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> | |
c7e35b03 JR |
22 | #include "mi-lttng.h" |
23 | ||
5e18ec73 JR |
24 | #include <assert.h> |
25 | ||
c7e35b03 JR |
26 | /* Strings related to command */ |
27 | const char * const mi_lttng_element_command = "command"; | |
37d03ff7 | 28 | const char * const mi_lttng_element_command_name = "name"; |
c7e35b03 JR |
29 | const char * const mi_lttng_element_command_version = "version"; |
30 | const char * const mi_lttng_element_command_list = "list"; | |
1734c658 JRJ |
31 | const char * const mi_lttng_element_command_save = "save"; |
32 | const char * const mi_lttng_element_command_load = "load"; | |
1cfc0bc8 | 33 | const char * const mi_lttng_element_command_start = "start"; |
e5b83100 | 34 | const char * const mi_lttng_element_command_stop = "stop"; |
37d03ff7 | 35 | const char * const mi_lttng_element_command_create = "create"; |
65f25c66 | 36 | const char * const mi_lttng_element_command_destroy = "destroy"; |
7e66b1b0 | 37 | const char * const mi_lttng_element_command_calibrate = "calibrate"; |
89b72577 | 38 | const char * const mi_lttng_element_command_add_context = "add-context"; |
acc09215 | 39 | const char * const mi_lttng_element_command_enable_channels = "enable-channel"; |
c7e35b03 | 40 | const char * const mi_lttng_element_command_output = "output"; |
1734c658 | 41 | const char * const mi_lttng_element_command_success = "success"; |
c7e35b03 | 42 | |
1734c658 | 43 | /* Strings related to version command */ |
c7e35b03 JR |
44 | const char * const mi_lttng_element_version = "version"; |
45 | const char * const mi_lttng_element_version_str = "string"; | |
46 | const char * const mi_lttng_element_version_web = "url"; | |
47 | const char * const mi_lttng_element_version_major = "major"; | |
48 | const char * const mi_lttng_element_version_minor = "minor"; | |
314d5222 | 49 | const char * const mi_lttng_element_version_commit = "commit"; |
c7e35b03 JR |
50 | const char * const mi_lttng_element_version_license = "license"; |
51 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; | |
52 | const char * const mi_lttng_element_version_description = "description"; | |
53 | ||
5e18ec73 JR |
54 | /* Strings related to pid */ |
55 | const char * const mi_lttng_element_pids = "pids"; | |
56 | const char * const mi_lttng_element_pid = "pid"; | |
57 | const char * const mi_lttng_element_pid_id = "id"; | |
58 | ||
1734c658 JRJ |
59 | /* Strings related to save command */ |
60 | const char * const mi_lttng_element_save = "save"; | |
61 | ||
62 | /* Strings related to load command */ | |
63 | const char * const mi_lttng_element_load = "load"; | |
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 | ||
5e18ec73 JR |
77 | /* General elements of mi_lttng */ |
78 | const char * const mi_lttng_element_type_other = "OTHER"; | |
79 | const char * const mi_lttng_element_type_integer = "INTEGER"; | |
80 | const char * const mi_lttng_element_type_enum = "ENUM"; | |
81 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
82 | const char * const mi_lttng_element_type_string = "STRING"; | |
83 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
89b72577 | 84 | const char * const mi_lttng_element_success = "success"; |
5e18ec73 JR |
85 | |
86 | /* String related to loglevel */ | |
87 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
88 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
89 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
90 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
91 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
92 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
93 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
94 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
95 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
96 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
97 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
98 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
99 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
100 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
101 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
102 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
103 | ||
1734c658 | 104 | /* String related to loglevel type */ |
5e18ec73 JR |
105 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
106 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
107 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
108 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
109 | ||
7e66b1b0 JRJ |
110 | /* String related to lttng_calibrate */ |
111 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
112 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
113 | ||
5e18ec73 JR |
114 | const char * const mi_lttng_element_empty = ""; |
115 | ||
116 | const char *mi_lttng_loglevel_string(int value) | |
117 | { | |
118 | switch (value) { | |
119 | case -1: | |
120 | return mi_lttng_element_empty; | |
121 | case LTTNG_LOGLEVEL_EMERG: | |
122 | return mi_lttng_loglevel_str_emerg; | |
123 | case LTTNG_LOGLEVEL_ALERT: | |
124 | return mi_lttng_loglevel_str_alert; | |
125 | case LTTNG_LOGLEVEL_CRIT: | |
126 | return mi_lttng_loglevel_str_crit; | |
127 | case LTTNG_LOGLEVEL_ERR: | |
128 | return mi_lttng_loglevel_str_err; | |
129 | case LTTNG_LOGLEVEL_WARNING: | |
130 | return mi_lttng_loglevel_str_warning; | |
131 | case LTTNG_LOGLEVEL_NOTICE: | |
132 | return mi_lttng_loglevel_str_notice; | |
133 | case LTTNG_LOGLEVEL_INFO: | |
134 | return mi_lttng_loglevel_str_info; | |
135 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
136 | return mi_lttng_loglevel_str_debug_system; | |
137 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
138 | return mi_lttng_loglevel_str_debug_program; | |
139 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
140 | return mi_lttng_loglevel_str_debug_process; | |
141 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
142 | return mi_lttng_loglevel_str_debug_module; | |
143 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
144 | return mi_lttng_loglevel_str_debug_unit; | |
145 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
146 | return mi_lttng_loglevel_str_debug_function; | |
147 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
148 | return mi_lttng_loglevel_str_debug_line; | |
149 | case LTTNG_LOGLEVEL_DEBUG: | |
150 | return mi_lttng_loglevel_str_debug; | |
151 | default: | |
152 | return mi_lttng_loglevel_str_unknown; | |
153 | } | |
154 | } | |
155 | ||
156 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
157 | { | |
158 | switch (value) { | |
159 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
160 | return mi_lttng_loglevel_type_all; | |
161 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
162 | return mi_lttng_loglevel_type_range; | |
163 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
164 | return mi_lttng_loglevel_type_single; | |
165 | default: | |
166 | return mi_lttng_loglevel_type_unknown; | |
167 | } | |
168 | } | |
169 | ||
170 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
171 | { | |
172 | switch (value) { | |
173 | case LTTNG_EVENT_ALL: | |
174 | return config_event_type_all; | |
175 | case LTTNG_EVENT_TRACEPOINT: | |
176 | return config_event_type_tracepoint; | |
177 | case LTTNG_EVENT_PROBE: | |
178 | return config_event_type_probe; | |
179 | case LTTNG_EVENT_FUNCTION: | |
180 | return config_event_type_function; | |
181 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
182 | return config_event_type_function_entry; | |
183 | case LTTNG_EVENT_SYSCALL: | |
184 | return config_event_type_syscall; | |
185 | case LTTNG_EVENT_NOOP: | |
186 | return config_event_type_noop; | |
187 | default: | |
188 | return mi_lttng_element_empty; | |
189 | } | |
190 | } | |
191 | ||
89b72577 JRJ |
192 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
193 | { | |
194 | switch (val) { | |
195 | case LTTNG_EVENT_CONTEXT_PID: | |
196 | return config_event_context_pid; | |
197 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
198 | return mi_lttng_context_type_perf_counter; | |
199 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
200 | return mi_lttng_context_type_perf_thread_counter; | |
201 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
202 | return mi_lttng_context_type_perf_cpu_counter; | |
203 | case LTTNG_EVENT_CONTEXT_PROCNAME: | |
204 | return config_event_context_procname; | |
205 | case LTTNG_EVENT_CONTEXT_PRIO: | |
206 | return config_event_context_prio; | |
207 | case LTTNG_EVENT_CONTEXT_NICE: | |
208 | return config_event_context_nice; | |
209 | case LTTNG_EVENT_CONTEXT_VPID: | |
210 | return config_event_context_vpid; | |
211 | case LTTNG_EVENT_CONTEXT_TID: | |
212 | return config_event_context_tid; | |
213 | case LTTNG_EVENT_CONTEXT_VTID: | |
214 | return config_event_context_vtid; | |
215 | case LTTNG_EVENT_CONTEXT_PPID: | |
216 | return config_event_context_ppid; | |
217 | case LTTNG_EVENT_CONTEXT_VPPID: | |
218 | return config_event_context_vppid; | |
219 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
220 | return config_event_context_pthread_id; | |
221 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
222 | return config_event_context_hostname; | |
223 | case LTTNG_EVENT_CONTEXT_IP: | |
224 | return config_event_context_ip; | |
225 | default: | |
226 | return NULL; | |
227 | } | |
228 | } | |
229 | ||
5e18ec73 JR |
230 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
231 | { | |
232 | switch (val) { | |
233 | case(LTTNG_EVENT_FIELD_INTEGER): | |
234 | return mi_lttng_element_type_integer; | |
235 | case(LTTNG_EVENT_FIELD_ENUM): | |
236 | return mi_lttng_element_type_enum; | |
237 | case(LTTNG_EVENT_FIELD_FLOAT): | |
238 | return mi_lttng_element_type_float; | |
239 | case(LTTNG_EVENT_FIELD_STRING): | |
240 | return mi_lttng_element_type_string; | |
241 | default: | |
242 | return mi_lttng_element_type_other; | |
243 | } | |
244 | } | |
245 | ||
246 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
247 | { | |
248 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
249 | switch (value) { | |
250 | case LTTNG_DOMAIN_KERNEL: | |
251 | return config_domain_type_kernel; | |
252 | case LTTNG_DOMAIN_UST: | |
253 | return config_domain_type_ust; | |
254 | case LTTNG_DOMAIN_JUL: | |
255 | return config_domain_type_jul; | |
256 | default: | |
257 | /* Should not have an unknown domain */ | |
258 | assert(0); | |
259 | } | |
260 | } | |
261 | ||
262 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
263 | { | |
264 | switch (value) { | |
265 | case LTTNG_BUFFER_PER_PID: | |
266 | return config_buffer_type_per_pid; | |
267 | case LTTNG_BUFFER_PER_UID: | |
268 | return config_buffer_type_per_uid; | |
269 | case LTTNG_BUFFER_GLOBAL: | |
270 | return config_buffer_type_global; | |
271 | default: | |
272 | /* Should not have an unknow buffer type */ | |
273 | assert(0); | |
274 | } | |
275 | } | |
276 | ||
7e66b1b0 JRJ |
277 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
278 | { | |
279 | const char *ret; | |
280 | ||
281 | switch (val) { | |
282 | case LTTNG_CALIBRATE_FUNCTION: | |
283 | ret = mi_lttng_element_calibrate_function; | |
284 | break; | |
285 | default: | |
286 | ret = mi_lttng_element_empty; | |
287 | break; | |
288 | } | |
289 | return ret; | |
290 | } | |
291 | ||
c7e35b03 JR |
292 | LTTNG_HIDDEN |
293 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
294 | { | |
295 | struct mi_writer *mi_writer; | |
296 | ||
297 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
298 | if (!mi_writer) { | |
299 | PERROR("zmalloc mi_writer_create"); | |
300 | goto end; | |
301 | } | |
302 | if (mi_output_type == LTTNG_MI_XML) { | |
303 | mi_writer->writer = config_writer_create(fd_output); | |
304 | if (!mi_writer->writer) { | |
305 | goto err_destroy; | |
306 | } | |
307 | mi_writer->type = LTTNG_MI_XML; | |
308 | } else { | |
309 | goto err_destroy; | |
310 | } | |
311 | ||
312 | end: | |
313 | return mi_writer; | |
314 | ||
315 | err_destroy: | |
316 | free(mi_writer); | |
317 | return NULL; | |
318 | } | |
319 | ||
320 | LTTNG_HIDDEN | |
321 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
322 | { | |
323 | int ret; | |
324 | ||
325 | if (!writer) { | |
326 | ret = -EINVAL; | |
327 | goto end; | |
328 | } | |
329 | ||
330 | ret = config_writer_destroy(writer->writer); | |
331 | if (ret < 0) { | |
332 | goto end; | |
333 | } | |
334 | ||
335 | free(writer); | |
336 | end: | |
337 | return ret; | |
338 | } | |
339 | ||
340 | LTTNG_HIDDEN | |
341 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
342 | { | |
343 | int ret; | |
344 | ||
345 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
346 | if (ret) { | |
347 | goto end; | |
348 | } | |
349 | ret = mi_lttng_writer_write_element_string(writer, | |
350 | mi_lttng_element_command_name, command); | |
351 | end: | |
352 | return ret; | |
353 | } | |
354 | ||
355 | LTTNG_HIDDEN | |
356 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
357 | { | |
358 | return mi_lttng_writer_close_element(writer); | |
359 | } | |
360 | ||
361 | LTTNG_HIDDEN | |
362 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
363 | const char *element_name) | |
364 | { | |
365 | return config_writer_open_element(writer->writer, element_name); | |
366 | } | |
367 | ||
368 | LTTNG_HIDDEN | |
369 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
370 | { | |
371 | return config_writer_close_element(writer->writer); | |
372 | } | |
373 | ||
5e18ec73 JR |
374 | LTTNG_HIDDEN |
375 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
376 | unsigned int nb_element) | |
377 | { | |
378 | int ret, i; | |
379 | ||
380 | if (nb_element < 1) { | |
381 | ret = 0; | |
382 | goto end; | |
383 | } | |
384 | for (i = 0; i < nb_element; i++) { | |
385 | ret = mi_lttng_writer_close_element(writer); | |
386 | if (ret) { | |
387 | goto end; | |
388 | } | |
389 | } | |
390 | end: | |
391 | return ret; | |
392 | } | |
393 | ||
c7e35b03 JR |
394 | LTTNG_HIDDEN |
395 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
396 | const char *element_name, uint64_t value) | |
397 | { | |
398 | return config_writer_write_element_unsigned_int(writer->writer, | |
399 | element_name, value); | |
400 | } | |
401 | ||
402 | LTTNG_HIDDEN | |
403 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
404 | const char *element_name, int64_t value) | |
405 | { | |
406 | return config_writer_write_element_signed_int(writer->writer, | |
407 | element_name, value); | |
408 | } | |
409 | ||
410 | LTTNG_HIDDEN | |
411 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
412 | const char *element_name, int value) | |
413 | { | |
414 | return config_writer_write_element_bool(writer->writer, | |
415 | element_name, value); | |
416 | } | |
417 | ||
418 | LTTNG_HIDDEN | |
419 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
420 | const char *element_name, const char *value) | |
421 | { | |
422 | return config_writer_write_element_string(writer->writer, | |
423 | element_name, value); | |
424 | } | |
425 | ||
426 | LTTNG_HIDDEN | |
427 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
428 | const char *lttng_description, const char *lttng_license) | |
429 | { | |
430 | int ret; | |
431 | ||
432 | /* Open version */ | |
433 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
434 | if (ret) { | |
435 | goto end; | |
436 | } | |
437 | ||
438 | /* Version string (contain info like rc etc.) */ | |
439 | ret = mi_lttng_writer_write_element_string(writer, | |
440 | mi_lttng_element_version_str, VERSION); | |
441 | if (ret) { | |
442 | goto end; | |
443 | } | |
444 | ||
445 | /* Major version number */ | |
446 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
447 | mi_lttng_element_version_major, version->version_major); | |
448 | if (ret) { | |
449 | goto end; | |
450 | } | |
451 | ||
452 | /* Minor version number */ | |
453 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
454 | mi_lttng_element_version_minor, version->version_minor); | |
455 | if (ret) { | |
456 | goto end; | |
457 | } | |
458 | ||
314d5222 JRJ |
459 | /* Commit version number */ |
460 | ret = mi_lttng_writer_write_element_string(writer, | |
461 | mi_lttng_element_version_commit, version->version_commit); | |
462 | if (ret) { | |
463 | goto end; | |
464 | } | |
465 | ||
c7e35b03 JR |
466 | /* Patch number */ |
467 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
468 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
469 | if (ret) { | |
470 | goto end; | |
471 | } | |
472 | ||
473 | /* Name of the version */ | |
474 | ret = mi_lttng_writer_write_element_string(writer, | |
475 | config_element_name, version->version_name); | |
476 | if (ret) { | |
477 | goto end; | |
478 | } | |
479 | ||
480 | /* Description mostly related to beer... */ | |
481 | ret = mi_lttng_writer_write_element_string(writer, | |
482 | mi_lttng_element_version_description, lttng_description); | |
483 | if (ret) { | |
484 | goto end; | |
485 | } | |
486 | ||
487 | /* url */ | |
488 | ret = mi_lttng_writer_write_element_string(writer, | |
489 | mi_lttng_element_version_web, version->package_url); | |
490 | if (ret) { | |
491 | goto end; | |
492 | } | |
493 | ||
494 | /* License: free as in free beer...no...*speech* */ | |
495 | ret = mi_lttng_writer_write_element_string(writer, | |
496 | mi_lttng_element_version_license, lttng_license); | |
497 | if (ret) { | |
498 | goto end; | |
499 | } | |
500 | ||
501 | /* Close version element */ | |
502 | ret = mi_lttng_writer_close_element(writer); | |
503 | ||
504 | end: | |
505 | return ret; | |
506 | } | |
507 | ||
5e18ec73 JR |
508 | LTTNG_HIDDEN |
509 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
510 | { | |
511 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
512 | } | |
513 | ||
c7e35b03 JR |
514 | LTTNG_HIDDEN |
515 | int mi_lttng_session(struct mi_writer *writer, | |
516 | struct lttng_session *session, int is_open) | |
517 | { | |
518 | int ret; | |
519 | ||
5e18ec73 JR |
520 | assert(session); |
521 | ||
522 | /* Open sessions element */ | |
c7e35b03 JR |
523 | ret = mi_lttng_writer_open_element(writer, |
524 | config_element_session); | |
525 | if (ret) { | |
526 | goto end; | |
527 | } | |
528 | ||
529 | /* Name of the session */ | |
530 | ret = mi_lttng_writer_write_element_string(writer, | |
531 | config_element_name, session->name); | |
532 | if (ret) { | |
533 | goto end; | |
534 | } | |
535 | ||
5e18ec73 | 536 | /* Path */ |
c7e35b03 JR |
537 | ret = mi_lttng_writer_write_element_string(writer, |
538 | config_element_path, session->path); | |
539 | if (ret) { | |
540 | goto end; | |
541 | } | |
542 | ||
5e18ec73 JR |
543 | /* Enabled ? */ |
544 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
545 | config_element_enabled, session->enabled); |
546 | if (ret) { | |
547 | goto end; | |
548 | } | |
549 | ||
5e18ec73 | 550 | /* Snapshot mode */ |
c7e35b03 JR |
551 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
552 | config_element_snapshot_mode, session->snapshot_mode); | |
553 | if (ret) { | |
554 | goto end; | |
555 | } | |
556 | ||
5e18ec73 | 557 | /* Live timer interval in usec */ |
c7e35b03 JR |
558 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
559 | config_element_live_timer_interval, | |
560 | session->live_timer_interval); | |
561 | if (ret) { | |
562 | goto end; | |
563 | } | |
564 | ||
565 | if (!is_open) { | |
566 | /* Closing session element */ | |
567 | ret = mi_lttng_writer_close_element(writer); | |
568 | } | |
569 | end: | |
570 | return ret; | |
571 | ||
572 | } | |
5e18ec73 JR |
573 | |
574 | LTTNG_HIDDEN | |
575 | int mi_lttng_domains_open(struct mi_writer *writer) | |
576 | { | |
577 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
578 | } | |
579 | ||
580 | LTTNG_HIDDEN | |
581 | int mi_lttng_domain(struct mi_writer *writer, | |
582 | struct lttng_domain *domain, int is_open) | |
583 | { | |
584 | int ret = 0; | |
585 | const char *str_domain; | |
586 | const char *str_buffer; | |
587 | ||
588 | assert(domain); | |
589 | ||
590 | /* Open domain element */ | |
591 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
592 | if (ret) { | |
593 | goto end; | |
594 | } | |
595 | ||
596 | /* Domain Type */ | |
597 | str_domain = mi_lttng_domaintype_string(domain->type); | |
598 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
599 | str_domain); | |
600 | if (ret) { | |
601 | goto end; | |
602 | } | |
603 | ||
604 | /* Buffer Type */ | |
605 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
606 | ret = mi_lttng_writer_write_element_string(writer, | |
607 | config_element_buffer_type, str_buffer); | |
608 | if (ret) { | |
609 | goto end; | |
610 | } | |
611 | ||
612 | /* TODO: attr... not sure how to use the union.... */ | |
613 | ||
614 | if (!is_open) { | |
615 | /* Closing domain element */ | |
616 | ret = mi_lttng_writer_close_element(writer); | |
617 | } | |
618 | ||
619 | end: | |
620 | return ret; | |
621 | ||
622 | } | |
623 | ||
624 | LTTNG_HIDDEN | |
625 | int mi_lttng_channels_open(struct mi_writer *writer) | |
626 | { | |
627 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
628 | } | |
629 | ||
630 | LTTNG_HIDDEN | |
631 | int mi_lttng_channel(struct mi_writer *writer, | |
632 | struct lttng_channel *channel, int is_open) | |
633 | { | |
634 | int ret = 0; | |
635 | ||
636 | assert(channel); | |
637 | ||
638 | /* Opening channel element */ | |
639 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
640 | if (ret) { | |
641 | goto end; | |
642 | } | |
643 | ||
644 | /* Name */ | |
645 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
646 | channel->name); | |
647 | if (ret) { | |
648 | goto end; | |
649 | } | |
650 | ||
651 | /* Enabled ? */ | |
652 | ret = mi_lttng_writer_write_element_bool(writer, | |
653 | config_element_enabled, channel->enabled); | |
654 | if (ret) { | |
655 | goto end; | |
656 | } | |
657 | ||
658 | /* Attribute */ | |
659 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
660 | if (ret) { | |
661 | goto end; | |
662 | } | |
663 | ||
664 | if (!is_open) { | |
665 | /* Closing channel element */ | |
666 | ret = mi_lttng_writer_close_element(writer); | |
667 | if (ret) { | |
668 | goto end; | |
669 | } | |
670 | } | |
671 | end: | |
672 | return ret; | |
673 | } | |
674 | ||
675 | LTTNG_HIDDEN | |
676 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
677 | struct lttng_channel_attr *attr) | |
678 | { | |
679 | int ret = 0; | |
680 | ||
681 | assert(attr); | |
682 | ||
683 | /* Opening Attributes */ | |
684 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
685 | if (ret) { | |
686 | goto end; | |
687 | } | |
688 | ||
689 | /* Overwrite */ | |
690 | ret = mi_lttng_writer_write_element_string(writer, | |
691 | config_element_overwrite_mode, | |
692 | attr->overwrite ? config_overwrite_mode_overwrite : | |
693 | config_overwrite_mode_discard); | |
694 | if (ret) { | |
695 | goto end; | |
696 | } | |
697 | ||
698 | /* Sub buffer size in byte */ | |
699 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
700 | config_element_subbuf_size, attr->subbuf_size); | |
701 | if (ret) { | |
702 | goto end; | |
703 | } | |
704 | ||
705 | /* Number of subbuffer (power of two) */ | |
706 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
707 | config_element_num_subbuf, | |
708 | attr->num_subbuf); | |
709 | if (ret) { | |
710 | goto end; | |
711 | } | |
712 | ||
713 | /* Switch timer interval in usec */ | |
714 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
715 | config_element_switch_timer_interval, | |
716 | attr->switch_timer_interval); | |
717 | if (ret) { | |
718 | goto end; | |
719 | } | |
720 | ||
721 | /* Read timer interval in usec */ | |
722 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
723 | config_element_read_timer_interval, | |
724 | attr->read_timer_interval); | |
725 | if (ret) { | |
726 | goto end; | |
727 | } | |
728 | ||
729 | /* Event output */ | |
730 | ret = mi_lttng_writer_write_element_string(writer, | |
731 | config_element_output_type, | |
732 | attr->output == LTTNG_EVENT_SPLICE ? | |
733 | config_output_type_splice : config_output_type_mmap); | |
734 | if (ret) { | |
735 | goto end; | |
736 | } | |
737 | ||
738 | /* Tracefile size in bytes */ | |
739 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
740 | config_element_tracefile_size, attr->tracefile_size); | |
741 | if (ret) { | |
742 | goto end; | |
743 | } | |
744 | ||
745 | /* Count of tracefiles */ | |
746 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
747 | config_element_tracefile_count, | |
748 | attr->tracefile_count); | |
749 | if (ret) { | |
750 | goto end; | |
751 | } | |
752 | ||
753 | /* Live timer interval in usec*/ | |
754 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
755 | config_element_live_timer_interval, | |
756 | attr->live_timer_interval); | |
757 | if (ret) { | |
758 | goto end; | |
759 | } | |
760 | ||
761 | /* Closing attributes */ | |
762 | ret = mi_lttng_writer_close_element(writer); | |
763 | if (ret) { | |
764 | goto end; | |
765 | } | |
766 | end: | |
767 | return ret; | |
768 | ||
769 | } | |
770 | ||
771 | LTTNG_HIDDEN | |
772 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
773 | struct lttng_event *event) | |
774 | { | |
775 | int ret; | |
776 | ||
777 | /* Open event element */ | |
778 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
779 | if (ret) { | |
780 | goto end; | |
781 | } | |
782 | ||
783 | /* event name */ | |
784 | ret = mi_lttng_writer_write_element_string(writer, | |
785 | config_element_name, event->name); | |
786 | if (ret) { | |
787 | goto end; | |
788 | } | |
789 | ||
790 | /* event type */ | |
791 | ret = mi_lttng_writer_write_element_string(writer, | |
792 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
793 | if (ret) { | |
794 | goto end; | |
795 | } | |
796 | ||
797 | /* is event enabled */ | |
798 | ret = mi_lttng_writer_write_element_bool(writer, | |
799 | config_element_enabled, event->enabled); | |
800 | if (ret) { | |
801 | goto end; | |
802 | } | |
803 | ||
804 | /* event filter enabled? */ | |
805 | ret = mi_lttng_writer_write_element_bool(writer, | |
806 | config_element_filter, event->filter); | |
807 | ||
808 | end: | |
809 | return ret; | |
810 | } | |
811 | ||
812 | LTTNG_HIDDEN | |
813 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
814 | struct lttng_event *event) | |
815 | { | |
816 | int ret; | |
817 | ||
818 | /* event loglevel */ | |
819 | ret = mi_lttng_writer_write_element_string(writer, | |
820 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
821 | if (ret) { | |
822 | goto end; | |
823 | } | |
824 | ||
825 | ret = mi_lttng_writer_write_element_string(writer, | |
826 | config_element_loglevel_type, | |
827 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
828 | if (ret) { | |
829 | goto end; | |
830 | } | |
831 | ||
832 | /* event exclusion filter */ | |
833 | ret = mi_lttng_writer_write_element_bool(writer, | |
834 | config_element_exclusion, event->exclusion); | |
835 | if (ret) { | |
836 | goto end; | |
837 | } | |
838 | ||
839 | end: | |
840 | return ret; | |
841 | } | |
842 | ||
843 | LTTNG_HIDDEN | |
844 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
845 | struct lttng_event *event) | |
846 | { | |
847 | /* event exclusion filter */ | |
848 | return mi_lttng_writer_write_element_bool(writer, | |
849 | config_element_exclusion, event->exclusion); | |
850 | } | |
851 | ||
852 | LTTNG_HIDDEN | |
853 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
854 | struct lttng_event *event) | |
855 | { | |
856 | int ret; | |
857 | ||
858 | if (event->attr.probe.addr != 0) { | |
859 | /* event probe address */ | |
860 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
861 | config_element_address, event->attr.probe.addr); | |
862 | if (ret) { | |
863 | goto end; | |
864 | } | |
865 | } else { | |
866 | /* event probe offset */ | |
867 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
868 | config_element_offset, event->attr.probe.offset); | |
869 | if (ret) { | |
870 | goto end; | |
871 | } | |
872 | ||
873 | /* event probe symbol_name */ | |
874 | ret = mi_lttng_writer_write_element_string(writer, | |
875 | config_element_symbol_name, event->attr.probe.symbol_name); | |
876 | if (ret) { | |
877 | goto end; | |
878 | } | |
879 | } | |
880 | end: | |
881 | return ret; | |
882 | } | |
883 | ||
884 | LTTNG_HIDDEN | |
885 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
886 | struct lttng_event *event) | |
887 | { | |
888 | /* event probe symbol_name */ | |
889 | return mi_lttng_writer_write_element_string(writer, | |
890 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
891 | } | |
892 | ||
893 | LTTNG_HIDDEN | |
894 | int mi_lttng_events_open(struct mi_writer *writer) | |
895 | { | |
896 | return mi_lttng_writer_open_element(writer, config_element_events); | |
897 | } | |
898 | ||
899 | LTTNG_HIDDEN | |
900 | int mi_lttng_event(struct mi_writer *writer, | |
901 | struct lttng_event *event, int is_open) | |
902 | { | |
903 | int ret; | |
904 | ||
905 | ret = mi_lttng_event_common_attributes(writer, event); | |
906 | if (ret) { | |
907 | goto end; | |
908 | } | |
909 | ||
910 | switch (event->type) { | |
911 | case LTTNG_EVENT_ALL: | |
912 | /* We should never have "all" events in list. */ | |
913 | assert(0); | |
914 | break; | |
915 | case LTTNG_EVENT_TRACEPOINT: | |
916 | { | |
917 | if (event->loglevel != -1) { | |
918 | ret = mi_lttng_event_tracepoint_loglevel(writer, event); | |
919 | } else { | |
920 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
921 | } | |
922 | break; | |
923 | } | |
924 | case LTTNG_EVENT_PROBE: | |
925 | ret = mi_lttng_event_function_probe(writer, event); | |
926 | break; | |
927 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
928 | ret = mi_lttng_event_function_entry(writer, event); | |
929 | break; | |
930 | default: | |
931 | break; | |
932 | } | |
933 | ||
934 | if (!is_open) { | |
935 | ret = mi_lttng_writer_close_element(writer); | |
936 | } | |
937 | ||
938 | end: | |
939 | return ret; | |
940 | } | |
941 | ||
942 | LTTNG_HIDDEN | |
943 | int mi_lttng_pids_open(struct mi_writer *writer) | |
944 | { | |
945 | return mi_lttng_writer_open_element(writer, mi_lttng_element_pids); | |
946 | } | |
947 | ||
948 | LTTNG_HIDDEN | |
949 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline, | |
950 | int is_open) | |
951 | { | |
952 | int ret; | |
953 | ||
954 | /* Open element pid */ | |
955 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid); | |
956 | if (ret) { | |
957 | goto end; | |
958 | } | |
959 | ||
960 | /* Writing pid number */ | |
961 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
962 | mi_lttng_element_pid_id, (int)pid); | |
963 | if (ret) { | |
964 | goto end; | |
965 | } | |
966 | ||
967 | /* Writing name of the process */ | |
968 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
969 | cmdline); | |
970 | if (ret) { | |
971 | goto end; | |
972 | } | |
973 | ||
974 | if (!is_open) { | |
975 | /* Closing Pid */ | |
976 | ret = mi_lttng_writer_close_element(writer); | |
977 | } | |
978 | ||
979 | end: | |
980 | return ret; | |
981 | } | |
982 | ||
983 | LTTNG_HIDDEN | |
984 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
985 | { | |
986 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
987 | } | |
988 | ||
989 | LTTNG_HIDDEN | |
990 | int mi_lttng_event_field(struct mi_writer *writer, | |
991 | struct lttng_event_field *field) | |
992 | { | |
993 | int ret; | |
994 | ||
995 | if (!field->field_name[0]) { | |
996 | /* To Review: not sure if legal david ? | |
997 | * how should this be handle ? | |
998 | */ | |
999 | ret = 0; | |
1000 | goto end; | |
1001 | } | |
1002 | ||
1003 | /* Open field */ | |
1004 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1005 | if (ret) { | |
1006 | goto end; | |
1007 | } | |
1008 | ||
1009 | if (!field->field_name[0]) { | |
1010 | goto close; | |
1011 | } | |
1012 | ||
1013 | /* Name */ | |
1014 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1015 | field->field_name); | |
1016 | if (ret) { | |
1017 | goto end; | |
1018 | } | |
1019 | ||
1020 | /* Type */ | |
1021 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1022 | mi_lttng_eventfieldtype_string(field->type)); | |
1023 | if (ret) { | |
1024 | goto end; | |
1025 | } | |
1026 | ||
1027 | /* nowrite */ | |
1028 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1029 | mi_lttng_element_nowrite, field->nowrite); | |
1030 | if (ret) { | |
1031 | goto end; | |
1032 | } | |
1033 | ||
1034 | close: | |
1035 | /* Close field element */ | |
1036 | ret = mi_lttng_writer_close_element(writer); | |
1037 | ||
1038 | end: | |
1039 | return ret; | |
1040 | } | |
7e66b1b0 JRJ |
1041 | |
1042 | LTTNG_HIDDEN | |
1043 | int mi_lttng_calibrate(struct mi_writer *writer, | |
1044 | struct lttng_calibrate *calibrate) | |
1045 | { | |
1046 | int ret; | |
1047 | ||
1048 | /* Open calibrate element */ | |
1049 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate); | |
1050 | if (ret) { | |
1051 | goto end; | |
1052 | } | |
1053 | ||
1054 | /* Calibration type */ | |
1055 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1056 | mi_lttng_calibratetype_string(calibrate->type)); | |
1057 | if (ret) { | |
1058 | goto end; | |
1059 | } | |
1060 | ||
1061 | /* Closing calibrate element */ | |
1062 | ret = mi_lttng_writer_close_element(writer); | |
1063 | end: | |
1064 | return ret; | |
1065 | } | |
89b72577 JRJ |
1066 | LTTNG_HIDDEN |
1067 | int mi_lttng_context(struct mi_writer *writer, | |
1068 | struct lttng_event_context *context, int is_open) | |
1069 | { | |
1070 | int ret; | |
1071 | const char *type_string; | |
1072 | struct lttng_event_perf_counter_ctx *perf_context; | |
1073 | /* Open context */ | |
1074 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
1075 | if (ret) { | |
1076 | goto end; | |
1077 | } | |
1078 | ||
1079 | type_string = mi_lttng_event_contexttype_string(context->ctx); | |
1080 | if (!type_string) { | |
1081 | ret = -LTTNG_ERR_INVALID; | |
1082 | goto end; | |
1083 | } | |
1084 | ||
1085 | /* Print context type */ | |
1086 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1087 | type_string); | |
1088 | ||
1089 | /* Special case for PERF_*_COUNTER | |
1090 | * print the lttng_event_perf_counter_ctx*/ | |
1091 | switch (context->ctx) { | |
1092 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1093 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1094 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1095 | perf_context = &context->u.perf_counter; | |
1096 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1097 | if (ret) { | |
1098 | goto end; | |
1099 | } | |
1100 | break; | |
1101 | default: | |
1102 | break; | |
1103 | } | |
1104 | ||
1105 | /* Close context */ | |
1106 | if (!is_open) { | |
1107 | ret = mi_lttng_writer_close_element(writer); | |
1108 | } | |
1109 | ||
1110 | end: | |
1111 | return ret; | |
1112 | } | |
1113 | ||
1114 | LTTNG_HIDDEN | |
1115 | int mi_lttng_perf_counter_context(struct mi_writer *writer, | |
1116 | struct lttng_event_perf_counter_ctx *perf_context) | |
1117 | { | |
1118 | int ret; | |
1119 | ||
1120 | /* Open perf_counter_context */ | |
1121 | ret = mi_lttng_writer_open_element(writer, | |
1122 | mi_lttng_element_perf_counter_context); | |
1123 | if (ret) { | |
1124 | goto end; | |
1125 | } | |
1126 | ||
1127 | /* Type */ | |
1128 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1129 | config_element_type, perf_context->type); | |
1130 | if (ret) { | |
1131 | goto end; | |
1132 | } | |
1133 | ||
1134 | /* Config */ | |
1135 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1136 | config_element_config, perf_context->config); | |
1137 | if (ret) { | |
1138 | goto end; | |
1139 | } | |
1140 | ||
1141 | /* Name of the perf counter */ | |
1142 | ret = mi_lttng_writer_write_element_string(writer, | |
1143 | config_element_name, perf_context->name); | |
1144 | if (ret) { | |
1145 | goto end; | |
1146 | } | |
1147 | ||
1148 | /* Close perf_counter_context */ | |
1149 | ret = mi_lttng_writer_close_element(writer); | |
1150 | end: | |
1151 | return ret; | |
1152 | } |