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); | |
17ba9d6c JG |
120 | if (!cmdline) { |
121 | perror("malloc cmdline"); | |
122 | goto end; | |
123 | } | |
f3ed775e | 124 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 DG |
125 | if (ret < 0) { |
126 | perror("fread proc list"); | |
127 | } | |
f3ed775e DG |
128 | fclose(fp); |
129 | ||
130 | end: | |
131 | return cmdline; | |
132 | } | |
b551a063 | 133 | |
464dd62d MD |
134 | static |
135 | const char *active_string(int value) | |
136 | { | |
137 | switch (value) { | |
2cbf8fed DG |
138 | case 0: return "inactive"; |
139 | case 1: return "active"; | |
464dd62d MD |
140 | case -1: return ""; |
141 | default: return NULL; | |
142 | } | |
143 | } | |
144 | ||
2cbf8fed DG |
145 | static const char *snapshot_string(int value) |
146 | { | |
147 | switch (value) { | |
148 | case 1: | |
149 | return " snapshot"; | |
150 | default: | |
151 | return ""; | |
152 | } | |
153 | } | |
154 | ||
464dd62d MD |
155 | static |
156 | const char *enabled_string(int value) | |
157 | { | |
158 | switch (value) { | |
b09f0429 MD |
159 | case 0: return " [disabled]"; |
160 | case 1: return " [enabled]"; | |
464dd62d MD |
161 | case -1: return ""; |
162 | default: return NULL; | |
163 | } | |
164 | } | |
165 | ||
fceb65df MD |
166 | static |
167 | const char *filter_string(int value) | |
168 | { | |
169 | switch (value) { | |
170 | case 1: return " [with filter]"; | |
171 | default: return ""; | |
172 | } | |
173 | } | |
174 | ||
4634f12e JI |
175 | static |
176 | const char *exclusion_string(int value) | |
177 | { | |
178 | switch (value) { | |
179 | case 1: return " [has exclusions]"; | |
180 | default: return ""; | |
181 | } | |
182 | } | |
183 | ||
8005f29a MD |
184 | static const char *loglevel_string(int value) |
185 | { | |
186 | switch (value) { | |
255a5dab MD |
187 | case -1: |
188 | return ""; | |
189 | case LTTNG_LOGLEVEL_EMERG: | |
190 | return "TRACE_EMERG"; | |
191 | case LTTNG_LOGLEVEL_ALERT: | |
192 | return "TRACE_ALERT"; | |
193 | case LTTNG_LOGLEVEL_CRIT: | |
194 | return "TRACE_CRIT"; | |
195 | case LTTNG_LOGLEVEL_ERR: | |
196 | return "TRACE_ERR"; | |
197 | case LTTNG_LOGLEVEL_WARNING: | |
198 | return "TRACE_WARNING"; | |
199 | case LTTNG_LOGLEVEL_NOTICE: | |
200 | return "TRACE_NOTICE"; | |
201 | case LTTNG_LOGLEVEL_INFO: | |
202 | return "TRACE_INFO"; | |
203 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
204 | return "TRACE_DEBUG_SYSTEM"; | |
205 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
206 | return "TRACE_DEBUG_PROGRAM"; | |
207 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
208 | return "TRACE_DEBUG_PROCESS"; | |
209 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
210 | return "TRACE_DEBUG_MODULE"; | |
211 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
212 | return "TRACE_DEBUG_UNIT"; | |
213 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
214 | return "TRACE_DEBUG_FUNCTION"; | |
215 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
216 | return "TRACE_DEBUG_LINE"; | |
217 | case LTTNG_LOGLEVEL_DEBUG: | |
218 | return "TRACE_DEBUG"; | |
219 | default: | |
220 | return "<<UNKNOWN>>"; | |
8005f29a MD |
221 | } |
222 | } | |
223 | ||
a755f7e5 DG |
224 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
225 | { | |
226 | switch (value) { | |
2b9d3a5d DG |
227 | case LTTNG_EVENT_LOGLEVEL_ALL: |
228 | return ":"; | |
a755f7e5 | 229 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
2b9d3a5d | 230 | return " <="; |
a755f7e5 | 231 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
2b9d3a5d | 232 | return " =="; |
a755f7e5 | 233 | default: |
2b9d3a5d | 234 | return " <<TYPE UNKN>>"; |
a755f7e5 DG |
235 | } |
236 | } | |
237 | ||
b551a063 DG |
238 | /* |
239 | * Pretty print single event. | |
240 | */ | |
241 | static void print_events(struct lttng_event *event) | |
242 | { | |
243 | switch (event->type) { | |
244 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 245 | { |
8b703175 | 246 | if (event->loglevel != -1) { |
2b9d3a5d | 247 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 248 | indent6, |
81afa345 | 249 | event->name, |
a755f7e5 | 250 | logleveltype_string(event->loglevel_type), |
8005f29a | 251 | loglevel_string(event->loglevel), |
8b703175 | 252 | event->loglevel, |
fceb65df | 253 | enabled_string(event->enabled), |
4634f12e | 254 | exclusion_string(event->exclusion), |
fceb65df | 255 | filter_string(event->filter)); |
8b703175 | 256 | } else { |
4634f12e | 257 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
258 | indent6, |
259 | event->name, | |
fceb65df | 260 | enabled_string(event->enabled), |
4634f12e | 261 | exclusion_string(event->exclusion), |
fceb65df | 262 | filter_string(event->filter)); |
8b703175 | 263 | } |
b551a063 | 264 | break; |
e4baff1e | 265 | } |
1896972b DG |
266 | case LTTNG_EVENT_FUNCTION: |
267 | MSG("%s%s (type: function)%s%s", indent6, | |
268 | event->name, enabled_string(event->enabled), | |
269 | filter_string(event->filter)); | |
270 | if (event->attr.probe.addr != 0) { | |
271 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
272 | } else { | |
273 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
274 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
275 | } | |
276 | break; | |
b551a063 | 277 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
278 | MSG("%s%s (type: probe)%s%s", indent6, |
279 | event->name, enabled_string(event->enabled), | |
280 | filter_string(event->filter)); | |
b551a063 DG |
281 | if (event->attr.probe.addr != 0) { |
282 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
283 | } else { | |
284 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
285 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
286 | } | |
287 | break; | |
b551a063 | 288 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
289 | MSG("%s%s (type: function)%s%s", indent6, |
290 | event->name, enabled_string(event->enabled), | |
291 | filter_string(event->filter)); | |
b551a063 DG |
292 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
293 | break; | |
294 | case LTTNG_EVENT_SYSCALL: | |
fceb65df MD |
295 | MSG("%ssyscalls (type: syscall)%s%s", indent6, |
296 | enabled_string(event->enabled), | |
297 | filter_string(event->filter)); | |
b551a063 DG |
298 | break; |
299 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
300 | MSG("%s (type: noop)%s%s", indent6, |
301 | enabled_string(event->enabled), | |
302 | filter_string(event->filter)); | |
b551a063 DG |
303 | break; |
304 | case LTTNG_EVENT_ALL: | |
305 | /* We should never have "all" events in list. */ | |
306 | assert(0); | |
307 | break; | |
308 | } | |
309 | } | |
310 | ||
f37d259d MD |
311 | static const char *field_type(struct lttng_event_field *field) |
312 | { | |
313 | switch(field->type) { | |
314 | case LTTNG_EVENT_FIELD_INTEGER: | |
315 | return "integer"; | |
316 | case LTTNG_EVENT_FIELD_ENUM: | |
317 | return "enum"; | |
318 | case LTTNG_EVENT_FIELD_FLOAT: | |
319 | return "float"; | |
320 | case LTTNG_EVENT_FIELD_STRING: | |
321 | return "string"; | |
322 | case LTTNG_EVENT_FIELD_OTHER: | |
323 | default: /* fall-through */ | |
324 | return "unknown"; | |
325 | } | |
326 | } | |
327 | ||
328 | /* | |
329 | * Pretty print single event fields. | |
330 | */ | |
331 | static void print_event_field(struct lttng_event_field *field) | |
332 | { | |
333 | if (!field->field_name[0]) { | |
334 | return; | |
335 | } | |
d8fbe2a9 | 336 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 337 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
338 | } |
339 | ||
3c6a091f DG |
340 | static int list_jul_events(void) |
341 | { | |
342 | int i, size; | |
343 | struct lttng_domain domain; | |
344 | struct lttng_handle *handle; | |
345 | struct lttng_event *event_list; | |
346 | pid_t cur_pid = 0; | |
347 | char *cmdline = NULL; | |
348 | ||
349 | DBG("Getting JUL tracing events"); | |
350 | ||
351 | memset(&domain, 0, sizeof(domain)); | |
352 | domain.type = LTTNG_DOMAIN_JUL; | |
353 | ||
354 | handle = lttng_create_handle(NULL, &domain); | |
355 | if (handle == NULL) { | |
356 | goto error; | |
357 | } | |
358 | ||
359 | size = lttng_list_tracepoints(handle, &event_list); | |
360 | if (size < 0) { | |
361 | ERR("Unable to list JUL events: %s", lttng_strerror(size)); | |
362 | lttng_destroy_handle(handle); | |
363 | return size; | |
364 | } | |
365 | ||
366 | MSG("JUL events (Logger name):\n-------------------------"); | |
367 | ||
368 | if (size == 0) { | |
369 | MSG("None"); | |
370 | } | |
371 | ||
372 | for (i = 0; i < size; i++) { | |
373 | if (cur_pid != event_list[i].pid) { | |
374 | cur_pid = event_list[i].pid; | |
375 | cmdline = get_cmdline_by_pid(cur_pid); | |
376 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
377 | free(cmdline); | |
378 | } | |
379 | MSG("%s- %s", indent6, event_list[i].name); | |
380 | } | |
381 | ||
382 | MSG(""); | |
383 | ||
384 | free(event_list); | |
385 | lttng_destroy_handle(handle); | |
386 | ||
387 | return CMD_SUCCESS; | |
388 | ||
389 | error: | |
390 | lttng_destroy_handle(handle); | |
391 | return -1; | |
392 | } | |
393 | ||
b551a063 DG |
394 | /* |
395 | * Ask session daemon for all user space tracepoints available. | |
396 | */ | |
397 | static int list_ust_events(void) | |
398 | { | |
399 | int i, size; | |
400 | struct lttng_domain domain; | |
401 | struct lttng_handle *handle; | |
402 | struct lttng_event *event_list; | |
403 | pid_t cur_pid = 0; | |
ea5cbc00 | 404 | char *cmdline = NULL; |
b551a063 | 405 | |
441c16a7 MD |
406 | memset(&domain, 0, sizeof(domain)); |
407 | ||
b551a063 DG |
408 | DBG("Getting UST tracing events"); |
409 | ||
410 | domain.type = LTTNG_DOMAIN_UST; | |
411 | ||
412 | handle = lttng_create_handle(NULL, &domain); | |
413 | if (handle == NULL) { | |
414 | goto error; | |
415 | } | |
416 | ||
417 | size = lttng_list_tracepoints(handle, &event_list); | |
418 | if (size < 0) { | |
60e835ca | 419 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
ef021732 | 420 | lttng_destroy_handle(handle); |
b551a063 DG |
421 | return size; |
422 | } | |
423 | ||
424 | MSG("UST events:\n-------------"); | |
425 | ||
426 | if (size == 0) { | |
427 | MSG("None"); | |
428 | } | |
429 | ||
430 | for (i = 0; i < size; i++) { | |
431 | if (cur_pid != event_list[i].pid) { | |
432 | cur_pid = event_list[i].pid; | |
ea5cbc00 CB |
433 | cmdline = get_cmdline_by_pid(cur_pid); |
434 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
435 | free(cmdline); | |
b551a063 DG |
436 | } |
437 | print_events(&event_list[i]); | |
438 | } | |
439 | ||
440 | MSG(""); | |
441 | ||
442 | free(event_list); | |
ef021732 | 443 | lttng_destroy_handle(handle); |
b551a063 DG |
444 | |
445 | return CMD_SUCCESS; | |
446 | ||
447 | error: | |
ef021732 | 448 | lttng_destroy_handle(handle); |
b551a063 DG |
449 | return -1; |
450 | } | |
f3ed775e | 451 | |
f37d259d MD |
452 | /* |
453 | * Ask session daemon for all user space tracepoint fields available. | |
454 | */ | |
455 | static int list_ust_event_fields(void) | |
456 | { | |
457 | int i, size; | |
458 | struct lttng_domain domain; | |
459 | struct lttng_handle *handle; | |
460 | struct lttng_event_field *event_field_list; | |
461 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
462 | char *cmdline = NULL; |
463 | ||
f37d259d MD |
464 | struct lttng_event cur_event; |
465 | ||
466 | memset(&domain, 0, sizeof(domain)); | |
467 | memset(&cur_event, 0, sizeof(cur_event)); | |
468 | ||
469 | DBG("Getting UST tracing event fields"); | |
470 | ||
471 | domain.type = LTTNG_DOMAIN_UST; | |
472 | ||
473 | handle = lttng_create_handle(NULL, &domain); | |
474 | if (handle == NULL) { | |
475 | goto error; | |
476 | } | |
477 | ||
478 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
479 | if (size < 0) { | |
60e835ca | 480 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
f37d259d MD |
481 | lttng_destroy_handle(handle); |
482 | return size; | |
483 | } | |
484 | ||
485 | MSG("UST events:\n-------------"); | |
486 | ||
487 | if (size == 0) { | |
488 | MSG("None"); | |
489 | } | |
490 | ||
491 | for (i = 0; i < size; i++) { | |
492 | if (cur_pid != event_field_list[i].event.pid) { | |
493 | cur_pid = event_field_list[i].event.pid; | |
ea5cbc00 CB |
494 | cmdline = get_cmdline_by_pid(cur_pid); |
495 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
496 | free(cmdline); | |
dd205cb0 DG |
497 | /* Wipe current event since we are about to print a new PID. */ |
498 | memset(&cur_event, 0, sizeof(cur_event)); | |
f37d259d MD |
499 | } |
500 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
501 | print_events(&event_field_list[i].event); | |
502 | memcpy(&cur_event, &event_field_list[i].event, | |
503 | sizeof(cur_event)); | |
504 | } | |
505 | print_event_field(&event_field_list[i]); | |
506 | } | |
507 | ||
508 | MSG(""); | |
509 | ||
510 | free(event_field_list); | |
511 | lttng_destroy_handle(handle); | |
512 | ||
513 | return CMD_SUCCESS; | |
514 | ||
515 | error: | |
516 | lttng_destroy_handle(handle); | |
517 | return -1; | |
518 | } | |
519 | ||
f3ed775e | 520 | /* |
9f19cc17 | 521 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 522 | */ |
9f19cc17 | 523 | static int list_kernel_events(void) |
f3ed775e | 524 | { |
9f19cc17 | 525 | int i, size; |
b551a063 DG |
526 | struct lttng_domain domain; |
527 | struct lttng_handle *handle; | |
9f19cc17 | 528 | struct lttng_event *event_list; |
f3ed775e | 529 | |
441c16a7 MD |
530 | memset(&domain, 0, sizeof(domain)); |
531 | ||
b551a063 DG |
532 | DBG("Getting kernel tracing events"); |
533 | ||
534 | domain.type = LTTNG_DOMAIN_KERNEL; | |
535 | ||
536 | handle = lttng_create_handle(NULL, &domain); | |
537 | if (handle == NULL) { | |
538 | goto error; | |
539 | } | |
f3ed775e | 540 | |
cd80958d | 541 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 542 | if (size < 0) { |
60e835ca | 543 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 544 | lttng_destroy_handle(handle); |
9f19cc17 | 545 | return size; |
f3ed775e DG |
546 | } |
547 | ||
9f19cc17 | 548 | MSG("Kernel events:\n-------------"); |
f3ed775e | 549 | |
9f19cc17 | 550 | for (i = 0; i < size; i++) { |
b551a063 | 551 | print_events(&event_list[i]); |
f3ed775e DG |
552 | } |
553 | ||
b551a063 DG |
554 | MSG(""); |
555 | ||
f3ed775e DG |
556 | free(event_list); |
557 | ||
ef021732 | 558 | lttng_destroy_handle(handle); |
f3ed775e | 559 | return CMD_SUCCESS; |
b551a063 DG |
560 | |
561 | error: | |
ef021732 | 562 | lttng_destroy_handle(handle); |
b551a063 | 563 | return -1; |
f3ed775e DG |
564 | } |
565 | ||
3c6a091f DG |
566 | /* |
567 | * List JUL events for a specific session using the handle. | |
568 | * | |
569 | * Return CMD_SUCCESS on success else a negative value. | |
570 | */ | |
571 | static int list_session_jul_events(void) | |
572 | { | |
573 | int ret, count, i; | |
574 | struct lttng_event *events = NULL; | |
575 | ||
576 | count = lttng_list_events(handle, "", &events); | |
577 | if (count < 0) { | |
578 | ret = count; | |
579 | ERR("%s", lttng_strerror(ret)); | |
580 | goto error; | |
581 | } | |
582 | ||
583 | MSG("Events (Logger name):\n---------------------"); | |
584 | if (count == 0) { | |
585 | MSG("%sNone\n", indent6); | |
586 | goto end; | |
587 | } | |
588 | ||
589 | for (i = 0; i < count; i++) { | |
590 | MSG("%s- %s%s", indent4, events[i].name, | |
591 | enabled_string(events[i].enabled)); | |
592 | } | |
593 | ||
594 | MSG(""); | |
595 | ||
596 | end: | |
597 | free(events); | |
598 | ret = CMD_SUCCESS; | |
599 | ||
600 | error: | |
601 | return ret; | |
602 | } | |
603 | ||
f3ed775e | 604 | /* |
9f19cc17 | 605 | * List events of channel of session and domain. |
f3ed775e | 606 | */ |
cd80958d | 607 | static int list_events(const char *channel_name) |
f3ed775e DG |
608 | { |
609 | int ret, count, i; | |
9f19cc17 | 610 | struct lttng_event *events = NULL; |
f3ed775e | 611 | |
cd80958d | 612 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
613 | if (count < 0) { |
614 | ret = count; | |
60e835ca | 615 | ERR("%s", lttng_strerror(ret)); |
f3ed775e DG |
616 | goto error; |
617 | } | |
618 | ||
9f19cc17 DG |
619 | MSG("\n%sEvents:", indent4); |
620 | if (count == 0) { | |
5edd7e09 | 621 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
622 | goto end; |
623 | } | |
624 | ||
f3ed775e | 625 | for (i = 0; i < count; i++) { |
b551a063 | 626 | print_events(&events[i]); |
f3ed775e DG |
627 | } |
628 | ||
9f19cc17 | 629 | MSG(""); |
f3ed775e | 630 | |
9f19cc17 | 631 | end: |
0e428499 | 632 | free(events); |
9f19cc17 | 633 | ret = CMD_SUCCESS; |
f3ed775e DG |
634 | |
635 | error: | |
636 | return ret; | |
637 | } | |
638 | ||
639 | /* | |
9f19cc17 DG |
640 | * Pretty print channel |
641 | */ | |
642 | static void print_channel(struct lttng_channel *channel) | |
643 | { | |
464dd62d | 644 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
645 | |
646 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
647 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
648 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 649 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
650 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
651 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
9f19cc17 DG |
652 | switch (channel->attr.output) { |
653 | case LTTNG_EVENT_SPLICE: | |
654 | MSG("%soutput: splice()", indent6); | |
655 | break; | |
656 | case LTTNG_EVENT_MMAP: | |
657 | MSG("%soutput: mmap()", indent6); | |
658 | break; | |
659 | } | |
660 | } | |
661 | ||
662 | /* | |
663 | * List channel(s) of session and domain. | |
f3ed775e | 664 | * |
9f19cc17 | 665 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 666 | */ |
cd80958d | 667 | static int list_channels(const char *channel_name) |
f3ed775e | 668 | { |
9f19cc17 DG |
669 | int count, i, ret = CMD_SUCCESS; |
670 | unsigned int chan_found = 0; | |
671 | struct lttng_channel *channels = NULL; | |
f3ed775e | 672 | |
3e25cb20 | 673 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 674 | |
cd80958d | 675 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 676 | if (count < 0) { |
c7d620a2 DG |
677 | switch (-count) { |
678 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
679 | ret = CMD_SUCCESS; | |
680 | WARN("No kernel channel"); | |
681 | break; | |
682 | default: | |
683 | /* We had a real error */ | |
684 | ret = count; | |
685 | ERR("%s", lttng_strerror(ret)); | |
60e835ca | 686 | break; |
c7d620a2 | 687 | } |
ae856491 | 688 | goto error_channels; |
f3ed775e DG |
689 | } |
690 | ||
9f19cc17 DG |
691 | if (channel_name == NULL) { |
692 | MSG("Channels:\n-------------"); | |
693 | } | |
694 | ||
695 | for (i = 0; i < count; i++) { | |
696 | if (channel_name != NULL) { | |
697 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
698 | chan_found = 1; | |
699 | } else { | |
700 | continue; | |
701 | } | |
702 | } | |
703 | print_channel(&channels[i]); | |
704 | ||
705 | /* Listing events per channel */ | |
cd80958d | 706 | ret = list_events(channels[i].name); |
9f19cc17 | 707 | if (ret < 0) { |
60e835ca | 708 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
709 | } |
710 | ||
711 | if (chan_found) { | |
712 | break; | |
f3ed775e | 713 | } |
f3ed775e DG |
714 | } |
715 | ||
9f19cc17 | 716 | if (!chan_found && channel_name != NULL) { |
ae856491 DG |
717 | ERR("Channel %s not found", channel_name); |
718 | goto error; | |
9f19cc17 | 719 | } |
f3ed775e | 720 | |
9f19cc17 | 721 | ret = CMD_SUCCESS; |
f3ed775e DG |
722 | |
723 | error: | |
ae856491 DG |
724 | free(channels); |
725 | ||
726 | error_channels: | |
f3ed775e DG |
727 | return ret; |
728 | } | |
729 | ||
730 | /* | |
9f19cc17 | 731 | * List available tracing session. List only basic information. |
f3ed775e | 732 | * |
9f19cc17 | 733 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 734 | */ |
9f19cc17 | 735 | static int list_sessions(const char *session_name) |
f3ed775e | 736 | { |
9f19cc17 DG |
737 | int ret, count, i; |
738 | unsigned int session_found = 0; | |
739 | struct lttng_session *sessions; | |
740 | ||
741 | count = lttng_list_sessions(&sessions); | |
742 | DBG("Session count %d", count); | |
743 | if (count < 0) { | |
744 | ret = count; | |
8f3f773f | 745 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 | 746 | goto error; |
d32fb093 DG |
747 | } else if (count == 0) { |
748 | MSG("Currently no available tracing session"); | |
749 | goto end; | |
9f19cc17 DG |
750 | } |
751 | ||
752 | if (session_name == NULL) { | |
753 | MSG("Available tracing sessions:"); | |
754 | } | |
755 | ||
756 | for (i = 0; i < count; i++) { | |
757 | if (session_name != NULL) { | |
758 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
759 | session_found = 1; | |
2cbf8fed DG |
760 | MSG("Tracing session %s: [%s%s]", session_name, |
761 | active_string(sessions[i].enabled), | |
762 | snapshot_string(sessions[i].snapshot_mode)); | |
9f19cc17 DG |
763 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
764 | break; | |
765 | } | |
3842aa86 | 766 | } else { |
2cbf8fed DG |
767 | MSG(" %d) %s (%s) [%s%s]", i + 1, sessions[i].name, sessions[i].path, |
768 | active_string(sessions[i].enabled), | |
769 | snapshot_string(sessions[i].snapshot_mode)); | |
9f19cc17 DG |
770 | } |
771 | } | |
772 | ||
773 | free(sessions); | |
774 | ||
775 | if (!session_found && session_name != NULL) { | |
b6913340 DG |
776 | ERR("Session '%s' not found", session_name); |
777 | ret = CMD_ERROR; | |
778 | goto error; | |
9f19cc17 DG |
779 | } |
780 | ||
781 | if (session_name == NULL) { | |
6e0de39b | 782 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 783 | } |
f3ed775e | 784 | |
d32fb093 | 785 | end: |
f3ed775e DG |
786 | return CMD_SUCCESS; |
787 | ||
788 | error: | |
789 | return ret; | |
790 | } | |
f3ed775e DG |
791 | |
792 | /* | |
9f19cc17 | 793 | * List available domain(s) for a session. |
f3ed775e | 794 | */ |
330be774 | 795 | static int list_domains(const char *session_name) |
f3ed775e | 796 | { |
9f19cc17 DG |
797 | int i, count, ret = CMD_SUCCESS; |
798 | struct lttng_domain *domains = NULL; | |
799 | ||
800 | MSG("Domains:\n-------------"); | |
801 | ||
330be774 | 802 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
803 | if (count < 0) { |
804 | ret = count; | |
60e835ca | 805 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
806 | goto error; |
807 | } else if (count == 0) { | |
808 | MSG(" None"); | |
809 | goto end; | |
810 | } | |
811 | ||
812 | for (i = 0; i < count; i++) { | |
813 | switch (domains[i].type) { | |
814 | case LTTNG_DOMAIN_KERNEL: | |
815 | MSG(" - Kernel"); | |
b551a063 DG |
816 | break; |
817 | case LTTNG_DOMAIN_UST: | |
818 | MSG(" - UST global"); | |
819 | break; | |
3c6a091f DG |
820 | case LTTNG_DOMAIN_JUL: |
821 | MSG(" - JUL (Java Util Logging)"); | |
822 | break; | |
9f19cc17 DG |
823 | default: |
824 | break; | |
825 | } | |
826 | } | |
827 | ||
828 | end: | |
829 | free(domains); | |
830 | ||
831 | error: | |
832 | return ret; | |
f3ed775e | 833 | } |
f3ed775e DG |
834 | |
835 | /* | |
9f19cc17 | 836 | * The 'list <options>' first level command |
f3ed775e DG |
837 | */ |
838 | int cmd_list(int argc, const char **argv) | |
839 | { | |
c617c0c6 | 840 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 841 | const char *session_name; |
f3ed775e | 842 | static poptContext pc; |
9f19cc17 DG |
843 | struct lttng_domain domain; |
844 | struct lttng_domain *domains = NULL; | |
f3ed775e | 845 | |
441c16a7 MD |
846 | memset(&domain, 0, sizeof(domain)); |
847 | ||
9f19cc17 | 848 | if (argc < 1) { |
f3ed775e | 849 | usage(stderr); |
ca1c3607 | 850 | ret = CMD_ERROR; |
f3ed775e DG |
851 | goto end; |
852 | } | |
853 | ||
854 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
855 | poptReadDefaultConfig(pc, 0); | |
856 | ||
857 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
858 | switch (opt) { | |
859 | case OPT_HELP: | |
ca1c3607 | 860 | usage(stdout); |
f3ed775e | 861 | goto end; |
eeac7d46 MD |
862 | case OPT_USERSPACE: |
863 | opt_userspace = 1; | |
eeac7d46 | 864 | break; |
679b4943 SM |
865 | case OPT_LIST_OPTIONS: |
866 | list_cmd_options(stdout, long_options); | |
679b4943 | 867 | goto end; |
f3ed775e DG |
868 | default: |
869 | usage(stderr); | |
870 | ret = CMD_UNDEFINED; | |
871 | goto end; | |
872 | } | |
873 | } | |
874 | ||
9f19cc17 DG |
875 | /* Get session name (trailing argument) */ |
876 | session_name = poptGetArg(pc); | |
b551a063 | 877 | DBG2("Session name: %s", session_name); |
9f19cc17 | 878 | |
cd80958d DG |
879 | if (opt_kernel) { |
880 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
881 | } else if (opt_userspace) { |
882 | DBG2("Listing userspace global domain"); | |
883 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
884 | } else if (opt_jul) { |
885 | DBG2("Listing JUL domain"); | |
886 | domain.type = LTTNG_DOMAIN_JUL; | |
cd80958d DG |
887 | } |
888 | ||
3c6a091f | 889 | if (opt_kernel || opt_userspace || opt_jul) { |
aa5de748 MD |
890 | handle = lttng_create_handle(session_name, &domain); |
891 | if (handle == NULL) { | |
892 | ret = CMD_FATAL; | |
893 | goto end; | |
894 | } | |
cd80958d DG |
895 | } |
896 | ||
9f19cc17 | 897 | if (session_name == NULL) { |
3c6a091f | 898 | if (!opt_kernel && !opt_userspace && !opt_jul) { |
b551a063 | 899 | ret = list_sessions(NULL); |
b6913340 | 900 | if (ret != 0) { |
b551a063 DG |
901 | goto end; |
902 | } | |
903 | } | |
9f19cc17 DG |
904 | if (opt_kernel) { |
905 | ret = list_kernel_events(); | |
906 | if (ret < 0) { | |
6191db77 | 907 | ret = CMD_ERROR; |
9f19cc17 DG |
908 | goto end; |
909 | } | |
b551a063 DG |
910 | } |
911 | if (opt_userspace) { | |
f37d259d MD |
912 | if (opt_fields) { |
913 | ret = list_ust_event_fields(); | |
914 | } else { | |
915 | ret = list_ust_events(); | |
916 | } | |
9f19cc17 | 917 | if (ret < 0) { |
6191db77 | 918 | ret = CMD_ERROR; |
9f19cc17 DG |
919 | goto end; |
920 | } | |
921 | } | |
3c6a091f DG |
922 | if (opt_jul) { |
923 | ret = list_jul_events(); | |
924 | if (ret < 0) { | |
925 | ret = CMD_ERROR; | |
926 | goto end; | |
927 | } | |
928 | } | |
9f19cc17 DG |
929 | } else { |
930 | /* List session attributes */ | |
931 | ret = list_sessions(session_name); | |
b6913340 | 932 | if (ret != 0) { |
9f19cc17 DG |
933 | goto end; |
934 | } | |
935 | ||
936 | /* Domain listing */ | |
937 | if (opt_domain) { | |
330be774 | 938 | ret = list_domains(session_name); |
9f19cc17 DG |
939 | goto end; |
940 | } | |
941 | ||
c523f006 | 942 | if (opt_kernel || opt_userspace) { |
9f19cc17 | 943 | /* Channel listing */ |
cd80958d | 944 | ret = list_channels(opt_channel); |
9f19cc17 DG |
945 | if (ret < 0) { |
946 | goto end; | |
947 | } | |
9f19cc17 | 948 | } else { |
c617c0c6 MD |
949 | int i, nb_domain; |
950 | ||
9f19cc17 | 951 | /* We want all domain(s) */ |
330be774 | 952 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 953 | if (nb_domain < 0) { |
67635185 | 954 | ret = nb_domain; |
60e835ca | 955 | ERR("%s", lttng_strerror(ret)); |
9f19cc17 DG |
956 | goto end; |
957 | } | |
958 | ||
b551a063 | 959 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
960 | switch (domains[i].type) { |
961 | case LTTNG_DOMAIN_KERNEL: | |
962 | MSG("=== Domain: Kernel ===\n"); | |
963 | break; | |
b551a063 DG |
964 | case LTTNG_DOMAIN_UST: |
965 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
966 | MSG("Buffer type: %s\n", |
967 | domains[i].buf_type == | |
968 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 969 | break; |
3c6a091f DG |
970 | case LTTNG_DOMAIN_JUL: |
971 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
972 | break; | |
9f19cc17 DG |
973 | default: |
974 | MSG("=== Domain: Unimplemented ===\n"); | |
975 | break; | |
976 | } | |
977 | ||
cd80958d | 978 | /* Clean handle before creating a new one */ |
aa5de748 MD |
979 | if (handle) { |
980 | lttng_destroy_handle(handle); | |
981 | } | |
cd80958d DG |
982 | |
983 | handle = lttng_create_handle(session_name, &domains[i]); | |
984 | if (handle == NULL) { | |
ca1c3607 | 985 | ret = CMD_FATAL; |
cd80958d DG |
986 | goto end; |
987 | } | |
988 | ||
3c6a091f DG |
989 | if (domains[i].type == LTTNG_DOMAIN_JUL) { |
990 | ret = list_session_jul_events(); | |
991 | if (ret < 0) { | |
992 | goto end; | |
993 | } | |
994 | continue; | |
995 | } | |
996 | ||
cd80958d | 997 | ret = list_channels(opt_channel); |
9f19cc17 DG |
998 | if (ret < 0) { |
999 | goto end; | |
1000 | } | |
1001 | } | |
1002 | } | |
f3ed775e DG |
1003 | } |
1004 | ||
1005 | end: | |
0e428499 | 1006 | free(domains); |
aa5de748 MD |
1007 | if (handle) { |
1008 | lttng_destroy_handle(handle); | |
1009 | } | |
cd80958d | 1010 | |
ca1c3607 | 1011 | poptFreeContext(pc); |
f3ed775e DG |
1012 | return ret; |
1013 | } |