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 | ||
ff94328f DG |
180 | static const char *loglevel_jul_string(int value) |
181 | { | |
182 | switch (value) { | |
183 | case -1: | |
184 | return ""; | |
185 | case LTTNG_LOGLEVEL_JUL_OFF: | |
186 | return "JUL_OFF"; | |
187 | case LTTNG_LOGLEVEL_JUL_SEVERE: | |
188 | return "JUL_SEVERE"; | |
189 | case LTTNG_LOGLEVEL_JUL_WARNING: | |
190 | return "JUL_WARNING"; | |
191 | case LTTNG_LOGLEVEL_JUL_INFO: | |
192 | return "JUL_INFO"; | |
193 | case LTTNG_LOGLEVEL_JUL_CONFIG: | |
194 | return "JUL_CONFIG"; | |
195 | case LTTNG_LOGLEVEL_JUL_FINE: | |
196 | return "JUL_FINE"; | |
197 | case LTTNG_LOGLEVEL_JUL_FINER: | |
198 | return "JUL_FINER"; | |
199 | case LTTNG_LOGLEVEL_JUL_FINEST: | |
200 | return "JUL_FINEST"; | |
201 | case LTTNG_LOGLEVEL_JUL_ALL: | |
202 | return "JUL_ALL"; | |
203 | default: | |
204 | return "<<UNKNOWN>>"; | |
205 | } | |
206 | } | |
207 | ||
8005f29a MD |
208 | static const char *loglevel_string(int value) |
209 | { | |
210 | switch (value) { | |
255a5dab MD |
211 | case -1: |
212 | return ""; | |
213 | case LTTNG_LOGLEVEL_EMERG: | |
214 | return "TRACE_EMERG"; | |
215 | case LTTNG_LOGLEVEL_ALERT: | |
216 | return "TRACE_ALERT"; | |
217 | case LTTNG_LOGLEVEL_CRIT: | |
218 | return "TRACE_CRIT"; | |
219 | case LTTNG_LOGLEVEL_ERR: | |
220 | return "TRACE_ERR"; | |
221 | case LTTNG_LOGLEVEL_WARNING: | |
222 | return "TRACE_WARNING"; | |
223 | case LTTNG_LOGLEVEL_NOTICE: | |
224 | return "TRACE_NOTICE"; | |
225 | case LTTNG_LOGLEVEL_INFO: | |
226 | return "TRACE_INFO"; | |
227 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
228 | return "TRACE_DEBUG_SYSTEM"; | |
229 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
230 | return "TRACE_DEBUG_PROGRAM"; | |
231 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
232 | return "TRACE_DEBUG_PROCESS"; | |
233 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
234 | return "TRACE_DEBUG_MODULE"; | |
235 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
236 | return "TRACE_DEBUG_UNIT"; | |
237 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
238 | return "TRACE_DEBUG_FUNCTION"; | |
239 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
240 | return "TRACE_DEBUG_LINE"; | |
241 | case LTTNG_LOGLEVEL_DEBUG: | |
242 | return "TRACE_DEBUG"; | |
243 | default: | |
244 | return "<<UNKNOWN>>"; | |
8005f29a MD |
245 | } |
246 | } | |
247 | ||
1f0e17de DG |
248 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
249 | { | |
250 | switch (value) { | |
af6bce80 DG |
251 | case LTTNG_EVENT_LOGLEVEL_ALL: |
252 | return ":"; | |
1f0e17de | 253 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 254 | return " <="; |
1f0e17de | 255 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 256 | return " =="; |
1f0e17de | 257 | default: |
af6bce80 | 258 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
259 | } |
260 | } | |
261 | ||
b551a063 DG |
262 | /* |
263 | * Pretty print single event. | |
264 | */ | |
265 | static void print_events(struct lttng_event *event) | |
266 | { | |
267 | switch (event->type) { | |
268 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 269 | { |
8b703175 | 270 | if (event->loglevel != -1) { |
af6bce80 | 271 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 272 | indent6, |
81afa345 | 273 | event->name, |
1f0e17de | 274 | logleveltype_string(event->loglevel_type), |
8005f29a | 275 | loglevel_string(event->loglevel), |
8b703175 | 276 | event->loglevel, |
fceb65df | 277 | enabled_string(event->enabled), |
4634f12e | 278 | exclusion_string(event->exclusion), |
fceb65df | 279 | filter_string(event->filter)); |
8b703175 | 280 | } else { |
4634f12e | 281 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
282 | indent6, |
283 | event->name, | |
fceb65df | 284 | enabled_string(event->enabled), |
4634f12e | 285 | exclusion_string(event->exclusion), |
fceb65df | 286 | filter_string(event->filter)); |
8b703175 | 287 | } |
b551a063 | 288 | break; |
e4baff1e | 289 | } |
1896972b DG |
290 | case LTTNG_EVENT_FUNCTION: |
291 | MSG("%s%s (type: function)%s%s", indent6, | |
292 | event->name, enabled_string(event->enabled), | |
293 | filter_string(event->filter)); | |
294 | if (event->attr.probe.addr != 0) { | |
295 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
296 | } else { | |
297 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
298 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
299 | } | |
300 | break; | |
b551a063 | 301 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
302 | MSG("%s%s (type: probe)%s%s", indent6, |
303 | event->name, enabled_string(event->enabled), | |
304 | filter_string(event->filter)); | |
b551a063 DG |
305 | if (event->attr.probe.addr != 0) { |
306 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
307 | } else { | |
308 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
309 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
310 | } | |
311 | break; | |
b551a063 | 312 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
313 | MSG("%s%s (type: function)%s%s", indent6, |
314 | event->name, enabled_string(event->enabled), | |
315 | filter_string(event->filter)); | |
b551a063 DG |
316 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
317 | break; | |
318 | case LTTNG_EVENT_SYSCALL: | |
fceb65df MD |
319 | MSG("%ssyscalls (type: syscall)%s%s", indent6, |
320 | enabled_string(event->enabled), | |
321 | filter_string(event->filter)); | |
b551a063 DG |
322 | break; |
323 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
324 | MSG("%s (type: noop)%s%s", indent6, |
325 | enabled_string(event->enabled), | |
326 | filter_string(event->filter)); | |
b551a063 DG |
327 | break; |
328 | case LTTNG_EVENT_ALL: | |
329 | /* We should never have "all" events in list. */ | |
330 | assert(0); | |
331 | break; | |
332 | } | |
333 | } | |
334 | ||
f37d259d MD |
335 | static const char *field_type(struct lttng_event_field *field) |
336 | { | |
337 | switch(field->type) { | |
338 | case LTTNG_EVENT_FIELD_INTEGER: | |
339 | return "integer"; | |
340 | case LTTNG_EVENT_FIELD_ENUM: | |
341 | return "enum"; | |
342 | case LTTNG_EVENT_FIELD_FLOAT: | |
343 | return "float"; | |
344 | case LTTNG_EVENT_FIELD_STRING: | |
345 | return "string"; | |
346 | case LTTNG_EVENT_FIELD_OTHER: | |
347 | default: /* fall-through */ | |
348 | return "unknown"; | |
349 | } | |
350 | } | |
351 | ||
352 | /* | |
353 | * Pretty print single event fields. | |
354 | */ | |
355 | static void print_event_field(struct lttng_event_field *field) | |
356 | { | |
357 | if (!field->field_name[0]) { | |
358 | return; | |
359 | } | |
d8fbe2a9 | 360 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 361 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
362 | } |
363 | ||
3c6a091f DG |
364 | static int list_jul_events(void) |
365 | { | |
366 | int i, size; | |
367 | struct lttng_domain domain; | |
368 | struct lttng_handle *handle; | |
369 | struct lttng_event *event_list; | |
370 | pid_t cur_pid = 0; | |
371 | char *cmdline = NULL; | |
372 | ||
373 | DBG("Getting JUL tracing events"); | |
374 | ||
375 | memset(&domain, 0, sizeof(domain)); | |
376 | domain.type = LTTNG_DOMAIN_JUL; | |
377 | ||
378 | handle = lttng_create_handle(NULL, &domain); | |
379 | if (handle == NULL) { | |
380 | goto error; | |
381 | } | |
382 | ||
383 | size = lttng_list_tracepoints(handle, &event_list); | |
384 | if (size < 0) { | |
385 | ERR("Unable to list JUL events: %s", lttng_strerror(size)); | |
386 | lttng_destroy_handle(handle); | |
387 | return size; | |
388 | } | |
389 | ||
390 | MSG("JUL events (Logger name):\n-------------------------"); | |
391 | ||
392 | if (size == 0) { | |
393 | MSG("None"); | |
394 | } | |
395 | ||
396 | for (i = 0; i < size; i++) { | |
397 | if (cur_pid != event_list[i].pid) { | |
398 | cur_pid = event_list[i].pid; | |
399 | cmdline = get_cmdline_by_pid(cur_pid); | |
400 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
401 | free(cmdline); | |
402 | } | |
403 | MSG("%s- %s", indent6, event_list[i].name); | |
404 | } | |
405 | ||
406 | MSG(""); | |
407 | ||
408 | free(event_list); | |
409 | lttng_destroy_handle(handle); | |
410 | ||
411 | return CMD_SUCCESS; | |
412 | ||
413 | error: | |
414 | lttng_destroy_handle(handle); | |
415 | return -1; | |
416 | } | |
417 | ||
b551a063 DG |
418 | /* |
419 | * Ask session daemon for all user space tracepoints available. | |
420 | */ | |
421 | static int list_ust_events(void) | |
422 | { | |
423 | int i, size; | |
424 | struct lttng_domain domain; | |
425 | struct lttng_handle *handle; | |
426 | struct lttng_event *event_list; | |
427 | pid_t cur_pid = 0; | |
ea5cbc00 | 428 | char *cmdline = NULL; |
b551a063 | 429 | |
441c16a7 MD |
430 | memset(&domain, 0, sizeof(domain)); |
431 | ||
b551a063 DG |
432 | DBG("Getting UST tracing events"); |
433 | ||
434 | domain.type = LTTNG_DOMAIN_UST; | |
435 | ||
436 | handle = lttng_create_handle(NULL, &domain); | |
437 | if (handle == NULL) { | |
438 | goto error; | |
439 | } | |
440 | ||
441 | size = lttng_list_tracepoints(handle, &event_list); | |
442 | if (size < 0) { | |
60e835ca | 443 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
ef021732 | 444 | lttng_destroy_handle(handle); |
b551a063 DG |
445 | return size; |
446 | } | |
447 | ||
448 | MSG("UST events:\n-------------"); | |
449 | ||
450 | if (size == 0) { | |
451 | MSG("None"); | |
452 | } | |
453 | ||
454 | for (i = 0; i < size; i++) { | |
455 | if (cur_pid != event_list[i].pid) { | |
456 | cur_pid = event_list[i].pid; | |
ea5cbc00 CB |
457 | cmdline = get_cmdline_by_pid(cur_pid); |
458 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
459 | free(cmdline); | |
b551a063 DG |
460 | } |
461 | print_events(&event_list[i]); | |
462 | } | |
463 | ||
464 | MSG(""); | |
465 | ||
466 | free(event_list); | |
ef021732 | 467 | lttng_destroy_handle(handle); |
b551a063 DG |
468 | |
469 | return CMD_SUCCESS; | |
470 | ||
471 | error: | |
ef021732 | 472 | lttng_destroy_handle(handle); |
b551a063 DG |
473 | return -1; |
474 | } | |
f3ed775e | 475 | |
f37d259d MD |
476 | /* |
477 | * Ask session daemon for all user space tracepoint fields available. | |
478 | */ | |
479 | static int list_ust_event_fields(void) | |
480 | { | |
481 | int i, size; | |
482 | struct lttng_domain domain; | |
483 | struct lttng_handle *handle; | |
484 | struct lttng_event_field *event_field_list; | |
485 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
486 | char *cmdline = NULL; |
487 | ||
f37d259d MD |
488 | struct lttng_event cur_event; |
489 | ||
490 | memset(&domain, 0, sizeof(domain)); | |
491 | memset(&cur_event, 0, sizeof(cur_event)); | |
492 | ||
493 | DBG("Getting UST tracing event fields"); | |
494 | ||
495 | domain.type = LTTNG_DOMAIN_UST; | |
496 | ||
497 | handle = lttng_create_handle(NULL, &domain); | |
498 | if (handle == NULL) { | |
499 | goto error; | |
500 | } | |
501 | ||
502 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
503 | if (size < 0) { | |
60e835ca | 504 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
f37d259d MD |
505 | lttng_destroy_handle(handle); |
506 | return size; | |
507 | } | |
508 | ||
509 | MSG("UST events:\n-------------"); | |
510 | ||
511 | if (size == 0) { | |
512 | MSG("None"); | |
513 | } | |
514 | ||
515 | for (i = 0; i < size; i++) { | |
516 | if (cur_pid != event_field_list[i].event.pid) { | |
517 | cur_pid = event_field_list[i].event.pid; | |
ea5cbc00 CB |
518 | cmdline = get_cmdline_by_pid(cur_pid); |
519 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
520 | free(cmdline); | |
8966b2b0 DG |
521 | /* Wipe current event since we are about to print a new PID. */ |
522 | memset(&cur_event, 0, sizeof(cur_event)); | |
f37d259d MD |
523 | } |
524 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
525 | print_events(&event_field_list[i].event); | |
526 | memcpy(&cur_event, &event_field_list[i].event, | |
527 | sizeof(cur_event)); | |
528 | } | |
529 | print_event_field(&event_field_list[i]); | |
530 | } | |
531 | ||
532 | MSG(""); | |
533 | ||
534 | free(event_field_list); | |
535 | lttng_destroy_handle(handle); | |
536 | ||
537 | return CMD_SUCCESS; | |
538 | ||
539 | error: | |
540 | lttng_destroy_handle(handle); | |
541 | return -1; | |
542 | } | |
543 | ||
f3ed775e | 544 | /* |
9f19cc17 | 545 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 546 | */ |
9f19cc17 | 547 | static int list_kernel_events(void) |
f3ed775e | 548 | { |
9f19cc17 | 549 | int i, size; |
b551a063 DG |
550 | struct lttng_domain domain; |
551 | struct lttng_handle *handle; | |
9f19cc17 | 552 | struct lttng_event *event_list; |
f3ed775e | 553 | |
441c16a7 MD |
554 | memset(&domain, 0, sizeof(domain)); |
555 | ||
b551a063 DG |
556 | DBG("Getting kernel tracing events"); |
557 | ||
558 | domain.type = LTTNG_DOMAIN_KERNEL; | |
559 | ||
560 | handle = lttng_create_handle(NULL, &domain); | |
561 | if (handle == NULL) { | |
562 | goto error; | |
563 | } | |
f3ed775e | 564 | |
cd80958d | 565 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 566 | if (size < 0) { |
60e835ca | 567 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 568 | lttng_destroy_handle(handle); |
9f19cc17 | 569 | return size; |
f3ed775e DG |
570 | } |
571 | ||
9f19cc17 | 572 | MSG("Kernel events:\n-------------"); |
f3ed775e | 573 | |
9f19cc17 | 574 | for (i = 0; i < size; i++) { |
b551a063 | 575 | print_events(&event_list[i]); |
f3ed775e DG |
576 | } |
577 | ||
b551a063 DG |
578 | MSG(""); |
579 | ||
f3ed775e DG |
580 | free(event_list); |
581 | ||
ef021732 | 582 | lttng_destroy_handle(handle); |
f3ed775e | 583 | return CMD_SUCCESS; |
b551a063 DG |
584 | |
585 | error: | |
ef021732 | 586 | lttng_destroy_handle(handle); |
b551a063 | 587 | return -1; |
f3ed775e DG |
588 | } |
589 | ||
3c6a091f DG |
590 | /* |
591 | * List JUL events for a specific session using the handle. | |
592 | * | |
593 | * Return CMD_SUCCESS on success else a negative value. | |
594 | */ | |
595 | static int list_session_jul_events(void) | |
596 | { | |
597 | int ret, count, i; | |
598 | struct lttng_event *events = NULL; | |
599 | ||
600 | count = lttng_list_events(handle, "", &events); | |
601 | if (count < 0) { | |
602 | ret = count; | |
603 | ERR("%s", lttng_strerror(ret)); | |
604 | goto error; | |
605 | } | |
606 | ||
607 | MSG("Events (Logger name):\n---------------------"); | |
608 | if (count == 0) { | |
609 | MSG("%sNone\n", indent6); | |
610 | goto end; | |
611 | } | |
612 | ||
613 | for (i = 0; i < count; i++) { | |
ff94328f DG |
614 | MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name, |
615 | enabled_string(events[i].enabled), | |
616 | logleveltype_string(events[i].loglevel_type), | |
617 | loglevel_jul_string(events[i].loglevel)); | |
3c6a091f DG |
618 | } |
619 | ||
620 | MSG(""); | |
621 | ||
622 | end: | |
623 | free(events); | |
624 | ret = CMD_SUCCESS; | |
625 | ||
626 | error: | |
627 | return ret; | |
628 | } | |
629 | ||
f3ed775e | 630 | /* |
9f19cc17 | 631 | * List events of channel of session and domain. |
f3ed775e | 632 | */ |
cd80958d | 633 | static int list_events(const char *channel_name) |
f3ed775e DG |
634 | { |
635 | int ret, count, i; | |
9f19cc17 | 636 | struct lttng_event *events = NULL; |
f3ed775e | 637 | |
cd80958d | 638 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
639 | if (count < 0) { |
640 | ret = count; | |
60e835ca | 641 | ERR("%s", lttng_strerror(ret)); |
f3ed775e DG |
642 | goto error; |
643 | } | |
644 | ||
9f19cc17 DG |
645 | MSG("\n%sEvents:", indent4); |
646 | if (count == 0) { | |
5edd7e09 | 647 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
648 | goto end; |
649 | } | |
650 | ||
f3ed775e | 651 | for (i = 0; i < count; i++) { |
b551a063 | 652 | print_events(&events[i]); |
f3ed775e DG |
653 | } |
654 | ||
9f19cc17 | 655 | MSG(""); |
f3ed775e | 656 | |
9f19cc17 | 657 | end: |
0e428499 | 658 | free(events); |
9f19cc17 | 659 | ret = CMD_SUCCESS; |
f3ed775e DG |
660 | |
661 | error: | |
662 | return ret; | |
663 | } | |
664 | ||
665 | /* | |
9f19cc17 DG |
666 | * Pretty print channel |
667 | */ | |
668 | static void print_channel(struct lttng_channel *channel) | |
669 | { | |
464dd62d | 670 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
671 | |
672 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
673 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
674 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 675 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
676 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
677 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
678 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
679 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
680 | switch (channel->attr.output) { |
681 | case LTTNG_EVENT_SPLICE: | |
682 | MSG("%soutput: splice()", indent6); | |
683 | break; | |
684 | case LTTNG_EVENT_MMAP: | |
685 | MSG("%soutput: mmap()", indent6); | |
686 | break; | |
687 | } | |
688 | } | |
689 | ||
690 | /* | |
691 | * List channel(s) of session and domain. | |
f3ed775e | 692 | * |
9f19cc17 | 693 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 694 | */ |
cd80958d | 695 | static int list_channels(const char *channel_name) |
f3ed775e | 696 | { |
9f19cc17 DG |
697 | int count, i, ret = CMD_SUCCESS; |
698 | unsigned int chan_found = 0; | |
699 | struct lttng_channel *channels = NULL; | |
f3ed775e | 700 | |
3e25cb20 | 701 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 702 | |
cd80958d | 703 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 704 | if (count < 0) { |
c7d620a2 DG |
705 | switch (-count) { |
706 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
707 | ret = CMD_SUCCESS; | |
708 | WARN("No kernel channel"); | |
709 | break; | |
710 | default: | |
711 | /* We had a real error */ | |
712 | ret = count; | |
713 | ERR("%s", lttng_strerror(ret)); | |
60e835ca | 714 | break; |
c7d620a2 | 715 | } |
ae856491 | 716 | goto error_channels; |
f3ed775e DG |
717 | } |
718 | ||
9f19cc17 DG |
719 | if (channel_name == NULL) { |
720 | MSG("Channels:\n-------------"); | |
721 | } | |
722 | ||
723 | for (i = 0; i < count; i++) { | |
724 | if (channel_name != NULL) { | |
725 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
726 | chan_found = 1; | |
727 | } else { | |
728 | continue; | |
729 | } | |
730 | } | |
731 | print_channel(&channels[i]); | |
732 | ||
733 | /* Listing events per channel */ | |
cd80958d | 734 | ret = list_events(channels[i].name); |
9f19cc17 | 735 | if (ret < 0) { |
60e835ca | 736 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
737 | } |
738 | ||
739 | if (chan_found) { | |
740 | break; | |
f3ed775e | 741 | } |
f3ed775e DG |
742 | } |
743 | ||
9f19cc17 | 744 | if (!chan_found && channel_name != NULL) { |
ae856491 DG |
745 | ERR("Channel %s not found", channel_name); |
746 | goto error; | |
9f19cc17 | 747 | } |
f3ed775e | 748 | |
9f19cc17 | 749 | ret = CMD_SUCCESS; |
f3ed775e DG |
750 | |
751 | error: | |
ae856491 DG |
752 | free(channels); |
753 | ||
754 | error_channels: | |
f3ed775e DG |
755 | return ret; |
756 | } | |
757 | ||
758 | /* | |
9f19cc17 | 759 | * List available tracing session. List only basic information. |
f3ed775e | 760 | * |
9f19cc17 | 761 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 762 | */ |
9f19cc17 | 763 | static int list_sessions(const char *session_name) |
f3ed775e | 764 | { |
9f19cc17 DG |
765 | int ret, count, i; |
766 | unsigned int session_found = 0; | |
767 | struct lttng_session *sessions; | |
768 | ||
769 | count = lttng_list_sessions(&sessions); | |
770 | DBG("Session count %d", count); | |
771 | if (count < 0) { | |
772 | ret = count; | |
8f3f773f | 773 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 | 774 | goto error; |
d32fb093 DG |
775 | } else if (count == 0) { |
776 | MSG("Currently no available tracing session"); | |
777 | goto end; | |
9f19cc17 DG |
778 | } |
779 | ||
780 | if (session_name == NULL) { | |
781 | MSG("Available tracing sessions:"); | |
782 | } | |
783 | ||
784 | for (i = 0; i < count; i++) { | |
785 | if (session_name != NULL) { | |
786 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
787 | session_found = 1; | |
2cbf8fed DG |
788 | MSG("Tracing session %s: [%s%s]", session_name, |
789 | active_string(sessions[i].enabled), | |
790 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 DG |
791 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
792 | MSG("%sLive timer interval (usec): %u\n", indent4, | |
793 | sessions[i].live_timer_interval); | |
9f19cc17 DG |
794 | break; |
795 | } | |
3842aa86 | 796 | } else { |
2cbf8fed DG |
797 | MSG(" %d) %s (%s) [%s%s]", i + 1, sessions[i].name, sessions[i].path, |
798 | active_string(sessions[i].enabled), | |
799 | snapshot_string(sessions[i].snapshot_mode)); | |
9f19cc17 DG |
800 | } |
801 | } | |
802 | ||
803 | free(sessions); | |
804 | ||
805 | if (!session_found && session_name != NULL) { | |
b6913340 DG |
806 | ERR("Session '%s' not found", session_name); |
807 | ret = CMD_ERROR; | |
808 | goto error; | |
9f19cc17 DG |
809 | } |
810 | ||
811 | if (session_name == NULL) { | |
6e0de39b | 812 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 813 | } |
f3ed775e | 814 | |
d32fb093 | 815 | end: |
f3ed775e DG |
816 | return CMD_SUCCESS; |
817 | ||
818 | error: | |
819 | return ret; | |
820 | } | |
f3ed775e DG |
821 | |
822 | /* | |
9f19cc17 | 823 | * List available domain(s) for a session. |
f3ed775e | 824 | */ |
330be774 | 825 | static int list_domains(const char *session_name) |
f3ed775e | 826 | { |
9f19cc17 DG |
827 | int i, count, ret = CMD_SUCCESS; |
828 | struct lttng_domain *domains = NULL; | |
829 | ||
830 | MSG("Domains:\n-------------"); | |
831 | ||
330be774 | 832 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
833 | if (count < 0) { |
834 | ret = count; | |
60e835ca | 835 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
836 | goto error; |
837 | } else if (count == 0) { | |
838 | MSG(" None"); | |
839 | goto end; | |
840 | } | |
841 | ||
842 | for (i = 0; i < count; i++) { | |
843 | switch (domains[i].type) { | |
844 | case LTTNG_DOMAIN_KERNEL: | |
845 | MSG(" - Kernel"); | |
b551a063 DG |
846 | break; |
847 | case LTTNG_DOMAIN_UST: | |
848 | MSG(" - UST global"); | |
849 | break; | |
3c6a091f DG |
850 | case LTTNG_DOMAIN_JUL: |
851 | MSG(" - JUL (Java Util Logging)"); | |
852 | break; | |
9f19cc17 DG |
853 | default: |
854 | break; | |
855 | } | |
856 | } | |
857 | ||
858 | end: | |
859 | free(domains); | |
860 | ||
861 | error: | |
862 | return ret; | |
f3ed775e | 863 | } |
f3ed775e DG |
864 | |
865 | /* | |
9f19cc17 | 866 | * The 'list <options>' first level command |
f3ed775e DG |
867 | */ |
868 | int cmd_list(int argc, const char **argv) | |
869 | { | |
c617c0c6 | 870 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 871 | const char *session_name; |
f3ed775e | 872 | static poptContext pc; |
9f19cc17 DG |
873 | struct lttng_domain domain; |
874 | struct lttng_domain *domains = NULL; | |
f3ed775e | 875 | |
441c16a7 MD |
876 | memset(&domain, 0, sizeof(domain)); |
877 | ||
9f19cc17 | 878 | if (argc < 1) { |
f3ed775e | 879 | usage(stderr); |
ca1c3607 | 880 | ret = CMD_ERROR; |
f3ed775e DG |
881 | goto end; |
882 | } | |
883 | ||
884 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
885 | poptReadDefaultConfig(pc, 0); | |
886 | ||
887 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
888 | switch (opt) { | |
889 | case OPT_HELP: | |
ca1c3607 | 890 | usage(stdout); |
f3ed775e | 891 | goto end; |
eeac7d46 MD |
892 | case OPT_USERSPACE: |
893 | opt_userspace = 1; | |
eeac7d46 | 894 | break; |
679b4943 SM |
895 | case OPT_LIST_OPTIONS: |
896 | list_cmd_options(stdout, long_options); | |
679b4943 | 897 | goto end; |
f3ed775e DG |
898 | default: |
899 | usage(stderr); | |
900 | ret = CMD_UNDEFINED; | |
901 | goto end; | |
902 | } | |
903 | } | |
904 | ||
9f19cc17 DG |
905 | /* Get session name (trailing argument) */ |
906 | session_name = poptGetArg(pc); | |
b551a063 | 907 | DBG2("Session name: %s", session_name); |
9f19cc17 | 908 | |
cd80958d DG |
909 | if (opt_kernel) { |
910 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
911 | } else if (opt_userspace) { |
912 | DBG2("Listing userspace global domain"); | |
913 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
914 | } else if (opt_jul) { |
915 | DBG2("Listing JUL domain"); | |
916 | domain.type = LTTNG_DOMAIN_JUL; | |
cd80958d DG |
917 | } |
918 | ||
3c6a091f | 919 | if (opt_kernel || opt_userspace || opt_jul) { |
aa5de748 MD |
920 | handle = lttng_create_handle(session_name, &domain); |
921 | if (handle == NULL) { | |
922 | ret = CMD_FATAL; | |
923 | goto end; | |
924 | } | |
cd80958d DG |
925 | } |
926 | ||
9f19cc17 | 927 | if (session_name == NULL) { |
3c6a091f | 928 | if (!opt_kernel && !opt_userspace && !opt_jul) { |
b551a063 | 929 | ret = list_sessions(NULL); |
b6913340 | 930 | if (ret != 0) { |
b551a063 DG |
931 | goto end; |
932 | } | |
933 | } | |
9f19cc17 DG |
934 | if (opt_kernel) { |
935 | ret = list_kernel_events(); | |
936 | if (ret < 0) { | |
6191db77 | 937 | ret = CMD_ERROR; |
9f19cc17 DG |
938 | goto end; |
939 | } | |
b551a063 DG |
940 | } |
941 | if (opt_userspace) { | |
f37d259d MD |
942 | if (opt_fields) { |
943 | ret = list_ust_event_fields(); | |
944 | } else { | |
945 | ret = list_ust_events(); | |
946 | } | |
9f19cc17 | 947 | if (ret < 0) { |
6191db77 | 948 | ret = CMD_ERROR; |
9f19cc17 DG |
949 | goto end; |
950 | } | |
951 | } | |
3c6a091f DG |
952 | if (opt_jul) { |
953 | ret = list_jul_events(); | |
954 | if (ret < 0) { | |
955 | ret = CMD_ERROR; | |
956 | goto end; | |
957 | } | |
958 | } | |
9f19cc17 DG |
959 | } else { |
960 | /* List session attributes */ | |
961 | ret = list_sessions(session_name); | |
b6913340 | 962 | if (ret != 0) { |
9f19cc17 DG |
963 | goto end; |
964 | } | |
965 | ||
966 | /* Domain listing */ | |
967 | if (opt_domain) { | |
330be774 | 968 | ret = list_domains(session_name); |
9f19cc17 DG |
969 | goto end; |
970 | } | |
971 | ||
1c3de747 | 972 | if (opt_kernel || opt_userspace) { |
9f19cc17 | 973 | /* Channel listing */ |
cd80958d | 974 | ret = list_channels(opt_channel); |
9f19cc17 DG |
975 | if (ret < 0) { |
976 | goto end; | |
977 | } | |
9f19cc17 | 978 | } else { |
c617c0c6 MD |
979 | int i, nb_domain; |
980 | ||
9f19cc17 | 981 | /* We want all domain(s) */ |
330be774 | 982 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 983 | if (nb_domain < 0) { |
67635185 | 984 | ret = nb_domain; |
60e835ca | 985 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
986 | goto end; |
987 | } | |
988 | ||
b551a063 | 989 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
990 | switch (domains[i].type) { |
991 | case LTTNG_DOMAIN_KERNEL: | |
992 | MSG("=== Domain: Kernel ===\n"); | |
993 | break; | |
b551a063 DG |
994 | case LTTNG_DOMAIN_UST: |
995 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
996 | MSG("Buffer type: %s\n", |
997 | domains[i].buf_type == | |
998 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 999 | break; |
3c6a091f DG |
1000 | case LTTNG_DOMAIN_JUL: |
1001 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1002 | break; | |
9f19cc17 DG |
1003 | default: |
1004 | MSG("=== Domain: Unimplemented ===\n"); | |
1005 | break; | |
1006 | } | |
1007 | ||
cd80958d | 1008 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1009 | if (handle) { |
1010 | lttng_destroy_handle(handle); | |
1011 | } | |
cd80958d DG |
1012 | |
1013 | handle = lttng_create_handle(session_name, &domains[i]); | |
1014 | if (handle == NULL) { | |
ca1c3607 | 1015 | ret = CMD_FATAL; |
cd80958d DG |
1016 | goto end; |
1017 | } | |
1018 | ||
3c6a091f DG |
1019 | if (domains[i].type == LTTNG_DOMAIN_JUL) { |
1020 | ret = list_session_jul_events(); | |
1021 | if (ret < 0) { | |
1022 | goto end; | |
1023 | } | |
1024 | continue; | |
1025 | } | |
1026 | ||
cd80958d | 1027 | ret = list_channels(opt_channel); |
9f19cc17 DG |
1028 | if (ret < 0) { |
1029 | goto end; | |
1030 | } | |
1031 | } | |
1032 | } | |
f3ed775e DG |
1033 | } |
1034 | ||
1035 | end: | |
0e428499 | 1036 | free(domains); |
aa5de748 MD |
1037 | if (handle) { |
1038 | lttng_destroy_handle(handle); | |
1039 | } | |
cd80958d | 1040 | |
ca1c3607 | 1041 | poptFreeContext(pc); |
f3ed775e DG |
1042 | return ret; |
1043 | } |