4 * Babeltrace Trace Converter
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
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
29 #include <babeltrace/babeltrace.h>
30 #include <babeltrace/format.h>
31 #include <babeltrace/context.h>
32 #include <babeltrace/context-internal.h>
33 #include <babeltrace/ctf/types.h>
34 #include <babeltrace/ctf/events.h>
35 /* TODO: fix object model for format-agnostic callbacks */
36 #include <babeltrace/ctf/events-internal.h>
37 #include <babeltrace/ctf/iterator.h>
38 #include <babeltrace/ctf-text/types.h>
39 #include <babeltrace/debug-info.h>
41 #include <babeltrace/iterator.h>
42 #include <babeltrace/plugin/component-factory.h>
43 #include <babeltrace/ref.h>
44 #include <babeltrace/values.h>
50 #include <sys/types.h>
57 #include <babeltrace/ctf-ir/metadata.h> /* for clocks */
59 #define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
61 #define DEFAULT_FILE_ARRAY_SIZE 1
63 #define NET_URL_PREFIX "net://"
64 #define NET4_URL_PREFIX "net4://"
65 #define NET6_URL_PREFIX "net6://"
67 static char *opt_input_format
, *opt_output_format
;
70 * We are not freeing opt_input_paths ipath elements when exiting from
71 * main() for backward compatibility with libpop 0.13, which does not
72 * allocate copies for arguments returned by poptGetArg(), and for
73 * general compatibility with the documented behavior. This is known to
74 * cause a small memory leak with libpop 0.16.
76 static GPtrArray
*opt_input_paths
;
77 static char *opt_output_path
;
78 static int opt_stream_intersection
;
79 static char *opt_plugin_path
;
81 static struct bt_format
*fmt_read
;
83 void bt_dummy_hook(void);
84 void bt_lttng_live_hook(void);
85 void bt_ctf_hook(void);
86 void bt_ctf_text_hook(void);
87 void bt_ctf_metadata_hook(void);
90 void strlower(char *str
)
93 *str
= tolower((int) *str
);
117 OPT_CLOCK_FORCE_CORRELATE
,
118 OPT_STREAM_INTERSECTION
,
120 OPT_DEBUG_INFO_FULL_PATH
,
121 OPT_DEBUG_INFO_TARGET_PREFIX
,
125 * We are _not_ using POPT_ARG_STRING's ability to store directly into
126 * variables, because we want to cast the return to non-const, which is
127 * not possible without using poptGetOptArg explicitly. This helps us
128 * controlling memory allocation correctly without making assumptions
129 * about undocumented behaviors. poptGetOptArg is documented as
130 * requiring the returned const char * to be freed by the caller.
132 static struct poptOption long_options
[] = {
133 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
134 { "output", 'w', POPT_ARG_STRING
, NULL
, OPT_OUTPUT_PATH
, NULL
, NULL
},
135 { "input-format", 'i', POPT_ARG_STRING
, NULL
, OPT_INPUT_FORMAT
, NULL
, NULL
},
136 { "output-format", 'o', POPT_ARG_STRING
, NULL
, OPT_OUTPUT_FORMAT
, NULL
, NULL
},
137 { "help", 'h', POPT_ARG_NONE
, NULL
, OPT_HELP
, NULL
, NULL
},
138 { "list", 'l', POPT_ARG_NONE
, NULL
, OPT_LIST
, NULL
, NULL
},
139 { "plugin-path", 0, POPT_ARG_STRING
, NULL
, OPT_PLUGIN_PATH
, NULL
, NULL
},
140 { "verbose", 'v', POPT_ARG_NONE
, NULL
, OPT_VERBOSE
, NULL
, NULL
},
141 { "debug", 'd', POPT_ARG_NONE
, NULL
, OPT_DEBUG
, NULL
, NULL
},
142 { "names", 'n', POPT_ARG_STRING
, NULL
, OPT_NAMES
, NULL
, NULL
},
143 { "fields", 'f', POPT_ARG_STRING
, NULL
, OPT_FIELDS
, NULL
, NULL
},
144 { "no-delta", 0, POPT_ARG_NONE
, NULL
, OPT_NO_DELTA
, NULL
, NULL
},
145 { "clock-offset", 0, POPT_ARG_STRING
, NULL
, OPT_CLOCK_OFFSET
, NULL
, NULL
},
146 { "clock-offset-ns", 0, POPT_ARG_STRING
, NULL
, OPT_CLOCK_OFFSET_NS
, NULL
, NULL
},
147 { "clock-cycles", 0, POPT_ARG_NONE
, NULL
, OPT_CLOCK_CYCLES
, NULL
, NULL
},
148 { "clock-seconds", 0, POPT_ARG_NONE
, NULL
, OPT_CLOCK_SECONDS
, NULL
, NULL
},
149 { "clock-date", 0, POPT_ARG_NONE
, NULL
, OPT_CLOCK_DATE
, NULL
, NULL
},
150 { "clock-gmt", 0, POPT_ARG_NONE
, NULL
, OPT_CLOCK_GMT
, NULL
, NULL
},
151 { "clock-force-correlate", 0, POPT_ARG_NONE
, NULL
, OPT_CLOCK_FORCE_CORRELATE
, NULL
, NULL
},
152 { "stream-intersection", 0, POPT_ARG_NONE
, NULL
, OPT_STREAM_INTERSECTION
, NULL
, NULL
},
153 #ifdef ENABLE_DEBUG_INFO
154 { "debug-info-dir", 0, POPT_ARG_STRING
, NULL
, OPT_DEBUG_INFO_DIR
, NULL
, NULL
},
155 { "debug-info-full-path", 0, POPT_ARG_NONE
, NULL
, OPT_DEBUG_INFO_FULL_PATH
, NULL
, NULL
},
156 { "debug-info-target-prefix", 0, POPT_ARG_STRING
, NULL
, OPT_DEBUG_INFO_TARGET_PREFIX
, NULL
, NULL
},
158 { NULL
, 0, 0, NULL
, 0, NULL
, NULL
},
161 static void list_formats(FILE *fp
)
164 bt_fprintf_format_list(fp
);
167 static void usage(FILE *fp
)
169 fprintf(fp
, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION
);
170 fprintf(fp
, "usage : babeltrace [OPTIONS] FILE...\n");
172 fprintf(fp
, " FILE Input trace file(s) and/or directory(ies)\n");
173 fprintf(fp
, " (space-separated)\n");
174 fprintf(fp
, " -w, --output OUTPUT Output trace path (default: stdout)\n");
176 fprintf(fp
, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
177 fprintf(fp
, " -o, --output-format FORMAT Output trace format (default: text)\n");
179 fprintf(fp
, " -h, --help This help message\n");
180 fprintf(fp
, " -l, --list List available formats\n");
181 fprintf(fp
, " --plugin-path Supplementary plug-in path\n");
182 fprintf(fp
, " -v, --verbose Verbose mode\n");
183 fprintf(fp
, " (or set BABELTRACE_VERBOSE environment variable)\n");
184 fprintf(fp
, " -d, --debug Debug mode\n");
185 fprintf(fp
, " (or set BABELTRACE_DEBUG environment variable)\n");
186 fprintf(fp
, " --no-delta Do not print time delta between consecutive events\n");
187 fprintf(fp
, " -n, --names name1<,name2,...> Print field names:\n");
188 fprintf(fp
, " (payload OR args OR arg)\n");
189 fprintf(fp
, " none, all, scope, header, (context OR ctx)\n");
190 fprintf(fp
, " (default: payload,context)\n");
191 fprintf(fp
, " -f, --fields name1<,name2,...> Print additional fields:\n");
192 fprintf(fp
, " all, trace, trace:hostname, trace:domain,\n");
193 fprintf(fp
, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
194 fprintf(fp
, " (default: trace:hostname,trace:procname,trace:vpid)\n");
195 fprintf(fp
, " --clock-cycles Timestamp in cycles\n");
196 fprintf(fp
, " --clock-offset seconds Clock offset in seconds\n");
197 fprintf(fp
, " --clock-offset-ns ns Clock offset in nanoseconds\n");
198 fprintf(fp
, " --clock-seconds Print the timestamps as [sec.ns]\n");
199 fprintf(fp
, " (default is: [hh:mm:ss.ns])\n");
200 fprintf(fp
, " --clock-date Print clock date\n");
201 fprintf(fp
, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
202 fprintf(fp
, " --clock-force-correlate Assume that clocks are inherently correlated\n");
203 fprintf(fp
, " across traces.\n");
204 fprintf(fp
, " --stream-intersection Only print events when all streams are active.\n");
205 #ifdef ENABLE_DEBUG_INFO
206 fprintf(fp
, " --debug-info-dir Directory in which to look for debugging information\n");
207 fprintf(fp
, " files. (default: /usr/lib/debug/)\n");
208 fprintf(fp
, " --debug-info-target-prefix Directory to use as a prefix for executable lookup\n");
209 fprintf(fp
, " --debug-info-full-path Show full debug info source and binary paths (if available)\n");
215 static int get_names_args(poptContext
*pc
)
217 char *str
, *strlist
, *strctx
;
220 opt_payload_field_names
= 0;
221 opt_context_field_names
= 0;
222 strlist
= (char *) poptGetOptArg(*pc
);
226 str
= strtok_r(strlist
, ",", &strctx
);
228 if (!strcmp(str
, "all"))
229 opt_all_field_names
= 1;
230 else if (!strcmp(str
, "scope"))
231 opt_scope_field_names
= 1;
232 else if (!strcmp(str
, "context") || !strcmp(str
, "ctx"))
233 opt_context_field_names
= 1;
234 else if (!strcmp(str
, "header"))
235 opt_header_field_names
= 1;
236 else if (!strcmp(str
, "payload") || !strcmp(str
, "args") || !strcmp(str
, "arg"))
237 opt_payload_field_names
= 1;
238 else if (!strcmp(str
, "none")) {
239 opt_all_field_names
= 0;
240 opt_scope_field_names
= 0;
241 opt_context_field_names
= 0;
242 opt_header_field_names
= 0;
243 opt_payload_field_names
= 0;
245 fprintf(stderr
, "[error] unknown field name type %s\n", str
);
249 } while ((str
= strtok_r(NULL
, ",", &strctx
)));
255 static int get_fields_args(poptContext
*pc
)
257 char *str
, *strlist
, *strctx
;
260 strlist
= (char *) poptGetOptArg(*pc
);
264 str
= strtok_r(strlist
, ",", &strctx
);
266 opt_trace_default_fields
= 0;
267 if (!strcmp(str
, "all"))
269 else if (!strcmp(str
, "trace"))
271 else if (!strcmp(str
, "trace:hostname"))
272 opt_trace_hostname_field
= 1;
273 else if (!strcmp(str
, "trace:domain"))
274 opt_trace_domain_field
= 1;
275 else if (!strcmp(str
, "trace:procname"))
276 opt_trace_procname_field
= 1;
277 else if (!strcmp(str
, "trace:vpid"))
278 opt_trace_vpid_field
= 1;
279 else if (!strcmp(str
, "loglevel"))
280 opt_loglevel_field
= 1;
281 else if (!strcmp(str
, "emf"))
283 else if (!strcmp(str
, "callsite"))
284 opt_callsite_field
= 1;
286 fprintf(stderr
, "[error] unknown field type %s\n", str
);
290 } while ((str
= strtok_r(NULL
, ",", &strctx
)));
297 * Return 0 if caller should continue, < 0 if caller should return
298 * error, > 0 if caller should exit without reporting error.
300 static int parse_options(int argc
, char **argv
)
308 return 1; /* exit cleanly */
311 pc
= poptGetContext(NULL
, argc
, (const char **) argv
, long_options
, 0);
312 poptReadDefaultConfig(pc
, 0);
315 opt_context_field_names
= 1;
316 opt_payload_field_names
= 1;
318 while ((opt
= poptGetNextOpt(pc
)) != -1) {
320 case OPT_OUTPUT_PATH
:
321 opt_output_path
= (char *) poptGetOptArg(pc
);
322 if (!opt_output_path
) {
327 case OPT_INPUT_FORMAT
:
328 opt_input_format
= (char *) poptGetOptArg(pc
);
329 if (!opt_input_format
) {
334 case OPT_OUTPUT_FORMAT
:
335 opt_output_format
= (char *) poptGetOptArg(pc
);
336 if (!opt_output_format
) {
343 ret
= 1; /* exit cleanly */
346 list_formats(stdout
);
349 case OPT_PLUGIN_PATH
:
350 opt_plugin_path
= (char *) poptGetOptArg(pc
);
351 if (!opt_plugin_path
) {
357 babeltrace_verbose
= 1;
360 if (get_names_args(&pc
)) {
366 if (get_fields_args(&pc
)) {
372 babeltrace_debug
= 1;
377 case OPT_CLOCK_CYCLES
:
378 opt_clock_cycles
= 1;
380 case OPT_CLOCK_OFFSET
:
385 str
= (char *) poptGetOptArg(pc
);
387 fprintf(stderr
, "[error] Missing --clock-offset argument\n");
392 opt_clock_offset
= strtoll(str
, &endptr
, 0);
393 if (*endptr
!= '\0' || str
== endptr
|| errno
!= 0) {
394 fprintf(stderr
, "[error] Incorrect --clock-offset argument: %s\n", str
);
402 case OPT_CLOCK_SECONDS
:
403 opt_clock_seconds
= 1;
405 case OPT_CLOCK_OFFSET_NS
:
410 str
= (char *) poptGetOptArg(pc
);
412 fprintf(stderr
, "[error] Missing --clock-offset-ns argument\n");
417 opt_clock_offset_ns
= strtoll(str
, &endptr
, 0);
418 if (*endptr
!= '\0' || str
== endptr
|| errno
!= 0) {
419 fprintf(stderr
, "[error] Incorrect --clock-offset-ns argument: %s\n", str
);
434 case OPT_CLOCK_FORCE_CORRELATE
:
435 opt_clock_force_correlate
= 1;
437 case OPT_STREAM_INTERSECTION
:
438 opt_stream_intersection
= 1;
440 case OPT_DEBUG_INFO_DIR
:
441 opt_debug_info_dir
= (char *) poptGetOptArg(pc
);
442 if (!opt_debug_info_dir
) {
447 case OPT_DEBUG_INFO_FULL_PATH
:
448 opt_debug_info_full_path
= 1;
450 case OPT_DEBUG_INFO_TARGET_PREFIX
:
451 opt_debug_info_target_prefix
= (char *) poptGetOptArg(pc
);
452 if (!opt_debug_info_target_prefix
) {
464 ipath
= poptGetArg(pc
);
466 g_ptr_array_add(opt_input_paths
, (gpointer
) ipath
);
476 static GPtrArray
*traversed_paths
= 0;
479 * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
480 * it receives the path of the current entry (file, dir, link..etc) with
481 * a flag to indicate the type of the entry.
482 * if the entry being visited is a directory and contains a metadata file,
483 * then add the path to a global list to be processed later in
484 * add_traces_recursive.
486 static int traverse_trace_dir(const char *fpath
, const struct stat
*sb
,
487 int tflag
, struct FTW
*ftwbuf
)
495 dirfd
= open(fpath
, 0);
497 fprintf(stderr
, "[error] [Context] Unable to open trace "
498 "directory file descriptor.\n");
499 return 0; /* partial error */
501 metafd
= openat(dirfd
, "metadata", O_RDONLY
);
503 closeret
= close(dirfd
);
508 /* No meta data, just return */
513 closeret
= close(metafd
);
518 closeret
= close(dirfd
);
527 /* Add path to the global list */
528 if (traversed_paths
== NULL
) {
529 fprintf(stderr
, "[error] [Context] Invalid open path array.\n");
532 g_ptr_array_add(traversed_paths
, g_string_new(fpath
));
539 * bt_context_add_traces_recursive: Open a trace recursively
541 * Find each trace present in the subdirectory starting from the given
542 * path, and add them to the context. The packet_seek parameter can be
543 * NULL: this specify to use the default format packet_seek.
545 * Return: 0 on success, < 0 on failure, > 0 on partial failure.
546 * Unable to open toplevel: failure.
547 * Unable to open some subdirectory or file: warn and continue (partial
550 int bt_context_add_traces_recursive(struct bt_context
*ctx
, const char *path
,
551 const char *format_str
,
552 void (*packet_seek
)(struct bt_stream_pos
*pos
,
553 size_t offset
, int whence
))
555 int ret
= 0, trace_ids
= 0;
557 if ((strncmp(path
, NET4_URL_PREFIX
, sizeof(NET4_URL_PREFIX
) - 1)) == 0 ||
558 (strncmp(path
, NET6_URL_PREFIX
, sizeof(NET6_URL_PREFIX
) - 1)) == 0 ||
559 (strncmp(path
, NET_URL_PREFIX
, sizeof(NET_URL_PREFIX
) - 1)) == 0) {
560 ret
= bt_context_add_trace(ctx
,
561 path
, format_str
, packet_seek
, NULL
, NULL
);
563 fprintf(stderr
, "[warning] [Context] cannot open trace \"%s\" "
564 "for reading.\n", path
);
568 /* Should lock traversed_paths mutex here if used in multithread */
570 traversed_paths
= g_ptr_array_new();
571 ret
= nftw(path
, traverse_trace_dir
, 10, 0);
573 /* Process the array if ntfw did not return a fatal error */
577 for (i
= 0; i
< traversed_paths
->len
; i
++) {
578 GString
*trace_path
= g_ptr_array_index(traversed_paths
,
580 int trace_id
= bt_context_add_trace(ctx
,
587 fprintf(stderr
, "[warning] [Context] cannot open trace \"%s\" from %s "
588 "for reading.\n", trace_path
->str
, path
);
589 /* Allow to skip erroneous traces. */
590 ret
= 1; /* partial error */
594 g_string_free(trace_path
, TRUE
);
598 g_ptr_array_free(traversed_paths
, TRUE
);
599 traversed_paths
= NULL
;
601 /* Should unlock traversed paths mutex here if used in multithread */
604 * Return an error if no trace can be opened.
606 if (trace_ids
== 0) {
607 fprintf(stderr
, "[error] Cannot open any trace for reading.\n\n");
608 ret
= -ENOENT
; /* failure */
614 int trace_pre_handler(struct bt_trace_descriptor
*td_write
,
615 struct bt_context
*ctx
)
617 struct ctf_text_stream_pos
*sout
;
618 struct trace_collection
*tc
;
621 sout
= container_of(td_write
, struct ctf_text_stream_pos
,
624 if (!sout
->parent
.pre_trace_cb
)
628 for (i
= 0; i
< tc
->array
->len
; i
++) {
629 struct bt_trace_descriptor
*td
=
630 g_ptr_array_index(tc
->array
, i
);
632 ret
= sout
->parent
.pre_trace_cb(&sout
->parent
, td
);
634 fprintf(stderr
, "[error] Writing to trace pre handler failed.\n");
644 int trace_post_handler(struct bt_trace_descriptor
*td_write
,
645 struct bt_context
*ctx
)
647 struct ctf_text_stream_pos
*sout
;
648 struct trace_collection
*tc
;
651 sout
= container_of(td_write
, struct ctf_text_stream_pos
,
654 if (!sout
->parent
.post_trace_cb
)
658 for (i
= 0; i
< tc
->array
->len
; i
++) {
659 struct bt_trace_descriptor
*td
=
660 g_ptr_array_index(tc
->array
, i
);
662 ret
= sout
->parent
.post_trace_cb(&sout
->parent
, td
);
664 fprintf(stderr
, "[error] Writing to trace post handler failed.\n");
674 int convert_trace(struct bt_trace_descriptor
*td_write
,
675 struct bt_context
*ctx
)
677 struct bt_ctf_iter
*iter
;
678 struct ctf_text_stream_pos
*sout
;
679 struct bt_iter_pos
*begin_pos
= NULL
, *end_pos
= NULL
;
680 struct bt_ctf_event
*ctf_event
;
683 sout
= container_of(td_write
, struct ctf_text_stream_pos
,
686 if (!sout
->parent
.event_cb
) {
690 if (opt_stream_intersection
) {
691 iter
= bt_ctf_iter_create_intersect(ctx
, &begin_pos
, &end_pos
);
693 begin_pos
= bt_iter_create_time_pos(NULL
, 0);
694 begin_pos
->type
= BT_SEEK_BEGIN
;
695 iter
= bt_ctf_iter_create(ctx
, begin_pos
, NULL
);
701 while ((ctf_event
= bt_ctf_iter_read_event(iter
))) {
702 ret
= sout
->parent
.event_cb(&sout
->parent
, ctf_event
->parent
->stream
);
704 fprintf(stderr
, "[error] Writing event failed.\n");
707 ret
= bt_iter_next(bt_ctf_get_iter(iter
));
715 bt_ctf_iter_destroy(iter
);
717 bt_iter_free_pos(begin_pos
);
718 bt_iter_free_pos(end_pos
);
722 void call_plugins_hooks(void)
725 bt_lttng_live_hook();
728 bt_ctf_metadata_hook();
731 int main(int argc
, char **argv
)
733 int ret
, partial_error
= 0, open_success
= 0;
734 struct bt_format
*fmt_write
;
735 struct bt_trace_descriptor
*td_write
;
736 struct bt_context
*ctx
;
737 struct bt_component_factory
*component_factory
;
738 struct bt_value
*components
= NULL
;
741 call_plugins_hooks();
743 opt_input_paths
= g_ptr_array_new();
745 ret
= parse_options(argc
, argv
);
747 fprintf(stderr
, "Error parsing options.\n\n");
749 g_ptr_array_free(opt_input_paths
, TRUE
);
751 } else if (ret
> 0) {
752 g_ptr_array_free(opt_input_paths
, TRUE
);
755 printf_verbose("Verbose mode active.\n");
756 printf_debug("Debug mode active.\n");
758 if (!opt_plugin_path
) {
759 fprintf(stderr
, "No plugin path specified, aborting...\n");
763 printf_verbose("Looking-up plugins at %s",
764 opt_plugin_path
? opt_plugin_path
: "Invalid");
765 component_factory
= bt_component_factory_create();
766 if (!component_factory
) {
767 fprintf(stderr
, "Failed to create component factory.\n");
772 ret
= bt_component_factory_load(component_factory
, opt_plugin_path
);
774 fprintf(stderr
, "Failed to load plugins.\n");
778 ret
= bt_component_factory_get_component_class_count(component_factory
);
783 if (opt_input_paths
->len
== 0) {
788 if (opt_input_format
)
789 strlower(opt_input_format
);
790 if (opt_output_format
)
791 strlower(opt_output_format
);
793 printf_verbose("Converting from directory(ies):\n");
794 for (i
= 0; i
< opt_input_paths
->len
; i
++) {
795 const char *ipath
= g_ptr_array_index(opt_input_paths
, i
);
796 printf_verbose(" %s\n", ipath
);
798 printf_verbose("Converting from format: %s\n",
799 opt_input_format
? : "ctf <default>");
800 printf_verbose("Converting to target: %s\n",
801 opt_output_path
? : "<stdout>");
802 printf_verbose("Converting to format: %s\n",
803 opt_output_format
? : "text <default>");
805 if (!opt_input_format
) {
806 opt_input_format
= strdup("ctf");
807 if (!opt_input_format
) {
812 if (!opt_output_format
) {
813 opt_output_format
= strdup("text");
814 if (!opt_output_format
) {
819 fmt_read
= bt_lookup_format(g_quark_from_static_string(opt_input_format
));
821 fprintf(stderr
, "[error] Format \"%s\" is not supported.\n\n",
826 fmt_write
= bt_lookup_format(g_quark_from_static_string(opt_output_format
));
828 fprintf(stderr
, "[error] format \"%s\" is not supported.\n\n",
834 ctx
= bt_context_create();
839 for (i
= 0; i
< opt_input_paths
->len
; i
++) {
840 const char *ipath
= g_ptr_array_index(opt_input_paths
, i
);
841 ret
= bt_context_add_traces_recursive(ctx
, ipath
,
842 opt_input_format
, NULL
);
844 fprintf(stderr
, "[error] opening trace \"%s\" for reading.\n\n",
846 } else if (ret
> 0) {
847 fprintf(stderr
, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
849 open_success
= 1; /* some traces were OK */
852 open_success
= 1; /* all traces were OK */
856 fprintf(stderr
, "[error] none of the specified trace paths could be opened.\n\n");
860 td_write
= fmt_write
->open_trace(opt_output_path
, O_RDWR
, NULL
, NULL
);
862 fprintf(stderr
, "Error opening trace \"%s\" for writing.\n\n",
863 opt_output_path
? : "<none>");
868 * Errors happened when opening traces, but we continue anyway.
869 * sleep to let user see the stderr output before stdout.
872 sleep(PARTIAL_ERROR_SLEEP
);
874 ret
= trace_pre_handler(td_write
, ctx
);
876 fprintf(stderr
, "Error in trace pre handle.\n\n");
877 goto error_copy_trace
;
880 /* For now, we support only CTF iterators */
881 if (fmt_read
->name
== g_quark_from_static_string("ctf")) {
882 ret
= convert_trace(td_write
, ctx
);
884 fprintf(stderr
, "Error printing trace.\n\n");
885 goto error_copy_trace
;
889 ret
= trace_post_handler(td_write
, ctx
);
891 fprintf(stderr
, "Error in trace post handle.\n\n");
892 goto error_copy_trace
;
895 fmt_write
->close_trace(td_write
);
898 printf_verbose("finished converting. Output written to:\n%s\n",
899 opt_output_path
? : "<stdout>");
904 fmt_write
->close_trace(td_write
);
910 /* teardown and exit */
912 free(opt_input_format
);
913 free(opt_output_format
);
914 free(opt_output_path
);
915 free(opt_debug_info_dir
);
916 free(opt_debug_info_target_prefix
);
917 g_ptr_array_free(opt_input_paths
, TRUE
);
919 BT_PUT(component_factory
);