2 * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com>
3 * - Olivier Cotte <olivier.cotte@polymtl.ca>
4 * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License, version 2 only, as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc., 51
17 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include <common/config/session-config.h>
22 #include <common/defaults.h>
23 #include <lttng/snapshot-internal.h>
24 #include <lttng/channel.h>
29 #define MI_SCHEMA_MAJOR_VERSION 3
30 #define MI_SCHEMA_MINOR_VERSION 0
32 /* Machine interface namespace URI */
33 LTTNG_HIDDEN
const char * const mi_lttng_xmlns
= "xmlns";
34 LTTNG_HIDDEN
const char * const mi_lttng_xmlns_xsi
= "xmlns:xsi";
35 LTTNG_HIDDEN
const char * const mi_lttng_w3_schema_uri
= "http://www.w3.org/2001/XMLSchema-instance";
36 LTTNG_HIDDEN
const char * const mi_lttng_schema_location
= "xsi:schemaLocation";
37 LTTNG_HIDDEN
const char * const mi_lttng_schema_location_uri
=
38 DEFAULT_LTTNG_MI_NAMESPACE
" "
39 "http://lttng.org/xml/schemas/lttng-mi/" XSTR(MI_SCHEMA_MAJOR_VERSION
)
40 "/lttng-mi-" XSTR(MI_SCHEMA_MAJOR_VERSION
) "."
41 XSTR(MI_SCHEMA_MINOR_VERSION
) ".xsd";
42 LTTNG_HIDDEN
const char * const mi_lttng_schema_version
= "schemaVersion";
43 LTTNG_HIDDEN
const char * const mi_lttng_schema_version_value
= XSTR(MI_SCHEMA_MAJOR_VERSION
)
44 "." XSTR(MI_SCHEMA_MINOR_VERSION
);
46 /* Strings related to command */
47 const char * const mi_lttng_element_command
= "command";
48 const char * const mi_lttng_element_command_action
= "snapshot_action";
49 const char * const mi_lttng_element_command_add_context
= "add-context";
50 const char * const mi_lttng_element_command_create
= "create";
51 const char * const mi_lttng_element_command_destroy
= "destroy";
52 const char * const mi_lttng_element_command_disable_channel
= "disable-channel";
53 const char * const mi_lttng_element_command_disable_event
= "disable-event";
54 const char * const mi_lttng_element_command_enable_channels
= "enable-channel";
55 const char * const mi_lttng_element_command_enable_event
= "enable-event";
56 const char * const mi_lttng_element_command_list
= "list";
57 const char * const mi_lttng_element_command_load
= "load";
58 LTTNG_HIDDEN
const char * const mi_lttng_element_command_metadata
= "metadata";
59 LTTNG_HIDDEN
const char * const mi_lttng_element_command_metadata_action
= "metadata_action";
60 LTTNG_HIDDEN
const char * const mi_lttng_element_command_regenerate
= "regenerate";
61 LTTNG_HIDDEN
const char * const mi_lttng_element_command_regenerate_action
= "regenerate_action";
62 const char * const mi_lttng_element_command_name
= "name";
63 const char * const mi_lttng_element_command_output
= "output";
64 const char * const mi_lttng_element_command_save
= "save";
65 const char * const mi_lttng_element_command_set_session
= "set-session";
66 const char * const mi_lttng_element_command_snapshot
= "snapshot";
67 const char * const mi_lttng_element_command_snapshot_add
= "add_snapshot";
68 const char * const mi_lttng_element_command_snapshot_del
= "del_snapshot";
69 const char * const mi_lttng_element_command_snapshot_list
= "list_snapshot";
70 const char * const mi_lttng_element_command_snapshot_record
= "record_snapshot";
71 const char * const mi_lttng_element_command_start
= "start";
72 const char * const mi_lttng_element_command_stop
= "stop";
73 const char * const mi_lttng_element_command_success
= "success";
74 const char * const mi_lttng_element_command_track
= "track";
75 const char * const mi_lttng_element_command_untrack
= "untrack";
76 const char * const mi_lttng_element_command_version
= "version";
78 /* Strings related to version command */
79 const char * const mi_lttng_element_version
= "version";
80 const char * const mi_lttng_element_version_commit
= "commit";
81 const char * const mi_lttng_element_version_description
= "description";
82 const char * const mi_lttng_element_version_license
= "license";
83 const char * const mi_lttng_element_version_major
= "major";
84 const char * const mi_lttng_element_version_minor
= "minor";
85 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
86 const char * const mi_lttng_element_version_str
= "string";
87 const char * const mi_lttng_element_version_web
= "url";
89 /* String related to a lttng_event_field */
90 const char * const mi_lttng_element_event_field
= "event_field";
91 const char * const mi_lttng_element_event_fields
= "event_fields";
93 /* String related to lttng_event_perf_counter_ctx */
94 const char * const mi_lttng_element_perf_counter_context
= "perf";
96 /* Strings related to pid */
97 const char * const mi_lttng_element_pid_id
= "id";
99 /* Strings related to save command */
100 const char * const mi_lttng_element_save
= "save";
102 /* Strings related to load command */
103 const char * const mi_lttng_element_load
= "load";
104 LTTNG_HIDDEN
const char * const mi_lttng_element_load_overrides
= "overrides";
105 LTTNG_HIDDEN
const char * const mi_lttng_element_load_override_url
= "url";
107 /* General elements of mi_lttng */
108 const char * const mi_lttng_element_empty
= "";
109 const char * const mi_lttng_element_id
= "id";
110 const char * const mi_lttng_element_nowrite
= "nowrite";
111 const char * const mi_lttng_element_success
= "success";
112 const char * const mi_lttng_element_type_enum
= "ENUM";
113 const char * const mi_lttng_element_type_float
= "FLOAT";
114 const char * const mi_lttng_element_type_integer
= "INTEGER";
115 const char * const mi_lttng_element_type_other
= "OTHER";
116 const char * const mi_lttng_element_type_string
= "STRING";
118 /* String related to loglevel */
119 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
120 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
121 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
122 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
123 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
124 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
125 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
126 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
127 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
128 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
129 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
130 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
131 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
132 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
133 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
134 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
136 /* String related to loglevel JUL */
137 const char * const mi_lttng_loglevel_str_jul_all
= "JUL_ALL";
138 const char * const mi_lttng_loglevel_str_jul_config
= "JUL_CONFIG";
139 const char * const mi_lttng_loglevel_str_jul_fine
= "JUL_FINE";
140 const char * const mi_lttng_loglevel_str_jul_finer
= "JUL_FINER";
141 const char * const mi_lttng_loglevel_str_jul_finest
= "JUL_FINEST";
142 const char * const mi_lttng_loglevel_str_jul_info
= "JUL_INFO";
143 const char * const mi_lttng_loglevel_str_jul_off
= "JUL_OFF";
144 const char * const mi_lttng_loglevel_str_jul_severe
= "JUL_SEVERE";
145 const char * const mi_lttng_loglevel_str_jul_warning
= "JUL_WARNING";
147 /* String related to loglevel LOG4J */
148 const char * const mi_lttng_loglevel_str_log4j_off
= "LOG4J_OFF";
149 const char * const mi_lttng_loglevel_str_log4j_fatal
= "LOG4J_FATAL";
150 const char * const mi_lttng_loglevel_str_log4j_error
= "LOG4J_ERROR";
151 const char * const mi_lttng_loglevel_str_log4j_warn
= "LOG4J_WARN";
152 const char * const mi_lttng_loglevel_str_log4j_info
= "LOG4J_INFO";
153 const char * const mi_lttng_loglevel_str_log4j_debug
= "LOG4J_DEBUG";
154 const char * const mi_lttng_loglevel_str_log4j_trace
= "LOG4J_TRACE";
155 const char * const mi_lttng_loglevel_str_log4j_all
= "LOG4J_ALL";
157 /* String related to loglevel Python */
158 const char * const mi_lttng_loglevel_str_python_critical
= "PYTHON_CRITICAL";
159 const char * const mi_lttng_loglevel_str_python_error
= "PYTHON_ERROR";
160 const char * const mi_lttng_loglevel_str_python_warning
= "PYTHON_WARNING";
161 const char * const mi_lttng_loglevel_str_python_info
= "PYTHON_INFO";
162 const char * const mi_lttng_loglevel_str_python_debug
= "PYTHON_DEBUG";
163 const char * const mi_lttng_loglevel_str_python_notset
= "PYTHON_NOTSET";
165 /* String related to loglevel type */
166 const char * const mi_lttng_loglevel_type_all
= "ALL";
167 const char * const mi_lttng_loglevel_type_range
= "RANGE";
168 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
169 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
171 /* String related to a lttng_snapshot_output */
172 const char * const mi_lttng_element_snapshot_ctrl_url
= "ctrl_url";
173 const char * const mi_lttng_element_snapshot_data_url
= "data_url";
174 const char * const mi_lttng_element_snapshot_max_size
= "max_size";
175 const char * const mi_lttng_element_snapshot_n_ptr
= "n_ptr";
176 const char * const mi_lttng_element_snapshot_session_name
= "session_name";
177 const char * const mi_lttng_element_snapshots
= "snapshots";
179 /* String related to track/untrack command */
180 const char * const mi_lttng_element_track_untrack_all_wildcard
= "*";
182 /* Deprecated symbols preserved for ABI compatibility. */
183 const char * const mi_lttng_context_type_perf_counter
;
184 const char * const mi_lttng_context_type_perf_cpu_counter
;
185 const char * const mi_lttng_context_type_perf_thread_counter
;
186 const char * const mi_lttng_element_track_untrack_pid_target
;
187 const char * const mi_lttng_element_track_untrack_targets
;
188 const char * const mi_lttng_element_calibrate
;
189 const char * const mi_lttng_element_calibrate_function
;
190 const char * const mi_lttng_element_command_calibrate
;
192 /* This is a merge of jul loglevel and regular loglevel
193 * Those should never overlap by definition
194 * (see struct lttng_event loglevel)
197 const char *mi_lttng_loglevel_string(int value
, enum lttng_domain_type domain
)
200 case LTTNG_DOMAIN_KERNEL
:
201 case LTTNG_DOMAIN_UST
:
204 return mi_lttng_element_empty
;
205 case LTTNG_LOGLEVEL_EMERG
:
206 return mi_lttng_loglevel_str_emerg
;
207 case LTTNG_LOGLEVEL_ALERT
:
208 return mi_lttng_loglevel_str_alert
;
209 case LTTNG_LOGLEVEL_CRIT
:
210 return mi_lttng_loglevel_str_crit
;
211 case LTTNG_LOGLEVEL_ERR
:
212 return mi_lttng_loglevel_str_err
;
213 case LTTNG_LOGLEVEL_WARNING
:
214 return mi_lttng_loglevel_str_warning
;
215 case LTTNG_LOGLEVEL_NOTICE
:
216 return mi_lttng_loglevel_str_notice
;
217 case LTTNG_LOGLEVEL_INFO
:
218 return mi_lttng_loglevel_str_info
;
219 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
220 return mi_lttng_loglevel_str_debug_system
;
221 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
222 return mi_lttng_loglevel_str_debug_program
;
223 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
224 return mi_lttng_loglevel_str_debug_process
;
225 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
226 return mi_lttng_loglevel_str_debug_module
;
227 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
228 return mi_lttng_loglevel_str_debug_unit
;
229 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
230 return mi_lttng_loglevel_str_debug_function
;
231 case LTTNG_LOGLEVEL_DEBUG_LINE
:
232 return mi_lttng_loglevel_str_debug_line
;
233 case LTTNG_LOGLEVEL_DEBUG
:
234 return mi_lttng_loglevel_str_debug
;
236 return mi_lttng_loglevel_str_unknown
;
239 case LTTNG_DOMAIN_LOG4J
:
242 return mi_lttng_element_empty
;
243 case LTTNG_LOGLEVEL_LOG4J_OFF
:
244 return mi_lttng_loglevel_str_log4j_off
;
245 case LTTNG_LOGLEVEL_LOG4J_FATAL
:
246 return mi_lttng_loglevel_str_log4j_fatal
;
247 case LTTNG_LOGLEVEL_LOG4J_ERROR
:
248 return mi_lttng_loglevel_str_log4j_error
;
249 case LTTNG_LOGLEVEL_LOG4J_WARN
:
250 return mi_lttng_loglevel_str_log4j_warn
;
251 case LTTNG_LOGLEVEL_LOG4J_INFO
:
252 return mi_lttng_loglevel_str_log4j_info
;
253 case LTTNG_LOGLEVEL_LOG4J_DEBUG
:
254 return mi_lttng_loglevel_str_log4j_debug
;
255 case LTTNG_LOGLEVEL_LOG4J_TRACE
:
256 return mi_lttng_loglevel_str_log4j_trace
;
257 case LTTNG_LOGLEVEL_LOG4J_ALL
:
258 return mi_lttng_loglevel_str_log4j_all
;
260 return mi_lttng_loglevel_str_unknown
;
263 case LTTNG_DOMAIN_JUL
:
266 return mi_lttng_element_empty
;
267 case LTTNG_LOGLEVEL_JUL_OFF
:
268 return mi_lttng_loglevel_str_jul_off
;
269 case LTTNG_LOGLEVEL_JUL_SEVERE
:
270 return mi_lttng_loglevel_str_jul_severe
;
271 case LTTNG_LOGLEVEL_JUL_WARNING
:
272 return mi_lttng_loglevel_str_jul_warning
;
273 case LTTNG_LOGLEVEL_JUL_INFO
:
274 return mi_lttng_loglevel_str_jul_info
;
275 case LTTNG_LOGLEVEL_JUL_CONFIG
:
276 return mi_lttng_loglevel_str_jul_config
;
277 case LTTNG_LOGLEVEL_JUL_FINE
:
278 return mi_lttng_loglevel_str_jul_fine
;
279 case LTTNG_LOGLEVEL_JUL_FINER
:
280 return mi_lttng_loglevel_str_jul_finer
;
281 case LTTNG_LOGLEVEL_JUL_FINEST
:
282 return mi_lttng_loglevel_str_jul_finest
;
283 case LTTNG_LOGLEVEL_JUL_ALL
:
284 return mi_lttng_loglevel_str_jul_all
;
286 return mi_lttng_loglevel_str_unknown
;
289 case LTTNG_DOMAIN_PYTHON
:
291 case LTTNG_LOGLEVEL_PYTHON_CRITICAL
:
292 return mi_lttng_loglevel_str_python_critical
;
293 case LTTNG_LOGLEVEL_PYTHON_ERROR
:
294 return mi_lttng_loglevel_str_python_error
;
295 case LTTNG_LOGLEVEL_PYTHON_WARNING
:
296 return mi_lttng_loglevel_str_python_warning
;
297 case LTTNG_LOGLEVEL_PYTHON_INFO
:
298 return mi_lttng_loglevel_str_python_info
;
299 case LTTNG_LOGLEVEL_PYTHON_DEBUG
:
300 return mi_lttng_loglevel_str_python_debug
;
301 case LTTNG_LOGLEVEL_PYTHON_NOTSET
:
302 return mi_lttng_loglevel_str_python_notset
;
304 return mi_lttng_loglevel_str_unknown
;
308 return mi_lttng_loglevel_str_unknown
;
313 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
316 case LTTNG_EVENT_LOGLEVEL_ALL
:
317 return mi_lttng_loglevel_type_all
;
318 case LTTNG_EVENT_LOGLEVEL_RANGE
:
319 return mi_lttng_loglevel_type_range
;
320 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
321 return mi_lttng_loglevel_type_single
;
323 return mi_lttng_loglevel_type_unknown
;
328 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
331 case LTTNG_EVENT_ALL
:
332 return config_event_type_all
;
333 case LTTNG_EVENT_TRACEPOINT
:
334 return config_event_type_tracepoint
;
335 case LTTNG_EVENT_PROBE
:
336 return config_event_type_probe
;
337 case LTTNG_EVENT_FUNCTION
:
338 return config_event_type_function
;
339 case LTTNG_EVENT_FUNCTION_ENTRY
:
340 return config_event_type_function_entry
;
341 case LTTNG_EVENT_SYSCALL
:
342 return config_event_type_syscall
;
343 case LTTNG_EVENT_NOOP
:
344 return config_event_type_noop
;
346 return mi_lttng_element_empty
;
351 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
354 case LTTNG_EVENT_CONTEXT_PID
:
355 return config_event_context_pid
;
356 case LTTNG_EVENT_CONTEXT_PROCNAME
:
357 return config_event_context_procname
;
358 case LTTNG_EVENT_CONTEXT_PRIO
:
359 return config_event_context_prio
;
360 case LTTNG_EVENT_CONTEXT_NICE
:
361 return config_event_context_nice
;
362 case LTTNG_EVENT_CONTEXT_VPID
:
363 return config_event_context_vpid
;
364 case LTTNG_EVENT_CONTEXT_TID
:
365 return config_event_context_tid
;
366 case LTTNG_EVENT_CONTEXT_VTID
:
367 return config_event_context_vtid
;
368 case LTTNG_EVENT_CONTEXT_PPID
:
369 return config_event_context_ppid
;
370 case LTTNG_EVENT_CONTEXT_VPPID
:
371 return config_event_context_vppid
;
372 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
373 return config_event_context_pthread_id
;
374 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
375 return config_event_context_hostname
;
376 case LTTNG_EVENT_CONTEXT_IP
:
377 return config_event_context_ip
;
378 case LTTNG_EVENT_CONTEXT_INTERRUPTIBLE
:
379 return config_event_context_interruptible
;
380 case LTTNG_EVENT_CONTEXT_PREEMPTIBLE
:
381 return config_event_context_preemptible
;
382 case LTTNG_EVENT_CONTEXT_NEED_RESCHEDULE
:
383 return config_event_context_need_reschedule
;
384 case LTTNG_EVENT_CONTEXT_MIGRATABLE
:
385 return config_event_context_migratable
;
392 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
395 case(LTTNG_EVENT_FIELD_INTEGER
):
396 return mi_lttng_element_type_integer
;
397 case(LTTNG_EVENT_FIELD_ENUM
):
398 return mi_lttng_element_type_enum
;
399 case(LTTNG_EVENT_FIELD_FLOAT
):
400 return mi_lttng_element_type_float
;
401 case(LTTNG_EVENT_FIELD_STRING
):
402 return mi_lttng_element_type_string
;
404 return mi_lttng_element_type_other
;
409 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
411 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
413 case LTTNG_DOMAIN_KERNEL
:
414 return config_domain_type_kernel
;
415 case LTTNG_DOMAIN_UST
:
416 return config_domain_type_ust
;
417 case LTTNG_DOMAIN_JUL
:
418 return config_domain_type_jul
;
419 case LTTNG_DOMAIN_LOG4J
:
420 return config_domain_type_log4j
;
421 case LTTNG_DOMAIN_PYTHON
:
422 return config_domain_type_python
;
424 /* Should not have an unknown domain */
431 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
434 case LTTNG_BUFFER_PER_PID
:
435 return config_buffer_type_per_pid
;
436 case LTTNG_BUFFER_PER_UID
:
437 return config_buffer_type_per_uid
;
438 case LTTNG_BUFFER_GLOBAL
:
439 return config_buffer_type_global
;
441 /* Should not have an unknow buffer type */
448 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
450 struct mi_writer
*mi_writer
;
452 mi_writer
= zmalloc(sizeof(struct mi_writer
));
454 PERROR("zmalloc mi_writer_create");
457 if (mi_output_type
== LTTNG_MI_XML
) {
458 mi_writer
->writer
= config_writer_create(fd_output
, 0);
459 if (!mi_writer
->writer
) {
462 mi_writer
->type
= LTTNG_MI_XML
;
476 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
485 ret
= config_writer_destroy(writer
->writer
);
496 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
501 * A command is always the MI's root node, it must declare the current
502 * namespace and schema URIs and the schema's version.
504 ret
= config_writer_open_element(writer
->writer
,
505 mi_lttng_element_command
);
510 ret
= config_writer_write_attribute(writer
->writer
,
511 mi_lttng_xmlns
, DEFAULT_LTTNG_MI_NAMESPACE
);
516 ret
= config_writer_write_attribute(writer
->writer
,
517 mi_lttng_xmlns_xsi
, mi_lttng_w3_schema_uri
);
522 ret
= config_writer_write_attribute(writer
->writer
,
523 mi_lttng_schema_location
,
524 mi_lttng_schema_location_uri
);
529 ret
= config_writer_write_attribute(writer
->writer
,
530 mi_lttng_schema_version
,
531 mi_lttng_schema_version_value
);
536 ret
= mi_lttng_writer_write_element_string(writer
,
537 mi_lttng_element_command_name
, command
);
543 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
545 return mi_lttng_writer_close_element(writer
);
549 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
550 const char *element_name
)
552 return config_writer_open_element(writer
->writer
, element_name
);
556 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
558 return config_writer_close_element(writer
->writer
);
562 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
563 unsigned int nb_element
)
567 if (nb_element
< 1) {
571 for (i
= 0; i
< nb_element
; i
++) {
572 ret
= mi_lttng_writer_close_element(writer
);
582 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
583 const char *element_name
, uint64_t value
)
585 return config_writer_write_element_unsigned_int(writer
->writer
,
586 element_name
, value
);
590 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
591 const char *element_name
, int64_t value
)
593 return config_writer_write_element_signed_int(writer
->writer
,
594 element_name
, value
);
598 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
599 const char *element_name
, int value
)
601 return config_writer_write_element_bool(writer
->writer
,
602 element_name
, value
);
606 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
607 const char *element_name
, const char *value
)
609 return config_writer_write_element_string(writer
->writer
,
610 element_name
, value
);
614 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
615 const char *lttng_description
, const char *lttng_license
)
620 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
625 /* Version string (contain info like rc etc.) */
626 ret
= mi_lttng_writer_write_element_string(writer
,
627 mi_lttng_element_version_str
, version
->version
);
632 /* Major version number */
633 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
634 mi_lttng_element_version_major
, version
->version_major
);
639 /* Minor version number */
640 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
641 mi_lttng_element_version_minor
, version
->version_minor
);
646 /* Commit version number */
647 ret
= mi_lttng_writer_write_element_string(writer
,
648 mi_lttng_element_version_commit
, version
->version_commit
);
654 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
655 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
660 /* Name of the version */
661 ret
= mi_lttng_writer_write_element_string(writer
,
662 config_element_name
, version
->version_name
);
667 /* Description mostly related to beer... */
668 ret
= mi_lttng_writer_write_element_string(writer
,
669 mi_lttng_element_version_description
, lttng_description
);
675 ret
= mi_lttng_writer_write_element_string(writer
,
676 mi_lttng_element_version_web
, version
->package_url
);
681 /* License: free as in free beer...no...*speech* */
682 ret
= mi_lttng_writer_write_element_string(writer
,
683 mi_lttng_element_version_license
, lttng_license
);
688 /* Close version element */
689 ret
= mi_lttng_writer_close_element(writer
);
696 int mi_lttng_sessions_open(struct mi_writer
*writer
)
698 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
702 int mi_lttng_session(struct mi_writer
*writer
,
703 struct lttng_session
*session
, int is_open
)
709 /* Open sessions element */
710 ret
= mi_lttng_writer_open_element(writer
,
711 config_element_session
);
716 /* Name of the session */
717 ret
= mi_lttng_writer_write_element_string(writer
,
718 config_element_name
, session
->name
);
724 ret
= mi_lttng_writer_write_element_string(writer
,
725 config_element_path
, session
->path
);
731 ret
= mi_lttng_writer_write_element_bool(writer
,
732 config_element_enabled
, session
->enabled
);
738 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
739 config_element_snapshot_mode
, session
->snapshot_mode
);
744 /* Live timer interval in usec */
745 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
746 config_element_live_timer_interval
,
747 session
->live_timer_interval
);
753 /* Closing session element */
754 ret
= mi_lttng_writer_close_element(writer
);
762 int mi_lttng_domains_open(struct mi_writer
*writer
)
764 return mi_lttng_writer_open_element(writer
, config_element_domains
);
768 int mi_lttng_domain(struct mi_writer
*writer
,
769 struct lttng_domain
*domain
, int is_open
)
772 const char *str_domain
;
773 const char *str_buffer
;
777 /* Open domain element */
778 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
784 str_domain
= mi_lttng_domaintype_string(domain
->type
);
785 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
792 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
793 ret
= mi_lttng_writer_write_element_string(writer
,
794 config_element_buffer_type
, str_buffer
);
800 * This union is not currently used and was added for
801 * future ust domain support.
806 /* Closing domain element */
807 ret
= mi_lttng_writer_close_element(writer
);
816 int mi_lttng_channels_open(struct mi_writer
*writer
)
818 return mi_lttng_writer_open_element(writer
, config_element_channels
);
822 int mi_lttng_channel(struct mi_writer
*writer
,
823 struct lttng_channel
*channel
, int is_open
)
829 /* Opening channel element */
830 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
836 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
843 ret
= mi_lttng_writer_write_element_bool(writer
,
844 config_element_enabled
, channel
->enabled
);
850 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
856 /* Closing channel element */
857 ret
= mi_lttng_writer_close_element(writer
);
867 int mi_lttng_channel_attr(struct mi_writer
*writer
,
868 struct lttng_channel_attr
*attr
)
871 struct lttng_channel
*chan
= caa_container_of(attr
,
872 struct lttng_channel
, attr
);
873 uint64_t discarded_events
, lost_packets
, monitor_timer_interval
;
874 int64_t blocking_timeout
;
878 ret
= lttng_channel_get_discarded_event_count(chan
, &discarded_events
);
883 ret
= lttng_channel_get_lost_packet_count(chan
, &lost_packets
);
888 ret
= lttng_channel_get_monitor_timer_interval(chan
,
889 &monitor_timer_interval
);
894 ret
= lttng_channel_get_blocking_timeout(chan
,
900 /* Opening Attributes */
901 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
907 ret
= mi_lttng_writer_write_element_string(writer
,
908 config_element_overwrite_mode
,
909 attr
->overwrite
? config_overwrite_mode_overwrite
:
910 config_overwrite_mode_discard
);
915 /* Sub buffer size in byte */
916 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
917 config_element_subbuf_size
, attr
->subbuf_size
);
922 /* Number of subbuffer (power of two) */
923 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
924 config_element_num_subbuf
,
930 /* Switch timer interval in usec */
931 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
932 config_element_switch_timer_interval
,
933 attr
->switch_timer_interval
);
938 /* Read timer interval in usec */
939 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
940 config_element_read_timer_interval
,
941 attr
->read_timer_interval
);
946 /* Monitor timer interval in usec */
947 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
948 config_element_monitor_timer_interval
,
949 monitor_timer_interval
);
954 /* Retry timeout in usec */
955 ret
= mi_lttng_writer_write_element_signed_int(writer
,
956 config_element_blocking_timeout
,
963 ret
= mi_lttng_writer_write_element_string(writer
,
964 config_element_output_type
,
965 attr
->output
== LTTNG_EVENT_SPLICE
?
966 config_output_type_splice
: config_output_type_mmap
);
971 /* Tracefile size in bytes */
972 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
973 config_element_tracefile_size
, attr
->tracefile_size
);
978 /* Count of tracefiles */
979 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
980 config_element_tracefile_count
,
981 attr
->tracefile_count
);
986 /* Live timer interval in usec*/
987 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
988 config_element_live_timer_interval
,
989 attr
->live_timer_interval
);
994 /* Discarded events */
995 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
996 config_element_discarded_events
,
1003 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1004 config_element_lost_packets
,
1010 /* Closing attributes */
1011 ret
= mi_lttng_writer_close_element(writer
);
1021 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
1022 struct lttng_event
*event
)
1025 const char *filter_expression
;
1027 /* Open event element */
1028 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
1034 ret
= mi_lttng_writer_write_element_string(writer
,
1035 config_element_name
, event
->name
);
1041 ret
= mi_lttng_writer_write_element_string(writer
,
1042 config_element_type
, mi_lttng_eventtype_string(event
->type
));
1047 /* Is event enabled */
1048 ret
= mi_lttng_writer_write_element_bool(writer
,
1049 config_element_enabled
, event
->enabled
);
1054 /* Event filter expression */
1055 ret
= lttng_event_get_filter_expression(event
, &filter_expression
);
1060 if (filter_expression
) {
1061 ret
= mi_lttng_writer_write_element_string(writer
,
1062 config_element_filter_expression
,
1073 static int write_event_exclusions(struct mi_writer
*writer
,
1074 struct lttng_event
*event
)
1078 int exclusion_count
;
1080 /* Open event exclusions */
1081 ret
= mi_lttng_writer_open_element(writer
, config_element_exclusions
);
1086 exclusion_count
= lttng_event_get_exclusion_name_count(event
);
1087 if (exclusion_count
< 0) {
1088 ret
= exclusion_count
;
1092 for (i
= 0; i
< exclusion_count
; i
++) {
1095 ret
= lttng_event_get_exclusion_name(event
, i
, &name
);
1097 /* Close exclusions */
1098 mi_lttng_writer_close_element(writer
);
1102 ret
= mi_lttng_writer_write_element_string(writer
,
1103 config_element_exclusion
, name
);
1105 /* Close exclusions */
1106 mi_lttng_writer_close_element(writer
);
1111 /* Close exclusions */
1112 ret
= mi_lttng_writer_close_element(writer
);
1119 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
1120 struct lttng_event
*event
, enum lttng_domain_type domain
)
1124 /* Event loglevel */
1125 ret
= mi_lttng_writer_write_element_string(writer
,
1126 config_element_loglevel
,
1127 mi_lttng_loglevel_string(event
->loglevel
, domain
));
1132 /* Log level type */
1133 ret
= mi_lttng_writer_write_element_string(writer
,
1134 config_element_loglevel_type
,
1135 mi_lttng_logleveltype_string(event
->loglevel_type
));
1140 /* Event exclusions */
1141 ret
= write_event_exclusions(writer
, event
);
1148 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
1149 struct lttng_event
*event
)
1151 /* event exclusion filter */
1152 return write_event_exclusions(writer
, event
);
1156 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
1157 struct lttng_event
*event
)
1161 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1166 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1171 if (event
->attr
.probe
.addr
!= 0) {
1172 /* event probe address */
1173 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1174 config_element_address
, event
->attr
.probe
.addr
);
1179 /* event probe offset */
1180 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1181 config_element_offset
, event
->attr
.probe
.offset
);
1186 /* event probe symbol_name */
1187 ret
= mi_lttng_writer_write_element_string(writer
,
1188 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
1194 /* Close probe_attributes and attributes */
1195 ret
= mi_lttng_close_multi_element(writer
, 2);
1201 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
1202 struct lttng_event
*event
)
1206 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1211 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1216 /* event probe symbol_name */
1217 ret
= mi_lttng_writer_write_element_string(writer
,
1218 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
1223 /* Close function_attributes and attributes */
1224 ret
= mi_lttng_close_multi_element(writer
, 2);
1230 int mi_lttng_events_open(struct mi_writer
*writer
)
1232 return mi_lttng_writer_open_element(writer
, config_element_events
);
1236 int mi_lttng_event(struct mi_writer
*writer
,
1237 struct lttng_event
*event
, int is_open
, enum lttng_domain_type domain
)
1241 ret
= mi_lttng_event_common_attributes(writer
, event
);
1246 switch (event
->type
) {
1247 case LTTNG_EVENT_TRACEPOINT
:
1249 if (event
->loglevel
!= -1) {
1250 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
, domain
);
1252 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
1256 case LTTNG_EVENT_FUNCTION
:
1258 case LTTNG_EVENT_PROBE
:
1259 ret
= mi_lttng_event_function_probe(writer
, event
);
1261 case LTTNG_EVENT_FUNCTION_ENTRY
:
1262 ret
= mi_lttng_event_function_entry(writer
, event
);
1264 case LTTNG_EVENT_ALL
:
1271 ret
= mi_lttng_writer_close_element(writer
);
1279 int mi_lttng_trackers_open(struct mi_writer
*writer
)
1281 return mi_lttng_writer_open_element(writer
, config_element_trackers
);
1285 int mi_lttng_pid_tracker_open(struct mi_writer
*writer
)
1289 /* Open element pid_tracker */
1290 ret
= mi_lttng_writer_open_element(writer
, config_element_pid_tracker
);
1295 /* Open targets element */
1296 ret
= mi_lttng_targets_open(writer
);
1302 int mi_lttng_pids_open(struct mi_writer
*writer
)
1304 return mi_lttng_writer_open_element(writer
, config_element_pids
);
1308 * TODO: move the listing of pid for user agent to process semantic on
1309 * mi api bump. The use of process element break the mi api.
1312 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *name
,
1317 /* Open pid process */
1318 ret
= mi_lttng_writer_open_element(writer
, config_element_pid
);
1323 /* Writing pid number */
1324 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1325 mi_lttng_element_pid_id
, (int)pid
);
1330 /* Writing name of the process */
1332 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1341 ret
= mi_lttng_writer_close_element(writer
);
1349 int mi_lttng_targets_open(struct mi_writer
*writer
)
1351 return mi_lttng_writer_open_element(writer
,
1352 config_element_targets
);
1356 int mi_lttng_pid_target(struct mi_writer
*writer
, pid_t pid
, int is_open
)
1360 ret
= mi_lttng_writer_open_element(writer
,
1361 config_element_target_pid
);
1366 /* Writing pid number
1367 * Special case for element all on track untrack command
1368 * All pid is represented as wildcard *
1370 if ((int) pid
== -1) {
1371 ret
= mi_lttng_writer_write_element_string(writer
,
1373 mi_lttng_element_track_untrack_all_wildcard
);
1375 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1376 config_element_pid
, (int) pid
);
1383 ret
= mi_lttng_writer_close_element(writer
);
1394 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1396 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1400 int mi_lttng_event_field(struct mi_writer
*writer
,
1401 struct lttng_event_field
*field
)
1405 if (!field
->field_name
[0]) {
1411 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1416 if (!field
->field_name
[0]) {
1421 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1428 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1429 mi_lttng_eventfieldtype_string(field
->type
));
1435 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1436 mi_lttng_element_nowrite
, field
->nowrite
);
1442 /* Close field element */
1443 ret
= mi_lttng_writer_close_element(writer
);
1450 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1451 struct lttng_event_perf_counter_ctx
*perf_context
)
1455 /* Open perf_counter_context */
1456 ret
= mi_lttng_writer_open_element(writer
,
1457 mi_lttng_element_perf_counter_context
);
1463 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1464 config_element_type
, perf_context
->type
);
1470 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1471 config_element_config
, perf_context
->config
);
1476 /* Name of the perf counter */
1477 ret
= mi_lttng_writer_write_element_string(writer
,
1478 config_element_name
, perf_context
->name
);
1483 /* Close perf_counter_context */
1484 ret
= mi_lttng_writer_close_element(writer
);
1490 int mi_lttng_app_context(struct mi_writer
*writer
,
1491 const char *provider_name
, const char *ctx_name
)
1496 ret
= mi_lttng_writer_open_element(writer
,
1497 config_element_context_app
);
1503 ret
= mi_lttng_writer_write_element_string(writer
,
1504 config_element_context_app_provider_name
,
1511 ret
= mi_lttng_writer_write_element_string(writer
,
1512 config_element_context_app_ctx_name
, ctx_name
);
1518 ret
= mi_lttng_writer_close_element(writer
);
1524 int mi_lttng_context(struct mi_writer
*writer
,
1525 struct lttng_event_context
*context
, int is_open
)
1530 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1535 /* Special case for PERF_*_COUNTER
1536 * print the lttng_event_perf_counter_ctx*/
1537 switch (context
->ctx
) {
1538 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1539 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1540 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1542 struct lttng_event_perf_counter_ctx
*perf_context
=
1543 &context
->u
.perf_counter
;
1544 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1550 case LTTNG_EVENT_CONTEXT_APP_CONTEXT
:
1552 ret
= mi_lttng_app_context(writer
,
1553 context
->u
.app_ctx
.provider_name
,
1554 context
->u
.app_ctx
.ctx_name
);
1562 const char *type_string
= mi_lttng_event_contexttype_string(
1565 ret
= -LTTNG_ERR_INVALID
;
1569 /* Print context type */
1570 ret
= mi_lttng_writer_write_element_string(writer
,
1571 config_element_type
, type_string
);
1578 ret
= mi_lttng_writer_close_element(writer
);
1586 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1587 const char *session_name
)
1591 /* Open session element */
1592 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
1597 /* Snapshot output list for current session name */
1598 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1604 /* Open element snapshots (sequence one snapshot) */
1605 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
1615 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
1616 struct lttng_snapshot_output
*output
)
1620 /* Open element snapshot output */
1621 ret
= mi_lttng_writer_open_element(writer
,
1622 mi_lttng_element_command_snapshot
);
1627 /* ID of the snapshot output */
1628 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1629 mi_lttng_element_id
, output
->id
);
1634 /* Name of the output */
1635 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1641 /* Destination of the output (ctrl_url)*/
1642 ret
= mi_lttng_writer_write_element_string(writer
,
1643 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1648 /* Destination of the output (data_url) */
1649 ret
= mi_lttng_writer_write_element_string(writer
,
1650 mi_lttng_element_snapshot_data_url
, output
->data_url
);
1655 /* total size of all stream combined */
1656 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1657 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1662 /* Close snapshot output element */
1663 ret
= mi_lttng_writer_close_element(writer
);
1670 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
1671 const char *name
, const char *current_session_name
)
1675 /* Open element del_snapshot */
1676 ret
= mi_lttng_writer_open_element(writer
,
1677 mi_lttng_element_command_snapshot
);
1683 if (id
!= UINT32_MAX
) {
1684 /* "Snapshot output "id" successfully deleted
1685 * for "current_session_name"
1686 * ID of the snapshot output
1688 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1689 mi_lttng_element_id
, id
);
1694 /* "Snapshot output "name" successfully deleted
1695 * for session "current_session_name"
1696 * Name of the output
1698 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1705 /* Snapshot was deleted for session "current_session_name"*/
1706 ret
= mi_lttng_writer_write_element_string(writer
,
1707 mi_lttng_element_snapshot_session_name
,
1708 current_session_name
);
1713 /* Close snapshot element */
1714 ret
= mi_lttng_writer_close_element(writer
);
1721 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
1722 const char *current_session_name
, const char *n_ptr
,
1723 struct lttng_snapshot_output
*output
)
1727 /* Open element snapshot */
1728 ret
= mi_lttng_writer_open_element(writer
,
1729 mi_lttng_element_command_snapshot
);
1734 /* Snapshot output id */
1735 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1736 mi_lttng_element_id
, output
->id
);
1741 /* Snapshot output names */
1742 ret
= mi_lttng_writer_write_element_string(writer
,
1743 config_element_name
, n_ptr
);
1748 /* Destination of the output (ctrl_url)*/
1749 ret
= mi_lttng_writer_write_element_string(writer
,
1750 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1755 /* Snapshot added for session "current_session_name"*/
1756 ret
= mi_lttng_writer_write_element_string(writer
,
1757 mi_lttng_element_snapshot_session_name
, current_session_name
);
1762 /* total size of all stream combined */
1763 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1764 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1769 /* Close snapshot element */
1770 ret
= mi_lttng_writer_close_element(writer
);
1777 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
1778 const char *current_session_name
, const char *url
,
1779 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
1783 /* Open element snapshot */
1784 ret
= mi_lttng_writer_open_element(writer
,
1785 mi_lttng_element_command_snapshot
);
1791 * If a valid an URL was given, serialize it,
1792 * else take the command line data and ctrl urls*/
1794 /* Destination of the output (ctrl_url)*/
1795 ret
= mi_lttng_writer_write_element_string(writer
,
1796 mi_lttng_element_snapshot_ctrl_url
, url
);
1800 } else if (cmdline_ctrl_url
) {
1801 /* Destination of the output (ctrl_url)*/
1802 ret
= mi_lttng_writer_write_element_string(writer
,
1803 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
1808 /* Destination of the output (data_url) */
1809 ret
= mi_lttng_writer_write_element_string(writer
,
1810 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
1816 /* Close record_snapshot element */
1817 ret
= mi_lttng_writer_close_element(writer
);