2 * Copyright 2018 Philippe Proulx <pproulx@efficios.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #define BT_LOG_TAG "LIB/LIB-LOGGING"
24 #include "lib/logging.h"
34 #include "common/common.h"
35 #include <babeltrace2/trace-ir/event-const.h>
36 #include <babeltrace2/trace-ir/packet-const.h>
37 #include <babeltrace2/trace-ir/stream-const.h>
38 #include <babeltrace2/current-thread.h>
41 #include "assert-pre.h"
42 #include "assert-post.h"
44 #include "object-pool.h"
45 #include "graph/component-class.h"
46 #include "graph/component-class-sink-colander.h"
47 #include "graph/component-filter.h"
48 #include "graph/component.h"
49 #include "graph/component-sink.h"
50 #include "graph/component-source.h"
51 #include "graph/connection.h"
52 #include "graph/graph.h"
53 #include "graph/message/discarded-items.h"
54 #include "graph/message/event.h"
55 #include "graph/message/iterator.h"
56 #include "graph/message/message.h"
57 #include "graph/message/message-iterator-inactivity.h"
58 #include "graph/message/packet.h"
59 #include "graph/message/stream-activity.h"
60 #include "graph/message/stream.h"
61 #include "graph/port.h"
62 #include "plugin/plugin.h"
63 #include "plugin/plugin-so.h"
64 #include "trace-ir/clock-class.h"
65 #include "trace-ir/clock-snapshot.h"
66 #include "trace-ir/event-class.h"
67 #include "trace-ir/event.h"
68 #include "trace-ir/field-class.h"
69 #include "trace-ir/field.h"
70 #include "trace-ir/field-path.h"
71 #include "trace-ir/packet.h"
72 #include "trace-ir/stream-class.h"
73 #include "trace-ir/stream.h"
74 #include "trace-ir/trace-class.h"
75 #include "trace-ir/trace.h"
76 #include "trace-ir/utils.h"
78 #include "assert-pre.h"
80 #define LIB_LOGGING_BUF_SIZE (4096 * 4)
82 static __thread
char lib_logging_buf
[LIB_LOGGING_BUF_SIZE
];
84 #define BUF_APPEND(_fmt, ...) \
87 size_t _size = LIB_LOGGING_BUF_SIZE - \
88 (size_t) (*buf_ch - lib_logging_buf); \
89 _count = snprintf(*buf_ch, _size, (_fmt), __VA_ARGS__); \
90 BT_ASSERT(_count >= 0); \
91 *buf_ch += MIN(_count, _size); \
92 if (*buf_ch >= lib_logging_buf + LIB_LOGGING_BUF_SIZE - 1) { \
97 #define BUF_APPEND_UUID(_uuid) \
99 BUF_APPEND(", %suuid=", prefix); \
100 format_uuid(buf_ch, (_uuid)); \
103 #define PRFIELD(_expr) prefix, (_expr)
105 #define PRFIELD_GSTRING(_expr) PRFIELD((_expr) ? (_expr)->str : NULL)
107 #define TMP_PREFIX_LEN 64
108 #define SET_TMP_PREFIX(_prefix2) \
110 snprintf(tmp_prefix, TMP_PREFIX_LEN - 1, "%s%s", \
111 prefix, (_prefix2)); \
112 tmp_prefix[TMP_PREFIX_LEN - 1] = '\0'; \
115 static inline void format_component(char **buf_ch
, bool extended
,
116 const char *prefix
, const struct bt_component
*component
);
118 static inline void format_port(char **buf_ch
, bool extended
,
119 const char *prefix
, const struct bt_port
*port
);
121 static inline void format_connection(char **buf_ch
, bool extended
,
122 const char *prefix
, const struct bt_connection
*connection
);
124 static inline void format_clock_snapshot(char **buf_ch
, bool extended
,
125 const char *prefix
, const struct bt_clock_snapshot
*clock_snapshot
);
127 static inline void format_field_path(char **buf_ch
, bool extended
,
128 const char *prefix
, const struct bt_field_path
*field_path
);
130 static inline void format_object(char **buf_ch
, bool extended
,
131 const char *prefix
, const struct bt_object
*obj
)
133 BUF_APPEND(", %sref-count=%llu", prefix
, obj
->ref_count
);
136 static inline void format_uuid(char **buf_ch
, bt_uuid uuid
)
138 BUF_APPEND("\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
139 (unsigned int) uuid
[0],
140 (unsigned int) uuid
[1],
141 (unsigned int) uuid
[2],
142 (unsigned int) uuid
[3],
143 (unsigned int) uuid
[4],
144 (unsigned int) uuid
[5],
145 (unsigned int) uuid
[6],
146 (unsigned int) uuid
[7],
147 (unsigned int) uuid
[8],
148 (unsigned int) uuid
[9],
149 (unsigned int) uuid
[10],
150 (unsigned int) uuid
[11],
151 (unsigned int) uuid
[12],
152 (unsigned int) uuid
[13],
153 (unsigned int) uuid
[14],
154 (unsigned int) uuid
[15]);
157 static inline void format_object_pool(char **buf_ch
, bool extended
,
158 const char *prefix
, const struct bt_object_pool
*pool
)
160 BUF_APPEND(", %ssize=%zu", PRFIELD(pool
->size
));
163 BUF_APPEND(", %scap=%u", PRFIELD(pool
->objects
->len
));
167 static inline void format_integer_field_class(char **buf_ch
,
168 bool extended
, const char *prefix
,
169 const struct bt_field_class
*field_class
)
171 const struct bt_field_class_integer
*int_fc
=
172 (const void *) field_class
;
174 BUF_APPEND(", %srange-size=%" PRIu64
", %sbase=%s",
175 PRFIELD(int_fc
->range
),
176 PRFIELD(bt_common_field_class_integer_preferred_display_base_string(int_fc
->base
)));
179 static inline void format_array_field_class(char **buf_ch
,
180 bool extended
, const char *prefix
,
181 const struct bt_field_class
*field_class
)
183 const struct bt_field_class_array
*array_fc
=
184 (const void *) field_class
;
186 BUF_APPEND(", %selement-fc-addr=%p, %selement-fc-type=%s",
187 PRFIELD(array_fc
->element_fc
),
188 PRFIELD(bt_common_field_class_type_string(array_fc
->element_fc
->type
)));
191 static inline void format_field_class(char **buf_ch
, bool extended
,
192 const char *prefix
, const struct bt_field_class
*field_class
)
194 char tmp_prefix
[TMP_PREFIX_LEN
];
196 BUF_APPEND(", %stype=%s",
197 PRFIELD(bt_common_field_class_type_string(field_class
->type
)));
200 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field_class
->frozen
));
201 BUF_APPEND(", %sis-part-of-trace-class=%d",
202 PRFIELD(field_class
->part_of_trace_class
));
207 switch (field_class
->type
) {
208 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
209 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
211 format_integer_field_class(buf_ch
, extended
, prefix
, field_class
);
214 case BT_FIELD_CLASS_TYPE_REAL
:
216 const struct bt_field_class_real
*real_fc
= (void *) field_class
;
218 BUF_APPEND(", %sis-single-precision=%d",
219 PRFIELD(real_fc
->is_single_precision
));
222 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
223 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
225 const struct bt_field_class_enumeration
*enum_fc
=
226 (const void *) field_class
;
228 format_integer_field_class(buf_ch
, extended
, prefix
, field_class
);
229 BUF_APPEND(", %smapping-count=%u",
230 PRFIELD(enum_fc
->mappings
->len
));
233 case BT_FIELD_CLASS_TYPE_STRUCTURE
:
235 const struct bt_field_class_structure
*struct_fc
=
236 (const void *) field_class
;
238 if (struct_fc
->common
.named_fcs
) {
239 BUF_APPEND(", %smember-count=%u",
240 PRFIELD(struct_fc
->common
.named_fcs
->len
));
245 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
247 const struct bt_field_class_static_array
*array_fc
=
248 (const void *) field_class
;
250 format_array_field_class(buf_ch
, extended
, prefix
, field_class
);
251 BUF_APPEND(", %slength=%" PRIu64
, PRFIELD(array_fc
->length
));
254 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
256 const struct bt_field_class_dynamic_array
*array_fc
=
257 (const void *) field_class
;
259 format_array_field_class(buf_ch
, extended
, prefix
, field_class
);
261 if (array_fc
->length_fc
) {
262 SET_TMP_PREFIX("length-fc-");
263 format_field_class(buf_ch
, extended
, tmp_prefix
,
264 array_fc
->length_fc
);
267 if (array_fc
->length_field_path
) {
268 SET_TMP_PREFIX("length-field-path-");
269 format_field_path(buf_ch
, extended
, tmp_prefix
,
270 array_fc
->length_field_path
);
275 case BT_FIELD_CLASS_TYPE_VARIANT
:
277 const struct bt_field_class_variant
*var_fc
=
278 (const void *) field_class
;
280 if (var_fc
->common
.named_fcs
) {
281 BUF_APPEND(", %soption-count=%u",
282 PRFIELD(var_fc
->common
.named_fcs
->len
));
285 if (var_fc
->selector_fc
) {
286 SET_TMP_PREFIX("selector-fc-");
287 format_field_class(buf_ch
, extended
, tmp_prefix
,
288 var_fc
->selector_fc
);
291 if (var_fc
->selector_field_path
) {
292 SET_TMP_PREFIX("selector-field-path-");
293 format_field_path(buf_ch
, extended
, tmp_prefix
,
294 var_fc
->selector_field_path
);
304 static inline void format_field_integer_extended(char **buf_ch
,
305 const char *prefix
, const struct bt_field
*field
)
307 const struct bt_field_integer
*integer
= (void *) field
;
308 const struct bt_field_class_integer
*field_class
=
309 (void *) field
->class;
310 const char *fmt
= NULL
;
312 BT_ASSERT(field_class
);
314 if (field_class
->base
== BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
) {
315 fmt
= ", %svalue=%" PRIo64
;
316 } else if (field_class
->base
== BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
) {
317 fmt
= ", %svalue=%" PRIx64
;
320 if (field_class
->common
.type
== BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
||
321 field_class
->common
.type
== BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
) {
323 fmt
= ", %svalue=%" PRId64
;
326 BUF_APPEND(fmt
, PRFIELD(integer
->value
.i
));
329 fmt
= ", %svalue=%" PRIu64
;
332 BUF_APPEND(fmt
, PRFIELD(integer
->value
.u
));
336 static inline void format_field(char **buf_ch
, bool extended
,
337 const char *prefix
, const struct bt_field
*field
)
339 BUF_APPEND(", %sis-set=%d", PRFIELD(field
->is_set
));
342 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field
->frozen
));
345 BUF_APPEND(", %sclass-addr=%p", PRFIELD(field
->class));
351 BUF_APPEND(", %sclass-type=%s",
352 PRFIELD(bt_common_field_class_type_string(field
->class->type
)));
354 if (!extended
|| !field
->is_set
) {
358 switch (field
->class->type
) {
359 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
360 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
361 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
362 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
364 format_field_integer_extended(buf_ch
, prefix
, field
);
367 case BT_FIELD_CLASS_TYPE_REAL
:
369 const struct bt_field_real
*real_field
= (const void *) field
;
371 BUF_APPEND(", %svalue=%f", PRFIELD(real_field
->value
));
374 case BT_FIELD_CLASS_TYPE_STRING
:
376 const struct bt_field_string
*str
= (const void *) field
;
379 BT_ASSERT(str
->buf
->data
);
380 BUF_APPEND(", %spartial-value=\"%.32s\"",
381 PRFIELD(str
->buf
->data
));
386 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
387 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
389 const struct bt_field_array
*array_field
= (const void *) field
;
391 BUF_APPEND(", %slength=%" PRIu64
, PRFIELD(array_field
->length
));
393 if (array_field
->fields
) {
394 BUF_APPEND(", %sallocated-length=%u",
395 PRFIELD(array_field
->fields
->len
));
400 case BT_FIELD_CLASS_TYPE_VARIANT
:
402 const struct bt_field_variant
*var_field
= (const void *) field
;
404 BUF_APPEND(", %sselected-field-index=%" PRIu64
,
405 PRFIELD(var_field
->selected_index
));
413 static inline void format_field_path(char **buf_ch
, bool extended
,
414 const char *prefix
, const struct bt_field_path
*field_path
)
418 if (field_path
->items
) {
419 BT_ASSERT(field_path
->items
);
420 BUF_APPEND(", %sitem-count=%u",
421 PRFIELD(field_path
->items
->len
));
424 if (!extended
|| !field_path
->items
) {
428 BUF_APPEND(", %spath=[%s",
429 PRFIELD(bt_common_scope_string(field_path
->root
)));
431 for (i
= 0; i
< bt_field_path_get_item_count(field_path
); i
++) {
432 const struct bt_field_path_item
*fp_item
=
433 bt_field_path_borrow_item_by_index_const(field_path
, i
);
435 switch (bt_field_path_item_get_type(fp_item
)) {
436 case BT_FIELD_PATH_ITEM_TYPE_INDEX
:
437 BUF_APPEND(", %" PRIu64
,
438 bt_field_path_item_index_get_index(fp_item
));
440 case BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT
:
441 BUF_APPEND("%s", ", <CUR>");
448 BUF_APPEND("%s", "]");
451 static inline void format_trace_class(char **buf_ch
, bool extended
,
452 const char *prefix
, const struct bt_trace_class
*trace_class
)
454 if (trace_class
->name
.value
) {
455 BUF_APPEND(", %sname=\"%s\"",
456 PRFIELD(trace_class
->name
.value
));
463 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace_class
->frozen
));
465 if (trace_class
->uuid
.value
) {
466 BUF_APPEND_UUID(trace_class
->uuid
.value
);
469 if (trace_class
->stream_classes
) {
470 BUF_APPEND(", %sstream-class-count=%u",
471 PRFIELD(trace_class
->stream_classes
->len
));
474 BUF_APPEND(", %sassigns-auto-sc-id=%d",
475 PRFIELD(trace_class
->assigns_automatic_stream_class_id
));
478 static inline void format_trace(char **buf_ch
, bool extended
,
479 const char *prefix
, const struct bt_trace
*trace
)
481 char tmp_prefix
[TMP_PREFIX_LEN
];
483 if (trace
->name
.value
) {
484 BUF_APPEND(", %sname=\"%s\"", PRFIELD(trace
->name
.value
));
491 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace
->frozen
));
493 if (trace
->streams
) {
494 BUF_APPEND(", %sstream-count=%u",
495 PRFIELD(trace
->streams
->len
));
502 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace
->class));
503 SET_TMP_PREFIX("trace-class-");
504 format_trace_class(buf_ch
, false, tmp_prefix
, trace
->class);
507 static inline void format_stream_class(char **buf_ch
, bool extended
,
509 const struct bt_stream_class
*stream_class
)
511 const struct bt_trace_class
*trace_class
;
512 char tmp_prefix
[TMP_PREFIX_LEN
];
514 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(stream_class
->id
));
516 if (stream_class
->name
.value
) {
517 BUF_APPEND(", %sname=\"%s\"",
518 PRFIELD(stream_class
->name
.value
));
525 BUF_APPEND(", %sis-frozen=%d", PRFIELD(stream_class
->frozen
));
527 if (stream_class
->event_classes
) {
528 BUF_APPEND(", %sevent-class-count=%u",
529 PRFIELD(stream_class
->event_classes
->len
));
532 BUF_APPEND(", %spacket-context-fc-addr=%p, "
533 "%sevent-common-context-fc-addr=%p",
534 PRFIELD(stream_class
->packet_context_fc
),
535 PRFIELD(stream_class
->event_common_context_fc
));
536 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
541 BUF_APPEND(", %sassigns-auto-ec-id=%d, %sassigns-auto-stream-id=%d, "
542 "%spackets-have-default-beginning-cs=%d, "
543 "%spackets-have-default-end-cs=%d, "
544 "%ssupports-discarded-events=%d, "
545 "%sdiscarded-events-have-default-cs=%d, "
546 "%ssupports-discarded-packets=%d, "
547 "%sdiscarded-packets-have-default-cs=%d",
548 PRFIELD(stream_class
->assigns_automatic_event_class_id
),
549 PRFIELD(stream_class
->assigns_automatic_stream_id
),
550 PRFIELD(stream_class
->packets_have_beginning_default_clock_snapshot
),
551 PRFIELD(stream_class
->packets_have_end_default_clock_snapshot
),
552 PRFIELD(stream_class
->supports_discarded_events
),
553 PRFIELD(stream_class
->discarded_events_have_default_clock_snapshots
),
554 PRFIELD(stream_class
->supports_discarded_packets
),
555 PRFIELD(stream_class
->discarded_packets_have_default_clock_snapshots
));
556 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
557 SET_TMP_PREFIX("trace-class-");
558 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
559 SET_TMP_PREFIX("pcf-pool-");
560 format_object_pool(buf_ch
, extended
, tmp_prefix
,
561 &stream_class
->packet_context_field_pool
);
564 static inline void format_event_class(char **buf_ch
, bool extended
,
565 const char *prefix
, const struct bt_event_class
*event_class
)
567 const struct bt_stream_class
*stream_class
;
568 const struct bt_trace_class
*trace_class
;
569 char tmp_prefix
[TMP_PREFIX_LEN
];
571 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(event_class
->id
));
573 if (event_class
->name
.value
) {
574 BUF_APPEND(", %sname=\"%s\"",
575 PRFIELD(event_class
->name
.value
));
582 BUF_APPEND(", %sis-frozen=%d", PRFIELD(event_class
->frozen
));
584 if (event_class
->log_level
.base
.avail
) {
585 BUF_APPEND(", %slog-level=%s",
586 PRFIELD(bt_common_event_class_log_level_string(
587 (int) event_class
->log_level
.value
)));
590 if (event_class
->emf_uri
.value
) {
591 BUF_APPEND(", %semf-uri=\"%s\"",
592 PRFIELD(event_class
->emf_uri
.value
));
595 BUF_APPEND(", %sspecific-context-fc-addr=%p, %spayload-fc-addr=%p",
596 PRFIELD(event_class
->specific_context_fc
),
597 PRFIELD(event_class
->payload_fc
));
599 stream_class
= bt_event_class_borrow_stream_class_const(event_class
);
604 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
605 SET_TMP_PREFIX("stream-class-");
606 format_stream_class(buf_ch
, false, tmp_prefix
, stream_class
);
607 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
612 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
613 SET_TMP_PREFIX("trace-class-");
614 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
615 SET_TMP_PREFIX("event-pool-");
616 format_object_pool(buf_ch
, extended
, tmp_prefix
,
617 &event_class
->event_pool
);
620 static inline void format_stream(char **buf_ch
, bool extended
,
621 const char *prefix
, const struct bt_stream
*stream
)
623 const struct bt_stream_class
*stream_class
;
624 const struct bt_trace_class
*trace_class
= NULL
;
625 const struct bt_trace
*trace
= NULL
;
626 char tmp_prefix
[TMP_PREFIX_LEN
];
628 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(stream
->id
));
630 if (stream
->name
.value
) {
631 BUF_APPEND(", %sname=\"%s\"", PRFIELD(stream
->name
.value
));
638 stream_class
= bt_stream_borrow_class_const(stream
);
640 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
641 SET_TMP_PREFIX("stream-class-");
642 format_stream_class(buf_ch
, false, tmp_prefix
, stream_class
);
643 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
647 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
648 SET_TMP_PREFIX("trace-class-");
649 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
652 trace
= bt_stream_borrow_trace_inline(stream
);
654 BUF_APPEND(", %strace-addr=%p", PRFIELD(trace
));
655 SET_TMP_PREFIX("trace-");
656 format_trace(buf_ch
, false, tmp_prefix
, trace
);
659 SET_TMP_PREFIX("packet-pool-");
660 format_object_pool(buf_ch
, extended
, tmp_prefix
, &stream
->packet_pool
);
663 static inline void format_packet(char **buf_ch
, bool extended
,
664 const char *prefix
, const struct bt_packet
*packet
)
666 const struct bt_stream
*stream
;
667 const struct bt_trace_class
*trace_class
;
668 char tmp_prefix
[TMP_PREFIX_LEN
];
674 BUF_APPEND(", %sis-frozen=%d, %scontext-field-addr=%p",
675 PRFIELD(packet
->frozen
),
676 PRFIELD(packet
->context_field
? packet
->context_field
->field
: NULL
));
677 stream
= bt_packet_borrow_stream_const(packet
);
682 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream
));
683 SET_TMP_PREFIX("stream-");
684 format_stream(buf_ch
, false, tmp_prefix
, stream
);
685 trace_class
= (const struct bt_trace_class
*) bt_object_borrow_parent(&stream
->base
);
690 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
691 SET_TMP_PREFIX("trace-class-");
692 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
695 static inline void format_event(char **buf_ch
, bool extended
,
696 const char *prefix
, const struct bt_event
*event
)
698 const struct bt_packet
*packet
;
699 const struct bt_stream
*stream
;
700 const struct bt_trace_class
*trace_class
;
701 const struct bt_stream_class
*stream_class
;
702 char tmp_prefix
[TMP_PREFIX_LEN
];
708 BUF_APPEND(", %sis-frozen=%d, "
709 "%scommon-context-field-addr=%p, "
710 "%sspecific-context-field-addr=%p, "
711 "%spayload-field-addr=%p, ",
712 PRFIELD(event
->frozen
),
713 PRFIELD(event
->common_context_field
),
714 PRFIELD(event
->specific_context_field
),
715 PRFIELD(event
->payload_field
));
716 BUF_APPEND(", %sevent-class-addr=%p", PRFIELD(event
->class));
722 SET_TMP_PREFIX("event-class-");
723 format_event_class(buf_ch
, false, tmp_prefix
, event
->class);
724 stream_class
= bt_event_class_borrow_stream_class(event
->class);
726 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
727 SET_TMP_PREFIX("stream-class-");
728 format_stream_class(buf_ch
, false, tmp_prefix
,
731 trace_class
= bt_stream_class_borrow_trace_class_inline(
734 BUF_APPEND(", %strace-class-addr=%p",
735 PRFIELD(trace_class
));
736 SET_TMP_PREFIX("trace-class-");
737 format_trace_class(buf_ch
, false, tmp_prefix
,
742 packet
= bt_event_borrow_packet_const(event
);
747 BUF_APPEND(", %spacket-addr=%p", PRFIELD(packet
));
748 SET_TMP_PREFIX("packet-");
749 format_packet(buf_ch
, false, tmp_prefix
, packet
);
750 stream
= bt_packet_borrow_stream_const(packet
);
755 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream
));
756 SET_TMP_PREFIX("stream-");
757 format_stream(buf_ch
, false, tmp_prefix
, stream
);
760 static inline void format_clock_class(char **buf_ch
, bool extended
,
761 const char *prefix
, const struct bt_clock_class
*clock_class
)
763 char tmp_prefix
[TMP_PREFIX_LEN
];
765 if (clock_class
->name
.value
) {
766 BUF_APPEND(", %sname=\"%s\"", PRFIELD(clock_class
->name
.value
));
769 BUF_APPEND(", %sfreq=%" PRIu64
, PRFIELD(clock_class
->frequency
));
775 if (clock_class
->description
.value
) {
776 BUF_APPEND(", %spartial-descr=\"%.32s\"",
777 PRFIELD(clock_class
->description
.value
));
780 if (clock_class
->uuid
.value
) {
781 BUF_APPEND_UUID(clock_class
->uuid
.value
);
784 BUF_APPEND(", %sis-frozen=%d, %sprecision=%" PRIu64
", "
785 "%soffset-s=%" PRId64
", "
786 "%soffset-cycles=%" PRIu64
", %sorigin-is-unix-epoch=%d, "
787 "%sbase-offset-ns=%" PRId64
,
788 PRFIELD(clock_class
->frozen
), PRFIELD(clock_class
->precision
),
789 PRFIELD(clock_class
->offset_seconds
),
790 PRFIELD(clock_class
->offset_cycles
),
791 PRFIELD(clock_class
->origin_is_unix_epoch
),
792 PRFIELD(clock_class
->base_offset
.value_ns
));
794 SET_TMP_PREFIX("cs-pool-");
795 format_object_pool(buf_ch
, extended
, tmp_prefix
,
796 &clock_class
->cs_pool
);
799 static inline void format_clock_snapshot(char **buf_ch
, bool extended
,
800 const char *prefix
, const struct bt_clock_snapshot
*clock_snapshot
)
802 char tmp_prefix
[TMP_PREFIX_LEN
];
803 BUF_APPEND(", %svalue=%" PRIu64
", %sns-from-origin=%" PRId64
,
804 PRFIELD(clock_snapshot
->value_cycles
),
805 PRFIELD(clock_snapshot
->ns_from_origin
));
811 BUF_APPEND(", %sis-set=%d", PRFIELD(clock_snapshot
->is_set
));
813 if (clock_snapshot
->clock_class
) {
814 BUF_APPEND(", %sclock-class-addr=%p",
815 PRFIELD(clock_snapshot
->clock_class
));
816 SET_TMP_PREFIX("clock-class-");
817 format_clock_class(buf_ch
, false, tmp_prefix
,
818 clock_snapshot
->clock_class
);
822 static inline void format_value(char **buf_ch
, bool extended
,
823 const char *prefix
, const struct bt_value
*value
)
825 BUF_APPEND(", %stype=%s",
826 PRFIELD(bt_common_value_type_string(bt_value_get_type(value
))));
832 switch (bt_value_get_type(value
)) {
833 case BT_VALUE_TYPE_BOOL
:
835 bt_bool val
= bt_value_bool_get(value
);
837 BUF_APPEND(", %svalue=%d", PRFIELD(val
));
840 case BT_VALUE_TYPE_UNSIGNED_INTEGER
:
842 BUF_APPEND(", %svalue=%" PRIu64
,
843 PRFIELD(bt_value_unsigned_integer_get(value
)));
846 case BT_VALUE_TYPE_SIGNED_INTEGER
:
848 BUF_APPEND(", %svalue=%" PRId64
,
849 PRFIELD(bt_value_signed_integer_get(value
)));
852 case BT_VALUE_TYPE_REAL
:
854 double val
= bt_value_real_get(value
);
856 BUF_APPEND(", %svalue=%f", PRFIELD(val
));
859 case BT_VALUE_TYPE_STRING
:
861 const char *val
= bt_value_string_get(value
);
863 BUF_APPEND(", %spartial-value=\"%.32s\"", PRFIELD(val
));
866 case BT_VALUE_TYPE_ARRAY
:
868 int64_t count
= bt_value_array_get_size(value
);
870 BT_ASSERT(count
>= 0);
871 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
874 case BT_VALUE_TYPE_MAP
:
876 int64_t count
= bt_value_map_get_size(value
);
878 BT_ASSERT(count
>= 0);
879 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
887 static inline void format_message(char **buf_ch
, bool extended
,
888 const char *prefix
, const struct bt_message
*msg
)
890 char tmp_prefix
[TMP_PREFIX_LEN
];
892 BUF_APPEND(", %stype=%s",
893 PRFIELD(bt_message_type_string(msg
->type
)));
899 BUF_APPEND(", %sis-frozen=%d, %sgraph-addr=%p",
900 PRFIELD(msg
->frozen
), PRFIELD(msg
->graph
));
903 case BT_MESSAGE_TYPE_EVENT
:
905 const struct bt_message_event
*msg_event
=
908 if (msg_event
->event
) {
909 SET_TMP_PREFIX("event-");
910 format_event(buf_ch
, true, tmp_prefix
,
914 if (msg_event
->default_cs
) {
915 SET_TMP_PREFIX("default-cs-");
916 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
917 msg_event
->default_cs
);
922 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
923 case BT_MESSAGE_TYPE_STREAM_END
:
925 const struct bt_message_stream
*msg_stream
= (const void *) msg
;
927 if (msg_stream
->stream
) {
928 SET_TMP_PREFIX("stream-");
929 format_stream(buf_ch
, true, tmp_prefix
,
935 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
936 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
938 const struct bt_message_stream_activity
*msg_stream_activity
=
941 if (msg_stream_activity
->stream
) {
942 SET_TMP_PREFIX("stream-");
943 format_stream(buf_ch
, true, tmp_prefix
,
944 msg_stream_activity
->stream
);
947 BUF_APPEND(", %sdefault-cs-state=%s",
948 PRFIELD(bt_message_stream_activity_clock_snapshot_state_string(
949 msg_stream_activity
->default_cs_state
)));
951 if (msg_stream_activity
->default_cs
) {
952 SET_TMP_PREFIX("default-cs-");
953 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
954 msg_stream_activity
->default_cs
);
959 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
960 case BT_MESSAGE_TYPE_PACKET_END
:
962 const struct bt_message_packet
*msg_packet
= (const void *) msg
;
964 if (msg_packet
->packet
) {
965 SET_TMP_PREFIX("packet-");
966 format_packet(buf_ch
, true, tmp_prefix
,
970 if (msg_packet
->default_cs
) {
971 SET_TMP_PREFIX("default-cs-");
972 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
973 msg_packet
->default_cs
);
978 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
979 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
981 const struct bt_message_discarded_items
*msg_disc_items
=
984 if (msg_disc_items
->stream
) {
985 SET_TMP_PREFIX("stream-");
986 format_stream(buf_ch
, true, tmp_prefix
,
987 msg_disc_items
->stream
);
990 if (msg_disc_items
->default_begin_cs
) {
991 SET_TMP_PREFIX("default-begin-cs-");
992 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
993 msg_disc_items
->default_begin_cs
);
996 if (msg_disc_items
->default_end_cs
) {
997 SET_TMP_PREFIX("default-end-cs-");
998 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
999 msg_disc_items
->default_end_cs
);
1002 if (msg_disc_items
->count
.base
.avail
) {
1003 BUF_APPEND(", %scount=%" PRIu64
,
1004 PRFIELD(msg_disc_items
->count
.value
));
1014 static inline void format_plugin_so_shared_lib_handle(char **buf_ch
,
1016 const struct bt_plugin_so_shared_lib_handle
*handle
)
1018 BUF_APPEND(", %saddr=%p", PRFIELD(handle
));
1021 BUF_APPEND(", %spath=\"%s\"", PRFIELD_GSTRING(handle
->path
));
1025 static inline void format_component_class(char **buf_ch
, bool extended
,
1027 const struct bt_component_class
*comp_class
)
1029 char tmp_prefix
[TMP_PREFIX_LEN
];
1031 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1032 PRFIELD(bt_component_class_type_string(comp_class
->type
)),
1033 PRFIELD_GSTRING(comp_class
->name
));
1035 if (comp_class
->description
) {
1036 BUF_APPEND(", %spartial-descr=\"%.32s\"",
1037 PRFIELD_GSTRING(comp_class
->description
));
1044 BUF_APPEND(", %sis-frozen=%d", PRFIELD(comp_class
->frozen
));
1046 if (comp_class
->so_handle
) {
1047 SET_TMP_PREFIX("so-handle-");
1048 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1049 comp_class
->so_handle
);
1053 static inline void format_component(char **buf_ch
, bool extended
,
1054 const char *prefix
, const struct bt_component
*component
)
1056 char tmp_prefix
[TMP_PREFIX_LEN
];
1058 BUF_APPEND(", %sname=\"%s\", %slog-level=%s",
1059 PRFIELD_GSTRING(component
->name
),
1060 PRFIELD(bt_common_logging_level_string(component
->log_level
)));
1062 if (component
->class) {
1063 SET_TMP_PREFIX("class-");
1064 format_component_class(buf_ch
, extended
, tmp_prefix
,
1072 if (component
->input_ports
) {
1073 BUF_APPEND(", %sinput-port-count=%u",
1074 PRFIELD(component
->input_ports
->len
));
1077 if (component
->output_ports
) {
1078 BUF_APPEND(", %soutput-port-count=%u",
1079 PRFIELD(component
->output_ports
->len
));
1083 static inline void format_port(char **buf_ch
, bool extended
,
1084 const char *prefix
, const struct bt_port
*port
)
1086 char tmp_prefix
[TMP_PREFIX_LEN
];
1088 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1089 PRFIELD(bt_port_type_string(port
->type
)),
1090 PRFIELD_GSTRING(port
->name
));
1096 if (port
->connection
) {
1097 SET_TMP_PREFIX("conn-");
1098 format_connection(buf_ch
, false, tmp_prefix
, port
->connection
);
1102 static inline void format_connection(char **buf_ch
, bool extended
,
1103 const char *prefix
, const struct bt_connection
*connection
)
1105 char tmp_prefix
[TMP_PREFIX_LEN
];
1111 if (connection
->upstream_port
) {
1112 SET_TMP_PREFIX("upstream-port-");
1113 format_port(buf_ch
, false, tmp_prefix
,
1114 connection
->upstream_port
);
1117 if (connection
->downstream_port
) {
1118 SET_TMP_PREFIX("downstream-port-");
1119 format_port(buf_ch
, false, tmp_prefix
,
1120 connection
->downstream_port
);
1124 static inline void format_graph(char **buf_ch
, bool extended
,
1125 const char *prefix
, const struct bt_graph
*graph
)
1127 char tmp_prefix
[TMP_PREFIX_LEN
];
1129 BUF_APPEND(", %sis-canceled=%d, %scan-consume=%d, "
1130 "%sconfig-state=%s",
1131 PRFIELD(graph
->canceled
),
1132 PRFIELD(graph
->can_consume
),
1133 PRFIELD(bt_graph_configuration_state_string(graph
->config_state
)));
1139 if (graph
->components
) {
1140 BUF_APPEND(", %scomp-count=%u",
1141 PRFIELD(graph
->components
->len
));
1144 if (graph
->connections
) {
1145 BUF_APPEND(", %sconn-count=%u",
1146 PRFIELD(graph
->connections
->len
));
1149 SET_TMP_PREFIX("en-pool-");
1150 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1151 &graph
->event_msg_pool
);
1152 SET_TMP_PREFIX("pbn-pool-");
1153 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1154 &graph
->packet_begin_msg_pool
);
1155 SET_TMP_PREFIX("pen-pool-");
1156 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1157 &graph
->packet_end_msg_pool
);
1160 static inline void format_message_iterator(char **buf_ch
,
1161 bool extended
, const char *prefix
,
1162 const struct bt_message_iterator
*iterator
)
1165 char tmp_prefix
[TMP_PREFIX_LEN
];
1167 if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
) {
1168 type
= "BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT";
1169 } else if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
) {
1170 type
= "BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT";
1175 BUF_APPEND(", %stype=%s", PRFIELD(type
));
1177 switch (iterator
->type
) {
1178 case BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
:
1180 const struct bt_self_component_port_input_message_iterator
*
1181 port_in_iter
= (const void *) iterator
;
1183 if (port_in_iter
->upstream_component
) {
1184 SET_TMP_PREFIX("upstream-comp-");
1185 format_component(buf_ch
, false, tmp_prefix
,
1186 port_in_iter
->upstream_component
);
1189 if (port_in_iter
->upstream_port
) {
1190 SET_TMP_PREFIX("upstream-port-");
1191 format_port(buf_ch
, false, tmp_prefix
,
1192 port_in_iter
->upstream_port
);
1195 if (port_in_iter
->connection
) {
1196 SET_TMP_PREFIX("upstream-conn-");
1197 format_connection(buf_ch
, false, tmp_prefix
,
1198 port_in_iter
->connection
);
1202 case BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
:
1204 const struct bt_port_output_message_iterator
*port_out_iter
=
1205 (const void *) iterator
;
1207 if (port_out_iter
->graph
) {
1208 SET_TMP_PREFIX("graph-");
1209 format_graph(buf_ch
, false, tmp_prefix
,
1210 port_out_iter
->graph
);
1213 if (port_out_iter
->colander
) {
1214 SET_TMP_PREFIX("colander-comp-");
1215 format_component(buf_ch
, false, tmp_prefix
,
1216 (void *) port_out_iter
->colander
);
1226 static inline void format_plugin(char **buf_ch
, bool extended
,
1227 const char *prefix
, const struct bt_plugin
*plugin
)
1229 char tmp_prefix
[TMP_PREFIX_LEN
];
1231 BUF_APPEND(", %stype=%s", PRFIELD(bt_plugin_type_string(plugin
->type
)));
1233 if (plugin
->info
.path_set
) {
1234 BUF_APPEND(", %spath=\"%s\"",
1235 PRFIELD_GSTRING(plugin
->info
.path
));
1238 if (plugin
->info
.name_set
) {
1239 BUF_APPEND(", %sname=\"%s\"",
1240 PRFIELD_GSTRING(plugin
->info
.name
));
1247 if (plugin
->info
.author_set
) {
1248 BUF_APPEND(", %sauthor=\"%s\"",
1249 PRFIELD_GSTRING(plugin
->info
.author
));
1252 if (plugin
->info
.license_set
) {
1253 BUF_APPEND(", %slicense=\"%s\"",
1254 PRFIELD_GSTRING(plugin
->info
.license
));
1257 if (plugin
->info
.version_set
) {
1258 BUF_APPEND(", %sversion=%u.%u.%u%s",
1259 PRFIELD(plugin
->info
.version
.major
),
1260 plugin
->info
.version
.minor
,
1261 plugin
->info
.version
.patch
,
1262 plugin
->info
.version
.extra
?
1263 plugin
->info
.version
.extra
->str
: "");
1266 BUF_APPEND(", %ssrc-comp-class-count=%u, %sflt-comp-class-count=%u, "
1267 "%ssink-comp-class-count=%u",
1268 PRFIELD(plugin
->src_comp_classes
->len
),
1269 PRFIELD(plugin
->flt_comp_classes
->len
),
1270 PRFIELD(plugin
->sink_comp_classes
->len
));
1272 if (plugin
->spec_data
) {
1273 const struct bt_plugin_so_spec_data
*spec_data
=
1274 (const void *) plugin
->spec_data
;
1276 if (spec_data
->shared_lib_handle
) {
1277 SET_TMP_PREFIX("so-handle-");
1278 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1279 spec_data
->shared_lib_handle
);
1284 static inline void format_error_cause(char **buf_ch
, bool extended
,
1285 const char *prefix
, const struct bt_error_cause
*cause
)
1287 const struct bt_error_cause_component_class_id
*comp_class_id
= NULL
;
1289 BUF_APPEND(", %sactor-type=%s, %smodule-name=\"%s\"",
1290 PRFIELD(bt_error_cause_actor_type_string(cause
->actor_type
)),
1291 PRFIELD_GSTRING(cause
->module_name
));
1297 BUF_APPEND(", %spartial-msg=\"%.32s\"",
1298 PRFIELD_GSTRING(cause
->message
));
1300 switch (cause
->actor_type
) {
1301 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT
:
1303 const struct bt_error_cause_component_actor
*spec_cause
=
1304 (const void *) cause
;
1306 BUF_APPEND(", %scomp-name=\"%s\"",
1307 PRFIELD_GSTRING(spec_cause
->comp_name
));
1308 comp_class_id
= &spec_cause
->comp_class_id
;
1311 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS
:
1313 const struct bt_error_cause_component_class_actor
*spec_cause
=
1314 (const void *) cause
;
1316 comp_class_id
= &spec_cause
->comp_class_id
;
1319 case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR
:
1321 const struct bt_error_cause_message_iterator_actor
*spec_cause
=
1322 (const void *) cause
;
1324 BUF_APPEND(", %scomp-name=\"%s\", %scomp-out-port-name=\"%s\"",
1325 PRFIELD_GSTRING(spec_cause
->comp_name
),
1326 PRFIELD_GSTRING(spec_cause
->output_port_name
));
1327 comp_class_id
= &spec_cause
->comp_class_id
;
1334 if (comp_class_id
) {
1335 BUF_APPEND(", %scomp-cls-type=%s, %scomp-cls-name=\"%s\", "
1336 "%splugin-name=\"%s\"",
1337 PRFIELD(bt_component_class_type_string(
1338 comp_class_id
->type
)),
1339 PRFIELD_GSTRING(comp_class_id
->name
),
1340 PRFIELD_GSTRING(comp_class_id
->plugin_name
));
1344 static inline void handle_conversion_specifier_bt(void *priv_data
,
1345 char **buf_ch
, size_t avail_size
,
1346 const char **out_fmt_ch
, va_list *args
)
1348 const char *fmt_ch
= *out_fmt_ch
;
1349 bool extended
= false;
1351 char *prefix_ch
= prefix
;
1357 if (*fmt_ch
== 'u') {
1359 obj
= va_arg(*args
, void *);
1360 format_uuid(buf_ch
, obj
);
1364 if (*fmt_ch
== '[') {
1369 if (*fmt_ch
== ']') {
1375 *prefix_ch
= *fmt_ch
;
1383 if (*fmt_ch
== '+') {
1388 obj
= va_arg(*args
, void *);
1389 BUF_APPEND("%saddr=%p", prefix
, obj
);
1397 format_field_class(buf_ch
, extended
, prefix
, obj
);
1400 format_field(buf_ch
, extended
, prefix
, obj
);
1403 format_field_path(buf_ch
, extended
, prefix
, obj
);
1406 format_event_class(buf_ch
, extended
, prefix
, obj
);
1409 format_event(buf_ch
, extended
, prefix
, obj
);
1412 format_stream_class(buf_ch
, extended
, prefix
, obj
);
1415 format_stream(buf_ch
, extended
, prefix
, obj
);
1418 format_packet(buf_ch
, extended
, prefix
, obj
);
1421 format_trace(buf_ch
, extended
, prefix
, obj
);
1424 format_trace_class(buf_ch
, extended
, prefix
, obj
);
1427 format_clock_class(buf_ch
, extended
, prefix
, obj
);
1430 format_clock_snapshot(buf_ch
, extended
, prefix
, obj
);
1433 format_value(buf_ch
, extended
, prefix
, obj
);
1436 format_message(buf_ch
, extended
, prefix
, obj
);
1439 format_message_iterator(buf_ch
, extended
, prefix
, obj
);
1442 format_component_class(buf_ch
, extended
, prefix
, obj
);
1445 format_component(buf_ch
, extended
, prefix
, obj
);
1448 format_port(buf_ch
, extended
, prefix
, obj
);
1451 format_connection(buf_ch
, extended
, prefix
, obj
);
1454 format_plugin(buf_ch
, extended
, prefix
, obj
);
1457 format_graph(buf_ch
, extended
, prefix
, obj
);
1460 format_object_pool(buf_ch
, extended
, prefix
, obj
);
1463 format_object(buf_ch
, extended
, prefix
, obj
);
1466 format_error_cause(buf_ch
, extended
, prefix
, obj
);
1474 *out_fmt_ch
= fmt_ch
;
1477 void bt_lib_log(const char *func
, const char *file
, unsigned line
,
1478 int lvl
, const char *tag
, const char *fmt
, ...)
1483 va_start(args
, fmt
);
1484 bt_common_custom_vsnprintf(lib_logging_buf
, LIB_LOGGING_BUF_SIZE
, '!',
1485 handle_conversion_specifier_bt
, NULL
, fmt
, &args
);
1487 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s", lib_logging_buf
);
1490 void bt_lib_maybe_log_and_append_cause(const char *func
, const char *file
,
1491 unsigned line
, int lvl
, const char *tag
,
1492 const char *fmt
, ...)
1495 bt_current_thread_error_append_cause_status status
;
1498 va_start(args
, fmt
);
1499 bt_common_custom_vsnprintf(lib_logging_buf
, LIB_LOGGING_BUF_SIZE
, '!',
1500 handle_conversion_specifier_bt
, NULL
, fmt
, &args
);
1503 /* Log conditionally, but always append the error cause */
1504 if (BT_LOG_ON(lvl
)) {
1505 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s",
1509 status
= bt_current_thread_error_append_cause_from_unknown(
1510 "Babeltrace library", file
, line
, "%s", lib_logging_buf
);
1513 * Worst case: this error cause is not appended to the
1514 * current thread's error.
1516 * We can accept this as it's an almost impossible
1517 * scenario and returning an error here would mean you
1518 * need to check the return value of each
1519 * BT_LIB_LOG*_APPEND_CAUSE() macro and that would be
1522 BT_LOGE("Cannot append error cause to current thread's "
1523 "error object: status=%s",
1524 bt_common_func_status_string(status
));