4 * Babeltrace CTF file system Reader Component
6 * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com>
7 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28 #define BT_COMP_LOG_SELF_COMP self_comp
29 #define BT_LOG_OUTPUT_LEVEL log_level
30 #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS"
31 #include "logging/comp-logging.h"
33 #include "common/common.h"
34 #include <babeltrace2/babeltrace.h>
35 #include "common/uuid.h"
37 #include "common/assert.h"
42 #include "data-stream-file.h"
44 #include "../common/metadata/decoder.h"
45 #include "../common/metadata/ctf-meta-configure-ir-trace.h"
46 #include "../common/msg-iter/msg-iter.h"
57 int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data
*msg_iter_data
)
59 struct ctf_fs_ds_file_info
*ds_file_info
;
62 BT_ASSERT(msg_iter_data
->ds_file_info_index
<
63 msg_iter_data
->ds_file_group
->ds_file_infos
->len
);
64 ds_file_info
= g_ptr_array_index(
65 msg_iter_data
->ds_file_group
->ds_file_infos
,
66 msg_iter_data
->ds_file_info_index
);
68 ctf_fs_ds_file_destroy(msg_iter_data
->ds_file
);
69 msg_iter_data
->ds_file
= ctf_fs_ds_file_create(
70 msg_iter_data
->ds_file_group
->ctf_fs_trace
,
71 msg_iter_data
->pc_msg_iter
,
72 msg_iter_data
->msg_iter
,
73 msg_iter_data
->ds_file_group
->stream
,
74 ds_file_info
->path
->str
,
75 msg_iter_data
->log_level
);
76 if (!msg_iter_data
->ds_file
) {
84 void ctf_fs_msg_iter_data_destroy(
85 struct ctf_fs_msg_iter_data
*msg_iter_data
)
91 ctf_fs_ds_file_destroy(msg_iter_data
->ds_file
);
93 if (msg_iter_data
->msg_iter
) {
94 bt_msg_iter_destroy(msg_iter_data
->msg_iter
);
97 g_free(msg_iter_data
);
101 void set_msg_iter_emits_stream_beginning_end_messages(
102 struct ctf_fs_msg_iter_data
*msg_iter_data
)
104 bt_msg_iter_set_emit_stream_beginning_message(
105 msg_iter_data
->ds_file
->msg_iter
,
106 msg_iter_data
->ds_file_info_index
== 0);
107 bt_msg_iter_set_emit_stream_end_message(
108 msg_iter_data
->ds_file
->msg_iter
,
109 msg_iter_data
->ds_file_info_index
==
110 msg_iter_data
->ds_file_group
->ds_file_infos
->len
- 1);
114 bt_component_class_message_iterator_next_method_status
ctf_fs_iterator_next_one(
115 struct ctf_fs_msg_iter_data
*msg_iter_data
,
116 const bt_message
**out_msg
)
118 bt_component_class_message_iterator_next_method_status status
;
120 BT_ASSERT(msg_iter_data
->ds_file
);
125 status
= ctf_fs_ds_file_next(msg_iter_data
->ds_file
, &msg
);
127 case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
:
131 case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END
:
135 if (msg_iter_data
->ds_file_info_index
==
136 msg_iter_data
->ds_file_group
->ds_file_infos
->len
- 1) {
137 /* End of all group's stream files */
141 msg_iter_data
->ds_file_info_index
++;
142 bt_msg_iter_reset_for_next_stream_file(
143 msg_iter_data
->msg_iter
);
144 set_msg_iter_emits_stream_beginning_end_messages(
148 * Open and start reading the next stream file
149 * within our stream file group.
151 ret
= msg_iter_data_set_current_ds_file(msg_iter_data
);
153 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
157 /* Continue the loop to get the next message */
170 bt_component_class_message_iterator_next_method_status
ctf_fs_iterator_next(
171 bt_self_message_iterator
*iterator
,
172 bt_message_array_const msgs
, uint64_t capacity
,
175 bt_component_class_message_iterator_next_method_status status
=
176 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
177 struct ctf_fs_msg_iter_data
*msg_iter_data
=
178 bt_self_message_iterator_get_data(iterator
);
181 while (i
< capacity
&&
182 status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
183 status
= ctf_fs_iterator_next_one(msg_iter_data
, &msgs
[i
]);
184 if (status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
191 * Even if ctf_fs_iterator_next_one() returned something
192 * else than BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we
193 * accumulated message objects in the output
194 * message array, so we need to return
195 * BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are
196 * transfered to downstream. This other status occurs
197 * again the next time muxer_msg_iter_do_next() is
198 * called, possibly without any accumulated
199 * message, in which case we'll return it.
202 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
209 int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data
*msg_iter_data
)
213 msg_iter_data
->ds_file_info_index
= 0;
214 ret
= msg_iter_data_set_current_ds_file(msg_iter_data
);
219 bt_msg_iter_reset(msg_iter_data
->msg_iter
);
220 set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data
);
227 bt_component_class_message_iterator_seek_beginning_method_status
228 ctf_fs_iterator_seek_beginning(bt_self_message_iterator
*it
)
230 struct ctf_fs_msg_iter_data
*msg_iter_data
=
231 bt_self_message_iterator_get_data(it
);
232 bt_component_class_message_iterator_seek_beginning_method_status status
=
233 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK
;
235 BT_ASSERT(msg_iter_data
);
236 if (ctf_fs_iterator_reset(msg_iter_data
)) {
237 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_ERROR
;
244 void ctf_fs_iterator_finalize(bt_self_message_iterator
*it
)
246 ctf_fs_msg_iter_data_destroy(
247 bt_self_message_iterator_get_data(it
));
251 bt_component_class_message_iterator_init_method_status
ctf_fs_iterator_init(
252 bt_self_message_iterator
*self_msg_iter
,
253 bt_self_component_source
*self_comp_src
,
254 bt_self_component_port_output
*self_port
)
256 struct ctf_fs_port_data
*port_data
;
257 struct ctf_fs_msg_iter_data
*msg_iter_data
= NULL
;
258 bt_component_class_message_iterator_init_method_status ret
=
259 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK
;
260 bt_logging_level log_level
;
261 bt_self_component
*self_comp
;
263 port_data
= bt_self_component_port_get_data(
264 bt_self_component_port_output_as_self_component_port(
266 BT_ASSERT(port_data
);
267 log_level
= port_data
->ctf_fs
->log_level
;
268 self_comp
= port_data
->ctf_fs
->self_comp
;
269 msg_iter_data
= g_new0(struct ctf_fs_msg_iter_data
, 1);
270 if (!msg_iter_data
) {
271 ret
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR
;
275 msg_iter_data
->log_level
= log_level
;
276 msg_iter_data
->self_comp
= self_comp
;
277 msg_iter_data
->pc_msg_iter
= self_msg_iter
;
278 msg_iter_data
->msg_iter
= bt_msg_iter_create(
279 port_data
->ds_file_group
->ctf_fs_trace
->metadata
->tc
,
280 bt_common_get_page_size(msg_iter_data
->log_level
) * 8,
281 ctf_fs_ds_file_medops
, NULL
, msg_iter_data
->log_level
,
283 if (!msg_iter_data
->msg_iter
) {
284 BT_COMP_LOGE_STR("Cannot create a CTF message iterator.");
285 ret
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR
;
289 msg_iter_data
->ds_file_group
= port_data
->ds_file_group
;
290 if (ctf_fs_iterator_reset(msg_iter_data
)) {
291 ret
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR
;
295 bt_self_message_iterator_set_data(self_msg_iter
,
297 if (ret
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK
) {
301 msg_iter_data
= NULL
;
305 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
308 ctf_fs_msg_iter_data_destroy(msg_iter_data
);
313 void ctf_fs_destroy(struct ctf_fs_component
*ctf_fs
)
319 if (ctf_fs
->traces
) {
320 g_ptr_array_free(ctf_fs
->traces
, TRUE
);
323 if (ctf_fs
->port_data
) {
324 g_ptr_array_free(ctf_fs
->port_data
, TRUE
);
331 void port_data_destroy(struct ctf_fs_port_data
*port_data
)
341 void port_data_destroy_notifier(void *data
) {
342 port_data_destroy(data
);
346 void ctf_fs_trace_destroy(struct ctf_fs_trace
*ctf_fs_trace
)
352 if (ctf_fs_trace
->ds_file_groups
) {
353 g_ptr_array_free(ctf_fs_trace
->ds_file_groups
, TRUE
);
356 BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace
->trace
);
358 if (ctf_fs_trace
->path
) {
359 g_string_free(ctf_fs_trace
->path
, TRUE
);
362 if (ctf_fs_trace
->name
) {
363 g_string_free(ctf_fs_trace
->name
, TRUE
);
366 if (ctf_fs_trace
->metadata
) {
367 ctf_fs_metadata_fini(ctf_fs_trace
->metadata
);
368 g_free(ctf_fs_trace
->metadata
);
371 g_free(ctf_fs_trace
);
375 void ctf_fs_trace_destroy_notifier(void *data
)
377 struct ctf_fs_trace
*trace
= data
;
378 ctf_fs_trace_destroy(trace
);
381 struct ctf_fs_component
*ctf_fs_component_create(bt_logging_level log_level
,
382 bt_self_component
*self_comp
)
384 struct ctf_fs_component
*ctf_fs
;
386 ctf_fs
= g_new0(struct ctf_fs_component
, 1);
391 ctf_fs
->log_level
= log_level
;
392 ctf_fs
->self_comp
= self_comp
;
394 g_ptr_array_new_with_free_func(port_data_destroy_notifier
);
395 if (!ctf_fs
->port_data
) {
400 g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier
);
401 if (!ctf_fs
->traces
) {
408 ctf_fs_destroy(ctf_fs
);
415 void ctf_fs_finalize(bt_self_component_source
*component
)
417 ctf_fs_destroy(bt_self_component_get_data(
418 bt_self_component_source_as_self_component(component
)));
421 gchar
*ctf_fs_make_port_name(struct ctf_fs_ds_file_group
*ds_file_group
)
423 GString
*name
= g_string_new(NULL
);
426 * The unique port name is generated by concatenating unique identifiers
434 /* For the trace, use the uuid if present, else the path. */
435 if (ds_file_group
->ctf_fs_trace
->metadata
->tc
->is_uuid_set
) {
436 char uuid_str
[BT_UUID_STR_LEN
+ 1];
438 bt_uuid_to_str(ds_file_group
->ctf_fs_trace
->metadata
->tc
->uuid
, uuid_str
);
439 g_string_assign(name
, uuid_str
);
441 g_string_assign(name
, ds_file_group
->ctf_fs_trace
->path
->str
);
445 * For the stream class, use the id if present. We can omit this field
446 * otherwise, as there will only be a single stream class.
448 if (ds_file_group
->sc
->id
!= UINT64_C(-1)) {
449 g_string_append_printf(name
, " | %" PRIu64
, ds_file_group
->sc
->id
);
452 /* For the stream, use the id if present, else, use the path. */
453 if (ds_file_group
->stream_id
!= UINT64_C(-1)) {
454 g_string_append_printf(name
, " | %" PRIu64
, ds_file_group
->stream_id
);
456 BT_ASSERT(ds_file_group
->ds_file_infos
->len
== 1);
457 struct ctf_fs_ds_file_info
*ds_file_info
=
458 g_ptr_array_index(ds_file_group
->ds_file_infos
, 0);
459 g_string_append_printf(name
, " | %s", ds_file_info
->path
->str
);
462 return g_string_free(name
, FALSE
);
466 int create_one_port_for_trace(struct ctf_fs_component
*ctf_fs
,
467 struct ctf_fs_trace
*ctf_fs_trace
,
468 struct ctf_fs_ds_file_group
*ds_file_group
)
471 struct ctf_fs_port_data
*port_data
= NULL
;
473 bt_logging_level log_level
= ctf_fs
->log_level
;
474 bt_self_component
*self_comp
= ctf_fs
->self_comp
;
476 port_name
= ctf_fs_make_port_name(ds_file_group
);
481 BT_COMP_LOGI("Creating one port named `%s`", port_name
);
483 /* Create output port for this file */
484 port_data
= g_new0(struct ctf_fs_port_data
, 1);
489 port_data
->ctf_fs
= ctf_fs
;
490 port_data
->ds_file_group
= ds_file_group
;
491 ret
= bt_self_component_source_add_output_port(
492 ctf_fs
->self_comp_src
, port_name
, port_data
, NULL
);
497 g_ptr_array_add(ctf_fs
->port_data
, port_data
);
507 port_data_destroy(port_data
);
512 int create_ports_for_trace(struct ctf_fs_component
*ctf_fs
,
513 struct ctf_fs_trace
*ctf_fs_trace
)
517 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
518 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
520 /* Create one output port for each stream file group */
521 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
522 struct ctf_fs_ds_file_group
*ds_file_group
=
523 g_ptr_array_index(ctf_fs_trace
->ds_file_groups
, i
);
525 ret
= create_one_port_for_trace(ctf_fs
, ctf_fs_trace
,
528 BT_COMP_LOGE("Cannot create output port.");
538 void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info
*ds_file_info
)
544 if (ds_file_info
->path
) {
545 g_string_free(ds_file_info
->path
, TRUE
);
548 g_free(ds_file_info
);
552 struct ctf_fs_ds_file_info
*ctf_fs_ds_file_info_create(const char *path
,
555 struct ctf_fs_ds_file_info
*ds_file_info
;
557 ds_file_info
= g_new0(struct ctf_fs_ds_file_info
, 1);
562 ds_file_info
->path
= g_string_new(path
);
563 if (!ds_file_info
->path
) {
564 ctf_fs_ds_file_info_destroy(ds_file_info
);
569 ds_file_info
->begin_ns
= begin_ns
;
576 void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group
*ds_file_group
)
578 if (!ds_file_group
) {
582 if (ds_file_group
->ds_file_infos
) {
583 g_ptr_array_free(ds_file_group
->ds_file_infos
, TRUE
);
586 if (ds_file_group
->index
) {
587 if (ds_file_group
->index
->entries
) {
588 g_ptr_array_free(ds_file_group
->index
->entries
, TRUE
);
590 g_free(ds_file_group
->index
);
593 bt_stream_put_ref(ds_file_group
->stream
);
594 g_free(ds_file_group
);
598 struct ctf_fs_ds_file_group
*ctf_fs_ds_file_group_create(
599 struct ctf_fs_trace
*ctf_fs_trace
,
600 struct ctf_stream_class
*sc
,
601 uint64_t stream_instance_id
,
602 struct ctf_fs_ds_index
*index
)
604 struct ctf_fs_ds_file_group
*ds_file_group
;
606 ds_file_group
= g_new0(struct ctf_fs_ds_file_group
, 1);
607 if (!ds_file_group
) {
611 ds_file_group
->ds_file_infos
= g_ptr_array_new_with_free_func(
612 (GDestroyNotify
) ctf_fs_ds_file_info_destroy
);
613 if (!ds_file_group
->ds_file_infos
) {
617 ds_file_group
->index
= index
;
619 ds_file_group
->stream_id
= stream_instance_id
;
621 ds_file_group
->sc
= sc
;
622 ds_file_group
->ctf_fs_trace
= ctf_fs_trace
;
626 ctf_fs_ds_file_group_destroy(ds_file_group
);
627 ctf_fs_ds_index_destroy(index
);
628 ds_file_group
= NULL
;
631 return ds_file_group
;
634 /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */
636 void array_insert(GPtrArray
*array
, gpointer element
, size_t pos
)
638 size_t original_array_len
= array
->len
;
640 /* Allocate an unused element at the end of the array. */
641 g_ptr_array_add(array
, NULL
);
643 /* If we are not inserting at the end, move the elements by one. */
644 if (pos
< original_array_len
) {
645 memmove(&(array
->pdata
[pos
+ 1]),
646 &(array
->pdata
[pos
]),
647 (original_array_len
- pos
) * sizeof(gpointer
));
650 /* Insert the value. */
651 array
->pdata
[pos
] = element
;
655 * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right
656 * place to keep it sorted.
660 void ds_file_group_insert_ds_file_info_sorted(
661 struct ctf_fs_ds_file_group
*ds_file_group
,
662 struct ctf_fs_ds_file_info
*ds_file_info
)
666 /* Find the spot where to insert this ds_file_info. */
667 for (i
= 0; i
< ds_file_group
->ds_file_infos
->len
; i
++) {
668 struct ctf_fs_ds_file_info
*other_ds_file_info
=
669 g_ptr_array_index(ds_file_group
->ds_file_infos
, i
);
671 if (ds_file_info
->begin_ns
< other_ds_file_info
->begin_ns
) {
676 array_insert(ds_file_group
->ds_file_infos
, ds_file_info
, i
);
680 void ds_file_group_insert_ds_index_entry_sorted(
681 struct ctf_fs_ds_file_group
*ds_file_group
,
682 struct ctf_fs_ds_index_entry
*entry
)
686 /* Find the spot where to insert this index entry. */
687 for (i
= 0; i
< ds_file_group
->index
->entries
->len
; i
++) {
688 struct ctf_fs_ds_index_entry
*other_entry
= g_ptr_array_index(
689 ds_file_group
->index
->entries
, i
);
691 if (entry
->timestamp_begin_ns
< other_entry
->timestamp_begin_ns
) {
696 array_insert(ds_file_group
->index
->entries
, entry
, i
);
700 int add_ds_file_to_ds_file_group(struct ctf_fs_trace
*ctf_fs_trace
,
703 int64_t stream_instance_id
= -1;
704 int64_t begin_ns
= -1;
705 struct ctf_fs_ds_file_group
*ds_file_group
= NULL
;
706 bool add_group
= false;
709 struct ctf_fs_ds_file
*ds_file
= NULL
;
710 struct ctf_fs_ds_file_info
*ds_file_info
= NULL
;
711 struct ctf_fs_ds_index
*index
= NULL
;
712 struct bt_msg_iter
*msg_iter
= NULL
;
713 struct ctf_stream_class
*sc
= NULL
;
714 struct bt_msg_iter_packet_properties props
;
715 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
716 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
718 msg_iter
= bt_msg_iter_create(ctf_fs_trace
->metadata
->tc
,
719 bt_common_get_page_size(log_level
) * 8,
720 ctf_fs_ds_file_medops
, NULL
, log_level
, self_comp
);
722 BT_COMP_LOGE_STR("Cannot create a CTF message iterator.");
726 ds_file
= ctf_fs_ds_file_create(ctf_fs_trace
, NULL
, msg_iter
,
727 NULL
, path
, log_level
);
732 ret
= bt_msg_iter_get_packet_properties(ds_file
->msg_iter
, &props
);
734 BT_COMP_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).",
739 sc
= ctf_trace_class_borrow_stream_class_by_id(ds_file
->metadata
->tc
,
740 props
.stream_class_id
);
742 stream_instance_id
= props
.data_stream_id
;
744 if (props
.snapshots
.beginning_clock
!= UINT64_C(-1)) {
745 BT_ASSERT(sc
->default_clock_class
);
746 ret
= bt_util_clock_cycles_to_ns_from_origin(
747 props
.snapshots
.beginning_clock
,
748 sc
->default_clock_class
->frequency
,
749 sc
->default_clock_class
->offset_seconds
,
750 sc
->default_clock_class
->offset_cycles
, &begin_ns
);
752 BT_COMP_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).",
758 ds_file_info
= ctf_fs_ds_file_info_create(path
, begin_ns
);
763 index
= ctf_fs_ds_file_build_index(ds_file
, ds_file_info
);
765 BT_COMP_LOGW("Failed to index CTF stream file \'%s\'",
766 ds_file
->file
->path
->str
);
769 if (begin_ns
== -1) {
771 * No beggining timestamp to sort the stream files
772 * within a stream file group, so consider that this
773 * file must be the only one within its group.
775 stream_instance_id
= -1;
778 if (stream_instance_id
== -1) {
780 * No stream instance ID or no beginning timestamp:
781 * create a unique stream file group for this stream
782 * file because, even if there's a stream instance ID,
783 * there's no timestamp to order the file within its
786 ds_file_group
= ctf_fs_ds_file_group_create(ctf_fs_trace
,
787 sc
, UINT64_C(-1), index
);
788 /* Ownership of index is transferred. */
791 if (!ds_file_group
) {
795 ds_file_group_insert_ds_file_info_sorted(ds_file_group
, ds_file_info
);
801 BT_ASSERT(stream_instance_id
!= -1);
802 BT_ASSERT(begin_ns
!= -1);
804 /* Find an existing stream file group with this ID */
805 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
806 ds_file_group
= g_ptr_array_index(
807 ctf_fs_trace
->ds_file_groups
, i
);
809 if (ds_file_group
->sc
== sc
&&
810 ds_file_group
->stream_id
==
811 stream_instance_id
) {
815 ds_file_group
= NULL
;
818 if (!ds_file_group
) {
819 ds_file_group
= ctf_fs_ds_file_group_create(ctf_fs_trace
,
820 sc
, stream_instance_id
, index
);
821 /* Ownership of index is transferred. */
823 if (!ds_file_group
) {
830 ds_file_group_insert_ds_file_info_sorted(ds_file_group
, ds_file_info
);
835 ctf_fs_ds_file_group_destroy(ds_file_group
);
836 ds_file_group
= NULL
;
840 if (add_group
&& ds_file_group
) {
841 g_ptr_array_add(ctf_fs_trace
->ds_file_groups
, ds_file_group
);
844 ctf_fs_ds_file_destroy(ds_file
);
847 bt_msg_iter_destroy(msg_iter
);
850 ctf_fs_ds_index_destroy(index
);
855 int create_ds_file_groups(struct ctf_fs_trace
*ctf_fs_trace
)
858 const char *basename
;
859 GError
*error
= NULL
;
861 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
862 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
864 /* Check each file in the path directory, except specific ones */
865 dir
= g_dir_open(ctf_fs_trace
->path
->str
, 0, &error
);
867 BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)",
868 ctf_fs_trace
->path
->str
, error
->message
,
873 while ((basename
= g_dir_read_name(dir
))) {
874 struct ctf_fs_file
*file
;
876 if (strcmp(basename
, CTF_FS_METADATA_FILENAME
) == 0) {
877 /* Ignore the metadata stream. */
878 BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S
"%s`",
879 ctf_fs_trace
->path
->str
, basename
);
883 if (basename
[0] == '.') {
884 BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S
"%s`",
885 ctf_fs_trace
->path
->str
, basename
);
889 /* Create the file. */
890 file
= ctf_fs_file_create(log_level
, self_comp
);
892 BT_COMP_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S
"%s`",
893 ctf_fs_trace
->path
->str
, basename
);
897 /* Create full path string. */
898 g_string_append_printf(file
->path
, "%s" G_DIR_SEPARATOR_S
"%s",
899 ctf_fs_trace
->path
->str
, basename
);
900 if (!g_file_test(file
->path
->str
, G_FILE_TEST_IS_REGULAR
)) {
901 BT_COMP_LOGI("Ignoring non-regular file `%s`",
903 ctf_fs_file_destroy(file
);
908 ret
= ctf_fs_file_open(file
, "rb");
910 BT_COMP_LOGE("Cannot open stream file `%s`", file
->path
->str
);
914 if (file
->size
== 0) {
915 /* Skip empty stream. */
916 BT_COMP_LOGI("Ignoring empty file `%s`", file
->path
->str
);
917 ctf_fs_file_destroy(file
);
921 ret
= add_ds_file_to_ds_file_group(ctf_fs_trace
,
924 BT_COMP_LOGE("Cannot add stream file `%s` to stream file group",
926 ctf_fs_file_destroy(file
);
930 ctf_fs_file_destroy(file
);
952 int set_trace_name(bt_trace
*trace
, const char *name_suffix
,
953 bt_logging_level log_level
, bt_self_component
*self_comp
)
959 name
= g_string_new(NULL
);
961 BT_COMP_LOGE_STR("Failed to allocate a GString.");
967 * Check if we have a trace environment string value named `hostname`.
968 * If so, use it as the trace name's prefix.
970 val
= bt_trace_borrow_environment_entry_value_by_name_const(
972 if (val
&& bt_value_is_string(val
)) {
973 g_string_append(name
, bt_value_string_get(val
));
976 g_string_append_c(name
, G_DIR_SEPARATOR
);
981 g_string_append(name
, name_suffix
);
984 ret
= bt_trace_set_name(trace
, name
->str
);
993 g_string_free(name
, TRUE
);
1000 struct ctf_fs_trace
*ctf_fs_trace_create(bt_self_component
*self_comp
,
1001 const char *path
, const char *name
,
1002 struct ctf_fs_metadata_config
*metadata_config
,
1003 bt_logging_level log_level
)
1005 struct ctf_fs_trace
*ctf_fs_trace
;
1008 ctf_fs_trace
= g_new0(struct ctf_fs_trace
, 1);
1009 if (!ctf_fs_trace
) {
1013 ctf_fs_trace
->log_level
= log_level
;
1014 ctf_fs_trace
->self_comp
= self_comp
;
1015 ctf_fs_trace
->path
= g_string_new(path
);
1016 if (!ctf_fs_trace
->path
) {
1020 ctf_fs_trace
->name
= g_string_new(name
);
1021 if (!ctf_fs_trace
->name
) {
1025 ctf_fs_trace
->metadata
= g_new0(struct ctf_fs_metadata
, 1);
1026 if (!ctf_fs_trace
->metadata
) {
1030 ctf_fs_metadata_init(ctf_fs_trace
->metadata
);
1031 ctf_fs_trace
->ds_file_groups
= g_ptr_array_new_with_free_func(
1032 (GDestroyNotify
) ctf_fs_ds_file_group_destroy
);
1033 if (!ctf_fs_trace
->ds_file_groups
) {
1037 ret
= ctf_fs_metadata_set_trace_class(self_comp
, ctf_fs_trace
,
1043 if (ctf_fs_trace
->metadata
->trace_class
) {
1044 ctf_fs_trace
->trace
=
1045 bt_trace_create(ctf_fs_trace
->metadata
->trace_class
);
1046 if (!ctf_fs_trace
->trace
) {
1051 if (ctf_fs_trace
->trace
) {
1052 ret
= ctf_trace_class_configure_ir_trace(
1053 ctf_fs_trace
->metadata
->tc
, ctf_fs_trace
->trace
);
1058 ret
= set_trace_name(ctf_fs_trace
->trace
, name
, log_level
,
1065 ret
= create_ds_file_groups(ctf_fs_trace
);
1073 ctf_fs_trace_destroy(ctf_fs_trace
);
1074 ctf_fs_trace
= NULL
;
1077 return ctf_fs_trace
;
1081 int path_is_ctf_trace(const char *path
)
1083 GString
*metadata_path
= g_string_new(NULL
);
1086 if (!metadata_path
) {
1091 g_string_printf(metadata_path
, "%s" G_DIR_SEPARATOR_S
"%s", path
, CTF_FS_METADATA_FILENAME
);
1093 if (g_file_test(metadata_path
->str
, G_FILE_TEST_IS_REGULAR
)) {
1099 g_string_free(metadata_path
, TRUE
);
1104 int add_trace_path(GList
**trace_paths
, const char *path
,
1105 bt_logging_level log_level
, bt_self_component
*self_comp
)
1107 GString
*norm_path
= NULL
;
1110 norm_path
= bt_common_normalize_path(path
, NULL
);
1112 BT_COMP_LOGE("Failed to normalize path `%s`.", path
);
1117 // FIXME: Remove or ifdef for __MINGW32__
1118 if (strcmp(norm_path
->str
, "/") == 0) {
1119 BT_COMP_LOGE("Opening a trace in `/` is not supported.");
1124 *trace_paths
= g_list_prepend(*trace_paths
, norm_path
);
1125 BT_ASSERT(*trace_paths
);
1130 g_string_free(norm_path
, TRUE
);
1137 int ctf_fs_find_traces(GList
**trace_paths
, const char *start_path
,
1138 bt_logging_level log_level
, bt_self_component
*self_comp
)
1141 GError
*error
= NULL
;
1143 const char *basename
= NULL
;
1145 /* Check if the starting path is a CTF trace itself */
1146 ret
= path_is_ctf_trace(start_path
);
1153 * Stop recursion: a CTF trace cannot contain another
1156 ret
= add_trace_path(trace_paths
, start_path
, log_level
,
1161 /* Look for subdirectories */
1162 if (!g_file_test(start_path
, G_FILE_TEST_IS_DIR
)) {
1163 /* Starting path is not a directory: end of recursion */
1167 dir
= g_dir_open(start_path
, 0, &error
);
1169 if (error
->code
== G_FILE_ERROR_ACCES
) {
1170 BT_COMP_LOGI("Cannot open directory `%s`: %s (code %d): continuing",
1171 start_path
, error
->message
, error
->code
);
1175 BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)",
1176 start_path
, error
->message
, error
->code
);
1181 while ((basename
= g_dir_read_name(dir
))) {
1182 GString
*sub_path
= g_string_new(NULL
);
1189 g_string_printf(sub_path
, "%s" G_DIR_SEPARATOR_S
"%s", start_path
, basename
);
1190 ret
= ctf_fs_find_traces(trace_paths
, sub_path
->str
,
1191 log_level
, self_comp
);
1192 g_string_free(sub_path
, TRUE
);
1204 g_error_free(error
);
1211 GList
*ctf_fs_create_trace_names(GList
*trace_paths
, const char *base_path
) {
1212 GList
*trace_names
= NULL
;
1214 const char *last_sep
;
1218 * At this point we know that all the trace paths are
1219 * normalized, and so is the base path. This means that
1220 * they are absolute and they don't end with a separator.
1221 * We can simply find the location of the last separator
1222 * in the base path, which gives us the name of the actual
1223 * directory to look into, and use this location as the
1224 * start of each trace name within each trace path.
1228 * Base path: /home/user/my-traces/some-trace
1230 * - /home/user/my-traces/some-trace/host1/trace1
1231 * - /home/user/my-traces/some-trace/host1/trace2
1232 * - /home/user/my-traces/some-trace/host2/trace
1233 * - /home/user/my-traces/some-trace/other-trace
1235 * In this case the trace names are:
1237 * - some-trace/host1/trace1
1238 * - some-trace/host1/trace2
1239 * - some-trace/host2/trace
1240 * - some-trace/other-trace
1242 last_sep
= strrchr(base_path
, G_DIR_SEPARATOR
);
1244 /* We know there's at least one separator */
1245 BT_ASSERT(last_sep
);
1247 /* Distance to base */
1248 base_dist
= last_sep
- base_path
+ 1;
1250 /* Create the trace names */
1251 for (node
= trace_paths
; node
; node
= g_list_next(node
)) {
1252 GString
*trace_name
= g_string_new(NULL
);
1253 GString
*trace_path
= node
->data
;
1255 BT_ASSERT(trace_name
);
1256 g_string_assign(trace_name
, &trace_path
->str
[base_dist
]);
1257 trace_names
= g_list_append(trace_names
, trace_name
);
1263 /* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path/root. */
1266 int ctf_fs_component_create_ctf_fs_traces_one_root(
1267 struct ctf_fs_component
*ctf_fs
,
1268 const char *path_param
)
1270 struct ctf_fs_trace
*ctf_fs_trace
= NULL
;
1272 GString
*norm_path
= NULL
;
1273 GList
*trace_paths
= NULL
;
1274 GList
*trace_names
= NULL
;
1277 bt_logging_level log_level
= ctf_fs
->log_level
;
1278 bt_self_component
*self_comp
= ctf_fs
->self_comp
;
1280 norm_path
= bt_common_normalize_path(path_param
, NULL
);
1282 BT_COMP_LOGE("Failed to normalize path: `%s`.",
1287 ret
= ctf_fs_find_traces(&trace_paths
, norm_path
->str
, log_level
,
1294 BT_COMP_LOGE("No CTF traces recursively found in `%s`.",
1296 (void) BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_COMPONENT(
1298 "No CTF traces recursively found in `%s`.", path_param
);
1302 trace_names
= ctf_fs_create_trace_names(trace_paths
, norm_path
->str
);
1304 BT_COMP_LOGE("Cannot create trace names from trace paths.");
1308 for (tp_node
= trace_paths
, tn_node
= trace_names
; tp_node
;
1309 tp_node
= g_list_next(tp_node
),
1310 tn_node
= g_list_next(tn_node
)) {
1311 GString
*trace_path
= tp_node
->data
;
1312 GString
*trace_name
= tn_node
->data
;
1314 ctf_fs_trace
= ctf_fs_trace_create(self_comp
,
1315 trace_path
->str
, trace_name
->str
,
1316 &ctf_fs
->metadata_config
,
1318 if (!ctf_fs_trace
) {
1319 BT_COMP_LOGE("Cannot create trace for `%s`.",
1324 g_ptr_array_add(ctf_fs
->traces
, ctf_fs_trace
);
1325 ctf_fs_trace
= NULL
;
1332 ctf_fs_trace_destroy(ctf_fs_trace
);
1335 for (tp_node
= trace_paths
; tp_node
; tp_node
= g_list_next(tp_node
)) {
1336 if (tp_node
->data
) {
1337 g_string_free(tp_node
->data
, TRUE
);
1341 for (tn_node
= trace_names
; tn_node
; tn_node
= g_list_next(tn_node
)) {
1342 if (tn_node
->data
) {
1343 g_string_free(tn_node
->data
, TRUE
);
1348 g_list_free(trace_paths
);
1352 g_list_free(trace_names
);
1356 g_string_free(norm_path
, TRUE
);
1362 /* GCompareFunc to sort traces by UUID. */
1365 gint
sort_traces_by_uuid(gconstpointer a
, gconstpointer b
)
1367 const struct ctf_fs_trace
*trace_a
= *((const struct ctf_fs_trace
**) a
);
1368 const struct ctf_fs_trace
*trace_b
= *((const struct ctf_fs_trace
**) b
);
1370 bool trace_a_has_uuid
= trace_a
->metadata
->tc
->is_uuid_set
;
1371 bool trace_b_has_uuid
= trace_b
->metadata
->tc
->is_uuid_set
;
1374 /* Order traces without uuid first. */
1375 if (!trace_a_has_uuid
&& trace_b_has_uuid
) {
1377 } else if (trace_a_has_uuid
&& !trace_b_has_uuid
) {
1379 } else if (!trace_a_has_uuid
&& !trace_b_has_uuid
) {
1382 ret
= bt_uuid_compare(trace_a
->metadata
->tc
->uuid
, trace_b
->metadata
->tc
->uuid
);
1389 * Count the number of stream and event classes defined by this trace's metadata.
1391 * This is used to determine which metadata is the "latest", out of multiple
1392 * traces sharing the same UUID. It is assumed that amongst all these metadatas,
1393 * a bigger metadata is a superset of a smaller metadata. Therefore, it is
1394 * enough to just count the classes.
1398 unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace
*trace
)
1400 unsigned int num
= trace
->metadata
->tc
->stream_classes
->len
;
1403 for (i
= 0; i
< trace
->metadata
->tc
->stream_classes
->len
; i
++) {
1404 struct ctf_stream_class
*sc
= trace
->metadata
->tc
->stream_classes
->pdata
[i
];
1405 num
+= sc
->event_classes
->len
;
1412 * Merge the src ds_file_group into dest. This consists of merging their
1413 * ds_file_infos, making sure to keep the result sorted.
1417 void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group
*dest
, struct ctf_fs_ds_file_group
*src
)
1421 for (i
= 0; i
< src
->ds_file_infos
->len
; i
++) {
1422 struct ctf_fs_ds_file_info
*ds_file_info
=
1423 g_ptr_array_index(src
->ds_file_infos
, i
);
1425 /* Ownership of the ds_file_info is transferred to dest. */
1426 g_ptr_array_index(src
->ds_file_infos
, i
) = NULL
;
1428 ds_file_group_insert_ds_file_info_sorted(dest
, ds_file_info
);
1431 /* Merge both indexes. */
1432 for (i
= 0; i
< src
->index
->entries
->len
; i
++) {
1433 struct ctf_fs_ds_index_entry
*entry
= g_ptr_array_index(
1434 src
->index
->entries
, i
);
1437 * Ownership of the ctf_fs_ds_index_entry is transferred to
1440 g_ptr_array_index(src
->index
->entries
, i
) = NULL
;
1442 ds_file_group_insert_ds_index_entry_sorted(dest
, entry
);
1445 /* Merge src_trace's data stream file groups into dest_trace's. */
1448 int merge_matching_ctf_fs_ds_file_groups(
1449 struct ctf_fs_trace
*dest_trace
,
1450 struct ctf_fs_trace
*src_trace
)
1453 GPtrArray
*dest
= dest_trace
->ds_file_groups
;
1454 GPtrArray
*src
= src_trace
->ds_file_groups
;
1459 * Save the initial length of dest: we only want to check against the
1460 * original elements in the inner loop.
1462 const guint dest_len
= dest
->len
;
1464 for (s_i
= 0; s_i
< src
->len
; s_i
++) {
1465 struct ctf_fs_ds_file_group
*src_group
= g_ptr_array_index(src
, s_i
);
1466 struct ctf_fs_ds_file_group
*dest_group
= NULL
;
1468 /* A stream instance without ID can't match a stream in the other trace. */
1469 if (src_group
->stream_id
!= -1) {
1472 /* Let's search for a matching ds_file_group in the destination. */
1473 for (d_i
= 0; d_i
< dest_len
; d_i
++) {
1474 struct ctf_fs_ds_file_group
*candidate_dest
= g_ptr_array_index(dest
, d_i
);
1476 /* Can't match a stream instance without ID. */
1477 if (candidate_dest
->stream_id
== -1) {
1482 * If the two groups have the same stream instance id
1483 * and belong to the same stream class (stream instance
1484 * ids are per-stream class), they represent the same
1487 if (candidate_dest
->stream_id
!= src_group
->stream_id
||
1488 candidate_dest
->sc
->id
!= src_group
->sc
->id
) {
1492 dest_group
= candidate_dest
;
1498 * Didn't find a friend in dest to merge our src_group into?
1499 * Create a new empty one. This can happen if a stream was
1500 * active in the source trace chunk but not in the destination
1504 struct ctf_stream_class
*sc
;
1505 struct ctf_fs_ds_index
*index
;
1507 sc
= ctf_trace_class_borrow_stream_class_by_id(
1508 dest_trace
->metadata
->tc
, src_group
->sc
->id
);
1511 index
= ctf_fs_ds_index_create(dest_trace
->log_level
,
1512 dest_trace
->self_comp
);
1518 dest_group
= ctf_fs_ds_file_group_create(dest_trace
, sc
,
1519 src_group
->stream_id
, index
);
1520 /* Ownership of index is transferred. */
1527 g_ptr_array_add(dest_trace
->ds_file_groups
, dest_group
);
1530 BT_ASSERT(dest_group
);
1531 merge_ctf_fs_ds_file_groups(dest_group
, src_group
);
1539 * Collapse the given traces, which must all share the same UUID, in a single
1542 * The trace with the most expansive metadata is chosen and all other traces
1543 * are merged into that one. The array slots of all the traces that get merged
1544 * in the chosen one are set to NULL, so only the slot of the chosen trace
1549 int merge_ctf_fs_traces(struct ctf_fs_trace
**traces
, unsigned int num_traces
)
1551 unsigned int winner_count
;
1552 struct ctf_fs_trace
*winner
;
1555 char uuid_str
[BT_UUID_STR_LEN
+ 1];
1557 BT_ASSERT(num_traces
>= 2);
1559 winner_count
= metadata_count_stream_and_event_classes(traces
[0]);
1562 /* Find the trace with the largest metadata. */
1563 for (i
= 1; i
< num_traces
; i
++) {
1564 struct ctf_fs_trace
*candidate
;
1565 unsigned int candidate_count
;
1567 candidate
= traces
[i
];
1569 /* A bit of sanity check. */
1570 BT_ASSERT(bt_uuid_compare(winner
->metadata
->tc
->uuid
, candidate
->metadata
->tc
->uuid
) == 0);
1572 candidate_count
= metadata_count_stream_and_event_classes(candidate
);
1574 if (candidate_count
> winner_count
) {
1575 winner_count
= candidate_count
;
1580 /* Merge all the other traces in the winning trace. */
1581 for (i
= 0; i
< num_traces
; i
++) {
1582 struct ctf_fs_trace
*trace
= traces
[i
];
1584 /* Don't merge the winner into itself. */
1585 if (trace
== winner
) {
1589 /* Merge trace's data stream file groups into winner's. */
1590 ret
= merge_matching_ctf_fs_ds_file_groups(winner
, trace
);
1595 /* Free the trace that got merged into winner, clear the slot in the array. */
1596 ctf_fs_trace_destroy(trace
);
1600 /* Use the string representation of the UUID as the trace name. */
1601 bt_uuid_to_str(winner
->metadata
->tc
->uuid
, uuid_str
);
1602 g_string_printf(winner
->name
, "%s", uuid_str
);
1609 * Merge all traces of `ctf_fs` that share the same UUID in a single trace.
1610 * Traces with no UUID are not merged.
1614 int merge_traces_with_same_uuid(struct ctf_fs_component
*ctf_fs
)
1616 GPtrArray
*traces
= ctf_fs
->traces
;
1617 guint range_start_idx
= 0;
1618 unsigned int num_traces
= 0;
1622 /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */
1623 g_ptr_array_sort(traces
, sort_traces_by_uuid
);
1625 /* Find ranges of consecutive traces that share the same UUID. */
1626 while (range_start_idx
< traces
->len
) {
1628 struct ctf_fs_trace
*range_start_trace
= g_ptr_array_index(traces
, range_start_idx
);
1630 /* Exclusive end of range. */
1631 guint range_end_exc_idx
= range_start_idx
+ 1;
1633 while (range_end_exc_idx
< traces
->len
) {
1634 struct ctf_fs_trace
*this_trace
= g_ptr_array_index(traces
, range_end_exc_idx
);
1636 if (!range_start_trace
->metadata
->tc
->is_uuid_set
||
1637 (bt_uuid_compare(range_start_trace
->metadata
->tc
->uuid
, this_trace
->metadata
->tc
->uuid
) != 0)) {
1641 range_end_exc_idx
++;
1644 /* If we have two or more traces with matching UUIDs, merge them. */
1645 range_len
= range_end_exc_idx
- range_start_idx
;
1646 if (range_len
> 1) {
1647 struct ctf_fs_trace
**range_start
= (struct ctf_fs_trace
**) &traces
->pdata
[range_start_idx
];
1648 ret
= merge_ctf_fs_traces(range_start
, range_len
);
1655 range_start_idx
= range_end_exc_idx
;
1658 /* Clear any NULL slot (traces that got merged in another one) in the array. */
1659 for (i
= 0; i
< traces
->len
;) {
1660 if (!g_ptr_array_index(traces
, i
)) {
1661 g_ptr_array_remove_index_fast(traces
, i
);
1667 BT_ASSERT(num_traces
== traces
->len
);
1679 int decode_clock_snapshot_after_event(struct ctf_fs_trace
*ctf_fs_trace
,
1680 struct ctf_clock_class
*default_cc
,
1681 struct ctf_fs_ds_index_entry
*index_entry
,
1682 enum target_event target_event
, uint64_t *cs
, int64_t *ts_ns
)
1684 enum bt_msg_iter_status iter_status
= BT_MSG_ITER_STATUS_OK
;
1685 struct ctf_fs_ds_file
*ds_file
= NULL
;
1686 struct bt_msg_iter
*msg_iter
= NULL
;
1687 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
1688 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
1691 BT_ASSERT(ctf_fs_trace
);
1692 BT_ASSERT(ctf_fs_trace
->metadata
);
1693 BT_ASSERT(ctf_fs_trace
->metadata
->tc
);
1695 msg_iter
= bt_msg_iter_create(ctf_fs_trace
->metadata
->tc
,
1696 bt_common_get_page_size(log_level
) * 8, ctf_fs_ds_file_medops
,
1697 NULL
, log_level
, self_comp
);
1699 /* bt_msg_iter_create() logs errors. */
1704 BT_ASSERT(index_entry
);
1705 BT_ASSERT(index_entry
->path
);
1707 ds_file
= ctf_fs_ds_file_create(ctf_fs_trace
, NULL
, msg_iter
,
1708 NULL
, index_entry
->path
, log_level
);
1710 BT_LOGE_STR("Failed to create a ctf_fs_ds_file");
1716 * Turn on dry run mode to prevent the creation and usage of Babeltrace
1717 * library objects (bt_field, bt_message_*, etc.).
1719 bt_msg_iter_set_dry_run(msg_iter
, true);
1721 /* Seek to the beginning of the target packet. */
1722 iter_status
= bt_msg_iter_seek(ds_file
->msg_iter
, index_entry
->offset
);
1724 /* bt_msg_iter_seek() logs errors. */
1729 switch (target_event
) {
1732 * Start to decode the packet until we reach the end of
1733 * the first event. To extract the first event's clock
1736 iter_status
= bt_msg_iter_curr_packet_first_event_clock_snapshot(
1737 ds_file
->msg_iter
, cs
);
1740 /* Decode the packet to extract the last event's clock snapshot. */
1741 iter_status
= bt_msg_iter_curr_packet_last_event_clock_snapshot(
1742 ds_file
->msg_iter
, cs
);
1752 /* Convert clock snapshot to timestamp. */
1753 ret
= bt_util_clock_cycles_to_ns_from_origin(*cs
,
1754 default_cc
->frequency
, default_cc
->offset_seconds
,
1755 default_cc
->offset_cycles
, ts_ns
);
1757 BT_LOGE_STR("Failed to convert clock snapshot to timestamp");
1763 ctf_fs_ds_file_destroy(ds_file
);
1766 bt_msg_iter_destroy(msg_iter
);
1773 int decode_packet_first_event_timestamp(struct ctf_fs_trace
*ctf_fs_trace
,
1774 struct ctf_clock_class
*default_cc
,
1775 struct ctf_fs_ds_index_entry
*index_entry
, uint64_t *cs
, int64_t *ts_ns
)
1777 return decode_clock_snapshot_after_event(ctf_fs_trace
, default_cc
,
1778 index_entry
, FIRST_EVENT
, cs
, ts_ns
);
1782 int decode_packet_last_event_timestamp(struct ctf_fs_trace
*ctf_fs_trace
,
1783 struct ctf_clock_class
*default_cc
,
1784 struct ctf_fs_ds_index_entry
*index_entry
, uint64_t *cs
, int64_t *ts_ns
)
1786 return decode_clock_snapshot_after_event(ctf_fs_trace
, default_cc
,
1787 index_entry
, LAST_EVENT
, cs
, ts_ns
);
1791 * Fix up packet index entries for lttng's "event-after-packet" bug.
1792 * Some buggy lttng tracer versions may emit events with a timestamp that is
1793 * larger (after) than the timestamp_end of the their packets.
1795 * To fix up this erroneous data we do the following:
1796 * 1. If it's not the stream file's last packet: set the packet index entry's
1797 * end time to the next packet's beginning time.
1798 * 2. If it's the stream file's last packet, set the packet index entry's end
1799 * time to the packet's last event's time, if any, or to the packet's
1800 * beginning time otherwise.
1802 * Known buggy tracer versions:
1803 * - before lttng-ust 2.11.0
1804 * - before lttng-module 2.11.0
1805 * - before lttng-module 2.10.10
1806 * - before lttng-module 2.9.13
1809 int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace
*trace
)
1812 guint ds_file_group_i
;
1813 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1814 bt_logging_level log_level
= trace
->log_level
;
1816 for (ds_file_group_i
= 0; ds_file_group_i
< ds_file_groups
->len
;
1817 ds_file_group_i
++) {
1819 struct ctf_clock_class
*default_cc
;
1820 struct ctf_fs_ds_index_entry
*last_entry
;
1821 struct ctf_fs_ds_index
*index
;
1823 struct ctf_fs_ds_file_group
*ds_file_group
=
1824 g_ptr_array_index(ds_file_groups
, ds_file_group_i
);
1826 BT_ASSERT(ds_file_group
);
1827 index
= ds_file_group
->index
;
1830 BT_ASSERT(index
->entries
);
1831 BT_ASSERT(index
->entries
->len
> 0);
1834 * Iterate over all entries but the last one. The last one is
1835 * fixed differently after.
1837 for (entry_i
= 0; entry_i
< index
->entries
->len
- 1;
1839 struct ctf_fs_ds_index_entry
*curr_entry
, *next_entry
;
1841 curr_entry
= g_ptr_array_index(index
->entries
, entry_i
);
1842 next_entry
= g_ptr_array_index(index
->entries
, entry_i
+ 1);
1845 * 1. Set the current index entry `end` timestamp to
1846 * the next index entry `begin` timestamp.
1848 curr_entry
->timestamp_end
= next_entry
->timestamp_begin
;
1849 curr_entry
->timestamp_end_ns
= next_entry
->timestamp_begin_ns
;
1853 * 2. Fix the last entry by decoding the last event of the last
1856 last_entry
= g_ptr_array_index(index
->entries
,
1857 index
->entries
->len
- 1);
1858 BT_ASSERT(last_entry
);
1860 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1861 default_cc
= ds_file_group
->sc
->default_clock_class
;
1864 * Decode packet to read the timestamp of the last event of the
1867 ret
= decode_packet_last_event_timestamp(trace
, default_cc
,
1868 last_entry
, &last_entry
->timestamp_end
,
1869 &last_entry
->timestamp_end_ns
);
1871 BT_LOGE_STR("Failed to decode stream's last packet to get its last event's clock snapshot.");
1881 * Fix up packet index entries for barectf's "event-before-packet" bug.
1882 * Some buggy barectf tracer versions may emit events with a timestamp that is
1883 * less than the timestamp_begin of the their packets.
1885 * To fix up this erroneous data we do the following:
1886 * 1. Starting at the second index entry, set the timestamp_begin of the
1887 * current entry to the timestamp of the first event of the packet.
1888 * 2. Set the previous entry's timestamp_end to the timestamp_begin of the
1891 * Known buggy tracer versions:
1892 * - before barectf 2.3.1
1895 int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace
*trace
)
1898 guint ds_file_group_i
;
1899 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1900 bt_logging_level log_level
= trace
->log_level
;
1902 for (ds_file_group_i
= 0; ds_file_group_i
< ds_file_groups
->len
;
1903 ds_file_group_i
++) {
1905 struct ctf_clock_class
*default_cc
;
1906 struct ctf_fs_ds_file_group
*ds_file_group
=
1907 g_ptr_array_index(ds_file_groups
, ds_file_group_i
);
1909 struct ctf_fs_ds_index
*index
= ds_file_group
->index
;
1912 BT_ASSERT(index
->entries
);
1913 BT_ASSERT(index
->entries
->len
> 0);
1915 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1916 default_cc
= ds_file_group
->sc
->default_clock_class
;
1919 * 1. Iterate over the index, starting from the second entry
1922 for (entry_i
= 1; entry_i
< index
->entries
->len
;
1924 struct ctf_fs_ds_index_entry
*curr_entry
, *prev_entry
;
1925 prev_entry
= g_ptr_array_index(index
->entries
, entry_i
- 1);
1926 curr_entry
= g_ptr_array_index(index
->entries
, entry_i
);
1928 * 2. Set the current entry `begin` timestamp to the
1929 * timestamp of the first event of the current packet.
1931 ret
= decode_packet_first_event_timestamp(trace
, default_cc
,
1932 curr_entry
, &curr_entry
->timestamp_begin
,
1933 &curr_entry
->timestamp_begin_ns
);
1935 BT_LOGE_STR("Failed to decode first event's clock snapshot");
1940 * 3. Set the previous entry `end` timestamp to the
1941 * timestamp of the first event of the current packet.
1943 prev_entry
->timestamp_end
= curr_entry
->timestamp_begin
;
1944 prev_entry
->timestamp_end_ns
= curr_entry
->timestamp_begin_ns
;
1952 * When using the lttng-crash feature it's likely that the last packets of each
1953 * stream have their timestamp_end set to zero. This is caused by the fact that
1954 * the tracer crashed and was not able to properly close the packets.
1956 * To fix up this erroneous data we do the following:
1957 * For each index entry, if the entry's timestamp_end is 0 and the
1958 * timestamp_begin is not 0:
1959 * - If it's the stream file's last packet: set the packet index entry's end
1960 * time to the packet's last event's time, if any, or to the packet's
1961 * beginning time otherwise.
1962 * - If it's not the stream file's last packet: set the packet index
1963 * entry's end time to the next packet's beginning time.
1965 * Affected versions:
1966 * - All current and future lttng-ust and lttng-modules versions.
1969 int fix_index_lttng_crash_quirk(struct ctf_fs_trace
*trace
)
1972 guint ds_file_group_idx
;
1973 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1974 bt_logging_level log_level
= trace
->log_level
;
1976 for (ds_file_group_idx
= 0; ds_file_group_idx
< ds_file_groups
->len
;
1977 ds_file_group_idx
++) {
1979 struct ctf_clock_class
*default_cc
;
1980 struct ctf_fs_ds_index_entry
*last_entry
;
1981 struct ctf_fs_ds_index
*index
;
1983 struct ctf_fs_ds_file_group
*ds_file_group
=
1984 g_ptr_array_index(ds_file_groups
, ds_file_group_idx
);
1986 BT_ASSERT(ds_file_group
);
1987 index
= ds_file_group
->index
;
1989 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1990 default_cc
= ds_file_group
->sc
->default_clock_class
;
1993 BT_ASSERT(index
->entries
);
1994 BT_ASSERT(index
->entries
->len
> 0);
1996 last_entry
= g_ptr_array_index(index
->entries
,
1997 index
->entries
->len
- 1);
1998 BT_ASSERT(last_entry
);
2001 /* 1. Fix the last entry first. */
2002 if (last_entry
->timestamp_end
== 0 &&
2003 last_entry
->timestamp_begin
!= 0) {
2005 * Decode packet to read the timestamp of the
2006 * last event of the stream file.
2008 ret
= decode_packet_last_event_timestamp(trace
,
2009 default_cc
, last_entry
,
2010 &last_entry
->timestamp_end
,
2011 &last_entry
->timestamp_end_ns
);
2013 BT_LOGE_STR("Failed to decode last event's clock snapshot");
2018 /* Iterate over all entries but the last one. */
2019 for (entry_idx
= 0; entry_idx
< index
->entries
->len
- 1;
2021 struct ctf_fs_ds_index_entry
*curr_entry
, *next_entry
;
2022 curr_entry
= g_ptr_array_index(index
->entries
, entry_idx
);
2023 next_entry
= g_ptr_array_index(index
->entries
, entry_idx
+ 1);
2025 if (curr_entry
->timestamp_end
== 0 &&
2026 curr_entry
->timestamp_begin
!= 0) {
2028 * 2. Set the current index entry `end` timestamp to
2029 * the next index entry `begin` timestamp.
2031 curr_entry
->timestamp_end
= next_entry
->timestamp_begin
;
2032 curr_entry
->timestamp_end_ns
= next_entry
->timestamp_begin_ns
;
2042 * Extract the tracer information necessary to compare versions.
2043 * Returns 0 on success, and -1 if the extraction is not successful because the
2044 * necessary fields are absents in the trace metadata.
2047 int extract_tracer_info(struct ctf_fs_trace
*trace
,
2048 struct tracer_info
*current_tracer_info
)
2051 struct ctf_trace_class_env_entry
*entry
;
2053 /* Clear the current_tracer_info struct */
2054 memset(current_tracer_info
, 0, sizeof(*current_tracer_info
));
2057 * To compare 2 tracer versions, at least the tracer name and it's
2058 * major version are needed. If one of these is missing, consider it an
2059 * extraction failure.
2061 entry
= ctf_trace_class_borrow_env_entry_by_name(
2062 trace
->metadata
->tc
, "tracer_name");
2063 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR
) {
2064 goto missing_bare_minimum
;
2067 /* Set tracer name. */
2068 current_tracer_info
->name
= entry
->value
.str
->str
;
2070 entry
= ctf_trace_class_borrow_env_entry_by_name(
2071 trace
->metadata
->tc
, "tracer_major");
2072 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
2073 goto missing_bare_minimum
;
2076 /* Set major version number. */
2077 current_tracer_info
->major
= entry
->value
.i
;
2079 entry
= ctf_trace_class_borrow_env_entry_by_name(
2080 trace
->metadata
->tc
, "tracer_minor");
2081 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
2085 /* Set minor version number. */
2086 current_tracer_info
->minor
= entry
->value
.i
;
2088 entry
= ctf_trace_class_borrow_env_entry_by_name(
2089 trace
->metadata
->tc
, "tracer_patch");
2092 * If `tracer_patch` doesn't exist `tracer_patchlevel` might.
2093 * For example, `lttng-modules` uses entry name
2094 * `tracer_patchlevel`.
2096 entry
= ctf_trace_class_borrow_env_entry_by_name(
2097 trace
->metadata
->tc
, "tracer_patchlevel");
2100 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
2104 /* Set patch version number. */
2105 current_tracer_info
->patch
= entry
->value
.i
;
2109 missing_bare_minimum
:
2116 bool is_tracer_affected_by_lttng_event_after_packet_bug(
2117 struct tracer_info
*curr_tracer_info
)
2119 bool is_affected
= false;
2121 if (strcmp(curr_tracer_info
->name
, "lttng-ust") == 0) {
2122 if (curr_tracer_info
->major
< 2) {
2124 } else if (curr_tracer_info
->major
== 2) {
2125 /* fixed in lttng-ust 2.11.0 */
2126 if (curr_tracer_info
->minor
< 11) {
2130 } else if (strcmp(curr_tracer_info
->name
, "lttng-modules") == 0) {
2131 if (curr_tracer_info
->major
< 2) {
2133 } else if (curr_tracer_info
->major
== 2) {
2134 /* fixed in lttng-modules 2.11.0 */
2135 if (curr_tracer_info
->minor
== 10) {
2136 /* fixed in lttng-modules 2.10.10 */
2137 if (curr_tracer_info
->patch
< 10) {
2140 } else if (curr_tracer_info
->minor
== 9) {
2141 /* fixed in lttng-modules 2.9.13 */
2142 if (curr_tracer_info
->patch
< 13) {
2145 } else if (curr_tracer_info
->minor
< 9) {
2155 bool is_tracer_affected_by_barectf_event_before_packet_bug(
2156 struct tracer_info
*curr_tracer_info
)
2158 bool is_affected
= false;
2160 if (strcmp(curr_tracer_info
->name
, "barectf") == 0) {
2161 if (curr_tracer_info
->major
< 2) {
2163 } else if (curr_tracer_info
->major
== 2) {
2164 if (curr_tracer_info
->minor
< 3) {
2166 } else if (curr_tracer_info
->minor
== 3) {
2167 /* fixed in barectf 2.3.1 */
2168 if (curr_tracer_info
->patch
< 1) {
2179 bool is_tracer_affected_by_lttng_crash_quirk(
2180 struct tracer_info
*curr_tracer_info
)
2182 bool is_affected
= false;
2184 /* All LTTng tracer may be affected by this lttng crash quirk. */
2185 if (strcmp(curr_tracer_info
->name
, "lttng-ust") == 0) {
2187 } else if (strcmp(curr_tracer_info
->name
, "lttng-modules") == 0) {
2195 * Looks for trace produced by known buggy tracers and fix up the index
2199 int fix_packet_index_tracer_bugs(struct ctf_fs_component
*ctf_fs
)
2203 struct tracer_info current_tracer_info
;
2204 GPtrArray
*traces
= ctf_fs
->traces
;
2205 bt_logging_level log_level
= ctf_fs
->log_level
;
2208 * Iterate over all the traces of this component and check for
2209 * possible indexing bugs.
2211 for (trace_i
= 0; trace_i
< traces
->len
; trace_i
++) {
2212 struct ctf_fs_trace
*trace
= g_ptr_array_index(traces
,
2215 ret
= extract_tracer_info(trace
, ¤t_tracer_info
);
2218 * A trace may not have all the necessary environment
2219 * entries to do the tracer version comparison.
2220 * At least, the tracer name and major version number
2221 * are needed. Failing to extract these entries is not
2225 BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions.");
2229 /* Check if the trace may be affected by old tracer bugs. */
2230 if (is_tracer_affected_by_lttng_event_after_packet_bug(
2231 ¤t_tracer_info
)) {
2232 BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up.");
2233 ret
= fix_index_lttng_event_after_packet_bug(trace
);
2235 BT_LOGE_STR("Failed to fix LTTng event-after-packet bug.");
2238 trace
->metadata
->tc
->quirks
.lttng_event_after_packet
= true;
2241 if (is_tracer_affected_by_barectf_event_before_packet_bug(
2242 ¤t_tracer_info
)) {
2243 BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up.");
2244 ret
= fix_index_barectf_event_before_packet_bug(trace
);
2246 BT_LOGE_STR("Failed to fix barectf event-before-packet bug.");
2249 trace
->metadata
->tc
->quirks
.barectf_event_before_packet
= true;
2252 if (is_tracer_affected_by_lttng_crash_quirk(
2253 ¤t_tracer_info
)) {
2254 ret
= fix_index_lttng_crash_quirk(trace
);
2256 BT_LOGE_STR("Failed to fix lttng-crash timestamp quirks.");
2259 trace
->metadata
->tc
->quirks
.lttng_crash
= true;
2266 int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source
*self_comp
,
2267 struct ctf_fs_component
*ctf_fs
,
2268 const bt_value
*paths_value
)
2272 bt_logging_level log_level
= ctf_fs
->log_level
;
2274 for (i
= 0; i
< bt_value_array_get_length(paths_value
); i
++) {
2275 const bt_value
*path_value
= bt_value_array_borrow_element_by_index_const(paths_value
, i
);
2276 const char *input
= bt_value_string_get(path_value
);
2278 ret
= ctf_fs_component_create_ctf_fs_traces_one_root(ctf_fs
,
2285 ret
= merge_traces_with_same_uuid(ctf_fs
);
2287 BT_LOGE_STR("Failed to merge traces with the same UUID.");
2290 ret
= fix_packet_index_tracer_bugs(ctf_fs
);
2292 BT_LOGE_STR("Failed to fix packet index tracer bugs.");
2299 GString
*get_stream_instance_unique_name(
2300 struct ctf_fs_ds_file_group
*ds_file_group
)
2303 struct ctf_fs_ds_file_info
*ds_file_info
;
2305 name
= g_string_new(NULL
);
2311 * If there's more than one stream file in the stream file
2312 * group, the first (earliest) stream file's path is used as
2313 * the stream's unique name.
2315 BT_ASSERT(ds_file_group
->ds_file_infos
->len
> 0);
2316 ds_file_info
= g_ptr_array_index(ds_file_group
->ds_file_infos
, 0);
2317 g_string_assign(name
, ds_file_info
->path
->str
);
2323 /* Create the IR stream objects for ctf_fs_trace. */
2326 int create_streams_for_trace(struct ctf_fs_trace
*ctf_fs_trace
)
2329 GString
*name
= NULL
;
2331 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
2332 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
2334 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
2335 struct ctf_fs_ds_file_group
*ds_file_group
=
2336 g_ptr_array_index(ctf_fs_trace
->ds_file_groups
, i
);
2337 name
= get_stream_instance_unique_name(ds_file_group
);
2343 if (ds_file_group
->sc
->ir_sc
) {
2344 BT_ASSERT(ctf_fs_trace
->trace
);
2346 if (ds_file_group
->stream_id
== UINT64_C(-1)) {
2347 /* No stream ID: use 0 */
2348 ds_file_group
->stream
= bt_stream_create_with_id(
2349 ds_file_group
->sc
->ir_sc
,
2350 ctf_fs_trace
->trace
,
2351 ctf_fs_trace
->next_stream_id
);
2352 ctf_fs_trace
->next_stream_id
++;
2354 /* Specific stream ID */
2355 ds_file_group
->stream
= bt_stream_create_with_id(
2356 ds_file_group
->sc
->ir_sc
,
2357 ctf_fs_trace
->trace
,
2358 (uint64_t) ds_file_group
->stream_id
);
2361 ds_file_group
->stream
= NULL
;
2364 if (!ds_file_group
->stream
) {
2365 BT_COMP_LOGE("Cannot create stream for DS file group: "
2366 "addr=%p, stream-name=\"%s\"",
2367 ds_file_group
, name
->str
);
2371 ret
= bt_stream_set_name(ds_file_group
->stream
,
2374 BT_COMP_LOGE("Cannot set stream's name: "
2375 "addr=%p, stream-name=\"%s\"",
2376 ds_file_group
->stream
, name
->str
);
2380 g_string_free(name
, TRUE
);
2393 g_string_free(name
, TRUE
);
2399 * Validate the "paths" parameter passed to this component. It must be
2400 * present, and it must be an array of strings.
2404 bool validate_inputs_parameter(struct ctf_fs_component
*ctf_fs
,
2405 const bt_value
*inputs
)
2410 bt_logging_level log_level
= ctf_fs
->log_level
;
2411 bt_self_component
*self_comp
= ctf_fs
->self_comp
;
2414 BT_COMP_LOGE("missing \"inputs\" parameter");
2418 type
= bt_value_get_type(inputs
);
2419 if (type
!= BT_VALUE_TYPE_ARRAY
) {
2420 BT_COMP_LOGE("`inputs` parameter: expecting array value: type=%s",
2421 bt_common_value_type_string(type
));
2425 for (i
= 0; i
< bt_value_array_get_length(inputs
); i
++) {
2426 const bt_value
*elem
;
2428 elem
= bt_value_array_borrow_element_by_index_const(inputs
, i
);
2429 type
= bt_value_get_type(elem
);
2430 if (type
!= BT_VALUE_TYPE_STRING
) {
2431 BT_COMP_LOGE("`inputs` parameter: expecting string value: index=%" PRIu64
", type=%s",
2432 i
, bt_common_value_type_string(type
));
2447 bool read_src_fs_parameters(const bt_value
*params
,
2448 const bt_value
**inputs
, struct ctf_fs_component
*ctf_fs
) {
2450 const bt_value
*value
;
2451 bt_logging_level log_level
= ctf_fs
->log_level
;
2452 bt_self_component
*self_comp
= ctf_fs
->self_comp
;
2454 /* inputs parameter */
2455 *inputs
= bt_value_map_borrow_entry_value_const(params
, "inputs");
2456 if (!validate_inputs_parameter(ctf_fs
, *inputs
)) {
2460 /* clock-class-offset-s parameter */
2461 value
= bt_value_map_borrow_entry_value_const(params
,
2462 "clock-class-offset-s");
2464 if (!bt_value_is_signed_integer(value
)) {
2465 BT_COMP_LOGE("clock-class-offset-s must be an integer");
2468 ctf_fs
->metadata_config
.clock_class_offset_s
=
2469 bt_value_integer_signed_get(value
);
2472 /* clock-class-offset-ns parameter */
2473 value
= bt_value_map_borrow_entry_value_const(params
,
2474 "clock-class-offset-ns");
2476 if (!bt_value_is_signed_integer(value
)) {
2477 BT_COMP_LOGE("clock-class-offset-ns must be an integer");
2480 ctf_fs
->metadata_config
.clock_class_offset_ns
=
2481 bt_value_integer_signed_get(value
);
2496 struct ctf_fs_component
*ctf_fs_create(
2497 bt_self_component_source
*self_comp_src
,
2498 const bt_value
*params
)
2500 struct ctf_fs_component
*ctf_fs
= NULL
;
2502 const bt_value
*inputs_value
;
2503 bt_self_component
*self_comp
=
2504 bt_self_component_source_as_self_component(self_comp_src
);
2506 ctf_fs
= ctf_fs_component_create(bt_component_get_logging_level(
2507 bt_self_component_as_component(self_comp
)), self_comp
);
2512 if (!read_src_fs_parameters(params
, &inputs_value
, ctf_fs
)) {
2516 bt_self_component_set_data(self_comp
, ctf_fs
);
2517 ctf_fs
->self_comp
= self_comp
;
2518 ctf_fs
->self_comp_src
= self_comp_src
;
2520 if (ctf_fs_component_create_ctf_fs_traces(self_comp_src
, ctf_fs
, inputs_value
)) {
2524 for (i
= 0; i
< ctf_fs
->traces
->len
; i
++) {
2525 struct ctf_fs_trace
*trace
= g_ptr_array_index(ctf_fs
->traces
, i
);
2527 if (create_streams_for_trace(trace
)) {
2531 if (create_ports_for_trace(ctf_fs
, trace
)) {
2539 ctf_fs_destroy(ctf_fs
);
2541 bt_self_component_set_data(self_comp
, NULL
);
2548 bt_component_class_init_method_status
ctf_fs_init(
2549 bt_self_component_source
*self_comp
,
2550 const bt_value
*params
, __attribute__((unused
)) void *init_method_data
)
2552 struct ctf_fs_component
*ctf_fs
;
2553 bt_component_class_init_method_status ret
=
2554 BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK
;
2556 ctf_fs
= ctf_fs_create(self_comp
, params
);
2558 ret
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR
;
2565 bt_component_class_query_method_status
ctf_fs_query(
2566 bt_self_component_class_source
*comp_class
,
2567 bt_private_query_executor
*priv_query_exec
,
2568 const char *object
, const bt_value
*params
,
2569 __attribute__((unused
)) void *method_data
,
2570 const bt_value
**result
)
2572 bt_component_class_query_method_status status
=
2573 BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK
;
2574 bt_logging_level log_level
= bt_query_executor_get_logging_level(
2575 bt_private_query_executor_as_query_executor_const(
2578 if (strcmp(object
, "metadata-info") == 0) {
2579 status
= metadata_info_query(comp_class
, params
, log_level
,
2581 } else if (strcmp(object
, "babeltrace.trace-info") == 0) {
2582 status
= trace_info_query(comp_class
, params
, log_level
,
2584 } else if (!strcmp(object
, "babeltrace.support-info")) {
2585 status
= support_info_query(comp_class
, params
, log_level
, result
);
2587 BT_LOGE("Unknown query object `%s`", object
);
2588 status
= BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT
;