Commit | Line | Data |
---|---|---|
1fc22eb4 | 1 | /* |
aa15ac1c | 2 | * Copyright (C) 2011-2012 Julien Desfossez |
1fc22eb4 JD |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License Version 2 as | |
6 | * published by the Free Software Foundation; | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
71bd7ce1 AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
1fc22eb4 JD |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
19 | #include <config.h> | |
20 | #include <stdio.h> | |
21 | #include <stdint.h> | |
22 | #include <babeltrace/babeltrace.h> | |
23 | #include <babeltrace/ctf/events.h> | |
24 | #include <babeltrace/ctf/callbacks.h> | |
3ba84bed | 25 | #include <babeltrace/ctf/iterator.h> |
1fc22eb4 JD |
26 | #include <fcntl.h> |
27 | #include <pthread.h> | |
28 | #include <popt.h> | |
29 | #include <stdlib.h> | |
30 | #include <ftw.h> | |
31 | #include <dirent.h> | |
32 | #include <ctype.h> | |
33 | #include <sys/stat.h> | |
34 | #include <unistd.h> | |
35 | #include <string.h> | |
36 | #include <errno.h> | |
37 | #include <sys/types.h> | |
38 | #include <fts.h> | |
85db4618 | 39 | #include <assert.h> |
1fc22eb4 JD |
40 | |
41 | #include "lttngtoptypes.h" | |
42 | #include "cputop.h" | |
43 | #include "iostreamtop.h" | |
44 | #include "cursesdisplay.h" | |
45 | #include "common.h" | |
46 | ||
47 | #define DEFAULT_FILE_ARRAY_SIZE 1 | |
48 | ||
49 | const char *opt_input_path; | |
50 | ||
51 | struct lttngtop *copy; | |
52 | pthread_t display_thread; | |
53 | pthread_t timer_thread; | |
54 | ||
55 | unsigned long refresh_display = 1 * NSEC_PER_SEC; | |
56 | unsigned long last_display_update = 0; | |
57 | int quit = 0; | |
58 | ||
59 | enum { | |
60 | OPT_NONE = 0, | |
61 | OPT_HELP, | |
62 | OPT_LIST, | |
63 | OPT_VERBOSE, | |
64 | OPT_DEBUG, | |
65 | OPT_NAMES, | |
66 | }; | |
67 | ||
68 | static struct poptOption long_options[] = { | |
69 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
70 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, | |
71 | { NULL, 0, 0, NULL, 0, NULL, NULL }, | |
72 | }; | |
73 | ||
74 | void *refresh_thread(void *p) | |
75 | { | |
76 | while (1) { | |
85db4618 JD |
77 | if (quit) |
78 | return NULL; | |
1fc22eb4 JD |
79 | sem_wait(&pause_sem); |
80 | sem_post(&pause_sem); | |
81 | sem_post(&timer); | |
82 | sleep(refresh_display/NSEC_PER_SEC); | |
83 | } | |
84 | } | |
85 | ||
86 | void *ncurses_display(void *p) | |
87 | { | |
88 | unsigned int current_display_index = 0; | |
89 | ||
90 | sem_wait(&bootstrap); | |
b332d28f JD |
91 | /* |
92 | * Prevent the 1 second delay when we hit ESC | |
93 | */ | |
94 | ESCDELAY = 0; | |
1fc22eb4 JD |
95 | init_ncurses(); |
96 | ||
97 | while (1) { | |
98 | sem_wait(&timer); | |
99 | sem_wait(&goodtodisplay); | |
100 | sem_wait(&pause_sem); | |
101 | ||
102 | copy = g_ptr_array_index(copies, current_display_index); | |
85db4618 JD |
103 | assert(copy); |
104 | display(current_display_index++); | |
1fc22eb4 JD |
105 | |
106 | sem_post(&goodtoupdate); | |
107 | sem_post(&pause_sem); | |
108 | ||
109 | if (quit) { | |
110 | reset_ncurses(); | |
111 | pthread_exit(0); | |
112 | } | |
113 | } | |
114 | } | |
115 | ||
116 | /* | |
117 | * hook on each event to check the timestamp and refresh the display if | |
118 | * necessary | |
119 | */ | |
4adc8274 | 120 | enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data) |
1fc22eb4 JD |
121 | { |
122 | unsigned long timestamp; | |
123 | ||
124 | timestamp = bt_ctf_get_timestamp(call_data); | |
125 | if (timestamp == -1ULL) | |
126 | goto error; | |
127 | ||
128 | if (last_display_update == 0) | |
129 | last_display_update = timestamp; | |
130 | ||
131 | if (timestamp - last_display_update >= refresh_display) { | |
132 | sem_wait(&goodtoupdate); | |
133 | g_ptr_array_add(copies, get_copy_lttngtop(last_display_update, | |
134 | timestamp)); | |
135 | sem_post(&goodtodisplay); | |
136 | sem_post(&bootstrap); | |
137 | last_display_update = timestamp; | |
138 | } | |
139 | return BT_CB_OK; | |
140 | ||
141 | error: | |
142 | fprintf(stderr, "check_timestamp callback error\n"); | |
143 | return BT_CB_ERROR_STOP; | |
144 | } | |
145 | ||
146 | /* | |
147 | * get_perf_counter : get or create and return a perf_counter struct for | |
148 | * either a process or a cpu (only one of the 2 parameters mandatory) | |
149 | */ | |
150 | struct perfcounter *get_perf_counter(const char *name, struct processtop *proc, | |
151 | struct cputime *cpu) | |
152 | { | |
bb6d72a2 | 153 | struct perfcounter *ret; |
1fc22eb4 JD |
154 | GHashTable *table; |
155 | ||
156 | if (proc) | |
157 | table = proc->perf; | |
158 | else if (cpu) | |
159 | table = cpu->perf; | |
160 | else | |
161 | goto error; | |
162 | ||
163 | ret = g_hash_table_lookup(table, (gpointer) name); | |
164 | if (ret) | |
165 | goto end; | |
166 | ||
559c9f86 | 167 | ret = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
168 | /* by default, make it visible in the UI */ |
169 | ret->visible = 1; | |
85db4618 | 170 | g_hash_table_insert(table, (gpointer) strdup(name), ret); |
1fc22eb4 | 171 | |
1fc22eb4 JD |
172 | end: |
173 | return ret; | |
174 | ||
175 | error: | |
176 | return NULL; | |
177 | } | |
178 | ||
179 | void update_perf_value(struct processtop *proc, struct cputime *cpu, | |
180 | const char *name, int value) | |
181 | { | |
182 | struct perfcounter *cpu_perf, *process_perf; | |
183 | ||
184 | cpu_perf = get_perf_counter(name, NULL, cpu); | |
185 | if (cpu_perf->count < value) { | |
186 | process_perf = get_perf_counter(name, proc, NULL); | |
187 | process_perf->count += value - cpu_perf->count; | |
188 | cpu_perf->count = value; | |
189 | } | |
190 | } | |
191 | ||
4adc8274 | 192 | void extract_perf_counter_scope(const struct bt_ctf_event *event, |
3ba84bed | 193 | const struct definition *scope, |
1fc22eb4 JD |
194 | struct processtop *proc, |
195 | struct cputime *cpu) | |
196 | { | |
197 | struct definition const * const *list = NULL; | |
bb6d72a2 | 198 | const struct definition *field; |
1fc22eb4 | 199 | unsigned int count; |
bb6d72a2 JD |
200 | struct perfcounter *perfcounter; |
201 | GHashTableIter iter; | |
202 | gpointer key; | |
203 | int ret; | |
1fc22eb4 JD |
204 | |
205 | if (!scope) | |
206 | goto end; | |
207 | ||
208 | ret = bt_ctf_get_field_list(event, scope, &list, &count); | |
209 | if (ret < 0) | |
210 | goto end; | |
211 | ||
bb6d72a2 JD |
212 | if (count == 0) |
213 | goto end; | |
214 | ||
215 | g_hash_table_iter_init(&iter, global_perf_liszt); | |
216 | while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) { | |
217 | field = bt_ctf_get_field(event, scope, (char *) key); | |
218 | if (field) { | |
219 | int value = bt_ctf_get_uint64(field); | |
1fc22eb4 JD |
220 | if (bt_ctf_field_get_error()) |
221 | continue; | |
bb6d72a2 | 222 | update_perf_value(proc, cpu, (char *) key, value); |
1fc22eb4 JD |
223 | } |
224 | } | |
225 | ||
226 | end: | |
227 | return; | |
228 | } | |
229 | ||
4adc8274 | 230 | void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event) |
1fc22eb4 | 231 | { |
1fc22eb4 | 232 | struct cputime *cpu; |
3ba84bed | 233 | const struct definition *scope; |
1fc22eb4 | 234 | |
d67167cd | 235 | cpu = get_cpu(get_cpu_id(event)); |
1fc22eb4 JD |
236 | |
237 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
238 | extract_perf_counter_scope(event, scope, proc, cpu); | |
239 | ||
240 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
241 | extract_perf_counter_scope(event, scope, proc, cpu); | |
242 | ||
243 | scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT); | |
244 | extract_perf_counter_scope(event, scope, proc, cpu); | |
1fc22eb4 JD |
245 | } |
246 | ||
4adc8274 | 247 | enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
248 | void *private_data) |
249 | { | |
250 | int pid, tid, ppid; | |
251 | char *comm; | |
252 | struct processtop *parent, *child; | |
1fc22eb4 JD |
253 | unsigned long timestamp; |
254 | ||
1fc22eb4 JD |
255 | timestamp = bt_ctf_get_timestamp(call_data); |
256 | if (timestamp == -1ULL) | |
257 | goto error; | |
258 | ||
1dec520a JD |
259 | pid = get_context_pid(call_data); |
260 | if (pid == -1ULL) { | |
1fc22eb4 JD |
261 | goto error; |
262 | } | |
1dec520a JD |
263 | tid = get_context_tid(call_data); |
264 | if (tid == -1ULL) { | |
1fc22eb4 JD |
265 | goto error; |
266 | } | |
1dec520a JD |
267 | ppid = get_context_ppid(call_data); |
268 | if (ppid == -1ULL) { | |
1fc22eb4 JD |
269 | goto error; |
270 | } | |
1dec520a JD |
271 | comm = get_context_comm(call_data); |
272 | if (!comm) { | |
1fc22eb4 JD |
273 | goto error; |
274 | } | |
275 | ||
276 | /* find or create the current process */ | |
277 | child = find_process_tid(<tngtop, tid, comm); | |
278 | if (!child) | |
279 | child = add_proc(<tngtop, tid, comm, timestamp); | |
280 | update_proc(child, pid, tid, ppid, comm); | |
281 | ||
282 | if (pid != tid) { | |
283 | /* find or create the parent */ | |
284 | parent = find_process_tid(<tngtop, pid, comm); | |
285 | if (!parent) { | |
286 | parent = add_proc(<tngtop, pid, comm, timestamp); | |
287 | parent->pid = pid; | |
288 | } | |
289 | ||
290 | /* attach the parent to the current process */ | |
291 | child->threadparent = parent; | |
292 | add_thread(parent, child); | |
293 | } | |
294 | ||
295 | update_perf_counter(child, call_data); | |
296 | ||
297 | return BT_CB_OK; | |
298 | ||
299 | error: | |
300 | return BT_CB_ERROR_STOP; | |
301 | } | |
302 | ||
303 | void init_lttngtop() | |
304 | { | |
305 | copies = g_ptr_array_new(); | |
0d91c12a | 306 | global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
307 | |
308 | sem_init(&goodtodisplay, 0, 0); | |
309 | sem_init(&goodtoupdate, 0, 1); | |
310 | sem_init(&timer, 0, 1); | |
311 | sem_init(&bootstrap, 0, 0); | |
312 | sem_init(&pause_sem, 0, 1); | |
313 | sem_init(&end_trace_sem, 0, 0); | |
314 | ||
e05a35a6 JD |
315 | reset_global_counters(); |
316 | lttngtop.nbproc = 0; | |
317 | lttngtop.nbthreads = 0; | |
318 | lttngtop.nbfiles = 0; | |
319 | ||
1fc22eb4 JD |
320 | lttngtop.process_table = g_ptr_array_new(); |
321 | lttngtop.files_table = g_ptr_array_new(); | |
322 | lttngtop.cpu_table = g_ptr_array_new(); | |
323 | } | |
324 | ||
c263c4eb | 325 | void usage(FILE *fp) |
1fc22eb4 | 326 | { |
c263c4eb JD |
327 | fprintf(fp, "LTTngTop %s\n\n", VERSION); |
328 | fprintf(fp, "Usage : lttngtop /path/to/trace\n"); | |
1fc22eb4 JD |
329 | } |
330 | ||
331 | /* | |
332 | * Return 0 if caller should continue, < 0 if caller should return | |
333 | * error, > 0 if caller should exit without reporting error. | |
334 | */ | |
335 | static int parse_options(int argc, char **argv) | |
336 | { | |
337 | poptContext pc; | |
338 | int opt, ret = 0; | |
339 | ||
340 | if (argc == 1) { | |
341 | usage(stdout); | |
342 | return 1; /* exit cleanly */ | |
343 | } | |
344 | ||
345 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); | |
346 | poptReadDefaultConfig(pc, 0); | |
347 | ||
348 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
349 | switch (opt) { | |
350 | case OPT_HELP: | |
351 | usage(stdout); | |
352 | ret = 1; /* exit cleanly */ | |
353 | goto end; | |
1fc22eb4 JD |
354 | default: |
355 | ret = -EINVAL; | |
356 | goto end; | |
357 | } | |
358 | } | |
359 | ||
360 | opt_input_path = poptGetArg(pc); | |
361 | if (!opt_input_path) { | |
362 | ret = -EINVAL; | |
363 | goto end; | |
364 | } | |
365 | end: | |
366 | if (pc) { | |
367 | poptFreeContext(pc); | |
368 | } | |
369 | return ret; | |
370 | } | |
371 | ||
372 | void iter_trace(struct bt_context *bt_ctx) | |
373 | { | |
374 | struct bt_ctf_iter *iter; | |
375 | struct bt_iter_pos begin_pos; | |
4adc8274 | 376 | const struct bt_ctf_event *event; |
1fc22eb4 JD |
377 | int ret = 0; |
378 | ||
379 | begin_pos.type = BT_SEEK_BEGIN; | |
380 | iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL); | |
381 | ||
382 | /* at each event check if we need to refresh */ | |
383 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
384 | check_timestamp, | |
385 | NULL, NULL, NULL); | |
386 | /* at each event, verify the status of the process table */ | |
387 | bt_ctf_iter_add_callback(iter, 0, NULL, 0, | |
388 | fix_process_table, | |
389 | NULL, NULL, NULL); | |
390 | /* to handle the scheduling events */ | |
391 | bt_ctf_iter_add_callback(iter, | |
392 | g_quark_from_static_string("sched_switch"), | |
393 | NULL, 0, handle_sched_switch, NULL, NULL, NULL); | |
394 | /* to clean up the process table */ | |
395 | bt_ctf_iter_add_callback(iter, | |
396 | g_quark_from_static_string("sched_process_free"), | |
397 | NULL, 0, handle_sched_process_free, NULL, NULL, NULL); | |
928f18a6 MB |
398 | /* to get all the process from the statedumps */ |
399 | bt_ctf_iter_add_callback(iter, | |
400 | g_quark_from_static_string( | |
401 | "lttng_statedump_process_state"), | |
402 | NULL, 0, handle_statedump_process_state, | |
403 | NULL, NULL, NULL); | |
1fc22eb4 JD |
404 | |
405 | /* for IO top */ | |
406 | bt_ctf_iter_add_callback(iter, | |
407 | g_quark_from_static_string("exit_syscall"), | |
408 | NULL, 0, handle_exit_syscall, NULL, NULL, NULL); | |
409 | bt_ctf_iter_add_callback(iter, | |
410 | g_quark_from_static_string("sys_write"), | |
411 | NULL, 0, handle_sys_write, NULL, NULL, NULL); | |
412 | bt_ctf_iter_add_callback(iter, | |
413 | g_quark_from_static_string("sys_read"), | |
414 | NULL, 0, handle_sys_read, NULL, NULL, NULL); | |
b093de8a MB |
415 | bt_ctf_iter_add_callback(iter, |
416 | g_quark_from_static_string("sys_open"), | |
417 | NULL, 0, handle_sys_open, NULL, NULL, NULL); | |
b093de8a MB |
418 | bt_ctf_iter_add_callback(iter, |
419 | g_quark_from_static_string("sys_close"), | |
420 | NULL, 0, handle_sys_close, NULL, NULL, NULL); | |
ceb3a221 MB |
421 | bt_ctf_iter_add_callback(iter, |
422 | g_quark_from_static_string( | |
423 | "lttng_statedump_file_descriptor"), | |
424 | NULL, 0, handle_statedump_file_descriptor, | |
425 | NULL, NULL, NULL); | |
59288610 | 426 | |
1fc22eb4 JD |
427 | while ((event = bt_ctf_iter_read_event(iter)) != NULL) { |
428 | ret = bt_iter_next(bt_ctf_get_iter(iter)); | |
429 | if (ret < 0) | |
430 | goto end_iter; | |
431 | } | |
432 | ||
433 | /* block until quit, we reached the end of the trace */ | |
434 | sem_wait(&end_trace_sem); | |
435 | ||
436 | end_iter: | |
06570214 | 437 | bt_ctf_iter_destroy(iter); |
1fc22eb4 JD |
438 | } |
439 | ||
440 | /* | |
441 | * bt_context_add_traces_recursive: Open a trace recursively | |
442 | * (copied from BSD code in converter/babeltrace.c) | |
443 | * | |
444 | * Find each trace present in the subdirectory starting from the given | |
445 | * path, and add them to the context. The packet_seek parameter can be | |
446 | * NULL: this specify to use the default format packet_seek. | |
447 | * | |
448 | * Return: 0 on success, nonzero on failure. | |
449 | * Unable to open toplevel: failure. | |
450 | * Unable to open some subdirectory or file: warn and continue; | |
451 | */ | |
452 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
453 | const char *format_str, | |
454 | void (*packet_seek)(struct stream_pos *pos, | |
455 | size_t offset, int whence)) | |
456 | { | |
457 | FTS *tree; | |
458 | FTSENT *node; | |
459 | GArray *trace_ids; | |
460 | char lpath[PATH_MAX]; | |
461 | char * const paths[2] = { lpath, NULL }; | |
0d567cf1 | 462 | int ret = -1; |
1fc22eb4 JD |
463 | |
464 | /* | |
465 | * Need to copy path, because fts_open can change it. | |
466 | * It is the pointer array, not the strings, that are constant. | |
467 | */ | |
468 | strncpy(lpath, path, PATH_MAX); | |
469 | lpath[PATH_MAX - 1] = '\0'; | |
470 | ||
471 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); | |
472 | if (tree == NULL) { | |
473 | fprintf(stderr, "[error] [Context] Cannot traverse \"%s\" for reading.\n", | |
474 | path); | |
475 | return -EINVAL; | |
476 | } | |
477 | ||
478 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); | |
479 | ||
480 | while ((node = fts_read(tree))) { | |
481 | int dirfd, metafd; | |
482 | ||
483 | if (!(node->fts_info & FTS_D)) | |
484 | continue; | |
485 | ||
486 | dirfd = open(node->fts_accpath, 0); | |
487 | if (dirfd < 0) { | |
488 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
489 | "directory file descriptor.\n"); | |
490 | ret = dirfd; | |
491 | goto error; | |
492 | } | |
493 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
494 | if (metafd < 0) { | |
7314c855 JD |
495 | close(dirfd); |
496 | ret = -1; | |
497 | continue; | |
1fc22eb4 JD |
498 | } else { |
499 | int trace_id; | |
500 | ||
501 | ret = close(metafd); | |
502 | if (ret < 0) { | |
503 | perror("close"); | |
504 | goto error; | |
505 | } | |
506 | ret = close(dirfd); | |
507 | if (ret < 0) { | |
508 | perror("close"); | |
509 | goto error; | |
510 | } | |
511 | ||
512 | trace_id = bt_context_add_trace(ctx, | |
513 | node->fts_accpath, format_str, | |
514 | packet_seek, NULL, NULL); | |
515 | if (trace_id < 0) { | |
0d567cf1 | 516 | fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s " |
1fc22eb4 | 517 | "for reading.\n", node->fts_accpath, path); |
0d567cf1 JD |
518 | /* Allow to skip erroneous traces. */ |
519 | continue; | |
1fc22eb4 JD |
520 | } |
521 | g_array_append_val(trace_ids, trace_id); | |
522 | } | |
523 | } | |
524 | ||
525 | g_array_free(trace_ids, TRUE); | |
0d567cf1 | 526 | return ret; |
1fc22eb4 JD |
527 | |
528 | error: | |
529 | return ret; | |
530 | } | |
531 | ||
4553b4d1 | 532 | static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list, |
a54d0d2c JD |
533 | int field_cnt, int *tid_check, int *pid_check, |
534 | int *procname_check, int *ppid_check) | |
535 | { | |
536 | int j; | |
bb6d72a2 JD |
537 | struct perfcounter *global; |
538 | const char *name; | |
a54d0d2c JD |
539 | |
540 | for (j = 0; j < field_cnt; j++) { | |
bb6d72a2 | 541 | name = bt_ctf_get_decl_field_name(field_list[j]); |
a54d0d2c | 542 | if (*tid_check == 0) { |
bb6d72a2 | 543 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c | 544 | (*tid_check)++; |
a54d0d2c JD |
545 | } |
546 | if (*pid_check == 0) { | |
bb6d72a2 | 547 | if (strncmp(name, "tid", 3) == 0) |
a54d0d2c JD |
548 | (*pid_check)++; |
549 | } | |
550 | if (*ppid_check == 0) { | |
bb6d72a2 | 551 | if (strncmp(name, "ppid", 4) == 0) |
a54d0d2c JD |
552 | (*ppid_check)++; |
553 | } | |
554 | if (*procname_check == 0) { | |
bb6d72a2 | 555 | if (strncmp(name, "procname", 8) == 0) |
a54d0d2c JD |
556 | (*procname_check)++; |
557 | } | |
bb6d72a2 JD |
558 | if (strncmp(name, "perf_", 5) == 0) { |
559 | global = g_hash_table_lookup(global_perf_liszt, (gpointer) name); | |
560 | if (!global) { | |
561 | global = g_new0(struct perfcounter, 1); | |
562 | /* by default, sort on the first perf context */ | |
563 | if (g_hash_table_size(global_perf_liszt) == 0) | |
564 | global->sort = 1; | |
565 | global->visible = 1; | |
566 | g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global); | |
567 | } | |
568 | } | |
a54d0d2c | 569 | } |
bb6d72a2 | 570 | |
a54d0d2c JD |
571 | if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 && |
572 | *procname_check == 1) | |
573 | return 0; | |
574 | ||
575 | return -1; | |
576 | } | |
577 | ||
578 | /* | |
579 | * check_requirements: check if the required context informations are available | |
580 | * | |
581 | * If each mandatory context information is available for at least in one | |
582 | * event, return 0 otherwise return -1. | |
a54d0d2c JD |
583 | */ |
584 | int check_requirements(struct bt_context *ctx) | |
585 | { | |
586 | unsigned int i, evt_cnt, field_cnt; | |
587 | struct bt_ctf_event_decl *const * evt_list; | |
588 | const struct bt_ctf_field_decl *const * field_list; | |
589 | int tid_check = 0; | |
590 | int pid_check = 0; | |
591 | int procname_check = 0; | |
592 | int ppid_check = 0; | |
593 | int ret = 0; | |
594 | ||
595 | bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt); | |
596 | for (i = 0; i < evt_cnt; i++) { | |
597 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT, | |
598 | &field_list, &field_cnt); | |
599 | ret = check_field_requirements(field_list, field_cnt, | |
600 | &tid_check, &pid_check, &procname_check, | |
601 | &ppid_check); | |
a54d0d2c JD |
602 | |
603 | bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT, | |
604 | &field_list, &field_cnt); | |
605 | ret = check_field_requirements(field_list, field_cnt, | |
606 | &tid_check, &pid_check, &procname_check, | |
607 | &ppid_check); | |
a54d0d2c JD |
608 | |
609 | bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT, | |
610 | &field_list, &field_cnt); | |
611 | ret = check_field_requirements(field_list, field_cnt, | |
612 | &tid_check, &pid_check, &procname_check, | |
613 | &ppid_check); | |
a54d0d2c JD |
614 | } |
615 | ||
616 | if (tid_check == 0) { | |
617 | ret = -1; | |
618 | fprintf(stderr, "[error] missing tid context information\n"); | |
619 | } | |
620 | if (pid_check == 0) { | |
621 | ret = -1; | |
622 | fprintf(stderr, "[error] missing pid context information\n"); | |
623 | } | |
624 | if (ppid_check == 0) { | |
625 | ret = -1; | |
626 | fprintf(stderr, "[error] missing ppid context information\n"); | |
627 | } | |
628 | if (procname_check == 0) { | |
629 | ret = -1; | |
630 | fprintf(stderr, "[error] missing procname context information\n"); | |
631 | } | |
632 | ||
a54d0d2c JD |
633 | return ret; |
634 | } | |
635 | ||
1fc22eb4 JD |
636 | int main(int argc, char **argv) |
637 | { | |
638 | int ret; | |
639 | struct bt_context *bt_ctx = NULL; | |
640 | ||
641 | ret = parse_options(argc, argv); | |
642 | if (ret < 0) { | |
643 | fprintf(stdout, "Error parsing options.\n\n"); | |
644 | usage(stdout); | |
645 | exit(EXIT_FAILURE); | |
646 | } else if (ret > 0) { | |
647 | exit(EXIT_SUCCESS); | |
648 | } | |
649 | ||
650 | init_lttngtop(); | |
651 | ||
652 | bt_ctx = bt_context_create(); | |
653 | ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL); | |
654 | if (ret < 0) { | |
a54d0d2c JD |
655 | fprintf(stderr, "[error] Opening the trace\n"); |
656 | goto end; | |
657 | } | |
658 | ||
659 | ret = check_requirements(bt_ctx); | |
660 | if (ret < 0) { | |
6ff9c173 | 661 | fprintf(stderr, "[error] some mandatory contexts were missing, exiting.\n"); |
1fc22eb4 JD |
662 | goto end; |
663 | } | |
664 | ||
665 | pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL); | |
666 | pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL); | |
667 | ||
668 | iter_trace(bt_ctx); | |
669 | ||
670 | quit = 1; | |
671 | pthread_join(display_thread, NULL); | |
85db4618 | 672 | pthread_join(timer_thread, NULL); |
1fc22eb4 JD |
673 | |
674 | end: | |
85db4618 | 675 | bt_context_put(bt_ctx); |
1fc22eb4 JD |
676 | return 0; |
677 | } |