org.eclipse.linuxtools.lttng.core.tests/src/org/eclipse/linuxtools/lttng/core/tests/headless/JniTraceTest.java

   1 package org.eclipse.linuxtools.lttng.core.tests.headless;
   2 /*******************************************************************************
   3  * Copyright (c) 2009 Ericsson
   4  *
   5  * All rights reserved. This program and the accompanying materials are
   6  * made available under the terms of the Eclipse Public License v1.0 which
   7  * accompanies this distribution, and is available at
   8  * http://www.eclipse.org/legal/epl-v10.html
   9  *
  10  * Contributors:
  11  *   William Bourque (wbourque@gmail.com) - Initial API and implementation
  12  *******************************************************************************/
  13
  14 import java.util.ArrayList;
  15
  16 import org.eclipse.linuxtools.internal.lttng.jni.common.JniTime;
  17 import org.eclipse.linuxtools.lttng.jni.JniEvent;
  18 import org.eclipse.linuxtools.lttng.jni.JniMarkerField;
  19 import org.eclipse.linuxtools.lttng.jni.JniTrace;
  20 import org.eclipse.linuxtools.lttng.jni.factory.JniTraceFactory;
  21
  22
  23 @SuppressWarnings("nls")
  24 public class JniTraceTest {
  25
  26     public static void main(String[] args) {
  27
  28         // Path of the trace
  29         final String TRACE_PATH = "/home/william/trace-614601events-nolost-newformat";
  30
  31         // *** Change this to run several time over the same trace
  32         final int NB_OF_PASS = 1;
  33
  34         // *** Change this to true to parse all the events in the trace
  35         //      Otherwise, events are just read
  36         final boolean PARSE_EVENTS = true;
  37
  38
  39         // Work variables
  40         JniTrace tmptrace = null;
  41         JniEvent tmpevent = null;
  42         Long nbEvent = 0L;
  43
  44         try {
  45                 // Get the trace from the Factory...
  46                 //      This assume the path is correct and that the correct version of the lib is installed
  47             tmptrace = JniTraceFactory.getJniTrace(TRACE_PATH, null, false);
  48
  49             // Seek beginning
  50             tmptrace.seekToTime(new JniTime(0L));
  51
  52             // Run up to "NB_OF_PASS" on the same trace
  53             for (int x=0; x<NB_OF_PASS; x++ ){
  54                 tmpevent = tmptrace.readNextEvent();
  55                 nbEvent++;
  56
  57                 while ( tmpevent != null ) {
  58
  59                         // Parse event if asked
  60                         if ( PARSE_EVENTS ) {
  61                                 ArrayList<JniMarkerField> tmpFields = tmpevent.getMarkersMap().get(tmpevent.getEventMarkerId()).getMarkerFieldsArrayList();
  62                                 for ( int pos=0; pos<tmpFields.size(); pos++ ) {
  63                                     @SuppressWarnings("unused")
  64                                                         Object newValue = tmpevent.parseFieldById(pos);
  65
  66                                     // *** Uncomment the following to print the parsed content
  67                                     // Warning : this is VERY intensive
  68                                     //if ( pos == (tmpFields.size() -1) ) {
  69                                     //  tmptrace.printC(tmpevent.getEventPtr().getLibraryId(), tmpFields.get(pos).getField() + ":" + newValue + " ");
  70                                     //} else {
  71                                     //  tmptrace.printlnC(tmpevent.getEventPtr().getLibraryId(), tmpFields.get(pos).getField() + ":" + newValue + " ");
  72                                     //}
  73                                 }
  74                         }
  75
  76                         tmpevent = tmptrace.readNextEvent();
  77                         nbEvent++;
  78                     }
  79             }
  80
  81             System.out.println("NB Events read : " + nbEvent);
  82         }
  83         catch (Exception e) {
  84             e.printStackTrace();
  85         }
  86     }
  87
  88 }