Commit | Line | Data |
---|---|---|
1fc22eb4 | 1 | /* |
aa15ac1c | 2 | * Copyright (C) 2011-2012 Julien Desfossez |
1fc22eb4 JD |
3 | * |
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 as | |
6 | * published by the Free Software Foundation; | |
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 | * | |
71bd7ce1 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. | |
1fc22eb4 JD |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
19 | #include <config.h> | |
20 | #include <stdio.h> | |
21 | #include <stdint.h> | |
22 | #include <babeltrace/babeltrace.h> | |
23 | #include <babeltrace/ctf/events.h> | |
24 | #include <babeltrace/ctf/callbacks.h> | |
3ba84bed | 25 | #include <babeltrace/ctf/iterator.h> |
1fc22eb4 JD |
26 | #include <fcntl.h> |
27 | #include <pthread.h> | |
28 | #include <popt.h> | |
29 | #include <stdlib.h> | |
30 | #include <ftw.h> | |
31 | #include <dirent.h> | |
32 | #include <ctype.h> | |
33 | #include <sys/stat.h> | |
34 | #include <unistd.h> | |
35 | #include <string.h> | |
36 | #include <errno.h> | |
37 | #include <sys/types.h> | |
38 | #include <fts.h> | |
85db4618 | 39 | #include <assert.h> |
16b22a0f JD |
40 | #include <sys/mman.h> |
41 | #include <lttng/lttng.h> | |
42 | #include <lttng/lttngtop-helper.h> | |
c78f2cdc | 43 | #include <babeltrace/lttngtopmmappacketseek.h> |
1fc22eb4 JD |
44 | |
45 | #include "lttngtoptypes.h" | |
46 | #include "cputop.h" | |
47 | #include "iostreamtop.h" | |
48 | #include "cursesdisplay.h" | |
49 | #include "common.h" | |
50 | ||
51 | #define DEFAULT_FILE_ARRAY_SIZE 1 | |
52 | ||
53 | const char *opt_input_path; | |
6777529d | 54 | int opt_textdump; |
1fc22eb4 | 55 | |
ae9e85c7 JD |
56 | int quit = 0; |
57 | ||
1fc22eb4 JD |
58 | struct lttngtop *copy; |
59 | pthread_t display_thread; | |
60 | pthread_t timer_thread; | |
61 | ||
62 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
63 | unsigned long last_display_update = 0; | |
1fc22eb4 | 64 | |
16b22a0f JD |
65 | /* list of FDs available for being read with snapshots */ |
66 | struct mmap_stream_list mmap_list; | |
67 | GPtrArray *lttng_consumer_stream_array; | |
68 | int sessiond_metadata, consumerd_metadata; | |
4e6aeb3d JD |
69 | struct lttng_consumer_local_data *ctx = NULL; |
70 | /* list of snapshots currently not consumed */ | |
71 | GPtrArray *available_snapshots; | |
72 | sem_t metadata_available; | |
050f9cf9 | 73 | int reload_trace = 0; |
16b22a0f | 74 | |
1fc22eb4 JD |
75 | enum { |
76 | OPT_NONE = 0, | |
77 | OPT_HELP, | |
6777529d | 78 | OPT_TEXTDUMP, |
1fc22eb4 JD |
79 | }; |
80 | ||
81 | static struct poptOption long_options[] = { | |
82 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
83 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
6777529d | 84 | { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL }, |
1fc22eb4 JD |
85 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
86 | }; | |
87 | ||
88 | void *refresh_thread(void *p) | |
89 | { | |
cade3418 JD |
90 | struct mmap_stream *mmap_info; |
91 | ||
1fc22eb4 | 92 | while (1) { |
ae9e85c7 JD |
93 | if (quit) { |
94 | sem_post(&pause_sem); | |
95 | sem_post(&timer); | |
1402044a | 96 | sem_post(&end_trace_sem); |
ae9e85c7 | 97 | sem_post(&goodtodisplay); |
1402044a | 98 | sem_post(&goodtoupdate); |
ae9e85c7 JD |
99 | pthread_exit(0); |
100 | } | |
1402044a | 101 | if (!opt_input_path) { |
cade3418 JD |
102 | bt_list_for_each_entry(mmap_info, &mmap_list.head, list) |
103 | helper_kernctl_buffer_flush(mmap_info->fd); | |
1402044a | 104 | } |
1fc22eb4 JD |
105 | sem_wait(&pause_sem); |
106 | sem_post(&pause_sem); | |
107 | sem_post(&timer); | |
108 | sleep(refresh_display/NSEC_PER_SEC); | |
109 | } | |
110 | } | |
111 | ||
112 | void *ncurses_display(void *p) | |
113 | { | |
114 | unsigned int current_display_index = 0; | |
115 | ||
116 | sem_wait(&bootstrap); | |
b332d28f JD |
117 | /* |
118 | * Prevent the 1 second delay when we hit ESC | |
119 | */ | |
120 | ESCDELAY = 0; | |
1fc22eb4 JD |
121 | init_ncurses(); |
122 | ||
123 | while (1) { | |
124 | sem_wait(&timer); | |
125 | sem_wait(&goodtodisplay); | |
126 | sem_wait(&pause_sem); | |
127 | ||
ae9e85c7 | 128 | if (quit) { |
33572a17 JD |
129 | sem_post(&pause_sem); |
130 | sem_post(&timer); | |
ae9e85c7 JD |
131 | reset_ncurses(); |
132 | pthread_exit(0); | |
133 | } | |
134 | ||
1fc22eb4 | 135 | copy = g_ptr_array_index(copies, current_display_index); |
85db4618 JD |
136 | assert(copy); |
137 | display(current_display_index++); | |
1fc22eb4 JD |
138 | |
139 | sem_post(&goodtoupdate); | |
140 | sem_post(&pause_sem); | |
1fc22eb4 JD |
141 | } |
142 | } | |
143 | ||
6112d0d4 JD |
144 | /* |
145 | * hook on each event to check the timestamp and refresh the display if | |
146 | * necessary | |
147 | */ | |
148 | enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data) | |
149 | { | |
150 | unsigned long timestamp; | |
151 | struct tm start; | |
b520ab45 | 152 | uint64_t ts_nsec_start; |
6112d0d4 | 153 | |
6112d0d4 JD |
154 | timestamp = bt_ctf_get_timestamp(call_data); |
155 | ||
b520ab45 | 156 | start = format_timestamp(timestamp); |
6112d0d4 JD |
157 | ts_nsec_start = timestamp % NSEC_PER_SEC; |
158 | ||
71c74ca6 JD |
159 | printf("%02d:%02d:%02d.%09" PRIu64 " %s\n", start.tm_hour, |
160 | start.tm_min, start.tm_sec, ts_nsec_start, | |
161 | bt_ctf_event_name(call_data)); | |
6112d0d4 JD |
162 | |
163 | return BT_CB_OK; | |
164 | } | |
165 | ||
1fc22eb4 JD |
166 | /* |
167 | * hook on each event to check the timestamp and refresh the display if | |
168 | * necessary | |
169 | */ | |
4adc8274 | 170 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
171 | { |
172 | unsigned long timestamp; | |
173 | ||
c78f2cdc | 174 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
175 | if (timestamp == -1ULL) |
176 | goto error; | |
177 | ||
178 | if (last_display_update == 0) | |
179 | last_display_update = timestamp; | |
180 | ||
181 | if (timestamp - last_display_update >= refresh_display) { | |
182 | sem_wait(&goodtoupdate); | |
183 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
184 | timestamp)); | |
185 | sem_post(&goodtodisplay); | |
186 | sem_post(&bootstrap); | |
187 | last_display_update = timestamp; | |
188 | } | |
189 | return BT_CB_OK; | |
190 | ||
191 | error: | |
192 | fprintf(stderr, "check_timestamp callback error\n"); | |
193 | return BT_CB_ERROR_STOP; | |
194 | } | |
195 | ||
196 | /* | |
197 | * get_perf_counter : get or create and return a perf_counter struct for | |
198 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
199 | */ | |
200 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
201 | struct cputime *cpu) | |
202 | { | |
bb6d72a2 | 203 | struct perfcounter *ret; |
1fc22eb4 JD |
204 | GHashTable *table; |
205 | ||
206 | if (proc) | |
207 | table = proc->perf; | |
208 | else if (cpu) | |
209 | table = cpu->perf; | |
210 | else | |
211 | goto error; | |
212 | ||
213 | ret = g_hash_table_lookup(table, (gpointer) name); | |
214 | if (ret) | |
215 | goto end; | |
216 | ||
559c9f86 | 217 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
218 | /* by default, make it visible in the UI */ |
219 | ret->visible = 1; | |
85db4618 | 220 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 221 | |
1fc22eb4 JD |
222 | end: |
223 | return ret; | |
224 | ||
225 | error: | |
226 | return NULL; | |
227 | } | |
228 | ||
229 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
230 | const char *name, int value) | |
231 | { | |
232 | struct perfcounter *cpu_perf, *process_perf; | |
233 | ||
234 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
235 | if (cpu_perf->count < value) { | |
236 | process_perf = get_perf_counter(name, proc, NULL); | |
237 | process_perf->count += value - cpu_perf->count; | |
238 | cpu_perf->count = value; | |
239 | } | |
240 | } | |
241 | ||
4adc8274 | 242 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 243 | const struct bt_definition *scope, |
1fc22eb4 JD |
244 | struct processtop *proc, |
245 | struct cputime *cpu) | |
246 | { | |
2e0a1190 JD |
247 | struct bt_definition const * const *list = NULL; |
248 | const struct bt_definition *field; | |
1fc22eb4 | 249 | unsigned int count; |
bb6d72a2 JD |
250 | struct perfcounter *perfcounter; |
251 | GHashTableIter iter; | |
252 | gpointer key; | |
253 | int ret; | |
1fc22eb4 JD |
254 | |
255 | if (!scope) | |
256 | goto end; | |
257 | ||
258 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
259 | if (ret < 0) | |
260 | goto end; | |
261 | ||
bb6d72a2 JD |
262 | if (count == 0) |
263 | goto end; | |
264 | ||
265 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
266 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
267 | field = bt_ctf_get_field(event, scope, (char *) key); | |
268 | if (field) { | |
269 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
270 | if (bt_ctf_field_get_error()) |
271 | continue; | |
bb6d72a2 | 272 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
273 | } |
274 | } | |
275 | ||
276 | end: | |
277 | return; | |
278 | } | |
279 | ||
4adc8274 | 280 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 281 | { |
1fc22eb4 | 282 | struct cputime *cpu; |
2e0a1190 | 283 | const struct bt_definition *scope; |
1fc22eb4 | 284 | |
d67167cd | 285 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
286 | |
287 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
288 | extract_perf_counter_scope(event, scope, proc, cpu); | |
289 | ||
290 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
291 | extract_perf_counter_scope(event, scope, proc, cpu); | |
292 | ||
293 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
294 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
295 | } |
296 | ||
4adc8274 | 297 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
298 | void *private_data) |
299 | { | |
1402044a | 300 | int pid, tid, ppid, vpid, vtid, vppid; |
1fc22eb4 JD |
301 | char *comm; |
302 | struct processtop *parent, *child; | |
1fc22eb4 JD |
303 | unsigned long timestamp; |
304 | ||
c78f2cdc | 305 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
306 | if (timestamp == -1ULL) |
307 | goto error; | |
308 | ||
1dec520a JD |
309 | pid = get_context_pid(call_data); |
310 | if (pid == -1ULL) { | |
1fc22eb4 JD |
311 | goto error; |
312 | } | |
1dec520a JD |
313 | tid = get_context_tid(call_data); |
314 | if (tid == -1ULL) { | |
1fc22eb4 JD |
315 | goto error; |
316 | } | |
1dec520a JD |
317 | ppid = get_context_ppid(call_data); |
318 | if (ppid == -1ULL) { | |
1fc22eb4 JD |
319 | goto error; |
320 | } | |
1402044a JD |
321 | vpid = get_context_vpid(call_data); |
322 | if (pid == -1ULL) { | |
323 | vpid = -1; | |
324 | } | |
325 | vtid = get_context_vtid(call_data); | |
326 | if (tid == -1ULL) { | |
327 | vtid = -1; | |
328 | } | |
329 | vppid = get_context_vppid(call_data); | |
330 | if (ppid == -1ULL) { | |
331 | vppid = -1; | |
332 | } | |
1dec520a JD |
333 | comm = get_context_comm(call_data); |
334 | if (!comm) { | |
1fc22eb4 JD |
335 | goto error; |
336 | } | |
337 | ||
338 | /* find or create the current process */ | |
339 | child = find_process_tid(<tngtop, tid, comm); | |
340 | if (!child) | |
341 | child = add_proc(<tngtop, tid, comm, timestamp); | |
1402044a | 342 | update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm); |
1fc22eb4 JD |
343 | |
344 | if (pid != tid) { | |
345 | /* find or create the parent */ | |
346 | parent = find_process_tid(<tngtop, pid, comm); | |
347 | if (!parent) { | |
348 | parent = add_proc(<tngtop, pid, comm, timestamp); | |
349 | parent->pid = pid; | |
350 | } | |
351 | ||
352 | /* attach the parent to the current process */ | |
353 | child->threadparent = parent; | |
354 | add_thread(parent, child); | |
355 | } | |
356 | ||
357 | update_perf_counter(child, call_data); | |
358 | ||
359 | return BT_CB_OK; | |
360 | ||
361 | error: | |
362 | return BT_CB_ERROR_STOP; | |
363 | } | |
364 | ||
365 | void init_lttngtop() | |
366 | { | |
367 | copies = g_ptr_array_new(); | |
0d91c12a | 368 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
369 | |
370 | sem_init(&goodtodisplay, 0, 0); | |
371 | sem_init(&goodtoupdate, 0, 1); | |
372 | sem_init(&timer, 0, 1); | |
373 | sem_init(&bootstrap, 0, 0); | |
374 | sem_init(&pause_sem, 0, 1); | |
375 | sem_init(&end_trace_sem, 0, 0); | |
376 | ||
e05a35a6 JD |
377 | reset_global_counters(); |
378 | lttngtop.nbproc = 0; | |
379 | lttngtop.nbthreads = 0; | |
380 | lttngtop.nbfiles = 0; | |
381 | ||
30b646c4 JD |
382 | lttngtop.process_hash_table = g_hash_table_new(g_direct_hash, |
383 | g_direct_equal); | |
1fc22eb4 JD |
384 | lttngtop.process_table = g_ptr_array_new(); |
385 | lttngtop.files_table = g_ptr_array_new(); | |
386 | lttngtop.cpu_table = g_ptr_array_new(); | |
387 | } | |
388 | ||
c263c4eb | 389 | void usage(FILE *fp) |
1fc22eb4 | 390 | { |
c263c4eb JD |
391 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
392 | fprintf(fp, "Usage : lttngtop /path/to/trace\n"); | |
1fc22eb4 JD |
393 | } |
394 | ||
395 | /* | |
396 | * Return 0 if caller should continue, < 0 if caller should return | |
397 | * error, > 0 if caller should exit without reporting error. | |
398 | */ | |
399 | static int parse_options(int argc, char **argv) | |
400 | { | |
401 | poptContext pc; | |
402 | int opt, ret = 0; | |
403 | ||
1fc22eb4 JD |
404 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
405 | poptReadDefaultConfig(pc, 0); | |
406 | ||
407 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
408 | switch (opt) { | |
409 | case OPT_HELP: | |
410 | usage(stdout); | |
411 | ret = 1; /* exit cleanly */ | |
412 | goto end; | |
6777529d JD |
413 | case OPT_TEXTDUMP: |
414 | opt_textdump = 1; | |
415 | goto end; | |
1fc22eb4 JD |
416 | default: |
417 | ret = -EINVAL; | |
418 | goto end; | |
419 | } | |
420 | } | |
421 | ||
422 | opt_input_path = poptGetArg(pc); | |
16b22a0f | 423 | |
1fc22eb4 JD |
424 | end: |
425 | if (pc) { | |
426 | poptFreeContext(pc); | |
427 | } | |
428 | return ret; | |
429 | } | |
430 | ||
431 | void iter_trace(struct bt_context *bt_ctx) | |
432 | { | |
433 | struct bt_ctf_iter *iter; | |
434 | struct bt_iter_pos begin_pos; | |
4adc8274 | 435 | const struct bt_ctf_event *event; |
1fc22eb4 JD |
436 | int ret = 0; |
437 | ||
438 | begin_pos.type = BT_SEEK_BEGIN; | |
439 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
440 | ||
6777529d JD |
441 | if (opt_textdump) { |
442 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
443 | print_timestamp, | |
444 | NULL, NULL, NULL); | |
445 | } else { | |
446 | /* at each event check if we need to refresh */ | |
447 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
448 | check_timestamp, | |
449 | NULL, NULL, NULL); | |
450 | /* at each event, verify the status of the process table */ | |
451 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
452 | fix_process_table, | |
453 | NULL, NULL, NULL); | |
454 | /* to handle the scheduling events */ | |
455 | bt_ctf_iter_add_callback(iter, | |
456 | g_quark_from_static_string("sched_switch"), | |
457 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
458 | /* to clean up the process table */ | |
459 | bt_ctf_iter_add_callback(iter, | |
460 | g_quark_from_static_string("sched_process_free"), | |
461 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
462 | /* to get all the process from the statedumps */ | |
463 | bt_ctf_iter_add_callback(iter, | |
464 | g_quark_from_static_string( | |
465 | "lttng_statedump_process_state"), | |
466 | NULL, 0, handle_statedump_process_state, | |
467 | NULL, NULL, NULL); | |
468 | ||
469 | /* for IO top */ | |
470 | bt_ctf_iter_add_callback(iter, | |
471 | g_quark_from_static_string("exit_syscall"), | |
472 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
473 | bt_ctf_iter_add_callback(iter, | |
474 | g_quark_from_static_string("sys_write"), | |
475 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
476 | bt_ctf_iter_add_callback(iter, | |
477 | g_quark_from_static_string("sys_read"), | |
478 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
479 | bt_ctf_iter_add_callback(iter, | |
480 | g_quark_from_static_string("sys_open"), | |
481 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
482 | bt_ctf_iter_add_callback(iter, | |
483 | g_quark_from_static_string("sys_close"), | |
484 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
485 | bt_ctf_iter_add_callback(iter, | |
486 | g_quark_from_static_string( | |
ceb3a221 | 487 | "lttng_statedump_file_descriptor"), |
6777529d JD |
488 | NULL, 0, handle_statedump_file_descriptor, |
489 | NULL, NULL, NULL); | |
490 | } | |
491 | ||
050f9cf9 JD |
492 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
493 | if (quit || reload_trace) | |
ae9e85c7 | 494 | goto end_iter; |
1fc22eb4 JD |
495 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
496 | if (ret < 0) | |
497 | goto end_iter; | |
498 | } | |
499 | ||
500 | /* block until quit, we reached the end of the trace */ | |
501 | sem_wait(&end_trace_sem); | |
502 | ||
503 | end_iter: | |
06570214 | 504 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
505 | } |
506 | ||
507 | /* | |
508 | * bt_context_add_traces_recursive: Open a trace recursively | |
509 | * (copied from BSD code in converter/babeltrace.c) | |
510 | * | |
511 | * Find each trace present in the subdirectory starting from the given | |
512 | * path, and add them to the context. The packet_seek parameter can be | |
513 | * NULL: this specify to use the default format packet_seek. | |
514 | * | |
515 | * Return: 0 on success, nonzero on failure. | |
516 | * Unable to open toplevel: failure. | |
517 | * Unable to open some subdirectory or file: warn and continue; | |
518 | */ | |
519 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
520 | const char *format_str, | |
2e0a1190 | 521 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
522 | size_t offset, int whence)) |
523 | { | |
524 | FTS *tree; | |
525 | FTSENT *node; | |
526 | GArray *trace_ids; | |
527 | char lpath[PATH_MAX]; | |
528 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 529 | int ret = -1; |
1fc22eb4 JD |
530 | |
531 | /* | |
532 | * Need to copy path, because fts_open can change it. | |
533 | * It is the pointer array, not the strings, that are constant. | |
534 | */ | |
535 | strncpy(lpath, path, PATH_MAX); | |
536 | lpath[PATH_MAX - 1] = '\0'; | |
537 | ||
538 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
539 | if (tree == NULL) { | |
540 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
541 | path); | |
542 | return -EINVAL; | |
543 | } | |
544 | ||
545 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
546 | ||
547 | while ((node = fts_read(tree))) { | |
548 | int dirfd, metafd; | |
549 | ||
550 | if (!(node->fts_info & FTS_D)) | |
551 | continue; | |
552 | ||
553 | dirfd = open(node->fts_accpath, 0); | |
554 | if (dirfd < 0) { | |
555 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
556 | "directory file descriptor.\n"); | |
557 | ret = dirfd; | |
558 | goto error; | |
559 | } | |
560 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
561 | if (metafd < 0) { | |
7314c855 JD |
562 | close(dirfd); |
563 | ret = -1; | |
564 | continue; | |
1fc22eb4 JD |
565 | } else { |
566 | int trace_id; | |
567 | ||
568 | ret = close(metafd); | |
569 | if (ret < 0) { | |
570 | perror("close"); | |
571 | goto error; | |
572 | } | |
573 | ret = close(dirfd); | |
574 | if (ret < 0) { | |
575 | perror("close"); | |
576 | goto error; | |
577 | } | |
578 | ||
579 | trace_id = bt_context_add_trace(ctx, | |
580 | node->fts_accpath, format_str, | |
581 | packet_seek, NULL, NULL); | |
582 | if (trace_id < 0) { | |
0d567cf1 | 583 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 584 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
585 | /* Allow to skip erroneous traces. */ |
586 | continue; | |
1fc22eb4 JD |
587 | } |
588 | g_array_append_val(trace_ids, trace_id); | |
589 | } | |
590 | } | |
591 | ||
592 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 593 | return ret; |
1fc22eb4 JD |
594 | |
595 | error: | |
596 | return ret; | |
597 | } | |
598 | ||
4553b4d1 | 599 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
600 | int field_cnt, int *tid_check, int *pid_check, |
601 | int *procname_check, int *ppid_check) | |
602 | { | |
603 | int j; | |
bb6d72a2 JD |
604 | struct perfcounter *global; |
605 | const char *name; | |
a54d0d2c JD |
606 | |
607 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 608 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 609 | if (*tid_check == 0) { |
bb6d72a2 | 610 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 611 | (*tid_check)++; |
a54d0d2c JD |
612 | } |
613 | if (*pid_check == 0) { | |
da401e9c | 614 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
615 | (*pid_check)++; |
616 | } | |
617 | if (*ppid_check == 0) { | |
bb6d72a2 | 618 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
619 | (*ppid_check)++; |
620 | } | |
621 | if (*procname_check == 0) { | |
bb6d72a2 | 622 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
623 | (*procname_check)++; |
624 | } | |
bb6d72a2 JD |
625 | if (strncmp(name, "perf_", 5) == 0) { |
626 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
627 | if (!global) { | |
628 | global = g_new0(struct perfcounter, 1); | |
629 | /* by default, sort on the first perf context */ | |
630 | if (g_hash_table_size(global_perf_liszt) == 0) | |
631 | global->sort = 1; | |
632 | global->visible = 1; | |
633 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
634 | } | |
635 | } | |
a54d0d2c | 636 | } |
bb6d72a2 | 637 | |
a54d0d2c JD |
638 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
639 | *procname_check == 1) | |
640 | return 0; | |
641 | ||
642 | return -1; | |
643 | } | |
644 | ||
645 | /* | |
646 | * check_requirements: check if the required context informations are available | |
647 | * | |
648 | * If each mandatory context information is available for at least in one | |
649 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
650 | */ |
651 | int check_requirements(struct bt_context *ctx) | |
652 | { | |
653 | unsigned int i, evt_cnt, field_cnt; | |
654 | struct bt_ctf_event_decl *const * evt_list; | |
655 | const struct bt_ctf_field_decl *const * field_list; | |
656 | int tid_check = 0; | |
657 | int pid_check = 0; | |
658 | int procname_check = 0; | |
659 | int ppid_check = 0; | |
660 | int ret = 0; | |
661 | ||
662 | bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); | |
663 | for (i = 0; i < evt_cnt; i++) { | |
664 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
665 | &field_list, &field_cnt); | |
666 | ret = check_field_requirements(field_list, field_cnt, | |
667 | &tid_check, &pid_check, &procname_check, | |
668 | &ppid_check); | |
a54d0d2c JD |
669 | |
670 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
671 | &field_list, &field_cnt); | |
672 | ret = check_field_requirements(field_list, field_cnt, | |
673 | &tid_check, &pid_check, &procname_check, | |
674 | &ppid_check); | |
a54d0d2c JD |
675 | |
676 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
677 | &field_list, &field_cnt); | |
678 | ret = check_field_requirements(field_list, field_cnt, | |
679 | &tid_check, &pid_check, &procname_check, | |
680 | &ppid_check); | |
a54d0d2c JD |
681 | } |
682 | ||
683 | if (tid_check == 0) { | |
684 | ret = -1; | |
685 | fprintf(stderr, "[error] missing tid context information\n"); | |
686 | } | |
687 | if (pid_check == 0) { | |
688 | ret = -1; | |
689 | fprintf(stderr, "[error] missing pid context information\n"); | |
690 | } | |
691 | if (ppid_check == 0) { | |
692 | ret = -1; | |
693 | fprintf(stderr, "[error] missing ppid context information\n"); | |
694 | } | |
695 | if (procname_check == 0) { | |
696 | ret = -1; | |
697 | fprintf(stderr, "[error] missing procname context information\n"); | |
698 | } | |
699 | ||
a54d0d2c JD |
700 | return ret; |
701 | } | |
702 | ||
16b22a0f JD |
703 | ssize_t read_subbuffer(struct lttng_consumer_stream *kconsumerd_fd, |
704 | struct lttng_consumer_local_data *ctx) | |
705 | { | |
706 | unsigned long len; | |
707 | int err; | |
708 | long ret = 0; | |
709 | int infd = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
710 | ||
711 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_SPLICE) { | |
712 | /* Get the next subbuffer */ | |
16b22a0f JD |
713 | err = helper_kernctl_get_next_subbuf(infd); |
714 | if (err != 0) { | |
715 | ret = errno; | |
716 | perror("Reserving sub buffer failed (everything is normal, " | |
717 | "it is due to concurrency)"); | |
718 | goto end; | |
719 | } | |
720 | /* read the whole subbuffer */ | |
721 | err = helper_kernctl_get_padded_subbuf_size(infd, &len); | |
722 | if (err != 0) { | |
723 | ret = errno; | |
724 | perror("Getting sub-buffer len failed."); | |
725 | goto end; | |
726 | } | |
16b22a0f JD |
727 | |
728 | /* splice the subbuffer to the tracefile */ | |
729 | ret = helper_lttng_consumer_on_read_subbuffer_splice(ctx, kconsumerd_fd, len); | |
730 | if (ret < 0) { | |
731 | /* | |
732 | * display the error but continue processing to try | |
733 | * to release the subbuffer | |
734 | */ | |
735 | fprintf(stderr,"Error splicing to tracefile\n"); | |
736 | } | |
16b22a0f JD |
737 | err = helper_kernctl_put_next_subbuf(infd); |
738 | if (err != 0) { | |
739 | ret = errno; | |
740 | perror("Reserving sub buffer failed (everything is normal, " | |
741 | "it is due to concurrency)"); | |
742 | goto end; | |
743 | } | |
4e6aeb3d | 744 | sem_post(&metadata_available); |
16b22a0f JD |
745 | } |
746 | ||
747 | end: | |
748 | return 0; | |
749 | } | |
750 | ||
751 | int on_update_fd(int key, uint32_t state) | |
752 | { | |
753 | /* let the lib handle the metadata FD */ | |
754 | if (key == sessiond_metadata) | |
755 | return 0; | |
756 | return 1; | |
757 | } | |
758 | ||
759 | int on_recv_fd(struct lttng_consumer_stream *kconsumerd_fd) | |
760 | { | |
761 | int ret; | |
b520ab45 | 762 | struct mmap_stream *new_mmap_stream; |
16b22a0f | 763 | |
16b22a0f JD |
764 | /* Opening the tracefile in write mode */ |
765 | if (helper_get_lttng_consumer_stream_path_name(kconsumerd_fd) != NULL) { | |
766 | ret = open(helper_get_lttng_consumer_stream_path_name(kconsumerd_fd), | |
767 | O_WRONLY|O_CREAT|O_TRUNC, S_IRWXU|S_IRWXG|S_IRWXO); | |
768 | if (ret < 0) { | |
769 | perror("open"); | |
770 | goto end; | |
771 | } | |
772 | helper_set_lttng_consumer_stream_out_fd(kconsumerd_fd, ret); | |
773 | } | |
774 | ||
775 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_MMAP) { | |
b520ab45 JD |
776 | new_mmap_stream = malloc(sizeof(struct mmap_stream)); |
777 | new_mmap_stream->fd = helper_get_lttng_consumer_stream_wait_fd( | |
778 | kconsumerd_fd); | |
779 | bt_list_add(&new_mmap_stream->list, &mmap_list.head); | |
16b22a0f JD |
780 | |
781 | g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd); | |
6112d0d4 JD |
782 | /* keep mmap FDs internally */ |
783 | ret = 1; | |
16b22a0f JD |
784 | } else { |
785 | consumerd_metadata = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
786 | sessiond_metadata = helper_get_lttng_consumer_stream_key(kconsumerd_fd); | |
787 | ret = 0; | |
788 | } | |
789 | ||
050f9cf9 JD |
790 | reload_trace = 1; |
791 | ||
16b22a0f JD |
792 | end: |
793 | return ret; | |
794 | } | |
795 | ||
eb677852 | 796 | void live_consume(struct bt_context **bt_ctx) |
e91044a8 | 797 | { |
e91044a8 | 798 | int ret; |
050f9cf9 | 799 | FILE *metadata_fp; |
e91044a8 | 800 | |
050f9cf9 JD |
801 | sem_wait(&metadata_available); |
802 | if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) { | |
803 | fprintf(stderr,"no metadata\n"); | |
804 | goto end; | |
71c74ca6 | 805 | } |
050f9cf9 | 806 | metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r"); |
c78f2cdc | 807 | |
050f9cf9 JD |
808 | *bt_ctx = bt_context_create(); |
809 | ret = bt_context_add_trace(*bt_ctx, NULL, "ctf", | |
810 | lttngtop_ctf_packet_seek, &mmap_list, metadata_fp); | |
811 | if (ret < 0) { | |
812 | printf("Error adding trace\n"); | |
813 | goto end; | |
e91044a8 | 814 | } |
b520ab45 | 815 | |
eb677852 JD |
816 | end: |
817 | return; | |
e91044a8 | 818 | } |
16b22a0f JD |
819 | |
820 | int setup_consumer(char *command_sock_path, pthread_t *threads, | |
821 | struct lttng_consumer_local_data *ctx) | |
822 | { | |
823 | int ret = 0; | |
824 | ||
825 | ctx = helper_lttng_consumer_create(HELPER_LTTNG_CONSUMER_KERNEL, | |
826 | read_subbuffer, NULL, on_recv_fd, on_update_fd); | |
827 | if (!ctx) | |
828 | goto end; | |
829 | ||
830 | unlink(command_sock_path); | |
831 | helper_lttng_consumer_set_command_sock_path(ctx, command_sock_path); | |
832 | helper_lttng_consumer_init(); | |
833 | ||
834 | /* Create the thread to manage the receive of fd */ | |
835 | ret = pthread_create(&threads[0], NULL, helper_lttng_consumer_thread_receive_fds, | |
836 | (void *) ctx); | |
837 | if (ret != 0) { | |
c78f2cdc | 838 | perror("pthread_create receive fd"); |
16b22a0f JD |
839 | goto end; |
840 | } | |
e91044a8 JD |
841 | /* Create thread to manage the polling/writing of traces */ |
842 | ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds, | |
843 | (void *) ctx); | |
844 | if (ret != 0) { | |
c78f2cdc | 845 | perror("pthread_create poll fd"); |
e91044a8 JD |
846 | goto end; |
847 | } | |
848 | ||
16b22a0f JD |
849 | end: |
850 | return ret; | |
851 | } | |
852 | ||
1a70b8ac | 853 | int setup_live_tracing() |
16b22a0f JD |
854 | { |
855 | struct lttng_domain dom; | |
856 | struct lttng_channel chan; | |
857 | char *channel_name = "mmapchan"; | |
16b22a0f JD |
858 | struct lttng_event ev; |
859 | int ret = 0; | |
860 | char *command_sock_path = "/tmp/consumerd_sock"; | |
861 | static pthread_t threads[2]; /* recv_fd, poll */ | |
862 | struct lttng_event_context kctxpid, kctxcomm, kctxppid, kctxtid; | |
16b22a0f JD |
863 | |
864 | struct lttng_handle *handle; | |
865 | ||
866 | BT_INIT_LIST_HEAD(&mmap_list.head); | |
867 | ||
868 | lttng_consumer_stream_array = g_ptr_array_new(); | |
869 | ||
870 | if ((ret = setup_consumer(command_sock_path, threads, ctx)) < 0) { | |
871 | fprintf(stderr,"error setting up consumer\n"); | |
1a70b8ac | 872 | goto error; |
16b22a0f JD |
873 | } |
874 | ||
875 | available_snapshots = g_ptr_array_new(); | |
876 | ||
877 | /* setup the session */ | |
878 | dom.type = LTTNG_DOMAIN_KERNEL; | |
879 | ||
eb677852 | 880 | ret = unlink("/tmp/livesession"); |
16b22a0f | 881 | |
71c74ca6 | 882 | lttng_destroy_session("test"); |
16b22a0f JD |
883 | if ((ret = lttng_create_session("test", "/tmp/livesession")) < 0) { |
884 | fprintf(stderr,"error creating the session : %s\n", | |
885 | helper_lttcomm_get_readable_code(ret)); | |
1a70b8ac | 886 | goto error; |
16b22a0f JD |
887 | } |
888 | ||
889 | if ((handle = lttng_create_handle("test", &dom)) == NULL) { | |
890 | fprintf(stderr,"error creating handle\n"); | |
1a70b8ac | 891 | goto error_session; |
16b22a0f JD |
892 | } |
893 | ||
050f9cf9 JD |
894 | /* |
895 | * FIXME : need to let the | |
896 | * helper_lttng_consumer_thread_receive_fds create the | |
897 | * socket. | |
898 | * Cleaner solution ? | |
899 | */ | |
900 | while (access(command_sock_path, F_OK)) { | |
901 | sleep(0.1); | |
902 | } | |
903 | ||
16b22a0f JD |
904 | if ((ret = lttng_register_consumer(handle, command_sock_path)) < 0) { |
905 | fprintf(stderr,"error registering consumer : %s\n", | |
906 | helper_lttcomm_get_readable_code(ret)); | |
1a70b8ac | 907 | goto error_session; |
16b22a0f JD |
908 | } |
909 | ||
910 | strcpy(chan.name, channel_name); | |
c78f2cdc | 911 | chan.attr.overwrite = 0; |
6777529d JD |
912 | // chan.attr.subbuf_size = 32768; |
913 | chan.attr.subbuf_size = 1048576; /* 1MB */ | |
16b22a0f JD |
914 | chan.attr.num_subbuf = 4; |
915 | chan.attr.switch_timer_interval = 0; | |
916 | chan.attr.read_timer_interval = 200; | |
917 | chan.attr.output = LTTNG_EVENT_MMAP; | |
918 | ||
919 | if ((ret = lttng_enable_channel(handle, &chan)) < 0) { | |
b872c906 JD |
920 | fprintf(stderr,"error creating channel : %s\n", |
921 | helper_lttcomm_get_readable_code(ret)); | |
1a70b8ac | 922 | goto error_session; |
16b22a0f JD |
923 | } |
924 | ||
b872c906 JD |
925 | memset(&ev, '\0', sizeof(struct lttng_event)); |
926 | //sprintf(ev.name, "sched_switch"); | |
16b22a0f | 927 | ev.type = LTTNG_EVENT_TRACEPOINT; |
16b22a0f | 928 | if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) { |
b872c906 JD |
929 | fprintf(stderr,"error enabling event : %s\n", |
930 | helper_lttcomm_get_readable_code(ret)); | |
1a70b8ac | 931 | goto error_session; |
16b22a0f JD |
932 | } |
933 | ||
6777529d JD |
934 | ev.type = LTTNG_EVENT_SYSCALL; |
935 | if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) { | |
936 | fprintf(stderr,"error enabling syscalls : %s\n", | |
937 | helper_lttcomm_get_readable_code(ret)); | |
1a70b8ac | 938 | goto error_session; |
6777529d JD |
939 | } |
940 | ||
16b22a0f JD |
941 | kctxpid.ctx = LTTNG_EVENT_CONTEXT_PID; |
942 | lttng_add_context(handle, &kctxpid, NULL, NULL); | |
943 | kctxppid.ctx = LTTNG_EVENT_CONTEXT_PPID; | |
944 | lttng_add_context(handle, &kctxppid, NULL, NULL); | |
945 | kctxcomm.ctx = LTTNG_EVENT_CONTEXT_PROCNAME; | |
946 | lttng_add_context(handle, &kctxcomm, NULL, NULL); | |
947 | kctxtid.ctx = LTTNG_EVENT_CONTEXT_TID; | |
948 | lttng_add_context(handle, &kctxtid, NULL, NULL); | |
949 | ||
950 | if ((ret = lttng_start_tracing("test")) < 0) { | |
b872c906 JD |
951 | fprintf(stderr,"error starting tracing : %s\n", |
952 | helper_lttcomm_get_readable_code(ret)); | |
1a70b8ac | 953 | goto error_session; |
16b22a0f JD |
954 | } |
955 | ||
956 | helper_kernctl_buffer_flush(consumerd_metadata); | |
e91044a8 | 957 | |
16b22a0f | 958 | /* block until metadata is ready */ |
4e6aeb3d | 959 | sem_init(&metadata_available, 0, 0); |
16b22a0f | 960 | |
1a70b8ac JD |
961 | return 0; |
962 | ||
963 | error_session: | |
964 | lttng_destroy_session("test"); | |
965 | error: | |
966 | return -1; | |
16b22a0f JD |
967 | } |
968 | ||
1fc22eb4 JD |
969 | int main(int argc, char **argv) |
970 | { | |
971 | int ret; | |
972 | struct bt_context *bt_ctx = NULL; | |
050f9cf9 JD |
973 | struct mmap_stream *mmap_info; |
974 | unsigned long mmap_len; | |
1fc22eb4 JD |
975 | |
976 | ret = parse_options(argc, argv); | |
977 | if (ret < 0) { | |
978 | fprintf(stdout, "Error parsing options.\n\n"); | |
979 | usage(stdout); | |
980 | exit(EXIT_FAILURE); | |
981 | } else if (ret > 0) { | |
982 | exit(EXIT_SUCCESS); | |
983 | } | |
984 | ||
16b22a0f | 985 | if (!opt_input_path) { |
1a70b8ac JD |
986 | ret = setup_live_tracing(); |
987 | if (ret < 0) { | |
988 | goto end; | |
989 | } | |
6777529d JD |
990 | init_lttngtop(); |
991 | if (!opt_textdump) { | |
992 | pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL); | |
993 | pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL); | |
994 | } | |
050f9cf9 JD |
995 | while (!quit) { |
996 | reload_trace = 0; | |
997 | live_consume(&bt_ctx); | |
998 | iter_trace(bt_ctx); | |
999 | ret = bt_context_remove_trace(bt_ctx, 0); | |
1000 | if (ret != 0) | |
1001 | fprintf(stderr, "error removing trace\n"); | |
1002 | if (bt_ctx) { | |
1003 | bt_context_put(bt_ctx); | |
1004 | } | |
1005 | ||
1006 | /* | |
1007 | * since we receive all FDs every time there is an | |
1008 | * update and the FD number is different every time, | |
1009 | * we don't know which one are valid. | |
1010 | * so we check if all FDs are usable with a simple | |
1011 | * ioctl call. | |
1012 | */ | |
1013 | bt_list_for_each_entry(mmap_info, &mmap_list.head, list) { | |
1014 | ret = helper_kernctl_get_mmap_len(mmap_info->fd, &mmap_len); | |
1015 | if (ret != 0) { | |
050f9cf9 JD |
1016 | bt_list_del(&mmap_info->list); |
1017 | } | |
1018 | } | |
1019 | sem_post(&metadata_available); | |
1020 | } | |
eb677852 | 1021 | |
ae9e85c7 | 1022 | pthread_join(timer_thread, NULL); |
eb677852 JD |
1023 | quit = 1; |
1024 | pthread_join(display_thread, NULL); | |
6777529d | 1025 | |
c78f2cdc | 1026 | lttng_stop_tracing("test"); |
c78f2cdc JD |
1027 | lttng_destroy_session("test"); |
1028 | ||
1fc22eb4 | 1029 | goto end; |
16b22a0f JD |
1030 | } else { |
1031 | init_lttngtop(); | |
1032 | ||
1033 | bt_ctx = bt_context_create(); | |
1034 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1035 | if (ret < 0) { | |
1036 | fprintf(stderr, "[error] Opening the trace\n"); | |
1037 | goto end; | |
1038 | } | |
1fc22eb4 | 1039 | |
16b22a0f JD |
1040 | ret = check_requirements(bt_ctx); |
1041 | if (ret < 0) { | |
1042 | fprintf(stderr, "[error] some mandatory contexts were missing, exiting.\n"); | |
1043 | goto end; | |
1044 | } | |
1045 | pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL); | |
1046 | pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL); | |
1fc22eb4 | 1047 | |
16b22a0f | 1048 | iter_trace(bt_ctx); |
1fc22eb4 | 1049 | |
16b22a0f | 1050 | pthread_join(display_thread, NULL); |
ae9e85c7 | 1051 | quit = 1; |
16b22a0f JD |
1052 | pthread_join(timer_thread, NULL); |
1053 | } | |
1fc22eb4 JD |
1054 | |
1055 | end: | |
16b22a0f JD |
1056 | if (bt_ctx) |
1057 | bt_context_put(bt_ctx); | |
1058 | ||
1fc22eb4 JD |
1059 | return 0; |
1060 | } |