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
)
458 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace_class
->frozen
));
460 if (trace_class
->stream_classes
) {
461 BUF_APPEND(", %sstream-class-count=%u",
462 PRFIELD(trace_class
->stream_classes
->len
));
465 BUF_APPEND(", %sassigns-auto-sc-id=%d",
466 PRFIELD(trace_class
->assigns_automatic_stream_class_id
));
469 static inline void format_trace(char **buf_ch
, bool extended
,
470 const char *prefix
, const struct bt_trace
*trace
)
472 char tmp_prefix
[TMP_PREFIX_LEN
];
474 if (trace
->name
.value
) {
475 BUF_APPEND(", %sname=\"%s\"", PRFIELD(trace
->name
.value
));
482 if (trace
->uuid
.value
) {
483 BUF_APPEND_UUID(trace
->uuid
.value
);
486 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace
->frozen
));
488 if (trace
->streams
) {
489 BUF_APPEND(", %sstream-count=%u",
490 PRFIELD(trace
->streams
->len
));
497 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace
->class));
498 SET_TMP_PREFIX("trace-class-");
499 format_trace_class(buf_ch
, false, tmp_prefix
, trace
->class);
502 static inline void format_stream_class(char **buf_ch
, bool extended
,
504 const struct bt_stream_class
*stream_class
)
506 const struct bt_trace_class
*trace_class
;
507 char tmp_prefix
[TMP_PREFIX_LEN
];
509 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(stream_class
->id
));
511 if (stream_class
->name
.value
) {
512 BUF_APPEND(", %sname=\"%s\"",
513 PRFIELD(stream_class
->name
.value
));
520 BUF_APPEND(", %sis-frozen=%d", PRFIELD(stream_class
->frozen
));
522 if (stream_class
->event_classes
) {
523 BUF_APPEND(", %sevent-class-count=%u",
524 PRFIELD(stream_class
->event_classes
->len
));
527 BUF_APPEND(", %spacket-context-fc-addr=%p, "
528 "%sevent-common-context-fc-addr=%p",
529 PRFIELD(stream_class
->packet_context_fc
),
530 PRFIELD(stream_class
->event_common_context_fc
));
531 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
536 BUF_APPEND(", %sassigns-auto-ec-id=%d, %sassigns-auto-stream-id=%d, "
537 "%spackets-have-default-beginning-cs=%d, "
538 "%spackets-have-default-end-cs=%d, "
539 "%ssupports-discarded-events=%d, "
540 "%sdiscarded-events-have-default-cs=%d, "
541 "%ssupports-discarded-packets=%d, "
542 "%sdiscarded-packets-have-default-cs=%d",
543 PRFIELD(stream_class
->assigns_automatic_event_class_id
),
544 PRFIELD(stream_class
->assigns_automatic_stream_id
),
545 PRFIELD(stream_class
->packets_have_beginning_default_clock_snapshot
),
546 PRFIELD(stream_class
->packets_have_end_default_clock_snapshot
),
547 PRFIELD(stream_class
->supports_discarded_events
),
548 PRFIELD(stream_class
->discarded_events_have_default_clock_snapshots
),
549 PRFIELD(stream_class
->supports_discarded_packets
),
550 PRFIELD(stream_class
->discarded_packets_have_default_clock_snapshots
));
551 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
552 SET_TMP_PREFIX("trace-class-");
553 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
554 SET_TMP_PREFIX("pcf-pool-");
555 format_object_pool(buf_ch
, extended
, tmp_prefix
,
556 &stream_class
->packet_context_field_pool
);
559 static inline void format_event_class(char **buf_ch
, bool extended
,
560 const char *prefix
, const struct bt_event_class
*event_class
)
562 const struct bt_stream_class
*stream_class
;
563 const struct bt_trace_class
*trace_class
;
564 char tmp_prefix
[TMP_PREFIX_LEN
];
566 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(event_class
->id
));
568 if (event_class
->name
.value
) {
569 BUF_APPEND(", %sname=\"%s\"",
570 PRFIELD(event_class
->name
.value
));
577 BUF_APPEND(", %sis-frozen=%d", PRFIELD(event_class
->frozen
));
579 if (event_class
->log_level
.base
.avail
) {
580 BUF_APPEND(", %slog-level=%s",
581 PRFIELD(bt_common_event_class_log_level_string(
582 (int) event_class
->log_level
.value
)));
585 if (event_class
->emf_uri
.value
) {
586 BUF_APPEND(", %semf-uri=\"%s\"",
587 PRFIELD(event_class
->emf_uri
.value
));
590 BUF_APPEND(", %sspecific-context-fc-addr=%p, %spayload-fc-addr=%p",
591 PRFIELD(event_class
->specific_context_fc
),
592 PRFIELD(event_class
->payload_fc
));
594 stream_class
= bt_event_class_borrow_stream_class_const(event_class
);
599 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
600 SET_TMP_PREFIX("stream-class-");
601 format_stream_class(buf_ch
, false, tmp_prefix
, stream_class
);
602 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
607 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
608 SET_TMP_PREFIX("trace-class-");
609 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
610 SET_TMP_PREFIX("event-pool-");
611 format_object_pool(buf_ch
, extended
, tmp_prefix
,
612 &event_class
->event_pool
);
615 static inline void format_stream(char **buf_ch
, bool extended
,
616 const char *prefix
, const struct bt_stream
*stream
)
618 const struct bt_stream_class
*stream_class
;
619 const struct bt_trace_class
*trace_class
= NULL
;
620 const struct bt_trace
*trace
= NULL
;
621 char tmp_prefix
[TMP_PREFIX_LEN
];
623 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(stream
->id
));
625 if (stream
->name
.value
) {
626 BUF_APPEND(", %sname=\"%s\"", PRFIELD(stream
->name
.value
));
633 stream_class
= bt_stream_borrow_class_const(stream
);
635 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
636 SET_TMP_PREFIX("stream-class-");
637 format_stream_class(buf_ch
, false, tmp_prefix
, stream_class
);
638 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
642 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
643 SET_TMP_PREFIX("trace-class-");
644 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
647 trace
= bt_stream_borrow_trace_inline(stream
);
649 BUF_APPEND(", %strace-addr=%p", PRFIELD(trace
));
650 SET_TMP_PREFIX("trace-");
651 format_trace(buf_ch
, false, tmp_prefix
, trace
);
654 SET_TMP_PREFIX("packet-pool-");
655 format_object_pool(buf_ch
, extended
, tmp_prefix
, &stream
->packet_pool
);
658 static inline void format_packet(char **buf_ch
, bool extended
,
659 const char *prefix
, const struct bt_packet
*packet
)
661 const struct bt_stream
*stream
;
662 const struct bt_trace_class
*trace_class
;
663 char tmp_prefix
[TMP_PREFIX_LEN
];
669 BUF_APPEND(", %sis-frozen=%d, %scontext-field-addr=%p",
670 PRFIELD(packet
->frozen
),
671 PRFIELD(packet
->context_field
? packet
->context_field
->field
: NULL
));
672 stream
= bt_packet_borrow_stream_const(packet
);
677 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream
));
678 SET_TMP_PREFIX("stream-");
679 format_stream(buf_ch
, false, tmp_prefix
, stream
);
680 trace_class
= (const struct bt_trace_class
*) bt_object_borrow_parent(&stream
->base
);
685 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
686 SET_TMP_PREFIX("trace-class-");
687 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
690 static inline void format_event(char **buf_ch
, bool extended
,
691 const char *prefix
, const struct bt_event
*event
)
693 const struct bt_packet
*packet
;
694 const struct bt_stream
*stream
;
695 const struct bt_trace_class
*trace_class
;
696 const struct bt_stream_class
*stream_class
;
697 char tmp_prefix
[TMP_PREFIX_LEN
];
703 BUF_APPEND(", %sis-frozen=%d, "
704 "%scommon-context-field-addr=%p, "
705 "%sspecific-context-field-addr=%p, "
706 "%spayload-field-addr=%p, ",
707 PRFIELD(event
->frozen
),
708 PRFIELD(event
->common_context_field
),
709 PRFIELD(event
->specific_context_field
),
710 PRFIELD(event
->payload_field
));
711 BUF_APPEND(", %sevent-class-addr=%p", PRFIELD(event
->class));
717 SET_TMP_PREFIX("event-class-");
718 format_event_class(buf_ch
, false, tmp_prefix
, event
->class);
719 stream_class
= bt_event_class_borrow_stream_class(event
->class);
721 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
722 SET_TMP_PREFIX("stream-class-");
723 format_stream_class(buf_ch
, false, tmp_prefix
,
726 trace_class
= bt_stream_class_borrow_trace_class_inline(
729 BUF_APPEND(", %strace-class-addr=%p",
730 PRFIELD(trace_class
));
731 SET_TMP_PREFIX("trace-class-");
732 format_trace_class(buf_ch
, false, tmp_prefix
,
737 packet
= bt_event_borrow_packet_const(event
);
742 BUF_APPEND(", %spacket-addr=%p", PRFIELD(packet
));
743 SET_TMP_PREFIX("packet-");
744 format_packet(buf_ch
, false, tmp_prefix
, packet
);
745 stream
= bt_packet_borrow_stream_const(packet
);
750 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream
));
751 SET_TMP_PREFIX("stream-");
752 format_stream(buf_ch
, false, tmp_prefix
, stream
);
755 static inline void format_clock_class(char **buf_ch
, bool extended
,
756 const char *prefix
, const struct bt_clock_class
*clock_class
)
758 char tmp_prefix
[TMP_PREFIX_LEN
];
760 if (clock_class
->name
.value
) {
761 BUF_APPEND(", %sname=\"%s\"", PRFIELD(clock_class
->name
.value
));
764 BUF_APPEND(", %sfreq=%" PRIu64
, PRFIELD(clock_class
->frequency
));
770 if (clock_class
->description
.value
) {
771 BUF_APPEND(", %spartial-descr=\"%.32s\"",
772 PRFIELD(clock_class
->description
.value
));
775 if (clock_class
->uuid
.value
) {
776 BUF_APPEND_UUID(clock_class
->uuid
.value
);
779 BUF_APPEND(", %sis-frozen=%d, %sprecision=%" PRIu64
", "
780 "%soffset-s=%" PRId64
", "
781 "%soffset-cycles=%" PRIu64
", %sorigin-is-unix-epoch=%d, "
782 "%sbase-offset-ns=%" PRId64
,
783 PRFIELD(clock_class
->frozen
), PRFIELD(clock_class
->precision
),
784 PRFIELD(clock_class
->offset_seconds
),
785 PRFIELD(clock_class
->offset_cycles
),
786 PRFIELD(clock_class
->origin_is_unix_epoch
),
787 PRFIELD(clock_class
->base_offset
.value_ns
));
789 SET_TMP_PREFIX("cs-pool-");
790 format_object_pool(buf_ch
, extended
, tmp_prefix
,
791 &clock_class
->cs_pool
);
794 static inline void format_clock_snapshot(char **buf_ch
, bool extended
,
795 const char *prefix
, const struct bt_clock_snapshot
*clock_snapshot
)
797 char tmp_prefix
[TMP_PREFIX_LEN
];
798 BUF_APPEND(", %svalue=%" PRIu64
", %sns-from-origin=%" PRId64
,
799 PRFIELD(clock_snapshot
->value_cycles
),
800 PRFIELD(clock_snapshot
->ns_from_origin
));
806 BUF_APPEND(", %sis-set=%d", PRFIELD(clock_snapshot
->is_set
));
808 if (clock_snapshot
->clock_class
) {
809 BUF_APPEND(", %sclock-class-addr=%p",
810 PRFIELD(clock_snapshot
->clock_class
));
811 SET_TMP_PREFIX("clock-class-");
812 format_clock_class(buf_ch
, false, tmp_prefix
,
813 clock_snapshot
->clock_class
);
817 static inline void format_value(char **buf_ch
, bool extended
,
818 const char *prefix
, const struct bt_value
*value
)
820 BUF_APPEND(", %stype=%s",
821 PRFIELD(bt_common_value_type_string(bt_value_get_type(value
))));
827 switch (bt_value_get_type(value
)) {
828 case BT_VALUE_TYPE_BOOL
:
830 bt_bool val
= bt_value_bool_get(value
);
832 BUF_APPEND(", %svalue=%d", PRFIELD(val
));
835 case BT_VALUE_TYPE_UNSIGNED_INTEGER
:
837 BUF_APPEND(", %svalue=%" PRIu64
,
838 PRFIELD(bt_value_unsigned_integer_get(value
)));
841 case BT_VALUE_TYPE_SIGNED_INTEGER
:
843 BUF_APPEND(", %svalue=%" PRId64
,
844 PRFIELD(bt_value_signed_integer_get(value
)));
847 case BT_VALUE_TYPE_REAL
:
849 double val
= bt_value_real_get(value
);
851 BUF_APPEND(", %svalue=%f", PRFIELD(val
));
854 case BT_VALUE_TYPE_STRING
:
856 const char *val
= bt_value_string_get(value
);
858 BUF_APPEND(", %spartial-value=\"%.32s\"", PRFIELD(val
));
861 case BT_VALUE_TYPE_ARRAY
:
863 int64_t count
= bt_value_array_get_size(value
);
865 BT_ASSERT(count
>= 0);
866 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
869 case BT_VALUE_TYPE_MAP
:
871 int64_t count
= bt_value_map_get_size(value
);
873 BT_ASSERT(count
>= 0);
874 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
882 static inline void format_message(char **buf_ch
, bool extended
,
883 const char *prefix
, const struct bt_message
*msg
)
885 char tmp_prefix
[TMP_PREFIX_LEN
];
887 BUF_APPEND(", %stype=%s",
888 PRFIELD(bt_message_type_string(msg
->type
)));
894 BUF_APPEND(", %sis-frozen=%d, %sgraph-addr=%p",
895 PRFIELD(msg
->frozen
), PRFIELD(msg
->graph
));
898 case BT_MESSAGE_TYPE_EVENT
:
900 const struct bt_message_event
*msg_event
=
903 if (msg_event
->event
) {
904 SET_TMP_PREFIX("event-");
905 format_event(buf_ch
, true, tmp_prefix
,
909 if (msg_event
->default_cs
) {
910 SET_TMP_PREFIX("default-cs-");
911 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
912 msg_event
->default_cs
);
917 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
918 case BT_MESSAGE_TYPE_STREAM_END
:
920 const struct bt_message_stream
*msg_stream
= (const void *) msg
;
922 if (msg_stream
->stream
) {
923 SET_TMP_PREFIX("stream-");
924 format_stream(buf_ch
, true, tmp_prefix
,
930 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
931 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
933 const struct bt_message_stream_activity
*msg_stream_activity
=
936 if (msg_stream_activity
->stream
) {
937 SET_TMP_PREFIX("stream-");
938 format_stream(buf_ch
, true, tmp_prefix
,
939 msg_stream_activity
->stream
);
942 BUF_APPEND(", %sdefault-cs-state=%s",
943 PRFIELD(bt_message_stream_activity_clock_snapshot_state_string(
944 msg_stream_activity
->default_cs_state
)));
946 if (msg_stream_activity
->default_cs
) {
947 SET_TMP_PREFIX("default-cs-");
948 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
949 msg_stream_activity
->default_cs
);
954 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
955 case BT_MESSAGE_TYPE_PACKET_END
:
957 const struct bt_message_packet
*msg_packet
= (const void *) msg
;
959 if (msg_packet
->packet
) {
960 SET_TMP_PREFIX("packet-");
961 format_packet(buf_ch
, true, tmp_prefix
,
965 if (msg_packet
->default_cs
) {
966 SET_TMP_PREFIX("default-cs-");
967 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
968 msg_packet
->default_cs
);
973 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
974 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
976 const struct bt_message_discarded_items
*msg_disc_items
=
979 if (msg_disc_items
->stream
) {
980 SET_TMP_PREFIX("stream-");
981 format_stream(buf_ch
, true, tmp_prefix
,
982 msg_disc_items
->stream
);
985 if (msg_disc_items
->default_begin_cs
) {
986 SET_TMP_PREFIX("default-begin-cs-");
987 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
988 msg_disc_items
->default_begin_cs
);
991 if (msg_disc_items
->default_end_cs
) {
992 SET_TMP_PREFIX("default-end-cs-");
993 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
994 msg_disc_items
->default_end_cs
);
997 if (msg_disc_items
->count
.base
.avail
) {
998 BUF_APPEND(", %scount=%" PRIu64
,
999 PRFIELD(msg_disc_items
->count
.value
));
1009 static inline void format_plugin_so_shared_lib_handle(char **buf_ch
,
1011 const struct bt_plugin_so_shared_lib_handle
*handle
)
1013 BUF_APPEND(", %saddr=%p", PRFIELD(handle
));
1016 BUF_APPEND(", %spath=\"%s\"", PRFIELD_GSTRING(handle
->path
));
1020 static inline void format_component_class(char **buf_ch
, bool extended
,
1022 const struct bt_component_class
*comp_class
)
1024 char tmp_prefix
[TMP_PREFIX_LEN
];
1026 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1027 PRFIELD(bt_component_class_type_string(comp_class
->type
)),
1028 PRFIELD_GSTRING(comp_class
->name
));
1030 if (comp_class
->description
) {
1031 BUF_APPEND(", %spartial-descr=\"%.32s\"",
1032 PRFIELD_GSTRING(comp_class
->description
));
1039 BUF_APPEND(", %sis-frozen=%d", PRFIELD(comp_class
->frozen
));
1041 if (comp_class
->so_handle
) {
1042 SET_TMP_PREFIX("so-handle-");
1043 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1044 comp_class
->so_handle
);
1048 static inline void format_component(char **buf_ch
, bool extended
,
1049 const char *prefix
, const struct bt_component
*component
)
1051 char tmp_prefix
[TMP_PREFIX_LEN
];
1053 BUF_APPEND(", %sname=\"%s\", %slog-level=%s",
1054 PRFIELD_GSTRING(component
->name
),
1055 PRFIELD(bt_common_logging_level_string(component
->log_level
)));
1057 if (component
->class) {
1058 SET_TMP_PREFIX("class-");
1059 format_component_class(buf_ch
, extended
, tmp_prefix
,
1067 if (component
->input_ports
) {
1068 BUF_APPEND(", %sinput-port-count=%u",
1069 PRFIELD(component
->input_ports
->len
));
1072 if (component
->output_ports
) {
1073 BUF_APPEND(", %soutput-port-count=%u",
1074 PRFIELD(component
->output_ports
->len
));
1078 static inline void format_port(char **buf_ch
, bool extended
,
1079 const char *prefix
, const struct bt_port
*port
)
1081 char tmp_prefix
[TMP_PREFIX_LEN
];
1083 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1084 PRFIELD(bt_port_type_string(port
->type
)),
1085 PRFIELD_GSTRING(port
->name
));
1091 if (port
->connection
) {
1092 SET_TMP_PREFIX("conn-");
1093 format_connection(buf_ch
, false, tmp_prefix
, port
->connection
);
1097 static inline void format_connection(char **buf_ch
, bool extended
,
1098 const char *prefix
, const struct bt_connection
*connection
)
1100 char tmp_prefix
[TMP_PREFIX_LEN
];
1106 if (connection
->upstream_port
) {
1107 SET_TMP_PREFIX("upstream-port-");
1108 format_port(buf_ch
, false, tmp_prefix
,
1109 connection
->upstream_port
);
1112 if (connection
->downstream_port
) {
1113 SET_TMP_PREFIX("downstream-port-");
1114 format_port(buf_ch
, false, tmp_prefix
,
1115 connection
->downstream_port
);
1119 static inline void format_graph(char **buf_ch
, bool extended
,
1120 const char *prefix
, const struct bt_graph
*graph
)
1122 char tmp_prefix
[TMP_PREFIX_LEN
];
1124 BUF_APPEND(", %sis-canceled=%d, %scan-consume=%d, "
1125 "%sconfig-state=%s",
1126 PRFIELD(graph
->canceled
),
1127 PRFIELD(graph
->can_consume
),
1128 PRFIELD(bt_graph_configuration_state_string(graph
->config_state
)));
1134 if (graph
->components
) {
1135 BUF_APPEND(", %scomp-count=%u",
1136 PRFIELD(graph
->components
->len
));
1139 if (graph
->connections
) {
1140 BUF_APPEND(", %sconn-count=%u",
1141 PRFIELD(graph
->connections
->len
));
1144 SET_TMP_PREFIX("en-pool-");
1145 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1146 &graph
->event_msg_pool
);
1147 SET_TMP_PREFIX("pbn-pool-");
1148 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1149 &graph
->packet_begin_msg_pool
);
1150 SET_TMP_PREFIX("pen-pool-");
1151 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1152 &graph
->packet_end_msg_pool
);
1155 static inline void format_message_iterator(char **buf_ch
,
1156 bool extended
, const char *prefix
,
1157 const struct bt_message_iterator
*iterator
)
1160 char tmp_prefix
[TMP_PREFIX_LEN
];
1162 if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
) {
1163 type
= "BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT";
1164 } else if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
) {
1165 type
= "BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT";
1170 BUF_APPEND(", %stype=%s", PRFIELD(type
));
1172 switch (iterator
->type
) {
1173 case BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
:
1175 const struct bt_self_component_port_input_message_iterator
*
1176 port_in_iter
= (const void *) iterator
;
1178 if (port_in_iter
->upstream_component
) {
1179 SET_TMP_PREFIX("upstream-comp-");
1180 format_component(buf_ch
, false, tmp_prefix
,
1181 port_in_iter
->upstream_component
);
1184 if (port_in_iter
->upstream_port
) {
1185 SET_TMP_PREFIX("upstream-port-");
1186 format_port(buf_ch
, false, tmp_prefix
,
1187 port_in_iter
->upstream_port
);
1190 if (port_in_iter
->connection
) {
1191 SET_TMP_PREFIX("upstream-conn-");
1192 format_connection(buf_ch
, false, tmp_prefix
,
1193 port_in_iter
->connection
);
1197 case BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
:
1199 const struct bt_port_output_message_iterator
*port_out_iter
=
1200 (const void *) iterator
;
1202 if (port_out_iter
->graph
) {
1203 SET_TMP_PREFIX("graph-");
1204 format_graph(buf_ch
, false, tmp_prefix
,
1205 port_out_iter
->graph
);
1208 if (port_out_iter
->colander
) {
1209 SET_TMP_PREFIX("colander-comp-");
1210 format_component(buf_ch
, false, tmp_prefix
,
1211 (void *) port_out_iter
->colander
);
1221 static inline void format_plugin(char **buf_ch
, bool extended
,
1222 const char *prefix
, const struct bt_plugin
*plugin
)
1224 char tmp_prefix
[TMP_PREFIX_LEN
];
1226 BUF_APPEND(", %stype=%s", PRFIELD(bt_plugin_type_string(plugin
->type
)));
1228 if (plugin
->info
.path_set
) {
1229 BUF_APPEND(", %spath=\"%s\"",
1230 PRFIELD_GSTRING(plugin
->info
.path
));
1233 if (plugin
->info
.name_set
) {
1234 BUF_APPEND(", %sname=\"%s\"",
1235 PRFIELD_GSTRING(plugin
->info
.name
));
1242 if (plugin
->info
.author_set
) {
1243 BUF_APPEND(", %sauthor=\"%s\"",
1244 PRFIELD_GSTRING(plugin
->info
.author
));
1247 if (plugin
->info
.license_set
) {
1248 BUF_APPEND(", %slicense=\"%s\"",
1249 PRFIELD_GSTRING(plugin
->info
.license
));
1252 if (plugin
->info
.version_set
) {
1253 BUF_APPEND(", %sversion=%u.%u.%u%s",
1254 PRFIELD(plugin
->info
.version
.major
),
1255 plugin
->info
.version
.minor
,
1256 plugin
->info
.version
.patch
,
1257 plugin
->info
.version
.extra
?
1258 plugin
->info
.version
.extra
->str
: "");
1261 BUF_APPEND(", %ssrc-comp-class-count=%u, %sflt-comp-class-count=%u, "
1262 "%ssink-comp-class-count=%u",
1263 PRFIELD(plugin
->src_comp_classes
->len
),
1264 PRFIELD(plugin
->flt_comp_classes
->len
),
1265 PRFIELD(plugin
->sink_comp_classes
->len
));
1267 if (plugin
->spec_data
) {
1268 const struct bt_plugin_so_spec_data
*spec_data
=
1269 (const void *) plugin
->spec_data
;
1271 if (spec_data
->shared_lib_handle
) {
1272 SET_TMP_PREFIX("so-handle-");
1273 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1274 spec_data
->shared_lib_handle
);
1279 static inline void format_error_cause(char **buf_ch
, bool extended
,
1280 const char *prefix
, const struct bt_error_cause
*cause
)
1282 const struct bt_error_cause_component_class_id
*comp_class_id
= NULL
;
1284 BUF_APPEND(", %sactor-type=%s, %smodule-name=\"%s\"",
1285 PRFIELD(bt_error_cause_actor_type_string(cause
->actor_type
)),
1286 PRFIELD_GSTRING(cause
->module_name
));
1292 BUF_APPEND(", %spartial-msg=\"%.32s\"",
1293 PRFIELD_GSTRING(cause
->message
));
1295 switch (cause
->actor_type
) {
1296 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT
:
1298 const struct bt_error_cause_component_actor
*spec_cause
=
1299 (const void *) cause
;
1301 BUF_APPEND(", %scomp-name=\"%s\"",
1302 PRFIELD_GSTRING(spec_cause
->comp_name
));
1303 comp_class_id
= &spec_cause
->comp_class_id
;
1306 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS
:
1308 const struct bt_error_cause_component_class_actor
*spec_cause
=
1309 (const void *) cause
;
1311 comp_class_id
= &spec_cause
->comp_class_id
;
1314 case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR
:
1316 const struct bt_error_cause_message_iterator_actor
*spec_cause
=
1317 (const void *) cause
;
1319 BUF_APPEND(", %scomp-name=\"%s\", %scomp-out-port-name=\"%s\"",
1320 PRFIELD_GSTRING(spec_cause
->comp_name
),
1321 PRFIELD_GSTRING(spec_cause
->output_port_name
));
1322 comp_class_id
= &spec_cause
->comp_class_id
;
1329 if (comp_class_id
) {
1330 BUF_APPEND(", %scomp-cls-type=%s, %scomp-cls-name=\"%s\", "
1331 "%splugin-name=\"%s\"",
1332 PRFIELD(bt_component_class_type_string(
1333 comp_class_id
->type
)),
1334 PRFIELD_GSTRING(comp_class_id
->name
),
1335 PRFIELD_GSTRING(comp_class_id
->plugin_name
));
1339 static inline void handle_conversion_specifier_bt(void *priv_data
,
1340 char **buf_ch
, size_t avail_size
,
1341 const char **out_fmt_ch
, va_list *args
)
1343 const char *fmt_ch
= *out_fmt_ch
;
1344 bool extended
= false;
1346 char *prefix_ch
= prefix
;
1352 if (*fmt_ch
== 'u') {
1354 obj
= va_arg(*args
, void *);
1355 format_uuid(buf_ch
, obj
);
1359 if (*fmt_ch
== '[') {
1364 if (*fmt_ch
== ']') {
1370 *prefix_ch
= *fmt_ch
;
1378 if (*fmt_ch
== '+') {
1383 obj
= va_arg(*args
, void *);
1384 BUF_APPEND("%saddr=%p", prefix
, obj
);
1392 format_field_class(buf_ch
, extended
, prefix
, obj
);
1395 format_field(buf_ch
, extended
, prefix
, obj
);
1398 format_field_path(buf_ch
, extended
, prefix
, obj
);
1401 format_event_class(buf_ch
, extended
, prefix
, obj
);
1404 format_event(buf_ch
, extended
, prefix
, obj
);
1407 format_stream_class(buf_ch
, extended
, prefix
, obj
);
1410 format_stream(buf_ch
, extended
, prefix
, obj
);
1413 format_packet(buf_ch
, extended
, prefix
, obj
);
1416 format_trace(buf_ch
, extended
, prefix
, obj
);
1419 format_trace_class(buf_ch
, extended
, prefix
, obj
);
1422 format_clock_class(buf_ch
, extended
, prefix
, obj
);
1425 format_clock_snapshot(buf_ch
, extended
, prefix
, obj
);
1428 format_value(buf_ch
, extended
, prefix
, obj
);
1431 format_message(buf_ch
, extended
, prefix
, obj
);
1434 format_message_iterator(buf_ch
, extended
, prefix
, obj
);
1437 format_component_class(buf_ch
, extended
, prefix
, obj
);
1440 format_component(buf_ch
, extended
, prefix
, obj
);
1443 format_port(buf_ch
, extended
, prefix
, obj
);
1446 format_connection(buf_ch
, extended
, prefix
, obj
);
1449 format_plugin(buf_ch
, extended
, prefix
, obj
);
1452 format_graph(buf_ch
, extended
, prefix
, obj
);
1455 format_object_pool(buf_ch
, extended
, prefix
, obj
);
1458 format_object(buf_ch
, extended
, prefix
, obj
);
1461 format_error_cause(buf_ch
, extended
, prefix
, obj
);
1469 *out_fmt_ch
= fmt_ch
;
1472 void bt_lib_log(const char *func
, const char *file
, unsigned line
,
1473 int lvl
, const char *tag
, const char *fmt
, ...)
1478 va_start(args
, fmt
);
1479 bt_common_custom_vsnprintf(lib_logging_buf
, LIB_LOGGING_BUF_SIZE
, '!',
1480 handle_conversion_specifier_bt
, NULL
, fmt
, &args
);
1482 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s", lib_logging_buf
);
1485 void bt_lib_maybe_log_and_append_cause(const char *func
, const char *file
,
1486 unsigned line
, int lvl
, const char *tag
,
1487 const char *fmt
, ...)
1490 bt_current_thread_error_append_cause_status status
;
1493 va_start(args
, fmt
);
1494 bt_common_custom_vsnprintf(lib_logging_buf
, LIB_LOGGING_BUF_SIZE
, '!',
1495 handle_conversion_specifier_bt
, NULL
, fmt
, &args
);
1498 /* Log conditionally, but always append the error cause */
1499 if (BT_LOG_ON(lvl
)) {
1500 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s",
1504 status
= bt_current_thread_error_append_cause_from_unknown(
1505 "Babeltrace library", file
, line
, "%s", lib_logging_buf
);
1508 * Worst case: this error cause is not appended to the
1509 * current thread's error.
1511 * We can accept this as it's an almost impossible
1512 * scenario and returning an error here would mean you
1513 * need to check the return value of each
1514 * BT_LIB_LOG*_APPEND_CAUSE() macro and that would be
1517 BT_LOGE("Cannot append error cause to current thread's "
1518 "error object: status=%s",
1519 bt_common_func_status_string(status
));