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; | |
54 | ||
55 | struct lttngtop *copy; | |
56 | pthread_t display_thread; | |
57 | pthread_t timer_thread; | |
c78f2cdc | 58 | pthread_t live_trace_thread; |
1fc22eb4 JD |
59 | |
60 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
61 | unsigned long last_display_update = 0; | |
62 | int quit = 0; | |
63 | ||
16b22a0f | 64 | /* LIVE */ |
c78f2cdc | 65 | pthread_t thread_live_consume; |
16b22a0f JD |
66 | /* list of FDs available for being read with snapshots */ |
67 | struct mmap_stream_list mmap_list; | |
68 | GPtrArray *lttng_consumer_stream_array; | |
69 | int sessiond_metadata, consumerd_metadata; | |
4e6aeb3d JD |
70 | struct lttng_consumer_local_data *ctx = NULL; |
71 | /* list of snapshots currently not consumed */ | |
72 | GPtrArray *available_snapshots; | |
73 | sem_t metadata_available; | |
74 | FILE *metadata_fp; | |
75 | int trace_opened = 0; | |
76 | int metadata_ready = 0; | |
16b22a0f | 77 | |
1fc22eb4 JD |
78 | enum { |
79 | OPT_NONE = 0, | |
80 | OPT_HELP, | |
81 | OPT_LIST, | |
82 | OPT_VERBOSE, | |
83 | OPT_DEBUG, | |
84 | OPT_NAMES, | |
85 | }; | |
86 | ||
87 | static struct poptOption long_options[] = { | |
88 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
89 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
90 | { NULL, 0, 0, NULL, 0, NULL, NULL }, | |
91 | }; | |
92 | ||
93 | void *refresh_thread(void *p) | |
94 | { | |
95 | while (1) { | |
85db4618 JD |
96 | if (quit) |
97 | return NULL; | |
1fc22eb4 JD |
98 | sem_wait(&pause_sem); |
99 | sem_post(&pause_sem); | |
100 | sem_post(&timer); | |
101 | sleep(refresh_display/NSEC_PER_SEC); | |
102 | } | |
103 | } | |
104 | ||
105 | void *ncurses_display(void *p) | |
106 | { | |
107 | unsigned int current_display_index = 0; | |
108 | ||
109 | sem_wait(&bootstrap); | |
b332d28f JD |
110 | /* |
111 | * Prevent the 1 second delay when we hit ESC | |
112 | */ | |
113 | ESCDELAY = 0; | |
1fc22eb4 JD |
114 | init_ncurses(); |
115 | ||
116 | while (1) { | |
117 | sem_wait(&timer); | |
118 | sem_wait(&goodtodisplay); | |
119 | sem_wait(&pause_sem); | |
120 | ||
121 | copy = g_ptr_array_index(copies, current_display_index); | |
85db4618 JD |
122 | assert(copy); |
123 | display(current_display_index++); | |
1fc22eb4 JD |
124 | |
125 | sem_post(&goodtoupdate); | |
126 | sem_post(&pause_sem); | |
127 | ||
128 | if (quit) { | |
129 | reset_ncurses(); | |
130 | pthread_exit(0); | |
131 | } | |
132 | } | |
133 | } | |
134 | ||
6112d0d4 JD |
135 | /* FIXME : TMP */ |
136 | struct tm ts_format_timestamp(uint64_t timestamp) | |
137 | { | |
138 | struct tm tm; | |
139 | uint64_t ts_sec = 0, ts_nsec; | |
140 | time_t time_s; | |
141 | ||
142 | ts_nsec = timestamp; | |
143 | ts_sec += ts_nsec / NSEC_PER_SEC; | |
144 | ts_nsec = ts_nsec % NSEC_PER_SEC; | |
145 | ||
146 | time_s = (time_t) ts_sec; | |
147 | ||
148 | localtime_r(&time_s, &tm); | |
149 | ||
150 | return tm; | |
151 | } | |
152 | ||
153 | /* | |
154 | * hook on each event to check the timestamp and refresh the display if | |
155 | * necessary | |
156 | */ | |
157 | enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data) | |
158 | { | |
159 | unsigned long timestamp; | |
160 | struct tm start; | |
161 | uint64_t ts_nsec_start, ts_nsec_end; | |
162 | ||
163 | ||
164 | timestamp = bt_ctf_get_timestamp(call_data); | |
165 | ||
166 | start = ts_format_timestamp(timestamp); | |
167 | ts_nsec_start = timestamp % NSEC_PER_SEC; | |
168 | ||
71c74ca6 JD |
169 | printf("%02d:%02d:%02d.%09" PRIu64 " %s\n", start.tm_hour, |
170 | start.tm_min, start.tm_sec, ts_nsec_start, | |
171 | bt_ctf_event_name(call_data)); | |
6112d0d4 JD |
172 | |
173 | return BT_CB_OK; | |
174 | } | |
175 | ||
1fc22eb4 JD |
176 | /* |
177 | * hook on each event to check the timestamp and refresh the display if | |
178 | * necessary | |
179 | */ | |
4adc8274 | 180 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
181 | { |
182 | unsigned long timestamp; | |
183 | ||
c78f2cdc | 184 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
185 | if (timestamp == -1ULL) |
186 | goto error; | |
187 | ||
188 | if (last_display_update == 0) | |
189 | last_display_update = timestamp; | |
190 | ||
191 | if (timestamp - last_display_update >= refresh_display) { | |
192 | sem_wait(&goodtoupdate); | |
193 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
194 | timestamp)); | |
195 | sem_post(&goodtodisplay); | |
196 | sem_post(&bootstrap); | |
197 | last_display_update = timestamp; | |
198 | } | |
199 | return BT_CB_OK; | |
200 | ||
201 | error: | |
202 | fprintf(stderr, "check_timestamp callback error\n"); | |
203 | return BT_CB_ERROR_STOP; | |
204 | } | |
205 | ||
206 | /* | |
207 | * get_perf_counter : get or create and return a perf_counter struct for | |
208 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
209 | */ | |
210 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
211 | struct cputime *cpu) | |
212 | { | |
bb6d72a2 | 213 | struct perfcounter *ret; |
1fc22eb4 JD |
214 | GHashTable *table; |
215 | ||
216 | if (proc) | |
217 | table = proc->perf; | |
218 | else if (cpu) | |
219 | table = cpu->perf; | |
220 | else | |
221 | goto error; | |
222 | ||
223 | ret = g_hash_table_lookup(table, (gpointer) name); | |
224 | if (ret) | |
225 | goto end; | |
226 | ||
559c9f86 | 227 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
228 | /* by default, make it visible in the UI */ |
229 | ret->visible = 1; | |
85db4618 | 230 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 231 | |
1fc22eb4 JD |
232 | end: |
233 | return ret; | |
234 | ||
235 | error: | |
236 | return NULL; | |
237 | } | |
238 | ||
239 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
240 | const char *name, int value) | |
241 | { | |
242 | struct perfcounter *cpu_perf, *process_perf; | |
243 | ||
244 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
245 | if (cpu_perf->count < value) { | |
246 | process_perf = get_perf_counter(name, proc, NULL); | |
247 | process_perf->count += value - cpu_perf->count; | |
248 | cpu_perf->count = value; | |
249 | } | |
250 | } | |
251 | ||
4adc8274 | 252 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 253 | const struct bt_definition *scope, |
1fc22eb4 JD |
254 | struct processtop *proc, |
255 | struct cputime *cpu) | |
256 | { | |
2e0a1190 JD |
257 | struct bt_definition const * const *list = NULL; |
258 | const struct bt_definition *field; | |
1fc22eb4 | 259 | unsigned int count; |
bb6d72a2 JD |
260 | struct perfcounter *perfcounter; |
261 | GHashTableIter iter; | |
262 | gpointer key; | |
263 | int ret; | |
1fc22eb4 JD |
264 | |
265 | if (!scope) | |
266 | goto end; | |
267 | ||
268 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
269 | if (ret < 0) | |
270 | goto end; | |
271 | ||
bb6d72a2 JD |
272 | if (count == 0) |
273 | goto end; | |
274 | ||
275 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
276 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
277 | field = bt_ctf_get_field(event, scope, (char *) key); | |
278 | if (field) { | |
279 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
280 | if (bt_ctf_field_get_error()) |
281 | continue; | |
bb6d72a2 | 282 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
283 | } |
284 | } | |
285 | ||
286 | end: | |
287 | return; | |
288 | } | |
289 | ||
4adc8274 | 290 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 291 | { |
1fc22eb4 | 292 | struct cputime *cpu; |
2e0a1190 | 293 | const struct bt_definition *scope; |
1fc22eb4 | 294 | |
d67167cd | 295 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
296 | |
297 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
298 | extract_perf_counter_scope(event, scope, proc, cpu); | |
299 | ||
300 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
301 | extract_perf_counter_scope(event, scope, proc, cpu); | |
302 | ||
303 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
304 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
305 | } |
306 | ||
4adc8274 | 307 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
308 | void *private_data) |
309 | { | |
310 | int pid, tid, ppid; | |
311 | char *comm; | |
312 | struct processtop *parent, *child; | |
1fc22eb4 JD |
313 | unsigned long timestamp; |
314 | ||
c78f2cdc | 315 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
316 | if (timestamp == -1ULL) |
317 | goto error; | |
318 | ||
1dec520a JD |
319 | pid = get_context_pid(call_data); |
320 | if (pid == -1ULL) { | |
1fc22eb4 JD |
321 | goto error; |
322 | } | |
1dec520a JD |
323 | tid = get_context_tid(call_data); |
324 | if (tid == -1ULL) { | |
1fc22eb4 JD |
325 | goto error; |
326 | } | |
1dec520a JD |
327 | ppid = get_context_ppid(call_data); |
328 | if (ppid == -1ULL) { | |
1fc22eb4 JD |
329 | goto error; |
330 | } | |
1dec520a JD |
331 | comm = get_context_comm(call_data); |
332 | if (!comm) { | |
1fc22eb4 JD |
333 | goto error; |
334 | } | |
335 | ||
336 | /* find or create the current process */ | |
337 | child = find_process_tid(<tngtop, tid, comm); | |
338 | if (!child) | |
339 | child = add_proc(<tngtop, tid, comm, timestamp); | |
340 | update_proc(child, pid, tid, ppid, comm); | |
341 | ||
342 | if (pid != tid) { | |
343 | /* find or create the parent */ | |
344 | parent = find_process_tid(<tngtop, pid, comm); | |
345 | if (!parent) { | |
346 | parent = add_proc(<tngtop, pid, comm, timestamp); | |
347 | parent->pid = pid; | |
348 | } | |
349 | ||
350 | /* attach the parent to the current process */ | |
351 | child->threadparent = parent; | |
352 | add_thread(parent, child); | |
353 | } | |
354 | ||
355 | update_perf_counter(child, call_data); | |
356 | ||
357 | return BT_CB_OK; | |
358 | ||
359 | error: | |
360 | return BT_CB_ERROR_STOP; | |
361 | } | |
362 | ||
363 | void init_lttngtop() | |
364 | { | |
365 | copies = g_ptr_array_new(); | |
0d91c12a | 366 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
367 | |
368 | sem_init(&goodtodisplay, 0, 0); | |
369 | sem_init(&goodtoupdate, 0, 1); | |
370 | sem_init(&timer, 0, 1); | |
371 | sem_init(&bootstrap, 0, 0); | |
372 | sem_init(&pause_sem, 0, 1); | |
373 | sem_init(&end_trace_sem, 0, 0); | |
374 | ||
e05a35a6 JD |
375 | reset_global_counters(); |
376 | lttngtop.nbproc = 0; | |
377 | lttngtop.nbthreads = 0; | |
378 | lttngtop.nbfiles = 0; | |
379 | ||
1fc22eb4 JD |
380 | lttngtop.process_table = g_ptr_array_new(); |
381 | lttngtop.files_table = g_ptr_array_new(); | |
382 | lttngtop.cpu_table = g_ptr_array_new(); | |
383 | } | |
384 | ||
c263c4eb | 385 | void usage(FILE *fp) |
1fc22eb4 | 386 | { |
c263c4eb JD |
387 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
388 | fprintf(fp, "Usage : lttngtop /path/to/trace\n"); | |
1fc22eb4 JD |
389 | } |
390 | ||
391 | /* | |
392 | * Return 0 if caller should continue, < 0 if caller should return | |
393 | * error, > 0 if caller should exit without reporting error. | |
394 | */ | |
395 | static int parse_options(int argc, char **argv) | |
396 | { | |
397 | poptContext pc; | |
398 | int opt, ret = 0; | |
399 | ||
1fc22eb4 JD |
400 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
401 | poptReadDefaultConfig(pc, 0); | |
402 | ||
403 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
404 | switch (opt) { | |
405 | case OPT_HELP: | |
406 | usage(stdout); | |
407 | ret = 1; /* exit cleanly */ | |
408 | goto end; | |
1fc22eb4 JD |
409 | default: |
410 | ret = -EINVAL; | |
411 | goto end; | |
412 | } | |
413 | } | |
414 | ||
415 | opt_input_path = poptGetArg(pc); | |
16b22a0f | 416 | |
1fc22eb4 JD |
417 | end: |
418 | if (pc) { | |
419 | poptFreeContext(pc); | |
420 | } | |
421 | return ret; | |
422 | } | |
423 | ||
424 | void iter_trace(struct bt_context *bt_ctx) | |
425 | { | |
426 | struct bt_ctf_iter *iter; | |
427 | struct bt_iter_pos begin_pos; | |
4adc8274 | 428 | const struct bt_ctf_event *event; |
1fc22eb4 JD |
429 | int ret = 0; |
430 | ||
431 | begin_pos.type = BT_SEEK_BEGIN; | |
432 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
433 | ||
6112d0d4 JD |
434 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, |
435 | print_timestamp, | |
436 | NULL, NULL, NULL); | |
437 | ||
438 | #if 0 | |
1fc22eb4 JD |
439 | /* at each event check if we need to refresh */ |
440 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
441 | check_timestamp, | |
442 | NULL, NULL, NULL); | |
443 | /* at each event, verify the status of the process table */ | |
444 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
445 | fix_process_table, | |
446 | NULL, NULL, NULL); | |
447 | /* to handle the scheduling events */ | |
448 | bt_ctf_iter_add_callback(iter, | |
449 | g_quark_from_static_string("sched_switch"), | |
450 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
451 | /* to clean up the process table */ | |
452 | bt_ctf_iter_add_callback(iter, | |
453 | g_quark_from_static_string("sched_process_free"), | |
454 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
928f18a6 MB |
455 | /* to get all the process from the statedumps */ |
456 | bt_ctf_iter_add_callback(iter, | |
457 | g_quark_from_static_string( | |
458 | "lttng_statedump_process_state"), | |
459 | NULL, 0, handle_statedump_process_state, | |
460 | NULL, NULL, NULL); | |
1fc22eb4 JD |
461 | |
462 | /* for IO top */ | |
463 | bt_ctf_iter_add_callback(iter, | |
464 | g_quark_from_static_string("exit_syscall"), | |
465 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
466 | bt_ctf_iter_add_callback(iter, | |
467 | g_quark_from_static_string("sys_write"), | |
468 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
469 | bt_ctf_iter_add_callback(iter, | |
470 | g_quark_from_static_string("sys_read"), | |
471 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
b093de8a MB |
472 | bt_ctf_iter_add_callback(iter, |
473 | g_quark_from_static_string("sys_open"), | |
474 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
b093de8a MB |
475 | bt_ctf_iter_add_callback(iter, |
476 | g_quark_from_static_string("sys_close"), | |
477 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
ceb3a221 MB |
478 | bt_ctf_iter_add_callback(iter, |
479 | g_quark_from_static_string( | |
480 | "lttng_statedump_file_descriptor"), | |
481 | NULL, 0, handle_statedump_file_descriptor, | |
482 | NULL, NULL, NULL); | |
6112d0d4 | 483 | #endif |
1fc22eb4 JD |
484 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
485 | ret = bt_iter_next(bt_ctf_get_iter(iter)); | |
486 | if (ret < 0) | |
487 | goto end_iter; | |
488 | } | |
489 | ||
490 | /* block until quit, we reached the end of the trace */ | |
491 | sem_wait(&end_trace_sem); | |
492 | ||
493 | end_iter: | |
06570214 | 494 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
495 | } |
496 | ||
497 | /* | |
498 | * bt_context_add_traces_recursive: Open a trace recursively | |
499 | * (copied from BSD code in converter/babeltrace.c) | |
500 | * | |
501 | * Find each trace present in the subdirectory starting from the given | |
502 | * path, and add them to the context. The packet_seek parameter can be | |
503 | * NULL: this specify to use the default format packet_seek. | |
504 | * | |
505 | * Return: 0 on success, nonzero on failure. | |
506 | * Unable to open toplevel: failure. | |
507 | * Unable to open some subdirectory or file: warn and continue; | |
508 | */ | |
509 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
510 | const char *format_str, | |
2e0a1190 | 511 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
512 | size_t offset, int whence)) |
513 | { | |
514 | FTS *tree; | |
515 | FTSENT *node; | |
516 | GArray *trace_ids; | |
517 | char lpath[PATH_MAX]; | |
518 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 519 | int ret = -1; |
1fc22eb4 JD |
520 | |
521 | /* | |
522 | * Need to copy path, because fts_open can change it. | |
523 | * It is the pointer array, not the strings, that are constant. | |
524 | */ | |
525 | strncpy(lpath, path, PATH_MAX); | |
526 | lpath[PATH_MAX - 1] = '\0'; | |
527 | ||
528 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
529 | if (tree == NULL) { | |
530 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
531 | path); | |
532 | return -EINVAL; | |
533 | } | |
534 | ||
535 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
536 | ||
537 | while ((node = fts_read(tree))) { | |
538 | int dirfd, metafd; | |
539 | ||
540 | if (!(node->fts_info & FTS_D)) | |
541 | continue; | |
542 | ||
543 | dirfd = open(node->fts_accpath, 0); | |
544 | if (dirfd < 0) { | |
545 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
546 | "directory file descriptor.\n"); | |
547 | ret = dirfd; | |
548 | goto error; | |
549 | } | |
550 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
551 | if (metafd < 0) { | |
7314c855 JD |
552 | close(dirfd); |
553 | ret = -1; | |
554 | continue; | |
1fc22eb4 JD |
555 | } else { |
556 | int trace_id; | |
557 | ||
558 | ret = close(metafd); | |
559 | if (ret < 0) { | |
560 | perror("close"); | |
561 | goto error; | |
562 | } | |
563 | ret = close(dirfd); | |
564 | if (ret < 0) { | |
565 | perror("close"); | |
566 | goto error; | |
567 | } | |
568 | ||
569 | trace_id = bt_context_add_trace(ctx, | |
570 | node->fts_accpath, format_str, | |
571 | packet_seek, NULL, NULL); | |
572 | if (trace_id < 0) { | |
0d567cf1 | 573 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 574 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
575 | /* Allow to skip erroneous traces. */ |
576 | continue; | |
1fc22eb4 JD |
577 | } |
578 | g_array_append_val(trace_ids, trace_id); | |
579 | } | |
580 | } | |
581 | ||
582 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 583 | return ret; |
1fc22eb4 JD |
584 | |
585 | error: | |
586 | return ret; | |
587 | } | |
588 | ||
4553b4d1 | 589 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
590 | int field_cnt, int *tid_check, int *pid_check, |
591 | int *procname_check, int *ppid_check) | |
592 | { | |
593 | int j; | |
bb6d72a2 JD |
594 | struct perfcounter *global; |
595 | const char *name; | |
a54d0d2c JD |
596 | |
597 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 598 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 599 | if (*tid_check == 0) { |
bb6d72a2 | 600 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 601 | (*tid_check)++; |
a54d0d2c JD |
602 | } |
603 | if (*pid_check == 0) { | |
da401e9c | 604 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
605 | (*pid_check)++; |
606 | } | |
607 | if (*ppid_check == 0) { | |
bb6d72a2 | 608 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
609 | (*ppid_check)++; |
610 | } | |
611 | if (*procname_check == 0) { | |
bb6d72a2 | 612 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
613 | (*procname_check)++; |
614 | } | |
bb6d72a2 JD |
615 | if (strncmp(name, "perf_", 5) == 0) { |
616 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
617 | if (!global) { | |
618 | global = g_new0(struct perfcounter, 1); | |
619 | /* by default, sort on the first perf context */ | |
620 | if (g_hash_table_size(global_perf_liszt) == 0) | |
621 | global->sort = 1; | |
622 | global->visible = 1; | |
623 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
624 | } | |
625 | } | |
a54d0d2c | 626 | } |
bb6d72a2 | 627 | |
a54d0d2c JD |
628 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
629 | *procname_check == 1) | |
630 | return 0; | |
631 | ||
632 | return -1; | |
633 | } | |
634 | ||
635 | /* | |
636 | * check_requirements: check if the required context informations are available | |
637 | * | |
638 | * If each mandatory context information is available for at least in one | |
639 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
640 | */ |
641 | int check_requirements(struct bt_context *ctx) | |
642 | { | |
643 | unsigned int i, evt_cnt, field_cnt; | |
644 | struct bt_ctf_event_decl *const * evt_list; | |
645 | const struct bt_ctf_field_decl *const * field_list; | |
646 | int tid_check = 0; | |
647 | int pid_check = 0; | |
648 | int procname_check = 0; | |
649 | int ppid_check = 0; | |
650 | int ret = 0; | |
651 | ||
652 | bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); | |
653 | for (i = 0; i < evt_cnt; i++) { | |
654 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
655 | &field_list, &field_cnt); | |
656 | ret = check_field_requirements(field_list, field_cnt, | |
657 | &tid_check, &pid_check, &procname_check, | |
658 | &ppid_check); | |
a54d0d2c JD |
659 | |
660 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
661 | &field_list, &field_cnt); | |
662 | ret = check_field_requirements(field_list, field_cnt, | |
663 | &tid_check, &pid_check, &procname_check, | |
664 | &ppid_check); | |
a54d0d2c JD |
665 | |
666 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
667 | &field_list, &field_cnt); | |
668 | ret = check_field_requirements(field_list, field_cnt, | |
669 | &tid_check, &pid_check, &procname_check, | |
670 | &ppid_check); | |
a54d0d2c JD |
671 | } |
672 | ||
673 | if (tid_check == 0) { | |
674 | ret = -1; | |
675 | fprintf(stderr, "[error] missing tid context information\n"); | |
676 | } | |
677 | if (pid_check == 0) { | |
678 | ret = -1; | |
679 | fprintf(stderr, "[error] missing pid context information\n"); | |
680 | } | |
681 | if (ppid_check == 0) { | |
682 | ret = -1; | |
683 | fprintf(stderr, "[error] missing ppid context information\n"); | |
684 | } | |
685 | if (procname_check == 0) { | |
686 | ret = -1; | |
687 | fprintf(stderr, "[error] missing procname context information\n"); | |
688 | } | |
689 | ||
a54d0d2c JD |
690 | return ret; |
691 | } | |
692 | ||
4e6aeb3d JD |
693 | void dump_snapshot() |
694 | { | |
c78f2cdc | 695 | #if 0 |
4e6aeb3d JD |
696 | struct lttng_consumer_stream *iter; |
697 | unsigned long spos; | |
698 | struct mmap_stream *new_snapshot; | |
699 | ||
700 | int ret = 0; | |
701 | int i; | |
702 | /* | |
703 | * try lock mutex ressource courante (overrun) | |
704 | * if fail : overrun | |
705 | * stop trace (flush implicite avant stop) | |
706 | * lttng_consumer_take_snapshot | |
707 | * read timestamp packet end (use time as end pos) | |
708 | * - stream_packet_context | |
709 | * - reculer de 1 subbuf : pos - max_subbuff_size | |
710 | * | |
711 | * - position de fin (take_snapshot) | |
712 | * - mov_pos_slow ( fin - max_subbuff_size) lire timestamp packet end | |
713 | * - prend min(end) (activité sur tous les streams) | |
714 | * | |
715 | * start trace | |
716 | * unlock mutex | |
717 | */ | |
718 | ||
719 | helper_kernctl_buffer_flush(consumerd_metadata); | |
720 | for (i = 0; i < lttng_consumer_stream_array->len; i++) { | |
721 | iter = g_ptr_array_index(lttng_consumer_stream_array, i); | |
722 | helper_kernctl_buffer_flush(helper_get_lttng_consumer_stream_wait_fd(iter)); | |
e91044a8 | 723 | printf("Taking snapshot of fd : %d\n", helper_get_lttng_consumer_stream_wait_fd(iter)); |
4e6aeb3d JD |
724 | ret = helper_lttng_consumer_take_snapshot(ctx, iter); |
725 | if (ret != 0) { | |
726 | ret = errno; | |
727 | perror("lttng_consumer_take_snapshots"); | |
728 | goto end; | |
729 | } | |
730 | } | |
731 | for (i = 0; i < lttng_consumer_stream_array->len; i++) { | |
732 | iter = g_ptr_array_index(lttng_consumer_stream_array, i); | |
4e6aeb3d JD |
733 | ret = helper_lttng_consumer_get_produced_snapshot(ctx, iter, &spos); |
734 | if (ret != 0) { | |
735 | ret = errno; | |
736 | perror("helper_lttng_consumer_get_produced_snapshot"); | |
737 | goto end; | |
738 | } | |
e91044a8 | 739 | while (helper_get_lttng_consumer_stream_wait_last_pos(iter) < spos) { |
4e6aeb3d JD |
740 | new_snapshot = g_new0(struct mmap_stream, 1); |
741 | new_snapshot->fd = helper_get_lttng_consumer_stream_wait_fd(iter); | |
e91044a8 JD |
742 | new_snapshot->last_pos = helper_get_lttng_consumer_stream_wait_last_pos(iter); |
743 | fprintf(stderr,"ADDING AVAILABLE SNAPSHOT ON FD %d AT POSITION %lu\n", | |
744 | new_snapshot->fd, | |
745 | new_snapshot->last_pos); | |
4e6aeb3d | 746 | g_ptr_array_add(available_snapshots, new_snapshot); |
e91044a8 JD |
747 | helper_set_lttng_consumer_stream_wait_last_pos(iter, |
748 | helper_get_lttng_consumer_stream_wait_last_pos(iter) + | |
749 | helper_get_lttng_consumer_stream_chan_max_sb_size(iter)); | |
750 | } | |
4e6aeb3d JD |
751 | } |
752 | ||
753 | if (!metadata_ready) { | |
e91044a8 | 754 | fprintf(stderr, "BLOCKING BEFORE METADATA\n"); |
4e6aeb3d | 755 | sem_wait(&metadata_available); |
e91044a8 | 756 | fprintf(stderr,"OPENING TRACE\n"); |
4e6aeb3d JD |
757 | if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) { |
758 | fprintf(stderr,"NO METADATA FILE, SKIPPING\n"); | |
759 | return; | |
760 | } | |
761 | metadata_ready = 1; | |
762 | metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r"); | |
763 | } | |
764 | ||
4e6aeb3d JD |
765 | |
766 | end: | |
767 | return; | |
c78f2cdc | 768 | #endif |
4e6aeb3d JD |
769 | } |
770 | ||
16b22a0f JD |
771 | ssize_t read_subbuffer(struct lttng_consumer_stream *kconsumerd_fd, |
772 | struct lttng_consumer_local_data *ctx) | |
773 | { | |
774 | unsigned long len; | |
775 | int err; | |
776 | long ret = 0; | |
777 | int infd = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
778 | ||
779 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_SPLICE) { | |
780 | /* Get the next subbuffer */ | |
781 | printf("get_next : %d\n", infd); | |
782 | err = helper_kernctl_get_next_subbuf(infd); | |
783 | if (err != 0) { | |
784 | ret = errno; | |
785 | perror("Reserving sub buffer failed (everything is normal, " | |
786 | "it is due to concurrency)"); | |
787 | goto end; | |
788 | } | |
789 | /* read the whole subbuffer */ | |
790 | err = helper_kernctl_get_padded_subbuf_size(infd, &len); | |
791 | if (err != 0) { | |
792 | ret = errno; | |
793 | perror("Getting sub-buffer len failed."); | |
794 | goto end; | |
795 | } | |
796 | printf("len : %ld\n", len); | |
797 | ||
798 | /* splice the subbuffer to the tracefile */ | |
799 | ret = helper_lttng_consumer_on_read_subbuffer_splice(ctx, kconsumerd_fd, len); | |
800 | if (ret < 0) { | |
801 | /* | |
802 | * display the error but continue processing to try | |
803 | * to release the subbuffer | |
804 | */ | |
805 | fprintf(stderr,"Error splicing to tracefile\n"); | |
806 | } | |
807 | printf("ret : %ld\n", ret); | |
808 | printf("put_next : %d\n", infd); | |
809 | err = helper_kernctl_put_next_subbuf(infd); | |
810 | if (err != 0) { | |
811 | ret = errno; | |
812 | perror("Reserving sub buffer failed (everything is normal, " | |
813 | "it is due to concurrency)"); | |
814 | goto end; | |
815 | } | |
4e6aeb3d | 816 | sem_post(&metadata_available); |
16b22a0f JD |
817 | } |
818 | ||
819 | end: | |
820 | return 0; | |
821 | } | |
822 | ||
823 | int on_update_fd(int key, uint32_t state) | |
824 | { | |
825 | /* let the lib handle the metadata FD */ | |
826 | if (key == sessiond_metadata) | |
827 | return 0; | |
828 | return 1; | |
829 | } | |
830 | ||
831 | int on_recv_fd(struct lttng_consumer_stream *kconsumerd_fd) | |
832 | { | |
833 | int ret; | |
834 | struct mmap_stream *new_info; | |
835 | size_t tmp_mmap_len; | |
836 | ||
16b22a0f JD |
837 | /* Opening the tracefile in write mode */ |
838 | if (helper_get_lttng_consumer_stream_path_name(kconsumerd_fd) != NULL) { | |
839 | ret = open(helper_get_lttng_consumer_stream_path_name(kconsumerd_fd), | |
840 | O_WRONLY|O_CREAT|O_TRUNC, S_IRWXU|S_IRWXG|S_IRWXO); | |
841 | if (ret < 0) { | |
842 | perror("open"); | |
843 | goto end; | |
844 | } | |
845 | helper_set_lttng_consumer_stream_out_fd(kconsumerd_fd, ret); | |
846 | } | |
847 | ||
848 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_MMAP) { | |
849 | new_info = malloc(sizeof(struct mmap_stream)); | |
850 | new_info->fd = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
851 | bt_list_add(&new_info->list, &mmap_list.head); | |
852 | ||
853 | /* get the len of the mmap region */ | |
854 | ret = helper_kernctl_get_mmap_len(helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd), | |
855 | &tmp_mmap_len); | |
856 | if (ret != 0) { | |
857 | ret = errno; | |
858 | perror("helper_kernctl_get_mmap_len"); | |
859 | goto end; | |
860 | } | |
861 | helper_set_lttng_consumer_stream_mmap_len(kconsumerd_fd, tmp_mmap_len); | |
16b22a0f JD |
862 | |
863 | helper_set_lttng_consumer_stream_mmap_base(kconsumerd_fd, | |
864 | mmap(NULL, helper_get_lttng_consumer_stream_mmap_len(kconsumerd_fd), | |
865 | PROT_READ, MAP_PRIVATE, helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd), 0)); | |
866 | if (helper_get_lttng_consumer_stream_mmap_base(kconsumerd_fd) == MAP_FAILED) { | |
867 | perror("Error mmaping"); | |
868 | ret = -1; | |
869 | goto end; | |
870 | } | |
871 | ||
872 | g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd); | |
6112d0d4 JD |
873 | /* keep mmap FDs internally */ |
874 | ret = 1; | |
16b22a0f JD |
875 | } else { |
876 | consumerd_metadata = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
877 | sessiond_metadata = helper_get_lttng_consumer_stream_key(kconsumerd_fd); | |
878 | ret = 0; | |
879 | } | |
880 | ||
881 | end: | |
882 | return ret; | |
883 | } | |
884 | ||
e91044a8 JD |
885 | void *live_consume() |
886 | { | |
887 | struct bt_context *bt_ctx = NULL; | |
888 | int ret; | |
889 | ||
71c74ca6 JD |
890 | if (!metadata_ready) { |
891 | fprintf(stderr, "BLOCKING BEFORE METADATA\n"); | |
892 | sem_wait(&metadata_available); | |
893 | fprintf(stderr,"OPENING TRACE\n"); | |
894 | if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) { | |
895 | fprintf(stderr,"NO METADATA FILE, SKIPPING\n"); | |
896 | return NULL; | |
c78f2cdc | 897 | } |
71c74ca6 JD |
898 | metadata_ready = 1; |
899 | metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r"); | |
900 | } | |
c78f2cdc | 901 | |
71c74ca6 JD |
902 | if (!trace_opened) { |
903 | bt_ctx = bt_context_create(); | |
904 | ret = bt_context_add_trace(bt_ctx, NULL, "ctf", | |
905 | lttngtop_ctf_packet_seek, &mmap_list, metadata_fp); | |
906 | if (ret < 0) { | |
907 | printf("Error adding trace\n"); | |
908 | return NULL; | |
e91044a8 | 909 | } |
71c74ca6 | 910 | trace_opened = 1; |
e91044a8 | 911 | } |
71c74ca6 JD |
912 | iter_trace(bt_ctx); |
913 | sleep(1); | |
e91044a8 | 914 | } |
16b22a0f JD |
915 | |
916 | int setup_consumer(char *command_sock_path, pthread_t *threads, | |
917 | struct lttng_consumer_local_data *ctx) | |
918 | { | |
919 | int ret = 0; | |
920 | ||
921 | ctx = helper_lttng_consumer_create(HELPER_LTTNG_CONSUMER_KERNEL, | |
922 | read_subbuffer, NULL, on_recv_fd, on_update_fd); | |
923 | if (!ctx) | |
924 | goto end; | |
925 | ||
926 | unlink(command_sock_path); | |
927 | helper_lttng_consumer_set_command_sock_path(ctx, command_sock_path); | |
928 | helper_lttng_consumer_init(); | |
929 | ||
930 | /* Create the thread to manage the receive of fd */ | |
931 | ret = pthread_create(&threads[0], NULL, helper_lttng_consumer_thread_receive_fds, | |
932 | (void *) ctx); | |
933 | if (ret != 0) { | |
c78f2cdc | 934 | perror("pthread_create receive fd"); |
16b22a0f JD |
935 | goto end; |
936 | } | |
e91044a8 JD |
937 | /* Create thread to manage the polling/writing of traces */ |
938 | ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds, | |
939 | (void *) ctx); | |
940 | if (ret != 0) { | |
c78f2cdc | 941 | perror("pthread_create poll fd"); |
e91044a8 JD |
942 | goto end; |
943 | } | |
944 | ||
16b22a0f JD |
945 | end: |
946 | return ret; | |
947 | } | |
948 | ||
c78f2cdc | 949 | void *setup_live_tracing() |
16b22a0f JD |
950 | { |
951 | struct lttng_domain dom; | |
952 | struct lttng_channel chan; | |
953 | char *channel_name = "mmapchan"; | |
16b22a0f JD |
954 | struct lttng_event ev; |
955 | int ret = 0; | |
956 | char *command_sock_path = "/tmp/consumerd_sock"; | |
957 | static pthread_t threads[2]; /* recv_fd, poll */ | |
958 | struct lttng_event_context kctxpid, kctxcomm, kctxppid, kctxtid; | |
16b22a0f JD |
959 | |
960 | struct lttng_handle *handle; | |
961 | ||
962 | BT_INIT_LIST_HEAD(&mmap_list.head); | |
963 | ||
964 | lttng_consumer_stream_array = g_ptr_array_new(); | |
965 | ||
966 | if ((ret = setup_consumer(command_sock_path, threads, ctx)) < 0) { | |
967 | fprintf(stderr,"error setting up consumer\n"); | |
968 | goto end; | |
969 | } | |
970 | ||
971 | available_snapshots = g_ptr_array_new(); | |
972 | ||
973 | /* setup the session */ | |
974 | dom.type = LTTNG_DOMAIN_KERNEL; | |
975 | ||
976 | ret = system("rm -rf /tmp/livesession"); | |
977 | ||
71c74ca6 | 978 | lttng_destroy_session("test"); |
16b22a0f JD |
979 | if ((ret = lttng_create_session("test", "/tmp/livesession")) < 0) { |
980 | fprintf(stderr,"error creating the session : %s\n", | |
981 | helper_lttcomm_get_readable_code(ret)); | |
982 | goto end; | |
983 | } | |
984 | ||
985 | if ((handle = lttng_create_handle("test", &dom)) == NULL) { | |
986 | fprintf(stderr,"error creating handle\n"); | |
987 | goto end; | |
988 | } | |
989 | ||
990 | if ((ret = lttng_register_consumer(handle, command_sock_path)) < 0) { | |
991 | fprintf(stderr,"error registering consumer : %s\n", | |
992 | helper_lttcomm_get_readable_code(ret)); | |
993 | goto end; | |
994 | } | |
995 | ||
996 | strcpy(chan.name, channel_name); | |
c78f2cdc JD |
997 | chan.attr.overwrite = 0; |
998 | chan.attr.subbuf_size = 32768; | |
999 | // chan.attr.subbuf_size = 1048576; /* 1MB */ | |
16b22a0f JD |
1000 | chan.attr.num_subbuf = 4; |
1001 | chan.attr.switch_timer_interval = 0; | |
1002 | chan.attr.read_timer_interval = 200; | |
1003 | chan.attr.output = LTTNG_EVENT_MMAP; | |
1004 | ||
1005 | if ((ret = lttng_enable_channel(handle, &chan)) < 0) { | |
1006 | fprintf(stderr,"error creating channel : %s\n", helper_lttcomm_get_readable_code(ret)); | |
1007 | goto end; | |
1008 | } | |
1009 | ||
1010 | sprintf(ev.name, "sched_switch"); | |
1011 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1012 | ||
1013 | //if ((ret = lttng_enable_event(handle, NULL, channel_name)) < 0) { | |
1014 | if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) { | |
1015 | fprintf(stderr,"error enabling event : %s\n", helper_lttcomm_get_readable_code(ret)); | |
1016 | goto end; | |
1017 | } | |
1018 | ||
1019 | kctxpid.ctx = LTTNG_EVENT_CONTEXT_PID; | |
1020 | lttng_add_context(handle, &kctxpid, NULL, NULL); | |
1021 | kctxppid.ctx = LTTNG_EVENT_CONTEXT_PPID; | |
1022 | lttng_add_context(handle, &kctxppid, NULL, NULL); | |
1023 | kctxcomm.ctx = LTTNG_EVENT_CONTEXT_PROCNAME; | |
1024 | lttng_add_context(handle, &kctxcomm, NULL, NULL); | |
1025 | kctxtid.ctx = LTTNG_EVENT_CONTEXT_TID; | |
1026 | lttng_add_context(handle, &kctxtid, NULL, NULL); | |
1027 | ||
1028 | if ((ret = lttng_start_tracing("test")) < 0) { | |
1029 | fprintf(stderr,"error starting tracing : %s\n", helper_lttcomm_get_readable_code(ret)); | |
1030 | goto end; | |
1031 | } | |
1032 | ||
1033 | helper_kernctl_buffer_flush(consumerd_metadata); | |
e91044a8 JD |
1034 | |
1035 | /* Create thread to manage the polling/writing of traces */ | |
c78f2cdc | 1036 | ret = pthread_create(&thread_live_consume, NULL, live_consume, NULL); |
e91044a8 JD |
1037 | if (ret != 0) { |
1038 | perror("pthread_create"); | |
1039 | goto end; | |
1040 | } | |
1041 | ||
c78f2cdc | 1042 | // pthread_cancel(live_trace_thread); |
16b22a0f JD |
1043 | |
1044 | /* block until metadata is ready */ | |
4e6aeb3d | 1045 | sem_init(&metadata_available, 0, 0); |
16b22a0f JD |
1046 | |
1047 | //init_lttngtop(); | |
1048 | ||
1049 | end: | |
62e026c6 | 1050 | return NULL; |
16b22a0f JD |
1051 | } |
1052 | ||
1fc22eb4 JD |
1053 | int main(int argc, char **argv) |
1054 | { | |
1055 | int ret; | |
1056 | struct bt_context *bt_ctx = NULL; | |
1057 | ||
1058 | ret = parse_options(argc, argv); | |
1059 | if (ret < 0) { | |
1060 | fprintf(stdout, "Error parsing options.\n\n"); | |
1061 | usage(stdout); | |
1062 | exit(EXIT_FAILURE); | |
1063 | } else if (ret > 0) { | |
1064 | exit(EXIT_SUCCESS); | |
1065 | } | |
1066 | ||
16b22a0f JD |
1067 | if (!opt_input_path) { |
1068 | printf("live tracing enabled\n"); | |
c78f2cdc | 1069 | pthread_create(&live_trace_thread, NULL, setup_live_tracing, (void *) NULL); |
71c74ca6 | 1070 | sleep(2000); |
c78f2cdc JD |
1071 | printf("STOPPING\n"); |
1072 | lttng_stop_tracing("test"); | |
1073 | printf("DESTROYING\n"); | |
1074 | lttng_destroy_session("test"); | |
1075 | ||
1076 | printf("CANCELLING\n"); | |
1077 | pthread_cancel(live_trace_thread); | |
1fc22eb4 | 1078 | goto end; |
16b22a0f JD |
1079 | } else { |
1080 | init_lttngtop(); | |
1081 | ||
1082 | bt_ctx = bt_context_create(); | |
1083 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1084 | if (ret < 0) { | |
1085 | fprintf(stderr, "[error] Opening the trace\n"); | |
1086 | goto end; | |
1087 | } | |
1fc22eb4 | 1088 | |
16b22a0f JD |
1089 | ret = check_requirements(bt_ctx); |
1090 | if (ret < 0) { | |
1091 | fprintf(stderr, "[error] some mandatory contexts were missing, exiting.\n"); | |
1092 | goto end; | |
1093 | } | |
1094 | pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL); | |
1095 | pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL); | |
1fc22eb4 | 1096 | |
16b22a0f | 1097 | iter_trace(bt_ctx); |
1fc22eb4 | 1098 | |
16b22a0f JD |
1099 | quit = 1; |
1100 | pthread_join(display_thread, NULL); | |
1101 | pthread_join(timer_thread, NULL); | |
1102 | } | |
1fc22eb4 JD |
1103 | |
1104 | end: | |
16b22a0f JD |
1105 | if (bt_ctx) |
1106 | bt_context_put(bt_ctx); | |
1107 | ||
1fc22eb4 JD |
1108 | return 0; |
1109 | } |