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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 | * William Bourque (wbourque@gmail.com) - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | import org.eclipse.linuxtools.lttng.event.LttngEvent; | |
14 | import org.eclipse.linuxtools.lttng.event.LttngLocation; | |
15 | import org.eclipse.linuxtools.lttng.event.LttngTimestamp; | |
16 | import org.eclipse.linuxtools.lttng.trace.LTTngTextTrace; | |
17 | import org.eclipse.linuxtools.lttng.trace.LTTngTrace; | |
18 | import org.eclipse.linuxtools.tmf.trace.TmfContext; | |
19 | import org.eclipse.linuxtools.tmf.trace.TmfTrace; | |
20 | ||
21 | ||
22 | public class LttngTraceTest { | |
23 | ||
24 | /** | |
25 | * @param args | |
26 | */ | |
27 | public static void main(String[] args) { | |
28 | ||
29 | // Path of the trace | |
30 | final String TRACE_PATH = "/home/william/trace-614601events-nolost-newformat"; | |
31 | ||
32 | // *** Change to true to use the "fake" LttngTextTrace instead of LTTngTrace | |
33 | // To use this, you need a ".txt" trace. | |
34 | // You can get it using LTTv with the command "lttv -m textDump -t /tmp/sometrace > mytrace.txt" | |
35 | final boolean USE_TEXT_TRACE = false; | |
36 | ||
37 | // *** Change this to run several time over the same trace | |
38 | final int NB_OF_PASS = 1; | |
39 | ||
40 | // *** Change this to true to parse all the events in the trace | |
41 | // Otherwise, events are just read | |
42 | final boolean PARSE_EVENTS = true; | |
43 | ||
44 | ||
45 | // Work variables | |
46 | TmfTrace<LttngEvent> tmptrace = null; | |
47 | LttngEvent tmpevent = null; | |
48 | TmfContext tmpContext = null; | |
49 | Long nbEvent = 0L; | |
50 | ||
51 | try { | |
52 | // ** Use TextTrace (slow!) if it was asked | |
53 | if ( USE_TEXT_TRACE ) { | |
54 | tmptrace = new LTTngTextTrace(TRACE_PATH, true); | |
55 | } else { | |
56 | tmptrace = new LTTngTrace(TRACE_PATH, true, true); | |
57 | } | |
58 | ||
59 | LttngTimestamp tmpTime = new LttngTimestamp(0L); | |
60 | tmpContext = new TmfContext(new LttngLocation(0L), 0); | |
61 | ||
62 | for ( int nb=0; nb<NB_OF_PASS; nb++) { | |
63 | ||
64 | // Seek to the beginning of the trace | |
65 | tmpContext = tmptrace.seekEvent( tmpTime ); | |
66 | tmpevent = (LttngEvent)tmptrace.getNextEvent(tmpContext); | |
67 | ||
68 | while ( tmpevent != null ) { | |
69 | tmpevent = (LttngEvent)tmptrace.getNextEvent(tmpContext); | |
70 | ||
71 | // Parse the events if it was asked | |
72 | if ( (tmpevent != null) && (PARSE_EVENTS) ) { | |
73 | tmpevent.getContent().getFields(); | |
74 | ||
75 | // *** Uncomment the following to print the parsed content | |
76 | // Warning : this is VERY intensive | |
77 | // | |
78 | //System.out.println(testEvent.toString()); | |
79 | //System.out.println(testEvent.getContent().toString()); | |
80 | } | |
81 | ||
82 | nbEvent++; | |
83 | } | |
84 | } | |
85 | ||
86 | System.out.println("NB events : " + nbEvent); | |
87 | ||
88 | } | |
89 | catch (Exception e) { | |
90 | e.printStackTrace(); | |
91 | } | |
92 | ||
93 | } | |
94 | ||
95 | } |