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"; |
c7e35b03 | 41 | const char * const mi_lttng_element_command_output = "output"; |
1734c658 | 42 | const char * const mi_lttng_element_command_success = "success"; |
c7e35b03 | 43 | |
1734c658 | 44 | /* Strings related to version command */ |
c7e35b03 JR |
45 | const char * const mi_lttng_element_version = "version"; |
46 | const char * const mi_lttng_element_version_str = "string"; | |
47 | const char * const mi_lttng_element_version_web = "url"; | |
48 | const char * const mi_lttng_element_version_major = "major"; | |
49 | const char * const mi_lttng_element_version_minor = "minor"; | |
314d5222 | 50 | const char * const mi_lttng_element_version_commit = "commit"; |
c7e35b03 JR |
51 | const char * const mi_lttng_element_version_license = "license"; |
52 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; | |
53 | const char * const mi_lttng_element_version_description = "description"; | |
54 | ||
5e18ec73 JR |
55 | /* Strings related to pid */ |
56 | const char * const mi_lttng_element_pids = "pids"; | |
57 | const char * const mi_lttng_element_pid = "pid"; | |
58 | const char * const mi_lttng_element_pid_id = "id"; | |
59 | ||
1734c658 JRJ |
60 | /* Strings related to save command */ |
61 | const char * const mi_lttng_element_save = "save"; | |
62 | ||
63 | /* Strings related to load command */ | |
64 | const char * const mi_lttng_element_load = "load"; | |
65 | ||
5e18ec73 JR |
66 | /* String related to a lttng_event_field */ |
67 | const char * const mi_lttng_element_event_field = "event_field"; | |
68 | const char * const mi_lttng_element_event_fields = "event_fields"; | |
69 | ||
89b72577 JRJ |
70 | /* String related to lttng_event_context */ |
71 | const char * const mi_lttng_context_type_perf_counter = "PERF_COUNTER"; | |
72 | const char * const mi_lttng_context_type_perf_cpu_counter = "PERF_CPU_COUNTER"; | |
73 | const char * const mi_lttng_context_type_perf_thread_counter = "PERF_THREAD_COUNTER"; | |
74 | ||
75 | /* String related to lttng_event_perf_counter_ctx */ | |
76 | const char * const mi_lttng_element_perf_counter_context = "perf_counter_context"; | |
77 | ||
5e18ec73 JR |
78 | /* General elements of mi_lttng */ |
79 | const char * const mi_lttng_element_type_other = "OTHER"; | |
80 | const char * const mi_lttng_element_type_integer = "INTEGER"; | |
81 | const char * const mi_lttng_element_type_enum = "ENUM"; | |
82 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
83 | const char * const mi_lttng_element_type_string = "STRING"; | |
84 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
89b72577 | 85 | const char * const mi_lttng_element_success = "success"; |
5e18ec73 JR |
86 | |
87 | /* String related to loglevel */ | |
88 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
89 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
90 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
91 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
92 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
93 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
94 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
95 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
96 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
97 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
98 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
99 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
100 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
101 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
102 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
103 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
104 | ||
1734c658 | 105 | /* String related to loglevel type */ |
5e18ec73 JR |
106 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
107 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
108 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
109 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
110 | ||
7e66b1b0 JRJ |
111 | /* String related to lttng_calibrate */ |
112 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
113 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
114 | ||
5e18ec73 JR |
115 | const char * const mi_lttng_element_empty = ""; |
116 | ||
117 | const char *mi_lttng_loglevel_string(int value) | |
118 | { | |
119 | switch (value) { | |
120 | case -1: | |
121 | return mi_lttng_element_empty; | |
122 | case LTTNG_LOGLEVEL_EMERG: | |
123 | return mi_lttng_loglevel_str_emerg; | |
124 | case LTTNG_LOGLEVEL_ALERT: | |
125 | return mi_lttng_loglevel_str_alert; | |
126 | case LTTNG_LOGLEVEL_CRIT: | |
127 | return mi_lttng_loglevel_str_crit; | |
128 | case LTTNG_LOGLEVEL_ERR: | |
129 | return mi_lttng_loglevel_str_err; | |
130 | case LTTNG_LOGLEVEL_WARNING: | |
131 | return mi_lttng_loglevel_str_warning; | |
132 | case LTTNG_LOGLEVEL_NOTICE: | |
133 | return mi_lttng_loglevel_str_notice; | |
134 | case LTTNG_LOGLEVEL_INFO: | |
135 | return mi_lttng_loglevel_str_info; | |
136 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
137 | return mi_lttng_loglevel_str_debug_system; | |
138 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
139 | return mi_lttng_loglevel_str_debug_program; | |
140 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
141 | return mi_lttng_loglevel_str_debug_process; | |
142 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
143 | return mi_lttng_loglevel_str_debug_module; | |
144 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
145 | return mi_lttng_loglevel_str_debug_unit; | |
146 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
147 | return mi_lttng_loglevel_str_debug_function; | |
148 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
149 | return mi_lttng_loglevel_str_debug_line; | |
150 | case LTTNG_LOGLEVEL_DEBUG: | |
151 | return mi_lttng_loglevel_str_debug; | |
152 | default: | |
153 | return mi_lttng_loglevel_str_unknown; | |
154 | } | |
155 | } | |
156 | ||
157 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
158 | { | |
159 | switch (value) { | |
160 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
161 | return mi_lttng_loglevel_type_all; | |
162 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
163 | return mi_lttng_loglevel_type_range; | |
164 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
165 | return mi_lttng_loglevel_type_single; | |
166 | default: | |
167 | return mi_lttng_loglevel_type_unknown; | |
168 | } | |
169 | } | |
170 | ||
171 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
172 | { | |
173 | switch (value) { | |
174 | case LTTNG_EVENT_ALL: | |
175 | return config_event_type_all; | |
176 | case LTTNG_EVENT_TRACEPOINT: | |
177 | return config_event_type_tracepoint; | |
178 | case LTTNG_EVENT_PROBE: | |
179 | return config_event_type_probe; | |
180 | case LTTNG_EVENT_FUNCTION: | |
181 | return config_event_type_function; | |
182 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
183 | return config_event_type_function_entry; | |
184 | case LTTNG_EVENT_SYSCALL: | |
185 | return config_event_type_syscall; | |
186 | case LTTNG_EVENT_NOOP: | |
187 | return config_event_type_noop; | |
188 | default: | |
189 | return mi_lttng_element_empty; | |
190 | } | |
191 | } | |
192 | ||
89b72577 JRJ |
193 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
194 | { | |
195 | switch (val) { | |
196 | case LTTNG_EVENT_CONTEXT_PID: | |
197 | return config_event_context_pid; | |
198 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
199 | return mi_lttng_context_type_perf_counter; | |
200 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
201 | return mi_lttng_context_type_perf_thread_counter; | |
202 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
203 | return mi_lttng_context_type_perf_cpu_counter; | |
204 | case LTTNG_EVENT_CONTEXT_PROCNAME: | |
205 | return config_event_context_procname; | |
206 | case LTTNG_EVENT_CONTEXT_PRIO: | |
207 | return config_event_context_prio; | |
208 | case LTTNG_EVENT_CONTEXT_NICE: | |
209 | return config_event_context_nice; | |
210 | case LTTNG_EVENT_CONTEXT_VPID: | |
211 | return config_event_context_vpid; | |
212 | case LTTNG_EVENT_CONTEXT_TID: | |
213 | return config_event_context_tid; | |
214 | case LTTNG_EVENT_CONTEXT_VTID: | |
215 | return config_event_context_vtid; | |
216 | case LTTNG_EVENT_CONTEXT_PPID: | |
217 | return config_event_context_ppid; | |
218 | case LTTNG_EVENT_CONTEXT_VPPID: | |
219 | return config_event_context_vppid; | |
220 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
221 | return config_event_context_pthread_id; | |
222 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
223 | return config_event_context_hostname; | |
224 | case LTTNG_EVENT_CONTEXT_IP: | |
225 | return config_event_context_ip; | |
226 | default: | |
227 | return NULL; | |
228 | } | |
229 | } | |
230 | ||
5e18ec73 JR |
231 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
232 | { | |
233 | switch (val) { | |
234 | case(LTTNG_EVENT_FIELD_INTEGER): | |
235 | return mi_lttng_element_type_integer; | |
236 | case(LTTNG_EVENT_FIELD_ENUM): | |
237 | return mi_lttng_element_type_enum; | |
238 | case(LTTNG_EVENT_FIELD_FLOAT): | |
239 | return mi_lttng_element_type_float; | |
240 | case(LTTNG_EVENT_FIELD_STRING): | |
241 | return mi_lttng_element_type_string; | |
242 | default: | |
243 | return mi_lttng_element_type_other; | |
244 | } | |
245 | } | |
246 | ||
247 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
248 | { | |
249 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
250 | switch (value) { | |
251 | case LTTNG_DOMAIN_KERNEL: | |
252 | return config_domain_type_kernel; | |
253 | case LTTNG_DOMAIN_UST: | |
254 | return config_domain_type_ust; | |
255 | case LTTNG_DOMAIN_JUL: | |
256 | return config_domain_type_jul; | |
257 | default: | |
258 | /* Should not have an unknown domain */ | |
259 | assert(0); | |
260 | } | |
261 | } | |
262 | ||
263 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
264 | { | |
265 | switch (value) { | |
266 | case LTTNG_BUFFER_PER_PID: | |
267 | return config_buffer_type_per_pid; | |
268 | case LTTNG_BUFFER_PER_UID: | |
269 | return config_buffer_type_per_uid; | |
270 | case LTTNG_BUFFER_GLOBAL: | |
271 | return config_buffer_type_global; | |
272 | default: | |
273 | /* Should not have an unknow buffer type */ | |
274 | assert(0); | |
275 | } | |
276 | } | |
277 | ||
7e66b1b0 JRJ |
278 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
279 | { | |
280 | const char *ret; | |
281 | ||
282 | switch (val) { | |
283 | case LTTNG_CALIBRATE_FUNCTION: | |
284 | ret = mi_lttng_element_calibrate_function; | |
285 | break; | |
286 | default: | |
287 | ret = mi_lttng_element_empty; | |
288 | break; | |
289 | } | |
290 | return ret; | |
291 | } | |
292 | ||
c7e35b03 JR |
293 | LTTNG_HIDDEN |
294 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
295 | { | |
296 | struct mi_writer *mi_writer; | |
297 | ||
298 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
299 | if (!mi_writer) { | |
300 | PERROR("zmalloc mi_writer_create"); | |
301 | goto end; | |
302 | } | |
303 | if (mi_output_type == LTTNG_MI_XML) { | |
304 | mi_writer->writer = config_writer_create(fd_output); | |
305 | if (!mi_writer->writer) { | |
306 | goto err_destroy; | |
307 | } | |
308 | mi_writer->type = LTTNG_MI_XML; | |
309 | } else { | |
310 | goto err_destroy; | |
311 | } | |
312 | ||
313 | end: | |
314 | return mi_writer; | |
315 | ||
316 | err_destroy: | |
317 | free(mi_writer); | |
318 | return NULL; | |
319 | } | |
320 | ||
321 | LTTNG_HIDDEN | |
322 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
323 | { | |
324 | int ret; | |
325 | ||
326 | if (!writer) { | |
327 | ret = -EINVAL; | |
328 | goto end; | |
329 | } | |
330 | ||
331 | ret = config_writer_destroy(writer->writer); | |
332 | if (ret < 0) { | |
333 | goto end; | |
334 | } | |
335 | ||
336 | free(writer); | |
337 | end: | |
338 | return ret; | |
339 | } | |
340 | ||
341 | LTTNG_HIDDEN | |
342 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
343 | { | |
344 | int ret; | |
345 | ||
346 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
347 | if (ret) { | |
348 | goto end; | |
349 | } | |
350 | ret = mi_lttng_writer_write_element_string(writer, | |
351 | mi_lttng_element_command_name, command); | |
352 | end: | |
353 | return ret; | |
354 | } | |
355 | ||
356 | LTTNG_HIDDEN | |
357 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
358 | { | |
359 | return mi_lttng_writer_close_element(writer); | |
360 | } | |
361 | ||
362 | LTTNG_HIDDEN | |
363 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
364 | const char *element_name) | |
365 | { | |
366 | return config_writer_open_element(writer->writer, element_name); | |
367 | } | |
368 | ||
369 | LTTNG_HIDDEN | |
370 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
371 | { | |
372 | return config_writer_close_element(writer->writer); | |
373 | } | |
374 | ||
5e18ec73 JR |
375 | LTTNG_HIDDEN |
376 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
377 | unsigned int nb_element) | |
378 | { | |
379 | int ret, i; | |
380 | ||
381 | if (nb_element < 1) { | |
382 | ret = 0; | |
383 | goto end; | |
384 | } | |
385 | for (i = 0; i < nb_element; i++) { | |
386 | ret = mi_lttng_writer_close_element(writer); | |
387 | if (ret) { | |
388 | goto end; | |
389 | } | |
390 | } | |
391 | end: | |
392 | return ret; | |
393 | } | |
394 | ||
c7e35b03 JR |
395 | LTTNG_HIDDEN |
396 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
397 | const char *element_name, uint64_t value) | |
398 | { | |
399 | return config_writer_write_element_unsigned_int(writer->writer, | |
400 | element_name, value); | |
401 | } | |
402 | ||
403 | LTTNG_HIDDEN | |
404 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
405 | const char *element_name, int64_t value) | |
406 | { | |
407 | return config_writer_write_element_signed_int(writer->writer, | |
408 | element_name, value); | |
409 | } | |
410 | ||
411 | LTTNG_HIDDEN | |
412 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
413 | const char *element_name, int value) | |
414 | { | |
415 | return config_writer_write_element_bool(writer->writer, | |
416 | element_name, value); | |
417 | } | |
418 | ||
419 | LTTNG_HIDDEN | |
420 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
421 | const char *element_name, const char *value) | |
422 | { | |
423 | return config_writer_write_element_string(writer->writer, | |
424 | element_name, value); | |
425 | } | |
426 | ||
427 | LTTNG_HIDDEN | |
428 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
429 | const char *lttng_description, const char *lttng_license) | |
430 | { | |
431 | int ret; | |
432 | ||
433 | /* Open version */ | |
434 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
435 | if (ret) { | |
436 | goto end; | |
437 | } | |
438 | ||
439 | /* Version string (contain info like rc etc.) */ | |
440 | ret = mi_lttng_writer_write_element_string(writer, | |
441 | mi_lttng_element_version_str, VERSION); | |
442 | if (ret) { | |
443 | goto end; | |
444 | } | |
445 | ||
446 | /* Major version number */ | |
447 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
448 | mi_lttng_element_version_major, version->version_major); | |
449 | if (ret) { | |
450 | goto end; | |
451 | } | |
452 | ||
453 | /* Minor version number */ | |
454 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
455 | mi_lttng_element_version_minor, version->version_minor); | |
456 | if (ret) { | |
457 | goto end; | |
458 | } | |
459 | ||
314d5222 JRJ |
460 | /* Commit version number */ |
461 | ret = mi_lttng_writer_write_element_string(writer, | |
462 | mi_lttng_element_version_commit, version->version_commit); | |
463 | if (ret) { | |
464 | goto end; | |
465 | } | |
466 | ||
c7e35b03 JR |
467 | /* Patch number */ |
468 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
469 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
470 | if (ret) { | |
471 | goto end; | |
472 | } | |
473 | ||
474 | /* Name of the version */ | |
475 | ret = mi_lttng_writer_write_element_string(writer, | |
476 | config_element_name, version->version_name); | |
477 | if (ret) { | |
478 | goto end; | |
479 | } | |
480 | ||
481 | /* Description mostly related to beer... */ | |
482 | ret = mi_lttng_writer_write_element_string(writer, | |
483 | mi_lttng_element_version_description, lttng_description); | |
484 | if (ret) { | |
485 | goto end; | |
486 | } | |
487 | ||
488 | /* url */ | |
489 | ret = mi_lttng_writer_write_element_string(writer, | |
490 | mi_lttng_element_version_web, version->package_url); | |
491 | if (ret) { | |
492 | goto end; | |
493 | } | |
494 | ||
495 | /* License: free as in free beer...no...*speech* */ | |
496 | ret = mi_lttng_writer_write_element_string(writer, | |
497 | mi_lttng_element_version_license, lttng_license); | |
498 | if (ret) { | |
499 | goto end; | |
500 | } | |
501 | ||
502 | /* Close version element */ | |
503 | ret = mi_lttng_writer_close_element(writer); | |
504 | ||
505 | end: | |
506 | return ret; | |
507 | } | |
508 | ||
5e18ec73 JR |
509 | LTTNG_HIDDEN |
510 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
511 | { | |
512 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
513 | } | |
514 | ||
c7e35b03 JR |
515 | LTTNG_HIDDEN |
516 | int mi_lttng_session(struct mi_writer *writer, | |
517 | struct lttng_session *session, int is_open) | |
518 | { | |
519 | int ret; | |
520 | ||
5e18ec73 JR |
521 | assert(session); |
522 | ||
523 | /* Open sessions element */ | |
c7e35b03 JR |
524 | ret = mi_lttng_writer_open_element(writer, |
525 | config_element_session); | |
526 | if (ret) { | |
527 | goto end; | |
528 | } | |
529 | ||
530 | /* Name of the session */ | |
531 | ret = mi_lttng_writer_write_element_string(writer, | |
532 | config_element_name, session->name); | |
533 | if (ret) { | |
534 | goto end; | |
535 | } | |
536 | ||
5e18ec73 | 537 | /* Path */ |
c7e35b03 JR |
538 | ret = mi_lttng_writer_write_element_string(writer, |
539 | config_element_path, session->path); | |
540 | if (ret) { | |
541 | goto end; | |
542 | } | |
543 | ||
5e18ec73 JR |
544 | /* Enabled ? */ |
545 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
546 | config_element_enabled, session->enabled); |
547 | if (ret) { | |
548 | goto end; | |
549 | } | |
550 | ||
5e18ec73 | 551 | /* Snapshot mode */ |
c7e35b03 JR |
552 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
553 | config_element_snapshot_mode, session->snapshot_mode); | |
554 | if (ret) { | |
555 | goto end; | |
556 | } | |
557 | ||
5e18ec73 | 558 | /* Live timer interval in usec */ |
c7e35b03 JR |
559 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
560 | config_element_live_timer_interval, | |
561 | session->live_timer_interval); | |
562 | if (ret) { | |
563 | goto end; | |
564 | } | |
565 | ||
566 | if (!is_open) { | |
567 | /* Closing session element */ | |
568 | ret = mi_lttng_writer_close_element(writer); | |
569 | } | |
570 | end: | |
571 | return ret; | |
572 | ||
573 | } | |
5e18ec73 JR |
574 | |
575 | LTTNG_HIDDEN | |
576 | int mi_lttng_domains_open(struct mi_writer *writer) | |
577 | { | |
578 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
579 | } | |
580 | ||
581 | LTTNG_HIDDEN | |
582 | int mi_lttng_domain(struct mi_writer *writer, | |
583 | struct lttng_domain *domain, int is_open) | |
584 | { | |
585 | int ret = 0; | |
586 | const char *str_domain; | |
587 | const char *str_buffer; | |
588 | ||
589 | assert(domain); | |
590 | ||
591 | /* Open domain element */ | |
592 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
593 | if (ret) { | |
594 | goto end; | |
595 | } | |
596 | ||
597 | /* Domain Type */ | |
598 | str_domain = mi_lttng_domaintype_string(domain->type); | |
599 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
600 | str_domain); | |
601 | if (ret) { | |
602 | goto end; | |
603 | } | |
604 | ||
605 | /* Buffer Type */ | |
606 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
607 | ret = mi_lttng_writer_write_element_string(writer, | |
608 | config_element_buffer_type, str_buffer); | |
609 | if (ret) { | |
610 | goto end; | |
611 | } | |
612 | ||
613 | /* TODO: attr... not sure how to use the union.... */ | |
614 | ||
615 | if (!is_open) { | |
616 | /* Closing domain element */ | |
617 | ret = mi_lttng_writer_close_element(writer); | |
618 | } | |
619 | ||
620 | end: | |
621 | return ret; | |
622 | ||
623 | } | |
624 | ||
625 | LTTNG_HIDDEN | |
626 | int mi_lttng_channels_open(struct mi_writer *writer) | |
627 | { | |
628 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
629 | } | |
630 | ||
631 | LTTNG_HIDDEN | |
632 | int mi_lttng_channel(struct mi_writer *writer, | |
633 | struct lttng_channel *channel, int is_open) | |
634 | { | |
635 | int ret = 0; | |
636 | ||
637 | assert(channel); | |
638 | ||
639 | /* Opening channel element */ | |
640 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
641 | if (ret) { | |
642 | goto end; | |
643 | } | |
644 | ||
645 | /* Name */ | |
646 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
647 | channel->name); | |
648 | if (ret) { | |
649 | goto end; | |
650 | } | |
651 | ||
652 | /* Enabled ? */ | |
653 | ret = mi_lttng_writer_write_element_bool(writer, | |
654 | config_element_enabled, channel->enabled); | |
655 | if (ret) { | |
656 | goto end; | |
657 | } | |
658 | ||
659 | /* Attribute */ | |
660 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
661 | if (ret) { | |
662 | goto end; | |
663 | } | |
664 | ||
665 | if (!is_open) { | |
666 | /* Closing channel element */ | |
667 | ret = mi_lttng_writer_close_element(writer); | |
668 | if (ret) { | |
669 | goto end; | |
670 | } | |
671 | } | |
672 | end: | |
673 | return ret; | |
674 | } | |
675 | ||
676 | LTTNG_HIDDEN | |
677 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
678 | struct lttng_channel_attr *attr) | |
679 | { | |
680 | int ret = 0; | |
681 | ||
682 | assert(attr); | |
683 | ||
684 | /* Opening Attributes */ | |
685 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
686 | if (ret) { | |
687 | goto end; | |
688 | } | |
689 | ||
690 | /* Overwrite */ | |
691 | ret = mi_lttng_writer_write_element_string(writer, | |
692 | config_element_overwrite_mode, | |
693 | attr->overwrite ? config_overwrite_mode_overwrite : | |
694 | config_overwrite_mode_discard); | |
695 | if (ret) { | |
696 | goto end; | |
697 | } | |
698 | ||
699 | /* Sub buffer size in byte */ | |
700 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
701 | config_element_subbuf_size, attr->subbuf_size); | |
702 | if (ret) { | |
703 | goto end; | |
704 | } | |
705 | ||
706 | /* Number of subbuffer (power of two) */ | |
707 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
708 | config_element_num_subbuf, | |
709 | attr->num_subbuf); | |
710 | if (ret) { | |
711 | goto end; | |
712 | } | |
713 | ||
714 | /* Switch timer interval in usec */ | |
715 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
716 | config_element_switch_timer_interval, | |
717 | attr->switch_timer_interval); | |
718 | if (ret) { | |
719 | goto end; | |
720 | } | |
721 | ||
722 | /* Read timer interval in usec */ | |
723 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
724 | config_element_read_timer_interval, | |
725 | attr->read_timer_interval); | |
726 | if (ret) { | |
727 | goto end; | |
728 | } | |
729 | ||
730 | /* Event output */ | |
731 | ret = mi_lttng_writer_write_element_string(writer, | |
732 | config_element_output_type, | |
733 | attr->output == LTTNG_EVENT_SPLICE ? | |
734 | config_output_type_splice : config_output_type_mmap); | |
735 | if (ret) { | |
736 | goto end; | |
737 | } | |
738 | ||
739 | /* Tracefile size in bytes */ | |
740 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
741 | config_element_tracefile_size, attr->tracefile_size); | |
742 | if (ret) { | |
743 | goto end; | |
744 | } | |
745 | ||
746 | /* Count of tracefiles */ | |
747 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
748 | config_element_tracefile_count, | |
749 | attr->tracefile_count); | |
750 | if (ret) { | |
751 | goto end; | |
752 | } | |
753 | ||
754 | /* Live timer interval in usec*/ | |
755 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
756 | config_element_live_timer_interval, | |
757 | attr->live_timer_interval); | |
758 | if (ret) { | |
759 | goto end; | |
760 | } | |
761 | ||
762 | /* Closing attributes */ | |
763 | ret = mi_lttng_writer_close_element(writer); | |
764 | if (ret) { | |
765 | goto end; | |
766 | } | |
767 | end: | |
768 | return ret; | |
769 | ||
770 | } | |
771 | ||
772 | LTTNG_HIDDEN | |
773 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
774 | struct lttng_event *event) | |
775 | { | |
776 | int ret; | |
777 | ||
778 | /* Open event element */ | |
779 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
780 | if (ret) { | |
781 | goto end; | |
782 | } | |
783 | ||
784 | /* event name */ | |
785 | ret = mi_lttng_writer_write_element_string(writer, | |
786 | config_element_name, event->name); | |
787 | if (ret) { | |
788 | goto end; | |
789 | } | |
790 | ||
791 | /* event type */ | |
792 | ret = mi_lttng_writer_write_element_string(writer, | |
793 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
794 | if (ret) { | |
795 | goto end; | |
796 | } | |
797 | ||
798 | /* is event enabled */ | |
799 | ret = mi_lttng_writer_write_element_bool(writer, | |
800 | config_element_enabled, event->enabled); | |
801 | if (ret) { | |
802 | goto end; | |
803 | } | |
804 | ||
805 | /* event filter enabled? */ | |
806 | ret = mi_lttng_writer_write_element_bool(writer, | |
807 | config_element_filter, event->filter); | |
808 | ||
809 | end: | |
810 | return ret; | |
811 | } | |
812 | ||
813 | LTTNG_HIDDEN | |
814 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
815 | struct lttng_event *event) | |
816 | { | |
817 | int ret; | |
818 | ||
819 | /* event loglevel */ | |
820 | ret = mi_lttng_writer_write_element_string(writer, | |
821 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
822 | if (ret) { | |
823 | goto end; | |
824 | } | |
825 | ||
826 | ret = mi_lttng_writer_write_element_string(writer, | |
827 | config_element_loglevel_type, | |
828 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
829 | if (ret) { | |
830 | goto end; | |
831 | } | |
832 | ||
833 | /* event exclusion filter */ | |
834 | ret = mi_lttng_writer_write_element_bool(writer, | |
835 | config_element_exclusion, event->exclusion); | |
836 | if (ret) { | |
837 | goto end; | |
838 | } | |
839 | ||
840 | end: | |
841 | return ret; | |
842 | } | |
843 | ||
844 | LTTNG_HIDDEN | |
845 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
846 | struct lttng_event *event) | |
847 | { | |
848 | /* event exclusion filter */ | |
849 | return mi_lttng_writer_write_element_bool(writer, | |
850 | config_element_exclusion, event->exclusion); | |
851 | } | |
852 | ||
853 | LTTNG_HIDDEN | |
854 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
855 | struct lttng_event *event) | |
856 | { | |
857 | int ret; | |
858 | ||
859 | if (event->attr.probe.addr != 0) { | |
860 | /* event probe address */ | |
861 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
862 | config_element_address, event->attr.probe.addr); | |
863 | if (ret) { | |
864 | goto end; | |
865 | } | |
866 | } else { | |
867 | /* event probe offset */ | |
868 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
869 | config_element_offset, event->attr.probe.offset); | |
870 | if (ret) { | |
871 | goto end; | |
872 | } | |
873 | ||
874 | /* event probe symbol_name */ | |
875 | ret = mi_lttng_writer_write_element_string(writer, | |
876 | config_element_symbol_name, event->attr.probe.symbol_name); | |
877 | if (ret) { | |
878 | goto end; | |
879 | } | |
880 | } | |
881 | end: | |
882 | return ret; | |
883 | } | |
884 | ||
885 | LTTNG_HIDDEN | |
886 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
887 | struct lttng_event *event) | |
888 | { | |
889 | /* event probe symbol_name */ | |
890 | return mi_lttng_writer_write_element_string(writer, | |
891 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
892 | } | |
893 | ||
894 | LTTNG_HIDDEN | |
895 | int mi_lttng_events_open(struct mi_writer *writer) | |
896 | { | |
897 | return mi_lttng_writer_open_element(writer, config_element_events); | |
898 | } | |
899 | ||
900 | LTTNG_HIDDEN | |
901 | int mi_lttng_event(struct mi_writer *writer, | |
902 | struct lttng_event *event, int is_open) | |
903 | { | |
904 | int ret; | |
905 | ||
906 | ret = mi_lttng_event_common_attributes(writer, event); | |
907 | if (ret) { | |
908 | goto end; | |
909 | } | |
910 | ||
911 | switch (event->type) { | |
5e18ec73 | 912 | /* We should never have "all" events in list. */ |
5e18ec73 JR |
913 | break; |
914 | case LTTNG_EVENT_TRACEPOINT: | |
915 | { | |
916 | if (event->loglevel != -1) { | |
917 | ret = mi_lttng_event_tracepoint_loglevel(writer, event); | |
918 | } else { | |
919 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
920 | } | |
921 | break; | |
922 | } | |
923 | case LTTNG_EVENT_PROBE: | |
924 | ret = mi_lttng_event_function_probe(writer, event); | |
925 | break; | |
926 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
927 | ret = mi_lttng_event_function_entry(writer, event); | |
928 | break; | |
89476427 JRJ |
929 | case LTTNG_EVENT_ALL: |
930 | /* Fallthrough */ | |
5e18ec73 JR |
931 | default: |
932 | break; | |
933 | } | |
934 | ||
935 | if (!is_open) { | |
936 | ret = mi_lttng_writer_close_element(writer); | |
937 | } | |
938 | ||
939 | end: | |
940 | return ret; | |
941 | } | |
942 | ||
943 | LTTNG_HIDDEN | |
944 | int mi_lttng_pids_open(struct mi_writer *writer) | |
945 | { | |
946 | return mi_lttng_writer_open_element(writer, mi_lttng_element_pids); | |
947 | } | |
948 | ||
949 | LTTNG_HIDDEN | |
950 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline, | |
951 | int is_open) | |
952 | { | |
953 | int ret; | |
954 | ||
955 | /* Open element pid */ | |
956 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid); | |
957 | if (ret) { | |
958 | goto end; | |
959 | } | |
960 | ||
961 | /* Writing pid number */ | |
962 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
963 | mi_lttng_element_pid_id, (int)pid); | |
964 | if (ret) { | |
965 | goto end; | |
966 | } | |
967 | ||
968 | /* Writing name of the process */ | |
969 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
970 | cmdline); | |
971 | if (ret) { | |
972 | goto end; | |
973 | } | |
974 | ||
975 | if (!is_open) { | |
976 | /* Closing Pid */ | |
977 | ret = mi_lttng_writer_close_element(writer); | |
978 | } | |
979 | ||
980 | end: | |
981 | return ret; | |
982 | } | |
983 | ||
984 | LTTNG_HIDDEN | |
985 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
986 | { | |
987 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
988 | } | |
989 | ||
990 | LTTNG_HIDDEN | |
991 | int mi_lttng_event_field(struct mi_writer *writer, | |
992 | struct lttng_event_field *field) | |
993 | { | |
994 | int ret; | |
995 | ||
996 | if (!field->field_name[0]) { | |
997 | /* To Review: not sure if legal david ? | |
998 | * how should this be handle ? | |
999 | */ | |
1000 | ret = 0; | |
1001 | goto end; | |
1002 | } | |
1003 | ||
1004 | /* Open field */ | |
1005 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1006 | if (ret) { | |
1007 | goto end; | |
1008 | } | |
1009 | ||
1010 | if (!field->field_name[0]) { | |
1011 | goto close; | |
1012 | } | |
1013 | ||
1014 | /* Name */ | |
1015 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1016 | field->field_name); | |
1017 | if (ret) { | |
1018 | goto end; | |
1019 | } | |
1020 | ||
1021 | /* Type */ | |
1022 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1023 | mi_lttng_eventfieldtype_string(field->type)); | |
1024 | if (ret) { | |
1025 | goto end; | |
1026 | } | |
1027 | ||
1028 | /* nowrite */ | |
1029 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1030 | mi_lttng_element_nowrite, field->nowrite); | |
1031 | if (ret) { | |
1032 | goto end; | |
1033 | } | |
1034 | ||
1035 | close: | |
1036 | /* Close field element */ | |
1037 | ret = mi_lttng_writer_close_element(writer); | |
1038 | ||
1039 | end: | |
1040 | return ret; | |
1041 | } | |
7e66b1b0 JRJ |
1042 | |
1043 | LTTNG_HIDDEN | |
1044 | int mi_lttng_calibrate(struct mi_writer *writer, | |
1045 | struct lttng_calibrate *calibrate) | |
1046 | { | |
1047 | int ret; | |
1048 | ||
1049 | /* Open calibrate element */ | |
1050 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate); | |
1051 | if (ret) { | |
1052 | goto end; | |
1053 | } | |
1054 | ||
1055 | /* Calibration type */ | |
1056 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1057 | mi_lttng_calibratetype_string(calibrate->type)); | |
1058 | if (ret) { | |
1059 | goto end; | |
1060 | } | |
1061 | ||
1062 | /* Closing calibrate element */ | |
1063 | ret = mi_lttng_writer_close_element(writer); | |
1064 | end: | |
1065 | return ret; | |
1066 | } | |
89b72577 JRJ |
1067 | LTTNG_HIDDEN |
1068 | int mi_lttng_context(struct mi_writer *writer, | |
1069 | struct lttng_event_context *context, int is_open) | |
1070 | { | |
1071 | int ret; | |
1072 | const char *type_string; | |
1073 | struct lttng_event_perf_counter_ctx *perf_context; | |
1074 | /* Open context */ | |
1075 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
1076 | if (ret) { | |
1077 | goto end; | |
1078 | } | |
1079 | ||
1080 | type_string = mi_lttng_event_contexttype_string(context->ctx); | |
1081 | if (!type_string) { | |
1082 | ret = -LTTNG_ERR_INVALID; | |
1083 | goto end; | |
1084 | } | |
1085 | ||
1086 | /* Print context type */ | |
1087 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1088 | type_string); | |
1089 | ||
1090 | /* Special case for PERF_*_COUNTER | |
1091 | * print the lttng_event_perf_counter_ctx*/ | |
1092 | switch (context->ctx) { | |
1093 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1094 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1095 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1096 | perf_context = &context->u.perf_counter; | |
1097 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1098 | if (ret) { | |
1099 | goto end; | |
1100 | } | |
1101 | break; | |
1102 | default: | |
1103 | break; | |
1104 | } | |
1105 | ||
1106 | /* Close context */ | |
1107 | if (!is_open) { | |
1108 | ret = mi_lttng_writer_close_element(writer); | |
1109 | } | |
1110 | ||
1111 | end: | |
1112 | return ret; | |
1113 | } | |
1114 | ||
1115 | LTTNG_HIDDEN | |
1116 | int mi_lttng_perf_counter_context(struct mi_writer *writer, | |
1117 | struct lttng_event_perf_counter_ctx *perf_context) | |
1118 | { | |
1119 | int ret; | |
1120 | ||
1121 | /* Open perf_counter_context */ | |
1122 | ret = mi_lttng_writer_open_element(writer, | |
1123 | mi_lttng_element_perf_counter_context); | |
1124 | if (ret) { | |
1125 | goto end; | |
1126 | } | |
1127 | ||
1128 | /* Type */ | |
1129 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1130 | config_element_type, perf_context->type); | |
1131 | if (ret) { | |
1132 | goto end; | |
1133 | } | |
1134 | ||
1135 | /* Config */ | |
1136 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1137 | config_element_config, perf_context->config); | |
1138 | if (ret) { | |
1139 | goto end; | |
1140 | } | |
1141 | ||
1142 | /* Name of the perf counter */ | |
1143 | ret = mi_lttng_writer_write_element_string(writer, | |
1144 | config_element_name, perf_context->name); | |
1145 | if (ret) { | |
1146 | goto end; | |
1147 | } | |
1148 | ||
1149 | /* Close perf_counter_context */ | |
1150 | ret = mi_lttng_writer_close_element(writer); | |
1151 | end: | |
1152 | return ret; | |
1153 | } |