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; | |
3190ce43 | 110 | char path[20]; /* Can't go bigger than /proc/65535/cmdline */ |
f3ed775e DG |
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 | ||
a755f7e5 DG |
220 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
221 | { | |
222 | switch (value) { | |
2b9d3a5d DG |
223 | case LTTNG_EVENT_LOGLEVEL_ALL: |
224 | return ":"; | |
a755f7e5 | 225 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
2b9d3a5d | 226 | return " <="; |
a755f7e5 | 227 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
2b9d3a5d | 228 | return " =="; |
a755f7e5 | 229 | default: |
2b9d3a5d | 230 | return " <<TYPE UNKN>>"; |
a755f7e5 DG |
231 | } |
232 | } | |
233 | ||
b551a063 DG |
234 | /* |
235 | * Pretty print single event. | |
236 | */ | |
237 | static void print_events(struct lttng_event *event) | |
238 | { | |
239 | switch (event->type) { | |
240 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 241 | { |
8b703175 | 242 | if (event->loglevel != -1) { |
2b9d3a5d | 243 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 244 | indent6, |
81afa345 | 245 | event->name, |
a755f7e5 | 246 | logleveltype_string(event->loglevel_type), |
8005f29a | 247 | loglevel_string(event->loglevel), |
8b703175 | 248 | event->loglevel, |
fceb65df | 249 | enabled_string(event->enabled), |
4634f12e | 250 | exclusion_string(event->exclusion), |
fceb65df | 251 | filter_string(event->filter)); |
8b703175 | 252 | } else { |
4634f12e | 253 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
254 | indent6, |
255 | event->name, | |
fceb65df | 256 | enabled_string(event->enabled), |
4634f12e | 257 | exclusion_string(event->exclusion), |
fceb65df | 258 | filter_string(event->filter)); |
8b703175 | 259 | } |
b551a063 | 260 | break; |
e4baff1e | 261 | } |
1896972b DG |
262 | case LTTNG_EVENT_FUNCTION: |
263 | MSG("%s%s (type: function)%s%s", indent6, | |
264 | event->name, enabled_string(event->enabled), | |
265 | filter_string(event->filter)); | |
266 | if (event->attr.probe.addr != 0) { | |
267 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
268 | } else { | |
269 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
270 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
271 | } | |
272 | break; | |
b551a063 | 273 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
274 | MSG("%s%s (type: probe)%s%s", indent6, |
275 | event->name, enabled_string(event->enabled), | |
276 | filter_string(event->filter)); | |
b551a063 DG |
277 | if (event->attr.probe.addr != 0) { |
278 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
279 | } else { | |
280 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
281 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
282 | } | |
283 | break; | |
b551a063 | 284 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
285 | MSG("%s%s (type: function)%s%s", indent6, |
286 | event->name, enabled_string(event->enabled), | |
287 | filter_string(event->filter)); | |
b551a063 DG |
288 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
289 | break; | |
290 | case LTTNG_EVENT_SYSCALL: | |
fceb65df MD |
291 | MSG("%ssyscalls (type: syscall)%s%s", indent6, |
292 | enabled_string(event->enabled), | |
293 | filter_string(event->filter)); | |
b551a063 DG |
294 | break; |
295 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
296 | MSG("%s (type: noop)%s%s", indent6, |
297 | enabled_string(event->enabled), | |
298 | filter_string(event->filter)); | |
b551a063 DG |
299 | break; |
300 | case LTTNG_EVENT_ALL: | |
301 | /* We should never have "all" events in list. */ | |
302 | assert(0); | |
303 | break; | |
304 | } | |
305 | } | |
306 | ||
f37d259d MD |
307 | static const char *field_type(struct lttng_event_field *field) |
308 | { | |
309 | switch(field->type) { | |
310 | case LTTNG_EVENT_FIELD_INTEGER: | |
311 | return "integer"; | |
312 | case LTTNG_EVENT_FIELD_ENUM: | |
313 | return "enum"; | |
314 | case LTTNG_EVENT_FIELD_FLOAT: | |
315 | return "float"; | |
316 | case LTTNG_EVENT_FIELD_STRING: | |
317 | return "string"; | |
318 | case LTTNG_EVENT_FIELD_OTHER: | |
319 | default: /* fall-through */ | |
320 | return "unknown"; | |
321 | } | |
322 | } | |
323 | ||
324 | /* | |
325 | * Pretty print single event fields. | |
326 | */ | |
327 | static void print_event_field(struct lttng_event_field *field) | |
328 | { | |
329 | if (!field->field_name[0]) { | |
330 | return; | |
331 | } | |
d8fbe2a9 | 332 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 333 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
334 | } |
335 | ||
3c6a091f DG |
336 | static int list_jul_events(void) |
337 | { | |
338 | int i, size; | |
339 | struct lttng_domain domain; | |
340 | struct lttng_handle *handle; | |
341 | struct lttng_event *event_list; | |
342 | pid_t cur_pid = 0; | |
343 | char *cmdline = NULL; | |
344 | ||
345 | DBG("Getting JUL tracing events"); | |
346 | ||
347 | memset(&domain, 0, sizeof(domain)); | |
348 | domain.type = LTTNG_DOMAIN_JUL; | |
349 | ||
350 | handle = lttng_create_handle(NULL, &domain); | |
351 | if (handle == NULL) { | |
352 | goto error; | |
353 | } | |
354 | ||
355 | size = lttng_list_tracepoints(handle, &event_list); | |
356 | if (size < 0) { | |
357 | ERR("Unable to list JUL events: %s", lttng_strerror(size)); | |
358 | lttng_destroy_handle(handle); | |
359 | return size; | |
360 | } | |
361 | ||
362 | MSG("JUL events (Logger name):\n-------------------------"); | |
363 | ||
364 | if (size == 0) { | |
365 | MSG("None"); | |
366 | } | |
367 | ||
368 | for (i = 0; i < size; i++) { | |
369 | if (cur_pid != event_list[i].pid) { | |
370 | cur_pid = event_list[i].pid; | |
371 | cmdline = get_cmdline_by_pid(cur_pid); | |
372 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
373 | free(cmdline); | |
374 | } | |
375 | MSG("%s- %s", indent6, event_list[i].name); | |
376 | } | |
377 | ||
378 | MSG(""); | |
379 | ||
380 | free(event_list); | |
381 | lttng_destroy_handle(handle); | |
382 | ||
383 | return CMD_SUCCESS; | |
384 | ||
385 | error: | |
386 | lttng_destroy_handle(handle); | |
387 | return -1; | |
388 | } | |
389 | ||
b551a063 DG |
390 | /* |
391 | * Ask session daemon for all user space tracepoints available. | |
392 | */ | |
393 | static int list_ust_events(void) | |
394 | { | |
395 | int i, size; | |
396 | struct lttng_domain domain; | |
397 | struct lttng_handle *handle; | |
398 | struct lttng_event *event_list; | |
399 | pid_t cur_pid = 0; | |
ea5cbc00 | 400 | char *cmdline = NULL; |
b551a063 | 401 | |
441c16a7 MD |
402 | memset(&domain, 0, sizeof(domain)); |
403 | ||
b551a063 DG |
404 | DBG("Getting UST tracing events"); |
405 | ||
406 | domain.type = LTTNG_DOMAIN_UST; | |
407 | ||
408 | handle = lttng_create_handle(NULL, &domain); | |
409 | if (handle == NULL) { | |
410 | goto error; | |
411 | } | |
412 | ||
413 | size = lttng_list_tracepoints(handle, &event_list); | |
414 | if (size < 0) { | |
60e835ca | 415 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
ef021732 | 416 | lttng_destroy_handle(handle); |
b551a063 DG |
417 | return size; |
418 | } | |
419 | ||
420 | MSG("UST events:\n-------------"); | |
421 | ||
422 | if (size == 0) { | |
423 | MSG("None"); | |
424 | } | |
425 | ||
426 | for (i = 0; i < size; i++) { | |
427 | if (cur_pid != event_list[i].pid) { | |
428 | cur_pid = event_list[i].pid; | |
ea5cbc00 CB |
429 | cmdline = get_cmdline_by_pid(cur_pid); |
430 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
431 | free(cmdline); | |
b551a063 DG |
432 | } |
433 | print_events(&event_list[i]); | |
434 | } | |
435 | ||
436 | MSG(""); | |
437 | ||
438 | free(event_list); | |
ef021732 | 439 | lttng_destroy_handle(handle); |
b551a063 DG |
440 | |
441 | return CMD_SUCCESS; | |
442 | ||
443 | error: | |
ef021732 | 444 | lttng_destroy_handle(handle); |
b551a063 DG |
445 | return -1; |
446 | } | |
f3ed775e | 447 | |
f37d259d MD |
448 | /* |
449 | * Ask session daemon for all user space tracepoint fields available. | |
450 | */ | |
451 | static int list_ust_event_fields(void) | |
452 | { | |
453 | int i, size; | |
454 | struct lttng_domain domain; | |
455 | struct lttng_handle *handle; | |
456 | struct lttng_event_field *event_field_list; | |
457 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
458 | char *cmdline = NULL; |
459 | ||
f37d259d MD |
460 | struct lttng_event cur_event; |
461 | ||
462 | memset(&domain, 0, sizeof(domain)); | |
463 | memset(&cur_event, 0, sizeof(cur_event)); | |
464 | ||
465 | DBG("Getting UST tracing event fields"); | |
466 | ||
467 | domain.type = LTTNG_DOMAIN_UST; | |
468 | ||
469 | handle = lttng_create_handle(NULL, &domain); | |
470 | if (handle == NULL) { | |
471 | goto error; | |
472 | } | |
473 | ||
474 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
475 | if (size < 0) { | |
60e835ca | 476 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
f37d259d MD |
477 | lttng_destroy_handle(handle); |
478 | return size; | |
479 | } | |
480 | ||
481 | MSG("UST events:\n-------------"); | |
482 | ||
483 | if (size == 0) { | |
484 | MSG("None"); | |
485 | } | |
486 | ||
487 | for (i = 0; i < size; i++) { | |
488 | if (cur_pid != event_field_list[i].event.pid) { | |
489 | cur_pid = event_field_list[i].event.pid; | |
ea5cbc00 CB |
490 | cmdline = get_cmdline_by_pid(cur_pid); |
491 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
492 | free(cmdline); | |
dd205cb0 DG |
493 | /* Wipe current event since we are about to print a new PID. */ |
494 | memset(&cur_event, 0, sizeof(cur_event)); | |
f37d259d MD |
495 | } |
496 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
497 | print_events(&event_field_list[i].event); | |
498 | memcpy(&cur_event, &event_field_list[i].event, | |
499 | sizeof(cur_event)); | |
500 | } | |
501 | print_event_field(&event_field_list[i]); | |
502 | } | |
503 | ||
504 | MSG(""); | |
505 | ||
506 | free(event_field_list); | |
507 | lttng_destroy_handle(handle); | |
508 | ||
509 | return CMD_SUCCESS; | |
510 | ||
511 | error: | |
512 | lttng_destroy_handle(handle); | |
513 | return -1; | |
514 | } | |
515 | ||
f3ed775e | 516 | /* |
9f19cc17 | 517 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 518 | */ |
9f19cc17 | 519 | static int list_kernel_events(void) |
f3ed775e | 520 | { |
9f19cc17 | 521 | int i, size; |
b551a063 DG |
522 | struct lttng_domain domain; |
523 | struct lttng_handle *handle; | |
9f19cc17 | 524 | struct lttng_event *event_list; |
f3ed775e | 525 | |
441c16a7 MD |
526 | memset(&domain, 0, sizeof(domain)); |
527 | ||
b551a063 DG |
528 | DBG("Getting kernel tracing events"); |
529 | ||
530 | domain.type = LTTNG_DOMAIN_KERNEL; | |
531 | ||
532 | handle = lttng_create_handle(NULL, &domain); | |
533 | if (handle == NULL) { | |
534 | goto error; | |
535 | } | |
f3ed775e | 536 | |
cd80958d | 537 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 538 | if (size < 0) { |
60e835ca | 539 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 540 | lttng_destroy_handle(handle); |
9f19cc17 | 541 | return size; |
f3ed775e DG |
542 | } |
543 | ||
9f19cc17 | 544 | MSG("Kernel events:\n-------------"); |
f3ed775e | 545 | |
9f19cc17 | 546 | for (i = 0; i < size; i++) { |
b551a063 | 547 | print_events(&event_list[i]); |
f3ed775e DG |
548 | } |
549 | ||
b551a063 DG |
550 | MSG(""); |
551 | ||
f3ed775e DG |
552 | free(event_list); |
553 | ||
ef021732 | 554 | lttng_destroy_handle(handle); |
f3ed775e | 555 | return CMD_SUCCESS; |
b551a063 DG |
556 | |
557 | error: | |
ef021732 | 558 | lttng_destroy_handle(handle); |
b551a063 | 559 | return -1; |
f3ed775e DG |
560 | } |
561 | ||
3c6a091f DG |
562 | /* |
563 | * List JUL events for a specific session using the handle. | |
564 | * | |
565 | * Return CMD_SUCCESS on success else a negative value. | |
566 | */ | |
567 | static int list_session_jul_events(void) | |
568 | { | |
569 | int ret, count, i; | |
570 | struct lttng_event *events = NULL; | |
571 | ||
572 | count = lttng_list_events(handle, "", &events); | |
573 | if (count < 0) { | |
574 | ret = count; | |
575 | ERR("%s", lttng_strerror(ret)); | |
576 | goto error; | |
577 | } | |
578 | ||
579 | MSG("Events (Logger name):\n---------------------"); | |
580 | if (count == 0) { | |
581 | MSG("%sNone\n", indent6); | |
582 | goto end; | |
583 | } | |
584 | ||
585 | for (i = 0; i < count; i++) { | |
586 | MSG("%s- %s%s", indent4, events[i].name, | |
587 | enabled_string(events[i].enabled)); | |
588 | } | |
589 | ||
590 | MSG(""); | |
591 | ||
592 | end: | |
593 | free(events); | |
594 | ret = CMD_SUCCESS; | |
595 | ||
596 | error: | |
597 | return ret; | |
598 | } | |
599 | ||
f3ed775e | 600 | /* |
9f19cc17 | 601 | * List events of channel of session and domain. |
f3ed775e | 602 | */ |
cd80958d | 603 | static int list_events(const char *channel_name) |
f3ed775e DG |
604 | { |
605 | int ret, count, i; | |
9f19cc17 | 606 | struct lttng_event *events = NULL; |
f3ed775e | 607 | |
cd80958d | 608 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
609 | if (count < 0) { |
610 | ret = count; | |
60e835ca | 611 | ERR("%s", lttng_strerror(ret)); |
f3ed775e DG |
612 | goto error; |
613 | } | |
614 | ||
9f19cc17 DG |
615 | MSG("\n%sEvents:", indent4); |
616 | if (count == 0) { | |
5edd7e09 | 617 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
618 | goto end; |
619 | } | |
620 | ||
f3ed775e | 621 | for (i = 0; i < count; i++) { |
b551a063 | 622 | print_events(&events[i]); |
f3ed775e DG |
623 | } |
624 | ||
9f19cc17 | 625 | MSG(""); |
f3ed775e | 626 | |
9f19cc17 | 627 | end: |
0e428499 | 628 | free(events); |
9f19cc17 | 629 | ret = CMD_SUCCESS; |
f3ed775e DG |
630 | |
631 | error: | |
632 | return ret; | |
633 | } | |
634 | ||
635 | /* | |
9f19cc17 DG |
636 | * Pretty print channel |
637 | */ | |
638 | static void print_channel(struct lttng_channel *channel) | |
639 | { | |
464dd62d | 640 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
641 | |
642 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
643 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
644 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 645 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
646 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
647 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
9f19cc17 DG |
648 | switch (channel->attr.output) { |
649 | case LTTNG_EVENT_SPLICE: | |
650 | MSG("%soutput: splice()", indent6); | |
651 | break; | |
652 | case LTTNG_EVENT_MMAP: | |
653 | MSG("%soutput: mmap()", indent6); | |
654 | break; | |
655 | } | |
656 | } | |
657 | ||
658 | /* | |
659 | * List channel(s) of session and domain. | |
f3ed775e | 660 | * |
9f19cc17 | 661 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 662 | */ |
cd80958d | 663 | static int list_channels(const char *channel_name) |
f3ed775e | 664 | { |
9f19cc17 DG |
665 | int count, i, ret = CMD_SUCCESS; |
666 | unsigned int chan_found = 0; | |
667 | struct lttng_channel *channels = NULL; | |
f3ed775e | 668 | |
3e25cb20 | 669 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 670 | |
cd80958d | 671 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 672 | if (count < 0) { |
c7d620a2 DG |
673 | switch (-count) { |
674 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
675 | ret = CMD_SUCCESS; | |
676 | WARN("No kernel channel"); | |
677 | break; | |
678 | default: | |
679 | /* We had a real error */ | |
680 | ret = count; | |
681 | ERR("%s", lttng_strerror(ret)); | |
60e835ca | 682 | break; |
c7d620a2 | 683 | } |
ae856491 | 684 | goto error_channels; |
f3ed775e DG |
685 | } |
686 | ||
9f19cc17 DG |
687 | if (channel_name == NULL) { |
688 | MSG("Channels:\n-------------"); | |
689 | } | |
690 | ||
691 | for (i = 0; i < count; i++) { | |
692 | if (channel_name != NULL) { | |
693 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
694 | chan_found = 1; | |
695 | } else { | |
696 | continue; | |
697 | } | |
698 | } | |
699 | print_channel(&channels[i]); | |
700 | ||
701 | /* Listing events per channel */ | |
cd80958d | 702 | ret = list_events(channels[i].name); |
9f19cc17 | 703 | if (ret < 0) { |
60e835ca | 704 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
705 | } |
706 | ||
707 | if (chan_found) { | |
708 | break; | |
f3ed775e | 709 | } |
f3ed775e DG |
710 | } |
711 | ||
9f19cc17 | 712 | if (!chan_found && channel_name != NULL) { |
ae856491 DG |
713 | ERR("Channel %s not found", channel_name); |
714 | goto error; | |
9f19cc17 | 715 | } |
f3ed775e | 716 | |
9f19cc17 | 717 | ret = CMD_SUCCESS; |
f3ed775e DG |
718 | |
719 | error: | |
ae856491 DG |
720 | free(channels); |
721 | ||
722 | error_channels: | |
f3ed775e DG |
723 | return ret; |
724 | } | |
725 | ||
726 | /* | |
9f19cc17 | 727 | * List available tracing session. List only basic information. |
f3ed775e | 728 | * |
9f19cc17 | 729 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 730 | */ |
9f19cc17 | 731 | static int list_sessions(const char *session_name) |
f3ed775e | 732 | { |
9f19cc17 DG |
733 | int ret, count, i; |
734 | unsigned int session_found = 0; | |
735 | struct lttng_session *sessions; | |
736 | ||
737 | count = lttng_list_sessions(&sessions); | |
738 | DBG("Session count %d", count); | |
739 | if (count < 0) { | |
740 | ret = count; | |
8f3f773f | 741 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 | 742 | goto error; |
d32fb093 DG |
743 | } else if (count == 0) { |
744 | MSG("Currently no available tracing session"); | |
745 | goto end; | |
9f19cc17 DG |
746 | } |
747 | ||
748 | if (session_name == NULL) { | |
749 | MSG("Available tracing sessions:"); | |
750 | } | |
751 | ||
752 | for (i = 0; i < count; i++) { | |
753 | if (session_name != NULL) { | |
754 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
755 | session_found = 1; | |
2cbf8fed DG |
756 | MSG("Tracing session %s: [%s%s]", session_name, |
757 | active_string(sessions[i].enabled), | |
758 | snapshot_string(sessions[i].snapshot_mode)); | |
9f19cc17 DG |
759 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
760 | break; | |
761 | } | |
3842aa86 | 762 | } else { |
2cbf8fed DG |
763 | MSG(" %d) %s (%s) [%s%s]", i + 1, sessions[i].name, sessions[i].path, |
764 | active_string(sessions[i].enabled), | |
765 | snapshot_string(sessions[i].snapshot_mode)); | |
9f19cc17 DG |
766 | } |
767 | } | |
768 | ||
769 | free(sessions); | |
770 | ||
771 | if (!session_found && session_name != NULL) { | |
b6913340 DG |
772 | ERR("Session '%s' not found", session_name); |
773 | ret = CMD_ERROR; | |
774 | goto error; | |
9f19cc17 DG |
775 | } |
776 | ||
777 | if (session_name == NULL) { | |
6e0de39b | 778 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 779 | } |
f3ed775e | 780 | |
d32fb093 | 781 | end: |
f3ed775e DG |
782 | return CMD_SUCCESS; |
783 | ||
784 | error: | |
785 | return ret; | |
786 | } | |
f3ed775e DG |
787 | |
788 | /* | |
9f19cc17 | 789 | * List available domain(s) for a session. |
f3ed775e | 790 | */ |
330be774 | 791 | static int list_domains(const char *session_name) |
f3ed775e | 792 | { |
9f19cc17 DG |
793 | int i, count, ret = CMD_SUCCESS; |
794 | struct lttng_domain *domains = NULL; | |
795 | ||
796 | MSG("Domains:\n-------------"); | |
797 | ||
330be774 | 798 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
799 | if (count < 0) { |
800 | ret = count; | |
60e835ca | 801 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
802 | goto error; |
803 | } else if (count == 0) { | |
804 | MSG(" None"); | |
805 | goto end; | |
806 | } | |
807 | ||
808 | for (i = 0; i < count; i++) { | |
809 | switch (domains[i].type) { | |
810 | case LTTNG_DOMAIN_KERNEL: | |
811 | MSG(" - Kernel"); | |
b551a063 DG |
812 | break; |
813 | case LTTNG_DOMAIN_UST: | |
814 | MSG(" - UST global"); | |
815 | break; | |
3c6a091f DG |
816 | case LTTNG_DOMAIN_JUL: |
817 | MSG(" - JUL (Java Util Logging)"); | |
818 | break; | |
9f19cc17 DG |
819 | default: |
820 | break; | |
821 | } | |
822 | } | |
823 | ||
824 | end: | |
825 | free(domains); | |
826 | ||
827 | error: | |
828 | return ret; | |
f3ed775e | 829 | } |
f3ed775e DG |
830 | |
831 | /* | |
9f19cc17 | 832 | * The 'list <options>' first level command |
f3ed775e DG |
833 | */ |
834 | int cmd_list(int argc, const char **argv) | |
835 | { | |
c617c0c6 | 836 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 837 | const char *session_name; |
f3ed775e | 838 | static poptContext pc; |
9f19cc17 DG |
839 | struct lttng_domain domain; |
840 | struct lttng_domain *domains = NULL; | |
f3ed775e | 841 | |
441c16a7 MD |
842 | memset(&domain, 0, sizeof(domain)); |
843 | ||
9f19cc17 | 844 | if (argc < 1) { |
f3ed775e | 845 | usage(stderr); |
ca1c3607 | 846 | ret = CMD_ERROR; |
f3ed775e DG |
847 | goto end; |
848 | } | |
849 | ||
850 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
851 | poptReadDefaultConfig(pc, 0); | |
852 | ||
853 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
854 | switch (opt) { | |
855 | case OPT_HELP: | |
ca1c3607 | 856 | usage(stdout); |
f3ed775e | 857 | goto end; |
eeac7d46 MD |
858 | case OPT_USERSPACE: |
859 | opt_userspace = 1; | |
eeac7d46 | 860 | break; |
679b4943 SM |
861 | case OPT_LIST_OPTIONS: |
862 | list_cmd_options(stdout, long_options); | |
679b4943 | 863 | goto end; |
f3ed775e DG |
864 | default: |
865 | usage(stderr); | |
866 | ret = CMD_UNDEFINED; | |
867 | goto end; | |
868 | } | |
869 | } | |
870 | ||
9f19cc17 DG |
871 | /* Get session name (trailing argument) */ |
872 | session_name = poptGetArg(pc); | |
b551a063 | 873 | DBG2("Session name: %s", session_name); |
9f19cc17 | 874 | |
cd80958d DG |
875 | if (opt_kernel) { |
876 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
877 | } else if (opt_userspace) { |
878 | DBG2("Listing userspace global domain"); | |
879 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
880 | } else if (opt_jul) { |
881 | DBG2("Listing JUL domain"); | |
882 | domain.type = LTTNG_DOMAIN_JUL; | |
cd80958d DG |
883 | } |
884 | ||
3c6a091f | 885 | if (opt_kernel || opt_userspace || opt_jul) { |
aa5de748 MD |
886 | handle = lttng_create_handle(session_name, &domain); |
887 | if (handle == NULL) { | |
888 | ret = CMD_FATAL; | |
889 | goto end; | |
890 | } | |
cd80958d DG |
891 | } |
892 | ||
9f19cc17 | 893 | if (session_name == NULL) { |
3c6a091f | 894 | if (!opt_kernel && !opt_userspace && !opt_jul) { |
b551a063 | 895 | ret = list_sessions(NULL); |
b6913340 | 896 | if (ret != 0) { |
b551a063 DG |
897 | goto end; |
898 | } | |
899 | } | |
9f19cc17 DG |
900 | if (opt_kernel) { |
901 | ret = list_kernel_events(); | |
902 | if (ret < 0) { | |
6191db77 | 903 | ret = CMD_ERROR; |
9f19cc17 DG |
904 | goto end; |
905 | } | |
b551a063 DG |
906 | } |
907 | if (opt_userspace) { | |
f37d259d MD |
908 | if (opt_fields) { |
909 | ret = list_ust_event_fields(); | |
910 | } else { | |
911 | ret = list_ust_events(); | |
912 | } | |
9f19cc17 | 913 | if (ret < 0) { |
6191db77 | 914 | ret = CMD_ERROR; |
9f19cc17 DG |
915 | goto end; |
916 | } | |
917 | } | |
3c6a091f DG |
918 | if (opt_jul) { |
919 | ret = list_jul_events(); | |
920 | if (ret < 0) { | |
921 | ret = CMD_ERROR; | |
922 | goto end; | |
923 | } | |
924 | } | |
9f19cc17 DG |
925 | } else { |
926 | /* List session attributes */ | |
927 | ret = list_sessions(session_name); | |
b6913340 | 928 | if (ret != 0) { |
9f19cc17 DG |
929 | goto end; |
930 | } | |
931 | ||
932 | /* Domain listing */ | |
933 | if (opt_domain) { | |
330be774 | 934 | ret = list_domains(session_name); |
9f19cc17 DG |
935 | goto end; |
936 | } | |
937 | ||
c523f006 | 938 | if (opt_kernel || opt_userspace) { |
9f19cc17 | 939 | /* Channel listing */ |
cd80958d | 940 | ret = list_channels(opt_channel); |
9f19cc17 DG |
941 | if (ret < 0) { |
942 | goto end; | |
943 | } | |
9f19cc17 | 944 | } else { |
c617c0c6 MD |
945 | int i, nb_domain; |
946 | ||
9f19cc17 | 947 | /* We want all domain(s) */ |
330be774 | 948 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 949 | if (nb_domain < 0) { |
67635185 | 950 | ret = nb_domain; |
60e835ca | 951 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
952 | goto end; |
953 | } | |
954 | ||
b551a063 | 955 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
956 | switch (domains[i].type) { |
957 | case LTTNG_DOMAIN_KERNEL: | |
958 | MSG("=== Domain: Kernel ===\n"); | |
959 | break; | |
b551a063 DG |
960 | case LTTNG_DOMAIN_UST: |
961 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
962 | MSG("Buffer type: %s\n", |
963 | domains[i].buf_type == | |
964 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 965 | break; |
3c6a091f DG |
966 | case LTTNG_DOMAIN_JUL: |
967 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
968 | break; | |
9f19cc17 DG |
969 | default: |
970 | MSG("=== Domain: Unimplemented ===\n"); | |
971 | break; | |
972 | } | |
973 | ||
cd80958d | 974 | /* Clean handle before creating a new one */ |
aa5de748 MD |
975 | if (handle) { |
976 | lttng_destroy_handle(handle); | |
977 | } | |
cd80958d DG |
978 | |
979 | handle = lttng_create_handle(session_name, &domains[i]); | |
980 | if (handle == NULL) { | |
ca1c3607 | 981 | ret = CMD_FATAL; |
cd80958d DG |
982 | goto end; |
983 | } | |
984 | ||
3c6a091f DG |
985 | if (domains[i].type == LTTNG_DOMAIN_JUL) { |
986 | ret = list_session_jul_events(); | |
987 | if (ret < 0) { | |
988 | goto end; | |
989 | } | |
990 | continue; | |
991 | } | |
992 | ||
cd80958d | 993 | ret = list_channels(opt_channel); |
9f19cc17 DG |
994 | if (ret < 0) { |
995 | goto end; | |
996 | } | |
997 | } | |
998 | } | |
f3ed775e DG |
999 | } |
1000 | ||
1001 | end: | |
0e428499 | 1002 | free(domains); |
aa5de748 MD |
1003 | if (handle) { |
1004 | lttng_destroy_handle(handle); | |
1005 | } | |
cd80958d | 1006 | |
ca1c3607 | 1007 | poptFreeContext(pc); |
f3ed775e DG |
1008 | return ret; |
1009 | } |