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 | 29 | const char * const mi_lttng_element_command_version = "version"; |
89476427 | 30 | const char * const mi_lttng_element_command_enable_event = "enable-event"; |
c7e35b03 | 31 | const char * const mi_lttng_element_command_list = "list"; |
1734c658 JRJ |
32 | const char * const mi_lttng_element_command_save = "save"; |
33 | const char * const mi_lttng_element_command_load = "load"; | |
1cfc0bc8 | 34 | const char * const mi_lttng_element_command_start = "start"; |
e5b83100 | 35 | const char * const mi_lttng_element_command_stop = "stop"; |
37d03ff7 | 36 | const char * const mi_lttng_element_command_create = "create"; |
65f25c66 | 37 | const char * const mi_lttng_element_command_destroy = "destroy"; |
7e66b1b0 | 38 | const char * const mi_lttng_element_command_calibrate = "calibrate"; |
89b72577 | 39 | const char * const mi_lttng_element_command_add_context = "add-context"; |
acc09215 | 40 | const char * const mi_lttng_element_command_enable_channels = "enable-channel"; |
ce91cd0b | 41 | const char * const mi_lttng_element_command_set_session = "set-session"; |
c7e35b03 | 42 | const char * const mi_lttng_element_command_output = "output"; |
1734c658 | 43 | const char * const mi_lttng_element_command_success = "success"; |
c7e35b03 | 44 | |
1734c658 | 45 | /* Strings related to version command */ |
c7e35b03 JR |
46 | const char * const mi_lttng_element_version = "version"; |
47 | const char * const mi_lttng_element_version_str = "string"; | |
48 | const char * const mi_lttng_element_version_web = "url"; | |
49 | const char * const mi_lttng_element_version_major = "major"; | |
50 | const char * const mi_lttng_element_version_minor = "minor"; | |
314d5222 | 51 | const char * const mi_lttng_element_version_commit = "commit"; |
c7e35b03 JR |
52 | const char * const mi_lttng_element_version_license = "license"; |
53 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; | |
54 | const char * const mi_lttng_element_version_description = "description"; | |
55 | ||
5e18ec73 JR |
56 | /* Strings related to pid */ |
57 | const char * const mi_lttng_element_pids = "pids"; | |
58 | const char * const mi_lttng_element_pid = "pid"; | |
59 | const char * const mi_lttng_element_pid_id = "id"; | |
60 | ||
1734c658 JRJ |
61 | /* Strings related to save command */ |
62 | const char * const mi_lttng_element_save = "save"; | |
63 | ||
64 | /* Strings related to load command */ | |
65 | const char * const mi_lttng_element_load = "load"; | |
66 | ||
5e18ec73 JR |
67 | /* String related to a lttng_event_field */ |
68 | const char * const mi_lttng_element_event_field = "event_field"; | |
69 | const char * const mi_lttng_element_event_fields = "event_fields"; | |
70 | ||
89b72577 JRJ |
71 | /* String related to lttng_event_context */ |
72 | const char * const mi_lttng_context_type_perf_counter = "PERF_COUNTER"; | |
73 | const char * const mi_lttng_context_type_perf_cpu_counter = "PERF_CPU_COUNTER"; | |
74 | const char * const mi_lttng_context_type_perf_thread_counter = "PERF_THREAD_COUNTER"; | |
75 | ||
76 | /* String related to lttng_event_perf_counter_ctx */ | |
77 | const char * const mi_lttng_element_perf_counter_context = "perf_counter_context"; | |
78 | ||
5e18ec73 JR |
79 | /* General elements of mi_lttng */ |
80 | const char * const mi_lttng_element_type_other = "OTHER"; | |
81 | const char * const mi_lttng_element_type_integer = "INTEGER"; | |
82 | const char * const mi_lttng_element_type_enum = "ENUM"; | |
83 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
84 | const char * const mi_lttng_element_type_string = "STRING"; | |
85 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
89b72577 | 86 | const char * const mi_lttng_element_success = "success"; |
5e18ec73 JR |
87 | |
88 | /* String related to loglevel */ | |
89 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
90 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
91 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
92 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
93 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
94 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
95 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
96 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
97 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
98 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
99 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
100 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
101 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
102 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
103 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
104 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
105 | ||
1734c658 | 106 | /* String related to loglevel type */ |
5e18ec73 JR |
107 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
108 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
109 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
110 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
111 | ||
7e66b1b0 JRJ |
112 | /* String related to lttng_calibrate */ |
113 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
114 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
115 | ||
5e18ec73 JR |
116 | const char * const mi_lttng_element_empty = ""; |
117 | ||
118 | const char *mi_lttng_loglevel_string(int value) | |
119 | { | |
120 | switch (value) { | |
121 | case -1: | |
122 | return mi_lttng_element_empty; | |
123 | case LTTNG_LOGLEVEL_EMERG: | |
124 | return mi_lttng_loglevel_str_emerg; | |
125 | case LTTNG_LOGLEVEL_ALERT: | |
126 | return mi_lttng_loglevel_str_alert; | |
127 | case LTTNG_LOGLEVEL_CRIT: | |
128 | return mi_lttng_loglevel_str_crit; | |
129 | case LTTNG_LOGLEVEL_ERR: | |
130 | return mi_lttng_loglevel_str_err; | |
131 | case LTTNG_LOGLEVEL_WARNING: | |
132 | return mi_lttng_loglevel_str_warning; | |
133 | case LTTNG_LOGLEVEL_NOTICE: | |
134 | return mi_lttng_loglevel_str_notice; | |
135 | case LTTNG_LOGLEVEL_INFO: | |
136 | return mi_lttng_loglevel_str_info; | |
137 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
138 | return mi_lttng_loglevel_str_debug_system; | |
139 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
140 | return mi_lttng_loglevel_str_debug_program; | |
141 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
142 | return mi_lttng_loglevel_str_debug_process; | |
143 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
144 | return mi_lttng_loglevel_str_debug_module; | |
145 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
146 | return mi_lttng_loglevel_str_debug_unit; | |
147 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
148 | return mi_lttng_loglevel_str_debug_function; | |
149 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
150 | return mi_lttng_loglevel_str_debug_line; | |
151 | case LTTNG_LOGLEVEL_DEBUG: | |
152 | return mi_lttng_loglevel_str_debug; | |
153 | default: | |
154 | return mi_lttng_loglevel_str_unknown; | |
155 | } | |
156 | } | |
157 | ||
158 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
159 | { | |
160 | switch (value) { | |
161 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
162 | return mi_lttng_loglevel_type_all; | |
163 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
164 | return mi_lttng_loglevel_type_range; | |
165 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
166 | return mi_lttng_loglevel_type_single; | |
167 | default: | |
168 | return mi_lttng_loglevel_type_unknown; | |
169 | } | |
170 | } | |
171 | ||
172 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
173 | { | |
174 | switch (value) { | |
175 | case LTTNG_EVENT_ALL: | |
176 | return config_event_type_all; | |
177 | case LTTNG_EVENT_TRACEPOINT: | |
178 | return config_event_type_tracepoint; | |
179 | case LTTNG_EVENT_PROBE: | |
180 | return config_event_type_probe; | |
181 | case LTTNG_EVENT_FUNCTION: | |
182 | return config_event_type_function; | |
183 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
184 | return config_event_type_function_entry; | |
185 | case LTTNG_EVENT_SYSCALL: | |
186 | return config_event_type_syscall; | |
187 | case LTTNG_EVENT_NOOP: | |
188 | return config_event_type_noop; | |
189 | default: | |
190 | return mi_lttng_element_empty; | |
191 | } | |
192 | } | |
193 | ||
89b72577 JRJ |
194 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
195 | { | |
196 | switch (val) { | |
197 | case LTTNG_EVENT_CONTEXT_PID: | |
198 | return config_event_context_pid; | |
199 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
200 | return mi_lttng_context_type_perf_counter; | |
201 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
202 | return mi_lttng_context_type_perf_thread_counter; | |
203 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
204 | return mi_lttng_context_type_perf_cpu_counter; | |
205 | case LTTNG_EVENT_CONTEXT_PROCNAME: | |
206 | return config_event_context_procname; | |
207 | case LTTNG_EVENT_CONTEXT_PRIO: | |
208 | return config_event_context_prio; | |
209 | case LTTNG_EVENT_CONTEXT_NICE: | |
210 | return config_event_context_nice; | |
211 | case LTTNG_EVENT_CONTEXT_VPID: | |
212 | return config_event_context_vpid; | |
213 | case LTTNG_EVENT_CONTEXT_TID: | |
214 | return config_event_context_tid; | |
215 | case LTTNG_EVENT_CONTEXT_VTID: | |
216 | return config_event_context_vtid; | |
217 | case LTTNG_EVENT_CONTEXT_PPID: | |
218 | return config_event_context_ppid; | |
219 | case LTTNG_EVENT_CONTEXT_VPPID: | |
220 | return config_event_context_vppid; | |
221 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
222 | return config_event_context_pthread_id; | |
223 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
224 | return config_event_context_hostname; | |
225 | case LTTNG_EVENT_CONTEXT_IP: | |
226 | return config_event_context_ip; | |
227 | default: | |
228 | return NULL; | |
229 | } | |
230 | } | |
231 | ||
5e18ec73 JR |
232 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
233 | { | |
234 | switch (val) { | |
235 | case(LTTNG_EVENT_FIELD_INTEGER): | |
236 | return mi_lttng_element_type_integer; | |
237 | case(LTTNG_EVENT_FIELD_ENUM): | |
238 | return mi_lttng_element_type_enum; | |
239 | case(LTTNG_EVENT_FIELD_FLOAT): | |
240 | return mi_lttng_element_type_float; | |
241 | case(LTTNG_EVENT_FIELD_STRING): | |
242 | return mi_lttng_element_type_string; | |
243 | default: | |
244 | return mi_lttng_element_type_other; | |
245 | } | |
246 | } | |
247 | ||
248 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
249 | { | |
250 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
251 | switch (value) { | |
252 | case LTTNG_DOMAIN_KERNEL: | |
253 | return config_domain_type_kernel; | |
254 | case LTTNG_DOMAIN_UST: | |
255 | return config_domain_type_ust; | |
256 | case LTTNG_DOMAIN_JUL: | |
257 | return config_domain_type_jul; | |
258 | default: | |
259 | /* Should not have an unknown domain */ | |
260 | assert(0); | |
261 | } | |
262 | } | |
263 | ||
264 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
265 | { | |
266 | switch (value) { | |
267 | case LTTNG_BUFFER_PER_PID: | |
268 | return config_buffer_type_per_pid; | |
269 | case LTTNG_BUFFER_PER_UID: | |
270 | return config_buffer_type_per_uid; | |
271 | case LTTNG_BUFFER_GLOBAL: | |
272 | return config_buffer_type_global; | |
273 | default: | |
274 | /* Should not have an unknow buffer type */ | |
275 | assert(0); | |
276 | } | |
277 | } | |
278 | ||
7e66b1b0 JRJ |
279 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
280 | { | |
281 | const char *ret; | |
282 | ||
283 | switch (val) { | |
284 | case LTTNG_CALIBRATE_FUNCTION: | |
285 | ret = mi_lttng_element_calibrate_function; | |
286 | break; | |
287 | default: | |
288 | ret = mi_lttng_element_empty; | |
289 | break; | |
290 | } | |
291 | return ret; | |
292 | } | |
293 | ||
c7e35b03 JR |
294 | LTTNG_HIDDEN |
295 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
296 | { | |
297 | struct mi_writer *mi_writer; | |
298 | ||
299 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
300 | if (!mi_writer) { | |
301 | PERROR("zmalloc mi_writer_create"); | |
302 | goto end; | |
303 | } | |
304 | if (mi_output_type == LTTNG_MI_XML) { | |
305 | mi_writer->writer = config_writer_create(fd_output); | |
306 | if (!mi_writer->writer) { | |
307 | goto err_destroy; | |
308 | } | |
309 | mi_writer->type = LTTNG_MI_XML; | |
310 | } else { | |
311 | goto err_destroy; | |
312 | } | |
313 | ||
314 | end: | |
315 | return mi_writer; | |
316 | ||
317 | err_destroy: | |
318 | free(mi_writer); | |
319 | return NULL; | |
320 | } | |
321 | ||
322 | LTTNG_HIDDEN | |
323 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
324 | { | |
325 | int ret; | |
326 | ||
327 | if (!writer) { | |
328 | ret = -EINVAL; | |
329 | goto end; | |
330 | } | |
331 | ||
332 | ret = config_writer_destroy(writer->writer); | |
333 | if (ret < 0) { | |
334 | goto end; | |
335 | } | |
336 | ||
337 | free(writer); | |
338 | end: | |
339 | return ret; | |
340 | } | |
341 | ||
342 | LTTNG_HIDDEN | |
343 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
344 | { | |
345 | int ret; | |
346 | ||
347 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
348 | if (ret) { | |
349 | goto end; | |
350 | } | |
351 | ret = mi_lttng_writer_write_element_string(writer, | |
352 | mi_lttng_element_command_name, command); | |
353 | end: | |
354 | return ret; | |
355 | } | |
356 | ||
357 | LTTNG_HIDDEN | |
358 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
359 | { | |
360 | return mi_lttng_writer_close_element(writer); | |
361 | } | |
362 | ||
363 | LTTNG_HIDDEN | |
364 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
365 | const char *element_name) | |
366 | { | |
367 | return config_writer_open_element(writer->writer, element_name); | |
368 | } | |
369 | ||
370 | LTTNG_HIDDEN | |
371 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
372 | { | |
373 | return config_writer_close_element(writer->writer); | |
374 | } | |
375 | ||
5e18ec73 JR |
376 | LTTNG_HIDDEN |
377 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
378 | unsigned int nb_element) | |
379 | { | |
380 | int ret, i; | |
381 | ||
382 | if (nb_element < 1) { | |
383 | ret = 0; | |
384 | goto end; | |
385 | } | |
386 | for (i = 0; i < nb_element; i++) { | |
387 | ret = mi_lttng_writer_close_element(writer); | |
388 | if (ret) { | |
389 | goto end; | |
390 | } | |
391 | } | |
392 | end: | |
393 | return ret; | |
394 | } | |
395 | ||
c7e35b03 JR |
396 | LTTNG_HIDDEN |
397 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
398 | const char *element_name, uint64_t value) | |
399 | { | |
400 | return config_writer_write_element_unsigned_int(writer->writer, | |
401 | element_name, value); | |
402 | } | |
403 | ||
404 | LTTNG_HIDDEN | |
405 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
406 | const char *element_name, int64_t value) | |
407 | { | |
408 | return config_writer_write_element_signed_int(writer->writer, | |
409 | element_name, value); | |
410 | } | |
411 | ||
412 | LTTNG_HIDDEN | |
413 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
414 | const char *element_name, int value) | |
415 | { | |
416 | return config_writer_write_element_bool(writer->writer, | |
417 | element_name, value); | |
418 | } | |
419 | ||
420 | LTTNG_HIDDEN | |
421 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
422 | const char *element_name, const char *value) | |
423 | { | |
424 | return config_writer_write_element_string(writer->writer, | |
425 | element_name, value); | |
426 | } | |
427 | ||
428 | LTTNG_HIDDEN | |
429 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
430 | const char *lttng_description, const char *lttng_license) | |
431 | { | |
432 | int ret; | |
433 | ||
434 | /* Open version */ | |
435 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
436 | if (ret) { | |
437 | goto end; | |
438 | } | |
439 | ||
440 | /* Version string (contain info like rc etc.) */ | |
441 | ret = mi_lttng_writer_write_element_string(writer, | |
442 | mi_lttng_element_version_str, VERSION); | |
443 | if (ret) { | |
444 | goto end; | |
445 | } | |
446 | ||
447 | /* Major version number */ | |
448 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
449 | mi_lttng_element_version_major, version->version_major); | |
450 | if (ret) { | |
451 | goto end; | |
452 | } | |
453 | ||
454 | /* Minor version number */ | |
455 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
456 | mi_lttng_element_version_minor, version->version_minor); | |
457 | if (ret) { | |
458 | goto end; | |
459 | } | |
460 | ||
314d5222 JRJ |
461 | /* Commit version number */ |
462 | ret = mi_lttng_writer_write_element_string(writer, | |
463 | mi_lttng_element_version_commit, version->version_commit); | |
464 | if (ret) { | |
465 | goto end; | |
466 | } | |
467 | ||
c7e35b03 JR |
468 | /* Patch number */ |
469 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
470 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
471 | if (ret) { | |
472 | goto end; | |
473 | } | |
474 | ||
475 | /* Name of the version */ | |
476 | ret = mi_lttng_writer_write_element_string(writer, | |
477 | config_element_name, version->version_name); | |
478 | if (ret) { | |
479 | goto end; | |
480 | } | |
481 | ||
482 | /* Description mostly related to beer... */ | |
483 | ret = mi_lttng_writer_write_element_string(writer, | |
484 | mi_lttng_element_version_description, lttng_description); | |
485 | if (ret) { | |
486 | goto end; | |
487 | } | |
488 | ||
489 | /* url */ | |
490 | ret = mi_lttng_writer_write_element_string(writer, | |
491 | mi_lttng_element_version_web, version->package_url); | |
492 | if (ret) { | |
493 | goto end; | |
494 | } | |
495 | ||
496 | /* License: free as in free beer...no...*speech* */ | |
497 | ret = mi_lttng_writer_write_element_string(writer, | |
498 | mi_lttng_element_version_license, lttng_license); | |
499 | if (ret) { | |
500 | goto end; | |
501 | } | |
502 | ||
503 | /* Close version element */ | |
504 | ret = mi_lttng_writer_close_element(writer); | |
505 | ||
506 | end: | |
507 | return ret; | |
508 | } | |
509 | ||
5e18ec73 JR |
510 | LTTNG_HIDDEN |
511 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
512 | { | |
513 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
514 | } | |
515 | ||
c7e35b03 JR |
516 | LTTNG_HIDDEN |
517 | int mi_lttng_session(struct mi_writer *writer, | |
518 | struct lttng_session *session, int is_open) | |
519 | { | |
520 | int ret; | |
521 | ||
5e18ec73 JR |
522 | assert(session); |
523 | ||
524 | /* Open sessions element */ | |
c7e35b03 JR |
525 | ret = mi_lttng_writer_open_element(writer, |
526 | config_element_session); | |
527 | if (ret) { | |
528 | goto end; | |
529 | } | |
530 | ||
531 | /* Name of the session */ | |
532 | ret = mi_lttng_writer_write_element_string(writer, | |
533 | config_element_name, session->name); | |
534 | if (ret) { | |
535 | goto end; | |
536 | } | |
537 | ||
5e18ec73 | 538 | /* Path */ |
c7e35b03 JR |
539 | ret = mi_lttng_writer_write_element_string(writer, |
540 | config_element_path, session->path); | |
541 | if (ret) { | |
542 | goto end; | |
543 | } | |
544 | ||
5e18ec73 JR |
545 | /* Enabled ? */ |
546 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
547 | config_element_enabled, session->enabled); |
548 | if (ret) { | |
549 | goto end; | |
550 | } | |
551 | ||
5e18ec73 | 552 | /* Snapshot mode */ |
c7e35b03 JR |
553 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
554 | config_element_snapshot_mode, session->snapshot_mode); | |
555 | if (ret) { | |
556 | goto end; | |
557 | } | |
558 | ||
5e18ec73 | 559 | /* Live timer interval in usec */ |
c7e35b03 JR |
560 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
561 | config_element_live_timer_interval, | |
562 | session->live_timer_interval); | |
563 | if (ret) { | |
564 | goto end; | |
565 | } | |
566 | ||
567 | if (!is_open) { | |
568 | /* Closing session element */ | |
569 | ret = mi_lttng_writer_close_element(writer); | |
570 | } | |
571 | end: | |
572 | return ret; | |
573 | ||
574 | } | |
5e18ec73 JR |
575 | |
576 | LTTNG_HIDDEN | |
577 | int mi_lttng_domains_open(struct mi_writer *writer) | |
578 | { | |
579 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
580 | } | |
581 | ||
582 | LTTNG_HIDDEN | |
583 | int mi_lttng_domain(struct mi_writer *writer, | |
584 | struct lttng_domain *domain, int is_open) | |
585 | { | |
586 | int ret = 0; | |
587 | const char *str_domain; | |
588 | const char *str_buffer; | |
589 | ||
590 | assert(domain); | |
591 | ||
592 | /* Open domain element */ | |
593 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
594 | if (ret) { | |
595 | goto end; | |
596 | } | |
597 | ||
598 | /* Domain Type */ | |
599 | str_domain = mi_lttng_domaintype_string(domain->type); | |
600 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
601 | str_domain); | |
602 | if (ret) { | |
603 | goto end; | |
604 | } | |
605 | ||
606 | /* Buffer Type */ | |
607 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
608 | ret = mi_lttng_writer_write_element_string(writer, | |
609 | config_element_buffer_type, str_buffer); | |
610 | if (ret) { | |
611 | goto end; | |
612 | } | |
613 | ||
614 | /* TODO: attr... not sure how to use the union.... */ | |
615 | ||
616 | if (!is_open) { | |
617 | /* Closing domain element */ | |
618 | ret = mi_lttng_writer_close_element(writer); | |
619 | } | |
620 | ||
621 | end: | |
622 | return ret; | |
623 | ||
624 | } | |
625 | ||
626 | LTTNG_HIDDEN | |
627 | int mi_lttng_channels_open(struct mi_writer *writer) | |
628 | { | |
629 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
630 | } | |
631 | ||
632 | LTTNG_HIDDEN | |
633 | int mi_lttng_channel(struct mi_writer *writer, | |
634 | struct lttng_channel *channel, int is_open) | |
635 | { | |
636 | int ret = 0; | |
637 | ||
638 | assert(channel); | |
639 | ||
640 | /* Opening channel element */ | |
641 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
642 | if (ret) { | |
643 | goto end; | |
644 | } | |
645 | ||
646 | /* Name */ | |
647 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
648 | channel->name); | |
649 | if (ret) { | |
650 | goto end; | |
651 | } | |
652 | ||
653 | /* Enabled ? */ | |
654 | ret = mi_lttng_writer_write_element_bool(writer, | |
655 | config_element_enabled, channel->enabled); | |
656 | if (ret) { | |
657 | goto end; | |
658 | } | |
659 | ||
660 | /* Attribute */ | |
661 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
662 | if (ret) { | |
663 | goto end; | |
664 | } | |
665 | ||
666 | if (!is_open) { | |
667 | /* Closing channel element */ | |
668 | ret = mi_lttng_writer_close_element(writer); | |
669 | if (ret) { | |
670 | goto end; | |
671 | } | |
672 | } | |
673 | end: | |
674 | return ret; | |
675 | } | |
676 | ||
677 | LTTNG_HIDDEN | |
678 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
679 | struct lttng_channel_attr *attr) | |
680 | { | |
681 | int ret = 0; | |
682 | ||
683 | assert(attr); | |
684 | ||
685 | /* Opening Attributes */ | |
686 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
687 | if (ret) { | |
688 | goto end; | |
689 | } | |
690 | ||
691 | /* Overwrite */ | |
692 | ret = mi_lttng_writer_write_element_string(writer, | |
693 | config_element_overwrite_mode, | |
694 | attr->overwrite ? config_overwrite_mode_overwrite : | |
695 | config_overwrite_mode_discard); | |
696 | if (ret) { | |
697 | goto end; | |
698 | } | |
699 | ||
700 | /* Sub buffer size in byte */ | |
701 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
702 | config_element_subbuf_size, attr->subbuf_size); | |
703 | if (ret) { | |
704 | goto end; | |
705 | } | |
706 | ||
707 | /* Number of subbuffer (power of two) */ | |
708 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
709 | config_element_num_subbuf, | |
710 | attr->num_subbuf); | |
711 | if (ret) { | |
712 | goto end; | |
713 | } | |
714 | ||
715 | /* Switch timer interval in usec */ | |
716 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
717 | config_element_switch_timer_interval, | |
718 | attr->switch_timer_interval); | |
719 | if (ret) { | |
720 | goto end; | |
721 | } | |
722 | ||
723 | /* Read timer interval in usec */ | |
724 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
725 | config_element_read_timer_interval, | |
726 | attr->read_timer_interval); | |
727 | if (ret) { | |
728 | goto end; | |
729 | } | |
730 | ||
731 | /* Event output */ | |
732 | ret = mi_lttng_writer_write_element_string(writer, | |
733 | config_element_output_type, | |
734 | attr->output == LTTNG_EVENT_SPLICE ? | |
735 | config_output_type_splice : config_output_type_mmap); | |
736 | if (ret) { | |
737 | goto end; | |
738 | } | |
739 | ||
740 | /* Tracefile size in bytes */ | |
741 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
742 | config_element_tracefile_size, attr->tracefile_size); | |
743 | if (ret) { | |
744 | goto end; | |
745 | } | |
746 | ||
747 | /* Count of tracefiles */ | |
748 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
749 | config_element_tracefile_count, | |
750 | attr->tracefile_count); | |
751 | if (ret) { | |
752 | goto end; | |
753 | } | |
754 | ||
755 | /* Live timer interval in usec*/ | |
756 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
757 | config_element_live_timer_interval, | |
758 | attr->live_timer_interval); | |
759 | if (ret) { | |
760 | goto end; | |
761 | } | |
762 | ||
763 | /* Closing attributes */ | |
764 | ret = mi_lttng_writer_close_element(writer); | |
765 | if (ret) { | |
766 | goto end; | |
767 | } | |
768 | end: | |
769 | return ret; | |
770 | ||
771 | } | |
772 | ||
773 | LTTNG_HIDDEN | |
774 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
775 | struct lttng_event *event) | |
776 | { | |
777 | int ret; | |
778 | ||
779 | /* Open event element */ | |
780 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
781 | if (ret) { | |
782 | goto end; | |
783 | } | |
784 | ||
785 | /* event name */ | |
786 | ret = mi_lttng_writer_write_element_string(writer, | |
787 | config_element_name, event->name); | |
788 | if (ret) { | |
789 | goto end; | |
790 | } | |
791 | ||
792 | /* event type */ | |
793 | ret = mi_lttng_writer_write_element_string(writer, | |
794 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
795 | if (ret) { | |
796 | goto end; | |
797 | } | |
798 | ||
799 | /* is event enabled */ | |
800 | ret = mi_lttng_writer_write_element_bool(writer, | |
801 | config_element_enabled, event->enabled); | |
802 | if (ret) { | |
803 | goto end; | |
804 | } | |
805 | ||
806 | /* event filter enabled? */ | |
807 | ret = mi_lttng_writer_write_element_bool(writer, | |
808 | config_element_filter, event->filter); | |
809 | ||
810 | end: | |
811 | return ret; | |
812 | } | |
813 | ||
814 | LTTNG_HIDDEN | |
815 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
816 | struct lttng_event *event) | |
817 | { | |
818 | int ret; | |
819 | ||
820 | /* event loglevel */ | |
821 | ret = mi_lttng_writer_write_element_string(writer, | |
822 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
823 | if (ret) { | |
824 | goto end; | |
825 | } | |
826 | ||
827 | ret = mi_lttng_writer_write_element_string(writer, | |
828 | config_element_loglevel_type, | |
829 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
830 | if (ret) { | |
831 | goto end; | |
832 | } | |
833 | ||
834 | /* event exclusion filter */ | |
835 | ret = mi_lttng_writer_write_element_bool(writer, | |
836 | config_element_exclusion, event->exclusion); | |
837 | if (ret) { | |
838 | goto end; | |
839 | } | |
840 | ||
841 | end: | |
842 | return ret; | |
843 | } | |
844 | ||
845 | LTTNG_HIDDEN | |
846 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
847 | struct lttng_event *event) | |
848 | { | |
849 | /* event exclusion filter */ | |
850 | return mi_lttng_writer_write_element_bool(writer, | |
851 | config_element_exclusion, event->exclusion); | |
852 | } | |
853 | ||
854 | LTTNG_HIDDEN | |
855 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
856 | struct lttng_event *event) | |
857 | { | |
858 | int ret; | |
859 | ||
860 | if (event->attr.probe.addr != 0) { | |
861 | /* event probe address */ | |
862 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
863 | config_element_address, event->attr.probe.addr); | |
864 | if (ret) { | |
865 | goto end; | |
866 | } | |
867 | } else { | |
868 | /* event probe offset */ | |
869 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
870 | config_element_offset, event->attr.probe.offset); | |
871 | if (ret) { | |
872 | goto end; | |
873 | } | |
874 | ||
875 | /* event probe symbol_name */ | |
876 | ret = mi_lttng_writer_write_element_string(writer, | |
877 | config_element_symbol_name, event->attr.probe.symbol_name); | |
878 | if (ret) { | |
879 | goto end; | |
880 | } | |
881 | } | |
882 | end: | |
883 | return ret; | |
884 | } | |
885 | ||
886 | LTTNG_HIDDEN | |
887 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
888 | struct lttng_event *event) | |
889 | { | |
890 | /* event probe symbol_name */ | |
891 | return mi_lttng_writer_write_element_string(writer, | |
892 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
893 | } | |
894 | ||
895 | LTTNG_HIDDEN | |
896 | int mi_lttng_events_open(struct mi_writer *writer) | |
897 | { | |
898 | return mi_lttng_writer_open_element(writer, config_element_events); | |
899 | } | |
900 | ||
901 | LTTNG_HIDDEN | |
902 | int mi_lttng_event(struct mi_writer *writer, | |
903 | struct lttng_event *event, int is_open) | |
904 | { | |
905 | int ret; | |
906 | ||
907 | ret = mi_lttng_event_common_attributes(writer, event); | |
908 | if (ret) { | |
909 | goto end; | |
910 | } | |
911 | ||
912 | switch (event->type) { | |
5e18ec73 | 913 | /* We should never have "all" events in list. */ |
5e18ec73 JR |
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; | |
89476427 JRJ |
930 | case LTTNG_EVENT_ALL: |
931 | /* Fallthrough */ | |
5e18ec73 JR |
932 | default: |
933 | break; | |
934 | } | |
935 | ||
936 | if (!is_open) { | |
937 | ret = mi_lttng_writer_close_element(writer); | |
938 | } | |
939 | ||
940 | end: | |
941 | return ret; | |
942 | } | |
943 | ||
944 | LTTNG_HIDDEN | |
945 | int mi_lttng_pids_open(struct mi_writer *writer) | |
946 | { | |
947 | return mi_lttng_writer_open_element(writer, mi_lttng_element_pids); | |
948 | } | |
949 | ||
950 | LTTNG_HIDDEN | |
951 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline, | |
952 | int is_open) | |
953 | { | |
954 | int ret; | |
955 | ||
956 | /* Open element pid */ | |
957 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid); | |
958 | if (ret) { | |
959 | goto end; | |
960 | } | |
961 | ||
962 | /* Writing pid number */ | |
963 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
964 | mi_lttng_element_pid_id, (int)pid); | |
965 | if (ret) { | |
966 | goto end; | |
967 | } | |
968 | ||
969 | /* Writing name of the process */ | |
970 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
971 | cmdline); | |
972 | if (ret) { | |
973 | goto end; | |
974 | } | |
975 | ||
976 | if (!is_open) { | |
977 | /* Closing Pid */ | |
978 | ret = mi_lttng_writer_close_element(writer); | |
979 | } | |
980 | ||
981 | end: | |
982 | return ret; | |
983 | } | |
984 | ||
985 | LTTNG_HIDDEN | |
986 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
987 | { | |
988 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
989 | } | |
990 | ||
991 | LTTNG_HIDDEN | |
992 | int mi_lttng_event_field(struct mi_writer *writer, | |
993 | struct lttng_event_field *field) | |
994 | { | |
995 | int ret; | |
996 | ||
997 | if (!field->field_name[0]) { | |
998 | /* To Review: not sure if legal david ? | |
999 | * how should this be handle ? | |
1000 | */ | |
1001 | ret = 0; | |
1002 | goto end; | |
1003 | } | |
1004 | ||
1005 | /* Open field */ | |
1006 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1007 | if (ret) { | |
1008 | goto end; | |
1009 | } | |
1010 | ||
1011 | if (!field->field_name[0]) { | |
1012 | goto close; | |
1013 | } | |
1014 | ||
1015 | /* Name */ | |
1016 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1017 | field->field_name); | |
1018 | if (ret) { | |
1019 | goto end; | |
1020 | } | |
1021 | ||
1022 | /* Type */ | |
1023 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1024 | mi_lttng_eventfieldtype_string(field->type)); | |
1025 | if (ret) { | |
1026 | goto end; | |
1027 | } | |
1028 | ||
1029 | /* nowrite */ | |
1030 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1031 | mi_lttng_element_nowrite, field->nowrite); | |
1032 | if (ret) { | |
1033 | goto end; | |
1034 | } | |
1035 | ||
1036 | close: | |
1037 | /* Close field element */ | |
1038 | ret = mi_lttng_writer_close_element(writer); | |
1039 | ||
1040 | end: | |
1041 | return ret; | |
1042 | } | |
7e66b1b0 JRJ |
1043 | |
1044 | LTTNG_HIDDEN | |
1045 | int mi_lttng_calibrate(struct mi_writer *writer, | |
1046 | struct lttng_calibrate *calibrate) | |
1047 | { | |
1048 | int ret; | |
1049 | ||
1050 | /* Open calibrate element */ | |
1051 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate); | |
1052 | if (ret) { | |
1053 | goto end; | |
1054 | } | |
1055 | ||
1056 | /* Calibration type */ | |
1057 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1058 | mi_lttng_calibratetype_string(calibrate->type)); | |
1059 | if (ret) { | |
1060 | goto end; | |
1061 | } | |
1062 | ||
1063 | /* Closing calibrate element */ | |
1064 | ret = mi_lttng_writer_close_element(writer); | |
1065 | end: | |
1066 | return ret; | |
1067 | } | |
89b72577 JRJ |
1068 | LTTNG_HIDDEN |
1069 | int mi_lttng_context(struct mi_writer *writer, | |
1070 | struct lttng_event_context *context, int is_open) | |
1071 | { | |
1072 | int ret; | |
1073 | const char *type_string; | |
1074 | struct lttng_event_perf_counter_ctx *perf_context; | |
1075 | /* Open context */ | |
1076 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
1077 | if (ret) { | |
1078 | goto end; | |
1079 | } | |
1080 | ||
1081 | type_string = mi_lttng_event_contexttype_string(context->ctx); | |
1082 | if (!type_string) { | |
1083 | ret = -LTTNG_ERR_INVALID; | |
1084 | goto end; | |
1085 | } | |
1086 | ||
1087 | /* Print context type */ | |
1088 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1089 | type_string); | |
1090 | ||
1091 | /* Special case for PERF_*_COUNTER | |
1092 | * print the lttng_event_perf_counter_ctx*/ | |
1093 | switch (context->ctx) { | |
1094 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1095 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1096 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1097 | perf_context = &context->u.perf_counter; | |
1098 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1099 | if (ret) { | |
1100 | goto end; | |
1101 | } | |
1102 | break; | |
1103 | default: | |
1104 | break; | |
1105 | } | |
1106 | ||
1107 | /* Close context */ | |
1108 | if (!is_open) { | |
1109 | ret = mi_lttng_writer_close_element(writer); | |
1110 | } | |
1111 | ||
1112 | end: | |
1113 | return ret; | |
1114 | } | |
1115 | ||
1116 | LTTNG_HIDDEN | |
1117 | int mi_lttng_perf_counter_context(struct mi_writer *writer, | |
1118 | struct lttng_event_perf_counter_ctx *perf_context) | |
1119 | { | |
1120 | int ret; | |
1121 | ||
1122 | /* Open perf_counter_context */ | |
1123 | ret = mi_lttng_writer_open_element(writer, | |
1124 | mi_lttng_element_perf_counter_context); | |
1125 | if (ret) { | |
1126 | goto end; | |
1127 | } | |
1128 | ||
1129 | /* Type */ | |
1130 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1131 | config_element_type, perf_context->type); | |
1132 | if (ret) { | |
1133 | goto end; | |
1134 | } | |
1135 | ||
1136 | /* Config */ | |
1137 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1138 | config_element_config, perf_context->config); | |
1139 | if (ret) { | |
1140 | goto end; | |
1141 | } | |
1142 | ||
1143 | /* Name of the perf counter */ | |
1144 | ret = mi_lttng_writer_write_element_string(writer, | |
1145 | config_element_name, perf_context->name); | |
1146 | if (ret) { | |
1147 | goto end; | |
1148 | } | |
1149 | ||
1150 | /* Close perf_counter_context */ | |
1151 | ret = mi_lttng_writer_close_element(writer); | |
1152 | end: | |
1153 | return ret; | |
1154 | } |