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