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 "common/uuid.h"
36 #include <babeltrace2/babeltrace.h>
39 #include "assert-pre.h"
40 #include "assert-post.h"
42 #include "integer-range-set.h"
43 #include "object-pool.h"
44 #include "graph/component-class.h"
45 #include "graph/component-class-sink-colander.h"
46 #include "graph/component-filter.h"
47 #include "graph/component.h"
48 #include "graph/component-sink.h"
49 #include "graph/component-source.h"
50 #include "graph/connection.h"
51 #include "graph/graph.h"
52 #include "graph/message/discarded-items.h"
53 #include "graph/message/event.h"
54 #include "graph/message/iterator.h"
55 #include "graph/message/message.h"
56 #include "graph/message/message-iterator-inactivity.h"
57 #include "graph/message/packet.h"
58 #include "graph/message/stream.h"
59 #include "graph/port.h"
60 #include "plugin/plugin.h"
61 #include "plugin/plugin-so.h"
62 #include "trace-ir/clock-class.h"
63 #include "trace-ir/clock-snapshot.h"
64 #include "trace-ir/event-class.h"
65 #include "trace-ir/event.h"
66 #include "trace-ir/field-class.h"
67 #include "trace-ir/field.h"
68 #include "trace-ir/field-path.h"
69 #include "trace-ir/packet.h"
70 #include "trace-ir/stream-class.h"
71 #include "trace-ir/stream.h"
72 #include "trace-ir/trace-class.h"
73 #include "trace-ir/trace.h"
74 #include "trace-ir/utils.h"
76 #include "assert-pre.h"
78 #define LIB_LOGGING_BUF_SIZE (4096 * 4)
80 static __thread
char lib_logging_buf
[LIB_LOGGING_BUF_SIZE
];
82 #define BUF_APPEND(_fmt, ...) \
85 size_t _size = LIB_LOGGING_BUF_SIZE - \
86 (size_t) (*buf_ch - lib_logging_buf); \
87 _count = snprintf(*buf_ch, _size, (_fmt), __VA_ARGS__); \
88 BT_ASSERT(_count >= 0); \
89 *buf_ch += MIN(_count, _size); \
90 if (*buf_ch >= lib_logging_buf + LIB_LOGGING_BUF_SIZE - 1) { \
95 #define BUF_APPEND_UUID(_uuid) \
97 BUF_APPEND(", %suuid=", prefix); \
98 format_uuid(buf_ch, (_uuid)); \
101 #define PRFIELD(_expr) prefix, (_expr)
103 #define PRFIELD_GSTRING(_expr) PRFIELD((_expr) ? (_expr)->str : NULL)
105 #define TMP_PREFIX_LEN 128
106 #define SET_TMP_PREFIX(_prefix2) \
109 snprintf(tmp_prefix, TMP_PREFIX_LEN - 1, "%s%s", \
110 prefix, (_prefix2)); \
112 if (snprintf_ret < 0 || snprintf_ret >= TMP_PREFIX_LEN - 1) { \
116 tmp_prefix[TMP_PREFIX_LEN - 1] = '\0'; \
119 static inline void format_component(char **buf_ch
, bool extended
,
120 const char *prefix
, const struct bt_component
*component
);
122 static inline void format_port(char **buf_ch
, bool extended
,
123 const char *prefix
, const struct bt_port
*port
);
125 static inline void format_connection(char **buf_ch
, bool extended
,
126 const char *prefix
, const struct bt_connection
*connection
);
128 static inline void format_clock_snapshot(char **buf_ch
, bool extended
,
129 const char *prefix
, const struct bt_clock_snapshot
*clock_snapshot
);
131 static inline void format_field_path(char **buf_ch
, bool extended
,
132 const char *prefix
, const struct bt_field_path
*field_path
);
134 static inline void format_object(char **buf_ch
, bool extended
,
135 const char *prefix
, const struct bt_object
*obj
)
137 BUF_APPEND(", %sref-count=%llu", prefix
, obj
->ref_count
);
140 static inline void format_uuid(char **buf_ch
, bt_uuid uuid
)
142 BUF_APPEND("\"" BT_UUID_FMT
"\"", BT_UUID_FMT_VALUES(uuid
));
145 static inline void format_object_pool(char **buf_ch
, bool extended
,
146 const char *prefix
, const struct bt_object_pool
*pool
)
148 BUF_APPEND(", %ssize=%zu", PRFIELD(pool
->size
));
151 BUF_APPEND(", %scap=%u", PRFIELD(pool
->objects
->len
));
155 static inline void format_integer_field_class(char **buf_ch
,
156 bool extended
, const char *prefix
,
157 const struct bt_field_class
*field_class
)
159 const struct bt_field_class_integer
*int_fc
=
160 (const void *) field_class
;
162 BUF_APPEND(", %srange-size=%" PRIu64
", %sbase=%s",
163 PRFIELD(int_fc
->range
),
164 PRFIELD(bt_common_field_class_integer_preferred_display_base_string(int_fc
->base
)));
167 static inline void format_array_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_array
*array_fc
=
172 (const void *) field_class
;
174 BUF_APPEND(", %selement-fc-addr=%p, %selement-fc-type=%s",
175 PRFIELD(array_fc
->element_fc
),
176 PRFIELD(bt_common_field_class_type_string(array_fc
->element_fc
->type
)));
179 static inline void format_field_class(char **buf_ch
, bool extended
,
180 const char *prefix
, const struct bt_field_class
*field_class
)
182 char tmp_prefix
[TMP_PREFIX_LEN
];
184 BUF_APPEND(", %stype=%s",
185 PRFIELD(bt_common_field_class_type_string(field_class
->type
)));
188 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field_class
->frozen
));
189 BUF_APPEND(", %sis-part-of-trace-class=%d",
190 PRFIELD(field_class
->part_of_trace_class
));
195 switch (field_class
->type
) {
196 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
197 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
199 format_integer_field_class(buf_ch
, extended
, prefix
, field_class
);
202 case BT_FIELD_CLASS_TYPE_REAL
:
204 const struct bt_field_class_real
*real_fc
= (void *) field_class
;
206 BUF_APPEND(", %sis-single-precision=%d",
207 PRFIELD(real_fc
->is_single_precision
));
210 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
211 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
213 const struct bt_field_class_enumeration
*enum_fc
=
214 (const void *) field_class
;
216 format_integer_field_class(buf_ch
, extended
, prefix
, field_class
);
217 BUF_APPEND(", %smapping-count=%u",
218 PRFIELD(enum_fc
->mappings
->len
));
221 case BT_FIELD_CLASS_TYPE_STRUCTURE
:
223 const struct bt_field_class_structure
*struct_fc
=
224 (const void *) field_class
;
226 if (struct_fc
->common
.named_fcs
) {
227 BUF_APPEND(", %smember-count=%u",
228 PRFIELD(struct_fc
->common
.named_fcs
->len
));
233 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
235 const struct bt_field_class_array_static
*array_fc
=
236 (const void *) field_class
;
238 format_array_field_class(buf_ch
, extended
, prefix
, field_class
);
239 BUF_APPEND(", %slength=%" PRIu64
, PRFIELD(array_fc
->length
));
242 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
244 const struct bt_field_class_array_dynamic
*array_fc
=
245 (const void *) field_class
;
247 format_array_field_class(buf_ch
, extended
, prefix
, field_class
);
249 if (array_fc
->length_fc
) {
250 SET_TMP_PREFIX("length-fc-");
251 format_field_class(buf_ch
, extended
, tmp_prefix
,
252 array_fc
->length_fc
);
255 if (array_fc
->length_field_path
) {
256 SET_TMP_PREFIX("length-field-path-");
257 format_field_path(buf_ch
, extended
, tmp_prefix
,
258 array_fc
->length_field_path
);
263 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR
:
264 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
:
265 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
:
267 const struct bt_field_class_variant
*var_fc
=
268 (const void *) field_class
;
270 if (var_fc
->common
.named_fcs
) {
271 BUF_APPEND(", %soption-count=%u",
272 PRFIELD(var_fc
->common
.named_fcs
->len
));
275 if (field_class
->type
== BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
||
276 field_class
->type
== BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
) {
277 const struct bt_field_class_variant_with_selector
*var_with_sel_fc
=
278 (const void *) var_fc
;
280 if (var_with_sel_fc
->selector_fc
) {
281 SET_TMP_PREFIX("selector-fc-");
282 format_field_class(buf_ch
, extended
, tmp_prefix
,
283 var_with_sel_fc
->selector_fc
);
286 if (var_with_sel_fc
->selector_field_path
) {
287 SET_TMP_PREFIX("selector-field-path-");
288 format_field_path(buf_ch
, extended
, tmp_prefix
,
289 var_with_sel_fc
->selector_field_path
);
300 static inline void format_field_integer_extended(char **buf_ch
,
301 const char *prefix
, const struct bt_field
*field
)
303 const struct bt_field_integer
*integer
= (void *) field
;
304 const struct bt_field_class_integer
*field_class
=
305 (void *) field
->class;
306 const char *fmt
= NULL
;
308 BT_ASSERT(field_class
);
310 if (field_class
->base
== BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
) {
311 fmt
= ", %svalue=%" PRIo64
;
312 } else if (field_class
->base
== BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
) {
313 fmt
= ", %svalue=%" PRIx64
;
316 if (field_class
->common
.type
== BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
||
317 field_class
->common
.type
== BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
) {
319 fmt
= ", %svalue=%" PRId64
;
322 BUF_APPEND(fmt
, PRFIELD(integer
->value
.i
));
325 fmt
= ", %svalue=%" PRIu64
;
328 BUF_APPEND(fmt
, PRFIELD(integer
->value
.u
));
332 static inline void format_field(char **buf_ch
, bool extended
,
333 const char *prefix
, const struct bt_field
*field
)
335 BUF_APPEND(", %sis-set=%d", PRFIELD(field
->is_set
));
338 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field
->frozen
));
341 BUF_APPEND(", %sclass-addr=%p", PRFIELD(field
->class));
347 BUF_APPEND(", %sclass-type=%s",
348 PRFIELD(bt_common_field_class_type_string(field
->class->type
)));
350 if (!extended
|| !field
->is_set
) {
354 switch (field
->class->type
) {
355 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
356 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
357 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
358 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
360 format_field_integer_extended(buf_ch
, prefix
, field
);
363 case BT_FIELD_CLASS_TYPE_REAL
:
365 const struct bt_field_real
*real_field
= (const void *) field
;
367 BUF_APPEND(", %svalue=%f", PRFIELD(real_field
->value
));
370 case BT_FIELD_CLASS_TYPE_STRING
:
372 const struct bt_field_string
*str
= (const void *) field
;
375 BT_ASSERT(str
->buf
->data
);
376 BUF_APPEND(", %spartial-value=\"%.32s\"",
377 PRFIELD(str
->buf
->data
));
382 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
383 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
385 const struct bt_field_array
*array_field
= (const void *) field
;
387 BUF_APPEND(", %slength=%" PRIu64
, PRFIELD(array_field
->length
));
389 if (array_field
->fields
) {
390 BUF_APPEND(", %sallocated-length=%u",
391 PRFIELD(array_field
->fields
->len
));
396 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR
:
397 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
:
398 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
:
400 const struct bt_field_variant
*var_field
= (const void *) field
;
402 BUF_APPEND(", %sselected-field-index=%" PRIu64
,
403 PRFIELD(var_field
->selected_index
));
411 static inline void format_field_path(char **buf_ch
, bool extended
,
412 const char *prefix
, const struct bt_field_path
*field_path
)
416 if (field_path
->items
) {
417 BT_ASSERT(field_path
->items
);
418 BUF_APPEND(", %sitem-count=%u",
419 PRFIELD(field_path
->items
->len
));
422 if (!extended
|| !field_path
->items
) {
426 BUF_APPEND(", %spath=[%s",
427 PRFIELD(bt_common_scope_string(field_path
->root
)));
429 for (i
= 0; i
< bt_field_path_get_item_count(field_path
); i
++) {
430 const struct bt_field_path_item
*fp_item
=
431 bt_field_path_borrow_item_by_index_const(field_path
, i
);
433 switch (bt_field_path_item_get_type(fp_item
)) {
434 case BT_FIELD_PATH_ITEM_TYPE_INDEX
:
435 BUF_APPEND(", %" PRIu64
,
436 bt_field_path_item_index_get_index(fp_item
));
438 case BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT
:
439 BUF_APPEND("%s", ", <CUR>");
446 BUF_APPEND("%s", "]");
449 static inline void format_trace_class(char **buf_ch
, bool extended
,
450 const char *prefix
, const struct bt_trace_class
*trace_class
)
456 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace_class
->frozen
));
458 if (trace_class
->stream_classes
) {
459 BUF_APPEND(", %sstream-class-count=%u",
460 PRFIELD(trace_class
->stream_classes
->len
));
463 BUF_APPEND(", %sassigns-auto-sc-id=%d",
464 PRFIELD(trace_class
->assigns_automatic_stream_class_id
));
467 static inline void format_trace(char **buf_ch
, bool extended
,
468 const char *prefix
, const struct bt_trace
*trace
)
470 char tmp_prefix
[TMP_PREFIX_LEN
];
472 if (trace
->name
.value
) {
473 BUF_APPEND(", %sname=\"%s\"", PRFIELD(trace
->name
.value
));
480 if (trace
->uuid
.value
) {
481 BUF_APPEND_UUID(trace
->uuid
.value
);
484 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace
->frozen
));
486 if (trace
->streams
) {
487 BUF_APPEND(", %sstream-count=%u",
488 PRFIELD(trace
->streams
->len
));
495 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace
->class));
496 SET_TMP_PREFIX("trace-class-");
497 format_trace_class(buf_ch
, false, tmp_prefix
, trace
->class);
500 static inline void format_stream_class(char **buf_ch
, bool extended
,
502 const struct bt_stream_class
*stream_class
)
504 const struct bt_trace_class
*trace_class
;
505 char tmp_prefix
[TMP_PREFIX_LEN
];
507 BUF_APPEND(", %sid=%" PRIu64
, PRFIELD(stream_class
->id
));
509 if (stream_class
->name
.value
) {
510 BUF_APPEND(", %sname=\"%s\"",
511 PRFIELD(stream_class
->name
.value
));
518 BUF_APPEND(", %sis-frozen=%d", PRFIELD(stream_class
->frozen
));
520 if (stream_class
->event_classes
) {
521 BUF_APPEND(", %sevent-class-count=%u",
522 PRFIELD(stream_class
->event_classes
->len
));
525 BUF_APPEND(", %spacket-context-fc-addr=%p, "
526 "%sevent-common-context-fc-addr=%p",
527 PRFIELD(stream_class
->packet_context_fc
),
528 PRFIELD(stream_class
->event_common_context_fc
));
529 trace_class
= bt_stream_class_borrow_trace_class_inline(stream_class
);
534 BUF_APPEND(", %sassigns-auto-ec-id=%d, %sassigns-auto-stream-id=%d, "
535 "%ssupports-packets=%d, "
536 "%spackets-have-begin-default-cs=%d, "
537 "%spackets-have-end-default-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
->supports_packets
),
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_trace_class
*trace_class
;
694 const struct bt_stream_class
*stream_class
;
695 char tmp_prefix
[TMP_PREFIX_LEN
];
701 BUF_APPEND(", %sis-frozen=%d, "
702 "%scommon-context-field-addr=%p, "
703 "%sspecific-context-field-addr=%p, "
704 "%spayload-field-addr=%p, ",
705 PRFIELD(event
->frozen
),
706 PRFIELD(event
->common_context_field
),
707 PRFIELD(event
->specific_context_field
),
708 PRFIELD(event
->payload_field
));
709 BUF_APPEND(", %sevent-class-addr=%p", PRFIELD(event
->class));
715 SET_TMP_PREFIX("event-class-");
716 format_event_class(buf_ch
, false, tmp_prefix
, event
->class);
717 stream_class
= bt_event_class_borrow_stream_class(event
->class);
719 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class
));
720 SET_TMP_PREFIX("stream-class-");
721 format_stream_class(buf_ch
, false, tmp_prefix
,
724 trace_class
= bt_stream_class_borrow_trace_class_inline(
727 BUF_APPEND(", %strace-class-addr=%p",
728 PRFIELD(trace_class
));
729 SET_TMP_PREFIX("trace-class-");
730 format_trace_class(buf_ch
, false, tmp_prefix
,
736 BUF_APPEND(", %sstream-addr=%p", PRFIELD(event
->stream
));
737 SET_TMP_PREFIX("stream-");
738 format_stream(buf_ch
, false, tmp_prefix
, event
->stream
);
742 BUF_APPEND(", %spacket-addr=%p", PRFIELD(event
->packet
));
743 SET_TMP_PREFIX("packet-");
744 format_packet(buf_ch
, false, tmp_prefix
, event
->packet
);
748 static inline void format_clock_class(char **buf_ch
, bool extended
,
749 const char *prefix
, const struct bt_clock_class
*clock_class
)
751 char tmp_prefix
[TMP_PREFIX_LEN
];
753 if (clock_class
->name
.value
) {
754 BUF_APPEND(", %sname=\"%s\"", PRFIELD(clock_class
->name
.value
));
757 BUF_APPEND(", %sfreq=%" PRIu64
, PRFIELD(clock_class
->frequency
));
763 if (clock_class
->description
.value
) {
764 BUF_APPEND(", %spartial-descr=\"%.32s\"",
765 PRFIELD(clock_class
->description
.value
));
768 if (clock_class
->uuid
.value
) {
769 BUF_APPEND_UUID(clock_class
->uuid
.value
);
772 BUF_APPEND(", %sis-frozen=%d, %sprecision=%" PRIu64
", "
773 "%soffset-s=%" PRId64
", "
774 "%soffset-cycles=%" PRIu64
", %sorigin-is-unix-epoch=%d, "
775 "%sbase-offset-ns=%" PRId64
,
776 PRFIELD(clock_class
->frozen
), PRFIELD(clock_class
->precision
),
777 PRFIELD(clock_class
->offset_seconds
),
778 PRFIELD(clock_class
->offset_cycles
),
779 PRFIELD(clock_class
->origin_is_unix_epoch
),
780 PRFIELD(clock_class
->base_offset
.value_ns
));
782 SET_TMP_PREFIX("cs-pool-");
783 format_object_pool(buf_ch
, extended
, tmp_prefix
,
784 &clock_class
->cs_pool
);
787 static inline void format_clock_snapshot(char **buf_ch
, bool extended
,
788 const char *prefix
, const struct bt_clock_snapshot
*clock_snapshot
)
790 char tmp_prefix
[TMP_PREFIX_LEN
];
791 BUF_APPEND(", %svalue=%" PRIu64
", %sns-from-origin=%" PRId64
,
792 PRFIELD(clock_snapshot
->value_cycles
),
793 PRFIELD(clock_snapshot
->ns_from_origin
));
799 BUF_APPEND(", %sis-set=%d", PRFIELD(clock_snapshot
->is_set
));
801 if (clock_snapshot
->clock_class
) {
802 BUF_APPEND(", %sclock-class-addr=%p",
803 PRFIELD(clock_snapshot
->clock_class
));
804 SET_TMP_PREFIX("clock-class-");
805 format_clock_class(buf_ch
, false, tmp_prefix
,
806 clock_snapshot
->clock_class
);
810 static inline void format_value(char **buf_ch
, bool extended
,
811 const char *prefix
, const struct bt_value
*value
)
813 BUF_APPEND(", %stype=%s",
814 PRFIELD(bt_common_value_type_string(bt_value_get_type(value
))));
820 switch (bt_value_get_type(value
)) {
821 case BT_VALUE_TYPE_BOOL
:
823 bt_bool val
= bt_value_bool_get(value
);
825 BUF_APPEND(", %svalue=%d", PRFIELD(val
));
828 case BT_VALUE_TYPE_UNSIGNED_INTEGER
:
830 BUF_APPEND(", %svalue=%" PRIu64
,
831 PRFIELD(bt_value_integer_unsigned_get(value
)));
834 case BT_VALUE_TYPE_SIGNED_INTEGER
:
836 BUF_APPEND(", %svalue=%" PRId64
,
837 PRFIELD(bt_value_integer_signed_get(value
)));
840 case BT_VALUE_TYPE_REAL
:
842 double val
= bt_value_real_get(value
);
844 BUF_APPEND(", %svalue=%f", PRFIELD(val
));
847 case BT_VALUE_TYPE_STRING
:
849 const char *val
= bt_value_string_get(value
);
851 BUF_APPEND(", %spartial-value=\"%.32s\"", PRFIELD(val
));
854 case BT_VALUE_TYPE_ARRAY
:
856 int64_t count
= bt_value_array_get_size(value
);
858 BT_ASSERT(count
>= 0);
859 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
862 case BT_VALUE_TYPE_MAP
:
864 int64_t count
= bt_value_map_get_size(value
);
866 BT_ASSERT(count
>= 0);
867 BUF_APPEND(", %selement-count=%" PRId64
, PRFIELD(count
));
875 static inline void format_integer_range_set(char **buf_ch
, bool extended
,
877 const struct bt_integer_range_set
*range_set
)
879 BUF_APPEND(", %srange-count=%u", PRFIELD(range_set
->ranges
->len
));
885 BUF_APPEND(", %sis-frozen=%d", PRFIELD(range_set
->frozen
));
888 static inline void format_message(char **buf_ch
, bool extended
,
889 const char *prefix
, const struct bt_message
*msg
)
891 char tmp_prefix
[TMP_PREFIX_LEN
];
893 BUF_APPEND(", %stype=%s",
894 PRFIELD(bt_message_type_string(msg
->type
)));
900 BUF_APPEND(", %sis-frozen=%d, %sgraph-addr=%p",
901 PRFIELD(msg
->frozen
), PRFIELD(msg
->graph
));
904 case BT_MESSAGE_TYPE_EVENT
:
906 const struct bt_message_event
*msg_event
=
909 if (msg_event
->event
) {
910 SET_TMP_PREFIX("event-");
911 format_event(buf_ch
, true, tmp_prefix
,
915 if (msg_event
->default_cs
) {
916 SET_TMP_PREFIX("default-cs-");
917 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
918 msg_event
->default_cs
);
923 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
924 case BT_MESSAGE_TYPE_STREAM_END
:
926 const struct bt_message_stream
*msg_stream
= (const void *) msg
;
928 if (msg_stream
->stream
) {
929 SET_TMP_PREFIX("stream-");
930 format_stream(buf_ch
, true, tmp_prefix
,
934 BUF_APPEND(", %sdefault-cs-state=%s",
935 PRFIELD(bt_message_stream_clock_snapshot_state_string(
936 msg_stream
->default_cs_state
)));
938 if (msg_stream
->default_cs_state
== BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_KNOWN
) {
939 SET_TMP_PREFIX("default-cs-");
940 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
941 msg_stream
->default_cs
);
946 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
947 case BT_MESSAGE_TYPE_PACKET_END
:
949 const struct bt_message_packet
*msg_packet
= (const void *) msg
;
951 if (msg_packet
->packet
) {
952 SET_TMP_PREFIX("packet-");
953 format_packet(buf_ch
, true, tmp_prefix
,
957 if (msg_packet
->default_cs
) {
958 SET_TMP_PREFIX("default-cs-");
959 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
960 msg_packet
->default_cs
);
965 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
966 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
968 const struct bt_message_discarded_items
*msg_disc_items
=
971 if (msg_disc_items
->stream
) {
972 SET_TMP_PREFIX("stream-");
973 format_stream(buf_ch
, true, tmp_prefix
,
974 msg_disc_items
->stream
);
977 if (msg_disc_items
->default_begin_cs
) {
978 SET_TMP_PREFIX("begin-default-cs-");
979 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
980 msg_disc_items
->default_begin_cs
);
983 if (msg_disc_items
->default_end_cs
) {
984 SET_TMP_PREFIX("end-default-cs-");
985 format_clock_snapshot(buf_ch
, true, tmp_prefix
,
986 msg_disc_items
->default_end_cs
);
989 if (msg_disc_items
->count
.base
.avail
) {
990 BUF_APPEND(", %scount=%" PRIu64
,
991 PRFIELD(msg_disc_items
->count
.value
));
1001 static inline void format_plugin_so_shared_lib_handle(char **buf_ch
,
1003 const struct bt_plugin_so_shared_lib_handle
*handle
)
1005 BUF_APPEND(", %saddr=%p", PRFIELD(handle
));
1008 BUF_APPEND(", %spath=\"%s\"", PRFIELD_GSTRING(handle
->path
));
1012 static inline void format_component_class(char **buf_ch
, bool extended
,
1014 const struct bt_component_class
*comp_class
)
1016 char tmp_prefix
[TMP_PREFIX_LEN
];
1018 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1019 PRFIELD(bt_component_class_type_string(comp_class
->type
)),
1020 PRFIELD_GSTRING(comp_class
->name
));
1022 if (comp_class
->description
) {
1023 BUF_APPEND(", %spartial-descr=\"%.32s\"",
1024 PRFIELD_GSTRING(comp_class
->description
));
1031 BUF_APPEND(", %sis-frozen=%d", PRFIELD(comp_class
->frozen
));
1033 if (comp_class
->so_handle
) {
1034 SET_TMP_PREFIX("so-handle-");
1035 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1036 comp_class
->so_handle
);
1040 static inline void format_component(char **buf_ch
, bool extended
,
1041 const char *prefix
, const struct bt_component
*component
)
1043 char tmp_prefix
[TMP_PREFIX_LEN
];
1045 BUF_APPEND(", %sname=\"%s\", %slog-level=%s",
1046 PRFIELD_GSTRING(component
->name
),
1047 PRFIELD(bt_common_logging_level_string(component
->log_level
)));
1049 if (component
->class) {
1050 SET_TMP_PREFIX("class-");
1051 format_component_class(buf_ch
, extended
, tmp_prefix
,
1059 if (component
->input_ports
) {
1060 BUF_APPEND(", %sinput-port-count=%u",
1061 PRFIELD(component
->input_ports
->len
));
1064 if (component
->output_ports
) {
1065 BUF_APPEND(", %soutput-port-count=%u",
1066 PRFIELD(component
->output_ports
->len
));
1070 static inline void format_port(char **buf_ch
, bool extended
,
1071 const char *prefix
, const struct bt_port
*port
)
1073 char tmp_prefix
[TMP_PREFIX_LEN
];
1075 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1076 PRFIELD(bt_port_type_string(port
->type
)),
1077 PRFIELD_GSTRING(port
->name
));
1083 if (port
->connection
) {
1084 SET_TMP_PREFIX("conn-");
1085 format_connection(buf_ch
, false, tmp_prefix
, port
->connection
);
1089 static inline void format_connection(char **buf_ch
, bool extended
,
1090 const char *prefix
, const struct bt_connection
*connection
)
1092 char tmp_prefix
[TMP_PREFIX_LEN
];
1098 if (connection
->upstream_port
) {
1099 SET_TMP_PREFIX("upstream-port-");
1100 format_port(buf_ch
, false, tmp_prefix
,
1101 connection
->upstream_port
);
1104 if (connection
->downstream_port
) {
1105 SET_TMP_PREFIX("downstream-port-");
1106 format_port(buf_ch
, false, tmp_prefix
,
1107 connection
->downstream_port
);
1111 static inline void format_graph(char **buf_ch
, bool extended
,
1112 const char *prefix
, const struct bt_graph
*graph
)
1114 char tmp_prefix
[TMP_PREFIX_LEN
];
1116 BUF_APPEND(", %sis-canceled=%d, %scan-consume=%d, "
1117 "%sconfig-state=%s",
1118 PRFIELD(graph
->canceled
),
1119 PRFIELD(graph
->can_consume
),
1120 PRFIELD(bt_graph_configuration_state_string(graph
->config_state
)));
1126 if (graph
->components
) {
1127 BUF_APPEND(", %scomp-count=%u",
1128 PRFIELD(graph
->components
->len
));
1131 if (graph
->connections
) {
1132 BUF_APPEND(", %sconn-count=%u",
1133 PRFIELD(graph
->connections
->len
));
1136 SET_TMP_PREFIX("en-pool-");
1137 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1138 &graph
->event_msg_pool
);
1139 SET_TMP_PREFIX("pbn-pool-");
1140 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1141 &graph
->packet_begin_msg_pool
);
1142 SET_TMP_PREFIX("pen-pool-");
1143 format_object_pool(buf_ch
, extended
, tmp_prefix
,
1144 &graph
->packet_end_msg_pool
);
1147 static inline void format_message_iterator(char **buf_ch
,
1148 bool extended
, const char *prefix
,
1149 const struct bt_message_iterator
*iterator
)
1152 char tmp_prefix
[TMP_PREFIX_LEN
];
1154 if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
) {
1155 type
= "BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT";
1156 } else if (iterator
->type
== BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
) {
1157 type
= "BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT";
1162 BUF_APPEND(", %stype=%s", PRFIELD(type
));
1164 switch (iterator
->type
) {
1165 case BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT
:
1167 const struct bt_self_component_port_input_message_iterator
*
1168 port_in_iter
= (const void *) iterator
;
1170 if (port_in_iter
->upstream_component
) {
1171 SET_TMP_PREFIX("upstream-comp-");
1172 format_component(buf_ch
, false, tmp_prefix
,
1173 port_in_iter
->upstream_component
);
1176 if (port_in_iter
->upstream_port
) {
1177 SET_TMP_PREFIX("upstream-port-");
1178 format_port(buf_ch
, false, tmp_prefix
,
1179 port_in_iter
->upstream_port
);
1182 if (port_in_iter
->connection
) {
1183 SET_TMP_PREFIX("upstream-conn-");
1184 format_connection(buf_ch
, false, tmp_prefix
,
1185 port_in_iter
->connection
);
1189 case BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT
:
1191 const struct bt_port_output_message_iterator
*port_out_iter
=
1192 (const void *) iterator
;
1194 if (port_out_iter
->graph
) {
1195 SET_TMP_PREFIX("graph-");
1196 format_graph(buf_ch
, false, tmp_prefix
,
1197 port_out_iter
->graph
);
1200 if (port_out_iter
->colander
) {
1201 SET_TMP_PREFIX("colander-comp-");
1202 format_component(buf_ch
, false, tmp_prefix
,
1203 (void *) port_out_iter
->colander
);
1213 static inline void format_plugin(char **buf_ch
, bool extended
,
1214 const char *prefix
, const struct bt_plugin
*plugin
)
1216 char tmp_prefix
[TMP_PREFIX_LEN
];
1218 BUF_APPEND(", %stype=%s", PRFIELD(bt_plugin_type_string(plugin
->type
)));
1220 if (plugin
->info
.path_set
) {
1221 BUF_APPEND(", %spath=\"%s\"",
1222 PRFIELD_GSTRING(plugin
->info
.path
));
1225 if (plugin
->info
.name_set
) {
1226 BUF_APPEND(", %sname=\"%s\"",
1227 PRFIELD_GSTRING(plugin
->info
.name
));
1234 if (plugin
->info
.author_set
) {
1235 BUF_APPEND(", %sauthor=\"%s\"",
1236 PRFIELD_GSTRING(plugin
->info
.author
));
1239 if (plugin
->info
.license_set
) {
1240 BUF_APPEND(", %slicense=\"%s\"",
1241 PRFIELD_GSTRING(plugin
->info
.license
));
1244 if (plugin
->info
.version_set
) {
1245 BUF_APPEND(", %sversion=%u.%u.%u%s",
1246 PRFIELD(plugin
->info
.version
.major
),
1247 plugin
->info
.version
.minor
,
1248 plugin
->info
.version
.patch
,
1249 plugin
->info
.version
.extra
?
1250 plugin
->info
.version
.extra
->str
: "");
1253 BUF_APPEND(", %ssrc-comp-class-count=%u, %sflt-comp-class-count=%u, "
1254 "%ssink-comp-class-count=%u",
1255 PRFIELD(plugin
->src_comp_classes
->len
),
1256 PRFIELD(plugin
->flt_comp_classes
->len
),
1257 PRFIELD(plugin
->sink_comp_classes
->len
));
1259 if (plugin
->spec_data
) {
1260 const struct bt_plugin_so_spec_data
*spec_data
=
1261 (const void *) plugin
->spec_data
;
1263 if (spec_data
->shared_lib_handle
) {
1264 SET_TMP_PREFIX("so-handle-");
1265 format_plugin_so_shared_lib_handle(buf_ch
, tmp_prefix
,
1266 spec_data
->shared_lib_handle
);
1271 static inline void format_error_cause(char **buf_ch
, bool extended
,
1272 const char *prefix
, const struct bt_error_cause
*cause
)
1274 const struct bt_error_cause_component_class_id
*comp_class_id
= NULL
;
1276 BUF_APPEND(", %sactor-type=%s, %smodule-name=\"%s\"",
1277 PRFIELD(bt_error_cause_actor_type_string(cause
->actor_type
)),
1278 PRFIELD_GSTRING(cause
->module_name
));
1284 BUF_APPEND(", %spartial-msg=\"%.32s\"",
1285 PRFIELD_GSTRING(cause
->message
));
1287 switch (cause
->actor_type
) {
1288 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT
:
1290 const struct bt_error_cause_component_actor
*spec_cause
=
1291 (const void *) cause
;
1293 BUF_APPEND(", %scomp-name=\"%s\"",
1294 PRFIELD_GSTRING(spec_cause
->comp_name
));
1295 comp_class_id
= &spec_cause
->comp_class_id
;
1298 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS
:
1300 const struct bt_error_cause_component_class_actor
*spec_cause
=
1301 (const void *) cause
;
1303 comp_class_id
= &spec_cause
->comp_class_id
;
1306 case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR
:
1308 const struct bt_error_cause_message_iterator_actor
*spec_cause
=
1309 (const void *) cause
;
1311 BUF_APPEND(", %scomp-name=\"%s\", %scomp-out-port-name=\"%s\"",
1312 PRFIELD_GSTRING(spec_cause
->comp_name
),
1313 PRFIELD_GSTRING(spec_cause
->output_port_name
));
1314 comp_class_id
= &spec_cause
->comp_class_id
;
1321 if (comp_class_id
) {
1322 BUF_APPEND(", %scomp-cls-type=%s, %scomp-cls-name=\"%s\", "
1323 "%splugin-name=\"%s\"",
1324 PRFIELD(bt_component_class_type_string(
1325 comp_class_id
->type
)),
1326 PRFIELD_GSTRING(comp_class_id
->name
),
1327 PRFIELD_GSTRING(comp_class_id
->plugin_name
));
1331 static inline void handle_conversion_specifier_bt(void *priv_data
,
1332 char **buf_ch
, size_t avail_size
,
1333 const char **out_fmt_ch
, va_list *args
)
1335 const char *fmt_ch
= *out_fmt_ch
;
1336 bool extended
= false;
1338 char *prefix_ch
= prefix
;
1344 if (*fmt_ch
== 'u') {
1346 obj
= va_arg(*args
, void *);
1347 format_uuid(buf_ch
, obj
);
1351 if (*fmt_ch
== '[') {
1356 if (*fmt_ch
== ']') {
1362 *prefix_ch
= *fmt_ch
;
1370 if (*fmt_ch
== '+') {
1375 obj
= va_arg(*args
, void *);
1376 BUF_APPEND("%saddr=%p", prefix
, obj
);
1384 format_field_class(buf_ch
, extended
, prefix
, obj
);
1387 format_field(buf_ch
, extended
, prefix
, obj
);
1390 format_field_path(buf_ch
, extended
, prefix
, obj
);
1393 format_event_class(buf_ch
, extended
, prefix
, obj
);
1396 format_event(buf_ch
, extended
, prefix
, obj
);
1399 format_stream_class(buf_ch
, extended
, prefix
, obj
);
1402 format_stream(buf_ch
, extended
, prefix
, obj
);
1405 format_packet(buf_ch
, extended
, prefix
, obj
);
1408 format_trace(buf_ch
, extended
, prefix
, obj
);
1411 format_trace_class(buf_ch
, extended
, prefix
, obj
);
1414 format_clock_class(buf_ch
, extended
, prefix
, obj
);
1417 format_clock_snapshot(buf_ch
, extended
, prefix
, obj
);
1420 format_value(buf_ch
, extended
, prefix
, obj
);
1423 format_integer_range_set(buf_ch
, extended
, prefix
, obj
);
1426 format_message(buf_ch
, extended
, prefix
, obj
);
1429 format_message_iterator(buf_ch
, extended
, prefix
, obj
);
1432 format_component_class(buf_ch
, extended
, prefix
, obj
);
1435 format_component(buf_ch
, extended
, prefix
, obj
);
1438 format_port(buf_ch
, extended
, prefix
, obj
);
1441 format_connection(buf_ch
, extended
, prefix
, obj
);
1444 format_plugin(buf_ch
, extended
, prefix
, obj
);
1447 format_graph(buf_ch
, extended
, prefix
, obj
);
1450 format_object_pool(buf_ch
, extended
, prefix
, obj
);
1453 format_object(buf_ch
, extended
, prefix
, obj
);
1456 format_error_cause(buf_ch
, extended
, prefix
, obj
);
1464 *out_fmt_ch
= fmt_ch
;
1467 void bt_lib_log(const char *func
, const char *file
, unsigned line
,
1468 int lvl
, const char *tag
, const char *fmt
, ...)
1473 va_start(args
, fmt
);
1474 bt_common_custom_vsnprintf(lib_logging_buf
, LIB_LOGGING_BUF_SIZE
, '!',
1475 handle_conversion_specifier_bt
, NULL
, fmt
, &args
);
1477 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s", lib_logging_buf
);
1480 void bt_lib_maybe_log_and_append_cause(const char *func
, const char *file
,
1481 unsigned line
, int lvl
, const char *tag
,
1482 const char *fmt
, ...)
1485 bt_current_thread_error_append_cause_status status
;
1488 va_start(args
, fmt
);
1489 bt_common_custom_vsnprintf(lib_logging_buf
, LIB_LOGGING_BUF_SIZE
, '!',
1490 handle_conversion_specifier_bt
, NULL
, fmt
, &args
);
1493 /* Log conditionally, but always append the error cause */
1494 if (BT_LOG_ON(lvl
)) {
1495 _bt_log_write_d(func
, file
, line
, lvl
, tag
, "%s",
1499 status
= bt_current_thread_error_append_cause_from_unknown(
1500 "Babeltrace library", file
, line
, "%s", lib_logging_buf
);
1503 * Worst case: this error cause is not appended to the
1504 * current thread's error.
1506 * We can accept this as it's an almost impossible
1507 * scenario and returning an error here would mean you
1508 * need to check the return value of each
1509 * BT_LIB_LOG*_APPEND_CAUSE() macro and that would be
1512 BT_LOGE("Cannot append error cause to current thread's "
1513 "error object: status=%s",
1514 bt_common_func_status_string(status
));