6b3d5a177f3756d9b7436316117de82e11daecd2
[babeltrace.git] / formats / ctf / events-private.h
1 #ifndef _CTF_EVENTS_PRIVATE_H
2 #define _CTF_EVENTS_PRIVATE_H
3
4 /*
5 * ctf/events-private.h
6 *
7 * Babeltrace Library
8 *
9 * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation
10 *
11 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
12 * Julien Desfossez <julien.desfossez@efficios.com>
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining a copy
15 * of this software and associated documentation files (the "Software"), to deal
16 * in the Software without restriction, including without limitation the rights
17 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
18 * copies of the Software, and to permit persons to whom the Software is
19 * furnished to do so, subject to the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
23 */
24
25 #include <babeltrace/ctf/events.h>
26 #include <babeltrace/ctf-ir/metadata.h>
27
28 static inline
29 uint64_t ctf_get_timestamp_raw(struct ctf_stream_definition *stream,
30 uint64_t timestamp)
31 {
32 uint64_t ts_nsec;
33
34 if (stream->current_clock->freq == 1000000000ULL) {
35 ts_nsec = timestamp;
36 } else {
37 ts_nsec = (uint64_t) ((double) timestamp * 1000000000.0
38 / (double) stream->current_clock->freq);
39 }
40 return ts_nsec;
41 }
42
43 static inline
44 uint64_t ctf_get_real_timestamp(struct ctf_stream_definition *stream,
45 uint64_t timestamp)
46 {
47 uint64_t ts_nsec;
48 struct ctf_trace *trace = stream->stream_class->trace;
49 struct trace_collection *tc = trace->collection;
50 uint64_t tc_offset = tc->single_clock_offset_avg;
51
52 ts_nsec = ctf_get_timestamp_raw(stream, timestamp);
53 ts_nsec += tc_offset; /* Add offset */
54 return ts_nsec;
55 }
56
57 #endif /* _CTF_EVENTS_PRIVATE_H */
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