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> |
172f5d66 JD |
40 | #include <sys/mman.h> |
41 | #include <lttng/lttng.h> | |
42 | #include <lttng/lttngtop-helper.h> | |
67a84e40 | 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; | |
be5b48bd JD |
54 | static int opt_textdump; |
55 | static int opt_pid; | |
56 | static int opt_child; | |
1fc22eb4 | 57 | |
da4a3c1d JD |
58 | int quit = 0; |
59 | ||
1fc22eb4 JD |
60 | struct lttngtop *copy; |
61 | pthread_t display_thread; | |
62 | pthread_t timer_thread; | |
63 | ||
64 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
65 | unsigned long last_display_update = 0; | |
1fc22eb4 | 66 | |
172f5d66 JD |
67 | /* list of FDs available for being read with snapshots */ |
68 | struct mmap_stream_list mmap_list; | |
69 | GPtrArray *lttng_consumer_stream_array; | |
70 | int sessiond_metadata, consumerd_metadata; | |
0865cf6b JD |
71 | struct lttng_consumer_local_data *ctx = NULL; |
72 | /* list of snapshots currently not consumed */ | |
73 | GPtrArray *available_snapshots; | |
74 | sem_t metadata_available; | |
37b4b0bb | 75 | int reload_trace = 0; |
172f5d66 | 76 | |
1fc22eb4 JD |
77 | enum { |
78 | OPT_NONE = 0, | |
79 | OPT_HELP, | |
84d2a515 | 80 | OPT_TEXTDUMP, |
be5b48bd JD |
81 | OPT_PID, |
82 | OPT_CHILD, | |
1fc22eb4 JD |
83 | }; |
84 | ||
85 | static struct poptOption long_options[] = { | |
86 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
87 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
84d2a515 | 88 | { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL }, |
be5b48bd JD |
89 | { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL }, |
90 | { "pid", 'p', POPT_ARG_INT, &opt_pid, OPT_PID, NULL, NULL }, | |
1fc22eb4 JD |
91 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
92 | }; | |
93 | ||
94 | void *refresh_thread(void *p) | |
95 | { | |
024eb6c6 JD |
96 | struct mmap_stream *mmap_info; |
97 | ||
1fc22eb4 | 98 | while (1) { |
da4a3c1d JD |
99 | if (quit) { |
100 | sem_post(&pause_sem); | |
101 | sem_post(&timer); | |
670078c9 | 102 | sem_post(&end_trace_sem); |
da4a3c1d | 103 | sem_post(&goodtodisplay); |
670078c9 | 104 | sem_post(&goodtoupdate); |
da4a3c1d JD |
105 | pthread_exit(0); |
106 | } | |
670078c9 | 107 | if (!opt_input_path) { |
024eb6c6 JD |
108 | bt_list_for_each_entry(mmap_info, &mmap_list.head, list) |
109 | helper_kernctl_buffer_flush(mmap_info->fd); | |
670078c9 | 110 | } |
1fc22eb4 JD |
111 | sem_wait(&pause_sem); |
112 | sem_post(&pause_sem); | |
113 | sem_post(&timer); | |
114 | sleep(refresh_display/NSEC_PER_SEC); | |
115 | } | |
116 | } | |
117 | ||
118 | void *ncurses_display(void *p) | |
119 | { | |
120 | unsigned int current_display_index = 0; | |
121 | ||
122 | sem_wait(&bootstrap); | |
b332d28f JD |
123 | /* |
124 | * Prevent the 1 second delay when we hit ESC | |
125 | */ | |
126 | ESCDELAY = 0; | |
1fc22eb4 JD |
127 | init_ncurses(); |
128 | ||
129 | while (1) { | |
130 | sem_wait(&timer); | |
131 | sem_wait(&goodtodisplay); | |
132 | sem_wait(&pause_sem); | |
133 | ||
da4a3c1d | 134 | if (quit) { |
24306dda JD |
135 | sem_post(&pause_sem); |
136 | sem_post(&timer); | |
da4a3c1d JD |
137 | reset_ncurses(); |
138 | pthread_exit(0); | |
139 | } | |
140 | ||
1fc22eb4 | 141 | copy = g_ptr_array_index(copies, current_display_index); |
85db4618 JD |
142 | assert(copy); |
143 | display(current_display_index++); | |
1fc22eb4 JD |
144 | |
145 | sem_post(&goodtoupdate); | |
146 | sem_post(&pause_sem); | |
1fc22eb4 JD |
147 | } |
148 | } | |
149 | ||
c1e6815a JD |
150 | /* |
151 | * hook on each event to check the timestamp and refresh the display if | |
152 | * necessary | |
153 | */ | |
154 | enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data) | |
155 | { | |
156 | unsigned long timestamp; | |
157 | struct tm start; | |
dbb34d88 | 158 | uint64_t ts_nsec_start; |
be5b48bd | 159 | int pid; |
c1e6815a | 160 | |
c1e6815a JD |
161 | timestamp = bt_ctf_get_timestamp(call_data); |
162 | ||
dbb34d88 | 163 | start = format_timestamp(timestamp); |
c1e6815a JD |
164 | ts_nsec_start = timestamp % NSEC_PER_SEC; |
165 | ||
be5b48bd JD |
166 | pid = get_context_pid(call_data); |
167 | if (pid == -1ULL && opt_pid) { | |
168 | goto error; | |
169 | } | |
170 | ||
171 | if (opt_pid && opt_pid != pid) | |
172 | goto end; | |
173 | ||
174 | printf("%02d:%02d:%02d.%09" PRIu64 " %d : %s\n", start.tm_hour, | |
f03aeb2f | 175 | start.tm_min, start.tm_sec, ts_nsec_start, |
be5b48bd | 176 | pid, bt_ctf_event_name(call_data)); |
c1e6815a | 177 | |
be5b48bd | 178 | end: |
c1e6815a | 179 | return BT_CB_OK; |
be5b48bd JD |
180 | error: |
181 | return BT_CB_ERROR_STOP; | |
c1e6815a JD |
182 | } |
183 | ||
1fc22eb4 JD |
184 | /* |
185 | * hook on each event to check the timestamp and refresh the display if | |
186 | * necessary | |
187 | */ | |
4adc8274 | 188 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
189 | { |
190 | unsigned long timestamp; | |
191 | ||
67a84e40 | 192 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
193 | if (timestamp == -1ULL) |
194 | goto error; | |
195 | ||
196 | if (last_display_update == 0) | |
197 | last_display_update = timestamp; | |
198 | ||
199 | if (timestamp - last_display_update >= refresh_display) { | |
200 | sem_wait(&goodtoupdate); | |
201 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
202 | timestamp)); | |
203 | sem_post(&goodtodisplay); | |
204 | sem_post(&bootstrap); | |
205 | last_display_update = timestamp; | |
206 | } | |
207 | return BT_CB_OK; | |
208 | ||
209 | error: | |
210 | fprintf(stderr, "check_timestamp callback error\n"); | |
211 | return BT_CB_ERROR_STOP; | |
212 | } | |
213 | ||
214 | /* | |
215 | * get_perf_counter : get or create and return a perf_counter struct for | |
216 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
217 | */ | |
218 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
219 | struct cputime *cpu) | |
220 | { | |
bb6d72a2 | 221 | struct perfcounter *ret; |
1fc22eb4 JD |
222 | GHashTable *table; |
223 | ||
224 | if (proc) | |
225 | table = proc->perf; | |
226 | else if (cpu) | |
227 | table = cpu->perf; | |
228 | else | |
229 | goto error; | |
230 | ||
231 | ret = g_hash_table_lookup(table, (gpointer) name); | |
232 | if (ret) | |
233 | goto end; | |
234 | ||
559c9f86 | 235 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
236 | /* by default, make it visible in the UI */ |
237 | ret->visible = 1; | |
85db4618 | 238 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 239 | |
1fc22eb4 JD |
240 | end: |
241 | return ret; | |
242 | ||
243 | error: | |
244 | return NULL; | |
245 | } | |
246 | ||
247 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
248 | const char *name, int value) | |
249 | { | |
250 | struct perfcounter *cpu_perf, *process_perf; | |
251 | ||
252 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
253 | if (cpu_perf->count < value) { | |
254 | process_perf = get_perf_counter(name, proc, NULL); | |
255 | process_perf->count += value - cpu_perf->count; | |
256 | cpu_perf->count = value; | |
257 | } | |
258 | } | |
259 | ||
4adc8274 | 260 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
3ba84bed | 261 | const struct definition *scope, |
1fc22eb4 JD |
262 | struct processtop *proc, |
263 | struct cputime *cpu) | |
264 | { | |
265 | struct definition const * const *list = NULL; | |
bb6d72a2 | 266 | const struct definition *field; |
1fc22eb4 | 267 | unsigned int count; |
bb6d72a2 JD |
268 | struct perfcounter *perfcounter; |
269 | GHashTableIter iter; | |
270 | gpointer key; | |
271 | int ret; | |
1fc22eb4 JD |
272 | |
273 | if (!scope) | |
274 | goto end; | |
275 | ||
276 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
277 | if (ret < 0) | |
278 | goto end; | |
279 | ||
bb6d72a2 JD |
280 | if (count == 0) |
281 | goto end; | |
282 | ||
283 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
284 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
285 | field = bt_ctf_get_field(event, scope, (char *) key); | |
286 | if (field) { | |
287 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
288 | if (bt_ctf_field_get_error()) |
289 | continue; | |
bb6d72a2 | 290 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
291 | } |
292 | } | |
293 | ||
294 | end: | |
295 | return; | |
296 | } | |
297 | ||
4adc8274 | 298 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 299 | { |
1fc22eb4 | 300 | struct cputime *cpu; |
3ba84bed | 301 | const struct definition *scope; |
1fc22eb4 | 302 | |
d67167cd | 303 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
304 | |
305 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
306 | extract_perf_counter_scope(event, scope, proc, cpu); | |
307 | ||
308 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
309 | extract_perf_counter_scope(event, scope, proc, cpu); | |
310 | ||
311 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
312 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
313 | } |
314 | ||
4adc8274 | 315 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
316 | void *private_data) |
317 | { | |
670078c9 | 318 | int pid, tid, ppid, vpid, vtid, vppid; |
1fc22eb4 JD |
319 | char *comm; |
320 | struct processtop *parent, *child; | |
1fc22eb4 JD |
321 | unsigned long timestamp; |
322 | ||
67a84e40 | 323 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
324 | if (timestamp == -1ULL) |
325 | goto error; | |
326 | ||
1dec520a JD |
327 | pid = get_context_pid(call_data); |
328 | if (pid == -1ULL) { | |
1fc22eb4 JD |
329 | goto error; |
330 | } | |
1dec520a JD |
331 | tid = get_context_tid(call_data); |
332 | if (tid == -1ULL) { | |
1fc22eb4 JD |
333 | goto error; |
334 | } | |
1dec520a JD |
335 | ppid = get_context_ppid(call_data); |
336 | if (ppid == -1ULL) { | |
1fc22eb4 JD |
337 | goto error; |
338 | } | |
670078c9 JD |
339 | vpid = get_context_vpid(call_data); |
340 | if (pid == -1ULL) { | |
341 | vpid = -1; | |
342 | } | |
343 | vtid = get_context_vtid(call_data); | |
344 | if (tid == -1ULL) { | |
345 | vtid = -1; | |
346 | } | |
347 | vppid = get_context_vppid(call_data); | |
348 | if (ppid == -1ULL) { | |
349 | vppid = -1; | |
350 | } | |
1dec520a JD |
351 | comm = get_context_comm(call_data); |
352 | if (!comm) { | |
1fc22eb4 JD |
353 | goto error; |
354 | } | |
355 | ||
356 | /* find or create the current process */ | |
357 | child = find_process_tid(<tngtop, tid, comm); | |
358 | if (!child) | |
359 | child = add_proc(<tngtop, tid, comm, timestamp); | |
670078c9 | 360 | update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm); |
1fc22eb4 JD |
361 | |
362 | if (pid != tid) { | |
363 | /* find or create the parent */ | |
364 | parent = find_process_tid(<tngtop, pid, comm); | |
365 | if (!parent) { | |
366 | parent = add_proc(<tngtop, pid, comm, timestamp); | |
367 | parent->pid = pid; | |
368 | } | |
369 | ||
370 | /* attach the parent to the current process */ | |
371 | child->threadparent = parent; | |
372 | add_thread(parent, child); | |
373 | } | |
374 | ||
375 | update_perf_counter(child, call_data); | |
376 | ||
377 | return BT_CB_OK; | |
378 | ||
379 | error: | |
380 | return BT_CB_ERROR_STOP; | |
381 | } | |
382 | ||
383 | void init_lttngtop() | |
384 | { | |
385 | copies = g_ptr_array_new(); | |
0d91c12a | 386 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
387 | |
388 | sem_init(&goodtodisplay, 0, 0); | |
389 | sem_init(&goodtoupdate, 0, 1); | |
390 | sem_init(&timer, 0, 1); | |
391 | sem_init(&bootstrap, 0, 0); | |
392 | sem_init(&pause_sem, 0, 1); | |
393 | sem_init(&end_trace_sem, 0, 0); | |
394 | ||
e05a35a6 JD |
395 | reset_global_counters(); |
396 | lttngtop.nbproc = 0; | |
397 | lttngtop.nbthreads = 0; | |
398 | lttngtop.nbfiles = 0; | |
399 | ||
5db6fc65 JD |
400 | lttngtop.process_hash_table = g_hash_table_new(g_direct_hash, |
401 | g_direct_equal); | |
1fc22eb4 JD |
402 | lttngtop.process_table = g_ptr_array_new(); |
403 | lttngtop.files_table = g_ptr_array_new(); | |
404 | lttngtop.cpu_table = g_ptr_array_new(); | |
405 | } | |
406 | ||
c263c4eb | 407 | void usage(FILE *fp) |
1fc22eb4 | 408 | { |
c263c4eb JD |
409 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
410 | fprintf(fp, "Usage : lttngtop /path/to/trace\n"); | |
1fc22eb4 JD |
411 | } |
412 | ||
413 | /* | |
414 | * Return 0 if caller should continue, < 0 if caller should return | |
415 | * error, > 0 if caller should exit without reporting error. | |
416 | */ | |
417 | static int parse_options(int argc, char **argv) | |
418 | { | |
419 | poptContext pc; | |
420 | int opt, ret = 0; | |
421 | ||
1fc22eb4 JD |
422 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
423 | poptReadDefaultConfig(pc, 0); | |
424 | ||
425 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
426 | switch (opt) { | |
427 | case OPT_HELP: | |
428 | usage(stdout); | |
429 | ret = 1; /* exit cleanly */ | |
430 | goto end; | |
84d2a515 JD |
431 | case OPT_TEXTDUMP: |
432 | opt_textdump = 1; | |
be5b48bd JD |
433 | break; |
434 | case OPT_CHILD: | |
435 | opt_textdump = 1; | |
436 | opt_child = 1; | |
437 | break; | |
438 | case OPT_PID: | |
439 | opt_textdump = 1; | |
440 | break; | |
1fc22eb4 JD |
441 | default: |
442 | ret = -EINVAL; | |
443 | goto end; | |
444 | } | |
445 | } | |
446 | ||
447 | opt_input_path = poptGetArg(pc); | |
172f5d66 | 448 | |
1fc22eb4 JD |
449 | end: |
450 | if (pc) { | |
451 | poptFreeContext(pc); | |
452 | } | |
453 | return ret; | |
454 | } | |
455 | ||
456 | void iter_trace(struct bt_context *bt_ctx) | |
457 | { | |
458 | struct bt_ctf_iter *iter; | |
459 | struct bt_iter_pos begin_pos; | |
4adc8274 | 460 | const struct bt_ctf_event *event; |
1fc22eb4 JD |
461 | int ret = 0; |
462 | ||
463 | begin_pos.type = BT_SEEK_BEGIN; | |
464 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
465 | ||
84d2a515 | 466 | if (opt_textdump) { |
be5b48bd JD |
467 | if (opt_pid) { |
468 | printf("PID : %d, Child : %d\n", opt_pid, opt_child); | |
469 | } | |
84d2a515 JD |
470 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, |
471 | print_timestamp, | |
472 | NULL, NULL, NULL); | |
473 | } else { | |
474 | /* at each event check if we need to refresh */ | |
475 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
476 | check_timestamp, | |
477 | NULL, NULL, NULL); | |
478 | /* at each event, verify the status of the process table */ | |
479 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
480 | fix_process_table, | |
481 | NULL, NULL, NULL); | |
482 | /* to handle the scheduling events */ | |
483 | bt_ctf_iter_add_callback(iter, | |
484 | g_quark_from_static_string("sched_switch"), | |
485 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
486 | /* to clean up the process table */ | |
487 | bt_ctf_iter_add_callback(iter, | |
488 | g_quark_from_static_string("sched_process_free"), | |
489 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
490 | /* to get all the process from the statedumps */ | |
491 | bt_ctf_iter_add_callback(iter, | |
492 | g_quark_from_static_string( | |
493 | "lttng_statedump_process_state"), | |
494 | NULL, 0, handle_statedump_process_state, | |
495 | NULL, NULL, NULL); | |
496 | ||
497 | /* for IO top */ | |
498 | bt_ctf_iter_add_callback(iter, | |
499 | g_quark_from_static_string("exit_syscall"), | |
500 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
501 | bt_ctf_iter_add_callback(iter, | |
502 | g_quark_from_static_string("sys_write"), | |
503 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
504 | bt_ctf_iter_add_callback(iter, | |
505 | g_quark_from_static_string("sys_read"), | |
506 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
507 | bt_ctf_iter_add_callback(iter, | |
508 | g_quark_from_static_string("sys_open"), | |
509 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
510 | bt_ctf_iter_add_callback(iter, | |
511 | g_quark_from_static_string("sys_close"), | |
512 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
513 | bt_ctf_iter_add_callback(iter, | |
514 | g_quark_from_static_string( | |
ceb3a221 | 515 | "lttng_statedump_file_descriptor"), |
84d2a515 JD |
516 | NULL, 0, handle_statedump_file_descriptor, |
517 | NULL, NULL, NULL); | |
518 | } | |
519 | ||
b208bf29 | 520 | while ((event = bt_ctf_iter_read_event(iter, NULL)) != NULL) { |
37b4b0bb | 521 | if (quit || reload_trace) |
da4a3c1d | 522 | goto end_iter; |
1fc22eb4 JD |
523 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
524 | if (ret < 0) | |
525 | goto end_iter; | |
526 | } | |
527 | ||
528 | /* block until quit, we reached the end of the trace */ | |
529 | sem_wait(&end_trace_sem); | |
530 | ||
531 | end_iter: | |
06570214 | 532 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
533 | } |
534 | ||
535 | /* | |
536 | * bt_context_add_traces_recursive: Open a trace recursively | |
537 | * (copied from BSD code in converter/babeltrace.c) | |
538 | * | |
539 | * Find each trace present in the subdirectory starting from the given | |
540 | * path, and add them to the context. The packet_seek parameter can be | |
541 | * NULL: this specify to use the default format packet_seek. | |
542 | * | |
543 | * Return: 0 on success, nonzero on failure. | |
544 | * Unable to open toplevel: failure. | |
545 | * Unable to open some subdirectory or file: warn and continue; | |
546 | */ | |
547 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
548 | const char *format_str, | |
549 | void (*packet_seek)(struct stream_pos *pos, | |
550 | size_t offset, int whence)) | |
551 | { | |
552 | FTS *tree; | |
553 | FTSENT *node; | |
554 | GArray *trace_ids; | |
555 | char lpath[PATH_MAX]; | |
556 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 557 | int ret = -1; |
1fc22eb4 JD |
558 | |
559 | /* | |
560 | * Need to copy path, because fts_open can change it. | |
561 | * It is the pointer array, not the strings, that are constant. | |
562 | */ | |
563 | strncpy(lpath, path, PATH_MAX); | |
564 | lpath[PATH_MAX - 1] = '\0'; | |
565 | ||
566 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
567 | if (tree == NULL) { | |
568 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
569 | path); | |
570 | return -EINVAL; | |
571 | } | |
572 | ||
573 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
574 | ||
575 | while ((node = fts_read(tree))) { | |
576 | int dirfd, metafd; | |
577 | ||
578 | if (!(node->fts_info & FTS_D)) | |
579 | continue; | |
580 | ||
581 | dirfd = open(node->fts_accpath, 0); | |
582 | if (dirfd < 0) { | |
583 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
584 | "directory file descriptor.\n"); | |
585 | ret = dirfd; | |
586 | goto error; | |
587 | } | |
588 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
589 | if (metafd < 0) { | |
7314c855 JD |
590 | close(dirfd); |
591 | ret = -1; | |
592 | continue; | |
1fc22eb4 JD |
593 | } else { |
594 | int trace_id; | |
595 | ||
596 | ret = close(metafd); | |
597 | if (ret < 0) { | |
598 | perror("close"); | |
599 | goto error; | |
600 | } | |
601 | ret = close(dirfd); | |
602 | if (ret < 0) { | |
603 | perror("close"); | |
604 | goto error; | |
605 | } | |
606 | ||
607 | trace_id = bt_context_add_trace(ctx, | |
608 | node->fts_accpath, format_str, | |
609 | packet_seek, NULL, NULL); | |
610 | if (trace_id < 0) { | |
0d567cf1 | 611 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 612 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
613 | /* Allow to skip erroneous traces. */ |
614 | continue; | |
1fc22eb4 JD |
615 | } |
616 | g_array_append_val(trace_ids, trace_id); | |
617 | } | |
618 | } | |
619 | ||
620 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 621 | return ret; |
1fc22eb4 JD |
622 | |
623 | error: | |
624 | return ret; | |
625 | } | |
626 | ||
4553b4d1 | 627 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
628 | int field_cnt, int *tid_check, int *pid_check, |
629 | int *procname_check, int *ppid_check) | |
630 | { | |
631 | int j; | |
bb6d72a2 JD |
632 | struct perfcounter *global; |
633 | const char *name; | |
a54d0d2c JD |
634 | |
635 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 636 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 637 | if (*tid_check == 0) { |
bb6d72a2 | 638 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 639 | (*tid_check)++; |
a54d0d2c JD |
640 | } |
641 | if (*pid_check == 0) { | |
bb6d72a2 | 642 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c JD |
643 | (*pid_check)++; |
644 | } | |
645 | if (*ppid_check == 0) { | |
bb6d72a2 | 646 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
647 | (*ppid_check)++; |
648 | } | |
649 | if (*procname_check == 0) { | |
bb6d72a2 | 650 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
651 | (*procname_check)++; |
652 | } | |
bb6d72a2 JD |
653 | if (strncmp(name, "perf_", 5) == 0) { |
654 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
655 | if (!global) { | |
656 | global = g_new0(struct perfcounter, 1); | |
657 | /* by default, sort on the first perf context */ | |
658 | if (g_hash_table_size(global_perf_liszt) == 0) | |
659 | global->sort = 1; | |
660 | global->visible = 1; | |
661 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
662 | } | |
663 | } | |
a54d0d2c | 664 | } |
bb6d72a2 | 665 | |
a54d0d2c JD |
666 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
667 | *procname_check == 1) | |
668 | return 0; | |
669 | ||
670 | return -1; | |
671 | } | |
672 | ||
673 | /* | |
674 | * check_requirements: check if the required context informations are available | |
675 | * | |
676 | * If each mandatory context information is available for at least in one | |
677 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
678 | */ |
679 | int check_requirements(struct bt_context *ctx) | |
680 | { | |
681 | unsigned int i, evt_cnt, field_cnt; | |
682 | struct bt_ctf_event_decl *const * evt_list; | |
683 | const struct bt_ctf_field_decl *const * field_list; | |
684 | int tid_check = 0; | |
685 | int pid_check = 0; | |
686 | int procname_check = 0; | |
687 | int ppid_check = 0; | |
688 | int ret = 0; | |
689 | ||
690 | bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); | |
691 | for (i = 0; i < evt_cnt; i++) { | |
692 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
693 | &field_list, &field_cnt); | |
694 | ret = check_field_requirements(field_list, field_cnt, | |
695 | &tid_check, &pid_check, &procname_check, | |
696 | &ppid_check); | |
a54d0d2c JD |
697 | |
698 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
699 | &field_list, &field_cnt); | |
700 | ret = check_field_requirements(field_list, field_cnt, | |
701 | &tid_check, &pid_check, &procname_check, | |
702 | &ppid_check); | |
a54d0d2c JD |
703 | |
704 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
705 | &field_list, &field_cnt); | |
706 | ret = check_field_requirements(field_list, field_cnt, | |
707 | &tid_check, &pid_check, &procname_check, | |
708 | &ppid_check); | |
a54d0d2c JD |
709 | } |
710 | ||
711 | if (tid_check == 0) { | |
712 | ret = -1; | |
713 | fprintf(stderr, "[error] missing tid context information\n"); | |
714 | } | |
715 | if (pid_check == 0) { | |
716 | ret = -1; | |
717 | fprintf(stderr, "[error] missing pid context information\n"); | |
718 | } | |
719 | if (ppid_check == 0) { | |
720 | ret = -1; | |
721 | fprintf(stderr, "[error] missing ppid context information\n"); | |
722 | } | |
723 | if (procname_check == 0) { | |
724 | ret = -1; | |
725 | fprintf(stderr, "[error] missing procname context information\n"); | |
726 | } | |
727 | ||
a54d0d2c JD |
728 | return ret; |
729 | } | |
730 | ||
172f5d66 JD |
731 | ssize_t read_subbuffer(struct lttng_consumer_stream *kconsumerd_fd, |
732 | struct lttng_consumer_local_data *ctx) | |
733 | { | |
734 | unsigned long len; | |
735 | int err; | |
736 | long ret = 0; | |
737 | int infd = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
738 | ||
739 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_SPLICE) { | |
740 | /* Get the next subbuffer */ | |
172f5d66 JD |
741 | err = helper_kernctl_get_next_subbuf(infd); |
742 | if (err != 0) { | |
743 | ret = errno; | |
744 | perror("Reserving sub buffer failed (everything is normal, " | |
745 | "it is due to concurrency)"); | |
746 | goto end; | |
747 | } | |
748 | /* read the whole subbuffer */ | |
749 | err = helper_kernctl_get_padded_subbuf_size(infd, &len); | |
750 | if (err != 0) { | |
751 | ret = errno; | |
752 | perror("Getting sub-buffer len failed."); | |
753 | goto end; | |
754 | } | |
172f5d66 JD |
755 | |
756 | /* splice the subbuffer to the tracefile */ | |
757 | ret = helper_lttng_consumer_on_read_subbuffer_splice(ctx, kconsumerd_fd, len); | |
758 | if (ret < 0) { | |
759 | /* | |
760 | * display the error but continue processing to try | |
761 | * to release the subbuffer | |
762 | */ | |
763 | fprintf(stderr,"Error splicing to tracefile\n"); | |
764 | } | |
172f5d66 JD |
765 | err = helper_kernctl_put_next_subbuf(infd); |
766 | if (err != 0) { | |
767 | ret = errno; | |
768 | perror("Reserving sub buffer failed (everything is normal, " | |
769 | "it is due to concurrency)"); | |
770 | goto end; | |
771 | } | |
0865cf6b | 772 | sem_post(&metadata_available); |
172f5d66 JD |
773 | } |
774 | ||
775 | end: | |
776 | return 0; | |
777 | } | |
778 | ||
779 | int on_update_fd(int key, uint32_t state) | |
780 | { | |
781 | /* let the lib handle the metadata FD */ | |
782 | if (key == sessiond_metadata) | |
783 | return 0; | |
784 | return 1; | |
785 | } | |
786 | ||
787 | int on_recv_fd(struct lttng_consumer_stream *kconsumerd_fd) | |
788 | { | |
789 | int ret; | |
dbb34d88 | 790 | struct mmap_stream *new_mmap_stream; |
172f5d66 | 791 | |
172f5d66 JD |
792 | /* Opening the tracefile in write mode */ |
793 | if (helper_get_lttng_consumer_stream_path_name(kconsumerd_fd) != NULL) { | |
794 | ret = open(helper_get_lttng_consumer_stream_path_name(kconsumerd_fd), | |
795 | O_WRONLY|O_CREAT|O_TRUNC, S_IRWXU|S_IRWXG|S_IRWXO); | |
796 | if (ret < 0) { | |
797 | perror("open"); | |
798 | goto end; | |
799 | } | |
800 | helper_set_lttng_consumer_stream_out_fd(kconsumerd_fd, ret); | |
801 | } | |
802 | ||
803 | if (helper_get_lttng_consumer_stream_output(kconsumerd_fd) == LTTNG_EVENT_MMAP) { | |
dbb34d88 JD |
804 | new_mmap_stream = malloc(sizeof(struct mmap_stream)); |
805 | new_mmap_stream->fd = helper_get_lttng_consumer_stream_wait_fd( | |
806 | kconsumerd_fd); | |
807 | bt_list_add(&new_mmap_stream->list, &mmap_list.head); | |
172f5d66 JD |
808 | |
809 | g_ptr_array_add(lttng_consumer_stream_array, kconsumerd_fd); | |
c1e6815a JD |
810 | /* keep mmap FDs internally */ |
811 | ret = 1; | |
172f5d66 JD |
812 | } else { |
813 | consumerd_metadata = helper_get_lttng_consumer_stream_wait_fd(kconsumerd_fd); | |
814 | sessiond_metadata = helper_get_lttng_consumer_stream_key(kconsumerd_fd); | |
815 | ret = 0; | |
816 | } | |
817 | ||
37b4b0bb JD |
818 | reload_trace = 1; |
819 | ||
172f5d66 JD |
820 | end: |
821 | return ret; | |
822 | } | |
823 | ||
a440e379 | 824 | void live_consume(struct bt_context **bt_ctx) |
346f2b4c | 825 | { |
346f2b4c | 826 | int ret; |
37b4b0bb | 827 | FILE *metadata_fp; |
346f2b4c | 828 | |
37b4b0bb JD |
829 | sem_wait(&metadata_available); |
830 | if (access("/tmp/livesession/kernel/metadata", F_OK) != 0) { | |
831 | fprintf(stderr,"no metadata\n"); | |
832 | goto end; | |
f03aeb2f | 833 | } |
37b4b0bb | 834 | metadata_fp = fopen("/tmp/livesession/kernel/metadata", "r"); |
67a84e40 | 835 | |
37b4b0bb JD |
836 | *bt_ctx = bt_context_create(); |
837 | ret = bt_context_add_trace(*bt_ctx, NULL, "ctf", | |
838 | lttngtop_ctf_packet_seek, &mmap_list, metadata_fp); | |
839 | if (ret < 0) { | |
840 | printf("Error adding trace\n"); | |
841 | goto end; | |
346f2b4c | 842 | } |
dbb34d88 | 843 | |
a440e379 JD |
844 | end: |
845 | return; | |
346f2b4c | 846 | } |
172f5d66 JD |
847 | |
848 | int setup_consumer(char *command_sock_path, pthread_t *threads, | |
849 | struct lttng_consumer_local_data *ctx) | |
850 | { | |
851 | int ret = 0; | |
852 | ||
853 | ctx = helper_lttng_consumer_create(HELPER_LTTNG_CONSUMER_KERNEL, | |
854 | read_subbuffer, NULL, on_recv_fd, on_update_fd); | |
855 | if (!ctx) | |
856 | goto end; | |
857 | ||
858 | unlink(command_sock_path); | |
859 | helper_lttng_consumer_set_command_sock_path(ctx, command_sock_path); | |
860 | helper_lttng_consumer_init(); | |
861 | ||
862 | /* Create the thread to manage the receive of fd */ | |
863 | ret = pthread_create(&threads[0], NULL, helper_lttng_consumer_thread_receive_fds, | |
864 | (void *) ctx); | |
865 | if (ret != 0) { | |
67a84e40 | 866 | perror("pthread_create receive fd"); |
172f5d66 JD |
867 | goto end; |
868 | } | |
346f2b4c JD |
869 | /* Create thread to manage the polling/writing of traces */ |
870 | ret = pthread_create(&threads[1], NULL, helper_lttng_consumer_thread_poll_fds, | |
871 | (void *) ctx); | |
872 | if (ret != 0) { | |
67a84e40 | 873 | perror("pthread_create poll fd"); |
346f2b4c JD |
874 | goto end; |
875 | } | |
876 | ||
172f5d66 JD |
877 | end: |
878 | return ret; | |
879 | } | |
880 | ||
33ff396d | 881 | int setup_live_tracing() |
172f5d66 JD |
882 | { |
883 | struct lttng_domain dom; | |
884 | struct lttng_channel chan; | |
885 | char *channel_name = "mmapchan"; | |
172f5d66 JD |
886 | struct lttng_event ev; |
887 | int ret = 0; | |
888 | char *command_sock_path = "/tmp/consumerd_sock"; | |
889 | static pthread_t threads[2]; /* recv_fd, poll */ | |
890 | struct lttng_event_context kctxpid, kctxcomm, kctxppid, kctxtid; | |
172f5d66 JD |
891 | |
892 | struct lttng_handle *handle; | |
893 | ||
894 | BT_INIT_LIST_HEAD(&mmap_list.head); | |
895 | ||
896 | lttng_consumer_stream_array = g_ptr_array_new(); | |
897 | ||
898 | if ((ret = setup_consumer(command_sock_path, threads, ctx)) < 0) { | |
899 | fprintf(stderr,"error setting up consumer\n"); | |
33ff396d | 900 | goto error; |
172f5d66 JD |
901 | } |
902 | ||
903 | available_snapshots = g_ptr_array_new(); | |
904 | ||
905 | /* setup the session */ | |
906 | dom.type = LTTNG_DOMAIN_KERNEL; | |
907 | ||
a440e379 | 908 | ret = unlink("/tmp/livesession"); |
172f5d66 | 909 | |
f03aeb2f | 910 | lttng_destroy_session("test"); |
172f5d66 JD |
911 | if ((ret = lttng_create_session("test", "/tmp/livesession")) < 0) { |
912 | fprintf(stderr,"error creating the session : %s\n", | |
913 | helper_lttcomm_get_readable_code(ret)); | |
33ff396d | 914 | goto error; |
172f5d66 JD |
915 | } |
916 | ||
917 | if ((handle = lttng_create_handle("test", &dom)) == NULL) { | |
918 | fprintf(stderr,"error creating handle\n"); | |
33ff396d | 919 | goto error_session; |
172f5d66 JD |
920 | } |
921 | ||
37b4b0bb JD |
922 | /* |
923 | * FIXME : need to let the | |
924 | * helper_lttng_consumer_thread_receive_fds create the | |
925 | * socket. | |
926 | * Cleaner solution ? | |
927 | */ | |
928 | while (access(command_sock_path, F_OK)) { | |
929 | sleep(0.1); | |
930 | } | |
931 | ||
172f5d66 JD |
932 | if ((ret = lttng_register_consumer(handle, command_sock_path)) < 0) { |
933 | fprintf(stderr,"error registering consumer : %s\n", | |
934 | helper_lttcomm_get_readable_code(ret)); | |
33ff396d | 935 | goto error_session; |
172f5d66 JD |
936 | } |
937 | ||
938 | strcpy(chan.name, channel_name); | |
67a84e40 | 939 | chan.attr.overwrite = 0; |
84d2a515 JD |
940 | // chan.attr.subbuf_size = 32768; |
941 | chan.attr.subbuf_size = 1048576; /* 1MB */ | |
172f5d66 JD |
942 | chan.attr.num_subbuf = 4; |
943 | chan.attr.switch_timer_interval = 0; | |
944 | chan.attr.read_timer_interval = 200; | |
945 | chan.attr.output = LTTNG_EVENT_MMAP; | |
946 | ||
947 | if ((ret = lttng_enable_channel(handle, &chan)) < 0) { | |
154f4a27 JD |
948 | fprintf(stderr,"error creating channel : %s\n", |
949 | helper_lttcomm_get_readable_code(ret)); | |
33ff396d | 950 | goto error_session; |
172f5d66 JD |
951 | } |
952 | ||
154f4a27 JD |
953 | memset(&ev, '\0', sizeof(struct lttng_event)); |
954 | //sprintf(ev.name, "sched_switch"); | |
172f5d66 | 955 | ev.type = LTTNG_EVENT_TRACEPOINT; |
172f5d66 | 956 | if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) { |
154f4a27 JD |
957 | fprintf(stderr,"error enabling event : %s\n", |
958 | helper_lttcomm_get_readable_code(ret)); | |
33ff396d | 959 | goto error_session; |
172f5d66 JD |
960 | } |
961 | ||
84d2a515 JD |
962 | ev.type = LTTNG_EVENT_SYSCALL; |
963 | if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) { | |
964 | fprintf(stderr,"error enabling syscalls : %s\n", | |
965 | helper_lttcomm_get_readable_code(ret)); | |
33ff396d | 966 | goto error_session; |
84d2a515 JD |
967 | } |
968 | ||
172f5d66 JD |
969 | kctxpid.ctx = LTTNG_EVENT_CONTEXT_PID; |
970 | lttng_add_context(handle, &kctxpid, NULL, NULL); | |
971 | kctxppid.ctx = LTTNG_EVENT_CONTEXT_PPID; | |
972 | lttng_add_context(handle, &kctxppid, NULL, NULL); | |
973 | kctxcomm.ctx = LTTNG_EVENT_CONTEXT_PROCNAME; | |
974 | lttng_add_context(handle, &kctxcomm, NULL, NULL); | |
975 | kctxtid.ctx = LTTNG_EVENT_CONTEXT_TID; | |
976 | lttng_add_context(handle, &kctxtid, NULL, NULL); | |
8f5f173c JD |
977 | kctxpid.ctx = LTTNG_EVENT_CONTEXT_VPID; |
978 | lttng_add_context(handle, &kctxpid, NULL, NULL); | |
979 | kctxtid.ctx = LTTNG_EVENT_CONTEXT_VTID; | |
980 | lttng_add_context(handle, &kctxtid, NULL, NULL); | |
172f5d66 JD |
981 | |
982 | if ((ret = lttng_start_tracing("test")) < 0) { | |
154f4a27 JD |
983 | fprintf(stderr,"error starting tracing : %s\n", |
984 | helper_lttcomm_get_readable_code(ret)); | |
33ff396d | 985 | goto error_session; |
172f5d66 JD |
986 | } |
987 | ||
988 | helper_kernctl_buffer_flush(consumerd_metadata); | |
346f2b4c | 989 | |
172f5d66 | 990 | /* block until metadata is ready */ |
0865cf6b | 991 | sem_init(&metadata_available, 0, 0); |
172f5d66 | 992 | |
33ff396d JD |
993 | return 0; |
994 | ||
995 | error_session: | |
996 | lttng_destroy_session("test"); | |
997 | error: | |
998 | return -1; | |
172f5d66 JD |
999 | } |
1000 | ||
1fc22eb4 JD |
1001 | int main(int argc, char **argv) |
1002 | { | |
1003 | int ret; | |
1004 | struct bt_context *bt_ctx = NULL; | |
37b4b0bb JD |
1005 | struct mmap_stream *mmap_info; |
1006 | unsigned long mmap_len; | |
1fc22eb4 JD |
1007 | |
1008 | ret = parse_options(argc, argv); | |
1009 | if (ret < 0) { | |
1010 | fprintf(stdout, "Error parsing options.\n\n"); | |
1011 | usage(stdout); | |
1012 | exit(EXIT_FAILURE); | |
1013 | } else if (ret > 0) { | |
1014 | exit(EXIT_SUCCESS); | |
1015 | } | |
1016 | ||
172f5d66 | 1017 | if (!opt_input_path) { |
33ff396d JD |
1018 | ret = setup_live_tracing(); |
1019 | if (ret < 0) { | |
1020 | goto end; | |
1021 | } | |
84d2a515 JD |
1022 | init_lttngtop(); |
1023 | if (!opt_textdump) { | |
1024 | pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL); | |
1025 | pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL); | |
1026 | } | |
37b4b0bb JD |
1027 | while (!quit) { |
1028 | reload_trace = 0; | |
1029 | live_consume(&bt_ctx); | |
1030 | iter_trace(bt_ctx); | |
1031 | ret = bt_context_remove_trace(bt_ctx, 0); | |
1032 | if (ret != 0) | |
1033 | fprintf(stderr, "error removing trace\n"); | |
1034 | if (bt_ctx) { | |
1035 | bt_context_put(bt_ctx); | |
1036 | } | |
1037 | ||
1038 | /* | |
1039 | * since we receive all FDs every time there is an | |
1040 | * update and the FD number is different every time, | |
1041 | * we don't know which one are valid. | |
1042 | * so we check if all FDs are usable with a simple | |
1043 | * ioctl call. | |
1044 | */ | |
1045 | bt_list_for_each_entry(mmap_info, &mmap_list.head, list) { | |
1046 | ret = helper_kernctl_get_mmap_len(mmap_info->fd, &mmap_len); | |
1047 | if (ret != 0) { | |
37b4b0bb JD |
1048 | bt_list_del(&mmap_info->list); |
1049 | } | |
1050 | } | |
1051 | sem_post(&metadata_available); | |
1052 | } | |
a440e379 | 1053 | |
da4a3c1d | 1054 | pthread_join(timer_thread, NULL); |
a440e379 JD |
1055 | quit = 1; |
1056 | pthread_join(display_thread, NULL); | |
84d2a515 | 1057 | |
67a84e40 | 1058 | lttng_stop_tracing("test"); |
67a84e40 JD |
1059 | lttng_destroy_session("test"); |
1060 | ||
1fc22eb4 | 1061 | goto end; |
172f5d66 JD |
1062 | } else { |
1063 | init_lttngtop(); | |
1064 | ||
1065 | bt_ctx = bt_context_create(); | |
1066 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1067 | if (ret < 0) { | |
1068 | fprintf(stderr, "[error] Opening the trace\n"); | |
1069 | goto end; | |
1070 | } | |
1fc22eb4 | 1071 | |
172f5d66 JD |
1072 | ret = check_requirements(bt_ctx); |
1073 | if (ret < 0) { | |
1074 | fprintf(stderr, "[error] some mandatory contexts were missing, exiting.\n"); | |
1075 | goto end; | |
1076 | } | |
1077 | pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL); | |
1078 | pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL); | |
1fc22eb4 | 1079 | |
172f5d66 | 1080 | iter_trace(bt_ctx); |
1fc22eb4 | 1081 | |
172f5d66 | 1082 | pthread_join(display_thread, NULL); |
da4a3c1d | 1083 | quit = 1; |
172f5d66 JD |
1084 | pthread_join(timer_thread, NULL); |
1085 | } | |
1fc22eb4 JD |
1086 | |
1087 | end: | |
172f5d66 JD |
1088 | if (bt_ctx) |
1089 | bt_context_put(bt_ctx); | |
1090 | ||
1fc22eb4 JD |
1091 | return 0; |
1092 | } |