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ebdb334b JR |
1 | /* |
2 | * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: LGPL-2.1-only | |
5 | * | |
6 | */ | |
7 | ||
8 | #include <math.h> | |
9 | ||
10 | #include <common/dynamic-array.h> | |
11 | #include <lttng/domain.h> | |
12 | #include <lttng/lttng-error.h> | |
13 | #include <lttng/map/map.h> | |
14 | #include <lttng/map/map-internal.h> | |
15 | #include <lttng/map/map-query.h> | |
16 | ||
17 | #include "../command.h" | |
18 | ||
19 | #include "common/argpar/argpar.h" | |
20 | ||
21 | enum { | |
22 | OPT_HELP, | |
23 | OPT_SESSION, | |
24 | OPT_LIST_OPTIONS, | |
25 | OPT_USERSPACE, | |
26 | OPT_KERNEL, | |
27 | OPT_KEY, | |
28 | }; | |
29 | ||
30 | static const | |
31 | struct argpar_opt_descr view_map_options[] = { | |
32 | { OPT_HELP, 'h', "help", false }, | |
33 | { OPT_SESSION, 's', "session", true }, | |
34 | { OPT_LIST_OPTIONS, '\0', "list-options", false }, | |
35 | /* Domains */ | |
36 | { OPT_USERSPACE, 'u', "userspace", false }, | |
37 | { OPT_KERNEL, 'k', "kernel", false }, | |
38 | { OPT_KEY, '\0', "key", true }, | |
39 | ARGPAR_OPT_DESCR_SENTINEL, | |
40 | }; | |
41 | ||
42 | static | |
43 | bool assign_domain_type(enum lttng_domain_type *dest, | |
44 | enum lttng_domain_type src) | |
45 | { | |
46 | bool ret; | |
47 | ||
48 | if (*dest == LTTNG_DOMAIN_NONE || *dest == src) { | |
49 | *dest = src; | |
50 | ret = true; | |
51 | } else { | |
52 | ERR("Multiple domains specified."); | |
53 | ret = false; | |
54 | } | |
55 | ||
56 | return ret; | |
57 | } | |
58 | ||
59 | static | |
60 | bool assign_string(char **dest, const char *src, const char *opt_name) | |
61 | { | |
62 | bool ret; | |
63 | ||
64 | if (*dest) { | |
65 | ERR("Duplicate %s given.", opt_name); | |
66 | goto error; | |
67 | } | |
68 | ||
69 | *dest = strdup(src); | |
70 | if (!*dest) { | |
71 | ERR("Failed to allocate %s string.", opt_name); | |
72 | goto error; | |
73 | } | |
74 | ||
75 | ret = true; | |
76 | goto end; | |
77 | ||
78 | error: | |
79 | ret = false; | |
80 | ||
81 | end: | |
82 | return ret; | |
83 | } | |
84 | ||
85 | static | |
86 | int compare_key_value_by_key(const void *a, const void *b) | |
87 | { | |
88 | const struct lttng_map_key_value_pair *kv_a = | |
89 | *((const struct lttng_map_key_value_pair **) a); | |
90 | const struct lttng_map_key_value_pair *kv_b = | |
91 | *((const struct lttng_map_key_value_pair **) b); | |
92 | const char *key_a, *key_b; | |
93 | enum lttng_map_status map_status; | |
94 | ||
95 | map_status = lttng_map_key_value_pair_get_key(kv_a, &key_a); | |
96 | assert(map_status == LTTNG_MAP_STATUS_OK); | |
97 | ||
98 | map_status = lttng_map_key_value_pair_get_key(kv_b, &key_b); | |
99 | assert(map_status == LTTNG_MAP_STATUS_OK); | |
100 | ||
101 | return strcmp(key_a, key_b); | |
102 | } | |
103 | ||
104 | static | |
105 | void print_one_map_key_value_pair(const struct lttng_map_key_value_pair *kv_pair, | |
106 | size_t key_len, size_t val_len) | |
107 | { | |
108 | const char *key = NULL; | |
109 | int64_t value; | |
110 | enum lttng_map_status status; | |
111 | bool has_overflowed, has_underflowed; | |
112 | ||
113 | status = lttng_map_key_value_pair_get_key(kv_pair, &key); | |
114 | if (status != LTTNG_MAP_STATUS_OK) { | |
115 | ERR("Failed to get key-value pair's key."); | |
116 | goto end; | |
117 | } | |
118 | ||
119 | status = lttng_map_key_value_pair_get_value(kv_pair, &value); | |
120 | if (status != LTTNG_MAP_STATUS_OK) { | |
121 | ERR("Failed to get value-value pair's value."); | |
122 | goto end; | |
123 | } | |
124 | ||
125 | has_overflowed = lttng_map_key_value_pair_get_has_overflowed(kv_pair); | |
126 | has_underflowed = lttng_map_key_value_pair_get_has_underflowed(kv_pair); | |
127 | ||
128 | /* Ensure the padding is nice using the `%*s` delimiter. */ | |
129 | MSG("| %*s | %*"PRId64" | %d | %d |", (int) -key_len, key, | |
130 | (int) val_len, value, has_underflowed, has_overflowed); | |
131 | ||
132 | end: | |
133 | return; | |
134 | } | |
135 | ||
136 | static | |
137 | void print_line(size_t key_len, size_t val_len) | |
138 | { | |
139 | int i; | |
140 | ||
141 | _MSG("+"); | |
142 | for (i = 0; i < (int) key_len + 2; i++) { | |
143 | _MSG("-"); | |
144 | } | |
145 | _MSG("+"); | |
146 | for (i = 0; i < (int) val_len + 2; i++) { | |
147 | _MSG("-"); | |
148 | } | |
149 | MSG("+----+----+"); | |
150 | } | |
151 | ||
152 | static | |
153 | size_t number_of_digit(int64_t val) | |
154 | { | |
155 | size_t ret = 0; | |
156 | ||
157 | if (val == 0) { | |
158 | ret = 1; | |
159 | goto end; | |
160 | } | |
161 | ||
162 | if (val < 0) { | |
163 | /* Account for the minus sign. */ | |
164 | ret++; | |
165 | val = llabs(val); | |
166 | } | |
167 | ||
168 | /* | |
169 | * SOURCE: | |
170 | * https://stackoverflow.com/questions/1068849/how-do-i-determine-the-number-of-digits-of-an-integer-in-c | |
171 | * If the log10() call becomes too expensive, we could use a | |
172 | * recursive approach to count the digits. | |
173 | */ | |
174 | ret += floor(log10(val)) + 1; | |
175 | ||
176 | end: | |
177 | return ret; | |
178 | } | |
179 | ||
180 | static | |
181 | void print_map_section_identifier(const struct lttng_map_key_value_pair_list *kv_pair_list) | |
182 | { | |
183 | switch (lttng_map_key_value_pair_list_get_type(kv_pair_list)) { | |
184 | case LTTNG_MAP_KEY_VALUE_PAIR_LIST_TYPE_KERNEL: | |
185 | _MSG("Kernel global map"); | |
186 | break; | |
187 | case LTTNG_MAP_KEY_VALUE_PAIR_LIST_TYPE_UST_PER_PID_AGGREGATED: | |
188 | _MSG("Per-PID dead app aggregated map"); | |
189 | break; | |
190 | case LTTNG_MAP_KEY_VALUE_PAIR_LIST_TYPE_UST_PER_PID: | |
191 | _MSG("PID: %"PRIu64, lttng_map_key_value_pair_list_get_identifer( | |
192 | kv_pair_list)); | |
193 | break; | |
194 | case LTTNG_MAP_KEY_VALUE_PAIR_LIST_TYPE_UST_PER_UID: | |
195 | _MSG("UID: %"PRIu64, lttng_map_key_value_pair_list_get_identifer( | |
196 | kv_pair_list)); | |
197 | break; | |
198 | default: | |
199 | break; | |
200 | } | |
201 | _MSG(", CPU: "); | |
202 | if (lttng_map_key_value_pair_list_get_summed_all_cpu(kv_pair_list)) { | |
203 | MSG("ALL"); | |
204 | } else { | |
205 | MSG("%"PRIu64, lttng_map_key_value_pair_list_get_cpu(kv_pair_list)); | |
206 | } | |
207 | } | |
208 | ||
209 | static | |
210 | void print_map_table_header(size_t max_key_len, size_t max_val_len) | |
211 | { | |
212 | print_line(max_key_len, max_val_len); | |
213 | /* Ensure the padding is nice using the `%*s` delimiter. */ | |
214 | MSG("| %*s | %*s | %s | %s |", (int) -max_key_len, "key", | |
215 | (int) max_val_len, "val", "uf", "of"); | |
216 | } | |
217 | ||
218 | static | |
219 | enum lttng_error_code print_one_map_section( | |
220 | const struct lttng_map_key_value_pair_list *kv_pair_list, | |
221 | enum lttng_buffer_type buffer_type) | |
222 | { | |
223 | enum lttng_error_code ret; | |
224 | enum lttng_map_status map_status; | |
225 | size_t longest_key_len = strlen("key"), longest_val_len = strlen("val"); | |
226 | unsigned int i, key_value_pair_count; | |
227 | struct lttng_dynamic_pointer_array sorted_kv_pair_list; | |
228 | ||
229 | lttng_dynamic_pointer_array_init(&sorted_kv_pair_list, NULL); | |
230 | ||
231 | map_status = lttng_map_key_value_pair_list_get_count(kv_pair_list, | |
232 | &key_value_pair_count); | |
233 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
234 | ERR("Failed to get key-value pair count."); | |
235 | goto error; | |
236 | } | |
237 | ||
238 | for (i = 0; i < key_value_pair_count; i++) { | |
239 | const char *cur_key; | |
240 | int64_t cur_val; | |
241 | const struct lttng_map_key_value_pair *pair = | |
242 | lttng_map_key_value_pair_list_get_at_index( | |
243 | kv_pair_list, i); | |
244 | ||
245 | /* Add all key value pairs to the sorting array. */ | |
246 | lttng_dynamic_pointer_array_add_pointer(&sorted_kv_pair_list, | |
247 | (void *) pair); | |
248 | ||
249 | /* Keep track of the longest key. */ | |
250 | lttng_map_key_value_pair_get_key(pair, &cur_key); | |
251 | longest_key_len = max(longest_key_len, strlen(cur_key)); | |
252 | ||
253 | /* Keep track of the longest value. */ | |
254 | lttng_map_key_value_pair_get_value(pair, &cur_val); | |
255 | longest_val_len = max(longest_val_len, number_of_digit(cur_val)); | |
256 | } | |
257 | ||
258 | qsort(sorted_kv_pair_list.array.buffer.data, | |
259 | lttng_dynamic_pointer_array_get_count(&sorted_kv_pair_list), | |
260 | sizeof(struct lttng_map_key_value_pair *), | |
261 | compare_key_value_by_key); | |
262 | ||
263 | print_map_section_identifier(kv_pair_list); | |
264 | if (key_value_pair_count == 0) { | |
265 | MSG(" No value in the map"); | |
266 | ret = LTTNG_OK; | |
267 | goto end; | |
268 | } else { | |
269 | print_map_table_header(longest_key_len, longest_val_len); | |
270 | ||
271 | for (i = 0; i < key_value_pair_count; i++) { | |
272 | print_line(longest_key_len, longest_val_len); | |
273 | ||
274 | print_one_map_key_value_pair( | |
275 | lttng_dynamic_pointer_array_get_pointer( | |
276 | &sorted_kv_pair_list, i), | |
277 | longest_key_len, longest_val_len); | |
278 | } | |
279 | ||
280 | print_line(longest_key_len, longest_val_len); | |
281 | } | |
282 | ||
283 | ret = LTTNG_OK; | |
284 | goto end; | |
285 | ||
286 | error: | |
287 | ret = LTTNG_ERR_MAP_VALUES_LIST_FAIL; | |
288 | end: | |
289 | lttng_dynamic_pointer_array_reset(&sorted_kv_pair_list); | |
290 | ||
291 | return ret; | |
292 | } | |
293 | ||
294 | static | |
295 | enum lttng_error_code print_one_map(struct lttng_handle *handle, | |
296 | const struct lttng_map *map, const char *key_filter) | |
297 | { | |
298 | enum lttng_error_code ret; | |
299 | enum lttng_map_status map_status; | |
300 | struct lttng_map_content *map_content = NULL; | |
301 | unsigned int i, map_content_section_count; | |
302 | enum lttng_buffer_type buffer_type; | |
303 | struct lttng_map_query *map_query = NULL; | |
304 | enum lttng_map_query_config_buffer query_buffer_config; | |
305 | enum lttng_map_query_config_app_bitness query_bitness_config; | |
306 | enum lttng_map_query_status query_status; | |
307 | const char *map_name = NULL; | |
308 | enum lttng_map_bitness map_bitness; | |
309 | ||
310 | map_status = lttng_map_get_name(map, &map_name); | |
311 | assert(map_status == LTTNG_MAP_STATUS_OK); | |
312 | ||
313 | map_bitness = lttng_map_get_bitness(map); | |
314 | ||
315 | switch (lttng_map_get_buffer_type(map)) { | |
316 | case LTTNG_BUFFER_GLOBAL: | |
317 | query_buffer_config = LTTNG_MAP_QUERY_CONFIG_BUFFER_KERNEL_GLOBAL; | |
318 | query_bitness_config = LTTNG_MAP_QUERY_CONFIG_APP_BITNESS_KERNEL; | |
319 | break; | |
320 | case LTTNG_BUFFER_PER_UID: | |
321 | query_buffer_config = LTTNG_MAP_QUERY_CONFIG_BUFFER_UST_UID_ALL; | |
322 | query_bitness_config = LTTNG_MAP_QUERY_CONFIG_APP_BITNESS_ALL; | |
323 | break; | |
324 | case LTTNG_BUFFER_PER_PID: | |
325 | query_buffer_config = LTTNG_MAP_QUERY_CONFIG_BUFFER_UST_PID_ALL; | |
326 | query_bitness_config = LTTNG_MAP_QUERY_CONFIG_APP_BITNESS_ALL; | |
327 | break; | |
328 | default: | |
329 | ret = LTTNG_ERR_INVALID; | |
330 | goto end; | |
331 | } | |
332 | ||
333 | map_query = lttng_map_query_create(LTTNG_MAP_QUERY_CONFIG_CPU_ALL, | |
334 | query_buffer_config, query_bitness_config); | |
335 | if (!map_query) { | |
336 | ret = LTTNG_ERR_NOMEM; | |
337 | ERR("Creating map query"); | |
338 | goto end; | |
339 | } | |
340 | ||
341 | if (key_filter) { | |
342 | query_status = lttng_map_query_add_key_filter(map_query, key_filter); | |
343 | assert(query_status == LTTNG_MAP_QUERY_STATUS_OK); | |
344 | } | |
345 | ||
346 | query_status = lttng_map_query_set_sum_by_cpu(map_query, true); | |
347 | assert(query_status == LTTNG_MAP_QUERY_STATUS_OK); | |
348 | ||
349 | /* | |
350 | * We don't want to aggregate all uid (or pid) together for the lttng | |
351 | * view-map command. | |
352 | */ | |
353 | if (query_buffer_config == LTTNG_MAP_QUERY_CONFIG_BUFFER_UST_UID_ALL) { | |
354 | //query_status = lttng_map_query_set_sum_by_uid(map_query, false); | |
355 | //assert(query_status == LTTNG_MAP_QUERY_STATUS_OK); | |
356 | } else if (query_buffer_config == LTTNG_MAP_QUERY_CONFIG_BUFFER_UST_PID_ALL) { | |
357 | query_status = lttng_map_query_set_sum_by_pid(map_query, false); | |
358 | assert(query_status == LTTNG_MAP_QUERY_STATUS_OK); | |
359 | } | |
360 | ||
361 | /* | |
362 | * If we have 32bits and 64bits maps, we want to aggregate both maps in | |
363 | * a single table in the lttng view-map command. | |
364 | */ | |
365 | if (query_bitness_config == LTTNG_MAP_QUERY_CONFIG_APP_BITNESS_ALL) { | |
366 | //query_status = lttng_map_query_set_sum_by_app_bitness(map_query, true); | |
367 | //assert(query_status == LTTNG_MAP_QUERY_STATUS_OK); | |
368 | } | |
369 | ||
370 | /* Fetch the key value pair_list from the sessiond */ | |
371 | ret = lttng_list_map_content(handle, map, map_query, &map_content); | |
372 | if (ret != LTTNG_OK) { | |
373 | ERR("Error listing map key value pair_list: %s.", | |
374 | lttng_strerror(-ret)); | |
375 | goto end; | |
376 | } | |
377 | ||
378 | map_status = lttng_map_content_get_count(map_content, | |
379 | &map_content_section_count); | |
380 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
381 | ret = LTTNG_ERR_MAP_VALUES_LIST_FAIL; | |
382 | ERR("Failed to get map content section count."); | |
383 | goto end; | |
384 | } | |
385 | ||
386 | if (map_content_section_count == 0) { | |
387 | DBG("Map %s is not found", map_name); | |
388 | goto end; | |
389 | } | |
390 | ||
391 | MSG("Session: '%s', map: '%s', map bitness: %d", handle->session_name, | |
392 | map_name, map_bitness); | |
393 | ||
394 | buffer_type = lttng_map_content_get_buffer_type(map_content); | |
395 | ||
396 | for (i = 0; i < map_content_section_count; i++) { | |
397 | const struct lttng_map_key_value_pair_list *kv_pair_list = | |
398 | lttng_map_content_get_at_index(map_content, i); | |
399 | ||
400 | assert(kv_pair_list); | |
401 | ret = print_one_map_section(kv_pair_list, buffer_type); | |
402 | if (ret != LTTNG_OK) { | |
403 | ERR("Error printing map section"); | |
404 | goto end; | |
405 | } | |
406 | } | |
407 | ||
408 | ||
409 | ret = LTTNG_OK; | |
410 | goto end; | |
411 | end: | |
412 | lttng_map_content_destroy(map_content); | |
413 | return ret; | |
414 | } | |
415 | ||
416 | static | |
417 | int view_map(struct lttng_handle *handle, const char *desired_map_name, | |
418 | const char *key_filter) | |
419 | { | |
420 | enum lttng_error_code ret; | |
421 | struct lttng_map_list *map_list = NULL; | |
422 | enum lttng_map_status map_status; | |
423 | bool desired_map_found = false; | |
424 | unsigned int i, map_count; | |
425 | ||
426 | DBG("Listing map(s) (%s)", desired_map_name ? : "<all>"); | |
427 | /* | |
428 | * Query the sessiond for a list of all the maps that match the | |
429 | * provided map name and domain (if any). | |
430 | */ | |
431 | ret = lttng_list_maps(handle, &map_list); | |
432 | if (ret != LTTNG_OK) { | |
433 | ERR("Error getting map list"); | |
434 | goto end; | |
435 | } | |
436 | ||
437 | map_status = lttng_map_list_get_count(map_list, &map_count); | |
438 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
439 | ERR("Error getting map list element count"); | |
440 | ret = -1; | |
441 | goto end; | |
442 | } | |
443 | ||
444 | for (i = 0; i < map_count; i++) { | |
445 | const struct lttng_map *map = NULL; | |
446 | const char *map_name = NULL; | |
447 | map = lttng_map_list_get_at_index(map_list, i); | |
448 | if (!map) { | |
449 | ERR("Error getting map from list: index = %u", i); | |
450 | goto end; | |
451 | } | |
452 | ||
453 | map_status = lttng_map_get_name(map, &map_name); | |
454 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
455 | ERR("Error getting map name"); | |
456 | ret = -1; | |
457 | goto end; | |
458 | } | |
459 | ||
460 | ||
461 | if (desired_map_name != NULL) { | |
462 | if (strncmp(map_name, desired_map_name, NAME_MAX) == 0) { | |
463 | desired_map_found = true; | |
464 | ret = print_one_map(handle, map, key_filter); | |
465 | if (ret != LTTNG_OK) { | |
466 | ret = -1; | |
467 | goto end; | |
468 | } | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | if (desired_map_name && !desired_map_found) { | |
474 | DBG("Map %s in domain: %s (session %s)", desired_map_name, | |
475 | lttng_strerror(-ret), handle->session_name); | |
476 | ret = LTTNG_ERR_MAP_NOT_FOUND; | |
477 | goto end; | |
478 | } | |
479 | ||
480 | end: | |
481 | lttng_map_list_destroy(map_list); | |
482 | return ret; | |
483 | } | |
484 | ||
485 | int cmd_view_map(int argc, const char **argv) | |
486 | { | |
487 | struct argpar_parse_ret argpar_parse_ret = { 0 }; | |
488 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; | |
489 | const char *opt_map_name = NULL;; | |
490 | char *opt_session_name = NULL, *session_name = NULL; | |
491 | char *opt_key_filter = NULL; | |
492 | struct lttng_domain domain; | |
493 | struct lttng_domain *domains = NULL; | |
494 | struct lttng_handle *handle; | |
495 | ||
496 | int ret, i; | |
497 | ||
498 | memset(&domain, 0, sizeof(domain)); | |
499 | ||
500 | argpar_parse_ret = argpar_parse(argc - 1, argv + 1, | |
501 | view_map_options, true); | |
502 | if (!argpar_parse_ret.items) { | |
503 | ERR("%s", argpar_parse_ret.error); | |
504 | goto error; | |
505 | } | |
506 | ||
507 | for (i = 0; i < argpar_parse_ret.items->n_items; i++) { | |
508 | struct argpar_item *item = argpar_parse_ret.items->items[i]; | |
509 | ||
510 | if (item->type == ARGPAR_ITEM_TYPE_OPT) { | |
511 | struct argpar_item_opt *item_opt = | |
512 | (struct argpar_item_opt *) item; | |
513 | ||
514 | switch (item_opt->descr->id) { | |
515 | case OPT_HELP: | |
516 | SHOW_HELP(); | |
517 | ret = CMD_SUCCESS; | |
518 | goto end; | |
519 | case OPT_SESSION: | |
520 | if (!assign_string(&opt_session_name, item_opt->arg, | |
521 | "-s/--session")) { | |
522 | goto error; | |
523 | } | |
524 | break; | |
525 | case OPT_LIST_OPTIONS: | |
526 | list_cmd_options_argpar(stdout, | |
527 | view_map_options); | |
528 | ret = CMD_SUCCESS; | |
529 | goto end; | |
530 | case OPT_USERSPACE: | |
531 | if (!assign_domain_type(&domain_type, LTTNG_DOMAIN_UST)) { | |
532 | goto error; | |
533 | } | |
534 | break; | |
535 | ||
536 | case OPT_KERNEL: | |
537 | if (!assign_domain_type(&domain_type, LTTNG_DOMAIN_KERNEL)) { | |
538 | goto error; | |
539 | } | |
540 | break; | |
541 | case OPT_KEY: | |
542 | if (!assign_string(&opt_key_filter, item_opt->arg, | |
543 | "--key")) { | |
544 | goto error; | |
545 | } | |
546 | break; | |
547 | ||
548 | default: | |
549 | abort(); | |
550 | } | |
551 | ||
552 | } else { | |
553 | struct argpar_item_non_opt *item_non_opt = | |
554 | (struct argpar_item_non_opt *) item; | |
555 | ||
556 | if (opt_map_name) { | |
557 | ERR("Unexpected argument: %s", item_non_opt->arg); | |
558 | goto error; | |
559 | } | |
560 | opt_map_name = item_non_opt->arg; | |
561 | } | |
562 | } | |
563 | ||
564 | if (!opt_map_name) { | |
565 | ERR("Map name must be provided"); | |
566 | goto error; | |
567 | } | |
568 | ||
569 | if (!opt_session_name) { | |
570 | DBG("No session name provided, print maps of the default session"); | |
571 | session_name = get_session_name(); | |
572 | if (session_name == NULL) { | |
573 | goto error; | |
574 | } | |
575 | } else { | |
576 | session_name = opt_session_name; | |
577 | } | |
578 | ||
579 | domain.type = domain_type; | |
580 | handle = lttng_create_handle(session_name, &domain); | |
581 | if (handle == NULL) { | |
582 | ret = CMD_FATAL; | |
583 | goto end; | |
584 | } | |
585 | ||
586 | if (domain.type != LTTNG_DOMAIN_NONE) { | |
587 | /* Print maps of the given domain. */ | |
588 | ret = view_map(handle, opt_map_name, opt_key_filter); | |
589 | if (ret != LTTNG_OK) { | |
590 | goto error; | |
591 | } | |
592 | } else { | |
593 | int domain_idx, nb_domain; | |
594 | bool found_one_map = false; | |
595 | ||
596 | /* We want all domain(s) */ | |
597 | nb_domain = lttng_list_domains(session_name, &domains); | |
598 | if (nb_domain < 0) { | |
599 | ret = CMD_ERROR; | |
600 | ERR("%s", lttng_strerror(nb_domain)); | |
601 | goto end; | |
602 | } | |
603 | ||
604 | for (domain_idx = 0; domain_idx < nb_domain; domain_idx++) { | |
605 | /* Clean handle before creating a new one */ | |
606 | if (handle) { | |
607 | lttng_destroy_handle(handle); | |
608 | } | |
609 | ||
610 | handle = lttng_create_handle(session_name, &domains[domain_idx]); | |
611 | if (handle == NULL) { | |
612 | ret = CMD_FATAL; | |
613 | goto end; | |
614 | } | |
615 | ||
616 | ret = view_map(handle, opt_map_name, opt_key_filter); | |
617 | ||
618 | if (ret == LTTNG_OK) { | |
619 | found_one_map = true; | |
620 | } else if (ret == LTTNG_ERR_MAP_NOT_FOUND) { | |
621 | DBG("Map not found in the current domain"); | |
622 | continue; | |
623 | } else { | |
624 | goto error; | |
625 | } | |
626 | } | |
627 | ||
628 | if (!found_one_map) { | |
629 | ERR("Map %s not found on any of the domains", opt_map_name); | |
630 | goto error; | |
631 | ||
632 | } | |
633 | } | |
634 | ||
635 | ret = CMD_SUCCESS; | |
636 | goto end; | |
637 | error: | |
638 | ret = CMD_ERROR; | |
639 | ||
640 | end: | |
641 | if (!opt_session_name && session_name) { | |
642 | free(session_name); | |
643 | } | |
644 | ||
645 | if (opt_key_filter) { | |
646 | free(opt_key_filter); | |
647 | } | |
648 | ||
649 | argpar_parse_ret_fini(&argpar_parse_ret); | |
650 | return ret; | |
651 | } |