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 | 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 | ||
62 | const char *opt_input_path; | |
12a91e9d JD |
63 | int opt_textdump; |
64 | int opt_child; | |
65 | int opt_begin; | |
1fc22eb4 | 66 | |
ae9e85c7 JD |
67 | int quit = 0; |
68 | ||
1fc22eb4 JD |
69 | struct lttngtop *copy; |
70 | pthread_t display_thread; | |
71 | pthread_t timer_thread; | |
72 | ||
73 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
74 | unsigned long last_display_update = 0; | |
863dc485 | 75 | unsigned long last_event_ts = 0; |
1fc22eb4 | 76 | |
16b22a0f | 77 | /* list of FDs available for being read with snapshots */ |
b1acd2b3 | 78 | struct bt_mmap_stream_list mmap_list; |
16b22a0f JD |
79 | GPtrArray *lttng_consumer_stream_array; |
80 | int sessiond_metadata, consumerd_metadata; | |
4e6aeb3d JD |
81 | struct lttng_consumer_local_data *ctx = NULL; |
82 | /* list of snapshots currently not consumed */ | |
83 | GPtrArray *available_snapshots; | |
84 | sem_t metadata_available; | |
050f9cf9 | 85 | int reload_trace = 0; |
16b22a0f | 86 | |
010f485a JD |
87 | uint64_t prev_ts = 0; |
88 | ||
1fc22eb4 JD |
89 | enum { |
90 | OPT_NONE = 0, | |
91 | OPT_HELP, | |
6777529d | 92 | OPT_TEXTDUMP, |
32b70e07 JD |
93 | OPT_PID, |
94 | OPT_CHILD, | |
c8d75a13 | 95 | OPT_HOSTNAME, |
b1acd2b3 | 96 | OPT_RELAY_HOSTNAME, |
f16e36fc | 97 | OPT_KPROBES, |
3160c7a9 | 98 | OPT_BEGIN, |
1fc22eb4 JD |
99 | }; |
100 | ||
101 | static struct poptOption long_options[] = { | |
102 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
103 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
6777529d | 104 | { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL }, |
32b70e07 | 105 | { "child", 'f', POPT_ARG_NONE, NULL, OPT_CHILD, NULL, NULL }, |
3160c7a9 | 106 | { "begin", 'b', POPT_ARG_NONE, NULL, OPT_BEGIN, NULL, NULL }, |
57bff788 | 107 | { "pid", 'p', POPT_ARG_STRING, &opt_tid, OPT_PID, NULL, NULL }, |
c8d75a13 | 108 | { "hostname", 'n', POPT_ARG_STRING, &opt_hostname, OPT_HOSTNAME, NULL, NULL }, |
b1acd2b3 JD |
109 | { "relay-hostname", 'r', POPT_ARG_STRING, &opt_relay_hostname, |
110 | OPT_RELAY_HOSTNAME, NULL, NULL }, | |
f16e36fc | 111 | { "kprobes", 'k', POPT_ARG_STRING, &opt_kprobes, OPT_KPROBES, NULL, NULL }, |
1fc22eb4 JD |
112 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
113 | }; | |
114 | ||
863dc485 | 115 | #ifdef LTTNGTOP_MMAP_LIVE |
24797198 JD |
116 | static void handle_textdump_sigterm(int signal) |
117 | { | |
118 | quit = 1; | |
119 | lttng_destroy_session("test"); | |
120 | } | |
863dc485 | 121 | #endif |
24797198 | 122 | |
1fc22eb4 JD |
123 | void *refresh_thread(void *p) |
124 | { | |
125 | while (1) { | |
ae9e85c7 JD |
126 | if (quit) { |
127 | sem_post(&pause_sem); | |
128 | sem_post(&timer); | |
1402044a | 129 | sem_post(&end_trace_sem); |
ae9e85c7 | 130 | sem_post(&goodtodisplay); |
1402044a | 131 | sem_post(&goodtoupdate); |
ae9e85c7 JD |
132 | pthread_exit(0); |
133 | } | |
1402044a | 134 | if (!opt_input_path) { |
b1acd2b3 JD |
135 | #ifdef LTTNGTOP_MMAP_LIVE |
136 | mmap_live_flush(mmap_list); | |
137 | #endif | |
1402044a | 138 | } |
1fc22eb4 JD |
139 | sem_wait(&pause_sem); |
140 | sem_post(&pause_sem); | |
141 | sem_post(&timer); | |
142 | sleep(refresh_display/NSEC_PER_SEC); | |
143 | } | |
144 | } | |
145 | ||
146 | void *ncurses_display(void *p) | |
147 | { | |
148 | unsigned int current_display_index = 0; | |
149 | ||
150 | sem_wait(&bootstrap); | |
b332d28f JD |
151 | /* |
152 | * Prevent the 1 second delay when we hit ESC | |
153 | */ | |
154 | ESCDELAY = 0; | |
1fc22eb4 JD |
155 | init_ncurses(); |
156 | ||
157 | while (1) { | |
158 | sem_wait(&timer); | |
159 | sem_wait(&goodtodisplay); | |
160 | sem_wait(&pause_sem); | |
161 | ||
ae9e85c7 | 162 | if (quit) { |
33572a17 JD |
163 | sem_post(&pause_sem); |
164 | sem_post(&timer); | |
ae9e85c7 JD |
165 | reset_ncurses(); |
166 | pthread_exit(0); | |
167 | } | |
168 | ||
1fc22eb4 | 169 | copy = g_ptr_array_index(copies, current_display_index); |
85db4618 JD |
170 | assert(copy); |
171 | display(current_display_index++); | |
1fc22eb4 JD |
172 | |
173 | sem_post(&goodtoupdate); | |
174 | sem_post(&pause_sem); | |
1fc22eb4 JD |
175 | } |
176 | } | |
177 | ||
575cc4fd JD |
178 | void print_fields(struct bt_ctf_event *event) |
179 | { | |
180 | unsigned int cnt, i; | |
b1acd2b3 JD |
181 | const struct bt_definition *const * list; |
182 | const struct bt_declaration *l; | |
183 | const struct bt_definition *scope; | |
575cc4fd JD |
184 | enum ctf_type_id type; |
185 | const char *str; | |
186 | ||
187 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS); | |
188 | ||
189 | bt_ctf_get_field_list(event, scope, &list, &cnt); | |
190 | for (i = 0; i < cnt; i++) { | |
191 | if (i != 0) | |
192 | printf(", "); | |
193 | printf("%s = ", bt_ctf_field_name(list[i])); | |
9498e78c JD |
194 | l = bt_ctf_get_decl_from_def(list[i]); |
195 | type = bt_ctf_field_type(l); | |
575cc4fd | 196 | if (type == CTF_TYPE_INTEGER) { |
9498e78c | 197 | if (bt_ctf_get_int_signedness(l) == 0) |
575cc4fd JD |
198 | printf("%" PRIu64 "", bt_ctf_get_uint64(list[i])); |
199 | else | |
200 | printf("%" PRId64 "", bt_ctf_get_int64(list[i])); | |
201 | } else if (type == CTF_TYPE_STRING) { | |
202 | printf("%s", bt_ctf_get_string(list[i])); | |
203 | } else if (type == CTF_TYPE_ARRAY) { | |
204 | str = bt_ctf_get_char_array(list[i]); | |
fbbda4da | 205 | if (!bt_ctf_field_get_error() && str) |
575cc4fd JD |
206 | printf("%s", str); |
207 | } | |
208 | } | |
209 | } | |
210 | ||
6112d0d4 JD |
211 | /* |
212 | * hook on each event to check the timestamp and refresh the display if | |
213 | * necessary | |
214 | */ | |
215 | enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data) | |
216 | { | |
217 | unsigned long timestamp; | |
010f485a | 218 | uint64_t delta; |
6112d0d4 | 219 | struct tm start; |
b520ab45 | 220 | uint64_t ts_nsec_start; |
a15e6a10 | 221 | int pid, cpu_id, tid, ret, lookup; |
b1acd2b3 | 222 | const struct bt_definition *scope; |
575cc4fd | 223 | const char *hostname, *procname; |
1d74c4d1 JD |
224 | struct cputime *cpu; |
225 | char *from_syscall = NULL; | |
6112d0d4 | 226 | |
6112d0d4 JD |
227 | timestamp = bt_ctf_get_timestamp(call_data); |
228 | ||
863dc485 JD |
229 | /* can happen in network live when tracing is idle */ |
230 | if (timestamp < last_event_ts) | |
231 | goto end_stop; | |
232 | ||
233 | last_event_ts = timestamp; | |
234 | ||
b520ab45 | 235 | start = format_timestamp(timestamp); |
6112d0d4 JD |
236 | ts_nsec_start = timestamp % NSEC_PER_SEC; |
237 | ||
32b70e07 | 238 | pid = get_context_pid(call_data); |
57bff788 | 239 | if (pid == -1ULL && opt_tid) { |
32b70e07 JD |
240 | goto error; |
241 | } | |
b0135e60 JD |
242 | |
243 | tid = get_context_tid(call_data); | |
32b70e07 | 244 | |
c8d75a13 | 245 | hostname = get_context_hostname(call_data); |
a15e6a10 JD |
246 | if (opt_child) |
247 | lookup = pid; | |
248 | else | |
249 | lookup = tid; | |
54761a45 | 250 | if (opt_tid || opt_hostname || opt_exec_name) { |
a15e6a10 | 251 | if (!lookup_filter_tid_list(lookup)) { |
b301de1a JD |
252 | /* To display when a process of ours in getting scheduled in */ |
253 | if (strcmp(bt_ctf_event_name(call_data), "sched_switch") == 0) { | |
254 | int next_tid; | |
255 | ||
256 | scope = bt_ctf_get_top_level_scope(call_data, | |
257 | BT_EVENT_FIELDS); | |
258 | next_tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
259 | scope, "_next_tid")); | |
260 | if (bt_ctf_field_get_error()) { | |
261 | fprintf(stderr, "Missing next_tid field\n"); | |
262 | goto error; | |
263 | } | |
264 | if (!lookup_filter_tid_list(next_tid)) { | |
265 | goto end; | |
266 | } | |
267 | } else { | |
268 | goto end; | |
269 | } | |
270 | } | |
271 | } | |
da4353bb | 272 | |
575cc4fd JD |
273 | cpu_id = get_cpu_id(call_data); |
274 | procname = get_context_comm(call_data); | |
1d74c4d1 JD |
275 | if (strncmp(bt_ctf_event_name(call_data), "sys_", 4) == 0) { |
276 | cpu = get_cpu(cpu_id); | |
277 | cpu->current_syscall = g_new0(struct syscall, 1); | |
278 | cpu->current_syscall->name = strdup(bt_ctf_event_name(call_data)); | |
279 | cpu->current_syscall->ts_start = timestamp; | |
280 | } else if ((strncmp(bt_ctf_event_name(call_data), "exit_syscall", 12)) == 0) { | |
281 | struct tm start_ts; | |
282 | ||
283 | cpu = get_cpu(cpu_id); | |
284 | if (cpu->current_syscall) { | |
285 | delta = timestamp - cpu->current_syscall->ts_start; | |
286 | start_ts = format_timestamp(cpu->current_syscall->ts_start); | |
54761a45 | 287 | ret = asprintf(&from_syscall, " [from %02d:%02d:%02d.%09" PRIu64 |
1d74c4d1 JD |
288 | " (+%" PRIu64 ".%09" PRIu64 ") (cpu %d) %s]\n", |
289 | start_ts.tm_hour, start_ts.tm_min, start_ts.tm_sec, | |
290 | cpu->current_syscall->ts_start % NSEC_PER_SEC, | |
291 | delta / NSEC_PER_SEC, delta % NSEC_PER_SEC, | |
292 | cpu_id, cpu->current_syscall->name); | |
54761a45 JD |
293 | if (ret < 0) { |
294 | goto error; | |
295 | } | |
1d74c4d1 JD |
296 | free(cpu->current_syscall->name); |
297 | g_free(cpu->current_syscall); | |
298 | cpu->current_syscall = NULL; | |
299 | } | |
300 | } | |
301 | ||
010f485a JD |
302 | if (prev_ts == 0) |
303 | prev_ts = timestamp; | |
304 | delta = timestamp - prev_ts; | |
305 | prev_ts = timestamp; | |
575cc4fd | 306 | |
4251cc67 JD |
307 | printf("%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") %s%s" |
308 | "(cpu %d) [%s (%d/%d)] %s (", | |
309 | start.tm_hour, start.tm_min, start.tm_sec, | |
310 | ts_nsec_start, delta / NSEC_PER_SEC, | |
311 | delta % NSEC_PER_SEC, (hostname) ? hostname : "", | |
312 | (hostname) ? " ": "", cpu_id, procname, pid, tid, | |
313 | bt_ctf_event_name(call_data)); | |
7c15d14a | 314 | print_fields(call_data); |
1d74c4d1 JD |
315 | printf(")%s", (from_syscall) ? from_syscall : "\n"); |
316 | ||
317 | free(from_syscall); | |
6112d0d4 | 318 | |
32b70e07 | 319 | end: |
6112d0d4 | 320 | return BT_CB_OK; |
32b70e07 JD |
321 | error: |
322 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
323 | end_stop: |
324 | return BT_CB_OK_STOP; | |
6112d0d4 JD |
325 | } |
326 | ||
246d5992 JD |
327 | enum bt_cb_ret handle_kprobes(struct bt_ctf_event *call_data, void *private_data) |
328 | { | |
329 | int i; | |
330 | struct kprobes *kprobe; | |
331 | ||
332 | /* for kprobes */ | |
333 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
334 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
335 | if (strcmp(bt_ctf_event_name(call_data), kprobe->probe_name) == 0) { | |
336 | kprobe->count++; | |
337 | } | |
338 | } | |
339 | ||
340 | return BT_CB_OK; | |
341 | } | |
342 | ||
1fc22eb4 JD |
343 | /* |
344 | * hook on each event to check the timestamp and refresh the display if | |
345 | * necessary | |
346 | */ | |
4adc8274 | 347 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
348 | { |
349 | unsigned long timestamp; | |
350 | ||
c78f2cdc | 351 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
352 | if (timestamp == -1ULL) |
353 | goto error; | |
354 | ||
863dc485 JD |
355 | /* can happen in network live when tracing is idle */ |
356 | if (timestamp < last_event_ts) | |
357 | goto end_stop; | |
358 | ||
359 | last_event_ts = timestamp; | |
360 | ||
1fc22eb4 JD |
361 | if (last_display_update == 0) |
362 | last_display_update = timestamp; | |
363 | ||
364 | if (timestamp - last_display_update >= refresh_display) { | |
365 | sem_wait(&goodtoupdate); | |
366 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
367 | timestamp)); | |
368 | sem_post(&goodtodisplay); | |
369 | sem_post(&bootstrap); | |
370 | last_display_update = timestamp; | |
371 | } | |
372 | return BT_CB_OK; | |
373 | ||
374 | error: | |
375 | fprintf(stderr, "check_timestamp callback error\n"); | |
376 | return BT_CB_ERROR_STOP; | |
863dc485 JD |
377 | |
378 | end_stop: | |
379 | return BT_CB_OK_STOP; | |
1fc22eb4 JD |
380 | } |
381 | ||
382 | /* | |
383 | * get_perf_counter : get or create and return a perf_counter struct for | |
384 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
385 | */ | |
386 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
387 | struct cputime *cpu) | |
388 | { | |
bb6d72a2 | 389 | struct perfcounter *ret; |
1fc22eb4 JD |
390 | GHashTable *table; |
391 | ||
392 | if (proc) | |
393 | table = proc->perf; | |
394 | else if (cpu) | |
395 | table = cpu->perf; | |
396 | else | |
397 | goto error; | |
398 | ||
399 | ret = g_hash_table_lookup(table, (gpointer) name); | |
400 | if (ret) | |
401 | goto end; | |
402 | ||
559c9f86 | 403 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
404 | /* by default, make it visible in the UI */ |
405 | ret->visible = 1; | |
85db4618 | 406 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 407 | |
1fc22eb4 JD |
408 | end: |
409 | return ret; | |
410 | ||
411 | error: | |
412 | return NULL; | |
413 | } | |
414 | ||
415 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
416 | const char *name, int value) | |
417 | { | |
418 | struct perfcounter *cpu_perf, *process_perf; | |
419 | ||
420 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
421 | if (cpu_perf->count < value) { | |
422 | process_perf = get_perf_counter(name, proc, NULL); | |
423 | process_perf->count += value - cpu_perf->count; | |
424 | cpu_perf->count = value; | |
425 | } | |
426 | } | |
427 | ||
4adc8274 | 428 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
2e0a1190 | 429 | const struct bt_definition *scope, |
1fc22eb4 JD |
430 | struct processtop *proc, |
431 | struct cputime *cpu) | |
432 | { | |
2e0a1190 JD |
433 | struct bt_definition const * const *list = NULL; |
434 | const struct bt_definition *field; | |
1fc22eb4 | 435 | unsigned int count; |
bb6d72a2 JD |
436 | struct perfcounter *perfcounter; |
437 | GHashTableIter iter; | |
438 | gpointer key; | |
439 | int ret; | |
1fc22eb4 JD |
440 | |
441 | if (!scope) | |
442 | goto end; | |
443 | ||
444 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
445 | if (ret < 0) | |
446 | goto end; | |
447 | ||
bb6d72a2 JD |
448 | if (count == 0) |
449 | goto end; | |
450 | ||
451 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
452 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
453 | field = bt_ctf_get_field(event, scope, (char *) key); | |
454 | if (field) { | |
455 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
456 | if (bt_ctf_field_get_error()) |
457 | continue; | |
bb6d72a2 | 458 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
459 | } |
460 | } | |
461 | ||
462 | end: | |
463 | return; | |
464 | } | |
465 | ||
4adc8274 | 466 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 467 | { |
1fc22eb4 | 468 | struct cputime *cpu; |
2e0a1190 | 469 | const struct bt_definition *scope; |
1fc22eb4 | 470 | |
d67167cd | 471 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
472 | |
473 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
474 | extract_perf_counter_scope(event, scope, proc, cpu); | |
475 | ||
476 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
477 | extract_perf_counter_scope(event, scope, proc, cpu); | |
478 | ||
479 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
480 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
481 | } |
482 | ||
4adc8274 | 483 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
484 | void *private_data) |
485 | { | |
1402044a | 486 | int pid, tid, ppid, vpid, vtid, vppid; |
c8d75a13 | 487 | char *comm, *hostname; |
1fc22eb4 | 488 | struct processtop *parent, *child; |
1fc22eb4 JD |
489 | unsigned long timestamp; |
490 | ||
c78f2cdc | 491 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
492 | if (timestamp == -1ULL) |
493 | goto error; | |
494 | ||
1dec520a JD |
495 | pid = get_context_pid(call_data); |
496 | if (pid == -1ULL) { | |
1fc22eb4 JD |
497 | goto error; |
498 | } | |
96aa77de | 499 | |
1dec520a JD |
500 | tid = get_context_tid(call_data); |
501 | if (tid == -1ULL) { | |
1fc22eb4 JD |
502 | goto error; |
503 | } | |
1dec520a JD |
504 | ppid = get_context_ppid(call_data); |
505 | if (ppid == -1ULL) { | |
1fc22eb4 JD |
506 | goto error; |
507 | } | |
1402044a JD |
508 | vpid = get_context_vpid(call_data); |
509 | if (pid == -1ULL) { | |
510 | vpid = -1; | |
511 | } | |
512 | vtid = get_context_vtid(call_data); | |
513 | if (tid == -1ULL) { | |
514 | vtid = -1; | |
515 | } | |
516 | vppid = get_context_vppid(call_data); | |
517 | if (ppid == -1ULL) { | |
518 | vppid = -1; | |
519 | } | |
1dec520a JD |
520 | comm = get_context_comm(call_data); |
521 | if (!comm) { | |
1fc22eb4 JD |
522 | goto error; |
523 | } | |
c8d75a13 JD |
524 | /* optional */ |
525 | hostname = get_context_hostname(call_data); | |
1fc22eb4 JD |
526 | |
527 | /* find or create the current process */ | |
528 | child = find_process_tid(<tngtop, tid, comm); | |
529 | if (!child) | |
906c08f6 | 530 | child = add_proc(<tngtop, tid, comm, timestamp, hostname); |
96aa77de JD |
531 | if (!child) |
532 | goto end; | |
c8d75a13 | 533 | update_proc(child, pid, tid, ppid, vpid, vtid, vppid, comm, hostname); |
1fc22eb4 JD |
534 | |
535 | if (pid != tid) { | |
536 | /* find or create the parent */ | |
537 | parent = find_process_tid(<tngtop, pid, comm); | |
538 | if (!parent) { | |
906c08f6 | 539 | parent = add_proc(<tngtop, pid, comm, timestamp, hostname); |
96aa77de JD |
540 | if (parent) |
541 | parent->pid = pid; | |
1fc22eb4 JD |
542 | } |
543 | ||
544 | /* attach the parent to the current process */ | |
545 | child->threadparent = parent; | |
546 | add_thread(parent, child); | |
547 | } | |
548 | ||
549 | update_perf_counter(child, call_data); | |
550 | ||
96aa77de | 551 | end: |
1fc22eb4 JD |
552 | return BT_CB_OK; |
553 | ||
554 | error: | |
555 | return BT_CB_ERROR_STOP; | |
556 | } | |
557 | ||
558 | void init_lttngtop() | |
559 | { | |
560 | copies = g_ptr_array_new(); | |
0d91c12a | 561 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
da4353bb | 562 | global_filter_list = g_hash_table_new(g_str_hash, g_str_equal); |
114cae59 | 563 | global_host_list = g_hash_table_new(g_str_hash, g_str_equal); |
54761a45 JD |
564 | tid_filter_list = g_hash_table_new(g_str_hash, |
565 | g_str_equal); | |
1fc22eb4 JD |
566 | |
567 | sem_init(&goodtodisplay, 0, 0); | |
568 | sem_init(&goodtoupdate, 0, 1); | |
569 | sem_init(&timer, 0, 1); | |
570 | sem_init(&bootstrap, 0, 0); | |
571 | sem_init(&pause_sem, 0, 1); | |
572 | sem_init(&end_trace_sem, 0, 0); | |
573 | ||
e05a35a6 JD |
574 | reset_global_counters(); |
575 | lttngtop.nbproc = 0; | |
576 | lttngtop.nbthreads = 0; | |
577 | lttngtop.nbfiles = 0; | |
578 | ||
30b646c4 JD |
579 | lttngtop.process_hash_table = g_hash_table_new(g_direct_hash, |
580 | g_direct_equal); | |
1fc22eb4 JD |
581 | lttngtop.process_table = g_ptr_array_new(); |
582 | lttngtop.files_table = g_ptr_array_new(); | |
583 | lttngtop.cpu_table = g_ptr_array_new(); | |
da4353bb JD |
584 | |
585 | toggle_filter = -1; | |
1fc22eb4 JD |
586 | } |
587 | ||
c263c4eb | 588 | void usage(FILE *fp) |
1fc22eb4 | 589 | { |
c263c4eb | 590 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
d2f1452b JD |
591 | fprintf(fp, "Usage : lttngtop [OPTIONS] TRACE\n"); |
592 | fprintf(fp, " TRACE Path to the trace to analyse (-r for network live tracing, nothing for mmap live streaming)\n"); | |
c8d75a13 JD |
593 | fprintf(fp, " -h, --help This help message\n"); |
594 | fprintf(fp, " -t, --textdump Display live events in text-only\n"); | |
595 | fprintf(fp, " -p, --pid Comma-separated list of PIDs to display\n"); | |
596 | fprintf(fp, " -f, --child Follow threads associated with selected PIDs\n"); | |
597 | fprintf(fp, " -n, --hostname Comma-separated list of hostnames to display (require hostname context in trace)\n"); | |
241ba90a | 598 | fprintf(fp, " -k, --kprobes Comma-separated list of kprobes to insert (same format as lttng enable-event)\n"); |
bab469fc JD |
599 | fprintf(fp, " -r, --relay-hostname Network live streaming : hostname of the lttng-relayd (default port)\n"); |
600 | fprintf(fp, " -b, --begin Network live streaming : read the trace for the beginning of the recording\n"); | |
1fc22eb4 JD |
601 | } |
602 | ||
f16e36fc JD |
603 | /* |
604 | * Parse probe options. | |
605 | * Shamelessly stolen from lttng-tools : | |
606 | * src/bin/lttng/commands/enable_events.c | |
607 | */ | |
608 | static struct kprobes *parse_probe_opts(char *opt) | |
609 | { | |
610 | char s_hex[19]; | |
611 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
612 | struct kprobes *kprobe; | |
613 | int ret; | |
614 | ||
615 | /* | |
616 | kprobe->probe_addr = 0; | |
617 | kprobe->probe_offset = 0; | |
618 | asprintf(&kprobe->probe_name, "probe_sys_open"); | |
619 | asprintf(&kprobe->symbol_name, "sys_open"); | |
620 | */ | |
621 | ||
622 | if (opt == NULL) { | |
623 | kprobe = NULL; | |
624 | goto end; | |
625 | } | |
626 | ||
627 | kprobe = g_new0(struct kprobes, 1); | |
628 | ||
629 | /* Check for symbol+offset */ | |
630 | ret = sscanf(opt, "%[^'+']+%s", name, s_hex); | |
631 | if (ret == 2) { | |
b1acd2b3 JD |
632 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
633 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
634 | |
635 | if (strlen(s_hex) == 0) { | |
636 | fprintf(stderr, "Invalid probe offset %s", s_hex); | |
637 | ret = -1; | |
638 | goto end; | |
639 | } | |
640 | kprobe->probe_offset = strtoul(s_hex, NULL, 0); | |
641 | kprobe->probe_addr = 0; | |
642 | goto end; | |
643 | } | |
644 | ||
645 | /* Check for symbol */ | |
646 | if (isalpha(name[0])) { | |
647 | ret = sscanf(opt, "%s", name); | |
648 | if (ret == 1) { | |
b1acd2b3 JD |
649 | ret = asprintf(&kprobe->probe_name, "probe_%s", name); |
650 | ret = asprintf(&kprobe->symbol_name, "%s", name); | |
f16e36fc JD |
651 | kprobe->probe_offset = 0; |
652 | kprobe->probe_addr = 0; | |
653 | goto end; | |
654 | } | |
655 | } | |
656 | ||
657 | /* Check for address */ | |
658 | ret = sscanf(opt, "%s", s_hex); | |
659 | if (ret > 0) { | |
660 | if (strlen(s_hex) == 0) { | |
661 | fprintf(stderr, "Invalid probe address %s", s_hex); | |
662 | ret = -1; | |
663 | goto end; | |
664 | } | |
b1acd2b3 | 665 | ret = asprintf(&kprobe->probe_name, "probe_%s", s_hex); |
f16e36fc JD |
666 | kprobe->probe_offset = 0; |
667 | kprobe->probe_addr = strtoul(s_hex, NULL, 0); | |
668 | goto end; | |
669 | } | |
670 | ||
671 | /* No match */ | |
672 | kprobe = NULL; | |
673 | ||
674 | end: | |
675 | return kprobe; | |
676 | } | |
677 | ||
1fc22eb4 JD |
678 | /* |
679 | * Return 0 if caller should continue, < 0 if caller should return | |
680 | * error, > 0 if caller should exit without reporting error. | |
681 | */ | |
682 | static int parse_options(int argc, char **argv) | |
683 | { | |
684 | poptContext pc; | |
685 | int opt, ret = 0; | |
57bff788 JD |
686 | char *tmp_str; |
687 | int *tid; | |
54761a45 | 688 | int i; |
1fc22eb4 | 689 | |
b1acd2b3 JD |
690 | remote_live = 0; |
691 | ||
1fc22eb4 JD |
692 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
693 | poptReadDefaultConfig(pc, 0); | |
694 | ||
695 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
696 | switch (opt) { | |
697 | case OPT_HELP: | |
698 | usage(stdout); | |
699 | ret = 1; /* exit cleanly */ | |
700 | goto end; | |
6777529d JD |
701 | case OPT_TEXTDUMP: |
702 | opt_textdump = 1; | |
32b70e07 JD |
703 | break; |
704 | case OPT_CHILD: | |
32b70e07 JD |
705 | opt_child = 1; |
706 | break; | |
707 | case OPT_PID: | |
da4353bb | 708 | toggle_filter = 1; |
57bff788 JD |
709 | tmp_str = strtok(opt_tid, ","); |
710 | while (tmp_str) { | |
711 | tid = malloc(sizeof(int)); | |
712 | *tid = atoi(tmp_str); | |
ea5d1dc9 | 713 | g_hash_table_insert(tid_filter_list, |
c8d75a13 JD |
714 | (gpointer) tid, tid); |
715 | tmp_str = strtok(NULL, ","); | |
716 | } | |
717 | break; | |
3160c7a9 JD |
718 | case OPT_BEGIN: |
719 | /* start reading the live trace from the beginning */ | |
720 | opt_begin = 1; | |
721 | break; | |
c8d75a13 | 722 | case OPT_HOSTNAME: |
da4353bb | 723 | toggle_filter = 1; |
c8d75a13 JD |
724 | tmp_str = strtok(opt_hostname, ","); |
725 | while (tmp_str) { | |
467097ac | 726 | add_hostname_list(tmp_str, 1); |
57bff788 JD |
727 | tmp_str = strtok(NULL, ","); |
728 | } | |
32b70e07 | 729 | break; |
b1acd2b3 JD |
730 | case OPT_RELAY_HOSTNAME: |
731 | remote_live = 1; | |
732 | break; | |
f16e36fc JD |
733 | case OPT_KPROBES: |
734 | lttngtop.kprobes_table = g_ptr_array_new(); | |
735 | tmp_str = strtok(opt_kprobes, ","); | |
736 | while (tmp_str) { | |
737 | struct kprobes *kprobe; | |
738 | ||
739 | kprobe = parse_probe_opts(tmp_str); | |
740 | if (kprobe) { | |
741 | g_ptr_array_add( | |
742 | lttngtop.kprobes_table, | |
743 | kprobe); | |
744 | } else { | |
745 | ret = -EINVAL; | |
746 | goto end; | |
747 | } | |
748 | tmp_str = strtok(NULL, ","); | |
749 | } | |
750 | break; | |
1fc22eb4 JD |
751 | default: |
752 | ret = -EINVAL; | |
753 | goto end; | |
754 | } | |
755 | } | |
756 | ||
54761a45 JD |
757 | opt_exec_name = NULL; |
758 | opt_exec_argv = NULL; | |
759 | for (i = 0; i < argc; i++) { | |
760 | if (argv[i][0] == '-' && argv[i][1] == '-') { | |
761 | opt_exec_name = argv[i + 1]; | |
762 | opt_exec_argv = &argv[i + 1]; | |
763 | break; | |
764 | } | |
765 | } | |
766 | if (!opt_exec_name) { | |
767 | opt_input_path = poptGetArg(pc); | |
768 | } | |
16b22a0f | 769 | |
1fc22eb4 JD |
770 | end: |
771 | if (pc) { | |
772 | poptFreeContext(pc); | |
773 | } | |
774 | return ret; | |
775 | } | |
776 | ||
777 | void iter_trace(struct bt_context *bt_ctx) | |
778 | { | |
779 | struct bt_ctf_iter *iter; | |
780 | struct bt_iter_pos begin_pos; | |
246d5992 | 781 | struct kprobes *kprobe; |
4adc8274 | 782 | const struct bt_ctf_event *event; |
246d5992 | 783 | int i; |
1fc22eb4 JD |
784 | int ret = 0; |
785 | ||
786 | begin_pos.type = BT_SEEK_BEGIN; | |
787 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
788 | ||
da4353bb JD |
789 | /* at each event, verify the status of the process table */ |
790 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
791 | fix_process_table, | |
792 | NULL, NULL, NULL); | |
6e11e0d0 JD |
793 | /* to handle the follow child option */ |
794 | bt_ctf_iter_add_callback(iter, | |
795 | g_quark_from_static_string("sched_process_fork"), | |
796 | NULL, 0, handle_sched_process_fork, NULL, NULL, NULL); | |
54761a45 JD |
797 | /* to clean up the process table */ |
798 | bt_ctf_iter_add_callback(iter, | |
799 | g_quark_from_static_string("sched_process_free"), | |
800 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
6777529d JD |
801 | if (opt_textdump) { |
802 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
803 | print_timestamp, | |
804 | NULL, NULL, NULL); | |
805 | } else { | |
806 | /* at each event check if we need to refresh */ | |
807 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
808 | check_timestamp, | |
809 | NULL, NULL, NULL); | |
6777529d JD |
810 | /* to handle the scheduling events */ |
811 | bt_ctf_iter_add_callback(iter, | |
812 | g_quark_from_static_string("sched_switch"), | |
813 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
6777529d JD |
814 | /* to get all the process from the statedumps */ |
815 | bt_ctf_iter_add_callback(iter, | |
816 | g_quark_from_static_string( | |
817 | "lttng_statedump_process_state"), | |
818 | NULL, 0, handle_statedump_process_state, | |
819 | NULL, NULL, NULL); | |
820 | ||
821 | /* for IO top */ | |
822 | bt_ctf_iter_add_callback(iter, | |
823 | g_quark_from_static_string("exit_syscall"), | |
824 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
825 | bt_ctf_iter_add_callback(iter, | |
826 | g_quark_from_static_string("sys_write"), | |
827 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
828 | bt_ctf_iter_add_callback(iter, | |
829 | g_quark_from_static_string("sys_read"), | |
830 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
831 | bt_ctf_iter_add_callback(iter, | |
832 | g_quark_from_static_string("sys_open"), | |
833 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
834 | bt_ctf_iter_add_callback(iter, | |
835 | g_quark_from_static_string("sys_close"), | |
836 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
837 | bt_ctf_iter_add_callback(iter, | |
838 | g_quark_from_static_string( | |
ceb3a221 | 839 | "lttng_statedump_file_descriptor"), |
6777529d JD |
840 | NULL, 0, handle_statedump_file_descriptor, |
841 | NULL, NULL, NULL); | |
246d5992 JD |
842 | |
843 | /* for kprobes */ | |
da4353bb JD |
844 | if (lttngtop.kprobes_table) { |
845 | for (i = 0; i < lttngtop.kprobes_table->len; i++) { | |
846 | kprobe = g_ptr_array_index(lttngtop.kprobes_table, i); | |
847 | bt_ctf_iter_add_callback(iter, | |
848 | g_quark_from_static_string( | |
849 | kprobe->probe_name), | |
850 | NULL, 0, handle_kprobes, | |
851 | NULL, NULL, NULL); | |
852 | } | |
246d5992 | 853 | } |
6777529d JD |
854 | } |
855 | ||
54761a45 JD |
856 | if (opt_exec_name) { |
857 | pid_t pid; | |
858 | ||
859 | pid = fork(); | |
860 | if (pid == 0) { | |
861 | execvpe(opt_exec_name, opt_exec_argv, opt_exec_env); | |
862 | exit(EXIT_SUCCESS); | |
863 | } else if (pid > 0) { | |
864 | opt_exec_pid = pid; | |
865 | g_hash_table_insert(tid_filter_list, | |
866 | (gpointer) &pid, | |
867 | &pid); | |
868 | } else { | |
869 | perror("fork"); | |
870 | exit(EXIT_FAILURE); | |
871 | } | |
872 | } | |
873 | ||
fbbda4da | 874 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
050f9cf9 | 875 | if (quit || reload_trace) |
ae9e85c7 | 876 | goto end_iter; |
1fc22eb4 JD |
877 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
878 | if (ret < 0) | |
879 | goto end_iter; | |
880 | } | |
881 | ||
882 | /* block until quit, we reached the end of the trace */ | |
883 | sem_wait(&end_trace_sem); | |
884 | ||
885 | end_iter: | |
06570214 | 886 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
887 | } |
888 | ||
889 | /* | |
890 | * bt_context_add_traces_recursive: Open a trace recursively | |
891 | * (copied from BSD code in converter/babeltrace.c) | |
892 | * | |
893 | * Find each trace present in the subdirectory starting from the given | |
894 | * path, and add them to the context. The packet_seek parameter can be | |
895 | * NULL: this specify to use the default format packet_seek. | |
896 | * | |
897 | * Return: 0 on success, nonzero on failure. | |
898 | * Unable to open toplevel: failure. | |
899 | * Unable to open some subdirectory or file: warn and continue; | |
900 | */ | |
901 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
902 | const char *format_str, | |
2e0a1190 | 903 | void (*packet_seek)(struct bt_stream_pos *pos, |
1fc22eb4 JD |
904 | size_t offset, int whence)) |
905 | { | |
906 | FTS *tree; | |
907 | FTSENT *node; | |
908 | GArray *trace_ids; | |
909 | char lpath[PATH_MAX]; | |
910 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 911 | int ret = -1; |
1fc22eb4 | 912 | |
12a91e9d JD |
913 | if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 || |
914 | (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 || | |
915 | (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) { | |
916 | ret = bt_context_add_trace(ctx, | |
917 | path, format_str, packet_seek, NULL, NULL); | |
918 | if (ret < 0) { | |
919 | fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" " | |
920 | "for reading.\n", path); | |
921 | /* Allow to skip erroneous traces. */ | |
922 | ret = 1; /* partial error */ | |
923 | } | |
924 | return ret; | |
925 | } | |
1fc22eb4 JD |
926 | /* |
927 | * Need to copy path, because fts_open can change it. | |
928 | * It is the pointer array, not the strings, that are constant. | |
929 | */ | |
930 | strncpy(lpath, path, PATH_MAX); | |
931 | lpath[PATH_MAX - 1] = '\0'; | |
932 | ||
933 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
934 | if (tree == NULL) { | |
935 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
936 | path); | |
937 | return -EINVAL; | |
938 | } | |
939 | ||
940 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
941 | ||
942 | while ((node = fts_read(tree))) { | |
943 | int dirfd, metafd; | |
944 | ||
945 | if (!(node->fts_info & FTS_D)) | |
946 | continue; | |
947 | ||
948 | dirfd = open(node->fts_accpath, 0); | |
949 | if (dirfd < 0) { | |
950 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
951 | "directory file descriptor.\n"); | |
952 | ret = dirfd; | |
953 | goto error; | |
954 | } | |
955 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
956 | if (metafd < 0) { | |
7314c855 | 957 | close(dirfd); |
7314c855 | 958 | continue; |
1fc22eb4 JD |
959 | } else { |
960 | int trace_id; | |
961 | ||
962 | ret = close(metafd); | |
963 | if (ret < 0) { | |
964 | perror("close"); | |
965 | goto error; | |
966 | } | |
967 | ret = close(dirfd); | |
968 | if (ret < 0) { | |
969 | perror("close"); | |
970 | goto error; | |
971 | } | |
972 | ||
973 | trace_id = bt_context_add_trace(ctx, | |
974 | node->fts_accpath, format_str, | |
975 | packet_seek, NULL, NULL); | |
976 | if (trace_id < 0) { | |
0d567cf1 | 977 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 978 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
979 | /* Allow to skip erroneous traces. */ |
980 | continue; | |
1fc22eb4 JD |
981 | } |
982 | g_array_append_val(trace_ids, trace_id); | |
983 | } | |
984 | } | |
985 | ||
986 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 987 | return ret; |
1fc22eb4 JD |
988 | |
989 | error: | |
990 | return ret; | |
991 | } | |
992 | ||
4553b4d1 | 993 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
994 | int field_cnt, int *tid_check, int *pid_check, |
995 | int *procname_check, int *ppid_check) | |
996 | { | |
997 | int j; | |
bb6d72a2 JD |
998 | struct perfcounter *global; |
999 | const char *name; | |
a54d0d2c JD |
1000 | |
1001 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 1002 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 1003 | if (*tid_check == 0) { |
bb6d72a2 | 1004 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 1005 | (*tid_check)++; |
a54d0d2c JD |
1006 | } |
1007 | if (*pid_check == 0) { | |
da401e9c | 1008 | if (strncmp(name, "pid", 3) == 0) |
a54d0d2c JD |
1009 | (*pid_check)++; |
1010 | } | |
1011 | if (*ppid_check == 0) { | |
bb6d72a2 | 1012 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
1013 | (*ppid_check)++; |
1014 | } | |
1015 | if (*procname_check == 0) { | |
bb6d72a2 | 1016 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
1017 | (*procname_check)++; |
1018 | } | |
bb6d72a2 JD |
1019 | if (strncmp(name, "perf_", 5) == 0) { |
1020 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
1021 | if (!global) { | |
1022 | global = g_new0(struct perfcounter, 1); | |
1023 | /* by default, sort on the first perf context */ | |
1024 | if (g_hash_table_size(global_perf_liszt) == 0) | |
1025 | global->sort = 1; | |
1026 | global->visible = 1; | |
1027 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
1028 | } | |
1029 | } | |
a54d0d2c | 1030 | } |
bb6d72a2 | 1031 | |
a54d0d2c JD |
1032 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
1033 | *procname_check == 1) | |
1034 | return 0; | |
1035 | ||
1036 | return -1; | |
1037 | } | |
1038 | ||
1039 | /* | |
1040 | * check_requirements: check if the required context informations are available | |
1041 | * | |
1042 | * If each mandatory context information is available for at least in one | |
1043 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
1044 | */ |
1045 | int check_requirements(struct bt_context *ctx) | |
1046 | { | |
1047 | unsigned int i, evt_cnt, field_cnt; | |
1048 | struct bt_ctf_event_decl *const * evt_list; | |
1049 | const struct bt_ctf_field_decl *const * field_list; | |
1050 | int tid_check = 0; | |
1051 | int pid_check = 0; | |
1052 | int procname_check = 0; | |
1053 | int ppid_check = 0; | |
1054 | int ret = 0; | |
1055 | ||
b1acd2b3 JD |
1056 | ret = bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); |
1057 | if (ret < 0) { | |
1058 | goto end; | |
1059 | } | |
1060 | ||
a54d0d2c JD |
1061 | for (i = 0; i < evt_cnt; i++) { |
1062 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
1063 | &field_list, &field_cnt); | |
1064 | ret = check_field_requirements(field_list, field_cnt, | |
1065 | &tid_check, &pid_check, &procname_check, | |
1066 | &ppid_check); | |
a54d0d2c JD |
1067 | |
1068 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
1069 | &field_list, &field_cnt); | |
1070 | ret = check_field_requirements(field_list, field_cnt, | |
1071 | &tid_check, &pid_check, &procname_check, | |
1072 | &ppid_check); | |
a54d0d2c JD |
1073 | |
1074 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
1075 | &field_list, &field_cnt); | |
1076 | ret = check_field_requirements(field_list, field_cnt, | |
1077 | &tid_check, &pid_check, &procname_check, | |
1078 | &ppid_check); | |
a54d0d2c JD |
1079 | } |
1080 | ||
1081 | if (tid_check == 0) { | |
1082 | ret = -1; | |
1083 | fprintf(stderr, "[error] missing tid context information\n"); | |
1084 | } | |
1085 | if (pid_check == 0) { | |
1086 | ret = -1; | |
1087 | fprintf(stderr, "[error] missing pid context information\n"); | |
1088 | } | |
1089 | if (ppid_check == 0) { | |
1090 | ret = -1; | |
1091 | fprintf(stderr, "[error] missing ppid context information\n"); | |
1092 | } | |
1093 | if (procname_check == 0) { | |
1094 | ret = -1; | |
1095 | fprintf(stderr, "[error] missing procname context information\n"); | |
1096 | } | |
1097 | ||
16b22a0f JD |
1098 | end: |
1099 | return ret; | |
1100 | } | |
1101 | ||
54761a45 JD |
1102 | static void handle_sigchild(int signal) |
1103 | { | |
1104 | int status; | |
1105 | ||
1106 | waitpid(opt_exec_pid, &status, 0); | |
1107 | } | |
1108 | ||
1109 | int main(int argc, char **argv, char **envp) | |
1fc22eb4 JD |
1110 | { |
1111 | int ret; | |
1112 | struct bt_context *bt_ctx = NULL; | |
1113 | ||
71ba9228 | 1114 | //babeltrace_verbose = 1; |
957eed46 | 1115 | init_lttngtop(); |
1fc22eb4 JD |
1116 | ret = parse_options(argc, argv); |
1117 | if (ret < 0) { | |
1118 | fprintf(stdout, "Error parsing options.\n\n"); | |
1119 | usage(stdout); | |
1120 | exit(EXIT_FAILURE); | |
1121 | } else if (ret > 0) { | |
1122 | exit(EXIT_SUCCESS); | |
1123 | } | |
1124 | ||
54761a45 JD |
1125 | if (opt_exec_name) { |
1126 | opt_exec_env = envp; | |
1127 | signal(SIGCHLD, handle_sigchild); | |
1128 | } | |
1129 | ||
1130 | if (!opt_input_path && !remote_live && !opt_exec_name) { | |
863dc485 JD |
1131 | /* mmap live */ |
1132 | #ifdef LTTNGTOP_MMAP_LIVE | |
24797198 JD |
1133 | if (opt_textdump) { |
1134 | signal(SIGTERM, handle_textdump_sigterm); | |
1135 | signal(SIGINT, handle_textdump_sigterm); | |
1136 | } | |
b1acd2b3 | 1137 | mmap_live_loop(bt_ctx); |
ae9e85c7 | 1138 | pthread_join(timer_thread, NULL); |
eb677852 JD |
1139 | quit = 1; |
1140 | pthread_join(display_thread, NULL); | |
6777529d | 1141 | |
c78f2cdc | 1142 | lttng_stop_tracing("test"); |
c78f2cdc JD |
1143 | lttng_destroy_session("test"); |
1144 | ||
1fc22eb4 | 1145 | goto end; |
863dc485 | 1146 | #else |
d2f1452b JD |
1147 | fprintf(stderr, "[ERROR] Mmap live support not compiled, specify a " |
1148 | "trace directory or -r <relayd hostname/IP>\n"); | |
1149 | usage(stdout); | |
1150 | ret = -1; | |
863dc485 JD |
1151 | goto end; |
1152 | #endif /* LTTNGTOP_MMAP_LIVE */ | |
1153 | } else if (!opt_input_path && remote_live) { | |
1154 | /* network live */ | |
12a91e9d JD |
1155 | bt_ctx = bt_context_create(); |
1156 | ret = bt_context_add_traces_recursive(bt_ctx, opt_relay_hostname, | |
1157 | "lttng-live", NULL); | |
1158 | if (ret < 0) { | |
1159 | fprintf(stderr, "[error] Opening the trace\n"); | |
1160 | goto end; | |
1161 | } | |
16b22a0f | 1162 | } else { |
957eed46 | 1163 | //init_lttngtop(); |
16b22a0f JD |
1164 | |
1165 | bt_ctx = bt_context_create(); | |
1166 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
1167 | if (ret < 0) { | |
1168 | fprintf(stderr, "[error] Opening the trace\n"); | |
1169 | goto end; | |
1170 | } | |
1fc22eb4 | 1171 | |
12a91e9d JD |
1172 | ret = check_requirements(bt_ctx); |
1173 | if (ret < 0) { | |
1174 | fprintf(stderr, "[error] some mandatory contexts " | |
1175 | "were missing, exiting.\n"); | |
1176 | goto end; | |
1177 | } | |
1178 | ||
1179 | if (!opt_textdump) { | |
1180 | pthread_create(&display_thread, NULL, ncurses_display, | |
1181 | (void *) NULL); | |
1182 | pthread_create(&timer_thread, NULL, refresh_thread, | |
1183 | (void *) NULL); | |
1184 | } | |
1185 | ||
1186 | iter_trace(bt_ctx); | |
863dc485 | 1187 | } |
1fc22eb4 | 1188 | |
1fc22eb4 | 1189 | |
863dc485 JD |
1190 | pthread_join(display_thread, NULL); |
1191 | quit = 1; | |
1192 | pthread_join(timer_thread, NULL); | |
1fc22eb4 | 1193 | |
d2f1452b JD |
1194 | ret = 0; |
1195 | ||
1fc22eb4 | 1196 | end: |
16b22a0f JD |
1197 | if (bt_ctx) |
1198 | bt_context_put(bt_ctx); | |
1199 | ||
d2f1452b | 1200 | return ret; |
1fc22eb4 | 1201 | } |