Commit | Line | Data |
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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"; |
e4d484a5 | 42 | const char * const mi_lttng_element_command_disable_event = "disable-event"; |
c7e35b03 | 43 | const char * const mi_lttng_element_command_output = "output"; |
1734c658 | 44 | const char * const mi_lttng_element_command_success = "success"; |
c7e35b03 | 45 | |
1734c658 | 46 | /* Strings related to version command */ |
c7e35b03 JR |
47 | const char * const mi_lttng_element_version = "version"; |
48 | const char * const mi_lttng_element_version_str = "string"; | |
49 | const char * const mi_lttng_element_version_web = "url"; | |
50 | const char * const mi_lttng_element_version_major = "major"; | |
51 | const char * const mi_lttng_element_version_minor = "minor"; | |
314d5222 | 52 | const char * const mi_lttng_element_version_commit = "commit"; |
c7e35b03 JR |
53 | const char * const mi_lttng_element_version_license = "license"; |
54 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; | |
55 | const char * const mi_lttng_element_version_description = "description"; | |
56 | ||
5e18ec73 JR |
57 | /* Strings related to pid */ |
58 | const char * const mi_lttng_element_pids = "pids"; | |
59 | const char * const mi_lttng_element_pid = "pid"; | |
60 | const char * const mi_lttng_element_pid_id = "id"; | |
61 | ||
1734c658 JRJ |
62 | /* Strings related to save command */ |
63 | const char * const mi_lttng_element_save = "save"; | |
64 | ||
65 | /* Strings related to load command */ | |
66 | const char * const mi_lttng_element_load = "load"; | |
67 | ||
5e18ec73 JR |
68 | /* String related to a lttng_event_field */ |
69 | const char * const mi_lttng_element_event_field = "event_field"; | |
70 | const char * const mi_lttng_element_event_fields = "event_fields"; | |
71 | ||
89b72577 JRJ |
72 | /* String related to lttng_event_context */ |
73 | const char * const mi_lttng_context_type_perf_counter = "PERF_COUNTER"; | |
74 | const char * const mi_lttng_context_type_perf_cpu_counter = "PERF_CPU_COUNTER"; | |
75 | const char * const mi_lttng_context_type_perf_thread_counter = "PERF_THREAD_COUNTER"; | |
76 | ||
77 | /* String related to lttng_event_perf_counter_ctx */ | |
78 | const char * const mi_lttng_element_perf_counter_context = "perf_counter_context"; | |
79 | ||
5e18ec73 JR |
80 | /* General elements of mi_lttng */ |
81 | const char * const mi_lttng_element_type_other = "OTHER"; | |
82 | const char * const mi_lttng_element_type_integer = "INTEGER"; | |
83 | const char * const mi_lttng_element_type_enum = "ENUM"; | |
84 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
85 | const char * const mi_lttng_element_type_string = "STRING"; | |
86 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
89b72577 | 87 | const char * const mi_lttng_element_success = "success"; |
5e18ec73 JR |
88 | |
89 | /* String related to loglevel */ | |
90 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
91 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
92 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
93 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
94 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
95 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
96 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
97 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
98 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
99 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
100 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
101 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
102 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
103 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
104 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
105 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
106 | ||
1734c658 | 107 | /* String related to loglevel type */ |
5e18ec73 JR |
108 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
109 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
110 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
111 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
112 | ||
7e66b1b0 JRJ |
113 | /* String related to lttng_calibrate */ |
114 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
115 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
116 | ||
5e18ec73 JR |
117 | const char * const mi_lttng_element_empty = ""; |
118 | ||
119 | const char *mi_lttng_loglevel_string(int value) | |
120 | { | |
121 | switch (value) { | |
122 | case -1: | |
123 | return mi_lttng_element_empty; | |
124 | case LTTNG_LOGLEVEL_EMERG: | |
125 | return mi_lttng_loglevel_str_emerg; | |
126 | case LTTNG_LOGLEVEL_ALERT: | |
127 | return mi_lttng_loglevel_str_alert; | |
128 | case LTTNG_LOGLEVEL_CRIT: | |
129 | return mi_lttng_loglevel_str_crit; | |
130 | case LTTNG_LOGLEVEL_ERR: | |
131 | return mi_lttng_loglevel_str_err; | |
132 | case LTTNG_LOGLEVEL_WARNING: | |
133 | return mi_lttng_loglevel_str_warning; | |
134 | case LTTNG_LOGLEVEL_NOTICE: | |
135 | return mi_lttng_loglevel_str_notice; | |
136 | case LTTNG_LOGLEVEL_INFO: | |
137 | return mi_lttng_loglevel_str_info; | |
138 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
139 | return mi_lttng_loglevel_str_debug_system; | |
140 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
141 | return mi_lttng_loglevel_str_debug_program; | |
142 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
143 | return mi_lttng_loglevel_str_debug_process; | |
144 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
145 | return mi_lttng_loglevel_str_debug_module; | |
146 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
147 | return mi_lttng_loglevel_str_debug_unit; | |
148 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
149 | return mi_lttng_loglevel_str_debug_function; | |
150 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
151 | return mi_lttng_loglevel_str_debug_line; | |
152 | case LTTNG_LOGLEVEL_DEBUG: | |
153 | return mi_lttng_loglevel_str_debug; | |
154 | default: | |
155 | return mi_lttng_loglevel_str_unknown; | |
156 | } | |
157 | } | |
158 | ||
159 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
160 | { | |
161 | switch (value) { | |
162 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
163 | return mi_lttng_loglevel_type_all; | |
164 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
165 | return mi_lttng_loglevel_type_range; | |
166 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
167 | return mi_lttng_loglevel_type_single; | |
168 | default: | |
169 | return mi_lttng_loglevel_type_unknown; | |
170 | } | |
171 | } | |
172 | ||
173 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
174 | { | |
175 | switch (value) { | |
176 | case LTTNG_EVENT_ALL: | |
177 | return config_event_type_all; | |
178 | case LTTNG_EVENT_TRACEPOINT: | |
179 | return config_event_type_tracepoint; | |
180 | case LTTNG_EVENT_PROBE: | |
181 | return config_event_type_probe; | |
182 | case LTTNG_EVENT_FUNCTION: | |
183 | return config_event_type_function; | |
184 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
185 | return config_event_type_function_entry; | |
186 | case LTTNG_EVENT_SYSCALL: | |
187 | return config_event_type_syscall; | |
188 | case LTTNG_EVENT_NOOP: | |
189 | return config_event_type_noop; | |
190 | default: | |
191 | return mi_lttng_element_empty; | |
192 | } | |
193 | } | |
194 | ||
89b72577 JRJ |
195 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
196 | { | |
197 | switch (val) { | |
198 | case LTTNG_EVENT_CONTEXT_PID: | |
199 | return config_event_context_pid; | |
200 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
201 | return mi_lttng_context_type_perf_counter; | |
202 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
203 | return mi_lttng_context_type_perf_thread_counter; | |
204 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
205 | return mi_lttng_context_type_perf_cpu_counter; | |
206 | case LTTNG_EVENT_CONTEXT_PROCNAME: | |
207 | return config_event_context_procname; | |
208 | case LTTNG_EVENT_CONTEXT_PRIO: | |
209 | return config_event_context_prio; | |
210 | case LTTNG_EVENT_CONTEXT_NICE: | |
211 | return config_event_context_nice; | |
212 | case LTTNG_EVENT_CONTEXT_VPID: | |
213 | return config_event_context_vpid; | |
214 | case LTTNG_EVENT_CONTEXT_TID: | |
215 | return config_event_context_tid; | |
216 | case LTTNG_EVENT_CONTEXT_VTID: | |
217 | return config_event_context_vtid; | |
218 | case LTTNG_EVENT_CONTEXT_PPID: | |
219 | return config_event_context_ppid; | |
220 | case LTTNG_EVENT_CONTEXT_VPPID: | |
221 | return config_event_context_vppid; | |
222 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
223 | return config_event_context_pthread_id; | |
224 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
225 | return config_event_context_hostname; | |
226 | case LTTNG_EVENT_CONTEXT_IP: | |
227 | return config_event_context_ip; | |
228 | default: | |
229 | return NULL; | |
230 | } | |
231 | } | |
232 | ||
5e18ec73 JR |
233 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
234 | { | |
235 | switch (val) { | |
236 | case(LTTNG_EVENT_FIELD_INTEGER): | |
237 | return mi_lttng_element_type_integer; | |
238 | case(LTTNG_EVENT_FIELD_ENUM): | |
239 | return mi_lttng_element_type_enum; | |
240 | case(LTTNG_EVENT_FIELD_FLOAT): | |
241 | return mi_lttng_element_type_float; | |
242 | case(LTTNG_EVENT_FIELD_STRING): | |
243 | return mi_lttng_element_type_string; | |
244 | default: | |
245 | return mi_lttng_element_type_other; | |
246 | } | |
247 | } | |
248 | ||
249 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
250 | { | |
251 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
252 | switch (value) { | |
253 | case LTTNG_DOMAIN_KERNEL: | |
254 | return config_domain_type_kernel; | |
255 | case LTTNG_DOMAIN_UST: | |
256 | return config_domain_type_ust; | |
257 | case LTTNG_DOMAIN_JUL: | |
258 | return config_domain_type_jul; | |
259 | default: | |
260 | /* Should not have an unknown domain */ | |
261 | assert(0); | |
262 | } | |
263 | } | |
264 | ||
265 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
266 | { | |
267 | switch (value) { | |
268 | case LTTNG_BUFFER_PER_PID: | |
269 | return config_buffer_type_per_pid; | |
270 | case LTTNG_BUFFER_PER_UID: | |
271 | return config_buffer_type_per_uid; | |
272 | case LTTNG_BUFFER_GLOBAL: | |
273 | return config_buffer_type_global; | |
274 | default: | |
275 | /* Should not have an unknow buffer type */ | |
276 | assert(0); | |
277 | } | |
278 | } | |
279 | ||
7e66b1b0 JRJ |
280 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
281 | { | |
282 | const char *ret; | |
283 | ||
284 | switch (val) { | |
285 | case LTTNG_CALIBRATE_FUNCTION: | |
286 | ret = mi_lttng_element_calibrate_function; | |
287 | break; | |
288 | default: | |
289 | ret = mi_lttng_element_empty; | |
290 | break; | |
291 | } | |
292 | return ret; | |
293 | } | |
294 | ||
c7e35b03 JR |
295 | LTTNG_HIDDEN |
296 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
297 | { | |
298 | struct mi_writer *mi_writer; | |
299 | ||
300 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
301 | if (!mi_writer) { | |
302 | PERROR("zmalloc mi_writer_create"); | |
303 | goto end; | |
304 | } | |
305 | if (mi_output_type == LTTNG_MI_XML) { | |
306 | mi_writer->writer = config_writer_create(fd_output); | |
307 | if (!mi_writer->writer) { | |
308 | goto err_destroy; | |
309 | } | |
310 | mi_writer->type = LTTNG_MI_XML; | |
311 | } else { | |
312 | goto err_destroy; | |
313 | } | |
314 | ||
315 | end: | |
316 | return mi_writer; | |
317 | ||
318 | err_destroy: | |
319 | free(mi_writer); | |
320 | return NULL; | |
321 | } | |
322 | ||
323 | LTTNG_HIDDEN | |
324 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
325 | { | |
326 | int ret; | |
327 | ||
328 | if (!writer) { | |
329 | ret = -EINVAL; | |
330 | goto end; | |
331 | } | |
332 | ||
333 | ret = config_writer_destroy(writer->writer); | |
334 | if (ret < 0) { | |
335 | goto end; | |
336 | } | |
337 | ||
338 | free(writer); | |
339 | end: | |
340 | return ret; | |
341 | } | |
342 | ||
343 | LTTNG_HIDDEN | |
344 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
345 | { | |
346 | int ret; | |
347 | ||
348 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
349 | if (ret) { | |
350 | goto end; | |
351 | } | |
352 | ret = mi_lttng_writer_write_element_string(writer, | |
353 | mi_lttng_element_command_name, command); | |
354 | end: | |
355 | return ret; | |
356 | } | |
357 | ||
358 | LTTNG_HIDDEN | |
359 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
360 | { | |
361 | return mi_lttng_writer_close_element(writer); | |
362 | } | |
363 | ||
364 | LTTNG_HIDDEN | |
365 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
366 | const char *element_name) | |
367 | { | |
368 | return config_writer_open_element(writer->writer, element_name); | |
369 | } | |
370 | ||
371 | LTTNG_HIDDEN | |
372 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
373 | { | |
374 | return config_writer_close_element(writer->writer); | |
375 | } | |
376 | ||
5e18ec73 JR |
377 | LTTNG_HIDDEN |
378 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
379 | unsigned int nb_element) | |
380 | { | |
381 | int ret, i; | |
382 | ||
383 | if (nb_element < 1) { | |
384 | ret = 0; | |
385 | goto end; | |
386 | } | |
387 | for (i = 0; i < nb_element; i++) { | |
388 | ret = mi_lttng_writer_close_element(writer); | |
389 | if (ret) { | |
390 | goto end; | |
391 | } | |
392 | } | |
393 | end: | |
394 | return ret; | |
395 | } | |
396 | ||
c7e35b03 JR |
397 | LTTNG_HIDDEN |
398 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
399 | const char *element_name, uint64_t value) | |
400 | { | |
401 | return config_writer_write_element_unsigned_int(writer->writer, | |
402 | element_name, value); | |
403 | } | |
404 | ||
405 | LTTNG_HIDDEN | |
406 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
407 | const char *element_name, int64_t value) | |
408 | { | |
409 | return config_writer_write_element_signed_int(writer->writer, | |
410 | element_name, value); | |
411 | } | |
412 | ||
413 | LTTNG_HIDDEN | |
414 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
415 | const char *element_name, int value) | |
416 | { | |
417 | return config_writer_write_element_bool(writer->writer, | |
418 | element_name, value); | |
419 | } | |
420 | ||
421 | LTTNG_HIDDEN | |
422 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
423 | const char *element_name, const char *value) | |
424 | { | |
425 | return config_writer_write_element_string(writer->writer, | |
426 | element_name, value); | |
427 | } | |
428 | ||
429 | LTTNG_HIDDEN | |
430 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
431 | const char *lttng_description, const char *lttng_license) | |
432 | { | |
433 | int ret; | |
434 | ||
435 | /* Open version */ | |
436 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
437 | if (ret) { | |
438 | goto end; | |
439 | } | |
440 | ||
441 | /* Version string (contain info like rc etc.) */ | |
442 | ret = mi_lttng_writer_write_element_string(writer, | |
443 | mi_lttng_element_version_str, VERSION); | |
444 | if (ret) { | |
445 | goto end; | |
446 | } | |
447 | ||
448 | /* Major version number */ | |
449 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
450 | mi_lttng_element_version_major, version->version_major); | |
451 | if (ret) { | |
452 | goto end; | |
453 | } | |
454 | ||
455 | /* Minor version number */ | |
456 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
457 | mi_lttng_element_version_minor, version->version_minor); | |
458 | if (ret) { | |
459 | goto end; | |
460 | } | |
461 | ||
314d5222 JRJ |
462 | /* Commit version number */ |
463 | ret = mi_lttng_writer_write_element_string(writer, | |
464 | mi_lttng_element_version_commit, version->version_commit); | |
465 | if (ret) { | |
466 | goto end; | |
467 | } | |
468 | ||
c7e35b03 JR |
469 | /* Patch number */ |
470 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
471 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
472 | if (ret) { | |
473 | goto end; | |
474 | } | |
475 | ||
476 | /* Name of the version */ | |
477 | ret = mi_lttng_writer_write_element_string(writer, | |
478 | config_element_name, version->version_name); | |
479 | if (ret) { | |
480 | goto end; | |
481 | } | |
482 | ||
483 | /* Description mostly related to beer... */ | |
484 | ret = mi_lttng_writer_write_element_string(writer, | |
485 | mi_lttng_element_version_description, lttng_description); | |
486 | if (ret) { | |
487 | goto end; | |
488 | } | |
489 | ||
490 | /* url */ | |
491 | ret = mi_lttng_writer_write_element_string(writer, | |
492 | mi_lttng_element_version_web, version->package_url); | |
493 | if (ret) { | |
494 | goto end; | |
495 | } | |
496 | ||
497 | /* License: free as in free beer...no...*speech* */ | |
498 | ret = mi_lttng_writer_write_element_string(writer, | |
499 | mi_lttng_element_version_license, lttng_license); | |
500 | if (ret) { | |
501 | goto end; | |
502 | } | |
503 | ||
504 | /* Close version element */ | |
505 | ret = mi_lttng_writer_close_element(writer); | |
506 | ||
507 | end: | |
508 | return ret; | |
509 | } | |
510 | ||
5e18ec73 JR |
511 | LTTNG_HIDDEN |
512 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
513 | { | |
514 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
515 | } | |
516 | ||
c7e35b03 JR |
517 | LTTNG_HIDDEN |
518 | int mi_lttng_session(struct mi_writer *writer, | |
519 | struct lttng_session *session, int is_open) | |
520 | { | |
521 | int ret; | |
522 | ||
5e18ec73 JR |
523 | assert(session); |
524 | ||
525 | /* Open sessions element */ | |
c7e35b03 JR |
526 | ret = mi_lttng_writer_open_element(writer, |
527 | config_element_session); | |
528 | if (ret) { | |
529 | goto end; | |
530 | } | |
531 | ||
532 | /* Name of the session */ | |
533 | ret = mi_lttng_writer_write_element_string(writer, | |
534 | config_element_name, session->name); | |
535 | if (ret) { | |
536 | goto end; | |
537 | } | |
538 | ||
5e18ec73 | 539 | /* Path */ |
c7e35b03 JR |
540 | ret = mi_lttng_writer_write_element_string(writer, |
541 | config_element_path, session->path); | |
542 | if (ret) { | |
543 | goto end; | |
544 | } | |
545 | ||
5e18ec73 JR |
546 | /* Enabled ? */ |
547 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
548 | config_element_enabled, session->enabled); |
549 | if (ret) { | |
550 | goto end; | |
551 | } | |
552 | ||
5e18ec73 | 553 | /* Snapshot mode */ |
c7e35b03 JR |
554 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
555 | config_element_snapshot_mode, session->snapshot_mode); | |
556 | if (ret) { | |
557 | goto end; | |
558 | } | |
559 | ||
5e18ec73 | 560 | /* Live timer interval in usec */ |
c7e35b03 JR |
561 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
562 | config_element_live_timer_interval, | |
563 | session->live_timer_interval); | |
564 | if (ret) { | |
565 | goto end; | |
566 | } | |
567 | ||
568 | if (!is_open) { | |
569 | /* Closing session element */ | |
570 | ret = mi_lttng_writer_close_element(writer); | |
571 | } | |
572 | end: | |
573 | return ret; | |
574 | ||
575 | } | |
5e18ec73 JR |
576 | |
577 | LTTNG_HIDDEN | |
578 | int mi_lttng_domains_open(struct mi_writer *writer) | |
579 | { | |
580 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
581 | } | |
582 | ||
583 | LTTNG_HIDDEN | |
584 | int mi_lttng_domain(struct mi_writer *writer, | |
585 | struct lttng_domain *domain, int is_open) | |
586 | { | |
587 | int ret = 0; | |
588 | const char *str_domain; | |
589 | const char *str_buffer; | |
590 | ||
591 | assert(domain); | |
592 | ||
593 | /* Open domain element */ | |
594 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
595 | if (ret) { | |
596 | goto end; | |
597 | } | |
598 | ||
599 | /* Domain Type */ | |
600 | str_domain = mi_lttng_domaintype_string(domain->type); | |
601 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
602 | str_domain); | |
603 | if (ret) { | |
604 | goto end; | |
605 | } | |
606 | ||
607 | /* Buffer Type */ | |
608 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
609 | ret = mi_lttng_writer_write_element_string(writer, | |
610 | config_element_buffer_type, str_buffer); | |
611 | if (ret) { | |
612 | goto end; | |
613 | } | |
614 | ||
615 | /* TODO: attr... not sure how to use the union.... */ | |
616 | ||
617 | if (!is_open) { | |
618 | /* Closing domain element */ | |
619 | ret = mi_lttng_writer_close_element(writer); | |
620 | } | |
621 | ||
622 | end: | |
623 | return ret; | |
624 | ||
625 | } | |
626 | ||
627 | LTTNG_HIDDEN | |
628 | int mi_lttng_channels_open(struct mi_writer *writer) | |
629 | { | |
630 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
631 | } | |
632 | ||
633 | LTTNG_HIDDEN | |
634 | int mi_lttng_channel(struct mi_writer *writer, | |
635 | struct lttng_channel *channel, int is_open) | |
636 | { | |
637 | int ret = 0; | |
638 | ||
639 | assert(channel); | |
640 | ||
641 | /* Opening channel element */ | |
642 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
643 | if (ret) { | |
644 | goto end; | |
645 | } | |
646 | ||
647 | /* Name */ | |
648 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
649 | channel->name); | |
650 | if (ret) { | |
651 | goto end; | |
652 | } | |
653 | ||
654 | /* Enabled ? */ | |
655 | ret = mi_lttng_writer_write_element_bool(writer, | |
656 | config_element_enabled, channel->enabled); | |
657 | if (ret) { | |
658 | goto end; | |
659 | } | |
660 | ||
661 | /* Attribute */ | |
662 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
663 | if (ret) { | |
664 | goto end; | |
665 | } | |
666 | ||
667 | if (!is_open) { | |
668 | /* Closing channel element */ | |
669 | ret = mi_lttng_writer_close_element(writer); | |
670 | if (ret) { | |
671 | goto end; | |
672 | } | |
673 | } | |
674 | end: | |
675 | return ret; | |
676 | } | |
677 | ||
678 | LTTNG_HIDDEN | |
679 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
680 | struct lttng_channel_attr *attr) | |
681 | { | |
682 | int ret = 0; | |
683 | ||
684 | assert(attr); | |
685 | ||
686 | /* Opening Attributes */ | |
687 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
688 | if (ret) { | |
689 | goto end; | |
690 | } | |
691 | ||
692 | /* Overwrite */ | |
693 | ret = mi_lttng_writer_write_element_string(writer, | |
694 | config_element_overwrite_mode, | |
695 | attr->overwrite ? config_overwrite_mode_overwrite : | |
696 | config_overwrite_mode_discard); | |
697 | if (ret) { | |
698 | goto end; | |
699 | } | |
700 | ||
701 | /* Sub buffer size in byte */ | |
702 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
703 | config_element_subbuf_size, attr->subbuf_size); | |
704 | if (ret) { | |
705 | goto end; | |
706 | } | |
707 | ||
708 | /* Number of subbuffer (power of two) */ | |
709 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
710 | config_element_num_subbuf, | |
711 | attr->num_subbuf); | |
712 | if (ret) { | |
713 | goto end; | |
714 | } | |
715 | ||
716 | /* Switch timer interval in usec */ | |
717 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
718 | config_element_switch_timer_interval, | |
719 | attr->switch_timer_interval); | |
720 | if (ret) { | |
721 | goto end; | |
722 | } | |
723 | ||
724 | /* Read timer interval in usec */ | |
725 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
726 | config_element_read_timer_interval, | |
727 | attr->read_timer_interval); | |
728 | if (ret) { | |
729 | goto end; | |
730 | } | |
731 | ||
732 | /* Event output */ | |
733 | ret = mi_lttng_writer_write_element_string(writer, | |
734 | config_element_output_type, | |
735 | attr->output == LTTNG_EVENT_SPLICE ? | |
736 | config_output_type_splice : config_output_type_mmap); | |
737 | if (ret) { | |
738 | goto end; | |
739 | } | |
740 | ||
741 | /* Tracefile size in bytes */ | |
742 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
743 | config_element_tracefile_size, attr->tracefile_size); | |
744 | if (ret) { | |
745 | goto end; | |
746 | } | |
747 | ||
748 | /* Count of tracefiles */ | |
749 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
750 | config_element_tracefile_count, | |
751 | attr->tracefile_count); | |
752 | if (ret) { | |
753 | goto end; | |
754 | } | |
755 | ||
756 | /* Live timer interval in usec*/ | |
757 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
758 | config_element_live_timer_interval, | |
759 | attr->live_timer_interval); | |
760 | if (ret) { | |
761 | goto end; | |
762 | } | |
763 | ||
764 | /* Closing attributes */ | |
765 | ret = mi_lttng_writer_close_element(writer); | |
766 | if (ret) { | |
767 | goto end; | |
768 | } | |
769 | end: | |
770 | return ret; | |
771 | ||
772 | } | |
773 | ||
774 | LTTNG_HIDDEN | |
775 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
776 | struct lttng_event *event) | |
777 | { | |
778 | int ret; | |
779 | ||
780 | /* Open event element */ | |
781 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
782 | if (ret) { | |
783 | goto end; | |
784 | } | |
785 | ||
786 | /* event name */ | |
787 | ret = mi_lttng_writer_write_element_string(writer, | |
788 | config_element_name, event->name); | |
789 | if (ret) { | |
790 | goto end; | |
791 | } | |
792 | ||
793 | /* event type */ | |
794 | ret = mi_lttng_writer_write_element_string(writer, | |
795 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
796 | if (ret) { | |
797 | goto end; | |
798 | } | |
799 | ||
800 | /* is event enabled */ | |
801 | ret = mi_lttng_writer_write_element_bool(writer, | |
802 | config_element_enabled, event->enabled); | |
803 | if (ret) { | |
804 | goto end; | |
805 | } | |
806 | ||
807 | /* event filter enabled? */ | |
808 | ret = mi_lttng_writer_write_element_bool(writer, | |
809 | config_element_filter, event->filter); | |
810 | ||
811 | end: | |
812 | return ret; | |
813 | } | |
814 | ||
815 | LTTNG_HIDDEN | |
816 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
817 | struct lttng_event *event) | |
818 | { | |
819 | int ret; | |
820 | ||
821 | /* event loglevel */ | |
822 | ret = mi_lttng_writer_write_element_string(writer, | |
823 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
824 | if (ret) { | |
825 | goto end; | |
826 | } | |
827 | ||
828 | ret = mi_lttng_writer_write_element_string(writer, | |
829 | config_element_loglevel_type, | |
830 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
831 | if (ret) { | |
832 | goto end; | |
833 | } | |
834 | ||
835 | /* event exclusion filter */ | |
836 | ret = mi_lttng_writer_write_element_bool(writer, | |
837 | config_element_exclusion, event->exclusion); | |
838 | if (ret) { | |
839 | goto end; | |
840 | } | |
841 | ||
842 | end: | |
843 | return ret; | |
844 | } | |
845 | ||
846 | LTTNG_HIDDEN | |
847 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
848 | struct lttng_event *event) | |
849 | { | |
850 | /* event exclusion filter */ | |
851 | return mi_lttng_writer_write_element_bool(writer, | |
852 | config_element_exclusion, event->exclusion); | |
853 | } | |
854 | ||
855 | LTTNG_HIDDEN | |
856 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
857 | struct lttng_event *event) | |
858 | { | |
859 | int ret; | |
860 | ||
861 | if (event->attr.probe.addr != 0) { | |
862 | /* event probe address */ | |
863 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
864 | config_element_address, event->attr.probe.addr); | |
865 | if (ret) { | |
866 | goto end; | |
867 | } | |
868 | } else { | |
869 | /* event probe offset */ | |
870 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
871 | config_element_offset, event->attr.probe.offset); | |
872 | if (ret) { | |
873 | goto end; | |
874 | } | |
875 | ||
876 | /* event probe symbol_name */ | |
877 | ret = mi_lttng_writer_write_element_string(writer, | |
878 | config_element_symbol_name, event->attr.probe.symbol_name); | |
879 | if (ret) { | |
880 | goto end; | |
881 | } | |
882 | } | |
883 | end: | |
884 | return ret; | |
885 | } | |
886 | ||
887 | LTTNG_HIDDEN | |
888 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
889 | struct lttng_event *event) | |
890 | { | |
891 | /* event probe symbol_name */ | |
892 | return mi_lttng_writer_write_element_string(writer, | |
893 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
894 | } | |
895 | ||
896 | LTTNG_HIDDEN | |
897 | int mi_lttng_events_open(struct mi_writer *writer) | |
898 | { | |
899 | return mi_lttng_writer_open_element(writer, config_element_events); | |
900 | } | |
901 | ||
902 | LTTNG_HIDDEN | |
903 | int mi_lttng_event(struct mi_writer *writer, | |
904 | struct lttng_event *event, int is_open) | |
905 | { | |
906 | int ret; | |
907 | ||
908 | ret = mi_lttng_event_common_attributes(writer, event); | |
909 | if (ret) { | |
910 | goto end; | |
911 | } | |
912 | ||
913 | switch (event->type) { | |
5e18ec73 JR |
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 | } |