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  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  25  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  26  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  27  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  28  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  29  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <babeltrace/ctf/events.h>
  34 #include <babeltrace/ctf-ir/metadata.h>
  35 #include <babeltrace/clock-internal.h>
  36
  37 static inline
  38 uint64_t ctf_get_real_timestamp(struct ctf_stream_definition *stream,
  39                         uint64_t timestamp)
  40 {
  41         uint64_t ts_nsec;
  42         struct ctf_trace *trace = stream->stream_class->trace;
  43         struct trace_collection *tc = trace->parent.collection;
  44         uint64_t tc_offset;
  45
  46         if (tc->clock_use_offset_avg)
  47                 tc_offset = tc->single_clock_offset_avg;
  48         else
  49                 tc_offset = clock_offset_ns(trace->parent.single_clock);
  50
  51         ts_nsec = clock_cycles_to_ns(stream->current_clock, timestamp);
  52         ts_nsec += tc_offset;   /* Add offset */
  53         return ts_nsec;
  54 }
  55
  56 #endif /* _CTF_EVENTS_PRIVATE_H */