Namespace the struct trace_descriptor
[babeltrace.git] / converter / babeltrace.c
1 /*
2 * babeltrace.c
3 *
4 * Babeltrace Trace Converter
5 *
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
7 *
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
27 */
28
29 #define _GNU_SOURCE
30 #include <config.h>
31 #include <babeltrace/babeltrace.h>
32 #include <babeltrace/format.h>
33 #include <babeltrace/context.h>
34 #include <babeltrace/ctf/types.h>
35 #include <babeltrace/ctf/events.h>
36 /* TODO: fix object model for format-agnostic callbacks */
37 #include <babeltrace/ctf/events-internal.h>
38 #include <babeltrace/ctf/iterator.h>
39 #include <babeltrace/ctf-text/types.h>
40 #include <babeltrace/iterator.h>
41 #include <popt.h>
42 #include <errno.h>
43 #include <stdlib.h>
44 #include <ctype.h>
45 #include <sys/stat.h>
46 #include <sys/types.h>
47 #include <fcntl.h>
48 #include <unistd.h>
49 #include <inttypes.h>
50 #include <ftw.h>
51 #include <string.h>
52
53 #include <babeltrace/ctf-ir/metadata.h> /* for clocks */
54
55 #define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
56
57 #define DEFAULT_FILE_ARRAY_SIZE 1
58
59 static char *opt_input_format, *opt_output_format;
60
61 /*
62 * We are not freeing opt_input_paths ipath elements when exiting from
63 * main() for backward compatibility with libpop 0.13, which does not
64 * allocate copies for arguments returned by poptGetArg(), and for
65 * general compatibility with the documented behavior. This is known to
66 * cause a small memory leak with libpop 0.16.
67 */
68 static GPtrArray *opt_input_paths;
69 static char *opt_output_path;
70
71 static struct format *fmt_read;
72
73 static
74 void strlower(char *str)
75 {
76 while (*str) {
77 *str = tolower((int) *str);
78 str++;
79 }
80 }
81
82 enum {
83 OPT_NONE = 0,
84 OPT_OUTPUT_PATH,
85 OPT_INPUT_FORMAT,
86 OPT_OUTPUT_FORMAT,
87 OPT_HELP,
88 OPT_LIST,
89 OPT_VERBOSE,
90 OPT_DEBUG,
91 OPT_NAMES,
92 OPT_FIELDS,
93 OPT_NO_DELTA,
94 OPT_CLOCK_OFFSET,
95 OPT_CLOCK_CYCLES,
96 OPT_CLOCK_SECONDS,
97 OPT_CLOCK_DATE,
98 OPT_CLOCK_GMT,
99 OPT_CLOCK_FORCE_CORRELATE,
100 };
101
102 /*
103 * We are _not_ using POPT_ARG_STRING ability to store directly into
104 * variables, because we want to cast the return to non-const, which is
105 * not possible without using poptGetOptArg explicitly. This helps us
106 * controlling memory allocation correctly without making assumptions
107 * about undocumented behaviors. poptGetOptArg is documented as
108 * requiring the returned const char * to be freed by the caller.
109 */
110 static struct poptOption long_options[] = {
111 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
112 { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL },
113 { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
114 { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
115 { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
116 { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
117 { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
118 { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
119 { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
120 { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
121 { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
122 { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
123 { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
124 { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
125 { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
126 { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
127 { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
128 { NULL, 0, 0, NULL, 0, NULL, NULL },
129 };
130
131 static void list_formats(FILE *fp)
132 {
133 fprintf(fp, "\n");
134 bt_fprintf_format_list(fp);
135 }
136
137 static void usage(FILE *fp)
138 {
139 fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
140 fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n");
141 fprintf(fp, "\n");
142 fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n");
143 fprintf(fp, " (space-separated)\n");
144 fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n");
145 fprintf(fp, "\n");
146 fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
147 fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
148 fprintf(fp, "\n");
149 fprintf(fp, " -h, --help This help message\n");
150 fprintf(fp, " -l, --list List available formats\n");
151 fprintf(fp, " -v, --verbose Verbose mode\n");
152 fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
153 fprintf(fp, " -d, --debug Debug mode\n");
154 fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
155 fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
156 fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
157 fprintf(fp, " (payload OR args OR arg)\n");
158 fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
159 fprintf(fp, " (default: payload,context)\n");
160 fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
161 fprintf(fp, " all, trace, trace:hostname, trace:domain,\n");
162 fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
163 fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n");
164 fprintf(fp, " --clock-cycles Timestamp in cycles\n");
165 fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
166 fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
167 fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
168 fprintf(fp, " --clock-date Print clock date\n");
169 fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
170 fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
171 fprintf(fp, " across traces.\n");
172 list_formats(fp);
173 fprintf(fp, "\n");
174 }
175
176 static int get_names_args(poptContext *pc)
177 {
178 char *str, *strlist, *strctx;
179 int ret = 0;
180
181 opt_payload_field_names = 0;
182 opt_context_field_names = 0;
183 strlist = (char *) poptGetOptArg(*pc);
184 if (!strlist) {
185 return -EINVAL;
186 }
187 str = strtok_r(strlist, ",", &strctx);
188 do {
189 if (!strcmp(str, "all"))
190 opt_all_field_names = 1;
191 else if (!strcmp(str, "scope"))
192 opt_scope_field_names = 1;
193 else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
194 opt_context_field_names = 1;
195 else if (!strcmp(str, "header"))
196 opt_header_field_names = 1;
197 else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
198 opt_payload_field_names = 1;
199 else if (!strcmp(str, "none")) {
200 opt_all_field_names = 0;
201 opt_scope_field_names = 0;
202 opt_context_field_names = 0;
203 opt_header_field_names = 0;
204 opt_payload_field_names = 0;
205 } else {
206 fprintf(stderr, "[error] unknown field name type %s\n", str);
207 free(strlist);
208 ret = -EINVAL;
209 goto end;
210 }
211 } while ((str = strtok_r(NULL, ",", &strctx)));
212 end:
213 free(strlist);
214 return ret;
215 }
216
217 static int get_fields_args(poptContext *pc)
218 {
219 char *str, *strlist, *strctx;
220 int ret = 0;
221
222 strlist = (char *) poptGetOptArg(*pc);
223 if (!strlist) {
224 return -EINVAL;
225 }
226 str = strtok_r(strlist, ",", &strctx);
227 do {
228 opt_trace_default_fields = 0;
229 if (!strcmp(str, "all"))
230 opt_all_fields = 1;
231 else if (!strcmp(str, "trace"))
232 opt_trace_field = 1;
233 else if (!strcmp(str, "trace:hostname"))
234 opt_trace_hostname_field = 1;
235 else if (!strcmp(str, "trace:domain"))
236 opt_trace_domain_field = 1;
237 else if (!strcmp(str, "trace:procname"))
238 opt_trace_procname_field = 1;
239 else if (!strcmp(str, "trace:vpid"))
240 opt_trace_vpid_field = 1;
241 else if (!strcmp(str, "loglevel"))
242 opt_loglevel_field = 1;
243 else if (!strcmp(str, "emf"))
244 opt_emf_field = 1;
245 else if (!strcmp(str, "callsite"))
246 opt_callsite_field = 1;
247 else {
248 fprintf(stderr, "[error] unknown field type %s\n", str);
249 ret = -EINVAL;
250 goto end;
251 }
252 } while ((str = strtok_r(NULL, ",", &strctx)));
253 end:
254 free(strlist);
255 return ret;
256 }
257
258 /*
259 * Return 0 if caller should continue, < 0 if caller should return
260 * error, > 0 if caller should exit without reporting error.
261 */
262 static int parse_options(int argc, char **argv)
263 {
264 poptContext pc;
265 int opt, ret = 0;
266 const char *ipath;
267
268 if (argc == 1) {
269 usage(stdout);
270 return 1; /* exit cleanly */
271 }
272
273 pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
274 poptReadDefaultConfig(pc, 0);
275
276 /* set default */
277 opt_context_field_names = 1;
278 opt_payload_field_names = 1;
279
280 while ((opt = poptGetNextOpt(pc)) != -1) {
281 switch (opt) {
282 case OPT_OUTPUT_PATH:
283 opt_output_path = (char *) poptGetOptArg(pc);
284 if (!opt_output_path) {
285 ret = -EINVAL;
286 goto end;
287 }
288 break;
289 case OPT_INPUT_FORMAT:
290 opt_input_format = (char *) poptGetOptArg(pc);
291 if (!opt_input_format) {
292 ret = -EINVAL;
293 goto end;
294 }
295 break;
296 case OPT_OUTPUT_FORMAT:
297 opt_output_format = (char *) poptGetOptArg(pc);
298 if (!opt_output_format) {
299 ret = -EINVAL;
300 goto end;
301 }
302 break;
303 case OPT_HELP:
304 usage(stdout);
305 ret = 1; /* exit cleanly */
306 goto end;
307 case OPT_LIST:
308 list_formats(stdout);
309 ret = 1;
310 goto end;
311 case OPT_VERBOSE:
312 babeltrace_verbose = 1;
313 break;
314 case OPT_NAMES:
315 if (get_names_args(&pc)) {
316 ret = -EINVAL;
317 goto end;
318 }
319 break;
320 case OPT_FIELDS:
321 if (get_fields_args(&pc)) {
322 ret = -EINVAL;
323 goto end;
324 }
325 break;
326 case OPT_DEBUG:
327 babeltrace_debug = 1;
328 break;
329 case OPT_NO_DELTA:
330 opt_delta_field = 0;
331 break;
332 case OPT_CLOCK_CYCLES:
333 opt_clock_cycles = 1;
334 break;
335 case OPT_CLOCK_OFFSET:
336 {
337 char *str;
338 char *endptr;
339
340 str = (char *) poptGetOptArg(pc);
341 if (!str) {
342 fprintf(stderr, "[error] Missing --clock-offset argument\n");
343 ret = -EINVAL;
344 goto end;
345 }
346 errno = 0;
347 opt_clock_offset = strtoull(str, &endptr, 0);
348 if (*endptr != '\0' || str == endptr || errno != 0) {
349 fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
350 ret = -EINVAL;
351 free(str);
352 goto end;
353 }
354 free(str);
355 break;
356 }
357 case OPT_CLOCK_SECONDS:
358 opt_clock_seconds = 1;
359 break;
360 case OPT_CLOCK_DATE:
361 opt_clock_date = 1;
362 break;
363 case OPT_CLOCK_GMT:
364 opt_clock_gmt = 1;
365 break;
366 case OPT_CLOCK_FORCE_CORRELATE:
367 opt_clock_force_correlate = 1;
368 break;
369
370 default:
371 ret = -EINVAL;
372 goto end;
373 }
374 }
375
376 do {
377 ipath = poptGetArg(pc);
378 if (ipath)
379 g_ptr_array_add(opt_input_paths, (gpointer) ipath);
380 } while (ipath);
381 if (opt_input_paths->len == 0) {
382 ret = -EINVAL;
383 goto end;
384 }
385
386 end:
387 if (pc) {
388 poptFreeContext(pc);
389 }
390 return ret;
391 }
392
393 static GPtrArray *traversed_paths = 0;
394
395 /*
396 * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
397 * it receives the path of the current entry (file, dir, link..etc) with
398 * a flag to indicate the type of the entry.
399 * if the entry being visited is a directory and contains a metadata file,
400 * then add the path to a global list to be processed later in
401 * add_traces_recursive.
402 */
403 static int traverse_trace_dir(const char *fpath, const struct stat *sb,
404 int tflag, struct FTW *ftwbuf)
405 {
406 int dirfd, metafd;
407 int closeret;
408
409 if (tflag != FTW_D)
410 return 0;
411
412 dirfd = open(fpath, 0);
413 if (dirfd < 0) {
414 fprintf(stderr, "[error] [Context] Unable to open trace "
415 "directory file descriptor.\n");
416 return 0; /* partial error */
417 }
418 metafd = openat(dirfd, "metadata", O_RDONLY);
419 if (metafd < 0) {
420 closeret = close(dirfd);
421 if (closeret < 0) {
422 perror("close");
423 return -1;
424 }
425 /* No meta data, just return */
426 return 0;
427 } else {
428 closeret = close(metafd);
429 if (closeret < 0) {
430 perror("close");
431 return -1; /* failure */
432 }
433 closeret = close(dirfd);
434 if (closeret < 0) {
435 perror("close");
436 return -1; /* failure */
437 }
438
439 /* Add path to the global list */
440 if (traversed_paths == NULL) {
441 fprintf(stderr, "[error] [Context] Invalid open path array.\n");
442 return -1;
443 }
444 g_ptr_array_add(traversed_paths, g_string_new(fpath));
445 }
446
447 return 0;
448 }
449
450 /*
451 * bt_context_add_traces_recursive: Open a trace recursively
452 *
453 * Find each trace present in the subdirectory starting from the given
454 * path, and add them to the context. The packet_seek parameter can be
455 * NULL: this specify to use the default format packet_seek.
456 *
457 * Return: 0 on success, < 0 on failure, > 0 on partial failure.
458 * Unable to open toplevel: failure.
459 * Unable to open some subdirectory or file: warn and continue (partial
460 * failure);
461 */
462 int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
463 const char *format_str,
464 void (*packet_seek)(struct bt_stream_pos *pos,
465 size_t offset, int whence))
466 {
467
468 GArray *trace_ids;
469 int ret = 0;
470
471 /* Should lock traversed_paths mutex here if used in multithread */
472
473 traversed_paths = g_ptr_array_new();
474 trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
475
476 ret = nftw(path, traverse_trace_dir, 10, 0);
477
478 /* Process the array if ntfw did not return a fatal error */
479 if (ret >= 0) {
480 int i;
481
482 for (i = 0; i < traversed_paths->len; i++) {
483 GString *trace_path = g_ptr_array_index(traversed_paths,
484 i);
485 int trace_id = bt_context_add_trace(ctx,
486 trace_path->str,
487 format_str,
488 packet_seek,
489 NULL,
490 NULL);
491 if (trace_id < 0) {
492 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
493 "for reading.\n", trace_path->str, path);
494 /* Allow to skip erroneous traces. */
495 ret = 1; /* partial error */
496 } else {
497 g_array_append_val(trace_ids, trace_id);
498 }
499 g_string_free(trace_path, TRUE);
500 }
501 }
502
503 g_ptr_array_free(traversed_paths, TRUE);
504 traversed_paths = NULL;
505
506 /* Should unlock traversed paths mutex here if used in multithread */
507
508 /*
509 * Return an error if no trace can be opened.
510 */
511 if (trace_ids->len == 0) {
512 fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
513 ret = -ENOENT; /* failure */
514 }
515 g_array_free(trace_ids, TRUE);
516 return ret;
517 }
518
519 int convert_trace(struct bt_trace_descriptor *td_write,
520 struct bt_context *ctx)
521 {
522 struct bt_ctf_iter *iter;
523 struct ctf_text_stream_pos *sout;
524 struct bt_iter_pos begin_pos;
525 struct bt_ctf_event *ctf_event;
526 int ret;
527
528 sout = container_of(td_write, struct ctf_text_stream_pos,
529 trace_descriptor);
530
531 begin_pos.type = BT_SEEK_BEGIN;
532 iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
533 if (!iter) {
534 ret = -1;
535 goto error_iter;
536 }
537 while ((ctf_event = bt_ctf_iter_read_event(iter))) {
538 ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
539 if (ret) {
540 fprintf(stderr, "[error] Writing event failed.\n");
541 goto end;
542 }
543 ret = bt_iter_next(bt_ctf_get_iter(iter));
544 if (ret < 0)
545 goto end;
546 }
547 ret = 0;
548
549 end:
550 bt_ctf_iter_destroy(iter);
551 error_iter:
552 return ret;
553 }
554
555 int main(int argc, char **argv)
556 {
557 int ret, partial_error = 0, open_success = 0;
558 struct format *fmt_write;
559 struct bt_trace_descriptor *td_write;
560 struct bt_context *ctx;
561 int i;
562
563 opt_input_paths = g_ptr_array_new();
564
565 ret = parse_options(argc, argv);
566 if (ret < 0) {
567 fprintf(stderr, "Error parsing options.\n\n");
568 usage(stderr);
569 g_ptr_array_free(opt_input_paths, TRUE);
570 exit(EXIT_FAILURE);
571 } else if (ret > 0) {
572 g_ptr_array_free(opt_input_paths, TRUE);
573 exit(EXIT_SUCCESS);
574 }
575 printf_verbose("Verbose mode active.\n");
576 printf_debug("Debug mode active.\n");
577
578 if (opt_input_format)
579 strlower(opt_input_format);
580 if (opt_output_format)
581 strlower(opt_output_format);
582
583 printf_verbose("Converting from directory(ies):\n");
584 for (i = 0; i < opt_input_paths->len; i++) {
585 const char *ipath = g_ptr_array_index(opt_input_paths, i);
586 printf_verbose(" %s\n", ipath);
587 }
588 printf_verbose("Converting from format: %s\n",
589 opt_input_format ? : "ctf <default>");
590 printf_verbose("Converting to directory: %s\n",
591 opt_output_path ? : "<stdout>");
592 printf_verbose("Converting to format: %s\n",
593 opt_output_format ? : "text <default>");
594
595 if (!opt_input_format) {
596 opt_input_format = strdup("ctf");
597 if (!opt_input_format) {
598 partial_error = 1;
599 goto end;
600 }
601 }
602 if (!opt_output_format) {
603 opt_output_format = strdup("text");
604 if (!opt_output_format) {
605 partial_error = 1;
606 goto end;
607 }
608 }
609 fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
610 if (!fmt_read) {
611 fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
612 opt_input_format);
613 partial_error = 1;
614 goto end;
615 }
616 fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
617 if (!fmt_write) {
618 fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
619 opt_output_format);
620 partial_error = 1;
621 goto end;
622 }
623
624 ctx = bt_context_create();
625 if (!ctx) {
626 goto error_td_read;
627 }
628
629 for (i = 0; i < opt_input_paths->len; i++) {
630 const char *ipath = g_ptr_array_index(opt_input_paths, i);
631 ret = bt_context_add_traces_recursive(ctx, ipath,
632 opt_input_format, NULL);
633 if (ret < 0) {
634 fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
635 ipath);
636 } else if (ret > 0) {
637 fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
638 ipath);
639 open_success = 1; /* some traces were OK */
640 partial_error = 1;
641 } else {
642 open_success = 1; /* all traces were OK */
643 }
644 }
645 if (!open_success) {
646 fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
647 goto error_td_read;
648 }
649
650 td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
651 if (!td_write) {
652 fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
653 opt_output_path ? : "<none>");
654 goto error_td_write;
655 }
656
657 /*
658 * Errors happened when opening traces, but we continue anyway.
659 * sleep to let user see the stderr output before stdout.
660 */
661 if (partial_error)
662 sleep(PARTIAL_ERROR_SLEEP);
663
664 ret = convert_trace(td_write, ctx);
665 if (ret) {
666 fprintf(stderr, "Error printing trace.\n\n");
667 goto error_copy_trace;
668 }
669
670 fmt_write->close_trace(td_write);
671
672 bt_context_put(ctx);
673 printf_verbose("finished converting. Output written to:\n%s\n",
674 opt_output_path ? : "<stdout>");
675 goto end;
676
677 /* Error handling */
678 error_copy_trace:
679 fmt_write->close_trace(td_write);
680 error_td_write:
681 bt_context_put(ctx);
682 error_td_read:
683 partial_error = 1;
684
685 /* teardown and exit */
686 end:
687 free(opt_input_format);
688 free(opt_output_format);
689 free(opt_output_path);
690 g_ptr_array_free(opt_input_paths, TRUE);
691 if (partial_error)
692 exit(EXIT_FAILURE);
693 else
694 exit(EXIT_SUCCESS);
695 }
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