1 #ifndef _BABELTRACE_TRACE_HANDLE_H
2 #define _BABELTRACE_TRACE_HANDLE_H
9 * Copyright 2012 EfficiOS Inc. and Linux Foundation
11 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
12 * Julien Desfossez <julien.desfossez@efficios.com>
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:
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
26 #include <babeltrace/clock-types.h>
33 * trace_handle : unique identifier of a trace
35 * The trace_handle allows the user to manipulate a trace file directly.
36 * It is a unique identifier representing a trace file.
38 struct bt_trace_handle
;
42 * bt_trace_handle_get_path : returns the path of a trace_handle or NULL
45 const char *bt_trace_handle_get_path(struct bt_context
*ctx
, int handle_id
);
48 * bt_trace_handle_get_timestamp_begin : returns the creation time (in
49 * nanoseconds or cycles depending on type) of the buffers of a trace
52 uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context
*ctx
,
53 int handle_id
, enum bt_clock_type type
);
56 * bt_trace_handle_get_timestamp_end : returns the destruction timestamp
57 * (in anoseconds or cycles depending on type) of the buffers of a trace
60 uint64_t bt_trace_handle_get_timestamp_end(struct bt_context
*ctx
,
61 int handle_id
, enum bt_clock_type type
);
64 * bt_ctf_event_get_handle_id : get the handle id associated with an event
68 int bt_ctf_event_get_handle_id(const struct bt_ctf_event
*event
);
74 #endif /* _BABELTRACE_TRACE_HANDLE_H */
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