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_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 */