ed19fa85a5b0fd59baa958be6f5eb3a8ef45d096
[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 bt_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 ret = -EINVAL;
208 goto end;
209 }
210 } while ((str = strtok_r(NULL, ",", &strctx)));
211 end:
212 free(strlist);
213 return ret;
214 }
215
216 static int get_fields_args(poptContext *pc)
217 {
218 char *str, *strlist, *strctx;
219 int ret = 0;
220
221 strlist = (char *) poptGetOptArg(*pc);
222 if (!strlist) {
223 return -EINVAL;
224 }
225 str = strtok_r(strlist, ",", &strctx);
226 do {
227 opt_trace_default_fields = 0;
228 if (!strcmp(str, "all"))
229 opt_all_fields = 1;
230 else if (!strcmp(str, "trace"))
231 opt_trace_field = 1;
232 else if (!strcmp(str, "trace:hostname"))
233 opt_trace_hostname_field = 1;
234 else if (!strcmp(str, "trace:domain"))
235 opt_trace_domain_field = 1;
236 else if (!strcmp(str, "trace:procname"))
237 opt_trace_procname_field = 1;
238 else if (!strcmp(str, "trace:vpid"))
239 opt_trace_vpid_field = 1;
240 else if (!strcmp(str, "loglevel"))
241 opt_loglevel_field = 1;
242 else if (!strcmp(str, "emf"))
243 opt_emf_field = 1;
244 else if (!strcmp(str, "callsite"))
245 opt_callsite_field = 1;
246 else {
247 fprintf(stderr, "[error] unknown field type %s\n", str);
248 ret = -EINVAL;
249 goto end;
250 }
251 } while ((str = strtok_r(NULL, ",", &strctx)));
252 end:
253 free(strlist);
254 return ret;
255 }
256
257 /*
258 * Return 0 if caller should continue, < 0 if caller should return
259 * error, > 0 if caller should exit without reporting error.
260 */
261 static int parse_options(int argc, char **argv)
262 {
263 poptContext pc;
264 int opt, ret = 0;
265 const char *ipath;
266
267 if (argc == 1) {
268 usage(stdout);
269 return 1; /* exit cleanly */
270 }
271
272 pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
273 poptReadDefaultConfig(pc, 0);
274
275 /* set default */
276 opt_context_field_names = 1;
277 opt_payload_field_names = 1;
278
279 while ((opt = poptGetNextOpt(pc)) != -1) {
280 switch (opt) {
281 case OPT_OUTPUT_PATH:
282 opt_output_path = (char *) poptGetOptArg(pc);
283 if (!opt_output_path) {
284 ret = -EINVAL;
285 goto end;
286 }
287 break;
288 case OPT_INPUT_FORMAT:
289 opt_input_format = (char *) poptGetOptArg(pc);
290 if (!opt_input_format) {
291 ret = -EINVAL;
292 goto end;
293 }
294 break;
295 case OPT_OUTPUT_FORMAT:
296 opt_output_format = (char *) poptGetOptArg(pc);
297 if (!opt_output_format) {
298 ret = -EINVAL;
299 goto end;
300 }
301 break;
302 case OPT_HELP:
303 usage(stdout);
304 ret = 1; /* exit cleanly */
305 goto end;
306 case OPT_LIST:
307 list_formats(stdout);
308 ret = 1;
309 goto end;
310 case OPT_VERBOSE:
311 babeltrace_verbose = 1;
312 break;
313 case OPT_NAMES:
314 if (get_names_args(&pc)) {
315 ret = -EINVAL;
316 goto end;
317 }
318 break;
319 case OPT_FIELDS:
320 if (get_fields_args(&pc)) {
321 ret = -EINVAL;
322 goto end;
323 }
324 break;
325 case OPT_DEBUG:
326 babeltrace_debug = 1;
327 break;
328 case OPT_NO_DELTA:
329 opt_delta_field = 0;
330 break;
331 case OPT_CLOCK_CYCLES:
332 opt_clock_cycles = 1;
333 break;
334 case OPT_CLOCK_OFFSET:
335 {
336 char *str;
337 char *endptr;
338
339 str = (char *) poptGetOptArg(pc);
340 if (!str) {
341 fprintf(stderr, "[error] Missing --clock-offset argument\n");
342 ret = -EINVAL;
343 goto end;
344 }
345 errno = 0;
346 opt_clock_offset = strtoull(str, &endptr, 0);
347 if (*endptr != '\0' || str == endptr || errno != 0) {
348 fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
349 ret = -EINVAL;
350 free(str);
351 goto end;
352 }
353 free(str);
354 break;
355 }
356 case OPT_CLOCK_SECONDS:
357 opt_clock_seconds = 1;
358 break;
359 case OPT_CLOCK_DATE:
360 opt_clock_date = 1;
361 break;
362 case OPT_CLOCK_GMT:
363 opt_clock_gmt = 1;
364 break;
365 case OPT_CLOCK_FORCE_CORRELATE:
366 opt_clock_force_correlate = 1;
367 break;
368
369 default:
370 ret = -EINVAL;
371 goto end;
372 }
373 }
374
375 do {
376 ipath = poptGetArg(pc);
377 if (ipath)
378 g_ptr_array_add(opt_input_paths, (gpointer) ipath);
379 } while (ipath);
380 if (opt_input_paths->len == 0) {
381 ret = -EINVAL;
382 goto end;
383 }
384
385 end:
386 if (pc) {
387 poptFreeContext(pc);
388 }
389 return ret;
390 }
391
392 static GPtrArray *traversed_paths = 0;
393
394 /*
395 * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
396 * it receives the path of the current entry (file, dir, link..etc) with
397 * a flag to indicate the type of the entry.
398 * if the entry being visited is a directory and contains a metadata file,
399 * then add the path to a global list to be processed later in
400 * add_traces_recursive.
401 */
402 static int traverse_trace_dir(const char *fpath, const struct stat *sb,
403 int tflag, struct FTW *ftwbuf)
404 {
405 int dirfd, metafd;
406 int closeret;
407
408 if (tflag != FTW_D)
409 return 0;
410
411 dirfd = open(fpath, 0);
412 if (dirfd < 0) {
413 fprintf(stderr, "[error] [Context] Unable to open trace "
414 "directory file descriptor.\n");
415 return 0; /* partial error */
416 }
417 metafd = openat(dirfd, "metadata", O_RDONLY);
418 if (metafd < 0) {
419 closeret = close(dirfd);
420 if (closeret < 0) {
421 perror("close");
422 return -1;
423 }
424 /* No meta data, just return */
425 return 0;
426 } else {
427 closeret = close(metafd);
428 if (closeret < 0) {
429 perror("close");
430 return -1; /* failure */
431 }
432 closeret = close(dirfd);
433 if (closeret < 0) {
434 perror("close");
435 return -1; /* failure */
436 }
437
438 /* Add path to the global list */
439 if (traversed_paths == NULL) {
440 fprintf(stderr, "[error] [Context] Invalid open path array.\n");
441 return -1;
442 }
443 g_ptr_array_add(traversed_paths, g_string_new(fpath));
444 }
445
446 return 0;
447 }
448
449 /*
450 * bt_context_add_traces_recursive: Open a trace recursively
451 *
452 * Find each trace present in the subdirectory starting from the given
453 * path, and add them to the context. The packet_seek parameter can be
454 * NULL: this specify to use the default format packet_seek.
455 *
456 * Return: 0 on success, < 0 on failure, > 0 on partial failure.
457 * Unable to open toplevel: failure.
458 * Unable to open some subdirectory or file: warn and continue (partial
459 * failure);
460 */
461 int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
462 const char *format_str,
463 void (*packet_seek)(struct bt_stream_pos *pos,
464 size_t offset, int whence))
465 {
466
467 GArray *trace_ids;
468 int ret = 0;
469
470 /* Should lock traversed_paths mutex here if used in multithread */
471
472 traversed_paths = g_ptr_array_new();
473 trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
474
475 ret = nftw(path, traverse_trace_dir, 10, 0);
476
477 /* Process the array if ntfw did not return a fatal error */
478 if (ret >= 0) {
479 int i;
480
481 for (i = 0; i < traversed_paths->len; i++) {
482 GString *trace_path = g_ptr_array_index(traversed_paths,
483 i);
484 int trace_id = bt_context_add_trace(ctx,
485 trace_path->str,
486 format_str,
487 packet_seek,
488 NULL,
489 NULL);
490 if (trace_id < 0) {
491 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
492 "for reading.\n", trace_path->str, path);
493 /* Allow to skip erroneous traces. */
494 ret = 1; /* partial error */
495 } else {
496 g_array_append_val(trace_ids, trace_id);
497 }
498 g_string_free(trace_path, TRUE);
499 }
500 }
501
502 g_ptr_array_free(traversed_paths, TRUE);
503 traversed_paths = NULL;
504
505 /* Should unlock traversed paths mutex here if used in multithread */
506
507 /*
508 * Return an error if no trace can be opened.
509 */
510 if (trace_ids->len == 0) {
511 fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
512 ret = -ENOENT; /* failure */
513 }
514 g_array_free(trace_ids, TRUE);
515 return ret;
516 }
517
518 int convert_trace(struct bt_trace_descriptor *td_write,
519 struct bt_context *ctx)
520 {
521 struct bt_ctf_iter *iter;
522 struct ctf_text_stream_pos *sout;
523 struct bt_iter_pos begin_pos;
524 struct bt_ctf_event *ctf_event;
525 int ret;
526
527 sout = container_of(td_write, struct ctf_text_stream_pos,
528 trace_descriptor);
529
530 begin_pos.type = BT_SEEK_BEGIN;
531 iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
532 if (!iter) {
533 ret = -1;
534 goto error_iter;
535 }
536 while ((ctf_event = bt_ctf_iter_read_event(iter))) {
537 ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
538 if (ret) {
539 fprintf(stderr, "[error] Writing event failed.\n");
540 goto end;
541 }
542 ret = bt_iter_next(bt_ctf_get_iter(iter));
543 if (ret < 0)
544 goto end;
545 }
546 ret = 0;
547
548 end:
549 bt_ctf_iter_destroy(iter);
550 error_iter:
551 return ret;
552 }
553
554 int main(int argc, char **argv)
555 {
556 int ret, partial_error = 0, open_success = 0;
557 struct bt_format *fmt_write;
558 struct bt_trace_descriptor *td_write;
559 struct bt_context *ctx;
560 int i;
561
562 opt_input_paths = g_ptr_array_new();
563
564 ret = parse_options(argc, argv);
565 if (ret < 0) {
566 fprintf(stderr, "Error parsing options.\n\n");
567 usage(stderr);
568 g_ptr_array_free(opt_input_paths, TRUE);
569 exit(EXIT_FAILURE);
570 } else if (ret > 0) {
571 g_ptr_array_free(opt_input_paths, TRUE);
572 exit(EXIT_SUCCESS);
573 }
574 printf_verbose("Verbose mode active.\n");
575 printf_debug("Debug mode active.\n");
576
577 if (opt_input_format)
578 strlower(opt_input_format);
579 if (opt_output_format)
580 strlower(opt_output_format);
581
582 printf_verbose("Converting from directory(ies):\n");
583 for (i = 0; i < opt_input_paths->len; i++) {
584 const char *ipath = g_ptr_array_index(opt_input_paths, i);
585 printf_verbose(" %s\n", ipath);
586 }
587 printf_verbose("Converting from format: %s\n",
588 opt_input_format ? : "ctf <default>");
589 printf_verbose("Converting to directory: %s\n",
590 opt_output_path ? : "<stdout>");
591 printf_verbose("Converting to format: %s\n",
592 opt_output_format ? : "text <default>");
593
594 if (!opt_input_format) {
595 opt_input_format = strdup("ctf");
596 if (!opt_input_format) {
597 partial_error = 1;
598 goto end;
599 }
600 }
601 if (!opt_output_format) {
602 opt_output_format = strdup("text");
603 if (!opt_output_format) {
604 partial_error = 1;
605 goto end;
606 }
607 }
608 fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
609 if (!fmt_read) {
610 fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
611 opt_input_format);
612 partial_error = 1;
613 goto end;
614 }
615 fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
616 if (!fmt_write) {
617 fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
618 opt_output_format);
619 partial_error = 1;
620 goto end;
621 }
622
623 ctx = bt_context_create();
624 if (!ctx) {
625 goto error_td_read;
626 }
627
628 for (i = 0; i < opt_input_paths->len; i++) {
629 const char *ipath = g_ptr_array_index(opt_input_paths, i);
630 ret = bt_context_add_traces_recursive(ctx, ipath,
631 opt_input_format, NULL);
632 if (ret < 0) {
633 fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
634 ipath);
635 } else if (ret > 0) {
636 fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
637 ipath);
638 open_success = 1; /* some traces were OK */
639 partial_error = 1;
640 } else {
641 open_success = 1; /* all traces were OK */
642 }
643 }
644 if (!open_success) {
645 fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
646 goto error_td_read;
647 }
648
649 td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
650 if (!td_write) {
651 fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
652 opt_output_path ? : "<none>");
653 goto error_td_write;
654 }
655
656 /*
657 * Errors happened when opening traces, but we continue anyway.
658 * sleep to let user see the stderr output before stdout.
659 */
660 if (partial_error)
661 sleep(PARTIAL_ERROR_SLEEP);
662
663 ret = convert_trace(td_write, ctx);
664 if (ret) {
665 fprintf(stderr, "Error printing trace.\n\n");
666 goto error_copy_trace;
667 }
668
669 fmt_write->close_trace(td_write);
670
671 bt_context_put(ctx);
672 printf_verbose("finished converting. Output written to:\n%s\n",
673 opt_output_path ? : "<stdout>");
674 goto end;
675
676 /* Error handling */
677 error_copy_trace:
678 fmt_write->close_trace(td_write);
679 error_td_write:
680 bt_context_put(ctx);
681 error_td_read:
682 partial_error = 1;
683
684 /* teardown and exit */
685 end:
686 free(opt_input_format);
687 free(opt_output_format);
688 free(opt_output_path);
689 g_ptr_array_free(opt_input_paths, TRUE);
690 if (partial_error)
691 exit(EXIT_FAILURE);
692 else
693 exit(EXIT_SUCCESS);
694 }
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