Combine duplicated API/pretty-print timestamp code

[babeltrace.git] / formats / ctf / events-private.h

diff --git a/formats/ctf/events-private.h b/formats/ctf/events-private.h
new file mode 100644 (file)
index 0000000..bc1dfbd
--- /dev/null
+++ b/formats/ctf/events-private.h
@@ -0,0 +1,57 @@
+#ifndef _CTF_EVENTS_PRIVATE_H
+#define _CTF_EVENTS_PRIVATE_H
+
+/*
+ * ctf/events-private.h
+ *
+ * Babeltrace Library
+ *
+ * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *         Julien Desfossez <julien.desfossez@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+
+#include <babeltrace/ctf/events.h>
+#include <babeltrace/ctf-ir/metadata.h>
+
+static inline
+uint64_t ctf_get_timestamp_raw(struct ctf_stream *stream,
+                       uint64_t timestamp)
+{
+       uint64_t ts_nsec;
+
+       if (stream->current_clock->freq == 1000000000ULL) {
+               ts_nsec = timestamp;
+       } else {
+               ts_nsec = (uint64_t) ((double) timestamp * 1000000000.0
+                               / (double) stream->current_clock->freq);
+       }
+       return ts_nsec;
+}
+
+static inline
+uint64_t ctf_get_timestamp(struct ctf_stream *stream,
+                       uint64_t timestamp)
+{
+       uint64_t ts_nsec;
+       struct ctf_trace *trace = stream->stream_class->trace;
+       struct trace_collection *tc = trace->collection;
+       uint64_t tc_offset = tc->single_clock_offset_avg;
+
+       ts_nsec = ctf_get_timestamp_raw(stream, timestamp);
+       ts_nsec += tc_offset;   /* Add offset */
+       return ts_nsec;
+}
+
+#endif /* _CTF_EVENTS_PRIVATE_H */