a1a2b649 |
1 | /* This file is part of the Linux Trace Toolkit Graphic User Interface |
2 | * Copyright (C) 2003-2004 Mathieu Desnoyers |
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 | |
19 | /* This file is the API used to launch any background computation on a trace */ |
20 | |
21 | /* Here is the implementation of the API */ |
22 | |
0fdb8bb0 |
23 | #include <sys/types.h> |
24 | #include <sys/stat.h> |
25 | #include <unistd.h> |
26 | |
a1a2b649 |
27 | #include <ltt/time.h> |
28 | #include <ltt/trace.h> |
29 | #include <glib.h> |
30 | #include <lttv/lttv.h> |
31 | #include <lttv/traceset.h> |
32 | #include <lttv/attribute.h> |
33 | #include <lttv/tracecontext.h> |
34 | #include <lttvwindow/lttvwindowtraces.h> |
8bc02ec8 |
35 | #include <lttvwindow/lttvwindow.h> // for CHUNK_NUM_EVENTS |
a1a2b649 |
36 | |
37 | |
38 | typedef struct _BackgroundRequest { |
39 | LttvAttributeName module_name; /* Hook path in global attributes, |
40 | where all standard hooks under computation/. |
41 | i.e. modulename */ |
42 | LttvTrace *trace; /* trace concerned */ |
43 | } BackgroundRequest; |
44 | |
45 | typedef struct _BackgroundNotify { |
46 | gpointer owner; |
47 | LttvTrace *trace; /* trace */ |
48 | LttTime notify_time; |
49 | LttvTracesetContextPosition *notify_position; |
50 | LttvHooks *notify; /* Hook to call when the notify is |
51 | passed, or at the end of trace */ |
52 | } BackgroundNotify; |
53 | |
54 | |
55 | |
56 | /* Get a trace by its path name. |
57 | * |
58 | * @param path path of the trace on the virtual file system. |
59 | * @return Pointer to trace if found |
60 | * NULL is returned if the trace is not present |
61 | */ |
62 | |
63 | LttvTrace *lttvwindowtraces_get_trace_by_name(gchar *path) |
64 | { |
65 | LttvAttribute *attribute = lttv_global_attributes(); |
66 | guint i; |
67 | |
68 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
69 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
70 | LttTrace *trace; |
71 | gchar *name; |
a1a2b649 |
72 | g_assert(trace_v != NULL); |
73 | |
74 | trace = lttv_trace(trace_v); |
75 | g_assert(trace != NULL); |
76 | name = ltt_trace_name(trace); |
77 | |
78 | if(strcmp(name, path) == 0) { |
79 | /* Found */ |
80 | return trace_v; |
81 | } |
82 | } |
83 | |
84 | return NULL; |
85 | } |
86 | |
87 | /* Get a trace by its number identifier */ |
88 | |
89 | LttvTrace *lttvwindowtraces_get_trace(guint num) |
90 | { |
91 | LttvAttribute *g_attribute = lttv_global_attributes(); |
92 | LttvAttribute *attribute; |
93 | LttvAttributeType type; |
94 | LttvAttributeName name; |
95 | LttvAttributeValue value; |
96 | |
97 | g_assert(attribute = |
98 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
99 | LTTV_TRACES))); |
100 | |
101 | type = lttv_iattribute_get(LTTV_IATTRIBUTE(attribute), num, &name, &value); |
102 | |
103 | if(type == LTTV_POINTER) { |
104 | return (LttvTrace *)*(value.v_pointer); |
105 | } |
106 | |
107 | return NULL; |
108 | } |
109 | |
110 | /* Total number of traces */ |
111 | |
112 | guint lttvwindowtraces_get_number() |
113 | { |
114 | LttvAttribute *g_attribute = lttv_global_attributes(); |
115 | LttvAttribute *attribute; |
116 | LttvAttributeValue value; |
117 | |
118 | g_assert(attribute = |
119 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
120 | LTTV_TRACES))); |
121 | |
122 | return ( lttv_iattribute_get_number(LTTV_IATTRIBUTE(attribute)) ); |
123 | } |
124 | |
125 | /* Add a trace to the global attributes */ |
126 | |
127 | void lttvwindowtraces_add_trace(LttvTrace *trace) |
128 | { |
129 | LttvAttribute *g_attribute = lttv_global_attributes(); |
130 | LttvAttribute *attribute; |
131 | LttvAttributeValue value; |
132 | guint num; |
0fdb8bb0 |
133 | struct stat buf; |
134 | gchar attribute_path[PATH_MAX]; |
a1a2b649 |
135 | |
0fdb8bb0 |
136 | if(stat(ltt_trace_name(lttv_trace(trace)), &buf)) { |
137 | g_warning("lttvwindowtraces_add_trace: Trace %s not found", |
138 | ltt_trace_name(lttv_trace(trace))); |
139 | return; |
140 | } |
141 | g_assert( |
142 | snprintf(attribute_path, PATH_MAX, "%lu:%lu", buf.st_dev, buf.st_ino) >= 0); |
143 | |
a1a2b649 |
144 | g_assert(attribute = |
145 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
146 | LTTV_TRACES))); |
0fdb8bb0 |
147 | |
a1a2b649 |
148 | value = lttv_attribute_add(attribute, |
0fdb8bb0 |
149 | g_quark_from_string(attribute_path), |
a1a2b649 |
150 | LTTV_POINTER); |
151 | |
152 | *(value.v_pointer) = (gpointer)trace; |
8bc02ec8 |
153 | |
154 | /* create new traceset and tracesetcontext */ |
155 | LttvTraceset *ts; |
156 | LttvTracesetContext *tsc; |
157 | |
158 | attribute = lttv_trace_attribute(trace); |
159 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
160 | LTTV_COMPUTATION_TRACESET, |
161 | LTTV_POINTER, |
162 | &value)); |
163 | ts = lttv_traceset_new(); |
164 | *(value.v_pointer) = ts; |
165 | |
166 | lttv_traceset_add(ts,trace); |
167 | |
168 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
169 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
170 | LTTV_POINTER, |
171 | &value)); |
172 | tsc = g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
173 | *(value.v_pointer) = tsc; |
174 | |
175 | lttv_context_init(tsc, ts); |
176 | |
177 | value = lttv_attribute_add(attribute, |
178 | LTTV_REQUESTS_QUEUE, |
179 | LTTV_POINTER); |
180 | |
181 | value = lttv_attribute_add(attribute, |
182 | LTTV_REQUESTS_CURRENT, |
183 | LTTV_POINTER); |
184 | |
185 | value = lttv_attribute_add(attribute, |
186 | LTTV_NOTIFY_QUEUE, |
187 | LTTV_POINTER); |
188 | |
189 | value = lttv_attribute_add(attribute, |
190 | LTTV_NOTIFY_CURRENT, |
191 | LTTV_POINTER); |
192 | |
a1a2b649 |
193 | } |
194 | |
195 | /* Remove a trace from the global attributes */ |
196 | |
197 | void lttvwindowtraces_remove_trace(LttvTrace *trace) |
198 | { |
199 | LttvAttribute *g_attribute = lttv_global_attributes(); |
200 | LttvAttribute *attribute; |
201 | LttvAttributeValue value; |
202 | guint i; |
203 | |
204 | g_assert(attribute = |
205 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
206 | LTTV_TRACES))); |
207 | |
208 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
209 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
210 | |
211 | g_assert(trace_v != NULL); |
212 | |
213 | if(trace_v == trace) { |
214 | /* Found */ |
8bc02ec8 |
215 | LttvAttribute *l_attribute; |
216 | |
217 | /* create new traceset and tracesetcontext */ |
218 | LttvTraceset *ts; |
219 | LttvTracesetContext *tsc; |
220 | |
221 | l_attribute = lttv_trace_attribute(trace); |
222 | |
223 | |
224 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
225 | LTTV_REQUESTS_QUEUE); |
226 | |
227 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
228 | LTTV_REQUESTS_CURRENT); |
229 | |
230 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
231 | LTTV_NOTIFY_QUEUE); |
232 | |
233 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
234 | LTTV_NOTIFY_CURRENT); |
235 | |
236 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(l_attribute), |
237 | LTTV_COMPUTATION_TRACESET, |
238 | LTTV_POINTER, |
239 | &value)); |
240 | ts = (LttvTraceset*)*(value.v_pointer); |
241 | |
242 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(l_attribute), |
243 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
244 | LTTV_POINTER, |
245 | &value)); |
246 | tsc = (LttvTracesetContext*)*(value.v_pointer); |
247 | |
248 | lttv_context_fini(tsc); |
249 | g_object_unref(tsc); |
250 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
251 | LTTV_COMPUTATION_TRACESET_CONTEXT); |
252 | lttv_traceset_destroy(ts); |
253 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
254 | LTTV_COMPUTATION_TRACESET); |
255 | |
256 | /* finally, remove the global attribute */ |
a1a2b649 |
257 | lttv_attribute_remove(attribute, i); |
8bc02ec8 |
258 | |
a1a2b649 |
259 | return; |
260 | } |
261 | } |
262 | } |
263 | |
264 | |
265 | /** |
266 | * Function to request data from a specific trace |
267 | * |
268 | * The memory allocated for the request will be managed by the API. |
269 | * |
270 | * @param trace the trace to compute |
271 | * @param module_name the name of the module which registered global computation |
272 | * hooks. |
273 | */ |
274 | |
275 | void lttvwindowtraces_background_request_queue |
276 | (LttvTrace *trace, gchar *module_name) |
277 | { |
278 | BackgroundRequest *bg_req; |
279 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
280 | LttvAttributeValue value; |
281 | GSList **slist; |
282 | guint num; |
283 | |
284 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
285 | LTTV_REQUESTS_QUEUE, |
286 | LTTV_POINTER, |
287 | &value)); |
288 | slist = (GSList**)(value.v_pointer); |
289 | |
290 | bg_req = g_new(BackgroundRequest,1); |
291 | bg_req->module_name = g_quark_from_string(module_name); |
292 | bg_req->trace = trace; |
293 | |
294 | *slist = g_slist_append(*slist, bg_req); |
295 | } |
296 | |
297 | /** |
298 | * Remove a background request from a trace. |
299 | * |
300 | * This should ONLY be used by the modules which registered the global hooks |
301 | * (module_name). If this is called by the viewers, it may lead to incomplete |
302 | * and incoherent background processing information. |
303 | * |
304 | * Even if the module which deals with the hooks removes the background |
305 | * requests, it may cause a problem if the module gets loaded again in the |
306 | * session : the data will be partially calculated. The calculation function |
307 | * must deal with this case correctly. |
308 | * |
309 | * @param trace the trace to compute |
310 | * @param module_name the name of the module which registered global computation |
311 | * hooks. |
312 | */ |
313 | |
314 | void lttvwindowtraces_background_request_remove |
315 | (LttvTrace *trace, gchar *module_name) |
316 | { |
317 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
318 | LttvAttributeValue value; |
319 | GSList *iter = NULL; |
320 | GSList **slist; |
321 | |
322 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
323 | LTTV_REQUESTS_QUEUE, |
324 | LTTV_POINTER, |
325 | &value)); |
326 | slist = (GSList**)(value.v_pointer); |
327 | |
328 | for(iter=*slist;iter!=NULL;) { |
329 | BackgroundRequest *bg_req = |
330 | (BackgroundRequest *)iter->data; |
331 | |
332 | if(bg_req->module_name == g_quark_from_string(module_name)) { |
333 | GSList *rem_iter = iter; |
334 | iter=g_slist_next(iter); |
335 | g_free(bg_req); |
336 | *slist = g_slist_delete_link(*slist, rem_iter); |
337 | } else { |
338 | iter=g_slist_next(iter); |
339 | } |
340 | } |
341 | } |
342 | |
343 | |
344 | /** |
345 | * Register a callback to be called when requested data is passed in the next |
346 | * queued background processing. |
347 | * |
348 | * @param owner owner of the background notification |
349 | * @param trace the trace computed |
350 | * @param notify_time time when notification hooks must be called |
351 | * @param notify_position position when notification hooks must be called |
352 | * @param notify Hook to call when the notify position is passed |
353 | */ |
354 | |
355 | void lttvwindowtraces_background_notify_queue |
356 | (gpointer owner, |
357 | LttvTrace *trace, |
358 | LttTime notify_time, |
359 | const LttvTracesetContextPosition *notify_position, |
360 | const LttvHooks *notify) |
361 | { |
362 | BackgroundNotify *bg_notify; |
363 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
364 | LttvAttributeValue value; |
365 | GSList **slist; |
366 | |
367 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
368 | LTTV_NOTIFY_QUEUE, |
369 | LTTV_POINTER, |
370 | &value)); |
371 | slist = (GSList**)(value.v_pointer); |
372 | |
373 | |
374 | bg_notify = g_new(BackgroundNotify,1); |
375 | |
376 | bg_notify->owner = owner; |
377 | bg_notify->trace = trace; |
378 | bg_notify->notify_time = notify_time; |
379 | bg_notify->notify_position = ltt_traceset_context_position_new(); |
380 | lttv_traceset_context_position_copy(bg_notify->notify_position, |
381 | notify_position); |
382 | bg_notify->notify = lttv_hooks_new(); |
383 | lttv_hooks_add_list(bg_notify->notify, notify); |
384 | |
385 | *slist = g_slist_append(*slist, bg_notify); |
386 | } |
387 | |
388 | /** |
389 | * Register a callback to be called when requested data is passed in the current |
390 | * background processing. |
391 | * |
392 | * @param owner owner of the background notification |
393 | * @param trace the trace computed |
394 | * @param notify_time time when notification hooks must be called |
395 | * @param notify_position position when notification hooks must be called |
396 | * @param notify Hook to call when the notify position is passed |
397 | */ |
398 | |
399 | void lttvwindowtraces_background_notify_current |
400 | (gpointer owner, |
401 | LttvTrace *trace, |
402 | LttTime notify_time, |
403 | const LttvTracesetContextPosition *notify_position, |
404 | const LttvHooks *notify) |
405 | { |
406 | BackgroundNotify *bg_notify; |
407 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
408 | LttvAttributeValue value; |
409 | GSList **slist; |
410 | |
411 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
412 | LTTV_NOTIFY_CURRENT, |
413 | LTTV_POINTER, |
414 | &value)); |
415 | slist = (GSList**)(value.v_pointer); |
416 | |
417 | bg_notify = g_new(BackgroundNotify,1); |
418 | |
419 | bg_notify->owner = owner; |
420 | bg_notify->trace = trace; |
421 | bg_notify->notify_time = notify_time; |
422 | bg_notify->notify_position = ltt_traceset_context_position_new(); |
423 | lttv_traceset_context_position_copy(bg_notify->notify_position, |
424 | notify_position); |
425 | bg_notify->notify = lttv_hooks_new(); |
426 | lttv_hooks_add_list(bg_notify->notify, notify); |
427 | |
428 | *slist = g_slist_append(*slist, bg_notify); |
429 | } |
430 | |
431 | /** |
432 | * Removes all the notifications requests from a specific viewer. |
433 | * |
434 | * @param owner owner of the background notification |
435 | */ |
436 | |
437 | void lttvwindowtraces_background_notify_remove(gpointer owner) |
438 | { |
439 | guint i; |
440 | |
441 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
442 | LttvAttribute *attribute; |
443 | LttvAttributeValue value; |
444 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
445 | GSList **slist; |
446 | GSList *iter = NULL; |
447 | |
448 | g_assert(trace_v != NULL); |
449 | |
450 | LttvAttribute *t_a = lttv_trace_attribute(trace_v); |
451 | |
452 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
453 | LTTV_NOTIFY_QUEUE, |
454 | LTTV_POINTER, |
455 | &value)); |
456 | slist = (GSList**)(value.v_pointer); |
457 | |
458 | for(iter=*slist;iter!=NULL;) { |
459 | |
460 | BackgroundNotify *bg_notify = (BackgroundNotify*)iter->data; |
461 | |
462 | if(bg_notify->owner == owner) { |
463 | GSList *rem_iter = iter; |
464 | iter=g_slist_next(iter); |
465 | lttv_traceset_context_position_destroy( |
466 | bg_notify->notify_position); |
467 | lttv_hooks_destroy(bg_notify->notify); |
468 | g_free(bg_notify); |
469 | g_slist_remove_link(*slist, rem_iter); |
470 | } else { |
471 | iter=g_slist_next(iter); |
472 | } |
473 | } |
474 | |
475 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
476 | LTTV_NOTIFY_CURRENT, |
477 | LTTV_POINTER, |
478 | &value)); |
479 | slist = (GSList**)(value.v_pointer); |
480 | |
481 | for(iter=*slist;iter!=NULL;) { |
482 | |
483 | BackgroundNotify *bg_notify = (BackgroundNotify*)iter->data; |
484 | |
485 | if(bg_notify->owner == owner) { |
486 | GSList *rem_iter = iter; |
487 | iter=g_slist_next(iter); |
488 | lttv_traceset_context_position_destroy( |
489 | bg_notify->notify_position); |
490 | lttv_hooks_destroy(bg_notify->notify); |
491 | g_free(bg_notify); |
492 | g_slist_remove_link(*slist, rem_iter); |
493 | } else { |
494 | iter=g_slist_next(iter); |
495 | } |
496 | } |
497 | } |
498 | } |
499 | |
8bc02ec8 |
500 | |
501 | /* Background processing helper functions */ |
502 | |
503 | void lttvwindowtraces_add_computation_hooks(LttvAttributeName module_name, |
504 | LttvTracesetContext *tsc) |
505 | { |
506 | LttvAttribute *g_attribute = lttv_global_attributes(); |
507 | LttvAttribute *module_attribute; |
508 | LttvAttributeType type; |
509 | LttvAttributeValue value; |
510 | LttvHooks *before_chunk_traceset=NULL; |
511 | LttvHooks *before_chunk_trace=NULL; |
512 | LttvHooks *before_chunk_tracefile=NULL; |
513 | LttvHooks *event_hook=NULL; |
514 | LttvHooksById *event_hook_by_id=NULL; |
515 | |
516 | |
517 | g_assert(module_attribute = |
518 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
519 | LTTV_COMPUTATION))); |
520 | |
521 | g_assert(module_attribute = |
522 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
523 | LTTV_IATTRIBUTE(module_attribute), |
524 | module_name))); |
525 | |
526 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
527 | LTTV_BEFORE_CHUNK_TRACESET, |
528 | &value); |
529 | if(type == LTTV_POINTER) { |
530 | before_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
531 | } |
532 | |
533 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
534 | LTTV_BEFORE_CHUNK_TRACE, |
535 | &value); |
536 | if(type == LTTV_POINTER) { |
537 | before_chunk_trace = (LttvHooks*)*(value.v_pointer); |
538 | } |
539 | |
540 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
541 | LTTV_BEFORE_CHUNK_TRACEFILE, |
542 | &value); |
543 | if(type == LTTV_POINTER) { |
544 | before_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
545 | } |
546 | |
547 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
548 | LTTV_EVENT_HOOK, |
549 | &value); |
550 | if(type == LTTV_POINTER) { |
551 | event_hook = (LttvHooks*)*(value.v_pointer); |
552 | } |
553 | |
554 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
555 | LTTV_EVENT_HOOK_BY_ID, |
556 | &value); |
557 | if(type == LTTV_POINTER) { |
558 | event_hook_by_id = (LttvHooksById*)*(value.v_pointer); |
559 | } |
560 | |
561 | |
562 | lttv_process_traceset_begin(tsc, |
563 | before_chunk_traceset, |
564 | before_chunk_trace, |
565 | before_chunk_tracefile, |
566 | event_hook, |
567 | event_hook_by_id); |
568 | |
569 | } |
570 | |
571 | void lttvwindowtraces_remove_computation_hooks(LttvAttributeName module_name, |
572 | LttvTracesetContext *tsc) |
573 | { |
574 | LttvAttribute *g_attribute = lttv_global_attributes(); |
575 | LttvAttribute *module_attribute; |
576 | LttvAttributeType type; |
577 | LttvAttributeValue value; |
578 | LttvHooks *after_chunk_traceset=NULL; |
579 | LttvHooks *after_chunk_trace=NULL; |
580 | LttvHooks *after_chunk_tracefile=NULL; |
581 | LttvHooks *event_hook=NULL; |
582 | LttvHooksById *event_hook_by_id=NULL; |
583 | |
584 | |
585 | g_assert(module_attribute = |
586 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
587 | LTTV_COMPUTATION))); |
588 | |
589 | g_assert(module_attribute = |
590 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
591 | LTTV_IATTRIBUTE(module_attribute), |
592 | module_name))); |
593 | |
594 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
595 | LTTV_AFTER_CHUNK_TRACESET, |
596 | &value); |
597 | if(type == LTTV_POINTER) { |
598 | after_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
599 | } |
600 | |
601 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
602 | LTTV_AFTER_CHUNK_TRACE, |
603 | &value); |
604 | if(type == LTTV_POINTER) { |
605 | after_chunk_trace = (LttvHooks*)*(value.v_pointer); |
606 | } |
607 | |
608 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
609 | LTTV_AFTER_CHUNK_TRACEFILE, |
610 | &value); |
611 | if(type == LTTV_POINTER) { |
612 | after_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
613 | } |
614 | |
615 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
616 | LTTV_EVENT_HOOK, |
617 | &value); |
618 | if(type == LTTV_POINTER) { |
619 | event_hook = (LttvHooks*)*(value.v_pointer); |
620 | } |
621 | |
622 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
623 | LTTV_EVENT_HOOK_BY_ID, |
624 | &value); |
625 | if(type == LTTV_POINTER) { |
626 | event_hook_by_id = (LttvHooksById*)*(value.v_pointer); |
627 | } |
628 | |
629 | |
630 | lttv_process_traceset_end(tsc, |
631 | after_chunk_traceset, |
632 | after_chunk_trace, |
633 | after_chunk_tracefile, |
634 | event_hook, |
635 | event_hook_by_id); |
636 | } |
637 | |
638 | |
639 | void lttvwindowtraces_set_in_progress(LttvAttributeName module_name, |
640 | LttvTrace *trace) |
641 | { |
642 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
643 | LttvAttributeValue value; |
644 | |
645 | g_assert(attribute = |
646 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
647 | module_name))); |
648 | |
649 | value = lttv_iattribute_add(LTTV_IATTRIBUTE(attribute), |
650 | LTTV_IN_PROGRESS, |
651 | LTTV_INT); |
652 | /* the value is left unset. The only presence of the attribute is necessary. |
653 | */ |
654 | } |
655 | |
656 | void lttvwindowtraces_unset_in_progress(LttvAttributeName module_name, |
657 | LttvTrace *trace) |
658 | { |
659 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
660 | |
661 | g_assert(attribute = |
662 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
663 | module_name))); |
664 | |
665 | lttv_iattribute_remove(LTTV_IATTRIBUTE(attribute), |
666 | LTTV_IN_PROGRESS); |
667 | } |
668 | |
669 | gboolean lttvwindowtraces_get_in_progress(LttvAttributeName module_name, |
670 | LttvTrace *trace) |
671 | { |
672 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
673 | LttvAttributeType type; |
674 | LttvAttributeValue value; |
675 | |
676 | g_assert(attribute = |
677 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
678 | module_name))); |
679 | |
680 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
681 | LTTV_IN_PROGRESS, |
682 | &value); |
683 | /* The only presence of the attribute is necessary. */ |
684 | if(type == LTTV_NONE) |
685 | return FALSE; |
686 | else |
687 | return TRUE; |
688 | } |
689 | |
690 | void lttvwindowtraces_set_ready(LttvAttributeName module_name, |
691 | LttvTrace *trace) |
692 | { |
693 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
694 | LttvAttributeValue value; |
695 | |
696 | g_assert(attribute = |
697 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
698 | module_name))); |
699 | |
700 | value = lttv_iattribute_add(LTTV_IATTRIBUTE(attribute), |
701 | LTTV_READY, |
702 | LTTV_INT); |
703 | /* the value is left unset. The only presence of the attribute is necessary. |
704 | */ |
705 | } |
706 | |
707 | void lttvwindowtraces_unset_ready(LttvAttributeName module_name, |
708 | LttvTrace *trace) |
709 | { |
710 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
711 | |
712 | g_assert(attribute = |
713 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
714 | module_name))); |
715 | |
716 | lttv_iattribute_remove(LTTV_IATTRIBUTE(attribute), |
717 | LTTV_READY); |
718 | } |
719 | |
720 | gboolean lttvwindowtraces_get_ready(LttvAttributeName module_name, |
721 | LttvTrace *trace) |
722 | { |
723 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
724 | LttvAttributeType type; |
725 | LttvAttributeValue value; |
726 | |
727 | g_assert(attribute = |
728 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
729 | module_name))); |
730 | |
731 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
732 | LTTV_READY, |
733 | &value); |
734 | /* The only presence of the attribute is necessary. */ |
735 | if(type == LTTV_NONE) |
736 | return FALSE; |
737 | else |
738 | return TRUE; |
739 | } |
740 | |
741 | |
742 | |
743 | /* lttvwindowtraces_process_pending_requests |
744 | * |
745 | * This internal function gets called by g_idle, taking care of the pending |
746 | * requests. |
747 | * |
748 | */ |
749 | |
750 | |
751 | gboolean lttvwindowtraces_process_pending_requests(LttvTrace *trace) |
752 | { |
753 | LttvTracesetContext *tsc; |
754 | LttvTraceset *ts; |
755 | LttvAttribute *attribute; |
756 | GSList *list_out, *list_in, *notify_in, *notify_out; |
757 | LttvAttributeValue value; |
758 | LttvAttributeType type; |
759 | |
760 | if(trace == NULL) |
761 | return FALSE; |
762 | |
763 | attribute = lttv_trace_attribute(trace); |
764 | |
765 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
766 | LTTV_REQUESTS_QUEUE, |
767 | &value); |
768 | g_assert(type == LTTV_POINTER); |
769 | list_out = (GSList*)*(value.v_pointer); |
770 | |
771 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
772 | LTTV_REQUESTS_CURRENT, |
773 | &value); |
774 | g_assert(type == LTTV_POINTER); |
775 | list_in = (GSList*)*(value.v_pointer); |
776 | |
777 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
778 | LTTV_NOTIFY_QUEUE, |
779 | &value); |
780 | g_assert(type == LTTV_POINTER); |
781 | notify_out = (GSList*)*(value.v_pointer); |
782 | |
783 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
784 | LTTV_NOTIFY_CURRENT, |
785 | &value); |
786 | g_assert(type == LTTV_POINTER); |
787 | notify_in = (GSList*)*(value.v_pointer); |
788 | |
789 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
790 | LTTV_COMPUTATION_TRACESET, |
791 | &value); |
792 | g_assert(type == LTTV_POINTER); |
793 | ts = (LttvTraceset*)*(value.v_pointer); |
794 | |
795 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
796 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
797 | &value); |
798 | g_assert(type == LTTV_POINTER); |
799 | tsc = (LttvTracesetContext*)*(value.v_pointer); |
800 | g_assert(LTTV_IS_TRACESET_CONTEXT(tsc)); |
801 | |
802 | /* There is no events requests pending : we should never have been called! */ |
803 | g_assert(g_slist_length(list_out) != 0 || g_slist_length(list_in) != 0); |
804 | |
805 | |
806 | |
807 | /* 1. Before processing */ |
808 | { |
809 | /* if list_in is empty */ |
810 | if(g_slist_length(list_in) == 0) { |
811 | |
812 | { |
813 | /* - Add all requests in list_out to list_in, empty list_out */ |
814 | GSList *iter = list_out; |
815 | |
816 | while(iter != NULL) { |
817 | gboolean remove = FALSE; |
818 | gboolean free_data = FALSE; |
819 | |
820 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
821 | |
822 | remove = TRUE; |
823 | free_data = FALSE; |
824 | list_in = g_slist_append(list_in, bg_req); |
825 | |
826 | /* Go to next */ |
827 | if(remove) |
828 | { |
829 | GSList *remove_iter = iter; |
830 | |
831 | iter = g_slist_next(iter); |
832 | if(free_data) g_free(remove_iter->data); |
833 | list_out = g_slist_remove_link(list_out, remove_iter); |
834 | } else { // not remove |
835 | iter = g_slist_next(iter); |
836 | } |
837 | } |
838 | } |
839 | |
840 | { |
841 | GSList *iter = list_in; |
842 | /* - for each request in list_in */ |
843 | while(iter != NULL) { |
844 | |
845 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
846 | /*- add hooks to context*/ |
847 | lttvwindowtraces_set_in_progress(bg_req->module_name, |
848 | bg_req->trace); |
849 | |
850 | iter = g_slist_next(iter); |
851 | } |
852 | } |
853 | |
854 | /* - seek trace to start */ |
855 | { |
856 | LttTime start = { 0, 0}; |
857 | lttv_process_traceset_seek_time(tsc, start); |
858 | } |
859 | |
860 | /* - Move all notifications from notify_out to notify_in. */ |
861 | { |
862 | GSList *iter = notify_out; |
863 | g_assert(g_slist_length(notify_in) == 0); |
864 | |
865 | while(iter != NULL) { |
866 | gboolean remove = FALSE; |
867 | gboolean free_data = FALSE; |
868 | |
869 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
870 | |
871 | remove = TRUE; |
872 | free_data = FALSE; |
873 | notify_in = g_slist_append(notify_in, notify_req); |
874 | |
875 | /* Go to next */ |
876 | if(remove) |
877 | { |
878 | GSList *remove_iter = iter; |
879 | |
880 | iter = g_slist_next(iter); |
881 | if(free_data) g_free(remove_iter->data); |
882 | notify_out = g_slist_remove_link(notify_out, remove_iter); |
883 | } else { // not remove |
884 | iter = g_slist_next(iter); |
885 | } |
886 | } |
887 | } |
888 | } |
889 | |
890 | { |
891 | GSList *iter = list_in; |
892 | /* - for each request in list_in */ |
893 | while(iter != NULL) { |
894 | |
895 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
896 | /*- Call before chunk hooks for list_in*/ |
897 | /*- add hooks to context*/ |
898 | lttvwindowtraces_add_computation_hooks(bg_req->module_name, |
899 | tsc); |
900 | iter = g_slist_next(iter); |
901 | } |
902 | } |
903 | } |
904 | |
905 | /* 2. call process traceset middle for a chunk */ |
906 | { |
907 | /*(assert list_in is not empty! : should not even be called in that case)*/ |
908 | LttTime end = { G_MAXUINT, G_MAXUINT }; |
909 | g_assert(g_slist_length(list_in) != 0); |
910 | |
911 | lttv_process_traceset_middle(tsc, end, CHUNK_NUM_EVENTS, NULL); |
912 | } |
913 | |
914 | /* 3. After the chunk */ |
915 | { |
916 | /* 3.1 call after_chunk hooks for list_in */ |
917 | { |
918 | GSList *iter = list_in; |
919 | /* - for each request in list_in */ |
920 | while(iter != NULL) { |
921 | |
922 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
923 | /* - Call after chunk hooks for list_in */ |
924 | /* - remove hooks from context */ |
925 | lttvwindowtraces_remove_computation_hooks(bg_req->module_name, |
926 | tsc); |
927 | iter = g_slist_next(iter); |
928 | } |
929 | } |
930 | |
931 | /* 3.2 for each notify_in */ |
932 | { |
933 | GSList *iter = notify_in; |
934 | LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc); |
935 | |
936 | while(iter != NULL) { |
937 | gboolean remove = FALSE; |
938 | gboolean free_data = FALSE; |
939 | |
940 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
941 | |
942 | /* - if current time >= notify time, call notify and remove from |
943 | * notify_in. |
944 | * - if current position >= notify position, call notify and remove |
945 | * from notify_in. |
946 | */ |
947 | if( (tfc != NULL && |
948 | ltt_time_compare(notify_req->notify_time, tfc->timestamp) >= 0) |
949 | || |
950 | (lttv_traceset_context_ctx_pos_compare(tsc, |
951 | notify_req->notify_position) >= 0) |
952 | ) { |
953 | |
954 | lttv_hooks_call(notify_req->notify, notify_req); |
955 | |
956 | remove = TRUE; |
957 | free_data = TRUE; |
958 | } |
959 | |
960 | /* Go to next */ |
961 | if(remove) |
962 | { |
963 | GSList *remove_iter = iter; |
964 | |
965 | iter = g_slist_next(iter); |
966 | if(free_data) g_free(remove_iter->data); |
967 | notify_in = g_slist_remove_link(notify_in, remove_iter); |
968 | } else { // not remove |
969 | iter = g_slist_next(iter); |
970 | } |
971 | } |
972 | } |
973 | |
974 | { |
975 | LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc); |
976 | /* 3.3 if end of trace reached */ |
977 | if(tfc == NULL || ltt_time_compare(tfc->timestamp, |
978 | tsc->time_span.end_time) > 0) { |
979 | |
980 | /* - for each request in list_in */ |
981 | { |
982 | GSList *iter = list_in; |
983 | |
984 | while(iter != NULL) { |
985 | gboolean remove = FALSE; |
986 | gboolean free_data = FALSE; |
987 | |
988 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
989 | |
990 | /* - set hooks'in_progress flag to FALSE */ |
991 | lttvwindowtraces_unset_in_progress(bg_req->module_name, |
992 | bg_req->trace); |
993 | /* - set hooks'ready flag to TRUE */ |
994 | lttvwindowtraces_set_ready(bg_req->module_name, |
995 | bg_req->trace); |
996 | /* - remove request */ |
997 | remove = TRUE; |
998 | free_data = TRUE; |
999 | |
1000 | /* Go to next */ |
1001 | if(remove) |
1002 | { |
1003 | GSList *remove_iter = iter; |
1004 | |
1005 | iter = g_slist_next(iter); |
1006 | if(free_data) g_free(remove_iter->data); |
1007 | list_in = g_slist_remove_link(list_in, remove_iter); |
1008 | } else { // not remove |
1009 | iter = g_slist_next(iter); |
1010 | } |
1011 | } |
1012 | } |
1013 | |
1014 | /* - for each notifications in notify_in */ |
1015 | { |
1016 | GSList *iter = notify_in; |
1017 | |
1018 | while(iter != NULL) { |
1019 | gboolean remove = FALSE; |
1020 | gboolean free_data = FALSE; |
1021 | |
1022 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
1023 | |
1024 | /* - call notify and remove from notify_in */ |
1025 | lttv_hooks_call(notify_req->notify, notify_req); |
1026 | remove = TRUE; |
1027 | free_data = TRUE; |
1028 | |
1029 | /* Go to next */ |
1030 | if(remove) |
1031 | { |
1032 | GSList *remove_iter = iter; |
1033 | |
1034 | iter = g_slist_next(iter); |
1035 | if(free_data) g_free(remove_iter->data); |
1036 | notify_in = g_slist_remove_link(notify_in, remove_iter); |
1037 | } else { // not remove |
1038 | iter = g_slist_next(iter); |
1039 | } |
1040 | } |
1041 | } |
1042 | |
1043 | /* - return FALSE (scheduler stopped) */ |
1044 | return FALSE; |
1045 | } else { |
1046 | /* 3.4 else, end of trace not reached */ |
1047 | /* - return TRUE (scheduler still registered) */ |
1048 | return TRUE; |
1049 | } |
1050 | } |
1051 | } |
1052 | } |
e62a7964 |
1053 | |
1054 | |
1055 | |
1056 | /** |
1057 | * Register the background computation hooks for a specific module. It adds the |
1058 | * computation hooks to the global attrubutes, under "computation/module name" |
1059 | * |
1060 | * @param module_name A GQuark : the name of the module which computes the |
1061 | * information. |
1062 | */ |
1063 | void lttvwindowtraces_register_computation_hooks(LttvAttributeName module_name, |
1064 | LttvHooks *before_chunk_traceset, |
1065 | LttvHooks *before_chunk_trace, |
1066 | LttvHooks *before_chunk_tracefile, |
1067 | LttvHooks *after_chunk_traceset, |
1068 | LttvHooks *after_chunk_trace, |
1069 | LttvHooks *after_chunk_tracefile, |
1070 | LttvHooks *before_request, |
1071 | LttvHooks *after_request, |
1072 | LttvHooks *event_hook, |
1073 | LttvHooksById *event_hook_by_id) |
1074 | { |
1075 | LttvAttribute *g_attribute = lttv_global_attributes(); |
1076 | LttvAttribute *attribute; |
1077 | LttvAttributeValue value; |
1078 | |
1079 | g_assert(attribute = |
1080 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1081 | LTTV_COMPUTATION))); |
1082 | |
1083 | g_assert(attribute = |
1084 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
1085 | module_name))); |
1086 | |
1087 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1088 | LTTV_BEFORE_CHUNK_TRACESET, |
1089 | LTTV_POINTER, |
1090 | &value)); |
1091 | *(value.v_pointer) = before_chunk_traceset; |
1092 | |
1093 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1094 | LTTV_BEFORE_CHUNK_TRACE, |
1095 | LTTV_POINTER, |
1096 | &value)); |
1097 | *(value.v_pointer) = before_chunk_trace; |
1098 | |
1099 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1100 | LTTV_BEFORE_CHUNK_TRACEFILE, |
1101 | LTTV_POINTER, |
1102 | &value)); |
1103 | *(value.v_pointer) = before_chunk_tracefile; |
1104 | |
1105 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1106 | LTTV_AFTER_CHUNK_TRACESET, |
1107 | LTTV_POINTER, |
1108 | &value)); |
1109 | *(value.v_pointer) = after_chunk_traceset; |
1110 | |
1111 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1112 | LTTV_AFTER_CHUNK_TRACE, |
1113 | LTTV_POINTER, |
1114 | &value)); |
1115 | *(value.v_pointer) = after_chunk_trace; |
1116 | |
1117 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1118 | LTTV_AFTER_CHUNK_TRACEFILE, |
1119 | LTTV_POINTER, |
1120 | &value)); |
1121 | *(value.v_pointer) = after_chunk_tracefile; |
1122 | |
1123 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1124 | LTTV_BEFORE_REQUEST, |
1125 | LTTV_POINTER, |
1126 | &value)); |
1127 | *(value.v_pointer) = before_request; |
1128 | |
1129 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1130 | LTTV_AFTER_REQUEST, |
1131 | LTTV_POINTER, |
1132 | &value)); |
1133 | *(value.v_pointer) = after_request; |
1134 | |
1135 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1136 | LTTV_EVENT_HOOK, |
1137 | LTTV_POINTER, |
1138 | &value)); |
1139 | *(value.v_pointer) = event_hook; |
1140 | |
1141 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1142 | LTTV_EVENT_HOOK_BY_ID, |
1143 | LTTV_POINTER, |
1144 | &value)); |
1145 | *(value.v_pointer) = event_hook_by_id; |
1146 | |
1147 | } |
1148 | |
1149 | |
1150 | /** |
1151 | * It removes all the requests than can be currently processed by the |
1152 | * background computation algorithm for all the traces (list_in and list_out). |
1153 | * |
1154 | * Leaves the flag to in_progress or none.. depending if current or queue |
1155 | * |
1156 | * @param module_name A GQuark : the name of the module which computes the |
1157 | * information. |
1158 | */ |
1159 | void lttvwindowtraces_unregister_requests(LttvAttributeName module_name) |
1160 | { |
1161 | guint i; |
1162 | |
1163 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
1164 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
1165 | g_assert(trace_v != NULL); |
1166 | LttTrace *trace; |
1167 | LttvAttribute *attribute = lttv_trace_attribute(trace_v); |
1168 | LttvAttributeValue value; |
1169 | GSList *queue, *current; |
1170 | GSList *iter; |
1171 | |
1172 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1173 | LTTV_REQUESTS_QUEUE, |
1174 | LTTV_POINTER, |
1175 | &value)); |
1176 | queue = (GSList*)*(value.v_pointer); |
1177 | |
1178 | iter = queue; |
1179 | while(iter != NULL) { |
1180 | gboolean remove = FALSE; |
1181 | gboolean free_data = FALSE; |
1182 | |
1183 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1184 | |
1185 | if(bg_req->module_name == module_name) { |
1186 | remove = TRUE; |
1187 | free_data = TRUE; |
1188 | } |
1189 | |
1190 | /* Go to next */ |
1191 | if(remove) |
1192 | { |
1193 | GSList *remove_iter = iter; |
1194 | |
1195 | iter = g_slist_next(iter); |
1196 | if(free_data) g_free(remove_iter->data); |
1197 | queue = g_slist_remove_link(queue, remove_iter); |
1198 | } else { // not remove |
1199 | iter = g_slist_next(iter); |
1200 | } |
1201 | } |
1202 | |
1203 | |
1204 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1205 | LTTV_REQUESTS_CURRENT, |
1206 | LTTV_POINTER, |
1207 | &value)); |
1208 | current = (GSList*)*(value.v_pointer); |
1209 | |
1210 | iter = current; |
1211 | while(iter != NULL) { |
1212 | gboolean remove = FALSE; |
1213 | gboolean free_data = FALSE; |
1214 | |
1215 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1216 | |
1217 | if(bg_req->module_name == module_name) { |
1218 | remove = TRUE; |
1219 | free_data = TRUE; |
1220 | } |
1221 | |
1222 | /* Go to next */ |
1223 | if(remove) |
1224 | { |
1225 | GSList *remove_iter = iter; |
1226 | |
1227 | iter = g_slist_next(iter); |
1228 | if(free_data) g_free(remove_iter->data); |
1229 | current = g_slist_remove_link(current, remove_iter); |
1230 | } else { // not remove |
1231 | iter = g_slist_next(iter); |
1232 | } |
1233 | } |
1234 | } |
1235 | } |
1236 | |
1237 | |
1238 | /** |
1239 | * Unregister the background computation hooks for a specific module. |
1240 | * |
1241 | * It also removes all the requests than can be currently processed by the |
1242 | * background computation algorithm for all the traces (list_in and list_out). |
1243 | * |
1244 | * @param module_name A GQuark : the name of the module which computes the |
1245 | * information. |
1246 | */ |
1247 | |
1248 | void lttvwindowtraces_unregister_computation_hooks |
1249 | (LttvAttributeName module_name) |
1250 | { |
1251 | LttvAttribute *g_attribute = lttv_global_attributes(); |
1252 | LttvAttribute *attribute; |
1253 | |
1254 | g_assert(attribute = |
1255 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1256 | LTTV_COMPUTATION))); |
1257 | g_assert(attribute = |
1258 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
1259 | module_name))); |
1260 | |
1261 | |
1262 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1263 | LTTV_EVENT_HOOK_BY_ID); |
1264 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1265 | LTTV_EVENT_HOOK); |
1266 | |
1267 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1268 | LTTV_AFTER_REQUEST); |
1269 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1270 | LTTV_BEFORE_REQUEST); |
1271 | |
1272 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1273 | LTTV_AFTER_CHUNK_TRACEFILE); |
1274 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1275 | LTTV_AFTER_CHUNK_TRACE); |
1276 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1277 | LTTV_AFTER_CHUNK_TRACESET); |
1278 | |
1279 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1280 | LTTV_BEFORE_CHUNK_TRACEFILE); |
1281 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1282 | LTTV_BEFORE_CHUNK_TRACE); |
1283 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1284 | LTTV_BEFORE_CHUNK_TRACESET); |
1285 | /* finally, remove module name */ |
1286 | g_assert(attribute = |
1287 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1288 | LTTV_COMPUTATION))); |
1289 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1290 | module_name); |
1291 | |
1292 | } |
1293 | |
1294 | |