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_processes
= "processes";
82 const char * const mi_lttng_element_process
= "process";
83 const char * const mi_lttng_element_pid_id
= "id";
85 /* Strings related to save command */
86 const char * const mi_lttng_element_save
= "save";
88 /* Strings related to load command */
89 const char * const mi_lttng_element_load
= "load";
91 /* General elements of mi_lttng */
92 const char * const mi_lttng_element_empty
= "";
93 const char * const mi_lttng_element_id
= "id";
94 const char * const mi_lttng_element_nowrite
= "nowrite";
95 const char * const mi_lttng_element_success
= "success";
96 const char * const mi_lttng_element_type_enum
= "ENUM";
97 const char * const mi_lttng_element_type_float
= "FLOAT";
98 const char * const mi_lttng_element_type_integer
= "INTEGER";
99 const char * const mi_lttng_element_type_other
= "OTHER";
100 const char * const mi_lttng_element_type_string
= "STRING";
102 /* String related to loglevel */
103 const char * const mi_lttng_loglevel_str_alert
= "TRACE_ALERT";
104 const char * const mi_lttng_loglevel_str_crit
= "TRACE_CRIT";
105 const char * const mi_lttng_loglevel_str_debug
= "TRACE_DEBUG";
106 const char * const mi_lttng_loglevel_str_debug_function
= "TRACE_DEBUG_FUNCTION";
107 const char * const mi_lttng_loglevel_str_debug_line
= "TRACE_DEBUG_LINE";
108 const char * const mi_lttng_loglevel_str_debug_module
= "TRACE_DEBUG_MODULE";
109 const char * const mi_lttng_loglevel_str_debug_process
= "TRACE_DEBUG_PROCESS";
110 const char * const mi_lttng_loglevel_str_debug_program
= "TRACE_DEBUG_PROGRAM";
111 const char * const mi_lttng_loglevel_str_debug_system
= "TRACE_DEBUG_SYSTEM";
112 const char * const mi_lttng_loglevel_str_debug_unit
= "TRACE_DEBUG_UNIT";
113 const char * const mi_lttng_loglevel_str_emerg
= "TRACE_EMERG";
114 const char * const mi_lttng_loglevel_str_err
= "TRACE_ERR";
115 const char * const mi_lttng_loglevel_str_info
= "TRACE_INFO";
116 const char * const mi_lttng_loglevel_str_notice
= "TRACE_NOTICE";
117 const char * const mi_lttng_loglevel_str_unknown
= "UNKNOWN";
118 const char * const mi_lttng_loglevel_str_warning
= "TRACE_WARNING";
120 /* String related to loglevel JUL */
121 const char * const mi_lttng_loglevel_str_jul_all
= "JUL_ALL";
122 const char * const mi_lttng_loglevel_str_jul_config
= "JUL_CONFIG";
123 const char * const mi_lttng_loglevel_str_jul_fine
= "JUL_FINE";
124 const char * const mi_lttng_loglevel_str_jul_finer
= "JUL_FINER";
125 const char * const mi_lttng_loglevel_str_jul_finest
= "JUL_FINEST";
126 const char * const mi_lttng_loglevel_str_jul_info
= "JUL_INFO";
127 const char * const mi_lttng_loglevel_str_jul_off
= "JUL_OFF";
128 const char * const mi_lttng_loglevel_str_jul_severe
= "JUL_SEVERE";
129 const char * const mi_lttng_loglevel_str_jul_warning
= "JUL_WARNING";
131 /* String related to loglevel LOG4J */
132 const char * const mi_lttng_loglevel_str_log4j_off
= "LOG4J_OFF";
133 const char * const mi_lttng_loglevel_str_log4j_fatal
= "LOG4J_FATAL";
134 const char * const mi_lttng_loglevel_str_log4j_error
= "LOG4J_ERROR";
135 const char * const mi_lttng_loglevel_str_log4j_warn
= "LOG4J_WARN";
136 const char * const mi_lttng_loglevel_str_log4j_info
= "LOG4J_INFO";
137 const char * const mi_lttng_loglevel_str_log4j_debug
= "LOG4J_DEBUG";
138 const char * const mi_lttng_loglevel_str_log4j_trace
= "LOG4J_TRACE";
139 const char * const mi_lttng_loglevel_str_log4j_all
= "LOG4J_ALL";
141 /* String related to loglevel Python */
142 const char * const mi_lttng_loglevel_str_python_critical
= "PYTHON_CRITICAL";
143 const char * const mi_lttng_loglevel_str_python_error
= "PYTHON_ERROR";
144 const char * const mi_lttng_loglevel_str_python_warning
= "PYTHON_WARNING";
145 const char * const mi_lttng_loglevel_str_python_info
= "PYTHON_INFO";
146 const char * const mi_lttng_loglevel_str_python_debug
= "PYTHON_DEBUG";
147 const char * const mi_lttng_loglevel_str_python_notset
= "PYTHON_NOTSET";
149 /* String related to loglevel type */
150 const char * const mi_lttng_loglevel_type_all
= "ALL";
151 const char * const mi_lttng_loglevel_type_range
= "RANGE";
152 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
153 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
155 /* String related to lttng_calibrate */
156 const char * const mi_lttng_element_calibrate
= "calibrate";
157 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
159 /* String related to a lttng_snapshot_output */
160 const char * const mi_lttng_element_snapshot_ctrl_url
= "ctrl_url";
161 const char * const mi_lttng_element_snapshot_data_url
= "data_url";
162 const char * const mi_lttng_element_snapshot_max_size
= "max_size";
163 const char * const mi_lttng_element_snapshot_n_ptr
= "n_ptr";
164 const char * const mi_lttng_element_snapshot_session_name
= "session_name";
165 const char * const mi_lttng_element_snapshots
= "snapshots";
167 /* String related to track/untrack command */
168 const char * const mi_lttng_element_track_untrack_targets
= "targets";
169 const char * const mi_lttng_element_track_untrack_pid_target
= "pid_target";
170 const char * const mi_lttng_element_track_untrack_all_wildcard
= "*";
173 /* This is a merge of jul loglevel and regular loglevel
174 * Those should never overlap by definition
175 * (see struct lttng_event loglevel)
178 const char *mi_lttng_loglevel_string(int value
, enum lttng_domain_type domain
)
181 case LTTNG_DOMAIN_KERNEL
:
182 case LTTNG_DOMAIN_UST
:
185 return mi_lttng_element_empty
;
186 case LTTNG_LOGLEVEL_EMERG
:
187 return mi_lttng_loglevel_str_emerg
;
188 case LTTNG_LOGLEVEL_ALERT
:
189 return mi_lttng_loglevel_str_alert
;
190 case LTTNG_LOGLEVEL_CRIT
:
191 return mi_lttng_loglevel_str_crit
;
192 case LTTNG_LOGLEVEL_ERR
:
193 return mi_lttng_loglevel_str_err
;
194 case LTTNG_LOGLEVEL_WARNING
:
195 return mi_lttng_loglevel_str_warning
;
196 case LTTNG_LOGLEVEL_NOTICE
:
197 return mi_lttng_loglevel_str_notice
;
198 case LTTNG_LOGLEVEL_INFO
:
199 return mi_lttng_loglevel_str_info
;
200 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
201 return mi_lttng_loglevel_str_debug_system
;
202 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
203 return mi_lttng_loglevel_str_debug_program
;
204 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
205 return mi_lttng_loglevel_str_debug_process
;
206 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
207 return mi_lttng_loglevel_str_debug_module
;
208 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
209 return mi_lttng_loglevel_str_debug_unit
;
210 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
211 return mi_lttng_loglevel_str_debug_function
;
212 case LTTNG_LOGLEVEL_DEBUG_LINE
:
213 return mi_lttng_loglevel_str_debug_line
;
214 case LTTNG_LOGLEVEL_DEBUG
:
215 return mi_lttng_loglevel_str_debug
;
217 return mi_lttng_loglevel_str_unknown
;
220 case LTTNG_DOMAIN_LOG4J
:
223 return mi_lttng_element_empty
;
224 case LTTNG_LOGLEVEL_LOG4J_OFF
:
225 return mi_lttng_loglevel_str_log4j_off
;
226 case LTTNG_LOGLEVEL_LOG4J_FATAL
:
227 return mi_lttng_loglevel_str_log4j_fatal
;
228 case LTTNG_LOGLEVEL_LOG4J_ERROR
:
229 return mi_lttng_loglevel_str_log4j_error
;
230 case LTTNG_LOGLEVEL_LOG4J_WARN
:
231 return mi_lttng_loglevel_str_log4j_warn
;
232 case LTTNG_LOGLEVEL_LOG4J_INFO
:
233 return mi_lttng_loglevel_str_log4j_info
;
234 case LTTNG_LOGLEVEL_LOG4J_DEBUG
:
235 return mi_lttng_loglevel_str_log4j_debug
;
236 case LTTNG_LOGLEVEL_LOG4J_TRACE
:
237 return mi_lttng_loglevel_str_log4j_trace
;
238 case LTTNG_LOGLEVEL_LOG4J_ALL
:
239 return mi_lttng_loglevel_str_log4j_all
;
241 return mi_lttng_loglevel_str_unknown
;
244 case LTTNG_DOMAIN_JUL
:
247 return mi_lttng_element_empty
;
248 case LTTNG_LOGLEVEL_JUL_OFF
:
249 return mi_lttng_loglevel_str_jul_off
;
250 case LTTNG_LOGLEVEL_JUL_SEVERE
:
251 return mi_lttng_loglevel_str_jul_severe
;
252 case LTTNG_LOGLEVEL_JUL_WARNING
:
253 return mi_lttng_loglevel_str_jul_warning
;
254 case LTTNG_LOGLEVEL_JUL_INFO
:
255 return mi_lttng_loglevel_str_jul_info
;
256 case LTTNG_LOGLEVEL_JUL_CONFIG
:
257 return mi_lttng_loglevel_str_jul_config
;
258 case LTTNG_LOGLEVEL_JUL_FINE
:
259 return mi_lttng_loglevel_str_jul_fine
;
260 case LTTNG_LOGLEVEL_JUL_FINER
:
261 return mi_lttng_loglevel_str_jul_finer
;
262 case LTTNG_LOGLEVEL_JUL_FINEST
:
263 return mi_lttng_loglevel_str_jul_finest
;
264 case LTTNG_LOGLEVEL_JUL_ALL
:
265 return mi_lttng_loglevel_str_jul_all
;
267 return mi_lttng_loglevel_str_unknown
;
270 case LTTNG_DOMAIN_PYTHON
:
272 case LTTNG_LOGLEVEL_PYTHON_CRITICAL
:
273 return mi_lttng_loglevel_str_python_critical
;
274 case LTTNG_LOGLEVEL_PYTHON_ERROR
:
275 return mi_lttng_loglevel_str_python_error
;
276 case LTTNG_LOGLEVEL_PYTHON_WARNING
:
277 return mi_lttng_loglevel_str_python_warning
;
278 case LTTNG_LOGLEVEL_PYTHON_INFO
:
279 return mi_lttng_loglevel_str_python_info
;
280 case LTTNG_LOGLEVEL_PYTHON_DEBUG
:
281 return mi_lttng_loglevel_str_python_debug
;
282 case LTTNG_LOGLEVEL_PYTHON_NOTSET
:
283 return mi_lttng_loglevel_str_python_notset
;
285 return mi_lttng_loglevel_str_unknown
;
290 /* Reaching this means the domain is unknown. */
291 return mi_lttng_loglevel_str_unknown
;
295 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
298 case LTTNG_EVENT_LOGLEVEL_ALL
:
299 return mi_lttng_loglevel_type_all
;
300 case LTTNG_EVENT_LOGLEVEL_RANGE
:
301 return mi_lttng_loglevel_type_range
;
302 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
303 return mi_lttng_loglevel_type_single
;
305 return mi_lttng_loglevel_type_unknown
;
310 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
313 case LTTNG_EVENT_ALL
:
314 return config_event_type_all
;
315 case LTTNG_EVENT_TRACEPOINT
:
316 return config_event_type_tracepoint
;
317 case LTTNG_EVENT_PROBE
:
318 return config_event_type_probe
;
319 case LTTNG_EVENT_FUNCTION
:
320 return config_event_type_function
;
321 case LTTNG_EVENT_FUNCTION_ENTRY
:
322 return config_event_type_function_entry
;
323 case LTTNG_EVENT_SYSCALL
:
324 return config_event_type_syscall
;
325 case LTTNG_EVENT_NOOP
:
326 return config_event_type_noop
;
328 return mi_lttng_element_empty
;
333 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
336 case LTTNG_EVENT_CONTEXT_PID
:
337 return config_event_context_pid
;
338 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
339 return mi_lttng_context_type_perf_counter
;
340 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
341 return mi_lttng_context_type_perf_thread_counter
;
342 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
343 return mi_lttng_context_type_perf_cpu_counter
;
344 case LTTNG_EVENT_CONTEXT_PROCNAME
:
345 return config_event_context_procname
;
346 case LTTNG_EVENT_CONTEXT_PRIO
:
347 return config_event_context_prio
;
348 case LTTNG_EVENT_CONTEXT_NICE
:
349 return config_event_context_nice
;
350 case LTTNG_EVENT_CONTEXT_VPID
:
351 return config_event_context_vpid
;
352 case LTTNG_EVENT_CONTEXT_TID
:
353 return config_event_context_tid
;
354 case LTTNG_EVENT_CONTEXT_VTID
:
355 return config_event_context_vtid
;
356 case LTTNG_EVENT_CONTEXT_PPID
:
357 return config_event_context_ppid
;
358 case LTTNG_EVENT_CONTEXT_VPPID
:
359 return config_event_context_vppid
;
360 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
361 return config_event_context_pthread_id
;
362 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
363 return config_event_context_hostname
;
364 case LTTNG_EVENT_CONTEXT_IP
:
365 return config_event_context_ip
;
372 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
375 case(LTTNG_EVENT_FIELD_INTEGER
):
376 return mi_lttng_element_type_integer
;
377 case(LTTNG_EVENT_FIELD_ENUM
):
378 return mi_lttng_element_type_enum
;
379 case(LTTNG_EVENT_FIELD_FLOAT
):
380 return mi_lttng_element_type_float
;
381 case(LTTNG_EVENT_FIELD_STRING
):
382 return mi_lttng_element_type_string
;
384 return mi_lttng_element_type_other
;
389 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
391 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
393 case LTTNG_DOMAIN_KERNEL
:
394 return config_domain_type_kernel
;
395 case LTTNG_DOMAIN_UST
:
396 return config_domain_type_ust
;
397 case LTTNG_DOMAIN_JUL
:
398 return config_domain_type_jul
;
399 case LTTNG_DOMAIN_LOG4J
:
400 return config_domain_type_log4j
;
401 case LTTNG_DOMAIN_PYTHON
:
402 return config_domain_type_python
;
404 /* Should not have an unknown domain */
410 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
413 case LTTNG_BUFFER_PER_PID
:
414 return config_buffer_type_per_pid
;
415 case LTTNG_BUFFER_PER_UID
:
416 return config_buffer_type_per_uid
;
417 case LTTNG_BUFFER_GLOBAL
:
418 return config_buffer_type_global
;
420 /* Should not have an unknow buffer type */
426 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
431 case LTTNG_CALIBRATE_FUNCTION
:
432 ret
= mi_lttng_element_calibrate_function
;
435 ret
= mi_lttng_element_empty
;
442 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
444 struct mi_writer
*mi_writer
;
446 mi_writer
= zmalloc(sizeof(struct mi_writer
));
448 PERROR("zmalloc mi_writer_create");
451 if (mi_output_type
== LTTNG_MI_XML
) {
452 mi_writer
->writer
= config_writer_create(fd_output
, 0);
453 if (!mi_writer
->writer
) {
456 mi_writer
->type
= LTTNG_MI_XML
;
470 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
479 ret
= config_writer_destroy(writer
->writer
);
490 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
494 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
498 ret
= mi_lttng_writer_write_element_string(writer
,
499 mi_lttng_element_command_name
, command
);
505 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
507 return mi_lttng_writer_close_element(writer
);
511 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
512 const char *element_name
)
514 return config_writer_open_element(writer
->writer
, element_name
);
518 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
520 return config_writer_close_element(writer
->writer
);
524 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
525 unsigned int nb_element
)
529 if (nb_element
< 1) {
533 for (i
= 0; i
< nb_element
; i
++) {
534 ret
= mi_lttng_writer_close_element(writer
);
544 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
545 const char *element_name
, uint64_t value
)
547 return config_writer_write_element_unsigned_int(writer
->writer
,
548 element_name
, value
);
552 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
553 const char *element_name
, int64_t value
)
555 return config_writer_write_element_signed_int(writer
->writer
,
556 element_name
, value
);
560 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
561 const char *element_name
, int value
)
563 return config_writer_write_element_bool(writer
->writer
,
564 element_name
, value
);
568 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
569 const char *element_name
, const char *value
)
571 return config_writer_write_element_string(writer
->writer
,
572 element_name
, value
);
576 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
577 const char *lttng_description
, const char *lttng_license
)
582 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
587 /* Version string (contain info like rc etc.) */
588 ret
= mi_lttng_writer_write_element_string(writer
,
589 mi_lttng_element_version_str
, version
->version
);
594 /* Major version number */
595 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
596 mi_lttng_element_version_major
, version
->version_major
);
601 /* Minor version number */
602 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
603 mi_lttng_element_version_minor
, version
->version_minor
);
608 /* Commit version number */
609 ret
= mi_lttng_writer_write_element_string(writer
,
610 mi_lttng_element_version_commit
, version
->version_commit
);
616 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
617 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
622 /* Name of the version */
623 ret
= mi_lttng_writer_write_element_string(writer
,
624 config_element_name
, version
->version_name
);
629 /* Description mostly related to beer... */
630 ret
= mi_lttng_writer_write_element_string(writer
,
631 mi_lttng_element_version_description
, lttng_description
);
637 ret
= mi_lttng_writer_write_element_string(writer
,
638 mi_lttng_element_version_web
, version
->package_url
);
643 /* License: free as in free beer...no...*speech* */
644 ret
= mi_lttng_writer_write_element_string(writer
,
645 mi_lttng_element_version_license
, lttng_license
);
650 /* Close version element */
651 ret
= mi_lttng_writer_close_element(writer
);
658 int mi_lttng_sessions_open(struct mi_writer
*writer
)
660 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
664 int mi_lttng_session(struct mi_writer
*writer
,
665 struct lttng_session
*session
, int is_open
)
671 /* Open sessions element */
672 ret
= mi_lttng_writer_open_element(writer
,
673 config_element_session
);
678 /* Name of the session */
679 ret
= mi_lttng_writer_write_element_string(writer
,
680 config_element_name
, session
->name
);
686 ret
= mi_lttng_writer_write_element_string(writer
,
687 config_element_path
, session
->path
);
693 ret
= mi_lttng_writer_write_element_bool(writer
,
694 config_element_enabled
, session
->enabled
);
700 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
701 config_element_snapshot_mode
, session
->snapshot_mode
);
706 /* Live timer interval in usec */
707 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
708 config_element_live_timer_interval
,
709 session
->live_timer_interval
);
715 /* Closing session element */
716 ret
= mi_lttng_writer_close_element(writer
);
724 int mi_lttng_domains_open(struct mi_writer
*writer
)
726 return mi_lttng_writer_open_element(writer
, config_element_domains
);
730 int mi_lttng_domain(struct mi_writer
*writer
,
731 struct lttng_domain
*domain
, int is_open
)
734 const char *str_domain
;
735 const char *str_buffer
;
739 /* Open domain element */
740 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
746 str_domain
= mi_lttng_domaintype_string(domain
->type
);
747 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
754 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
755 ret
= mi_lttng_writer_write_element_string(writer
,
756 config_element_buffer_type
, str_buffer
);
762 * This union is not currently used and was added for
763 * future ust domain support.
768 /* Closing domain element */
769 ret
= mi_lttng_writer_close_element(writer
);
778 int mi_lttng_channels_open(struct mi_writer
*writer
)
780 return mi_lttng_writer_open_element(writer
, config_element_channels
);
784 int mi_lttng_channel(struct mi_writer
*writer
,
785 struct lttng_channel
*channel
, int is_open
)
791 /* Opening channel element */
792 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
798 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
805 ret
= mi_lttng_writer_write_element_bool(writer
,
806 config_element_enabled
, channel
->enabled
);
812 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
818 /* Closing channel element */
819 ret
= mi_lttng_writer_close_element(writer
);
829 int mi_lttng_channel_attr(struct mi_writer
*writer
,
830 struct lttng_channel_attr
*attr
)
836 /* Opening Attributes */
837 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
843 ret
= mi_lttng_writer_write_element_string(writer
,
844 config_element_overwrite_mode
,
845 attr
->overwrite
? config_overwrite_mode_overwrite
:
846 config_overwrite_mode_discard
);
851 /* Sub buffer size in byte */
852 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
853 config_element_subbuf_size
, attr
->subbuf_size
);
858 /* Number of subbuffer (power of two) */
859 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
860 config_element_num_subbuf
,
866 /* Switch timer interval in usec */
867 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
868 config_element_switch_timer_interval
,
869 attr
->switch_timer_interval
);
874 /* Read timer interval in usec */
875 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
876 config_element_read_timer_interval
,
877 attr
->read_timer_interval
);
883 ret
= mi_lttng_writer_write_element_string(writer
,
884 config_element_output_type
,
885 attr
->output
== LTTNG_EVENT_SPLICE
?
886 config_output_type_splice
: config_output_type_mmap
);
891 /* Tracefile size in bytes */
892 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
893 config_element_tracefile_size
, attr
->tracefile_size
);
898 /* Count of tracefiles */
899 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
900 config_element_tracefile_count
,
901 attr
->tracefile_count
);
906 /* Live timer interval in usec*/
907 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
908 config_element_live_timer_interval
,
909 attr
->live_timer_interval
);
914 /* Closing attributes */
915 ret
= mi_lttng_writer_close_element(writer
);
925 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
926 struct lttng_event
*event
)
930 /* Open event element */
931 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
937 ret
= mi_lttng_writer_write_element_string(writer
,
938 config_element_name
, event
->name
);
944 ret
= mi_lttng_writer_write_element_string(writer
,
945 config_element_type
, mi_lttng_eventtype_string(event
->type
));
950 /* Is event enabled */
951 ret
= mi_lttng_writer_write_element_bool(writer
,
952 config_element_enabled
, event
->enabled
);
957 /* Event filter enabled? */
958 ret
= mi_lttng_writer_write_element_bool(writer
,
959 config_element_filter
, event
->filter
);
966 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
967 struct lttng_event
*event
, enum lttng_domain_type domain
)
972 ret
= mi_lttng_writer_write_element_string(writer
,
973 config_element_loglevel
,
974 mi_lttng_loglevel_string(event
->loglevel
, domain
));
980 ret
= mi_lttng_writer_write_element_string(writer
,
981 config_element_loglevel_type
,
982 mi_lttng_logleveltype_string(event
->loglevel_type
));
987 /* event exclusion filter */
988 ret
= mi_lttng_writer_write_element_bool(writer
,
989 config_element_exclusion
, event
->exclusion
);
999 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
1000 struct lttng_event
*event
)
1002 /* event exclusion filter */
1003 return mi_lttng_writer_write_element_bool(writer
,
1004 config_element_exclusion
, event
->exclusion
);
1008 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
1009 struct lttng_event
*event
)
1013 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1018 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1023 if (event
->attr
.probe
.addr
!= 0) {
1024 /* event probe address */
1025 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1026 config_element_address
, event
->attr
.probe
.addr
);
1031 /* event probe offset */
1032 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1033 config_element_offset
, event
->attr
.probe
.offset
);
1038 /* event probe symbol_name */
1039 ret
= mi_lttng_writer_write_element_string(writer
,
1040 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
1046 /* Close probe_attributes and attributes */
1047 ret
= mi_lttng_close_multi_element(writer
, 2);
1053 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
1054 struct lttng_event
*event
)
1058 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1063 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1068 /* event probe symbol_name */
1069 ret
= mi_lttng_writer_write_element_string(writer
,
1070 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
1075 /* Close function_attributes and attributes */
1076 ret
= mi_lttng_close_multi_element(writer
, 2);
1082 int mi_lttng_events_open(struct mi_writer
*writer
)
1084 return mi_lttng_writer_open_element(writer
, config_element_events
);
1088 int mi_lttng_event(struct mi_writer
*writer
,
1089 struct lttng_event
*event
, int is_open
, enum lttng_domain_type domain
)
1093 ret
= mi_lttng_event_common_attributes(writer
, event
);
1098 switch (event
->type
) {
1099 case LTTNG_EVENT_TRACEPOINT
:
1101 if (event
->loglevel
!= -1) {
1102 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
, domain
);
1104 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
1108 case LTTNG_EVENT_FUNCTION
:
1110 case LTTNG_EVENT_PROBE
:
1111 ret
= mi_lttng_event_function_probe(writer
, event
);
1113 case LTTNG_EVENT_FUNCTION_ENTRY
:
1114 ret
= mi_lttng_event_function_entry(writer
, event
);
1116 case LTTNG_EVENT_ALL
:
1123 ret
= mi_lttng_writer_close_element(writer
);
1131 int mi_lttng_trackers_open(struct mi_writer
*writer
)
1133 return mi_lttng_writer_open_element(writer
, config_element_trackers
);
1137 int mi_lttng_pid_tracker_open(struct mi_writer
*writer
)
1141 /* Open element pid_tracker */
1142 ret
= mi_lttng_writer_open_element(writer
, config_element_pid_tracker
);
1147 /* Open targets element */
1148 ret
= mi_lttng_targets_open(writer
);
1154 int mi_lttng_pids_open(struct mi_writer
*writer
)
1156 return mi_lttng_writer_open_element(writer
, config_element_pids
);
1160 int mi_lttng_processes_open(struct mi_writer
*writer
)
1162 return mi_lttng_writer_open_element(writer
, mi_lttng_element_processes
);
1166 int mi_lttng_process(struct mi_writer
*writer
, pid_t pid
, const char *name
,
1171 /* Open element process */
1172 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_process
);
1177 /* Writing pid number */
1178 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1179 config_element_pid
, (int)pid
);
1184 /* Writing name of the process */
1186 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1195 ret
= mi_lttng_writer_close_element(writer
);
1203 int mi_lttng_targets_open(struct mi_writer
*writer
)
1205 return mi_lttng_writer_open_element(writer
,
1206 mi_lttng_element_track_untrack_targets
);
1210 int mi_lttng_pid_target(struct mi_writer
*writer
, pid_t pid
, int is_open
)
1214 ret
= mi_lttng_writer_open_element(writer
,
1215 mi_lttng_element_track_untrack_pid_target
);
1220 /* Writing pid number
1221 * Special case for element all on track untrack command
1222 * All pid is represented as wildcard *
1224 if ((int) pid
== -1) {
1225 ret
= mi_lttng_writer_write_element_string(writer
,
1227 mi_lttng_element_track_untrack_all_wildcard
);
1229 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1230 config_element_pid
, (int) pid
);
1237 ret
= mi_lttng_writer_close_element(writer
);
1248 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1250 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1254 int mi_lttng_event_field(struct mi_writer
*writer
,
1255 struct lttng_event_field
*field
)
1259 if (!field
->field_name
[0]) {
1265 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1270 if (!field
->field_name
[0]) {
1275 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1282 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1283 mi_lttng_eventfieldtype_string(field
->type
));
1289 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1290 mi_lttng_element_nowrite
, field
->nowrite
);
1296 /* Close field element */
1297 ret
= mi_lttng_writer_close_element(writer
);
1304 int mi_lttng_calibrate(struct mi_writer
*writer
,
1305 struct lttng_calibrate
*calibrate
)
1309 /* Open calibrate element */
1310 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1315 /* Calibration type */
1316 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1317 mi_lttng_calibratetype_string(calibrate
->type
));
1322 /* Closing calibrate element */
1323 ret
= mi_lttng_writer_close_element(writer
);
1329 int mi_lttng_context(struct mi_writer
*writer
,
1330 struct lttng_event_context
*context
, int is_open
)
1333 const char *type_string
;
1334 struct lttng_event_perf_counter_ctx
*perf_context
;
1336 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1341 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1343 ret
= -LTTNG_ERR_INVALID
;
1347 /* Print context type */
1348 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1351 /* Special case for PERF_*_COUNTER
1352 * print the lttng_event_perf_counter_ctx*/
1353 switch (context
->ctx
) {
1354 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1355 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1356 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1357 perf_context
= &context
->u
.perf_counter
;
1358 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1369 ret
= mi_lttng_writer_close_element(writer
);
1377 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1378 struct lttng_event_perf_counter_ctx
*perf_context
)
1382 /* Open perf_counter_context */
1383 ret
= mi_lttng_writer_open_element(writer
,
1384 mi_lttng_element_perf_counter_context
);
1390 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1391 config_element_type
, perf_context
->type
);
1397 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1398 config_element_config
, perf_context
->config
);
1403 /* Name of the perf counter */
1404 ret
= mi_lttng_writer_write_element_string(writer
,
1405 config_element_name
, perf_context
->name
);
1410 /* Close perf_counter_context */
1411 ret
= mi_lttng_writer_close_element(writer
);
1417 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1418 const char *session_name
)
1422 /* Open session element */
1423 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
1428 /* Snapshot output list for current session name */
1429 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1435 /* Open element snapshots (sequence one snapshot) */
1436 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
1446 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
1447 struct lttng_snapshot_output
*output
)
1451 /* Open element snapshot output */
1452 ret
= mi_lttng_writer_open_element(writer
,
1453 mi_lttng_element_command_snapshot
);
1458 /* ID of the snapshot output */
1459 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1460 mi_lttng_element_id
, output
->id
);
1465 /* Name of the output */
1466 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1472 /* Destination of the output (ctrl_url)*/
1473 ret
= mi_lttng_writer_write_element_string(writer
,
1474 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1479 /* Destination of the output (data_url) */
1480 ret
= mi_lttng_writer_write_element_string(writer
,
1481 mi_lttng_element_snapshot_data_url
, output
->data_url
);
1486 /* total size of all stream combined */
1487 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1488 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1493 /* Close snapshot output element */
1494 ret
= mi_lttng_writer_close_element(writer
);
1501 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
1502 const char *name
, const char *current_session_name
)
1506 /* Open element del_snapshot */
1507 ret
= mi_lttng_writer_open_element(writer
,
1508 mi_lttng_element_command_snapshot
);
1514 if (id
!= UINT32_MAX
) {
1515 /* "Snapshot output "id" successfully deleted
1516 * for "current_session_name"
1517 * ID of the snapshot output
1519 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1520 mi_lttng_element_id
, id
);
1525 /* "Snapshot output "name" successfully deleted
1526 * for session "current_session_name"
1527 * Name of the output
1529 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1536 /* Snapshot was deleted for session "current_session_name"*/
1537 ret
= mi_lttng_writer_write_element_string(writer
,
1538 mi_lttng_element_snapshot_session_name
,
1539 current_session_name
);
1544 /* Close snapshot element */
1545 ret
= mi_lttng_writer_close_element(writer
);
1552 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
1553 const char *current_session_name
, const char *n_ptr
,
1554 struct lttng_snapshot_output
*output
)
1558 /* Open element snapshot */
1559 ret
= mi_lttng_writer_open_element(writer
,
1560 mi_lttng_element_command_snapshot
);
1565 /* Snapshot output id */
1566 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1567 mi_lttng_element_id
, output
->id
);
1572 /* Snapshot output names */
1573 ret
= mi_lttng_writer_write_element_string(writer
,
1574 config_element_name
, n_ptr
);
1579 /* Destination of the output (ctrl_url)*/
1580 ret
= mi_lttng_writer_write_element_string(writer
,
1581 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1586 /* Snapshot added for session "current_session_name"*/
1587 ret
= mi_lttng_writer_write_element_string(writer
,
1588 mi_lttng_element_snapshot_session_name
, current_session_name
);
1593 /* total size of all stream combined */
1594 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1595 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1600 /* Close snapshot element */
1601 ret
= mi_lttng_writer_close_element(writer
);
1608 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
1609 const char *current_session_name
, const char *url
,
1610 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
1614 /* Open element snapshot */
1615 ret
= mi_lttng_writer_open_element(writer
,
1616 mi_lttng_element_command_snapshot
);
1622 * If a valid an URL was given, serialize it,
1623 * else take the command line data and ctrl urls*/
1625 /* Destination of the output (ctrl_url)*/
1626 ret
= mi_lttng_writer_write_element_string(writer
,
1627 mi_lttng_element_snapshot_ctrl_url
, url
);
1631 } else if (cmdline_ctrl_url
) {
1632 /* Destination of the output (ctrl_url)*/
1633 ret
= mi_lttng_writer_write_element_string(writer
,
1634 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
1639 /* Destination of the output (data_url) */
1640 ret
= mi_lttng_writer_write_element_string(writer
,
1641 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
1647 /* Close record_snapshot element */
1648 ret
= mi_lttng_writer_close_element(writer
);