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