begin support for UST in live, not yet perfect but starting to work
[lttngtop.git] / src / lttngtop.c
CommitLineData
1fc22eb4 1/*
863dc485 2 * Copyright (C) 2013 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 40#include <sys/mman.h>
54761a45 41#include <sys/wait.h>
16b22a0f 42#include <lttng/lttng.h>
b1acd2b3 43#ifdef LTTNGTOP_MMAP_LIVE
16b22a0f 44#include <lttng/lttngtop-helper.h>
c78f2cdc 45#include <babeltrace/lttngtopmmappacketseek.h>
b1acd2b3
JD
46#include "mmap-live.h"
47#endif /* LTTNGTOP_MMAP_LIVE */
1fc22eb4
JD
48
49#include "lttngtoptypes.h"
50#include "cputop.h"
51#include "iostreamtop.h"
52#include "cursesdisplay.h"
53#include "common.h"
b1acd2b3
JD
54#include "network-live.h"
55
12a91e9d
JD
56#define NET_URL_PREFIX "net://"
57#define NET4_URL_PREFIX "net4://"
58#define NET6_URL_PREFIX "net6://"
1fc22eb4
JD
59
60#define DEFAULT_FILE_ARRAY_SIZE 1
61
62const char *opt_input_path;
12a91e9d
JD
63int opt_textdump;
64int opt_child;
65int opt_begin;
796712db 66int opt_all;
1fc22eb4 67
ae9e85c7 68int quit = 0;
8fe4d0cf
JD
69/* We need at least one valid trace to start processing. */
70int valid_trace = 0;
ae9e85c7 71
1fc22eb4
JD
72struct lttngtop *copy;
73pthread_t display_thread;
74pthread_t timer_thread;
75
76unsigned long refresh_display = 1 * NSEC_PER_SEC;
77unsigned long last_display_update = 0;
863dc485 78unsigned long last_event_ts = 0;
bca0e79c 79struct syscall *last_syscall;
1fc22eb4 80
16b22a0f 81/* list of FDs available for being read with snapshots */
b1acd2b3 82struct bt_mmap_stream_list mmap_list;
16b22a0f
JD
83GPtrArray *lttng_consumer_stream_array;
84int sessiond_metadata, consumerd_metadata;
4e6aeb3d
JD
85struct lttng_consumer_local_data *ctx = NULL;
86/* list of snapshots currently not consumed */
87GPtrArray *available_snapshots;
88sem_t metadata_available;
050f9cf9 89int reload_trace = 0;
16b22a0f 90
010f485a
JD
91uint64_t prev_ts = 0;
92
1fc22eb4
JD
93enum {
94 OPT_NONE = 0,
95 OPT_HELP,
6777529d 96 OPT_TEXTDUMP,
32b70e07
JD
97 OPT_PID,
98 OPT_CHILD,
c8d75a13 99 OPT_HOSTNAME,
b1acd2b3 100 OPT_RELAY_HOSTNAME,
f16e36fc 101 OPT_KPROBES,
3160c7a9 102 OPT_BEGIN,
796712db 103 OPT_ALL,
1fc22eb4
JD
104};
105
106static struct poptOption long_options[] = {
107 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
108 { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
6777529d 109 { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL },
32b70e07 110 { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL },
3160c7a9 111 { "begin", 'b', POPT_ARG_NONE, NULL, OPT_BEGIN, NULL, NULL },
57bff788 112 { "pid", 'p', POPT_ARG_STRING, &opt_tid, OPT_PID, NULL, NULL },
c8d75a13 113 { "hostname", 'n', POPT_ARG_STRING, &opt_hostname, OPT_HOSTNAME, NULL, NULL },
b1acd2b3
JD
114 { "relay-hostname", 'r', POPT_ARG_STRING, &opt_relay_hostname,
115 OPT_RELAY_HOSTNAME, NULL, NULL },
f16e36fc 116 { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL },
796712db 117 { "all", 'a', POPT_ARG_NONE, NULL, OPT_ALL, NULL, NULL },
1fc22eb4
JD
118 { NULL, 0, 0, NULL, 0, NULL, NULL },
119};
120
863dc485 121#ifdef LTTNGTOP_MMAP_LIVE
24797198
JD
122static void handle_textdump_sigterm(int signal)
123{
124 quit = 1;
125 lttng_destroy_session("test");
126}
863dc485 127#endif
24797198 128
1fc22eb4
JD
129void *refresh_thread(void *p)
130{
131 while (1) {
ae9e85c7
JD
132 if (quit) {
133 sem_post(&pause_sem);
134 sem_post(&timer);
1402044a 135 sem_post(&end_trace_sem);
ae9e85c7 136 sem_post(&goodtodisplay);
1402044a 137 sem_post(&goodtoupdate);
ae9e85c7
JD
138 pthread_exit(0);
139 }
1402044a 140 if (!opt_input_path) {
b1acd2b3
JD
141#ifdef LTTNGTOP_MMAP_LIVE
142 mmap_live_flush(mmap_list);
143#endif
1402044a 144 }
1fc22eb4
JD
145 sem_wait(&pause_sem);
146 sem_post(&pause_sem);
147 sem_post(&timer);
148 sleep(refresh_display/NSEC_PER_SEC);
149 }
150}
151
152void *ncurses_display(void *p)
153{
154 unsigned int current_display_index = 0;
155
156 sem_wait(&bootstrap);
b332d28f
JD
157 /*
158 * Prevent the 1 second delay when we hit ESC
159 */
160 ESCDELAY = 0;
1fc22eb4
JD
161 init_ncurses();
162
163 while (1) {
164 sem_wait(&timer);
165 sem_wait(&goodtodisplay);
166 sem_wait(&pause_sem);
167
ae9e85c7 168 if (quit) {
33572a17
JD
169 sem_post(&pause_sem);
170 sem_post(&timer);
ae9e85c7
JD
171 reset_ncurses();
172 pthread_exit(0);
173 }
174
1fc22eb4 175 copy = g_ptr_array_index(copies, current_display_index);
85db4618
JD
176 assert(copy);
177 display(current_display_index++);
1fc22eb4
JD
178
179 sem_post(&goodtoupdate);
180 sem_post(&pause_sem);
1fc22eb4
JD
181 }
182}
183
08d1cfbe
JD
184void print_fields(struct bt_ctf_event *event, const char *procname,
185 int pid)
575cc4fd
JD
186{
187 unsigned int cnt, i;
b1acd2b3
JD
188 const struct bt_definition *const * list;
189 const struct bt_declaration *l;
190 const struct bt_definition *scope;
575cc4fd
JD
191 enum ctf_type_id type;
192 const char *str;
08d1cfbe
JD
193 struct processtop *current_proc;
194 struct files *current_file;
195 int fd, fd_value = -1;
575cc4fd
JD
196
197 scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS);
198
199 bt_ctf_get_field_list(event, scope, &list, &cnt);
200 for (i = 0; i < cnt; i++) {
201 if (i != 0)
202 printf(", ");
203 printf("%s = ", bt_ctf_field_name(list[i]));
9498e78c 204 l = bt_ctf_get_decl_from_def(list[i]);
08d1cfbe
JD
205 if (strncmp(bt_ctf_field_name(list[i]), "fd", 2) == 0)
206 fd = 1;
207 else
208 fd = 0;
9498e78c 209 type = bt_ctf_field_type(l);
575cc4fd 210 if (type == CTF_TYPE_INTEGER) {
08d1cfbe
JD
211 if (bt_ctf_get_int_signedness(l) == 0) {
212 fd_value = bt_ctf_get_uint64(list[i]);
213 printf("%" PRIu64, bt_ctf_get_uint64(list[i]));
214 } else {
215 fd_value = bt_ctf_get_int64(list[i]);
216 printf("%" PRId64, bt_ctf_get_int64(list[i]));
217 }
575cc4fd
JD
218 } else if (type == CTF_TYPE_STRING) {
219 printf("%s", bt_ctf_get_string(list[i]));
220 } else if (type == CTF_TYPE_ARRAY) {
221 str = bt_ctf_get_char_array(list[i]);
fbbda4da 222 if (!bt_ctf_field_get_error() && str)
575cc4fd
JD
223 printf("%s", str);
224 }
08d1cfbe
JD
225 if (fd) {
226 current_proc = find_process_tid(&lttngtop, pid, procname);
227 if (!current_proc)
228 continue;
229 current_file = get_file(current_proc, fd_value);
230 if (!current_file || !current_file->name)
231 continue;
232 printf("<%s>", current_file->name);
233 }
575cc4fd
JD
234 }
235}
236
6112d0d4
JD
237/*
238 * hook on each event to check the timestamp and refresh the display if
239 * necessary
240 */
bca0e79c 241enum bt_cb_ret textdump(struct bt_ctf_event *call_data, void *private_data)
6112d0d4
JD
242{
243 unsigned long timestamp;
010f485a 244 uint64_t delta;
6112d0d4 245 struct tm start;
b520ab45 246 uint64_t ts_nsec_start;
bca0e79c 247 int pid, cpu_id, tid, ret, lookup, current_syscall = 0;
b1acd2b3 248 const struct bt_definition *scope;
575cc4fd 249 const char *hostname, *procname;
1d74c4d1
JD
250 struct cputime *cpu;
251 char *from_syscall = NULL;
6112d0d4 252
6112d0d4
JD
253 timestamp = bt_ctf_get_timestamp(call_data);
254
863dc485
JD
255 /* can happen in network live when tracing is idle */
256 if (timestamp < last_event_ts)
257 goto end_stop;
258
259 last_event_ts = timestamp;
260
b520ab45 261 start = format_timestamp(timestamp);
6112d0d4
JD
262 ts_nsec_start = timestamp % NSEC_PER_SEC;
263
32b70e07 264 pid = get_context_pid(call_data);
57bff788 265 if (pid == -1ULL && opt_tid) {
32b70e07
JD
266 goto error;
267 }
b0135e60
JD
268
269 tid = get_context_tid(call_data);
32b70e07 270
c8d75a13 271 hostname = get_context_hostname(call_data);
a15e6a10
JD
272 if (opt_child)
273 lookup = pid;
274 else
275 lookup = tid;
54761a45 276 if (opt_tid || opt_hostname || opt_exec_name) {
a15e6a10 277 if (!lookup_filter_tid_list(lookup)) {
b301de1a
JD
278 /* To display when a process of ours in getting scheduled in */
279 if (strcmp(bt_ctf_event_name(call_data), "sched_switch") == 0) {
280 int next_tid;
281
282 scope = bt_ctf_get_top_level_scope(call_data,
283 BT_EVENT_FIELDS);
284 next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
285 scope, "_next_tid"));
286 if (bt_ctf_field_get_error()) {
287 fprintf(stderr, "Missing next_tid field\n");
288 goto error;
289 }
290 if (!lookup_filter_tid_list(next_tid)) {
796712db
JD
291 if (!opt_all)
292 goto end;
293 } else {
294 if (opt_all)
295 printf("%c[1m", 27);
b301de1a 296 }
796712db 297 } else if (!opt_all) {
b301de1a
JD
298 goto end;
299 }
796712db
JD
300 } else {
301 if (opt_all)
302 printf("%c[1m", 27);
b301de1a
JD
303 }
304 }
da4353bb 305
bca0e79c
JD
306 if (last_syscall && (strncmp(bt_ctf_event_name(call_data),
307 "exit_syscall", 12)) != 0) {
308 last_syscall = NULL;
309 printf(" ...interrupted...\n");
310 }
311
575cc4fd
JD
312 cpu_id = get_cpu_id(call_data);
313 procname = get_context_comm(call_data);
1d74c4d1
JD
314 if (strncmp(bt_ctf_event_name(call_data), "sys_", 4) == 0) {
315 cpu = get_cpu(cpu_id);
316 cpu->current_syscall = g_new0(struct syscall, 1);
317 cpu->current_syscall->name = strdup(bt_ctf_event_name(call_data));
318 cpu->current_syscall->ts_start = timestamp;
bca0e79c
JD
319 cpu->current_syscall->cpu_id = cpu_id;
320 last_syscall = cpu->current_syscall;
321 current_syscall = 1;
1d74c4d1
JD
322 } else if ((strncmp(bt_ctf_event_name(call_data), "exit_syscall", 12)) == 0) {
323 struct tm start_ts;
324
bca0e79c
JD
325 /* Return code of a syscall if it was the last displayed event. */
326 if (last_syscall && last_syscall->ts_start == prev_ts) {
327 if (last_syscall->cpu_id == cpu_id) {
328 int64_t syscall_ret;
329
330 delta = timestamp - last_syscall->ts_start;
331 scope = bt_ctf_get_top_level_scope(call_data,
332 BT_EVENT_FIELDS);
333 syscall_ret = bt_ctf_get_int64(bt_ctf_get_field(call_data,
334 scope, "_ret"));
335
32cef6e5 336 printf("= %" PRId64 " (%" PRIu64 ".%09" PRIu64 "s)\n",
bca0e79c
JD
337 syscall_ret, delta / NSEC_PER_SEC,
338 delta % NSEC_PER_SEC);
339 last_syscall = NULL;
340 goto end;
341 } else {
342 last_syscall = NULL;
343 printf(" ...interrupted...\n");
344 }
345 }
346
1d74c4d1
JD
347 cpu = get_cpu(cpu_id);
348 if (cpu->current_syscall) {
349 delta = timestamp - cpu->current_syscall->ts_start;
350 start_ts = format_timestamp(cpu->current_syscall->ts_start);
54761a45 351 ret = asprintf(&from_syscall, " [from %02d:%02d:%02d.%09" PRIu64
bca0e79c 352 " (+%" PRIu64 ".%09" PRIu64 ") (cpu %d) %s]",
1d74c4d1
JD
353 start_ts.tm_hour, start_ts.tm_min, start_ts.tm_sec,
354 cpu->current_syscall->ts_start % NSEC_PER_SEC,
355 delta / NSEC_PER_SEC, delta % NSEC_PER_SEC,
356 cpu_id, cpu->current_syscall->name);
54761a45
JD
357 if (ret < 0) {
358 goto error;
359 }
1d74c4d1
JD
360 free(cpu->current_syscall->name);
361 g_free(cpu->current_syscall);
362 cpu->current_syscall = NULL;
bca0e79c 363 last_syscall = NULL;
1d74c4d1
JD
364 }
365 }
366
010f485a
JD
367 if (prev_ts == 0)
368 prev_ts = timestamp;
369 delta = timestamp - prev_ts;
370 prev_ts = timestamp;
575cc4fd 371
4251cc67
JD
372 printf("%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") %s%s"
373 "(cpu %d) [%s (%d/%d)] %s (",
374 start.tm_hour, start.tm_min, start.tm_sec,
375 ts_nsec_start, delta / NSEC_PER_SEC,
376 delta % NSEC_PER_SEC, (hostname) ? hostname : "",
377 (hostname) ? " ": "", cpu_id, procname, pid, tid,
378 bt_ctf_event_name(call_data));
08d1cfbe 379 print_fields(call_data, procname, pid);
bca0e79c 380 printf(")%s%c", (from_syscall) ? from_syscall : "",
08d1cfbe 381 (!current_syscall) ? '\n' : ' ');
1d74c4d1
JD
382
383 free(from_syscall);
08d1cfbe
JD
384 if (opt_all && (opt_tid || opt_hostname || opt_exec_name))
385 printf("%c[0m", 27);
6112d0d4 386
32b70e07 387end:
6112d0d4 388 return BT_CB_OK;
32b70e07
JD
389error:
390 return BT_CB_ERROR_STOP;
863dc485
JD
391end_stop:
392 return BT_CB_OK_STOP;
6112d0d4
JD
393}
394
246d5992
JD
395enum bt_cb_ret handle_kprobes(struct bt_ctf_event *call_data, void *private_data)
396{
397 int i;
398 struct kprobes *kprobe;
399
400 /* for kprobes */
401 for (i = 0; i < lttngtop.kprobes_table->len; i++) {
402 kprobe = g_ptr_array_index(lttngtop.kprobes_table, i);
403 if (strcmp(bt_ctf_event_name(call_data), kprobe->probe_name) == 0) {
404 kprobe->count++;
405 }
406 }
407
408 return BT_CB_OK;
409}
410
1fc22eb4
JD
411/*
412 * hook on each event to check the timestamp and refresh the display if
413 * necessary
414 */
4adc8274 415enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data)
1fc22eb4
JD
416{
417 unsigned long timestamp;
418
c78f2cdc 419 timestamp = bt_ctf_get_timestamp(call_data);
1fc22eb4
JD
420 if (timestamp == -1ULL)
421 goto error;
422
863dc485
JD
423 /* can happen in network live when tracing is idle */
424 if (timestamp < last_event_ts)
425 goto end_stop;
426
427 last_event_ts = timestamp;
428
1fc22eb4
JD
429 if (last_display_update == 0)
430 last_display_update = timestamp;
431
432 if (timestamp - last_display_update >= refresh_display) {
433 sem_wait(&goodtoupdate);
434 g_ptr_array_add(copies, get_copy_lttngtop(last_display_update,
435 timestamp));
436 sem_post(&goodtodisplay);
437 sem_post(&bootstrap);
438 last_display_update = timestamp;
439 }
440 return BT_CB_OK;
441
442error:
443 fprintf(stderr, "check_timestamp callback error\n");
444 return BT_CB_ERROR_STOP;
863dc485
JD
445
446end_stop:
447 return BT_CB_OK_STOP;
1fc22eb4
JD
448}
449
450/*
451 * get_perf_counter : get or create and return a perf_counter struct for
452 * either a process or a cpu (only one of the 2 parameters mandatory)
453 */
454struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
455 struct cputime *cpu)
456{
bb6d72a2 457 struct perfcounter *ret;
1fc22eb4
JD
458 GHashTable *table;
459
460 if (proc)
461 table = proc->perf;
462 else if (cpu)
463 table = cpu->perf;
464 else
465 goto error;
466
467 ret = g_hash_table_lookup(table, (gpointer) name);
468 if (ret)
469 goto end;
470
559c9f86 471 ret = g_new0(struct perfcounter, 1);
1fc22eb4
JD
472 /* by default, make it visible in the UI */
473 ret->visible = 1;
85db4618 474 g_hash_table_insert(table, (gpointer) strdup(name), ret);
1fc22eb4 475
1fc22eb4
JD
476end:
477 return ret;
478
479error:
480 return NULL;
481}
482
483void update_perf_value(struct processtop *proc, struct cputime *cpu,
484 const char *name, int value)
485{
486 struct perfcounter *cpu_perf, *process_perf;
487
488 cpu_perf = get_perf_counter(name, NULL, cpu);
489 if (cpu_perf->count < value) {
490 process_perf = get_perf_counter(name, proc, NULL);
491 process_perf->count += value - cpu_perf->count;
492 cpu_perf->count = value;
493 }
494}
495
4adc8274 496void extract_perf_counter_scope(const struct bt_ctf_event *event,
2e0a1190 497 const struct bt_definition *scope,
1fc22eb4
JD
498 struct processtop *proc,
499 struct cputime *cpu)
500{
2e0a1190
JD
501 struct bt_definition const * const *list = NULL;
502 const struct bt_definition *field;
1fc22eb4 503 unsigned int count;
bb6d72a2
JD
504 struct perfcounter *perfcounter;
505 GHashTableIter iter;
506 gpointer key;
507 int ret;
1fc22eb4
JD
508
509 if (!scope)
510 goto end;
511
512 ret = bt_ctf_get_field_list(event, scope, &list, &count);
513 if (ret < 0)
514 goto end;
515
bb6d72a2
JD
516 if (count == 0)
517 goto end;
518
519 g_hash_table_iter_init(&iter, global_perf_liszt);
520 while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) {
521 field = bt_ctf_get_field(event, scope, (char *) key);
522 if (field) {
523 int value = bt_ctf_get_uint64(field);
1fc22eb4
JD
524 if (bt_ctf_field_get_error())
525 continue;
bb6d72a2 526 update_perf_value(proc, cpu, (char *) key, value);
1fc22eb4
JD
527 }
528 }
529
530end:
531 return;
532}
533
4adc8274 534void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event)
1fc22eb4 535{
1fc22eb4 536 struct cputime *cpu;
2e0a1190 537 const struct bt_definition *scope;
1fc22eb4 538
d67167cd 539 cpu = get_cpu(get_cpu_id(event));
1fc22eb4
JD
540
541 scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
542 extract_perf_counter_scope(event, scope, proc, cpu);
543
544 scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT);
545 extract_perf_counter_scope(event, scope, proc, cpu);
546
547 scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT);
548 extract_perf_counter_scope(event, scope, proc, cpu);
1fc22eb4
JD
549}
550
4adc8274 551enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data,
1fc22eb4
JD
552 void *private_data)
553{
1402044a 554 int pid, tid, ppid, vpid, vtid, vppid;
c8d75a13 555 char *comm, *hostname;
1fc22eb4 556 struct processtop *parent, *child;
1fc22eb4
JD
557 unsigned long timestamp;
558
c78f2cdc 559 timestamp = bt_ctf_get_timestamp(call_data);
1fc22eb4
JD
560 if (timestamp == -1ULL)
561 goto error;
562
1dec520a
JD
563 pid = get_context_pid(call_data);
564 if (pid == -1ULL) {
1fc22eb4
JD
565 goto error;
566 }
96aa77de 567
1dec520a
JD
568 tid = get_context_tid(call_data);
569 if (tid == -1ULL) {
1fc22eb4
JD
570 goto error;
571 }
1dec520a
JD
572 ppid = get_context_ppid(call_data);
573 if (ppid == -1ULL) {
8fe4d0cf 574 goto end;
1fc22eb4 575 }
1402044a
JD
576 vpid = get_context_vpid(call_data);
577 if (pid == -1ULL) {
578 vpid = -1;
579 }
580 vtid = get_context_vtid(call_data);
581 if (tid == -1ULL) {
582 vtid = -1;
583 }
584 vppid = get_context_vppid(call_data);
585 if (ppid == -1ULL) {
586 vppid = -1;
587 }
1dec520a
JD
588 comm = get_context_comm(call_data);
589 if (!comm) {
1fc22eb4
JD
590 goto error;
591 }
c8d75a13
JD
592 /* optional */
593 hostname = get_context_hostname(call_data);
1fc22eb4
JD
594
595 /* find or create the current process */
596 child = find_process_tid(&lttngtop, tid, comm);
597 if (!child)
906c08f6 598 child = add_proc(&lttngtop, tid, comm, timestamp, hostname);
96aa77de
JD
599 if (!child)
600 goto end;
c8d75a13 601 update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm, hostname);
1fc22eb4
JD
602
603 if (pid != tid) {
604 /* find or create the parent */
605 parent = find_process_tid(&lttngtop, pid, comm);
606 if (!parent) {
906c08f6 607 parent = add_proc(&lttngtop, pid, comm, timestamp, hostname);
96aa77de
JD
608 if (parent)
609 parent->pid = pid;
1fc22eb4
JD
610 }
611
612 /* attach the parent to the current process */
613 child->threadparent = parent;
614 add_thread(parent, child);
615 }
616
617 update_perf_counter(child, call_data);
618
96aa77de 619end:
1fc22eb4
JD
620 return BT_CB_OK;
621
622error:
623 return BT_CB_ERROR_STOP;
624}
625
626void init_lttngtop()
627{
628 copies = g_ptr_array_new();
0d91c12a 629 global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal);
da4353bb 630 global_filter_list = g_hash_table_new(g_str_hash, g_str_equal);
114cae59 631 global_host_list = g_hash_table_new(g_str_hash, g_str_equal);
54761a45
JD
632 tid_filter_list = g_hash_table_new(g_str_hash,
633 g_str_equal);
1fc22eb4
JD
634
635 sem_init(&goodtodisplay, 0, 0);
636 sem_init(&goodtoupdate, 0, 1);
637 sem_init(&timer, 0, 1);
638 sem_init(&bootstrap, 0, 0);
639 sem_init(&pause_sem, 0, 1);
640 sem_init(&end_trace_sem, 0, 0);
641
e05a35a6
JD
642 reset_global_counters();
643 lttngtop.nbproc = 0;
644 lttngtop.nbthreads = 0;
645 lttngtop.nbfiles = 0;
646
30b646c4
JD
647 lttngtop.process_hash_table = g_hash_table_new(g_direct_hash,
648 g_direct_equal);
1fc22eb4
JD
649 lttngtop.process_table = g_ptr_array_new();
650 lttngtop.files_table = g_ptr_array_new();
651 lttngtop.cpu_table = g_ptr_array_new();
da4353bb
JD
652
653 toggle_filter = -1;
1fc22eb4
JD
654}
655
c263c4eb 656void usage(FILE *fp)
1fc22eb4 657{
c263c4eb 658 fprintf(fp, "LTTngTop %s\n\n", VERSION);
d2f1452b
JD
659 fprintf(fp, "Usage : lttngtop [OPTIONS] TRACE\n");
660 fprintf(fp, " TRACE Path to the trace to analyse (-r for network live tracing, nothing for mmap live streaming)\n");
c8d75a13
JD
661 fprintf(fp, " -h, --help This help message\n");
662 fprintf(fp, " -t, --textdump Display live events in text-only\n");
663 fprintf(fp, " -p, --pid Comma-separated list of PIDs to display\n");
664 fprintf(fp, " -f, --child Follow threads associated with selected PIDs\n");
665 fprintf(fp, " -n, --hostname Comma-separated list of hostnames to display (require hostname context in trace)\n");
796712db 666 fprintf(fp, " -a, --all In textdump mode, display all events but write in bold the processes we are interested in (-f, -p and -n)\n");
241ba90a 667 fprintf(fp, " -k, --kprobes Comma-separated list of kprobes to insert (same format as lttng enable-event)\n");
bab469fc
JD
668 fprintf(fp, " -r, --relay-hostname Network live streaming : hostname of the lttng-relayd (default port)\n");
669 fprintf(fp, " -b, --begin Network live streaming : read the trace for the beginning of the recording\n");
1fc22eb4
JD
670}
671
f16e36fc
JD
672/*
673 * Parse probe options.
674 * Shamelessly stolen from lttng-tools :
675 * src/bin/lttng/commands/enable_events.c
676 */
677static struct kprobes *parse_probe_opts(char *opt)
678{
679 char s_hex[19];
680 char name[LTTNG_SYMBOL_NAME_LEN];
681 struct kprobes *kprobe;
682 int ret;
683
684 /*
685 kprobe->probe_addr = 0;
686 kprobe->probe_offset = 0;
687 asprintf(&kprobe->probe_name, "probe_sys_open");
688 asprintf(&kprobe->symbol_name, "sys_open");
689 */
690
691 if (opt == NULL) {
692 kprobe = NULL;
693 goto end;
694 }
695
696 kprobe = g_new0(struct kprobes, 1);
697
698 /* Check for symbol+offset */
699 ret = sscanf(opt, "%[^'+']+%s", name, s_hex);
700 if (ret == 2) {
b1acd2b3
JD
701 ret = asprintf(&kprobe->probe_name, "probe_%s", name);
702 ret = asprintf(&kprobe->symbol_name, "%s", name);
f16e36fc
JD
703
704 if (strlen(s_hex) == 0) {
705 fprintf(stderr, "Invalid probe offset %s", s_hex);
706 ret = -1;
707 goto end;
708 }
709 kprobe->probe_offset = strtoul(s_hex, NULL, 0);
710 kprobe->probe_addr = 0;
711 goto end;
712 }
713
714 /* Check for symbol */
715 if (isalpha(name[0])) {
716 ret = sscanf(opt, "%s", name);
717 if (ret == 1) {
b1acd2b3
JD
718 ret = asprintf(&kprobe->probe_name, "probe_%s", name);
719 ret = asprintf(&kprobe->symbol_name, "%s", name);
f16e36fc
JD
720 kprobe->probe_offset = 0;
721 kprobe->probe_addr = 0;
722 goto end;
723 }
724 }
725
726 /* Check for address */
727 ret = sscanf(opt, "%s", s_hex);
728 if (ret > 0) {
729 if (strlen(s_hex) == 0) {
730 fprintf(stderr, "Invalid probe address %s", s_hex);
731 ret = -1;
732 goto end;
733 }
b1acd2b3 734 ret = asprintf(&kprobe->probe_name, "probe_%s", s_hex);
f16e36fc
JD
735 kprobe->probe_offset = 0;
736 kprobe->probe_addr = strtoul(s_hex, NULL, 0);
737 goto end;
738 }
739
740 /* No match */
741 kprobe = NULL;
742
743end:
744 return kprobe;
745}
746
1fc22eb4
JD
747/*
748 * Return 0 if caller should continue, < 0 if caller should return
749 * error, > 0 if caller should exit without reporting error.
750 */
751static int parse_options(int argc, char **argv)
752{
753 poptContext pc;
754 int opt, ret = 0;
57bff788
JD
755 char *tmp_str;
756 int *tid;
54761a45 757 int i;
1fc22eb4 758
b1acd2b3
JD
759 remote_live = 0;
760
1fc22eb4
JD
761 pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
762 poptReadDefaultConfig(pc, 0);
763
764 while ((opt = poptGetNextOpt(pc)) != -1) {
765 switch (opt) {
766 case OPT_HELP:
767 usage(stdout);
768 ret = 1; /* exit cleanly */
769 goto end;
6777529d
JD
770 case OPT_TEXTDUMP:
771 opt_textdump = 1;
32b70e07 772 break;
796712db
JD
773 case OPT_ALL:
774 opt_all = 1;
775 break;
32b70e07 776 case OPT_CHILD:
32b70e07
JD
777 opt_child = 1;
778 break;
779 case OPT_PID:
da4353bb 780 toggle_filter = 1;
57bff788
JD
781 tmp_str = strtok(opt_tid, ",");
782 while (tmp_str) {
783 tid = malloc(sizeof(int));
784 *tid = atoi(tmp_str);
ea5d1dc9 785 g_hash_table_insert(tid_filter_list,
c8d75a13
JD
786 (gpointer) tid, tid);
787 tmp_str = strtok(NULL, ",");
788 }
789 break;
3160c7a9
JD
790 case OPT_BEGIN:
791 /* start reading the live trace from the beginning */
792 opt_begin = 1;
793 break;
c8d75a13 794 case OPT_HOSTNAME:
da4353bb 795 toggle_filter = 1;
c8d75a13
JD
796 tmp_str = strtok(opt_hostname, ",");
797 while (tmp_str) {
467097ac 798 add_hostname_list(tmp_str, 1);
57bff788
JD
799 tmp_str = strtok(NULL, ",");
800 }
32b70e07 801 break;
b1acd2b3
JD
802 case OPT_RELAY_HOSTNAME:
803 remote_live = 1;
804 break;
f16e36fc
JD
805 case OPT_KPROBES:
806 lttngtop.kprobes_table = g_ptr_array_new();
807 tmp_str = strtok(opt_kprobes, ",");
808 while (tmp_str) {
809 struct kprobes *kprobe;
810
811 kprobe = parse_probe_opts(tmp_str);
812 if (kprobe) {
813 g_ptr_array_add(
814 lttngtop.kprobes_table,
815 kprobe);
816 } else {
817 ret = -EINVAL;
818 goto end;
819 }
820 tmp_str = strtok(NULL, ",");
821 }
822 break;
1fc22eb4
JD
823 default:
824 ret = -EINVAL;
825 goto end;
826 }
827 }
828
54761a45
JD
829 opt_exec_name = NULL;
830 opt_exec_argv = NULL;
831 for (i = 0; i < argc; i++) {
832 if (argv[i][0] == '-' && argv[i][1] == '-') {
833 opt_exec_name = argv[i + 1];
834 opt_exec_argv = &argv[i + 1];
835 break;
836 }
837 }
838 if (!opt_exec_name) {
839 opt_input_path = poptGetArg(pc);
840 }
16b22a0f 841
1fc22eb4
JD
842end:
843 if (pc) {
844 poptFreeContext(pc);
845 }
846 return ret;
847}
848
849void iter_trace(struct bt_context *bt_ctx)
850{
851 struct bt_ctf_iter *iter;
852 struct bt_iter_pos begin_pos;
246d5992 853 struct kprobes *kprobe;
4adc8274 854 const struct bt_ctf_event *event;
246d5992 855 int i;
1fc22eb4
JD
856 int ret = 0;
857
858 begin_pos.type = BT_SEEK_BEGIN;
859 iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL);
860
da4353bb
JD
861 /* at each event, verify the status of the process table */
862 bt_ctf_iter_add_callback(iter, 0, NULL, 0,
863 fix_process_table,
864 NULL, NULL, NULL);
6e11e0d0
JD
865 /* to handle the follow child option */
866 bt_ctf_iter_add_callback(iter,
867 g_quark_from_static_string("sched_process_fork"),
868 NULL, 0, handle_sched_process_fork, NULL, NULL, NULL);
54761a45
JD
869 /* to clean up the process table */
870 bt_ctf_iter_add_callback(iter,
871 g_quark_from_static_string("sched_process_free"),
872 NULL, 0, handle_sched_process_free, NULL, NULL, NULL);
08d1cfbe
JD
873 /* to get all the process from the statedumps */
874 bt_ctf_iter_add_callback(iter,
875 g_quark_from_static_string(
876 "lttng_statedump_process_state"),
877 NULL, 0, handle_statedump_process_state,
878 NULL, NULL, NULL);
879 bt_ctf_iter_add_callback(iter,
880 g_quark_from_static_string(
881 "lttng_statedump_file_descriptor"),
882 NULL, 0, handle_statedump_file_descriptor,
883 NULL, NULL, NULL);
884 bt_ctf_iter_add_callback(iter,
885 g_quark_from_static_string("sys_open"),
886 NULL, 0, handle_sys_open, NULL, NULL, NULL);
887 bt_ctf_iter_add_callback(iter,
888 g_quark_from_static_string("sys_close"),
889 NULL, 0, handle_sys_close, NULL, NULL, NULL);
890 bt_ctf_iter_add_callback(iter,
891 g_quark_from_static_string("exit_syscall"),
892 NULL, 0, handle_exit_syscall, NULL, NULL, NULL);
6777529d
JD
893 if (opt_textdump) {
894 bt_ctf_iter_add_callback(iter, 0, NULL, 0,
bca0e79c 895 textdump,
6777529d
JD
896 NULL, NULL, NULL);
897 } else {
898 /* at each event check if we need to refresh */
899 bt_ctf_iter_add_callback(iter, 0, NULL, 0,
900 check_timestamp,
901 NULL, NULL, NULL);
6777529d
JD
902 /* to handle the scheduling events */
903 bt_ctf_iter_add_callback(iter,
904 g_quark_from_static_string("sched_switch"),
905 NULL, 0, handle_sched_switch, NULL, NULL, NULL);
6777529d 906 /* for IO top */
6777529d
JD
907 bt_ctf_iter_add_callback(iter,
908 g_quark_from_static_string("sys_write"),
909 NULL, 0, handle_sys_write, NULL, NULL, NULL);
910 bt_ctf_iter_add_callback(iter,
911 g_quark_from_static_string("sys_read"),
912 NULL, 0, handle_sys_read, NULL, NULL, NULL);
246d5992
JD
913
914 /* for kprobes */
da4353bb
JD
915 if (lttngtop.kprobes_table) {
916 for (i = 0; i < lttngtop.kprobes_table->len; i++) {
917 kprobe = g_ptr_array_index(lttngtop.kprobes_table, i);
918 bt_ctf_iter_add_callback(iter,
919 g_quark_from_static_string(
920 kprobe->probe_name),
921 NULL, 0, handle_kprobes,
922 NULL, NULL, NULL);
923 }
246d5992 924 }
6777529d
JD
925 }
926
54761a45
JD
927 if (opt_exec_name) {
928 pid_t pid;
929
930 pid = fork();
931 if (pid == 0) {
932 execvpe(opt_exec_name, opt_exec_argv, opt_exec_env);
933 exit(EXIT_SUCCESS);
934 } else if (pid > 0) {
935 opt_exec_pid = pid;
936 g_hash_table_insert(tid_filter_list,
937 (gpointer) &pid,
938 &pid);
939 } else {
940 perror("fork");
941 exit(EXIT_FAILURE);
942 }
943 }
944
fbbda4da 945 while ((event = bt_ctf_iter_read_event(iter)) != NULL) {
050f9cf9 946 if (quit || reload_trace)
ae9e85c7 947 goto end_iter;
1fc22eb4
JD
948 ret = bt_iter_next(bt_ctf_get_iter(iter));
949 if (ret < 0)
950 goto end_iter;
951 }
952
953 /* block until quit, we reached the end of the trace */
954 sem_wait(&end_trace_sem);
955
956end_iter:
06570214 957 bt_ctf_iter_destroy(iter);
1fc22eb4
JD
958}
959
960/*
961 * bt_context_add_traces_recursive: Open a trace recursively
962 * (copied from BSD code in converter/babeltrace.c)
963 *
964 * Find each trace present in the subdirectory starting from the given
965 * path, and add them to the context. The packet_seek parameter can be
966 * NULL: this specify to use the default format packet_seek.
967 *
968 * Return: 0 on success, nonzero on failure.
969 * Unable to open toplevel: failure.
970 * Unable to open some subdirectory or file: warn and continue;
971 */
972int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
973 const char *format_str,
2e0a1190 974 void (*packet_seek)(struct bt_stream_pos *pos,
1fc22eb4
JD
975 size_t offset, int whence))
976{
977 FTS *tree;
978 FTSENT *node;
979 GArray *trace_ids;
980 char lpath[PATH_MAX];
981 char * const paths[2] = { lpath, NULL };
0d567cf1 982 int ret = -1;
1fc22eb4 983
12a91e9d
JD
984 if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 ||
985 (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 ||
986 (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) {
987 ret = bt_context_add_trace(ctx,
988 path, format_str, packet_seek, NULL, NULL);
989 if (ret < 0) {
990 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" "
991 "for reading.\n", path);
992 /* Allow to skip erroneous traces. */
993 ret = 1; /* partial error */
994 }
995 return ret;
996 }
1fc22eb4
JD
997 /*
998 * Need to copy path, because fts_open can change it.
999 * It is the pointer array, not the strings, that are constant.
1000 */
1001 strncpy(lpath, path, PATH_MAX);
1002 lpath[PATH_MAX - 1] = '\0';
1003
1004 tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0);
1005 if (tree == NULL) {
1006 fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n",
1007 path);
1008 return -EINVAL;
1009 }
1010
1011 trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
1012
1013 while ((node = fts_read(tree))) {
1014 int dirfd, metafd;
1015
1016 if (!(node->fts_info & FTS_D))
1017 continue;
1018
1019 dirfd = open(node->fts_accpath, 0);
1020 if (dirfd < 0) {
1021 fprintf(stderr, "[error] [Context] Unable to open trace "
1022 "directory file descriptor.\n");
1023 ret = dirfd;
1024 goto error;
1025 }
1026 metafd = openat(dirfd, "metadata", O_RDONLY);
1027 if (metafd < 0) {
7314c855 1028 close(dirfd);
7314c855 1029 continue;
1fc22eb4
JD
1030 } else {
1031 int trace_id;
1032
1033 ret = close(metafd);
1034 if (ret < 0) {
1035 perror("close");
1036 goto error;
1037 }
1038 ret = close(dirfd);
1039 if (ret < 0) {
1040 perror("close");
1041 goto error;
1042 }
1043
1044 trace_id = bt_context_add_trace(ctx,
1045 node->fts_accpath, format_str,
1046 packet_seek, NULL, NULL);
1047 if (trace_id < 0) {
0d567cf1 1048 fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s "
1fc22eb4 1049 "for reading.\n", node->fts_accpath, path);
0d567cf1
JD
1050 /* Allow to skip erroneous traces. */
1051 continue;
1fc22eb4
JD
1052 }
1053 g_array_append_val(trace_ids, trace_id);
1054 }
1055 }
1056
1057 g_array_free(trace_ids, TRUE);
0d567cf1 1058 return ret;
1fc22eb4
JD
1059
1060error:
1061 return ret;
1062}
1063
4553b4d1 1064static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list,
a54d0d2c
JD
1065 int field_cnt, int *tid_check, int *pid_check,
1066 int *procname_check, int *ppid_check)
1067{
1068 int j;
bb6d72a2
JD
1069 struct perfcounter *global;
1070 const char *name;
a54d0d2c
JD
1071
1072 for (j = 0; j < field_cnt; j++) {
bb6d72a2 1073 name = bt_ctf_get_decl_field_name(field_list[j]);
a54d0d2c 1074 if (*tid_check == 0) {
bb6d72a2 1075 if (strncmp(name, "tid", 3) == 0)
a54d0d2c 1076 (*tid_check)++;
a54d0d2c
JD
1077 }
1078 if (*pid_check == 0) {
da401e9c 1079 if (strncmp(name, "pid", 3) == 0)
a54d0d2c
JD
1080 (*pid_check)++;
1081 }
1082 if (*ppid_check == 0) {
bb6d72a2 1083 if (strncmp(name, "ppid", 4) == 0)
a54d0d2c
JD
1084 (*ppid_check)++;
1085 }
1086 if (*procname_check == 0) {
bb6d72a2 1087 if (strncmp(name, "procname", 8) == 0)
a54d0d2c
JD
1088 (*procname_check)++;
1089 }
bb6d72a2
JD
1090 if (strncmp(name, "perf_", 5) == 0) {
1091 global = g_hash_table_lookup(global_perf_liszt, (gpointer) name);
1092 if (!global) {
1093 global = g_new0(struct perfcounter, 1);
1094 /* by default, sort on the first perf context */
1095 if (g_hash_table_size(global_perf_liszt) == 0)
1096 global->sort = 1;
1097 global->visible = 1;
1098 g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global);
1099 }
1100 }
a54d0d2c 1101 }
bb6d72a2 1102
a54d0d2c
JD
1103 if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 &&
1104 *procname_check == 1)
1105 return 0;
1106
1107 return -1;
1108}
1109
1110/*
1111 * check_requirements: check if the required context informations are available
1112 *
1113 * If each mandatory context information is available for at least in one
1114 * event, return 0 otherwise return -1.
a54d0d2c
JD
1115 */
1116int check_requirements(struct bt_context *ctx)
1117{
1118 unsigned int i, evt_cnt, field_cnt;
1119 struct bt_ctf_event_decl *const * evt_list;
1120 const struct bt_ctf_field_decl *const * field_list;
1121 int tid_check = 0;
1122 int pid_check = 0;
1123 int procname_check = 0;
1124 int ppid_check = 0;
1125 int ret = 0;
1126
b1acd2b3
JD
1127 ret = bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt);
1128 if (ret < 0) {
1129 goto end;
1130 }
1131
a54d0d2c
JD
1132 for (i = 0; i < evt_cnt; i++) {
1133 bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT,
1134 &field_list, &field_cnt);
1135 ret = check_field_requirements(field_list, field_cnt,
1136 &tid_check, &pid_check, &procname_check,
1137 &ppid_check);
a54d0d2c
JD
1138
1139 bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT,
1140 &field_list, &field_cnt);
1141 ret = check_field_requirements(field_list, field_cnt,
1142 &tid_check, &pid_check, &procname_check,
1143 &ppid_check);
a54d0d2c
JD
1144
1145 bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT,
1146 &field_list, &field_cnt);
1147 ret = check_field_requirements(field_list, field_cnt,
1148 &tid_check, &pid_check, &procname_check,
1149 &ppid_check);
a54d0d2c
JD
1150 }
1151
1152 if (tid_check == 0) {
1153 ret = -1;
1154 fprintf(stderr, "[error] missing tid context information\n");
1155 }
1156 if (pid_check == 0) {
1157 ret = -1;
1158 fprintf(stderr, "[error] missing pid context information\n");
1159 }
1160 if (ppid_check == 0) {
1161 ret = -1;
1162 fprintf(stderr, "[error] missing ppid context information\n");
1163 }
1164 if (procname_check == 0) {
1165 ret = -1;
1166 fprintf(stderr, "[error] missing procname context information\n");
1167 }
8fe4d0cf
JD
1168 if (ret == 0) {
1169 valid_trace = 1;
1170 }
a54d0d2c 1171
16b22a0f
JD
1172end:
1173 return ret;
1174}
1175
54761a45
JD
1176static void handle_sigchild(int signal)
1177{
1178 int status;
1179
1180 waitpid(opt_exec_pid, &status, 0);
1181}
1182
1183int main(int argc, char **argv, char **envp)
1fc22eb4
JD
1184{
1185 int ret;
1186 struct bt_context *bt_ctx = NULL;
1187
71ba9228 1188 //babeltrace_verbose = 1;
957eed46 1189 init_lttngtop();
1fc22eb4
JD
1190 ret = parse_options(argc, argv);
1191 if (ret < 0) {
1192 fprintf(stdout, "Error parsing options.\n\n");
1193 usage(stdout);
1194 exit(EXIT_FAILURE);
1195 } else if (ret > 0) {
1196 exit(EXIT_SUCCESS);
1197 }
1198
54761a45
JD
1199 if (opt_exec_name) {
1200 opt_exec_env = envp;
1201 signal(SIGCHLD, handle_sigchild);
1202 }
1203
1204 if (!opt_input_path && !remote_live && !opt_exec_name) {
863dc485
JD
1205 /* mmap live */
1206#ifdef LTTNGTOP_MMAP_LIVE
24797198
JD
1207 if (opt_textdump) {
1208 signal(SIGTERM, handle_textdump_sigterm);
1209 signal(SIGINT, handle_textdump_sigterm);
1210 }
b1acd2b3 1211 mmap_live_loop(bt_ctx);
ae9e85c7 1212 pthread_join(timer_thread, NULL);
eb677852
JD
1213 quit = 1;
1214 pthread_join(display_thread, NULL);
6777529d 1215
c78f2cdc 1216 lttng_stop_tracing("test");
c78f2cdc
JD
1217 lttng_destroy_session("test");
1218
1fc22eb4 1219 goto end;
863dc485 1220#else
d2f1452b
JD
1221 fprintf(stderr, "[ERROR] Mmap live support not compiled, specify a "
1222 "trace directory or -r <relayd hostname/IP>\n");
1223 usage(stdout);
1224 ret = -1;
863dc485
JD
1225 goto end;
1226#endif /* LTTNGTOP_MMAP_LIVE */
1227 } else if (!opt_input_path && remote_live) {
1228 /* network live */
12a91e9d
JD
1229 bt_ctx = bt_context_create();
1230 ret = bt_context_add_traces_recursive(bt_ctx, opt_relay_hostname,
1231 "lttng-live", NULL);
1232 if (ret < 0) {
1233 fprintf(stderr, "[error] Opening the trace\n");
1234 goto end;
1235 }
16b22a0f 1236 } else {
957eed46 1237 //init_lttngtop();
16b22a0f
JD
1238
1239 bt_ctx = bt_context_create();
1240 ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL);
1241 if (ret < 0) {
1242 fprintf(stderr, "[error] Opening the trace\n");
1243 goto end;
1244 }
1fc22eb4 1245
12a91e9d 1246 ret = check_requirements(bt_ctx);
8fe4d0cf 1247 if (ret < 0 && !valid_trace) {
12a91e9d
JD
1248 fprintf(stderr, "[error] some mandatory contexts "
1249 "were missing, exiting.\n");
8fe4d0cf 1250 //goto end;
12a91e9d
JD
1251 }
1252
1253 if (!opt_textdump) {
1254 pthread_create(&display_thread, NULL, ncurses_display,
1255 (void *) NULL);
1256 pthread_create(&timer_thread, NULL, refresh_thread,
1257 (void *) NULL);
1258 }
1259
1260 iter_trace(bt_ctx);
863dc485 1261 }
1fc22eb4 1262
1fc22eb4 1263
863dc485
JD
1264 pthread_join(display_thread, NULL);
1265 quit = 1;
1266 pthread_join(timer_thread, NULL);
1fc22eb4 1267
d2f1452b
JD
1268 ret = 0;
1269
1fc22eb4 1270end:
16b22a0f
JD
1271 if (bt_ctx)
1272 bt_context_put(bt_ctx);
1273
d2f1452b 1274 return ret;
1fc22eb4 1275}
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