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.h"
60 #include "graph/port.h"
61 #include "plugin/plugin.h"
62 #include "plugin/plugin-so.h"
63 #include "trace-ir/clock-class.h"
64 #include "trace-ir/clock-snapshot.h"
65 #include "trace-ir/event-class.h"
66 #include "trace-ir/event.h"
67 #include "trace-ir/field-class.h"
68 #include "trace-ir/field.h"
69 #include "trace-ir/field-path.h"
70 #include "trace-ir/packet.h"
71 #include "trace-ir/stream-class.h"
72 #include "trace-ir/stream.h"
73 #include "trace-ir/trace-class.h"
74 #include "trace-ir/trace.h"
75 #include "trace-ir/utils.h"
77 #include "assert-pre.h"
79 #define LIB_LOGGING_BUF_SIZE (4096 * 4)
81 static __thread
char lib_logging_buf
[LIB_LOGGING_BUF_SIZE
];
83 #define BUF_APPEND(_fmt, ...) \
86 size_t _size = LIB_LOGGING_BUF_SIZE - \
87 (size_t) (*buf_ch - lib_logging_buf); \
88 _count = snprintf(*buf_ch, _size, (_fmt), __VA_ARGS__); \
89 BT_ASSERT(_count >= 0); \
90 *buf_ch += MIN(_count, _size); \
91 if (*buf_ch >= lib_logging_buf + LIB_LOGGING_BUF_SIZE - 1) { \
96 #define BUF_APPEND_UUID(_uuid) \
98 BUF_APPEND(", %suuid=", prefix); \
99 format_uuid(buf_ch, (_uuid)); \
102 #define PRFIELD(_expr) prefix, (_expr)
104 #define PRFIELD_GSTRING(_expr) PRFIELD((_expr) ? (_expr)->str : NULL)
106 #define TMP_PREFIX_LEN 64
107 #define SET_TMP_PREFIX(_prefix2) \
109 snprintf(tmp_prefix, TMP_PREFIX_LEN - 1, "%s%s", \
110 prefix, (_prefix2)); \
111 tmp_prefix[TMP_PREFIX_LEN - 1] = '\0'; \
114 static inline void format_component(char **buf_ch
, bool extended
,
115 const char *prefix
, const struct bt_component
*component
);
117 static inline void format_port(char **buf_ch
, bool extended
,
118 const char *prefix
, const struct bt_port
*port
);
120 static inline void format_connection(char **buf_ch
, bool extended
,
121 const char *prefix
, const struct bt_connection
*connection
);
123 static inline void format_clock_snapshot(char **buf_ch
, bool extended
,
124 const char *prefix
, const struct bt_clock_snapshot
*clock_snapshot
);
126 static inline void format_field_path(char **buf_ch
, bool extended
,
127 const char *prefix
, const struct bt_field_path
*field_path
);
129 static inline void format_object(char **buf_ch
, bool extended
,
130 const char *prefix
, const struct bt_object
*obj
)
132 BUF_APPEND(", %sref-count=%llu", prefix
, obj
->ref_count
);
135 static inline void format_uuid(char **buf_ch
, bt_uuid uuid
)
137 BUF_APPEND("\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
138 (unsigned int) uuid
[0],
139 (unsigned int) uuid
[1],
140 (unsigned int) uuid
[2],
141 (unsigned int) uuid
[3],
142 (unsigned int) uuid
[4],
143 (unsigned int) uuid
[5],
144 (unsigned int) uuid
[6],
145 (unsigned int) uuid
[7],
146 (unsigned int) uuid
[8],
147 (unsigned int) uuid
[9],
148 (unsigned int) uuid
[10],
149 (unsigned int) uuid
[11],
150 (unsigned int) uuid
[12],
151 (unsigned int) uuid
[13],
152 (unsigned int) uuid
[14],
153 (unsigned int) uuid
[15]);
156 static inline void format_object_pool(char **buf_ch
, bool extended
,
157 const char *prefix
, const struct bt_object_pool
*pool
)
159 BUF_APPEND(", %ssize=%zu", PRFIELD(pool
->size
));
162 BUF_APPEND(", %scap=%u", PRFIELD(pool
->objects
->len
));
166 static inline void format_integer_field_class(char **buf_ch
,
167 bool extended
, const char *prefix
,
168 const struct bt_field_class
*field_class
)
170 const struct bt_field_class_integer
*int_fc
=
171 (const void *) field_class
;
173 BUF_APPEND(", %srange-size=%" PRIu64
", %sbase=%s",
174 PRFIELD(int_fc
->range
),
175 PRFIELD(bt_common_field_class_integer_preferred_display_base_string(int_fc
->base
)));
178 static inline void format_array_field_class(char **buf_ch
,
179 bool extended
, const char *prefix
,
180 const struct bt_field_class
*field_class
)
182 const struct bt_field_class_array
*array_fc
=
183 (const void *) field_class
;
185 BUF_APPEND(", %selement-fc-addr=%p, %selement-fc-type=%s",
186 PRFIELD(array_fc
->element_fc
),
187 PRFIELD(bt_common_field_class_type_string(array_fc
->element_fc
->type
)));
190 static inline void format_field_class(char **buf_ch
, bool extended
,
191 const char *prefix
, const struct bt_field_class
*field_class
)
193 char tmp_prefix
[TMP_PREFIX_LEN
];
195 BUF_APPEND(", %stype=%s",
196 PRFIELD(bt_common_field_class_type_string(field_class
->type
)));
199 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field_class
->frozen
));
200 BUF_APPEND(", %sis-part-of-trace-class=%d",
201 PRFIELD(field_class
->part_of_trace_class
));
206 switch (field_class
->type
) {
207 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
208 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
210 format_integer_field_class(buf_ch
, extended
, prefix
, field_class
);
213 case BT_FIELD_CLASS_TYPE_REAL
:
215 const struct bt_field_class_real
*real_fc
= (void *) field_class
;
217 BUF_APPEND(", %sis-single-precision=%d",
218 PRFIELD(real_fc
->is_single_precision
));
221 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
222 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
224 const struct bt_field_class_enumeration
*enum_fc
=
225 (const void *) field_class
;
227 format_integer_field_class(buf_ch
, extended
, prefix
, field_class
);
228 BUF_APPEND(", %smapping-count=%u",
229 PRFIELD(enum_fc
->mappings
->len
));
232 case BT_FIELD_CLASS_TYPE_STRUCTURE
:
234 const struct bt_field_class_structure
*struct_fc
=
235 (const void *) field_class
;
237 if (struct_fc
->common
.named_fcs
) {
238 BUF_APPEND(", %smember-count=%u",
239 PRFIELD(struct_fc
->common
.named_fcs
->len
));
244 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
246 const struct bt_field_class_static_array
*array_fc
=
247 (const void *) field_class
;
249 format_array_field_class(buf_ch
, extended
, prefix
, field_class
);
250 BUF_APPEND(", %slength=%" PRIu64
, PRFIELD(array_fc
->length
));
253 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
255 const struct bt_field_class_dynamic_array
*array_fc
=
256 (const void *) field_class
;
258 format_array_field_class(buf_ch
, extended
, prefix
, field_class
);
260 if (array_fc
->length_fc
) {
261 SET_TMP_PREFIX("length-fc-");
262 format_field_class(buf_ch
, extended
, tmp_prefix
,
263 array_fc
->length_fc
);
266 if (array_fc
->length_field_path
) {
267 SET_TMP_PREFIX("length-field-path-");
268 format_field_path(buf_ch
, extended
, tmp_prefix
,
269 array_fc
->length_field_path
);
274 case BT_FIELD_CLASS_TYPE_VARIANT
:
276 const struct bt_field_class_variant
*var_fc
=
277 (const void *) field_class
;
279 if (var_fc
->common
.named_fcs
) {
280 BUF_APPEND(", %soption-count=%u",
281 PRFIELD(var_fc
->common
.named_fcs
->len
));
284 if (var_fc
->selector_fc
) {
285 SET_TMP_PREFIX("selector-fc-");
286 format_field_class(buf_ch
, extended
, tmp_prefix
,
287 var_fc
->selector_fc
);
290 if (var_fc
->selector_field_path
) {
291 SET_TMP_PREFIX("selector-field-path-");
292 format_field_path(buf_ch
, extended
, tmp_prefix
,
293 var_fc
->selector_field_path
);
303 static inline void format_field_integer_extended(char **buf_ch
,
304 const char *prefix
, const struct bt_field
*field
)
306 const struct bt_field_integer
*integer
= (void *) field
;
307 const struct bt_field_class_integer
*field_class
=
308 (void *) field
->class;
309 const char *fmt
= NULL
;
311 BT_ASSERT(field_class
);
313 if (field_class
->base
== BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
) {
314 fmt
= ", %svalue=%" PRIo64
;
315 } else if (field_class
->base
== BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
) {
316 fmt
= ", %svalue=%" PRIx64
;
319 if (field_class
->common
.type
== BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
||
320 field_class
->common
.type
== BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
) {
322 fmt
= ", %svalue=%" PRId64
;
325 BUF_APPEND(fmt
, PRFIELD(integer
->value
.i
));
328 fmt
= ", %svalue=%" PRIu64
;
331 BUF_APPEND(fmt
, PRFIELD(integer
->value
.u
));
335 static inline void format_field(char **buf_ch
, bool extended
,
336 const char *prefix
, const struct bt_field
*field
)
338 BUF_APPEND(", %sis-set=%d", PRFIELD(field
->is_set
));
341 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field
->frozen
));
344 BUF_APPEND(", %sclass-addr=%p", PRFIELD(field
->class));
350 BUF_APPEND(", %sclass-type=%s",
351 PRFIELD(bt_common_field_class_type_string(field
->class->type
)));
353 if (!extended
|| !field
->is_set
) {
357 switch (field
->class->type
) {
358 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
359 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
360 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
361 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
363 format_field_integer_extended(buf_ch
, prefix
, field
);
366 case BT_FIELD_CLASS_TYPE_REAL
:
368 const struct bt_field_real
*real_field
= (const void *) field
;
370 BUF_APPEND(", %svalue=%f", PRFIELD(real_field
->value
));
373 case BT_FIELD_CLASS_TYPE_STRING
:
375 const struct bt_field_string
*str
= (const void *) field
;
378 BT_ASSERT(str
->buf
->data
);
379 BUF_APPEND(", %spartial-value=\"%.32s\"",
380 PRFIELD(str
->buf
->data
));
385 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
386 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
388 const struct bt_field_array
*array_field
= (const void *) field
;
390 BUF_APPEND(", %slength=%" PRIu64
, PRFIELD(array_field
->length
));
392 if (array_field
->fields
) {
393 BUF_APPEND(", %sallocated-length=%u",
394 PRFIELD(array_field
->fields
->len
));
399 case BT_FIELD_CLASS_TYPE_VARIANT
:
401 const struct bt_field_variant
*var_field
= (const void *) field
;
403 BUF_APPEND(", %sselected-field-index=%" PRIu64
,
404 PRFIELD(var_field
->selected_index
));
412 static inline void format_field_path(char **buf_ch
, bool extended
,
413 const char *prefix
, const struct bt_field_path
*field_path
)
417 if (field_path
->items
) {
418 BT_ASSERT(field_path
->items
);
419 BUF_APPEND(", %sitem-count=%u",
420 PRFIELD(field_path
->items
->len
));
423 if (!extended
|| !field_path
->items
) {
427 BUF_APPEND(", %spath=[%s",
428 PRFIELD(bt_common_scope_string(field_path
->root
)));
430 for (i
= 0; i
< bt_field_path_get_item_count(field_path
); i
++) {
431 const struct bt_field_path_item
*fp_item
=
432 bt_field_path_borrow_item_by_index_const(field_path
, i
);
434 switch (bt_field_path_item_get_type(fp_item
)) {
435 case BT_FIELD_PATH_ITEM_TYPE_INDEX
:
436 BUF_APPEND(", %" PRIu64
,
437 bt_field_path_item_index_get_index(fp_item
));
439 case BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT
:
440 BUF_APPEND("%s", ", <CUR>");
447 BUF_APPEND("%s", "]");
450 static inline void format_trace_class(char **buf_ch
, bool extended
,
451 const char *prefix
, const struct bt_trace_class
*trace_class
)
457 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace_class
->frozen
));
459 if (trace_class
->stream_classes
) {
460 BUF_APPEND(", %sstream-class-count=%u",
461 PRFIELD(trace_class
->stream_classes
->len
));
464 BUF_APPEND(", %sassigns-auto-sc-id=%d",
465 PRFIELD(trace_class
->assigns_automatic_stream_class_id
));
468 static inline void format_trace(char **buf_ch
, bool extended
,
469 const char *prefix
, const struct bt_trace
*trace
)
471 char tmp_prefix
[TMP_PREFIX_LEN
];
473 if (trace
->name
.value
) {
474 BUF_APPEND(", %sname=\"%s\"", PRFIELD(trace
->name
.value
));
481 if (trace
->uuid
.value
) {
482 BUF_APPEND_UUID(trace
->uuid
.value
);
485 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace
->frozen
));
487 if (trace
->streams
) {
488 BUF_APPEND(", %sstream-count=%u",
489 PRFIELD(trace
->streams
->len
));
496 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace
->class));
497 SET_TMP_PREFIX("trace-class-");
498 format_trace_class(buf_ch
, false, tmp_prefix
, trace
->class);
501 static inline void format_stream_class(char **buf_ch
, bool extended
,
503 const struct bt_stream_class
*stream_class
)
505 const struct bt_trace_class
*trace_class
;
506 char tmp_prefix
[TMP_PREFIX_LEN
];
508 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(stream_class
->id
));
510 if (stream_class
->name
.value
) {
511 BUF_APPEND(", %sname=\"%s\"",
512 PRFIELD(stream_class
->name
.value
));
519 BUF_APPEND(", %sis-frozen=%d", PRFIELD(stream_class
->frozen
));
521 if (stream_class
->event_classes
) {
522 BUF_APPEND(", %sevent-class-count=%u",
523 PRFIELD(stream_class
->event_classes
->len
));
526 BUF_APPEND(", %spacket-context-fc-addr=%p, "
527 "%sevent-common-context-fc-addr=%p",
528 PRFIELD(stream_class
->packet_context_fc
),
529 PRFIELD(stream_class
->event_common_context_fc
));
530 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
535 BUF_APPEND(", %sassigns-auto-ec-id=%d, %sassigns-auto-stream-id=%d, "
536 "%spackets-have-default-beginning-cs=%d, "
537 "%spackets-have-default-end-cs=%d, "
538 "%ssupports-discarded-events=%d, "
539 "%sdiscarded-events-have-default-cs=%d, "
540 "%ssupports-discarded-packets=%d, "
541 "%sdiscarded-packets-have-default-cs=%d",
542 PRFIELD(stream_class
->assigns_automatic_event_class_id
),
543 PRFIELD(stream_class
->assigns_automatic_stream_id
),
544 PRFIELD(stream_class
->packets_have_beginning_default_clock_snapshot
),
545 PRFIELD(stream_class
->packets_have_end_default_clock_snapshot
),
546 PRFIELD(stream_class
->supports_discarded_events
),
547 PRFIELD(stream_class
->discarded_events_have_default_clock_snapshots
),
548 PRFIELD(stream_class
->supports_discarded_packets
),
549 PRFIELD(stream_class
->discarded_packets_have_default_clock_snapshots
));
550 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
551 SET_TMP_PREFIX("trace-class-");
552 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
553 SET_TMP_PREFIX("pcf-pool-");
554 format_object_pool(buf_ch
, extended
, tmp_prefix
,
555 &stream_class
->packet_context_field_pool
);
558 static inline void format_event_class(char **buf_ch
, bool extended
,
559 const char *prefix
, const struct bt_event_class
*event_class
)
561 const struct bt_stream_class
*stream_class
;
562 const struct bt_trace_class
*trace_class
;
563 char tmp_prefix
[TMP_PREFIX_LEN
];
565 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(event_class
->id
));
567 if (event_class
->name
.value
) {
568 BUF_APPEND(", %sname=\"%s\"",
569 PRFIELD(event_class
->name
.value
));
576 BUF_APPEND(", %sis-frozen=%d", PRFIELD(event_class
->frozen
));
578 if (event_class
->log_level
.base
.avail
) {
579 BUF_APPEND(", %slog-level=%s",
580 PRFIELD(bt_common_event_class_log_level_string(
581 (int) event_class
->log_level
.value
)));
584 if (event_class
->emf_uri
.value
) {
585 BUF_APPEND(", %semf-uri=\"%s\"",
586 PRFIELD(event_class
->emf_uri
.value
));
589 BUF_APPEND(", %sspecific-context-fc-addr=%p, %spayload-fc-addr=%p",
590 PRFIELD(event_class
->specific_context_fc
),
591 PRFIELD(event_class
->payload_fc
));
593 stream_class
= bt_event_class_borrow_stream_class_const(event_class
);
598 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
599 SET_TMP_PREFIX("stream-class-");
600 format_stream_class(buf_ch
, false, tmp_prefix
, stream_class
);
601 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
606 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
607 SET_TMP_PREFIX("trace-class-");
608 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
609 SET_TMP_PREFIX("event-pool-");
610 format_object_pool(buf_ch
, extended
, tmp_prefix
,
611 &event_class
->event_pool
);
614 static inline void format_stream(char **buf_ch
, bool extended
,
615 const char *prefix
, const struct bt_stream
*stream
)
617 const struct bt_stream_class
*stream_class
;
618 const struct bt_trace_class
*trace_class
= NULL
;
619 const struct bt_trace
*trace
= NULL
;
620 char tmp_prefix
[TMP_PREFIX_LEN
];
622 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(stream
->id
));
624 if (stream
->name
.value
) {
625 BUF_APPEND(", %sname=\"%s\"", PRFIELD(stream
->name
.value
));
632 stream_class
= bt_stream_borrow_class_const(stream
);
634 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
635 SET_TMP_PREFIX("stream-class-");
636 format_stream_class(buf_ch
, false, tmp_prefix
, stream_class
);
637 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
641 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
642 SET_TMP_PREFIX("trace-class-");
643 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
646 trace
= bt_stream_borrow_trace_inline(stream
);
648 BUF_APPEND(", %strace-addr=%p", PRFIELD(trace
));
649 SET_TMP_PREFIX("trace-");
650 format_trace(buf_ch
, false, tmp_prefix
, trace
);
653 SET_TMP_PREFIX("packet-pool-");
654 format_object_pool(buf_ch
, extended
, tmp_prefix
, &stream
->packet_pool
);
657 static inline void format_packet(char **buf_ch
, bool extended
,
658 const char *prefix
, const struct bt_packet
*packet
)
660 const struct bt_stream
*stream
;
661 const struct bt_trace_class
*trace_class
;
662 char tmp_prefix
[TMP_PREFIX_LEN
];
668 BUF_APPEND(", %sis-frozen=%d, %scontext-field-addr=%p",
669 PRFIELD(packet
->frozen
),
670 PRFIELD(packet
->context_field
? packet
->context_field
->field
: NULL
));
671 stream
= bt_packet_borrow_stream_const(packet
);
676 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream
));
677 SET_TMP_PREFIX("stream-");
678 format_stream(buf_ch
, false, tmp_prefix
, stream
);
679 trace_class
= (const struct bt_trace_class
*) bt_object_borrow_parent(&stream
->base
);
684 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class
));
685 SET_TMP_PREFIX("trace-class-");
686 format_trace_class(buf_ch
, false, tmp_prefix
, trace_class
);
689 static inline void format_event(char **buf_ch
, bool extended
,
690 const char *prefix
, const struct bt_event
*event
)
692 const struct bt_packet
*packet
;
693 const struct bt_stream
*stream
;
694 const struct bt_trace_class
*trace_class
;
695 const struct bt_stream_class
*stream_class
;
696 char tmp_prefix
[TMP_PREFIX_LEN
];
702 BUF_APPEND(", %sis-frozen=%d, "
703 "%scommon-context-field-addr=%p, "
704 "%sspecific-context-field-addr=%p, "
705 "%spayload-field-addr=%p, ",
706 PRFIELD(event
->frozen
),
707 PRFIELD(event
->common_context_field
),
708 PRFIELD(event
->specific_context_field
),
709 PRFIELD(event
->payload_field
));
710 BUF_APPEND(", %sevent-class-addr=%p", PRFIELD(event
->class));
716 SET_TMP_PREFIX("event-class-");
717 format_event_class(buf_ch
, false, tmp_prefix
, event
->class);
718 stream_class
= bt_event_class_borrow_stream_class(event
->class);
720 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
721 SET_TMP_PREFIX("stream-class-");
722 format_stream_class(buf_ch
, false, tmp_prefix
,
725 trace_class
= bt_stream_class_borrow_trace_class_inline(
728 BUF_APPEND(", %strace-class-addr=%p",
729 PRFIELD(trace_class
));
730 SET_TMP_PREFIX("trace-class-");
731 format_trace_class(buf_ch
, false, tmp_prefix
,
736 packet
= bt_event_borrow_packet_const(event
);
741 BUF_APPEND(", %spacket-addr=%p", PRFIELD(packet
));
742 SET_TMP_PREFIX("packet-");
743 format_packet(buf_ch
, false, tmp_prefix
, packet
);
744 stream
= bt_packet_borrow_stream_const(packet
);
749 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream
));
750 SET_TMP_PREFIX("stream-");
751 format_stream(buf_ch
, false, tmp_prefix
, stream
);
754 static inline void format_clock_class(char **buf_ch
, bool extended
,
755 const char *prefix
, const struct bt_clock_class
*clock_class
)
757 char tmp_prefix
[TMP_PREFIX_LEN
];
759 if (clock_class
->name
.value
) {
760 BUF_APPEND(", %sname=\"%s\"", PRFIELD(clock_class
->name
.value
));
763 BUF_APPEND(", %sfreq=%" PRIu64
, PRFIELD(clock_class
->frequency
));
769 if (clock_class
->description
.value
) {
770 BUF_APPEND(", %spartial-descr=\"%.32s\"",
771 PRFIELD(clock_class
->description
.value
));
774 if (clock_class
->uuid
.value
) {
775 BUF_APPEND_UUID(clock_class
->uuid
.value
);
778 BUF_APPEND(", %sis-frozen=%d, %sprecision=%" PRIu64
", "
779 "%soffset-s=%" PRId64
", "
780 "%soffset-cycles=%" PRIu64
", %sorigin-is-unix-epoch=%d, "
781 "%sbase-offset-ns=%" PRId64
,
782 PRFIELD(clock_class
->frozen
), PRFIELD(clock_class
->precision
),
783 PRFIELD(clock_class
->offset_seconds
),
784 PRFIELD(clock_class
->offset_cycles
),
785 PRFIELD(clock_class
->origin_is_unix_epoch
),
786 PRFIELD(clock_class
->base_offset
.value_ns
));
788 SET_TMP_PREFIX("cs-pool-");
789 format_object_pool(buf_ch
, extended
, tmp_prefix
,
790 &clock_class
->cs_pool
);
793 static inline void format_clock_snapshot(char **buf_ch
, bool extended
,
794 const char *prefix
, const struct bt_clock_snapshot
*clock_snapshot
)
796 char tmp_prefix
[TMP_PREFIX_LEN
];
797 BUF_APPEND(", %svalue=%" PRIu64
", %sns-from-origin=%" PRId64
,
798 PRFIELD(clock_snapshot
->value_cycles
),
799 PRFIELD(clock_snapshot
->ns_from_origin
));
805 BUF_APPEND(", %sis-set=%d", PRFIELD(clock_snapshot
->is_set
));
807 if (clock_snapshot
->clock_class
) {
808 BUF_APPEND(", %sclock-class-addr=%p",
809 PRFIELD(clock_snapshot
->clock_class
));
810 SET_TMP_PREFIX("clock-class-");
811 format_clock_class(buf_ch
, false, tmp_prefix
,
812 clock_snapshot
->clock_class
);
816 static inline void format_value(char **buf_ch
, bool extended
,
817 const char *prefix
, const struct bt_value
*value
)
819 BUF_APPEND(", %stype=%s",
820 PRFIELD(bt_common_value_type_string(bt_value_get_type(value
))));
826 switch (bt_value_get_type(value
)) {
827 case BT_VALUE_TYPE_BOOL
:
829 bt_bool val
= bt_value_bool_get(value
);
831 BUF_APPEND(", %svalue=%d", PRFIELD(val
));
834 case BT_VALUE_TYPE_UNSIGNED_INTEGER
:
836 BUF_APPEND(", %svalue=%" PRIu64
,
837 PRFIELD(bt_value_unsigned_integer_get(value
)));
840 case BT_VALUE_TYPE_SIGNED_INTEGER
:
842 BUF_APPEND(", %svalue=%" PRId64
,
843 PRFIELD(bt_value_signed_integer_get(value
)));
846 case BT_VALUE_TYPE_REAL
:
848 double val
= bt_value_real_get(value
);
850 BUF_APPEND(", %svalue=%f", PRFIELD(val
));
853 case BT_VALUE_TYPE_STRING
:
855 const char *val
= bt_value_string_get(value
);
857 BUF_APPEND(", %spartial-value=\"%.32s\"", PRFIELD(val
));
860 case BT_VALUE_TYPE_ARRAY
:
862 int64_t count
= bt_value_array_get_size(value
);
864 BT_ASSERT(count
>= 0);
865 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
868 case BT_VALUE_TYPE_MAP
:
870 int64_t count
= bt_value_map_get_size(value
);
872 BT_ASSERT(count
>= 0);
873 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
881 static inline void format_message(char **buf_ch
, bool extended
,
882 const char *prefix
, const struct bt_message
*msg
)
884 char tmp_prefix
[TMP_PREFIX_LEN
];
886 BUF_APPEND(", %stype=%s",
887 PRFIELD(bt_message_type_string(msg
->type
)));
893 BUF_APPEND(", %sis-frozen=%d, %sgraph-addr=%p",
894 PRFIELD(msg
->frozen
), PRFIELD(msg
->graph
));
897 case BT_MESSAGE_TYPE_EVENT
:
899 const struct bt_message_event
*msg_event
=
902 if (msg_event
->event
) {
903 SET_TMP_PREFIX("event-");
904 format_event(buf_ch
, true, tmp_prefix
,
908 if (msg_event
->default_cs
) {
909 SET_TMP_PREFIX("default-cs-");
910 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
911 msg_event
->default_cs
);
916 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
917 case BT_MESSAGE_TYPE_STREAM_END
:
919 const struct bt_message_stream
*msg_stream
= (const void *) msg
;
921 if (msg_stream
->stream
) {
922 SET_TMP_PREFIX("stream-");
923 format_stream(buf_ch
, true, tmp_prefix
,
927 BUF_APPEND(", %sdefault-cs-state=%s",
928 PRFIELD(bt_message_stream_clock_snapshot_state_string(
929 msg_stream
->default_cs_state
)));
931 if (msg_stream
->default_cs_state
== BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_KNOWN
) {
932 SET_TMP_PREFIX("default-cs-");
933 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
934 msg_stream
->default_cs
);
939 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
940 case BT_MESSAGE_TYPE_PACKET_END
:
942 const struct bt_message_packet
*msg_packet
= (const void *) msg
;
944 if (msg_packet
->packet
) {
945 SET_TMP_PREFIX("packet-");
946 format_packet(buf_ch
, true, tmp_prefix
,
950 if (msg_packet
->default_cs
) {
951 SET_TMP_PREFIX("default-cs-");
952 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
953 msg_packet
->default_cs
);
958 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
959 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
961 const struct bt_message_discarded_items
*msg_disc_items
=
964 if (msg_disc_items
->stream
) {
965 SET_TMP_PREFIX("stream-");
966 format_stream(buf_ch
, true, tmp_prefix
,
967 msg_disc_items
->stream
);
970 if (msg_disc_items
->default_begin_cs
) {
971 SET_TMP_PREFIX("default-begin-cs-");
972 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
973 msg_disc_items
->default_begin_cs
);
976 if (msg_disc_items
->default_end_cs
) {
977 SET_TMP_PREFIX("default-end-cs-");
978 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
979 msg_disc_items
->default_end_cs
);
982 if (msg_disc_items
->count
.base
.avail
) {
983 BUF_APPEND(", %scount=%" PRIu64
,
984 PRFIELD(msg_disc_items
->count
.value
));
994 static inline void format_plugin_so_shared_lib_handle(char **buf_ch
,
996 const struct bt_plugin_so_shared_lib_handle
*handle
)
998 BUF_APPEND(", %saddr=%p", PRFIELD(handle
));
1001 BUF_APPEND(", %spath=\"%s\"", PRFIELD_GSTRING(handle
->path
));
1005 static inline void format_component_class(char **buf_ch
, bool extended
,
1007 const struct bt_component_class
*comp_class
)
1009 char tmp_prefix
[TMP_PREFIX_LEN
];
1011 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1012 PRFIELD(bt_component_class_type_string(comp_class
->type
)),
1013 PRFIELD_GSTRING(comp_class
->name
));
1015 if (comp_class
->description
) {
1016 BUF_APPEND(", %spartial-descr=\"%.32s\"",
1017 PRFIELD_GSTRING(comp_class
->description
));
1024 BUF_APPEND(", %sis-frozen=%d", PRFIELD(comp_class
->frozen
));
1026 if (comp_class
->so_handle
) {
1027 SET_TMP_PREFIX("so-handle-");
1028 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1029 comp_class
->so_handle
);
1033 static inline void format_component(char **buf_ch
, bool extended
,
1034 const char *prefix
, const struct bt_component
*component
)
1036 char tmp_prefix
[TMP_PREFIX_LEN
];
1038 BUF_APPEND(", %sname=\"%s\", %slog-level=%s",
1039 PRFIELD_GSTRING(component
->name
),
1040 PRFIELD(bt_common_logging_level_string(component
->log_level
)));
1042 if (component
->class) {
1043 SET_TMP_PREFIX("class-");
1044 format_component_class(buf_ch
, extended
, tmp_prefix
,
1052 if (component
->input_ports
) {
1053 BUF_APPEND(", %sinput-port-count=%u",
1054 PRFIELD(component
->input_ports
->len
));
1057 if (component
->output_ports
) {
1058 BUF_APPEND(", %soutput-port-count=%u",
1059 PRFIELD(component
->output_ports
->len
));
1063 static inline void format_port(char **buf_ch
, bool extended
,
1064 const char *prefix
, const struct bt_port
*port
)
1066 char tmp_prefix
[TMP_PREFIX_LEN
];
1068 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1069 PRFIELD(bt_port_type_string(port
->type
)),
1070 PRFIELD_GSTRING(port
->name
));
1076 if (port
->connection
) {
1077 SET_TMP_PREFIX("conn-");
1078 format_connection(buf_ch
, false, tmp_prefix
, port
->connection
);
1082 static inline void format_connection(char **buf_ch
, bool extended
,
1083 const char *prefix
, const struct bt_connection
*connection
)
1085 char tmp_prefix
[TMP_PREFIX_LEN
];
1091 if (connection
->upstream_port
) {
1092 SET_TMP_PREFIX("upstream-port-");
1093 format_port(buf_ch
, false, tmp_prefix
,
1094 connection
->upstream_port
);
1097 if (connection
->downstream_port
) {
1098 SET_TMP_PREFIX("downstream-port-");
1099 format_port(buf_ch
, false, tmp_prefix
,
1100 connection
->downstream_port
);
1104 static inline void format_graph(char **buf_ch
, bool extended
,
1105 const char *prefix
, const struct bt_graph
*graph
)
1107 char tmp_prefix
[TMP_PREFIX_LEN
];
1109 BUF_APPEND(", %sis-canceled=%d, %scan-consume=%d, "
1110 "%sconfig-state=%s",
1111 PRFIELD(graph
->canceled
),
1112 PRFIELD(graph
->can_consume
),
1113 PRFIELD(bt_graph_configuration_state_string(graph
->config_state
)));
1119 if (graph
->components
) {
1120 BUF_APPEND(", %scomp-count=%u",
1121 PRFIELD(graph
->components
->len
));
1124 if (graph
->connections
) {
1125 BUF_APPEND(", %sconn-count=%u",
1126 PRFIELD(graph
->connections
->len
));
1129 SET_TMP_PREFIX("en-pool-");
1130 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1131 &graph
->event_msg_pool
);
1132 SET_TMP_PREFIX("pbn-pool-");
1133 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1134 &graph
->packet_begin_msg_pool
);
1135 SET_TMP_PREFIX("pen-pool-");
1136 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1137 &graph
->packet_end_msg_pool
);
1140 static inline void format_message_iterator(char **buf_ch
,
1141 bool extended
, const char *prefix
,
1142 const struct bt_message_iterator
*iterator
)
1145 char tmp_prefix
[TMP_PREFIX_LEN
];
1147 if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
) {
1148 type
= "BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT";
1149 } else if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
) {
1150 type
= "BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT";
1155 BUF_APPEND(", %stype=%s", PRFIELD(type
));
1157 switch (iterator
->type
) {
1158 case BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
:
1160 const struct bt_self_component_port_input_message_iterator
*
1161 port_in_iter
= (const void *) iterator
;
1163 if (port_in_iter
->upstream_component
) {
1164 SET_TMP_PREFIX("upstream-comp-");
1165 format_component(buf_ch
, false, tmp_prefix
,
1166 port_in_iter
->upstream_component
);
1169 if (port_in_iter
->upstream_port
) {
1170 SET_TMP_PREFIX("upstream-port-");
1171 format_port(buf_ch
, false, tmp_prefix
,
1172 port_in_iter
->upstream_port
);
1175 if (port_in_iter
->connection
) {
1176 SET_TMP_PREFIX("upstream-conn-");
1177 format_connection(buf_ch
, false, tmp_prefix
,
1178 port_in_iter
->connection
);
1182 case BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
:
1184 const struct bt_port_output_message_iterator
*port_out_iter
=
1185 (const void *) iterator
;
1187 if (port_out_iter
->graph
) {
1188 SET_TMP_PREFIX("graph-");
1189 format_graph(buf_ch
, false, tmp_prefix
,
1190 port_out_iter
->graph
);
1193 if (port_out_iter
->colander
) {
1194 SET_TMP_PREFIX("colander-comp-");
1195 format_component(buf_ch
, false, tmp_prefix
,
1196 (void *) port_out_iter
->colander
);
1206 static inline void format_plugin(char **buf_ch
, bool extended
,
1207 const char *prefix
, const struct bt_plugin
*plugin
)
1209 char tmp_prefix
[TMP_PREFIX_LEN
];
1211 BUF_APPEND(", %stype=%s", PRFIELD(bt_plugin_type_string(plugin
->type
)));
1213 if (plugin
->info
.path_set
) {
1214 BUF_APPEND(", %spath=\"%s\"",
1215 PRFIELD_GSTRING(plugin
->info
.path
));
1218 if (plugin
->info
.name_set
) {
1219 BUF_APPEND(", %sname=\"%s\"",
1220 PRFIELD_GSTRING(plugin
->info
.name
));
1227 if (plugin
->info
.author_set
) {
1228 BUF_APPEND(", %sauthor=\"%s\"",
1229 PRFIELD_GSTRING(plugin
->info
.author
));
1232 if (plugin
->info
.license_set
) {
1233 BUF_APPEND(", %slicense=\"%s\"",
1234 PRFIELD_GSTRING(plugin
->info
.license
));
1237 if (plugin
->info
.version_set
) {
1238 BUF_APPEND(", %sversion=%u.%u.%u%s",
1239 PRFIELD(plugin
->info
.version
.major
),
1240 plugin
->info
.version
.minor
,
1241 plugin
->info
.version
.patch
,
1242 plugin
->info
.version
.extra
?
1243 plugin
->info
.version
.extra
->str
: "");
1246 BUF_APPEND(", %ssrc-comp-class-count=%u, %sflt-comp-class-count=%u, "
1247 "%ssink-comp-class-count=%u",
1248 PRFIELD(plugin
->src_comp_classes
->len
),
1249 PRFIELD(plugin
->flt_comp_classes
->len
),
1250 PRFIELD(plugin
->sink_comp_classes
->len
));
1252 if (plugin
->spec_data
) {
1253 const struct bt_plugin_so_spec_data
*spec_data
=
1254 (const void *) plugin
->spec_data
;
1256 if (spec_data
->shared_lib_handle
) {
1257 SET_TMP_PREFIX("so-handle-");
1258 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1259 spec_data
->shared_lib_handle
);
1264 static inline void format_error_cause(char **buf_ch
, bool extended
,
1265 const char *prefix
, const struct bt_error_cause
*cause
)
1267 const struct bt_error_cause_component_class_id
*comp_class_id
= NULL
;
1269 BUF_APPEND(", %sactor-type=%s, %smodule-name=\"%s\"",
1270 PRFIELD(bt_error_cause_actor_type_string(cause
->actor_type
)),
1271 PRFIELD_GSTRING(cause
->module_name
));
1277 BUF_APPEND(", %spartial-msg=\"%.32s\"",
1278 PRFIELD_GSTRING(cause
->message
));
1280 switch (cause
->actor_type
) {
1281 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT
:
1283 const struct bt_error_cause_component_actor
*spec_cause
=
1284 (const void *) cause
;
1286 BUF_APPEND(", %scomp-name=\"%s\"",
1287 PRFIELD_GSTRING(spec_cause
->comp_name
));
1288 comp_class_id
= &spec_cause
->comp_class_id
;
1291 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS
:
1293 const struct bt_error_cause_component_class_actor
*spec_cause
=
1294 (const void *) cause
;
1296 comp_class_id
= &spec_cause
->comp_class_id
;
1299 case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR
:
1301 const struct bt_error_cause_message_iterator_actor
*spec_cause
=
1302 (const void *) cause
;
1304 BUF_APPEND(", %scomp-name=\"%s\", %scomp-out-port-name=\"%s\"",
1305 PRFIELD_GSTRING(spec_cause
->comp_name
),
1306 PRFIELD_GSTRING(spec_cause
->output_port_name
));
1307 comp_class_id
= &spec_cause
->comp_class_id
;
1314 if (comp_class_id
) {
1315 BUF_APPEND(", %scomp-cls-type=%s, %scomp-cls-name=\"%s\", "
1316 "%splugin-name=\"%s\"",
1317 PRFIELD(bt_component_class_type_string(
1318 comp_class_id
->type
)),
1319 PRFIELD_GSTRING(comp_class_id
->name
),
1320 PRFIELD_GSTRING(comp_class_id
->plugin_name
));
1324 static inline void handle_conversion_specifier_bt(void *priv_data
,
1325 char **buf_ch
, size_t avail_size
,
1326 const char **out_fmt_ch
, va_list *args
)
1328 const char *fmt_ch
= *out_fmt_ch
;
1329 bool extended
= false;
1331 char *prefix_ch
= prefix
;
1337 if (*fmt_ch
== 'u') {
1339 obj
= va_arg(*args
, void *);
1340 format_uuid(buf_ch
, obj
);
1344 if (*fmt_ch
== '[') {
1349 if (*fmt_ch
== ']') {
1355 *prefix_ch
= *fmt_ch
;
1363 if (*fmt_ch
== '+') {
1368 obj
= va_arg(*args
, void *);
1369 BUF_APPEND("%saddr=%p", prefix
, obj
);
1377 format_field_class(buf_ch
, extended
, prefix
, obj
);
1380 format_field(buf_ch
, extended
, prefix
, obj
);
1383 format_field_path(buf_ch
, extended
, prefix
, obj
);
1386 format_event_class(buf_ch
, extended
, prefix
, obj
);
1389 format_event(buf_ch
, extended
, prefix
, obj
);
1392 format_stream_class(buf_ch
, extended
, prefix
, obj
);
1395 format_stream(buf_ch
, extended
, prefix
, obj
);
1398 format_packet(buf_ch
, extended
, prefix
, obj
);
1401 format_trace(buf_ch
, extended
, prefix
, obj
);
1404 format_trace_class(buf_ch
, extended
, prefix
, obj
);
1407 format_clock_class(buf_ch
, extended
, prefix
, obj
);
1410 format_clock_snapshot(buf_ch
, extended
, prefix
, obj
);
1413 format_value(buf_ch
, extended
, prefix
, obj
);
1416 format_message(buf_ch
, extended
, prefix
, obj
);
1419 format_message_iterator(buf_ch
, extended
, prefix
, obj
);
1422 format_component_class(buf_ch
, extended
, prefix
, obj
);
1425 format_component(buf_ch
, extended
, prefix
, obj
);
1428 format_port(buf_ch
, extended
, prefix
, obj
);
1431 format_connection(buf_ch
, extended
, prefix
, obj
);
1434 format_plugin(buf_ch
, extended
, prefix
, obj
);
1437 format_graph(buf_ch
, extended
, prefix
, obj
);
1440 format_object_pool(buf_ch
, extended
, prefix
, obj
);
1443 format_object(buf_ch
, extended
, prefix
, obj
);
1446 format_error_cause(buf_ch
, extended
, prefix
, obj
);
1454 *out_fmt_ch
= fmt_ch
;
1457 void bt_lib_log(const char *func
, const char *file
, unsigned line
,
1458 int lvl
, const char *tag
, const char *fmt
, ...)
1463 va_start(args
, fmt
);
1464 bt_common_custom_vsnprintf(lib_logging_buf
, LIB_LOGGING_BUF_SIZE
, '!',
1465 handle_conversion_specifier_bt
, NULL
, fmt
, &args
);
1467 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s", lib_logging_buf
);
1470 void bt_lib_maybe_log_and_append_cause(const char *func
, const char *file
,
1471 unsigned line
, int lvl
, const char *tag
,
1472 const char *fmt
, ...)
1475 bt_current_thread_error_append_cause_status status
;
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
);
1483 /* Log conditionally, but always append the error cause */
1484 if (BT_LOG_ON(lvl
)) {
1485 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s",
1489 status
= bt_current_thread_error_append_cause_from_unknown(
1490 "Babeltrace library", file
, line
, "%s", lib_logging_buf
);
1493 * Worst case: this error cause is not appended to the
1494 * current thread's error.
1496 * We can accept this as it's an almost impossible
1497 * scenario and returning an error here would mean you
1498 * need to check the return value of each
1499 * BT_LIB_LOG*_APPEND_CAUSE() macro and that would be
1502 BT_LOGE("Cannot append error cause to current thread's "
1503 "error object: status=%s",
1504 bt_common_func_status_string(status
));