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