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