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 | ||
169 | // printf("%02d:%02d:%02d.%09" PRIu64 "\n", start.tm_hour, start.tm_min, start.tm_sec, ts_nsec_start); | |
170 | ||
171 | return BT_CB_OK; | |
172 | } | |
173 | ||
1fc22eb4 JD |
174 | /* |
175 | * hook on each event to check the timestamp and refresh the display if | |
176 | * necessary | |
177 | */ | |
4adc8274 | 178 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
179 | { |
180 | unsigned long timestamp; | |
181 | ||
c78f2cdc | 182 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
183 | if (timestamp == -1ULL) |
184 | goto error; | |
185 | ||
186 | if (last_display_update == 0) | |
187 | last_display_update = timestamp; | |
188 | ||
189 | if (timestamp - last_display_update >= refresh_display) { | |
190 | sem_wait(&goodtoupdate); | |
191 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
192 | timestamp)); | |
193 | sem_post(&goodtodisplay); | |
194 | sem_post(&bootstrap); | |
195 | last_display_update = timestamp; | |
196 | } | |
197 | return BT_CB_OK; | |
198 | ||
199 | error: | |
200 | fprintf(stderr, "check_timestamp callback error\n"); | |
201 | return BT_CB_ERROR_STOP; | |
202 | } | |
203 | ||
204 | /* | |
205 | * get_perf_counter : get or create and return a perf_counter struct for | |
206 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
207 | */ | |
208 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
209 | struct cputime *cpu) | |
210 | { | |
bb6d72a2 | 211 | struct perfcounter *ret; |
1fc22eb4 JD |
212 | GHashTable *table; |
213 | ||
214 | if (proc) | |
215 | table = proc->perf; | |
216 | else if (cpu) | |
217 | table = cpu->perf; | |
218 | else | |
219 | goto error; | |
220 | ||
221 | ret = g_hash_table_lookup(table, (gpointer) name); | |
222 | if (ret) | |
223 | goto end; | |
224 | ||
559c9f86 | 225 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
226 | /* by default, make it visible in the UI */ |
227 | ret->visible = 1; | |
85db4618 | 228 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 229 | |
1fc22eb4 JD |
230 | end: |
231 | return ret; | |
232 | ||
233 | error: | |
234 | return NULL; | |
235 | } | |
236 | ||
237 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
238 | const char *name, int value) | |
239 | { | |
240 | struct perfcounter *cpu_perf, *process_perf; | |
241 | ||
242 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
243 | if (cpu_perf->count < value) { | |
244 | process_perf = get_perf_counter(name, proc, NULL); | |
245 | process_perf->count += value - cpu_perf->count; | |
246 | cpu_perf->count = value; | |
247 | } | |
248 | } | |
249 | ||
4adc8274 | 250 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 251 | const struct bt_definition *scope, |
1fc22eb4 JD |
252 | struct processtop *proc, |
253 | struct cputime *cpu) | |
254 | { | |
2e0a1190 JD |
255 | struct bt_definition const * const *list = NULL; |
256 | const struct bt_definition *field; | |
1fc22eb4 | 257 | unsigned int count; |
bb6d72a2 JD |
258 | struct perfcounter *perfcounter; |
259 | GHashTableIter iter; | |
260 | gpointer key; | |
261 | int ret; | |
1fc22eb4 JD |
262 | |
263 | if (!scope) | |
264 | goto end; | |
265 | ||
266 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
267 | if (ret < 0) | |
268 | goto end; | |
269 | ||
bb6d72a2 JD |
270 | if (count == 0) |
271 | goto end; | |
272 | ||
273 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
274 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
275 | field = bt_ctf_get_field(event, scope, (char *) key); | |
276 | if (field) { | |
277 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
278 | if (bt_ctf_field_get_error()) |
279 | continue; | |
bb6d72a2 | 280 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
281 | } |
282 | } | |
283 | ||
284 | end: | |
285 | return; | |
286 | } | |
287 | ||
4adc8274 | 288 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 289 | { |
1fc22eb4 | 290 | struct cputime *cpu; |
2e0a1190 | 291 | const struct bt_definition *scope; |
1fc22eb4 | 292 | |
d67167cd | 293 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
294 | |
295 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
296 | extract_perf_counter_scope(event, scope, proc, cpu); | |
297 | ||
298 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
299 | extract_perf_counter_scope(event, scope, proc, cpu); | |
300 | ||
301 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
302 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
303 | } |
304 | ||
4adc8274 | 305 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
306 | void *private_data) |
307 | { | |
308 | int pid, tid, ppid; | |
309 | char *comm; | |
310 | struct processtop *parent, *child; | |
1fc22eb4 JD |
311 | unsigned long timestamp; |
312 | ||
c78f2cdc | 313 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
314 | if (timestamp == -1ULL) |
315 | goto error; | |
316 | ||
1dec520a JD |
317 | pid = get_context_pid(call_data); |
318 | if (pid == -1ULL) { | |
1fc22eb4 JD |
319 | goto error; |
320 | } | |
1dec520a JD |
321 | tid = get_context_tid(call_data); |
322 | if (tid == -1ULL) { | |
1fc22eb4 JD |
323 | goto error; |
324 | } | |
1dec520a JD |
325 | ppid = get_context_ppid(call_data); |
326 | if (ppid == -1ULL) { | |
1fc22eb4 JD |
327 | goto error; |
328 | } | |
1dec520a JD |
329 | comm = get_context_comm(call_data); |
330 | if (!comm) { | |
1fc22eb4 JD |
331 | goto error; |
332 | } | |
333 | ||
334 | /* find or create the current process */ | |
335 | child = find_process_tid(<tngtop, tid, comm); | |
336 | if (!child) | |
337 | child = add_proc(<tngtop, tid, comm, timestamp); | |
338 | update_proc(child, pid, tid, ppid, comm); | |
339 | ||
340 | if (pid != tid) { | |
341 | /* find or create the parent */ | |
342 | parent = find_process_tid(<tngtop, pid, comm); | |
343 | if (!parent) { | |
344 | parent = add_proc(<tngtop, pid, comm, timestamp); | |
345 | parent->pid = pid; | |
346 | } | |
347 | ||
348 | /* attach the parent to the current process */ | |
349 | child->threadparent = parent; | |
350 | add_thread(parent, child); | |
351 | } | |
352 | ||
353 | update_perf_counter(child, call_data); | |
354 | ||
355 | return BT_CB_OK; | |
356 | ||
357 | error: | |
358 | return BT_CB_ERROR_STOP; | |
359 | } | |
360 | ||
361 | void init_lttngtop() | |
362 | { | |
363 | copies = g_ptr_array_new(); | |
0d91c12a | 364 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
365 | |
366 | sem_init(&goodtodisplay, 0, 0); | |
367 | sem_init(&goodtoupdate, 0, 1); | |
368 | sem_init(&timer, 0, 1); | |
369 | sem_init(&bootstrap, 0, 0); | |
370 | sem_init(&pause_sem, 0, 1); | |
371 | sem_init(&end_trace_sem, 0, 0); | |
372 | ||
e05a35a6 JD |
373 | reset_global_counters(); |
374 | lttngtop.nbproc = 0; | |
375 | lttngtop.nbthreads = 0; | |
376 | lttngtop.nbfiles = 0; | |
377 | ||
1fc22eb4 JD |
378 | lttngtop.process_table = g_ptr_array_new(); |
379 | lttngtop.files_table = g_ptr_array_new(); | |
380 | lttngtop.cpu_table = g_ptr_array_new(); | |
381 | } | |
382 | ||
c263c4eb | 383 | void usage(FILE *fp) |
1fc22eb4 | 384 | { |
c263c4eb JD |
385 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
386 | fprintf(fp, "Usage : lttngtop /path/to/trace\n"); | |
1fc22eb4 JD |
387 | } |
388 | ||
389 | /* | |
390 | * Return 0 if caller should continue, < 0 if caller should return | |
391 | * error, > 0 if caller should exit without reporting error. | |
392 | */ | |
393 | static int parse_options(int argc, char **argv) | |
394 | { | |
395 | poptContext pc; | |
396 | int opt, ret = 0; | |
397 | ||
1fc22eb4 JD |
398 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
399 | poptReadDefaultConfig(pc, 0); | |
400 | ||
401 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
402 | switch (opt) { | |
403 | case OPT_HELP: | |
404 | usage(stdout); | |
405 | ret = 1; /* exit cleanly */ | |
406 | goto end; | |
1fc22eb4 JD |
407 | default: |
408 | ret = -EINVAL; | |
409 | goto end; | |
410 | } | |
411 | } | |
412 | ||
413 | opt_input_path = poptGetArg(pc); | |
16b22a0f | 414 | |
1fc22eb4 JD |
415 | end: |
416 | if (pc) { | |
417 | poptFreeContext(pc); | |
418 | } | |
419 | return ret; | |
420 | } | |
421 | ||
422 | void iter_trace(struct bt_context *bt_ctx) | |
423 | { | |
424 | struct bt_ctf_iter *iter; | |
425 | struct bt_iter_pos begin_pos; | |
4adc8274 | 426 | const struct bt_ctf_event *event; |
1fc22eb4 JD |
427 | int ret = 0; |
428 | ||
429 | begin_pos.type = BT_SEEK_BEGIN; | |
430 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
431 | ||
6112d0d4 JD |
432 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, |
433 | print_timestamp, | |
434 | NULL, NULL, NULL); | |
435 | ||
436 | #if 0 | |
1fc22eb4 JD |
437 | /* at each event check if we need to refresh */ |
438 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
439 | check_timestamp, | |
440 | NULL, NULL, NULL); | |
441 | /* at each event, verify the status of the process table */ | |
442 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
443 | fix_process_table, | |
444 | NULL, NULL, NULL); | |
445 | /* to handle the scheduling events */ | |
446 | bt_ctf_iter_add_callback(iter, | |
447 | g_quark_from_static_string("sched_switch"), | |
448 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
449 | /* to clean up the process table */ | |
450 | bt_ctf_iter_add_callback(iter, | |
451 | g_quark_from_static_string("sched_process_free"), | |
452 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
928f18a6 MB |
453 | /* to get all the process from the statedumps */ |
454 | bt_ctf_iter_add_callback(iter, | |
455 | g_quark_from_static_string( | |
456 | "lttng_statedump_process_state"), | |
457 | NULL, 0, handle_statedump_process_state, | |
458 | NULL, NULL, NULL); | |
1fc22eb4 JD |
459 | |
460 | /* for IO top */ | |
461 | bt_ctf_iter_add_callback(iter, | |
462 | g_quark_from_static_string("exit_syscall"), | |
463 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
464 | bt_ctf_iter_add_callback(iter, | |
465 | g_quark_from_static_string("sys_write"), | |
466 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
467 | bt_ctf_iter_add_callback(iter, | |
468 | g_quark_from_static_string("sys_read"), | |
469 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
b093de8a MB |
470 | bt_ctf_iter_add_callback(iter, |
471 | g_quark_from_static_string("sys_open"), | |
472 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
b093de8a MB |
473 | bt_ctf_iter_add_callback(iter, |
474 | g_quark_from_static_string("sys_close"), | |
475 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
ceb3a221 MB |
476 | bt_ctf_iter_add_callback(iter, |
477 | g_quark_from_static_string( | |
478 | "lttng_statedump_file_descriptor"), | |
479 | NULL, 0, handle_statedump_file_descriptor, | |
480 | NULL, NULL, NULL); | |
6112d0d4 | 481 | #endif |
1fc22eb4 JD |
482 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
483 | ret = bt_iter_next(bt_ctf_get_iter(iter)); | |
484 | if (ret < 0) | |
485 | goto end_iter; | |
486 | } | |
487 | ||
488 | /* block until quit, we reached the end of the trace */ | |
489 | sem_wait(&end_trace_sem); | |
490 | ||
491 | end_iter: | |
06570214 | 492 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
493 | } |
494 | ||
495 | /* | |
496 | * bt_context_add_traces_recursive: Open a trace recursively | |
497 | * (copied from BSD code in converter/babeltrace.c) | |
498 | * | |
499 | * Find each trace present in the subdirectory starting from the given | |
500 | * path, and add them to the context. The packet_seek parameter can be | |
501 | * NULL: this specify to use the default format packet_seek. | |
502 | * | |
503 | * Return: 0 on success, nonzero on failure. | |
504 | * Unable to open toplevel: failure. | |
505 | * Unable to open some subdirectory or file: warn and continue; | |
506 | */ | |
507 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
508 | const char *format_str, | |
2e0a1190 | 509 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
510 | size_t offset, int whence)) |
511 | { | |
512 | FTS *tree; | |
513 | FTSENT *node; | |
514 | GArray *trace_ids; | |
515 | char lpath[PATH_MAX]; | |
516 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 517 | int ret = -1; |
1fc22eb4 JD |
518 | |
519 | /* | |
520 | * Need to copy path, because fts_open can change it. | |
521 | * It is the pointer array, not the strings, that are constant. | |
522 | */ | |
523 | strncpy(lpath, path, PATH_MAX); | |
524 | lpath[PATH_MAX - 1] = '\0'; | |
525 | ||
526 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
527 | if (tree == NULL) { | |
528 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
529 | path); | |
530 | return -EINVAL; | |
531 | } | |
532 | ||
533 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
534 | ||
535 | while ((node = fts_read(tree))) { | |
536 | int dirfd, metafd; | |
537 | ||
538 | if (!(node->fts_info & FTS_D)) | |
539 | continue; | |
540 | ||
541 | dirfd = open(node->fts_accpath, 0); | |
542 | if (dirfd < 0) { | |
543 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
544 | "directory file descriptor.\n"); | |
545 | ret = dirfd; | |
546 | goto error; | |
547 | } | |
548 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
549 | if (metafd < 0) { | |
7314c855 JD |
550 | close(dirfd); |
551 | ret = -1; | |
552 | continue; | |
1fc22eb4 JD |
553 | } else { |
554 | int trace_id; | |
555 | ||
556 | ret = close(metafd); | |
557 | if (ret < 0) { | |
558 | perror("close"); | |
559 | goto error; | |
560 | } | |
561 | ret = close(dirfd); | |
562 | if (ret < 0) { | |
563 | perror("close"); | |
564 | goto error; | |
565 | } | |
566 | ||
567 | trace_id = bt_context_add_trace(ctx, | |
568 | node->fts_accpath, format_str, | |
569 | packet_seek, NULL, NULL); | |
570 | if (trace_id < 0) { | |
0d567cf1 | 571 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 572 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
573 | /* Allow to skip erroneous traces. */ |
574 | continue; | |
1fc22eb4 JD |
575 | } |
576 | g_array_append_val(trace_ids, trace_id); | |
577 | } | |
578 | } | |
579 | ||
580 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 581 | return ret; |
1fc22eb4 JD |
582 | |
583 | error: | |
584 | return ret; | |
585 | } | |
586 | ||
4553b4d1 | 587 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
588 | int field_cnt, int *tid_check, int *pid_check, |
589 | int *procname_check, int *ppid_check) | |
590 | { | |
591 | int j; | |
bb6d72a2 JD |
592 | struct perfcounter *global; |
593 | const char *name; | |
a54d0d2c JD |
594 | |
595 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 596 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 597 | if (*tid_check == 0) { |
bb6d72a2 | 598 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 599 | (*tid_check)++; |
a54d0d2c JD |
600 | } |
601 | if (*pid_check == 0) { | |
da401e9c | 602 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
603 | (*pid_check)++; |
604 | } | |
605 | if (*ppid_check == 0) { | |
bb6d72a2 | 606 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
607 | (*ppid_check)++; |
608 | } | |
609 | if (*procname_check == 0) { | |
bb6d72a2 | 610 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
611 | (*procname_check)++; |
612 | } | |
bb6d72a2 JD |
613 | if (strncmp(name, "perf_", 5) == 0) { |
614 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
615 | if (!global) { | |
616 | global = g_new0(struct perfcounter, 1); | |
617 | /* by default, sort on the first perf context */ | |
618 | if (g_hash_table_size(global_perf_liszt) == 0) | |
619 | global->sort = 1; | |
620 | global->visible = 1; | |
621 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
622 | } | |
623 | } | |
a54d0d2c | 624 | } |
bb6d72a2 | 625 | |
a54d0d2c JD |
626 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
627 | *procname_check == 1) | |
628 | return 0; | |
629 | ||
630 | return -1; | |
631 | } | |
632 | ||
633 | /* | |
634 | * check_requirements: check if the required context informations are available | |
635 | * | |
636 | * If each mandatory context information is available for at least in one | |
637 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
638 | */ |
639 | int check_requirements(struct bt_context *ctx) | |
640 | { | |
641 | unsigned int i, evt_cnt, field_cnt; | |
642 | struct bt_ctf_event_decl *const * evt_list; | |
643 | const struct bt_ctf_field_decl *const * field_list; | |
644 | int tid_check = 0; | |
645 | int pid_check = 0; | |
646 | int procname_check = 0; | |
647 | int ppid_check = 0; | |
648 | int ret = 0; | |
649 | ||
650 | bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); | |
651 | for (i = 0; i < evt_cnt; i++) { | |
652 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
653 | &field_list, &field_cnt); | |
654 | ret = check_field_requirements(field_list, field_cnt, | |
655 | &tid_check, &pid_check, &procname_check, | |
656 | &ppid_check); | |
a54d0d2c JD |
657 | |
658 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
659 | &field_list, &field_cnt); | |
660 | ret = check_field_requirements(field_list, field_cnt, | |
661 | &tid_check, &pid_check, &procname_check, | |
662 | &ppid_check); | |
a54d0d2c JD |
663 | |
664 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_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 | ||
671 | if (tid_check == 0) { | |
672 | ret = -1; | |
673 | fprintf(stderr, "[error] missing tid context information\n"); | |
674 | } | |
675 | if (pid_check == 0) { | |
676 | ret = -1; | |
677 | fprintf(stderr, "[error] missing pid context information\n"); | |
678 | } | |
679 | if (ppid_check == 0) { | |
680 | ret = -1; | |
681 | fprintf(stderr, "[error] missing ppid context information\n"); | |
682 | } | |
683 | if (procname_check == 0) { | |
684 | ret = -1; | |
685 | fprintf(stderr, "[error] missing procname context information\n"); | |
686 | } | |
687 | ||
a54d0d2c JD |
688 | return ret; |
689 | } | |
690 | ||
4e6aeb3d JD |
691 | void dump_snapshot() |
692 | { | |
c78f2cdc | 693 | #if 0 |
4e6aeb3d JD |
694 | struct lttng_consumer_stream *iter; |
695 | unsigned long spos; | |
696 | struct mmap_stream *new_snapshot; | |
697 | ||
698 | int ret = 0; | |
699 | int i; | |
700 | /* | |
701 | * try lock mutex ressource courante (overrun) | |
702 | * if fail : overrun | |
703 | * stop trace (flush implicite avant stop) | |
704 | * lttng_consumer_take_snapshot | |
705 | * read timestamp packet end (use time as end pos) | |
706 | * - stream_packet_context | |
707 | * - reculer de 1 subbuf : pos - max_subbuff_size | |
708 | * | |
709 | * - position de fin (take_snapshot) | |
710 | * - mov_pos_slow ( fin - max_subbuff_size) lire timestamp packet end | |
711 | * - prend min(end) (activité sur tous les streams) | |
712 | * | |
713 | * start trace | |
714 | * unlock mutex | |
715 | */ | |
716 | ||
717 | helper_kernctl_buffer_flush(consumerd_metadata); | |
718 | for (i = 0; i < lttng_consumer_stream_array->len; i++) { | |
719 | iter = g_ptr_array_index(lttng_consumer_stream_array, i); | |
720 | helper_kernctl_buffer_flush(helper_get_lttng_consumer_stream_wait_fd(iter)); | |
e91044a8 | 721 | printf("Taking snapshot of fd : %d\n", helper_get_lttng_consumer_stream_wait_fd(iter)); |
4e6aeb3d JD |
722 | ret = helper_lttng_consumer_take_snapshot(ctx, iter); |
723 | if (ret != 0) { | |
724 | ret = errno; | |
725 | perror("lttng_consumer_take_snapshots"); | |
726 | goto end; | |
727 | } | |
728 | } | |
729 | for (i = 0; i < lttng_consumer_stream_array->len; i++) { | |
730 | iter = g_ptr_array_index(lttng_consumer_stream_array, i); | |
4e6aeb3d JD |
731 | ret = helper_lttng_consumer_get_produced_snapshot(ctx, iter, &spos); |
732 | if (ret != 0) { | |
733 | ret = errno; | |
734 | perror("helper_lttng_consumer_get_produced_snapshot"); | |
735 | goto end; | |
736 | } | |
e91044a8 | 737 | while (helper_get_lttng_consumer_stream_wait_last_pos(iter) < spos) { |
4e6aeb3d JD |
738 | new_snapshot = g_new0(struct mmap_stream, 1); |
739 | new_snapshot->fd = helper_get_lttng_consumer_stream_wait_fd(iter); | |
e91044a8 JD |
740 | new_snapshot->last_pos = helper_get_lttng_consumer_stream_wait_last_pos(iter); |
741 | fprintf(stderr,"ADDING AVAILABLE SNAPSHOT ON FD %d AT POSITION %lu\n", | |
742 | new_snapshot->fd, | |
743 | new_snapshot->last_pos); | |
4e6aeb3d | 744 | g_ptr_array_add(available_snapshots, new_snapshot); |
e91044a8 JD |
745 | helper_set_lttng_consumer_stream_wait_last_pos(iter, |
746 | helper_get_lttng_consumer_stream_wait_last_pos(iter) + | |
747 | helper_get_lttng_consumer_stream_chan_max_sb_size(iter)); | |
748 | } | |
4e6aeb3d JD |
749 | } |
750 | ||
751 | if (!metadata_ready) { | |
e91044a8 | 752 | fprintf(stderr, "BLOCKING BEFORE METADATA\n"); |
4e6aeb3d | 753 | sem_wait(&metadata_available); |
e91044a8 | 754 | fprintf(stderr,"OPENING TRACE\n"); |
4e6aeb3d JD |
755 | if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) { |
756 | fprintf(stderr,"NO METADATA FILE, SKIPPING\n"); | |
757 | return; | |
758 | } | |
759 | metadata_ready = 1; | |
760 | metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r"); | |
761 | } | |
762 | ||
4e6aeb3d JD |
763 | |
764 | end: | |
765 | return; | |
c78f2cdc | 766 | #endif |
4e6aeb3d JD |
767 | } |
768 | ||
16b22a0f JD |
769 | ssize_t read_subbuffer(struct lttng_consumer_stream *kconsumerd_fd, |
770 | struct lttng_consumer_local_data *ctx) | |
771 | { | |
772 | unsigned long len; | |
773 | int err; | |
774 | long ret = 0; | |
775 | int infd = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
776 | ||
777 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_SPLICE) { | |
778 | /* Get the next subbuffer */ | |
779 | printf("get_next : %d\n", infd); | |
780 | err = helper_kernctl_get_next_subbuf(infd); | |
781 | if (err != 0) { | |
782 | ret = errno; | |
783 | perror("Reserving sub buffer failed (everything is normal, " | |
784 | "it is due to concurrency)"); | |
785 | goto end; | |
786 | } | |
787 | /* read the whole subbuffer */ | |
788 | err = helper_kernctl_get_padded_subbuf_size(infd, &len); | |
789 | if (err != 0) { | |
790 | ret = errno; | |
791 | perror("Getting sub-buffer len failed."); | |
792 | goto end; | |
793 | } | |
794 | printf("len : %ld\n", len); | |
795 | ||
796 | /* splice the subbuffer to the tracefile */ | |
797 | ret = helper_lttng_consumer_on_read_subbuffer_splice(ctx, kconsumerd_fd, len); | |
798 | if (ret < 0) { | |
799 | /* | |
800 | * display the error but continue processing to try | |
801 | * to release the subbuffer | |
802 | */ | |
803 | fprintf(stderr,"Error splicing to tracefile\n"); | |
804 | } | |
805 | printf("ret : %ld\n", ret); | |
806 | printf("put_next : %d\n", infd); | |
807 | err = helper_kernctl_put_next_subbuf(infd); | |
808 | if (err != 0) { | |
809 | ret = errno; | |
810 | perror("Reserving sub buffer failed (everything is normal, " | |
811 | "it is due to concurrency)"); | |
812 | goto end; | |
813 | } | |
4e6aeb3d | 814 | sem_post(&metadata_available); |
16b22a0f JD |
815 | } |
816 | ||
817 | end: | |
818 | return 0; | |
819 | } | |
820 | ||
821 | int on_update_fd(int key, uint32_t state) | |
822 | { | |
823 | /* let the lib handle the metadata FD */ | |
824 | if (key == sessiond_metadata) | |
825 | return 0; | |
826 | return 1; | |
827 | } | |
828 | ||
829 | int on_recv_fd(struct lttng_consumer_stream *kconsumerd_fd) | |
830 | { | |
831 | int ret; | |
832 | struct mmap_stream *new_info; | |
833 | size_t tmp_mmap_len; | |
834 | ||
16b22a0f JD |
835 | /* Opening the tracefile in write mode */ |
836 | if (helper_get_lttng_consumer_stream_path_name(kconsumerd_fd) != NULL) { | |
837 | ret = open(helper_get_lttng_consumer_stream_path_name(kconsumerd_fd), | |
838 | O_WRONLY|O_CREAT|O_TRUNC, S_IRWXU|S_IRWXG|S_IRWXO); | |
839 | if (ret < 0) { | |
840 | perror("open"); | |
841 | goto end; | |
842 | } | |
843 | helper_set_lttng_consumer_stream_out_fd(kconsumerd_fd, ret); | |
844 | } | |
845 | ||
846 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_MMAP) { | |
847 | new_info = malloc(sizeof(struct mmap_stream)); | |
848 | new_info->fd = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
849 | bt_list_add(&new_info->list, &mmap_list.head); | |
850 | ||
851 | /* get the len of the mmap region */ | |
852 | ret = helper_kernctl_get_mmap_len(helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd), | |
853 | &tmp_mmap_len); | |
854 | if (ret != 0) { | |
855 | ret = errno; | |
856 | perror("helper_kernctl_get_mmap_len"); | |
857 | goto end; | |
858 | } | |
859 | helper_set_lttng_consumer_stream_mmap_len(kconsumerd_fd, tmp_mmap_len); | |
16b22a0f JD |
860 | |
861 | helper_set_lttng_consumer_stream_mmap_base(kconsumerd_fd, | |
862 | mmap(NULL, helper_get_lttng_consumer_stream_mmap_len(kconsumerd_fd), | |
863 | PROT_READ, MAP_PRIVATE, helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd), 0)); | |
864 | if (helper_get_lttng_consumer_stream_mmap_base(kconsumerd_fd) == MAP_FAILED) { | |
865 | perror("Error mmaping"); | |
866 | ret = -1; | |
867 | goto end; | |
868 | } | |
869 | ||
870 | g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd); | |
6112d0d4 JD |
871 | /* keep mmap FDs internally */ |
872 | ret = 1; | |
16b22a0f JD |
873 | } else { |
874 | consumerd_metadata = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
875 | sessiond_metadata = helper_get_lttng_consumer_stream_key(kconsumerd_fd); | |
876 | ret = 0; | |
877 | } | |
878 | ||
879 | end: | |
880 | return ret; | |
881 | } | |
882 | ||
e91044a8 JD |
883 | void *live_consume() |
884 | { | |
885 | struct bt_context *bt_ctx = NULL; | |
886 | int ret; | |
887 | ||
888 | while (1) { | |
c78f2cdc JD |
889 | // dump_snapshot(); |
890 | ||
891 | if (!metadata_ready) { | |
892 | fprintf(stderr, "BLOCKING BEFORE METADATA\n"); | |
893 | sem_wait(&metadata_available); | |
894 | fprintf(stderr,"OPENING TRACE\n"); | |
895 | if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) { | |
896 | fprintf(stderr,"NO METADATA FILE, SKIPPING\n"); | |
62e026c6 | 897 | return NULL; |
c78f2cdc JD |
898 | } |
899 | metadata_ready = 1; | |
900 | metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r"); | |
901 | } | |
902 | ||
e91044a8 JD |
903 | if (!trace_opened) { |
904 | bt_ctx = bt_context_create(); | |
c78f2cdc JD |
905 | ret = bt_context_add_trace(bt_ctx, NULL, "ctf", |
906 | lttngtop_ctf_packet_seek, &mmap_list, metadata_fp); | |
62e026c6 JD |
907 | if (ret < 0) { |
908 | printf("Error adding trace\n"); | |
909 | return NULL; | |
910 | } | |
e91044a8 JD |
911 | trace_opened = 1; |
912 | } | |
c78f2cdc | 913 | iter_trace(bt_ctx); |
e91044a8 JD |
914 | sleep(1); |
915 | } | |
916 | } | |
16b22a0f JD |
917 | |
918 | int setup_consumer(char *command_sock_path, pthread_t *threads, | |
919 | struct lttng_consumer_local_data *ctx) | |
920 | { | |
921 | int ret = 0; | |
922 | ||
923 | ctx = helper_lttng_consumer_create(HELPER_LTTNG_CONSUMER_KERNEL, | |
924 | read_subbuffer, NULL, on_recv_fd, on_update_fd); | |
925 | if (!ctx) | |
926 | goto end; | |
927 | ||
928 | unlink(command_sock_path); | |
929 | helper_lttng_consumer_set_command_sock_path(ctx, command_sock_path); | |
930 | helper_lttng_consumer_init(); | |
931 | ||
932 | /* Create the thread to manage the receive of fd */ | |
933 | ret = pthread_create(&threads[0], NULL, helper_lttng_consumer_thread_receive_fds, | |
934 | (void *) ctx); | |
935 | if (ret != 0) { | |
c78f2cdc | 936 | perror("pthread_create receive fd"); |
16b22a0f JD |
937 | goto end; |
938 | } | |
e91044a8 JD |
939 | /* Create thread to manage the polling/writing of traces */ |
940 | ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds, | |
941 | (void *) ctx); | |
942 | if (ret != 0) { | |
c78f2cdc | 943 | perror("pthread_create poll fd"); |
e91044a8 JD |
944 | goto end; |
945 | } | |
946 | ||
16b22a0f JD |
947 | end: |
948 | return ret; | |
949 | } | |
950 | ||
c78f2cdc | 951 | void *setup_live_tracing() |
16b22a0f JD |
952 | { |
953 | struct lttng_domain dom; | |
954 | struct lttng_channel chan; | |
955 | char *channel_name = "mmapchan"; | |
16b22a0f JD |
956 | struct lttng_event ev; |
957 | int ret = 0; | |
958 | char *command_sock_path = "/tmp/consumerd_sock"; | |
959 | static pthread_t threads[2]; /* recv_fd, poll */ | |
960 | struct lttng_event_context kctxpid, kctxcomm, kctxppid, kctxtid; | |
16b22a0f JD |
961 | |
962 | struct lttng_handle *handle; | |
963 | ||
964 | BT_INIT_LIST_HEAD(&mmap_list.head); | |
965 | ||
966 | lttng_consumer_stream_array = g_ptr_array_new(); | |
967 | ||
968 | if ((ret = setup_consumer(command_sock_path, threads, ctx)) < 0) { | |
969 | fprintf(stderr,"error setting up consumer\n"); | |
970 | goto end; | |
971 | } | |
972 | ||
973 | available_snapshots = g_ptr_array_new(); | |
974 | ||
975 | /* setup the session */ | |
976 | dom.type = LTTNG_DOMAIN_KERNEL; | |
977 | ||
978 | ret = system("rm -rf /tmp/livesession"); | |
979 | ||
980 | if ((ret = lttng_create_session("test", "/tmp/livesession")) < 0) { | |
981 | fprintf(stderr,"error creating the session : %s\n", | |
982 | helper_lttcomm_get_readable_code(ret)); | |
983 | goto end; | |
984 | } | |
985 | ||
986 | if ((handle = lttng_create_handle("test", &dom)) == NULL) { | |
987 | fprintf(stderr,"error creating handle\n"); | |
988 | goto end; | |
989 | } | |
990 | ||
991 | if ((ret = lttng_register_consumer(handle, command_sock_path)) < 0) { | |
992 | fprintf(stderr,"error registering consumer : %s\n", | |
993 | helper_lttcomm_get_readable_code(ret)); | |
994 | goto end; | |
995 | } | |
996 | ||
997 | strcpy(chan.name, channel_name); | |
c78f2cdc JD |
998 | chan.attr.overwrite = 0; |
999 | chan.attr.subbuf_size = 32768; | |
1000 | // chan.attr.subbuf_size = 1048576; /* 1MB */ | |
16b22a0f JD |
1001 | chan.attr.num_subbuf = 4; |
1002 | chan.attr.switch_timer_interval = 0; | |
1003 | chan.attr.read_timer_interval = 200; | |
1004 | chan.attr.output = LTTNG_EVENT_MMAP; | |
1005 | ||
1006 | if ((ret = lttng_enable_channel(handle, &chan)) < 0) { | |
1007 | fprintf(stderr,"error creating channel : %s\n", helper_lttcomm_get_readable_code(ret)); | |
1008 | goto end; | |
1009 | } | |
1010 | ||
1011 | sprintf(ev.name, "sched_switch"); | |
1012 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
1013 | ||
1014 | //if ((ret = lttng_enable_event(handle, NULL, channel_name)) < 0) { | |
1015 | if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) { | |
1016 | fprintf(stderr,"error enabling event : %s\n", helper_lttcomm_get_readable_code(ret)); | |
1017 | goto end; | |
1018 | } | |
1019 | ||
1020 | kctxpid.ctx = LTTNG_EVENT_CONTEXT_PID; | |
1021 | lttng_add_context(handle, &kctxpid, NULL, NULL); | |
1022 | kctxppid.ctx = LTTNG_EVENT_CONTEXT_PPID; | |
1023 | lttng_add_context(handle, &kctxppid, NULL, NULL); | |
1024 | kctxcomm.ctx = LTTNG_EVENT_CONTEXT_PROCNAME; | |
1025 | lttng_add_context(handle, &kctxcomm, NULL, NULL); | |
1026 | kctxtid.ctx = LTTNG_EVENT_CONTEXT_TID; | |
1027 | lttng_add_context(handle, &kctxtid, NULL, NULL); | |
1028 | ||
1029 | if ((ret = lttng_start_tracing("test")) < 0) { | |
1030 | fprintf(stderr,"error starting tracing : %s\n", helper_lttcomm_get_readable_code(ret)); | |
1031 | goto end; | |
1032 | } | |
1033 | ||
1034 | helper_kernctl_buffer_flush(consumerd_metadata); | |
e91044a8 JD |
1035 | |
1036 | /* Create thread to manage the polling/writing of traces */ | |
c78f2cdc | 1037 | ret = pthread_create(&thread_live_consume, NULL, live_consume, NULL); |
e91044a8 JD |
1038 | if (ret != 0) { |
1039 | perror("pthread_create"); | |
1040 | goto end; | |
1041 | } | |
1042 | ||
c78f2cdc | 1043 | // pthread_cancel(live_trace_thread); |
16b22a0f JD |
1044 | |
1045 | /* block until metadata is ready */ | |
4e6aeb3d | 1046 | sem_init(&metadata_available, 0, 0); |
16b22a0f JD |
1047 | |
1048 | //init_lttngtop(); | |
1049 | ||
1050 | end: | |
62e026c6 | 1051 | return NULL; |
16b22a0f JD |
1052 | } |
1053 | ||
1fc22eb4 JD |
1054 | int main(int argc, char **argv) |
1055 | { | |
1056 | int ret; | |
1057 | struct bt_context *bt_ctx = NULL; | |
1058 | ||
1059 | ret = parse_options(argc, argv); | |
1060 | if (ret < 0) { | |
1061 | fprintf(stdout, "Error parsing options.\n\n"); | |
1062 | usage(stdout); | |
1063 | exit(EXIT_FAILURE); | |
1064 | } else if (ret > 0) { | |
1065 | exit(EXIT_SUCCESS); | |
1066 | } | |
1067 | ||
16b22a0f JD |
1068 | if (!opt_input_path) { |
1069 | printf("live tracing enabled\n"); | |
c78f2cdc JD |
1070 | pthread_create(&live_trace_thread, NULL, setup_live_tracing, (void *) NULL); |
1071 | sleep(20); | |
1072 | printf("STOPPING\n"); | |
1073 | lttng_stop_tracing("test"); | |
1074 | printf("DESTROYING\n"); | |
1075 | lttng_destroy_session("test"); | |
1076 | ||
1077 | printf("CANCELLING\n"); | |
1078 | pthread_cancel(live_trace_thread); | |
1fc22eb4 | 1079 | goto end; |
16b22a0f JD |
1080 | } else { |
1081 | init_lttngtop(); | |
1082 | ||
1083 | bt_ctx = bt_context_create(); | |
1084 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1085 | if (ret < 0) { | |
1086 | fprintf(stderr, "[error] Opening the trace\n"); | |
1087 | goto end; | |
1088 | } | |
1fc22eb4 | 1089 | |
16b22a0f JD |
1090 | ret = check_requirements(bt_ctx); |
1091 | if (ret < 0) { | |
1092 | fprintf(stderr, "[error] some mandatory contexts were missing, exiting.\n"); | |
1093 | goto end; | |
1094 | } | |
1095 | pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL); | |
1096 | pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL); | |
1fc22eb4 | 1097 | |
16b22a0f | 1098 | iter_trace(bt_ctx); |
1fc22eb4 | 1099 | |
16b22a0f JD |
1100 | quit = 1; |
1101 | pthread_join(display_thread, NULL); | |
1102 | pthread_join(timer_thread, NULL); | |
1103 | } | |
1fc22eb4 JD |
1104 | |
1105 | end: | |
16b22a0f JD |
1106 | if (bt_ctx) |
1107 | bt_context_put(bt_ctx); | |
1108 | ||
1fc22eb4 JD |
1109 | return 0; |
1110 | } |