6 * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 * Julien Desfossez <julien.desfossez@efficios.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #include <babeltrace/babeltrace.h>
31 #include <babeltrace/format.h>
32 #include <babeltrace/ctf/events.h>
33 #include <babeltrace/ctf-ir/metadata.h>
34 #include <babeltrace/prio_heap.h>
35 #include <babeltrace/iterator-internal.h>
36 #include <babeltrace/ctf/events-internal.h>
37 #include <babeltrace/ctf/metadata.h>
40 #include "events-private.h"
42 struct bt_ctf_iter
*bt_ctf_iter_create(struct bt_context
*ctx
,
43 const struct bt_iter_pos
*begin_pos
,
44 const struct bt_iter_pos
*end_pos
)
46 struct bt_ctf_iter
*iter
;
52 iter
= g_new0(struct bt_ctf_iter
, 1);
53 ret
= bt_iter_init(&iter
->parent
, ctx
, begin_pos
, end_pos
);
58 iter
->callbacks
= g_array_new(FALSE
, TRUE
,
59 sizeof(struct bt_stream_callbacks
));
60 iter
->recalculate_dep_graph
= 0;
61 iter
->main_callbacks
.callback
= NULL
;
62 iter
->dep_gc
= g_ptr_array_new();
66 void bt_ctf_iter_destroy(struct bt_ctf_iter
*iter
)
68 struct bt_stream_callbacks
*bt_stream_cb
;
69 struct bt_callback_chain
*bt_chain
;
74 /* free all events callbacks */
75 if (iter
->main_callbacks
.callback
)
76 g_array_free(iter
->main_callbacks
.callback
, TRUE
);
78 /* free per-event callbacks */
79 for (i
= 0; i
< iter
->callbacks
->len
; i
++) {
80 bt_stream_cb
= &g_array_index(iter
->callbacks
,
81 struct bt_stream_callbacks
, i
);
82 if (!bt_stream_cb
|| !bt_stream_cb
->per_id_callbacks
)
84 for (j
= 0; j
< bt_stream_cb
->per_id_callbacks
->len
; j
++) {
85 bt_chain
= &g_array_index(bt_stream_cb
->per_id_callbacks
,
86 struct bt_callback_chain
, j
);
87 if (bt_chain
->callback
) {
88 g_array_free(bt_chain
->callback
, TRUE
);
91 g_array_free(bt_stream_cb
->per_id_callbacks
, TRUE
);
93 g_array_free(iter
->callbacks
, TRUE
);
94 g_ptr_array_free(iter
->dep_gc
, TRUE
);
96 bt_iter_fini(&iter
->parent
);
100 struct bt_iter
*bt_ctf_get_iter(struct bt_ctf_iter
*iter
)
105 return &iter
->parent
;
108 struct bt_ctf_event
*bt_ctf_iter_read_event_flags(struct bt_ctf_iter
*iter
,
111 struct ctf_file_stream
*file_stream
;
112 struct bt_ctf_event
*ret
;
113 struct ctf_stream_definition
*stream
;
114 struct packet_index
*packet_index
;
117 * We do not want to fail for any other reason than end of
118 * trace, hence the assert.
122 ret
= &iter
->current_ctf_event
;
123 file_stream
= bt_heap_maximum(iter
->parent
.stream_heap
);
125 /* end of file for all streams */
128 stream
= &file_stream
->parent
;
129 ret
->parent
= g_ptr_array_index(stream
->events_by_id
,
134 if (!file_stream
->pos
.packet_cycles_index
)
137 packet_index
= &g_array_index(file_stream
->pos
.packet_cycles_index
,
138 struct packet_index
, file_stream
->pos
.cur_index
);
139 iter
->events_lost
= 0;
140 if (packet_index
&& packet_index
->events_discarded
>
141 file_stream
->pos
.last_events_discarded
) {
143 *flags
|= BT_ITER_FLAG_LOST_EVENTS
;
144 iter
->events_lost
+= packet_index
->events_discarded
-
145 file_stream
->pos
.last_events_discarded
;
146 file_stream
->pos
.last_events_discarded
=
147 packet_index
->events_discarded
;
150 if (ret
->parent
->stream
->stream_id
> iter
->callbacks
->len
)
153 process_callbacks(iter
, ret
->parent
->stream
);
161 struct bt_ctf_event
*bt_ctf_iter_read_event(struct bt_ctf_iter
*iter
)
163 return bt_ctf_iter_read_event_flags(iter
, NULL
);
166 uint64_t bt_ctf_get_lost_events_count(struct bt_ctf_iter
*iter
)
171 return iter
->events_lost
;
This page took 0.033376 seconds and 4 git commands to generate.