org.eclipse.linuxtools.btf.core.tests/src/org/eclipse/linuxtools/btf/core/tests/utils/TestBtfTrace.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 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  *   Matthew Khouzam - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.btf.core.tests.utils;
  14
  15 import java.io.IOException;
  16
  17 import org.eclipse.linuxtools.btf.core.trace.BtfTrace;
  18 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  19 import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
  20 import org.eclipse.linuxtools.tmf.core.trace.ITmfContext;
  21
  22 /**
  23  * Helpers for testing the btf trace. There is a main() top run the code without
  24  * eclipse (for educational purposes) and an event printer
  25  *
  26  * @author Matthew Khouzam
  27  */
  28 public class TestBtfTrace {
  29
  30     /**
  31      * Test
  32      *
  33      * @param args
  34      *            nothing
  35      * @throws TmfTraceException
  36      *             exception
  37      */
  38     public static void main(String[] args) throws TmfTraceException {
  39         try (BtfTrace trace = new BtfTrace()) {
  40             trace.initTrace(null, BtfTestTrace.BTF_TEST.getFullPath(), null);
  41             System.out.println(trace.toString());
  42             ITmfContext ctx = trace.seekEvent(0);
  43             ITmfContext ctx1 = trace.seekEvent(10);
  44             ITmfEvent event = trace.getNext(ctx);
  45             ITmfEvent compare = null;
  46             while (event != null) {
  47                 if (event.getRank() == 10) {
  48                     compare = event;
  49                 }
  50                 printEvent(event);
  51                 event = trace.getNext(ctx);
  52             }
  53             ITmfEvent other = trace.getNext(ctx1);
  54             printEvent(other);
  55             printEvent(compare);
  56         } catch (IOException e) {
  57             e.printStackTrace();
  58         }
  59     }
  60
  61     private static void printEvent(ITmfEvent event) {
  62         if (event == null) {
  63             System.out.println("null");
  64         } else {
  65             System.out.println(event.getRank() + " " + event.getTimestamp().getValue() + " " + event.getSource() + " " + event.getType().getName() + " " + event.getContent().toString());
  66         }
  67     }
  68
  69 }