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 Python */
139 const char * const mi_lttng_loglevel_str_python_critical
= "PYTHON_CRITICAL";
140 const char * const mi_lttng_loglevel_str_python_error
= "PYTHON_ERROR";
141 const char * const mi_lttng_loglevel_str_python_warning
= "PYTHON_WARNING";
142 const char * const mi_lttng_loglevel_str_python_info
= "PYTHON_INFO";
143 const char * const mi_lttng_loglevel_str_python_debug
= "PYTHON_DEBUG";
144 const char * const mi_lttng_loglevel_str_python_notset
= "PYTHON_NOTSET";
146 /* String related to loglevel type */
147 const char * const mi_lttng_loglevel_type_all
= "ALL";
148 const char * const mi_lttng_loglevel_type_range
= "RANGE";
149 const char * const mi_lttng_loglevel_type_single
= "SINGLE";
150 const char * const mi_lttng_loglevel_type_unknown
= "UNKNOWN";
152 /* String related to lttng_calibrate */
153 const char * const mi_lttng_element_calibrate
= "calibrate";
154 const char * const mi_lttng_element_calibrate_function
= "FUNCTION";
156 /* String related to a lttng_snapshot_output */
157 const char * const mi_lttng_element_snapshot_ctrl_url
= "ctrl_url";
158 const char * const mi_lttng_element_snapshot_data_url
= "data_url";
159 const char * const mi_lttng_element_snapshot_max_size
= "max_size";
160 const char * const mi_lttng_element_snapshot_n_ptr
= "n_ptr";
161 const char * const mi_lttng_element_snapshot_session_name
= "session_name";
162 const char * const mi_lttng_element_snapshots
= "snapshots";
164 /* This is a merge of jul loglevel and regular loglevel
165 * Those should never overlap by definition
166 * (see struct lttng_event loglevel)
169 const char *mi_lttng_loglevel_string(int value
, enum lttng_domain_type domain
)
172 case LTTNG_DOMAIN_KERNEL
:
173 case LTTNG_DOMAIN_UST
:
176 return mi_lttng_element_empty
;
177 case LTTNG_LOGLEVEL_EMERG
:
178 return mi_lttng_loglevel_str_emerg
;
179 case LTTNG_LOGLEVEL_ALERT
:
180 return mi_lttng_loglevel_str_alert
;
181 case LTTNG_LOGLEVEL_CRIT
:
182 return mi_lttng_loglevel_str_crit
;
183 case LTTNG_LOGLEVEL_ERR
:
184 return mi_lttng_loglevel_str_err
;
185 case LTTNG_LOGLEVEL_WARNING
:
186 return mi_lttng_loglevel_str_warning
;
187 case LTTNG_LOGLEVEL_NOTICE
:
188 return mi_lttng_loglevel_str_notice
;
189 case LTTNG_LOGLEVEL_INFO
:
190 return mi_lttng_loglevel_str_info
;
191 case LTTNG_LOGLEVEL_DEBUG_SYSTEM
:
192 return mi_lttng_loglevel_str_debug_system
;
193 case LTTNG_LOGLEVEL_DEBUG_PROGRAM
:
194 return mi_lttng_loglevel_str_debug_program
;
195 case LTTNG_LOGLEVEL_DEBUG_PROCESS
:
196 return mi_lttng_loglevel_str_debug_process
;
197 case LTTNG_LOGLEVEL_DEBUG_MODULE
:
198 return mi_lttng_loglevel_str_debug_module
;
199 case LTTNG_LOGLEVEL_DEBUG_UNIT
:
200 return mi_lttng_loglevel_str_debug_unit
;
201 case LTTNG_LOGLEVEL_DEBUG_FUNCTION
:
202 return mi_lttng_loglevel_str_debug_function
;
203 case LTTNG_LOGLEVEL_DEBUG_LINE
:
204 return mi_lttng_loglevel_str_debug_line
;
205 case LTTNG_LOGLEVEL_DEBUG
:
206 return mi_lttng_loglevel_str_debug
;
208 return mi_lttng_loglevel_str_unknown
;
211 case LTTNG_DOMAIN_LOG4J
:
214 return mi_lttng_element_empty
;
215 case LTTNG_LOGLEVEL_LOG4J_OFF
:
216 return mi_lttng_loglevel_str_log4j_off
;
217 case LTTNG_LOGLEVEL_LOG4J_FATAL
:
218 return mi_lttng_loglevel_str_log4j_fatal
;
219 case LTTNG_LOGLEVEL_LOG4J_ERROR
:
220 return mi_lttng_loglevel_str_log4j_error
;
221 case LTTNG_LOGLEVEL_LOG4J_WARN
:
222 return mi_lttng_loglevel_str_log4j_warn
;
223 case LTTNG_LOGLEVEL_LOG4J_INFO
:
224 return mi_lttng_loglevel_str_log4j_info
;
225 case LTTNG_LOGLEVEL_LOG4J_DEBUG
:
226 return mi_lttng_loglevel_str_log4j_debug
;
227 case LTTNG_LOGLEVEL_LOG4J_TRACE
:
228 return mi_lttng_loglevel_str_log4j_trace
;
229 case LTTNG_LOGLEVEL_LOG4J_ALL
:
230 return mi_lttng_loglevel_str_log4j_all
;
232 return mi_lttng_loglevel_str_unknown
;
235 case LTTNG_DOMAIN_JUL
:
238 return mi_lttng_element_empty
;
239 case LTTNG_LOGLEVEL_JUL_OFF
:
240 return mi_lttng_loglevel_str_jul_off
;
241 case LTTNG_LOGLEVEL_JUL_SEVERE
:
242 return mi_lttng_loglevel_str_jul_severe
;
243 case LTTNG_LOGLEVEL_JUL_WARNING
:
244 return mi_lttng_loglevel_str_jul_warning
;
245 case LTTNG_LOGLEVEL_JUL_INFO
:
246 return mi_lttng_loglevel_str_jul_info
;
247 case LTTNG_LOGLEVEL_JUL_CONFIG
:
248 return mi_lttng_loglevel_str_jul_config
;
249 case LTTNG_LOGLEVEL_JUL_FINE
:
250 return mi_lttng_loglevel_str_jul_fine
;
251 case LTTNG_LOGLEVEL_JUL_FINER
:
252 return mi_lttng_loglevel_str_jul_finer
;
253 case LTTNG_LOGLEVEL_JUL_FINEST
:
254 return mi_lttng_loglevel_str_jul_finest
;
255 case LTTNG_LOGLEVEL_JUL_ALL
:
256 return mi_lttng_loglevel_str_jul_all
;
258 return mi_lttng_loglevel_str_unknown
;
261 case LTTNG_DOMAIN_PYTHON
:
263 case LTTNG_LOGLEVEL_PYTHON_CRITICAL
:
264 return mi_lttng_loglevel_str_python_critical
;
265 case LTTNG_LOGLEVEL_PYTHON_ERROR
:
266 return mi_lttng_loglevel_str_python_error
;
267 case LTTNG_LOGLEVEL_PYTHON_WARNING
:
268 return mi_lttng_loglevel_str_python_warning
;
269 case LTTNG_LOGLEVEL_PYTHON_INFO
:
270 return mi_lttng_loglevel_str_python_info
;
271 case LTTNG_LOGLEVEL_PYTHON_DEBUG
:
272 return mi_lttng_loglevel_str_python_debug
;
273 case LTTNG_LOGLEVEL_PYTHON_NOTSET
:
274 return mi_lttng_loglevel_str_python_notset
;
276 return mi_lttng_loglevel_str_unknown
;
281 /* Reaching this means the domain is unknown. */
282 return mi_lttng_loglevel_str_unknown
;
286 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value
)
289 case LTTNG_EVENT_LOGLEVEL_ALL
:
290 return mi_lttng_loglevel_type_all
;
291 case LTTNG_EVENT_LOGLEVEL_RANGE
:
292 return mi_lttng_loglevel_type_range
;
293 case LTTNG_EVENT_LOGLEVEL_SINGLE
:
294 return mi_lttng_loglevel_type_single
;
296 return mi_lttng_loglevel_type_unknown
;
301 const char *mi_lttng_eventtype_string(enum lttng_event_type value
)
304 case LTTNG_EVENT_ALL
:
305 return config_event_type_all
;
306 case LTTNG_EVENT_TRACEPOINT
:
307 return config_event_type_tracepoint
;
308 case LTTNG_EVENT_PROBE
:
309 return config_event_type_probe
;
310 case LTTNG_EVENT_FUNCTION
:
311 return config_event_type_function
;
312 case LTTNG_EVENT_FUNCTION_ENTRY
:
313 return config_event_type_function_entry
;
314 case LTTNG_EVENT_SYSCALL
:
315 return config_event_type_syscall
;
316 case LTTNG_EVENT_NOOP
:
317 return config_event_type_noop
;
319 return mi_lttng_element_empty
;
324 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val
)
327 case LTTNG_EVENT_CONTEXT_PID
:
328 return config_event_context_pid
;
329 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
330 return mi_lttng_context_type_perf_counter
;
331 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
332 return mi_lttng_context_type_perf_thread_counter
;
333 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
334 return mi_lttng_context_type_perf_cpu_counter
;
335 case LTTNG_EVENT_CONTEXT_PROCNAME
:
336 return config_event_context_procname
;
337 case LTTNG_EVENT_CONTEXT_PRIO
:
338 return config_event_context_prio
;
339 case LTTNG_EVENT_CONTEXT_NICE
:
340 return config_event_context_nice
;
341 case LTTNG_EVENT_CONTEXT_VPID
:
342 return config_event_context_vpid
;
343 case LTTNG_EVENT_CONTEXT_TID
:
344 return config_event_context_tid
;
345 case LTTNG_EVENT_CONTEXT_VTID
:
346 return config_event_context_vtid
;
347 case LTTNG_EVENT_CONTEXT_PPID
:
348 return config_event_context_ppid
;
349 case LTTNG_EVENT_CONTEXT_VPPID
:
350 return config_event_context_vppid
;
351 case LTTNG_EVENT_CONTEXT_PTHREAD_ID
:
352 return config_event_context_pthread_id
;
353 case LTTNG_EVENT_CONTEXT_HOSTNAME
:
354 return config_event_context_hostname
;
355 case LTTNG_EVENT_CONTEXT_IP
:
356 return config_event_context_ip
;
363 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val
)
366 case(LTTNG_EVENT_FIELD_INTEGER
):
367 return mi_lttng_element_type_integer
;
368 case(LTTNG_EVENT_FIELD_ENUM
):
369 return mi_lttng_element_type_enum
;
370 case(LTTNG_EVENT_FIELD_FLOAT
):
371 return mi_lttng_element_type_float
;
372 case(LTTNG_EVENT_FIELD_STRING
):
373 return mi_lttng_element_type_string
;
375 return mi_lttng_element_type_other
;
380 const char *mi_lttng_domaintype_string(enum lttng_domain_type value
)
382 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
384 case LTTNG_DOMAIN_KERNEL
:
385 return config_domain_type_kernel
;
386 case LTTNG_DOMAIN_UST
:
387 return config_domain_type_ust
;
388 case LTTNG_DOMAIN_JUL
:
389 return config_domain_type_jul
;
390 case LTTNG_DOMAIN_LOG4J
:
391 return config_domain_type_log4j
;
393 /* Should not have an unknown domain */
399 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value
)
402 case LTTNG_BUFFER_PER_PID
:
403 return config_buffer_type_per_pid
;
404 case LTTNG_BUFFER_PER_UID
:
405 return config_buffer_type_per_uid
;
406 case LTTNG_BUFFER_GLOBAL
:
407 return config_buffer_type_global
;
409 /* Should not have an unknow buffer type */
415 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val
)
420 case LTTNG_CALIBRATE_FUNCTION
:
421 ret
= mi_lttng_element_calibrate_function
;
424 ret
= mi_lttng_element_empty
;
431 struct mi_writer
*mi_lttng_writer_create(int fd_output
, int mi_output_type
)
433 struct mi_writer
*mi_writer
;
435 mi_writer
= zmalloc(sizeof(struct mi_writer
));
437 PERROR("zmalloc mi_writer_create");
440 if (mi_output_type
== LTTNG_MI_XML
) {
441 mi_writer
->writer
= config_writer_create(fd_output
, 0);
442 if (!mi_writer
->writer
) {
445 mi_writer
->type
= LTTNG_MI_XML
;
459 int mi_lttng_writer_destroy(struct mi_writer
*writer
)
468 ret
= config_writer_destroy(writer
->writer
);
479 int mi_lttng_writer_command_open(struct mi_writer
*writer
, const char *command
)
483 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_command
);
487 ret
= mi_lttng_writer_write_element_string(writer
,
488 mi_lttng_element_command_name
, command
);
494 int mi_lttng_writer_command_close(struct mi_writer
*writer
)
496 return mi_lttng_writer_close_element(writer
);
500 int mi_lttng_writer_open_element(struct mi_writer
*writer
,
501 const char *element_name
)
503 return config_writer_open_element(writer
->writer
, element_name
);
507 int mi_lttng_writer_close_element(struct mi_writer
*writer
)
509 return config_writer_close_element(writer
->writer
);
513 int mi_lttng_close_multi_element(struct mi_writer
*writer
,
514 unsigned int nb_element
)
518 if (nb_element
< 1) {
522 for (i
= 0; i
< nb_element
; i
++) {
523 ret
= mi_lttng_writer_close_element(writer
);
533 int mi_lttng_writer_write_element_unsigned_int(struct mi_writer
*writer
,
534 const char *element_name
, uint64_t value
)
536 return config_writer_write_element_unsigned_int(writer
->writer
,
537 element_name
, value
);
541 int mi_lttng_writer_write_element_signed_int(struct mi_writer
*writer
,
542 const char *element_name
, int64_t value
)
544 return config_writer_write_element_signed_int(writer
->writer
,
545 element_name
, value
);
549 int mi_lttng_writer_write_element_bool(struct mi_writer
*writer
,
550 const char *element_name
, int value
)
552 return config_writer_write_element_bool(writer
->writer
,
553 element_name
, value
);
557 int mi_lttng_writer_write_element_string(struct mi_writer
*writer
,
558 const char *element_name
, const char *value
)
560 return config_writer_write_element_string(writer
->writer
,
561 element_name
, value
);
565 int mi_lttng_version(struct mi_writer
*writer
, struct mi_lttng_version
*version
,
566 const char *lttng_description
, const char *lttng_license
)
571 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_version
);
576 /* Version string (contain info like rc etc.) */
577 ret
= mi_lttng_writer_write_element_string(writer
,
578 mi_lttng_element_version_str
, version
->version
);
583 /* Major version number */
584 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
585 mi_lttng_element_version_major
, version
->version_major
);
590 /* Minor version number */
591 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
592 mi_lttng_element_version_minor
, version
->version_minor
);
597 /* Commit version number */
598 ret
= mi_lttng_writer_write_element_string(writer
,
599 mi_lttng_element_version_commit
, version
->version_commit
);
605 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
606 mi_lttng_element_version_patch_level
, version
->version_patchlevel
);
611 /* Name of the version */
612 ret
= mi_lttng_writer_write_element_string(writer
,
613 config_element_name
, version
->version_name
);
618 /* Description mostly related to beer... */
619 ret
= mi_lttng_writer_write_element_string(writer
,
620 mi_lttng_element_version_description
, lttng_description
);
626 ret
= mi_lttng_writer_write_element_string(writer
,
627 mi_lttng_element_version_web
, version
->package_url
);
632 /* License: free as in free beer...no...*speech* */
633 ret
= mi_lttng_writer_write_element_string(writer
,
634 mi_lttng_element_version_license
, lttng_license
);
639 /* Close version element */
640 ret
= mi_lttng_writer_close_element(writer
);
647 int mi_lttng_sessions_open(struct mi_writer
*writer
)
649 return mi_lttng_writer_open_element(writer
, config_element_sessions
);
653 int mi_lttng_session(struct mi_writer
*writer
,
654 struct lttng_session
*session
, int is_open
)
660 /* Open sessions element */
661 ret
= mi_lttng_writer_open_element(writer
,
662 config_element_session
);
667 /* Name of the session */
668 ret
= mi_lttng_writer_write_element_string(writer
,
669 config_element_name
, session
->name
);
675 ret
= mi_lttng_writer_write_element_string(writer
,
676 config_element_path
, session
->path
);
682 ret
= mi_lttng_writer_write_element_bool(writer
,
683 config_element_enabled
, session
->enabled
);
689 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
690 config_element_snapshot_mode
, session
->snapshot_mode
);
695 /* Live timer interval in usec */
696 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
697 config_element_live_timer_interval
,
698 session
->live_timer_interval
);
704 /* Closing session element */
705 ret
= mi_lttng_writer_close_element(writer
);
713 int mi_lttng_domains_open(struct mi_writer
*writer
)
715 return mi_lttng_writer_open_element(writer
, config_element_domains
);
719 int mi_lttng_domain(struct mi_writer
*writer
,
720 struct lttng_domain
*domain
, int is_open
)
723 const char *str_domain
;
724 const char *str_buffer
;
728 /* Open domain element */
729 ret
= mi_lttng_writer_open_element(writer
, config_element_domain
);
735 str_domain
= mi_lttng_domaintype_string(domain
->type
);
736 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
743 str_buffer
= mi_lttng_buffertype_string(domain
->buf_type
);
744 ret
= mi_lttng_writer_write_element_string(writer
,
745 config_element_buffer_type
, str_buffer
);
751 * This union is not currently used and was added for
752 * future ust domain support.
757 /* Closing domain element */
758 ret
= mi_lttng_writer_close_element(writer
);
767 int mi_lttng_channels_open(struct mi_writer
*writer
)
769 return mi_lttng_writer_open_element(writer
, config_element_channels
);
773 int mi_lttng_channel(struct mi_writer
*writer
,
774 struct lttng_channel
*channel
, int is_open
)
780 /* Opening channel element */
781 ret
= mi_lttng_writer_open_element(writer
, config_element_channel
);
787 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
794 ret
= mi_lttng_writer_write_element_bool(writer
,
795 config_element_enabled
, channel
->enabled
);
801 ret
= mi_lttng_channel_attr(writer
, &channel
->attr
);
807 /* Closing channel element */
808 ret
= mi_lttng_writer_close_element(writer
);
818 int mi_lttng_channel_attr(struct mi_writer
*writer
,
819 struct lttng_channel_attr
*attr
)
825 /* Opening Attributes */
826 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
832 ret
= mi_lttng_writer_write_element_string(writer
,
833 config_element_overwrite_mode
,
834 attr
->overwrite
? config_overwrite_mode_overwrite
:
835 config_overwrite_mode_discard
);
840 /* Sub buffer size in byte */
841 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
842 config_element_subbuf_size
, attr
->subbuf_size
);
847 /* Number of subbuffer (power of two) */
848 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
849 config_element_num_subbuf
,
855 /* Switch timer interval in usec */
856 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
857 config_element_switch_timer_interval
,
858 attr
->switch_timer_interval
);
863 /* Read timer interval in usec */
864 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
865 config_element_read_timer_interval
,
866 attr
->read_timer_interval
);
872 ret
= mi_lttng_writer_write_element_string(writer
,
873 config_element_output_type
,
874 attr
->output
== LTTNG_EVENT_SPLICE
?
875 config_output_type_splice
: config_output_type_mmap
);
880 /* Tracefile size in bytes */
881 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
882 config_element_tracefile_size
, attr
->tracefile_size
);
887 /* Count of tracefiles */
888 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
889 config_element_tracefile_count
,
890 attr
->tracefile_count
);
895 /* Live timer interval in usec*/
896 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
897 config_element_live_timer_interval
,
898 attr
->live_timer_interval
);
903 /* Closing attributes */
904 ret
= mi_lttng_writer_close_element(writer
);
914 int mi_lttng_event_common_attributes(struct mi_writer
*writer
,
915 struct lttng_event
*event
)
919 /* Open event element */
920 ret
= mi_lttng_writer_open_element(writer
, config_element_event
);
926 ret
= mi_lttng_writer_write_element_string(writer
,
927 config_element_name
, event
->name
);
933 ret
= mi_lttng_writer_write_element_string(writer
,
934 config_element_type
, mi_lttng_eventtype_string(event
->type
));
939 /* Is event enabled */
940 ret
= mi_lttng_writer_write_element_bool(writer
,
941 config_element_enabled
, event
->enabled
);
946 /* Event filter enabled? */
947 ret
= mi_lttng_writer_write_element_bool(writer
,
948 config_element_filter
, event
->filter
);
955 int mi_lttng_event_tracepoint_loglevel(struct mi_writer
*writer
,
956 struct lttng_event
*event
, enum lttng_domain_type domain
)
961 ret
= mi_lttng_writer_write_element_string(writer
,
962 config_element_loglevel
,
963 mi_lttng_loglevel_string(event
->loglevel
, domain
));
969 ret
= mi_lttng_writer_write_element_string(writer
,
970 config_element_loglevel_type
,
971 mi_lttng_logleveltype_string(event
->loglevel_type
));
976 /* event exclusion filter */
977 ret
= mi_lttng_writer_write_element_bool(writer
,
978 config_element_exclusion
, event
->exclusion
);
988 int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer
*writer
,
989 struct lttng_event
*event
)
991 /* event exclusion filter */
992 return mi_lttng_writer_write_element_bool(writer
,
993 config_element_exclusion
, event
->exclusion
);
997 int mi_lttng_event_function_probe(struct mi_writer
*writer
,
998 struct lttng_event
*event
)
1002 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1007 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1012 if (event
->attr
.probe
.addr
!= 0) {
1013 /* event probe address */
1014 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1015 config_element_address
, event
->attr
.probe
.addr
);
1020 /* event probe offset */
1021 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1022 config_element_offset
, event
->attr
.probe
.offset
);
1027 /* event probe symbol_name */
1028 ret
= mi_lttng_writer_write_element_string(writer
,
1029 config_element_symbol_name
, event
->attr
.probe
.symbol_name
);
1035 /* Close probe_attributes and attributes */
1036 ret
= mi_lttng_close_multi_element(writer
, 2);
1042 int mi_lttng_event_function_entry(struct mi_writer
*writer
,
1043 struct lttng_event
*event
)
1047 ret
= mi_lttng_writer_open_element(writer
, config_element_attributes
);
1052 ret
= mi_lttng_writer_open_element(writer
, config_element_probe_attributes
);
1057 /* event probe symbol_name */
1058 ret
= mi_lttng_writer_write_element_string(writer
,
1059 config_element_symbol_name
, event
->attr
.ftrace
.symbol_name
);
1064 /* Close function_attributes and attributes */
1065 ret
= mi_lttng_close_multi_element(writer
, 2);
1071 int mi_lttng_events_open(struct mi_writer
*writer
)
1073 return mi_lttng_writer_open_element(writer
, config_element_events
);
1077 int mi_lttng_event(struct mi_writer
*writer
,
1078 struct lttng_event
*event
, int is_open
, enum lttng_domain_type domain
)
1082 ret
= mi_lttng_event_common_attributes(writer
, event
);
1087 switch (event
->type
) {
1088 case LTTNG_EVENT_TRACEPOINT
:
1090 if (event
->loglevel
!= -1) {
1091 ret
= mi_lttng_event_tracepoint_loglevel(writer
, event
, domain
);
1093 ret
= mi_lttng_event_tracepoint_no_loglevel(writer
, event
);
1097 case LTTNG_EVENT_FUNCTION
:
1099 case LTTNG_EVENT_PROBE
:
1100 ret
= mi_lttng_event_function_probe(writer
, event
);
1102 case LTTNG_EVENT_FUNCTION_ENTRY
:
1103 ret
= mi_lttng_event_function_entry(writer
, event
);
1105 case LTTNG_EVENT_ALL
:
1112 ret
= mi_lttng_writer_close_element(writer
);
1120 int mi_lttng_pids_open(struct mi_writer
*writer
)
1122 return mi_lttng_writer_open_element(writer
, mi_lttng_element_pids
);
1126 int mi_lttng_pid(struct mi_writer
*writer
, pid_t pid
, const char *cmdline
,
1131 /* Open element pid */
1132 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_pid
);
1137 /* Writing pid number */
1138 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1139 mi_lttng_element_pid_id
, (int)pid
);
1144 /* Writing name of the process */
1145 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1153 ret
= mi_lttng_writer_close_element(writer
);
1161 int mi_lttng_event_fields_open(struct mi_writer
*writer
)
1163 return mi_lttng_writer_open_element(writer
, mi_lttng_element_event_fields
);
1167 int mi_lttng_event_field(struct mi_writer
*writer
,
1168 struct lttng_event_field
*field
)
1172 if (!field
->field_name
[0]) {
1178 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_event_field
);
1183 if (!field
->field_name
[0]) {
1188 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1195 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1196 mi_lttng_eventfieldtype_string(field
->type
));
1202 ret
= mi_lttng_writer_write_element_signed_int(writer
,
1203 mi_lttng_element_nowrite
, field
->nowrite
);
1209 /* Close field element */
1210 ret
= mi_lttng_writer_close_element(writer
);
1217 int mi_lttng_calibrate(struct mi_writer
*writer
,
1218 struct lttng_calibrate
*calibrate
)
1222 /* Open calibrate element */
1223 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_calibrate
);
1228 /* Calibration type */
1229 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1230 mi_lttng_calibratetype_string(calibrate
->type
));
1235 /* Closing calibrate element */
1236 ret
= mi_lttng_writer_close_element(writer
);
1241 int mi_lttng_context(struct mi_writer
*writer
,
1242 struct lttng_event_context
*context
, int is_open
)
1245 const char *type_string
;
1246 struct lttng_event_perf_counter_ctx
*perf_context
;
1248 ret
= mi_lttng_writer_open_element(writer
, config_element_context
);
1253 type_string
= mi_lttng_event_contexttype_string(context
->ctx
);
1255 ret
= -LTTNG_ERR_INVALID
;
1259 /* Print context type */
1260 ret
= mi_lttng_writer_write_element_string(writer
, config_element_type
,
1263 /* Special case for PERF_*_COUNTER
1264 * print the lttng_event_perf_counter_ctx*/
1265 switch (context
->ctx
) {
1266 case LTTNG_EVENT_CONTEXT_PERF_COUNTER
:
1267 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER
:
1268 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER
:
1269 perf_context
= &context
->u
.perf_counter
;
1270 ret
= mi_lttng_perf_counter_context(writer
, perf_context
);
1281 ret
= mi_lttng_writer_close_element(writer
);
1289 int mi_lttng_perf_counter_context(struct mi_writer
*writer
,
1290 struct lttng_event_perf_counter_ctx
*perf_context
)
1294 /* Open perf_counter_context */
1295 ret
= mi_lttng_writer_open_element(writer
,
1296 mi_lttng_element_perf_counter_context
);
1302 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1303 config_element_type
, perf_context
->type
);
1309 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1310 config_element_config
, perf_context
->config
);
1315 /* Name of the perf counter */
1316 ret
= mi_lttng_writer_write_element_string(writer
,
1317 config_element_name
, perf_context
->name
);
1322 /* Close perf_counter_context */
1323 ret
= mi_lttng_writer_close_element(writer
);
1329 int mi_lttng_snapshot_output_session_name(struct mi_writer
*writer
,
1330 const char *session_name
)
1334 /* Open session element */
1335 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
1340 /* Snapshot output list for current session name */
1341 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1344 /* Open element snapshots (sequence one snapshot) */
1345 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_snapshots
);
1355 int mi_lttng_snapshot_list_output(struct mi_writer
*writer
,
1356 struct lttng_snapshot_output
*output
)
1360 /* Open element snapshot output */
1361 ret
= mi_lttng_writer_open_element(writer
,
1362 mi_lttng_element_command_snapshot
);
1367 /* ID of the snapshot output */
1368 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1369 mi_lttng_element_id
, output
->id
);
1374 /* Name of the output */
1375 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1381 /* Destination of the output (ctrl_url)*/
1382 ret
= mi_lttng_writer_write_element_string(writer
,
1383 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1388 /* Destination of the output (data_url) */
1389 ret
= mi_lttng_writer_write_element_string(writer
,
1390 mi_lttng_element_snapshot_data_url
, output
->data_url
);
1395 /* total size of all stream combined */
1396 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1397 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1402 /* Close snapshot output element */
1403 ret
= mi_lttng_writer_close_element(writer
);
1410 int mi_lttng_snapshot_del_output(struct mi_writer
*writer
, int id
,
1411 const char *name
, const char *current_session_name
)
1415 /* Open element del_snapshot */
1416 ret
= mi_lttng_writer_open_element(writer
,
1417 mi_lttng_element_command_snapshot
);
1423 if (id
!= UINT32_MAX
) {
1424 /* "Snapshot output "id" successfully deleted
1425 * for "current_session_name"
1426 * ID of the snapshot output
1428 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1429 mi_lttng_element_id
, id
);
1434 /* "Snapshot output "name" successfully deleted
1435 * for session "current_session_name"
1436 * Name of the output
1438 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
1445 /* Snapshot was deleted for session "current_session_name"*/
1446 ret
= mi_lttng_writer_write_element_string(writer
,
1447 mi_lttng_element_snapshot_session_name
,
1448 current_session_name
);
1453 /* Close snapshot element */
1454 ret
= mi_lttng_writer_close_element(writer
);
1461 int mi_lttng_snapshot_add_output(struct mi_writer
*writer
,
1462 const char *current_session_name
, const char *n_ptr
,
1463 struct lttng_snapshot_output
*output
)
1467 /* Open element snapshot */
1468 ret
= mi_lttng_writer_open_element(writer
,
1469 mi_lttng_element_command_snapshot
);
1474 /* Snapshot output id */
1475 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1476 mi_lttng_element_id
, output
->id
);
1481 /* Snapshot output names */
1482 ret
= mi_lttng_writer_write_element_string(writer
,
1483 config_element_name
, n_ptr
);
1488 /* Destination of the output (ctrl_url)*/
1489 ret
= mi_lttng_writer_write_element_string(writer
,
1490 mi_lttng_element_snapshot_ctrl_url
, output
->ctrl_url
);
1495 /* Snapshot added for session "current_session_name"*/
1496 ret
= mi_lttng_writer_write_element_string(writer
,
1497 mi_lttng_element_snapshot_session_name
, current_session_name
);
1502 /* total size of all stream combined */
1503 ret
= mi_lttng_writer_write_element_unsigned_int(writer
,
1504 mi_lttng_element_snapshot_max_size
, output
->max_size
);
1509 /* Close snapshot element */
1510 ret
= mi_lttng_writer_close_element(writer
);
1517 int mi_lttng_snapshot_record(struct mi_writer
*writer
,
1518 const char *current_session_name
, const char *url
,
1519 const char *cmdline_ctrl_url
, const char *cmdline_data_url
)
1523 /* Open element snapshot */
1524 ret
= mi_lttng_writer_open_element(writer
,
1525 mi_lttng_element_command_snapshot
);
1531 * If a valid an URL was given, serialize it,
1532 * else take the command line data and ctrl urls*/
1534 /* Destination of the output (ctrl_url)*/
1535 ret
= mi_lttng_writer_write_element_string(writer
,
1536 mi_lttng_element_snapshot_ctrl_url
, url
);
1540 } else if (cmdline_ctrl_url
) {
1541 /* Destination of the output (ctrl_url)*/
1542 ret
= mi_lttng_writer_write_element_string(writer
,
1543 mi_lttng_element_snapshot_ctrl_url
, cmdline_ctrl_url
);
1548 /* Destination of the output (data_url) */
1549 ret
= mi_lttng_writer_write_element_string(writer
,
1550 mi_lttng_element_snapshot_data_url
, cmdline_data_url
);
1556 /* Close record_snapshot element */
1557 ret
= mi_lttng_writer_close_element(writer
);