Commit | Line | Data |
---|---|---|
f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
f3ed775e DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
f3ed775e DG |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
9f19cc17 | 19 | #include <inttypes.h> |
f3ed775e DG |
20 | #include <popt.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
7a3d1328 | 24 | #include <assert.h> |
f3ed775e | 25 | |
c399183f | 26 | #include "../command.h" |
f3ed775e | 27 | |
9f19cc17 DG |
28 | static int opt_userspace; |
29 | static int opt_kernel; | |
3c6a091f | 30 | static int opt_jul; |
9f19cc17 DG |
31 | static char *opt_channel; |
32 | static int opt_domain; | |
f37d259d | 33 | static int opt_fields; |
d78d6610 DG |
34 | #if 0 |
35 | /* Not implemented yet */ | |
36 | static char *opt_cmd_name; | |
37 | static pid_t opt_pid; | |
38 | #endif | |
9f19cc17 DG |
39 | |
40 | const char *indent4 = " "; | |
41 | const char *indent6 = " "; | |
42 | const char *indent8 = " "; | |
f3ed775e DG |
43 | |
44 | enum { | |
45 | OPT_HELP = 1, | |
eeac7d46 | 46 | OPT_USERSPACE, |
679b4943 | 47 | OPT_LIST_OPTIONS, |
f3ed775e DG |
48 | }; |
49 | ||
cd80958d DG |
50 | static struct lttng_handle *handle; |
51 | ||
f3ed775e DG |
52 | static struct poptOption long_options[] = { |
53 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
54 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
9f19cc17 | 55 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
3c6a091f | 56 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, |
d78d6610 DG |
57 | #if 0 |
58 | /* Not implemented yet */ | |
59 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, | |
60 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, | |
61 | #else | |
62 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
63 | #endif | |
9f19cc17 DG |
64 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
65 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
f37d259d | 66 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, |
679b4943 | 67 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
68 | {0, 0, 0, 0, 0, 0, 0} |
69 | }; | |
70 | ||
71 | /* | |
72 | * usage | |
73 | */ | |
74 | static void usage(FILE *ofp) | |
75 | { | |
747361fe | 76 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n"); |
9f19cc17 DG |
77 | fprintf(ofp, "\n"); |
78 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
79 | fprintf(ofp, "\n"); | |
27221701 DG |
80 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
81 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
82 | fprintf(ofp, "\n"); |
83 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 84 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
85 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
86 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
3c6a091f | 87 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
f37d259d | 88 | fprintf(ofp, " -f, --fields List event fields.\n"); |
d78d6610 | 89 | #if 0 |
9f19cc17 | 90 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 91 | #endif |
f3ed775e | 92 | fprintf(ofp, "\n"); |
27221701 | 93 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
94 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
95 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
96 | fprintf(ofp, "\n"); |
97 | } | |
98 | ||
99 | /* | |
9f19cc17 | 100 | * Get command line from /proc for a specific pid. |
f3ed775e | 101 | * |
9f19cc17 DG |
102 | * On success, return an allocated string pointer to the proc cmdline. |
103 | * On error, return NULL. | |
f3ed775e DG |
104 | */ |
105 | static char *get_cmdline_by_pid(pid_t pid) | |
106 | { | |
107 | int ret; | |
108 | FILE *fp; | |
109 | char *cmdline = NULL; | |
110 | char path[24]; /* Can't go bigger than /proc/65535/cmdline */ | |
111 | ||
112 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
113 | fp = fopen(path, "r"); | |
114 | if (fp == NULL) { | |
115 | goto end; | |
116 | } | |
117 | ||
118 | /* Caller must free() *cmdline */ | |
119 | cmdline = malloc(PATH_MAX); | |
120 | ret = fread(cmdline, 1, PATH_MAX, fp); | |
f40799e8 DG |
121 | if (ret < 0) { |
122 | perror("fread proc list"); | |
123 | } | |
f3ed775e DG |
124 | fclose(fp); |
125 | ||
126 | end: | |
127 | return cmdline; | |
128 | } | |
b551a063 | 129 | |
464dd62d MD |
130 | static |
131 | const char *active_string(int value) | |
132 | { | |
133 | switch (value) { | |
2cbf8fed DG |
134 | case 0: return "inactive"; |
135 | case 1: return "active"; | |
464dd62d MD |
136 | case -1: return ""; |
137 | default: return NULL; | |
138 | } | |
139 | } | |
140 | ||
2cbf8fed DG |
141 | static const char *snapshot_string(int value) |
142 | { | |
143 | switch (value) { | |
144 | case 1: | |
145 | return " snapshot"; | |
146 | default: | |
147 | return ""; | |
148 | } | |
149 | } | |
150 | ||
464dd62d MD |
151 | static |
152 | const char *enabled_string(int value) | |
153 | { | |
154 | switch (value) { | |
b09f0429 MD |
155 | case 0: return " [disabled]"; |
156 | case 1: return " [enabled]"; | |
464dd62d MD |
157 | case -1: return ""; |
158 | default: return NULL; | |
159 | } | |
160 | } | |
161 | ||
fceb65df MD |
162 | static |
163 | const char *filter_string(int value) | |
164 | { | |
165 | switch (value) { | |
166 | case 1: return " [with filter]"; | |
167 | default: return ""; | |
168 | } | |
169 | } | |
170 | ||
4634f12e JI |
171 | static |
172 | const char *exclusion_string(int value) | |
173 | { | |
174 | switch (value) { | |
175 | case 1: return " [has exclusions]"; | |
176 | default: return ""; | |
177 | } | |
178 | } | |
179 | ||
8005f29a MD |
180 | static const char *loglevel_string(int value) |
181 | { | |
182 | switch (value) { | |
255a5dab MD |
183 | case -1: |
184 | return ""; | |
185 | case LTTNG_LOGLEVEL_EMERG: | |
186 | return "TRACE_EMERG"; | |
187 | case LTTNG_LOGLEVEL_ALERT: | |
188 | return "TRACE_ALERT"; | |
189 | case LTTNG_LOGLEVEL_CRIT: | |
190 | return "TRACE_CRIT"; | |
191 | case LTTNG_LOGLEVEL_ERR: | |
192 | return "TRACE_ERR"; | |
193 | case LTTNG_LOGLEVEL_WARNING: | |
194 | return "TRACE_WARNING"; | |
195 | case LTTNG_LOGLEVEL_NOTICE: | |
196 | return "TRACE_NOTICE"; | |
197 | case LTTNG_LOGLEVEL_INFO: | |
198 | return "TRACE_INFO"; | |
199 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
200 | return "TRACE_DEBUG_SYSTEM"; | |
201 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
202 | return "TRACE_DEBUG_PROGRAM"; | |
203 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
204 | return "TRACE_DEBUG_PROCESS"; | |
205 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
206 | return "TRACE_DEBUG_MODULE"; | |
207 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
208 | return "TRACE_DEBUG_UNIT"; | |
209 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
210 | return "TRACE_DEBUG_FUNCTION"; | |
211 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
212 | return "TRACE_DEBUG_LINE"; | |
213 | case LTTNG_LOGLEVEL_DEBUG: | |
214 | return "TRACE_DEBUG"; | |
215 | default: | |
216 | return "<<UNKNOWN>>"; | |
8005f29a MD |
217 | } |
218 | } | |
219 | ||
1f0e17de DG |
220 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
221 | { | |
222 | switch (value) { | |
223 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
224 | return "<="; | |
225 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
226 | return "=="; | |
227 | default: | |
228 | return "<<TYPE UNKN>>"; | |
229 | } | |
230 | } | |
231 | ||
b551a063 DG |
232 | /* |
233 | * Pretty print single event. | |
234 | */ | |
235 | static void print_events(struct lttng_event *event) | |
236 | { | |
237 | switch (event->type) { | |
238 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 239 | { |
8b703175 | 240 | if (event->loglevel != -1) { |
1f0e17de | 241 | MSG("%s%s (loglevel %s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 242 | indent6, |
81afa345 | 243 | event->name, |
1f0e17de | 244 | logleveltype_string(event->loglevel_type), |
8005f29a | 245 | loglevel_string(event->loglevel), |
8b703175 | 246 | event->loglevel, |
fceb65df | 247 | enabled_string(event->enabled), |
4634f12e | 248 | exclusion_string(event->exclusion), |
fceb65df | 249 | filter_string(event->filter)); |
8b703175 | 250 | } else { |
4634f12e | 251 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
252 | indent6, |
253 | event->name, | |
fceb65df | 254 | enabled_string(event->enabled), |
4634f12e | 255 | exclusion_string(event->exclusion), |
fceb65df | 256 | filter_string(event->filter)); |
8b703175 | 257 | } |
b551a063 | 258 | break; |
e4baff1e | 259 | } |
1896972b DG |
260 | case LTTNG_EVENT_FUNCTION: |
261 | MSG("%s%s (type: function)%s%s", indent6, | |
262 | event->name, enabled_string(event->enabled), | |
263 | filter_string(event->filter)); | |
264 | if (event->attr.probe.addr != 0) { | |
265 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
266 | } else { | |
267 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
268 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
269 | } | |
270 | break; | |
b551a063 | 271 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
272 | MSG("%s%s (type: probe)%s%s", indent6, |
273 | event->name, enabled_string(event->enabled), | |
274 | filter_string(event->filter)); | |
b551a063 DG |
275 | if (event->attr.probe.addr != 0) { |
276 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
277 | } else { | |
278 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
279 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
280 | } | |
281 | break; | |
b551a063 | 282 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
283 | MSG("%s%s (type: function)%s%s", indent6, |
284 | event->name, enabled_string(event->enabled), | |
285 | filter_string(event->filter)); | |
b551a063 DG |
286 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
287 | break; | |
288 | case LTTNG_EVENT_SYSCALL: | |
fceb65df MD |
289 | MSG("%ssyscalls (type: syscall)%s%s", indent6, |
290 | enabled_string(event->enabled), | |
291 | filter_string(event->filter)); | |
b551a063 DG |
292 | break; |
293 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
294 | MSG("%s (type: noop)%s%s", indent6, |
295 | enabled_string(event->enabled), | |
296 | filter_string(event->filter)); | |
b551a063 DG |
297 | break; |
298 | case LTTNG_EVENT_ALL: | |
299 | /* We should never have "all" events in list. */ | |
300 | assert(0); | |
301 | break; | |
302 | } | |
303 | } | |
304 | ||
f37d259d MD |
305 | static const char *field_type(struct lttng_event_field *field) |
306 | { | |
307 | switch(field->type) { | |
308 | case LTTNG_EVENT_FIELD_INTEGER: | |
309 | return "integer"; | |
310 | case LTTNG_EVENT_FIELD_ENUM: | |
311 | return "enum"; | |
312 | case LTTNG_EVENT_FIELD_FLOAT: | |
313 | return "float"; | |
314 | case LTTNG_EVENT_FIELD_STRING: | |
315 | return "string"; | |
316 | case LTTNG_EVENT_FIELD_OTHER: | |
317 | default: /* fall-through */ | |
318 | return "unknown"; | |
319 | } | |
320 | } | |
321 | ||
322 | /* | |
323 | * Pretty print single event fields. | |
324 | */ | |
325 | static void print_event_field(struct lttng_event_field *field) | |
326 | { | |
327 | if (!field->field_name[0]) { | |
328 | return; | |
329 | } | |
d8fbe2a9 | 330 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 331 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
332 | } |
333 | ||
3c6a091f DG |
334 | static int list_jul_events(void) |
335 | { | |
336 | int i, size; | |
337 | struct lttng_domain domain; | |
338 | struct lttng_handle *handle; | |
339 | struct lttng_event *event_list; | |
340 | pid_t cur_pid = 0; | |
341 | char *cmdline = NULL; | |
342 | ||
343 | DBG("Getting JUL tracing events"); | |
344 | ||
345 | memset(&domain, 0, sizeof(domain)); | |
346 | domain.type = LTTNG_DOMAIN_JUL; | |
347 | ||
348 | handle = lttng_create_handle(NULL, &domain); | |
349 | if (handle == NULL) { | |
350 | goto error; | |
351 | } | |
352 | ||
353 | size = lttng_list_tracepoints(handle, &event_list); | |
354 | if (size < 0) { | |
355 | ERR("Unable to list JUL events: %s", lttng_strerror(size)); | |
356 | lttng_destroy_handle(handle); | |
357 | return size; | |
358 | } | |
359 | ||
360 | MSG("JUL events (Logger name):\n-------------------------"); | |
361 | ||
362 | if (size == 0) { | |
363 | MSG("None"); | |
364 | } | |
365 | ||
366 | for (i = 0; i < size; i++) { | |
367 | if (cur_pid != event_list[i].pid) { | |
368 | cur_pid = event_list[i].pid; | |
369 | cmdline = get_cmdline_by_pid(cur_pid); | |
370 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
371 | free(cmdline); | |
372 | } | |
373 | MSG("%s- %s", indent6, event_list[i].name); | |
374 | } | |
375 | ||
376 | MSG(""); | |
377 | ||
378 | free(event_list); | |
379 | lttng_destroy_handle(handle); | |
380 | ||
381 | return CMD_SUCCESS; | |
382 | ||
383 | error: | |
384 | lttng_destroy_handle(handle); | |
385 | return -1; | |
386 | } | |
387 | ||
b551a063 DG |
388 | /* |
389 | * Ask session daemon for all user space tracepoints available. | |
390 | */ | |
391 | static int list_ust_events(void) | |
392 | { | |
393 | int i, size; | |
394 | struct lttng_domain domain; | |
395 | struct lttng_handle *handle; | |
396 | struct lttng_event *event_list; | |
397 | pid_t cur_pid = 0; | |
ea5cbc00 | 398 | char *cmdline = NULL; |
b551a063 | 399 | |
441c16a7 MD |
400 | memset(&domain, 0, sizeof(domain)); |
401 | ||
b551a063 DG |
402 | DBG("Getting UST tracing events"); |
403 | ||
404 | domain.type = LTTNG_DOMAIN_UST; | |
405 | ||
406 | handle = lttng_create_handle(NULL, &domain); | |
407 | if (handle == NULL) { | |
408 | goto error; | |
409 | } | |
410 | ||
411 | size = lttng_list_tracepoints(handle, &event_list); | |
412 | if (size < 0) { | |
60e835ca | 413 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
ef021732 | 414 | lttng_destroy_handle(handle); |
b551a063 DG |
415 | return size; |
416 | } | |
417 | ||
418 | MSG("UST events:\n-------------"); | |
419 | ||
420 | if (size == 0) { | |
421 | MSG("None"); | |
422 | } | |
423 | ||
424 | for (i = 0; i < size; i++) { | |
425 | if (cur_pid != event_list[i].pid) { | |
426 | cur_pid = event_list[i].pid; | |
ea5cbc00 CB |
427 | cmdline = get_cmdline_by_pid(cur_pid); |
428 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
429 | free(cmdline); | |
b551a063 DG |
430 | } |
431 | print_events(&event_list[i]); | |
432 | } | |
433 | ||
434 | MSG(""); | |
435 | ||
436 | free(event_list); | |
ef021732 | 437 | lttng_destroy_handle(handle); |
b551a063 DG |
438 | |
439 | return CMD_SUCCESS; | |
440 | ||
441 | error: | |
ef021732 | 442 | lttng_destroy_handle(handle); |
b551a063 DG |
443 | return -1; |
444 | } | |
f3ed775e | 445 | |
f37d259d MD |
446 | /* |
447 | * Ask session daemon for all user space tracepoint fields available. | |
448 | */ | |
449 | static int list_ust_event_fields(void) | |
450 | { | |
451 | int i, size; | |
452 | struct lttng_domain domain; | |
453 | struct lttng_handle *handle; | |
454 | struct lttng_event_field *event_field_list; | |
455 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
456 | char *cmdline = NULL; |
457 | ||
f37d259d MD |
458 | struct lttng_event cur_event; |
459 | ||
460 | memset(&domain, 0, sizeof(domain)); | |
461 | memset(&cur_event, 0, sizeof(cur_event)); | |
462 | ||
463 | DBG("Getting UST tracing event fields"); | |
464 | ||
465 | domain.type = LTTNG_DOMAIN_UST; | |
466 | ||
467 | handle = lttng_create_handle(NULL, &domain); | |
468 | if (handle == NULL) { | |
469 | goto error; | |
470 | } | |
471 | ||
472 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
473 | if (size < 0) { | |
60e835ca | 474 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
f37d259d MD |
475 | lttng_destroy_handle(handle); |
476 | return size; | |
477 | } | |
478 | ||
479 | MSG("UST events:\n-------------"); | |
480 | ||
481 | if (size == 0) { | |
482 | MSG("None"); | |
483 | } | |
484 | ||
485 | for (i = 0; i < size; i++) { | |
486 | if (cur_pid != event_field_list[i].event.pid) { | |
487 | cur_pid = event_field_list[i].event.pid; | |
ea5cbc00 CB |
488 | cmdline = get_cmdline_by_pid(cur_pid); |
489 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
490 | free(cmdline); | |
8966b2b0 DG |
491 | /* Wipe current event since we are about to print a new PID. */ |
492 | memset(&cur_event, 0, sizeof(cur_event)); | |
f37d259d MD |
493 | } |
494 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
495 | print_events(&event_field_list[i].event); | |
496 | memcpy(&cur_event, &event_field_list[i].event, | |
497 | sizeof(cur_event)); | |
498 | } | |
499 | print_event_field(&event_field_list[i]); | |
500 | } | |
501 | ||
502 | MSG(""); | |
503 | ||
504 | free(event_field_list); | |
505 | lttng_destroy_handle(handle); | |
506 | ||
507 | return CMD_SUCCESS; | |
508 | ||
509 | error: | |
510 | lttng_destroy_handle(handle); | |
511 | return -1; | |
512 | } | |
513 | ||
f3ed775e | 514 | /* |
9f19cc17 | 515 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 516 | */ |
9f19cc17 | 517 | static int list_kernel_events(void) |
f3ed775e | 518 | { |
9f19cc17 | 519 | int i, size; |
b551a063 DG |
520 | struct lttng_domain domain; |
521 | struct lttng_handle *handle; | |
9f19cc17 | 522 | struct lttng_event *event_list; |
f3ed775e | 523 | |
441c16a7 MD |
524 | memset(&domain, 0, sizeof(domain)); |
525 | ||
b551a063 DG |
526 | DBG("Getting kernel tracing events"); |
527 | ||
528 | domain.type = LTTNG_DOMAIN_KERNEL; | |
529 | ||
530 | handle = lttng_create_handle(NULL, &domain); | |
531 | if (handle == NULL) { | |
532 | goto error; | |
533 | } | |
f3ed775e | 534 | |
cd80958d | 535 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 536 | if (size < 0) { |
60e835ca | 537 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 538 | lttng_destroy_handle(handle); |
9f19cc17 | 539 | return size; |
f3ed775e DG |
540 | } |
541 | ||
9f19cc17 | 542 | MSG("Kernel events:\n-------------"); |
f3ed775e | 543 | |
9f19cc17 | 544 | for (i = 0; i < size; i++) { |
b551a063 | 545 | print_events(&event_list[i]); |
f3ed775e DG |
546 | } |
547 | ||
b551a063 DG |
548 | MSG(""); |
549 | ||
f3ed775e DG |
550 | free(event_list); |
551 | ||
ef021732 | 552 | lttng_destroy_handle(handle); |
f3ed775e | 553 | return CMD_SUCCESS; |
b551a063 DG |
554 | |
555 | error: | |
ef021732 | 556 | lttng_destroy_handle(handle); |
b551a063 | 557 | return -1; |
f3ed775e DG |
558 | } |
559 | ||
3c6a091f DG |
560 | /* |
561 | * List JUL events for a specific session using the handle. | |
562 | * | |
563 | * Return CMD_SUCCESS on success else a negative value. | |
564 | */ | |
565 | static int list_session_jul_events(void) | |
566 | { | |
567 | int ret, count, i; | |
568 | struct lttng_event *events = NULL; | |
569 | ||
570 | count = lttng_list_events(handle, "", &events); | |
571 | if (count < 0) { | |
572 | ret = count; | |
573 | ERR("%s", lttng_strerror(ret)); | |
574 | goto error; | |
575 | } | |
576 | ||
577 | MSG("Events (Logger name):\n---------------------"); | |
578 | if (count == 0) { | |
579 | MSG("%sNone\n", indent6); | |
580 | goto end; | |
581 | } | |
582 | ||
583 | for (i = 0; i < count; i++) { | |
584 | MSG("%s- %s%s", indent4, events[i].name, | |
585 | enabled_string(events[i].enabled)); | |
586 | } | |
587 | ||
588 | MSG(""); | |
589 | ||
590 | end: | |
591 | free(events); | |
592 | ret = CMD_SUCCESS; | |
593 | ||
594 | error: | |
595 | return ret; | |
596 | } | |
597 | ||
f3ed775e | 598 | /* |
9f19cc17 | 599 | * List events of channel of session and domain. |
f3ed775e | 600 | */ |
cd80958d | 601 | static int list_events(const char *channel_name) |
f3ed775e DG |
602 | { |
603 | int ret, count, i; | |
9f19cc17 | 604 | struct lttng_event *events = NULL; |
f3ed775e | 605 | |
cd80958d | 606 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
607 | if (count < 0) { |
608 | ret = count; | |
60e835ca | 609 | ERR("%s", lttng_strerror(ret)); |
f3ed775e DG |
610 | goto error; |
611 | } | |
612 | ||
9f19cc17 DG |
613 | MSG("\n%sEvents:", indent4); |
614 | if (count == 0) { | |
5edd7e09 | 615 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
616 | goto end; |
617 | } | |
618 | ||
f3ed775e | 619 | for (i = 0; i < count; i++) { |
b551a063 | 620 | print_events(&events[i]); |
f3ed775e DG |
621 | } |
622 | ||
9f19cc17 | 623 | MSG(""); |
f3ed775e | 624 | |
9f19cc17 | 625 | end: |
0e428499 | 626 | free(events); |
9f19cc17 | 627 | ret = CMD_SUCCESS; |
f3ed775e DG |
628 | |
629 | error: | |
630 | return ret; | |
631 | } | |
632 | ||
633 | /* | |
9f19cc17 DG |
634 | * Pretty print channel |
635 | */ | |
636 | static void print_channel(struct lttng_channel *channel) | |
637 | { | |
464dd62d | 638 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
639 | |
640 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
641 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
642 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 643 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
644 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
645 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
9f19cc17 DG |
646 | switch (channel->attr.output) { |
647 | case LTTNG_EVENT_SPLICE: | |
648 | MSG("%soutput: splice()", indent6); | |
649 | break; | |
650 | case LTTNG_EVENT_MMAP: | |
651 | MSG("%soutput: mmap()", indent6); | |
652 | break; | |
653 | } | |
654 | } | |
655 | ||
656 | /* | |
657 | * List channel(s) of session and domain. | |
f3ed775e | 658 | * |
9f19cc17 | 659 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 660 | */ |
cd80958d | 661 | static int list_channels(const char *channel_name) |
f3ed775e | 662 | { |
9f19cc17 DG |
663 | int count, i, ret = CMD_SUCCESS; |
664 | unsigned int chan_found = 0; | |
665 | struct lttng_channel *channels = NULL; | |
f3ed775e | 666 | |
3e25cb20 | 667 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 668 | |
cd80958d | 669 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 670 | if (count < 0) { |
c7d620a2 DG |
671 | switch (-count) { |
672 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
673 | ret = CMD_SUCCESS; | |
674 | WARN("No kernel channel"); | |
675 | break; | |
676 | default: | |
677 | /* We had a real error */ | |
678 | ret = count; | |
679 | ERR("%s", lttng_strerror(ret)); | |
60e835ca | 680 | break; |
c7d620a2 | 681 | } |
ae856491 | 682 | goto error_channels; |
f3ed775e DG |
683 | } |
684 | ||
9f19cc17 DG |
685 | if (channel_name == NULL) { |
686 | MSG("Channels:\n-------------"); | |
687 | } | |
688 | ||
689 | for (i = 0; i < count; i++) { | |
690 | if (channel_name != NULL) { | |
691 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
692 | chan_found = 1; | |
693 | } else { | |
694 | continue; | |
695 | } | |
696 | } | |
697 | print_channel(&channels[i]); | |
698 | ||
699 | /* Listing events per channel */ | |
cd80958d | 700 | ret = list_events(channels[i].name); |
9f19cc17 | 701 | if (ret < 0) { |
60e835ca | 702 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
703 | } |
704 | ||
705 | if (chan_found) { | |
706 | break; | |
f3ed775e | 707 | } |
f3ed775e DG |
708 | } |
709 | ||
9f19cc17 | 710 | if (!chan_found && channel_name != NULL) { |
ae856491 DG |
711 | ERR("Channel %s not found", channel_name); |
712 | goto error; | |
9f19cc17 | 713 | } |
f3ed775e | 714 | |
9f19cc17 | 715 | ret = CMD_SUCCESS; |
f3ed775e DG |
716 | |
717 | error: | |
ae856491 DG |
718 | free(channels); |
719 | ||
720 | error_channels: | |
f3ed775e DG |
721 | return ret; |
722 | } | |
723 | ||
724 | /* | |
9f19cc17 | 725 | * List available tracing session. List only basic information. |
f3ed775e | 726 | * |
9f19cc17 | 727 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 728 | */ |
9f19cc17 | 729 | static int list_sessions(const char *session_name) |
f3ed775e | 730 | { |
9f19cc17 DG |
731 | int ret, count, i; |
732 | unsigned int session_found = 0; | |
733 | struct lttng_session *sessions; | |
734 | ||
735 | count = lttng_list_sessions(&sessions); | |
736 | DBG("Session count %d", count); | |
737 | if (count < 0) { | |
738 | ret = count; | |
8f3f773f | 739 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 | 740 | goto error; |
d32fb093 DG |
741 | } else if (count == 0) { |
742 | MSG("Currently no available tracing session"); | |
743 | goto end; | |
9f19cc17 DG |
744 | } |
745 | ||
746 | if (session_name == NULL) { | |
747 | MSG("Available tracing sessions:"); | |
748 | } | |
749 | ||
750 | for (i = 0; i < count; i++) { | |
751 | if (session_name != NULL) { | |
752 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
753 | session_found = 1; | |
2cbf8fed DG |
754 | MSG("Tracing session %s: [%s%s]", session_name, |
755 | active_string(sessions[i].enabled), | |
756 | snapshot_string(sessions[i].snapshot_mode)); | |
9f19cc17 DG |
757 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
758 | break; | |
759 | } | |
3842aa86 | 760 | } else { |
2cbf8fed DG |
761 | MSG(" %d) %s (%s) [%s%s]", i + 1, sessions[i].name, sessions[i].path, |
762 | active_string(sessions[i].enabled), | |
763 | snapshot_string(sessions[i].snapshot_mode)); | |
9f19cc17 DG |
764 | } |
765 | } | |
766 | ||
767 | free(sessions); | |
768 | ||
769 | if (!session_found && session_name != NULL) { | |
b6913340 DG |
770 | ERR("Session '%s' not found", session_name); |
771 | ret = CMD_ERROR; | |
772 | goto error; | |
9f19cc17 DG |
773 | } |
774 | ||
775 | if (session_name == NULL) { | |
6e0de39b | 776 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 777 | } |
f3ed775e | 778 | |
d32fb093 | 779 | end: |
f3ed775e DG |
780 | return CMD_SUCCESS; |
781 | ||
782 | error: | |
783 | return ret; | |
784 | } | |
f3ed775e DG |
785 | |
786 | /* | |
9f19cc17 | 787 | * List available domain(s) for a session. |
f3ed775e | 788 | */ |
330be774 | 789 | static int list_domains(const char *session_name) |
f3ed775e | 790 | { |
9f19cc17 DG |
791 | int i, count, ret = CMD_SUCCESS; |
792 | struct lttng_domain *domains = NULL; | |
793 | ||
794 | MSG("Domains:\n-------------"); | |
795 | ||
330be774 | 796 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
797 | if (count < 0) { |
798 | ret = count; | |
60e835ca | 799 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
800 | goto error; |
801 | } else if (count == 0) { | |
802 | MSG(" None"); | |
803 | goto end; | |
804 | } | |
805 | ||
806 | for (i = 0; i < count; i++) { | |
807 | switch (domains[i].type) { | |
808 | case LTTNG_DOMAIN_KERNEL: | |
809 | MSG(" - Kernel"); | |
b551a063 DG |
810 | break; |
811 | case LTTNG_DOMAIN_UST: | |
812 | MSG(" - UST global"); | |
813 | break; | |
3c6a091f DG |
814 | case LTTNG_DOMAIN_JUL: |
815 | MSG(" - JUL (Java Util Logging)"); | |
816 | break; | |
9f19cc17 DG |
817 | default: |
818 | break; | |
819 | } | |
820 | } | |
821 | ||
822 | end: | |
823 | free(domains); | |
824 | ||
825 | error: | |
826 | return ret; | |
f3ed775e | 827 | } |
f3ed775e DG |
828 | |
829 | /* | |
9f19cc17 | 830 | * The 'list <options>' first level command |
f3ed775e DG |
831 | */ |
832 | int cmd_list(int argc, const char **argv) | |
833 | { | |
c617c0c6 | 834 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 835 | const char *session_name; |
f3ed775e | 836 | static poptContext pc; |
9f19cc17 DG |
837 | struct lttng_domain domain; |
838 | struct lttng_domain *domains = NULL; | |
f3ed775e | 839 | |
441c16a7 MD |
840 | memset(&domain, 0, sizeof(domain)); |
841 | ||
9f19cc17 | 842 | if (argc < 1) { |
f3ed775e | 843 | usage(stderr); |
ca1c3607 | 844 | ret = CMD_ERROR; |
f3ed775e DG |
845 | goto end; |
846 | } | |
847 | ||
848 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
849 | poptReadDefaultConfig(pc, 0); | |
850 | ||
851 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
852 | switch (opt) { | |
853 | case OPT_HELP: | |
ca1c3607 | 854 | usage(stdout); |
f3ed775e | 855 | goto end; |
eeac7d46 MD |
856 | case OPT_USERSPACE: |
857 | opt_userspace = 1; | |
eeac7d46 | 858 | break; |
679b4943 SM |
859 | case OPT_LIST_OPTIONS: |
860 | list_cmd_options(stdout, long_options); | |
679b4943 | 861 | goto end; |
f3ed775e DG |
862 | default: |
863 | usage(stderr); | |
864 | ret = CMD_UNDEFINED; | |
865 | goto end; | |
866 | } | |
867 | } | |
868 | ||
9f19cc17 DG |
869 | /* Get session name (trailing argument) */ |
870 | session_name = poptGetArg(pc); | |
b551a063 | 871 | DBG2("Session name: %s", session_name); |
9f19cc17 | 872 | |
cd80958d DG |
873 | if (opt_kernel) { |
874 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
875 | } else if (opt_userspace) { |
876 | DBG2("Listing userspace global domain"); | |
877 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
878 | } else if (opt_jul) { |
879 | DBG2("Listing JUL domain"); | |
880 | domain.type = LTTNG_DOMAIN_JUL; | |
cd80958d DG |
881 | } |
882 | ||
3c6a091f | 883 | if (opt_kernel || opt_userspace || opt_jul) { |
aa5de748 MD |
884 | handle = lttng_create_handle(session_name, &domain); |
885 | if (handle == NULL) { | |
886 | ret = CMD_FATAL; | |
887 | goto end; | |
888 | } | |
cd80958d DG |
889 | } |
890 | ||
9f19cc17 | 891 | if (session_name == NULL) { |
3c6a091f | 892 | if (!opt_kernel && !opt_userspace && !opt_jul) { |
b551a063 | 893 | ret = list_sessions(NULL); |
b6913340 | 894 | if (ret != 0) { |
b551a063 DG |
895 | goto end; |
896 | } | |
897 | } | |
9f19cc17 DG |
898 | if (opt_kernel) { |
899 | ret = list_kernel_events(); | |
900 | if (ret < 0) { | |
6191db77 | 901 | ret = CMD_ERROR; |
9f19cc17 DG |
902 | goto end; |
903 | } | |
b551a063 DG |
904 | } |
905 | if (opt_userspace) { | |
f37d259d MD |
906 | if (opt_fields) { |
907 | ret = list_ust_event_fields(); | |
908 | } else { | |
909 | ret = list_ust_events(); | |
910 | } | |
9f19cc17 | 911 | if (ret < 0) { |
6191db77 | 912 | ret = CMD_ERROR; |
9f19cc17 DG |
913 | goto end; |
914 | } | |
915 | } | |
3c6a091f DG |
916 | if (opt_jul) { |
917 | ret = list_jul_events(); | |
918 | if (ret < 0) { | |
919 | ret = CMD_ERROR; | |
920 | goto end; | |
921 | } | |
922 | } | |
9f19cc17 DG |
923 | } else { |
924 | /* List session attributes */ | |
925 | ret = list_sessions(session_name); | |
b6913340 | 926 | if (ret != 0) { |
9f19cc17 DG |
927 | goto end; |
928 | } | |
929 | ||
930 | /* Domain listing */ | |
931 | if (opt_domain) { | |
330be774 | 932 | ret = list_domains(session_name); |
9f19cc17 DG |
933 | goto end; |
934 | } | |
935 | ||
1c3de747 | 936 | if (opt_kernel || opt_userspace) { |
9f19cc17 | 937 | /* Channel listing */ |
cd80958d | 938 | ret = list_channels(opt_channel); |
9f19cc17 DG |
939 | if (ret < 0) { |
940 | goto end; | |
941 | } | |
9f19cc17 | 942 | } else { |
c617c0c6 MD |
943 | int i, nb_domain; |
944 | ||
9f19cc17 | 945 | /* We want all domain(s) */ |
330be774 | 946 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 947 | if (nb_domain < 0) { |
67635185 | 948 | ret = nb_domain; |
60e835ca | 949 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
950 | goto end; |
951 | } | |
952 | ||
b551a063 | 953 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
954 | switch (domains[i].type) { |
955 | case LTTNG_DOMAIN_KERNEL: | |
956 | MSG("=== Domain: Kernel ===\n"); | |
957 | break; | |
b551a063 DG |
958 | case LTTNG_DOMAIN_UST: |
959 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
960 | MSG("Buffer type: %s\n", |
961 | domains[i].buf_type == | |
962 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 963 | break; |
3c6a091f DG |
964 | case LTTNG_DOMAIN_JUL: |
965 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
966 | break; | |
9f19cc17 DG |
967 | default: |
968 | MSG("=== Domain: Unimplemented ===\n"); | |
969 | break; | |
970 | } | |
971 | ||
cd80958d | 972 | /* Clean handle before creating a new one */ |
aa5de748 MD |
973 | if (handle) { |
974 | lttng_destroy_handle(handle); | |
975 | } | |
cd80958d DG |
976 | |
977 | handle = lttng_create_handle(session_name, &domains[i]); | |
978 | if (handle == NULL) { | |
ca1c3607 | 979 | ret = CMD_FATAL; |
cd80958d DG |
980 | goto end; |
981 | } | |
982 | ||
3c6a091f DG |
983 | if (domains[i].type == LTTNG_DOMAIN_JUL) { |
984 | ret = list_session_jul_events(); | |
985 | if (ret < 0) { | |
986 | goto end; | |
987 | } | |
988 | continue; | |
989 | } | |
990 | ||
cd80958d | 991 | ret = list_channels(opt_channel); |
9f19cc17 DG |
992 | if (ret < 0) { |
993 | goto end; | |
994 | } | |
995 | } | |
996 | } | |
f3ed775e DG |
997 | } |
998 | ||
999 | end: | |
0e428499 | 1000 | free(domains); |
aa5de748 MD |
1001 | if (handle) { |
1002 | lttng_destroy_handle(handle); | |
1003 | } | |
cd80958d | 1004 | |
ca1c3607 | 1005 | poptFreeContext(pc); |
f3ed775e DG |
1006 | return ret; |
1007 | } |