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, |
f6714e20 | 52 | opt_emf_field, |
f133896d | 53 | opt_callsite_field, |
7d97fad9 | 54 | opt_delta_field = 1; |
cba1661c MD |
55 | |
56 | enum field_item { | |
57 | ITEM_SCOPE, | |
58 | ITEM_HEADER, | |
59 | ITEM_CONTEXT, | |
60 | ITEM_PAYLOAD, | |
61 | }; | |
b88d6e85 | 62 | |
39535929 MD |
63 | enum bt_loglevel { |
64 | BT_LOGLEVEL_EMERG = 0, | |
65 | BT_LOGLEVEL_ALERT = 1, | |
66 | BT_LOGLEVEL_CRIT = 2, | |
67 | BT_LOGLEVEL_ERR = 3, | |
68 | BT_LOGLEVEL_WARNING = 4, | |
69 | BT_LOGLEVEL_NOTICE = 5, | |
70 | BT_LOGLEVEL_INFO = 6, | |
71 | BT_LOGLEVEL_DEBUG_SYSTEM = 7, | |
72 | BT_LOGLEVEL_DEBUG_PROGRAM = 8, | |
73 | BT_LOGLEVEL_DEBUG_PROCESS = 9, | |
74 | BT_LOGLEVEL_DEBUG_MODULE = 10, | |
75 | BT_LOGLEVEL_DEBUG_UNIT = 11, | |
76 | BT_LOGLEVEL_DEBUG_FUNCTION = 12, | |
77 | BT_LOGLEVEL_DEBUG_LINE = 13, | |
78 | BT_LOGLEVEL_DEBUG = 14, | |
79 | }; | |
80 | ||
95febab3 | 81 | static |
5b80ddfb | 82 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 83 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 84 | int whence), FILE *metadata_fp); |
95febab3 | 85 | static |
f824ae04 | 86 | int ctf_text_close_trace(struct trace_descriptor *descriptor); |
642ec66d | 87 | |
642ec66d MD |
88 | static |
89 | rw_dispatch write_dispatch_table[] = { | |
90 | [ CTF_TYPE_INTEGER ] = ctf_text_integer_write, | |
91 | [ CTF_TYPE_FLOAT ] = ctf_text_float_write, | |
92 | [ CTF_TYPE_ENUM ] = ctf_text_enum_write, | |
93 | [ CTF_TYPE_STRING ] = ctf_text_string_write, | |
94 | [ CTF_TYPE_STRUCT ] = ctf_text_struct_write, | |
95 | [ CTF_TYPE_VARIANT ] = ctf_text_variant_write, | |
96 | [ CTF_TYPE_ARRAY ] = ctf_text_array_write, | |
97 | [ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write, | |
98 | }; | |
99 | ||
100 | static | |
101 | struct format ctf_text_format = { | |
102 | .open_trace = ctf_text_open_trace, | |
103 | .close_trace = ctf_text_close_trace, | |
104 | }; | |
105 | ||
d335f0f7 MD |
106 | static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN, |
107 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END, | |
108 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED, | |
109 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE, | |
110 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE; | |
111 | ||
112 | static | |
113 | void __attribute__((constructor)) init_quarks(void) | |
114 | { | |
115 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin"); | |
116 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end"); | |
117 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded"); | |
118 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size"); | |
119 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size"); | |
120 | } | |
121 | ||
f133896d | 122 | static |
c5ff71a3 | 123 | struct ctf_callsite_dups *ctf_trace_callsite_lookup(struct ctf_trace *trace, |
f133896d MD |
124 | GQuark callsite_name) |
125 | { | |
126 | return g_hash_table_lookup(trace->callsites, | |
127 | (gpointer) (unsigned long) callsite_name); | |
128 | } | |
129 | ||
d335f0f7 MD |
130 | int print_field(struct definition *definition) |
131 | { | |
132 | /* Print all fields in verbose mode */ | |
133 | if (babeltrace_verbose) | |
134 | return 1; | |
135 | ||
136 | /* Filter out part of the packet context */ | |
137 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN) | |
138 | return 0; | |
139 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END) | |
140 | return 0; | |
141 | if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED) | |
142 | return 0; | |
143 | if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE) | |
144 | return 0; | |
145 | if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE) | |
146 | return 0; | |
147 | ||
148 | return 1; | |
149 | } | |
150 | ||
cba1661c MD |
151 | static |
152 | void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item) | |
153 | { | |
154 | switch (item) { | |
155 | case ITEM_SCOPE: | |
156 | if (opt_all_field_names || opt_scope_field_names) | |
157 | pos->print_names = 1; | |
158 | else | |
159 | pos->print_names = 0; | |
160 | break; | |
161 | case ITEM_HEADER: | |
162 | if (opt_all_field_names || opt_header_field_names) | |
163 | pos->print_names = 1; | |
164 | else | |
165 | pos->print_names = 0; | |
166 | break; | |
167 | case ITEM_CONTEXT: | |
168 | if (opt_all_field_names || opt_context_field_names) | |
169 | pos->print_names = 1; | |
170 | else | |
171 | pos->print_names = 0; | |
172 | break; | |
173 | case ITEM_PAYLOAD: | |
174 | if (opt_all_field_names || opt_payload_field_names) | |
175 | pos->print_names = 1; | |
176 | else | |
177 | pos->print_names = 0; | |
178 | ||
179 | break; | |
180 | default: | |
181 | assert(0); | |
182 | } | |
183 | } | |
184 | ||
39535929 MD |
185 | static |
186 | const char *print_loglevel(int value) | |
187 | { | |
188 | switch (value) { | |
189 | case -1: | |
190 | return ""; | |
191 | case BT_LOGLEVEL_EMERG: | |
192 | return "TRACE_EMERG"; | |
193 | case BT_LOGLEVEL_ALERT: | |
194 | return "TRACE_ALERT"; | |
195 | case BT_LOGLEVEL_CRIT: | |
196 | return "TRACE_CRIT"; | |
197 | case BT_LOGLEVEL_ERR: | |
198 | return "TRACE_ERR"; | |
199 | case BT_LOGLEVEL_WARNING: | |
200 | return "TRACE_WARNING"; | |
201 | case BT_LOGLEVEL_NOTICE: | |
202 | return "TRACE_NOTICE"; | |
203 | case BT_LOGLEVEL_INFO: | |
204 | return "TRACE_INFO"; | |
205 | case BT_LOGLEVEL_DEBUG_SYSTEM: | |
206 | return "TRACE_DEBUG_SYSTEM"; | |
207 | case BT_LOGLEVEL_DEBUG_PROGRAM: | |
208 | return "TRACE_DEBUG_PROGRAM"; | |
209 | case BT_LOGLEVEL_DEBUG_PROCESS: | |
210 | return "TRACE_DEBUG_PROCESS"; | |
211 | case BT_LOGLEVEL_DEBUG_MODULE: | |
212 | return "TRACE_DEBUG_MODULE"; | |
213 | case BT_LOGLEVEL_DEBUG_UNIT: | |
214 | return "TRACE_DEBUG_UNIT"; | |
215 | case BT_LOGLEVEL_DEBUG_FUNCTION: | |
216 | return "TRACE_DEBUG_FUNCTION"; | |
217 | case BT_LOGLEVEL_DEBUG_LINE: | |
218 | return "TRACE_DEBUG_LINE"; | |
219 | case BT_LOGLEVEL_DEBUG: | |
220 | return "TRACE_DEBUG"; | |
221 | default: | |
222 | return "<<UNKNOWN>>"; | |
223 | } | |
224 | } | |
225 | ||
31262354 | 226 | static |
9e88d150 | 227 | int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *stream) |
e4195791 | 228 | |
31262354 MD |
229 | { |
230 | struct ctf_text_stream_pos *pos = | |
231 | container_of(ppos, struct ctf_text_stream_pos, parent); | |
f380e105 | 232 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
fd3382e8 | 233 | int field_nr_saved; |
4716614a | 234 | struct ctf_event_declaration *event_class; |
c716f83b | 235 | struct ctf_event_definition *event; |
c87a8eb2 | 236 | uint64_t id; |
31262354 | 237 | int ret; |
8c250d87 | 238 | int dom_print = 0; |
31262354 | 239 | |
c87a8eb2 | 240 | id = stream->event_id; |
31262354 MD |
241 | |
242 | if (id >= stream_class->events_by_id->len) { | |
3394d22e | 243 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
244 | return -EINVAL; |
245 | } | |
e28d4618 MD |
246 | event = g_ptr_array_index(stream->events_by_id, id); |
247 | if (!event) { | |
3394d22e | 248 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
e28d4618 MD |
249 | return -EINVAL; |
250 | } | |
31262354 | 251 | event_class = g_ptr_array_index(stream_class->events_by_id, id); |
9ff2b8ad FO |
252 | if (!event_class) { |
253 | fprintf(stderr, "[error] Event class id %" PRIu64 " is unknown.\n", id); | |
31262354 MD |
254 | return -EINVAL; |
255 | } | |
256 | ||
fca04958 MD |
257 | /* Print events discarded */ |
258 | if (stream->events_discarded) { | |
7d97fad9 | 259 | fflush(pos->fp); |
4c4ba021 | 260 | fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events between [", |
fca04958 | 261 | stream->events_discarded); |
03798a93 JD |
262 | if (opt_clock_cycles) { |
263 | ctf_print_timestamp(stderr, stream, | |
264 | stream->prev_cycles_timestamp); | |
265 | fprintf(stderr, "] and ["); | |
266 | ctf_print_timestamp(stderr, stream, | |
267 | stream->prev_cycles_timestamp_end); | |
268 | } else { | |
269 | ctf_print_timestamp(stderr, stream, | |
270 | stream->prev_real_timestamp); | |
271 | fprintf(stderr, "] and ["); | |
272 | ctf_print_timestamp(stderr, stream, | |
273 | stream->prev_real_timestamp_end); | |
274 | } | |
a0b34fbb | 275 | fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n"); |
fca04958 MD |
276 | fflush(stderr); |
277 | stream->events_discarded = 0; | |
278 | } | |
279 | ||
5e2eb0ae | 280 | if (stream->has_timestamp) { |
cba1661c | 281 | set_field_names_print(pos, ITEM_HEADER); |
be60c7fb MD |
282 | if (pos->print_names) |
283 | fprintf(pos->fp, "timestamp = "); | |
284 | else | |
285 | fprintf(pos->fp, "["); | |
03798a93 JD |
286 | if (opt_clock_cycles) { |
287 | ctf_print_timestamp(pos->fp, stream, stream->cycles_timestamp); | |
288 | } else { | |
289 | ctf_print_timestamp(pos->fp, stream, stream->real_timestamp); | |
290 | } | |
be60c7fb MD |
291 | if (!pos->print_names) |
292 | fprintf(pos->fp, "]"); | |
aa6bffae | 293 | |
be60c7fb MD |
294 | if (pos->print_names) |
295 | fprintf(pos->fp, ", "); | |
296 | else | |
297 | fprintf(pos->fp, " "); | |
298 | } | |
359d7456 | 299 | if ((opt_delta_field || opt_all_fields) && stream->has_timestamp) { |
8d8ed9af MD |
300 | uint64_t delta, delta_sec, delta_nsec; |
301 | ||
302 | set_field_names_print(pos, ITEM_HEADER); | |
303 | if (pos->print_names) | |
304 | fprintf(pos->fp, "delta = "); | |
305 | else | |
306 | fprintf(pos->fp, "("); | |
03798a93 JD |
307 | if (pos->last_real_timestamp != -1ULL) { |
308 | delta = stream->real_timestamp - pos->last_real_timestamp; | |
8d8ed9af MD |
309 | delta_sec = delta / NSEC_PER_SEC; |
310 | delta_nsec = delta % NSEC_PER_SEC; | |
311 | fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64, | |
312 | delta_sec, delta_nsec); | |
313 | } else { | |
314 | fprintf(pos->fp, "+?.?????????"); | |
315 | } | |
316 | if (!pos->print_names) | |
317 | fprintf(pos->fp, ")"); | |
318 | ||
319 | if (pos->print_names) | |
320 | fprintf(pos->fp, ", "); | |
321 | else | |
322 | fprintf(pos->fp, " "); | |
03798a93 JD |
323 | pos->last_real_timestamp = stream->real_timestamp; |
324 | pos->last_cycles_timestamp = stream->cycles_timestamp; | |
8d8ed9af MD |
325 | } |
326 | ||
359d7456 | 327 | if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') { |
82662ad4 | 328 | set_field_names_print(pos, ITEM_HEADER); |
8c250d87 | 329 | if (pos->print_names) { |
359d7456 | 330 | fprintf(pos->fp, "trace = "); |
8c250d87 | 331 | } |
82662ad4 | 332 | fprintf(pos->fp, "%s", stream_class->trace->path); |
82662ad4 MD |
333 | if (pos->print_names) |
334 | fprintf(pos->fp, ", "); | |
335 | else | |
336 | fprintf(pos->fp, " "); | |
337 | } | |
c3815874 MD |
338 | if ((opt_trace_hostname_field || opt_all_fields || opt_trace_default_fields) |
339 | && stream_class->trace->env.hostname[0] != '\0') { | |
32cfb8ad MD |
340 | set_field_names_print(pos, ITEM_HEADER); |
341 | if (pos->print_names) { | |
342 | fprintf(pos->fp, "trace:hostname = "); | |
343 | } | |
344 | fprintf(pos->fp, "%s", stream_class->trace->env.hostname); | |
345 | if (pos->print_names) | |
346 | fprintf(pos->fp, ", "); | |
347 | dom_print = 1; | |
348 | } | |
c3815874 | 349 | if ((opt_trace_domain_field || opt_all_fields) && stream_class->trace->env.domain[0] != '\0') { |
8c250d87 MD |
350 | set_field_names_print(pos, ITEM_HEADER); |
351 | if (pos->print_names) { | |
352 | fprintf(pos->fp, "trace:domain = "); | |
353 | } | |
1842a4c8 | 354 | fprintf(pos->fp, "%s", stream_class->trace->env.domain); |
8c250d87 MD |
355 | if (pos->print_names) |
356 | fprintf(pos->fp, ", "); | |
357 | dom_print = 1; | |
358 | } | |
c3815874 MD |
359 | if ((opt_trace_procname_field || opt_all_fields || opt_trace_default_fields) |
360 | && stream_class->trace->env.procname[0] != '\0') { | |
8c250d87 MD |
361 | set_field_names_print(pos, ITEM_HEADER); |
362 | if (pos->print_names) { | |
363 | fprintf(pos->fp, "trace:procname = "); | |
364 | } else if (dom_print) { | |
365 | fprintf(pos->fp, ":"); | |
366 | } | |
1842a4c8 | 367 | fprintf(pos->fp, "%s", stream_class->trace->env.procname); |
8c250d87 MD |
368 | if (pos->print_names) |
369 | fprintf(pos->fp, ", "); | |
370 | dom_print = 1; | |
371 | } | |
c3815874 MD |
372 | if ((opt_trace_vpid_field || opt_all_fields || opt_trace_default_fields) |
373 | && stream_class->trace->env.vpid != -1) { | |
8c250d87 MD |
374 | set_field_names_print(pos, ITEM_HEADER); |
375 | if (pos->print_names) { | |
376 | fprintf(pos->fp, "trace:vpid = "); | |
377 | } else if (dom_print) { | |
378 | fprintf(pos->fp, ":"); | |
379 | } | |
1842a4c8 | 380 | fprintf(pos->fp, "%d", stream_class->trace->env.vpid); |
8c250d87 MD |
381 | if (pos->print_names) |
382 | fprintf(pos->fp, ", "); | |
383 | dom_print = 1; | |
384 | } | |
306eeaa6 | 385 | if ((opt_loglevel_field || opt_all_fields) && event_class->loglevel != -1) { |
d86d62f8 MD |
386 | set_field_names_print(pos, ITEM_HEADER); |
387 | if (pos->print_names) { | |
388 | fprintf(pos->fp, "loglevel = "); | |
389 | } else if (dom_print) { | |
390 | fprintf(pos->fp, ":"); | |
391 | } | |
39535929 MD |
392 | fprintf(pos->fp, "%s (%d)", |
393 | print_loglevel(event_class->loglevel), | |
306eeaa6 | 394 | event_class->loglevel); |
d86d62f8 MD |
395 | if (pos->print_names) |
396 | fprintf(pos->fp, ", "); | |
f6714e20 MD |
397 | dom_print = 1; |
398 | } | |
399 | if ((opt_emf_field || opt_all_fields) && event_class->model_emf_uri) { | |
400 | set_field_names_print(pos, ITEM_HEADER); | |
401 | if (pos->print_names) { | |
402 | fprintf(pos->fp, "model.emf.uri = "); | |
403 | } else if (dom_print) { | |
404 | fprintf(pos->fp, ":"); | |
405 | } | |
9b3c1d6f | 406 | fprintf(pos->fp, "\"%s\"", |
f6714e20 MD |
407 | g_quark_to_string(event_class->model_emf_uri)); |
408 | if (pos->print_names) | |
409 | fprintf(pos->fp, ", "); | |
d86d62f8 MD |
410 | dom_print = 1; |
411 | } | |
f133896d | 412 | if ((opt_callsite_field || opt_all_fields)) { |
c5ff71a3 | 413 | struct ctf_callsite_dups *cs_dups; |
f133896d MD |
414 | struct ctf_callsite *callsite; |
415 | ||
c5ff71a3 | 416 | cs_dups = ctf_trace_callsite_lookup(stream_class->trace, |
f133896d | 417 | event_class->name); |
c5ff71a3 MD |
418 | if (cs_dups) { |
419 | int i = 0; | |
420 | ||
f133896d MD |
421 | set_field_names_print(pos, ITEM_HEADER); |
422 | if (pos->print_names) { | |
423 | fprintf(pos->fp, "callsite = "); | |
424 | } else if (dom_print) { | |
425 | fprintf(pos->fp, ":"); | |
426 | } | |
c5ff71a3 MD |
427 | fprintf(pos->fp, "["); |
428 | bt_list_for_each_entry(callsite, &cs_dups->head, node) { | |
429 | if (i != 0) | |
430 | fprintf(pos->fp, ","); | |
b448902b MD |
431 | if (CTF_CALLSITE_FIELD_IS_SET(callsite, ip)) { |
432 | fprintf(pos->fp, "%s@0x%" PRIx64 ":%s:%" PRIu64 "", | |
433 | callsite->func, callsite->ip, callsite->file, | |
434 | callsite->line); | |
435 | } else { | |
436 | fprintf(pos->fp, "%s:%s:%" PRIu64 "", | |
437 | callsite->func, callsite->file, | |
438 | callsite->line); | |
439 | } | |
c5ff71a3 MD |
440 | i++; |
441 | } | |
442 | fprintf(pos->fp, "]"); | |
f133896d MD |
443 | if (pos->print_names) |
444 | fprintf(pos->fp, ", "); | |
445 | dom_print = 1; | |
446 | } | |
447 | } | |
8c250d87 MD |
448 | if (dom_print && !pos->print_names) |
449 | fprintf(pos->fp, " "); | |
cba1661c | 450 | set_field_names_print(pos, ITEM_HEADER); |
31262354 MD |
451 | if (pos->print_names) |
452 | fprintf(pos->fp, "name = "); | |
8178fe48 MD |
453 | fprintf(pos->fp, "%s", g_quark_to_string(event_class->name)); |
454 | if (pos->print_names) | |
fd3382e8 | 455 | pos->field_nr++; |
8178fe48 | 456 | else |
fd3382e8 | 457 | fprintf(pos->fp, ":"); |
31262354 | 458 | |
e28d4618 MD |
459 | /* print cpuid field from packet context */ |
460 | if (stream->stream_packet_context) { | |
461 | if (pos->field_nr++ != 0) | |
462 | fprintf(pos->fp, ","); | |
cba1661c | 463 | set_field_names_print(pos, ITEM_SCOPE); |
e28d4618 MD |
464 | if (pos->print_names) |
465 | fprintf(pos->fp, " stream.packet.context ="); | |
466 | field_nr_saved = pos->field_nr; | |
467 | pos->field_nr = 0; | |
cba1661c | 468 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 MD |
469 | ret = generic_rw(ppos, &stream->stream_packet_context->p); |
470 | if (ret) | |
471 | goto error; | |
472 | pos->field_nr = field_nr_saved; | |
473 | } | |
474 | ||
764af3f4 | 475 | /* Only show the event header in verbose mode */ |
e28d4618 | 476 | if (babeltrace_verbose && stream->stream_event_header) { |
fd3382e8 MD |
477 | if (pos->field_nr++ != 0) |
478 | fprintf(pos->fp, ","); | |
cba1661c | 479 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 480 | if (pos->print_names) |
fd3382e8 MD |
481 | fprintf(pos->fp, " stream.event.header ="); |
482 | field_nr_saved = pos->field_nr; | |
483 | pos->field_nr = 0; | |
cba1661c | 484 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 485 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
31262354 MD |
486 | if (ret) |
487 | goto error; | |
fd3382e8 | 488 | pos->field_nr = field_nr_saved; |
31262354 MD |
489 | } |
490 | ||
491 | /* print stream-declared event context */ | |
e28d4618 | 492 | if (stream->stream_event_context) { |
fd3382e8 MD |
493 | if (pos->field_nr++ != 0) |
494 | fprintf(pos->fp, ","); | |
cba1661c | 495 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 496 | if (pos->print_names) |
fd3382e8 MD |
497 | fprintf(pos->fp, " stream.event.context ="); |
498 | field_nr_saved = pos->field_nr; | |
499 | pos->field_nr = 0; | |
cba1661c | 500 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 501 | ret = generic_rw(ppos, &stream->stream_event_context->p); |
31262354 MD |
502 | if (ret) |
503 | goto error; | |
fd3382e8 | 504 | pos->field_nr = field_nr_saved; |
31262354 MD |
505 | } |
506 | ||
507 | /* print event-declared event context */ | |
e28d4618 | 508 | if (event->event_context) { |
fd3382e8 MD |
509 | if (pos->field_nr++ != 0) |
510 | fprintf(pos->fp, ","); | |
cba1661c | 511 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 512 | if (pos->print_names) |
fd3382e8 MD |
513 | fprintf(pos->fp, " event.context ="); |
514 | field_nr_saved = pos->field_nr; | |
515 | pos->field_nr = 0; | |
cba1661c | 516 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 517 | ret = generic_rw(ppos, &event->event_context->p); |
31262354 MD |
518 | if (ret) |
519 | goto error; | |
fd3382e8 | 520 | pos->field_nr = field_nr_saved; |
31262354 MD |
521 | } |
522 | ||
523 | /* Read and print event payload */ | |
e28d4618 | 524 | if (event->event_fields) { |
fd3382e8 MD |
525 | if (pos->field_nr++ != 0) |
526 | fprintf(pos->fp, ","); | |
cba1661c | 527 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 528 | if (pos->print_names) |
fd3382e8 MD |
529 | fprintf(pos->fp, " event.fields ="); |
530 | field_nr_saved = pos->field_nr; | |
531 | pos->field_nr = 0; | |
cba1661c | 532 | set_field_names_print(pos, ITEM_PAYLOAD); |
e28d4618 | 533 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
534 | if (ret) |
535 | goto error; | |
fd3382e8 | 536 | pos->field_nr = field_nr_saved; |
31262354 | 537 | } |
fd3382e8 | 538 | /* newline */ |
31262354 | 539 | fprintf(pos->fp, "\n"); |
fd3382e8 | 540 | pos->field_nr = 0; |
31262354 MD |
541 | |
542 | return 0; | |
543 | ||
544 | error: | |
3394d22e | 545 | 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 |
546 | return ret; |
547 | } | |
548 | ||
95febab3 | 549 | static |
5b80ddfb | 550 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 551 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 552 | int whence), FILE *metadata_fp) |
642ec66d MD |
553 | { |
554 | struct ctf_text_stream_pos *pos; | |
555 | FILE *fp; | |
556 | ||
557 | pos = g_new0(struct ctf_text_stream_pos, 1); | |
558 | ||
03798a93 JD |
559 | pos->last_real_timestamp = -1ULL; |
560 | pos->last_cycles_timestamp = -1ULL; | |
642ec66d | 561 | switch (flags & O_ACCMODE) { |
989c73bc | 562 | case O_RDWR: |
b61922b5 | 563 | if (!path) |
6cf7957b MD |
564 | fp = stdout; |
565 | else | |
566 | fp = fopen(path, "w"); | |
642ec66d MD |
567 | if (!fp) |
568 | goto error; | |
569 | pos->fp = fp; | |
570 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 571 | pos->parent.event_cb = ctf_text_write_event; |
cba1661c | 572 | pos->print_names = 0; |
642ec66d MD |
573 | break; |
574 | case O_RDONLY: | |
575 | default: | |
3394d22e | 576 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
642ec66d MD |
577 | goto error; |
578 | } | |
579 | ||
580 | return &pos->trace_descriptor; | |
581 | error: | |
582 | g_free(pos); | |
583 | return NULL; | |
584 | } | |
585 | ||
95febab3 | 586 | static |
f824ae04 | 587 | int ctf_text_close_trace(struct trace_descriptor *td) |
642ec66d | 588 | { |
f824ae04 | 589 | int ret; |
642ec66d MD |
590 | struct ctf_text_stream_pos *pos = |
591 | container_of(td, struct ctf_text_stream_pos, trace_descriptor); | |
f824ae04 MD |
592 | ret = fclose(pos->fp); |
593 | if (ret) { | |
594 | perror("Error on fclose"); | |
595 | return -1; | |
596 | } | |
642ec66d | 597 | g_free(pos); |
f824ae04 | 598 | return 0; |
642ec66d MD |
599 | } |
600 | ||
95febab3 | 601 | static |
642ec66d MD |
602 | void __attribute__((constructor)) ctf_text_init(void) |
603 | { | |
604 | int ret; | |
605 | ||
606 | ctf_text_format.name = g_quark_from_static_string("text"); | |
607 | ret = bt_register_format(&ctf_text_format); | |
608 | assert(!ret); | |
609 | } | |
610 | ||
95febab3 MD |
611 | static |
612 | void __attribute__((destructor)) ctf_text_exit(void) | |
613 | { | |
614 | bt_unregister_format(&ctf_text_format); | |
615 | } |