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_initialize_method_status
ctf_fs_iterator_init(
252 bt_self_message_iterator
*self_msg_iter
,
253 bt_self_message_iterator_configuration
*config
,
254 bt_self_component_source
*self_comp_src
,
255 bt_self_component_port_output
*self_port
)
257 struct ctf_fs_port_data
*port_data
;
258 struct ctf_fs_msg_iter_data
*msg_iter_data
= NULL
;
259 bt_component_class_message_iterator_initialize_method_status ret
=
260 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK
;
261 bt_logging_level log_level
;
262 bt_self_component
*self_comp
=
263 bt_self_component_source_as_self_component(self_comp_src
);
265 port_data
= bt_self_component_port_get_data(
266 bt_self_component_port_output_as_self_component_port(
268 BT_ASSERT(port_data
);
269 log_level
= port_data
->ctf_fs
->log_level
;
270 msg_iter_data
= g_new0(struct ctf_fs_msg_iter_data
, 1);
271 if (!msg_iter_data
) {
272 ret
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR
;
276 msg_iter_data
->log_level
= log_level
;
277 msg_iter_data
->self_comp
= self_comp
;
278 msg_iter_data
->pc_msg_iter
= self_msg_iter
;
279 msg_iter_data
->msg_iter
= bt_msg_iter_create(
280 port_data
->ds_file_group
->ctf_fs_trace
->metadata
->tc
,
281 bt_common_get_page_size(msg_iter_data
->log_level
) * 8,
282 ctf_fs_ds_file_medops
, NULL
, msg_iter_data
->log_level
,
284 if (!msg_iter_data
->msg_iter
) {
285 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot create a CTF message iterator.");
286 ret
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR
;
290 msg_iter_data
->ds_file_group
= port_data
->ds_file_group
;
291 if (ctf_fs_iterator_reset(msg_iter_data
)) {
292 ret
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR
;
297 * This iterator can seek forward if its stream class has a default
300 if (msg_iter_data
->ds_file_group
->sc
->default_clock_class
) {
301 bt_self_message_iterator_configuration_set_can_seek_forward(
305 bt_self_message_iterator_set_data(self_msg_iter
,
307 if (ret
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK
) {
310 msg_iter_data
= NULL
;
314 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
317 ctf_fs_msg_iter_data_destroy(msg_iter_data
);
322 void ctf_fs_trace_destroy(struct ctf_fs_trace
*ctf_fs_trace
)
328 if (ctf_fs_trace
->ds_file_groups
) {
329 g_ptr_array_free(ctf_fs_trace
->ds_file_groups
, TRUE
);
332 BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace
->trace
);
334 if (ctf_fs_trace
->path
) {
335 g_string_free(ctf_fs_trace
->path
, TRUE
);
338 if (ctf_fs_trace
->metadata
) {
339 ctf_fs_metadata_fini(ctf_fs_trace
->metadata
);
340 g_free(ctf_fs_trace
->metadata
);
343 g_free(ctf_fs_trace
);
347 void ctf_fs_destroy(struct ctf_fs_component
*ctf_fs
)
353 ctf_fs_trace_destroy(ctf_fs
->trace
);
355 if (ctf_fs
->port_data
) {
356 g_ptr_array_free(ctf_fs
->port_data
, TRUE
);
363 void port_data_destroy(struct ctf_fs_port_data
*port_data
)
373 void port_data_destroy_notifier(void *data
) {
374 port_data_destroy(data
);
378 void ctf_fs_trace_destroy_notifier(void *data
)
380 struct ctf_fs_trace
*trace
= data
;
381 ctf_fs_trace_destroy(trace
);
384 struct ctf_fs_component
*ctf_fs_component_create(bt_logging_level log_level
,
385 bt_self_component
*self_comp
)
387 struct ctf_fs_component
*ctf_fs
;
389 ctf_fs
= g_new0(struct ctf_fs_component
, 1);
394 ctf_fs
->log_level
= log_level
;
396 g_ptr_array_new_with_free_func(port_data_destroy_notifier
);
397 if (!ctf_fs
->port_data
) {
404 ctf_fs_destroy(ctf_fs
);
411 void ctf_fs_finalize(bt_self_component_source
*component
)
413 ctf_fs_destroy(bt_self_component_get_data(
414 bt_self_component_source_as_self_component(component
)));
417 gchar
*ctf_fs_make_port_name(struct ctf_fs_ds_file_group
*ds_file_group
)
419 GString
*name
= g_string_new(NULL
);
422 * The unique port name is generated by concatenating unique identifiers
430 /* For the trace, use the uuid if present, else the path. */
431 if (ds_file_group
->ctf_fs_trace
->metadata
->tc
->is_uuid_set
) {
432 char uuid_str
[BT_UUID_STR_LEN
+ 1];
434 bt_uuid_to_str(ds_file_group
->ctf_fs_trace
->metadata
->tc
->uuid
, uuid_str
);
435 g_string_assign(name
, uuid_str
);
437 g_string_assign(name
, ds_file_group
->ctf_fs_trace
->path
->str
);
441 * For the stream class, use the id if present. We can omit this field
442 * otherwise, as there will only be a single stream class.
444 if (ds_file_group
->sc
->id
!= UINT64_C(-1)) {
445 g_string_append_printf(name
, " | %" PRIu64
, ds_file_group
->sc
->id
);
448 /* For the stream, use the id if present, else, use the path. */
449 if (ds_file_group
->stream_id
!= UINT64_C(-1)) {
450 g_string_append_printf(name
, " | %" PRIu64
, ds_file_group
->stream_id
);
452 BT_ASSERT(ds_file_group
->ds_file_infos
->len
== 1);
453 struct ctf_fs_ds_file_info
*ds_file_info
=
454 g_ptr_array_index(ds_file_group
->ds_file_infos
, 0);
455 g_string_append_printf(name
, " | %s", ds_file_info
->path
->str
);
458 return g_string_free(name
, FALSE
);
462 int create_one_port_for_trace(struct ctf_fs_component
*ctf_fs
,
463 struct ctf_fs_trace
*ctf_fs_trace
,
464 struct ctf_fs_ds_file_group
*ds_file_group
,
465 bt_self_component_source
*self_comp_src
)
468 struct ctf_fs_port_data
*port_data
= NULL
;
470 bt_logging_level log_level
= ctf_fs
->log_level
;
471 bt_self_component
*self_comp
=
472 bt_self_component_source_as_self_component(self_comp_src
);
474 port_name
= ctf_fs_make_port_name(ds_file_group
);
479 BT_COMP_LOGI("Creating one port named `%s`", port_name
);
481 /* Create output port for this file */
482 port_data
= g_new0(struct ctf_fs_port_data
, 1);
487 port_data
->ctf_fs
= ctf_fs
;
488 port_data
->ds_file_group
= ds_file_group
;
489 ret
= bt_self_component_source_add_output_port(
490 self_comp_src
, port_name
, port_data
, NULL
);
495 g_ptr_array_add(ctf_fs
->port_data
, port_data
);
505 port_data_destroy(port_data
);
510 int create_ports_for_trace(struct ctf_fs_component
*ctf_fs
,
511 struct ctf_fs_trace
*ctf_fs_trace
,
512 bt_self_component_source
*self_comp_src
)
516 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
517 bt_self_component
*self_comp
=
518 bt_self_component_source_as_self_component(self_comp_src
);
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
,
526 ds_file_group
, self_comp_src
);
528 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "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_APPEND_CAUSE(self_comp
,
735 "Cannot get stream file's first packet's header and context fields (`%s`).",
740 sc
= ctf_trace_class_borrow_stream_class_by_id(ds_file
->metadata
->tc
,
741 props
.stream_class_id
);
743 stream_instance_id
= props
.data_stream_id
;
745 if (props
.snapshots
.beginning_clock
!= UINT64_C(-1)) {
746 BT_ASSERT(sc
->default_clock_class
);
747 ret
= bt_util_clock_cycles_to_ns_from_origin(
748 props
.snapshots
.beginning_clock
,
749 sc
->default_clock_class
->frequency
,
750 sc
->default_clock_class
->offset_seconds
,
751 sc
->default_clock_class
->offset_cycles
, &begin_ns
);
753 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
754 "Cannot convert clock cycles to nanoseconds from origin (`%s`).",
760 ds_file_info
= ctf_fs_ds_file_info_create(path
, begin_ns
);
765 index
= ctf_fs_ds_file_build_index(ds_file
, ds_file_info
);
767 BT_COMP_LOGW("Failed to index CTF stream file \'%s\'",
768 ds_file
->file
->path
->str
);
771 if (begin_ns
== -1) {
773 * No beggining timestamp to sort the stream files
774 * within a stream file group, so consider that this
775 * file must be the only one within its group.
777 stream_instance_id
= -1;
780 if (stream_instance_id
== -1) {
782 * No stream instance ID or no beginning timestamp:
783 * create a unique stream file group for this stream
784 * file because, even if there's a stream instance ID,
785 * there's no timestamp to order the file within its
788 ds_file_group
= ctf_fs_ds_file_group_create(ctf_fs_trace
,
789 sc
, UINT64_C(-1), index
);
790 /* Ownership of index is transferred. */
793 if (!ds_file_group
) {
797 ds_file_group_insert_ds_file_info_sorted(ds_file_group
, ds_file_info
);
803 BT_ASSERT(stream_instance_id
!= -1);
804 BT_ASSERT(begin_ns
!= -1);
806 /* Find an existing stream file group with this ID */
807 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
808 ds_file_group
= g_ptr_array_index(
809 ctf_fs_trace
->ds_file_groups
, i
);
811 if (ds_file_group
->sc
== sc
&&
812 ds_file_group
->stream_id
==
813 stream_instance_id
) {
817 ds_file_group
= NULL
;
820 if (!ds_file_group
) {
821 ds_file_group
= ctf_fs_ds_file_group_create(ctf_fs_trace
,
822 sc
, stream_instance_id
, index
);
823 /* Ownership of index is transferred. */
825 if (!ds_file_group
) {
832 ds_file_group_insert_ds_file_info_sorted(ds_file_group
, ds_file_info
);
837 ctf_fs_ds_file_group_destroy(ds_file_group
);
838 ds_file_group
= NULL
;
842 if (add_group
&& ds_file_group
) {
843 g_ptr_array_add(ctf_fs_trace
->ds_file_groups
, ds_file_group
);
846 ctf_fs_ds_file_destroy(ds_file
);
849 bt_msg_iter_destroy(msg_iter
);
852 ctf_fs_ds_index_destroy(index
);
857 int create_ds_file_groups(struct ctf_fs_trace
*ctf_fs_trace
)
860 const char *basename
;
861 GError
*error
= NULL
;
863 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
864 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
866 /* Check each file in the path directory, except specific ones */
867 dir
= g_dir_open(ctf_fs_trace
->path
->str
, 0, &error
);
869 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot open directory `%s`: %s (code %d)",
870 ctf_fs_trace
->path
->str
, error
->message
,
875 while ((basename
= g_dir_read_name(dir
))) {
876 struct ctf_fs_file
*file
;
878 if (strcmp(basename
, CTF_FS_METADATA_FILENAME
) == 0) {
879 /* Ignore the metadata stream. */
880 BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S
"%s`",
881 ctf_fs_trace
->path
->str
, basename
);
885 if (basename
[0] == '.') {
886 BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S
"%s`",
887 ctf_fs_trace
->path
->str
, basename
);
891 /* Create the file. */
892 file
= ctf_fs_file_create(log_level
, self_comp
);
894 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
895 "Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S
"%s`",
896 ctf_fs_trace
->path
->str
, basename
);
900 /* Create full path string. */
901 g_string_append_printf(file
->path
, "%s" G_DIR_SEPARATOR_S
"%s",
902 ctf_fs_trace
->path
->str
, basename
);
903 if (!g_file_test(file
->path
->str
, G_FILE_TEST_IS_REGULAR
)) {
904 BT_COMP_LOGI("Ignoring non-regular file `%s`",
906 ctf_fs_file_destroy(file
);
911 ret
= ctf_fs_file_open(file
, "rb");
913 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot open stream file `%s`",
918 if (file
->size
== 0) {
919 /* Skip empty stream. */
920 BT_COMP_LOGI("Ignoring empty file `%s`", file
->path
->str
);
921 ctf_fs_file_destroy(file
);
925 ret
= add_ds_file_to_ds_file_group(ctf_fs_trace
,
928 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
929 "Cannot add stream file `%s` to stream file group",
931 ctf_fs_file_destroy(file
);
935 ctf_fs_file_destroy(file
);
957 int set_trace_name(bt_trace
*trace
, const char *name_suffix
,
958 bt_logging_level log_level
, bt_self_component
*self_comp
)
964 name
= g_string_new(NULL
);
966 BT_COMP_LOGE_STR("Failed to allocate a GString.");
972 * Check if we have a trace environment string value named `hostname`.
973 * If so, use it as the trace name's prefix.
975 val
= bt_trace_borrow_environment_entry_value_by_name_const(
977 if (val
&& bt_value_is_string(val
)) {
978 g_string_append(name
, bt_value_string_get(val
));
981 g_string_append_c(name
, G_DIR_SEPARATOR
);
986 g_string_append(name
, name_suffix
);
989 ret
= bt_trace_set_name(trace
, name
->str
);
998 g_string_free(name
, TRUE
);
1005 struct ctf_fs_trace
*ctf_fs_trace_create(bt_self_component
*self_comp
,
1006 const char *path
, const char *name
,
1007 struct ctf_fs_metadata_config
*metadata_config
,
1008 bt_logging_level log_level
)
1010 struct ctf_fs_trace
*ctf_fs_trace
;
1013 ctf_fs_trace
= g_new0(struct ctf_fs_trace
, 1);
1014 if (!ctf_fs_trace
) {
1018 ctf_fs_trace
->log_level
= log_level
;
1019 ctf_fs_trace
->self_comp
= self_comp
;
1020 ctf_fs_trace
->path
= g_string_new(path
);
1021 if (!ctf_fs_trace
->path
) {
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
);
1103 /* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */
1106 int ctf_fs_component_create_ctf_fs_trace_one_path(
1107 struct ctf_fs_component
*ctf_fs
,
1108 const char *path_param
,
1109 const char *trace_name
,
1111 bt_self_component
*self_comp
,
1112 bt_self_component_class
*self_comp_class
)
1114 struct ctf_fs_trace
*ctf_fs_trace
;
1117 bt_logging_level log_level
= ctf_fs
->log_level
;
1119 norm_path
= bt_common_normalize_path(path_param
, NULL
);
1121 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1122 "Failed to normalize path: `%s`.", path_param
);
1126 ret
= path_is_ctf_trace(norm_path
->str
);
1128 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1129 "Failed to check if path is a CTF trace: path=%s", norm_path
->str
);
1131 } else if (ret
== 0) {
1132 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1133 "Path is not a CTF trace (does not contain a metadata file): `%s`.", norm_path
->str
);
1137 // FIXME: Remove or ifdef for __MINGW32__
1138 if (strcmp(norm_path
->str
, "/") == 0) {
1139 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1140 "Opening a trace in `/` is not supported.");
1145 ctf_fs_trace
= ctf_fs_trace_create(self_comp
, norm_path
->str
,
1146 trace_name
, &ctf_fs
->metadata_config
, log_level
);
1147 if (!ctf_fs_trace
) {
1148 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot create trace for `%s`.",
1153 g_ptr_array_add(traces
, ctf_fs_trace
);
1154 ctf_fs_trace
= NULL
;
1164 g_string_free(norm_path
, TRUE
);
1171 * Count the number of stream and event classes defined by this trace's metadata.
1173 * This is used to determine which metadata is the "latest", out of multiple
1174 * traces sharing the same UUID. It is assumed that amongst all these metadatas,
1175 * a bigger metadata is a superset of a smaller metadata. Therefore, it is
1176 * enough to just count the classes.
1180 unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace
*trace
)
1182 unsigned int num
= trace
->metadata
->tc
->stream_classes
->len
;
1185 for (i
= 0; i
< trace
->metadata
->tc
->stream_classes
->len
; i
++) {
1186 struct ctf_stream_class
*sc
= trace
->metadata
->tc
->stream_classes
->pdata
[i
];
1187 num
+= sc
->event_classes
->len
;
1194 * Merge the src ds_file_group into dest. This consists of merging their
1195 * ds_file_infos, making sure to keep the result sorted.
1199 void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group
*dest
, struct ctf_fs_ds_file_group
*src
)
1203 for (i
= 0; i
< src
->ds_file_infos
->len
; i
++) {
1204 struct ctf_fs_ds_file_info
*ds_file_info
=
1205 g_ptr_array_index(src
->ds_file_infos
, i
);
1207 /* Ownership of the ds_file_info is transferred to dest. */
1208 g_ptr_array_index(src
->ds_file_infos
, i
) = NULL
;
1210 ds_file_group_insert_ds_file_info_sorted(dest
, ds_file_info
);
1213 /* Merge both indexes. */
1214 for (i
= 0; i
< src
->index
->entries
->len
; i
++) {
1215 struct ctf_fs_ds_index_entry
*entry
= g_ptr_array_index(
1216 src
->index
->entries
, i
);
1219 * Ownership of the ctf_fs_ds_index_entry is transferred to
1222 g_ptr_array_index(src
->index
->entries
, i
) = NULL
;
1224 ds_file_group_insert_ds_index_entry_sorted(dest
, entry
);
1227 /* Merge src_trace's data stream file groups into dest_trace's. */
1230 int merge_matching_ctf_fs_ds_file_groups(
1231 struct ctf_fs_trace
*dest_trace
,
1232 struct ctf_fs_trace
*src_trace
)
1235 GPtrArray
*dest
= dest_trace
->ds_file_groups
;
1236 GPtrArray
*src
= src_trace
->ds_file_groups
;
1241 * Save the initial length of dest: we only want to check against the
1242 * original elements in the inner loop.
1244 const guint dest_len
= dest
->len
;
1246 for (s_i
= 0; s_i
< src
->len
; s_i
++) {
1247 struct ctf_fs_ds_file_group
*src_group
= g_ptr_array_index(src
, s_i
);
1248 struct ctf_fs_ds_file_group
*dest_group
= NULL
;
1250 /* A stream instance without ID can't match a stream in the other trace. */
1251 if (src_group
->stream_id
!= -1) {
1254 /* Let's search for a matching ds_file_group in the destination. */
1255 for (d_i
= 0; d_i
< dest_len
; d_i
++) {
1256 struct ctf_fs_ds_file_group
*candidate_dest
= g_ptr_array_index(dest
, d_i
);
1258 /* Can't match a stream instance without ID. */
1259 if (candidate_dest
->stream_id
== -1) {
1264 * If the two groups have the same stream instance id
1265 * and belong to the same stream class (stream instance
1266 * ids are per-stream class), they represent the same
1269 if (candidate_dest
->stream_id
!= src_group
->stream_id
||
1270 candidate_dest
->sc
->id
!= src_group
->sc
->id
) {
1274 dest_group
= candidate_dest
;
1280 * Didn't find a friend in dest to merge our src_group into?
1281 * Create a new empty one. This can happen if a stream was
1282 * active in the source trace chunk but not in the destination
1286 struct ctf_stream_class
*sc
;
1287 struct ctf_fs_ds_index
*index
;
1289 sc
= ctf_trace_class_borrow_stream_class_by_id(
1290 dest_trace
->metadata
->tc
, src_group
->sc
->id
);
1293 index
= ctf_fs_ds_index_create(dest_trace
->log_level
,
1294 dest_trace
->self_comp
);
1300 dest_group
= ctf_fs_ds_file_group_create(dest_trace
, sc
,
1301 src_group
->stream_id
, index
);
1302 /* Ownership of index is transferred. */
1309 g_ptr_array_add(dest_trace
->ds_file_groups
, dest_group
);
1312 BT_ASSERT(dest_group
);
1313 merge_ctf_fs_ds_file_groups(dest_group
, src_group
);
1321 * Collapse the given traces, which must all share the same UUID, in a single
1324 * The trace with the most expansive metadata is chosen and all other traces
1325 * are merged into that one. The array slots of all the traces that get merged
1326 * in the chosen one are set to NULL, so only the slot of the chosen trace
1331 int merge_ctf_fs_traces(struct ctf_fs_trace
**traces
, unsigned int num_traces
,
1332 struct ctf_fs_trace
**out_trace
)
1334 unsigned int winner_count
;
1335 struct ctf_fs_trace
*winner
;
1339 BT_ASSERT(num_traces
>= 2);
1341 winner_count
= metadata_count_stream_and_event_classes(traces
[0]);
1345 /* Find the trace with the largest metadata. */
1346 for (i
= 1; i
< num_traces
; i
++) {
1347 struct ctf_fs_trace
*candidate
;
1348 unsigned int candidate_count
;
1350 candidate
= traces
[i
];
1352 /* A bit of sanity check. */
1353 BT_ASSERT(bt_uuid_compare(winner
->metadata
->tc
->uuid
, candidate
->metadata
->tc
->uuid
) == 0);
1355 candidate_count
= metadata_count_stream_and_event_classes(candidate
);
1357 if (candidate_count
> winner_count
) {
1358 winner_count
= candidate_count
;
1364 /* Merge all the other traces in the winning trace. */
1365 for (i
= 0; i
< num_traces
; i
++) {
1366 struct ctf_fs_trace
*trace
= traces
[i
];
1368 /* Don't merge the winner into itself. */
1369 if (trace
== winner
) {
1373 /* Merge trace's data stream file groups into winner's. */
1374 ret
= merge_matching_ctf_fs_ds_file_groups(winner
, trace
);
1381 * Move the winner out of the array, into `*out_trace`.
1383 *out_trace
= winner
;
1384 traces
[winner_i
] = NULL
;
1396 int decode_clock_snapshot_after_event(struct ctf_fs_trace
*ctf_fs_trace
,
1397 struct ctf_clock_class
*default_cc
,
1398 struct ctf_fs_ds_index_entry
*index_entry
,
1399 enum target_event target_event
, uint64_t *cs
, int64_t *ts_ns
)
1401 enum bt_msg_iter_status iter_status
= BT_MSG_ITER_STATUS_OK
;
1402 struct ctf_fs_ds_file
*ds_file
= NULL
;
1403 struct bt_msg_iter
*msg_iter
= NULL
;
1404 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
1405 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
1408 BT_ASSERT(ctf_fs_trace
);
1409 BT_ASSERT(ctf_fs_trace
->metadata
);
1410 BT_ASSERT(ctf_fs_trace
->metadata
->tc
);
1412 msg_iter
= bt_msg_iter_create(ctf_fs_trace
->metadata
->tc
,
1413 bt_common_get_page_size(log_level
) * 8, ctf_fs_ds_file_medops
,
1414 NULL
, log_level
, self_comp
);
1416 /* bt_msg_iter_create() logs errors. */
1421 BT_ASSERT(index_entry
);
1422 BT_ASSERT(index_entry
->path
);
1424 ds_file
= ctf_fs_ds_file_create(ctf_fs_trace
, NULL
, msg_iter
,
1425 NULL
, index_entry
->path
, log_level
);
1427 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Failed to create a ctf_fs_ds_file");
1433 * Turn on dry run mode to prevent the creation and usage of Babeltrace
1434 * library objects (bt_field, bt_message_*, etc.).
1436 bt_msg_iter_set_dry_run(msg_iter
, true);
1438 /* Seek to the beginning of the target packet. */
1439 iter_status
= bt_msg_iter_seek(ds_file
->msg_iter
, index_entry
->offset
);
1441 /* bt_msg_iter_seek() logs errors. */
1446 switch (target_event
) {
1449 * Start to decode the packet until we reach the end of
1450 * the first event. To extract the first event's clock
1453 iter_status
= bt_msg_iter_curr_packet_first_event_clock_snapshot(
1454 ds_file
->msg_iter
, cs
);
1457 /* Decode the packet to extract the last event's clock snapshot. */
1458 iter_status
= bt_msg_iter_curr_packet_last_event_clock_snapshot(
1459 ds_file
->msg_iter
, cs
);
1469 /* Convert clock snapshot to timestamp. */
1470 ret
= bt_util_clock_cycles_to_ns_from_origin(*cs
,
1471 default_cc
->frequency
, default_cc
->offset_seconds
,
1472 default_cc
->offset_cycles
, ts_ns
);
1474 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1475 "Failed to convert clock snapshot to timestamp");
1481 ctf_fs_ds_file_destroy(ds_file
);
1484 bt_msg_iter_destroy(msg_iter
);
1491 int decode_packet_first_event_timestamp(struct ctf_fs_trace
*ctf_fs_trace
,
1492 struct ctf_clock_class
*default_cc
,
1493 struct ctf_fs_ds_index_entry
*index_entry
, uint64_t *cs
, int64_t *ts_ns
)
1495 return decode_clock_snapshot_after_event(ctf_fs_trace
, default_cc
,
1496 index_entry
, FIRST_EVENT
, cs
, ts_ns
);
1500 int decode_packet_last_event_timestamp(struct ctf_fs_trace
*ctf_fs_trace
,
1501 struct ctf_clock_class
*default_cc
,
1502 struct ctf_fs_ds_index_entry
*index_entry
, uint64_t *cs
, int64_t *ts_ns
)
1504 return decode_clock_snapshot_after_event(ctf_fs_trace
, default_cc
,
1505 index_entry
, LAST_EVENT
, cs
, ts_ns
);
1509 * Fix up packet index entries for lttng's "event-after-packet" bug.
1510 * Some buggy lttng tracer versions may emit events with a timestamp that is
1511 * larger (after) than the timestamp_end of the their packets.
1513 * To fix up this erroneous data we do the following:
1514 * 1. If it's not the stream file's last packet: set the packet index entry's
1515 * end time to the next packet's beginning time.
1516 * 2. If it's the stream file's last packet, set the packet index entry's end
1517 * time to the packet's last event's time, if any, or to the packet's
1518 * beginning time otherwise.
1520 * Known buggy tracer versions:
1521 * - before lttng-ust 2.11.0
1522 * - before lttng-module 2.11.0
1523 * - before lttng-module 2.10.10
1524 * - before lttng-module 2.9.13
1527 int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace
*trace
)
1530 guint ds_file_group_i
;
1531 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1532 bt_logging_level log_level
= trace
->log_level
;
1534 for (ds_file_group_i
= 0; ds_file_group_i
< ds_file_groups
->len
;
1535 ds_file_group_i
++) {
1537 struct ctf_clock_class
*default_cc
;
1538 struct ctf_fs_ds_index_entry
*last_entry
;
1539 struct ctf_fs_ds_index
*index
;
1541 struct ctf_fs_ds_file_group
*ds_file_group
=
1542 g_ptr_array_index(ds_file_groups
, ds_file_group_i
);
1544 BT_ASSERT(ds_file_group
);
1545 index
= ds_file_group
->index
;
1548 BT_ASSERT(index
->entries
);
1549 BT_ASSERT(index
->entries
->len
> 0);
1552 * Iterate over all entries but the last one. The last one is
1553 * fixed differently after.
1555 for (entry_i
= 0; entry_i
< index
->entries
->len
- 1;
1557 struct ctf_fs_ds_index_entry
*curr_entry
, *next_entry
;
1559 curr_entry
= g_ptr_array_index(index
->entries
, entry_i
);
1560 next_entry
= g_ptr_array_index(index
->entries
, entry_i
+ 1);
1563 * 1. Set the current index entry `end` timestamp to
1564 * the next index entry `begin` timestamp.
1566 curr_entry
->timestamp_end
= next_entry
->timestamp_begin
;
1567 curr_entry
->timestamp_end_ns
= next_entry
->timestamp_begin_ns
;
1571 * 2. Fix the last entry by decoding the last event of the last
1574 last_entry
= g_ptr_array_index(index
->entries
,
1575 index
->entries
->len
- 1);
1576 BT_ASSERT(last_entry
);
1578 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1579 default_cc
= ds_file_group
->sc
->default_clock_class
;
1582 * Decode packet to read the timestamp of the last event of the
1585 ret
= decode_packet_last_event_timestamp(trace
, default_cc
,
1586 last_entry
, &last_entry
->timestamp_end
,
1587 &last_entry
->timestamp_end_ns
);
1589 BT_COMP_LOGE_APPEND_CAUSE(trace
->self_comp
,
1590 "Failed to decode stream's last packet to get its last event's clock snapshot.");
1600 * Fix up packet index entries for barectf's "event-before-packet" bug.
1601 * Some buggy barectf tracer versions may emit events with a timestamp that is
1602 * less than the timestamp_begin of the their packets.
1604 * To fix up this erroneous data we do the following:
1605 * 1. Starting at the second index entry, set the timestamp_begin of the
1606 * current entry to the timestamp of the first event of the packet.
1607 * 2. Set the previous entry's timestamp_end to the timestamp_begin of the
1610 * Known buggy tracer versions:
1611 * - before barectf 2.3.1
1614 int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace
*trace
)
1617 guint ds_file_group_i
;
1618 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1619 bt_logging_level log_level
= trace
->log_level
;
1621 for (ds_file_group_i
= 0; ds_file_group_i
< ds_file_groups
->len
;
1622 ds_file_group_i
++) {
1624 struct ctf_clock_class
*default_cc
;
1625 struct ctf_fs_ds_file_group
*ds_file_group
=
1626 g_ptr_array_index(ds_file_groups
, ds_file_group_i
);
1628 struct ctf_fs_ds_index
*index
= ds_file_group
->index
;
1631 BT_ASSERT(index
->entries
);
1632 BT_ASSERT(index
->entries
->len
> 0);
1634 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1635 default_cc
= ds_file_group
->sc
->default_clock_class
;
1638 * 1. Iterate over the index, starting from the second entry
1641 for (entry_i
= 1; entry_i
< index
->entries
->len
;
1643 struct ctf_fs_ds_index_entry
*curr_entry
, *prev_entry
;
1644 prev_entry
= g_ptr_array_index(index
->entries
, entry_i
- 1);
1645 curr_entry
= g_ptr_array_index(index
->entries
, entry_i
);
1647 * 2. Set the current entry `begin` timestamp to the
1648 * timestamp of the first event of the current packet.
1650 ret
= decode_packet_first_event_timestamp(trace
, default_cc
,
1651 curr_entry
, &curr_entry
->timestamp_begin
,
1652 &curr_entry
->timestamp_begin_ns
);
1654 BT_COMP_LOGE_APPEND_CAUSE(trace
->self_comp
,
1655 "Failed to decode first event's clock snapshot");
1660 * 3. Set the previous entry `end` timestamp to the
1661 * timestamp of the first event of the current packet.
1663 prev_entry
->timestamp_end
= curr_entry
->timestamp_begin
;
1664 prev_entry
->timestamp_end_ns
= curr_entry
->timestamp_begin_ns
;
1672 * When using the lttng-crash feature it's likely that the last packets of each
1673 * stream have their timestamp_end set to zero. This is caused by the fact that
1674 * the tracer crashed and was not able to properly close the packets.
1676 * To fix up this erroneous data we do the following:
1677 * For each index entry, if the entry's timestamp_end is 0 and the
1678 * timestamp_begin is not 0:
1679 * - If it's the stream file's last packet: set the packet index entry's end
1680 * time to the packet's last event's time, if any, or to the packet's
1681 * beginning time otherwise.
1682 * - If it's not the stream file's last packet: set the packet index
1683 * entry's end time to the next packet's beginning time.
1685 * Affected versions:
1686 * - All current and future lttng-ust and lttng-modules versions.
1689 int fix_index_lttng_crash_quirk(struct ctf_fs_trace
*trace
)
1692 guint ds_file_group_idx
;
1693 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1694 bt_logging_level log_level
= trace
->log_level
;
1696 for (ds_file_group_idx
= 0; ds_file_group_idx
< ds_file_groups
->len
;
1697 ds_file_group_idx
++) {
1699 struct ctf_clock_class
*default_cc
;
1700 struct ctf_fs_ds_index_entry
*last_entry
;
1701 struct ctf_fs_ds_index
*index
;
1703 struct ctf_fs_ds_file_group
*ds_file_group
=
1704 g_ptr_array_index(ds_file_groups
, ds_file_group_idx
);
1706 BT_ASSERT(ds_file_group
);
1707 index
= ds_file_group
->index
;
1709 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1710 default_cc
= ds_file_group
->sc
->default_clock_class
;
1713 BT_ASSERT(index
->entries
);
1714 BT_ASSERT(index
->entries
->len
> 0);
1716 last_entry
= g_ptr_array_index(index
->entries
,
1717 index
->entries
->len
- 1);
1718 BT_ASSERT(last_entry
);
1721 /* 1. Fix the last entry first. */
1722 if (last_entry
->timestamp_end
== 0 &&
1723 last_entry
->timestamp_begin
!= 0) {
1725 * Decode packet to read the timestamp of the
1726 * last event of the stream file.
1728 ret
= decode_packet_last_event_timestamp(trace
,
1729 default_cc
, last_entry
,
1730 &last_entry
->timestamp_end
,
1731 &last_entry
->timestamp_end_ns
);
1733 BT_COMP_LOGE_APPEND_CAUSE(trace
->self_comp
,
1734 "Failed to decode last event's clock snapshot");
1739 /* Iterate over all entries but the last one. */
1740 for (entry_idx
= 0; entry_idx
< index
->entries
->len
- 1;
1742 struct ctf_fs_ds_index_entry
*curr_entry
, *next_entry
;
1743 curr_entry
= g_ptr_array_index(index
->entries
, entry_idx
);
1744 next_entry
= g_ptr_array_index(index
->entries
, entry_idx
+ 1);
1746 if (curr_entry
->timestamp_end
== 0 &&
1747 curr_entry
->timestamp_begin
!= 0) {
1749 * 2. Set the current index entry `end` timestamp to
1750 * the next index entry `begin` timestamp.
1752 curr_entry
->timestamp_end
= next_entry
->timestamp_begin
;
1753 curr_entry
->timestamp_end_ns
= next_entry
->timestamp_begin_ns
;
1763 * Extract the tracer information necessary to compare versions.
1764 * Returns 0 on success, and -1 if the extraction is not successful because the
1765 * necessary fields are absents in the trace metadata.
1768 int extract_tracer_info(struct ctf_fs_trace
*trace
,
1769 struct tracer_info
*current_tracer_info
)
1772 struct ctf_trace_class_env_entry
*entry
;
1774 /* Clear the current_tracer_info struct */
1775 memset(current_tracer_info
, 0, sizeof(*current_tracer_info
));
1778 * To compare 2 tracer versions, at least the tracer name and it's
1779 * major version are needed. If one of these is missing, consider it an
1780 * extraction failure.
1782 entry
= ctf_trace_class_borrow_env_entry_by_name(
1783 trace
->metadata
->tc
, "tracer_name");
1784 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR
) {
1785 goto missing_bare_minimum
;
1788 /* Set tracer name. */
1789 current_tracer_info
->name
= entry
->value
.str
->str
;
1791 entry
= ctf_trace_class_borrow_env_entry_by_name(
1792 trace
->metadata
->tc
, "tracer_major");
1793 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1794 goto missing_bare_minimum
;
1797 /* Set major version number. */
1798 current_tracer_info
->major
= entry
->value
.i
;
1800 entry
= ctf_trace_class_borrow_env_entry_by_name(
1801 trace
->metadata
->tc
, "tracer_minor");
1802 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1806 /* Set minor version number. */
1807 current_tracer_info
->minor
= entry
->value
.i
;
1809 entry
= ctf_trace_class_borrow_env_entry_by_name(
1810 trace
->metadata
->tc
, "tracer_patch");
1813 * If `tracer_patch` doesn't exist `tracer_patchlevel` might.
1814 * For example, `lttng-modules` uses entry name
1815 * `tracer_patchlevel`.
1817 entry
= ctf_trace_class_borrow_env_entry_by_name(
1818 trace
->metadata
->tc
, "tracer_patchlevel");
1821 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1825 /* Set patch version number. */
1826 current_tracer_info
->patch
= entry
->value
.i
;
1830 missing_bare_minimum
:
1837 bool is_tracer_affected_by_lttng_event_after_packet_bug(
1838 struct tracer_info
*curr_tracer_info
)
1840 bool is_affected
= false;
1842 if (strcmp(curr_tracer_info
->name
, "lttng-ust") == 0) {
1843 if (curr_tracer_info
->major
< 2) {
1845 } else if (curr_tracer_info
->major
== 2) {
1846 /* fixed in lttng-ust 2.11.0 */
1847 if (curr_tracer_info
->minor
< 11) {
1851 } else if (strcmp(curr_tracer_info
->name
, "lttng-modules") == 0) {
1852 if (curr_tracer_info
->major
< 2) {
1854 } else if (curr_tracer_info
->major
== 2) {
1855 /* fixed in lttng-modules 2.11.0 */
1856 if (curr_tracer_info
->minor
== 10) {
1857 /* fixed in lttng-modules 2.10.10 */
1858 if (curr_tracer_info
->patch
< 10) {
1861 } else if (curr_tracer_info
->minor
== 9) {
1862 /* fixed in lttng-modules 2.9.13 */
1863 if (curr_tracer_info
->patch
< 13) {
1866 } else if (curr_tracer_info
->minor
< 9) {
1876 bool is_tracer_affected_by_barectf_event_before_packet_bug(
1877 struct tracer_info
*curr_tracer_info
)
1879 bool is_affected
= false;
1881 if (strcmp(curr_tracer_info
->name
, "barectf") == 0) {
1882 if (curr_tracer_info
->major
< 2) {
1884 } else if (curr_tracer_info
->major
== 2) {
1885 if (curr_tracer_info
->minor
< 3) {
1887 } else if (curr_tracer_info
->minor
== 3) {
1888 /* fixed in barectf 2.3.1 */
1889 if (curr_tracer_info
->patch
< 1) {
1900 bool is_tracer_affected_by_lttng_crash_quirk(
1901 struct tracer_info
*curr_tracer_info
)
1903 bool is_affected
= false;
1905 /* All LTTng tracer may be affected by this lttng crash quirk. */
1906 if (strcmp(curr_tracer_info
->name
, "lttng-ust") == 0) {
1908 } else if (strcmp(curr_tracer_info
->name
, "lttng-modules") == 0) {
1916 * Looks for trace produced by known buggy tracers and fix up the index
1920 int fix_packet_index_tracer_bugs(struct ctf_fs_component
*ctf_fs
,
1921 bt_self_component
*self_comp
)
1924 struct tracer_info current_tracer_info
;
1925 bt_logging_level log_level
= ctf_fs
->log_level
;
1927 ret
= extract_tracer_info(ctf_fs
->trace
, ¤t_tracer_info
);
1930 * A trace may not have all the necessary environment
1931 * entries to do the tracer version comparison.
1932 * At least, the tracer name and major version number
1933 * are needed. Failing to extract these entries is not
1937 BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions.");
1941 /* Check if the trace may be affected by old tracer bugs. */
1942 if (is_tracer_affected_by_lttng_event_after_packet_bug(
1943 ¤t_tracer_info
)) {
1944 BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up.");
1945 ret
= fix_index_lttng_event_after_packet_bug(ctf_fs
->trace
);
1947 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1948 "Failed to fix LTTng event-after-packet bug.");
1951 ctf_fs
->trace
->metadata
->tc
->quirks
.lttng_event_after_packet
= true;
1954 if (is_tracer_affected_by_barectf_event_before_packet_bug(
1955 ¤t_tracer_info
)) {
1956 BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up.");
1957 ret
= fix_index_barectf_event_before_packet_bug(ctf_fs
->trace
);
1959 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1960 "Failed to fix barectf event-before-packet bug.");
1963 ctf_fs
->trace
->metadata
->tc
->quirks
.barectf_event_before_packet
= true;
1966 if (is_tracer_affected_by_lttng_crash_quirk(
1967 ¤t_tracer_info
)) {
1968 ret
= fix_index_lttng_crash_quirk(ctf_fs
->trace
);
1970 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1971 "Failed to fix lttng-crash timestamp quirks.");
1974 ctf_fs
->trace
->metadata
->tc
->quirks
.lttng_crash
= true;
1982 gint
compare_ds_file_groups_by_first_path(gconstpointer a
, gconstpointer b
)
1984 struct ctf_fs_ds_file_group
* const *ds_file_group_a
= a
;
1985 struct ctf_fs_ds_file_group
* const *ds_file_group_b
= b
;
1986 const struct ctf_fs_ds_file_info
*first_ds_file_info_a
;
1987 const struct ctf_fs_ds_file_info
*first_ds_file_info_b
;
1989 BT_ASSERT((*ds_file_group_a
)->ds_file_infos
->len
> 0);
1990 BT_ASSERT((*ds_file_group_b
)->ds_file_infos
->len
> 0);
1991 first_ds_file_info_a
= (*ds_file_group_a
)->ds_file_infos
->pdata
[0];
1992 first_ds_file_info_b
= (*ds_file_group_b
)->ds_file_infos
->pdata
[0];
1993 return strcmp(first_ds_file_info_a
->path
->str
,
1994 first_ds_file_info_b
->path
->str
);
1997 int ctf_fs_component_create_ctf_fs_trace(
1998 struct ctf_fs_component
*ctf_fs
,
1999 const bt_value
*paths_value
,
2000 const bt_value
*trace_name_value
,
2001 bt_self_component
*self_comp
,
2002 bt_self_component_class
*self_comp_class
)
2006 bt_logging_level log_level
= ctf_fs
->log_level
;
2008 const char *trace_name
;
2010 BT_ASSERT(bt_value_get_type(paths_value
) == BT_VALUE_TYPE_ARRAY
);
2011 BT_ASSERT(!bt_value_array_is_empty(paths_value
));
2013 traces
= g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier
);
2015 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2016 "Failed to allocate a GPtrArray.");
2020 trace_name
= trace_name_value
? bt_value_string_get(trace_name_value
) : NULL
;
2022 /* Start by creating a separate ctf_fs_trace object for each path. */
2023 for (i
= 0; i
< bt_value_array_get_length(paths_value
); i
++) {
2024 const bt_value
*path_value
= bt_value_array_borrow_element_by_index_const(paths_value
, i
);
2025 const char *input
= bt_value_string_get(path_value
);
2027 ret
= ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs
,
2028 input
, trace_name
, traces
, self_comp
, self_comp_class
);
2034 if (traces
->len
> 1) {
2035 struct ctf_fs_trace
*first_trace
= (struct ctf_fs_trace
*) traces
->pdata
[0];
2036 const uint8_t *first_trace_uuid
= first_trace
->metadata
->tc
->uuid
;
2037 struct ctf_fs_trace
*trace
;
2040 * We have more than one trace, they must all share the same
2041 * UUID, verify that.
2043 for (i
= 0; i
< traces
->len
; i
++) {
2044 struct ctf_fs_trace
*this_trace
=
2045 (struct ctf_fs_trace
*) traces
->pdata
[i
];
2046 const uint8_t *this_trace_uuid
= this_trace
->metadata
->tc
->uuid
;
2048 if (!this_trace
->metadata
->tc
->is_uuid_set
) {
2049 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2050 "Multiple traces given, but a trace does not have a UUID: path=%s",
2051 this_trace
->path
->str
);
2055 if (bt_uuid_compare(first_trace_uuid
, this_trace_uuid
) != 0) {
2056 char first_trace_uuid_str
[BT_UUID_STR_LEN
+ 1];
2057 char this_trace_uuid_str
[BT_UUID_STR_LEN
+ 1];
2059 bt_uuid_to_str(first_trace_uuid
, first_trace_uuid_str
);
2060 bt_uuid_to_str(this_trace_uuid
, this_trace_uuid_str
);
2062 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2063 "Multiple traces given, but UUIDs don't match: "
2064 "first-trace-uuid=%s, first-trace-path=%s, "
2065 "trace-uuid=%s, trace-path=%s",
2066 first_trace_uuid_str
, first_trace
->path
->str
,
2067 this_trace_uuid_str
, this_trace
->path
->str
);
2072 ret
= merge_ctf_fs_traces((struct ctf_fs_trace
**) traces
->pdata
,
2073 traces
->len
, &trace
);
2075 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2076 "Failed to merge traces with the same UUID.");
2080 ctf_fs
->trace
= trace
;
2082 /* Just one trace, it may or may not have a UUID, both are fine. */
2083 ctf_fs
->trace
= traces
->pdata
[0];
2084 traces
->pdata
[0] = NULL
;
2087 ret
= fix_packet_index_tracer_bugs(ctf_fs
, self_comp
);
2089 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2090 "Failed to fix packet index tracer bugs.");
2094 * Sort data stream file groups by first data stream file info
2095 * path to get a deterministic order. This order influences the
2096 * order of the output ports. It also influences the order of
2097 * the automatic stream IDs if the trace's packet headers do not
2098 * contain a `stream_instance_id` field, in which case the data
2099 * stream file to stream ID association is always the same,
2100 * whatever the build and the system.
2102 * Having a deterministic order here can help debugging and
2105 g_ptr_array_sort(ctf_fs
->trace
->ds_file_groups
,
2106 compare_ds_file_groups_by_first_path
);
2112 g_ptr_array_free(traces
, TRUE
);
2117 GString
*get_stream_instance_unique_name(
2118 struct ctf_fs_ds_file_group
*ds_file_group
)
2121 struct ctf_fs_ds_file_info
*ds_file_info
;
2123 name
= g_string_new(NULL
);
2129 * If there's more than one stream file in the stream file
2130 * group, the first (earliest) stream file's path is used as
2131 * the stream's unique name.
2133 BT_ASSERT(ds_file_group
->ds_file_infos
->len
> 0);
2134 ds_file_info
= g_ptr_array_index(ds_file_group
->ds_file_infos
, 0);
2135 g_string_assign(name
, ds_file_info
->path
->str
);
2141 /* Create the IR stream objects for ctf_fs_trace. */
2144 int create_streams_for_trace(struct ctf_fs_trace
*ctf_fs_trace
)
2147 GString
*name
= NULL
;
2149 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
2150 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
2152 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
2153 struct ctf_fs_ds_file_group
*ds_file_group
=
2154 g_ptr_array_index(ctf_fs_trace
->ds_file_groups
, i
);
2155 name
= get_stream_instance_unique_name(ds_file_group
);
2161 if (ds_file_group
->sc
->ir_sc
) {
2162 BT_ASSERT(ctf_fs_trace
->trace
);
2164 if (ds_file_group
->stream_id
== UINT64_C(-1)) {
2165 /* No stream ID: use 0 */
2166 ds_file_group
->stream
= bt_stream_create_with_id(
2167 ds_file_group
->sc
->ir_sc
,
2168 ctf_fs_trace
->trace
,
2169 ctf_fs_trace
->next_stream_id
);
2170 ctf_fs_trace
->next_stream_id
++;
2172 /* Specific stream ID */
2173 ds_file_group
->stream
= bt_stream_create_with_id(
2174 ds_file_group
->sc
->ir_sc
,
2175 ctf_fs_trace
->trace
,
2176 (uint64_t) ds_file_group
->stream_id
);
2179 ds_file_group
->stream
= NULL
;
2182 if (!ds_file_group
->stream
) {
2183 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
2184 "Cannot create stream for DS file group: "
2185 "addr=%p, stream-name=\"%s\"",
2186 ds_file_group
, name
->str
);
2190 ret
= bt_stream_set_name(ds_file_group
->stream
,
2193 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot set stream's name: "
2194 "addr=%p, stream-name=\"%s\"",
2195 ds_file_group
->stream
, name
->str
);
2199 g_string_free(name
, TRUE
);
2212 g_string_free(name
, TRUE
);
2218 * Validate the "paths" parameter passed to this component. It must be
2219 * present, and it must be an array of strings.
2223 bool validate_inputs_parameter(struct ctf_fs_component
*ctf_fs
,
2224 const bt_value
*inputs
, bt_self_component
*self_comp
,
2225 bt_self_component_class
*self_comp_class
)
2230 bt_logging_level log_level
= ctf_fs
->log_level
;
2233 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
,
2234 self_comp_class
, "missing \"inputs\" parameter");
2238 type
= bt_value_get_type(inputs
);
2239 if (type
!= BT_VALUE_TYPE_ARRAY
) {
2240 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
,
2241 self_comp_class
, "`inputs` parameter: expecting array value: type=%s",
2242 bt_common_value_type_string(type
));
2246 if (bt_value_array_is_empty(inputs
)) {
2247 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
,
2248 self_comp_class
, "`inputs` parameter must not be empty");
2252 for (i
= 0; i
< bt_value_array_get_length(inputs
); i
++) {
2253 const bt_value
*elem
;
2255 elem
= bt_value_array_borrow_element_by_index_const(inputs
, i
);
2256 type
= bt_value_get_type(elem
);
2257 if (type
!= BT_VALUE_TYPE_STRING
) {
2258 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2259 "`inputs` parameter: expecting string value: index=%" PRIu64
", type=%s",
2260 i
, bt_common_value_type_string(type
));
2275 bool read_src_fs_parameters(const bt_value
*params
,
2276 const bt_value
**inputs
,
2277 const bt_value
**trace_name
,
2278 struct ctf_fs_component
*ctf_fs
,
2279 bt_self_component
*self_comp
,
2280 bt_self_component_class
*self_comp_class
) {
2282 const bt_value
*value
;
2283 bt_logging_level log_level
= ctf_fs
->log_level
;
2285 /* inputs parameter */
2286 *inputs
= bt_value_map_borrow_entry_value_const(params
, "inputs");
2287 if (!validate_inputs_parameter(ctf_fs
, *inputs
, self_comp
, self_comp_class
)) {
2291 /* clock-class-offset-s parameter */
2292 value
= bt_value_map_borrow_entry_value_const(params
,
2293 "clock-class-offset-s");
2295 if (!bt_value_is_signed_integer(value
)) {
2296 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2297 "clock-class-offset-s must be an integer");
2300 ctf_fs
->metadata_config
.clock_class_offset_s
=
2301 bt_value_integer_signed_get(value
);
2304 /* clock-class-offset-ns parameter */
2305 value
= bt_value_map_borrow_entry_value_const(params
,
2306 "clock-class-offset-ns");
2308 if (!bt_value_is_signed_integer(value
)) {
2309 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2310 "clock-class-offset-ns must be an integer");
2313 ctf_fs
->metadata_config
.clock_class_offset_ns
=
2314 bt_value_integer_signed_get(value
);
2317 /* force-clock-class-origin-unix-epoch parameter */
2318 value
= bt_value_map_borrow_entry_value_const(params
,
2319 "force-clock-class-origin-unix-epoch");
2321 if (!bt_value_is_bool(value
)) {
2322 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2323 "force-clock-class-origin-unix-epoch must be a boolean");
2327 ctf_fs
->metadata_config
.force_clock_class_origin_unix_epoch
=
2328 bt_value_bool_get(value
);
2331 /* trace-name parameter */
2332 *trace_name
= bt_value_map_borrow_entry_value_const(params
, "trace-name");
2334 if (!bt_value_is_string(*trace_name
)) {
2335 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2336 "trace-name must be a string");
2352 struct ctf_fs_component
*ctf_fs_create(
2353 const bt_value
*params
,
2354 bt_self_component_source
*self_comp_src
,
2355 bt_self_component_class
*self_comp_class
)
2357 struct ctf_fs_component
*ctf_fs
= NULL
;
2358 const bt_value
*inputs_value
;
2359 const bt_value
*trace_name_value
;
2360 bt_self_component
*self_comp
=
2361 bt_self_component_source_as_self_component(self_comp_src
);
2363 ctf_fs
= ctf_fs_component_create(bt_component_get_logging_level(
2364 bt_self_component_as_component(self_comp
)), self_comp
);
2369 if (!read_src_fs_parameters(params
, &inputs_value
, &trace_name_value
,
2370 ctf_fs
, self_comp
, self_comp_class
)) {
2374 bt_self_component_set_data(self_comp
, ctf_fs
);
2376 if (ctf_fs_component_create_ctf_fs_trace(ctf_fs
, inputs_value
,
2377 trace_name_value
, self_comp
, self_comp_class
)) {
2381 if (create_streams_for_trace(ctf_fs
->trace
)) {
2385 if (create_ports_for_trace(ctf_fs
, ctf_fs
->trace
, self_comp_src
)) {
2392 ctf_fs_destroy(ctf_fs
);
2394 bt_self_component_set_data(self_comp
, NULL
);
2401 bt_component_class_initialize_method_status
ctf_fs_init(
2402 bt_self_component_source
*self_comp_src
,
2403 bt_self_component_source_configuration
*config
,
2404 const bt_value
*params
, __attribute__((unused
)) void *init_method_data
)
2406 struct ctf_fs_component
*ctf_fs
;
2407 bt_component_class_initialize_method_status ret
=
2408 BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK
;
2410 ctf_fs
= ctf_fs_create(params
, self_comp_src
, NULL
);
2412 ret
= BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR
;
2419 bt_component_class_query_method_status
ctf_fs_query(
2420 bt_self_component_class_source
*comp_class
,
2421 bt_private_query_executor
*priv_query_exec
,
2422 const char *object
, const bt_value
*params
,
2423 __attribute__((unused
)) void *method_data
,
2424 const bt_value
**result
)
2426 bt_component_class_query_method_status status
=
2427 BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK
;
2428 bt_logging_level log_level
= bt_query_executor_get_logging_level(
2429 bt_private_query_executor_as_query_executor_const(
2432 if (strcmp(object
, "metadata-info") == 0) {
2433 status
= metadata_info_query(comp_class
, params
, log_level
,
2435 } else if (strcmp(object
, "babeltrace.trace-infos") == 0) {
2436 status
= trace_infos_query(comp_class
, params
, log_level
,
2438 } else if (!strcmp(object
, "babeltrace.support-info")) {
2439 status
= support_info_query(comp_class
, params
, log_level
, result
);
2441 BT_LOGE("Unknown query object `%s`", object
);
2442 status
= BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT
;