Commit | Line | Data |
---|---|---|
4f45f9bb JD |
1 | /* |
2 | * Babeltrace - Debug Information State Tracker | |
3 | * | |
4 | * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation | |
5 | * Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com> | |
6 | * Copyright (c) 2015 Antoine Busque <abusque@efficios.com> | |
7 | * Copyright (c) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
ebf87996 | 8 | * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com> |
4f45f9bb JD |
9 | * |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
b4565e8b PP |
29 | #define BT_LOG_TAG "PLUGIN-CTF-LTTNG-UTILS-DEBUG-INFO-FLT" |
30 | #include "logging.h" | |
31 | ||
4f45f9bb | 32 | #include <glib.h> |
ebf87996 FD |
33 | #include <plugins-common.h> |
34 | ||
35 | #include <babeltrace/assert-internal.h> | |
36 | #include <babeltrace/common-internal.h> | |
37 | ||
4f45f9bb | 38 | #include "bin-info.h" |
ebf87996 FD |
39 | #include "debug-info.h" |
40 | #include "trace-ir-data-copy.h" | |
41 | #include "trace-ir-mapping.h" | |
42 | #include "trace-ir-metadata-copy.h" | |
4f45f9bb | 43 | #include "utils.h" |
ebf87996 FD |
44 | |
45 | #define DEFAULT_DEBUG_INFO_FIELD_NAME "debug_info" | |
46 | #define LTTNG_UST_STATEDUMP_PREFIX "lttng_ust" | |
47 | #define VPID_FIELD_NAME "vpid" | |
48 | #define IP_FIELD_NAME "ip" | |
49 | #define BADDR_FIELD_NAME "baddr" | |
50 | #define CRC32_FIELD_NAME "crc" | |
51 | #define BUILD_ID_FIELD_NAME "build_id" | |
52 | #define FILENAME_FIELD_NAME "filename" | |
53 | #define IS_PIC_FIELD_NAME "is_pic" | |
54 | #define MEMSZ_FIELD_NAME "memsz" | |
55 | #define PATH_FIELD_NAME "path" | |
56 | ||
57 | struct debug_info_component { | |
58 | char *arg_debug_info_field_name; | |
59 | const char *arg_debug_dir; | |
60 | bool arg_full_path; | |
61 | const char *arg_target_prefix; | |
62 | }; | |
63 | ||
64 | struct debug_info_msg_iter { | |
65 | struct debug_info_component *debug_info_component; | |
66 | bt_self_message_iterator *input_iterator; | |
67 | bt_self_component *self_comp; | |
68 | bt_self_component_port_input_message_iterator *msg_iter; | |
69 | ||
70 | struct trace_ir_maps *ir_maps; | |
71 | /* in_trace -> debug_info_mapping. */ | |
72 | GHashTable *debug_info_map; | |
73 | }; | |
74 | ||
75 | struct debug_info_source { | |
76 | /* Strings are owned by debug_info_source. */ | |
77 | char *func; | |
78 | /* | |
79 | * Store the line number as a string so that the allocation and | |
80 | * conversion to string is only done once. | |
81 | */ | |
82 | char *line_no; | |
83 | char *src_path; | |
84 | /* short_src_path points inside src_path, no need to free. */ | |
85 | const char *short_src_path; | |
86 | char *bin_path; | |
87 | /* short_bin_path points inside bin_path, no need to free. */ | |
88 | const char *short_bin_path; | |
89 | /* | |
90 | * Location within the binary. Either absolute (@0x1234) or | |
91 | * relative (+0x4321). | |
92 | */ | |
93 | char *bin_loc; | |
94 | }; | |
4f45f9bb JD |
95 | |
96 | struct proc_debug_info_sources { | |
97 | /* | |
98 | * Hash table: base address (pointer to uint64_t) to bin info; owned by | |
99 | * proc_debug_info_sources. | |
100 | */ | |
101 | GHashTable *baddr_to_bin_info; | |
102 | ||
103 | /* | |
104 | * Hash table: IP (pointer to uint64_t) to (struct debug_info_source *); | |
105 | * owned by proc_debug_info_sources. | |
106 | */ | |
107 | GHashTable *ip_to_debug_info_src; | |
108 | }; | |
109 | ||
110 | struct debug_info { | |
9d325e17 | 111 | struct debug_info_component *comp; |
ebf87996 FD |
112 | const bt_trace *input_trace; |
113 | uint64_t destruction_listener_id; | |
9d325e17 | 114 | |
4f45f9bb JD |
115 | /* |
116 | * Hash table of VPIDs (pointer to int64_t) to | |
117 | * (struct ctf_proc_debug_infos*); owned by debug_info. | |
118 | */ | |
119 | GHashTable *vpid_to_proc_dbg_info_src; | |
120 | GQuark q_statedump_bin_info; | |
121 | GQuark q_statedump_debug_link; | |
122 | GQuark q_statedump_build_id; | |
123 | GQuark q_statedump_start; | |
124 | GQuark q_dl_open; | |
125 | GQuark q_lib_load; | |
126 | GQuark q_lib_unload; | |
127 | }; | |
128 | ||
129 | static | |
130 | int debug_info_init(struct debug_info *info) | |
131 | { | |
132 | info->q_statedump_bin_info = g_quark_from_string( | |
133 | "lttng_ust_statedump:bin_info"); | |
134 | info->q_statedump_debug_link = g_quark_from_string( | |
ebf87996 | 135 | "lttng_ust_statedump:debug_link"); |
4f45f9bb JD |
136 | info->q_statedump_build_id = g_quark_from_string( |
137 | "lttng_ust_statedump:build_id"); | |
138 | info->q_statedump_start = g_quark_from_string( | |
139 | "lttng_ust_statedump:start"); | |
140 | info->q_dl_open = g_quark_from_string("lttng_ust_dl:dlopen"); | |
141 | info->q_lib_load = g_quark_from_string("lttng_ust_lib:load"); | |
142 | info->q_lib_unload = g_quark_from_string("lttng_ust_lib:unload"); | |
143 | ||
144 | return bin_info_init(); | |
145 | } | |
146 | ||
147 | static | |
148 | void debug_info_source_destroy(struct debug_info_source *debug_info_src) | |
149 | { | |
150 | if (!debug_info_src) { | |
151 | return; | |
152 | } | |
153 | ||
154 | free(debug_info_src->func); | |
ebf87996 | 155 | free(debug_info_src->line_no); |
4f45f9bb JD |
156 | free(debug_info_src->src_path); |
157 | free(debug_info_src->bin_path); | |
158 | free(debug_info_src->bin_loc); | |
159 | g_free(debug_info_src); | |
160 | } | |
161 | ||
162 | static | |
ebf87996 FD |
163 | struct debug_info_source *debug_info_source_create_from_bin( |
164 | struct bin_info *bin, uint64_t ip) | |
4f45f9bb JD |
165 | { |
166 | int ret; | |
167 | struct debug_info_source *debug_info_src = NULL; | |
168 | struct source_location *src_loc = NULL; | |
169 | ||
170 | debug_info_src = g_new0(struct debug_info_source, 1); | |
171 | ||
172 | if (!debug_info_src) { | |
173 | goto end; | |
174 | } | |
175 | ||
176 | /* Lookup function name */ | |
177 | ret = bin_info_lookup_function_name(bin, ip, &debug_info_src->func); | |
178 | if (ret) { | |
179 | goto error; | |
180 | } | |
181 | ||
182 | /* Can't retrieve src_loc from ELF, or could not find binary, skip. */ | |
183 | if (!bin->is_elf_only || !debug_info_src->func) { | |
184 | /* Lookup source location */ | |
185 | ret = bin_info_lookup_source_location(bin, ip, &src_loc); | |
ebf87996 FD |
186 | if (ret) { |
187 | BT_LOGD("Failed to lookup source location: ret=%d", ret); | |
188 | } | |
4f45f9bb JD |
189 | } |
190 | ||
191 | if (src_loc) { | |
ebf87996 FD |
192 | ret = asprintf(&debug_info_src->line_no, "%"PRId64, src_loc->line_no); |
193 | if (ret == -1) { | |
194 | BT_LOGD("Error occured when setting line_no field."); | |
195 | goto error; | |
196 | } | |
4f45f9bb JD |
197 | |
198 | if (src_loc->filename) { | |
199 | debug_info_src->src_path = strdup(src_loc->filename); | |
200 | if (!debug_info_src->src_path) { | |
201 | goto error; | |
202 | } | |
203 | ||
204 | debug_info_src->short_src_path = get_filename_from_path( | |
205 | debug_info_src->src_path); | |
206 | } | |
4f45f9bb JD |
207 | source_location_destroy(src_loc); |
208 | } | |
209 | ||
210 | if (bin->elf_path) { | |
211 | debug_info_src->bin_path = strdup(bin->elf_path); | |
212 | if (!debug_info_src->bin_path) { | |
213 | goto error; | |
214 | } | |
215 | ||
216 | debug_info_src->short_bin_path = get_filename_from_path( | |
217 | debug_info_src->bin_path); | |
218 | ||
219 | ret = bin_info_get_bin_loc(bin, ip, &(debug_info_src->bin_loc)); | |
220 | if (ret) { | |
221 | goto error; | |
222 | } | |
223 | } | |
224 | ||
225 | end: | |
226 | return debug_info_src; | |
227 | ||
228 | error: | |
229 | debug_info_source_destroy(debug_info_src); | |
230 | return NULL; | |
231 | } | |
232 | ||
233 | static | |
234 | void proc_debug_info_sources_destroy( | |
235 | struct proc_debug_info_sources *proc_dbg_info_src) | |
236 | { | |
237 | if (!proc_dbg_info_src) { | |
238 | return; | |
239 | } | |
240 | ||
241 | if (proc_dbg_info_src->baddr_to_bin_info) { | |
242 | g_hash_table_destroy(proc_dbg_info_src->baddr_to_bin_info); | |
243 | } | |
244 | ||
245 | if (proc_dbg_info_src->ip_to_debug_info_src) { | |
246 | g_hash_table_destroy(proc_dbg_info_src->ip_to_debug_info_src); | |
247 | } | |
248 | ||
249 | g_free(proc_dbg_info_src); | |
250 | } | |
251 | ||
252 | static | |
253 | struct proc_debug_info_sources *proc_debug_info_sources_create(void) | |
254 | { | |
255 | struct proc_debug_info_sources *proc_dbg_info_src = NULL; | |
256 | ||
257 | proc_dbg_info_src = g_new0(struct proc_debug_info_sources, 1); | |
258 | if (!proc_dbg_info_src) { | |
259 | goto end; | |
260 | } | |
261 | ||
262 | proc_dbg_info_src->baddr_to_bin_info = g_hash_table_new_full( | |
263 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, | |
264 | (GDestroyNotify) bin_info_destroy); | |
265 | if (!proc_dbg_info_src->baddr_to_bin_info) { | |
266 | goto error; | |
267 | } | |
268 | ||
269 | proc_dbg_info_src->ip_to_debug_info_src = g_hash_table_new_full( | |
270 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, | |
271 | (GDestroyNotify) debug_info_source_destroy); | |
272 | if (!proc_dbg_info_src->ip_to_debug_info_src) { | |
273 | goto error; | |
274 | } | |
275 | ||
276 | end: | |
277 | return proc_dbg_info_src; | |
278 | ||
279 | error: | |
280 | proc_debug_info_sources_destroy(proc_dbg_info_src); | |
281 | return NULL; | |
282 | } | |
283 | ||
284 | static | |
285 | struct proc_debug_info_sources *proc_debug_info_sources_ht_get_entry( | |
286 | GHashTable *ht, int64_t vpid) | |
287 | { | |
288 | gpointer key = g_new0(int64_t, 1); | |
289 | struct proc_debug_info_sources *proc_dbg_info_src = NULL; | |
290 | ||
291 | if (!key) { | |
292 | goto end; | |
293 | } | |
294 | ||
295 | *((int64_t *) key) = vpid; | |
296 | ||
297 | /* Exists? Return it */ | |
298 | proc_dbg_info_src = g_hash_table_lookup(ht, key); | |
299 | if (proc_dbg_info_src) { | |
300 | goto end; | |
301 | } | |
302 | ||
303 | /* Otherwise, create and return it */ | |
304 | proc_dbg_info_src = proc_debug_info_sources_create(); | |
305 | if (!proc_dbg_info_src) { | |
306 | goto end; | |
307 | } | |
308 | ||
309 | g_hash_table_insert(ht, key, proc_dbg_info_src); | |
310 | /* Ownership passed to ht */ | |
311 | key = NULL; | |
312 | end: | |
313 | g_free(key); | |
314 | return proc_dbg_info_src; | |
315 | } | |
316 | ||
ebf87996 FD |
317 | static inline |
318 | const bt_field *event_borrow_payload_field(const bt_event *event, | |
319 | const char *field_name) | |
320 | { | |
321 | const bt_field *event_payload, *field; | |
322 | ||
323 | event_payload = bt_event_borrow_payload_field_const(event); | |
324 | BT_ASSERT(event_payload); | |
325 | ||
326 | field = bt_field_structure_borrow_member_field_by_name_const( | |
327 | event_payload, field_name); | |
328 | return field; | |
329 | } | |
330 | ||
331 | static inline | |
332 | const bt_field *event_borrow_common_context_field(const bt_event *event, | |
333 | const char *field_name) | |
334 | { | |
335 | const bt_field *event_common_ctx, *field = NULL; | |
336 | ||
337 | event_common_ctx = bt_event_borrow_common_context_field_const(event); | |
338 | if (!event_common_ctx) { | |
339 | goto end; | |
340 | } | |
341 | ||
342 | field = bt_field_structure_borrow_member_field_by_name_const( | |
343 | event_common_ctx, field_name); | |
344 | ||
345 | end: | |
346 | return field; | |
347 | } | |
348 | ||
349 | static inline | |
350 | void event_get_common_context_signed_integer_field_value( | |
351 | const bt_event *event, const char *field_name, int64_t *value) | |
352 | { | |
353 | *value = bt_field_signed_integer_get_value( | |
354 | event_borrow_common_context_field(event, field_name)); | |
355 | } | |
356 | ||
357 | static inline | |
358 | int event_get_payload_build_id_length(const bt_event *event, | |
359 | const char *field_name, uint64_t *build_id_len) | |
360 | { | |
361 | const bt_field *build_id_field; | |
362 | const bt_field_class *build_id_field_class; | |
363 | ||
364 | build_id_field = event_borrow_payload_field(event, field_name); | |
365 | build_id_field_class = bt_field_borrow_class_const(build_id_field); | |
366 | ||
367 | BT_ASSERT(bt_field_class_get_type(build_id_field_class) == | |
368 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY); | |
369 | BT_ASSERT(bt_field_class_get_type( | |
370 | bt_field_class_array_borrow_element_field_class_const( | |
371 | build_id_field_class)) == | |
372 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER); | |
373 | ||
374 | *build_id_len = bt_field_array_get_length(build_id_field); | |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
379 | static inline | |
380 | int event_get_payload_build_id_value(const bt_event *event, | |
381 | const char *field_name, uint8_t *build_id) | |
382 | { | |
383 | const bt_field *curr_field, *build_id_field; | |
384 | const bt_field_class *build_id_field_class; | |
385 | uint64_t i, build_id_len; | |
386 | int ret; | |
387 | ||
388 | ret = 0; | |
389 | ||
390 | build_id_field = event_borrow_payload_field(event, field_name); | |
391 | build_id_field_class = bt_field_borrow_class_const(build_id_field); | |
392 | ||
393 | BT_ASSERT(bt_field_class_get_type(build_id_field_class) == | |
394 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY); | |
395 | BT_ASSERT(bt_field_class_get_type( | |
396 | bt_field_class_array_borrow_element_field_class_const( | |
397 | build_id_field_class)) == | |
398 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER); | |
399 | ||
400 | build_id_len = bt_field_array_get_length(build_id_field); | |
401 | ||
402 | for (i = 0; i < build_id_len; i++) { | |
403 | curr_field = | |
404 | bt_field_array_borrow_element_field_by_index_const( | |
405 | build_id_field, i); | |
406 | ||
407 | build_id[i] = bt_field_unsigned_integer_get_value(curr_field); | |
408 | } | |
409 | ||
410 | return ret; | |
411 | } | |
412 | ||
413 | static | |
414 | void event_get_payload_unsigned_integer_field_value(const bt_event *event, | |
415 | const char *field_name, uint64_t *value) | |
416 | { | |
417 | *value = bt_field_unsigned_integer_get_value( | |
418 | event_borrow_payload_field(event, field_name)); | |
419 | } | |
420 | ||
421 | static | |
422 | void event_get_payload_string_field_value(const bt_event *event, | |
423 | const char *field_name, const char **value) | |
424 | { | |
425 | *value = bt_field_string_get_value( | |
426 | event_borrow_payload_field(event, field_name)); | |
427 | } | |
428 | ||
429 | static inline | |
430 | bool event_has_payload_field(const bt_event *event, | |
431 | const char *field_name) | |
432 | { | |
433 | return event_borrow_payload_field(event, field_name) != NULL; | |
434 | } | |
435 | ||
4f45f9bb JD |
436 | static |
437 | struct debug_info_source *proc_debug_info_sources_get_entry( | |
438 | struct proc_debug_info_sources *proc_dbg_info_src, uint64_t ip) | |
439 | { | |
440 | struct debug_info_source *debug_info_src = NULL; | |
441 | gpointer key = g_new0(uint64_t, 1); | |
442 | GHashTableIter iter; | |
443 | gpointer baddr, value; | |
444 | ||
445 | if (!key) { | |
446 | goto end; | |
447 | } | |
448 | ||
449 | *((uint64_t *) key) = ip; | |
450 | ||
451 | /* Look in IP to debug infos hash table first. */ | |
452 | debug_info_src = g_hash_table_lookup( | |
453 | proc_dbg_info_src->ip_to_debug_info_src, | |
454 | key); | |
455 | if (debug_info_src) { | |
456 | goto end; | |
457 | } | |
458 | ||
459 | /* Check in all bin_infos. */ | |
460 | g_hash_table_iter_init(&iter, proc_dbg_info_src->baddr_to_bin_info); | |
461 | ||
462 | while (g_hash_table_iter_next(&iter, &baddr, &value)) | |
463 | { | |
464 | struct bin_info *bin = value; | |
465 | ||
466 | if (!bin_info_has_address(value, ip)) { | |
467 | continue; | |
468 | } | |
469 | ||
470 | /* | |
471 | * Found; add it to cache. | |
472 | * | |
473 | * FIXME: this should be bounded in size (and implement | |
474 | * a caching policy), and entries should be prunned when | |
475 | * libraries are unmapped. | |
476 | */ | |
477 | debug_info_src = debug_info_source_create_from_bin(bin, ip); | |
478 | if (debug_info_src) { | |
479 | g_hash_table_insert( | |
480 | proc_dbg_info_src->ip_to_debug_info_src, | |
481 | key, debug_info_src); | |
482 | /* Ownership passed to ht. */ | |
483 | key = NULL; | |
484 | } | |
485 | break; | |
486 | } | |
487 | ||
488 | end: | |
489 | free(key); | |
490 | return debug_info_src; | |
491 | } | |
492 | ||
493 | BT_HIDDEN | |
494 | struct debug_info_source *debug_info_query(struct debug_info *debug_info, | |
495 | int64_t vpid, uint64_t ip) | |
496 | { | |
497 | struct debug_info_source *dbg_info_src = NULL; | |
498 | struct proc_debug_info_sources *proc_dbg_info_src; | |
499 | ||
500 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
501 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
502 | if (!proc_dbg_info_src) { | |
503 | goto end; | |
504 | } | |
505 | ||
506 | dbg_info_src = proc_debug_info_sources_get_entry(proc_dbg_info_src, ip); | |
507 | ||
508 | end: | |
509 | return dbg_info_src; | |
510 | } | |
511 | ||
512 | BT_HIDDEN | |
ebf87996 FD |
513 | struct debug_info *debug_info_create(struct debug_info_component *comp, |
514 | const bt_trace *trace) | |
4f45f9bb JD |
515 | { |
516 | int ret; | |
517 | struct debug_info *debug_info; | |
518 | ||
519 | debug_info = g_new0(struct debug_info, 1); | |
520 | if (!debug_info) { | |
521 | goto end; | |
522 | } | |
523 | ||
524 | debug_info->vpid_to_proc_dbg_info_src = g_hash_table_new_full( | |
525 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, | |
526 | (GDestroyNotify) proc_debug_info_sources_destroy); | |
527 | if (!debug_info->vpid_to_proc_dbg_info_src) { | |
528 | goto error; | |
529 | } | |
530 | ||
9d325e17 | 531 | debug_info->comp = comp; |
4f45f9bb JD |
532 | ret = debug_info_init(debug_info); |
533 | if (ret) { | |
534 | goto error; | |
535 | } | |
536 | ||
ebf87996 FD |
537 | debug_info->input_trace = trace; |
538 | ||
4f45f9bb JD |
539 | end: |
540 | return debug_info; | |
541 | error: | |
542 | g_free(debug_info); | |
543 | return NULL; | |
544 | } | |
545 | ||
546 | BT_HIDDEN | |
547 | void debug_info_destroy(struct debug_info *debug_info) | |
548 | { | |
ebf87996 | 549 | bt_trace_status status; |
4f45f9bb JD |
550 | if (!debug_info) { |
551 | goto end; | |
552 | } | |
553 | ||
554 | if (debug_info->vpid_to_proc_dbg_info_src) { | |
555 | g_hash_table_destroy(debug_info->vpid_to_proc_dbg_info_src); | |
556 | } | |
557 | ||
ebf87996 FD |
558 | status = bt_trace_remove_destruction_listener(debug_info->input_trace, |
559 | debug_info->destruction_listener_id); | |
bfab071f FD |
560 | if (status != BT_TRACE_STATUS_OK) { |
561 | BT_LOGD("Trace destruction listener removal failed."); | |
562 | } | |
ebf87996 | 563 | |
4f45f9bb JD |
564 | g_free(debug_info); |
565 | end: | |
566 | return; | |
567 | } | |
568 | ||
569 | static | |
ebf87996 | 570 | void handle_event_statedump_build_id(struct debug_info *debug_info, |
b9879703 | 571 | const bt_event *event) |
4f45f9bb JD |
572 | { |
573 | struct proc_debug_info_sources *proc_dbg_info_src; | |
ebf87996 FD |
574 | uint64_t build_id_len, baddr; |
575 | uint8_t *build_id = NULL; | |
576 | struct bin_info *bin; | |
4f45f9bb | 577 | int64_t vpid; |
ebf87996 | 578 | int ret = 0; |
4f45f9bb | 579 | |
ebf87996 FD |
580 | event_get_common_context_signed_integer_field_value(event, |
581 | VPID_FIELD_NAME, &vpid); | |
582 | event_get_payload_unsigned_integer_field_value(event, | |
583 | BADDR_FIELD_NAME, &baddr); | |
4f45f9bb JD |
584 | |
585 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
586 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
587 | if (!proc_dbg_info_src) { | |
588 | goto end; | |
589 | } | |
590 | ||
591 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, | |
592 | (gpointer) &baddr); | |
593 | if (!bin) { | |
594 | /* | |
595 | * The build_id event comes after the bin has been | |
596 | * created. If it isn't found, just ignore this event. | |
597 | */ | |
598 | goto end; | |
599 | } | |
ebf87996 FD |
600 | ret = event_get_payload_build_id_length(event, BUILD_ID_FIELD_NAME, |
601 | &build_id_len); | |
602 | ||
603 | build_id = g_new0(uint8_t, build_id_len); | |
604 | if (!build_id) { | |
605 | goto end; | |
606 | } | |
4f45f9bb | 607 | |
ebf87996 FD |
608 | ret = event_get_payload_build_id_value(event, BUILD_ID_FIELD_NAME, |
609 | build_id); | |
4f45f9bb | 610 | if (ret) { |
4f45f9bb JD |
611 | goto end; |
612 | } | |
ebf87996 FD |
613 | |
614 | ret = bin_info_set_build_id(bin, build_id, build_id_len); | |
615 | if (ret) { | |
616 | goto end; | |
445e79d6 | 617 | } |
4f45f9bb JD |
618 | |
619 | /* | |
620 | * Reset the is_elf_only flag in case it had been set | |
621 | * previously, because we might find separate debug info using | |
622 | * the new build id information. | |
623 | */ | |
624 | bin->is_elf_only = false; | |
625 | ||
4f45f9bb | 626 | end: |
ebf87996 | 627 | g_free(build_id); |
4f45f9bb JD |
628 | return; |
629 | } | |
630 | ||
631 | static | |
ebf87996 | 632 | void handle_event_statedump_debug_link(struct debug_info *debug_info, |
b9879703 | 633 | const bt_event *event) |
4f45f9bb JD |
634 | { |
635 | struct proc_debug_info_sources *proc_dbg_info_src; | |
636 | struct bin_info *bin = NULL; | |
637 | int64_t vpid; | |
638 | uint64_t baddr; | |
639 | const char *filename = NULL; | |
640 | uint32_t crc32; | |
ebf87996 | 641 | uint64_t crc_field_value; |
4f45f9bb | 642 | |
ebf87996 | 643 | event_get_common_context_signed_integer_field_value(event, |
c4838cef | 644 | VPID_FIELD_NAME, &vpid); |
4f45f9bb | 645 | |
ebf87996 FD |
646 | event_get_payload_unsigned_integer_field_value(event, |
647 | BADDR_FIELD_NAME, &baddr); | |
4f45f9bb | 648 | |
ebf87996 FD |
649 | event_get_payload_unsigned_integer_field_value(event, |
650 | CRC32_FIELD_NAME, &crc_field_value); | |
4f45f9bb | 651 | |
ebf87996 FD |
652 | crc32 = (uint32_t) crc_field_value; |
653 | ||
654 | event_get_payload_string_field_value(event, | |
655 | FILENAME_FIELD_NAME, &filename); | |
4f45f9bb JD |
656 | |
657 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
658 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
659 | if (!proc_dbg_info_src) { | |
660 | goto end; | |
661 | } | |
662 | ||
663 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, | |
664 | (gpointer) &baddr); | |
665 | if (!bin) { | |
666 | /* | |
667 | * The debug_link event comes after the bin has been | |
668 | * created. If it isn't found, just ignore this event. | |
669 | */ | |
670 | goto end; | |
671 | } | |
672 | ||
673 | bin_info_set_debug_link(bin, filename, crc32); | |
674 | ||
675 | end: | |
676 | return; | |
677 | } | |
678 | ||
679 | static | |
ebf87996 | 680 | void handle_bin_info_event(struct debug_info *debug_info, |
b9879703 | 681 | const bt_event *event, bool has_pic_field) |
4f45f9bb JD |
682 | { |
683 | struct proc_debug_info_sources *proc_dbg_info_src; | |
684 | struct bin_info *bin; | |
685 | uint64_t baddr, memsz; | |
686 | int64_t vpid; | |
687 | const char *path; | |
688 | gpointer key = NULL; | |
689 | bool is_pic; | |
4f45f9bb | 690 | |
ebf87996 FD |
691 | event_get_payload_unsigned_integer_field_value(event, |
692 | MEMSZ_FIELD_NAME, &memsz); | |
693 | if (memsz == 0) { | |
694 | /* Ignore VDSO. */ | |
4f45f9bb JD |
695 | goto end; |
696 | } | |
697 | ||
ebf87996 FD |
698 | event_get_payload_unsigned_integer_field_value(event, |
699 | BADDR_FIELD_NAME, &baddr); | |
4f45f9bb | 700 | |
65db8b88 JD |
701 | /* |
702 | * This field is not produced by the dlopen event emitted before | |
703 | * lttng-ust 2.9. | |
704 | */ | |
ebf87996 | 705 | if (!event_has_payload_field(event, PATH_FIELD_NAME)) { |
4f45f9bb JD |
706 | goto end; |
707 | } | |
ebf87996 | 708 | event_get_payload_string_field_value(event, PATH_FIELD_NAME, &path); |
4f45f9bb JD |
709 | |
710 | if (has_pic_field) { | |
ebf87996 | 711 | uint64_t is_pic_field_value; |
4f45f9bb | 712 | |
ebf87996 FD |
713 | event_get_payload_unsigned_integer_field_value(event, |
714 | IS_PIC_FIELD_NAME, &is_pic_field_value); | |
715 | is_pic = is_pic_field_value == 1; | |
4f45f9bb JD |
716 | } else { |
717 | /* | |
718 | * dlopen has no is_pic field, because the shared | |
719 | * object is always PIC. | |
720 | */ | |
721 | is_pic = true; | |
722 | } | |
723 | ||
ebf87996 | 724 | event_get_common_context_signed_integer_field_value(event, |
c4838cef | 725 | VPID_FIELD_NAME, &vpid); |
4f45f9bb JD |
726 | |
727 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
728 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
729 | if (!proc_dbg_info_src) { | |
730 | goto end; | |
731 | } | |
732 | ||
733 | key = g_new0(uint64_t, 1); | |
734 | if (!key) { | |
735 | goto end; | |
736 | } | |
737 | ||
738 | *((uint64_t *) key) = baddr; | |
739 | ||
740 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, | |
741 | key); | |
742 | if (bin) { | |
743 | goto end; | |
744 | } | |
745 | ||
9d325e17 PP |
746 | bin = bin_info_create(path, baddr, memsz, is_pic, |
747 | debug_info->comp->arg_debug_dir, | |
748 | debug_info->comp->arg_target_prefix); | |
4f45f9bb JD |
749 | if (!bin) { |
750 | goto end; | |
751 | } | |
752 | ||
753 | g_hash_table_insert(proc_dbg_info_src->baddr_to_bin_info, | |
754 | key, bin); | |
755 | /* Ownership passed to ht. */ | |
756 | key = NULL; | |
757 | ||
758 | end: | |
759 | g_free(key); | |
760 | return; | |
761 | } | |
762 | ||
763 | static inline | |
ebf87996 | 764 | void handle_event_statedump_bin_info(struct debug_info *debug_info, |
b9879703 | 765 | const bt_event *event) |
4f45f9bb | 766 | { |
ebf87996 | 767 | handle_bin_info_event(debug_info, event, true); |
4f45f9bb JD |
768 | } |
769 | ||
770 | static inline | |
ebf87996 | 771 | void handle_event_lib_load(struct debug_info *debug_info, |
b9879703 | 772 | const bt_event *event) |
4f45f9bb | 773 | { |
ebf87996 | 774 | handle_bin_info_event(debug_info, event, false); |
4f45f9bb JD |
775 | } |
776 | ||
ebf87996 FD |
777 | static |
778 | void handle_event_lib_unload(struct debug_info *debug_info, | |
b9879703 | 779 | const bt_event *event) |
4f45f9bb | 780 | { |
ebf87996 | 781 | gboolean ret; |
4f45f9bb JD |
782 | struct proc_debug_info_sources *proc_dbg_info_src; |
783 | uint64_t baddr; | |
784 | int64_t vpid; | |
4f45f9bb | 785 | |
ebf87996 FD |
786 | event_get_payload_unsigned_integer_field_value(event, BADDR_FIELD_NAME, |
787 | &baddr); | |
4f45f9bb | 788 | |
ebf87996 FD |
789 | event_get_common_context_signed_integer_field_value(event, |
790 | VPID_FIELD_NAME, &vpid); | |
4f45f9bb JD |
791 | |
792 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
793 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
794 | if (!proc_dbg_info_src) { | |
ebf87996 FD |
795 | /* |
796 | * It's an unload event for a library for which no load event | |
797 | * was previously received. | |
798 | */ | |
4f45f9bb JD |
799 | goto end; |
800 | } | |
801 | ||
ebf87996 FD |
802 | ret = g_hash_table_remove(proc_dbg_info_src->baddr_to_bin_info, |
803 | (gpointer) &baddr); | |
804 | BT_ASSERT(ret); | |
4f45f9bb JD |
805 | end: |
806 | return; | |
807 | } | |
808 | ||
809 | static | |
ebf87996 | 810 | void handle_event_statedump_start(struct debug_info *debug_info, |
b9879703 | 811 | const bt_event *event) |
4f45f9bb JD |
812 | { |
813 | struct proc_debug_info_sources *proc_dbg_info_src; | |
814 | int64_t vpid; | |
4f45f9bb | 815 | |
ebf87996 FD |
816 | event_get_common_context_signed_integer_field_value( |
817 | event, VPID_FIELD_NAME, &vpid); | |
4f45f9bb JD |
818 | |
819 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
820 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
821 | if (!proc_dbg_info_src) { | |
822 | goto end; | |
823 | } | |
824 | ||
825 | g_hash_table_remove_all(proc_dbg_info_src->baddr_to_bin_info); | |
826 | g_hash_table_remove_all(proc_dbg_info_src->ip_to_debug_info_src); | |
827 | ||
828 | end: | |
829 | return; | |
830 | } | |
831 | ||
ebf87996 FD |
832 | void trace_debug_info_remove_func(const bt_trace *in_trace, void *data) |
833 | { | |
834 | struct debug_info_msg_iter *debug_it = data; | |
835 | if (debug_it->debug_info_map) { | |
836 | gboolean ret; | |
837 | ret = g_hash_table_remove(debug_it->debug_info_map, | |
838 | (gpointer) in_trace); | |
839 | BT_ASSERT(ret); | |
840 | } | |
841 | } | |
842 | ||
843 | static | |
844 | void handle_event_statedump(struct debug_info_msg_iter *debug_it, | |
845 | const bt_event *event) | |
4f45f9bb | 846 | { |
b9879703 | 847 | const bt_event_class *event_class; |
4f45f9bb JD |
848 | const char *event_name; |
849 | GQuark q_event_name; | |
ebf87996 FD |
850 | const bt_trace *trace; |
851 | struct debug_info *debug_info; | |
852 | ||
853 | BT_ASSERT(debug_it); | |
854 | BT_ASSERT(event); | |
855 | ||
856 | event_class = bt_event_borrow_class_const(event); | |
4f45f9bb | 857 | |
50842bdc | 858 | event_name = bt_event_class_get_name(event_class); |
ebf87996 FD |
859 | |
860 | trace = bt_stream_borrow_trace_const( | |
861 | bt_event_borrow_stream_const(event)); | |
862 | ||
863 | debug_info = g_hash_table_lookup(debug_it->debug_info_map, trace); | |
864 | if (!debug_info) { | |
865 | debug_info = debug_info_create(debug_it->debug_info_component, | |
866 | trace); | |
867 | g_hash_table_insert(debug_it->debug_info_map, (gpointer) trace, | |
868 | debug_info); | |
869 | bt_trace_add_destruction_listener(trace, | |
870 | trace_debug_info_remove_func, debug_it, | |
871 | &debug_info->destruction_listener_id); | |
4f45f9bb | 872 | } |
ebf87996 | 873 | |
4f45f9bb JD |
874 | q_event_name = g_quark_try_string(event_name); |
875 | ||
876 | if (q_event_name == debug_info->q_statedump_bin_info) { | |
877 | /* State dump */ | |
ebf87996 | 878 | handle_event_statedump_bin_info(debug_info, event); |
4f45f9bb JD |
879 | } else if (q_event_name == debug_info->q_dl_open || |
880 | q_event_name == debug_info->q_lib_load) { | |
881 | /* | |
882 | * dl_open and lib_load events are both checked for since | |
883 | * only dl_open was produced as of lttng-ust 2.8. | |
884 | * | |
885 | * lib_load, which is produced from lttng-ust 2.9+, is a lot | |
886 | * more reliable since it will be emitted when other functions | |
887 | * of the dlopen family are called (e.g. dlmopen) and when | |
888 | * library are transitively loaded. | |
889 | */ | |
ebf87996 | 890 | handle_event_lib_load(debug_info, event); |
4f45f9bb JD |
891 | } else if (q_event_name == debug_info->q_statedump_start) { |
892 | /* Start state dump */ | |
ebf87996 | 893 | handle_event_statedump_start(debug_info, event); |
4f45f9bb JD |
894 | } else if (q_event_name == debug_info->q_statedump_debug_link) { |
895 | /* Debug link info */ | |
ebf87996 | 896 | handle_event_statedump_debug_link(debug_info, event); |
4f45f9bb JD |
897 | } else if (q_event_name == debug_info->q_statedump_build_id) { |
898 | /* Build ID info */ | |
ebf87996 | 899 | handle_event_statedump_build_id(debug_info, event); |
4f45f9bb | 900 | } else if (q_event_name == debug_info-> q_lib_unload) { |
ebf87996 FD |
901 | handle_event_lib_unload(debug_info, event); |
902 | } | |
903 | ||
904 | return; | |
905 | } | |
906 | ||
907 | static | |
908 | void destroy_debug_info_comp(struct debug_info_component *debug_info) | |
909 | { | |
910 | free(debug_info->arg_debug_info_field_name); | |
911 | g_free(debug_info); | |
912 | } | |
913 | ||
914 | static | |
915 | void fill_debug_info_bin_field(struct debug_info_source *dbg_info_src, | |
916 | bool full_path, bt_field *curr_field) | |
917 | { | |
918 | bt_field_status status; | |
919 | ||
920 | BT_ASSERT(bt_field_get_class_type(curr_field) == | |
921 | BT_FIELD_CLASS_TYPE_STRING); | |
922 | ||
923 | if (dbg_info_src) { | |
924 | if (full_path) { | |
925 | status = bt_field_string_set_value(curr_field, | |
926 | dbg_info_src->bin_path); | |
927 | } else { | |
928 | status = bt_field_string_set_value(curr_field, | |
929 | dbg_info_src->short_bin_path); | |
930 | } | |
931 | if (status != BT_FIELD_STATUS_OK) { | |
932 | BT_LOGE("Cannot set path component of \"bin\" " | |
933 | "curr_field field's value: str-fc-addr=%p", | |
934 | curr_field); | |
935 | } | |
936 | ||
937 | status = bt_field_string_append(curr_field, ":"); | |
938 | if (status != BT_FIELD_STATUS_OK) { | |
939 | BT_LOGE("Cannot set colon component of \"bin\" " | |
940 | "curr_field field's value: str-fc-addr=%p", | |
941 | curr_field); | |
942 | } | |
943 | ||
944 | status = bt_field_string_append(curr_field, dbg_info_src->bin_loc); | |
945 | if (status != BT_FIELD_STATUS_OK) { | |
946 | BT_LOGE("Cannot set bin location component of \"bin\" " | |
947 | "curr_field field's value: str-fc-addr=%p", | |
948 | curr_field); | |
949 | } | |
950 | } else { | |
951 | status = bt_field_string_set_value(curr_field, ""); | |
952 | if (status != BT_FIELD_STATUS_OK) { | |
953 | BT_LOGE("Cannot set \"bin\" curr_field field's value: " | |
954 | "str-fc-addr=%p", curr_field); | |
955 | } | |
956 | } | |
957 | } | |
958 | ||
959 | static | |
960 | void fill_debug_info_func_field(struct debug_info_source *dbg_info_src, | |
961 | bt_field *curr_field) | |
962 | { | |
963 | bt_field_status status; | |
964 | ||
965 | BT_ASSERT(bt_field_get_class_type(curr_field) == | |
966 | BT_FIELD_CLASS_TYPE_STRING); | |
967 | if (dbg_info_src && dbg_info_src->func) { | |
968 | status = bt_field_string_set_value(curr_field, | |
969 | dbg_info_src->func); | |
970 | } else { | |
971 | status = bt_field_string_set_value(curr_field, ""); | |
972 | } | |
973 | if (status != BT_FIELD_STATUS_OK) { | |
974 | BT_LOGE("Cannot set \"func\" curr_field field's value: " | |
975 | "str-fc-addr=%p", curr_field); | |
976 | } | |
977 | } | |
978 | ||
979 | static | |
980 | void fill_debug_info_src_field(struct debug_info_source *dbg_info_src, | |
981 | bool full_path, bt_field *curr_field) | |
982 | { | |
983 | bt_field_status status; | |
984 | ||
985 | BT_ASSERT(bt_field_get_class_type(curr_field) == | |
986 | BT_FIELD_CLASS_TYPE_STRING); | |
987 | ||
988 | if (dbg_info_src && dbg_info_src->src_path) { | |
989 | if (full_path) { | |
990 | status = bt_field_string_set_value(curr_field, | |
991 | dbg_info_src->src_path); | |
992 | } else { | |
993 | status = bt_field_string_set_value(curr_field, | |
994 | dbg_info_src->short_src_path); | |
995 | } | |
996 | if (status != BT_FIELD_STATUS_OK) { | |
997 | BT_LOGE("Cannot set path component of \"src\" " | |
998 | "curr_field field's value: str-fc-addr=%p", | |
999 | curr_field); | |
1000 | } | |
1001 | ||
1002 | status = bt_field_string_append(curr_field, ":"); | |
1003 | if (status != BT_FIELD_STATUS_OK) { | |
1004 | BT_LOGE("Cannot set colon component of \"src\" " | |
1005 | "curr_field field's value: str-fc-addr=%p", | |
1006 | curr_field); | |
1007 | } | |
1008 | ||
1009 | status = bt_field_string_append(curr_field, dbg_info_src->line_no); | |
1010 | if (status != BT_FIELD_STATUS_OK) { | |
1011 | BT_LOGE("Cannot set line number component of \"src\" " | |
1012 | "curr_field field's value: str-fc-addr=%p", | |
1013 | curr_field); | |
1014 | } | |
1015 | } else { | |
1016 | status = bt_field_string_set_value(curr_field, ""); | |
1017 | if (status != BT_FIELD_STATUS_OK) { | |
1018 | BT_LOGE("Cannot set \"src\" curr_field field's value: " | |
1019 | "str-fc-addr=%p", curr_field); | |
1020 | } | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | void fill_debug_info_field_empty(bt_field *debug_info_field) | |
1025 | { | |
1026 | bt_field_status status; | |
1027 | bt_field *bin_field, *func_field, *src_field; | |
1028 | ||
1029 | BT_ASSERT(bt_field_get_class_type(debug_info_field) == | |
1030 | BT_FIELD_CLASS_TYPE_STRUCTURE); | |
1031 | ||
1032 | bin_field = bt_field_structure_borrow_member_field_by_name( | |
1033 | debug_info_field, "bin"); | |
1034 | func_field = bt_field_structure_borrow_member_field_by_name( | |
1035 | debug_info_field, "func"); | |
1036 | src_field = bt_field_structure_borrow_member_field_by_name( | |
1037 | debug_info_field, "src"); | |
1038 | ||
1039 | BT_ASSERT(bt_field_get_class_type(bin_field) == | |
1040 | BT_FIELD_CLASS_TYPE_STRING); | |
1041 | BT_ASSERT(bt_field_get_class_type(func_field) == | |
1042 | BT_FIELD_CLASS_TYPE_STRING); | |
1043 | BT_ASSERT(bt_field_get_class_type(src_field) == | |
1044 | BT_FIELD_CLASS_TYPE_STRING); | |
1045 | ||
1046 | status = bt_field_string_set_value(bin_field, ""); | |
1047 | if (status != BT_FIELD_STATUS_OK) { | |
1048 | BT_LOGE("Cannot set \"bin\" bin_field field's value: " | |
1049 | "str-fc-addr=%p", bin_field); | |
1050 | } | |
1051 | ||
1052 | status = bt_field_string_set_value(func_field, ""); | |
1053 | if (status != BT_FIELD_STATUS_OK) { | |
1054 | BT_LOGE("Cannot set \"func\" func_field field's value: " | |
1055 | "str-fc-addr=%p", func_field); | |
1056 | } | |
1057 | ||
1058 | status = bt_field_string_set_value(src_field, ""); | |
1059 | if (status != BT_FIELD_STATUS_OK) { | |
1060 | BT_LOGE("Cannot set \"src\" src_field field's value: " | |
1061 | "str-fc-addr=%p", src_field); | |
1062 | } | |
1063 | } | |
1064 | static | |
1065 | void fill_debug_info_field(struct debug_info *debug_info, int64_t vpid, | |
1066 | uint64_t ip, bt_field *debug_info_field) | |
1067 | { | |
1068 | struct debug_info_source *dbg_info_src; | |
1069 | const bt_field_class *debug_info_fc; | |
1070 | ||
1071 | BT_ASSERT(bt_field_get_class_type(debug_info_field) == | |
1072 | BT_FIELD_CLASS_TYPE_STRUCTURE); | |
1073 | ||
1074 | debug_info_fc = bt_field_borrow_class_const(debug_info_field); | |
1075 | ||
1076 | BT_ASSERT(bt_field_class_structure_get_member_count(debug_info_fc) == 3); | |
1077 | ||
1078 | dbg_info_src = debug_info_query(debug_info, vpid, ip); | |
1079 | ||
1080 | fill_debug_info_bin_field(dbg_info_src, debug_info->comp->arg_full_path, | |
1081 | bt_field_structure_borrow_member_field_by_name( | |
1082 | debug_info_field, "bin")); | |
1083 | fill_debug_info_func_field(dbg_info_src, | |
1084 | bt_field_structure_borrow_member_field_by_name( | |
1085 | debug_info_field, "func")); | |
1086 | fill_debug_info_src_field(dbg_info_src, debug_info->comp->arg_full_path, | |
1087 | bt_field_structure_borrow_member_field_by_name( | |
1088 | debug_info_field, "src")); | |
1089 | } | |
1090 | ||
1091 | static | |
1092 | void fill_debug_info_event_if_needed(struct debug_info_msg_iter *debug_it, | |
1093 | const bt_event *in_event, bt_event *out_event) | |
1094 | { | |
1095 | bt_field *out_common_ctx_field, *out_debug_info_field; | |
1096 | const bt_field *vpid_field, *ip_field, *in_common_ctx_field; | |
1097 | const bt_field_class *in_common_ctx_fc; | |
1098 | struct debug_info *debug_info; | |
1099 | uint64_t vpid; | |
1100 | int64_t ip; | |
1101 | char *debug_info_field_name = | |
1102 | debug_it->debug_info_component->arg_debug_info_field_name; | |
1103 | ||
1104 | in_common_ctx_field = bt_event_borrow_common_context_field_const( | |
1105 | in_event); | |
1106 | if (!in_common_ctx_field) { | |
1107 | /* | |
1108 | * There is no event common context so no need to add debug | |
1109 | * info field. | |
1110 | */ | |
1111 | goto end; | |
1112 | } | |
1113 | ||
1114 | in_common_ctx_fc = bt_field_borrow_class_const(in_common_ctx_field); | |
1115 | if (!is_event_common_ctx_dbg_info_compatible(in_common_ctx_fc, | |
1116 | debug_it->ir_maps->debug_info_field_class_name)) { | |
1117 | /* | |
1118 | * The input event common context does not have the necessary | |
1119 | * fields to resolve debug information. | |
1120 | */ | |
1121 | goto end; | |
1122 | } | |
1123 | ||
1124 | /* Borrow the debug-info field. */ | |
1125 | out_common_ctx_field = bt_event_borrow_common_context_field(out_event); | |
1126 | if (!out_common_ctx_field) { | |
1127 | goto end; | |
4f45f9bb JD |
1128 | } |
1129 | ||
ebf87996 FD |
1130 | out_debug_info_field = bt_field_structure_borrow_member_field_by_name( |
1131 | out_common_ctx_field, debug_info_field_name); | |
1132 | ||
1133 | vpid_field = bt_field_structure_borrow_member_field_by_name_const( | |
1134 | out_common_ctx_field, VPID_FIELD_NAME); | |
1135 | ip_field = bt_field_structure_borrow_member_field_by_name_const( | |
1136 | out_common_ctx_field, IP_FIELD_NAME); | |
1137 | ||
1138 | vpid = bt_field_signed_integer_get_value(vpid_field); | |
1139 | ip = bt_field_unsigned_integer_get_value(ip_field); | |
1140 | ||
1141 | /* | |
1142 | * Borrow the debug_info structure needed for the source | |
1143 | * resolving. | |
1144 | */ | |
1145 | debug_info = g_hash_table_lookup(debug_it->debug_info_map, | |
1146 | bt_stream_borrow_trace_const( | |
1147 | bt_event_borrow_stream_const(in_event))); | |
1148 | ||
1149 | if (debug_info) { | |
1150 | /* | |
1151 | * Perform the debug-info resolving and set the event fields | |
1152 | * accordingly. | |
1153 | */ | |
1154 | fill_debug_info_field(debug_info, vpid, ip, out_debug_info_field); | |
1155 | } else { | |
1156 | BT_LOGD("No debug information for this trace. Setting debug " | |
1157 | "info fields to empty strings."); | |
1158 | fill_debug_info_field_empty(out_debug_info_field); | |
1159 | } | |
4f45f9bb JD |
1160 | end: |
1161 | return; | |
1162 | } | |
ebf87996 FD |
1163 | |
1164 | static | |
1165 | void update_event_statedump_if_needed(struct debug_info_msg_iter *debug_it, | |
1166 | const bt_event *in_event) | |
1167 | { | |
1168 | const bt_field *event_common_ctx; | |
1169 | const bt_field_class *event_common_ctx_fc; | |
1170 | const bt_event_class *in_event_class = bt_event_borrow_class_const(in_event); | |
1171 | ||
1172 | /* | |
1173 | * If the event is an lttng_ust_statedump event AND has the right event | |
1174 | * common context fields update the debug-info view for this process. | |
1175 | */ | |
1176 | event_common_ctx = bt_event_borrow_common_context_field_const(in_event); | |
1177 | if (!event_common_ctx) { | |
1178 | goto end; | |
1179 | } | |
1180 | ||
1181 | event_common_ctx_fc = bt_field_borrow_class_const(event_common_ctx); | |
1182 | if (is_event_common_ctx_dbg_info_compatible(event_common_ctx_fc, | |
1183 | debug_it->ir_maps->debug_info_field_class_name)) { | |
1184 | /* Checkout if it might be a one of lttng ust statedump events. */ | |
1185 | const char *in_event_name = bt_event_class_get_name(in_event_class); | |
1186 | if (strncmp(in_event_name, LTTNG_UST_STATEDUMP_PREFIX, | |
1187 | strlen(LTTNG_UST_STATEDUMP_PREFIX)) == 0) { | |
1188 | /* Handle statedump events. */ | |
1189 | handle_event_statedump(debug_it, in_event); | |
1190 | } | |
1191 | } | |
1192 | end: | |
1193 | return; | |
1194 | } | |
1195 | ||
1196 | static | |
1197 | bt_message *handle_event_message(struct debug_info_msg_iter *debug_it, | |
1198 | const bt_message *in_message) | |
1199 | { | |
1200 | const bt_clock_snapshot *cs; | |
1201 | const bt_clock_class *default_cc; | |
1202 | const bt_packet *in_packet; | |
1203 | bt_clock_snapshot_state cs_state; | |
1204 | bt_event_class *out_event_class; | |
1205 | bt_packet *out_packet; | |
1206 | bt_event *out_event; | |
1207 | ||
1208 | bt_message *out_message = NULL; | |
1209 | ||
1210 | /* Borrow the input event and its event class. */ | |
1211 | const bt_event *in_event = | |
1212 | bt_message_event_borrow_event_const(in_message); | |
1213 | const bt_event_class *in_event_class = | |
1214 | bt_event_borrow_class_const(in_event); | |
1215 | ||
1216 | update_event_statedump_if_needed(debug_it, in_event); | |
1217 | ||
1218 | out_event_class = trace_ir_mapping_borrow_mapped_event_class( | |
1219 | debug_it->ir_maps, in_event_class); | |
1220 | if (!out_event_class) { | |
1221 | out_event_class = trace_ir_mapping_create_new_mapped_event_class( | |
1222 | debug_it->ir_maps, in_event_class); | |
1223 | } | |
1224 | BT_ASSERT(out_event_class); | |
1225 | ||
1226 | /* Borrow the input and output packets. */ | |
1227 | in_packet = bt_event_borrow_packet_const(in_event); | |
1228 | out_packet = trace_ir_mapping_borrow_mapped_packet(debug_it->ir_maps, | |
1229 | in_packet); | |
1230 | ||
1231 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1232 | bt_event_class_borrow_stream_class_const(in_event_class)); | |
1233 | if (default_cc) { | |
1234 | /* Borrow event clock snapshot. */ | |
1235 | cs_state = | |
1236 | bt_message_event_borrow_default_clock_snapshot_const( | |
1237 | in_message, &cs); | |
1238 | ||
1239 | /* Create an output event message. */ | |
1240 | BT_ASSERT (cs_state == BT_CLOCK_SNAPSHOT_STATE_KNOWN); | |
1241 | out_message = bt_message_event_create_with_default_clock_snapshot( | |
1242 | debug_it->input_iterator, | |
1243 | out_event_class, out_packet, | |
1244 | bt_clock_snapshot_get_value(cs)); | |
1245 | } else { | |
1246 | out_message = bt_message_event_create(debug_it->input_iterator, | |
1247 | out_event_class, out_packet); | |
1248 | } | |
1249 | ||
1250 | if (!out_message) { | |
1251 | BT_LOGE("Error creating output event message."); | |
1252 | goto error; | |
1253 | } | |
1254 | ||
1255 | out_event = bt_message_event_borrow_event(out_message); | |
1256 | ||
1257 | /* Copy the original fields to the output event. */ | |
1258 | copy_event_content(in_event, out_event); | |
1259 | ||
1260 | /* | |
1261 | * Try to set the debug-info fields based on debug information that is | |
1262 | * gathered so far. | |
1263 | */ | |
1264 | fill_debug_info_event_if_needed(debug_it, in_event, out_event); | |
1265 | ||
1266 | error: | |
1267 | return out_message; | |
1268 | } | |
1269 | ||
1270 | static | |
1271 | bt_message *handle_stream_begin_message(struct debug_info_msg_iter *debug_it, | |
1272 | const bt_message *in_message) | |
1273 | { | |
1274 | const bt_stream *in_stream; | |
1275 | bt_message *out_message; | |
1276 | bt_stream *out_stream; | |
1277 | ||
1278 | in_stream = bt_message_stream_beginning_borrow_stream_const(in_message); | |
1279 | BT_ASSERT(in_stream); | |
1280 | ||
1281 | /* Create a duplicated output stream. */ | |
1282 | out_stream = trace_ir_mapping_create_new_mapped_stream( | |
1283 | debug_it->ir_maps, in_stream); | |
1284 | if (!out_stream) { | |
1285 | out_message = NULL; | |
1286 | goto error; | |
1287 | } | |
1288 | ||
1289 | /* Create an output stream beginning message. */ | |
1290 | out_message = bt_message_stream_beginning_create( | |
1291 | debug_it->input_iterator, out_stream); | |
1292 | if (!out_message) { | |
1293 | BT_LOGE("Error creating output stream beginning message: " | |
1294 | "out-s-addr=%p", out_stream); | |
1295 | } | |
1296 | error: | |
1297 | return out_message; | |
1298 | } | |
1299 | ||
1300 | static | |
1301 | bt_message *handle_stream_end_message(struct debug_info_msg_iter *debug_it, | |
1302 | const bt_message *in_message) | |
1303 | { | |
1304 | const bt_stream *in_stream; | |
1305 | bt_message *out_message = NULL; | |
1306 | bt_stream *out_stream; | |
1307 | ||
1308 | in_stream = bt_message_stream_end_borrow_stream_const(in_message); | |
1309 | BT_ASSERT(in_stream); | |
1310 | ||
1311 | out_stream = trace_ir_mapping_borrow_mapped_stream( | |
1312 | debug_it->ir_maps, in_stream); | |
1313 | BT_ASSERT(out_stream); | |
1314 | ||
1315 | /* Create an output stream end message. */ | |
1316 | out_message = bt_message_stream_end_create(debug_it->input_iterator, | |
1317 | out_stream); | |
1318 | if (!out_message) { | |
1319 | BT_LOGE("Error creating output stream end message: out-s-addr=%p", | |
1320 | out_stream); | |
1321 | } | |
1322 | ||
1323 | /* Remove stream from trace mapping hashtable. */ | |
1324 | trace_ir_mapping_remove_mapped_stream(debug_it->ir_maps, in_stream); | |
1325 | ||
1326 | return out_message; | |
1327 | } | |
1328 | ||
1329 | static | |
1330 | bt_message *handle_packet_begin_message(struct debug_info_msg_iter *debug_it, | |
1331 | const bt_message *in_message) | |
1332 | { | |
1333 | const bt_clock_class *default_cc; | |
1334 | bt_clock_snapshot_state cs_state; | |
1335 | const bt_clock_snapshot *cs; | |
1336 | bt_message *out_message = NULL; | |
1337 | bt_packet *out_packet; | |
1338 | ||
1339 | const bt_packet *in_packet = | |
1340 | bt_message_packet_beginning_borrow_packet_const(in_message); | |
1341 | BT_ASSERT(in_packet); | |
1342 | ||
1343 | /* This packet should not be already mapped. */ | |
1344 | BT_ASSERT(!trace_ir_mapping_borrow_mapped_packet( | |
1345 | debug_it->ir_maps, in_packet)); | |
1346 | ||
1347 | out_packet = trace_ir_mapping_create_new_mapped_packet(debug_it->ir_maps, | |
1348 | in_packet); | |
1349 | ||
1350 | BT_ASSERT(out_packet); | |
1351 | ||
1352 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1353 | bt_stream_borrow_class_const( | |
1354 | bt_packet_borrow_stream_const(in_packet))); | |
1355 | if (default_cc) { | |
1356 | /* Borrow clock snapshot. */ | |
1357 | cs_state = | |
1358 | bt_message_packet_beginning_borrow_default_clock_snapshot_const( | |
1359 | in_message, &cs); | |
1360 | ||
1361 | /* Create an output packet beginning message. */ | |
1362 | BT_ASSERT(cs_state == BT_CLOCK_SNAPSHOT_STATE_KNOWN); | |
1363 | out_message = bt_message_packet_beginning_create_with_default_clock_snapshot( | |
1364 | debug_it->input_iterator, out_packet, | |
1365 | bt_clock_snapshot_get_value(cs)); | |
1366 | } else { | |
1367 | out_message = bt_message_packet_beginning_create( | |
1368 | debug_it->input_iterator, out_packet); | |
1369 | } | |
1370 | if (!out_message) { | |
1371 | BT_LOGE("Error creating output packet beginning message: " | |
1372 | "out-p-addr=%p", out_packet); | |
1373 | } | |
1374 | ||
1375 | return out_message; | |
1376 | } | |
1377 | ||
1378 | static | |
1379 | bt_message *handle_packet_end_message(struct debug_info_msg_iter *debug_it, | |
1380 | const bt_message *in_message) | |
1381 | { | |
1382 | const bt_clock_snapshot *cs; | |
1383 | const bt_packet *in_packet; | |
1384 | const bt_clock_class *default_cc; | |
1385 | bt_clock_snapshot_state cs_state; | |
1386 | bt_message *out_message = NULL; | |
1387 | bt_packet *out_packet; | |
1388 | ||
1389 | in_packet = bt_message_packet_end_borrow_packet_const(in_message); | |
1390 | BT_ASSERT(in_packet); | |
1391 | ||
1392 | out_packet = trace_ir_mapping_borrow_mapped_packet(debug_it->ir_maps, in_packet); | |
1393 | BT_ASSERT(out_packet); | |
1394 | ||
1395 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1396 | bt_stream_borrow_class_const( | |
1397 | bt_packet_borrow_stream_const(in_packet))); | |
1398 | if (default_cc) { | |
1399 | /* Borrow clock snapshot. */ | |
1400 | cs_state = | |
1401 | bt_message_packet_end_borrow_default_clock_snapshot_const( | |
1402 | in_message, &cs); | |
1403 | ||
1404 | /* Create an outpute packet end message. */ | |
1405 | BT_ASSERT(cs_state == BT_CLOCK_SNAPSHOT_STATE_KNOWN); | |
1406 | out_message = bt_message_packet_end_create_with_default_clock_snapshot( | |
1407 | debug_it->input_iterator, out_packet, | |
1408 | bt_clock_snapshot_get_value(cs)); | |
1409 | } else { | |
1410 | out_message = bt_message_packet_end_create( | |
1411 | debug_it->input_iterator, out_packet); | |
1412 | } | |
1413 | ||
1414 | if (!out_message) { | |
1415 | BT_LOGE("Error creating output packet end message: " | |
1416 | "out-p-addr=%p", out_packet); | |
1417 | } | |
1418 | ||
1419 | /* Remove packet from data mapping hashtable. */ | |
1420 | trace_ir_mapping_remove_mapped_packet(debug_it->ir_maps, in_packet); | |
1421 | ||
1422 | return out_message; | |
1423 | } | |
1424 | ||
1425 | static | |
1426 | bt_message *handle_msg_iterator_inactivity(struct debug_info_msg_iter *debug_it, | |
1427 | const bt_message *in_message) | |
1428 | { | |
1429 | /* | |
1430 | * This message type can be forwarded directly because it does | |
1431 | * not refer to any objects in the trace class. | |
1432 | */ | |
1433 | bt_message_get_ref(in_message); | |
1434 | return (bt_message*) in_message; | |
1435 | } | |
1436 | ||
1437 | static | |
1438 | bt_message *handle_stream_act_begin_message(struct debug_info_msg_iter *debug_it, | |
1439 | const bt_message *in_message) | |
1440 | { | |
1441 | const bt_clock_snapshot *cs; | |
1442 | const bt_clock_class *default_cc; | |
1443 | bt_message *out_message = NULL; | |
1444 | bt_stream *out_stream; | |
1445 | uint64_t cs_value; | |
1446 | bt_message_stream_activity_clock_snapshot_state cs_state; | |
1447 | ||
1448 | const bt_stream *in_stream = | |
1449 | bt_message_stream_activity_beginning_borrow_stream_const( | |
1450 | in_message); | |
1451 | BT_ASSERT(in_stream); | |
1452 | ||
1453 | out_stream = trace_ir_mapping_borrow_mapped_stream(debug_it->ir_maps, | |
1454 | in_stream); | |
1455 | BT_ASSERT(out_stream); | |
1456 | ||
1457 | out_message = bt_message_stream_activity_beginning_create( | |
1458 | debug_it->input_iterator, out_stream); | |
1459 | if (!out_message) { | |
1460 | BT_LOGE("Error creating output stream activity beginning " | |
1461 | "message: out-s-addr=%p", out_stream); | |
1462 | goto error; | |
1463 | } | |
1464 | ||
1465 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1466 | bt_stream_borrow_class_const(in_stream)); | |
1467 | if (default_cc) { | |
1468 | /* Borrow clock snapshot. */ | |
1469 | cs_state = | |
1470 | bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const( | |
1471 | in_message, &cs); | |
1472 | ||
1473 | if (cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN) { | |
1474 | cs_value = bt_clock_snapshot_get_value(cs); | |
1475 | bt_message_stream_activity_beginning_set_default_clock_snapshot( | |
1476 | out_message, cs_value); | |
1477 | } else { | |
1478 | bt_message_stream_activity_beginning_set_default_clock_snapshot_state( | |
1479 | out_message, cs_state); | |
1480 | } | |
1481 | } | |
1482 | ||
1483 | error: | |
1484 | return out_message; | |
1485 | } | |
1486 | ||
1487 | static | |
1488 | bt_message *handle_stream_act_end_message(struct debug_info_msg_iter *debug_it, | |
1489 | const bt_message *in_message) | |
1490 | { | |
1491 | const bt_clock_snapshot *cs; | |
1492 | const bt_clock_class *default_cc; | |
1493 | const bt_stream *in_stream; | |
1494 | bt_message *out_message; | |
1495 | bt_stream *out_stream; | |
1496 | uint64_t cs_value; | |
1497 | bt_message_stream_activity_clock_snapshot_state cs_state; | |
1498 | ||
1499 | in_stream = bt_message_stream_activity_end_borrow_stream_const( | |
1500 | in_message); | |
1501 | BT_ASSERT(in_stream); | |
1502 | ||
1503 | out_stream = trace_ir_mapping_borrow_mapped_stream(debug_it->ir_maps, in_stream); | |
1504 | BT_ASSERT(out_stream); | |
1505 | ||
1506 | out_message = bt_message_stream_activity_end_create( | |
1507 | debug_it->input_iterator, out_stream); | |
1508 | if (!out_message) { | |
1509 | BT_LOGE("Error creating output stream activity end message: " | |
1510 | "out-s-addr=%p", out_stream); | |
1511 | goto error; | |
1512 | } | |
1513 | ||
1514 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1515 | bt_stream_borrow_class_const(in_stream)); | |
1516 | ||
1517 | if (default_cc) { | |
1518 | cs_state = | |
1519 | bt_message_stream_activity_end_borrow_default_clock_snapshot_const( | |
1520 | in_message, &cs); | |
1521 | ||
1522 | if (cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN ) { | |
1523 | cs_value = bt_clock_snapshot_get_value(cs); | |
1524 | bt_message_stream_activity_end_set_default_clock_snapshot( | |
1525 | out_message, cs_value); | |
1526 | } else { | |
1527 | bt_message_stream_activity_end_set_default_clock_snapshot_state( | |
1528 | out_message, cs_state); | |
1529 | } | |
1530 | } | |
1531 | ||
1532 | error: | |
1533 | return out_message; | |
1534 | } | |
1535 | ||
1536 | static | |
1537 | bt_message *handle_discarded_events_message(struct debug_info_msg_iter *debug_it, | |
1538 | const bt_message *in_message) | |
1539 | { | |
1540 | const bt_clock_snapshot *begin_cs, *end_cs; | |
1541 | const bt_stream *in_stream; | |
1542 | const bt_clock_class *default_cc; | |
1543 | uint64_t discarded_events, begin_cs_value, end_cs_value; | |
1544 | bt_clock_snapshot_state begin_cs_state, end_cs_state; | |
1545 | bt_property_availability prop_avail; | |
1546 | bt_message *out_message = NULL; | |
1547 | bt_stream *out_stream; | |
1548 | ||
1549 | in_stream = bt_message_discarded_events_borrow_stream_const( | |
1550 | in_message); | |
1551 | BT_ASSERT(in_stream); | |
1552 | ||
1553 | out_stream = trace_ir_mapping_borrow_mapped_stream( | |
1554 | debug_it->ir_maps, in_stream); | |
1555 | BT_ASSERT(out_stream); | |
1556 | ||
1557 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1558 | bt_stream_borrow_class_const(in_stream)); | |
1559 | if (default_cc) { | |
1560 | begin_cs_state = | |
1561 | bt_message_discarded_events_borrow_default_beginning_clock_snapshot_const( | |
1562 | in_message, &begin_cs); | |
1563 | end_cs_state = | |
1564 | bt_message_discarded_events_borrow_default_end_clock_snapshot_const( | |
1565 | in_message, &end_cs); | |
1566 | /* | |
1567 | * Both clock snapshots should be known as we check that the | |
1568 | * all input stream classes have an always known clock. Unknown | |
1569 | * clock is not yet supported. | |
1570 | */ | |
1571 | BT_ASSERT(begin_cs_state == BT_CLOCK_SNAPSHOT_STATE_KNOWN && | |
1572 | end_cs_state == BT_CLOCK_SNAPSHOT_STATE_KNOWN); | |
1573 | ||
1574 | begin_cs_value = bt_clock_snapshot_get_value(begin_cs); | |
1575 | end_cs_value = bt_clock_snapshot_get_value(end_cs); | |
1576 | ||
1577 | out_message = | |
1578 | bt_message_discarded_events_create_with_default_clock_snapshots( | |
1579 | debug_it->input_iterator, out_stream, | |
1580 | begin_cs_value, end_cs_value); | |
1581 | } else { | |
1582 | out_message = bt_message_discarded_events_create( | |
1583 | debug_it->input_iterator, out_stream); | |
1584 | } | |
1585 | if (!out_message) { | |
1586 | BT_LOGE("Error creating output discarded events message: " | |
1587 | "out-s-addr=%p", out_stream); | |
1588 | goto error; | |
1589 | } | |
1590 | ||
1591 | prop_avail = bt_message_discarded_events_get_count(in_message, | |
1592 | &discarded_events); | |
1593 | ||
1594 | if (prop_avail == BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE) { | |
1595 | bt_message_discarded_events_set_count(out_message, | |
1596 | discarded_events); | |
1597 | } | |
1598 | ||
1599 | error: | |
1600 | return out_message; | |
1601 | } | |
1602 | ||
1603 | static | |
1604 | bt_message *handle_discarded_packets_message(struct debug_info_msg_iter *debug_it, | |
1605 | const bt_message *in_message) | |
1606 | { | |
1607 | const bt_clock_snapshot *begin_cs, *end_cs; | |
1608 | const bt_clock_class *default_cc; | |
1609 | const bt_stream *in_stream; | |
1610 | uint64_t discarded_packets, begin_cs_value, end_cs_value; | |
1611 | bt_clock_snapshot_state begin_cs_state, end_cs_state; | |
1612 | bt_property_availability prop_avail; | |
1613 | bt_message *out_message = NULL; | |
1614 | bt_stream *out_stream; | |
1615 | ||
1616 | in_stream = bt_message_discarded_packets_borrow_stream_const( | |
1617 | in_message); | |
1618 | BT_ASSERT(in_stream); | |
1619 | ||
1620 | out_stream = trace_ir_mapping_borrow_mapped_stream( | |
1621 | debug_it->ir_maps, in_stream); | |
1622 | BT_ASSERT(out_stream); | |
1623 | ||
1624 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1625 | bt_stream_borrow_class_const(in_stream)); | |
1626 | if (default_cc) { | |
1627 | begin_cs_state = | |
1628 | bt_message_discarded_packets_borrow_default_beginning_clock_snapshot_const( | |
1629 | in_message, &begin_cs); | |
1630 | ||
1631 | end_cs_state = | |
1632 | bt_message_discarded_packets_borrow_default_end_clock_snapshot_const( | |
1633 | in_message, &end_cs); | |
1634 | ||
1635 | /* | |
1636 | * Both clock snapshots should be known as we check that the | |
1637 | * all input stream classes have an always known clock. Unknown | |
1638 | * clock is not yet supported. | |
1639 | */ | |
1640 | BT_ASSERT(begin_cs_state == BT_CLOCK_SNAPSHOT_STATE_KNOWN && | |
1641 | end_cs_state == BT_CLOCK_SNAPSHOT_STATE_KNOWN); | |
1642 | ||
1643 | begin_cs_value = bt_clock_snapshot_get_value(begin_cs); | |
1644 | end_cs_value = bt_clock_snapshot_get_value(end_cs); | |
1645 | ||
1646 | out_message = bt_message_discarded_packets_create_with_default_clock_snapshots( | |
1647 | debug_it->input_iterator, out_stream, | |
1648 | begin_cs_value, end_cs_value); | |
1649 | } else { | |
1650 | out_message = bt_message_discarded_packets_create( | |
1651 | debug_it->input_iterator, out_stream); | |
1652 | } | |
1653 | if (!out_message) { | |
1654 | BT_LOGE("Error creating output discarded packet message: " | |
1655 | "out-s-addr=%p", out_stream); | |
1656 | goto error; | |
1657 | } | |
1658 | ||
1659 | prop_avail = bt_message_discarded_packets_get_count(in_message, | |
1660 | &discarded_packets); | |
1661 | if (prop_avail == BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE) { | |
1662 | bt_message_discarded_packets_set_count(out_message, | |
1663 | discarded_packets); | |
1664 | } | |
1665 | ||
1666 | error: | |
1667 | return out_message; | |
1668 | } | |
1669 | ||
1670 | static | |
1671 | const bt_message *handle_message(struct debug_info_msg_iter *debug_it, | |
1672 | const bt_message *in_message) | |
1673 | { | |
1674 | bt_message *out_message = NULL; | |
1675 | ||
1676 | switch (bt_message_get_type(in_message)) { | |
1677 | case BT_MESSAGE_TYPE_EVENT: | |
1678 | out_message = handle_event_message(debug_it, | |
1679 | in_message); | |
1680 | break; | |
1681 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: | |
1682 | out_message = handle_packet_begin_message(debug_it, | |
1683 | in_message); | |
1684 | break; | |
1685 | case BT_MESSAGE_TYPE_PACKET_END: | |
1686 | out_message = handle_packet_end_message(debug_it, | |
1687 | in_message); | |
1688 | break; | |
1689 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: | |
1690 | out_message = handle_stream_begin_message(debug_it, | |
1691 | in_message); | |
1692 | break; | |
1693 | case BT_MESSAGE_TYPE_STREAM_END: | |
1694 | out_message = handle_stream_end_message(debug_it, | |
1695 | in_message); | |
1696 | break; | |
1697 | case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY: | |
1698 | out_message = handle_msg_iterator_inactivity(debug_it, | |
1699 | in_message); | |
1700 | break; | |
1701 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING: | |
1702 | out_message = handle_stream_act_begin_message(debug_it, | |
1703 | in_message); | |
1704 | break; | |
1705 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END: | |
1706 | out_message = handle_stream_act_end_message(debug_it, | |
1707 | in_message); | |
1708 | break; | |
1709 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: | |
1710 | out_message = handle_discarded_events_message(debug_it, | |
1711 | in_message); | |
1712 | break; | |
1713 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: | |
1714 | out_message = handle_discarded_packets_message(debug_it, | |
1715 | in_message); | |
1716 | break; | |
1717 | default: | |
1718 | abort(); | |
1719 | break; | |
1720 | } | |
1721 | ||
1722 | return out_message; | |
1723 | } | |
1724 | ||
1725 | static | |
1726 | int init_from_params(struct debug_info_component *debug_info_component, | |
1727 | const bt_value *params) | |
1728 | { | |
1729 | const bt_value *value = NULL; | |
1730 | int ret = 0; | |
1731 | ||
1732 | BT_ASSERT(params); | |
1733 | ||
1734 | value = bt_value_map_borrow_entry_value_const(params, | |
1735 | "debug-info-field-name"); | |
1736 | if (value) { | |
1737 | const char *debug_info_field_name; | |
1738 | ||
1739 | debug_info_field_name = bt_value_string_get(value); | |
1740 | debug_info_component->arg_debug_info_field_name = | |
1741 | strdup(debug_info_field_name); | |
1742 | } else { | |
1743 | debug_info_component->arg_debug_info_field_name = | |
1744 | malloc(strlen(DEFAULT_DEBUG_INFO_FIELD_NAME) + 1); | |
1745 | if (!debug_info_component->arg_debug_info_field_name) { | |
1746 | ret = BT_SELF_COMPONENT_STATUS_NOMEM; | |
1747 | BT_LOGE_STR("Missing field name."); | |
1748 | goto end; | |
1749 | } | |
1750 | sprintf(debug_info_component->arg_debug_info_field_name, | |
1751 | DEFAULT_DEBUG_INFO_FIELD_NAME); | |
1752 | } | |
1753 | if (ret) { | |
1754 | goto end; | |
1755 | } | |
1756 | ||
1757 | value = bt_value_map_borrow_entry_value_const(params, "debug-info-dir"); | |
1758 | if (value) { | |
1759 | debug_info_component->arg_debug_dir = bt_value_string_get(value); | |
1760 | } | |
1761 | ||
1762 | value = bt_value_map_borrow_entry_value_const(params, "target-prefix"); | |
1763 | if (value) { | |
1764 | debug_info_component->arg_target_prefix = | |
1765 | bt_value_string_get(value); | |
1766 | } | |
1767 | ||
1768 | value = bt_value_map_borrow_entry_value_const(params, "full-path"); | |
1769 | if (value) { | |
1770 | debug_info_component->arg_full_path = bt_value_bool_get(value); | |
1771 | } | |
1772 | ||
1773 | end: | |
1774 | return ret; | |
1775 | } | |
1776 | ||
1777 | BT_HIDDEN | |
1778 | bt_self_component_status debug_info_comp_init( | |
1779 | bt_self_component_filter *self_comp, | |
1780 | const bt_value *params, UNUSED_VAR void *init_method_data) | |
1781 | { | |
1782 | int ret; | |
1783 | struct debug_info_component *debug_info_comp; | |
1784 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
1785 | ||
1786 | BT_LOGD("Initializing debug_info component: " | |
1787 | "comp-addr=%p, params-addr=%p", self_comp, params); | |
1788 | ||
1789 | debug_info_comp = g_new0(struct debug_info_component, 1); | |
1790 | if (!debug_info_comp) { | |
1791 | BT_LOGE_STR("Failed to allocate one debug_info component."); | |
1792 | goto error; | |
1793 | } | |
1794 | ||
1795 | bt_self_component_set_data( | |
1796 | bt_self_component_filter_as_self_component(self_comp), | |
1797 | debug_info_comp); | |
1798 | ||
1799 | status = bt_self_component_filter_add_input_port(self_comp, "in", | |
1800 | NULL, NULL); | |
1801 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
1802 | goto error; | |
1803 | } | |
1804 | ||
1805 | status = bt_self_component_filter_add_output_port(self_comp, "out", | |
1806 | NULL, NULL); | |
1807 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
1808 | goto error; | |
1809 | } | |
1810 | ||
1811 | ret = init_from_params(debug_info_comp, params); | |
1812 | if (ret) { | |
1813 | BT_LOGE("Cannot configure debug_info component: " | |
1814 | "debug_info-comp-addr=%p, params-addr=%p", | |
1815 | debug_info_comp, params); | |
1816 | goto error; | |
1817 | } | |
1818 | ||
1819 | goto end; | |
1820 | ||
1821 | error: | |
1822 | destroy_debug_info_comp(debug_info_comp); | |
1823 | bt_self_component_set_data( | |
1824 | bt_self_component_filter_as_self_component(self_comp), | |
1825 | NULL); | |
1826 | ||
1827 | if (status == BT_SELF_COMPONENT_STATUS_OK) { | |
1828 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
1829 | } | |
1830 | end: | |
1831 | return status; | |
1832 | } | |
1833 | ||
1834 | BT_HIDDEN | |
1835 | void debug_info_comp_finalize(bt_self_component_filter *self_comp) | |
1836 | { | |
1837 | struct debug_info_component *debug_info = | |
1838 | bt_self_component_get_data( | |
1839 | bt_self_component_filter_as_self_component( | |
1840 | self_comp)); | |
1841 | BT_LOGD("Finalizing debug_info self_component: comp-addr=%p", | |
1842 | self_comp); | |
1843 | ||
1844 | destroy_debug_info_comp(debug_info); | |
1845 | } | |
1846 | ||
1847 | BT_HIDDEN | |
1848 | bt_self_message_iterator_status debug_info_msg_iter_next( | |
1849 | bt_self_message_iterator *self_msg_iter, | |
1850 | const bt_message_array_const msgs, uint64_t capacity, | |
1851 | uint64_t *count) | |
1852 | { | |
1853 | bt_self_component_port_input_message_iterator *upstream_iterator = NULL; | |
1854 | bt_message_iterator_status upstream_iterator_ret_status; | |
1855 | struct debug_info_msg_iter *debug_info_msg_iter; | |
1856 | struct debug_info_component *debug_info = NULL; | |
1857 | bt_self_message_iterator_status status; | |
1858 | bt_self_component *self_comp = NULL; | |
1859 | bt_message_array_const input_msgs; | |
1860 | const bt_message *out_message; | |
1861 | uint64_t curr_msg_idx, i; | |
1862 | ||
1863 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1864 | ||
1865 | self_comp = bt_self_message_iterator_borrow_component(self_msg_iter); | |
1866 | BT_ASSERT(self_comp); | |
1867 | ||
1868 | debug_info = bt_self_component_get_data(self_comp); | |
1869 | BT_ASSERT(debug_info); | |
1870 | ||
1871 | debug_info_msg_iter = bt_self_message_iterator_get_data(self_msg_iter); | |
1872 | BT_ASSERT(debug_info_msg_iter); | |
1873 | ||
1874 | upstream_iterator = debug_info_msg_iter->msg_iter; | |
1875 | BT_ASSERT(upstream_iterator); | |
1876 | ||
1877 | upstream_iterator_ret_status = | |
1878 | bt_self_component_port_input_message_iterator_next( | |
1879 | upstream_iterator, &input_msgs, count); | |
1880 | if (upstream_iterator_ret_status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
1881 | /* | |
1882 | * No messages were returned. Not necessarily an error. Convert | |
1883 | * the upstream message iterator status to a self status. | |
1884 | */ | |
1885 | status = bt_common_message_iterator_status_to_self( | |
1886 | upstream_iterator_ret_status); | |
1887 | goto end; | |
1888 | } | |
1889 | ||
1890 | /* | |
1891 | * There should never be more received messages than the capacity we | |
1892 | * provided. | |
1893 | */ | |
1894 | BT_ASSERT(*count <= capacity); | |
1895 | ||
1896 | for (curr_msg_idx = 0; curr_msg_idx < *count; curr_msg_idx++) { | |
1897 | out_message = handle_message(debug_info_msg_iter, | |
1898 | input_msgs[curr_msg_idx]); | |
1899 | if (!out_message) { | |
1900 | goto handle_msg_error; | |
1901 | } | |
1902 | ||
1903 | msgs[curr_msg_idx] = out_message; | |
1904 | /* | |
1905 | * Drop our reference of the input message as we are done with | |
1906 | * it and created a output copy. | |
1907 | */ | |
1908 | bt_message_put_ref(input_msgs[curr_msg_idx]); | |
1909 | } | |
1910 | ||
1911 | goto end; | |
1912 | ||
1913 | handle_msg_error: | |
1914 | /* | |
1915 | * Drop references of all the output messages created before the | |
1916 | * failure. | |
1917 | */ | |
1918 | for (i = 0; i < curr_msg_idx; i++) { | |
1919 | bt_message_put_ref(msgs[i]); | |
1920 | } | |
1921 | ||
1922 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1923 | end: | |
1924 | return status; | |
1925 | } | |
1926 | ||
1927 | BT_HIDDEN | |
1928 | bt_self_message_iterator_status debug_info_msg_iter_init( | |
1929 | bt_self_message_iterator *self_msg_iter, | |
1930 | bt_self_component_filter *self_comp, | |
1931 | bt_self_component_port_output *self_port) | |
1932 | { | |
1933 | bt_self_message_iterator_status status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1934 | struct bt_self_component_port_input *input_port; | |
1935 | bt_self_component_port_input_message_iterator *upstream_iterator; | |
1936 | struct debug_info_msg_iter *debug_info_msg_iter; | |
1937 | ||
1938 | /* Borrow the upstream input port. */ | |
1939 | input_port = bt_self_component_filter_borrow_input_port_by_name( | |
1940 | self_comp, "in"); | |
1941 | if (!input_port) { | |
1942 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1943 | goto end; | |
1944 | } | |
1945 | ||
1946 | /* Create an iterator on the upstream component. */ | |
1947 | upstream_iterator = bt_self_component_port_input_message_iterator_create( | |
1948 | input_port); | |
1949 | if (!upstream_iterator) { | |
1950 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1951 | goto end; | |
1952 | } | |
1953 | ||
1954 | debug_info_msg_iter = g_new0(struct debug_info_msg_iter, 1); | |
1955 | if (!debug_info_msg_iter) { | |
1956 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1957 | goto end; | |
1958 | } | |
1959 | ||
1960 | debug_info_msg_iter->debug_info_map = g_hash_table_new_full( | |
1961 | g_direct_hash, g_direct_equal, | |
1962 | (GDestroyNotify) NULL, | |
1963 | (GDestroyNotify) debug_info_destroy); | |
1964 | if (!debug_info_msg_iter->debug_info_map) { | |
1965 | g_free(debug_info_msg_iter); | |
1966 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1967 | goto end; | |
1968 | } | |
1969 | ||
1970 | debug_info_msg_iter->self_comp = | |
1971 | bt_self_component_filter_as_self_component(self_comp); | |
1972 | ||
1973 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF( | |
1974 | debug_info_msg_iter->msg_iter, upstream_iterator); | |
1975 | ||
1976 | debug_info_msg_iter->debug_info_component = bt_self_component_get_data( | |
1977 | bt_self_component_filter_as_self_component( | |
1978 | self_comp)); | |
1979 | ||
1980 | debug_info_msg_iter->ir_maps = trace_ir_maps_create( | |
1981 | bt_self_component_filter_as_self_component(self_comp), | |
1982 | debug_info_msg_iter->debug_info_component->arg_debug_info_field_name); | |
1983 | if (!debug_info_msg_iter->ir_maps) { | |
1984 | g_hash_table_destroy(debug_info_msg_iter->debug_info_map); | |
1985 | g_free(debug_info_msg_iter); | |
1986 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1987 | goto end; | |
1988 | } | |
1989 | ||
1990 | bt_self_message_iterator_set_data(self_msg_iter, debug_info_msg_iter); | |
1991 | ||
1992 | debug_info_msg_iter->input_iterator = self_msg_iter; | |
1993 | ||
1994 | end: | |
1995 | return status; | |
1996 | } | |
1997 | ||
1998 | BT_HIDDEN | |
1999 | bt_bool debug_info_msg_iter_can_seek_beginning( | |
2000 | bt_self_message_iterator *self_msg_iter) | |
2001 | { | |
2002 | struct debug_info_msg_iter *debug_info_msg_iter = | |
2003 | bt_self_message_iterator_get_data(self_msg_iter); | |
2004 | BT_ASSERT(debug_info_msg_iter); | |
2005 | ||
2006 | return bt_self_component_port_input_message_iterator_can_seek_beginning( | |
2007 | debug_info_msg_iter->msg_iter); | |
2008 | } | |
2009 | ||
2010 | BT_HIDDEN | |
2011 | bt_self_message_iterator_status debug_info_msg_iter_seek_beginning( | |
2012 | bt_self_message_iterator *self_msg_iter) | |
2013 | { | |
2014 | struct debug_info_msg_iter *debug_info_msg_iter = | |
2015 | bt_self_message_iterator_get_data(self_msg_iter); | |
2016 | bt_message_iterator_status status = BT_MESSAGE_ITERATOR_STATUS_OK; | |
2017 | ||
2018 | BT_ASSERT(debug_info_msg_iter); | |
2019 | ||
2020 | /* Ask the upstream component to seek to the beginning. */ | |
2021 | status = bt_self_component_port_input_message_iterator_seek_beginning( | |
2022 | debug_info_msg_iter->msg_iter); | |
2023 | if (status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
2024 | goto end; | |
2025 | } | |
2026 | ||
2027 | /* Clear this iterator data. */ | |
2028 | trace_ir_maps_clear(debug_info_msg_iter->ir_maps); | |
2029 | g_hash_table_remove_all(debug_info_msg_iter->debug_info_map); | |
2030 | end: | |
2031 | return bt_common_message_iterator_status_to_self(status); | |
2032 | } | |
2033 | ||
2034 | BT_HIDDEN | |
2035 | void debug_info_msg_iter_finalize(bt_self_message_iterator *it) | |
2036 | { | |
2037 | struct debug_info_msg_iter *debug_info_msg_iter; | |
2038 | ||
2039 | debug_info_msg_iter = bt_self_message_iterator_get_data(it); | |
2040 | BT_ASSERT(debug_info_msg_iter); | |
2041 | ||
2042 | bt_self_component_port_input_message_iterator_put_ref( | |
2043 | debug_info_msg_iter->msg_iter); | |
2044 | ||
2045 | trace_ir_maps_destroy(debug_info_msg_iter->ir_maps); | |
2046 | g_hash_table_destroy(debug_info_msg_iter->debug_info_map); | |
2047 | ||
2048 | g_free(debug_info_msg_iter); | |
2049 | } |