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
;
296 bt_self_message_iterator_set_data(self_msg_iter
,
298 if (ret
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK
) {
302 msg_iter_data
= NULL
;
306 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
309 ctf_fs_msg_iter_data_destroy(msg_iter_data
);
314 void ctf_fs_trace_destroy(struct ctf_fs_trace
*ctf_fs_trace
)
320 if (ctf_fs_trace
->ds_file_groups
) {
321 g_ptr_array_free(ctf_fs_trace
->ds_file_groups
, TRUE
);
324 BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace
->trace
);
326 if (ctf_fs_trace
->path
) {
327 g_string_free(ctf_fs_trace
->path
, TRUE
);
330 if (ctf_fs_trace
->metadata
) {
331 ctf_fs_metadata_fini(ctf_fs_trace
->metadata
);
332 g_free(ctf_fs_trace
->metadata
);
335 g_free(ctf_fs_trace
);
339 void ctf_fs_destroy(struct ctf_fs_component
*ctf_fs
)
345 ctf_fs_trace_destroy(ctf_fs
->trace
);
347 if (ctf_fs
->port_data
) {
348 g_ptr_array_free(ctf_fs
->port_data
, TRUE
);
355 void port_data_destroy(struct ctf_fs_port_data
*port_data
)
365 void port_data_destroy_notifier(void *data
) {
366 port_data_destroy(data
);
370 void ctf_fs_trace_destroy_notifier(void *data
)
372 struct ctf_fs_trace
*trace
= data
;
373 ctf_fs_trace_destroy(trace
);
376 struct ctf_fs_component
*ctf_fs_component_create(bt_logging_level log_level
,
377 bt_self_component
*self_comp
)
379 struct ctf_fs_component
*ctf_fs
;
381 ctf_fs
= g_new0(struct ctf_fs_component
, 1);
386 ctf_fs
->log_level
= log_level
;
388 g_ptr_array_new_with_free_func(port_data_destroy_notifier
);
389 if (!ctf_fs
->port_data
) {
396 ctf_fs_destroy(ctf_fs
);
403 void ctf_fs_finalize(bt_self_component_source
*component
)
405 ctf_fs_destroy(bt_self_component_get_data(
406 bt_self_component_source_as_self_component(component
)));
409 gchar
*ctf_fs_make_port_name(struct ctf_fs_ds_file_group
*ds_file_group
)
411 GString
*name
= g_string_new(NULL
);
414 * The unique port name is generated by concatenating unique identifiers
422 /* For the trace, use the uuid if present, else the path. */
423 if (ds_file_group
->ctf_fs_trace
->metadata
->tc
->is_uuid_set
) {
424 char uuid_str
[BT_UUID_STR_LEN
+ 1];
426 bt_uuid_to_str(ds_file_group
->ctf_fs_trace
->metadata
->tc
->uuid
, uuid_str
);
427 g_string_assign(name
, uuid_str
);
429 g_string_assign(name
, ds_file_group
->ctf_fs_trace
->path
->str
);
433 * For the stream class, use the id if present. We can omit this field
434 * otherwise, as there will only be a single stream class.
436 if (ds_file_group
->sc
->id
!= UINT64_C(-1)) {
437 g_string_append_printf(name
, " | %" PRIu64
, ds_file_group
->sc
->id
);
440 /* For the stream, use the id if present, else, use the path. */
441 if (ds_file_group
->stream_id
!= UINT64_C(-1)) {
442 g_string_append_printf(name
, " | %" PRIu64
, ds_file_group
->stream_id
);
444 BT_ASSERT(ds_file_group
->ds_file_infos
->len
== 1);
445 struct ctf_fs_ds_file_info
*ds_file_info
=
446 g_ptr_array_index(ds_file_group
->ds_file_infos
, 0);
447 g_string_append_printf(name
, " | %s", ds_file_info
->path
->str
);
450 return g_string_free(name
, FALSE
);
454 int create_one_port_for_trace(struct ctf_fs_component
*ctf_fs
,
455 struct ctf_fs_trace
*ctf_fs_trace
,
456 struct ctf_fs_ds_file_group
*ds_file_group
,
457 bt_self_component_source
*self_comp_src
)
460 struct ctf_fs_port_data
*port_data
= NULL
;
462 bt_logging_level log_level
= ctf_fs
->log_level
;
463 bt_self_component
*self_comp
=
464 bt_self_component_source_as_self_component(self_comp_src
);
466 port_name
= ctf_fs_make_port_name(ds_file_group
);
471 BT_COMP_LOGI("Creating one port named `%s`", port_name
);
473 /* Create output port for this file */
474 port_data
= g_new0(struct ctf_fs_port_data
, 1);
479 port_data
->ctf_fs
= ctf_fs
;
480 port_data
->ds_file_group
= ds_file_group
;
481 ret
= bt_self_component_source_add_output_port(
482 self_comp_src
, port_name
, port_data
, NULL
);
487 g_ptr_array_add(ctf_fs
->port_data
, port_data
);
497 port_data_destroy(port_data
);
502 int create_ports_for_trace(struct ctf_fs_component
*ctf_fs
,
503 struct ctf_fs_trace
*ctf_fs_trace
,
504 bt_self_component_source
*self_comp_src
)
508 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
509 bt_self_component
*self_comp
=
510 bt_self_component_source_as_self_component(self_comp_src
);
512 /* Create one output port for each stream file group */
513 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
514 struct ctf_fs_ds_file_group
*ds_file_group
=
515 g_ptr_array_index(ctf_fs_trace
->ds_file_groups
, i
);
517 ret
= create_one_port_for_trace(ctf_fs
, ctf_fs_trace
,
518 ds_file_group
, self_comp_src
);
520 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot create output port.");
530 void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info
*ds_file_info
)
536 if (ds_file_info
->path
) {
537 g_string_free(ds_file_info
->path
, TRUE
);
540 g_free(ds_file_info
);
544 struct ctf_fs_ds_file_info
*ctf_fs_ds_file_info_create(const char *path
,
547 struct ctf_fs_ds_file_info
*ds_file_info
;
549 ds_file_info
= g_new0(struct ctf_fs_ds_file_info
, 1);
554 ds_file_info
->path
= g_string_new(path
);
555 if (!ds_file_info
->path
) {
556 ctf_fs_ds_file_info_destroy(ds_file_info
);
561 ds_file_info
->begin_ns
= begin_ns
;
568 void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group
*ds_file_group
)
570 if (!ds_file_group
) {
574 if (ds_file_group
->ds_file_infos
) {
575 g_ptr_array_free(ds_file_group
->ds_file_infos
, TRUE
);
578 if (ds_file_group
->index
) {
579 if (ds_file_group
->index
->entries
) {
580 g_ptr_array_free(ds_file_group
->index
->entries
, TRUE
);
582 g_free(ds_file_group
->index
);
585 bt_stream_put_ref(ds_file_group
->stream
);
586 g_free(ds_file_group
);
590 struct ctf_fs_ds_file_group
*ctf_fs_ds_file_group_create(
591 struct ctf_fs_trace
*ctf_fs_trace
,
592 struct ctf_stream_class
*sc
,
593 uint64_t stream_instance_id
,
594 struct ctf_fs_ds_index
*index
)
596 struct ctf_fs_ds_file_group
*ds_file_group
;
598 ds_file_group
= g_new0(struct ctf_fs_ds_file_group
, 1);
599 if (!ds_file_group
) {
603 ds_file_group
->ds_file_infos
= g_ptr_array_new_with_free_func(
604 (GDestroyNotify
) ctf_fs_ds_file_info_destroy
);
605 if (!ds_file_group
->ds_file_infos
) {
609 ds_file_group
->index
= index
;
611 ds_file_group
->stream_id
= stream_instance_id
;
613 ds_file_group
->sc
= sc
;
614 ds_file_group
->ctf_fs_trace
= ctf_fs_trace
;
618 ctf_fs_ds_file_group_destroy(ds_file_group
);
619 ctf_fs_ds_index_destroy(index
);
620 ds_file_group
= NULL
;
623 return ds_file_group
;
626 /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */
628 void array_insert(GPtrArray
*array
, gpointer element
, size_t pos
)
630 size_t original_array_len
= array
->len
;
632 /* Allocate an unused element at the end of the array. */
633 g_ptr_array_add(array
, NULL
);
635 /* If we are not inserting at the end, move the elements by one. */
636 if (pos
< original_array_len
) {
637 memmove(&(array
->pdata
[pos
+ 1]),
638 &(array
->pdata
[pos
]),
639 (original_array_len
- pos
) * sizeof(gpointer
));
642 /* Insert the value. */
643 array
->pdata
[pos
] = element
;
647 * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right
648 * place to keep it sorted.
652 void ds_file_group_insert_ds_file_info_sorted(
653 struct ctf_fs_ds_file_group
*ds_file_group
,
654 struct ctf_fs_ds_file_info
*ds_file_info
)
658 /* Find the spot where to insert this ds_file_info. */
659 for (i
= 0; i
< ds_file_group
->ds_file_infos
->len
; i
++) {
660 struct ctf_fs_ds_file_info
*other_ds_file_info
=
661 g_ptr_array_index(ds_file_group
->ds_file_infos
, i
);
663 if (ds_file_info
->begin_ns
< other_ds_file_info
->begin_ns
) {
668 array_insert(ds_file_group
->ds_file_infos
, ds_file_info
, i
);
672 void ds_file_group_insert_ds_index_entry_sorted(
673 struct ctf_fs_ds_file_group
*ds_file_group
,
674 struct ctf_fs_ds_index_entry
*entry
)
678 /* Find the spot where to insert this index entry. */
679 for (i
= 0; i
< ds_file_group
->index
->entries
->len
; i
++) {
680 struct ctf_fs_ds_index_entry
*other_entry
= g_ptr_array_index(
681 ds_file_group
->index
->entries
, i
);
683 if (entry
->timestamp_begin_ns
< other_entry
->timestamp_begin_ns
) {
688 array_insert(ds_file_group
->index
->entries
, entry
, i
);
692 int add_ds_file_to_ds_file_group(struct ctf_fs_trace
*ctf_fs_trace
,
695 int64_t stream_instance_id
= -1;
696 int64_t begin_ns
= -1;
697 struct ctf_fs_ds_file_group
*ds_file_group
= NULL
;
698 bool add_group
= false;
701 struct ctf_fs_ds_file
*ds_file
= NULL
;
702 struct ctf_fs_ds_file_info
*ds_file_info
= NULL
;
703 struct ctf_fs_ds_index
*index
= NULL
;
704 struct bt_msg_iter
*msg_iter
= NULL
;
705 struct ctf_stream_class
*sc
= NULL
;
706 struct bt_msg_iter_packet_properties props
;
707 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
708 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
710 msg_iter
= bt_msg_iter_create(ctf_fs_trace
->metadata
->tc
,
711 bt_common_get_page_size(log_level
) * 8,
712 ctf_fs_ds_file_medops
, NULL
, log_level
, self_comp
);
714 BT_COMP_LOGE_STR("Cannot create a CTF message iterator.");
718 ds_file
= ctf_fs_ds_file_create(ctf_fs_trace
, NULL
, msg_iter
,
719 NULL
, path
, log_level
);
724 ret
= bt_msg_iter_get_packet_properties(ds_file
->msg_iter
, &props
);
726 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
727 "Cannot get stream file's first packet's header and context fields (`%s`).",
732 sc
= ctf_trace_class_borrow_stream_class_by_id(ds_file
->metadata
->tc
,
733 props
.stream_class_id
);
735 stream_instance_id
= props
.data_stream_id
;
737 if (props
.snapshots
.beginning_clock
!= UINT64_C(-1)) {
738 BT_ASSERT(sc
->default_clock_class
);
739 ret
= bt_util_clock_cycles_to_ns_from_origin(
740 props
.snapshots
.beginning_clock
,
741 sc
->default_clock_class
->frequency
,
742 sc
->default_clock_class
->offset_seconds
,
743 sc
->default_clock_class
->offset_cycles
, &begin_ns
);
745 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
746 "Cannot convert clock cycles to nanoseconds from origin (`%s`).",
752 ds_file_info
= ctf_fs_ds_file_info_create(path
, begin_ns
);
757 index
= ctf_fs_ds_file_build_index(ds_file
, ds_file_info
);
759 BT_COMP_LOGW("Failed to index CTF stream file \'%s\'",
760 ds_file
->file
->path
->str
);
763 if (begin_ns
== -1) {
765 * No beggining timestamp to sort the stream files
766 * within a stream file group, so consider that this
767 * file must be the only one within its group.
769 stream_instance_id
= -1;
772 if (stream_instance_id
== -1) {
774 * No stream instance ID or no beginning timestamp:
775 * create a unique stream file group for this stream
776 * file because, even if there's a stream instance ID,
777 * there's no timestamp to order the file within its
780 ds_file_group
= ctf_fs_ds_file_group_create(ctf_fs_trace
,
781 sc
, UINT64_C(-1), index
);
782 /* Ownership of index is transferred. */
785 if (!ds_file_group
) {
789 ds_file_group_insert_ds_file_info_sorted(ds_file_group
, ds_file_info
);
795 BT_ASSERT(stream_instance_id
!= -1);
796 BT_ASSERT(begin_ns
!= -1);
798 /* Find an existing stream file group with this ID */
799 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
800 ds_file_group
= g_ptr_array_index(
801 ctf_fs_trace
->ds_file_groups
, i
);
803 if (ds_file_group
->sc
== sc
&&
804 ds_file_group
->stream_id
==
805 stream_instance_id
) {
809 ds_file_group
= NULL
;
812 if (!ds_file_group
) {
813 ds_file_group
= ctf_fs_ds_file_group_create(ctf_fs_trace
,
814 sc
, stream_instance_id
, index
);
815 /* Ownership of index is transferred. */
817 if (!ds_file_group
) {
824 ds_file_group_insert_ds_file_info_sorted(ds_file_group
, ds_file_info
);
829 ctf_fs_ds_file_group_destroy(ds_file_group
);
830 ds_file_group
= NULL
;
834 if (add_group
&& ds_file_group
) {
835 g_ptr_array_add(ctf_fs_trace
->ds_file_groups
, ds_file_group
);
838 ctf_fs_ds_file_destroy(ds_file
);
841 bt_msg_iter_destroy(msg_iter
);
844 ctf_fs_ds_index_destroy(index
);
849 int create_ds_file_groups(struct ctf_fs_trace
*ctf_fs_trace
)
852 const char *basename
;
853 GError
*error
= NULL
;
855 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
856 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
858 /* Check each file in the path directory, except specific ones */
859 dir
= g_dir_open(ctf_fs_trace
->path
->str
, 0, &error
);
861 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot open directory `%s`: %s (code %d)",
862 ctf_fs_trace
->path
->str
, error
->message
,
867 while ((basename
= g_dir_read_name(dir
))) {
868 struct ctf_fs_file
*file
;
870 if (strcmp(basename
, CTF_FS_METADATA_FILENAME
) == 0) {
871 /* Ignore the metadata stream. */
872 BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S
"%s`",
873 ctf_fs_trace
->path
->str
, basename
);
877 if (basename
[0] == '.') {
878 BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S
"%s`",
879 ctf_fs_trace
->path
->str
, basename
);
883 /* Create the file. */
884 file
= ctf_fs_file_create(log_level
, self_comp
);
886 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
887 "Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S
"%s`",
888 ctf_fs_trace
->path
->str
, basename
);
892 /* Create full path string. */
893 g_string_append_printf(file
->path
, "%s" G_DIR_SEPARATOR_S
"%s",
894 ctf_fs_trace
->path
->str
, basename
);
895 if (!g_file_test(file
->path
->str
, G_FILE_TEST_IS_REGULAR
)) {
896 BT_COMP_LOGI("Ignoring non-regular file `%s`",
898 ctf_fs_file_destroy(file
);
903 ret
= ctf_fs_file_open(file
, "rb");
905 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot open stream file `%s`",
910 if (file
->size
== 0) {
911 /* Skip empty stream. */
912 BT_COMP_LOGI("Ignoring empty file `%s`", file
->path
->str
);
913 ctf_fs_file_destroy(file
);
917 ret
= add_ds_file_to_ds_file_group(ctf_fs_trace
,
920 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
921 "Cannot add stream file `%s` to stream file group",
923 ctf_fs_file_destroy(file
);
927 ctf_fs_file_destroy(file
);
949 int set_trace_name(bt_trace
*trace
, const char *name_suffix
,
950 bt_logging_level log_level
, bt_self_component
*self_comp
)
956 name
= g_string_new(NULL
);
958 BT_COMP_LOGE_STR("Failed to allocate a GString.");
964 * Check if we have a trace environment string value named `hostname`.
965 * If so, use it as the trace name's prefix.
967 val
= bt_trace_borrow_environment_entry_value_by_name_const(
969 if (val
&& bt_value_is_string(val
)) {
970 g_string_append(name
, bt_value_string_get(val
));
973 g_string_append_c(name
, G_DIR_SEPARATOR
);
978 g_string_append(name
, name_suffix
);
981 ret
= bt_trace_set_name(trace
, name
->str
);
990 g_string_free(name
, TRUE
);
997 struct ctf_fs_trace
*ctf_fs_trace_create(bt_self_component
*self_comp
,
998 const char *path
, const char *name
,
999 struct ctf_fs_metadata_config
*metadata_config
,
1000 bt_logging_level log_level
)
1002 struct ctf_fs_trace
*ctf_fs_trace
;
1005 ctf_fs_trace
= g_new0(struct ctf_fs_trace
, 1);
1006 if (!ctf_fs_trace
) {
1010 ctf_fs_trace
->log_level
= log_level
;
1011 ctf_fs_trace
->self_comp
= self_comp
;
1012 ctf_fs_trace
->path
= g_string_new(path
);
1013 if (!ctf_fs_trace
->path
) {
1017 ctf_fs_trace
->metadata
= g_new0(struct ctf_fs_metadata
, 1);
1018 if (!ctf_fs_trace
->metadata
) {
1022 ctf_fs_metadata_init(ctf_fs_trace
->metadata
);
1023 ctf_fs_trace
->ds_file_groups
= g_ptr_array_new_with_free_func(
1024 (GDestroyNotify
) ctf_fs_ds_file_group_destroy
);
1025 if (!ctf_fs_trace
->ds_file_groups
) {
1029 ret
= ctf_fs_metadata_set_trace_class(self_comp
, ctf_fs_trace
,
1035 if (ctf_fs_trace
->metadata
->trace_class
) {
1036 ctf_fs_trace
->trace
=
1037 bt_trace_create(ctf_fs_trace
->metadata
->trace_class
);
1038 if (!ctf_fs_trace
->trace
) {
1043 if (ctf_fs_trace
->trace
) {
1044 ret
= ctf_trace_class_configure_ir_trace(
1045 ctf_fs_trace
->metadata
->tc
, ctf_fs_trace
->trace
);
1050 ret
= set_trace_name(ctf_fs_trace
->trace
, name
, log_level
,
1057 ret
= create_ds_file_groups(ctf_fs_trace
);
1065 ctf_fs_trace_destroy(ctf_fs_trace
);
1066 ctf_fs_trace
= NULL
;
1069 return ctf_fs_trace
;
1073 int path_is_ctf_trace(const char *path
)
1075 GString
*metadata_path
= g_string_new(NULL
);
1078 if (!metadata_path
) {
1083 g_string_printf(metadata_path
, "%s" G_DIR_SEPARATOR_S
"%s", path
, CTF_FS_METADATA_FILENAME
);
1085 if (g_file_test(metadata_path
->str
, G_FILE_TEST_IS_REGULAR
)) {
1091 g_string_free(metadata_path
, TRUE
);
1095 /* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */
1098 int ctf_fs_component_create_ctf_fs_trace_one_path(
1099 struct ctf_fs_component
*ctf_fs
,
1100 const char *path_param
,
1101 const char *trace_name
,
1103 bt_self_component
*self_comp
,
1104 bt_self_component_class
*self_comp_class
)
1106 struct ctf_fs_trace
*ctf_fs_trace
;
1109 bt_logging_level log_level
= ctf_fs
->log_level
;
1111 norm_path
= bt_common_normalize_path(path_param
, NULL
);
1113 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1114 "Failed to normalize path: `%s`.", path_param
);
1118 ret
= path_is_ctf_trace(norm_path
->str
);
1120 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1121 "Failed to check if path is a CTF trace: path=%s", norm_path
->str
);
1123 } else if (ret
== 0) {
1124 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1125 "Path is not a CTF trace (does not contain a metadata file): `%s`.", norm_path
->str
);
1129 // FIXME: Remove or ifdef for __MINGW32__
1130 if (strcmp(norm_path
->str
, "/") == 0) {
1131 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
1132 "Opening a trace in `/` is not supported.");
1137 ctf_fs_trace
= ctf_fs_trace_create(self_comp
, norm_path
->str
,
1138 trace_name
, &ctf_fs
->metadata_config
, log_level
);
1139 if (!ctf_fs_trace
) {
1140 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot create trace for `%s`.",
1145 g_ptr_array_add(traces
, ctf_fs_trace
);
1146 ctf_fs_trace
= NULL
;
1156 g_string_free(norm_path
, TRUE
);
1163 * Count the number of stream and event classes defined by this trace's metadata.
1165 * This is used to determine which metadata is the "latest", out of multiple
1166 * traces sharing the same UUID. It is assumed that amongst all these metadatas,
1167 * a bigger metadata is a superset of a smaller metadata. Therefore, it is
1168 * enough to just count the classes.
1172 unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace
*trace
)
1174 unsigned int num
= trace
->metadata
->tc
->stream_classes
->len
;
1177 for (i
= 0; i
< trace
->metadata
->tc
->stream_classes
->len
; i
++) {
1178 struct ctf_stream_class
*sc
= trace
->metadata
->tc
->stream_classes
->pdata
[i
];
1179 num
+= sc
->event_classes
->len
;
1186 * Merge the src ds_file_group into dest. This consists of merging their
1187 * ds_file_infos, making sure to keep the result sorted.
1191 void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group
*dest
, struct ctf_fs_ds_file_group
*src
)
1195 for (i
= 0; i
< src
->ds_file_infos
->len
; i
++) {
1196 struct ctf_fs_ds_file_info
*ds_file_info
=
1197 g_ptr_array_index(src
->ds_file_infos
, i
);
1199 /* Ownership of the ds_file_info is transferred to dest. */
1200 g_ptr_array_index(src
->ds_file_infos
, i
) = NULL
;
1202 ds_file_group_insert_ds_file_info_sorted(dest
, ds_file_info
);
1205 /* Merge both indexes. */
1206 for (i
= 0; i
< src
->index
->entries
->len
; i
++) {
1207 struct ctf_fs_ds_index_entry
*entry
= g_ptr_array_index(
1208 src
->index
->entries
, i
);
1211 * Ownership of the ctf_fs_ds_index_entry is transferred to
1214 g_ptr_array_index(src
->index
->entries
, i
) = NULL
;
1216 ds_file_group_insert_ds_index_entry_sorted(dest
, entry
);
1219 /* Merge src_trace's data stream file groups into dest_trace's. */
1222 int merge_matching_ctf_fs_ds_file_groups(
1223 struct ctf_fs_trace
*dest_trace
,
1224 struct ctf_fs_trace
*src_trace
)
1227 GPtrArray
*dest
= dest_trace
->ds_file_groups
;
1228 GPtrArray
*src
= src_trace
->ds_file_groups
;
1233 * Save the initial length of dest: we only want to check against the
1234 * original elements in the inner loop.
1236 const guint dest_len
= dest
->len
;
1238 for (s_i
= 0; s_i
< src
->len
; s_i
++) {
1239 struct ctf_fs_ds_file_group
*src_group
= g_ptr_array_index(src
, s_i
);
1240 struct ctf_fs_ds_file_group
*dest_group
= NULL
;
1242 /* A stream instance without ID can't match a stream in the other trace. */
1243 if (src_group
->stream_id
!= -1) {
1246 /* Let's search for a matching ds_file_group in the destination. */
1247 for (d_i
= 0; d_i
< dest_len
; d_i
++) {
1248 struct ctf_fs_ds_file_group
*candidate_dest
= g_ptr_array_index(dest
, d_i
);
1250 /* Can't match a stream instance without ID. */
1251 if (candidate_dest
->stream_id
== -1) {
1256 * If the two groups have the same stream instance id
1257 * and belong to the same stream class (stream instance
1258 * ids are per-stream class), they represent the same
1261 if (candidate_dest
->stream_id
!= src_group
->stream_id
||
1262 candidate_dest
->sc
->id
!= src_group
->sc
->id
) {
1266 dest_group
= candidate_dest
;
1272 * Didn't find a friend in dest to merge our src_group into?
1273 * Create a new empty one. This can happen if a stream was
1274 * active in the source trace chunk but not in the destination
1278 struct ctf_stream_class
*sc
;
1279 struct ctf_fs_ds_index
*index
;
1281 sc
= ctf_trace_class_borrow_stream_class_by_id(
1282 dest_trace
->metadata
->tc
, src_group
->sc
->id
);
1285 index
= ctf_fs_ds_index_create(dest_trace
->log_level
,
1286 dest_trace
->self_comp
);
1292 dest_group
= ctf_fs_ds_file_group_create(dest_trace
, sc
,
1293 src_group
->stream_id
, index
);
1294 /* Ownership of index is transferred. */
1301 g_ptr_array_add(dest_trace
->ds_file_groups
, dest_group
);
1304 BT_ASSERT(dest_group
);
1305 merge_ctf_fs_ds_file_groups(dest_group
, src_group
);
1313 * Collapse the given traces, which must all share the same UUID, in a single
1316 * The trace with the most expansive metadata is chosen and all other traces
1317 * are merged into that one. The array slots of all the traces that get merged
1318 * in the chosen one are set to NULL, so only the slot of the chosen trace
1323 int merge_ctf_fs_traces(struct ctf_fs_trace
**traces
, unsigned int num_traces
,
1324 struct ctf_fs_trace
**out_trace
)
1326 unsigned int winner_count
;
1327 struct ctf_fs_trace
*winner
;
1331 BT_ASSERT(num_traces
>= 2);
1333 winner_count
= metadata_count_stream_and_event_classes(traces
[0]);
1337 /* Find the trace with the largest metadata. */
1338 for (i
= 1; i
< num_traces
; i
++) {
1339 struct ctf_fs_trace
*candidate
;
1340 unsigned int candidate_count
;
1342 candidate
= traces
[i
];
1344 /* A bit of sanity check. */
1345 BT_ASSERT(bt_uuid_compare(winner
->metadata
->tc
->uuid
, candidate
->metadata
->tc
->uuid
) == 0);
1347 candidate_count
= metadata_count_stream_and_event_classes(candidate
);
1349 if (candidate_count
> winner_count
) {
1350 winner_count
= candidate_count
;
1356 /* Merge all the other traces in the winning trace. */
1357 for (i
= 0; i
< num_traces
; i
++) {
1358 struct ctf_fs_trace
*trace
= traces
[i
];
1360 /* Don't merge the winner into itself. */
1361 if (trace
== winner
) {
1365 /* Merge trace's data stream file groups into winner's. */
1366 ret
= merge_matching_ctf_fs_ds_file_groups(winner
, trace
);
1373 * Move the winner out of the array, into `*out_trace`.
1375 *out_trace
= winner
;
1376 traces
[winner_i
] = NULL
;
1388 int decode_clock_snapshot_after_event(struct ctf_fs_trace
*ctf_fs_trace
,
1389 struct ctf_clock_class
*default_cc
,
1390 struct ctf_fs_ds_index_entry
*index_entry
,
1391 enum target_event target_event
, uint64_t *cs
, int64_t *ts_ns
)
1393 enum bt_msg_iter_status iter_status
= BT_MSG_ITER_STATUS_OK
;
1394 struct ctf_fs_ds_file
*ds_file
= NULL
;
1395 struct bt_msg_iter
*msg_iter
= NULL
;
1396 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
1397 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
1400 BT_ASSERT(ctf_fs_trace
);
1401 BT_ASSERT(ctf_fs_trace
->metadata
);
1402 BT_ASSERT(ctf_fs_trace
->metadata
->tc
);
1404 msg_iter
= bt_msg_iter_create(ctf_fs_trace
->metadata
->tc
,
1405 bt_common_get_page_size(log_level
) * 8, ctf_fs_ds_file_medops
,
1406 NULL
, log_level
, self_comp
);
1408 /* bt_msg_iter_create() logs errors. */
1413 BT_ASSERT(index_entry
);
1414 BT_ASSERT(index_entry
->path
);
1416 ds_file
= ctf_fs_ds_file_create(ctf_fs_trace
, NULL
, msg_iter
,
1417 NULL
, index_entry
->path
, log_level
);
1419 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Failed to create a ctf_fs_ds_file");
1425 * Turn on dry run mode to prevent the creation and usage of Babeltrace
1426 * library objects (bt_field, bt_message_*, etc.).
1428 bt_msg_iter_set_dry_run(msg_iter
, true);
1430 /* Seek to the beginning of the target packet. */
1431 iter_status
= bt_msg_iter_seek(ds_file
->msg_iter
, index_entry
->offset
);
1433 /* bt_msg_iter_seek() logs errors. */
1438 switch (target_event
) {
1441 * Start to decode the packet until we reach the end of
1442 * the first event. To extract the first event's clock
1445 iter_status
= bt_msg_iter_curr_packet_first_event_clock_snapshot(
1446 ds_file
->msg_iter
, cs
);
1449 /* Decode the packet to extract the last event's clock snapshot. */
1450 iter_status
= bt_msg_iter_curr_packet_last_event_clock_snapshot(
1451 ds_file
->msg_iter
, cs
);
1461 /* Convert clock snapshot to timestamp. */
1462 ret
= bt_util_clock_cycles_to_ns_from_origin(*cs
,
1463 default_cc
->frequency
, default_cc
->offset_seconds
,
1464 default_cc
->offset_cycles
, ts_ns
);
1466 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1467 "Failed to convert clock snapshot to timestamp");
1473 ctf_fs_ds_file_destroy(ds_file
);
1476 bt_msg_iter_destroy(msg_iter
);
1483 int decode_packet_first_event_timestamp(struct ctf_fs_trace
*ctf_fs_trace
,
1484 struct ctf_clock_class
*default_cc
,
1485 struct ctf_fs_ds_index_entry
*index_entry
, uint64_t *cs
, int64_t *ts_ns
)
1487 return decode_clock_snapshot_after_event(ctf_fs_trace
, default_cc
,
1488 index_entry
, FIRST_EVENT
, cs
, ts_ns
);
1492 int decode_packet_last_event_timestamp(struct ctf_fs_trace
*ctf_fs_trace
,
1493 struct ctf_clock_class
*default_cc
,
1494 struct ctf_fs_ds_index_entry
*index_entry
, uint64_t *cs
, int64_t *ts_ns
)
1496 return decode_clock_snapshot_after_event(ctf_fs_trace
, default_cc
,
1497 index_entry
, LAST_EVENT
, cs
, ts_ns
);
1501 * Fix up packet index entries for lttng's "event-after-packet" bug.
1502 * Some buggy lttng tracer versions may emit events with a timestamp that is
1503 * larger (after) than the timestamp_end of the their packets.
1505 * To fix up this erroneous data we do the following:
1506 * 1. If it's not the stream file's last packet: set the packet index entry's
1507 * end time to the next packet's beginning time.
1508 * 2. If it's the stream file's last packet, set the packet index entry's end
1509 * time to the packet's last event's time, if any, or to the packet's
1510 * beginning time otherwise.
1512 * Known buggy tracer versions:
1513 * - before lttng-ust 2.11.0
1514 * - before lttng-module 2.11.0
1515 * - before lttng-module 2.10.10
1516 * - before lttng-module 2.9.13
1519 int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace
*trace
)
1522 guint ds_file_group_i
;
1523 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1524 bt_logging_level log_level
= trace
->log_level
;
1526 for (ds_file_group_i
= 0; ds_file_group_i
< ds_file_groups
->len
;
1527 ds_file_group_i
++) {
1529 struct ctf_clock_class
*default_cc
;
1530 struct ctf_fs_ds_index_entry
*last_entry
;
1531 struct ctf_fs_ds_index
*index
;
1533 struct ctf_fs_ds_file_group
*ds_file_group
=
1534 g_ptr_array_index(ds_file_groups
, ds_file_group_i
);
1536 BT_ASSERT(ds_file_group
);
1537 index
= ds_file_group
->index
;
1540 BT_ASSERT(index
->entries
);
1541 BT_ASSERT(index
->entries
->len
> 0);
1544 * Iterate over all entries but the last one. The last one is
1545 * fixed differently after.
1547 for (entry_i
= 0; entry_i
< index
->entries
->len
- 1;
1549 struct ctf_fs_ds_index_entry
*curr_entry
, *next_entry
;
1551 curr_entry
= g_ptr_array_index(index
->entries
, entry_i
);
1552 next_entry
= g_ptr_array_index(index
->entries
, entry_i
+ 1);
1555 * 1. Set the current index entry `end` timestamp to
1556 * the next index entry `begin` timestamp.
1558 curr_entry
->timestamp_end
= next_entry
->timestamp_begin
;
1559 curr_entry
->timestamp_end_ns
= next_entry
->timestamp_begin_ns
;
1563 * 2. Fix the last entry by decoding the last event of the last
1566 last_entry
= g_ptr_array_index(index
->entries
,
1567 index
->entries
->len
- 1);
1568 BT_ASSERT(last_entry
);
1570 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1571 default_cc
= ds_file_group
->sc
->default_clock_class
;
1574 * Decode packet to read the timestamp of the last event of the
1577 ret
= decode_packet_last_event_timestamp(trace
, default_cc
,
1578 last_entry
, &last_entry
->timestamp_end
,
1579 &last_entry
->timestamp_end_ns
);
1581 BT_COMP_LOGE_APPEND_CAUSE(trace
->self_comp
,
1582 "Failed to decode stream's last packet to get its last event's clock snapshot.");
1592 * Fix up packet index entries for barectf's "event-before-packet" bug.
1593 * Some buggy barectf tracer versions may emit events with a timestamp that is
1594 * less than the timestamp_begin of the their packets.
1596 * To fix up this erroneous data we do the following:
1597 * 1. Starting at the second index entry, set the timestamp_begin of the
1598 * current entry to the timestamp of the first event of the packet.
1599 * 2. Set the previous entry's timestamp_end to the timestamp_begin of the
1602 * Known buggy tracer versions:
1603 * - before barectf 2.3.1
1606 int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace
*trace
)
1609 guint ds_file_group_i
;
1610 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1611 bt_logging_level log_level
= trace
->log_level
;
1613 for (ds_file_group_i
= 0; ds_file_group_i
< ds_file_groups
->len
;
1614 ds_file_group_i
++) {
1616 struct ctf_clock_class
*default_cc
;
1617 struct ctf_fs_ds_file_group
*ds_file_group
=
1618 g_ptr_array_index(ds_file_groups
, ds_file_group_i
);
1620 struct ctf_fs_ds_index
*index
= ds_file_group
->index
;
1623 BT_ASSERT(index
->entries
);
1624 BT_ASSERT(index
->entries
->len
> 0);
1626 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1627 default_cc
= ds_file_group
->sc
->default_clock_class
;
1630 * 1. Iterate over the index, starting from the second entry
1633 for (entry_i
= 1; entry_i
< index
->entries
->len
;
1635 struct ctf_fs_ds_index_entry
*curr_entry
, *prev_entry
;
1636 prev_entry
= g_ptr_array_index(index
->entries
, entry_i
- 1);
1637 curr_entry
= g_ptr_array_index(index
->entries
, entry_i
);
1639 * 2. Set the current entry `begin` timestamp to the
1640 * timestamp of the first event of the current packet.
1642 ret
= decode_packet_first_event_timestamp(trace
, default_cc
,
1643 curr_entry
, &curr_entry
->timestamp_begin
,
1644 &curr_entry
->timestamp_begin_ns
);
1646 BT_COMP_LOGE_APPEND_CAUSE(trace
->self_comp
,
1647 "Failed to decode first event's clock snapshot");
1652 * 3. Set the previous entry `end` timestamp to the
1653 * timestamp of the first event of the current packet.
1655 prev_entry
->timestamp_end
= curr_entry
->timestamp_begin
;
1656 prev_entry
->timestamp_end_ns
= curr_entry
->timestamp_begin_ns
;
1664 * When using the lttng-crash feature it's likely that the last packets of each
1665 * stream have their timestamp_end set to zero. This is caused by the fact that
1666 * the tracer crashed and was not able to properly close the packets.
1668 * To fix up this erroneous data we do the following:
1669 * For each index entry, if the entry's timestamp_end is 0 and the
1670 * timestamp_begin is not 0:
1671 * - If it's the stream file's last packet: set the packet index entry's end
1672 * time to the packet's last event's time, if any, or to the packet's
1673 * beginning time otherwise.
1674 * - If it's not the stream file's last packet: set the packet index
1675 * entry's end time to the next packet's beginning time.
1677 * Affected versions:
1678 * - All current and future lttng-ust and lttng-modules versions.
1681 int fix_index_lttng_crash_quirk(struct ctf_fs_trace
*trace
)
1684 guint ds_file_group_idx
;
1685 GPtrArray
*ds_file_groups
= trace
->ds_file_groups
;
1686 bt_logging_level log_level
= trace
->log_level
;
1688 for (ds_file_group_idx
= 0; ds_file_group_idx
< ds_file_groups
->len
;
1689 ds_file_group_idx
++) {
1691 struct ctf_clock_class
*default_cc
;
1692 struct ctf_fs_ds_index_entry
*last_entry
;
1693 struct ctf_fs_ds_index
*index
;
1695 struct ctf_fs_ds_file_group
*ds_file_group
=
1696 g_ptr_array_index(ds_file_groups
, ds_file_group_idx
);
1698 BT_ASSERT(ds_file_group
);
1699 index
= ds_file_group
->index
;
1701 BT_ASSERT(ds_file_group
->sc
->default_clock_class
);
1702 default_cc
= ds_file_group
->sc
->default_clock_class
;
1705 BT_ASSERT(index
->entries
);
1706 BT_ASSERT(index
->entries
->len
> 0);
1708 last_entry
= g_ptr_array_index(index
->entries
,
1709 index
->entries
->len
- 1);
1710 BT_ASSERT(last_entry
);
1713 /* 1. Fix the last entry first. */
1714 if (last_entry
->timestamp_end
== 0 &&
1715 last_entry
->timestamp_begin
!= 0) {
1717 * Decode packet to read the timestamp of the
1718 * last event of the stream file.
1720 ret
= decode_packet_last_event_timestamp(trace
,
1721 default_cc
, last_entry
,
1722 &last_entry
->timestamp_end
,
1723 &last_entry
->timestamp_end_ns
);
1725 BT_COMP_LOGE_APPEND_CAUSE(trace
->self_comp
,
1726 "Failed to decode last event's clock snapshot");
1731 /* Iterate over all entries but the last one. */
1732 for (entry_idx
= 0; entry_idx
< index
->entries
->len
- 1;
1734 struct ctf_fs_ds_index_entry
*curr_entry
, *next_entry
;
1735 curr_entry
= g_ptr_array_index(index
->entries
, entry_idx
);
1736 next_entry
= g_ptr_array_index(index
->entries
, entry_idx
+ 1);
1738 if (curr_entry
->timestamp_end
== 0 &&
1739 curr_entry
->timestamp_begin
!= 0) {
1741 * 2. Set the current index entry `end` timestamp to
1742 * the next index entry `begin` timestamp.
1744 curr_entry
->timestamp_end
= next_entry
->timestamp_begin
;
1745 curr_entry
->timestamp_end_ns
= next_entry
->timestamp_begin_ns
;
1755 * Extract the tracer information necessary to compare versions.
1756 * Returns 0 on success, and -1 if the extraction is not successful because the
1757 * necessary fields are absents in the trace metadata.
1760 int extract_tracer_info(struct ctf_fs_trace
*trace
,
1761 struct tracer_info
*current_tracer_info
)
1764 struct ctf_trace_class_env_entry
*entry
;
1766 /* Clear the current_tracer_info struct */
1767 memset(current_tracer_info
, 0, sizeof(*current_tracer_info
));
1770 * To compare 2 tracer versions, at least the tracer name and it's
1771 * major version are needed. If one of these is missing, consider it an
1772 * extraction failure.
1774 entry
= ctf_trace_class_borrow_env_entry_by_name(
1775 trace
->metadata
->tc
, "tracer_name");
1776 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR
) {
1777 goto missing_bare_minimum
;
1780 /* Set tracer name. */
1781 current_tracer_info
->name
= entry
->value
.str
->str
;
1783 entry
= ctf_trace_class_borrow_env_entry_by_name(
1784 trace
->metadata
->tc
, "tracer_major");
1785 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1786 goto missing_bare_minimum
;
1789 /* Set major version number. */
1790 current_tracer_info
->major
= entry
->value
.i
;
1792 entry
= ctf_trace_class_borrow_env_entry_by_name(
1793 trace
->metadata
->tc
, "tracer_minor");
1794 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1798 /* Set minor version number. */
1799 current_tracer_info
->minor
= entry
->value
.i
;
1801 entry
= ctf_trace_class_borrow_env_entry_by_name(
1802 trace
->metadata
->tc
, "tracer_patch");
1805 * If `tracer_patch` doesn't exist `tracer_patchlevel` might.
1806 * For example, `lttng-modules` uses entry name
1807 * `tracer_patchlevel`.
1809 entry
= ctf_trace_class_borrow_env_entry_by_name(
1810 trace
->metadata
->tc
, "tracer_patchlevel");
1813 if (!entry
|| entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1817 /* Set patch version number. */
1818 current_tracer_info
->patch
= entry
->value
.i
;
1822 missing_bare_minimum
:
1829 bool is_tracer_affected_by_lttng_event_after_packet_bug(
1830 struct tracer_info
*curr_tracer_info
)
1832 bool is_affected
= false;
1834 if (strcmp(curr_tracer_info
->name
, "lttng-ust") == 0) {
1835 if (curr_tracer_info
->major
< 2) {
1837 } else if (curr_tracer_info
->major
== 2) {
1838 /* fixed in lttng-ust 2.11.0 */
1839 if (curr_tracer_info
->minor
< 11) {
1843 } else if (strcmp(curr_tracer_info
->name
, "lttng-modules") == 0) {
1844 if (curr_tracer_info
->major
< 2) {
1846 } else if (curr_tracer_info
->major
== 2) {
1847 /* fixed in lttng-modules 2.11.0 */
1848 if (curr_tracer_info
->minor
== 10) {
1849 /* fixed in lttng-modules 2.10.10 */
1850 if (curr_tracer_info
->patch
< 10) {
1853 } else if (curr_tracer_info
->minor
== 9) {
1854 /* fixed in lttng-modules 2.9.13 */
1855 if (curr_tracer_info
->patch
< 13) {
1858 } else if (curr_tracer_info
->minor
< 9) {
1868 bool is_tracer_affected_by_barectf_event_before_packet_bug(
1869 struct tracer_info
*curr_tracer_info
)
1871 bool is_affected
= false;
1873 if (strcmp(curr_tracer_info
->name
, "barectf") == 0) {
1874 if (curr_tracer_info
->major
< 2) {
1876 } else if (curr_tracer_info
->major
== 2) {
1877 if (curr_tracer_info
->minor
< 3) {
1879 } else if (curr_tracer_info
->minor
== 3) {
1880 /* fixed in barectf 2.3.1 */
1881 if (curr_tracer_info
->patch
< 1) {
1892 bool is_tracer_affected_by_lttng_crash_quirk(
1893 struct tracer_info
*curr_tracer_info
)
1895 bool is_affected
= false;
1897 /* All LTTng tracer may be affected by this lttng crash quirk. */
1898 if (strcmp(curr_tracer_info
->name
, "lttng-ust") == 0) {
1900 } else if (strcmp(curr_tracer_info
->name
, "lttng-modules") == 0) {
1908 * Looks for trace produced by known buggy tracers and fix up the index
1912 int fix_packet_index_tracer_bugs(struct ctf_fs_component
*ctf_fs
,
1913 bt_self_component
*self_comp
)
1916 struct tracer_info current_tracer_info
;
1917 bt_logging_level log_level
= ctf_fs
->log_level
;
1919 ret
= extract_tracer_info(ctf_fs
->trace
, ¤t_tracer_info
);
1922 * A trace may not have all the necessary environment
1923 * entries to do the tracer version comparison.
1924 * At least, the tracer name and major version number
1925 * are needed. Failing to extract these entries is not
1929 BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions.");
1933 /* Check if the trace may be affected by old tracer bugs. */
1934 if (is_tracer_affected_by_lttng_event_after_packet_bug(
1935 ¤t_tracer_info
)) {
1936 BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up.");
1937 ret
= fix_index_lttng_event_after_packet_bug(ctf_fs
->trace
);
1939 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1940 "Failed to fix LTTng event-after-packet bug.");
1943 ctf_fs
->trace
->metadata
->tc
->quirks
.lttng_event_after_packet
= true;
1946 if (is_tracer_affected_by_barectf_event_before_packet_bug(
1947 ¤t_tracer_info
)) {
1948 BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up.");
1949 ret
= fix_index_barectf_event_before_packet_bug(ctf_fs
->trace
);
1951 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1952 "Failed to fix barectf event-before-packet bug.");
1955 ctf_fs
->trace
->metadata
->tc
->quirks
.barectf_event_before_packet
= true;
1958 if (is_tracer_affected_by_lttng_crash_quirk(
1959 ¤t_tracer_info
)) {
1960 ret
= fix_index_lttng_crash_quirk(ctf_fs
->trace
);
1962 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
1963 "Failed to fix lttng-crash timestamp quirks.");
1966 ctf_fs
->trace
->metadata
->tc
->quirks
.lttng_crash
= true;
1974 gint
compare_ds_file_groups_by_first_path(gconstpointer a
, gconstpointer b
)
1976 struct ctf_fs_ds_file_group
* const *ds_file_group_a
= a
;
1977 struct ctf_fs_ds_file_group
* const *ds_file_group_b
= b
;
1978 const struct ctf_fs_ds_file_info
*first_ds_file_info_a
;
1979 const struct ctf_fs_ds_file_info
*first_ds_file_info_b
;
1981 BT_ASSERT((*ds_file_group_a
)->ds_file_infos
->len
> 0);
1982 BT_ASSERT((*ds_file_group_b
)->ds_file_infos
->len
> 0);
1983 first_ds_file_info_a
= (*ds_file_group_a
)->ds_file_infos
->pdata
[0];
1984 first_ds_file_info_b
= (*ds_file_group_b
)->ds_file_infos
->pdata
[0];
1985 return strcmp(first_ds_file_info_a
->path
->str
,
1986 first_ds_file_info_b
->path
->str
);
1989 int ctf_fs_component_create_ctf_fs_trace(
1990 struct ctf_fs_component
*ctf_fs
,
1991 const bt_value
*paths_value
,
1992 const bt_value
*trace_name_value
,
1993 bt_self_component
*self_comp
,
1994 bt_self_component_class
*self_comp_class
)
1998 bt_logging_level log_level
= ctf_fs
->log_level
;
2000 const char *trace_name
;
2002 BT_ASSERT(bt_value_get_type(paths_value
) == BT_VALUE_TYPE_ARRAY
);
2003 BT_ASSERT(!bt_value_array_is_empty(paths_value
));
2005 traces
= g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier
);
2007 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2008 "Failed to allocate a GPtrArray.");
2012 trace_name
= trace_name_value
? bt_value_string_get(trace_name_value
) : NULL
;
2014 /* Start by creating a separate ctf_fs_trace object for each path. */
2015 for (i
= 0; i
< bt_value_array_get_length(paths_value
); i
++) {
2016 const bt_value
*path_value
= bt_value_array_borrow_element_by_index_const(paths_value
, i
);
2017 const char *input
= bt_value_string_get(path_value
);
2019 ret
= ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs
,
2020 input
, trace_name
, traces
, self_comp
, self_comp_class
);
2026 if (traces
->len
> 1) {
2027 struct ctf_fs_trace
*first_trace
= (struct ctf_fs_trace
*) traces
->pdata
[0];
2028 const uint8_t *first_trace_uuid
= first_trace
->metadata
->tc
->uuid
;
2029 struct ctf_fs_trace
*trace
;
2032 * We have more than one trace, they must all share the same
2033 * UUID, verify that.
2035 for (i
= 0; i
< traces
->len
; i
++) {
2036 struct ctf_fs_trace
*this_trace
=
2037 (struct ctf_fs_trace
*) traces
->pdata
[i
];
2038 const uint8_t *this_trace_uuid
= this_trace
->metadata
->tc
->uuid
;
2040 if (!this_trace
->metadata
->tc
->is_uuid_set
) {
2041 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2042 "Multiple traces given, but a trace does not have a UUID: path=%s",
2043 this_trace
->path
->str
);
2047 if (bt_uuid_compare(first_trace_uuid
, this_trace_uuid
) != 0) {
2048 char first_trace_uuid_str
[BT_UUID_STR_LEN
+ 1];
2049 char this_trace_uuid_str
[BT_UUID_STR_LEN
+ 1];
2051 bt_uuid_to_str(first_trace_uuid
, first_trace_uuid_str
);
2052 bt_uuid_to_str(this_trace_uuid
, this_trace_uuid_str
);
2054 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2055 "Multiple traces given, but UUIDs don't match: "
2056 "first-trace-uuid=%s, first-trace-path=%s, "
2057 "trace-uuid=%s, trace-path=%s",
2058 first_trace_uuid_str
, first_trace
->path
->str
,
2059 this_trace_uuid_str
, this_trace
->path
->str
);
2064 ret
= merge_ctf_fs_traces((struct ctf_fs_trace
**) traces
->pdata
,
2065 traces
->len
, &trace
);
2067 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2068 "Failed to merge traces with the same UUID.");
2072 ctf_fs
->trace
= trace
;
2074 /* Just one trace, it may or may not have a UUID, both are fine. */
2075 ctf_fs
->trace
= traces
->pdata
[0];
2076 traces
->pdata
[0] = NULL
;
2079 ret
= fix_packet_index_tracer_bugs(ctf_fs
, self_comp
);
2081 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2082 "Failed to fix packet index tracer bugs.");
2086 * Sort data stream file groups by first data stream file info
2087 * path to get a deterministic order. This order influences the
2088 * order of the output ports. It also influences the order of
2089 * the automatic stream IDs if the trace's packet headers do not
2090 * contain a `stream_instance_id` field, in which case the data
2091 * stream file to stream ID association is always the same,
2092 * whatever the build and the system.
2094 * Having a deterministic order here can help debugging and
2097 g_ptr_array_sort(ctf_fs
->trace
->ds_file_groups
,
2098 compare_ds_file_groups_by_first_path
);
2104 g_ptr_array_free(traces
, TRUE
);
2109 GString
*get_stream_instance_unique_name(
2110 struct ctf_fs_ds_file_group
*ds_file_group
)
2113 struct ctf_fs_ds_file_info
*ds_file_info
;
2115 name
= g_string_new(NULL
);
2121 * If there's more than one stream file in the stream file
2122 * group, the first (earliest) stream file's path is used as
2123 * the stream's unique name.
2125 BT_ASSERT(ds_file_group
->ds_file_infos
->len
> 0);
2126 ds_file_info
= g_ptr_array_index(ds_file_group
->ds_file_infos
, 0);
2127 g_string_assign(name
, ds_file_info
->path
->str
);
2133 /* Create the IR stream objects for ctf_fs_trace. */
2136 int create_streams_for_trace(struct ctf_fs_trace
*ctf_fs_trace
)
2139 GString
*name
= NULL
;
2141 bt_logging_level log_level
= ctf_fs_trace
->log_level
;
2142 bt_self_component
*self_comp
= ctf_fs_trace
->self_comp
;
2144 for (i
= 0; i
< ctf_fs_trace
->ds_file_groups
->len
; i
++) {
2145 struct ctf_fs_ds_file_group
*ds_file_group
=
2146 g_ptr_array_index(ctf_fs_trace
->ds_file_groups
, i
);
2147 name
= get_stream_instance_unique_name(ds_file_group
);
2153 if (ds_file_group
->sc
->ir_sc
) {
2154 BT_ASSERT(ctf_fs_trace
->trace
);
2156 if (ds_file_group
->stream_id
== UINT64_C(-1)) {
2157 /* No stream ID: use 0 */
2158 ds_file_group
->stream
= bt_stream_create_with_id(
2159 ds_file_group
->sc
->ir_sc
,
2160 ctf_fs_trace
->trace
,
2161 ctf_fs_trace
->next_stream_id
);
2162 ctf_fs_trace
->next_stream_id
++;
2164 /* Specific stream ID */
2165 ds_file_group
->stream
= bt_stream_create_with_id(
2166 ds_file_group
->sc
->ir_sc
,
2167 ctf_fs_trace
->trace
,
2168 (uint64_t) ds_file_group
->stream_id
);
2171 ds_file_group
->stream
= NULL
;
2174 if (!ds_file_group
->stream
) {
2175 BT_COMP_LOGE_APPEND_CAUSE(self_comp
,
2176 "Cannot create stream for DS file group: "
2177 "addr=%p, stream-name=\"%s\"",
2178 ds_file_group
, name
->str
);
2182 ret
= bt_stream_set_name(ds_file_group
->stream
,
2185 BT_COMP_LOGE_APPEND_CAUSE(self_comp
, "Cannot set stream's name: "
2186 "addr=%p, stream-name=\"%s\"",
2187 ds_file_group
->stream
, name
->str
);
2191 g_string_free(name
, TRUE
);
2204 g_string_free(name
, TRUE
);
2210 * Validate the "paths" parameter passed to this component. It must be
2211 * present, and it must be an array of strings.
2215 bool validate_inputs_parameter(struct ctf_fs_component
*ctf_fs
,
2216 const bt_value
*inputs
, bt_self_component
*self_comp
,
2217 bt_self_component_class
*self_comp_class
)
2222 bt_logging_level log_level
= ctf_fs
->log_level
;
2225 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
,
2226 self_comp_class
, "missing \"inputs\" parameter");
2230 type
= bt_value_get_type(inputs
);
2231 if (type
!= BT_VALUE_TYPE_ARRAY
) {
2232 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
,
2233 self_comp_class
, "`inputs` parameter: expecting array value: type=%s",
2234 bt_common_value_type_string(type
));
2238 if (bt_value_array_is_empty(inputs
)) {
2239 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
,
2240 self_comp_class
, "`inputs` parameter must not be empty");
2244 for (i
= 0; i
< bt_value_array_get_length(inputs
); i
++) {
2245 const bt_value
*elem
;
2247 elem
= bt_value_array_borrow_element_by_index_const(inputs
, i
);
2248 type
= bt_value_get_type(elem
);
2249 if (type
!= BT_VALUE_TYPE_STRING
) {
2250 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2251 "`inputs` parameter: expecting string value: index=%" PRIu64
", type=%s",
2252 i
, bt_common_value_type_string(type
));
2267 bool read_src_fs_parameters(const bt_value
*params
,
2268 const bt_value
**inputs
,
2269 const bt_value
**trace_name
,
2270 struct ctf_fs_component
*ctf_fs
,
2271 bt_self_component
*self_comp
,
2272 bt_self_component_class
*self_comp_class
) {
2274 const bt_value
*value
;
2275 bt_logging_level log_level
= ctf_fs
->log_level
;
2277 /* inputs parameter */
2278 *inputs
= bt_value_map_borrow_entry_value_const(params
, "inputs");
2279 if (!validate_inputs_parameter(ctf_fs
, *inputs
, self_comp
, self_comp_class
)) {
2283 /* clock-class-offset-s parameter */
2284 value
= bt_value_map_borrow_entry_value_const(params
,
2285 "clock-class-offset-s");
2287 if (!bt_value_is_signed_integer(value
)) {
2288 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2289 "clock-class-offset-s must be an integer");
2292 ctf_fs
->metadata_config
.clock_class_offset_s
=
2293 bt_value_integer_signed_get(value
);
2296 /* clock-class-offset-ns parameter */
2297 value
= bt_value_map_borrow_entry_value_const(params
,
2298 "clock-class-offset-ns");
2300 if (!bt_value_is_signed_integer(value
)) {
2301 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2302 "clock-class-offset-ns must be an integer");
2305 ctf_fs
->metadata_config
.clock_class_offset_ns
=
2306 bt_value_integer_signed_get(value
);
2309 /* force-clock-class-origin-unix-epoch parameter */
2310 value
= bt_value_map_borrow_entry_value_const(params
,
2311 "force-clock-class-origin-unix-epoch");
2313 if (!bt_value_is_bool(value
)) {
2314 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2315 "force-clock-class-origin-unix-epoch must be a boolean");
2319 ctf_fs
->metadata_config
.force_clock_class_origin_unix_epoch
=
2320 bt_value_bool_get(value
);
2323 /* trace-name parameter */
2324 *trace_name
= bt_value_map_borrow_entry_value_const(params
, "trace-name");
2326 if (!bt_value_is_string(*trace_name
)) {
2327 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp
, self_comp_class
,
2328 "trace-name must be a string");
2344 struct ctf_fs_component
*ctf_fs_create(
2345 const bt_value
*params
,
2346 bt_self_component_source
*self_comp_src
,
2347 bt_self_component_class
*self_comp_class
)
2349 struct ctf_fs_component
*ctf_fs
= NULL
;
2350 const bt_value
*inputs_value
;
2351 const bt_value
*trace_name_value
;
2352 bt_self_component
*self_comp
=
2353 bt_self_component_source_as_self_component(self_comp_src
);
2355 ctf_fs
= ctf_fs_component_create(bt_component_get_logging_level(
2356 bt_self_component_as_component(self_comp
)), self_comp
);
2361 if (!read_src_fs_parameters(params
, &inputs_value
, &trace_name_value
,
2362 ctf_fs
, self_comp
, self_comp_class
)) {
2366 bt_self_component_set_data(self_comp
, ctf_fs
);
2368 if (ctf_fs_component_create_ctf_fs_trace(ctf_fs
, inputs_value
,
2369 trace_name_value
, self_comp
, self_comp_class
)) {
2373 if (create_streams_for_trace(ctf_fs
->trace
)) {
2377 if (create_ports_for_trace(ctf_fs
, ctf_fs
->trace
, self_comp_src
)) {
2384 ctf_fs_destroy(ctf_fs
);
2386 bt_self_component_set_data(self_comp
, NULL
);
2393 bt_component_class_initialize_method_status
ctf_fs_init(
2394 bt_self_component_source
*self_comp_src
,
2395 bt_self_component_source_configuration
*config
,
2396 const bt_value
*params
, __attribute__((unused
)) void *init_method_data
)
2398 struct ctf_fs_component
*ctf_fs
;
2399 bt_component_class_initialize_method_status ret
=
2400 BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK
;
2402 ctf_fs
= ctf_fs_create(params
, self_comp_src
, NULL
);
2404 ret
= BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR
;
2411 bt_component_class_query_method_status
ctf_fs_query(
2412 bt_self_component_class_source
*comp_class
,
2413 bt_private_query_executor
*priv_query_exec
,
2414 const char *object
, const bt_value
*params
,
2415 __attribute__((unused
)) void *method_data
,
2416 const bt_value
**result
)
2418 bt_component_class_query_method_status status
=
2419 BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK
;
2420 bt_logging_level log_level
= bt_query_executor_get_logging_level(
2421 bt_private_query_executor_as_query_executor_const(
2424 if (strcmp(object
, "metadata-info") == 0) {
2425 status
= metadata_info_query(comp_class
, params
, log_level
,
2427 } else if (strcmp(object
, "babeltrace.trace-infos") == 0) {
2428 status
= trace_infos_query(comp_class
, params
, log_level
,
2430 } else if (!strcmp(object
, "babeltrace.support-info")) {
2431 status
= support_info_query(comp_class
, params
, log_level
, result
);
2433 BT_LOGE("Unknown query object `%s`", object
);
2434 status
= BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT
;