, long traceEndTime, String traceId) {
  44                 // TimeRangeEventProcess localProcess = new TimeRangeEventProcess(id, name, startTime, stopTime, groupName, className)
  45                 TimeRangeEventProcess localProcess = new TimeRangeEventProcess(
  46                                 procContainer.getUniqueId(), stateProcess.getName(),
  47                                 traceStartTime, traceEndTime, "", stateProcess.getType()
  48                                                 .getInName(), stateProcess.getCpu(), stateProcess
  49                                                 .getInsertion_time());
  50
  51
  52                 localProcess.setCreationTime(stateProcess.getCreation_time());
  53                 localProcess.setPid(stateProcess.getPid());
  54                 localProcess.setTgid(stateProcess.getTgid());
  55                 localProcess.setPpid(stateProcess.getPpid());
  56                 localProcess.setName(stateProcess.getName());
  57                 localProcess.setBrand(stateProcess.getBrand());
  58                 localProcess.setTraceID(traceId);
  59                 localProcess.setProcessType(stateProcess.getType().getInName());
  60                 procContainer.addProcess(localProcess);
  61                 return localProcess;
  62         }
  63
  64         /**
  65          * Used to check if the event is visible within the current visible time
  66          * window
  67          *
  68          * @return
  69          */
  70         protected boolean withinViewRange(long stime, long etime) {
  71                 long windowStartTime = params.getStartTime();
  72                 long windowEndTime = params.getEndTime();
  73
  74                 // start time is within window
  75                 if (stime >= windowStartTime && stime <= windowEndTime) {
  76                         // The event or part of it shall be displayed.
  77                         return true;
  78                 }
  79
  80                 // end time is within window
  81                 if (etime >= windowStartTime && etime <= windowEndTime) {
  82                         // The event or part of it shall be displayed.
  83                         return true;
  84                 }
  85
  86                 // check that a portion is within the window
  87                 if (stime < windowStartTime && etime > windowEndTime) {
  88                         // The time range is bigger than the selected time window and
  89                         // crosses it
  90                         return true;
  91                 }
  92
  93                 return false;
  94         }
  95
  96         /**
  97          * @param traceSt
  98          * @param startTime
  99          * @param endTime
 100          * @param localProcess
 101          * @param params
 102          * @param stateMode
 103          * @return
 104          */
 105         protected boolean makeDraw(LttngTraceState traceSt, long startTime,
 106                         long endTime, TimeRangeEventProcess localProcess,
 107                         ParamsUpdater params, String stateMode) {
 108
 109                 // Determine start and end times to establish duration
 110                 Long stime = startTime;
 111                 Long etime = endTime;
 112
 113                 if (etime < stime) {
 114                         // Validate the sequential order of events
 115                         params.incrementEventsDiscardedWrongOrder();
 116                         return false;
 117                 }
 118
 119                 if (!withinViewRange(stime, etime)) {
 120                         // No use to process the event since it's outside
 121                         // the visible time range of the window
 122                         params.incrementEventsDiscarded();
 123                         return false;
 124                 }
 125
 126                 // Determine if the time range event will fit it the current
 127                 // pixel map
 128                 double duration = etime - stime;
 129                 double k = getPixelsPerNs(traceSt, params);
 130                 double pixels = duration * k;
 131
 132                 // ***VERIFY***
 133                 // Is all this equivalent to this call in C??
 134                 // if(ltt_time_compare(hashed_process_data->next_good_time,evtime) > 0)
 135                 // ***
 136                 // Visibility check
 137                 // Display a "more information" indication by allowing non visible event
 138                 // as long as its previous event is visible.
 139                 boolean visible = true;
 140                 if (pixels < 1) {
 141                         boolean prevEventVisibility = true;
 142                         // Get the visibility indication on previous event for
 143                         // this process
 144                         Vector<TimeRangeComponent> inMemEvents = localProcess
 145                                         .getTraceEvents();
 146                         if (inMemEvents.size() != 0) {
 147                                 TimeRangeComponent prevEvent = inMemEvents.get(inMemEvents
 148                                                 .size() - 1);
 149                                 prevEventVisibility = prevEvent.isVisible();
 150
 151                                 // ***VERIFY***
 152                                 // This replace all C Call like this one ?
 153                                 // #ifdef EXTRA_CHECK if(ltt_time_compare(evtime,
 154                                 // time_window.start_time) == -1 || ltt_time_compare(evtime,
 155                                 // time_window.end_time) == 1)
 156
 157                                 // if previous event visibility is false and the time span
 158                                 // between events less than two pixels, there is no need to
 159                                 // load it in memory i.e. not visible and a more indicator is
 160                                 // within two pixels.
 161                                 // return i.e. event discarded to free up memory
 162                                 Long eventSpan = stime - prevEvent.getStartTime();
 163                                 if (prevEventVisibility == false
 164                                                 && ((double) eventSpan * k) < 2) {
 165
 166                                         // discard the item
 167                                         params.incrementEventsDiscarded();
 168                                         return false;
 169
 170                                 }
 171                         }
 172
 173                         // if previous event is visible, set this one to not
 174                         // visible and continue
 175                         visible = false;
 176                 }
 177
 178                 // Create the time-range event
 179                 // *** VERIFY ***
 180                 // This should replace this C call, right?
 181                 // TimeWindow time_window =
 182                 // lttvwindow_get_time_window(control_flow_data->tab);
 183                 TimeRangeEvent time_window = new TimeRangeEvent(stime, etime,
 184                                 localProcess, Type.PROCESS_MODE, stateMode);
 185
 186                 // *** VERIFY ***
 187                 // This is added to replace the multiple draw and gtk/glib command but
 188                 // I'm not sure about it
 189                 time_window.setVisible(visible);
 190                 localProcess.getTraceEvents().add(time_window);
 191                 localProcess.setNext_good_time(etime);
 192
 193                 // *** VERIFY ***
 194                 // Missing checks like this one?
 195                 // #ifdef EXTRA_CHECK if(ltt_time_compare(evtime,
 196                 // time_window.start_time) == -1 || ltt_time_compare(evtime,
 197                 // time_window.end_time) == 1)
 198
 199                 return false;
 200         }
 201
 202         /**
 203          * @param traceSt
 204          * @param evTime
 205          * @param process
 206          * @param localProcess
 207          * @param params
 208          * @return
 209          */
 210         protected boolean makeDraw(LttngTraceState traceSt, long evTime,
 211                         LttngProcessState process, TimeRangeEventProcess localProcess,
 212                         ParamsUpdater params) {
 213
 214                 // TmfTimestamp stime = process.getState().getChange_LttTime();
 215                 long stime = localProcess.getNext_good_time();
 216
 217                 String stateMode;
 218                 ProcessStatus procStatus = process.getState().getProc_status();
 219                 // Use Execution mode if process state is RUN otherwise use the actual
 220                 // process state,
 221                 // this selection will determine the actual color selected for the event
 222                 if (procStatus == ProcessStatus.LTTV_STATE_RUN) {
 223                         stateMode = process.getState().getExec_mode().getInName();
 224                 } else {
 225                         stateMode = procStatus.getInName();
 226                 }
 227
 228                 return makeDraw(traceSt, stime, evTime, localProcess, params, stateMode);
 229
 230         }
 231
 232 }