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