2 * Copyright (C) 2021 Simon Marchi <simon.marchi@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
10 #include "../command.h"
12 #include "common/argpar/argpar.h"
13 #include "common/dynamic-array.h"
14 #include "common/mi-lttng.h"
15 /* For lttng_condition_type_str(). */
16 #include "lttng/condition/condition-internal.h"
17 #include "lttng/condition/on-event.h"
18 #include "lttng/condition/on-event-internal.h"
19 /* For lttng_domain_type_str(). */
20 #include "lttng/domain-internal.h"
21 #include "../loglevel.h"
22 #include <lttng/lttng.h>
24 #ifdef LTTNG_EMBED_HELP
25 static const char help_msg
[] =
26 #include <lttng-list-triggers.1.h>
36 struct argpar_opt_descr list_trigger_options
[] = {
37 { OPT_HELP
, 'h', "help", false },
38 { OPT_LIST_OPTIONS
, '\0', "list-options", false },
39 ARGPAR_OPT_DESCR_SENTINEL
,
43 * Returns the human-readable log level name associated with a numerical value
44 * if there is one. The Log4j and JUL domains have discontinuous log level
45 * values (a value can fall between two labels). In those cases, NULL is
48 static const char *get_pretty_loglevel_name(
49 enum lttng_domain_type domain
, int loglevel
)
51 const char *name
= NULL
;
54 case LTTNG_DOMAIN_UST
:
55 name
= loglevel_value_to_name(loglevel
);
57 case LTTNG_DOMAIN_LOG4J
:
58 name
= loglevel_log4j_value_to_name(loglevel
);
60 case LTTNG_DOMAIN_JUL
:
61 name
= loglevel_jul_value_to_name(loglevel
);
63 case LTTNG_DOMAIN_PYTHON
:
64 name
= loglevel_python_value_to_name(loglevel
);
74 void print_event_rule_tracepoint(const struct lttng_event_rule
*event_rule
)
76 enum lttng_event_rule_status event_rule_status
;
77 enum lttng_domain_type domain_type
;
81 const struct lttng_log_level_rule
*log_level_rule
= NULL
;
82 unsigned int exclusions_count
;
85 event_rule_status
= lttng_event_rule_tracepoint_get_pattern(
86 event_rule
, &pattern
);
87 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
);
89 event_rule_status
= lttng_event_rule_tracepoint_get_domain_type(
90 event_rule
, &domain_type
);
91 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
);
93 _MSG(" rule: %s (type: tracepoint, domain: %s", pattern
,
94 lttng_domain_type_str(domain_type
));
96 event_rule_status
= lttng_event_rule_tracepoint_get_filter(
98 if (event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
) {
99 _MSG(", filter: %s", filter
);
101 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_UNSET
);
104 event_rule_status
= lttng_event_rule_tracepoint_get_log_level_rule(
105 event_rule
, &log_level_rule
);
106 if (event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
) {
107 enum lttng_log_level_rule_status llr_status
;
108 const char *log_level_op
;
109 const char *pretty_loglevel_name
;
111 switch (lttng_log_level_rule_get_type(log_level_rule
)) {
112 case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY
:
114 llr_status
= lttng_log_level_rule_exactly_get_level(
115 log_level_rule
, &log_level
);
117 case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS
:
118 log_level_op
= "at least";
119 llr_status
= lttng_log_level_rule_at_least_as_severe_as_get_level(
120 log_level_rule
, &log_level
);
126 assert(llr_status
== LTTNG_LOG_LEVEL_RULE_STATUS_OK
);
128 pretty_loglevel_name
= get_pretty_loglevel_name(
129 domain_type
, log_level
);
130 if (pretty_loglevel_name
) {
131 _MSG(", log level %s %s", log_level_op
,
132 pretty_loglevel_name
);
134 _MSG(", log level %s %d", log_level_op
, log_level
);
137 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_UNSET
);
140 event_rule_status
= lttng_event_rule_tracepoint_get_exclusions_count(
141 event_rule
, &exclusions_count
);
142 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
);
143 if (exclusions_count
> 0) {
144 _MSG(", exclusions: ");
145 for (i
= 0; i
< exclusions_count
; i
++) {
146 const char *exclusion
;
148 event_rule_status
= lttng_event_rule_tracepoint_get_exclusion_at_index(
149 event_rule
, i
, &exclusion
);
150 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
);
152 _MSG("%s%s", i
> 0 ? "," : "", exclusion
);
159 static void print_kernel_probe_location(
160 const struct lttng_kernel_probe_location
*location
)
162 enum lttng_kernel_probe_location_status status
;
163 switch (lttng_kernel_probe_location_get_type(location
)) {
164 case LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS
:
168 status
= lttng_kernel_probe_location_address_get_address(
170 if (status
!= LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK
) {
171 ERR("Getting kernel probe location address failed.");
175 _MSG("0x%" PRIx64
, address
);
179 case LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET
:
182 const char *symbol_name
;
184 symbol_name
= lttng_kernel_probe_location_symbol_get_name(
187 ERR("Getting kernel probe location symbol name failed.");
191 status
= lttng_kernel_probe_location_symbol_get_offset(
193 if (status
!= LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK
) {
194 ERR("Getting kernel probe location address failed.");
199 _MSG("%s", symbol_name
);
201 _MSG("%s+0x%" PRIx64
, symbol_name
, offset
);
214 void print_event_rule_kernel_probe(const struct lttng_event_rule
*event_rule
)
216 enum lttng_event_rule_status event_rule_status
;
218 const struct lttng_kernel_probe_location
*location
;
220 assert(lttng_event_rule_get_type(event_rule
) == LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE
);
222 event_rule_status
= lttng_event_rule_kernel_probe_get_event_name(event_rule
, &name
);
223 if (event_rule_status
!= LTTNG_EVENT_RULE_STATUS_OK
) {
224 ERR("Failed to get kprobe event rule's name.");
228 event_rule_status
= lttng_event_rule_kernel_probe_get_location(
229 event_rule
, &location
);
230 if (event_rule_status
!= LTTNG_EVENT_RULE_STATUS_OK
) {
231 ERR("Failed to get kprobe event rule's location.");
235 _MSG(" rule: %s (type: probe, location: ", name
);
237 print_kernel_probe_location(location
);
246 void print_event_rule_userspace_probe(const struct lttng_event_rule
*event_rule
)
248 enum lttng_event_rule_status event_rule_status
;
250 const struct lttng_userspace_probe_location
*location
;
251 enum lttng_userspace_probe_location_type userspace_probe_location_type
;
253 assert(lttng_event_rule_get_type(event_rule
) == LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE
);
255 event_rule_status
= lttng_event_rule_userspace_probe_get_event_name(
257 if (event_rule_status
!= LTTNG_EVENT_RULE_STATUS_OK
) {
258 ERR("Failed to get uprobe event rule's name.");
262 event_rule_status
= lttng_event_rule_userspace_probe_get_location(
263 event_rule
, &location
);
264 if (event_rule_status
!= LTTNG_EVENT_RULE_STATUS_OK
) {
265 ERR("Failed to get uprobe event rule's location.");
269 _MSG(" rule: %s (type: userspace probe, location: ", name
);
271 userspace_probe_location_type
=
272 lttng_userspace_probe_location_get_type(location
);
274 switch (userspace_probe_location_type
) {
275 case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION
:
277 const char *binary_path
, *function_name
;
279 binary_path
= lttng_userspace_probe_location_function_get_binary_path(
281 function_name
= lttng_userspace_probe_location_function_get_function_name(
284 _MSG("%s:%s", binary_path
, function_name
);
287 case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT
:
288 _MSG("SDT not implemented yet");
301 void print_event_rule_syscall(const struct lttng_event_rule
*event_rule
)
303 const char *pattern
, *filter
;
304 enum lttng_event_rule_status event_rule_status
;
306 assert(lttng_event_rule_get_type(event_rule
) == LTTNG_EVENT_RULE_TYPE_SYSCALL
);
308 event_rule_status
= lttng_event_rule_syscall_get_pattern(
309 event_rule
, &pattern
);
310 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
);
312 _MSG(" rule: %s (type: syscall", pattern
);
314 event_rule_status
= lttng_event_rule_syscall_get_filter(
315 event_rule
, &filter
);
316 if (event_rule_status
== LTTNG_EVENT_RULE_STATUS_OK
) {
317 _MSG(", filter: %s", filter
);
319 assert(event_rule_status
== LTTNG_EVENT_RULE_STATUS_UNSET
);
326 void print_event_rule(const struct lttng_event_rule
*event_rule
)
328 const enum lttng_event_rule_type event_rule_type
=
329 lttng_event_rule_get_type(event_rule
);
331 switch (event_rule_type
) {
332 case LTTNG_EVENT_RULE_TYPE_TRACEPOINT
:
333 print_event_rule_tracepoint(event_rule
);
335 case LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE
:
336 print_event_rule_kernel_probe(event_rule
);
338 case LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE
:
339 print_event_rule_userspace_probe(event_rule
);
341 case LTTNG_EVENT_RULE_TYPE_SYSCALL
:
342 print_event_rule_syscall(event_rule
);
350 void print_one_event_expr(const struct lttng_event_expr
*event_expr
)
352 enum lttng_event_expr_type type
;
354 type
= lttng_event_expr_get_type(event_expr
);
357 case LTTNG_EVENT_EXPR_TYPE_EVENT_PAYLOAD_FIELD
:
361 name
= lttng_event_expr_event_payload_field_get_name(
367 case LTTNG_EVENT_EXPR_TYPE_CHANNEL_CONTEXT_FIELD
:
371 name
= lttng_event_expr_channel_context_field_get_name(
373 _MSG("$ctx.%s", name
);
377 case LTTNG_EVENT_EXPR_TYPE_APP_SPECIFIC_CONTEXT_FIELD
:
379 const char *provider_name
;
380 const char *type_name
;
382 provider_name
= lttng_event_expr_app_specific_context_field_get_provider_name(
384 type_name
= lttng_event_expr_app_specific_context_field_get_type_name(
387 _MSG("$app.%s:%s", provider_name
, type_name
);
391 case LTTNG_EVENT_EXPR_TYPE_ARRAY_FIELD_ELEMENT
:
394 const struct lttng_event_expr
*parent_expr
;
395 enum lttng_event_expr_status status
;
397 parent_expr
= lttng_event_expr_array_field_element_get_parent_expr(
399 assert(parent_expr
!= NULL
);
401 print_one_event_expr(parent_expr
);
403 status
= lttng_event_expr_array_field_element_get_index(
405 assert(status
== LTTNG_EVENT_EXPR_STATUS_OK
);
417 void print_condition_on_event(const struct lttng_condition
*condition
)
419 const struct lttng_event_rule
*event_rule
;
420 enum lttng_condition_status condition_status
;
421 unsigned int cap_desc_count
, i
;
424 lttng_condition_on_event_get_rule(condition
, &event_rule
);
425 assert(condition_status
== LTTNG_CONDITION_STATUS_OK
);
427 print_event_rule(event_rule
);
430 lttng_condition_on_event_get_capture_descriptor_count(
431 condition
, &cap_desc_count
);
432 assert(condition_status
== LTTNG_CONDITION_STATUS_OK
);
434 if (cap_desc_count
> 0) {
437 for (i
= 0; i
< cap_desc_count
; i
++) {
438 const struct lttng_event_expr
*cap_desc
=
439 lttng_condition_on_event_get_capture_descriptor_at_index(
443 print_one_event_expr(cap_desc
);
450 void print_action_errors(const struct lttng_trigger
*trigger
,
451 const struct lttng_action
*action
)
453 unsigned int i
, count
, printed_errors_count
= 0;
454 enum lttng_error_code error_query_ret
;
455 enum lttng_error_query_results_status results_status
;
456 struct lttng_error_query_results
*results
= NULL
;
457 const char *trigger_name
;
459 enum lttng_trigger_status trigger_status
;
460 struct lttng_error_query
*query
=
461 lttng_error_query_action_create(trigger
, action
);
465 trigger_status
= lttng_trigger_get_name(trigger
, &trigger_name
);
466 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
468 trigger_status
= lttng_trigger_get_owner_uid(trigger
, &trigger_uid
);
469 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
471 error_query_ret
= lttng_error_query_execute(
472 query
, lttng_session_daemon_command_endpoint
, &results
);
473 if (error_query_ret
!= LTTNG_OK
) {
474 ERR("Failed to query errors of trigger '%s' (owner uid: %d): %s",
475 trigger_name
, (int) trigger_uid
,
476 lttng_strerror(-error_query_ret
));
480 results_status
= lttng_error_query_results_get_count(results
, &count
);
481 assert(results_status
== LTTNG_ERROR_QUERY_RESULTS_STATUS_OK
);
485 for (i
= 0; i
< count
; i
++) {
486 const struct lttng_error_query_result
*result
;
487 enum lttng_error_query_result_status result_status
;
488 const char *result_name
;
489 const char *result_description
;
490 uint64_t result_value
;
492 results_status
= lttng_error_query_results_get_result(
493 results
, &result
, i
);
494 assert(results_status
== LTTNG_ERROR_QUERY_RESULTS_STATUS_OK
);
496 result_status
= lttng_error_query_result_get_name(
497 result
, &result_name
);
498 assert(result_status
== LTTNG_ERROR_QUERY_RESULT_STATUS_OK
);
499 result_status
= lttng_error_query_result_get_description(
500 result
, &result_description
);
501 assert(result_status
== LTTNG_ERROR_QUERY_RESULT_STATUS_OK
);
503 if (lttng_error_query_result_get_type(result
) ==
504 LTTNG_ERROR_QUERY_RESULT_TYPE_COUNTER
) {
505 result_status
= lttng_error_query_result_counter_get_value(
506 result
, &result_value
);
507 assert(result_status
==
508 LTTNG_ERROR_QUERY_RESULT_STATUS_OK
);
509 if (result_value
== 0) {
514 _MSG(" %s: %" PRIu64
, result_name
,
516 printed_errors_count
++;
518 _MSG(" Unknown error query result type for result '%s' (%s)",
519 result_name
, result_description
);
524 if (printed_errors_count
== 0) {
530 lttng_error_query_destroy(query
);
531 lttng_error_query_results_destroy(results
);
535 void print_one_action(const struct lttng_trigger
*trigger
,
536 const struct lttng_action
*action
)
538 enum lttng_action_type action_type
;
539 enum lttng_action_status action_status
;
540 const struct lttng_rate_policy
*policy
= NULL
;
543 action_type
= lttng_action_get_type(action
);
544 assert(action_type
!= LTTNG_ACTION_TYPE_GROUP
);
546 switch (action_type
) {
547 case LTTNG_ACTION_TYPE_NOTIFY
:
550 action_status
= lttng_action_notify_get_rate_policy(
552 if (action_status
!= LTTNG_ACTION_STATUS_OK
) {
553 ERR("Failed to retrieve rate policy.");
557 case LTTNG_ACTION_TYPE_START_SESSION
:
558 action_status
= lttng_action_start_session_get_session_name(
560 assert(action_status
== LTTNG_ACTION_STATUS_OK
);
561 _MSG("start session `%s`", value
);
563 action_status
= lttng_action_start_session_get_rate_policy(
565 if (action_status
!= LTTNG_ACTION_STATUS_OK
) {
566 ERR("Failed to retrieve rate policy.");
570 case LTTNG_ACTION_TYPE_STOP_SESSION
:
571 action_status
= lttng_action_stop_session_get_session_name(
573 assert(action_status
== LTTNG_ACTION_STATUS_OK
);
574 _MSG("stop session `%s`", value
);
576 action_status
= lttng_action_stop_session_get_rate_policy(
578 if (action_status
!= LTTNG_ACTION_STATUS_OK
) {
579 ERR("Failed to retrieve rate policy.");
583 case LTTNG_ACTION_TYPE_ROTATE_SESSION
:
584 action_status
= lttng_action_rotate_session_get_session_name(
586 assert(action_status
== LTTNG_ACTION_STATUS_OK
);
587 _MSG("rotate session `%s`", value
);
589 action_status
= lttng_action_rotate_session_get_rate_policy(
591 if (action_status
!= LTTNG_ACTION_STATUS_OK
) {
592 ERR("Failed to retrieve rate policy.");
596 case LTTNG_ACTION_TYPE_SNAPSHOT_SESSION
:
598 const struct lttng_snapshot_output
*output
;
600 action_status
= lttng_action_snapshot_session_get_session_name(
602 assert(action_status
== LTTNG_ACTION_STATUS_OK
);
603 _MSG("snapshot session `%s`", value
);
605 action_status
= lttng_action_snapshot_session_get_output(
607 if (action_status
== LTTNG_ACTION_STATUS_OK
) {
610 const char *ctrl_url
, *data_url
;
611 bool starts_with_file
, starts_with_net
, starts_with_net6
;
613 ctrl_url
= lttng_snapshot_output_get_ctrl_url(output
);
614 assert(ctrl_url
&& strlen(ctrl_url
) > 0);
616 data_url
= lttng_snapshot_output_get_data_url(output
);
619 starts_with_file
= strncmp(ctrl_url
, "file://", strlen("file://")) == 0;
620 starts_with_net
= strncmp(ctrl_url
, "net://", strlen("net://")) == 0;
621 starts_with_net6
= strncmp(ctrl_url
, "net6://", strlen("net6://")) == 0;
623 if (ctrl_url
[0] == '/' || starts_with_file
) {
624 if (starts_with_file
) {
625 ctrl_url
+= strlen("file://");
628 _MSG(", path: %s", ctrl_url
);
629 } else if (starts_with_net
|| starts_with_net6
) {
630 _MSG(", url: %s", ctrl_url
);
632 assert(strlen(data_url
) > 0);
634 _MSG(", control url: %s, data url: %s", ctrl_url
, data_url
);
637 name
= lttng_snapshot_output_get_name(output
);
639 if (strlen(name
) > 0) {
640 _MSG(", name: %s", name
);
643 max_size
= lttng_snapshot_output_get_maxsize(output
);
644 if (max_size
!= -1ULL) {
645 _MSG(", max size: %" PRIu64
, max_size
);
649 action_status
= lttng_action_snapshot_session_get_rate_policy(
651 if (action_status
!= LTTNG_ACTION_STATUS_OK
) {
652 ERR("Failed to retrieve rate policy.");
662 enum lttng_rate_policy_type policy_type
;
663 enum lttng_rate_policy_status policy_status
;
664 uint64_t policy_value
= 0;
666 policy_type
= lttng_rate_policy_get_type(policy
);
668 switch (policy_type
) {
669 case LTTNG_RATE_POLICY_TYPE_EVERY_N
:
670 policy_status
= lttng_rate_policy_every_n_get_interval(
671 policy
, &policy_value
);
672 if (policy_status
!= LTTNG_RATE_POLICY_STATUS_OK
) {
673 ERR("Failed to get action rate policy interval");
676 if (policy_value
> 1) {
677 /* The default is 1 so print only when it is a
680 _MSG(", rate policy: after every %" PRIu64
685 case LTTNG_RATE_POLICY_TYPE_ONCE_AFTER_N
:
686 policy_status
= lttng_rate_policy_once_after_n_get_threshold(
687 policy
, &policy_value
);
688 if (policy_status
!= LTTNG_RATE_POLICY_STATUS_OK
) {
689 ERR("Failed to get action rate policy interval");
692 _MSG(", rate policy: once after %" PRIu64
702 print_action_errors(trigger
, action
);
709 void print_trigger_errors(const struct lttng_trigger
*trigger
)
711 unsigned int i
, count
, printed_errors_count
= 0;
712 enum lttng_error_code error_query_ret
;
713 enum lttng_error_query_results_status results_status
;
714 struct lttng_error_query_results
*results
= NULL
;
715 enum lttng_trigger_status trigger_status
;
716 const char *trigger_name
;
718 struct lttng_error_query
*query
=
719 lttng_error_query_trigger_create(trigger
);
723 trigger_status
= lttng_trigger_get_name(trigger
, &trigger_name
);
724 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
726 trigger_status
= lttng_trigger_get_owner_uid(trigger
, &trigger_uid
);
727 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
729 error_query_ret
= lttng_error_query_execute(
730 query
, lttng_session_daemon_command_endpoint
, &results
);
731 if (error_query_ret
!= LTTNG_OK
) {
732 ERR("Failed to query errors of trigger '%s' (owner uid: %d): %s",
733 trigger_name
, (int) trigger_uid
,
734 lttng_strerror(-error_query_ret
));
738 results_status
= lttng_error_query_results_get_count(results
, &count
);
739 assert(results_status
== LTTNG_ERROR_QUERY_RESULTS_STATUS_OK
);
743 for (i
= 0; i
< count
; i
++) {
744 const struct lttng_error_query_result
*result
;
745 enum lttng_error_query_result_status result_status
;
746 const char *result_name
;
747 const char *result_description
;
748 uint64_t result_value
;
750 results_status
= lttng_error_query_results_get_result(
751 results
, &result
, i
);
752 assert(results_status
== LTTNG_ERROR_QUERY_RESULTS_STATUS_OK
);
754 result_status
= lttng_error_query_result_get_name(
755 result
, &result_name
);
756 assert(result_status
== LTTNG_ERROR_QUERY_RESULT_STATUS_OK
);
757 result_status
= lttng_error_query_result_get_description(
758 result
, &result_description
);
759 assert(result_status
== LTTNG_ERROR_QUERY_RESULT_STATUS_OK
);
761 if (lttng_error_query_result_get_type(result
) ==
762 LTTNG_ERROR_QUERY_RESULT_TYPE_COUNTER
) {
763 result_status
= lttng_error_query_result_counter_get_value(
764 result
, &result_value
);
765 assert(result_status
==
766 LTTNG_ERROR_QUERY_RESULT_STATUS_OK
);
767 if (result_value
== 0) {
772 _MSG(" %s: %" PRIu64
, result_name
,
774 printed_errors_count
++;
776 _MSG(" Unknown error query result type for result '%s' (%s)",
777 result_name
, result_description
);
782 if (printed_errors_count
== 0) {
788 lttng_error_query_destroy(query
);
789 lttng_error_query_results_destroy(results
);
793 void print_one_trigger(const struct lttng_trigger
*trigger
)
795 const struct lttng_condition
*condition
;
796 enum lttng_condition_type condition_type
;
797 const struct lttng_action
*action
;
798 enum lttng_action_type action_type
;
799 enum lttng_trigger_status trigger_status
;
803 trigger_status
= lttng_trigger_get_name(trigger
, &name
);
804 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
806 trigger_status
= lttng_trigger_get_owner_uid(trigger
, &trigger_uid
);
807 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
809 MSG("- id: %s", name
);
810 MSG(" user id: %d", trigger_uid
);
812 condition
= lttng_trigger_get_const_condition(trigger
);
813 condition_type
= lttng_condition_get_type(condition
);
814 MSG(" condition: %s", lttng_condition_type_str(condition_type
));
815 switch (condition_type
) {
816 case LTTNG_CONDITION_TYPE_ON_EVENT
:
817 print_condition_on_event(condition
);
820 MSG(" (condition type not handled in %s)", __func__
);
824 action
= lttng_trigger_get_const_action(trigger
);
825 action_type
= lttng_action_get_type(action
);
826 if (action_type
== LTTNG_ACTION_TYPE_GROUP
) {
827 unsigned int count
, i
;
828 enum lttng_action_status action_status
;
832 action_status
= lttng_action_group_get_count(action
, &count
);
833 assert(action_status
== LTTNG_ACTION_STATUS_OK
);
835 for (i
= 0; i
< count
; i
++) {
836 const struct lttng_action
*subaction
=
837 lttng_action_group_get_at_index(
841 print_one_action(trigger
, subaction
);
845 print_one_action(trigger
, action
);
848 print_trigger_errors(trigger
);
852 int compare_triggers_by_name(const void *a
, const void *b
)
854 const struct lttng_trigger
*trigger_a
= *((const struct lttng_trigger
**) a
);
855 const struct lttng_trigger
*trigger_b
= *((const struct lttng_trigger
**) b
);
856 const char *name_a
, *name_b
;
857 enum lttng_trigger_status trigger_status
;
859 trigger_status
= lttng_trigger_get_name(trigger_a
, &name_a
);
860 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
862 trigger_status
= lttng_trigger_get_name(trigger_b
, &name_b
);
863 assert(trigger_status
== LTTNG_TRIGGER_STATUS_OK
);
865 return strcmp(name_a
, name_b
);
868 int cmd_list_triggers(int argc
, const char **argv
)
871 struct argpar_parse_ret argpar_parse_ret
= {};
872 struct lttng_triggers
*triggers
= NULL
;
874 struct lttng_dynamic_pointer_array sorted_triggers
;
875 enum lttng_trigger_status trigger_status
;
876 unsigned int num_triggers
;
878 lttng_dynamic_pointer_array_init(&sorted_triggers
, NULL
);
880 argpar_parse_ret
= argpar_parse(
881 argc
- 1, argv
+ 1, list_trigger_options
, true);
882 if (!argpar_parse_ret
.items
) {
883 ERR("%s", argpar_parse_ret
.error
);
887 for (i
= 0; i
< argpar_parse_ret
.items
->n_items
; i
++) {
888 const struct argpar_item
*item
=
889 argpar_parse_ret
.items
->items
[i
];
891 if (item
->type
== ARGPAR_ITEM_TYPE_OPT
) {
892 const struct argpar_item_opt
*item_opt
=
893 (const struct argpar_item_opt
*) item
;
895 switch (item_opt
->descr
->id
) {
901 case OPT_LIST_OPTIONS
:
902 list_cmd_options_argpar(stdout
,
903 list_trigger_options
);
912 const struct argpar_item_non_opt
*item_non_opt
=
913 (const struct argpar_item_non_opt
*) item
;
915 ERR("Unexpected argument: %s", item_non_opt
->arg
);
919 ret
= lttng_list_triggers(&triggers
);
920 if (ret
!= LTTNG_OK
) {
921 ERR("Error listing triggers: %s.", lttng_strerror(-ret
));
925 trigger_status
= lttng_triggers_get_count(triggers
, &num_triggers
);
926 if (trigger_status
!= LTTNG_TRIGGER_STATUS_OK
) {
927 ERR("Failed to get trigger count.");
931 for (i
= 0; i
< num_triggers
; i
++) {
932 const int add_ret
= lttng_dynamic_pointer_array_add_pointer(
934 (void *) lttng_triggers_get_at_index(triggers
, i
));
937 ERR("Failed to allocate array of struct lttng_trigger *.");
942 qsort(sorted_triggers
.array
.buffer
.data
, num_triggers
,
943 sizeof(struct lttng_trigger
*),
944 compare_triggers_by_name
);
946 for (i
= 0; i
< num_triggers
; i
++) {
947 const struct lttng_trigger
*trigger_to_print
=
948 (const struct lttng_trigger
*)
949 lttng_dynamic_pointer_array_get_pointer(
950 &sorted_triggers
, i
);
952 print_one_trigger(trigger_to_print
);
962 argpar_parse_ret_fini(&argpar_parse_ret
);
963 lttng_triggers_destroy(triggers
);
964 lttng_dynamic_pointer_array_reset(&sorted_triggers
);