Commit | Line | Data |
---|---|---|
c7e35b03 JR |
1 | /* |
2 | * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com> | |
3 | * - Olivier Cotte <olivier.cotte@polymtl.ca> | |
4 | * | |
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. | |
8 | * | |
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 | |
12 | * more details. | |
13 | * | |
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. | |
17 | */ | |
18 | ||
5e18ec73 | 19 | |
c7e35b03 JR |
20 | #include <include/config.h> |
21 | #include <common/config/config.h> | |
50534d6f | 22 | #include <lttng/snapshot-internal.h> |
c7e35b03 JR |
23 | #include "mi-lttng.h" |
24 | ||
5e18ec73 JR |
25 | #include <assert.h> |
26 | ||
c7e35b03 JR |
27 | /* Strings related to command */ |
28 | const char * const mi_lttng_element_command = "command"; | |
f4a088f7 JRJ |
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"; | |
89476427 | 37 | const char * const mi_lttng_element_command_enable_event = "enable-event"; |
c7e35b03 | 38 | const char * const mi_lttng_element_command_list = "list"; |
1734c658 | 39 | const char * const mi_lttng_element_command_load = "load"; |
f4a088f7 JRJ |
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"; | |
1cfc0bc8 | 49 | const char * const mi_lttng_element_command_start = "start"; |
e5b83100 | 50 | const char * const mi_lttng_element_command_stop = "stop"; |
1734c658 | 51 | const char * const mi_lttng_element_command_success = "success"; |
f4a088f7 | 52 | const char * const mi_lttng_element_command_version = "version"; |
c7e35b03 | 53 | |
1734c658 | 54 | /* Strings related to version command */ |
c7e35b03 | 55 | const char * const mi_lttng_element_version = "version"; |
314d5222 | 56 | const char * const mi_lttng_element_version_commit = "commit"; |
f4a088f7 | 57 | const char * const mi_lttng_element_version_description = "description"; |
c7e35b03 | 58 | const char * const mi_lttng_element_version_license = "license"; |
f4a088f7 JRJ |
59 | const char * const mi_lttng_element_version_major = "major"; |
60 | const char * const mi_lttng_element_version_minor = "minor"; | |
c7e35b03 | 61 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; |
f4a088f7 JRJ |
62 | const char * const mi_lttng_element_version_str = "string"; |
63 | const char * const mi_lttng_element_version_web = "url"; | |
1734c658 | 64 | |
5e18ec73 JR |
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"; | |
68 | ||
89b72577 JRJ |
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"; | |
73 | ||
74 | /* String related to lttng_event_perf_counter_ctx */ | |
75 | const char * const mi_lttng_element_perf_counter_context = "perf_counter_context"; | |
76 | ||
f4a088f7 JRJ |
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"; | |
81 | ||
82 | /* Strings related to save command */ | |
83 | const char * const mi_lttng_element_save = "save"; | |
84 | ||
85 | /* Strings related to load command */ | |
86 | const char * const mi_lttng_element_load = "load"; | |
87 | ||
5e18ec73 | 88 | /* General elements of mi_lttng */ |
f4a088f7 JRJ |
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"; | |
5e18ec73 JR |
93 | const char * const mi_lttng_element_type_enum = "ENUM"; |
94 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
f4a088f7 JRJ |
95 | const char * const mi_lttng_element_type_integer = "INTEGER"; |
96 | const char * const mi_lttng_element_type_other = "OTHER"; | |
5e18ec73 | 97 | const char * const mi_lttng_element_type_string = "STRING"; |
5e18ec73 JR |
98 | |
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"; | |
116 | ||
136f2f81 JRJ |
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"; | |
127 | ||
1734c658 | 128 | /* String related to loglevel type */ |
5e18ec73 JR |
129 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
130 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
131 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
132 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
133 | ||
7e66b1b0 JRJ |
134 | /* String related to lttng_calibrate */ |
135 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
136 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
137 | ||
50534d6f | 138 | /* String related to a lttng_snapshot_output */ |
50534d6f | 139 | const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url"; |
f4a088f7 | 140 | const char * const mi_lttng_element_snapshot_data_url = "data_url"; |
50534d6f | 141 | const char * const mi_lttng_element_snapshot_max_size = "max_size"; |
f4a088f7 JRJ |
142 | const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr"; |
143 | const char * const mi_lttng_element_snapshot_session_name = "session_name"; | |
144 | const char * const mi_lttng_element_snapshots = "snapshots"; | |
5e18ec73 | 145 | |
136f2f81 JRJ |
146 | /* This is a merge of jul loglevel and regular loglevel |
147 | * Those should never overlap by definition | |
148 | * (see struct lttng_event loglevel) | |
149 | */ | |
5e18ec73 JR |
150 | const char *mi_lttng_loglevel_string(int value) |
151 | { | |
152 | switch (value) { | |
153 | case -1: | |
154 | return mi_lttng_element_empty; | |
155 | case LTTNG_LOGLEVEL_EMERG: | |
156 | return mi_lttng_loglevel_str_emerg; | |
157 | case LTTNG_LOGLEVEL_ALERT: | |
158 | return mi_lttng_loglevel_str_alert; | |
159 | case LTTNG_LOGLEVEL_CRIT: | |
160 | return mi_lttng_loglevel_str_crit; | |
161 | case LTTNG_LOGLEVEL_ERR: | |
162 | return mi_lttng_loglevel_str_err; | |
163 | case LTTNG_LOGLEVEL_WARNING: | |
164 | return mi_lttng_loglevel_str_warning; | |
165 | case LTTNG_LOGLEVEL_NOTICE: | |
166 | return mi_lttng_loglevel_str_notice; | |
167 | case LTTNG_LOGLEVEL_INFO: | |
168 | return mi_lttng_loglevel_str_info; | |
169 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
170 | return mi_lttng_loglevel_str_debug_system; | |
171 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
172 | return mi_lttng_loglevel_str_debug_program; | |
173 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
174 | return mi_lttng_loglevel_str_debug_process; | |
175 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
176 | return mi_lttng_loglevel_str_debug_module; | |
177 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
178 | return mi_lttng_loglevel_str_debug_unit; | |
179 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
180 | return mi_lttng_loglevel_str_debug_function; | |
181 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
182 | return mi_lttng_loglevel_str_debug_line; | |
183 | case LTTNG_LOGLEVEL_DEBUG: | |
184 | return mi_lttng_loglevel_str_debug; | |
136f2f81 JRJ |
185 | case LTTNG_LOGLEVEL_JUL_OFF: |
186 | return mi_lttng_loglevel_str_jul_off; | |
187 | case LTTNG_LOGLEVEL_JUL_SEVERE: | |
188 | return mi_lttng_loglevel_str_jul_severe; | |
189 | case LTTNG_LOGLEVEL_JUL_WARNING: | |
190 | return mi_lttng_loglevel_str_jul_warning; | |
191 | case LTTNG_LOGLEVEL_JUL_INFO: | |
192 | return mi_lttng_loglevel_str_jul_info; | |
193 | case LTTNG_LOGLEVEL_JUL_CONFIG: | |
194 | return mi_lttng_loglevel_str_jul_config; | |
195 | case LTTNG_LOGLEVEL_JUL_FINE: | |
196 | return mi_lttng_loglevel_str_jul_fine; | |
197 | case LTTNG_LOGLEVEL_JUL_FINER: | |
198 | return mi_lttng_loglevel_str_jul_finer; | |
199 | case LTTNG_LOGLEVEL_JUL_FINEST: | |
200 | return mi_lttng_loglevel_str_jul_finest; | |
201 | case LTTNG_LOGLEVEL_JUL_ALL: | |
202 | return mi_lttng_loglevel_str_jul_all; | |
5e18ec73 JR |
203 | default: |
204 | return mi_lttng_loglevel_str_unknown; | |
205 | } | |
206 | } | |
207 | ||
208 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
209 | { | |
210 | switch (value) { | |
211 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
212 | return mi_lttng_loglevel_type_all; | |
213 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
214 | return mi_lttng_loglevel_type_range; | |
215 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
216 | return mi_lttng_loglevel_type_single; | |
217 | default: | |
218 | return mi_lttng_loglevel_type_unknown; | |
219 | } | |
220 | } | |
221 | ||
222 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
223 | { | |
224 | switch (value) { | |
225 | case LTTNG_EVENT_ALL: | |
226 | return config_event_type_all; | |
227 | case LTTNG_EVENT_TRACEPOINT: | |
228 | return config_event_type_tracepoint; | |
229 | case LTTNG_EVENT_PROBE: | |
230 | return config_event_type_probe; | |
231 | case LTTNG_EVENT_FUNCTION: | |
232 | return config_event_type_function; | |
233 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
234 | return config_event_type_function_entry; | |
235 | case LTTNG_EVENT_SYSCALL: | |
236 | return config_event_type_syscall; | |
237 | case LTTNG_EVENT_NOOP: | |
238 | return config_event_type_noop; | |
239 | default: | |
240 | return mi_lttng_element_empty; | |
241 | } | |
242 | } | |
243 | ||
89b72577 JRJ |
244 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
245 | { | |
246 | switch (val) { | |
247 | case LTTNG_EVENT_CONTEXT_PID: | |
248 | return config_event_context_pid; | |
249 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
250 | return mi_lttng_context_type_perf_counter; | |
251 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
252 | return mi_lttng_context_type_perf_thread_counter; | |
253 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
254 | return mi_lttng_context_type_perf_cpu_counter; | |
255 | case LTTNG_EVENT_CONTEXT_PROCNAME: | |
256 | return config_event_context_procname; | |
257 | case LTTNG_EVENT_CONTEXT_PRIO: | |
258 | return config_event_context_prio; | |
259 | case LTTNG_EVENT_CONTEXT_NICE: | |
260 | return config_event_context_nice; | |
261 | case LTTNG_EVENT_CONTEXT_VPID: | |
262 | return config_event_context_vpid; | |
263 | case LTTNG_EVENT_CONTEXT_TID: | |
264 | return config_event_context_tid; | |
265 | case LTTNG_EVENT_CONTEXT_VTID: | |
266 | return config_event_context_vtid; | |
267 | case LTTNG_EVENT_CONTEXT_PPID: | |
268 | return config_event_context_ppid; | |
269 | case LTTNG_EVENT_CONTEXT_VPPID: | |
270 | return config_event_context_vppid; | |
271 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
272 | return config_event_context_pthread_id; | |
273 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
274 | return config_event_context_hostname; | |
275 | case LTTNG_EVENT_CONTEXT_IP: | |
276 | return config_event_context_ip; | |
277 | default: | |
278 | return NULL; | |
279 | } | |
280 | } | |
281 | ||
5e18ec73 JR |
282 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
283 | { | |
284 | switch (val) { | |
285 | case(LTTNG_EVENT_FIELD_INTEGER): | |
286 | return mi_lttng_element_type_integer; | |
287 | case(LTTNG_EVENT_FIELD_ENUM): | |
288 | return mi_lttng_element_type_enum; | |
289 | case(LTTNG_EVENT_FIELD_FLOAT): | |
290 | return mi_lttng_element_type_float; | |
291 | case(LTTNG_EVENT_FIELD_STRING): | |
292 | return mi_lttng_element_type_string; | |
293 | default: | |
294 | return mi_lttng_element_type_other; | |
295 | } | |
296 | } | |
297 | ||
298 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
299 | { | |
300 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
301 | switch (value) { | |
302 | case LTTNG_DOMAIN_KERNEL: | |
303 | return config_domain_type_kernel; | |
304 | case LTTNG_DOMAIN_UST: | |
305 | return config_domain_type_ust; | |
306 | case LTTNG_DOMAIN_JUL: | |
307 | return config_domain_type_jul; | |
5cdb6027 DG |
308 | case LTTNG_DOMAIN_LOG4J: |
309 | return config_domain_type_log4j; | |
5e18ec73 JR |
310 | default: |
311 | /* Should not have an unknown domain */ | |
312 | assert(0); | |
313 | } | |
314 | } | |
315 | ||
316 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
317 | { | |
318 | switch (value) { | |
319 | case LTTNG_BUFFER_PER_PID: | |
320 | return config_buffer_type_per_pid; | |
321 | case LTTNG_BUFFER_PER_UID: | |
322 | return config_buffer_type_per_uid; | |
323 | case LTTNG_BUFFER_GLOBAL: | |
324 | return config_buffer_type_global; | |
325 | default: | |
326 | /* Should not have an unknow buffer type */ | |
327 | assert(0); | |
328 | } | |
329 | } | |
330 | ||
7e66b1b0 JRJ |
331 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
332 | { | |
333 | const char *ret; | |
334 | ||
335 | switch (val) { | |
336 | case LTTNG_CALIBRATE_FUNCTION: | |
337 | ret = mi_lttng_element_calibrate_function; | |
338 | break; | |
339 | default: | |
340 | ret = mi_lttng_element_empty; | |
341 | break; | |
342 | } | |
343 | return ret; | |
344 | } | |
345 | ||
c7e35b03 JR |
346 | LTTNG_HIDDEN |
347 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
348 | { | |
349 | struct mi_writer *mi_writer; | |
350 | ||
351 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
352 | if (!mi_writer) { | |
353 | PERROR("zmalloc mi_writer_create"); | |
354 | goto end; | |
355 | } | |
356 | if (mi_output_type == LTTNG_MI_XML) { | |
357 | mi_writer->writer = config_writer_create(fd_output); | |
358 | if (!mi_writer->writer) { | |
359 | goto err_destroy; | |
360 | } | |
361 | mi_writer->type = LTTNG_MI_XML; | |
362 | } else { | |
363 | goto err_destroy; | |
364 | } | |
365 | ||
366 | end: | |
367 | return mi_writer; | |
368 | ||
369 | err_destroy: | |
370 | free(mi_writer); | |
371 | return NULL; | |
372 | } | |
373 | ||
374 | LTTNG_HIDDEN | |
375 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
376 | { | |
377 | int ret; | |
378 | ||
379 | if (!writer) { | |
380 | ret = -EINVAL; | |
381 | goto end; | |
382 | } | |
383 | ||
384 | ret = config_writer_destroy(writer->writer); | |
385 | if (ret < 0) { | |
386 | goto end; | |
387 | } | |
388 | ||
389 | free(writer); | |
390 | end: | |
391 | return ret; | |
392 | } | |
393 | ||
394 | LTTNG_HIDDEN | |
395 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
396 | { | |
397 | int ret; | |
398 | ||
399 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
400 | if (ret) { | |
401 | goto end; | |
402 | } | |
403 | ret = mi_lttng_writer_write_element_string(writer, | |
404 | mi_lttng_element_command_name, command); | |
405 | end: | |
406 | return ret; | |
407 | } | |
408 | ||
409 | LTTNG_HIDDEN | |
410 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
411 | { | |
412 | return mi_lttng_writer_close_element(writer); | |
413 | } | |
414 | ||
415 | LTTNG_HIDDEN | |
416 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
417 | const char *element_name) | |
418 | { | |
419 | return config_writer_open_element(writer->writer, element_name); | |
420 | } | |
421 | ||
422 | LTTNG_HIDDEN | |
423 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
424 | { | |
425 | return config_writer_close_element(writer->writer); | |
426 | } | |
427 | ||
5e18ec73 JR |
428 | LTTNG_HIDDEN |
429 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
430 | unsigned int nb_element) | |
431 | { | |
432 | int ret, i; | |
433 | ||
434 | if (nb_element < 1) { | |
435 | ret = 0; | |
436 | goto end; | |
437 | } | |
438 | for (i = 0; i < nb_element; i++) { | |
439 | ret = mi_lttng_writer_close_element(writer); | |
440 | if (ret) { | |
441 | goto end; | |
442 | } | |
443 | } | |
444 | end: | |
445 | return ret; | |
446 | } | |
447 | ||
c7e35b03 JR |
448 | LTTNG_HIDDEN |
449 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
450 | const char *element_name, uint64_t value) | |
451 | { | |
452 | return config_writer_write_element_unsigned_int(writer->writer, | |
453 | element_name, value); | |
454 | } | |
455 | ||
456 | LTTNG_HIDDEN | |
457 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
458 | const char *element_name, int64_t value) | |
459 | { | |
460 | return config_writer_write_element_signed_int(writer->writer, | |
461 | element_name, value); | |
462 | } | |
463 | ||
464 | LTTNG_HIDDEN | |
465 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
466 | const char *element_name, int value) | |
467 | { | |
468 | return config_writer_write_element_bool(writer->writer, | |
469 | element_name, value); | |
470 | } | |
471 | ||
472 | LTTNG_HIDDEN | |
473 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
474 | const char *element_name, const char *value) | |
475 | { | |
476 | return config_writer_write_element_string(writer->writer, | |
477 | element_name, value); | |
478 | } | |
479 | ||
480 | LTTNG_HIDDEN | |
481 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
482 | const char *lttng_description, const char *lttng_license) | |
483 | { | |
484 | int ret; | |
485 | ||
486 | /* Open version */ | |
487 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
488 | if (ret) { | |
489 | goto end; | |
490 | } | |
491 | ||
492 | /* Version string (contain info like rc etc.) */ | |
493 | ret = mi_lttng_writer_write_element_string(writer, | |
782f3c61 | 494 | mi_lttng_element_version_str, version->version); |
c7e35b03 JR |
495 | if (ret) { |
496 | goto end; | |
497 | } | |
498 | ||
499 | /* Major version number */ | |
500 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
501 | mi_lttng_element_version_major, version->version_major); | |
502 | if (ret) { | |
503 | goto end; | |
504 | } | |
505 | ||
506 | /* Minor version number */ | |
507 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
508 | mi_lttng_element_version_minor, version->version_minor); | |
509 | if (ret) { | |
510 | goto end; | |
511 | } | |
512 | ||
314d5222 JRJ |
513 | /* Commit version number */ |
514 | ret = mi_lttng_writer_write_element_string(writer, | |
515 | mi_lttng_element_version_commit, version->version_commit); | |
516 | if (ret) { | |
517 | goto end; | |
518 | } | |
519 | ||
c7e35b03 JR |
520 | /* Patch number */ |
521 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
522 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
523 | if (ret) { | |
524 | goto end; | |
525 | } | |
526 | ||
527 | /* Name of the version */ | |
528 | ret = mi_lttng_writer_write_element_string(writer, | |
529 | config_element_name, version->version_name); | |
530 | if (ret) { | |
531 | goto end; | |
532 | } | |
533 | ||
534 | /* Description mostly related to beer... */ | |
535 | ret = mi_lttng_writer_write_element_string(writer, | |
536 | mi_lttng_element_version_description, lttng_description); | |
537 | if (ret) { | |
538 | goto end; | |
539 | } | |
540 | ||
541 | /* url */ | |
542 | ret = mi_lttng_writer_write_element_string(writer, | |
543 | mi_lttng_element_version_web, version->package_url); | |
544 | if (ret) { | |
545 | goto end; | |
546 | } | |
547 | ||
548 | /* License: free as in free beer...no...*speech* */ | |
549 | ret = mi_lttng_writer_write_element_string(writer, | |
550 | mi_lttng_element_version_license, lttng_license); | |
551 | if (ret) { | |
552 | goto end; | |
553 | } | |
554 | ||
555 | /* Close version element */ | |
556 | ret = mi_lttng_writer_close_element(writer); | |
557 | ||
558 | end: | |
559 | return ret; | |
560 | } | |
561 | ||
5e18ec73 JR |
562 | LTTNG_HIDDEN |
563 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
564 | { | |
565 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
566 | } | |
567 | ||
c7e35b03 JR |
568 | LTTNG_HIDDEN |
569 | int mi_lttng_session(struct mi_writer *writer, | |
570 | struct lttng_session *session, int is_open) | |
571 | { | |
572 | int ret; | |
573 | ||
5e18ec73 JR |
574 | assert(session); |
575 | ||
576 | /* Open sessions element */ | |
c7e35b03 JR |
577 | ret = mi_lttng_writer_open_element(writer, |
578 | config_element_session); | |
579 | if (ret) { | |
580 | goto end; | |
581 | } | |
582 | ||
583 | /* Name of the session */ | |
584 | ret = mi_lttng_writer_write_element_string(writer, | |
585 | config_element_name, session->name); | |
586 | if (ret) { | |
587 | goto end; | |
588 | } | |
589 | ||
5e18ec73 | 590 | /* Path */ |
c7e35b03 JR |
591 | ret = mi_lttng_writer_write_element_string(writer, |
592 | config_element_path, session->path); | |
593 | if (ret) { | |
594 | goto end; | |
595 | } | |
596 | ||
5e18ec73 JR |
597 | /* Enabled ? */ |
598 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
599 | config_element_enabled, session->enabled); |
600 | if (ret) { | |
601 | goto end; | |
602 | } | |
603 | ||
5e18ec73 | 604 | /* Snapshot mode */ |
c7e35b03 JR |
605 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
606 | config_element_snapshot_mode, session->snapshot_mode); | |
607 | if (ret) { | |
608 | goto end; | |
609 | } | |
610 | ||
5e18ec73 | 611 | /* Live timer interval in usec */ |
c7e35b03 JR |
612 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
613 | config_element_live_timer_interval, | |
614 | session->live_timer_interval); | |
615 | if (ret) { | |
616 | goto end; | |
617 | } | |
618 | ||
619 | if (!is_open) { | |
620 | /* Closing session element */ | |
621 | ret = mi_lttng_writer_close_element(writer); | |
622 | } | |
623 | end: | |
624 | return ret; | |
625 | ||
626 | } | |
5e18ec73 JR |
627 | |
628 | LTTNG_HIDDEN | |
629 | int mi_lttng_domains_open(struct mi_writer *writer) | |
630 | { | |
631 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
632 | } | |
633 | ||
634 | LTTNG_HIDDEN | |
635 | int mi_lttng_domain(struct mi_writer *writer, | |
636 | struct lttng_domain *domain, int is_open) | |
637 | { | |
638 | int ret = 0; | |
639 | const char *str_domain; | |
640 | const char *str_buffer; | |
641 | ||
642 | assert(domain); | |
643 | ||
644 | /* Open domain element */ | |
645 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
646 | if (ret) { | |
647 | goto end; | |
648 | } | |
649 | ||
650 | /* Domain Type */ | |
651 | str_domain = mi_lttng_domaintype_string(domain->type); | |
652 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
653 | str_domain); | |
654 | if (ret) { | |
655 | goto end; | |
656 | } | |
657 | ||
658 | /* Buffer Type */ | |
659 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
660 | ret = mi_lttng_writer_write_element_string(writer, | |
661 | config_element_buffer_type, str_buffer); | |
662 | if (ret) { | |
663 | goto end; | |
664 | } | |
665 | ||
d813f89b JRJ |
666 | /* TODO: union attr |
667 | * This union is not currently used and was added for | |
668 | * future ust domain support. | |
669 | * Date: 25-06-2014 | |
670 | * */ | |
5e18ec73 JR |
671 | |
672 | if (!is_open) { | |
673 | /* Closing domain element */ | |
674 | ret = mi_lttng_writer_close_element(writer); | |
675 | } | |
676 | ||
677 | end: | |
678 | return ret; | |
679 | ||
680 | } | |
681 | ||
682 | LTTNG_HIDDEN | |
683 | int mi_lttng_channels_open(struct mi_writer *writer) | |
684 | { | |
685 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
686 | } | |
687 | ||
688 | LTTNG_HIDDEN | |
689 | int mi_lttng_channel(struct mi_writer *writer, | |
690 | struct lttng_channel *channel, int is_open) | |
691 | { | |
692 | int ret = 0; | |
693 | ||
694 | assert(channel); | |
695 | ||
696 | /* Opening channel element */ | |
697 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
698 | if (ret) { | |
699 | goto end; | |
700 | } | |
701 | ||
702 | /* Name */ | |
703 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
704 | channel->name); | |
705 | if (ret) { | |
706 | goto end; | |
707 | } | |
708 | ||
709 | /* Enabled ? */ | |
710 | ret = mi_lttng_writer_write_element_bool(writer, | |
711 | config_element_enabled, channel->enabled); | |
712 | if (ret) { | |
713 | goto end; | |
714 | } | |
715 | ||
716 | /* Attribute */ | |
717 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
718 | if (ret) { | |
719 | goto end; | |
720 | } | |
721 | ||
722 | if (!is_open) { | |
723 | /* Closing channel element */ | |
724 | ret = mi_lttng_writer_close_element(writer); | |
725 | if (ret) { | |
726 | goto end; | |
727 | } | |
728 | } | |
729 | end: | |
730 | return ret; | |
731 | } | |
732 | ||
733 | LTTNG_HIDDEN | |
734 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
735 | struct lttng_channel_attr *attr) | |
736 | { | |
737 | int ret = 0; | |
738 | ||
739 | assert(attr); | |
740 | ||
741 | /* Opening Attributes */ | |
742 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
743 | if (ret) { | |
744 | goto end; | |
745 | } | |
746 | ||
747 | /* Overwrite */ | |
748 | ret = mi_lttng_writer_write_element_string(writer, | |
749 | config_element_overwrite_mode, | |
750 | attr->overwrite ? config_overwrite_mode_overwrite : | |
751 | config_overwrite_mode_discard); | |
752 | if (ret) { | |
753 | goto end; | |
754 | } | |
755 | ||
756 | /* Sub buffer size in byte */ | |
757 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
758 | config_element_subbuf_size, attr->subbuf_size); | |
759 | if (ret) { | |
760 | goto end; | |
761 | } | |
762 | ||
763 | /* Number of subbuffer (power of two) */ | |
764 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
765 | config_element_num_subbuf, | |
766 | attr->num_subbuf); | |
767 | if (ret) { | |
768 | goto end; | |
769 | } | |
770 | ||
771 | /* Switch timer interval in usec */ | |
772 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
773 | config_element_switch_timer_interval, | |
774 | attr->switch_timer_interval); | |
775 | if (ret) { | |
776 | goto end; | |
777 | } | |
778 | ||
779 | /* Read timer interval in usec */ | |
780 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
781 | config_element_read_timer_interval, | |
782 | attr->read_timer_interval); | |
783 | if (ret) { | |
784 | goto end; | |
785 | } | |
786 | ||
787 | /* Event output */ | |
788 | ret = mi_lttng_writer_write_element_string(writer, | |
789 | config_element_output_type, | |
790 | attr->output == LTTNG_EVENT_SPLICE ? | |
791 | config_output_type_splice : config_output_type_mmap); | |
792 | if (ret) { | |
793 | goto end; | |
794 | } | |
795 | ||
796 | /* Tracefile size in bytes */ | |
797 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
798 | config_element_tracefile_size, attr->tracefile_size); | |
799 | if (ret) { | |
800 | goto end; | |
801 | } | |
802 | ||
803 | /* Count of tracefiles */ | |
804 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
805 | config_element_tracefile_count, | |
806 | attr->tracefile_count); | |
807 | if (ret) { | |
808 | goto end; | |
809 | } | |
810 | ||
811 | /* Live timer interval in usec*/ | |
812 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
813 | config_element_live_timer_interval, | |
814 | attr->live_timer_interval); | |
815 | if (ret) { | |
816 | goto end; | |
817 | } | |
818 | ||
819 | /* Closing attributes */ | |
820 | ret = mi_lttng_writer_close_element(writer); | |
821 | if (ret) { | |
822 | goto end; | |
823 | } | |
824 | end: | |
825 | return ret; | |
826 | ||
827 | } | |
828 | ||
829 | LTTNG_HIDDEN | |
830 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
831 | struct lttng_event *event) | |
832 | { | |
833 | int ret; | |
834 | ||
835 | /* Open event element */ | |
836 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
837 | if (ret) { | |
838 | goto end; | |
839 | } | |
840 | ||
f4a088f7 | 841 | /* Event name */ |
5e18ec73 JR |
842 | ret = mi_lttng_writer_write_element_string(writer, |
843 | config_element_name, event->name); | |
844 | if (ret) { | |
845 | goto end; | |
846 | } | |
847 | ||
f4a088f7 | 848 | /* Event type */ |
5e18ec73 JR |
849 | ret = mi_lttng_writer_write_element_string(writer, |
850 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
851 | if (ret) { | |
852 | goto end; | |
853 | } | |
854 | ||
f4a088f7 | 855 | /* Is event enabled */ |
5e18ec73 JR |
856 | ret = mi_lttng_writer_write_element_bool(writer, |
857 | config_element_enabled, event->enabled); | |
858 | if (ret) { | |
859 | goto end; | |
860 | } | |
861 | ||
f4a088f7 | 862 | /* Event filter enabled? */ |
5e18ec73 JR |
863 | ret = mi_lttng_writer_write_element_bool(writer, |
864 | config_element_filter, event->filter); | |
865 | ||
866 | end: | |
867 | return ret; | |
868 | } | |
869 | ||
870 | LTTNG_HIDDEN | |
871 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
872 | struct lttng_event *event) | |
873 | { | |
874 | int ret; | |
875 | ||
f4a088f7 | 876 | /* Event loglevel */ |
5e18ec73 JR |
877 | ret = mi_lttng_writer_write_element_string(writer, |
878 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
879 | if (ret) { | |
880 | goto end; | |
881 | } | |
882 | ||
f4a088f7 | 883 | /* Log level type */ |
5e18ec73 JR |
884 | ret = mi_lttng_writer_write_element_string(writer, |
885 | config_element_loglevel_type, | |
886 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
887 | if (ret) { | |
888 | goto end; | |
889 | } | |
890 | ||
891 | /* event exclusion filter */ | |
892 | ret = mi_lttng_writer_write_element_bool(writer, | |
893 | config_element_exclusion, event->exclusion); | |
894 | if (ret) { | |
895 | goto end; | |
896 | } | |
897 | ||
898 | end: | |
899 | return ret; | |
900 | } | |
901 | ||
902 | LTTNG_HIDDEN | |
903 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
904 | struct lttng_event *event) | |
905 | { | |
906 | /* event exclusion filter */ | |
907 | return mi_lttng_writer_write_element_bool(writer, | |
908 | config_element_exclusion, event->exclusion); | |
909 | } | |
910 | ||
911 | LTTNG_HIDDEN | |
912 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
913 | struct lttng_event *event) | |
914 | { | |
915 | int ret; | |
916 | ||
917 | if (event->attr.probe.addr != 0) { | |
918 | /* event probe address */ | |
919 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
920 | config_element_address, event->attr.probe.addr); | |
921 | if (ret) { | |
922 | goto end; | |
923 | } | |
924 | } else { | |
925 | /* event probe offset */ | |
926 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
927 | config_element_offset, event->attr.probe.offset); | |
928 | if (ret) { | |
929 | goto end; | |
930 | } | |
931 | ||
932 | /* event probe symbol_name */ | |
933 | ret = mi_lttng_writer_write_element_string(writer, | |
934 | config_element_symbol_name, event->attr.probe.symbol_name); | |
935 | if (ret) { | |
936 | goto end; | |
937 | } | |
938 | } | |
939 | end: | |
940 | return ret; | |
941 | } | |
942 | ||
943 | LTTNG_HIDDEN | |
944 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
945 | struct lttng_event *event) | |
946 | { | |
947 | /* event probe symbol_name */ | |
948 | return mi_lttng_writer_write_element_string(writer, | |
949 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
950 | } | |
951 | ||
952 | LTTNG_HIDDEN | |
953 | int mi_lttng_events_open(struct mi_writer *writer) | |
954 | { | |
955 | return mi_lttng_writer_open_element(writer, config_element_events); | |
956 | } | |
957 | ||
958 | LTTNG_HIDDEN | |
959 | int mi_lttng_event(struct mi_writer *writer, | |
960 | struct lttng_event *event, int is_open) | |
961 | { | |
962 | int ret; | |
963 | ||
964 | ret = mi_lttng_event_common_attributes(writer, event); | |
965 | if (ret) { | |
966 | goto end; | |
967 | } | |
968 | ||
969 | switch (event->type) { | |
5e18ec73 JR |
970 | case LTTNG_EVENT_TRACEPOINT: |
971 | { | |
972 | if (event->loglevel != -1) { | |
973 | ret = mi_lttng_event_tracepoint_loglevel(writer, event); | |
974 | } else { | |
975 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
976 | } | |
977 | break; | |
978 | } | |
979 | case LTTNG_EVENT_PROBE: | |
980 | ret = mi_lttng_event_function_probe(writer, event); | |
981 | break; | |
982 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
983 | ret = mi_lttng_event_function_entry(writer, event); | |
984 | break; | |
89476427 JRJ |
985 | case LTTNG_EVENT_ALL: |
986 | /* Fallthrough */ | |
5e18ec73 JR |
987 | default: |
988 | break; | |
989 | } | |
990 | ||
991 | if (!is_open) { | |
992 | ret = mi_lttng_writer_close_element(writer); | |
993 | } | |
994 | ||
995 | end: | |
996 | return ret; | |
997 | } | |
998 | ||
999 | LTTNG_HIDDEN | |
1000 | int mi_lttng_pids_open(struct mi_writer *writer) | |
1001 | { | |
1002 | return mi_lttng_writer_open_element(writer, mi_lttng_element_pids); | |
1003 | } | |
1004 | ||
1005 | LTTNG_HIDDEN | |
1006 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline, | |
1007 | int is_open) | |
1008 | { | |
1009 | int ret; | |
1010 | ||
1011 | /* Open element pid */ | |
1012 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid); | |
1013 | if (ret) { | |
1014 | goto end; | |
1015 | } | |
1016 | ||
1017 | /* Writing pid number */ | |
1018 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1019 | mi_lttng_element_pid_id, (int)pid); | |
1020 | if (ret) { | |
1021 | goto end; | |
1022 | } | |
1023 | ||
1024 | /* Writing name of the process */ | |
1025 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1026 | cmdline); | |
1027 | if (ret) { | |
1028 | goto end; | |
1029 | } | |
1030 | ||
1031 | if (!is_open) { | |
1032 | /* Closing Pid */ | |
1033 | ret = mi_lttng_writer_close_element(writer); | |
1034 | } | |
1035 | ||
1036 | end: | |
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | LTTNG_HIDDEN | |
1041 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
1042 | { | |
1043 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
1044 | } | |
1045 | ||
1046 | LTTNG_HIDDEN | |
1047 | int mi_lttng_event_field(struct mi_writer *writer, | |
1048 | struct lttng_event_field *field) | |
1049 | { | |
1050 | int ret; | |
1051 | ||
1052 | if (!field->field_name[0]) { | |
5e18ec73 JR |
1053 | ret = 0; |
1054 | goto end; | |
1055 | } | |
1056 | ||
1057 | /* Open field */ | |
1058 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1059 | if (ret) { | |
1060 | goto end; | |
1061 | } | |
1062 | ||
1063 | if (!field->field_name[0]) { | |
1064 | goto close; | |
1065 | } | |
1066 | ||
1067 | /* Name */ | |
1068 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1069 | field->field_name); | |
1070 | if (ret) { | |
1071 | goto end; | |
1072 | } | |
1073 | ||
1074 | /* Type */ | |
1075 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1076 | mi_lttng_eventfieldtype_string(field->type)); | |
1077 | if (ret) { | |
1078 | goto end; | |
1079 | } | |
1080 | ||
1081 | /* nowrite */ | |
1082 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1083 | mi_lttng_element_nowrite, field->nowrite); | |
1084 | if (ret) { | |
1085 | goto end; | |
1086 | } | |
1087 | ||
1088 | close: | |
1089 | /* Close field element */ | |
1090 | ret = mi_lttng_writer_close_element(writer); | |
1091 | ||
1092 | end: | |
1093 | return ret; | |
1094 | } | |
7e66b1b0 JRJ |
1095 | |
1096 | LTTNG_HIDDEN | |
1097 | int mi_lttng_calibrate(struct mi_writer *writer, | |
1098 | struct lttng_calibrate *calibrate) | |
1099 | { | |
1100 | int ret; | |
1101 | ||
1102 | /* Open calibrate element */ | |
1103 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate); | |
1104 | if (ret) { | |
1105 | goto end; | |
1106 | } | |
1107 | ||
1108 | /* Calibration type */ | |
1109 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1110 | mi_lttng_calibratetype_string(calibrate->type)); | |
1111 | if (ret) { | |
1112 | goto end; | |
1113 | } | |
1114 | ||
1115 | /* Closing calibrate element */ | |
1116 | ret = mi_lttng_writer_close_element(writer); | |
1117 | end: | |
1118 | return ret; | |
1119 | } | |
89b72577 JRJ |
1120 | LTTNG_HIDDEN |
1121 | int mi_lttng_context(struct mi_writer *writer, | |
1122 | struct lttng_event_context *context, int is_open) | |
1123 | { | |
1124 | int ret; | |
1125 | const char *type_string; | |
1126 | struct lttng_event_perf_counter_ctx *perf_context; | |
1127 | /* Open context */ | |
1128 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
1129 | if (ret) { | |
1130 | goto end; | |
1131 | } | |
1132 | ||
1133 | type_string = mi_lttng_event_contexttype_string(context->ctx); | |
1134 | if (!type_string) { | |
1135 | ret = -LTTNG_ERR_INVALID; | |
1136 | goto end; | |
1137 | } | |
1138 | ||
1139 | /* Print context type */ | |
1140 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1141 | type_string); | |
1142 | ||
1143 | /* Special case for PERF_*_COUNTER | |
1144 | * print the lttng_event_perf_counter_ctx*/ | |
1145 | switch (context->ctx) { | |
1146 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1147 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1148 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1149 | perf_context = &context->u.perf_counter; | |
1150 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1151 | if (ret) { | |
1152 | goto end; | |
1153 | } | |
1154 | break; | |
1155 | default: | |
1156 | break; | |
1157 | } | |
1158 | ||
1159 | /* Close context */ | |
1160 | if (!is_open) { | |
1161 | ret = mi_lttng_writer_close_element(writer); | |
1162 | } | |
1163 | ||
1164 | end: | |
1165 | return ret; | |
1166 | } | |
1167 | ||
1168 | LTTNG_HIDDEN | |
1169 | int mi_lttng_perf_counter_context(struct mi_writer *writer, | |
1170 | struct lttng_event_perf_counter_ctx *perf_context) | |
1171 | { | |
1172 | int ret; | |
1173 | ||
1174 | /* Open perf_counter_context */ | |
1175 | ret = mi_lttng_writer_open_element(writer, | |
1176 | mi_lttng_element_perf_counter_context); | |
1177 | if (ret) { | |
1178 | goto end; | |
1179 | } | |
1180 | ||
1181 | /* Type */ | |
1182 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1183 | config_element_type, perf_context->type); | |
1184 | if (ret) { | |
1185 | goto end; | |
1186 | } | |
1187 | ||
1188 | /* Config */ | |
1189 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1190 | config_element_config, perf_context->config); | |
1191 | if (ret) { | |
1192 | goto end; | |
1193 | } | |
1194 | ||
1195 | /* Name of the perf counter */ | |
1196 | ret = mi_lttng_writer_write_element_string(writer, | |
1197 | config_element_name, perf_context->name); | |
1198 | if (ret) { | |
1199 | goto end; | |
1200 | } | |
1201 | ||
1202 | /* Close perf_counter_context */ | |
1203 | ret = mi_lttng_writer_close_element(writer); | |
1204 | end: | |
1205 | return ret; | |
1206 | } | |
50534d6f JRJ |
1207 | |
1208 | LTTNG_HIDDEN | |
1209 | int mi_lttng_snapshot_output_session_name(struct mi_writer *writer, | |
1210 | const char *session_name) | |
1211 | { | |
1212 | int ret; | |
1213 | ||
1214 | /* Open session element */ | |
1215 | ret = mi_lttng_writer_open_element(writer, config_element_session); | |
1216 | if (ret) { | |
1217 | goto end; | |
1218 | } | |
1219 | ||
1220 | /* Snapshot output list for current session name */ | |
1221 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1222 | session_name); | |
1223 | ||
1224 | /* Open element snapshots (sequence one snapshot) */ | |
1225 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots); | |
1226 | if (ret) { | |
1227 | goto end; | |
1228 | } | |
1229 | ||
1230 | end: | |
1231 | return ret; | |
1232 | } | |
1233 | ||
1234 | LTTNG_HIDDEN | |
1235 | int mi_lttng_snapshot_list_output(struct mi_writer *writer, | |
1236 | struct lttng_snapshot_output *output) | |
1237 | { | |
1238 | int ret; | |
1239 | ||
1240 | /* Open element snapshot output */ | |
1241 | ret = mi_lttng_writer_open_element(writer, | |
1242 | mi_lttng_element_command_snapshot); | |
1243 | if (ret) { | |
1244 | goto end; | |
1245 | } | |
1246 | ||
1247 | /* ID of the snapshot output */ | |
1248 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1249 | mi_lttng_element_id, output->id); | |
1250 | if (ret) { | |
1251 | goto end; | |
1252 | } | |
1253 | ||
1254 | /* Name of the output */ | |
1255 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1256 | output->name); | |
1257 | if (ret) { | |
1258 | goto end; | |
1259 | } | |
1260 | ||
1261 | /* Destination of the output (ctrl_url)*/ | |
1262 | ret = mi_lttng_writer_write_element_string(writer, | |
1263 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1264 | if (ret) { | |
1265 | goto end; | |
1266 | } | |
1267 | ||
1268 | /* Destination of the output (data_url) */ | |
1269 | ret = mi_lttng_writer_write_element_string(writer, | |
1270 | mi_lttng_element_snapshot_data_url, output->data_url); | |
1271 | if (ret) { | |
1272 | goto end; | |
1273 | } | |
1274 | ||
1275 | /* total size of all stream combined */ | |
1276 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1277 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1278 | if (ret) { | |
1279 | goto end; | |
1280 | } | |
1281 | ||
1282 | /* Close snapshot output element */ | |
1283 | ret = mi_lttng_writer_close_element(writer); | |
1284 | ||
1285 | end: | |
1286 | return ret; | |
1287 | } | |
1288 | ||
1289 | LTTNG_HIDDEN | |
1290 | int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id, | |
1291 | const char *name, const char *current_session_name) | |
1292 | { | |
1293 | int ret; | |
1294 | ||
1295 | /* Open element del_snapshot */ | |
1296 | ret = mi_lttng_writer_open_element(writer, | |
1297 | mi_lttng_element_command_snapshot); | |
1298 | if (ret) { | |
1299 | goto end; | |
1300 | } | |
1301 | ||
1302 | ||
1303 | if (id != UINT32_MAX) { | |
1304 | /* "Snapshot output "id" successfully deleted | |
1305 | * for "current_session_name" | |
1306 | * ID of the snapshot output | |
1307 | */ | |
1308 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1309 | mi_lttng_element_id, id); | |
1310 | if (ret) { | |
1311 | goto end; | |
1312 | } | |
1313 | } else { | |
1314 | /* "Snapshot output "name" successfully deleted | |
1315 | * for session "current_session_name" | |
1316 | * Name of the output | |
1317 | */ | |
1318 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1319 | name); | |
1320 | if (ret) { | |
1321 | goto end; | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | /* Snapshot was deleted for session "current_session_name"*/ | |
1326 | ret = mi_lttng_writer_write_element_string(writer, | |
1327 | mi_lttng_element_snapshot_session_name, | |
1328 | current_session_name); | |
1329 | if (ret) { | |
1330 | goto end; | |
1331 | } | |
1332 | ||
1333 | /* Close snapshot element */ | |
1334 | ret = mi_lttng_writer_close_element(writer); | |
1335 | ||
1336 | end: | |
1337 | return ret; | |
1338 | } | |
1339 | ||
1340 | LTTNG_HIDDEN | |
1341 | int mi_lttng_snapshot_add_output(struct mi_writer *writer, | |
1342 | const char *current_session_name, const char *n_ptr, | |
1343 | struct lttng_snapshot_output *output) | |
1344 | { | |
1345 | int ret; | |
1346 | ||
1347 | /* Open element snapshot */ | |
1348 | ret = mi_lttng_writer_open_element(writer, | |
1349 | mi_lttng_element_command_snapshot); | |
1350 | if (ret) { | |
1351 | goto end; | |
1352 | } | |
1353 | ||
1354 | /* Snapshot output id */ | |
1355 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1356 | mi_lttng_element_id, output->id); | |
1357 | if (ret) { | |
1358 | goto end; | |
1359 | } | |
1360 | ||
1361 | /* Snapshot output names */ | |
1362 | ret = mi_lttng_writer_write_element_string(writer, | |
1363 | config_element_name, n_ptr); | |
1364 | if (ret) { | |
1365 | goto end; | |
1366 | } | |
1367 | ||
1368 | /* Destination of the output (ctrl_url)*/ | |
1369 | ret = mi_lttng_writer_write_element_string(writer, | |
1370 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1371 | if (ret) { | |
1372 | goto end; | |
1373 | } | |
1374 | ||
1375 | /* Snapshot added for session "current_session_name"*/ | |
1376 | ret = mi_lttng_writer_write_element_string(writer, | |
1377 | mi_lttng_element_snapshot_session_name, current_session_name); | |
1378 | if (ret) { | |
1379 | goto end; | |
1380 | } | |
1381 | ||
1382 | /* total size of all stream combined */ | |
1383 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1384 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1385 | if (ret) { | |
1386 | goto end; | |
1387 | } | |
1388 | ||
1389 | /* Close snapshot element */ | |
1390 | ret = mi_lttng_writer_close_element(writer); | |
1391 | ||
1392 | end: | |
1393 | return ret; | |
1394 | } | |
1395 | ||
1396 | LTTNG_HIDDEN | |
1397 | int mi_lttng_snapshot_record(struct mi_writer *writer, | |
1398 | const char *current_session_name, const char *url, | |
1399 | const char *cmdline_ctrl_url, const char *cmdline_data_url) | |
1400 | { | |
1401 | int ret; | |
1402 | ||
1403 | /* Open element snapshot */ | |
1404 | ret = mi_lttng_writer_open_element(writer, | |
1405 | mi_lttng_element_command_snapshot); | |
1406 | if (ret) { | |
1407 | goto end; | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * If a valid an URL was given, serialize it, | |
1412 | * else take the command line data and ctrl urls*/ | |
1413 | if (url) { | |
1414 | /* Destination of the output (ctrl_url)*/ | |
1415 | ret = mi_lttng_writer_write_element_string(writer, | |
1416 | mi_lttng_element_snapshot_ctrl_url, url); | |
1417 | if (ret) { | |
1418 | goto end; | |
1419 | } | |
1420 | } else if (cmdline_ctrl_url) { | |
1421 | /* Destination of the output (ctrl_url)*/ | |
1422 | ret = mi_lttng_writer_write_element_string(writer, | |
1423 | mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url); | |
1424 | if (ret) { | |
1425 | goto end; | |
1426 | } | |
1427 | ||
1428 | /* Destination of the output (data_url) */ | |
1429 | ret = mi_lttng_writer_write_element_string(writer, | |
1430 | mi_lttng_element_snapshot_data_url, cmdline_data_url); | |
1431 | if (ret) { | |
1432 | goto end; | |
1433 | } | |
1434 | } | |
1435 | ||
1436 | /* Close record_snapshot element */ | |
1437 | ret = mi_lttng_writer_close_element(writer); | |
1438 | ||
1439 | end: | |
1440 | return ret; | |
1441 | } |