Commit | Line | Data |
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54d01ffb DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
54d01ffb | 7 | * |
d14d33bf AM |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
54d01ffb | 12 | * |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
54d01ffb DG |
16 | */ |
17 | ||
be040666 | 18 | #define _GNU_SOURCE |
d87bfb32 | 19 | #include <errno.h> |
54d01ffb | 20 | #include <urcu/list.h> |
2bdd86d4 | 21 | #include <string.h> |
54d01ffb DG |
22 | |
23 | #include <lttng/lttng.h> | |
db758600 | 24 | #include <common/error.h> |
10a8a223 | 25 | #include <common/sessiond-comm/sessiond-comm.h> |
54d01ffb DG |
26 | |
27 | #include "channel.h" | |
28 | #include "event.h" | |
4771f025 | 29 | #include "kernel.h" |
9df8df5e | 30 | #include "ust-ctl.h" |
edb67388 DG |
31 | #include "ust-app.h" |
32 | #include "trace-kernel.h" | |
33 | #include "trace-ust.h" | |
54d01ffb | 34 | |
8c9ae521 DG |
35 | /* |
36 | * Setup a lttng_event used to enable *all* syscall tracing. | |
37 | */ | |
38 | static void init_syscalls_kernel_event(struct lttng_event *event) | |
39 | { | |
40 | event->name[0] = '\0'; | |
41 | /* | |
42 | * We use LTTNG_EVENT* here since the trace kernel creation will make the | |
43 | * right changes for the kernel. | |
44 | */ | |
45 | event->type = LTTNG_EVENT_SYSCALL; | |
46 | } | |
47 | ||
54d01ffb | 48 | /* |
7a3d1328 | 49 | * Disable kernel tracepoint event for a channel from the kernel session. |
54d01ffb | 50 | */ |
7a3d1328 | 51 | int event_kernel_disable_tracepoint(struct ltt_kernel_session *ksession, |
54d01ffb DG |
52 | struct ltt_kernel_channel *kchan, char *event_name) |
53 | { | |
54 | int ret; | |
55 | struct ltt_kernel_event *kevent; | |
56 | ||
57 | kevent = trace_kernel_get_event_by_name(event_name, kchan); | |
58 | if (kevent == NULL) { | |
59 | ret = LTTCOMM_NO_EVENT; | |
60 | goto error; | |
61 | } | |
62 | ||
63 | ret = kernel_disable_event(kevent); | |
64 | if (ret < 0) { | |
65 | ret = LTTCOMM_KERN_DISABLE_FAIL; | |
66 | goto error; | |
67 | } | |
68 | ||
69 | DBG("Kernel event %s disable for channel %s.", | |
70 | kevent->event->name, kchan->channel->name); | |
71 | ||
72 | ret = LTTCOMM_OK; | |
73 | ||
74 | error: | |
75 | return ret; | |
76 | } | |
77 | ||
78 | /* | |
7a3d1328 | 79 | * Disable kernel tracepoint events for a channel from the kernel session. |
54d01ffb | 80 | */ |
7a3d1328 | 81 | int event_kernel_disable_all_tracepoints(struct ltt_kernel_session *ksession, |
54d01ffb DG |
82 | struct ltt_kernel_channel *kchan) |
83 | { | |
84 | int ret; | |
85 | struct ltt_kernel_event *kevent; | |
86 | ||
87 | /* For each event in the kernel session */ | |
88 | cds_list_for_each_entry(kevent, &kchan->events_list.head, list) { | |
89 | ret = kernel_disable_event(kevent); | |
90 | if (ret < 0) { | |
91 | /* We continue disabling the rest */ | |
92 | continue; | |
93 | } | |
94 | } | |
54d01ffb | 95 | ret = LTTCOMM_OK; |
7a3d1328 MD |
96 | return ret; |
97 | } | |
98 | ||
99 | /* | |
100 | * Disable kernel syscall events for a channel from the kernel session. | |
101 | */ | |
102 | int event_kernel_disable_all_syscalls(struct ltt_kernel_session *ksession, | |
103 | struct ltt_kernel_channel *kchan) | |
104 | { | |
105 | ERR("Cannot disable syscall tracing for existing session. Please destroy session instead."); | |
106 | return LTTCOMM_OK; /* Return OK so disable all succeeds */ | |
107 | } | |
54d01ffb | 108 | |
7a3d1328 MD |
109 | /* |
110 | * Disable all kernel event for a channel from the kernel session. | |
111 | */ | |
112 | int event_kernel_disable_all(struct ltt_kernel_session *ksession, | |
113 | struct ltt_kernel_channel *kchan) | |
114 | { | |
115 | int ret; | |
116 | ||
117 | ret = event_kernel_disable_all_tracepoints(ksession, kchan); | |
118 | if (ret != LTTCOMM_OK) | |
119 | return ret; | |
120 | ret = event_kernel_disable_all_syscalls(ksession, kchan); | |
54d01ffb DG |
121 | return ret; |
122 | } | |
123 | ||
124 | /* | |
7a3d1328 | 125 | * Enable kernel tracepoint event for a channel from the kernel session. |
54d01ffb | 126 | */ |
7a3d1328 | 127 | int event_kernel_enable_tracepoint(struct ltt_kernel_session *ksession, |
54d01ffb DG |
128 | struct ltt_kernel_channel *kchan, struct lttng_event *event) |
129 | { | |
130 | int ret; | |
131 | struct ltt_kernel_event *kevent; | |
132 | ||
133 | kevent = trace_kernel_get_event_by_name(event->name, kchan); | |
134 | if (kevent == NULL) { | |
135 | ret = kernel_create_event(event, kchan); | |
136 | if (ret < 0) { | |
15d5a1ad DG |
137 | switch (-ret) { |
138 | case EEXIST: | |
d87bfb32 | 139 | ret = LTTCOMM_KERN_EVENT_EXIST; |
15d5a1ad DG |
140 | break; |
141 | case ENOSYS: | |
142 | ret = LTTCOMM_KERN_EVENT_ENOSYS; | |
143 | break; | |
144 | default: | |
d87bfb32 | 145 | ret = LTTCOMM_KERN_ENABLE_FAIL; |
15d5a1ad | 146 | break; |
d87bfb32 | 147 | } |
7a3d1328 | 148 | goto end; |
54d01ffb DG |
149 | } |
150 | } else if (kevent->enabled == 0) { | |
151 | ret = kernel_enable_event(kevent); | |
152 | if (ret < 0) { | |
153 | ret = LTTCOMM_KERN_ENABLE_FAIL; | |
7a3d1328 | 154 | goto end; |
54d01ffb | 155 | } |
42224349 DG |
156 | } else { |
157 | /* At this point, the event is considered enabled */ | |
158 | ret = LTTCOMM_KERN_EVENT_EXIST; | |
159 | goto end; | |
54d01ffb | 160 | } |
42224349 | 161 | |
54d01ffb | 162 | ret = LTTCOMM_OK; |
7a3d1328 | 163 | end: |
54d01ffb DG |
164 | return ret; |
165 | } | |
166 | ||
167 | /* | |
7a3d1328 | 168 | * Enable all kernel tracepoint events of a channel of the kernel session. |
54d01ffb | 169 | */ |
7a3d1328 | 170 | int event_kernel_enable_all_tracepoints(struct ltt_kernel_session *ksession, |
54d01ffb DG |
171 | struct ltt_kernel_channel *kchan, int kernel_tracer_fd) |
172 | { | |
173 | int size, i, ret; | |
174 | struct ltt_kernel_event *kevent; | |
8f69e5eb | 175 | struct lttng_event *event_list = NULL; |
54d01ffb DG |
176 | |
177 | /* For each event in the kernel session */ | |
178 | cds_list_for_each_entry(kevent, &kchan->events_list.head, list) { | |
8f69e5eb DG |
179 | if (kevent->enabled == 0) { |
180 | ret = kernel_enable_event(kevent); | |
181 | if (ret < 0) { | |
182 | /* Enable failed but still continue */ | |
183 | continue; | |
184 | } | |
54d01ffb DG |
185 | } |
186 | } | |
187 | ||
188 | size = kernel_list_events(kernel_tracer_fd, &event_list); | |
189 | if (size < 0) { | |
190 | ret = LTTCOMM_KERN_LIST_FAIL; | |
7a3d1328 | 191 | goto end; |
54d01ffb DG |
192 | } |
193 | ||
194 | for (i = 0; i < size; i++) { | |
195 | kevent = trace_kernel_get_event_by_name(event_list[i].name, kchan); | |
196 | if (kevent == NULL) { | |
197 | /* Default event type for enable all */ | |
198 | event_list[i].type = LTTNG_EVENT_TRACEPOINT; | |
199 | /* Enable each single tracepoint event */ | |
200 | ret = kernel_create_event(&event_list[i], kchan); | |
201 | if (ret < 0) { | |
202 | /* Ignore error here and continue */ | |
203 | } | |
204 | } | |
205 | } | |
54d01ffb | 206 | free(event_list); |
8f69e5eb | 207 | |
54d01ffb | 208 | ret = LTTCOMM_OK; |
7a3d1328 | 209 | end: |
54d01ffb | 210 | return ret; |
7a3d1328 | 211 | |
54d01ffb | 212 | } |
8c9ae521 DG |
213 | |
214 | /* | |
7a3d1328 | 215 | * Enable all kernel tracepoint events of a channel of the kernel session. |
8c9ae521 | 216 | */ |
7a3d1328 | 217 | int event_kernel_enable_all_syscalls(struct ltt_kernel_session *ksession, |
8c9ae521 DG |
218 | struct ltt_kernel_channel *kchan, int kernel_tracer_fd) |
219 | { | |
220 | int ret; | |
221 | struct lttng_event event; | |
222 | ||
223 | init_syscalls_kernel_event(&event); | |
224 | ||
225 | DBG("Enabling all syscall tracing"); | |
226 | ||
227 | ret = kernel_create_event(&event, kchan); | |
228 | if (ret < 0) { | |
8f69e5eb DG |
229 | if (ret == -EEXIST) { |
230 | ret = LTTCOMM_KERN_EVENT_EXIST; | |
231 | } else { | |
232 | ret = LTTCOMM_KERN_ENABLE_FAIL; | |
233 | } | |
7a3d1328 | 234 | goto end; |
8c9ae521 | 235 | } |
8f69e5eb | 236 | |
8c9ae521 | 237 | ret = LTTCOMM_OK; |
7a3d1328 MD |
238 | end: |
239 | return ret; | |
240 | } | |
8c9ae521 | 241 | |
7a3d1328 MD |
242 | /* |
243 | * Enable all kernel events of a channel of the kernel session. | |
244 | */ | |
245 | int event_kernel_enable_all(struct ltt_kernel_session *ksession, | |
246 | struct ltt_kernel_channel *kchan, int kernel_tracer_fd) | |
247 | { | |
15d5a1ad | 248 | int tp_ret, syscall_ret; |
7a3d1328 | 249 | |
15d5a1ad DG |
250 | tp_ret = event_kernel_enable_all_tracepoints(ksession, kchan, kernel_tracer_fd); |
251 | if (tp_ret != LTTCOMM_OK) { | |
7a3d1328 MD |
252 | goto end; |
253 | } | |
15d5a1ad DG |
254 | |
255 | /* | |
256 | * Reaching this code path means that all tracepoints were enabled without | |
257 | * errors so we ignore the error value of syscalls. | |
258 | * | |
259 | * At the moment, failing to enable syscalls on "lttng enable-event -a -k" | |
260 | * is not considered an error that need to be returned to the client since | |
261 | * tracepoints did not fail. Future work will allow us to send back | |
262 | * multiple errors to the client in one API call. | |
263 | */ | |
264 | syscall_ret = event_kernel_enable_all_syscalls(ksession, kchan, | |
265 | kernel_tracer_fd); | |
266 | ||
7a3d1328 | 267 | end: |
15d5a1ad | 268 | return tp_ret; |
8c9ae521 | 269 | } |
2bdd86d4 | 270 | |
7f79d3a1 DG |
271 | /* |
272 | * ============================ | |
273 | * UST : The Ultimate Frontier! | |
274 | * ============================ | |
275 | */ | |
276 | ||
76d45b40 DG |
277 | /* |
278 | * Enable all UST tracepoints for a channel from a UST session. | |
279 | */ | |
280 | int event_ust_enable_all_tracepoints(struct ltt_ust_session *usess, int domain, | |
281 | struct ltt_ust_channel *uchan) | |
282 | { | |
283 | int ret, i; | |
284 | size_t size; | |
bec39940 | 285 | struct lttng_ht_iter iter; |
76d45b40 | 286 | struct ltt_ust_event *uevent = NULL; |
7f79d3a1 | 287 | struct lttng_event *events = NULL; |
76d45b40 DG |
288 | |
289 | switch (domain) { | |
290 | case LTTNG_DOMAIN_UST: | |
291 | { | |
292 | /* Enable existing events */ | |
bec39940 DG |
293 | cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent, |
294 | node.node) { | |
76d45b40 DG |
295 | if (uevent->enabled == 0) { |
296 | ret = ust_app_enable_event_glb(usess, uchan, uevent); | |
297 | if (ret < 0) { | |
298 | continue; | |
299 | } | |
300 | uevent->enabled = 1; | |
301 | } | |
302 | } | |
303 | ||
304 | /* Get all UST available events */ | |
305 | size = ust_app_list_events(&events); | |
306 | if (size < 0) { | |
307 | ret = LTTCOMM_UST_LIST_FAIL; | |
308 | goto error; | |
309 | } | |
310 | ||
311 | for (i = 0; i < size; i++) { | |
312 | /* | |
313 | * Check if event exist and if so, continue since it was enable | |
314 | * previously. | |
315 | */ | |
316 | uevent = trace_ust_find_event_by_name(uchan->events, | |
317 | events[i].name); | |
318 | if (uevent != NULL) { | |
319 | ret = ust_app_enable_event_pid(usess, uchan, uevent, | |
320 | events[i].pid); | |
321 | if (ret < 0) { | |
322 | if (ret != -EEXIST) { | |
323 | ret = LTTCOMM_UST_ENABLE_FAIL; | |
324 | goto error; | |
325 | } | |
326 | } | |
327 | continue; | |
328 | } | |
329 | ||
330 | /* Create ust event */ | |
331 | uevent = trace_ust_create_event(&events[i]); | |
332 | if (uevent == NULL) { | |
333 | ret = LTTCOMM_FATAL; | |
7f79d3a1 | 334 | goto error_destroy; |
76d45b40 DG |
335 | } |
336 | ||
337 | /* Create event for the specific PID */ | |
338 | ret = ust_app_enable_event_pid(usess, uchan, uevent, | |
339 | events[i].pid); | |
340 | if (ret < 0) { | |
341 | if (ret == -EEXIST) { | |
342 | ret = LTTCOMM_UST_EVENT_EXIST; | |
7f79d3a1 | 343 | goto error; |
76d45b40 DG |
344 | } else { |
345 | ret = LTTCOMM_UST_ENABLE_FAIL; | |
7f79d3a1 | 346 | goto error_destroy; |
76d45b40 | 347 | } |
76d45b40 DG |
348 | } |
349 | ||
350 | uevent->enabled = 1; | |
351 | /* Add ltt ust event to channel */ | |
352 | rcu_read_lock(); | |
bec39940 | 353 | lttng_ht_add_unique_str(uchan->events, &uevent->node); |
76d45b40 DG |
354 | rcu_read_unlock(); |
355 | } | |
356 | ||
357 | free(events); | |
358 | break; | |
359 | } | |
d78d6610 | 360 | #if 0 |
76d45b40 DG |
361 | case LTTNG_DOMAIN_UST_EXEC_NAME: |
362 | case LTTNG_DOMAIN_UST_PID: | |
363 | case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN: | |
d78d6610 | 364 | #endif |
76d45b40 | 365 | default: |
1ab1ea0b | 366 | ret = LTTCOMM_UND; |
76d45b40 DG |
367 | goto error; |
368 | } | |
369 | ||
370 | return LTTCOMM_OK; | |
371 | ||
7f79d3a1 | 372 | error_destroy: |
76d45b40 | 373 | trace_ust_destroy_event(uevent); |
7f79d3a1 DG |
374 | |
375 | error: | |
376 | free(events); | |
76d45b40 DG |
377 | return ret; |
378 | } | |
379 | ||
2bdd86d4 MD |
380 | /* |
381 | * Enable UST tracepoint event for a channel from a UST session. | |
382 | */ | |
edb67388 DG |
383 | int event_ust_enable_tracepoint(struct ltt_ust_session *usess, int domain, |
384 | struct ltt_ust_channel *uchan, struct lttng_event *event) | |
2bdd86d4 | 385 | { |
fc34caaa | 386 | int ret = LTTCOMM_OK, to_create = 0; |
edb67388 DG |
387 | struct ltt_ust_event *uevent; |
388 | ||
389 | uevent = trace_ust_find_event_by_name(uchan->events, event->name); | |
390 | if (uevent == NULL) { | |
391 | uevent = trace_ust_create_event(event); | |
392 | if (uevent == NULL) { | |
393 | ret = LTTCOMM_FATAL; | |
394 | goto error; | |
395 | } | |
fc34caaa | 396 | /* Valid to set it after the goto error since uevent is still NULL */ |
edb67388 DG |
397 | to_create = 1; |
398 | } | |
2bdd86d4 | 399 | |
7f79d3a1 DG |
400 | if (uevent->enabled) { |
401 | /* It's already enabled so everything is OK */ | |
7f79d3a1 DG |
402 | goto end; |
403 | } | |
404 | ||
fc34caaa DG |
405 | uevent->enabled = 1; |
406 | ||
edb67388 DG |
407 | switch (domain) { |
408 | case LTTNG_DOMAIN_UST: | |
409 | { | |
410 | if (to_create) { | |
411 | /* Create event on all UST registered apps for session */ | |
35a9059d | 412 | ret = ust_app_create_event_glb(usess, uchan, uevent); |
edb67388 DG |
413 | } else { |
414 | /* Enable event on all UST registered apps for session */ | |
35a9059d | 415 | ret = ust_app_enable_event_glb(usess, uchan, uevent); |
edb67388 | 416 | } |
48842b30 | 417 | |
edb67388 DG |
418 | if (ret < 0) { |
419 | if (ret == -EEXIST) { | |
420 | ret = LTTCOMM_UST_EVENT_EXIST; | |
7f79d3a1 | 421 | goto end; |
edb67388 DG |
422 | } else { |
423 | ret = LTTCOMM_UST_ENABLE_FAIL; | |
7f79d3a1 | 424 | goto error; |
edb67388 | 425 | } |
edb67388 | 426 | } |
edb67388 DG |
427 | break; |
428 | } | |
d78d6610 | 429 | #if 0 |
edb67388 DG |
430 | case LTTNG_DOMAIN_UST_EXEC_NAME: |
431 | case LTTNG_DOMAIN_UST_PID: | |
432 | case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN: | |
d78d6610 | 433 | #endif |
edb67388 | 434 | default: |
1ab1ea0b | 435 | ret = LTTCOMM_UND; |
7f79d3a1 | 436 | goto end; |
2bdd86d4 | 437 | } |
48842b30 | 438 | |
7f79d3a1 DG |
439 | if (to_create) { |
440 | rcu_read_lock(); | |
fc34caaa | 441 | /* Add ltt ust event to channel */ |
bec39940 | 442 | lttng_ht_add_unique_str(uchan->events, &uevent->node); |
7f79d3a1 DG |
443 | rcu_read_unlock(); |
444 | } | |
edb67388 | 445 | |
7f79d3a1 DG |
446 | DBG("Event UST %s %s in channel %s", uevent->attr.name, |
447 | to_create ? "created" : "enabled", uchan->name); | |
448 | ||
fc34caaa DG |
449 | ret = LTTCOMM_OK; |
450 | ||
fb89d070 | 451 | end: |
fc34caaa | 452 | return ret; |
edb67388 DG |
453 | |
454 | error: | |
fc34caaa DG |
455 | /* |
456 | * Only destroy event on creation time (not enabling time) because if the | |
457 | * event is found in the channel (to_create == 0), it means that at some | |
458 | * point the enable_event worked and it's thus valid to keep it alive. | |
459 | * Destroying it also implies that we also destroy it's shadow copy to sync | |
460 | * everyone up. | |
461 | */ | |
462 | if (to_create) { | |
463 | /* In this code path, the uevent was not added to the hash table */ | |
464 | trace_ust_destroy_event(uevent); | |
465 | } | |
2bdd86d4 MD |
466 | return ret; |
467 | } | |
468 | ||
7f79d3a1 DG |
469 | /* |
470 | * Disable UST tracepoint of a channel from a UST session. | |
471 | */ | |
472 | int event_ust_disable_tracepoint(struct ltt_ust_session *usess, int domain, | |
473 | struct ltt_ust_channel *uchan, char *event_name) | |
2bdd86d4 MD |
474 | { |
475 | int ret; | |
7f79d3a1 | 476 | struct ltt_ust_event *uevent; |
2bdd86d4 | 477 | |
7f79d3a1 DG |
478 | uevent = trace_ust_find_event_by_name(uchan->events, event_name); |
479 | if (uevent == NULL) { | |
480 | ret = LTTCOMM_UST_EVENT_NOT_FOUND; | |
481 | goto error; | |
2bdd86d4 | 482 | } |
7f79d3a1 DG |
483 | |
484 | if (uevent->enabled == 0) { | |
485 | /* It's already enabled so everything is OK */ | |
486 | ret = LTTCOMM_OK; | |
2bdd86d4 MD |
487 | goto end; |
488 | } | |
7f79d3a1 DG |
489 | |
490 | switch (domain) { | |
491 | case LTTNG_DOMAIN_UST: | |
492 | ret = ust_app_disable_event_glb(usess, uchan, uevent); | |
493 | if (ret < 0 && ret != -EEXIST) { | |
494 | ret = LTTCOMM_UST_DISABLE_FAIL; | |
495 | goto error; | |
496 | } | |
497 | break; | |
d78d6610 | 498 | #if 0 |
7f79d3a1 DG |
499 | case LTTNG_DOMAIN_UST_EXEC_NAME: |
500 | case LTTNG_DOMAIN_UST_PID: | |
501 | case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN: | |
d78d6610 | 502 | #endif |
7f79d3a1 | 503 | default: |
1ab1ea0b | 504 | ret = LTTCOMM_UND; |
7f79d3a1 DG |
505 | goto error; |
506 | } | |
507 | ||
508 | uevent->enabled = 0; | |
2bdd86d4 | 509 | ret = LTTCOMM_OK; |
7f79d3a1 | 510 | |
2bdd86d4 | 511 | end: |
7f79d3a1 DG |
512 | DBG2("Event UST %s disabled in channel %s", uevent->attr.name, |
513 | uchan->name); | |
514 | ||
515 | error: | |
516 | return ret; | |
517 | } | |
518 | ||
519 | /* | |
520 | * Disable all UST tracepoints for a channel from a UST session. | |
521 | */ | |
522 | int event_ust_disable_all_tracepoints(struct ltt_ust_session *usess, int domain, | |
523 | struct ltt_ust_channel *uchan) | |
524 | { | |
525 | int ret, i; | |
526 | size_t size; | |
bec39940 | 527 | struct lttng_ht_iter iter; |
7f79d3a1 DG |
528 | struct ltt_ust_event *uevent = NULL; |
529 | struct lttng_event *events = NULL; | |
530 | ||
531 | switch (domain) { | |
532 | case LTTNG_DOMAIN_UST: | |
533 | { | |
534 | /* Disabling existing events */ | |
bec39940 DG |
535 | cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent, |
536 | node.node) { | |
7f79d3a1 DG |
537 | if (uevent->enabled == 1) { |
538 | ret = ust_app_disable_event_glb(usess, uchan, uevent); | |
539 | if (ret < 0) { | |
540 | continue; | |
541 | } | |
542 | uevent->enabled = 0; | |
543 | } | |
544 | } | |
545 | ||
546 | /* Get all UST available events */ | |
547 | size = ust_app_list_events(&events); | |
548 | if (size < 0) { | |
549 | ret = LTTCOMM_UST_LIST_FAIL; | |
550 | goto error; | |
551 | } | |
552 | ||
553 | for (i = 0; i < size; i++) { | |
554 | uevent = trace_ust_find_event_by_name(uchan->events, | |
555 | events[i].name); | |
556 | if (uevent != NULL && uevent->enabled == 1) { | |
557 | ret = ust_app_disable_event_pid(usess, uchan, uevent, | |
558 | events[i].pid); | |
559 | if (ret < 0 && ret != -EEXIST) { | |
560 | ret = LTTCOMM_UST_DISABLE_FAIL; | |
561 | goto error; | |
562 | } | |
563 | uevent->enabled = 0; | |
564 | continue; | |
565 | } | |
566 | } | |
567 | ||
568 | free(events); | |
569 | break; | |
570 | } | |
d78d6610 | 571 | #if 0 |
7f79d3a1 DG |
572 | case LTTNG_DOMAIN_UST_EXEC_NAME: |
573 | case LTTNG_DOMAIN_UST_PID: | |
574 | case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN: | |
d78d6610 | 575 | #endif |
7f79d3a1 | 576 | default: |
1ab1ea0b | 577 | ret = LTTCOMM_UND; |
7f79d3a1 DG |
578 | goto error; |
579 | } | |
580 | ||
581 | return LTTCOMM_OK; | |
582 | ||
583 | error: | |
584 | free(events); | |
2bdd86d4 MD |
585 | return ret; |
586 | } |