Commit | Line | Data |
---|---|---|
434f8068 JR |
1 | /* |
2 | * notification.c | |
3 | * | |
4 | * Tests suite for LTTng notification API | |
5 | * | |
6 | * Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
7 | * | |
9d16b343 | 8 | * SPDX-License-Identifier: MIT |
434f8068 | 9 | * |
434f8068 JR |
10 | */ |
11 | ||
12 | #include <assert.h> | |
13 | #include <math.h> | |
14 | #include <stdbool.h> | |
15 | #include <stdio.h> | |
16 | #include <stdlib.h> | |
17 | #include <string.h> | |
18 | #include <unistd.h> | |
19 | #include <inttypes.h> | |
20 | #include <sys/types.h> | |
21 | #include <sys/stat.h> | |
22 | #include <fcntl.h> | |
854382b8 | 23 | #include <signal.h> |
854382b8 | 24 | #include <poll.h> |
434f8068 | 25 | |
edf4b93e | 26 | #include <common/compat/errno.h> |
434f8068 JR |
27 | #include <lttng/action/action.h> |
28 | #include <lttng/action/notify.h> | |
29 | #include <lttng/condition/buffer-usage.h> | |
30 | #include <lttng/condition/condition.h> | |
31 | #include <lttng/condition/evaluation.h> | |
7948461b | 32 | #include <lttng/condition/event-rule.h> |
434f8068 JR |
33 | #include <lttng/domain.h> |
34 | #include <lttng/endpoint.h> | |
51704c8e | 35 | #include <lttng/event-rule/kprobe.h> |
7948461b | 36 | #include <lttng/event-rule/tracepoint.h> |
51704c8e | 37 | #include <lttng/kernel-probe.h> |
434f8068 | 38 | #include <lttng/lttng-error.h> |
7948461b | 39 | #include <lttng/lttng.h> |
434f8068 JR |
40 | #include <lttng/notification/channel.h> |
41 | #include <lttng/notification/notification.h> | |
42 | #include <lttng/trigger/trigger.h> | |
43 | ||
44 | #include <tap/tap.h> | |
45 | ||
434f8068 JR |
46 | int nb_args = 0; |
47 | int named_pipe_args_start = 0; | |
7344b6a3 | 48 | pid_t app_pid = 0; |
854382b8 JR |
49 | const char *app_state_file = NULL; |
50 | ||
51 | static | |
52 | void wait_on_file(const char *path, bool file_exist) | |
53 | { | |
54 | if (!path) { | |
55 | return; | |
56 | } | |
57 | for (;;) { | |
58 | int ret; | |
59 | struct stat buf; | |
60 | ||
61 | ret = stat(path, &buf); | |
62 | if (ret == -1 && errno == ENOENT) { | |
63 | if (file_exist) { | |
f0784451 FD |
64 | /* |
65 | * The file does not exist. wait a bit and | |
66 | * continue looping until it does. | |
67 | */ | |
68 | (void) poll(NULL, 0, 10); | |
69 | continue; | |
854382b8 | 70 | } |
f0784451 FD |
71 | |
72 | /* | |
73 | * File does not exist and the exit condition we want. | |
74 | * Break from the loop and return. | |
75 | */ | |
76 | break; | |
854382b8 JR |
77 | } |
78 | if (ret) { | |
79 | perror("stat"); | |
80 | exit(EXIT_FAILURE); | |
81 | } | |
f0784451 FD |
82 | /* |
83 | * stat() returned 0, so the file exists. break now only if | |
84 | * that's the exit condition we want. | |
85 | */ | |
86 | if (file_exist) { | |
87 | break; | |
88 | } | |
854382b8 JR |
89 | } |
90 | } | |
434f8068 | 91 | |
f12eb9c1 | 92 | static |
434f8068 JR |
93 | int write_pipe(const char *path, uint8_t data) |
94 | { | |
95 | int ret = 0; | |
96 | int fd = 0; | |
97 | ||
98 | fd = open(path, O_WRONLY | O_NONBLOCK); | |
99 | if (fd < 0) { | |
100 | perror("Could not open consumer control named pipe"); | |
101 | goto end; | |
102 | } | |
103 | ||
104 | ret = write(fd, &data , sizeof(data)); | |
105 | if (ret < 1) { | |
106 | perror("Named pipe write failed"); | |
eff748d0 JR |
107 | if (close(fd)) { |
108 | perror("Named pipe close failed"); | |
109 | } | |
434f8068 JR |
110 | ret = -1; |
111 | goto end; | |
112 | } | |
113 | ||
114 | ret = close(fd); | |
115 | if (ret < 0) { | |
116 | perror("Name pipe closing failed"); | |
117 | ret = -1; | |
118 | goto end; | |
119 | } | |
120 | end: | |
121 | return ret; | |
122 | } | |
123 | ||
f12eb9c1 | 124 | static |
434f8068 JR |
125 | int stop_consumer(const char **argv) |
126 | { | |
9df6c82a JG |
127 | int ret = 0, i; |
128 | ||
129 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
130 | ret = write_pipe(argv[i], 49); |
131 | } | |
132 | return ret; | |
133 | } | |
134 | ||
f12eb9c1 | 135 | static |
434f8068 JR |
136 | int resume_consumer(const char **argv) |
137 | { | |
9df6c82a JG |
138 | int ret = 0, i; |
139 | ||
140 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
141 | ret = write_pipe(argv[i], 0); |
142 | } | |
143 | return ret; | |
144 | } | |
145 | ||
f12eb9c1 SM |
146 | static |
147 | int suspend_application(void) | |
854382b8 JR |
148 | { |
149 | int ret; | |
150 | struct stat buf; | |
151 | ||
152 | if (!stat(app_state_file, &buf)) { | |
153 | fail("App is already in a suspended state."); | |
154 | ret = -1; | |
155 | goto error; | |
156 | } | |
157 | ||
158 | /* | |
159 | * Send SIGUSR1 to application instructing it to bypass tracepoint. | |
160 | */ | |
7344b6a3 FD |
161 | assert(app_pid > 1); |
162 | ||
854382b8 JR |
163 | ret = kill(app_pid, SIGUSR1); |
164 | if (ret) { | |
165 | fail("SIGUSR1 failed. errno %d", errno); | |
166 | ret = -1; | |
167 | goto error; | |
168 | } | |
169 | ||
170 | wait_on_file(app_state_file, true); | |
171 | ||
172 | error: | |
173 | return ret; | |
174 | ||
175 | } | |
176 | ||
f12eb9c1 | 177 | static |
a3ecaea8 | 178 | int resume_application(void) |
854382b8 JR |
179 | { |
180 | int ret; | |
181 | struct stat buf; | |
182 | ||
183 | ret = stat(app_state_file, &buf); | |
184 | if (ret == -1 && errno == ENOENT) { | |
185 | fail("State file does not exist"); | |
186 | goto error; | |
187 | } | |
188 | if (ret) { | |
189 | perror("stat"); | |
190 | goto error; | |
191 | } | |
192 | ||
7344b6a3 FD |
193 | assert(app_pid > 1); |
194 | ||
854382b8 JR |
195 | ret = kill(app_pid, SIGUSR1); |
196 | if (ret) { | |
197 | fail("SIGUSR1 failed. errno %d", errno); | |
198 | ret = -1; | |
199 | goto error; | |
200 | } | |
201 | ||
202 | wait_on_file(app_state_file, false); | |
203 | ||
204 | error: | |
205 | return ret; | |
206 | ||
207 | } | |
208 | ||
209 | ||
f12eb9c1 | 210 | static |
434f8068 JR |
211 | void test_triggers_buffer_usage_condition(const char *session_name, |
212 | const char *channel_name, | |
213 | enum lttng_domain_type domain_type, | |
214 | enum lttng_condition_type condition_type) | |
215 | { | |
9df6c82a | 216 | unsigned int test_vector_size = 5, i; |
434f8068 JR |
217 | enum lttng_condition_status condition_status; |
218 | struct lttng_action *action; | |
219 | ||
220 | /* Set-up */ | |
221 | action = lttng_action_notify_create(); | |
222 | if (!action) { | |
223 | fail("Setup error on action creation"); | |
224 | goto end; | |
225 | } | |
226 | ||
227 | /* Test lttng_register_trigger with null value */ | |
228 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); | |
229 | ||
230 | /* Test: register a trigger */ | |
9df6c82a JG |
231 | |
232 | for (i = 0; i < pow(2,test_vector_size); i++) { | |
434f8068 JR |
233 | int loop_ret = 0; |
234 | char *test_tuple_string = NULL; | |
235 | unsigned int mask_position = 0; | |
236 | bool session_name_set = false; | |
237 | bool channel_name_set = false; | |
238 | bool threshold_ratio_set = false; | |
239 | bool threshold_byte_set = false; | |
240 | bool domain_type_set = false; | |
241 | ||
242 | struct lttng_trigger *trigger = NULL; | |
243 | struct lttng_condition *condition = NULL; | |
244 | ||
245 | /* Create base condition */ | |
246 | switch (condition_type) { | |
247 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
248 | condition = lttng_condition_buffer_usage_low_create(); | |
249 | break; | |
250 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
251 | condition = lttng_condition_buffer_usage_high_create(); | |
252 | break; | |
253 | default: | |
254 | loop_ret = 1; | |
255 | goto loop_end; | |
256 | } | |
257 | ||
258 | if (!condition) { | |
259 | loop_ret = 1; | |
260 | goto loop_end; | |
261 | ||
262 | } | |
263 | ||
264 | /* Prepare the condition for trigger registration test */ | |
265 | ||
266 | /* Set session name */ | |
267 | if ((1 << mask_position) & i) { | |
268 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
269 | condition, session_name); | |
270 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
271 | loop_ret = 1; | |
272 | goto loop_end; | |
273 | } | |
274 | session_name_set = true; | |
275 | } | |
276 | mask_position++; | |
277 | ||
278 | /* Set channel name */ | |
279 | if ((1 << mask_position) & i) { | |
280 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
281 | condition, channel_name); | |
282 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
283 | loop_ret = 1; | |
284 | goto loop_end; | |
285 | } | |
286 | channel_name_set = true; | |
287 | } | |
288 | mask_position++; | |
289 | ||
290 | /* Set threshold ratio */ | |
291 | if ((1 << mask_position) & i) { | |
292 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
293 | condition, 0.0); | |
294 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
295 | loop_ret = 1; | |
296 | goto loop_end; | |
297 | } | |
298 | threshold_ratio_set = true; | |
299 | } | |
300 | mask_position++; | |
301 | ||
302 | /* Set threshold byte */ | |
303 | if ((1 << mask_position) & i) { | |
304 | condition_status = lttng_condition_buffer_usage_set_threshold( | |
305 | condition, 0); | |
306 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
307 | loop_ret = 1; | |
308 | goto loop_end; | |
309 | } | |
310 | threshold_byte_set = true; | |
311 | } | |
312 | mask_position++; | |
313 | ||
314 | /* Set domain type */ | |
315 | if ((1 << mask_position) & i) { | |
316 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
317 | condition, LTTNG_DOMAIN_UST); | |
318 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
319 | loop_ret = 1; | |
320 | goto loop_end; | |
321 | } | |
322 | domain_type_set = true; | |
323 | } | |
324 | ||
325 | /* Safety check */ | |
326 | if (mask_position != test_vector_size -1) { | |
327 | assert("Logic error for test vector generation"); | |
328 | } | |
329 | ||
9479b7a7 | 330 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", |
434f8068 JR |
331 | session_name_set ? "set" : "unset", |
332 | channel_name_set ? "set" : "unset", | |
333 | threshold_ratio_set ? "set" : "unset", | |
334 | threshold_byte_set ? "set" : "unset", | |
335 | domain_type_set? "set" : "unset"); | |
336 | if (!test_tuple_string || loop_ret < 0) { | |
337 | loop_ret = 1; | |
338 | goto loop_end; | |
339 | } | |
340 | ||
341 | /* Create trigger */ | |
342 | trigger = lttng_trigger_create(condition, action); | |
343 | if (!trigger) { | |
344 | loop_ret = 1; | |
345 | goto loop_end; | |
346 | } | |
347 | ||
348 | loop_ret = lttng_register_trigger(trigger); | |
349 | ||
350 | loop_end: | |
351 | if (loop_ret == 1) { | |
352 | fail("Setup error occurred for tuple: %s", test_tuple_string); | |
353 | goto loop_cleanup; | |
354 | } | |
355 | ||
356 | /* This combination happens three times */ | |
357 | if (session_name_set && channel_name_set | |
358 | && (threshold_ratio_set || threshold_byte_set) | |
359 | && domain_type_set) { | |
360 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); | |
361 | ||
362 | /* | |
363 | * Test that a trigger cannot be registered | |
364 | * multiple time. | |
365 | */ | |
366 | loop_ret = lttng_register_trigger(trigger); | |
367 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); | |
368 | ||
369 | /* Test that a trigger can be unregistered */ | |
370 | loop_ret = lttng_unregister_trigger(trigger); | |
371 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); | |
372 | ||
373 | /* | |
374 | * Test that unregistration of a non-previously | |
375 | * registered trigger fail. | |
376 | */ | |
377 | loop_ret = lttng_unregister_trigger(trigger); | |
43e0c204 | 378 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string); |
434f8068 JR |
379 | } else { |
380 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); | |
381 | } | |
382 | ||
383 | loop_cleanup: | |
384 | free(test_tuple_string); | |
385 | lttng_trigger_destroy(trigger); | |
386 | lttng_condition_destroy(condition); | |
387 | } | |
388 | ||
389 | end: | |
390 | lttng_action_destroy(action); | |
391 | } | |
392 | ||
ff2b03c8 JG |
393 | static |
394 | void wait_data_pending(const char *session_name) | |
395 | { | |
396 | int ret; | |
397 | ||
398 | do { | |
399 | ret = lttng_data_pending(session_name); | |
400 | assert(ret >= 0); | |
401 | } while (ret != 0); | |
402 | } | |
403 | ||
f12eb9c1 | 404 | static |
17423302 FD |
405 | int setup_buffer_usage_condition(struct lttng_condition *condition, |
406 | const char *condition_name, | |
407 | const char *session_name, | |
408 | const char *channel_name, | |
409 | const enum lttng_domain_type domain_type) | |
410 | { | |
411 | enum lttng_condition_status condition_status; | |
412 | int ret = 0; | |
413 | ||
414 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
415 | condition, session_name); | |
416 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
417 | fail("Failed to set session name on creation of condition `%s`", | |
418 | condition_name); | |
419 | ret = -1; | |
420 | goto end; | |
421 | } | |
422 | ||
423 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
424 | condition, channel_name); | |
425 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
426 | fail("Failed to set channel name on creation of condition `%s`", | |
427 | condition_name); | |
428 | ret = -1; | |
429 | goto end; | |
430 | } | |
431 | ||
432 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
433 | condition, domain_type); | |
434 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
435 | fail("Failed to set domain type on creation of condition `%s`", | |
436 | condition_name); | |
437 | ret = -1; | |
438 | goto end; | |
439 | } | |
440 | ||
441 | end: | |
442 | return ret; | |
443 | } | |
444 | ||
445 | static | |
90fcb2ec FD |
446 | void test_invalid_channel_subscription( |
447 | const enum lttng_domain_type domain_type) | |
434f8068 | 448 | { |
434f8068 JR |
449 | enum lttng_condition_status condition_status; |
450 | enum lttng_notification_channel_status nc_status; | |
434f8068 | 451 | struct lttng_condition *dummy_condition = NULL; |
90fcb2ec FD |
452 | struct lttng_condition *dummy_invalid_condition = NULL; |
453 | struct lttng_notification_channel *notification_channel = NULL; | |
454 | int ret = 0; | |
434f8068 | 455 | |
90fcb2ec FD |
456 | notification_channel = lttng_notification_channel_create( |
457 | lttng_session_daemon_notification_endpoint); | |
458 | ok(notification_channel, "Notification channel object creation"); | |
459 | if (!notification_channel) { | |
434f8068 JR |
460 | goto end; |
461 | } | |
462 | ||
90fcb2ec FD |
463 | /* |
464 | * Create a dummy, empty (thus invalid) condition to test error paths. | |
465 | */ | |
434f8068 JR |
466 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); |
467 | if (!dummy_invalid_condition) { | |
468 | fail("Setup error on condition creation"); | |
469 | goto end; | |
470 | } | |
471 | ||
90fcb2ec FD |
472 | /* |
473 | * Test subscription and unsubscription of an invalid condition to/from | |
474 | * a channel. | |
475 | */ | |
476 | nc_status = lttng_notification_channel_subscribe( | |
477 | notification_channel, dummy_invalid_condition); | |
478 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
479 | "Subscribing to an invalid condition"); | |
480 | ||
481 | nc_status = lttng_notification_channel_unsubscribe( | |
482 | notification_channel, dummy_invalid_condition); | |
483 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
484 | "Unsubscribing from an invalid condition"); | |
485 | ||
434f8068 JR |
486 | /* Create a valid dummy condition with a ratio of 0.5 */ |
487 | dummy_condition = lttng_condition_buffer_usage_low_create(); | |
488 | if (!dummy_condition) { | |
489 | fail("Setup error on dummy_condition creation"); | |
490 | goto end; | |
434f8068 | 491 | } |
90fcb2ec | 492 | |
434f8068 JR |
493 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
494 | dummy_condition, 0.5); | |
495 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
496 | fail("Setup error on condition creation"); | |
497 | goto end; | |
498 | } | |
499 | ||
17423302 | 500 | ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition", |
90fcb2ec | 501 | "dummy_session", "dummy_channel", domain_type); |
17423302 FD |
502 | if (ret) { |
503 | fail("Setup error on dummy condition creation"); | |
434f8068 JR |
504 | goto end; |
505 | } | |
506 | ||
90fcb2ec FD |
507 | /* |
508 | * Test subscription and unsubscription to/from a channel with invalid | |
509 | * parameters. | |
510 | */ | |
511 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); | |
512 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
513 | "Notification channel subscription is invalid: NULL, NULL"); | |
514 | ||
515 | nc_status = lttng_notification_channel_subscribe( | |
516 | notification_channel, NULL); | |
517 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
518 | "Notification channel subscription is invalid: NON-NULL, NULL"); | |
519 | ||
520 | nc_status = lttng_notification_channel_subscribe(NULL, dummy_condition); | |
521 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
522 | "Notification channel subscription is invalid: NULL, NON-NULL"); | |
523 | ||
524 | nc_status = lttng_notification_channel_unsubscribe( | |
525 | notification_channel, dummy_condition); | |
526 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, | |
527 | "Unsubscribing from a valid unknown condition"); | |
528 | ||
529 | end: | |
530 | lttng_notification_channel_destroy(notification_channel); | |
531 | lttng_condition_destroy(dummy_invalid_condition); | |
532 | lttng_condition_destroy(dummy_condition); | |
533 | return; | |
534 | } | |
535 | ||
3780613c FD |
536 | enum buffer_usage_type { |
537 | BUFFER_USAGE_TYPE_LOW, | |
538 | BUFFER_USAGE_TYPE_HIGH, | |
539 | }; | |
540 | ||
541 | static int register_buffer_usage_notify_trigger(const char *session_name, | |
90fcb2ec FD |
542 | const char *channel_name, |
543 | const enum lttng_domain_type domain_type, | |
3780613c FD |
544 | enum buffer_usage_type buffer_usage_type, |
545 | double ratio, | |
546 | struct lttng_condition **condition, | |
547 | struct lttng_action **action, | |
548 | struct lttng_trigger **trigger) | |
90fcb2ec | 549 | { |
90fcb2ec | 550 | enum lttng_condition_status condition_status; |
3780613c FD |
551 | struct lttng_action *tmp_action = NULL; |
552 | struct lttng_condition *tmp_condition = NULL; | |
553 | struct lttng_trigger *tmp_trigger = NULL; | |
554 | int ret = 0; | |
90fcb2ec FD |
555 | |
556 | /* Set-up */ | |
3780613c | 557 | tmp_action = lttng_action_notify_create(); |
90fcb2ec FD |
558 | if (!action) { |
559 | fail("Setup error on action creation"); | |
3780613c FD |
560 | ret = -1; |
561 | goto error; | |
434f8068 JR |
562 | } |
563 | ||
3780613c FD |
564 | if (buffer_usage_type == BUFFER_USAGE_TYPE_LOW) { |
565 | tmp_condition = lttng_condition_buffer_usage_low_create(); | |
566 | } else { | |
567 | tmp_condition = lttng_condition_buffer_usage_high_create(); | |
434f8068 JR |
568 | } |
569 | ||
3780613c FD |
570 | if (!tmp_condition) { |
571 | fail("Setup error on condition creation"); | |
572 | ret = -1; | |
573 | goto error; | |
434f8068 JR |
574 | } |
575 | ||
3780613c | 576 | /* Set the buffer usage threashold */ |
434f8068 | 577 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
3780613c | 578 | tmp_condition, ratio); |
434f8068 | 579 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
3780613c FD |
580 | fail("Setup error on condition creation"); |
581 | ret = -1; | |
582 | goto error; | |
434f8068 JR |
583 | } |
584 | ||
3780613c | 585 | ret = setup_buffer_usage_condition(tmp_condition, "condition_name", |
17423302 FD |
586 | session_name, channel_name, domain_type); |
587 | if (ret) { | |
3780613c FD |
588 | fail("Setup error on condition creation"); |
589 | ret = -1; | |
590 | goto error; | |
434f8068 JR |
591 | } |
592 | ||
3780613c FD |
593 | /* Register the trigger for condition. */ |
594 | tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action); | |
595 | if (!tmp_trigger) { | |
596 | fail("Setup error on trigger creation"); | |
597 | ret = -1; | |
598 | goto error; | |
434f8068 JR |
599 | } |
600 | ||
3780613c | 601 | ret = lttng_register_trigger(tmp_trigger); |
434f8068 | 602 | if (ret) { |
3780613c FD |
603 | fail("Setup error on trigger registration"); |
604 | ret = -1; | |
605 | goto error; | |
434f8068 JR |
606 | } |
607 | ||
3780613c FD |
608 | *condition = tmp_condition; |
609 | *trigger = tmp_trigger; | |
610 | *action = tmp_action; | |
611 | goto end; | |
434f8068 | 612 | |
3780613c FD |
613 | error: |
614 | lttng_action_destroy(tmp_action); | |
615 | lttng_condition_destroy(tmp_condition); | |
616 | lttng_trigger_destroy(tmp_trigger); | |
617 | ||
618 | end: | |
619 | return ret; | |
620 | } | |
621 | ||
fa448dbe FD |
622 | static void test_subscription_twice(const char *session_name, |
623 | const char *channel_name, | |
624 | const enum lttng_domain_type domain_type) | |
625 | { | |
626 | int ret = 0; | |
627 | enum lttng_notification_channel_status nc_status; | |
628 | ||
629 | struct lttng_action *action = NULL; | |
630 | struct lttng_notification_channel *notification_channel = NULL; | |
631 | struct lttng_trigger *trigger = NULL; | |
632 | ||
633 | struct lttng_condition *condition = NULL; | |
634 | ||
635 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, | |
636 | domain_type, BUFFER_USAGE_TYPE_LOW, 0.99, &condition, | |
637 | &action, &trigger); | |
638 | if (ret) { | |
639 | fail("Setup error on trigger registration"); | |
640 | goto end; | |
641 | } | |
642 | ||
643 | /* Begin testing. */ | |
644 | notification_channel = lttng_notification_channel_create( | |
645 | lttng_session_daemon_notification_endpoint); | |
646 | ok(notification_channel, "Notification channel object creation"); | |
647 | if (!notification_channel) { | |
648 | goto end; | |
649 | } | |
650 | ||
651 | /* Subscribe a valid condition. */ | |
652 | nc_status = lttng_notification_channel_subscribe( | |
653 | notification_channel, condition); | |
654 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
655 | "Subscribe to condition"); | |
656 | ||
657 | /* Subscribing again should fail. */ | |
658 | nc_status = lttng_notification_channel_subscribe( | |
659 | notification_channel, condition); | |
660 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, | |
661 | "Subscribe to a condition for which subscription was already done"); | |
662 | ||
663 | end: | |
664 | lttng_unregister_trigger(trigger); | |
665 | lttng_trigger_destroy(trigger); | |
666 | lttng_notification_channel_destroy(notification_channel); | |
667 | lttng_action_destroy(action); | |
668 | lttng_condition_destroy(condition); | |
669 | } | |
670 | ||
40ac6709 | 671 | static void test_buffer_usage_notification_channel(const char *session_name, |
3780613c FD |
672 | const char *channel_name, |
673 | const enum lttng_domain_type domain_type, | |
674 | const char **argv) | |
675 | { | |
676 | int ret = 0; | |
677 | enum lttng_notification_channel_status nc_status; | |
678 | ||
679 | struct lttng_action *low_action = NULL; | |
680 | struct lttng_action *high_action = NULL; | |
681 | struct lttng_notification *notification = NULL; | |
682 | struct lttng_notification_channel *notification_channel = NULL; | |
683 | struct lttng_trigger *low_trigger = NULL; | |
684 | struct lttng_trigger *high_trigger = NULL; | |
685 | ||
686 | struct lttng_condition *low_condition = NULL; | |
687 | struct lttng_condition *high_condition = NULL; | |
688 | ||
689 | const double low_ratio = 0.0; | |
690 | const double high_ratio = 0.90; | |
691 | ||
692 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, | |
693 | domain_type, BUFFER_USAGE_TYPE_LOW, low_ratio, | |
694 | &low_condition, &low_action, &low_trigger); | |
695 | if (ret) { | |
696 | fail("Setup error on low trigger registration"); | |
434f8068 JR |
697 | goto end; |
698 | } | |
699 | ||
3780613c FD |
700 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
701 | domain_type, BUFFER_USAGE_TYPE_HIGH, high_ratio, | |
702 | &high_condition, &high_action, &high_trigger); | |
434f8068 JR |
703 | if (ret) { |
704 | fail("Setup error on high trigger registration"); | |
705 | goto end; | |
706 | } | |
707 | ||
708 | /* Begin testing */ | |
a6ae2480 FD |
709 | notification_channel = lttng_notification_channel_create( |
710 | lttng_session_daemon_notification_endpoint); | |
434f8068 JR |
711 | ok(notification_channel, "Notification channel object creation"); |
712 | if (!notification_channel) { | |
713 | goto end; | |
714 | } | |
715 | ||
434f8068 | 716 | /* Subscribe a valid low condition */ |
a6ae2480 FD |
717 | nc_status = lttng_notification_channel_subscribe( |
718 | notification_channel, low_condition); | |
719 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
40ac6709 | 720 | "Subscribe to low condition"); |
434f8068 JR |
721 | |
722 | /* Subscribe a valid high condition */ | |
a6ae2480 FD |
723 | nc_status = lttng_notification_channel_subscribe( |
724 | notification_channel, high_condition); | |
725 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
40ac6709 | 726 | "Subscribe to high condition"); |
434f8068 | 727 | |
7676e0d2 FD |
728 | resume_application(); |
729 | ||
434f8068 | 730 | /* Wait for notification to happen */ |
434f8068 | 731 | stop_consumer(argv); |
ff2b03c8 | 732 | lttng_start_tracing(session_name); |
434f8068 JR |
733 | |
734 | /* Wait for high notification */ | |
67c93c15 | 735 | do { |
a6ae2480 FD |
736 | nc_status = lttng_notification_channel_get_next_notification( |
737 | notification_channel, ¬ification); | |
67c93c15 | 738 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
a6ae2480 FD |
739 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
740 | lttng_condition_get_type(lttng_notification_get_condition( | |
741 | notification)) == | |
742 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
434f8068 JR |
743 | "High notification received after intermediary communication"); |
744 | lttng_notification_destroy(notification); | |
745 | notification = NULL; | |
746 | ||
854382b8 | 747 | suspend_application(); |
ff2b03c8 | 748 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 749 | resume_consumer(argv); |
ff2b03c8 | 750 | wait_data_pending(session_name); |
434f8068 JR |
751 | |
752 | /* | |
753 | * Test that communication still work even if there is notification | |
754 | * waiting for consumption. | |
755 | */ | |
756 | ||
a6ae2480 FD |
757 | nc_status = lttng_notification_channel_unsubscribe( |
758 | notification_channel, low_condition); | |
759 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
760 | "Unsubscribe with pending notification"); | |
434f8068 | 761 | |
a6ae2480 FD |
762 | nc_status = lttng_notification_channel_subscribe( |
763 | notification_channel, low_condition); | |
764 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
765 | "Subscribe with pending notification"); | |
434f8068 | 766 | |
67c93c15 | 767 | do { |
a6ae2480 FD |
768 | nc_status = lttng_notification_channel_get_next_notification( |
769 | notification_channel, ¬ification); | |
67c93c15 | 770 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
a6ae2480 FD |
771 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
772 | lttng_condition_get_type(lttng_notification_get_condition( | |
773 | notification)) == | |
774 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
434f8068 JR |
775 | "Low notification received after intermediary communication"); |
776 | lttng_notification_destroy(notification); | |
777 | notification = NULL; | |
778 | ||
779 | /* Stop consumer to force a high notification */ | |
ff2b03c8 | 780 | stop_consumer(argv); |
854382b8 | 781 | resume_application(); |
434f8068 | 782 | lttng_start_tracing(session_name); |
434f8068 | 783 | |
67c93c15 | 784 | do { |
a6ae2480 FD |
785 | nc_status = lttng_notification_channel_get_next_notification( |
786 | notification_channel, ¬ification); | |
67c93c15 | 787 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
434f8068 | 788 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
a6ae2480 FD |
789 | lttng_condition_get_type(lttng_notification_get_condition( |
790 | notification)) == | |
791 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
434f8068 JR |
792 | "High notification received after intermediary communication"); |
793 | lttng_notification_destroy(notification); | |
794 | notification = NULL; | |
795 | ||
854382b8 | 796 | suspend_application(); |
ff2b03c8 | 797 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 798 | resume_consumer(argv); |
ff2b03c8 | 799 | wait_data_pending(session_name); |
434f8068 | 800 | |
67c93c15 | 801 | do { |
a6ae2480 FD |
802 | nc_status = lttng_notification_channel_get_next_notification( |
803 | notification_channel, ¬ification); | |
67c93c15 | 804 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
434f8068 | 805 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
a6ae2480 FD |
806 | lttng_condition_get_type(lttng_notification_get_condition( |
807 | notification)) == | |
808 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
434f8068 JR |
809 | "Low notification received after re-subscription"); |
810 | lttng_notification_destroy(notification); | |
811 | notification = NULL; | |
812 | ||
ff2b03c8 | 813 | stop_consumer(argv); |
854382b8 | 814 | resume_application(); |
434f8068 JR |
815 | /* Stop consumer to force a high notification */ |
816 | lttng_start_tracing(session_name); | |
434f8068 | 817 | |
67c93c15 | 818 | do { |
a6ae2480 FD |
819 | nc_status = lttng_notification_channel_get_next_notification( |
820 | notification_channel, ¬ification); | |
67c93c15 | 821 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
434f8068 | 822 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
a6ae2480 FD |
823 | lttng_condition_get_type(lttng_notification_get_condition( |
824 | notification)) == | |
825 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
434f8068 JR |
826 | "High notification"); |
827 | lttng_notification_destroy(notification); | |
828 | notification = NULL; | |
829 | ||
ff2b03c8 | 830 | suspend_application(); |
7676e0d2 FD |
831 | |
832 | /* Resume consumer to allow event consumption */ | |
ff2b03c8 | 833 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 834 | resume_consumer(argv); |
ff2b03c8 | 835 | wait_data_pending(session_name); |
434f8068 | 836 | |
a6ae2480 FD |
837 | nc_status = lttng_notification_channel_unsubscribe( |
838 | notification_channel, low_condition); | |
839 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
840 | "Unsubscribe low condition with pending notification"); | |
841 | ||
842 | nc_status = lttng_notification_channel_unsubscribe( | |
843 | notification_channel, high_condition); | |
844 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
845 | "Unsubscribe high condition with pending notification"); | |
434f8068 JR |
846 | |
847 | end: | |
848 | lttng_notification_channel_destroy(notification_channel); | |
3780613c FD |
849 | lttng_trigger_destroy(low_trigger); |
850 | lttng_trigger_destroy(high_trigger); | |
851 | lttng_action_destroy(low_action); | |
852 | lttng_action_destroy(high_action); | |
434f8068 | 853 | lttng_condition_destroy(low_condition); |
eff748d0 | 854 | lttng_condition_destroy(high_condition); |
434f8068 JR |
855 | } |
856 | ||
7948461b FD |
857 | static void create_tracepoint_event_rule_trigger(const char *event_pattern, |
858 | const char *trigger_name, | |
859 | const char *filter, | |
860 | unsigned int exclusion_count, | |
3e4ee3b3 | 861 | const char * const *exclusions, |
7948461b FD |
862 | enum lttng_domain_type domain_type, |
863 | struct lttng_condition **condition, | |
864 | struct lttng_trigger **trigger) | |
865 | { | |
866 | enum lttng_event_rule_status event_rule_status; | |
867 | enum lttng_trigger_status trigger_status; | |
868 | ||
869 | struct lttng_action *tmp_action = NULL; | |
870 | struct lttng_event_rule *event_rule = NULL; | |
871 | struct lttng_condition *tmp_condition = NULL; | |
872 | struct lttng_trigger *tmp_trigger = NULL; | |
873 | int ret; | |
874 | ||
875 | assert(event_pattern); | |
876 | assert(trigger_name); | |
877 | assert(condition); | |
878 | assert(trigger); | |
879 | ||
880 | event_rule = lttng_event_rule_tracepoint_create(domain_type); | |
881 | ok(event_rule, "Tracepoint event rule object creation"); | |
882 | ||
883 | event_rule_status = lttng_event_rule_tracepoint_set_pattern( | |
884 | event_rule, event_pattern); | |
885 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, | |
886 | "Setting tracepoint event rule pattern: '%s'", | |
887 | event_pattern); | |
888 | ||
889 | if (filter) { | |
890 | event_rule_status = lttng_event_rule_tracepoint_set_filter( | |
891 | event_rule, filter); | |
892 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, | |
893 | "Setting tracepoint event rule filter: '%s'", | |
894 | filter); | |
895 | } | |
896 | ||
897 | if (exclusions) { | |
898 | int i; | |
899 | bool success = true; | |
900 | ||
901 | assert(domain_type == LTTNG_DOMAIN_UST); | |
902 | assert(exclusion_count > 0); | |
903 | ||
904 | for (i = 0; i < exclusion_count; i++) { | |
905 | event_rule_status = | |
906 | lttng_event_rule_tracepoint_add_exclusion( | |
907 | event_rule, | |
908 | exclusions[i]); | |
909 | if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { | |
910 | fail("Setting tracepoint event rule exclusion '%s'.", | |
911 | exclusions[i]); | |
912 | success = false; | |
913 | } | |
914 | } | |
915 | ||
916 | ok(success, "Setting tracepoint event rule exclusions"); | |
917 | } | |
918 | ||
919 | tmp_condition = lttng_condition_event_rule_create(event_rule); | |
920 | ok(tmp_condition, "Condition event rule object creation"); | |
921 | ||
922 | tmp_action = lttng_action_notify_create(); | |
923 | ok(tmp_action, "Action event rule object creation"); | |
924 | ||
925 | tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action); | |
926 | ok(tmp_trigger, "Trigger object creation %s", trigger_name); | |
927 | ||
928 | trigger_status = lttng_trigger_set_name(tmp_trigger, trigger_name); | |
929 | ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, | |
930 | "Setting name to trigger %s", trigger_name); | |
931 | ||
932 | ret = lttng_register_trigger(tmp_trigger); | |
933 | ok(ret == 0, "Trigger registration %s", trigger_name); | |
934 | ||
935 | lttng_event_rule_destroy(event_rule); | |
936 | ||
937 | *condition = tmp_condition; | |
938 | *trigger = tmp_trigger; | |
939 | ||
940 | return; | |
941 | } | |
942 | ||
943 | static char *get_next_notification_trigger_name( | |
944 | struct lttng_notification_channel *notification_channel) | |
945 | { | |
946 | struct lttng_notification *notification; | |
947 | enum lttng_notification_channel_status status; | |
948 | const struct lttng_evaluation *notification_evaluation; | |
949 | char *trigger_name = NULL; | |
950 | const char *name; | |
951 | enum lttng_condition_type notification_evaluation_type; | |
952 | ||
953 | /* Receive the next notification. */ | |
954 | status = lttng_notification_channel_get_next_notification( | |
955 | notification_channel, ¬ification); | |
956 | ||
957 | switch (status) { | |
958 | case LTTNG_NOTIFICATION_CHANNEL_STATUS_OK: | |
959 | break; | |
960 | default: | |
961 | /* Unhandled conditions / errors. */ | |
962 | fail("Failed to get next notification channel notification: status = %d", | |
963 | status); | |
964 | goto end; | |
965 | } | |
966 | ||
967 | notification_evaluation = | |
968 | lttng_notification_get_evaluation(notification); | |
969 | ||
970 | notification_evaluation_type = | |
971 | lttng_evaluation_get_type(notification_evaluation); | |
972 | switch (notification_evaluation_type) { | |
973 | case LTTNG_CONDITION_TYPE_EVENT_RULE_HIT: | |
974 | lttng_evaluation_event_rule_get_trigger_name( | |
975 | notification_evaluation, &name); | |
976 | ||
977 | trigger_name = strdup(name); | |
978 | break; | |
979 | default: | |
980 | fail("Unexpected notification evaluation type: notification type = %d", | |
981 | notification_evaluation_type); | |
982 | break; | |
983 | } | |
984 | ||
985 | lttng_notification_destroy(notification); | |
986 | ||
987 | end: | |
988 | return trigger_name; | |
989 | } | |
990 | ||
991 | static void test_tracepoint_event_rule_notification( | |
992 | enum lttng_domain_type domain_type) | |
993 | { | |
994 | int i; | |
995 | const int notification_count = 3; | |
996 | enum lttng_notification_channel_status nc_status; | |
997 | struct lttng_action *action = NULL; | |
998 | struct lttng_condition *condition = NULL; | |
999 | struct lttng_notification_channel *notification_channel = NULL; | |
1000 | struct lttng_trigger *trigger = NULL; | |
1001 | const char * const trigger_name = "my_precious"; | |
1002 | const char *pattern; | |
1003 | ||
1004 | if (domain_type == LTTNG_DOMAIN_UST) { | |
1005 | pattern = "tp:tptest"; | |
1006 | } else { | |
1007 | pattern = "lttng_test_filter_event"; | |
1008 | } | |
1009 | ||
1010 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0, | |
1011 | NULL, domain_type, &condition, &trigger); | |
1012 | ||
1013 | notification_channel = lttng_notification_channel_create( | |
1014 | lttng_session_daemon_notification_endpoint); | |
1015 | ok(notification_channel, "Notification channel object creation"); | |
1016 | ||
1017 | nc_status = lttng_notification_channel_subscribe( | |
1018 | notification_channel, condition); | |
1019 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
1020 | "Subscribe to tracepoint event rule condition"); | |
1021 | ||
1022 | resume_application(); | |
1023 | ||
1024 | /* Get 3 notifications. */ | |
1025 | for (i = 0; i < notification_count; i++) { | |
1026 | char *name = get_next_notification_trigger_name( | |
1027 | notification_channel); | |
1028 | ||
1029 | ok(strcmp(trigger_name, name) == 0, | |
1030 | "Received notification for the expected trigger name: '%s' (%d/%d)", | |
1031 | trigger_name, i + 1, notification_count); | |
1032 | free(name); | |
1033 | } | |
1034 | ||
1035 | suspend_application(); | |
1036 | lttng_notification_channel_destroy(notification_channel); | |
1037 | lttng_unregister_trigger(trigger); | |
1038 | lttng_trigger_destroy(trigger); | |
1039 | lttng_action_destroy(action); | |
1040 | lttng_condition_destroy(condition); | |
1041 | return; | |
1042 | } | |
1043 | ||
a740a242 FD |
1044 | static void test_tracepoint_event_rule_notification_filter( |
1045 | enum lttng_domain_type domain_type) | |
1046 | { | |
1047 | int i; | |
1048 | enum lttng_notification_channel_status nc_status; | |
1049 | ||
1050 | struct lttng_condition *ctrl_condition = NULL, *condition = NULL; | |
1051 | struct lttng_notification_channel *notification_channel = NULL; | |
1052 | struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL; | |
1053 | const char * const ctrl_trigger_name = "control_trigger"; | |
1054 | const char * const trigger_name = "trigger"; | |
1055 | const char *pattern; | |
1056 | int ctrl_count = 0, count = 0; | |
1057 | ||
1058 | if (domain_type == LTTNG_DOMAIN_UST) { | |
1059 | pattern = "tp:tptest"; | |
1060 | } else { | |
1061 | pattern = "lttng_test_filter_event"; | |
1062 | } | |
1063 | ||
1064 | notification_channel = lttng_notification_channel_create( | |
1065 | lttng_session_daemon_notification_endpoint); | |
1066 | ok(notification_channel, "Notification channel object creation"); | |
1067 | ||
1068 | create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, | |
1069 | 0, NULL, domain_type, &ctrl_condition, &ctrl_trigger); | |
1070 | ||
1071 | nc_status = lttng_notification_channel_subscribe( | |
1072 | notification_channel, ctrl_condition); | |
1073 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
1074 | "Subscribe to tracepoint event rule condition"); | |
1075 | ||
1076 | /* | |
1077 | * Attach a filter expression to get notification only if the | |
1078 | * `intfield` is even. | |
1079 | */ | |
1080 | create_tracepoint_event_rule_trigger(pattern, trigger_name, | |
1081 | "(intfield & 1) == 0", 0, NULL, domain_type, &condition, | |
1082 | &trigger); | |
1083 | ||
1084 | nc_status = lttng_notification_channel_subscribe( | |
1085 | notification_channel, condition); | |
1086 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
1087 | "Subscribe to tracepoint event rule condition"); | |
1088 | ||
1089 | /* | |
1090 | * We registered 2 notifications triggers, one with a filter and one | |
1091 | * without (control). The one with a filter will only fired when the | |
1092 | * `intfield` is a multiple of 2. We should get two times as many | |
1093 | * control notifications as filter notifications. | |
1094 | */ | |
1095 | resume_application(); | |
1096 | ||
1097 | /* | |
1098 | * Get 3 notifications. We should get 1 for the regular trigger (with | |
1099 | * the filter) and 2 from the control trigger. This works whatever | |
1100 | * the order we receive the notifications. | |
1101 | */ | |
1102 | for (i = 0; i < 3; i++) { | |
1103 | char *name = get_next_notification_trigger_name( | |
1104 | notification_channel); | |
1105 | ||
1106 | if (strcmp(ctrl_trigger_name, name) == 0) { | |
1107 | ctrl_count++; | |
1108 | } else if (strcmp(trigger_name, name) == 0) { | |
1109 | count++; | |
1110 | } | |
1111 | ||
1112 | free(name); | |
1113 | } | |
1114 | ||
1115 | ok(ctrl_count / 2 == count, | |
1116 | "Get twice as many control notif as of regular notif"); | |
1117 | ||
1118 | suspend_application(); | |
1119 | ||
1120 | lttng_unregister_trigger(trigger); | |
1121 | lttng_unregister_trigger(ctrl_trigger); | |
1122 | lttng_notification_channel_destroy(notification_channel); | |
1123 | lttng_trigger_destroy(trigger); | |
1124 | lttng_trigger_destroy(ctrl_trigger); | |
1125 | lttng_condition_destroy(condition); | |
1126 | lttng_condition_destroy(ctrl_condition); | |
1127 | } | |
1128 | ||
3e4ee3b3 FD |
1129 | static void test_tracepoint_event_rule_notification_exclusion( |
1130 | enum lttng_domain_type domain_type) | |
1131 | { | |
1132 | enum lttng_notification_channel_status nc_status; | |
1133 | struct lttng_condition *ctrl_condition = NULL, *condition = NULL; | |
1134 | struct lttng_notification_channel *notification_channel = NULL; | |
1135 | struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL; | |
1136 | int ctrl_count = 0, count = 0, i; | |
1137 | const char * const ctrl_trigger_name = "control_exclusion_trigger"; | |
1138 | const char * const trigger_name = "exclusion_trigger"; | |
1139 | const char * const pattern = "tp:tptest*"; | |
1140 | const char * const exclusions[] = { | |
1141 | "tp:tptest2", | |
1142 | "tp:tptest3", | |
1143 | "tp:tptest4", | |
1144 | "tp:tptest5" | |
1145 | }; | |
1146 | ||
1147 | notification_channel = lttng_notification_channel_create( | |
1148 | lttng_session_daemon_notification_endpoint); | |
1149 | ok(notification_channel, "Notification channel object creation"); | |
1150 | ||
1151 | create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, | |
1152 | 0, NULL, domain_type, &ctrl_condition, &ctrl_trigger); | |
1153 | ||
1154 | nc_status = lttng_notification_channel_subscribe( | |
1155 | notification_channel, ctrl_condition); | |
1156 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
1157 | "Subscribe to tracepoint event rule condition"); | |
1158 | ||
1159 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 4, | |
1160 | exclusions, domain_type, &condition, &trigger); | |
1161 | ||
1162 | nc_status = lttng_notification_channel_subscribe( | |
1163 | notification_channel, condition); | |
1164 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
1165 | "Subscribe to tracepoint event rule condition"); | |
1166 | ||
1167 | /* | |
1168 | * We registered 2 notifications triggers, one with an exclusion and | |
1169 | * one without (control). | |
1170 | * - The trigger with an exclusion will fire once every iteration. | |
1171 | * - The trigger without an exclusion will fire 5 times every | |
1172 | * iteration. | |
1173 | * | |
1174 | * We should get 5 times as many notifications from the control | |
1175 | * trigger. | |
1176 | */ | |
1177 | resume_application(); | |
1178 | ||
1179 | /* | |
1180 | * Get 6 notifications. We should get 1 for the regular trigger (with | |
1181 | * the exclusion) and 5 from the control trigger. This works whatever | |
1182 | * the order we receive the notifications. | |
1183 | */ | |
1184 | for (i = 0; i < 6; i++) { | |
1185 | char *name = get_next_notification_trigger_name( | |
1186 | notification_channel); | |
1187 | ||
1188 | if (strcmp(ctrl_trigger_name, name) == 0) { | |
1189 | ctrl_count++; | |
1190 | } else if (strcmp(trigger_name, name) == 0) { | |
1191 | count++; | |
1192 | } | |
1193 | ||
1194 | free(name); | |
1195 | } | |
1196 | ||
1197 | ok(ctrl_count / 5 == count, | |
1198 | "Got 5 times as many control notif as of regular notif"); | |
1199 | ||
1200 | suspend_application(); | |
1201 | ||
1202 | lttng_unregister_trigger(trigger); | |
1203 | lttng_unregister_trigger(ctrl_trigger); | |
1204 | lttng_notification_channel_destroy(notification_channel); | |
1205 | lttng_trigger_destroy(trigger); | |
1206 | lttng_trigger_destroy(ctrl_trigger); | |
1207 | lttng_condition_destroy(condition); | |
1208 | lttng_condition_destroy(ctrl_condition); | |
1209 | return; | |
1210 | } | |
1211 | ||
51704c8e FD |
1212 | static void test_kprobe_event_rule_notification( |
1213 | enum lttng_domain_type domain_type) | |
1214 | { | |
1215 | int i, ret; | |
1216 | const int notification_count = 3; | |
1217 | enum lttng_notification_channel_status nc_status; | |
1218 | enum lttng_event_rule_status event_rule_status; | |
1219 | enum lttng_trigger_status trigger_status; | |
1220 | struct lttng_notification_channel *notification_channel = NULL; | |
1221 | struct lttng_condition *condition = NULL; | |
1222 | struct lttng_kernel_probe_location *location = NULL; | |
1223 | struct lttng_event_rule *event_rule = NULL; | |
1224 | struct lttng_action *action = NULL; | |
1225 | struct lttng_trigger *trigger = NULL; | |
1226 | const char * const trigger_name = "kprobe_trigger"; | |
1227 | const char * const symbol_name = "lttng_test_filter_event_write"; | |
1228 | ||
1229 | action = lttng_action_notify_create(); | |
1230 | if (!action) { | |
1231 | fail("Failed to create notify action"); | |
1232 | goto end; | |
1233 | } | |
1234 | ||
1235 | location = lttng_kernel_probe_location_symbol_create(symbol_name, 0); | |
1236 | if (!location) { | |
1237 | fail("Failed to create kernel probe location"); | |
1238 | goto end; | |
1239 | } | |
1240 | ||
1241 | notification_channel = lttng_notification_channel_create( | |
1242 | lttng_session_daemon_notification_endpoint); | |
1243 | ok(notification_channel, "Notification channel object creation"); | |
1244 | ||
1245 | event_rule = lttng_event_rule_kprobe_create(); | |
1246 | ok(event_rule, "kprobe event rule object creation"); | |
1247 | ||
1248 | event_rule_status = lttng_event_rule_kprobe_set_location( | |
1249 | event_rule, location); | |
1250 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, | |
1251 | "Setting kprobe event rule location: '%s'", symbol_name); | |
1252 | ||
1253 | event_rule_status = lttng_event_rule_kprobe_set_name( | |
1254 | event_rule, trigger_name); | |
1255 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, | |
1256 | "Setting kprobe event rule name: '%s'", trigger_name); | |
1257 | ||
1258 | condition = lttng_condition_event_rule_create(event_rule); | |
1259 | ok(condition, "Condition event rule object creation"); | |
1260 | ||
1261 | /* Register the trigger for condition. */ | |
1262 | trigger = lttng_trigger_create(condition, action); | |
1263 | if (!trigger) { | |
1264 | fail("Failed to create trigger with kernel probe event rule condition and notify action"); | |
1265 | goto end; | |
1266 | } | |
1267 | ||
1268 | trigger_status = lttng_trigger_set_name(trigger, trigger_name); | |
1269 | ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, | |
1270 | "Setting trigger name to '%s'", trigger_name); | |
1271 | ||
1272 | ret = lttng_register_trigger(trigger); | |
1273 | if (ret) { | |
1274 | fail("Failed to register trigger with kernel probe event rule condition and notify action"); | |
1275 | goto end; | |
1276 | } | |
1277 | ||
1278 | nc_status = lttng_notification_channel_subscribe( | |
1279 | notification_channel, condition); | |
1280 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
1281 | "Subscribe to tracepoint event rule condition"); | |
1282 | ||
1283 | resume_application(); | |
1284 | ||
1285 | for (i = 0; i < notification_count; i++) { | |
1286 | char *name = get_next_notification_trigger_name( | |
1287 | notification_channel); | |
1288 | ||
1289 | ok(strcmp(trigger_name, name) == 0, | |
1290 | "Received notification for the expected trigger name: '%s' (%d/%d)", | |
1291 | trigger_name, i + 1, notification_count); | |
1292 | free(name); | |
1293 | } | |
1294 | ||
1295 | end: | |
1296 | suspend_application(); | |
1297 | lttng_notification_channel_destroy(notification_channel); | |
1298 | lttng_unregister_trigger(trigger); | |
1299 | lttng_trigger_destroy(trigger); | |
1300 | lttng_action_destroy(action); | |
1301 | lttng_condition_destroy(condition); | |
1302 | lttng_kernel_probe_location_destroy(location); | |
1303 | return; | |
1304 | } | |
1305 | ||
434f8068 JR |
1306 | int main(int argc, const char *argv[]) |
1307 | { | |
069fc1c5 | 1308 | int test_scenario; |
434f8068 JR |
1309 | const char *session_name = NULL; |
1310 | const char *channel_name = NULL; | |
1311 | const char *domain_type_string = NULL; | |
1312 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; | |
1313 | ||
a740a242 FD |
1314 | if (argc < 5) { |
1315 | fail("Missing test scenario, domain type, pid, or application state file argument(s)"); | |
434f8068 JR |
1316 | goto error; |
1317 | } | |
1318 | ||
069fc1c5 FD |
1319 | test_scenario = atoi(argv[1]); |
1320 | domain_type_string = argv[2]; | |
a740a242 FD |
1321 | app_pid = (pid_t) atoi(argv[3]); |
1322 | app_state_file = argv[4]; | |
434f8068 JR |
1323 | |
1324 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { | |
1325 | domain_type = LTTNG_DOMAIN_UST; | |
1326 | } | |
1327 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { | |
1328 | domain_type = LTTNG_DOMAIN_KERNEL; | |
1329 | } | |
1330 | if (domain_type == LTTNG_DOMAIN_NONE) { | |
1331 | fail("Unknown domain type"); | |
1332 | goto error; | |
1333 | } | |
1334 | ||
a740a242 FD |
1335 | /* |
1336 | * Test cases are responsible for resuming the app when needed | |
1337 | * and making sure it's suspended when returning. | |
1338 | */ | |
1339 | suspend_application(); | |
1340 | ||
069fc1c5 FD |
1341 | switch (test_scenario) { |
1342 | case 1: | |
1343 | { | |
a740a242 | 1344 | plan_tests(38); |
7948461b | 1345 | |
069fc1c5 | 1346 | /* Test cases that need gen-ust-event testapp. */ |
a740a242 | 1347 | diag("Test basic notification error paths for %s domain", |
069fc1c5 FD |
1348 | domain_type_string); |
1349 | test_invalid_channel_subscription(domain_type); | |
7948461b FD |
1350 | |
1351 | diag("Test tracepoint event rule notifications for domain %s", | |
1352 | domain_type_string); | |
1353 | test_tracepoint_event_rule_notification(domain_type); | |
1354 | ||
a740a242 FD |
1355 | diag("Test tracepoint event rule notifications with filter for domain %s", |
1356 | domain_type_string); | |
1357 | test_tracepoint_event_rule_notification_filter(domain_type); | |
069fc1c5 FD |
1358 | break; |
1359 | } | |
1360 | case 2: | |
1361 | { | |
1362 | /* Test cases that need a tracing session enabled. */ | |
1363 | plan_tests(99); | |
7676e0d2 | 1364 | |
069fc1c5 FD |
1365 | /* |
1366 | * Argument 7 and upward are named pipe location for consumerd | |
1367 | * control. | |
1368 | */ | |
1369 | named_pipe_args_start = 7; | |
1370 | ||
1371 | if (argc < 8) { | |
1372 | fail("Missing parameter for tests to run %d", argc); | |
1373 | goto error; | |
1374 | } | |
434f8068 | 1375 | |
069fc1c5 FD |
1376 | nb_args = argc; |
1377 | ||
a740a242 FD |
1378 | session_name = argv[5]; |
1379 | channel_name = argv[6]; | |
069fc1c5 FD |
1380 | |
1381 | test_subscription_twice(session_name, channel_name, | |
1382 | domain_type); | |
1383 | ||
1384 | diag("Test trigger for domain %s with buffer_usage_low condition", | |
1385 | domain_type_string); | |
1386 | test_triggers_buffer_usage_condition(session_name, channel_name, | |
1387 | domain_type, | |
1388 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); | |
1389 | ||
1390 | diag("Test trigger for domain %s with buffer_usage_high condition", | |
1391 | domain_type_string); | |
1392 | test_triggers_buffer_usage_condition(session_name, channel_name, | |
1393 | domain_type, | |
1394 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); | |
1395 | ||
1396 | diag("Test buffer usage notification channel api for domain %s", | |
1397 | domain_type_string); | |
1398 | test_buffer_usage_notification_channel(session_name, channel_name, | |
1399 | domain_type, argv); | |
1400 | break; | |
1401 | } | |
3e4ee3b3 FD |
1402 | case 3: |
1403 | { | |
1404 | /* | |
1405 | * Test cases that need a test app with more than one event | |
1406 | * type. | |
1407 | */ | |
1408 | plan_tests(19); | |
1409 | ||
1410 | /* | |
1411 | * At the moment, the only test case of this scenario is | |
1412 | * exclusion which is only supported by UST. | |
1413 | */ | |
1414 | assert(domain_type == LTTNG_DOMAIN_UST); | |
1415 | diag("Test tracepoint event rule notifications with exclusion for domain %s", | |
1416 | domain_type_string); | |
1417 | test_tracepoint_event_rule_notification_exclusion(domain_type); | |
1418 | ||
1419 | break; | |
1420 | } | |
51704c8e FD |
1421 | case 4: |
1422 | { | |
1423 | plan_tests(10); | |
1424 | ||
1425 | /* Test cases that need the kernel tracer. */ | |
1426 | assert(domain_type == LTTNG_DOMAIN_KERNEL); | |
1427 | diag("Test kprobe event rule notifications for domain %s", | |
1428 | domain_type_string); | |
1429 | ||
1430 | test_kprobe_event_rule_notification(domain_type); | |
1431 | ||
1432 | break; | |
1433 | } | |
069fc1c5 FD |
1434 | default: |
1435 | abort(); | |
1436 | } | |
90fcb2ec | 1437 | |
434f8068 JR |
1438 | error: |
1439 | return exit_status(); | |
1440 | } | |
1441 |