Commit | Line | Data |
---|---|---|
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 JD |
40 | #include <sys/mman.h> |
41 | #include <lttng/lttng.h> | |
b1acd2b3 | 42 | #ifdef LTTNGTOP_MMAP_LIVE |
16b22a0f | 43 | #include <lttng/lttngtop-helper.h> |
c78f2cdc | 44 | #include <babeltrace/lttngtopmmappacketseek.h> |
b1acd2b3 JD |
45 | #include "mmap-live.h" |
46 | #endif /* LTTNGTOP_MMAP_LIVE */ | |
1fc22eb4 JD |
47 | |
48 | #include "lttngtoptypes.h" | |
49 | #include "cputop.h" | |
50 | #include "iostreamtop.h" | |
51 | #include "cursesdisplay.h" | |
52 | #include "common.h" | |
b1acd2b3 JD |
53 | #include "network-live.h" |
54 | ||
12a91e9d JD |
55 | #define NET_URL_PREFIX "net://" |
56 | #define NET4_URL_PREFIX "net4://" | |
57 | #define NET6_URL_PREFIX "net6://" | |
1fc22eb4 JD |
58 | |
59 | #define DEFAULT_FILE_ARRAY_SIZE 1 | |
60 | ||
61 | const char *opt_input_path; | |
12a91e9d JD |
62 | int opt_textdump; |
63 | int opt_child; | |
64 | int opt_begin; | |
1fc22eb4 | 65 | |
ae9e85c7 JD |
66 | int quit = 0; |
67 | ||
1fc22eb4 JD |
68 | struct lttngtop *copy; |
69 | pthread_t display_thread; | |
70 | pthread_t timer_thread; | |
71 | ||
72 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
73 | unsigned long last_display_update = 0; | |
863dc485 | 74 | unsigned long last_event_ts = 0; |
1fc22eb4 | 75 | |
16b22a0f | 76 | /* list of FDs available for being read with snapshots */ |
b1acd2b3 | 77 | struct bt_mmap_stream_list mmap_list; |
16b22a0f JD |
78 | GPtrArray *lttng_consumer_stream_array; |
79 | int sessiond_metadata, consumerd_metadata; | |
4e6aeb3d JD |
80 | struct lttng_consumer_local_data *ctx = NULL; |
81 | /* list of snapshots currently not consumed */ | |
82 | GPtrArray *available_snapshots; | |
83 | sem_t metadata_available; | |
050f9cf9 | 84 | int reload_trace = 0; |
16b22a0f | 85 | |
57bff788 JD |
86 | int last_textdump_print_newline = 1; |
87 | ||
1fc22eb4 JD |
88 | enum { |
89 | OPT_NONE = 0, | |
90 | OPT_HELP, | |
6777529d | 91 | OPT_TEXTDUMP, |
32b70e07 JD |
92 | OPT_PID, |
93 | OPT_CHILD, | |
c8d75a13 | 94 | OPT_HOSTNAME, |
b1acd2b3 | 95 | OPT_RELAY_HOSTNAME, |
f16e36fc | 96 | OPT_KPROBES, |
3160c7a9 | 97 | OPT_BEGIN, |
1fc22eb4 JD |
98 | }; |
99 | ||
100 | static struct poptOption long_options[] = { | |
101 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
102 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
6777529d | 103 | { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL }, |
32b70e07 | 104 | { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL }, |
3160c7a9 | 105 | { "begin", 'b', POPT_ARG_NONE, NULL, OPT_BEGIN, NULL, NULL }, |
57bff788 | 106 | { "pid", 'p', POPT_ARG_STRING, &opt_tid, OPT_PID, NULL, NULL }, |
c8d75a13 | 107 | { "hostname", 'n', POPT_ARG_STRING, &opt_hostname, OPT_HOSTNAME, NULL, NULL }, |
b1acd2b3 JD |
108 | { "relay-hostname", 'r', POPT_ARG_STRING, &opt_relay_hostname, |
109 | OPT_RELAY_HOSTNAME, NULL, NULL }, | |
f16e36fc | 110 | { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL }, |
1fc22eb4 JD |
111 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
112 | }; | |
113 | ||
863dc485 | 114 | #ifdef LTTNGTOP_MMAP_LIVE |
24797198 JD |
115 | static void handle_textdump_sigterm(int signal) |
116 | { | |
117 | quit = 1; | |
118 | lttng_destroy_session("test"); | |
119 | } | |
863dc485 | 120 | #endif |
24797198 | 121 | |
1fc22eb4 JD |
122 | void *refresh_thread(void *p) |
123 | { | |
124 | while (1) { | |
ae9e85c7 JD |
125 | if (quit) { |
126 | sem_post(&pause_sem); | |
127 | sem_post(&timer); | |
1402044a | 128 | sem_post(&end_trace_sem); |
ae9e85c7 | 129 | sem_post(&goodtodisplay); |
1402044a | 130 | sem_post(&goodtoupdate); |
ae9e85c7 JD |
131 | pthread_exit(0); |
132 | } | |
1402044a | 133 | if (!opt_input_path) { |
b1acd2b3 JD |
134 | #ifdef LTTNGTOP_MMAP_LIVE |
135 | mmap_live_flush(mmap_list); | |
136 | #endif | |
1402044a | 137 | } |
1fc22eb4 JD |
138 | sem_wait(&pause_sem); |
139 | sem_post(&pause_sem); | |
140 | sem_post(&timer); | |
141 | sleep(refresh_display/NSEC_PER_SEC); | |
142 | } | |
143 | } | |
144 | ||
145 | void *ncurses_display(void *p) | |
146 | { | |
147 | unsigned int current_display_index = 0; | |
148 | ||
149 | sem_wait(&bootstrap); | |
b332d28f JD |
150 | /* |
151 | * Prevent the 1 second delay when we hit ESC | |
152 | */ | |
153 | ESCDELAY = 0; | |
1fc22eb4 JD |
154 | init_ncurses(); |
155 | ||
156 | while (1) { | |
157 | sem_wait(&timer); | |
158 | sem_wait(&goodtodisplay); | |
159 | sem_wait(&pause_sem); | |
160 | ||
ae9e85c7 | 161 | if (quit) { |
33572a17 JD |
162 | sem_post(&pause_sem); |
163 | sem_post(&timer); | |
ae9e85c7 JD |
164 | reset_ncurses(); |
165 | pthread_exit(0); | |
166 | } | |
167 | ||
1fc22eb4 | 168 | copy = g_ptr_array_index(copies, current_display_index); |
85db4618 JD |
169 | assert(copy); |
170 | display(current_display_index++); | |
1fc22eb4 JD |
171 | |
172 | sem_post(&goodtoupdate); | |
173 | sem_post(&pause_sem); | |
1fc22eb4 JD |
174 | } |
175 | } | |
176 | ||
575cc4fd JD |
177 | void print_fields(struct bt_ctf_event *event) |
178 | { | |
179 | unsigned int cnt, i; | |
b1acd2b3 JD |
180 | const struct bt_definition *const * list; |
181 | const struct bt_declaration *l; | |
182 | const struct bt_definition *scope; | |
575cc4fd JD |
183 | enum ctf_type_id type; |
184 | const char *str; | |
185 | ||
186 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS); | |
187 | ||
188 | bt_ctf_get_field_list(event, scope, &list, &cnt); | |
189 | for (i = 0; i < cnt; i++) { | |
190 | if (i != 0) | |
191 | printf(", "); | |
192 | printf("%s = ", bt_ctf_field_name(list[i])); | |
9498e78c JD |
193 | l = bt_ctf_get_decl_from_def(list[i]); |
194 | type = bt_ctf_field_type(l); | |
575cc4fd | 195 | if (type == CTF_TYPE_INTEGER) { |
9498e78c | 196 | if (bt_ctf_get_int_signedness(l) == 0) |
575cc4fd JD |
197 | printf("%" PRIu64 "", bt_ctf_get_uint64(list[i])); |
198 | else | |
199 | printf("%" PRId64 "", bt_ctf_get_int64(list[i])); | |
200 | } else if (type == CTF_TYPE_STRING) { | |
201 | printf("%s", bt_ctf_get_string(list[i])); | |
202 | } else if (type == CTF_TYPE_ARRAY) { | |
203 | str = bt_ctf_get_char_array(list[i]); | |
fbbda4da | 204 | if (!bt_ctf_field_get_error() && str) |
575cc4fd JD |
205 | printf("%s", str); |
206 | } | |
207 | } | |
208 | } | |
209 | ||
6112d0d4 JD |
210 | /* |
211 | * hook on each event to check the timestamp and refresh the display if | |
212 | * necessary | |
213 | */ | |
214 | enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data) | |
215 | { | |
216 | unsigned long timestamp; | |
217 | struct tm start; | |
b520ab45 | 218 | uint64_t ts_nsec_start; |
575cc4fd | 219 | int pid, cpu_id; |
d2d680e0 | 220 | int64_t syscall_ret; |
b1acd2b3 | 221 | const struct bt_definition *scope; |
575cc4fd | 222 | const char *hostname, *procname; |
6112d0d4 | 223 | |
6112d0d4 JD |
224 | timestamp = bt_ctf_get_timestamp(call_data); |
225 | ||
863dc485 JD |
226 | /* can happen in network live when tracing is idle */ |
227 | if (timestamp < last_event_ts) | |
228 | goto end_stop; | |
229 | ||
230 | last_event_ts = timestamp; | |
231 | ||
b520ab45 | 232 | start = format_timestamp(timestamp); |
6112d0d4 JD |
233 | ts_nsec_start = timestamp % NSEC_PER_SEC; |
234 | ||
32b70e07 | 235 | pid = get_context_pid(call_data); |
57bff788 | 236 | if (pid == -1ULL && opt_tid) { |
32b70e07 JD |
237 | goto error; |
238 | } | |
239 | ||
c8d75a13 | 240 | hostname = get_context_hostname(call_data); |
da4353bb JD |
241 | if (opt_tid || opt_hostname) |
242 | if (!lookup_filter_tid_list(pid)) | |
243 | goto end; | |
244 | ||
575cc4fd JD |
245 | cpu_id = get_cpu_id(call_data); |
246 | procname = get_context_comm(call_data); | |
247 | ||
f16e36fc JD |
248 | if ((strcmp(bt_ctf_event_name(call_data), "exit_syscall") == 0) && |
249 | !last_textdump_print_newline) { | |
d2d680e0 JD |
250 | scope = bt_ctf_get_top_level_scope(call_data, |
251 | BT_EVENT_FIELDS); | |
252 | syscall_ret = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
253 | scope, "_ret")); | |
254 | printf("= %ld\n", syscall_ret); | |
57bff788 | 255 | last_textdump_print_newline = 1; |
d2d680e0 | 256 | } else { |
57bff788 JD |
257 | /* we might have lost the exit_syscall event, so need to |
258 | * print the newline in this case */ | |
259 | if (last_textdump_print_newline == 0) | |
260 | printf("\n"); | |
575cc4fd JD |
261 | printf("%02d:%02d:%02d.%09" PRIu64 " (%s) (cpu %d) [%s (%d)] %s (", |
262 | start.tm_hour, start.tm_min, start.tm_sec, | |
263 | ts_nsec_start, hostname, cpu_id, procname, pid, | |
264 | bt_ctf_event_name(call_data)); | |
265 | print_fields(call_data); | |
266 | printf(") "); | |
fbbda4da | 267 | if (strncmp(bt_ctf_event_name(call_data), "sys_", 4) != 0) { |
575cc4fd | 268 | printf("\n"); |
fbbda4da JD |
269 | last_textdump_print_newline = 1; |
270 | } else { | |
271 | last_textdump_print_newline = 0; | |
575cc4fd | 272 | } |
d2d680e0 | 273 | } |
6112d0d4 | 274 | |
32b70e07 | 275 | end: |
6112d0d4 | 276 | return BT_CB_OK; |
32b70e07 JD |
277 | error: |
278 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
279 | end_stop: |
280 | return BT_CB_OK_STOP; | |
6112d0d4 JD |
281 | } |
282 | ||
246d5992 JD |
283 | enum bt_cb_ret handle_kprobes(struct bt_ctf_event *call_data, void *private_data) |
284 | { | |
285 | int i; | |
286 | struct kprobes *kprobe; | |
287 | ||
288 | /* for kprobes */ | |
289 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
290 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
291 | if (strcmp(bt_ctf_event_name(call_data), kprobe->probe_name) == 0) { | |
292 | kprobe->count++; | |
293 | } | |
294 | } | |
295 | ||
296 | return BT_CB_OK; | |
297 | } | |
298 | ||
1fc22eb4 JD |
299 | /* |
300 | * hook on each event to check the timestamp and refresh the display if | |
301 | * necessary | |
302 | */ | |
4adc8274 | 303 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
304 | { |
305 | unsigned long timestamp; | |
306 | ||
c78f2cdc | 307 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
308 | if (timestamp == -1ULL) |
309 | goto error; | |
310 | ||
863dc485 JD |
311 | /* can happen in network live when tracing is idle */ |
312 | if (timestamp < last_event_ts) | |
313 | goto end_stop; | |
314 | ||
315 | last_event_ts = timestamp; | |
316 | ||
1fc22eb4 JD |
317 | if (last_display_update == 0) |
318 | last_display_update = timestamp; | |
319 | ||
320 | if (timestamp - last_display_update >= refresh_display) { | |
321 | sem_wait(&goodtoupdate); | |
322 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
323 | timestamp)); | |
324 | sem_post(&goodtodisplay); | |
325 | sem_post(&bootstrap); | |
326 | last_display_update = timestamp; | |
327 | } | |
328 | return BT_CB_OK; | |
329 | ||
330 | error: | |
331 | fprintf(stderr, "check_timestamp callback error\n"); | |
332 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
333 | |
334 | end_stop: | |
335 | return BT_CB_OK_STOP; | |
1fc22eb4 JD |
336 | } |
337 | ||
338 | /* | |
339 | * get_perf_counter : get or create and return a perf_counter struct for | |
340 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
341 | */ | |
342 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
343 | struct cputime *cpu) | |
344 | { | |
bb6d72a2 | 345 | struct perfcounter *ret; |
1fc22eb4 JD |
346 | GHashTable *table; |
347 | ||
348 | if (proc) | |
349 | table = proc->perf; | |
350 | else if (cpu) | |
351 | table = cpu->perf; | |
352 | else | |
353 | goto error; | |
354 | ||
355 | ret = g_hash_table_lookup(table, (gpointer) name); | |
356 | if (ret) | |
357 | goto end; | |
358 | ||
559c9f86 | 359 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
360 | /* by default, make it visible in the UI */ |
361 | ret->visible = 1; | |
85db4618 | 362 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 363 | |
1fc22eb4 JD |
364 | end: |
365 | return ret; | |
366 | ||
367 | error: | |
368 | return NULL; | |
369 | } | |
370 | ||
371 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
372 | const char *name, int value) | |
373 | { | |
374 | struct perfcounter *cpu_perf, *process_perf; | |
375 | ||
376 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
377 | if (cpu_perf->count < value) { | |
378 | process_perf = get_perf_counter(name, proc, NULL); | |
379 | process_perf->count += value - cpu_perf->count; | |
380 | cpu_perf->count = value; | |
381 | } | |
382 | } | |
383 | ||
4adc8274 | 384 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 385 | const struct bt_definition *scope, |
1fc22eb4 JD |
386 | struct processtop *proc, |
387 | struct cputime *cpu) | |
388 | { | |
2e0a1190 JD |
389 | struct bt_definition const * const *list = NULL; |
390 | const struct bt_definition *field; | |
1fc22eb4 | 391 | unsigned int count; |
bb6d72a2 JD |
392 | struct perfcounter *perfcounter; |
393 | GHashTableIter iter; | |
394 | gpointer key; | |
395 | int ret; | |
1fc22eb4 JD |
396 | |
397 | if (!scope) | |
398 | goto end; | |
399 | ||
400 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
401 | if (ret < 0) | |
402 | goto end; | |
403 | ||
bb6d72a2 JD |
404 | if (count == 0) |
405 | goto end; | |
406 | ||
407 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
408 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
409 | field = bt_ctf_get_field(event, scope, (char *) key); | |
410 | if (field) { | |
411 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
412 | if (bt_ctf_field_get_error()) |
413 | continue; | |
bb6d72a2 | 414 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
415 | } |
416 | } | |
417 | ||
418 | end: | |
419 | return; | |
420 | } | |
421 | ||
4adc8274 | 422 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 423 | { |
1fc22eb4 | 424 | struct cputime *cpu; |
2e0a1190 | 425 | const struct bt_definition *scope; |
1fc22eb4 | 426 | |
d67167cd | 427 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
428 | |
429 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
430 | extract_perf_counter_scope(event, scope, proc, cpu); | |
431 | ||
432 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
433 | extract_perf_counter_scope(event, scope, proc, cpu); | |
434 | ||
435 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
436 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
437 | } |
438 | ||
4adc8274 | 439 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
440 | void *private_data) |
441 | { | |
1402044a | 442 | int pid, tid, ppid, vpid, vtid, vppid; |
c8d75a13 | 443 | char *comm, *hostname; |
1fc22eb4 | 444 | struct processtop *parent, *child; |
1fc22eb4 JD |
445 | unsigned long timestamp; |
446 | ||
c78f2cdc | 447 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
448 | if (timestamp == -1ULL) |
449 | goto error; | |
450 | ||
1dec520a JD |
451 | pid = get_context_pid(call_data); |
452 | if (pid == -1ULL) { | |
1fc22eb4 JD |
453 | goto error; |
454 | } | |
96aa77de | 455 | |
1dec520a JD |
456 | tid = get_context_tid(call_data); |
457 | if (tid == -1ULL) { | |
1fc22eb4 JD |
458 | goto error; |
459 | } | |
1dec520a JD |
460 | ppid = get_context_ppid(call_data); |
461 | if (ppid == -1ULL) { | |
1fc22eb4 JD |
462 | goto error; |
463 | } | |
1402044a JD |
464 | vpid = get_context_vpid(call_data); |
465 | if (pid == -1ULL) { | |
466 | vpid = -1; | |
467 | } | |
468 | vtid = get_context_vtid(call_data); | |
469 | if (tid == -1ULL) { | |
470 | vtid = -1; | |
471 | } | |
472 | vppid = get_context_vppid(call_data); | |
473 | if (ppid == -1ULL) { | |
474 | vppid = -1; | |
475 | } | |
1dec520a JD |
476 | comm = get_context_comm(call_data); |
477 | if (!comm) { | |
1fc22eb4 JD |
478 | goto error; |
479 | } | |
c8d75a13 JD |
480 | /* optional */ |
481 | hostname = get_context_hostname(call_data); | |
1fc22eb4 JD |
482 | |
483 | /* find or create the current process */ | |
484 | child = find_process_tid(<tngtop, tid, comm); | |
485 | if (!child) | |
906c08f6 | 486 | child = add_proc(<tngtop, tid, comm, timestamp, hostname); |
96aa77de JD |
487 | if (!child) |
488 | goto end; | |
c8d75a13 | 489 | update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm, hostname); |
1fc22eb4 JD |
490 | |
491 | if (pid != tid) { | |
492 | /* find or create the parent */ | |
493 | parent = find_process_tid(<tngtop, pid, comm); | |
494 | if (!parent) { | |
906c08f6 | 495 | parent = add_proc(<tngtop, pid, comm, timestamp, hostname); |
96aa77de JD |
496 | if (parent) |
497 | parent->pid = pid; | |
1fc22eb4 JD |
498 | } |
499 | ||
500 | /* attach the parent to the current process */ | |
501 | child->threadparent = parent; | |
502 | add_thread(parent, child); | |
503 | } | |
504 | ||
505 | update_perf_counter(child, call_data); | |
506 | ||
96aa77de | 507 | end: |
1fc22eb4 JD |
508 | return BT_CB_OK; |
509 | ||
510 | error: | |
511 | return BT_CB_ERROR_STOP; | |
512 | } | |
513 | ||
514 | void init_lttngtop() | |
515 | { | |
516 | copies = g_ptr_array_new(); | |
0d91c12a | 517 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
da4353bb | 518 | global_filter_list = g_hash_table_new(g_str_hash, g_str_equal); |
114cae59 | 519 | global_host_list = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
520 | |
521 | sem_init(&goodtodisplay, 0, 0); | |
522 | sem_init(&goodtoupdate, 0, 1); | |
523 | sem_init(&timer, 0, 1); | |
524 | sem_init(&bootstrap, 0, 0); | |
525 | sem_init(&pause_sem, 0, 1); | |
526 | sem_init(&end_trace_sem, 0, 0); | |
527 | ||
e05a35a6 JD |
528 | reset_global_counters(); |
529 | lttngtop.nbproc = 0; | |
530 | lttngtop.nbthreads = 0; | |
531 | lttngtop.nbfiles = 0; | |
532 | ||
30b646c4 JD |
533 | lttngtop.process_hash_table = g_hash_table_new(g_direct_hash, |
534 | g_direct_equal); | |
1fc22eb4 JD |
535 | lttngtop.process_table = g_ptr_array_new(); |
536 | lttngtop.files_table = g_ptr_array_new(); | |
537 | lttngtop.cpu_table = g_ptr_array_new(); | |
da4353bb JD |
538 | |
539 | toggle_filter = -1; | |
1fc22eb4 JD |
540 | } |
541 | ||
c263c4eb | 542 | void usage(FILE *fp) |
1fc22eb4 | 543 | { |
c263c4eb | 544 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
d2f1452b JD |
545 | fprintf(fp, "Usage : lttngtop [OPTIONS] TRACE\n"); |
546 | fprintf(fp, " TRACE Path to the trace to analyse (-r for network live tracing, nothing for mmap live streaming)\n"); | |
c8d75a13 JD |
547 | fprintf(fp, " -h, --help This help message\n"); |
548 | fprintf(fp, " -t, --textdump Display live events in text-only\n"); | |
549 | fprintf(fp, " -p, --pid Comma-separated list of PIDs to display\n"); | |
550 | fprintf(fp, " -f, --child Follow threads associated with selected PIDs\n"); | |
551 | fprintf(fp, " -n, --hostname Comma-separated list of hostnames to display (require hostname context in trace)\n"); | |
241ba90a | 552 | fprintf(fp, " -k, --kprobes Comma-separated list of kprobes to insert (same format as lttng enable-event)\n"); |
bab469fc JD |
553 | fprintf(fp, " -r, --relay-hostname Network live streaming : hostname of the lttng-relayd (default port)\n"); |
554 | fprintf(fp, " -b, --begin Network live streaming : read the trace for the beginning of the recording\n"); | |
1fc22eb4 JD |
555 | } |
556 | ||
f16e36fc JD |
557 | /* |
558 | * Parse probe options. | |
559 | * Shamelessly stolen from lttng-tools : | |
560 | * src/bin/lttng/commands/enable_events.c | |
561 | */ | |
562 | static struct kprobes *parse_probe_opts(char *opt) | |
563 | { | |
564 | char s_hex[19]; | |
565 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
566 | struct kprobes *kprobe; | |
567 | int ret; | |
568 | ||
569 | /* | |
570 | kprobe->probe_addr = 0; | |
571 | kprobe->probe_offset = 0; | |
572 | asprintf(&kprobe->probe_name, "probe_sys_open"); | |
573 | asprintf(&kprobe->symbol_name, "sys_open"); | |
574 | */ | |
575 | ||
576 | if (opt == NULL) { | |
577 | kprobe = NULL; | |
578 | goto end; | |
579 | } | |
580 | ||
581 | kprobe = g_new0(struct kprobes, 1); | |
582 | ||
583 | /* Check for symbol+offset */ | |
584 | ret = sscanf(opt, "%[^'+']+%s", name, s_hex); | |
585 | if (ret == 2) { | |
b1acd2b3 JD |
586 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
587 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
588 | |
589 | if (strlen(s_hex) == 0) { | |
590 | fprintf(stderr, "Invalid probe offset %s", s_hex); | |
591 | ret = -1; | |
592 | goto end; | |
593 | } | |
594 | kprobe->probe_offset = strtoul(s_hex, NULL, 0); | |
595 | kprobe->probe_addr = 0; | |
596 | goto end; | |
597 | } | |
598 | ||
599 | /* Check for symbol */ | |
600 | if (isalpha(name[0])) { | |
601 | ret = sscanf(opt, "%s", name); | |
602 | if (ret == 1) { | |
b1acd2b3 JD |
603 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
604 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
605 | kprobe->probe_offset = 0; |
606 | kprobe->probe_addr = 0; | |
607 | goto end; | |
608 | } | |
609 | } | |
610 | ||
611 | /* Check for address */ | |
612 | ret = sscanf(opt, "%s", s_hex); | |
613 | if (ret > 0) { | |
614 | if (strlen(s_hex) == 0) { | |
615 | fprintf(stderr, "Invalid probe address %s", s_hex); | |
616 | ret = -1; | |
617 | goto end; | |
618 | } | |
b1acd2b3 | 619 | ret = asprintf(&kprobe->probe_name, "probe_%s", s_hex); |
f16e36fc JD |
620 | kprobe->probe_offset = 0; |
621 | kprobe->probe_addr = strtoul(s_hex, NULL, 0); | |
622 | goto end; | |
623 | } | |
624 | ||
625 | /* No match */ | |
626 | kprobe = NULL; | |
627 | ||
628 | end: | |
629 | return kprobe; | |
630 | } | |
631 | ||
1fc22eb4 JD |
632 | /* |
633 | * Return 0 if caller should continue, < 0 if caller should return | |
634 | * error, > 0 if caller should exit without reporting error. | |
635 | */ | |
636 | static int parse_options(int argc, char **argv) | |
637 | { | |
638 | poptContext pc; | |
639 | int opt, ret = 0; | |
57bff788 JD |
640 | char *tmp_str; |
641 | int *tid; | |
1fc22eb4 | 642 | |
b1acd2b3 JD |
643 | remote_live = 0; |
644 | ||
1fc22eb4 JD |
645 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
646 | poptReadDefaultConfig(pc, 0); | |
647 | ||
648 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
649 | switch (opt) { | |
650 | case OPT_HELP: | |
651 | usage(stdout); | |
652 | ret = 1; /* exit cleanly */ | |
653 | goto end; | |
6777529d JD |
654 | case OPT_TEXTDUMP: |
655 | opt_textdump = 1; | |
32b70e07 JD |
656 | break; |
657 | case OPT_CHILD: | |
658 | opt_textdump = 1; | |
659 | opt_child = 1; | |
660 | break; | |
661 | case OPT_PID: | |
da4353bb | 662 | toggle_filter = 1; |
ea5d1dc9 | 663 | tid_filter_list = g_hash_table_new(g_str_hash, |
c8d75a13 | 664 | g_str_equal); |
57bff788 JD |
665 | tmp_str = strtok(opt_tid, ","); |
666 | while (tmp_str) { | |
667 | tid = malloc(sizeof(int)); | |
668 | *tid = atoi(tmp_str); | |
ea5d1dc9 | 669 | g_hash_table_insert(tid_filter_list, |
c8d75a13 JD |
670 | (gpointer) tid, tid); |
671 | tmp_str = strtok(NULL, ","); | |
672 | } | |
673 | break; | |
3160c7a9 JD |
674 | case OPT_BEGIN: |
675 | /* start reading the live trace from the beginning */ | |
676 | opt_begin = 1; | |
677 | break; | |
c8d75a13 | 678 | case OPT_HOSTNAME: |
da4353bb | 679 | toggle_filter = 1; |
c8d75a13 JD |
680 | tmp_str = strtok(opt_hostname, ","); |
681 | while (tmp_str) { | |
467097ac | 682 | add_hostname_list(tmp_str, 1); |
57bff788 JD |
683 | tmp_str = strtok(NULL, ","); |
684 | } | |
32b70e07 | 685 | break; |
b1acd2b3 JD |
686 | case OPT_RELAY_HOSTNAME: |
687 | remote_live = 1; | |
688 | break; | |
f16e36fc JD |
689 | case OPT_KPROBES: |
690 | lttngtop.kprobes_table = g_ptr_array_new(); | |
691 | tmp_str = strtok(opt_kprobes, ","); | |
692 | while (tmp_str) { | |
693 | struct kprobes *kprobe; | |
694 | ||
695 | kprobe = parse_probe_opts(tmp_str); | |
696 | if (kprobe) { | |
697 | g_ptr_array_add( | |
698 | lttngtop.kprobes_table, | |
699 | kprobe); | |
700 | } else { | |
701 | ret = -EINVAL; | |
702 | goto end; | |
703 | } | |
704 | tmp_str = strtok(NULL, ","); | |
705 | } | |
706 | break; | |
1fc22eb4 JD |
707 | default: |
708 | ret = -EINVAL; | |
709 | goto end; | |
710 | } | |
711 | } | |
712 | ||
713 | opt_input_path = poptGetArg(pc); | |
16b22a0f | 714 | |
1fc22eb4 JD |
715 | end: |
716 | if (pc) { | |
717 | poptFreeContext(pc); | |
718 | } | |
719 | return ret; | |
720 | } | |
721 | ||
722 | void iter_trace(struct bt_context *bt_ctx) | |
723 | { | |
724 | struct bt_ctf_iter *iter; | |
725 | struct bt_iter_pos begin_pos; | |
246d5992 | 726 | struct kprobes *kprobe; |
4adc8274 | 727 | const struct bt_ctf_event *event; |
246d5992 | 728 | int i; |
1fc22eb4 JD |
729 | int ret = 0; |
730 | ||
731 | begin_pos.type = BT_SEEK_BEGIN; | |
732 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
733 | ||
da4353bb JD |
734 | /* at each event, verify the status of the process table */ |
735 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
736 | fix_process_table, | |
737 | NULL, NULL, NULL); | |
6777529d JD |
738 | if (opt_textdump) { |
739 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
740 | print_timestamp, | |
741 | NULL, NULL, NULL); | |
742 | } else { | |
743 | /* at each event check if we need to refresh */ | |
744 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
745 | check_timestamp, | |
746 | NULL, NULL, NULL); | |
6777529d JD |
747 | /* to handle the scheduling events */ |
748 | bt_ctf_iter_add_callback(iter, | |
749 | g_quark_from_static_string("sched_switch"), | |
750 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
751 | /* to clean up the process table */ | |
752 | bt_ctf_iter_add_callback(iter, | |
753 | g_quark_from_static_string("sched_process_free"), | |
754 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
755 | /* to get all the process from the statedumps */ | |
756 | bt_ctf_iter_add_callback(iter, | |
757 | g_quark_from_static_string( | |
758 | "lttng_statedump_process_state"), | |
759 | NULL, 0, handle_statedump_process_state, | |
760 | NULL, NULL, NULL); | |
761 | ||
762 | /* for IO top */ | |
763 | bt_ctf_iter_add_callback(iter, | |
764 | g_quark_from_static_string("exit_syscall"), | |
765 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
766 | bt_ctf_iter_add_callback(iter, | |
767 | g_quark_from_static_string("sys_write"), | |
768 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
769 | bt_ctf_iter_add_callback(iter, | |
770 | g_quark_from_static_string("sys_read"), | |
771 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
772 | bt_ctf_iter_add_callback(iter, | |
773 | g_quark_from_static_string("sys_open"), | |
774 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
775 | bt_ctf_iter_add_callback(iter, | |
776 | g_quark_from_static_string("sys_close"), | |
777 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
778 | bt_ctf_iter_add_callback(iter, | |
779 | g_quark_from_static_string( | |
ceb3a221 | 780 | "lttng_statedump_file_descriptor"), |
6777529d JD |
781 | NULL, 0, handle_statedump_file_descriptor, |
782 | NULL, NULL, NULL); | |
246d5992 JD |
783 | |
784 | /* for kprobes */ | |
da4353bb JD |
785 | if (lttngtop.kprobes_table) { |
786 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
787 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
788 | bt_ctf_iter_add_callback(iter, | |
789 | g_quark_from_static_string( | |
790 | kprobe->probe_name), | |
791 | NULL, 0, handle_kprobes, | |
792 | NULL, NULL, NULL); | |
793 | } | |
246d5992 | 794 | } |
6777529d JD |
795 | } |
796 | ||
fbbda4da | 797 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
050f9cf9 | 798 | if (quit || reload_trace) |
ae9e85c7 | 799 | goto end_iter; |
1fc22eb4 JD |
800 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
801 | if (ret < 0) | |
802 | goto end_iter; | |
803 | } | |
804 | ||
805 | /* block until quit, we reached the end of the trace */ | |
806 | sem_wait(&end_trace_sem); | |
807 | ||
808 | end_iter: | |
06570214 | 809 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
810 | } |
811 | ||
812 | /* | |
813 | * bt_context_add_traces_recursive: Open a trace recursively | |
814 | * (copied from BSD code in converter/babeltrace.c) | |
815 | * | |
816 | * Find each trace present in the subdirectory starting from the given | |
817 | * path, and add them to the context. The packet_seek parameter can be | |
818 | * NULL: this specify to use the default format packet_seek. | |
819 | * | |
820 | * Return: 0 on success, nonzero on failure. | |
821 | * Unable to open toplevel: failure. | |
822 | * Unable to open some subdirectory or file: warn and continue; | |
823 | */ | |
824 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
825 | const char *format_str, | |
2e0a1190 | 826 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
827 | size_t offset, int whence)) |
828 | { | |
829 | FTS *tree; | |
830 | FTSENT *node; | |
831 | GArray *trace_ids; | |
832 | char lpath[PATH_MAX]; | |
833 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 834 | int ret = -1; |
1fc22eb4 | 835 | |
12a91e9d JD |
836 | if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 || |
837 | (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 || | |
838 | (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) { | |
839 | ret = bt_context_add_trace(ctx, | |
840 | path, format_str, packet_seek, NULL, NULL); | |
841 | if (ret < 0) { | |
842 | fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" " | |
843 | "for reading.\n", path); | |
844 | /* Allow to skip erroneous traces. */ | |
845 | ret = 1; /* partial error */ | |
846 | } | |
847 | return ret; | |
848 | } | |
1fc22eb4 JD |
849 | /* |
850 | * Need to copy path, because fts_open can change it. | |
851 | * It is the pointer array, not the strings, that are constant. | |
852 | */ | |
853 | strncpy(lpath, path, PATH_MAX); | |
854 | lpath[PATH_MAX - 1] = '\0'; | |
855 | ||
856 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
857 | if (tree == NULL) { | |
858 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
859 | path); | |
860 | return -EINVAL; | |
861 | } | |
862 | ||
863 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
864 | ||
865 | while ((node = fts_read(tree))) { | |
866 | int dirfd, metafd; | |
867 | ||
868 | if (!(node->fts_info & FTS_D)) | |
869 | continue; | |
870 | ||
871 | dirfd = open(node->fts_accpath, 0); | |
872 | if (dirfd < 0) { | |
873 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
874 | "directory file descriptor.\n"); | |
875 | ret = dirfd; | |
876 | goto error; | |
877 | } | |
878 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
879 | if (metafd < 0) { | |
7314c855 | 880 | close(dirfd); |
7314c855 | 881 | continue; |
1fc22eb4 JD |
882 | } else { |
883 | int trace_id; | |
884 | ||
885 | ret = close(metafd); | |
886 | if (ret < 0) { | |
887 | perror("close"); | |
888 | goto error; | |
889 | } | |
890 | ret = close(dirfd); | |
891 | if (ret < 0) { | |
892 | perror("close"); | |
893 | goto error; | |
894 | } | |
895 | ||
896 | trace_id = bt_context_add_trace(ctx, | |
897 | node->fts_accpath, format_str, | |
898 | packet_seek, NULL, NULL); | |
899 | if (trace_id < 0) { | |
0d567cf1 | 900 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 901 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
902 | /* Allow to skip erroneous traces. */ |
903 | continue; | |
1fc22eb4 JD |
904 | } |
905 | g_array_append_val(trace_ids, trace_id); | |
906 | } | |
907 | } | |
908 | ||
909 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 910 | return ret; |
1fc22eb4 JD |
911 | |
912 | error: | |
913 | return ret; | |
914 | } | |
915 | ||
4553b4d1 | 916 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
917 | int field_cnt, int *tid_check, int *pid_check, |
918 | int *procname_check, int *ppid_check) | |
919 | { | |
920 | int j; | |
bb6d72a2 JD |
921 | struct perfcounter *global; |
922 | const char *name; | |
a54d0d2c JD |
923 | |
924 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 925 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 926 | if (*tid_check == 0) { |
bb6d72a2 | 927 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 928 | (*tid_check)++; |
a54d0d2c JD |
929 | } |
930 | if (*pid_check == 0) { | |
da401e9c | 931 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
932 | (*pid_check)++; |
933 | } | |
934 | if (*ppid_check == 0) { | |
bb6d72a2 | 935 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
936 | (*ppid_check)++; |
937 | } | |
938 | if (*procname_check == 0) { | |
bb6d72a2 | 939 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
940 | (*procname_check)++; |
941 | } | |
bb6d72a2 JD |
942 | if (strncmp(name, "perf_", 5) == 0) { |
943 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
944 | if (!global) { | |
945 | global = g_new0(struct perfcounter, 1); | |
946 | /* by default, sort on the first perf context */ | |
947 | if (g_hash_table_size(global_perf_liszt) == 0) | |
948 | global->sort = 1; | |
949 | global->visible = 1; | |
950 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
951 | } | |
952 | } | |
a54d0d2c | 953 | } |
bb6d72a2 | 954 | |
a54d0d2c JD |
955 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
956 | *procname_check == 1) | |
957 | return 0; | |
958 | ||
959 | return -1; | |
960 | } | |
961 | ||
962 | /* | |
963 | * check_requirements: check if the required context informations are available | |
964 | * | |
965 | * If each mandatory context information is available for at least in one | |
966 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
967 | */ |
968 | int check_requirements(struct bt_context *ctx) | |
969 | { | |
970 | unsigned int i, evt_cnt, field_cnt; | |
971 | struct bt_ctf_event_decl *const * evt_list; | |
972 | const struct bt_ctf_field_decl *const * field_list; | |
973 | int tid_check = 0; | |
974 | int pid_check = 0; | |
975 | int procname_check = 0; | |
976 | int ppid_check = 0; | |
977 | int ret = 0; | |
978 | ||
b1acd2b3 JD |
979 | ret = bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); |
980 | if (ret < 0) { | |
981 | goto end; | |
982 | } | |
983 | ||
a54d0d2c JD |
984 | for (i = 0; i < evt_cnt; i++) { |
985 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
986 | &field_list, &field_cnt); | |
987 | ret = check_field_requirements(field_list, field_cnt, | |
988 | &tid_check, &pid_check, &procname_check, | |
989 | &ppid_check); | |
a54d0d2c JD |
990 | |
991 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
992 | &field_list, &field_cnt); | |
993 | ret = check_field_requirements(field_list, field_cnt, | |
994 | &tid_check, &pid_check, &procname_check, | |
995 | &ppid_check); | |
a54d0d2c JD |
996 | |
997 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
998 | &field_list, &field_cnt); | |
999 | ret = check_field_requirements(field_list, field_cnt, | |
1000 | &tid_check, &pid_check, &procname_check, | |
1001 | &ppid_check); | |
a54d0d2c JD |
1002 | } |
1003 | ||
1004 | if (tid_check == 0) { | |
1005 | ret = -1; | |
1006 | fprintf(stderr, "[error] missing tid context information\n"); | |
1007 | } | |
1008 | if (pid_check == 0) { | |
1009 | ret = -1; | |
1010 | fprintf(stderr, "[error] missing pid context information\n"); | |
1011 | } | |
1012 | if (ppid_check == 0) { | |
1013 | ret = -1; | |
1014 | fprintf(stderr, "[error] missing ppid context information\n"); | |
1015 | } | |
1016 | if (procname_check == 0) { | |
1017 | ret = -1; | |
1018 | fprintf(stderr, "[error] missing procname context information\n"); | |
1019 | } | |
1020 | ||
16b22a0f JD |
1021 | end: |
1022 | return ret; | |
1023 | } | |
1024 | ||
1fc22eb4 JD |
1025 | int main(int argc, char **argv) |
1026 | { | |
1027 | int ret; | |
1028 | struct bt_context *bt_ctx = NULL; | |
1029 | ||
957eed46 | 1030 | init_lttngtop(); |
1fc22eb4 JD |
1031 | ret = parse_options(argc, argv); |
1032 | if (ret < 0) { | |
1033 | fprintf(stdout, "Error parsing options.\n\n"); | |
1034 | usage(stdout); | |
1035 | exit(EXIT_FAILURE); | |
1036 | } else if (ret > 0) { | |
1037 | exit(EXIT_SUCCESS); | |
1038 | } | |
1039 | ||
863dc485 JD |
1040 | if (!opt_input_path && !remote_live) { |
1041 | /* mmap live */ | |
1042 | #ifdef LTTNGTOP_MMAP_LIVE | |
24797198 JD |
1043 | if (opt_textdump) { |
1044 | signal(SIGTERM, handle_textdump_sigterm); | |
1045 | signal(SIGINT, handle_textdump_sigterm); | |
1046 | } | |
b1acd2b3 | 1047 | mmap_live_loop(bt_ctx); |
ae9e85c7 | 1048 | pthread_join(timer_thread, NULL); |
eb677852 JD |
1049 | quit = 1; |
1050 | pthread_join(display_thread, NULL); | |
6777529d | 1051 | |
c78f2cdc | 1052 | lttng_stop_tracing("test"); |
c78f2cdc JD |
1053 | lttng_destroy_session("test"); |
1054 | ||
1fc22eb4 | 1055 | goto end; |
863dc485 | 1056 | #else |
d2f1452b JD |
1057 | fprintf(stderr, "[ERROR] Mmap live support not compiled, specify a " |
1058 | "trace directory or -r <relayd hostname/IP>\n"); | |
1059 | usage(stdout); | |
1060 | ret = -1; | |
863dc485 JD |
1061 | goto end; |
1062 | #endif /* LTTNGTOP_MMAP_LIVE */ | |
1063 | } else if (!opt_input_path && remote_live) { | |
1064 | /* network live */ | |
12a91e9d | 1065 | #if 0 |
3160c7a9 | 1066 | ret = setup_network_live(opt_relay_hostname, opt_begin); |
863dc485 JD |
1067 | if (ret < 0) { |
1068 | goto end; | |
1069 | } | |
1070 | ||
1071 | ret = open_trace(&bt_ctx); | |
1072 | if (ret < 0) { | |
1073 | goto end; | |
1074 | } | |
12a91e9d JD |
1075 | #endif |
1076 | ||
1077 | bt_ctx = bt_context_create(); | |
1078 | ret = bt_context_add_traces_recursive(bt_ctx, opt_relay_hostname, | |
1079 | "lttng-live", NULL); | |
1080 | if (ret < 0) { | |
1081 | fprintf(stderr, "[error] Opening the trace\n"); | |
1082 | goto end; | |
1083 | } | |
16b22a0f | 1084 | } else { |
957eed46 | 1085 | //init_lttngtop(); |
16b22a0f JD |
1086 | |
1087 | bt_ctx = bt_context_create(); | |
1088 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1089 | if (ret < 0) { | |
1090 | fprintf(stderr, "[error] Opening the trace\n"); | |
1091 | goto end; | |
1092 | } | |
1fc22eb4 | 1093 | |
12a91e9d JD |
1094 | ret = check_requirements(bt_ctx); |
1095 | if (ret < 0) { | |
1096 | fprintf(stderr, "[error] some mandatory contexts " | |
1097 | "were missing, exiting.\n"); | |
1098 | goto end; | |
1099 | } | |
1100 | ||
1101 | if (!opt_textdump) { | |
1102 | pthread_create(&display_thread, NULL, ncurses_display, | |
1103 | (void *) NULL); | |
1104 | pthread_create(&timer_thread, NULL, refresh_thread, | |
1105 | (void *) NULL); | |
1106 | } | |
1107 | ||
1108 | iter_trace(bt_ctx); | |
863dc485 | 1109 | } |
1fc22eb4 | 1110 | |
1fc22eb4 | 1111 | |
863dc485 JD |
1112 | pthread_join(display_thread, NULL); |
1113 | quit = 1; | |
1114 | pthread_join(timer_thread, NULL); | |
1fc22eb4 | 1115 | |
d2f1452b JD |
1116 | ret = 0; |
1117 | ||
1fc22eb4 | 1118 | end: |
16b22a0f JD |
1119 | if (bt_ctx) |
1120 | bt_context_put(bt_ctx); | |
1121 | ||
d2f1452b | 1122 | return ret; |
1fc22eb4 | 1123 | } |