Commit | Line | Data |
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9c312311 | 1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Michel Dagenais | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License Version 2 as | |
6 | * published by the Free Software Foundation; | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
16 | * MA 02111-1307, USA. | |
17 | */ | |
18 | ||
4e4d11b3 | 19 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> | |
21 | #endif | |
dc877563 | 22 | |
23 | #include <lttv/traceset.h> | |
3e67c985 | 24 | #include <lttv/iattribute.h> |
7a4bdb54 | 25 | #include <lttv/state.h> |
9a366873 | 26 | #include <lttv/event.h> |
7a4bdb54 | 27 | #include <lttv/hook.h> |
f7afe191 | 28 | #include <stdio.h> |
451aaf27 | 29 | #include <babeltrace/babeltrace.h> |
cbb811b3 | 30 | #include <babeltrace/context.h> |
451aaf27 | 31 | #include <babeltrace/ctf/iterator.h> |
7a4bdb54 | 32 | #include <babeltrace/ctf/events.h> |
3685e022 | 33 | |
34 | /* To traverse a tree recursively */ | |
35 | #include <fcntl.h> | |
36 | #include <fts.h> | |
451aaf27 FD |
37 | /* For the use of realpath*/ |
38 | #include <limits.h> | |
39 | #include <stdlib.h> | |
40 | /* For strcpy*/ | |
41 | #include <string.h> | |
3685e022 | 42 | |
dc877563 | 43 | /* A trace is a sequence of events gathered in the same tracing session. The |
44 | events may be stored in several tracefiles in the same directory. | |
45 | A trace set is defined when several traces are to be analyzed together, | |
46 | possibly to study the interactions between events in the different traces. | |
47 | */ | |
48 | ||
dc877563 | 49 | |
7a4bdb54 | 50 | LttvTraceset *lttv_traceset_new(void) |
dc877563 | 51 | { |
9a366873 FD |
52 | LttvTraceset *ts; |
53 | struct bt_iter_pos begin_pos; | |
dc877563 | 54 | |
9a366873 FD |
55 | ts = g_new(LttvTraceset, 1); |
56 | ts->filename = NULL; | |
57 | ts->traces = g_ptr_array_new(); | |
58 | ts->context = bt_context_create(); | |
59 | ts->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
7a4bdb54 YB |
60 | //TODO remove this when we have really mecanism |
61 | //s->tmpState = g_new(LttvTraceState *, 1); | |
62 | //lttv_trace_state_init(s->tmpState,0); | |
7a4bdb54 | 63 | |
9a366873 FD |
64 | /*Initialize iterator to the beginning of the traces*/ |
65 | begin_pos.type = BT_SEEK_BEGIN; | |
66 | ts->iter = bt_ctf_iter_create(ts->context, &begin_pos, NULL); | |
7a4bdb54 | 67 | |
9a366873 FD |
68 | ts->event_hooks = lttv_hooks_new(); |
69 | ||
70 | ts->state_trace_handle_index = g_ptr_array_new(); | |
71 | ||
72 | return ts; | |
dc877563 | 73 | } |
74 | ||
49bf71b5 | 75 | char * lttv_traceset_name(LttvTraceset * s) |
76 | { | |
90e19f82 | 77 | return s->filename; |
49bf71b5 | 78 | } |
79 | ||
2bc1bcfb | 80 | #ifdef BABEL_CLEANUP |
81 | LttvTrace *lttv_trace_new(LttTrace *t) | |
308711e5 | 82 | { |
90e19f82 | 83 | LttvTrace *new_trace; |
308711e5 | 84 | |
90e19f82 AM |
85 | new_trace = g_new(LttvTrace, 1); |
86 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
2bc1bcfb | 87 | new_trace->id = t; |
90e19f82 AM |
88 | new_trace->ref_count = 0; |
89 | return new_trace; | |
308711e5 | 90 | } |
2bc1bcfb | 91 | #endif |
451aaf27 FD |
92 | /* |
93 | * get_absolute_pathname : Return the unique pathname in the system | |
94 | * | |
95 | * pathname is the relative path. | |
96 | * | |
97 | * abs_pathname is being set to the absolute path. | |
98 | * | |
99 | */ | |
100 | void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname) | |
101 | { | |
102 | abs_pathname[0] = '\0'; | |
103 | ||
104 | if (realpath(pathname, abs_pathname) != NULL) | |
105 | return; | |
106 | else | |
107 | { | |
108 | /* error, return the original path unmodified */ | |
109 | strcpy(abs_pathname, pathname); | |
110 | return; | |
111 | } | |
112 | return; | |
113 | } | |
114 | ||
115 | ||
308711e5 | 116 | |
2bc1bcfb | 117 | /* |
118 | * lttv_trace_create : Create a trace from a path | |
119 | * | |
120 | * ts is the traceset in which will be contained the trace | |
121 | * | |
122 | * path is the path where to find a trace. It is not recursive. | |
123 | * | |
124 | * This function is static since a trace should always be contained in a | |
125 | * traceset. | |
126 | * | |
127 | * return the created trace or NULL on failure | |
128 | */ | |
129 | static LttvTrace *lttv_trace_create(LttvTraceset *ts, const char *path) | |
130 | { | |
9a366873 FD |
131 | int id = bt_context_add_trace(lttv_traceset_get_context(ts), |
132 | path, | |
133 | "ctf", | |
134 | NULL, | |
135 | NULL, | |
136 | NULL); | |
137 | if (id < 0) { | |
138 | return NULL; | |
139 | } | |
140 | // Create the trace and save the trace handle id returned by babeltrace | |
141 | LttvTrace *new_trace; | |
2bc1bcfb | 142 | |
9a366873 FD |
143 | new_trace = g_new(LttvTrace, 1); |
144 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
145 | new_trace->id = id; | |
146 | new_trace->ref_count = 0; | |
147 | new_trace->traceset = ts; | |
148 | new_trace->state = g_new(LttvTraceState,1); | |
149 | lttv_trace_state_init(new_trace->state,new_trace); | |
115c78c2 | 150 | |
9a366873 FD |
151 | /* Add the state to the trace_handle to state index */ |
152 | g_ptr_array_set_size(ts->state_trace_handle_index,id+1); | |
153 | g_ptr_array_index(ts->state_trace_handle_index,id) = new_trace->state; | |
115c78c2 | 154 | |
9a366873 | 155 | return new_trace; |
2bc1bcfb | 156 | } |
157 | ||
158 | /* | |
159 | * lttv_trace_create : Create and add a single trace to a traceset | |
160 | * | |
161 | * ts is the traceset in which will be contained the trace | |
162 | * | |
163 | * path is the path where to find a trace. It is not recursive. | |
164 | * | |
165 | * return a positive integer (>=0)on success or -1 on failure | |
166 | */ | |
167 | static int lttv_traceset_create_trace(LttvTraceset *ts, const char *path) | |
168 | { | |
9a366873 FD |
169 | LttvTrace *trace = lttv_trace_create(ts, path); |
170 | if (trace == NULL) { | |
171 | return -1; | |
172 | } | |
173 | lttv_traceset_add(ts, trace); | |
174 | return 0; | |
2bc1bcfb | 175 | } |
308711e5 | 176 | |
f7afe191 | 177 | LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig) |
178 | { | |
90e19f82 AM |
179 | guint i; |
180 | LttvTraceset *s; | |
181 | LttvTrace * trace; | |
f7afe191 | 182 | |
90e19f82 AM |
183 | s = g_new(LttvTraceset, 1); |
184 | s->filename = NULL; | |
185 | s->traces = g_ptr_array_new(); | |
115c78c2 | 186 | s->state_trace_handle_index = g_ptr_array_new(); |
90e19f82 AM |
187 | for(i=0;i<s_orig->traces->len;i++) |
188 | { | |
189 | trace = g_ptr_array_index(s_orig->traces, i); | |
190 | trace->ref_count++; | |
2176f952 | 191 | |
7a4bdb54 | 192 | /* WARNING: this is an alias, not a copy. */ |
90e19f82 | 193 | g_ptr_array_add(s->traces, trace); |
115c78c2 YB |
194 | |
195 | g_ptr_array_set_size(s->state_trace_handle_index,trace->id+1); | |
196 | g_ptr_array_index(s->state_trace_handle_index,trace->id) = trace->state; | |
197 | ||
90e19f82 | 198 | } |
cbb811b3 YB |
199 | s->context = s_orig->context; |
200 | bt_context_get(s->context); | |
90e19f82 AM |
201 | s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a))); |
202 | return s; | |
f7afe191 | 203 | } |
dc877563 | 204 | |
f7afe191 | 205 | |
206 | LttvTraceset *lttv_traceset_load(const gchar *filename) | |
207 | { | |
90e19f82 AM |
208 | LttvTraceset *s = g_new(LttvTraceset,1); |
209 | FILE *tf; | |
f7afe191 | 210 | |
90e19f82 AM |
211 | s->filename = g_strdup(filename); |
212 | tf = fopen(filename,"r"); | |
213 | ||
214 | g_critical("NOT IMPLEMENTED : load traceset data from a XML file"); | |
215 | ||
216 | fclose(tf); | |
217 | return s; | |
f7afe191 | 218 | } |
219 | ||
220 | gint lttv_traceset_save(LttvTraceset *s) | |
221 | { | |
90e19f82 | 222 | FILE *tf; |
f7afe191 | 223 | |
90e19f82 | 224 | tf = fopen(s->filename, "w"); |
f7afe191 | 225 | |
90e19f82 AM |
226 | g_critical("NOT IMPLEMENTED : save traceset data in a XML file"); |
227 | ||
228 | fclose(tf); | |
229 | return 0; | |
f7afe191 | 230 | } |
308711e5 | 231 | |
ba576a78 | 232 | void lttv_traceset_destroy(LttvTraceset *s) |
dc877563 | 233 | { |
90e19f82 | 234 | guint i; |
5e2c04a2 | 235 | |
90e19f82 AM |
236 | for(i=0;i<s->traces->len;i++) { |
237 | LttvTrace *trace = g_ptr_array_index(s->traces, i); | |
238 | lttv_trace_unref(trace); | |
2bc1bcfb | 239 | // todo mdenis 2012-03-27: uncomment when babeltrace gets fixed |
240 | //bt_context_remove_trace(lttv_traceset_get_context(s), trace->id); | |
90e19f82 AM |
241 | if(lttv_trace_get_ref_number(trace) == 0) |
242 | lttv_trace_destroy(trace); | |
243 | } | |
244 | g_ptr_array_free(s->traces, TRUE); | |
cbb811b3 | 245 | bt_context_put(s->context); |
90e19f82 AM |
246 | g_object_unref(s->a); |
247 | g_free(s); | |
dc877563 | 248 | } |
249 | ||
922581a4 YB |
250 | struct bt_context *lttv_traceset_get_context(LttvTraceset *s) |
251 | { | |
252 | return s->context; | |
253 | } | |
254 | ||
7a4bdb54 YB |
255 | LttvTraceset *lttv_trace_get_traceset(LttvTrace *trace) |
256 | { | |
257 | return trace->traceset; | |
258 | } | |
259 | ||
260 | LttvHooks *lttv_traceset_get_hooks(LttvTraceset *s) | |
261 | { | |
262 | return s->event_hooks; | |
263 | } | |
264 | ||
308711e5 | 265 | void lttv_trace_destroy(LttvTrace *t) |
266 | { | |
90e19f82 AM |
267 | g_object_unref(t->a); |
268 | g_free(t); | |
308711e5 | 269 | } |
270 | ||
308711e5 | 271 | void lttv_traceset_add(LttvTraceset *s, LttvTrace *t) |
dc877563 | 272 | { |
90e19f82 AM |
273 | t->ref_count++; |
274 | g_ptr_array_add(s->traces, t); | |
dc877563 | 275 | } |
276 | ||
3685e022 | 277 | int lttv_traceset_add_path(LttvTraceset *ts, char *trace_path) |
2bc1bcfb | 278 | { |
3685e022 | 279 | FTS *tree; |
280 | FTSENT *node; | |
281 | char * const paths[2] = { trace_path, NULL }; | |
282 | int ret = -1; | |
861fbe5f FD |
283 | |
284 | gboolean metaFileFound = FALSE; | |
451aaf27 | 285 | |
3685e022 | 286 | tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); |
287 | if (tree == NULL) { | |
288 | g_warning("Cannot traverse \"%s\" for reading.\n", | |
289 | trace_path); | |
290 | return ret; | |
291 | } | |
292 | ||
293 | int dirfd, metafd; | |
294 | while ((node = fts_read(tree))) { | |
295 | ||
296 | if (!(node->fts_info & FTS_D)) | |
297 | continue; | |
298 | ||
299 | dirfd = open(node->fts_accpath, 0); | |
300 | if (dirfd < 0) { | |
301 | g_warning("Unable to open trace " | |
302 | "directory file descriptor : %s.", node->fts_accpath); | |
303 | ret = dirfd; | |
304 | goto error; | |
305 | } | |
306 | ||
307 | // Check if a metadata file exists in the current directory | |
308 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
309 | if (metafd < 0) { | |
310 | ret = close(dirfd); | |
311 | if (ret < 0) { | |
312 | g_warning("Unable to open metadata " | |
313 | "file descriptor : %s.", node->fts_accpath); | |
314 | goto error; | |
315 | } | |
316 | } else { | |
317 | ret = close(metafd); | |
318 | if (ret < 0) { | |
319 | g_warning("Unable to close metadata " | |
320 | "file descriptor : %s.", node->fts_accpath); | |
321 | goto error; | |
322 | } | |
323 | ret = close(dirfd); | |
324 | if (ret < 0) { | |
325 | g_warning("Unable to close trace " | |
326 | "directory file descriptor : %s.", node->fts_accpath); | |
327 | goto error; | |
328 | } | |
329 | ||
330 | ret = lttv_traceset_create_trace(ts, node->fts_accpath); | |
331 | if (ret < 0) { | |
332 | g_warning("Opening trace \"%s\" from %s " | |
333 | "for reading.", node->fts_accpath, trace_path); | |
334 | goto error; | |
335 | } | |
861fbe5f | 336 | metaFileFound = TRUE; |
3685e022 | 337 | } |
338 | } | |
339 | ||
340 | error: | |
341 | ret = fts_close(tree); | |
342 | if (ret < 0) { | |
343 | g_warning("Unable to close tree " | |
344 | "file descriptor : %s.", trace_path); | |
345 | } | |
861fbe5f FD |
346 | if(metaFileFound) |
347 | return ret; | |
348 | else | |
349 | return -1; | |
2bc1bcfb | 350 | } |
dc877563 | 351 | |
861fbe5f | 352 | |
dc877563 | 353 | unsigned lttv_traceset_number(LttvTraceset *s) |
354 | { | |
90e19f82 | 355 | return s->traces->len; |
dc877563 | 356 | } |
357 | ||
358 | ||
308711e5 | 359 | LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i) |
dc877563 | 360 | { |
90e19f82 AM |
361 | g_assert(s->traces->len > i); |
362 | return ((LttvTrace *)s->traces->pdata[i]); | |
dc877563 | 363 | } |
364 | ||
365 | ||
ba576a78 | 366 | void lttv_traceset_remove(LttvTraceset *s, unsigned i) |
dc877563 | 367 | { |
90e19f82 AM |
368 | LttvTrace * t; |
369 | g_assert(s->traces->len > i); | |
370 | t = (LttvTrace *)s->traces->pdata[i]; | |
371 | t->ref_count--; | |
2bc1bcfb | 372 | bt_context_remove_trace(lttv_traceset_get_context(s), t->id); |
90e19f82 | 373 | g_ptr_array_remove_index(s->traces, i); |
dc877563 | 374 | } |
375 | ||
376 | ||
377 | /* A set of attributes is attached to each trace set, trace and tracefile | |
90e19f82 | 378 | to store user defined data as needed. */ |
dc877563 | 379 | |
380 | LttvAttribute *lttv_traceset_attribute(LttvTraceset *s) | |
381 | { | |
90e19f82 | 382 | return s->a; |
dc877563 | 383 | } |
384 | ||
385 | ||
308711e5 | 386 | LttvAttribute *lttv_trace_attribute(LttvTrace *t) |
387 | { | |
90e19f82 | 388 | return t->a; |
308711e5 | 389 | } |
390 | ||
2bc1bcfb | 391 | |
392 | gint lttv_trace_get_id(LttvTrace *t) | |
393 | { | |
9a366873 | 394 | return t->id; |
2bc1bcfb | 395 | } |
308711e5 | 396 | |
2176f952 | 397 | guint lttv_trace_get_ref_number(LttvTrace * t) |
398 | { | |
2bc1bcfb | 399 | // todo mdenis: adapt to babeltrace |
90e19f82 | 400 | return t->ref_count; |
2176f952 | 401 | } |
a43d67ba | 402 | |
403 | guint lttv_trace_ref(LttvTrace * t) | |
404 | { | |
90e19f82 AM |
405 | t->ref_count++; |
406 | ||
407 | return t->ref_count; | |
a43d67ba | 408 | } |
409 | ||
410 | guint lttv_trace_unref(LttvTrace * t) | |
411 | { | |
90e19f82 AM |
412 | if(likely(t->ref_count > 0)) |
413 | t->ref_count--; | |
a43d67ba | 414 | |
90e19f82 | 415 | return t->ref_count; |
a43d67ba | 416 | } |
417 | ||
7a4bdb54 YB |
418 | guint lttv_trace_get_num_cpu(LttvTrace *t) |
419 | { | |
420 | #warning "TODO - Set the right number of CPU" | |
421 | return 24; | |
422 | } | |
423 | ||
68573dd0 | 424 | LttvTracesetPosition *lttv_traceset_create_current_position(LttvTraceset *traceset) |
7a4bdb54 | 425 | { |
3d1e7ee5 YB |
426 | LttvTracesetPosition *traceset_pos; |
427 | ||
428 | traceset_pos = g_new(LttvTracesetPosition, 1); | |
429 | ||
9a366873 | 430 | /* Check if the new passed */ |
3d1e7ee5 YB |
431 | if(traceset_pos == NULL) { |
432 | return NULL; | |
433 | } | |
434 | ||
435 | traceset_pos->iter = traceset->iter; | |
436 | traceset_pos->bt_pos = bt_iter_get_pos(bt_ctf_get_iter(traceset->iter)); | |
437 | ||
438 | return traceset_pos; | |
7a4bdb54 YB |
439 | } |
440 | ||
9a366873 FD |
441 | LttvTracesetPosition *lttv_traceset_create_time_position(LttvTraceset *traceset, |
442 | LttTime timestamp) | |
443 | { | |
444 | LttvTracesetPosition *traceset_pos; | |
445 | ||
446 | traceset_pos = g_new(LttvTracesetPosition, 1); | |
447 | ||
448 | /* Check if the new passed */ | |
449 | if(traceset_pos == NULL) { | |
450 | return NULL; | |
451 | } | |
452 | ||
453 | traceset_pos->iter = traceset->iter; | |
454 | traceset_pos->bt_pos = bt_iter_create_time_pos( | |
455 | bt_ctf_get_iter(traceset_pos->iter), | |
456 | ltt_time_to_uint64(timestamp)); | |
457 | ||
458 | return traceset_pos; | |
459 | } | |
460 | ||
7a4bdb54 YB |
461 | void lttv_traceset_destroy_position(LttvTracesetPosition *traceset_pos) |
462 | { | |
3d1e7ee5 YB |
463 | bt_iter_free_pos(traceset_pos->bt_pos); |
464 | g_free(traceset_pos); | |
7a4bdb54 YB |
465 | } |
466 | ||
9a366873 | 467 | void lttv_traceset_seek_to_position(const LttvTracesetPosition *traceset_pos) |
7a4bdb54 | 468 | { |
9a366873 | 469 | bt_iter_set_pos(bt_ctf_get_iter(traceset_pos->iter), traceset_pos->bt_pos); |
7a4bdb54 YB |
470 | } |
471 | ||
472 | guint lttv_traceset_get_cpuid_from_event(LttvEvent *event) | |
473 | { | |
7a4bdb54 YB |
474 | unsigned long timestamp; |
475 | unsigned int cpu_id; | |
476 | ||
477 | struct bt_ctf_event *ctf_event = event->bt_event; | |
478 | timestamp = bt_ctf_get_timestamp(ctf_event); | |
479 | if (timestamp == -1ULL) { | |
480 | return 0; | |
481 | } | |
9a366873 | 482 | const struct definition *scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT); |
7a4bdb54 YB |
483 | if (bt_ctf_field_get_error()) { |
484 | return 0; | |
485 | } | |
486 | cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(ctf_event, scope, "cpu_id")); | |
487 | if (bt_ctf_field_get_error()) { | |
488 | return 0; | |
489 | } else { | |
490 | return cpu_id; | |
491 | } | |
492 | } | |
9a366873 FD |
493 | |
494 | guint64 lttv_traceset_get_timestamp_first_event(LttvTraceset *ts) | |
495 | { | |
496 | LttvTracesetPosition begin_position; | |
497 | struct bt_iter_pos pos; | |
498 | begin_position.bt_pos = &pos; | |
499 | ||
500 | /* Assign iterator to the beginning of the traces */ | |
501 | begin_position.bt_pos->type = BT_SEEK_BEGIN; | |
502 | begin_position.iter = ts->iter; | |
503 | ||
504 | return lttv_traceset_position_get_timestamp(&begin_position); | |
505 | } | |
506 | ||
451aaf27 FD |
507 | /* |
508 | * lttv_traceset_get_timestamp_begin : returns the minimum timestamp of | |
509 | * all the traces in the traceset. | |
510 | * | |
511 | */ | |
451aaf27 FD |
512 | guint64 lttv_traceset_get_timestamp_begin(LttvTraceset *traceset) |
513 | { | |
9a366873 FD |
514 | struct bt_context *bt_ctx; |
515 | bt_ctx = lttv_traceset_get_context(traceset); | |
516 | guint64 timestamp_min, timestamp_cur = 0; | |
517 | int i; | |
518 | int trace_count; | |
519 | LttvTrace *currentTrace; | |
520 | trace_count = traceset->traces->len; | |
521 | if(trace_count == 0) | |
522 | timestamp_min = 0; | |
523 | else{ | |
524 | timestamp_min = G_MAXUINT64; | |
525 | for(i = 0; i < trace_count;i++) | |
526 | { | |
527 | currentTrace = g_ptr_array_index(traceset->traces,i); | |
528 | timestamp_cur = bt_trace_handle_get_timestamp_begin(bt_ctx, | |
529 | currentTrace->id); | |
530 | if(timestamp_cur < timestamp_min) | |
531 | timestamp_min = timestamp_cur; | |
532 | } | |
533 | } | |
534 | return timestamp_min; | |
451aaf27 FD |
535 | } |
536 | ||
537 | /* | |
538 | * lttv_traceset_get_timestamp_end: returns the maximum timestamp of | |
539 | * all the traces in the traceset. | |
540 | * | |
541 | */ | |
542 | guint64 lttv_traceset_get_timestamp_end(LttvTraceset *traceset) | |
543 | { | |
9a366873 FD |
544 | struct bt_context *bt_ctx; |
545 | bt_ctx = lttv_traceset_get_context(traceset); | |
546 | guint64 timestamp_max, timestamp_cur = 0; | |
547 | int i; | |
548 | int trace_count; | |
549 | LttvTrace *currentTrace; | |
550 | trace_count = traceset->traces->len; | |
551 | ||
552 | if(trace_count == 0){ | |
553 | timestamp_max = 1; | |
554 | } | |
555 | else{ | |
556 | timestamp_max = 0; | |
557 | for(i =0; i < trace_count;i++) | |
558 | { | |
559 | currentTrace = g_ptr_array_index(traceset->traces,i); | |
560 | timestamp_cur = bt_trace_handle_get_timestamp_end(bt_ctx, | |
561 | currentTrace->id); | |
562 | if(timestamp_cur > timestamp_max){ | |
563 | timestamp_max = timestamp_cur; | |
564 | } | |
565 | } | |
566 | } | |
567 | return timestamp_max; | |
568 | } | |
569 | /* | |
570 | * lttv_traceset_get_time_span_real : return a TimeInterval representing the | |
571 | * minimum timestamp dans le maximum timestamp of the traceset. | |
572 | * | |
573 | */ | |
574 | TimeInterval lttv_traceset_get_time_span_real(LttvTraceset *ts) | |
575 | { | |
576 | TimeInterval time_span; | |
577 | time_span.start_time =ltt_time_from_uint64(lttv_traceset_get_timestamp_first_event(ts)); | |
578 | time_span.end_time = ltt_time_from_uint64(lttv_traceset_get_timestamp_end(ts)); | |
579 | return time_span; | |
9aaa78dc FD |
580 | } |
581 | ||
582 | /* | |
583 | * lttv_traceset_get_time_span : return a TimeInterval representing the | |
584 | * minimum timestamp dans le maximum timestamp of the traceset. | |
585 | * | |
586 | */ | |
587 | TimeInterval lttv_traceset_get_time_span(LttvTraceset *ts) | |
588 | { | |
589 | TimeInterval time_span; | |
9a366873 | 590 | time_span.start_time =ltt_time_from_uint64(lttv_traceset_get_timestamp_begin(ts)); |
9aaa78dc FD |
591 | time_span.end_time = ltt_time_from_uint64(lttv_traceset_get_timestamp_end(ts)); |
592 | return time_span; | |
451aaf27 | 593 | } |
7a4bdb54 YB |
594 | |
595 | const char *lttv_traceset_get_name_from_event(LttvEvent *event) | |
596 | { | |
597 | return bt_ctf_event_name(event->bt_event); | |
598 | } | |
9a366873 FD |
599 | |
600 | guint64 lttv_traceset_position_get_timestamp(const LttvTracesetPosition *pos) | |
601 | { | |
602 | guint64 timestamp = 0; | |
603 | /*We save the current iterator,so we can reassign it after the seek*/ | |
604 | LttvTracesetPosition previous_pos; | |
605 | previous_pos.iter = pos->iter; | |
606 | previous_pos.bt_pos = bt_iter_get_pos(bt_ctf_get_iter(pos->iter)); | |
607 | /* Seek to the new desired position */ | |
608 | lttv_traceset_seek_to_position(pos); | |
609 | /*Read the event*/ | |
610 | struct bt_ctf_event *event = bt_ctf_iter_read_event(pos->iter); | |
611 | ||
612 | if(event != NULL){ | |
613 | timestamp = bt_ctf_get_timestamp_raw(event); | |
614 | } | |
615 | /* Reassign the previously saved position */ | |
616 | lttv_traceset_seek_to_position(&previous_pos); | |
617 | return timestamp; | |
618 | } | |
619 | ||
620 | LttTime lttv_traceset_position_get_time(const LttvTracesetPosition *pos) | |
621 | { | |
622 | return ltt_time_from_uint64(lttv_traceset_position_get_timestamp(pos)); | |
623 | } | |
624 | ||
ff5c41f1 YB |
625 | |
626 | ||
9a366873 FD |
627 | int lttv_traceset_position_compare(const LttvTracesetPosition *pos1, const LttvTracesetPosition *pos2) |
628 | { | |
629 | #warning " TODO :Rename for lttv_traceset_position_equals && Must return COMPARAISON OF THE 2 POSITION && verify if it is the best way to compare position" | |
630 | if(pos1 == NULL || pos2 == NULL){ | |
631 | return -1; | |
632 | } | |
633 | ||
634 | guint64 timeStampPos1,timeStampPos2; | |
635 | guint cpuId1, cpuId2; | |
636 | LttvEvent event1, event2; | |
637 | int ret; | |
638 | ||
639 | timeStampPos1 = lttv_traceset_position_get_timestamp(pos1); | |
640 | timeStampPos2 = lttv_traceset_position_get_timestamp(pos2); | |
641 | ||
642 | event1.bt_event = bt_ctf_iter_read_event(pos1->iter); | |
643 | event2.bt_event = bt_ctf_iter_read_event(pos2->iter); | |
644 | ||
645 | if(event1.bt_event == NULL || event2.bt_event == NULL){ | |
646 | return -1; | |
647 | } | |
648 | ||
649 | cpuId1 = lttv_traceset_get_cpuid_from_event(&event1); | |
650 | cpuId2 = lttv_traceset_get_cpuid_from_event(&event2); | |
651 | ||
652 | if(timeStampPos1 == timeStampPos2 && cpuId1 == cpuId2){ | |
653 | return 0; | |
654 | } | |
655 | else{ | |
656 | return 1; | |
657 | } | |
658 | } | |
ff5c41f1 YB |
659 | |
660 | int lttv_traceset_position_time_compare(const LttvTracesetPosition *pos1, | |
661 | const LttvTracesetPosition *pos2) | |
662 | { | |
663 | guint64 timeStampPos1,timeStampPos2; | |
664 | ||
665 | timeStampPos1 = lttv_traceset_position_get_timestamp(pos1); | |
666 | timeStampPos2 = lttv_traceset_position_get_timestamp(pos2); | |
667 | ||
668 | return timeStampPos1 - timeStampPos2; | |
669 | } | |
670 | int lttv_traceset_position_compare_current(const LttvTraceset *ts, | |
671 | const LttvTracesetPosition *pos) | |
672 | { | |
673 | int result = 0; | |
674 | LttvTracesetPosition *curPos = lttv_traceset_create_current_position(ts); | |
675 | ||
676 | result = lttv_traceset_position_compare(curPos,pos); | |
677 | ||
678 | lttv_traceset_destroy_position(curPos); | |
679 | ||
680 | return result; | |
681 | } | |
682 | ||
683 | LttTime lttv_traceset_get_current_time(const LttvTraceset *ts) | |
684 | { | |
685 | LttvTracesetPosition *curPos = lttv_traceset_create_current_position(ts); | |
686 | guint64 currentTimestamp = lttv_traceset_position_get_timestamp(curPos); | |
687 | lttv_traceset_destroy_position(curPos); | |
688 | ||
689 | return ltt_time_from_uint64(currentTimestamp); | |
690 | } |