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.
20 #include <include/config.h>
21 #include <common/config/config.h>
22 #include <lttng/snapshot-internal.h>
27 /* Strings related to command */
28 const char * const mi_lttng_element_command
= "command";
29 const char * const mi_lttng_element_command_action
= "snapshot_action";
30 const char * const mi_lttng_element_command_add_context
= "add-context";
31 const char * const mi_lttng_element_command_calibrate
= "calibrate";
32 const char * const mi_lttng_element_command_create
= "create";
33 const char * const mi_lttng_element_command_destroy
= "destroy";
34 const char * const mi_lttng_element_command_disable_channel
= "disable-channel";
35 const char * const mi_lttng_element_command_disable_event
= "disable-event";
36 const char * const mi_lttng_element_command_enable_channels
= "enable-channel";
37 const char * const mi_lttng_element_command_enable_event
= "enable-event";
38 const char * const mi_lttng_element_command_list
= "list";
39 const char * const mi_lttng_element_command_load
= "load";
40 const char * const mi_lttng_element_command_name
= "name";
41 const char * const mi_lttng_element_command_output
= "output";
42 const char * const mi_lttng_element_command_save
= "save";
43 const char * const mi_lttng_element_command_set_session
= "set-session";
44 const char * const mi_lttng_element_command_snapshot
= "snapshot";
45 const char * const mi_lttng_element_command_snapshot_add
= "add_snapshot";
46 const char * const mi_lttng_element_command_snapshot_del
= "del_snapshot";
47 const char * const mi_lttng_element_command_snapshot_list
= "list_snapshot";
48 const char * const mi_lttng_element_command_snapshot_record
= "record_snapshot";
49 const char * const mi_lttng_element_command_start
= "start";
50 const char * const mi_lttng_element_command_stop
= "stop";
51 const char * const mi_lttng_element_command_success
= "success";
52 const char * const mi_lttng_element_command_version
= "version";
54 /* Strings related to version command */
55 const char * const mi_lttng_element_version
= "version";
56 const char * const mi_lttng_element_version_commit
= "commit";
57 const char * const mi_lttng_element_version_description
= "description";
58 const char * const mi_lttng_element_version_license
= "license";
59 const char * const mi_lttng_element_version_major
= "major";
60 const char * const mi_lttng_element_version_minor
= "minor";
61 const char * const mi_lttng_element_version_patch_level
= "patchLevel";
62 const char * const mi_lttng_element_version_str
= "string";
63 const char * const mi_lttng_element_version_web
= "url";
65 /* String related to a lttng_event_field */
66 const char * const mi_lttng_element_event_field
= "event_field";
67 const char * const mi_lttng_element_event_fields
= "event_fields";
69 /* String related to lttng_event_context */
70 const char * const mi_lttng_context_type_perf_counter
= "PERF_COUNTER";
71 const char * const mi_lttng_context_type_perf_cpu_counter
= "PERF_CPU_COUNTER";
72 const char * const mi_lttng_context_type_perf_thread_counter
= "PERF_THREAD_COUNTER";
74 /* String related to lttng_event_perf_counter_ctx */
75 const char * const mi_lttng_element_perf_counter_context
= "perf_counter_context";
77 /* Strings related to pid */
78 const char * const mi_lttng_element_pids
= "pids";
79 const char * const mi_lttng_element_pid
= "pid";
80 const char * const mi_lttng_element_pid_id
= "id";
82 /* Strings related to save command */
83 const char * const mi_lttng_element_save
= "save";
85 /* Strings related to load command */
86 const char * const mi_lttng_element_load
= "load";
88 /* General elements of mi_lttng */
89 const char * const mi_lttng_element_empty
= "";
90 const char * const mi_lttng_element_id
= "id";
91 const char * const mi_lttng_element_nowrite
= "nowrite";
92 const char * const mi_lttng_element_success
= "success";
93 const char * const mi_lttng_element_type_enum
= "ENUM";
94 const char * const mi_lttng_element_type_float
= "FLOAT";
95 const char * const mi_lttng_element_type_integer
= "INTEGER";
96 const char * const mi_lttng_element_type_other
= "OTHER";
97 const char * const mi_lttng_element_type_string
= "STRING";
99 /* String related to loglevel */
100 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
101 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
102 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
103 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
104 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
105 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
106 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
107 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
108 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
109 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
110 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
111 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
112 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
113 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
114 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
115 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
117 /* String related to loglevel JUL */
118 const char * const mi_lttng_loglevel_str_jul_all
= "JUL_ALL";
119 const char * const mi_lttng_loglevel_str_jul_config
= "JUL_CONFIG";
120 const char * const mi_lttng_loglevel_str_jul_fine
= "JUL_FINE";
121 const char * const mi_lttng_loglevel_str_jul_finer
= "JUL_FINER";
122 const char * const mi_lttng_loglevel_str_jul_finest
= "JUL_FINEST";
123 const char * const mi_lttng_loglevel_str_jul_info
= "JUL_INFO";
124 const char * const mi_lttng_loglevel_str_jul_off
= "JUL_OFF";
125 const char * const mi_lttng_loglevel_str_jul_severe
= "JUL_SEVERE";
126 const char * const mi_lttng_loglevel_str_jul_warning
= "JUL_WARNING";
128 /* String related to loglevel LOG4J */
129 const char * const mi_lttng_loglevel_str_log4j_off
= "LOG4J_OFF";
130 const char * const mi_lttng_loglevel_str_log4j_fatal
= "LOG4J_FATAL";
131 const char * const mi_lttng_loglevel_str_log4j_error
= "LOG4J_ERROR";
132 const char * const mi_lttng_loglevel_str_log4j_warn
= "LOG4J_WARN";
133 const char * const mi_lttng_loglevel_str_log4j_info
= "LOG4J_INFO";
134 const char * const mi_lttng_loglevel_str_log4j_debug
= "LOG4J_DEBUG";
135 const char * const mi_lttng_loglevel_str_log4j_trace
= "LOG4J_TRACE";
136 const char * const mi_lttng_loglevel_str_log4j_all
= "LOG4J_ALL";
138 /* String related to loglevel type */
139 const char * const mi_lttng_loglevel_type_all
= "ALL";
140 const char * const mi_lttng_loglevel_type_range
= "RANGE";
141 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
142 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
144 /* String related to lttng_calibrate */
145 const char * const mi_lttng_element_calibrate
= "calibrate";
146 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
148 /* String related to a lttng_snapshot_output */
149 const char * const mi_lttng_element_snapshot_ctrl_url
= "ctrl_url";
150 const char * const mi_lttng_element_snapshot_data_url
= "data_url";
151 const char * const mi_lttng_element_snapshot_max_size
= "max_size";
152 const char * const mi_lttng_element_snapshot_n_ptr
= "n_ptr";
153 const char * const mi_lttng_element_snapshot_session_name
= "session_name";
154 const char * const mi_lttng_element_snapshots
= "snapshots";
156 /* This is a merge of jul loglevel and regular loglevel
157 * Those should never overlap by definition
158 * (see struct lttng_event loglevel)
161 const char *mi_lttng_loglevel_string(int value
, enum lttng_domain_type domain
)
164 case LTTNG_DOMAIN_KERNEL
:
165 case LTTNG_DOMAIN_UST
:
168 return mi_lttng_element_empty
;
169 case LTTNG_LOGLEVEL_EMERG
:
170 return mi_lttng_loglevel_str_emerg
;
171 case LTTNG_LOGLEVEL_ALERT
:
172 return mi_lttng_loglevel_str_alert
;
173 case LTTNG_LOGLEVEL_CRIT
:
174 return mi_lttng_loglevel_str_crit
;
175 case LTTNG_LOGLEVEL_ERR
:
176 return mi_lttng_loglevel_str_err
;
177 case LTTNG_LOGLEVEL_WARNING
:
178 return mi_lttng_loglevel_str_warning
;
179 case LTTNG_LOGLEVEL_NOTICE
:
180 return mi_lttng_loglevel_str_notice
;
181 case LTTNG_LOGLEVEL_INFO
:
182 return mi_lttng_loglevel_str_info
;
183 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
184 return mi_lttng_loglevel_str_debug_system
;
185 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
186 return mi_lttng_loglevel_str_debug_program
;
187 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
188 return mi_lttng_loglevel_str_debug_process
;
189 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
190 return mi_lttng_loglevel_str_debug_module
;
191 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
192 return mi_lttng_loglevel_str_debug_unit
;
193 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
194 return mi_lttng_loglevel_str_debug_function
;
195 case LTTNG_LOGLEVEL_DEBUG_LINE
:
196 return mi_lttng_loglevel_str_debug_line
;
197 case LTTNG_LOGLEVEL_DEBUG
:
198 return mi_lttng_loglevel_str_debug
;
200 return mi_lttng_loglevel_str_unknown
;
203 case LTTNG_DOMAIN_LOG4J
:
206 return mi_lttng_element_empty
;
207 case LTTNG_LOGLEVEL_LOG4J_OFF
:
208 return mi_lttng_loglevel_str_log4j_off
;
209 case LTTNG_LOGLEVEL_LOG4J_FATAL
:
210 return mi_lttng_loglevel_str_log4j_fatal
;
211 case LTTNG_LOGLEVEL_LOG4J_ERROR
:
212 return mi_lttng_loglevel_str_log4j_error
;
213 case LTTNG_LOGLEVEL_LOG4J_WARN
:
214 return mi_lttng_loglevel_str_log4j_warn
;
215 case LTTNG_LOGLEVEL_LOG4J_INFO
:
216 return mi_lttng_loglevel_str_log4j_info
;
217 case LTTNG_LOGLEVEL_LOG4J_DEBUG
:
218 return mi_lttng_loglevel_str_log4j_debug
;
219 case LTTNG_LOGLEVEL_LOG4J_TRACE
:
220 return mi_lttng_loglevel_str_log4j_trace
;
221 case LTTNG_LOGLEVEL_LOG4J_ALL
:
222 return mi_lttng_loglevel_str_log4j_all
;
224 return mi_lttng_loglevel_str_unknown
;
227 case LTTNG_DOMAIN_JUL
:
230 return mi_lttng_element_empty
;
231 case LTTNG_LOGLEVEL_JUL_OFF
:
232 return mi_lttng_loglevel_str_jul_off
;
233 case LTTNG_LOGLEVEL_JUL_SEVERE
:
234 return mi_lttng_loglevel_str_jul_severe
;
235 case LTTNG_LOGLEVEL_JUL_WARNING
:
236 return mi_lttng_loglevel_str_jul_warning
;
237 case LTTNG_LOGLEVEL_JUL_INFO
:
238 return mi_lttng_loglevel_str_jul_info
;
239 case LTTNG_LOGLEVEL_JUL_CONFIG
:
240 return mi_lttng_loglevel_str_jul_config
;
241 case LTTNG_LOGLEVEL_JUL_FINE
:
242 return mi_lttng_loglevel_str_jul_fine
;
243 case LTTNG_LOGLEVEL_JUL_FINER
:
244 return mi_lttng_loglevel_str_jul_finer
;
245 case LTTNG_LOGLEVEL_JUL_FINEST
:
246 return mi_lttng_loglevel_str_jul_finest
;
247 case LTTNG_LOGLEVEL_JUL_ALL
:
248 return mi_lttng_loglevel_str_jul_all
;
250 return mi_lttng_loglevel_str_unknown
;
255 /* Reaching this means the domain is unknown. */
256 return mi_lttng_loglevel_str_unknown
;
260 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
263 case LTTNG_EVENT_LOGLEVEL_ALL
:
264 return mi_lttng_loglevel_type_all
;
265 case LTTNG_EVENT_LOGLEVEL_RANGE
:
266 return mi_lttng_loglevel_type_range
;
267 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
268 return mi_lttng_loglevel_type_single
;
270 return mi_lttng_loglevel_type_unknown
;
275 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
278 case LTTNG_EVENT_ALL
:
279 return config_event_type_all
;
280 case LTTNG_EVENT_TRACEPOINT
:
281 return config_event_type_tracepoint
;
282 case LTTNG_EVENT_PROBE
:
283 return config_event_type_probe
;
284 case LTTNG_EVENT_FUNCTION
:
285 return config_event_type_function
;
286 case LTTNG_EVENT_FUNCTION_ENTRY
:
287 return config_event_type_function_entry
;
288 case LTTNG_EVENT_SYSCALL
:
289 return config_event_type_syscall
;
290 case LTTNG_EVENT_NOOP
:
291 return config_event_type_noop
;
293 return mi_lttng_element_empty
;
298 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
301 case LTTNG_EVENT_CONTEXT_PID
:
302 return config_event_context_pid
;
303 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
304 return mi_lttng_context_type_perf_counter
;
305 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
306 return mi_lttng_context_type_perf_thread_counter
;
307 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
308 return mi_lttng_context_type_perf_cpu_counter
;
309 case LTTNG_EVENT_CONTEXT_PROCNAME
:
310 return config_event_context_procname
;
311 case LTTNG_EVENT_CONTEXT_PRIO
:
312 return config_event_context_prio
;
313 case LTTNG_EVENT_CONTEXT_NICE
:
314 return config_event_context_nice
;
315 case LTTNG_EVENT_CONTEXT_VPID
:
316 return config_event_context_vpid
;
317 case LTTNG_EVENT_CONTEXT_TID
:
318 return config_event_context_tid
;
319 case LTTNG_EVENT_CONTEXT_VTID
:
320 return config_event_context_vtid
;
321 case LTTNG_EVENT_CONTEXT_PPID
:
322 return config_event_context_ppid
;
323 case LTTNG_EVENT_CONTEXT_VPPID
:
324 return config_event_context_vppid
;
325 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
326 return config_event_context_pthread_id
;
327 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
328 return config_event_context_hostname
;
329 case LTTNG_EVENT_CONTEXT_IP
:
330 return config_event_context_ip
;
337 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
340 case(LTTNG_EVENT_FIELD_INTEGER
):
341 return mi_lttng_element_type_integer
;
342 case(LTTNG_EVENT_FIELD_ENUM
):
343 return mi_lttng_element_type_enum
;
344 case(LTTNG_EVENT_FIELD_FLOAT
):
345 return mi_lttng_element_type_float
;
346 case(LTTNG_EVENT_FIELD_STRING
):
347 return mi_lttng_element_type_string
;
349 return mi_lttng_element_type_other
;
354 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
356 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
358 case LTTNG_DOMAIN_KERNEL
:
359 return config_domain_type_kernel
;
360 case LTTNG_DOMAIN_UST
:
361 return config_domain_type_ust
;
362 case LTTNG_DOMAIN_JUL
:
363 return config_domain_type_jul
;
364 case LTTNG_DOMAIN_LOG4J
:
365 return config_domain_type_log4j
;
367 /* Should not have an unknown domain */
373 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
376 case LTTNG_BUFFER_PER_PID
:
377 return config_buffer_type_per_pid
;
378 case LTTNG_BUFFER_PER_UID
:
379 return config_buffer_type_per_uid
;
380 case LTTNG_BUFFER_GLOBAL
:
381 return config_buffer_type_global
;
383 /* Should not have an unknow buffer type */
389 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
394 case LTTNG_CALIBRATE_FUNCTION
:
395 ret
= mi_lttng_element_calibrate_function
;
398 ret
= mi_lttng_element_empty
;
405 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
407 struct mi_writer
*mi_writer
;
409 mi_writer
= zmalloc(sizeof(struct mi_writer
));
411 PERROR("zmalloc mi_writer_create");
414 if (mi_output_type
== LTTNG_MI_XML
) {
415 mi_writer
->writer
= config_writer_create(fd_output
, 0);
416 if (!mi_writer
->writer
) {
419 mi_writer
->type
= LTTNG_MI_XML
;
433 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
442 ret
= config_writer_destroy(writer
->writer
);
453 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
457 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
461 ret
= mi_lttng_writer_write_element_string(writer
,
462 mi_lttng_element_command_name
, command
);
468 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
470 return mi_lttng_writer_close_element(writer
);
474 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
475 const char *element_name
)
477 return config_writer_open_element(writer
->writer
, element_name
);
481 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
483 return config_writer_close_element(writer
->writer
);
487 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
488 unsigned int nb_element
)
492 if (nb_element
< 1) {
496 for (i
= 0; i
< nb_element
; i
++) {
497 ret
= mi_lttng_writer_close_element(writer
);
507 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
508 const char *element_name
, uint64_t value
)
510 return config_writer_write_element_unsigned_int(writer
->writer
,
511 element_name
, value
);
515 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
516 const char *element_name
, int64_t value
)
518 return config_writer_write_element_signed_int(writer
->writer
,
519 element_name
, value
);
523 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
524 const char *element_name
, int value
)
526 return config_writer_write_element_bool(writer
->writer
,
527 element_name
, value
);
531 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
532 const char *element_name
, const char *value
)
534 return config_writer_write_element_string(writer
->writer
,
535 element_name
, value
);
539 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
540 const char *lttng_description
, const char *lttng_license
)
545 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
550 /* Version string (contain info like rc etc.) */
551 ret
= mi_lttng_writer_write_element_string(writer
,
552 mi_lttng_element_version_str
, version
->version
);
557 /* Major version number */
558 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
559 mi_lttng_element_version_major
, version
->version_major
);
564 /* Minor version number */
565 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
566 mi_lttng_element_version_minor
, version
->version_minor
);
571 /* Commit version number */
572 ret
= mi_lttng_writer_write_element_string(writer
,
573 mi_lttng_element_version_commit
, version
->version_commit
);
579 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
580 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
585 /* Name of the version */
586 ret
= mi_lttng_writer_write_element_string(writer
,
587 config_element_name
, version
->version_name
);
592 /* Description mostly related to beer... */
593 ret
= mi_lttng_writer_write_element_string(writer
,
594 mi_lttng_element_version_description
, lttng_description
);
600 ret
= mi_lttng_writer_write_element_string(writer
,
601 mi_lttng_element_version_web
, version
->package_url
);
606 /* License: free as in free beer...no...*speech* */
607 ret
= mi_lttng_writer_write_element_string(writer
,
608 mi_lttng_element_version_license
, lttng_license
);
613 /* Close version element */
614 ret
= mi_lttng_writer_close_element(writer
);
621 int mi_lttng_sessions_open(struct mi_writer
*writer
)
623 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
627 int mi_lttng_session(struct mi_writer
*writer
,
628 struct lttng_session
*session
, int is_open
)
634 /* Open sessions element */
635 ret
= mi_lttng_writer_open_element(writer
,
636 config_element_session
);
641 /* Name of the session */
642 ret
= mi_lttng_writer_write_element_string(writer
,
643 config_element_name
, session
->name
);
649 ret
= mi_lttng_writer_write_element_string(writer
,
650 config_element_path
, session
->path
);
656 ret
= mi_lttng_writer_write_element_bool(writer
,
657 config_element_enabled
, session
->enabled
);
663 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
664 config_element_snapshot_mode
, session
->snapshot_mode
);
669 /* Live timer interval in usec */
670 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
671 config_element_live_timer_interval
,
672 session
->live_timer_interval
);
678 /* Closing session element */
679 ret
= mi_lttng_writer_close_element(writer
);
687 int mi_lttng_domains_open(struct mi_writer
*writer
)
689 return mi_lttng_writer_open_element(writer
, config_element_domains
);
693 int mi_lttng_domain(struct mi_writer
*writer
,
694 struct lttng_domain
*domain
, int is_open
)
697 const char *str_domain
;
698 const char *str_buffer
;
702 /* Open domain element */
703 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
709 str_domain
= mi_lttng_domaintype_string(domain
->type
);
710 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
717 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
718 ret
= mi_lttng_writer_write_element_string(writer
,
719 config_element_buffer_type
, str_buffer
);
725 * This union is not currently used and was added for
726 * future ust domain support.
731 /* Closing domain element */
732 ret
= mi_lttng_writer_close_element(writer
);
741 int mi_lttng_channels_open(struct mi_writer
*writer
)
743 return mi_lttng_writer_open_element(writer
, config_element_channels
);
747 int mi_lttng_channel(struct mi_writer
*writer
,
748 struct lttng_channel
*channel
, int is_open
)
754 /* Opening channel element */
755 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
761 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
768 ret
= mi_lttng_writer_write_element_bool(writer
,
769 config_element_enabled
, channel
->enabled
);
775 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
781 /* Closing channel element */
782 ret
= mi_lttng_writer_close_element(writer
);
792 int mi_lttng_channel_attr(struct mi_writer
*writer
,
793 struct lttng_channel_attr
*attr
)
799 /* Opening Attributes */
800 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
806 ret
= mi_lttng_writer_write_element_string(writer
,
807 config_element_overwrite_mode
,
808 attr
->overwrite
? config_overwrite_mode_overwrite
:
809 config_overwrite_mode_discard
);
814 /* Sub buffer size in byte */
815 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
816 config_element_subbuf_size
, attr
->subbuf_size
);
821 /* Number of subbuffer (power of two) */
822 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
823 config_element_num_subbuf
,
829 /* Switch timer interval in usec */
830 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
831 config_element_switch_timer_interval
,
832 attr
->switch_timer_interval
);
837 /* Read timer interval in usec */
838 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
839 config_element_read_timer_interval
,
840 attr
->read_timer_interval
);
846 ret
= mi_lttng_writer_write_element_string(writer
,
847 config_element_output_type
,
848 attr
->output
== LTTNG_EVENT_SPLICE
?
849 config_output_type_splice
: config_output_type_mmap
);
854 /* Tracefile size in bytes */
855 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
856 config_element_tracefile_size
, attr
->tracefile_size
);
861 /* Count of tracefiles */
862 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
863 config_element_tracefile_count
,
864 attr
->tracefile_count
);
869 /* Live timer interval in usec*/
870 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
871 config_element_live_timer_interval
,
872 attr
->live_timer_interval
);
877 /* Closing attributes */
878 ret
= mi_lttng_writer_close_element(writer
);
888 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
889 struct lttng_event
*event
)
893 /* Open event element */
894 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
900 ret
= mi_lttng_writer_write_element_string(writer
,
901 config_element_name
, event
->name
);
907 ret
= mi_lttng_writer_write_element_string(writer
,
908 config_element_type
, mi_lttng_eventtype_string(event
->type
));
913 /* Is event enabled */
914 ret
= mi_lttng_writer_write_element_bool(writer
,
915 config_element_enabled
, event
->enabled
);
920 /* Event filter enabled? */
921 ret
= mi_lttng_writer_write_element_bool(writer
,
922 config_element_filter
, event
->filter
);
929 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
930 struct lttng_event
*event
, enum lttng_domain_type domain
)
935 ret
= mi_lttng_writer_write_element_string(writer
,
936 config_element_loglevel
,
937 mi_lttng_loglevel_string(event
->loglevel
, domain
));
943 ret
= mi_lttng_writer_write_element_string(writer
,
944 config_element_loglevel_type
,
945 mi_lttng_logleveltype_string(event
->loglevel_type
));
950 /* event exclusion filter */
951 ret
= mi_lttng_writer_write_element_bool(writer
,
952 config_element_exclusion
, event
->exclusion
);
962 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
963 struct lttng_event
*event
)
965 /* event exclusion filter */
966 return mi_lttng_writer_write_element_bool(writer
,
967 config_element_exclusion
, event
->exclusion
);
971 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
972 struct lttng_event
*event
)
976 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
981 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
986 if (event
->attr
.probe
.addr
!= 0) {
987 /* event probe address */
988 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
989 config_element_address
, event
->attr
.probe
.addr
);
994 /* event probe offset */
995 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
996 config_element_offset
, event
->attr
.probe
.offset
);
1001 /* event probe symbol_name */
1002 ret
= mi_lttng_writer_write_element_string(writer
,
1003 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
1009 /* Close probe_attributes and attributes */
1010 ret
= mi_lttng_close_multi_element(writer
, 2);
1016 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
1017 struct lttng_event
*event
)
1021 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1026 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1031 /* event probe symbol_name */
1032 ret
= mi_lttng_writer_write_element_string(writer
,
1033 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
1038 /* Close function_attributes and attributes */
1039 ret
= mi_lttng_close_multi_element(writer
, 2);
1045 int mi_lttng_events_open(struct mi_writer
*writer
)
1047 return mi_lttng_writer_open_element(writer
, config_element_events
);
1051 int mi_lttng_event(struct mi_writer
*writer
,
1052 struct lttng_event
*event
, int is_open
, enum lttng_domain_type domain
)
1056 ret
= mi_lttng_event_common_attributes(writer
, event
);
1061 switch (event
->type
) {
1062 case LTTNG_EVENT_TRACEPOINT
:
1064 if (event
->loglevel
!= -1) {
1065 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
, domain
);
1067 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
1071 case LTTNG_EVENT_FUNCTION
:
1073 case LTTNG_EVENT_PROBE
:
1074 ret
= mi_lttng_event_function_probe(writer
, event
);
1076 case LTTNG_EVENT_FUNCTION_ENTRY
:
1077 ret
= mi_lttng_event_function_entry(writer
, event
);
1079 case LTTNG_EVENT_ALL
:
1086 ret
= mi_lttng_writer_close_element(writer
);
1094 int mi_lttng_pids_open(struct mi_writer
*writer
)
1096 return mi_lttng_writer_open_element(writer
, mi_lttng_element_pids
);
1100 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *cmdline
,
1105 /* Open element pid */
1106 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_pid
);
1111 /* Writing pid number */
1112 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1113 mi_lttng_element_pid_id
, (int)pid
);
1118 /* Writing name of the process */
1119 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1127 ret
= mi_lttng_writer_close_element(writer
);
1135 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1137 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1141 int mi_lttng_event_field(struct mi_writer
*writer
,
1142 struct lttng_event_field
*field
)
1146 if (!field
->field_name
[0]) {
1152 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1157 if (!field
->field_name
[0]) {
1162 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1169 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1170 mi_lttng_eventfieldtype_string(field
->type
));
1176 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1177 mi_lttng_element_nowrite
, field
->nowrite
);
1183 /* Close field element */
1184 ret
= mi_lttng_writer_close_element(writer
);
1191 int mi_lttng_calibrate(struct mi_writer
*writer
,
1192 struct lttng_calibrate
*calibrate
)
1196 /* Open calibrate element */
1197 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1202 /* Calibration type */
1203 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1204 mi_lttng_calibratetype_string(calibrate
->type
));
1209 /* Closing calibrate element */
1210 ret
= mi_lttng_writer_close_element(writer
);
1215 int mi_lttng_context(struct mi_writer
*writer
,
1216 struct lttng_event_context
*context
, int is_open
)
1219 const char *type_string
;
1220 struct lttng_event_perf_counter_ctx
*perf_context
;
1222 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1227 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1229 ret
= -LTTNG_ERR_INVALID
;
1233 /* Print context type */
1234 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1237 /* Special case for PERF_*_COUNTER
1238 * print the lttng_event_perf_counter_ctx*/
1239 switch (context
->ctx
) {
1240 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1241 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1242 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1243 perf_context
= &context
->u
.perf_counter
;
1244 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1255 ret
= mi_lttng_writer_close_element(writer
);
1263 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1264 struct lttng_event_perf_counter_ctx
*perf_context
)
1268 /* Open perf_counter_context */
1269 ret
= mi_lttng_writer_open_element(writer
,
1270 mi_lttng_element_perf_counter_context
);
1276 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1277 config_element_type
, perf_context
->type
);
1283 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1284 config_element_config
, perf_context
->config
);
1289 /* Name of the perf counter */
1290 ret
= mi_lttng_writer_write_element_string(writer
,
1291 config_element_name
, perf_context
->name
);
1296 /* Close perf_counter_context */
1297 ret
= mi_lttng_writer_close_element(writer
);
1303 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1304 const char *session_name
)
1308 /* Open session element */
1309 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
1314 /* Snapshot output list for current session name */
1315 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1318 /* Open element snapshots (sequence one snapshot) */
1319 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
1329 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
1330 struct lttng_snapshot_output
*output
)
1334 /* Open element snapshot output */
1335 ret
= mi_lttng_writer_open_element(writer
,
1336 mi_lttng_element_command_snapshot
);
1341 /* ID of the snapshot output */
1342 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1343 mi_lttng_element_id
, output
->id
);
1348 /* Name of the output */
1349 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1355 /* Destination of the output (ctrl_url)*/
1356 ret
= mi_lttng_writer_write_element_string(writer
,
1357 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1362 /* Destination of the output (data_url) */
1363 ret
= mi_lttng_writer_write_element_string(writer
,
1364 mi_lttng_element_snapshot_data_url
, output
->data_url
);
1369 /* total size of all stream combined */
1370 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1371 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1376 /* Close snapshot output element */
1377 ret
= mi_lttng_writer_close_element(writer
);
1384 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
1385 const char *name
, const char *current_session_name
)
1389 /* Open element del_snapshot */
1390 ret
= mi_lttng_writer_open_element(writer
,
1391 mi_lttng_element_command_snapshot
);
1397 if (id
!= UINT32_MAX
) {
1398 /* "Snapshot output "id" successfully deleted
1399 * for "current_session_name"
1400 * ID of the snapshot output
1402 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1403 mi_lttng_element_id
, id
);
1408 /* "Snapshot output "name" successfully deleted
1409 * for session "current_session_name"
1410 * Name of the output
1412 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1419 /* Snapshot was deleted for session "current_session_name"*/
1420 ret
= mi_lttng_writer_write_element_string(writer
,
1421 mi_lttng_element_snapshot_session_name
,
1422 current_session_name
);
1427 /* Close snapshot element */
1428 ret
= mi_lttng_writer_close_element(writer
);
1435 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
1436 const char *current_session_name
, const char *n_ptr
,
1437 struct lttng_snapshot_output
*output
)
1441 /* Open element snapshot */
1442 ret
= mi_lttng_writer_open_element(writer
,
1443 mi_lttng_element_command_snapshot
);
1448 /* Snapshot output id */
1449 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1450 mi_lttng_element_id
, output
->id
);
1455 /* Snapshot output names */
1456 ret
= mi_lttng_writer_write_element_string(writer
,
1457 config_element_name
, n_ptr
);
1462 /* Destination of the output (ctrl_url)*/
1463 ret
= mi_lttng_writer_write_element_string(writer
,
1464 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1469 /* Snapshot added for session "current_session_name"*/
1470 ret
= mi_lttng_writer_write_element_string(writer
,
1471 mi_lttng_element_snapshot_session_name
, current_session_name
);
1476 /* total size of all stream combined */
1477 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1478 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1483 /* Close snapshot element */
1484 ret
= mi_lttng_writer_close_element(writer
);
1491 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
1492 const char *current_session_name
, const char *url
,
1493 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
1497 /* Open element snapshot */
1498 ret
= mi_lttng_writer_open_element(writer
,
1499 mi_lttng_element_command_snapshot
);
1505 * If a valid an URL was given, serialize it,
1506 * else take the command line data and ctrl urls*/
1508 /* Destination of the output (ctrl_url)*/
1509 ret
= mi_lttng_writer_write_element_string(writer
,
1510 mi_lttng_element_snapshot_ctrl_url
, url
);
1514 } else if (cmdline_ctrl_url
) {
1515 /* Destination of the output (ctrl_url)*/
1516 ret
= mi_lttng_writer_write_element_string(writer
,
1517 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
1522 /* Destination of the output (data_url) */
1523 ret
= mi_lttng_writer_write_element_string(writer
,
1524 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
1530 /* Close record_snapshot element */
1531 ret
= mi_lttng_writer_close_element(writer
);