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> | |
451aaf27 FD |
36 | /* For the use of realpath*/ |
37 | #include <limits.h> | |
38 | #include <stdlib.h> | |
39 | /* For strcpy*/ | |
40 | #include <string.h> | |
9b55aba0 YB |
41 | #include <errno.h> |
42 | #include <dirent.h> | |
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; | |
8284135e | 57 | ts->common_path = NULL; |
9a366873 FD |
58 | ts->traces = g_ptr_array_new(); |
59 | ts->context = bt_context_create(); | |
60 | ts->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
7a4bdb54 | 61 | |
9a366873 FD |
62 | /*Initialize iterator to the beginning of the traces*/ |
63 | begin_pos.type = BT_SEEK_BEGIN; | |
64 | ts->iter = bt_ctf_iter_create(ts->context, &begin_pos, NULL); | |
7a4bdb54 | 65 | |
9a366873 FD |
66 | ts->event_hooks = lttv_hooks_new(); |
67 | ||
68 | ts->state_trace_handle_index = g_ptr_array_new(); | |
58b4e4ae | 69 | ts->has_precomputed_states = FALSE; |
9a366873 | 70 | |
eda74fe8 FD |
71 | ts->time_span.start_time = ltt_time_zero; |
72 | ts->time_span.end_time = ltt_time_zero; | |
762e15b0 | 73 | lttv_traceset_get_time_span_real(ts); |
9a366873 | 74 | return ts; |
dc877563 | 75 | } |
76 | ||
49bf71b5 | 77 | char * lttv_traceset_name(LttvTraceset * s) |
78 | { | |
90e19f82 | 79 | return s->filename; |
49bf71b5 | 80 | } |
81 | ||
2bc1bcfb | 82 | #ifdef BABEL_CLEANUP |
83 | LttvTrace *lttv_trace_new(LttTrace *t) | |
308711e5 | 84 | { |
90e19f82 | 85 | LttvTrace *new_trace; |
308711e5 | 86 | |
90e19f82 AM |
87 | new_trace = g_new(LttvTrace, 1); |
88 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
2bc1bcfb | 89 | new_trace->id = t; |
90e19f82 AM |
90 | new_trace->ref_count = 0; |
91 | return new_trace; | |
308711e5 | 92 | } |
2bc1bcfb | 93 | #endif |
451aaf27 FD |
94 | /* |
95 | * get_absolute_pathname : Return the unique pathname in the system | |
96 | * | |
97 | * pathname is the relative path. | |
98 | * | |
99 | * abs_pathname is being set to the absolute path. | |
100 | * | |
101 | */ | |
102 | void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname) | |
103 | { | |
104 | abs_pathname[0] = '\0'; | |
105 | ||
106 | if (realpath(pathname, abs_pathname) != NULL) | |
107 | return; | |
108 | else | |
109 | { | |
110 | /* error, return the original path unmodified */ | |
111 | strcpy(abs_pathname, pathname); | |
112 | return; | |
113 | } | |
114 | return; | |
115 | } | |
116 | ||
117 | ||
308711e5 | 118 | |
2bc1bcfb | 119 | /* |
120 | * lttv_trace_create : Create a trace from a path | |
121 | * | |
122 | * ts is the traceset in which will be contained the trace | |
123 | * | |
124 | * path is the path where to find a trace. It is not recursive. | |
125 | * | |
126 | * This function is static since a trace should always be contained in a | |
127 | * traceset. | |
128 | * | |
129 | * return the created trace or NULL on failure | |
130 | */ | |
131 | static LttvTrace *lttv_trace_create(LttvTraceset *ts, const char *path) | |
132 | { | |
9a366873 FD |
133 | int id = bt_context_add_trace(lttv_traceset_get_context(ts), |
134 | path, | |
135 | "ctf", | |
136 | NULL, | |
137 | NULL, | |
138 | NULL); | |
139 | if (id < 0) { | |
140 | return NULL; | |
141 | } | |
142 | // Create the trace and save the trace handle id returned by babeltrace | |
143 | LttvTrace *new_trace; | |
2bc1bcfb | 144 | |
9a366873 FD |
145 | new_trace = g_new(LttvTrace, 1); |
146 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
147 | new_trace->id = id; | |
148 | new_trace->ref_count = 0; | |
149 | new_trace->traceset = ts; | |
150 | new_trace->state = g_new(LttvTraceState,1); | |
151 | lttv_trace_state_init(new_trace->state,new_trace); | |
115c78c2 | 152 | |
9a366873 FD |
153 | /* Add the state to the trace_handle to state index */ |
154 | g_ptr_array_set_size(ts->state_trace_handle_index,id+1); | |
155 | g_ptr_array_index(ts->state_trace_handle_index,id) = new_trace->state; | |
115c78c2 | 156 | |
8284135e YB |
157 | /* Find common path */ |
158 | if (ts->common_path == NULL) { | |
159 | ts->common_path = strdup(path); | |
160 | } else { | |
161 | /* TODO ybrosseau 2013-05-24: consider put that in a function */ | |
162 | int i,j; | |
163 | for (i = 0; | |
164 | ts->common_path != '\0'; | |
165 | i++) { | |
166 | if (path[i] != ts->common_path[i]) { | |
167 | /* The common path has changed, redo the other traces */ | |
168 | for(j = 0; j < ts->traces->len; j++) { | |
169 | LttvTrace *t = g_ptr_array_index(ts->traces, j); | |
170 | strncpy(t->short_name, t->full_path+i, TRACE_NAME_SIZE); | |
171 | } | |
172 | ||
173 | break; | |
174 | } | |
175 | } | |
176 | strncpy(new_trace->short_name, path+i, TRACE_NAME_SIZE); | |
177 | } | |
178 | new_trace->full_path = strdup(path); | |
179 | ||
9a366873 | 180 | return new_trace; |
2bc1bcfb | 181 | } |
182 | ||
183 | /* | |
184 | * lttv_trace_create : Create and add a single trace to a traceset | |
185 | * | |
186 | * ts is the traceset in which will be contained the trace | |
187 | * | |
188 | * path is the path where to find a trace. It is not recursive. | |
189 | * | |
190 | * return a positive integer (>=0)on success or -1 on failure | |
191 | */ | |
192 | static int lttv_traceset_create_trace(LttvTraceset *ts, const char *path) | |
193 | { | |
9a366873 FD |
194 | LttvTrace *trace = lttv_trace_create(ts, path); |
195 | if (trace == NULL) { | |
196 | return -1; | |
197 | } | |
198 | lttv_traceset_add(ts, trace); | |
199 | return 0; | |
2bc1bcfb | 200 | } |
308711e5 | 201 | |
f7afe191 | 202 | LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig) |
203 | { | |
90e19f82 AM |
204 | guint i; |
205 | LttvTraceset *s; | |
206 | LttvTrace * trace; | |
f7afe191 | 207 | |
90e19f82 AM |
208 | s = g_new(LttvTraceset, 1); |
209 | s->filename = NULL; | |
8284135e | 210 | s->common_path = strdup(s_orig->common_path); |
90e19f82 | 211 | s->traces = g_ptr_array_new(); |
115c78c2 | 212 | s->state_trace_handle_index = g_ptr_array_new(); |
90e19f82 AM |
213 | for(i=0;i<s_orig->traces->len;i++) |
214 | { | |
215 | trace = g_ptr_array_index(s_orig->traces, i); | |
216 | trace->ref_count++; | |
2176f952 | 217 | |
7a4bdb54 | 218 | /* WARNING: this is an alias, not a copy. */ |
90e19f82 | 219 | g_ptr_array_add(s->traces, trace); |
115c78c2 YB |
220 | |
221 | g_ptr_array_set_size(s->state_trace_handle_index,trace->id+1); | |
222 | g_ptr_array_index(s->state_trace_handle_index,trace->id) = trace->state; | |
223 | ||
90e19f82 | 224 | } |
cbb811b3 YB |
225 | s->context = s_orig->context; |
226 | bt_context_get(s->context); | |
90e19f82 AM |
227 | s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a))); |
228 | return s; | |
f7afe191 | 229 | } |
dc877563 | 230 | |
f7afe191 | 231 | |
232 | LttvTraceset *lttv_traceset_load(const gchar *filename) | |
233 | { | |
90e19f82 AM |
234 | LttvTraceset *s = g_new(LttvTraceset,1); |
235 | FILE *tf; | |
f7afe191 | 236 | |
90e19f82 AM |
237 | s->filename = g_strdup(filename); |
238 | tf = fopen(filename,"r"); | |
239 | ||
240 | g_critical("NOT IMPLEMENTED : load traceset data from a XML file"); | |
241 | ||
242 | fclose(tf); | |
243 | return s; | |
f7afe191 | 244 | } |
245 | ||
246 | gint lttv_traceset_save(LttvTraceset *s) | |
247 | { | |
90e19f82 | 248 | FILE *tf; |
f7afe191 | 249 | |
90e19f82 | 250 | tf = fopen(s->filename, "w"); |
f7afe191 | 251 | |
90e19f82 AM |
252 | g_critical("NOT IMPLEMENTED : save traceset data in a XML file"); |
253 | ||
254 | fclose(tf); | |
255 | return 0; | |
f7afe191 | 256 | } |
308711e5 | 257 | |
ba576a78 | 258 | void lttv_traceset_destroy(LttvTraceset *s) |
dc877563 | 259 | { |
90e19f82 | 260 | guint i; |
5e2c04a2 | 261 | |
90e19f82 AM |
262 | for(i=0;i<s->traces->len;i++) { |
263 | LttvTrace *trace = g_ptr_array_index(s->traces, i); | |
264 | lttv_trace_unref(trace); | |
2bc1bcfb | 265 | // todo mdenis 2012-03-27: uncomment when babeltrace gets fixed |
266 | //bt_context_remove_trace(lttv_traceset_get_context(s), trace->id); | |
90e19f82 AM |
267 | if(lttv_trace_get_ref_number(trace) == 0) |
268 | lttv_trace_destroy(trace); | |
269 | } | |
8284135e | 270 | free(s->common_path); |
90e19f82 | 271 | g_ptr_array_free(s->traces, TRUE); |
cbb811b3 | 272 | bt_context_put(s->context); |
90e19f82 AM |
273 | g_object_unref(s->a); |
274 | g_free(s); | |
dc877563 | 275 | } |
276 | ||
922581a4 YB |
277 | struct bt_context *lttv_traceset_get_context(LttvTraceset *s) |
278 | { | |
279 | return s->context; | |
280 | } | |
281 | ||
7a4bdb54 YB |
282 | LttvTraceset *lttv_trace_get_traceset(LttvTrace *trace) |
283 | { | |
284 | return trace->traceset; | |
285 | } | |
286 | ||
287 | LttvHooks *lttv_traceset_get_hooks(LttvTraceset *s) | |
288 | { | |
289 | return s->event_hooks; | |
290 | } | |
291 | ||
308711e5 | 292 | void lttv_trace_destroy(LttvTrace *t) |
293 | { | |
8284135e | 294 | free(t->full_path); |
90e19f82 AM |
295 | g_object_unref(t->a); |
296 | g_free(t); | |
308711e5 | 297 | } |
298 | ||
308711e5 | 299 | void lttv_traceset_add(LttvTraceset *s, LttvTrace *t) |
dc877563 | 300 | { |
90e19f82 AM |
301 | t->ref_count++; |
302 | g_ptr_array_add(s->traces, t); | |
dc877563 | 303 | } |
304 | ||
8284135e YB |
305 | int lttv_traceset_get_trace_index_from_event(LttvEvent *event) |
306 | { | |
307 | LttvTraceset *ts = event->state->trace->traceset; | |
308 | ||
309 | return lttv_traceset_get_trace_index_from_handle_id(ts, bt_ctf_event_get_handle_id(event->bt_event)); | |
310 | } | |
311 | ||
312 | int lttv_traceset_get_trace_index_from_handle_id(LttvTraceset *ts, int handle_id) | |
313 | { | |
314 | int i; | |
315 | ||
316 | /* TODO ybrosseau 2013-05-22: use a map to speedup the lookup */ | |
317 | ||
318 | for(i = 0; i < ts->traces->len; i++) { | |
319 | LttvTrace *t = g_ptr_array_index(ts->traces, i); | |
320 | if (t && t->id == handle_id) { | |
321 | return i; | |
322 | } | |
323 | } | |
324 | ||
325 | /* Handle id not found */ | |
326 | return -1; | |
327 | ||
328 | } | |
329 | ||
3685e022 | 330 | int lttv_traceset_add_path(LttvTraceset *ts, char *trace_path) |
2bc1bcfb | 331 | { |
3685e022 | 332 | int ret = -1; |
9b55aba0 | 333 | DIR *curdir = NULL; |
861fbe5f | 334 | gboolean metaFileFound = FALSE; |
9b55aba0 YB |
335 | |
336 | /* Open top level directory */ | |
337 | curdir = opendir(trace_path); | |
338 | if (curdir == NULL) { | |
339 | g_warning("Cannot open directory %s (%s)", trace_path, strerror(errno)); | |
3685e022 | 340 | return ret; |
341 | } | |
342 | ||
9b55aba0 YB |
343 | // Check if a metadata file exists in the current directory |
344 | int metafd = openat(dirfd(curdir), "metadata", O_RDONLY); | |
345 | if (metafd < 0) { | |
346 | ||
347 | } else { | |
348 | ret = close(metafd); | |
349 | if (ret < 0) { | |
350 | g_warning("Unable to close metadata " | |
351 | "file descriptor : %s.", trace_path); | |
3685e022 | 352 | goto error; |
353 | } | |
9b55aba0 YB |
354 | |
355 | ret = lttv_traceset_create_trace(ts, trace_path); | |
356 | if (ret < 0) { | |
357 | g_warning("Opening trace \"%s\" " | |
358 | "for reading.", trace_path); | |
359 | goto error; | |
360 | } | |
361 | metaFileFound = TRUE; | |
362 | } | |
3685e022 | 363 | |
9b55aba0 YB |
364 | struct dirent curentry; |
365 | struct dirent *resultentry; | |
366 | while ((ret = readdir_r(curdir, &curentry, &resultentry)) == 0) { | |
367 | if (resultentry == NULL) { | |
368 | /* No more entry*/ | |
369 | break; | |
370 | } | |
371 | if (curentry.d_name[0] != '.') { | |
372 | if (curentry.d_type == DT_DIR) { | |
373 | ||
374 | char curpath[PATH_MAX]; | |
375 | snprintf(curpath, PATH_MAX, "%s/%s", trace_path, curentry.d_name); | |
376 | ret = lttv_traceset_add_path(ts, curpath); | |
377 | if (ret >= 0) { | |
378 | metaFileFound = TRUE; | |
379 | } | |
3685e022 | 380 | } |
381 | } | |
382 | } | |
383 | ||
9b55aba0 YB |
384 | if (ret != 0) { |
385 | g_warning("Invalid readdir"); | |
386 | } | |
387 | ||
3685e022 | 388 | error: |
861fbe5f FD |
389 | if(metaFileFound) |
390 | return ret; | |
391 | else | |
392 | return -1; | |
2bc1bcfb | 393 | } |
dc877563 | 394 | |
395 | unsigned lttv_traceset_number(LttvTraceset *s) | |
396 | { | |
90e19f82 | 397 | return s->traces->len; |
dc877563 | 398 | } |
399 | ||
400 | ||
308711e5 | 401 | LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i) |
dc877563 | 402 | { |
90e19f82 AM |
403 | g_assert(s->traces->len > i); |
404 | return ((LttvTrace *)s->traces->pdata[i]); | |
dc877563 | 405 | } |
406 | ||
407 | ||
ba576a78 | 408 | void lttv_traceset_remove(LttvTraceset *s, unsigned i) |
dc877563 | 409 | { |
90e19f82 AM |
410 | LttvTrace * t; |
411 | g_assert(s->traces->len > i); | |
412 | t = (LttvTrace *)s->traces->pdata[i]; | |
413 | t->ref_count--; | |
2bc1bcfb | 414 | bt_context_remove_trace(lttv_traceset_get_context(s), t->id); |
90e19f82 | 415 | g_ptr_array_remove_index(s->traces, i); |
dc877563 | 416 | } |
417 | ||
418 | ||
419 | /* A set of attributes is attached to each trace set, trace and tracefile | |
90e19f82 | 420 | to store user defined data as needed. */ |
dc877563 | 421 | |
422 | LttvAttribute *lttv_traceset_attribute(LttvTraceset *s) | |
423 | { | |
90e19f82 | 424 | return s->a; |
dc877563 | 425 | } |
426 | ||
427 | ||
308711e5 | 428 | LttvAttribute *lttv_trace_attribute(LttvTrace *t) |
429 | { | |
90e19f82 | 430 | return t->a; |
308711e5 | 431 | } |
432 | ||
2bc1bcfb | 433 | |
434 | gint lttv_trace_get_id(LttvTrace *t) | |
435 | { | |
9a366873 | 436 | return t->id; |
2bc1bcfb | 437 | } |
308711e5 | 438 | |
2176f952 | 439 | guint lttv_trace_get_ref_number(LttvTrace * t) |
440 | { | |
2bc1bcfb | 441 | // todo mdenis: adapt to babeltrace |
90e19f82 | 442 | return t->ref_count; |
2176f952 | 443 | } |
a43d67ba | 444 | |
445 | guint lttv_trace_ref(LttvTrace * t) | |
446 | { | |
90e19f82 AM |
447 | t->ref_count++; |
448 | ||
449 | return t->ref_count; | |
a43d67ba | 450 | } |
451 | ||
452 | guint lttv_trace_unref(LttvTrace * t) | |
453 | { | |
90e19f82 AM |
454 | if(likely(t->ref_count > 0)) |
455 | t->ref_count--; | |
a43d67ba | 456 | |
90e19f82 | 457 | return t->ref_count; |
a43d67ba | 458 | } |
459 | ||
7a4bdb54 YB |
460 | guint lttv_trace_get_num_cpu(LttvTrace *t) |
461 | { | |
462 | #warning "TODO - Set the right number of CPU" | |
463 | return 24; | |
464 | } | |
465 | ||
68573dd0 | 466 | LttvTracesetPosition *lttv_traceset_create_current_position(LttvTraceset *traceset) |
7a4bdb54 | 467 | { |
3d1e7ee5 YB |
468 | LttvTracesetPosition *traceset_pos; |
469 | ||
470 | traceset_pos = g_new(LttvTracesetPosition, 1); | |
471 | ||
9a366873 | 472 | /* Check if the new passed */ |
3d1e7ee5 YB |
473 | if(traceset_pos == NULL) { |
474 | return NULL; | |
475 | } | |
476 | ||
477 | traceset_pos->iter = traceset->iter; | |
478 | traceset_pos->bt_pos = bt_iter_get_pos(bt_ctf_get_iter(traceset->iter)); | |
c73ce169 FD |
479 | traceset_pos->timestamp = G_MAXUINT64; |
480 | traceset_pos->cpu_id = INT_MAX; | |
481 | ||
3d1e7ee5 | 482 | return traceset_pos; |
7a4bdb54 YB |
483 | } |
484 | ||
9a366873 FD |
485 | LttvTracesetPosition *lttv_traceset_create_time_position(LttvTraceset *traceset, |
486 | LttTime timestamp) | |
487 | { | |
488 | LttvTracesetPosition *traceset_pos; | |
489 | ||
490 | traceset_pos = g_new(LttvTracesetPosition, 1); | |
491 | ||
492 | /* Check if the new passed */ | |
493 | if(traceset_pos == NULL) { | |
494 | return NULL; | |
495 | } | |
496 | ||
497 | traceset_pos->iter = traceset->iter; | |
c73ce169 | 498 | traceset_pos->bt_pos = bt_iter_create_time_pos( |
9a366873 FD |
499 | bt_ctf_get_iter(traceset_pos->iter), |
500 | ltt_time_to_uint64(timestamp)); | |
c73ce169 FD |
501 | traceset_pos->timestamp = G_MAXUINT64; |
502 | traceset_pos->cpu_id = INT_MAX; | |
9a366873 FD |
503 | return traceset_pos; |
504 | } | |
505 | ||
7a4bdb54 YB |
506 | void lttv_traceset_destroy_position(LttvTracesetPosition *traceset_pos) |
507 | { | |
3d1e7ee5 YB |
508 | bt_iter_free_pos(traceset_pos->bt_pos); |
509 | g_free(traceset_pos); | |
7a4bdb54 YB |
510 | } |
511 | ||
9a366873 | 512 | void lttv_traceset_seek_to_position(const LttvTracesetPosition *traceset_pos) |
7a4bdb54 | 513 | { |
9a366873 | 514 | bt_iter_set_pos(bt_ctf_get_iter(traceset_pos->iter), traceset_pos->bt_pos); |
7a4bdb54 YB |
515 | } |
516 | ||
517 | guint lttv_traceset_get_cpuid_from_event(LttvEvent *event) | |
518 | { | |
7a4bdb54 YB |
519 | unsigned long timestamp; |
520 | unsigned int cpu_id; | |
521 | ||
522 | struct bt_ctf_event *ctf_event = event->bt_event; | |
523 | timestamp = bt_ctf_get_timestamp(ctf_event); | |
524 | if (timestamp == -1ULL) { | |
525 | return 0; | |
526 | } | |
cfddb03e | 527 | const struct bt_definition *scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT); |
7a4bdb54 YB |
528 | if (bt_ctf_field_get_error()) { |
529 | return 0; | |
530 | } | |
531 | cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(ctf_event, scope, "cpu_id")); | |
532 | if (bt_ctf_field_get_error()) { | |
533 | return 0; | |
534 | } else { | |
535 | return cpu_id; | |
536 | } | |
537 | } | |
9a366873 FD |
538 | |
539 | guint64 lttv_traceset_get_timestamp_first_event(LttvTraceset *ts) | |
540 | { | |
541 | LttvTracesetPosition begin_position; | |
542 | struct bt_iter_pos pos; | |
543 | begin_position.bt_pos = &pos; | |
c73ce169 FD |
544 | begin_position.timestamp = G_MAXUINT64; |
545 | begin_position.cpu_id = INT_MAX; | |
9a366873 FD |
546 | |
547 | /* Assign iterator to the beginning of the traces */ | |
548 | begin_position.bt_pos->type = BT_SEEK_BEGIN; | |
549 | begin_position.iter = ts->iter; | |
550 | ||
551 | return lttv_traceset_position_get_timestamp(&begin_position); | |
552 | } | |
553 | ||
8924e3e4 FD |
554 | guint64 lttv_traceset_get_timestamp_last_event(LttvTraceset *ts) |
555 | { | |
556 | LttvTracesetPosition last_position; | |
557 | struct bt_iter_pos pos; | |
558 | last_position.bt_pos = &pos; | |
559 | last_position.timestamp = G_MAXUINT64; | |
560 | last_position.cpu_id = INT_MAX; | |
c0b8f3e8 | 561 | |
8924e3e4 FD |
562 | /* Assign iterator to the last event of the traces */ |
563 | last_position.bt_pos->type = BT_SEEK_LAST; | |
564 | last_position.iter = ts->iter; | |
c0b8f3e8 | 565 | |
8924e3e4 FD |
566 | return lttv_traceset_position_get_timestamp(&last_position); |
567 | } | |
568 | ||
451aaf27 FD |
569 | /* |
570 | * lttv_traceset_get_timestamp_begin : returns the minimum timestamp of | |
571 | * all the traces in the traceset. | |
572 | * | |
573 | */ | |
451aaf27 FD |
574 | guint64 lttv_traceset_get_timestamp_begin(LttvTraceset *traceset) |
575 | { | |
9a366873 FD |
576 | struct bt_context *bt_ctx; |
577 | bt_ctx = lttv_traceset_get_context(traceset); | |
578 | guint64 timestamp_min, timestamp_cur = 0; | |
579 | int i; | |
580 | int trace_count; | |
581 | LttvTrace *currentTrace; | |
582 | trace_count = traceset->traces->len; | |
583 | if(trace_count == 0) | |
584 | timestamp_min = 0; | |
585 | else{ | |
586 | timestamp_min = G_MAXUINT64; | |
587 | for(i = 0; i < trace_count;i++) | |
588 | { | |
589 | currentTrace = g_ptr_array_index(traceset->traces,i); | |
590 | timestamp_cur = bt_trace_handle_get_timestamp_begin(bt_ctx, | |
762e15b0 FD |
591 | currentTrace->id, |
592 | BT_CLOCK_REAL); | |
9a366873 FD |
593 | if(timestamp_cur < timestamp_min) |
594 | timestamp_min = timestamp_cur; | |
595 | } | |
596 | } | |
597 | return timestamp_min; | |
451aaf27 FD |
598 | } |
599 | ||
600 | /* | |
601 | * lttv_traceset_get_timestamp_end: returns the maximum timestamp of | |
602 | * all the traces in the traceset. | |
603 | * | |
604 | */ | |
605 | guint64 lttv_traceset_get_timestamp_end(LttvTraceset *traceset) | |
606 | { | |
9a366873 FD |
607 | struct bt_context *bt_ctx; |
608 | bt_ctx = lttv_traceset_get_context(traceset); | |
609 | guint64 timestamp_max, timestamp_cur = 0; | |
610 | int i; | |
611 | int trace_count; | |
612 | LttvTrace *currentTrace; | |
613 | trace_count = traceset->traces->len; | |
614 | ||
615 | if(trace_count == 0){ | |
616 | timestamp_max = 1; | |
617 | } | |
618 | else{ | |
619 | timestamp_max = 0; | |
620 | for(i =0; i < trace_count;i++) | |
621 | { | |
622 | currentTrace = g_ptr_array_index(traceset->traces,i); | |
623 | timestamp_cur = bt_trace_handle_get_timestamp_end(bt_ctx, | |
762e15b0 FD |
624 | currentTrace->id, |
625 | BT_CLOCK_REAL); | |
9a366873 FD |
626 | if(timestamp_cur > timestamp_max){ |
627 | timestamp_max = timestamp_cur; | |
628 | } | |
629 | } | |
630 | } | |
631 | return timestamp_max; | |
632 | } | |
633 | /* | |
634 | * lttv_traceset_get_time_span_real : return a TimeInterval representing the | |
8924e3e4 | 635 | * minimum timestamp and the maximum timestamp of the traceset. |
9a366873 FD |
636 | * |
637 | */ | |
638 | TimeInterval lttv_traceset_get_time_span_real(LttvTraceset *ts) | |
639 | { | |
b9410cf1 | 640 | |
979bddf1 | 641 | |
8924e3e4 | 642 | if(ltt_time_compare(ts->time_span.start_time, |
eda74fe8 | 643 | ltt_time_zero) == 0 && ts->traces->len > 0){ |
8924e3e4 FD |
644 | ts->time_span.start_time = ltt_time_from_uint64( |
645 | lttv_traceset_get_timestamp_first_event(ts)); | |
646 | ts->time_span.end_time = ltt_time_from_uint64( | |
c0b8f3e8 | 647 | lttv_traceset_get_timestamp_last_event(ts)); |
b9410cf1 YB |
648 | } |
649 | return ts->time_span; | |
9aaa78dc FD |
650 | } |
651 | ||
652 | /* | |
653 | * lttv_traceset_get_time_span : return a TimeInterval representing the | |
8924e3e4 | 654 | * minimum timestamp and the maximum timestamp of the traceset. |
9aaa78dc FD |
655 | * |
656 | */ | |
657 | TimeInterval lttv_traceset_get_time_span(LttvTraceset *ts) | |
658 | { | |
eda74fe8 | 659 | if(ltt_time_compare(ts->time_span.start_time, ltt_time_zero) == 0){ |
8924e3e4 FD |
660 | ts->time_span.start_time =ltt_time_from_uint64( |
661 | lttv_traceset_get_timestamp_begin(ts)); | |
662 | ts->time_span.end_time = ltt_time_from_uint64( | |
663 | lttv_traceset_get_timestamp_end(ts)); | |
664 | } | |
665 | return ts->time_span; | |
451aaf27 | 666 | } |
7a4bdb54 YB |
667 | |
668 | const char *lttv_traceset_get_name_from_event(LttvEvent *event) | |
669 | { | |
670 | return bt_ctf_event_name(event->bt_event); | |
671 | } | |
9a366873 | 672 | |
c73ce169 FD |
673 | int set_values_position(const LttvTracesetPosition *pos) |
674 | { | |
675 | LttvTracesetPosition previous_pos; | |
676 | previous_pos.iter = pos->iter; | |
677 | previous_pos.bt_pos = bt_iter_get_pos(bt_ctf_get_iter(pos->iter)); | |
9a366873 | 678 | /* Seek to the new desired position */ |
c73ce169 | 679 | lttv_traceset_seek_to_position(pos); |
9a366873 | 680 | /*Read the event*/ |
c73ce169 FD |
681 | struct bt_ctf_event *event = bt_ctf_iter_read_event(pos->iter); |
682 | ||
9a366873 | 683 | if(event != NULL){ |
762e15b0 | 684 | ((LttvTracesetPosition *)pos)->timestamp = bt_ctf_get_timestamp(event); |
c73ce169 FD |
685 | |
686 | LttvEvent lttv_event; | |
687 | lttv_event.bt_event = event; | |
688 | ((LttvTracesetPosition *)pos)->cpu_id = lttv_traceset_get_cpuid_from_event(<tv_event); | |
689 | } | |
690 | else { | |
691 | /* The event is null */ | |
692 | return 0; | |
9a366873 | 693 | } |
c73ce169 FD |
694 | |
695 | /* Reassign the previously saved position */ | |
696 | lttv_traceset_seek_to_position(&previous_pos); | |
697 | /*We must desallocate because the function bt_iter_get_pos() does a g_new */ | |
698 | bt_iter_free_pos(previous_pos.bt_pos); | |
3200b7f3 YB |
699 | if (pos->timestamp == G_MAXUINT64) { |
700 | return 0; | |
701 | } | |
762e15b0 | 702 | return 1; |
c73ce169 FD |
703 | } |
704 | ||
705 | guint64 lttv_traceset_position_get_timestamp(const LttvTracesetPosition *pos) | |
706 | { | |
707 | if(pos->timestamp == G_MAXUINT64){ | |
708 | if(set_values_position(pos) == 0){ | |
709 | return 0; | |
710 | } | |
711 | } | |
712 | ||
713 | return pos->timestamp; | |
714 | } | |
715 | ||
716 | int lttv_traceset_position_get_cpuid(const LttvTracesetPosition *pos){ | |
717 | if(pos->cpu_id == INT_MAX ){ | |
718 | if(set_values_position(pos) == 0){ | |
719 | return 0; | |
720 | } | |
721 | } | |
722 | return pos->cpu_id; | |
9a366873 FD |
723 | } |
724 | ||
725 | LttTime lttv_traceset_position_get_time(const LttvTracesetPosition *pos) | |
726 | { | |
727 | return ltt_time_from_uint64(lttv_traceset_position_get_timestamp(pos)); | |
728 | } | |
729 | ||
ff5c41f1 | 730 | |
3200b7f3 | 731 | /* 0 if equals, other is different */ |
9a366873 FD |
732 | int lttv_traceset_position_compare(const LttvTracesetPosition *pos1, const LttvTracesetPosition *pos2) |
733 | { | |
734 | #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" | |
735 | if(pos1 == NULL || pos2 == NULL){ | |
736 | return -1; | |
737 | } | |
3200b7f3 | 738 | |
cfddb03e YB |
739 | int res = -1; |
740 | #ifdef HAVE_BT_ITER_EQUALS_POS | |
741 | if(pos1->timestamp == G_MAXUINT64 || pos2->timestamp == G_MAXUINT64) { | |
742 | res = bt_iter_equals_pos(pos1->bt_pos, pos2->bt_pos); | |
743 | } | |
744 | #endif | |
3200b7f3 YB |
745 | if (res < 0) { |
746 | ||
747 | guint64 timeStampPos1,timeStampPos2; | |
748 | guint cpuId1, cpuId2; | |
749 | ||
750 | timeStampPos1 = lttv_traceset_position_get_timestamp(pos1); | |
751 | timeStampPos2 = lttv_traceset_position_get_timestamp(pos2); | |
752 | ||
cfddb03e YB |
753 | if (timeStampPos1 == timeStampPos2) { |
754 | ||
755 | cpuId1 = lttv_traceset_position_get_cpuid(pos1); | |
756 | cpuId2 = lttv_traceset_position_get_cpuid(pos2); | |
3200b7f3 | 757 | |
cfddb03e YB |
758 | if(cpuId1 == cpuId2){ |
759 | return 0; | |
760 | } | |
3200b7f3 | 761 | } |
cfddb03e | 762 | return 1; |
3200b7f3 YB |
763 | } else { |
764 | ||
765 | return !res; | |
9a366873 FD |
766 | } |
767 | } | |
ff5c41f1 YB |
768 | |
769 | int lttv_traceset_position_time_compare(const LttvTracesetPosition *pos1, | |
770 | const LttvTracesetPosition *pos2) | |
771 | { | |
772 | guint64 timeStampPos1,timeStampPos2; | |
773 | ||
774 | timeStampPos1 = lttv_traceset_position_get_timestamp(pos1); | |
775 | timeStampPos2 = lttv_traceset_position_get_timestamp(pos2); | |
776 | ||
777 | return timeStampPos1 - timeStampPos2; | |
778 | } | |
779 | int lttv_traceset_position_compare_current(const LttvTraceset *ts, | |
780 | const LttvTracesetPosition *pos) | |
781 | { | |
782 | int result = 0; | |
783 | LttvTracesetPosition *curPos = lttv_traceset_create_current_position(ts); | |
784 | ||
785 | result = lttv_traceset_position_compare(curPos,pos); | |
786 | ||
787 | lttv_traceset_destroy_position(curPos); | |
788 | ||
789 | return result; | |
790 | } | |
791 | ||
792 | LttTime lttv_traceset_get_current_time(const LttvTraceset *ts) | |
793 | { | |
794 | LttvTracesetPosition *curPos = lttv_traceset_create_current_position(ts); | |
795 | guint64 currentTimestamp = lttv_traceset_position_get_timestamp(curPos); | |
796 | lttv_traceset_destroy_position(curPos); | |
797 | ||
798 | return ltt_time_from_uint64(currentTimestamp); | |
799 | } |