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_pids
= "pids";
82 const char * const mi_lttng_element_pid
= "pid";
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 /* This is a merge of jul loglevel and regular loglevel
168 * Those should never overlap by definition
169 * (see struct lttng_event loglevel)
172 const char *mi_lttng_loglevel_string(int value
, enum lttng_domain_type domain
)
175 case LTTNG_DOMAIN_KERNEL
:
176 case LTTNG_DOMAIN_UST
:
179 return mi_lttng_element_empty
;
180 case LTTNG_LOGLEVEL_EMERG
:
181 return mi_lttng_loglevel_str_emerg
;
182 case LTTNG_LOGLEVEL_ALERT
:
183 return mi_lttng_loglevel_str_alert
;
184 case LTTNG_LOGLEVEL_CRIT
:
185 return mi_lttng_loglevel_str_crit
;
186 case LTTNG_LOGLEVEL_ERR
:
187 return mi_lttng_loglevel_str_err
;
188 case LTTNG_LOGLEVEL_WARNING
:
189 return mi_lttng_loglevel_str_warning
;
190 case LTTNG_LOGLEVEL_NOTICE
:
191 return mi_lttng_loglevel_str_notice
;
192 case LTTNG_LOGLEVEL_INFO
:
193 return mi_lttng_loglevel_str_info
;
194 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
195 return mi_lttng_loglevel_str_debug_system
;
196 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
197 return mi_lttng_loglevel_str_debug_program
;
198 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
199 return mi_lttng_loglevel_str_debug_process
;
200 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
201 return mi_lttng_loglevel_str_debug_module
;
202 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
203 return mi_lttng_loglevel_str_debug_unit
;
204 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
205 return mi_lttng_loglevel_str_debug_function
;
206 case LTTNG_LOGLEVEL_DEBUG_LINE
:
207 return mi_lttng_loglevel_str_debug_line
;
208 case LTTNG_LOGLEVEL_DEBUG
:
209 return mi_lttng_loglevel_str_debug
;
211 return mi_lttng_loglevel_str_unknown
;
214 case LTTNG_DOMAIN_LOG4J
:
217 return mi_lttng_element_empty
;
218 case LTTNG_LOGLEVEL_LOG4J_OFF
:
219 return mi_lttng_loglevel_str_log4j_off
;
220 case LTTNG_LOGLEVEL_LOG4J_FATAL
:
221 return mi_lttng_loglevel_str_log4j_fatal
;
222 case LTTNG_LOGLEVEL_LOG4J_ERROR
:
223 return mi_lttng_loglevel_str_log4j_error
;
224 case LTTNG_LOGLEVEL_LOG4J_WARN
:
225 return mi_lttng_loglevel_str_log4j_warn
;
226 case LTTNG_LOGLEVEL_LOG4J_INFO
:
227 return mi_lttng_loglevel_str_log4j_info
;
228 case LTTNG_LOGLEVEL_LOG4J_DEBUG
:
229 return mi_lttng_loglevel_str_log4j_debug
;
230 case LTTNG_LOGLEVEL_LOG4J_TRACE
:
231 return mi_lttng_loglevel_str_log4j_trace
;
232 case LTTNG_LOGLEVEL_LOG4J_ALL
:
233 return mi_lttng_loglevel_str_log4j_all
;
235 return mi_lttng_loglevel_str_unknown
;
238 case LTTNG_DOMAIN_JUL
:
241 return mi_lttng_element_empty
;
242 case LTTNG_LOGLEVEL_JUL_OFF
:
243 return mi_lttng_loglevel_str_jul_off
;
244 case LTTNG_LOGLEVEL_JUL_SEVERE
:
245 return mi_lttng_loglevel_str_jul_severe
;
246 case LTTNG_LOGLEVEL_JUL_WARNING
:
247 return mi_lttng_loglevel_str_jul_warning
;
248 case LTTNG_LOGLEVEL_JUL_INFO
:
249 return mi_lttng_loglevel_str_jul_info
;
250 case LTTNG_LOGLEVEL_JUL_CONFIG
:
251 return mi_lttng_loglevel_str_jul_config
;
252 case LTTNG_LOGLEVEL_JUL_FINE
:
253 return mi_lttng_loglevel_str_jul_fine
;
254 case LTTNG_LOGLEVEL_JUL_FINER
:
255 return mi_lttng_loglevel_str_jul_finer
;
256 case LTTNG_LOGLEVEL_JUL_FINEST
:
257 return mi_lttng_loglevel_str_jul_finest
;
258 case LTTNG_LOGLEVEL_JUL_ALL
:
259 return mi_lttng_loglevel_str_jul_all
;
261 return mi_lttng_loglevel_str_unknown
;
264 case LTTNG_DOMAIN_PYTHON
:
266 case LTTNG_LOGLEVEL_PYTHON_CRITICAL
:
267 return mi_lttng_loglevel_str_python_critical
;
268 case LTTNG_LOGLEVEL_PYTHON_ERROR
:
269 return mi_lttng_loglevel_str_python_error
;
270 case LTTNG_LOGLEVEL_PYTHON_WARNING
:
271 return mi_lttng_loglevel_str_python_warning
;
272 case LTTNG_LOGLEVEL_PYTHON_INFO
:
273 return mi_lttng_loglevel_str_python_info
;
274 case LTTNG_LOGLEVEL_PYTHON_DEBUG
:
275 return mi_lttng_loglevel_str_python_debug
;
276 case LTTNG_LOGLEVEL_PYTHON_NOTSET
:
277 return mi_lttng_loglevel_str_python_notset
;
279 return mi_lttng_loglevel_str_unknown
;
284 /* Reaching this means the domain is unknown. */
285 return mi_lttng_loglevel_str_unknown
;
289 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
292 case LTTNG_EVENT_LOGLEVEL_ALL
:
293 return mi_lttng_loglevel_type_all
;
294 case LTTNG_EVENT_LOGLEVEL_RANGE
:
295 return mi_lttng_loglevel_type_range
;
296 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
297 return mi_lttng_loglevel_type_single
;
299 return mi_lttng_loglevel_type_unknown
;
304 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
307 case LTTNG_EVENT_ALL
:
308 return config_event_type_all
;
309 case LTTNG_EVENT_TRACEPOINT
:
310 return config_event_type_tracepoint
;
311 case LTTNG_EVENT_PROBE
:
312 return config_event_type_probe
;
313 case LTTNG_EVENT_FUNCTION
:
314 return config_event_type_function
;
315 case LTTNG_EVENT_FUNCTION_ENTRY
:
316 return config_event_type_function_entry
;
317 case LTTNG_EVENT_SYSCALL
:
318 return config_event_type_syscall
;
319 case LTTNG_EVENT_NOOP
:
320 return config_event_type_noop
;
322 return mi_lttng_element_empty
;
327 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
330 case LTTNG_EVENT_CONTEXT_PID
:
331 return config_event_context_pid
;
332 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
333 return mi_lttng_context_type_perf_counter
;
334 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
335 return mi_lttng_context_type_perf_thread_counter
;
336 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
337 return mi_lttng_context_type_perf_cpu_counter
;
338 case LTTNG_EVENT_CONTEXT_PROCNAME
:
339 return config_event_context_procname
;
340 case LTTNG_EVENT_CONTEXT_PRIO
:
341 return config_event_context_prio
;
342 case LTTNG_EVENT_CONTEXT_NICE
:
343 return config_event_context_nice
;
344 case LTTNG_EVENT_CONTEXT_VPID
:
345 return config_event_context_vpid
;
346 case LTTNG_EVENT_CONTEXT_TID
:
347 return config_event_context_tid
;
348 case LTTNG_EVENT_CONTEXT_VTID
:
349 return config_event_context_vtid
;
350 case LTTNG_EVENT_CONTEXT_PPID
:
351 return config_event_context_ppid
;
352 case LTTNG_EVENT_CONTEXT_VPPID
:
353 return config_event_context_vppid
;
354 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
355 return config_event_context_pthread_id
;
356 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
357 return config_event_context_hostname
;
358 case LTTNG_EVENT_CONTEXT_IP
:
359 return config_event_context_ip
;
366 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
369 case(LTTNG_EVENT_FIELD_INTEGER
):
370 return mi_lttng_element_type_integer
;
371 case(LTTNG_EVENT_FIELD_ENUM
):
372 return mi_lttng_element_type_enum
;
373 case(LTTNG_EVENT_FIELD_FLOAT
):
374 return mi_lttng_element_type_float
;
375 case(LTTNG_EVENT_FIELD_STRING
):
376 return mi_lttng_element_type_string
;
378 return mi_lttng_element_type_other
;
383 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
385 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
387 case LTTNG_DOMAIN_KERNEL
:
388 return config_domain_type_kernel
;
389 case LTTNG_DOMAIN_UST
:
390 return config_domain_type_ust
;
391 case LTTNG_DOMAIN_JUL
:
392 return config_domain_type_jul
;
393 case LTTNG_DOMAIN_LOG4J
:
394 return config_domain_type_log4j
;
396 /* Should not have an unknown domain */
402 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
405 case LTTNG_BUFFER_PER_PID
:
406 return config_buffer_type_per_pid
;
407 case LTTNG_BUFFER_PER_UID
:
408 return config_buffer_type_per_uid
;
409 case LTTNG_BUFFER_GLOBAL
:
410 return config_buffer_type_global
;
412 /* Should not have an unknow buffer type */
418 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
423 case LTTNG_CALIBRATE_FUNCTION
:
424 ret
= mi_lttng_element_calibrate_function
;
427 ret
= mi_lttng_element_empty
;
434 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
436 struct mi_writer
*mi_writer
;
438 mi_writer
= zmalloc(sizeof(struct mi_writer
));
440 PERROR("zmalloc mi_writer_create");
443 if (mi_output_type
== LTTNG_MI_XML
) {
444 mi_writer
->writer
= config_writer_create(fd_output
, 0);
445 if (!mi_writer
->writer
) {
448 mi_writer
->type
= LTTNG_MI_XML
;
462 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
471 ret
= config_writer_destroy(writer
->writer
);
482 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
486 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
490 ret
= mi_lttng_writer_write_element_string(writer
,
491 mi_lttng_element_command_name
, command
);
497 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
499 return mi_lttng_writer_close_element(writer
);
503 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
504 const char *element_name
)
506 return config_writer_open_element(writer
->writer
, element_name
);
510 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
512 return config_writer_close_element(writer
->writer
);
516 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
517 unsigned int nb_element
)
521 if (nb_element
< 1) {
525 for (i
= 0; i
< nb_element
; i
++) {
526 ret
= mi_lttng_writer_close_element(writer
);
536 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
537 const char *element_name
, uint64_t value
)
539 return config_writer_write_element_unsigned_int(writer
->writer
,
540 element_name
, value
);
544 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
545 const char *element_name
, int64_t value
)
547 return config_writer_write_element_signed_int(writer
->writer
,
548 element_name
, value
);
552 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
553 const char *element_name
, int value
)
555 return config_writer_write_element_bool(writer
->writer
,
556 element_name
, value
);
560 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
561 const char *element_name
, const char *value
)
563 return config_writer_write_element_string(writer
->writer
,
564 element_name
, value
);
568 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
569 const char *lttng_description
, const char *lttng_license
)
574 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
579 /* Version string (contain info like rc etc.) */
580 ret
= mi_lttng_writer_write_element_string(writer
,
581 mi_lttng_element_version_str
, version
->version
);
586 /* Major version number */
587 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
588 mi_lttng_element_version_major
, version
->version_major
);
593 /* Minor version number */
594 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
595 mi_lttng_element_version_minor
, version
->version_minor
);
600 /* Commit version number */
601 ret
= mi_lttng_writer_write_element_string(writer
,
602 mi_lttng_element_version_commit
, version
->version_commit
);
608 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
609 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
614 /* Name of the version */
615 ret
= mi_lttng_writer_write_element_string(writer
,
616 config_element_name
, version
->version_name
);
621 /* Description mostly related to beer... */
622 ret
= mi_lttng_writer_write_element_string(writer
,
623 mi_lttng_element_version_description
, lttng_description
);
629 ret
= mi_lttng_writer_write_element_string(writer
,
630 mi_lttng_element_version_web
, version
->package_url
);
635 /* License: free as in free beer...no...*speech* */
636 ret
= mi_lttng_writer_write_element_string(writer
,
637 mi_lttng_element_version_license
, lttng_license
);
642 /* Close version element */
643 ret
= mi_lttng_writer_close_element(writer
);
650 int mi_lttng_sessions_open(struct mi_writer
*writer
)
652 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
656 int mi_lttng_session(struct mi_writer
*writer
,
657 struct lttng_session
*session
, int is_open
)
663 /* Open sessions element */
664 ret
= mi_lttng_writer_open_element(writer
,
665 config_element_session
);
670 /* Name of the session */
671 ret
= mi_lttng_writer_write_element_string(writer
,
672 config_element_name
, session
->name
);
678 ret
= mi_lttng_writer_write_element_string(writer
,
679 config_element_path
, session
->path
);
685 ret
= mi_lttng_writer_write_element_bool(writer
,
686 config_element_enabled
, session
->enabled
);
692 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
693 config_element_snapshot_mode
, session
->snapshot_mode
);
698 /* Live timer interval in usec */
699 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
700 config_element_live_timer_interval
,
701 session
->live_timer_interval
);
707 /* Closing session element */
708 ret
= mi_lttng_writer_close_element(writer
);
716 int mi_lttng_domains_open(struct mi_writer
*writer
)
718 return mi_lttng_writer_open_element(writer
, config_element_domains
);
722 int mi_lttng_domain(struct mi_writer
*writer
,
723 struct lttng_domain
*domain
, int is_open
)
726 const char *str_domain
;
727 const char *str_buffer
;
731 /* Open domain element */
732 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
738 str_domain
= mi_lttng_domaintype_string(domain
->type
);
739 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
746 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
747 ret
= mi_lttng_writer_write_element_string(writer
,
748 config_element_buffer_type
, str_buffer
);
754 * This union is not currently used and was added for
755 * future ust domain support.
760 /* Closing domain element */
761 ret
= mi_lttng_writer_close_element(writer
);
770 int mi_lttng_channels_open(struct mi_writer
*writer
)
772 return mi_lttng_writer_open_element(writer
, config_element_channels
);
776 int mi_lttng_channel(struct mi_writer
*writer
,
777 struct lttng_channel
*channel
, int is_open
)
783 /* Opening channel element */
784 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
790 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
797 ret
= mi_lttng_writer_write_element_bool(writer
,
798 config_element_enabled
, channel
->enabled
);
804 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
810 /* Closing channel element */
811 ret
= mi_lttng_writer_close_element(writer
);
821 int mi_lttng_channel_attr(struct mi_writer
*writer
,
822 struct lttng_channel_attr
*attr
)
828 /* Opening Attributes */
829 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
835 ret
= mi_lttng_writer_write_element_string(writer
,
836 config_element_overwrite_mode
,
837 attr
->overwrite
? config_overwrite_mode_overwrite
:
838 config_overwrite_mode_discard
);
843 /* Sub buffer size in byte */
844 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
845 config_element_subbuf_size
, attr
->subbuf_size
);
850 /* Number of subbuffer (power of two) */
851 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
852 config_element_num_subbuf
,
858 /* Switch timer interval in usec */
859 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
860 config_element_switch_timer_interval
,
861 attr
->switch_timer_interval
);
866 /* Read timer interval in usec */
867 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
868 config_element_read_timer_interval
,
869 attr
->read_timer_interval
);
875 ret
= mi_lttng_writer_write_element_string(writer
,
876 config_element_output_type
,
877 attr
->output
== LTTNG_EVENT_SPLICE
?
878 config_output_type_splice
: config_output_type_mmap
);
883 /* Tracefile size in bytes */
884 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
885 config_element_tracefile_size
, attr
->tracefile_size
);
890 /* Count of tracefiles */
891 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
892 config_element_tracefile_count
,
893 attr
->tracefile_count
);
898 /* Live timer interval in usec*/
899 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
900 config_element_live_timer_interval
,
901 attr
->live_timer_interval
);
906 /* Closing attributes */
907 ret
= mi_lttng_writer_close_element(writer
);
917 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
918 struct lttng_event
*event
)
922 /* Open event element */
923 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
929 ret
= mi_lttng_writer_write_element_string(writer
,
930 config_element_name
, event
->name
);
936 ret
= mi_lttng_writer_write_element_string(writer
,
937 config_element_type
, mi_lttng_eventtype_string(event
->type
));
942 /* Is event enabled */
943 ret
= mi_lttng_writer_write_element_bool(writer
,
944 config_element_enabled
, event
->enabled
);
949 /* Event filter enabled? */
950 ret
= mi_lttng_writer_write_element_bool(writer
,
951 config_element_filter
, event
->filter
);
958 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
959 struct lttng_event
*event
, enum lttng_domain_type domain
)
964 ret
= mi_lttng_writer_write_element_string(writer
,
965 config_element_loglevel
,
966 mi_lttng_loglevel_string(event
->loglevel
, domain
));
972 ret
= mi_lttng_writer_write_element_string(writer
,
973 config_element_loglevel_type
,
974 mi_lttng_logleveltype_string(event
->loglevel_type
));
979 /* event exclusion filter */
980 ret
= mi_lttng_writer_write_element_bool(writer
,
981 config_element_exclusion
, event
->exclusion
);
991 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
992 struct lttng_event
*event
)
994 /* event exclusion filter */
995 return mi_lttng_writer_write_element_bool(writer
,
996 config_element_exclusion
, event
->exclusion
);
1000 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
1001 struct lttng_event
*event
)
1005 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1010 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1015 if (event
->attr
.probe
.addr
!= 0) {
1016 /* event probe address */
1017 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1018 config_element_address
, event
->attr
.probe
.addr
);
1023 /* event probe offset */
1024 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1025 config_element_offset
, event
->attr
.probe
.offset
);
1030 /* event probe symbol_name */
1031 ret
= mi_lttng_writer_write_element_string(writer
,
1032 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
1038 /* Close probe_attributes and attributes */
1039 ret
= mi_lttng_close_multi_element(writer
, 2);
1045 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
1046 struct lttng_event
*event
)
1050 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1055 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1060 /* event probe symbol_name */
1061 ret
= mi_lttng_writer_write_element_string(writer
,
1062 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
1067 /* Close function_attributes and attributes */
1068 ret
= mi_lttng_close_multi_element(writer
, 2);
1074 int mi_lttng_events_open(struct mi_writer
*writer
)
1076 return mi_lttng_writer_open_element(writer
, config_element_events
);
1080 int mi_lttng_event(struct mi_writer
*writer
,
1081 struct lttng_event
*event
, int is_open
, enum lttng_domain_type domain
)
1085 ret
= mi_lttng_event_common_attributes(writer
, event
);
1090 switch (event
->type
) {
1091 case LTTNG_EVENT_TRACEPOINT
:
1093 if (event
->loglevel
!= -1) {
1094 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
, domain
);
1096 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
1100 case LTTNG_EVENT_FUNCTION
:
1102 case LTTNG_EVENT_PROBE
:
1103 ret
= mi_lttng_event_function_probe(writer
, event
);
1105 case LTTNG_EVENT_FUNCTION_ENTRY
:
1106 ret
= mi_lttng_event_function_entry(writer
, event
);
1108 case LTTNG_EVENT_ALL
:
1115 ret
= mi_lttng_writer_close_element(writer
);
1123 int mi_lttng_pids_open(struct mi_writer
*writer
)
1125 return mi_lttng_writer_open_element(writer
, mi_lttng_element_pids
);
1129 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *cmdline
,
1134 /* Open element pid */
1135 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_pid
);
1140 /* Writing pid number */
1141 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1142 mi_lttng_element_pid_id
, (int)pid
);
1147 /* Writing name of the process */
1148 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1156 ret
= mi_lttng_writer_close_element(writer
);
1164 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1166 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1170 int mi_lttng_event_field(struct mi_writer
*writer
,
1171 struct lttng_event_field
*field
)
1175 if (!field
->field_name
[0]) {
1181 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1186 if (!field
->field_name
[0]) {
1191 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1198 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1199 mi_lttng_eventfieldtype_string(field
->type
));
1205 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1206 mi_lttng_element_nowrite
, field
->nowrite
);
1212 /* Close field element */
1213 ret
= mi_lttng_writer_close_element(writer
);
1220 int mi_lttng_calibrate(struct mi_writer
*writer
,
1221 struct lttng_calibrate
*calibrate
)
1225 /* Open calibrate element */
1226 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1231 /* Calibration type */
1232 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1233 mi_lttng_calibratetype_string(calibrate
->type
));
1238 /* Closing calibrate element */
1239 ret
= mi_lttng_writer_close_element(writer
);
1244 /* TODO: mi tracker */
1247 int mi_lttng_context(struct mi_writer
*writer
,
1248 struct lttng_event_context
*context
, int is_open
)
1251 const char *type_string
;
1252 struct lttng_event_perf_counter_ctx
*perf_context
;
1254 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1259 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1261 ret
= -LTTNG_ERR_INVALID
;
1265 /* Print context type */
1266 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1269 /* Special case for PERF_*_COUNTER
1270 * print the lttng_event_perf_counter_ctx*/
1271 switch (context
->ctx
) {
1272 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1273 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1274 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1275 perf_context
= &context
->u
.perf_counter
;
1276 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1287 ret
= mi_lttng_writer_close_element(writer
);
1295 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1296 struct lttng_event_perf_counter_ctx
*perf_context
)
1300 /* Open perf_counter_context */
1301 ret
= mi_lttng_writer_open_element(writer
,
1302 mi_lttng_element_perf_counter_context
);
1308 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1309 config_element_type
, perf_context
->type
);
1315 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1316 config_element_config
, perf_context
->config
);
1321 /* Name of the perf counter */
1322 ret
= mi_lttng_writer_write_element_string(writer
,
1323 config_element_name
, perf_context
->name
);
1328 /* Close perf_counter_context */
1329 ret
= mi_lttng_writer_close_element(writer
);
1335 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1336 const char *session_name
)
1340 /* Open session element */
1341 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
1346 /* Snapshot output list for current session name */
1347 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1353 /* Open element snapshots (sequence one snapshot) */
1354 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
1364 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
1365 struct lttng_snapshot_output
*output
)
1369 /* Open element snapshot output */
1370 ret
= mi_lttng_writer_open_element(writer
,
1371 mi_lttng_element_command_snapshot
);
1376 /* ID of the snapshot output */
1377 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1378 mi_lttng_element_id
, output
->id
);
1383 /* Name of the output */
1384 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1390 /* Destination of the output (ctrl_url)*/
1391 ret
= mi_lttng_writer_write_element_string(writer
,
1392 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1397 /* Destination of the output (data_url) */
1398 ret
= mi_lttng_writer_write_element_string(writer
,
1399 mi_lttng_element_snapshot_data_url
, output
->data_url
);
1404 /* total size of all stream combined */
1405 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1406 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1411 /* Close snapshot output element */
1412 ret
= mi_lttng_writer_close_element(writer
);
1419 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
1420 const char *name
, const char *current_session_name
)
1424 /* Open element del_snapshot */
1425 ret
= mi_lttng_writer_open_element(writer
,
1426 mi_lttng_element_command_snapshot
);
1432 if (id
!= UINT32_MAX
) {
1433 /* "Snapshot output "id" successfully deleted
1434 * for "current_session_name"
1435 * ID of the snapshot output
1437 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1438 mi_lttng_element_id
, id
);
1443 /* "Snapshot output "name" successfully deleted
1444 * for session "current_session_name"
1445 * Name of the output
1447 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1454 /* Snapshot was deleted for session "current_session_name"*/
1455 ret
= mi_lttng_writer_write_element_string(writer
,
1456 mi_lttng_element_snapshot_session_name
,
1457 current_session_name
);
1462 /* Close snapshot element */
1463 ret
= mi_lttng_writer_close_element(writer
);
1470 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
1471 const char *current_session_name
, const char *n_ptr
,
1472 struct lttng_snapshot_output
*output
)
1476 /* Open element snapshot */
1477 ret
= mi_lttng_writer_open_element(writer
,
1478 mi_lttng_element_command_snapshot
);
1483 /* Snapshot output id */
1484 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1485 mi_lttng_element_id
, output
->id
);
1490 /* Snapshot output names */
1491 ret
= mi_lttng_writer_write_element_string(writer
,
1492 config_element_name
, n_ptr
);
1497 /* Destination of the output (ctrl_url)*/
1498 ret
= mi_lttng_writer_write_element_string(writer
,
1499 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1504 /* Snapshot added for session "current_session_name"*/
1505 ret
= mi_lttng_writer_write_element_string(writer
,
1506 mi_lttng_element_snapshot_session_name
, current_session_name
);
1511 /* total size of all stream combined */
1512 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1513 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1518 /* Close snapshot element */
1519 ret
= mi_lttng_writer_close_element(writer
);
1526 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
1527 const char *current_session_name
, const char *url
,
1528 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
1532 /* Open element snapshot */
1533 ret
= mi_lttng_writer_open_element(writer
,
1534 mi_lttng_element_command_snapshot
);
1540 * If a valid an URL was given, serialize it,
1541 * else take the command line data and ctrl urls*/
1543 /* Destination of the output (ctrl_url)*/
1544 ret
= mi_lttng_writer_write_element_string(writer
,
1545 mi_lttng_element_snapshot_ctrl_url
, url
);
1549 } else if (cmdline_ctrl_url
) {
1550 /* Destination of the output (ctrl_url)*/
1551 ret
= mi_lttng_writer_write_element_string(writer
,
1552 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
1557 /* Destination of the output (data_url) */
1558 ret
= mi_lttng_writer_write_element_string(writer
,
1559 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
1565 /* Close record_snapshot element */
1566 ret
= mi_lttng_writer_close_element(writer
);