2 * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com>
3 * - Olivier Cotte <olivier.cotte@polymtl.ca>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License, version 2 only, as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 51
16 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include <include/config.h>
22 #include <common/config/config.h>
23 #include <lttng/snapshot-internal.h>
28 /* Strings related to command */
29 const char * const mi_lttng_element_command
= "command";
30 const char * const mi_lttng_element_command_action
= "snapshot_action";
31 const char * const mi_lttng_element_command_add_context
= "add-context";
32 const char * const mi_lttng_element_command_calibrate
= "calibrate";
33 const char * const mi_lttng_element_command_create
= "create";
34 const char * const mi_lttng_element_command_destroy
= "destroy";
35 const char * const mi_lttng_element_command_disable_channel
= "disable-channel";
36 const char * const mi_lttng_element_command_disable_event
= "disable-event";
37 const char * const mi_lttng_element_command_enable_channels
= "enable-channel";
38 const char * const mi_lttng_element_command_enable_event
= "enable-event";
39 const char * const mi_lttng_element_command_list
= "list";
40 const char * const mi_lttng_element_command_load
= "load";
41 const char * const mi_lttng_element_command_name
= "name";
42 const char * const mi_lttng_element_command_output
= "output";
43 const char * const mi_lttng_element_command_save
= "save";
44 const char * const mi_lttng_element_command_set_session
= "set-session";
45 const char * const mi_lttng_element_command_snapshot
= "snapshot";
46 const char * const mi_lttng_element_command_snapshot_add
= "add_snapshot";
47 const char * const mi_lttng_element_command_snapshot_del
= "del_snapshot";
48 const char * const mi_lttng_element_command_snapshot_list
= "list_snapshot";
49 const char * const mi_lttng_element_command_snapshot_record
= "record_snapshot";
50 const char * const mi_lttng_element_command_start
= "start";
51 const char * const mi_lttng_element_command_stop
= "stop";
52 const char * const mi_lttng_element_command_success
= "success";
53 const char * const mi_lttng_element_command_track
= "track";
54 const char * const mi_lttng_element_command_untrack
= "untrack";
55 const char * const mi_lttng_element_command_version
= "version";
57 /* Strings related to version command */
58 const char * const mi_lttng_element_version
= "version";
59 const char * const mi_lttng_element_version_commit
= "commit";
60 const char * const mi_lttng_element_version_description
= "description";
61 const char * const mi_lttng_element_version_license
= "license";
62 const char * const mi_lttng_element_version_major
= "major";
63 const char * const mi_lttng_element_version_minor
= "minor";
64 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
65 const char * const mi_lttng_element_version_str
= "string";
66 const char * const mi_lttng_element_version_web
= "url";
68 /* String related to a lttng_event_field */
69 const char * const mi_lttng_element_event_field
= "event_field";
70 const char * const mi_lttng_element_event_fields
= "event_fields";
72 /* String related to lttng_event_context */
73 const char * const mi_lttng_context_type_perf_counter
= "PERF_COUNTER";
74 const char * const mi_lttng_context_type_perf_cpu_counter
= "PERF_CPU_COUNTER";
75 const char * const mi_lttng_context_type_perf_thread_counter
= "PERF_THREAD_COUNTER";
77 /* String related to lttng_event_perf_counter_ctx */
78 const char * const mi_lttng_element_perf_counter_context
= "perf_counter_context";
80 /* Strings related to pid */
81 const char * const mi_lttng_element_pid_id
= "id";
83 /* Strings related to save command */
84 const char * const mi_lttng_element_save
= "save";
86 /* Strings related to load command */
87 const char * const mi_lttng_element_load
= "load";
89 /* General elements of mi_lttng */
90 const char * const mi_lttng_element_empty
= "";
91 const char * const mi_lttng_element_id
= "id";
92 const char * const mi_lttng_element_nowrite
= "nowrite";
93 const char * const mi_lttng_element_success
= "success";
94 const char * const mi_lttng_element_type_enum
= "ENUM";
95 const char * const mi_lttng_element_type_float
= "FLOAT";
96 const char * const mi_lttng_element_type_integer
= "INTEGER";
97 const char * const mi_lttng_element_type_other
= "OTHER";
98 const char * const mi_lttng_element_type_string
= "STRING";
100 /* String related to loglevel */
101 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
102 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
103 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
104 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
105 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
106 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
107 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
108 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
109 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
110 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
111 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
112 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
113 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
114 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
115 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
116 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
118 /* String related to loglevel JUL */
119 const char * const mi_lttng_loglevel_str_jul_all
= "JUL_ALL";
120 const char * const mi_lttng_loglevel_str_jul_config
= "JUL_CONFIG";
121 const char * const mi_lttng_loglevel_str_jul_fine
= "JUL_FINE";
122 const char * const mi_lttng_loglevel_str_jul_finer
= "JUL_FINER";
123 const char * const mi_lttng_loglevel_str_jul_finest
= "JUL_FINEST";
124 const char * const mi_lttng_loglevel_str_jul_info
= "JUL_INFO";
125 const char * const mi_lttng_loglevel_str_jul_off
= "JUL_OFF";
126 const char * const mi_lttng_loglevel_str_jul_severe
= "JUL_SEVERE";
127 const char * const mi_lttng_loglevel_str_jul_warning
= "JUL_WARNING";
129 /* String related to loglevel LOG4J */
130 const char * const mi_lttng_loglevel_str_log4j_off
= "LOG4J_OFF";
131 const char * const mi_lttng_loglevel_str_log4j_fatal
= "LOG4J_FATAL";
132 const char * const mi_lttng_loglevel_str_log4j_error
= "LOG4J_ERROR";
133 const char * const mi_lttng_loglevel_str_log4j_warn
= "LOG4J_WARN";
134 const char * const mi_lttng_loglevel_str_log4j_info
= "LOG4J_INFO";
135 const char * const mi_lttng_loglevel_str_log4j_debug
= "LOG4J_DEBUG";
136 const char * const mi_lttng_loglevel_str_log4j_trace
= "LOG4J_TRACE";
137 const char * const mi_lttng_loglevel_str_log4j_all
= "LOG4J_ALL";
139 /* String related to loglevel Python */
140 const char * const mi_lttng_loglevel_str_python_critical
= "PYTHON_CRITICAL";
141 const char * const mi_lttng_loglevel_str_python_error
= "PYTHON_ERROR";
142 const char * const mi_lttng_loglevel_str_python_warning
= "PYTHON_WARNING";
143 const char * const mi_lttng_loglevel_str_python_info
= "PYTHON_INFO";
144 const char * const mi_lttng_loglevel_str_python_debug
= "PYTHON_DEBUG";
145 const char * const mi_lttng_loglevel_str_python_notset
= "PYTHON_NOTSET";
147 /* String related to loglevel type */
148 const char * const mi_lttng_loglevel_type_all
= "ALL";
149 const char * const mi_lttng_loglevel_type_range
= "RANGE";
150 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
151 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
153 /* String related to lttng_calibrate */
154 const char * const mi_lttng_element_calibrate
= "calibrate";
155 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
157 /* String related to a lttng_snapshot_output */
158 const char * const mi_lttng_element_snapshot_ctrl_url
= "ctrl_url";
159 const char * const mi_lttng_element_snapshot_data_url
= "data_url";
160 const char * const mi_lttng_element_snapshot_max_size
= "max_size";
161 const char * const mi_lttng_element_snapshot_n_ptr
= "n_ptr";
162 const char * const mi_lttng_element_snapshot_session_name
= "session_name";
163 const char * const mi_lttng_element_snapshots
= "snapshots";
165 /* String related to track/untrack command */
166 const char * const mi_lttng_element_track_untrack_targets
= "targets";
167 const char * const mi_lttng_element_track_untrack_pid_target
= "pid_target";
168 const char * const mi_lttng_element_track_untrack_all_wildcard
= "*";
171 /* This is a merge of jul loglevel and regular loglevel
172 * Those should never overlap by definition
173 * (see struct lttng_event loglevel)
176 const char *mi_lttng_loglevel_string(int value
, enum lttng_domain_type domain
)
179 case LTTNG_DOMAIN_KERNEL
:
180 case LTTNG_DOMAIN_UST
:
183 return mi_lttng_element_empty
;
184 case LTTNG_LOGLEVEL_EMERG
:
185 return mi_lttng_loglevel_str_emerg
;
186 case LTTNG_LOGLEVEL_ALERT
:
187 return mi_lttng_loglevel_str_alert
;
188 case LTTNG_LOGLEVEL_CRIT
:
189 return mi_lttng_loglevel_str_crit
;
190 case LTTNG_LOGLEVEL_ERR
:
191 return mi_lttng_loglevel_str_err
;
192 case LTTNG_LOGLEVEL_WARNING
:
193 return mi_lttng_loglevel_str_warning
;
194 case LTTNG_LOGLEVEL_NOTICE
:
195 return mi_lttng_loglevel_str_notice
;
196 case LTTNG_LOGLEVEL_INFO
:
197 return mi_lttng_loglevel_str_info
;
198 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
199 return mi_lttng_loglevel_str_debug_system
;
200 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
201 return mi_lttng_loglevel_str_debug_program
;
202 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
203 return mi_lttng_loglevel_str_debug_process
;
204 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
205 return mi_lttng_loglevel_str_debug_module
;
206 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
207 return mi_lttng_loglevel_str_debug_unit
;
208 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
209 return mi_lttng_loglevel_str_debug_function
;
210 case LTTNG_LOGLEVEL_DEBUG_LINE
:
211 return mi_lttng_loglevel_str_debug_line
;
212 case LTTNG_LOGLEVEL_DEBUG
:
213 return mi_lttng_loglevel_str_debug
;
215 return mi_lttng_loglevel_str_unknown
;
218 case LTTNG_DOMAIN_LOG4J
:
221 return mi_lttng_element_empty
;
222 case LTTNG_LOGLEVEL_LOG4J_OFF
:
223 return mi_lttng_loglevel_str_log4j_off
;
224 case LTTNG_LOGLEVEL_LOG4J_FATAL
:
225 return mi_lttng_loglevel_str_log4j_fatal
;
226 case LTTNG_LOGLEVEL_LOG4J_ERROR
:
227 return mi_lttng_loglevel_str_log4j_error
;
228 case LTTNG_LOGLEVEL_LOG4J_WARN
:
229 return mi_lttng_loglevel_str_log4j_warn
;
230 case LTTNG_LOGLEVEL_LOG4J_INFO
:
231 return mi_lttng_loglevel_str_log4j_info
;
232 case LTTNG_LOGLEVEL_LOG4J_DEBUG
:
233 return mi_lttng_loglevel_str_log4j_debug
;
234 case LTTNG_LOGLEVEL_LOG4J_TRACE
:
235 return mi_lttng_loglevel_str_log4j_trace
;
236 case LTTNG_LOGLEVEL_LOG4J_ALL
:
237 return mi_lttng_loglevel_str_log4j_all
;
239 return mi_lttng_loglevel_str_unknown
;
242 case LTTNG_DOMAIN_JUL
:
245 return mi_lttng_element_empty
;
246 case LTTNG_LOGLEVEL_JUL_OFF
:
247 return mi_lttng_loglevel_str_jul_off
;
248 case LTTNG_LOGLEVEL_JUL_SEVERE
:
249 return mi_lttng_loglevel_str_jul_severe
;
250 case LTTNG_LOGLEVEL_JUL_WARNING
:
251 return mi_lttng_loglevel_str_jul_warning
;
252 case LTTNG_LOGLEVEL_JUL_INFO
:
253 return mi_lttng_loglevel_str_jul_info
;
254 case LTTNG_LOGLEVEL_JUL_CONFIG
:
255 return mi_lttng_loglevel_str_jul_config
;
256 case LTTNG_LOGLEVEL_JUL_FINE
:
257 return mi_lttng_loglevel_str_jul_fine
;
258 case LTTNG_LOGLEVEL_JUL_FINER
:
259 return mi_lttng_loglevel_str_jul_finer
;
260 case LTTNG_LOGLEVEL_JUL_FINEST
:
261 return mi_lttng_loglevel_str_jul_finest
;
262 case LTTNG_LOGLEVEL_JUL_ALL
:
263 return mi_lttng_loglevel_str_jul_all
;
265 return mi_lttng_loglevel_str_unknown
;
268 case LTTNG_DOMAIN_PYTHON
:
270 case LTTNG_LOGLEVEL_PYTHON_CRITICAL
:
271 return mi_lttng_loglevel_str_python_critical
;
272 case LTTNG_LOGLEVEL_PYTHON_ERROR
:
273 return mi_lttng_loglevel_str_python_error
;
274 case LTTNG_LOGLEVEL_PYTHON_WARNING
:
275 return mi_lttng_loglevel_str_python_warning
;
276 case LTTNG_LOGLEVEL_PYTHON_INFO
:
277 return mi_lttng_loglevel_str_python_info
;
278 case LTTNG_LOGLEVEL_PYTHON_DEBUG
:
279 return mi_lttng_loglevel_str_python_debug
;
280 case LTTNG_LOGLEVEL_PYTHON_NOTSET
:
281 return mi_lttng_loglevel_str_python_notset
;
283 return mi_lttng_loglevel_str_unknown
;
287 return mi_lttng_loglevel_str_unknown
;
292 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
295 case LTTNG_EVENT_LOGLEVEL_ALL
:
296 return mi_lttng_loglevel_type_all
;
297 case LTTNG_EVENT_LOGLEVEL_RANGE
:
298 return mi_lttng_loglevel_type_range
;
299 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
300 return mi_lttng_loglevel_type_single
;
302 return mi_lttng_loglevel_type_unknown
;
307 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
310 case LTTNG_EVENT_ALL
:
311 return config_event_type_all
;
312 case LTTNG_EVENT_TRACEPOINT
:
313 return config_event_type_tracepoint
;
314 case LTTNG_EVENT_PROBE
:
315 return config_event_type_probe
;
316 case LTTNG_EVENT_FUNCTION
:
317 return config_event_type_function
;
318 case LTTNG_EVENT_FUNCTION_ENTRY
:
319 return config_event_type_function_entry
;
320 case LTTNG_EVENT_SYSCALL
:
321 return config_event_type_syscall
;
322 case LTTNG_EVENT_NOOP
:
323 return config_event_type_noop
;
325 return mi_lttng_element_empty
;
330 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
333 case LTTNG_EVENT_CONTEXT_PID
:
334 return config_event_context_pid
;
335 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
336 return mi_lttng_context_type_perf_counter
;
337 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
338 return mi_lttng_context_type_perf_thread_counter
;
339 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
340 return mi_lttng_context_type_perf_cpu_counter
;
341 case LTTNG_EVENT_CONTEXT_PROCNAME
:
342 return config_event_context_procname
;
343 case LTTNG_EVENT_CONTEXT_PRIO
:
344 return config_event_context_prio
;
345 case LTTNG_EVENT_CONTEXT_NICE
:
346 return config_event_context_nice
;
347 case LTTNG_EVENT_CONTEXT_VPID
:
348 return config_event_context_vpid
;
349 case LTTNG_EVENT_CONTEXT_TID
:
350 return config_event_context_tid
;
351 case LTTNG_EVENT_CONTEXT_VTID
:
352 return config_event_context_vtid
;
353 case LTTNG_EVENT_CONTEXT_PPID
:
354 return config_event_context_ppid
;
355 case LTTNG_EVENT_CONTEXT_VPPID
:
356 return config_event_context_vppid
;
357 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
358 return config_event_context_pthread_id
;
359 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
360 return config_event_context_hostname
;
361 case LTTNG_EVENT_CONTEXT_IP
:
362 return config_event_context_ip
;
369 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
372 case(LTTNG_EVENT_FIELD_INTEGER
):
373 return mi_lttng_element_type_integer
;
374 case(LTTNG_EVENT_FIELD_ENUM
):
375 return mi_lttng_element_type_enum
;
376 case(LTTNG_EVENT_FIELD_FLOAT
):
377 return mi_lttng_element_type_float
;
378 case(LTTNG_EVENT_FIELD_STRING
):
379 return mi_lttng_element_type_string
;
381 return mi_lttng_element_type_other
;
386 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
388 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
390 case LTTNG_DOMAIN_KERNEL
:
391 return config_domain_type_kernel
;
392 case LTTNG_DOMAIN_UST
:
393 return config_domain_type_ust
;
394 case LTTNG_DOMAIN_JUL
:
395 return config_domain_type_jul
;
396 case LTTNG_DOMAIN_LOG4J
:
397 return config_domain_type_log4j
;
398 case LTTNG_DOMAIN_PYTHON
:
399 return config_domain_type_python
;
401 /* Should not have an unknown domain */
407 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
410 case LTTNG_BUFFER_PER_PID
:
411 return config_buffer_type_per_pid
;
412 case LTTNG_BUFFER_PER_UID
:
413 return config_buffer_type_per_uid
;
414 case LTTNG_BUFFER_GLOBAL
:
415 return config_buffer_type_global
;
417 /* Should not have an unknow buffer type */
423 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
428 case LTTNG_CALIBRATE_FUNCTION
:
429 ret
= mi_lttng_element_calibrate_function
;
432 ret
= mi_lttng_element_empty
;
439 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
441 struct mi_writer
*mi_writer
;
443 mi_writer
= zmalloc(sizeof(struct mi_writer
));
445 PERROR("zmalloc mi_writer_create");
448 if (mi_output_type
== LTTNG_MI_XML
) {
449 mi_writer
->writer
= config_writer_create(fd_output
, 0);
450 if (!mi_writer
->writer
) {
453 mi_writer
->type
= LTTNG_MI_XML
;
467 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
476 ret
= config_writer_destroy(writer
->writer
);
487 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
491 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
495 ret
= mi_lttng_writer_write_element_string(writer
,
496 mi_lttng_element_command_name
, command
);
502 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
504 return mi_lttng_writer_close_element(writer
);
508 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
509 const char *element_name
)
511 return config_writer_open_element(writer
->writer
, element_name
);
515 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
517 return config_writer_close_element(writer
->writer
);
521 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
522 unsigned int nb_element
)
526 if (nb_element
< 1) {
530 for (i
= 0; i
< nb_element
; i
++) {
531 ret
= mi_lttng_writer_close_element(writer
);
541 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
542 const char *element_name
, uint64_t value
)
544 return config_writer_write_element_unsigned_int(writer
->writer
,
545 element_name
, value
);
549 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
550 const char *element_name
, int64_t value
)
552 return config_writer_write_element_signed_int(writer
->writer
,
553 element_name
, value
);
557 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
558 const char *element_name
, int value
)
560 return config_writer_write_element_bool(writer
->writer
,
561 element_name
, value
);
565 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
566 const char *element_name
, const char *value
)
568 return config_writer_write_element_string(writer
->writer
,
569 element_name
, value
);
573 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
574 const char *lttng_description
, const char *lttng_license
)
579 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
584 /* Version string (contain info like rc etc.) */
585 ret
= mi_lttng_writer_write_element_string(writer
,
586 mi_lttng_element_version_str
, version
->version
);
591 /* Major version number */
592 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
593 mi_lttng_element_version_major
, version
->version_major
);
598 /* Minor version number */
599 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
600 mi_lttng_element_version_minor
, version
->version_minor
);
605 /* Commit version number */
606 ret
= mi_lttng_writer_write_element_string(writer
,
607 mi_lttng_element_version_commit
, version
->version_commit
);
613 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
614 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
619 /* Name of the version */
620 ret
= mi_lttng_writer_write_element_string(writer
,
621 config_element_name
, version
->version_name
);
626 /* Description mostly related to beer... */
627 ret
= mi_lttng_writer_write_element_string(writer
,
628 mi_lttng_element_version_description
, lttng_description
);
634 ret
= mi_lttng_writer_write_element_string(writer
,
635 mi_lttng_element_version_web
, version
->package_url
);
640 /* License: free as in free beer...no...*speech* */
641 ret
= mi_lttng_writer_write_element_string(writer
,
642 mi_lttng_element_version_license
, lttng_license
);
647 /* Close version element */
648 ret
= mi_lttng_writer_close_element(writer
);
655 int mi_lttng_sessions_open(struct mi_writer
*writer
)
657 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
661 int mi_lttng_session(struct mi_writer
*writer
,
662 struct lttng_session
*session
, int is_open
)
668 /* Open sessions element */
669 ret
= mi_lttng_writer_open_element(writer
,
670 config_element_session
);
675 /* Name of the session */
676 ret
= mi_lttng_writer_write_element_string(writer
,
677 config_element_name
, session
->name
);
683 ret
= mi_lttng_writer_write_element_string(writer
,
684 config_element_path
, session
->path
);
690 ret
= mi_lttng_writer_write_element_bool(writer
,
691 config_element_enabled
, session
->enabled
);
697 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
698 config_element_snapshot_mode
, session
->snapshot_mode
);
703 /* Live timer interval in usec */
704 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
705 config_element_live_timer_interval
,
706 session
->live_timer_interval
);
712 /* Closing session element */
713 ret
= mi_lttng_writer_close_element(writer
);
721 int mi_lttng_domains_open(struct mi_writer
*writer
)
723 return mi_lttng_writer_open_element(writer
, config_element_domains
);
727 int mi_lttng_domain(struct mi_writer
*writer
,
728 struct lttng_domain
*domain
, int is_open
)
731 const char *str_domain
;
732 const char *str_buffer
;
736 /* Open domain element */
737 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
743 str_domain
= mi_lttng_domaintype_string(domain
->type
);
744 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
751 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
752 ret
= mi_lttng_writer_write_element_string(writer
,
753 config_element_buffer_type
, str_buffer
);
759 * This union is not currently used and was added for
760 * future ust domain support.
765 /* Closing domain element */
766 ret
= mi_lttng_writer_close_element(writer
);
775 int mi_lttng_channels_open(struct mi_writer
*writer
)
777 return mi_lttng_writer_open_element(writer
, config_element_channels
);
781 int mi_lttng_channel(struct mi_writer
*writer
,
782 struct lttng_channel
*channel
, int is_open
)
788 /* Opening channel element */
789 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
795 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
802 ret
= mi_lttng_writer_write_element_bool(writer
,
803 config_element_enabled
, channel
->enabled
);
809 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
815 /* Closing channel element */
816 ret
= mi_lttng_writer_close_element(writer
);
826 int mi_lttng_channel_attr(struct mi_writer
*writer
,
827 struct lttng_channel_attr
*attr
)
833 /* Opening Attributes */
834 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
840 ret
= mi_lttng_writer_write_element_string(writer
,
841 config_element_overwrite_mode
,
842 attr
->overwrite
? config_overwrite_mode_overwrite
:
843 config_overwrite_mode_discard
);
848 /* Sub buffer size in byte */
849 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
850 config_element_subbuf_size
, attr
->subbuf_size
);
855 /* Number of subbuffer (power of two) */
856 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
857 config_element_num_subbuf
,
863 /* Switch timer interval in usec */
864 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
865 config_element_switch_timer_interval
,
866 attr
->switch_timer_interval
);
871 /* Read timer interval in usec */
872 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
873 config_element_read_timer_interval
,
874 attr
->read_timer_interval
);
880 ret
= mi_lttng_writer_write_element_string(writer
,
881 config_element_output_type
,
882 attr
->output
== LTTNG_EVENT_SPLICE
?
883 config_output_type_splice
: config_output_type_mmap
);
888 /* Tracefile size in bytes */
889 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
890 config_element_tracefile_size
, attr
->tracefile_size
);
895 /* Count of tracefiles */
896 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
897 config_element_tracefile_count
,
898 attr
->tracefile_count
);
903 /* Live timer interval in usec*/
904 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
905 config_element_live_timer_interval
,
906 attr
->live_timer_interval
);
911 /* Closing attributes */
912 ret
= mi_lttng_writer_close_element(writer
);
922 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
923 struct lttng_event
*event
)
927 /* Open event element */
928 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
934 ret
= mi_lttng_writer_write_element_string(writer
,
935 config_element_name
, event
->name
);
941 ret
= mi_lttng_writer_write_element_string(writer
,
942 config_element_type
, mi_lttng_eventtype_string(event
->type
));
947 /* Is event enabled */
948 ret
= mi_lttng_writer_write_element_bool(writer
,
949 config_element_enabled
, event
->enabled
);
954 /* Event filter enabled? */
955 ret
= mi_lttng_writer_write_element_bool(writer
,
956 config_element_filter
, event
->filter
);
963 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
964 struct lttng_event
*event
, enum lttng_domain_type domain
)
969 ret
= mi_lttng_writer_write_element_string(writer
,
970 config_element_loglevel
,
971 mi_lttng_loglevel_string(event
->loglevel
, domain
));
977 ret
= mi_lttng_writer_write_element_string(writer
,
978 config_element_loglevel_type
,
979 mi_lttng_logleveltype_string(event
->loglevel_type
));
984 /* event exclusion filter */
985 ret
= mi_lttng_writer_write_element_bool(writer
,
986 config_element_exclusion
, event
->exclusion
);
996 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
997 struct lttng_event
*event
)
999 /* event exclusion filter */
1000 return mi_lttng_writer_write_element_bool(writer
,
1001 config_element_exclusion
, event
->exclusion
);
1005 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
1006 struct lttng_event
*event
)
1010 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1015 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1020 if (event
->attr
.probe
.addr
!= 0) {
1021 /* event probe address */
1022 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1023 config_element_address
, event
->attr
.probe
.addr
);
1028 /* event probe offset */
1029 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1030 config_element_offset
, event
->attr
.probe
.offset
);
1035 /* event probe symbol_name */
1036 ret
= mi_lttng_writer_write_element_string(writer
,
1037 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
1043 /* Close probe_attributes and attributes */
1044 ret
= mi_lttng_close_multi_element(writer
, 2);
1050 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
1051 struct lttng_event
*event
)
1055 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1060 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1065 /* event probe symbol_name */
1066 ret
= mi_lttng_writer_write_element_string(writer
,
1067 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
1072 /* Close function_attributes and attributes */
1073 ret
= mi_lttng_close_multi_element(writer
, 2);
1079 int mi_lttng_events_open(struct mi_writer
*writer
)
1081 return mi_lttng_writer_open_element(writer
, config_element_events
);
1085 int mi_lttng_event(struct mi_writer
*writer
,
1086 struct lttng_event
*event
, int is_open
, enum lttng_domain_type domain
)
1090 ret
= mi_lttng_event_common_attributes(writer
, event
);
1095 switch (event
->type
) {
1096 case LTTNG_EVENT_TRACEPOINT
:
1098 if (event
->loglevel
!= -1) {
1099 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
, domain
);
1101 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
1105 case LTTNG_EVENT_FUNCTION
:
1107 case LTTNG_EVENT_PROBE
:
1108 ret
= mi_lttng_event_function_probe(writer
, event
);
1110 case LTTNG_EVENT_FUNCTION_ENTRY
:
1111 ret
= mi_lttng_event_function_entry(writer
, event
);
1113 case LTTNG_EVENT_ALL
:
1120 ret
= mi_lttng_writer_close_element(writer
);
1128 int mi_lttng_trackers_open(struct mi_writer
*writer
)
1130 return mi_lttng_writer_open_element(writer
, config_element_trackers
);
1134 int mi_lttng_pid_tracker_open(struct mi_writer
*writer
)
1138 /* Open element pid_tracker */
1139 ret
= mi_lttng_writer_open_element(writer
, config_element_pid_tracker
);
1144 /* Open targets element */
1145 ret
= mi_lttng_targets_open(writer
);
1151 int mi_lttng_pids_open(struct mi_writer
*writer
)
1153 return mi_lttng_writer_open_element(writer
, config_element_pids
);
1157 * TODO: move the listing of pid for user agent to process semantic on
1158 * mi api bump. The use of process element break the mi api.
1161 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *name
,
1166 /* Open pid process */
1167 ret
= mi_lttng_writer_open_element(writer
, config_element_pid
);
1172 /* Writing pid number */
1173 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1174 mi_lttng_element_pid_id
, (int)pid
);
1179 /* Writing name of the process */
1181 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1190 ret
= mi_lttng_writer_close_element(writer
);
1198 int mi_lttng_targets_open(struct mi_writer
*writer
)
1200 return mi_lttng_writer_open_element(writer
,
1201 mi_lttng_element_track_untrack_targets
);
1205 int mi_lttng_pid_target(struct mi_writer
*writer
, pid_t pid
, int is_open
)
1209 ret
= mi_lttng_writer_open_element(writer
,
1210 mi_lttng_element_track_untrack_pid_target
);
1215 /* Writing pid number
1216 * Special case for element all on track untrack command
1217 * All pid is represented as wildcard *
1219 if ((int) pid
== -1) {
1220 ret
= mi_lttng_writer_write_element_string(writer
,
1222 mi_lttng_element_track_untrack_all_wildcard
);
1224 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1225 config_element_pid
, (int) pid
);
1232 ret
= mi_lttng_writer_close_element(writer
);
1243 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1245 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1249 int mi_lttng_event_field(struct mi_writer
*writer
,
1250 struct lttng_event_field
*field
)
1254 if (!field
->field_name
[0]) {
1260 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1265 if (!field
->field_name
[0]) {
1270 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1277 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1278 mi_lttng_eventfieldtype_string(field
->type
));
1284 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1285 mi_lttng_element_nowrite
, field
->nowrite
);
1291 /* Close field element */
1292 ret
= mi_lttng_writer_close_element(writer
);
1299 int mi_lttng_calibrate(struct mi_writer
*writer
,
1300 struct lttng_calibrate
*calibrate
)
1304 /* Open calibrate element */
1305 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1310 /* Calibration type */
1311 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1312 mi_lttng_calibratetype_string(calibrate
->type
));
1317 /* Closing calibrate element */
1318 ret
= mi_lttng_writer_close_element(writer
);
1324 int mi_lttng_context(struct mi_writer
*writer
,
1325 struct lttng_event_context
*context
, int is_open
)
1328 const char *type_string
;
1329 struct lttng_event_perf_counter_ctx
*perf_context
;
1331 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1336 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1338 ret
= -LTTNG_ERR_INVALID
;
1342 /* Print context type */
1343 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1346 /* Special case for PERF_*_COUNTER
1347 * print the lttng_event_perf_counter_ctx*/
1348 switch (context
->ctx
) {
1349 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1350 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1351 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1352 perf_context
= &context
->u
.perf_counter
;
1353 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1364 ret
= mi_lttng_writer_close_element(writer
);
1372 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1373 struct lttng_event_perf_counter_ctx
*perf_context
)
1377 /* Open perf_counter_context */
1378 ret
= mi_lttng_writer_open_element(writer
,
1379 mi_lttng_element_perf_counter_context
);
1385 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1386 config_element_type
, perf_context
->type
);
1392 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1393 config_element_config
, perf_context
->config
);
1398 /* Name of the perf counter */
1399 ret
= mi_lttng_writer_write_element_string(writer
,
1400 config_element_name
, perf_context
->name
);
1405 /* Close perf_counter_context */
1406 ret
= mi_lttng_writer_close_element(writer
);
1412 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1413 const char *session_name
)
1417 /* Open session element */
1418 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
1423 /* Snapshot output list for current session name */
1424 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1430 /* Open element snapshots (sequence one snapshot) */
1431 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
1441 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
1442 struct lttng_snapshot_output
*output
)
1446 /* Open element snapshot output */
1447 ret
= mi_lttng_writer_open_element(writer
,
1448 mi_lttng_element_command_snapshot
);
1453 /* ID of the snapshot output */
1454 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1455 mi_lttng_element_id
, output
->id
);
1460 /* Name of the output */
1461 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1467 /* Destination of the output (ctrl_url)*/
1468 ret
= mi_lttng_writer_write_element_string(writer
,
1469 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1474 /* Destination of the output (data_url) */
1475 ret
= mi_lttng_writer_write_element_string(writer
,
1476 mi_lttng_element_snapshot_data_url
, output
->data_url
);
1481 /* total size of all stream combined */
1482 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1483 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1488 /* Close snapshot output element */
1489 ret
= mi_lttng_writer_close_element(writer
);
1496 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
1497 const char *name
, const char *current_session_name
)
1501 /* Open element del_snapshot */
1502 ret
= mi_lttng_writer_open_element(writer
,
1503 mi_lttng_element_command_snapshot
);
1509 if (id
!= UINT32_MAX
) {
1510 /* "Snapshot output "id" successfully deleted
1511 * for "current_session_name"
1512 * ID of the snapshot output
1514 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1515 mi_lttng_element_id
, id
);
1520 /* "Snapshot output "name" successfully deleted
1521 * for session "current_session_name"
1522 * Name of the output
1524 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1531 /* Snapshot was deleted for session "current_session_name"*/
1532 ret
= mi_lttng_writer_write_element_string(writer
,
1533 mi_lttng_element_snapshot_session_name
,
1534 current_session_name
);
1539 /* Close snapshot element */
1540 ret
= mi_lttng_writer_close_element(writer
);
1547 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
1548 const char *current_session_name
, const char *n_ptr
,
1549 struct lttng_snapshot_output
*output
)
1553 /* Open element snapshot */
1554 ret
= mi_lttng_writer_open_element(writer
,
1555 mi_lttng_element_command_snapshot
);
1560 /* Snapshot output id */
1561 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1562 mi_lttng_element_id
, output
->id
);
1567 /* Snapshot output names */
1568 ret
= mi_lttng_writer_write_element_string(writer
,
1569 config_element_name
, n_ptr
);
1574 /* Destination of the output (ctrl_url)*/
1575 ret
= mi_lttng_writer_write_element_string(writer
,
1576 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1581 /* Snapshot added for session "current_session_name"*/
1582 ret
= mi_lttng_writer_write_element_string(writer
,
1583 mi_lttng_element_snapshot_session_name
, current_session_name
);
1588 /* total size of all stream combined */
1589 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1590 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1595 /* Close snapshot element */
1596 ret
= mi_lttng_writer_close_element(writer
);
1603 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
1604 const char *current_session_name
, const char *url
,
1605 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
1609 /* Open element snapshot */
1610 ret
= mi_lttng_writer_open_element(writer
,
1611 mi_lttng_element_command_snapshot
);
1617 * If a valid an URL was given, serialize it,
1618 * else take the command line data and ctrl urls*/
1620 /* Destination of the output (ctrl_url)*/
1621 ret
= mi_lttng_writer_write_element_string(writer
,
1622 mi_lttng_element_snapshot_ctrl_url
, url
);
1626 } else if (cmdline_ctrl_url
) {
1627 /* Destination of the output (ctrl_url)*/
1628 ret
= mi_lttng_writer_write_element_string(writer
,
1629 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
1634 /* Destination of the output (data_url) */
1635 ret
= mi_lttng_writer_write_element_string(writer
,
1636 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
1642 /* Close record_snapshot element */
1643 ret
= mi_lttng_writer_close_element(writer
);