Commit | Line | Data |
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642ec66d MD |
1 | /* |
2 | * BabelTrace - Common Trace Format (CTF) | |
3 | * | |
4 | * CTF Text Format registration. | |
5 | * | |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
642ec66d MD |
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 | #include <babeltrace/format.h> | |
22 | #include <babeltrace/ctf-text/types.h> | |
31262354 | 23 | #include <babeltrace/ctf/metadata.h> |
70bd0a12 | 24 | #include <babeltrace/babeltrace-internal.h> |
e4195791 | 25 | #include <babeltrace/ctf/events-internal.h> |
642ec66d | 26 | #include <inttypes.h> |
642ec66d MD |
27 | #include <sys/mman.h> |
28 | #include <errno.h> | |
29 | #include <sys/types.h> | |
30 | #include <sys/stat.h> | |
31 | #include <fcntl.h> | |
32 | #include <dirent.h> | |
33 | #include <glib.h> | |
34 | #include <unistd.h> | |
35 | #include <stdlib.h> | |
36 | ||
bfe74b8c MD |
37 | #define NSEC_PER_SEC 1000000000ULL |
38 | ||
cba1661c MD |
39 | int opt_all_field_names, |
40 | opt_scope_field_names, | |
41 | opt_header_field_names, | |
42 | opt_context_field_names, | |
82662ad4 | 43 | opt_payload_field_names, |
359d7456 MD |
44 | opt_all_fields, |
45 | opt_trace_field, | |
46 | opt_trace_domain_field, | |
47 | opt_trace_procname_field, | |
48 | opt_trace_vpid_field, | |
32cfb8ad | 49 | opt_trace_hostname_field, |
c3815874 | 50 | opt_trace_default_fields = 1, |
359d7456 | 51 | opt_loglevel_field, |
7d97fad9 | 52 | opt_delta_field = 1; |
cba1661c MD |
53 | |
54 | enum field_item { | |
55 | ITEM_SCOPE, | |
56 | ITEM_HEADER, | |
57 | ITEM_CONTEXT, | |
58 | ITEM_PAYLOAD, | |
59 | }; | |
b88d6e85 | 60 | |
39535929 MD |
61 | enum bt_loglevel { |
62 | BT_LOGLEVEL_EMERG = 0, | |
63 | BT_LOGLEVEL_ALERT = 1, | |
64 | BT_LOGLEVEL_CRIT = 2, | |
65 | BT_LOGLEVEL_ERR = 3, | |
66 | BT_LOGLEVEL_WARNING = 4, | |
67 | BT_LOGLEVEL_NOTICE = 5, | |
68 | BT_LOGLEVEL_INFO = 6, | |
69 | BT_LOGLEVEL_DEBUG_SYSTEM = 7, | |
70 | BT_LOGLEVEL_DEBUG_PROGRAM = 8, | |
71 | BT_LOGLEVEL_DEBUG_PROCESS = 9, | |
72 | BT_LOGLEVEL_DEBUG_MODULE = 10, | |
73 | BT_LOGLEVEL_DEBUG_UNIT = 11, | |
74 | BT_LOGLEVEL_DEBUG_FUNCTION = 12, | |
75 | BT_LOGLEVEL_DEBUG_LINE = 13, | |
76 | BT_LOGLEVEL_DEBUG = 14, | |
77 | }; | |
78 | ||
79 | ||
5b80ddfb | 80 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 81 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 82 | int whence), FILE *metadata_fp); |
642ec66d MD |
83 | void ctf_text_close_trace(struct trace_descriptor *descriptor); |
84 | ||
642ec66d MD |
85 | static |
86 | rw_dispatch write_dispatch_table[] = { | |
87 | [ CTF_TYPE_INTEGER ] = ctf_text_integer_write, | |
88 | [ CTF_TYPE_FLOAT ] = ctf_text_float_write, | |
89 | [ CTF_TYPE_ENUM ] = ctf_text_enum_write, | |
90 | [ CTF_TYPE_STRING ] = ctf_text_string_write, | |
91 | [ CTF_TYPE_STRUCT ] = ctf_text_struct_write, | |
92 | [ CTF_TYPE_VARIANT ] = ctf_text_variant_write, | |
93 | [ CTF_TYPE_ARRAY ] = ctf_text_array_write, | |
94 | [ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write, | |
95 | }; | |
96 | ||
97 | static | |
98 | struct format ctf_text_format = { | |
99 | .open_trace = ctf_text_open_trace, | |
100 | .close_trace = ctf_text_close_trace, | |
101 | }; | |
102 | ||
d335f0f7 MD |
103 | static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN, |
104 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END, | |
105 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED, | |
106 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE, | |
107 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE; | |
108 | ||
109 | static | |
110 | void __attribute__((constructor)) init_quarks(void) | |
111 | { | |
112 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin"); | |
113 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end"); | |
114 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded"); | |
115 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size"); | |
116 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size"); | |
117 | } | |
118 | ||
119 | int print_field(struct definition *definition) | |
120 | { | |
121 | /* Print all fields in verbose mode */ | |
122 | if (babeltrace_verbose) | |
123 | return 1; | |
124 | ||
125 | /* Filter out part of the packet context */ | |
126 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN) | |
127 | return 0; | |
128 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END) | |
129 | return 0; | |
130 | if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED) | |
131 | return 0; | |
132 | if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE) | |
133 | return 0; | |
134 | if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE) | |
135 | return 0; | |
136 | ||
137 | return 1; | |
138 | } | |
139 | ||
cba1661c MD |
140 | static |
141 | void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item) | |
142 | { | |
143 | switch (item) { | |
144 | case ITEM_SCOPE: | |
145 | if (opt_all_field_names || opt_scope_field_names) | |
146 | pos->print_names = 1; | |
147 | else | |
148 | pos->print_names = 0; | |
149 | break; | |
150 | case ITEM_HEADER: | |
151 | if (opt_all_field_names || opt_header_field_names) | |
152 | pos->print_names = 1; | |
153 | else | |
154 | pos->print_names = 0; | |
155 | break; | |
156 | case ITEM_CONTEXT: | |
157 | if (opt_all_field_names || opt_context_field_names) | |
158 | pos->print_names = 1; | |
159 | else | |
160 | pos->print_names = 0; | |
161 | break; | |
162 | case ITEM_PAYLOAD: | |
163 | if (opt_all_field_names || opt_payload_field_names) | |
164 | pos->print_names = 1; | |
165 | else | |
166 | pos->print_names = 0; | |
167 | ||
168 | break; | |
169 | default: | |
170 | assert(0); | |
171 | } | |
172 | } | |
173 | ||
39535929 MD |
174 | static |
175 | const char *print_loglevel(int value) | |
176 | { | |
177 | switch (value) { | |
178 | case -1: | |
179 | return ""; | |
180 | case BT_LOGLEVEL_EMERG: | |
181 | return "TRACE_EMERG"; | |
182 | case BT_LOGLEVEL_ALERT: | |
183 | return "TRACE_ALERT"; | |
184 | case BT_LOGLEVEL_CRIT: | |
185 | return "TRACE_CRIT"; | |
186 | case BT_LOGLEVEL_ERR: | |
187 | return "TRACE_ERR"; | |
188 | case BT_LOGLEVEL_WARNING: | |
189 | return "TRACE_WARNING"; | |
190 | case BT_LOGLEVEL_NOTICE: | |
191 | return "TRACE_NOTICE"; | |
192 | case BT_LOGLEVEL_INFO: | |
193 | return "TRACE_INFO"; | |
194 | case BT_LOGLEVEL_DEBUG_SYSTEM: | |
195 | return "TRACE_DEBUG_SYSTEM"; | |
196 | case BT_LOGLEVEL_DEBUG_PROGRAM: | |
197 | return "TRACE_DEBUG_PROGRAM"; | |
198 | case BT_LOGLEVEL_DEBUG_PROCESS: | |
199 | return "TRACE_DEBUG_PROCESS"; | |
200 | case BT_LOGLEVEL_DEBUG_MODULE: | |
201 | return "TRACE_DEBUG_MODULE"; | |
202 | case BT_LOGLEVEL_DEBUG_UNIT: | |
203 | return "TRACE_DEBUG_UNIT"; | |
204 | case BT_LOGLEVEL_DEBUG_FUNCTION: | |
205 | return "TRACE_DEBUG_FUNCTION"; | |
206 | case BT_LOGLEVEL_DEBUG_LINE: | |
207 | return "TRACE_DEBUG_LINE"; | |
208 | case BT_LOGLEVEL_DEBUG: | |
209 | return "TRACE_DEBUG"; | |
210 | default: | |
211 | return "<<UNKNOWN>>"; | |
212 | } | |
213 | } | |
214 | ||
31262354 | 215 | static |
9e88d150 | 216 | int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *stream) |
e4195791 | 217 | |
31262354 MD |
218 | { |
219 | struct ctf_text_stream_pos *pos = | |
220 | container_of(ppos, struct ctf_text_stream_pos, parent); | |
f380e105 | 221 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
fd3382e8 | 222 | int field_nr_saved; |
4716614a | 223 | struct ctf_event_declaration *event_class; |
c716f83b | 224 | struct ctf_event_definition *event; |
c87a8eb2 | 225 | uint64_t id; |
31262354 | 226 | int ret; |
8c250d87 | 227 | int dom_print = 0; |
31262354 | 228 | |
c87a8eb2 | 229 | id = stream->event_id; |
31262354 MD |
230 | |
231 | if (id >= stream_class->events_by_id->len) { | |
3394d22e | 232 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
233 | return -EINVAL; |
234 | } | |
e28d4618 MD |
235 | event = g_ptr_array_index(stream->events_by_id, id); |
236 | if (!event) { | |
3394d22e | 237 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
e28d4618 MD |
238 | return -EINVAL; |
239 | } | |
31262354 | 240 | event_class = g_ptr_array_index(stream_class->events_by_id, id); |
9ff2b8ad FO |
241 | if (!event_class) { |
242 | fprintf(stderr, "[error] Event class id %" PRIu64 " is unknown.\n", id); | |
31262354 MD |
243 | return -EINVAL; |
244 | } | |
245 | ||
fca04958 MD |
246 | /* Print events discarded */ |
247 | if (stream->events_discarded) { | |
7d97fad9 | 248 | fflush(pos->fp); |
4c4ba021 | 249 | fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events between [", |
fca04958 | 250 | stream->events_discarded); |
03798a93 JD |
251 | if (opt_clock_cycles) { |
252 | ctf_print_timestamp(stderr, stream, | |
253 | stream->prev_cycles_timestamp); | |
254 | fprintf(stderr, "] and ["); | |
255 | ctf_print_timestamp(stderr, stream, | |
256 | stream->prev_cycles_timestamp_end); | |
257 | } else { | |
258 | ctf_print_timestamp(stderr, stream, | |
259 | stream->prev_real_timestamp); | |
260 | fprintf(stderr, "] and ["); | |
261 | ctf_print_timestamp(stderr, stream, | |
262 | stream->prev_real_timestamp_end); | |
263 | } | |
a0b34fbb | 264 | fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n"); |
fca04958 MD |
265 | fflush(stderr); |
266 | stream->events_discarded = 0; | |
267 | } | |
268 | ||
5e2eb0ae | 269 | if (stream->has_timestamp) { |
cba1661c | 270 | set_field_names_print(pos, ITEM_HEADER); |
be60c7fb MD |
271 | if (pos->print_names) |
272 | fprintf(pos->fp, "timestamp = "); | |
273 | else | |
274 | fprintf(pos->fp, "["); | |
03798a93 JD |
275 | if (opt_clock_cycles) { |
276 | ctf_print_timestamp(pos->fp, stream, stream->cycles_timestamp); | |
277 | } else { | |
278 | ctf_print_timestamp(pos->fp, stream, stream->real_timestamp); | |
279 | } | |
be60c7fb MD |
280 | if (!pos->print_names) |
281 | fprintf(pos->fp, "]"); | |
aa6bffae | 282 | |
be60c7fb MD |
283 | if (pos->print_names) |
284 | fprintf(pos->fp, ", "); | |
285 | else | |
286 | fprintf(pos->fp, " "); | |
287 | } | |
359d7456 | 288 | if ((opt_delta_field || opt_all_fields) && stream->has_timestamp) { |
8d8ed9af MD |
289 | uint64_t delta, delta_sec, delta_nsec; |
290 | ||
291 | set_field_names_print(pos, ITEM_HEADER); | |
292 | if (pos->print_names) | |
293 | fprintf(pos->fp, "delta = "); | |
294 | else | |
295 | fprintf(pos->fp, "("); | |
03798a93 JD |
296 | if (pos->last_real_timestamp != -1ULL) { |
297 | delta = stream->real_timestamp - pos->last_real_timestamp; | |
8d8ed9af MD |
298 | delta_sec = delta / NSEC_PER_SEC; |
299 | delta_nsec = delta % NSEC_PER_SEC; | |
300 | fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64, | |
301 | delta_sec, delta_nsec); | |
302 | } else { | |
303 | fprintf(pos->fp, "+?.?????????"); | |
304 | } | |
305 | if (!pos->print_names) | |
306 | fprintf(pos->fp, ")"); | |
307 | ||
308 | if (pos->print_names) | |
309 | fprintf(pos->fp, ", "); | |
310 | else | |
311 | fprintf(pos->fp, " "); | |
03798a93 JD |
312 | pos->last_real_timestamp = stream->real_timestamp; |
313 | pos->last_cycles_timestamp = stream->cycles_timestamp; | |
8d8ed9af MD |
314 | } |
315 | ||
359d7456 | 316 | if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') { |
82662ad4 | 317 | set_field_names_print(pos, ITEM_HEADER); |
8c250d87 | 318 | if (pos->print_names) { |
359d7456 | 319 | fprintf(pos->fp, "trace = "); |
8c250d87 | 320 | } |
82662ad4 | 321 | fprintf(pos->fp, "%s", stream_class->trace->path); |
82662ad4 MD |
322 | if (pos->print_names) |
323 | fprintf(pos->fp, ", "); | |
324 | else | |
325 | fprintf(pos->fp, " "); | |
326 | } | |
c3815874 MD |
327 | if ((opt_trace_hostname_field || opt_all_fields || opt_trace_default_fields) |
328 | && stream_class->trace->env.hostname[0] != '\0') { | |
32cfb8ad MD |
329 | set_field_names_print(pos, ITEM_HEADER); |
330 | if (pos->print_names) { | |
331 | fprintf(pos->fp, "trace:hostname = "); | |
332 | } | |
333 | fprintf(pos->fp, "%s", stream_class->trace->env.hostname); | |
334 | if (pos->print_names) | |
335 | fprintf(pos->fp, ", "); | |
336 | dom_print = 1; | |
337 | } | |
c3815874 | 338 | if ((opt_trace_domain_field || opt_all_fields) && stream_class->trace->env.domain[0] != '\0') { |
8c250d87 MD |
339 | set_field_names_print(pos, ITEM_HEADER); |
340 | if (pos->print_names) { | |
341 | fprintf(pos->fp, "trace:domain = "); | |
342 | } | |
1842a4c8 | 343 | fprintf(pos->fp, "%s", stream_class->trace->env.domain); |
8c250d87 MD |
344 | if (pos->print_names) |
345 | fprintf(pos->fp, ", "); | |
346 | dom_print = 1; | |
347 | } | |
c3815874 MD |
348 | if ((opt_trace_procname_field || opt_all_fields || opt_trace_default_fields) |
349 | && stream_class->trace->env.procname[0] != '\0') { | |
8c250d87 MD |
350 | set_field_names_print(pos, ITEM_HEADER); |
351 | if (pos->print_names) { | |
352 | fprintf(pos->fp, "trace:procname = "); | |
353 | } else if (dom_print) { | |
354 | fprintf(pos->fp, ":"); | |
355 | } | |
1842a4c8 | 356 | fprintf(pos->fp, "%s", stream_class->trace->env.procname); |
8c250d87 MD |
357 | if (pos->print_names) |
358 | fprintf(pos->fp, ", "); | |
359 | dom_print = 1; | |
360 | } | |
c3815874 MD |
361 | if ((opt_trace_vpid_field || opt_all_fields || opt_trace_default_fields) |
362 | && stream_class->trace->env.vpid != -1) { | |
8c250d87 MD |
363 | set_field_names_print(pos, ITEM_HEADER); |
364 | if (pos->print_names) { | |
365 | fprintf(pos->fp, "trace:vpid = "); | |
366 | } else if (dom_print) { | |
367 | fprintf(pos->fp, ":"); | |
368 | } | |
1842a4c8 | 369 | fprintf(pos->fp, "%d", stream_class->trace->env.vpid); |
8c250d87 MD |
370 | if (pos->print_names) |
371 | fprintf(pos->fp, ", "); | |
372 | dom_print = 1; | |
373 | } | |
306eeaa6 | 374 | if ((opt_loglevel_field || opt_all_fields) && event_class->loglevel != -1) { |
d86d62f8 MD |
375 | set_field_names_print(pos, ITEM_HEADER); |
376 | if (pos->print_names) { | |
377 | fprintf(pos->fp, "loglevel = "); | |
378 | } else if (dom_print) { | |
379 | fprintf(pos->fp, ":"); | |
380 | } | |
39535929 MD |
381 | fprintf(pos->fp, "%s (%d)", |
382 | print_loglevel(event_class->loglevel), | |
306eeaa6 | 383 | event_class->loglevel); |
d86d62f8 MD |
384 | if (pos->print_names) |
385 | fprintf(pos->fp, ", "); | |
386 | dom_print = 1; | |
387 | } | |
8c250d87 MD |
388 | if (dom_print && !pos->print_names) |
389 | fprintf(pos->fp, " "); | |
cba1661c | 390 | set_field_names_print(pos, ITEM_HEADER); |
31262354 MD |
391 | if (pos->print_names) |
392 | fprintf(pos->fp, "name = "); | |
8178fe48 MD |
393 | fprintf(pos->fp, "%s", g_quark_to_string(event_class->name)); |
394 | if (pos->print_names) | |
fd3382e8 | 395 | pos->field_nr++; |
8178fe48 | 396 | else |
fd3382e8 | 397 | fprintf(pos->fp, ":"); |
31262354 | 398 | |
e28d4618 MD |
399 | /* print cpuid field from packet context */ |
400 | if (stream->stream_packet_context) { | |
401 | if (pos->field_nr++ != 0) | |
402 | fprintf(pos->fp, ","); | |
cba1661c | 403 | set_field_names_print(pos, ITEM_SCOPE); |
e28d4618 MD |
404 | if (pos->print_names) |
405 | fprintf(pos->fp, " stream.packet.context ="); | |
406 | field_nr_saved = pos->field_nr; | |
407 | pos->field_nr = 0; | |
cba1661c | 408 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 MD |
409 | ret = generic_rw(ppos, &stream->stream_packet_context->p); |
410 | if (ret) | |
411 | goto error; | |
412 | pos->field_nr = field_nr_saved; | |
413 | } | |
414 | ||
764af3f4 | 415 | /* Only show the event header in verbose mode */ |
e28d4618 | 416 | if (babeltrace_verbose && stream->stream_event_header) { |
fd3382e8 MD |
417 | if (pos->field_nr++ != 0) |
418 | fprintf(pos->fp, ","); | |
cba1661c | 419 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 420 | if (pos->print_names) |
fd3382e8 MD |
421 | fprintf(pos->fp, " stream.event.header ="); |
422 | field_nr_saved = pos->field_nr; | |
423 | pos->field_nr = 0; | |
cba1661c | 424 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 425 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
31262354 MD |
426 | if (ret) |
427 | goto error; | |
fd3382e8 | 428 | pos->field_nr = field_nr_saved; |
31262354 MD |
429 | } |
430 | ||
431 | /* print stream-declared event context */ | |
e28d4618 | 432 | if (stream->stream_event_context) { |
fd3382e8 MD |
433 | if (pos->field_nr++ != 0) |
434 | fprintf(pos->fp, ","); | |
cba1661c | 435 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 436 | if (pos->print_names) |
fd3382e8 MD |
437 | fprintf(pos->fp, " stream.event.context ="); |
438 | field_nr_saved = pos->field_nr; | |
439 | pos->field_nr = 0; | |
cba1661c | 440 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 441 | ret = generic_rw(ppos, &stream->stream_event_context->p); |
31262354 MD |
442 | if (ret) |
443 | goto error; | |
fd3382e8 | 444 | pos->field_nr = field_nr_saved; |
31262354 MD |
445 | } |
446 | ||
447 | /* print event-declared event context */ | |
e28d4618 | 448 | if (event->event_context) { |
fd3382e8 MD |
449 | if (pos->field_nr++ != 0) |
450 | fprintf(pos->fp, ","); | |
cba1661c | 451 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 452 | if (pos->print_names) |
fd3382e8 MD |
453 | fprintf(pos->fp, " event.context ="); |
454 | field_nr_saved = pos->field_nr; | |
455 | pos->field_nr = 0; | |
cba1661c | 456 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 457 | ret = generic_rw(ppos, &event->event_context->p); |
31262354 MD |
458 | if (ret) |
459 | goto error; | |
fd3382e8 | 460 | pos->field_nr = field_nr_saved; |
31262354 MD |
461 | } |
462 | ||
463 | /* Read and print event payload */ | |
e28d4618 | 464 | if (event->event_fields) { |
fd3382e8 MD |
465 | if (pos->field_nr++ != 0) |
466 | fprintf(pos->fp, ","); | |
cba1661c | 467 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 468 | if (pos->print_names) |
fd3382e8 MD |
469 | fprintf(pos->fp, " event.fields ="); |
470 | field_nr_saved = pos->field_nr; | |
471 | pos->field_nr = 0; | |
cba1661c | 472 | set_field_names_print(pos, ITEM_PAYLOAD); |
e28d4618 | 473 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
474 | if (ret) |
475 | goto error; | |
fd3382e8 | 476 | pos->field_nr = field_nr_saved; |
31262354 | 477 | } |
fd3382e8 | 478 | /* newline */ |
31262354 | 479 | fprintf(pos->fp, "\n"); |
fd3382e8 | 480 | pos->field_nr = 0; |
31262354 MD |
481 | |
482 | return 0; | |
483 | ||
484 | error: | |
3394d22e | 485 | fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); |
31262354 MD |
486 | return ret; |
487 | } | |
488 | ||
489 | ||
5b80ddfb | 490 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 491 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 492 | int whence), FILE *metadata_fp) |
642ec66d MD |
493 | { |
494 | struct ctf_text_stream_pos *pos; | |
495 | FILE *fp; | |
496 | ||
497 | pos = g_new0(struct ctf_text_stream_pos, 1); | |
498 | ||
03798a93 JD |
499 | pos->last_real_timestamp = -1ULL; |
500 | pos->last_cycles_timestamp = -1ULL; | |
642ec66d | 501 | switch (flags & O_ACCMODE) { |
989c73bc | 502 | case O_RDWR: |
b61922b5 | 503 | if (!path) |
6cf7957b MD |
504 | fp = stdout; |
505 | else | |
506 | fp = fopen(path, "w"); | |
642ec66d MD |
507 | if (!fp) |
508 | goto error; | |
509 | pos->fp = fp; | |
510 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 511 | pos->parent.event_cb = ctf_text_write_event; |
cba1661c | 512 | pos->print_names = 0; |
642ec66d MD |
513 | break; |
514 | case O_RDONLY: | |
515 | default: | |
3394d22e | 516 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
642ec66d MD |
517 | goto error; |
518 | } | |
519 | ||
520 | return &pos->trace_descriptor; | |
521 | error: | |
522 | g_free(pos); | |
523 | return NULL; | |
524 | } | |
525 | ||
526 | void ctf_text_close_trace(struct trace_descriptor *td) | |
527 | { | |
528 | struct ctf_text_stream_pos *pos = | |
529 | container_of(td, struct ctf_text_stream_pos, trace_descriptor); | |
530 | fclose(pos->fp); | |
531 | g_free(pos); | |
532 | } | |
533 | ||
534 | void __attribute__((constructor)) ctf_text_init(void) | |
535 | { | |
536 | int ret; | |
537 | ||
538 | ctf_text_format.name = g_quark_from_static_string("text"); | |
539 | ret = bt_register_format(&ctf_text_format); | |
540 | assert(!ret); | |
541 | } | |
542 | ||
543 | /* TODO: finalize */ |