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 | |
313bd6fc |
56 | /* Prototypes */ |
57 | gboolean lttvwindowtraces_process_pending_requests(LttvTrace *trace); |
58 | |
a1a2b649 |
59 | /* Get a trace by its path name. |
60 | * |
61 | * @param path path of the trace on the virtual file system. |
62 | * @return Pointer to trace if found |
63 | * NULL is returned if the trace is not present |
64 | */ |
65 | |
66 | LttvTrace *lttvwindowtraces_get_trace_by_name(gchar *path) |
67 | { |
68 | LttvAttribute *attribute = lttv_global_attributes(); |
69 | guint i; |
70 | |
71 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
72 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
73 | LttTrace *trace; |
74 | gchar *name; |
a1a2b649 |
75 | g_assert(trace_v != NULL); |
76 | |
77 | trace = lttv_trace(trace_v); |
78 | g_assert(trace != NULL); |
79 | name = ltt_trace_name(trace); |
80 | |
81 | if(strcmp(name, path) == 0) { |
82 | /* Found */ |
83 | return trace_v; |
84 | } |
85 | } |
86 | |
87 | return NULL; |
88 | } |
89 | |
90 | /* Get a trace by its number identifier */ |
91 | |
92 | LttvTrace *lttvwindowtraces_get_trace(guint num) |
93 | { |
94 | LttvAttribute *g_attribute = lttv_global_attributes(); |
95 | LttvAttribute *attribute; |
96 | LttvAttributeType type; |
97 | LttvAttributeName name; |
98 | LttvAttributeValue value; |
99 | |
100 | g_assert(attribute = |
101 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
102 | LTTV_TRACES))); |
103 | |
104 | type = lttv_iattribute_get(LTTV_IATTRIBUTE(attribute), num, &name, &value); |
105 | |
106 | if(type == LTTV_POINTER) { |
107 | return (LttvTrace *)*(value.v_pointer); |
108 | } |
109 | |
110 | return NULL; |
111 | } |
112 | |
113 | /* Total number of traces */ |
114 | |
115 | guint lttvwindowtraces_get_number() |
116 | { |
117 | LttvAttribute *g_attribute = lttv_global_attributes(); |
118 | LttvAttribute *attribute; |
119 | LttvAttributeValue value; |
120 | |
121 | g_assert(attribute = |
122 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
123 | LTTV_TRACES))); |
124 | |
125 | return ( lttv_iattribute_get_number(LTTV_IATTRIBUTE(attribute)) ); |
126 | } |
127 | |
128 | /* Add a trace to the global attributes */ |
129 | |
130 | void lttvwindowtraces_add_trace(LttvTrace *trace) |
131 | { |
132 | LttvAttribute *g_attribute = lttv_global_attributes(); |
133 | LttvAttribute *attribute; |
134 | LttvAttributeValue value; |
135 | guint num; |
0fdb8bb0 |
136 | struct stat buf; |
137 | gchar attribute_path[PATH_MAX]; |
a1a2b649 |
138 | |
0fdb8bb0 |
139 | if(stat(ltt_trace_name(lttv_trace(trace)), &buf)) { |
140 | g_warning("lttvwindowtraces_add_trace: Trace %s not found", |
141 | ltt_trace_name(lttv_trace(trace))); |
142 | return; |
143 | } |
144 | g_assert( |
145 | snprintf(attribute_path, PATH_MAX, "%lu:%lu", buf.st_dev, buf.st_ino) >= 0); |
146 | |
a1a2b649 |
147 | g_assert(attribute = |
148 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
149 | LTTV_TRACES))); |
0fdb8bb0 |
150 | |
a1a2b649 |
151 | value = lttv_attribute_add(attribute, |
0fdb8bb0 |
152 | g_quark_from_string(attribute_path), |
a1a2b649 |
153 | LTTV_POINTER); |
154 | |
155 | *(value.v_pointer) = (gpointer)trace; |
8bc02ec8 |
156 | |
157 | /* create new traceset and tracesetcontext */ |
158 | LttvTraceset *ts; |
313bd6fc |
159 | LttvTracesetStats *tss; |
8bc02ec8 |
160 | |
161 | attribute = lttv_trace_attribute(trace); |
162 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
163 | LTTV_COMPUTATION_TRACESET, |
164 | LTTV_POINTER, |
165 | &value)); |
166 | ts = lttv_traceset_new(); |
167 | *(value.v_pointer) = ts; |
168 | |
169 | lttv_traceset_add(ts,trace); |
170 | |
171 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
172 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
173 | LTTV_POINTER, |
174 | &value)); |
313bd6fc |
175 | tss = g_object_new(LTTV_TRACESET_STATS_TYPE, NULL); |
176 | *(value.v_pointer) = tss; |
8bc02ec8 |
177 | |
313bd6fc |
178 | lttv_context_init(LTTV_TRACESET_CONTEXT(tss), ts); |
8bc02ec8 |
179 | |
180 | value = lttv_attribute_add(attribute, |
181 | LTTV_REQUESTS_QUEUE, |
182 | LTTV_POINTER); |
183 | |
184 | value = lttv_attribute_add(attribute, |
185 | LTTV_REQUESTS_CURRENT, |
186 | LTTV_POINTER); |
187 | |
188 | value = lttv_attribute_add(attribute, |
189 | LTTV_NOTIFY_QUEUE, |
190 | LTTV_POINTER); |
191 | |
192 | value = lttv_attribute_add(attribute, |
193 | LTTV_NOTIFY_CURRENT, |
194 | LTTV_POINTER); |
195 | |
a1a2b649 |
196 | } |
197 | |
198 | /* Remove a trace from the global attributes */ |
199 | |
200 | void lttvwindowtraces_remove_trace(LttvTrace *trace) |
201 | { |
202 | LttvAttribute *g_attribute = lttv_global_attributes(); |
203 | LttvAttribute *attribute; |
204 | LttvAttributeValue value; |
205 | guint i; |
206 | |
207 | g_assert(attribute = |
208 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
209 | LTTV_TRACES))); |
210 | |
211 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
212 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
213 | |
214 | g_assert(trace_v != NULL); |
215 | |
216 | if(trace_v == trace) { |
217 | /* Found */ |
8bc02ec8 |
218 | LttvAttribute *l_attribute; |
219 | |
220 | /* create new traceset and tracesetcontext */ |
221 | LttvTraceset *ts; |
313bd6fc |
222 | LttvTracesetStats *tss; |
8bc02ec8 |
223 | |
224 | l_attribute = lttv_trace_attribute(trace); |
225 | |
226 | |
227 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
228 | LTTV_REQUESTS_QUEUE); |
229 | |
230 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
231 | LTTV_REQUESTS_CURRENT); |
232 | |
233 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
234 | LTTV_NOTIFY_QUEUE); |
235 | |
236 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
237 | LTTV_NOTIFY_CURRENT); |
238 | |
239 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(l_attribute), |
240 | LTTV_COMPUTATION_TRACESET, |
241 | LTTV_POINTER, |
242 | &value)); |
243 | ts = (LttvTraceset*)*(value.v_pointer); |
244 | |
245 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(l_attribute), |
246 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
247 | LTTV_POINTER, |
248 | &value)); |
313bd6fc |
249 | tss = (LttvTracesetStats*)*(value.v_pointer); |
8bc02ec8 |
250 | |
313bd6fc |
251 | lttv_context_fini(LTTV_TRACESET_CONTEXT(tss)); |
252 | g_object_unref(tss); |
8bc02ec8 |
253 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
254 | LTTV_COMPUTATION_TRACESET_CONTEXT); |
255 | lttv_traceset_destroy(ts); |
256 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
257 | LTTV_COMPUTATION_TRACESET); |
258 | |
259 | /* finally, remove the global attribute */ |
a1a2b649 |
260 | lttv_attribute_remove(attribute, i); |
8bc02ec8 |
261 | |
a1a2b649 |
262 | return; |
263 | } |
264 | } |
265 | } |
266 | |
267 | |
268 | /** |
269 | * Function to request data from a specific trace |
270 | * |
271 | * The memory allocated for the request will be managed by the API. |
272 | * |
273 | * @param trace the trace to compute |
274 | * @param module_name the name of the module which registered global computation |
275 | * hooks. |
276 | */ |
277 | |
278 | void lttvwindowtraces_background_request_queue |
279 | (LttvTrace *trace, gchar *module_name) |
280 | { |
281 | BackgroundRequest *bg_req; |
282 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
283 | LttvAttributeValue value; |
284 | GSList **slist; |
285 | guint num; |
286 | |
287 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
288 | LTTV_REQUESTS_QUEUE, |
289 | LTTV_POINTER, |
290 | &value)); |
291 | slist = (GSList**)(value.v_pointer); |
292 | |
293 | bg_req = g_new(BackgroundRequest,1); |
294 | bg_req->module_name = g_quark_from_string(module_name); |
295 | bg_req->trace = trace; |
296 | |
297 | *slist = g_slist_append(*slist, bg_req); |
313bd6fc |
298 | |
299 | /* Priority lower than live servicing */ |
300 | g_idle_remove_by_data(trace); |
301 | g_idle_add_full((G_PRIORITY_HIGH_IDLE + 23), |
302 | (GSourceFunc)lttvwindowtraces_process_pending_requests, |
303 | trace, |
304 | NULL); |
a1a2b649 |
305 | } |
306 | |
307 | /** |
308 | * Remove a background request from a trace. |
309 | * |
310 | * This should ONLY be used by the modules which registered the global hooks |
311 | * (module_name). If this is called by the viewers, it may lead to incomplete |
312 | * and incoherent background processing information. |
313 | * |
314 | * Even if the module which deals with the hooks removes the background |
315 | * requests, it may cause a problem if the module gets loaded again in the |
316 | * session : the data will be partially calculated. The calculation function |
317 | * must deal with this case correctly. |
318 | * |
319 | * @param trace the trace to compute |
320 | * @param module_name the name of the module which registered global computation |
321 | * hooks. |
322 | */ |
323 | |
324 | void lttvwindowtraces_background_request_remove |
325 | (LttvTrace *trace, gchar *module_name) |
326 | { |
327 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
328 | LttvAttributeValue value; |
329 | GSList *iter = NULL; |
330 | GSList **slist; |
331 | |
332 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
333 | LTTV_REQUESTS_QUEUE, |
334 | LTTV_POINTER, |
335 | &value)); |
336 | slist = (GSList**)(value.v_pointer); |
337 | |
338 | for(iter=*slist;iter!=NULL;) { |
339 | BackgroundRequest *bg_req = |
340 | (BackgroundRequest *)iter->data; |
341 | |
342 | if(bg_req->module_name == g_quark_from_string(module_name)) { |
343 | GSList *rem_iter = iter; |
344 | iter=g_slist_next(iter); |
345 | g_free(bg_req); |
346 | *slist = g_slist_delete_link(*slist, rem_iter); |
347 | } else { |
348 | iter=g_slist_next(iter); |
349 | } |
350 | } |
351 | } |
352 | |
353 | |
354 | /** |
355 | * Register a callback to be called when requested data is passed in the next |
356 | * queued background processing. |
357 | * |
358 | * @param owner owner of the background notification |
359 | * @param trace the trace computed |
360 | * @param notify_time time when notification hooks must be called |
361 | * @param notify_position position when notification hooks must be called |
362 | * @param notify Hook to call when the notify position is passed |
363 | */ |
364 | |
365 | void lttvwindowtraces_background_notify_queue |
366 | (gpointer owner, |
367 | LttvTrace *trace, |
368 | LttTime notify_time, |
369 | const LttvTracesetContextPosition *notify_position, |
370 | const LttvHooks *notify) |
371 | { |
372 | BackgroundNotify *bg_notify; |
373 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
374 | LttvAttributeValue value; |
375 | GSList **slist; |
376 | |
377 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
378 | LTTV_NOTIFY_QUEUE, |
379 | LTTV_POINTER, |
380 | &value)); |
381 | slist = (GSList**)(value.v_pointer); |
382 | |
383 | |
384 | bg_notify = g_new(BackgroundNotify,1); |
385 | |
386 | bg_notify->owner = owner; |
387 | bg_notify->trace = trace; |
388 | bg_notify->notify_time = notify_time; |
313bd6fc |
389 | if(notify_position != NULL) { |
390 | bg_notify->notify_position = ltt_traceset_context_position_new(); |
391 | lttv_traceset_context_position_copy(bg_notify->notify_position, |
392 | notify_position); |
393 | } else { |
394 | bg_notify->notify_position = NULL; |
395 | } |
396 | |
a1a2b649 |
397 | bg_notify->notify = lttv_hooks_new(); |
398 | lttv_hooks_add_list(bg_notify->notify, notify); |
399 | |
400 | *slist = g_slist_append(*slist, bg_notify); |
401 | } |
402 | |
403 | /** |
404 | * Register a callback to be called when requested data is passed in the current |
405 | * background processing. |
406 | * |
407 | * @param owner owner of the background notification |
408 | * @param trace the trace computed |
409 | * @param notify_time time when notification hooks must be called |
410 | * @param notify_position position when notification hooks must be called |
411 | * @param notify Hook to call when the notify position is passed |
412 | */ |
413 | |
414 | void lttvwindowtraces_background_notify_current |
415 | (gpointer owner, |
416 | LttvTrace *trace, |
417 | LttTime notify_time, |
418 | const LttvTracesetContextPosition *notify_position, |
419 | const LttvHooks *notify) |
420 | { |
421 | BackgroundNotify *bg_notify; |
422 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
423 | LttvAttributeValue value; |
424 | GSList **slist; |
425 | |
426 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
427 | LTTV_NOTIFY_CURRENT, |
428 | LTTV_POINTER, |
429 | &value)); |
430 | slist = (GSList**)(value.v_pointer); |
431 | |
432 | bg_notify = g_new(BackgroundNotify,1); |
433 | |
434 | bg_notify->owner = owner; |
435 | bg_notify->trace = trace; |
436 | bg_notify->notify_time = notify_time; |
313bd6fc |
437 | if(notify_position!= NULL) { |
438 | bg_notify->notify_position = ltt_traceset_context_position_new(); |
439 | lttv_traceset_context_position_copy(bg_notify->notify_position, |
440 | notify_position); |
441 | } else { |
442 | bg_notify->notify_position = NULL; |
443 | } |
a1a2b649 |
444 | bg_notify->notify = lttv_hooks_new(); |
445 | lttv_hooks_add_list(bg_notify->notify, notify); |
446 | |
447 | *slist = g_slist_append(*slist, bg_notify); |
448 | } |
449 | |
450 | /** |
451 | * Removes all the notifications requests from a specific viewer. |
452 | * |
453 | * @param owner owner of the background notification |
454 | */ |
455 | |
456 | void lttvwindowtraces_background_notify_remove(gpointer owner) |
457 | { |
458 | guint i; |
459 | |
460 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
461 | LttvAttribute *attribute; |
462 | LttvAttributeValue value; |
463 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
464 | GSList **slist; |
465 | GSList *iter = NULL; |
466 | |
467 | g_assert(trace_v != NULL); |
468 | |
469 | LttvAttribute *t_a = lttv_trace_attribute(trace_v); |
470 | |
471 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
472 | LTTV_NOTIFY_QUEUE, |
473 | LTTV_POINTER, |
474 | &value)); |
475 | slist = (GSList**)(value.v_pointer); |
476 | |
477 | for(iter=*slist;iter!=NULL;) { |
478 | |
479 | BackgroundNotify *bg_notify = (BackgroundNotify*)iter->data; |
480 | |
481 | if(bg_notify->owner == owner) { |
482 | GSList *rem_iter = iter; |
483 | iter=g_slist_next(iter); |
313bd6fc |
484 | if(bg_notify->notify_position != NULL) |
485 | lttv_traceset_context_position_destroy( |
486 | bg_notify->notify_position); |
a1a2b649 |
487 | lttv_hooks_destroy(bg_notify->notify); |
488 | g_free(bg_notify); |
489 | g_slist_remove_link(*slist, rem_iter); |
490 | } else { |
491 | iter=g_slist_next(iter); |
492 | } |
493 | } |
494 | |
495 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
496 | LTTV_NOTIFY_CURRENT, |
497 | LTTV_POINTER, |
498 | &value)); |
499 | slist = (GSList**)(value.v_pointer); |
500 | |
501 | for(iter=*slist;iter!=NULL;) { |
502 | |
503 | BackgroundNotify *bg_notify = (BackgroundNotify*)iter->data; |
504 | |
505 | if(bg_notify->owner == owner) { |
506 | GSList *rem_iter = iter; |
507 | iter=g_slist_next(iter); |
313bd6fc |
508 | if(bg_notify->notify_position != NULL) |
509 | lttv_traceset_context_position_destroy( |
510 | bg_notify->notify_position); |
a1a2b649 |
511 | lttv_hooks_destroy(bg_notify->notify); |
512 | g_free(bg_notify); |
513 | g_slist_remove_link(*slist, rem_iter); |
514 | } else { |
515 | iter=g_slist_next(iter); |
516 | } |
517 | } |
518 | } |
519 | } |
520 | |
8bc02ec8 |
521 | |
522 | /* Background processing helper functions */ |
523 | |
524 | void lttvwindowtraces_add_computation_hooks(LttvAttributeName module_name, |
525 | LttvTracesetContext *tsc) |
526 | { |
527 | LttvAttribute *g_attribute = lttv_global_attributes(); |
528 | LttvAttribute *module_attribute; |
529 | LttvAttributeType type; |
530 | LttvAttributeValue value; |
531 | LttvHooks *before_chunk_traceset=NULL; |
532 | LttvHooks *before_chunk_trace=NULL; |
533 | LttvHooks *before_chunk_tracefile=NULL; |
534 | LttvHooks *event_hook=NULL; |
535 | LttvHooksById *event_hook_by_id=NULL; |
313bd6fc |
536 | LttvTracesetStats *tss = LTTV_TRACESET_STATS(tsc); |
8bc02ec8 |
537 | |
538 | |
539 | g_assert(module_attribute = |
540 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
541 | LTTV_COMPUTATION))); |
542 | |
543 | g_assert(module_attribute = |
544 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
545 | LTTV_IATTRIBUTE(module_attribute), |
546 | module_name))); |
547 | |
548 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
549 | LTTV_BEFORE_CHUNK_TRACESET, |
550 | &value); |
551 | if(type == LTTV_POINTER) { |
552 | before_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
553 | } |
554 | |
555 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
556 | LTTV_BEFORE_CHUNK_TRACE, |
557 | &value); |
558 | if(type == LTTV_POINTER) { |
559 | before_chunk_trace = (LttvHooks*)*(value.v_pointer); |
560 | } |
561 | |
562 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
563 | LTTV_BEFORE_CHUNK_TRACEFILE, |
564 | &value); |
565 | if(type == LTTV_POINTER) { |
566 | before_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
567 | } |
568 | |
569 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
570 | LTTV_EVENT_HOOK, |
571 | &value); |
572 | if(type == LTTV_POINTER) { |
573 | event_hook = (LttvHooks*)*(value.v_pointer); |
574 | } |
575 | |
576 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
577 | LTTV_EVENT_HOOK_BY_ID, |
578 | &value); |
579 | if(type == LTTV_POINTER) { |
580 | event_hook_by_id = (LttvHooksById*)*(value.v_pointer); |
581 | } |
582 | |
313bd6fc |
583 | /* Call the module's hook adder */ |
584 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
585 | LTTV_HOOK_ADDER, |
586 | &value); |
587 | if(type == LTTV_POINTER) { |
588 | lttv_hooks_call((LttvHooks*)*(value.v_pointer), (gpointer)tss); |
589 | } |
590 | |
591 | |
8bc02ec8 |
592 | |
593 | lttv_process_traceset_begin(tsc, |
594 | before_chunk_traceset, |
595 | before_chunk_trace, |
596 | before_chunk_tracefile, |
597 | event_hook, |
598 | event_hook_by_id); |
599 | |
600 | } |
601 | |
602 | void lttvwindowtraces_remove_computation_hooks(LttvAttributeName module_name, |
603 | LttvTracesetContext *tsc) |
604 | { |
605 | LttvAttribute *g_attribute = lttv_global_attributes(); |
606 | LttvAttribute *module_attribute; |
607 | LttvAttributeType type; |
608 | LttvAttributeValue value; |
609 | LttvHooks *after_chunk_traceset=NULL; |
610 | LttvHooks *after_chunk_trace=NULL; |
611 | LttvHooks *after_chunk_tracefile=NULL; |
612 | LttvHooks *event_hook=NULL; |
613 | LttvHooksById *event_hook_by_id=NULL; |
313bd6fc |
614 | LttvTracesetStats *tss = LTTV_TRACESET_STATS(tsc); |
8bc02ec8 |
615 | |
616 | g_assert(module_attribute = |
617 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
618 | LTTV_COMPUTATION))); |
619 | |
620 | g_assert(module_attribute = |
621 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
622 | LTTV_IATTRIBUTE(module_attribute), |
623 | module_name))); |
624 | |
625 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
626 | LTTV_AFTER_CHUNK_TRACESET, |
627 | &value); |
628 | if(type == LTTV_POINTER) { |
629 | after_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
630 | } |
631 | |
632 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
633 | LTTV_AFTER_CHUNK_TRACE, |
634 | &value); |
635 | if(type == LTTV_POINTER) { |
636 | after_chunk_trace = (LttvHooks*)*(value.v_pointer); |
637 | } |
638 | |
639 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
640 | LTTV_AFTER_CHUNK_TRACEFILE, |
641 | &value); |
642 | if(type == LTTV_POINTER) { |
643 | after_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
644 | } |
645 | |
646 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
647 | LTTV_EVENT_HOOK, |
648 | &value); |
649 | if(type == LTTV_POINTER) { |
650 | event_hook = (LttvHooks*)*(value.v_pointer); |
651 | } |
652 | |
653 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
654 | LTTV_EVENT_HOOK_BY_ID, |
655 | &value); |
656 | if(type == LTTV_POINTER) { |
657 | event_hook_by_id = (LttvHooksById*)*(value.v_pointer); |
658 | } |
313bd6fc |
659 | |
8bc02ec8 |
660 | lttv_process_traceset_end(tsc, |
661 | after_chunk_traceset, |
662 | after_chunk_trace, |
663 | after_chunk_tracefile, |
664 | event_hook, |
665 | event_hook_by_id); |
313bd6fc |
666 | |
667 | /* Call the module's hook remover */ |
668 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
669 | LTTV_HOOK_REMOVER, |
670 | &value); |
671 | if(type == LTTV_POINTER) { |
672 | lttv_hooks_call((LttvHooks*)*(value.v_pointer), (gpointer)tss); |
673 | } |
8bc02ec8 |
674 | } |
675 | |
676 | |
677 | void lttvwindowtraces_set_in_progress(LttvAttributeName module_name, |
678 | LttvTrace *trace) |
679 | { |
680 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
681 | LttvAttributeValue value; |
682 | |
683 | g_assert(attribute = |
684 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
685 | module_name))); |
686 | |
687 | value = lttv_iattribute_add(LTTV_IATTRIBUTE(attribute), |
688 | LTTV_IN_PROGRESS, |
689 | LTTV_INT); |
690 | /* the value is left unset. The only presence of the attribute is necessary. |
691 | */ |
692 | } |
693 | |
694 | void lttvwindowtraces_unset_in_progress(LttvAttributeName module_name, |
695 | LttvTrace *trace) |
696 | { |
697 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
698 | |
699 | g_assert(attribute = |
700 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
701 | module_name))); |
702 | |
313bd6fc |
703 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
8bc02ec8 |
704 | LTTV_IN_PROGRESS); |
705 | } |
706 | |
707 | gboolean lttvwindowtraces_get_in_progress(LttvAttributeName module_name, |
708 | LttvTrace *trace) |
709 | { |
710 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
711 | LttvAttributeType type; |
712 | LttvAttributeValue value; |
713 | |
714 | g_assert(attribute = |
715 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
716 | module_name))); |
717 | |
718 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
719 | LTTV_IN_PROGRESS, |
720 | &value); |
721 | /* The only presence of the attribute is necessary. */ |
722 | if(type == LTTV_NONE) |
723 | return FALSE; |
724 | else |
725 | return TRUE; |
726 | } |
727 | |
728 | void lttvwindowtraces_set_ready(LttvAttributeName module_name, |
729 | LttvTrace *trace) |
730 | { |
731 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
732 | LttvAttributeValue value; |
733 | |
734 | g_assert(attribute = |
735 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
736 | module_name))); |
737 | |
738 | value = lttv_iattribute_add(LTTV_IATTRIBUTE(attribute), |
739 | LTTV_READY, |
740 | LTTV_INT); |
741 | /* the value is left unset. The only presence of the attribute is necessary. |
742 | */ |
743 | } |
744 | |
745 | void lttvwindowtraces_unset_ready(LttvAttributeName module_name, |
746 | LttvTrace *trace) |
747 | { |
748 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
749 | |
750 | g_assert(attribute = |
751 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
752 | module_name))); |
753 | |
313bd6fc |
754 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
8bc02ec8 |
755 | LTTV_READY); |
756 | } |
757 | |
758 | gboolean lttvwindowtraces_get_ready(LttvAttributeName module_name, |
759 | LttvTrace *trace) |
760 | { |
761 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
762 | LttvAttributeType type; |
763 | LttvAttributeValue value; |
764 | |
765 | g_assert(attribute = |
766 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
767 | module_name))); |
768 | |
769 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
770 | LTTV_READY, |
771 | &value); |
772 | /* The only presence of the attribute is necessary. */ |
773 | if(type == LTTV_NONE) |
774 | return FALSE; |
775 | else |
776 | return TRUE; |
777 | } |
778 | |
779 | |
780 | |
781 | /* lttvwindowtraces_process_pending_requests |
782 | * |
783 | * This internal function gets called by g_idle, taking care of the pending |
784 | * requests. |
785 | * |
786 | */ |
787 | |
788 | |
789 | gboolean lttvwindowtraces_process_pending_requests(LttvTrace *trace) |
790 | { |
791 | LttvTracesetContext *tsc; |
313bd6fc |
792 | LttvTracesetStats *tss; |
8bc02ec8 |
793 | LttvTraceset *ts; |
794 | LttvAttribute *attribute; |
313bd6fc |
795 | GSList **list_out, **list_in, **notify_in, **notify_out; |
8bc02ec8 |
796 | LttvAttributeValue value; |
797 | LttvAttributeType type; |
798 | |
313bd6fc |
799 | if(trace == NULL) |
8bc02ec8 |
800 | return FALSE; |
801 | |
802 | attribute = lttv_trace_attribute(trace); |
803 | |
804 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
805 | LTTV_REQUESTS_QUEUE, |
806 | &value); |
807 | g_assert(type == LTTV_POINTER); |
313bd6fc |
808 | list_out = (GSList**)(value.v_pointer); |
8bc02ec8 |
809 | |
810 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
811 | LTTV_REQUESTS_CURRENT, |
812 | &value); |
813 | g_assert(type == LTTV_POINTER); |
313bd6fc |
814 | list_in = (GSList**)(value.v_pointer); |
8bc02ec8 |
815 | |
816 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
817 | LTTV_NOTIFY_QUEUE, |
818 | &value); |
819 | g_assert(type == LTTV_POINTER); |
313bd6fc |
820 | notify_out = (GSList**)(value.v_pointer); |
8bc02ec8 |
821 | |
822 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
823 | LTTV_NOTIFY_CURRENT, |
824 | &value); |
825 | g_assert(type == LTTV_POINTER); |
313bd6fc |
826 | notify_in = (GSList**)(value.v_pointer); |
8bc02ec8 |
827 | |
828 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
829 | LTTV_COMPUTATION_TRACESET, |
830 | &value); |
831 | g_assert(type == LTTV_POINTER); |
832 | ts = (LttvTraceset*)*(value.v_pointer); |
833 | |
834 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
835 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
836 | &value); |
837 | g_assert(type == LTTV_POINTER); |
838 | tsc = (LttvTracesetContext*)*(value.v_pointer); |
313bd6fc |
839 | tss = (LttvTracesetStats*)*(value.v_pointer); |
8bc02ec8 |
840 | g_assert(LTTV_IS_TRACESET_CONTEXT(tsc)); |
313bd6fc |
841 | g_assert(LTTV_IS_TRACESET_STATS(tss)); |
8bc02ec8 |
842 | |
843 | /* There is no events requests pending : we should never have been called! */ |
313bd6fc |
844 | g_assert(g_slist_length(*list_out) != 0 || g_slist_length(*list_in) != 0); |
8bc02ec8 |
845 | |
846 | |
847 | |
848 | /* 1. Before processing */ |
849 | { |
850 | /* if list_in is empty */ |
313bd6fc |
851 | if(g_slist_length(*list_in) == 0) { |
8bc02ec8 |
852 | |
853 | { |
854 | /* - Add all requests in list_out to list_in, empty list_out */ |
313bd6fc |
855 | GSList *iter = *list_out; |
8bc02ec8 |
856 | |
857 | while(iter != NULL) { |
858 | gboolean remove = FALSE; |
859 | gboolean free_data = FALSE; |
860 | |
861 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
862 | |
863 | remove = TRUE; |
864 | free_data = FALSE; |
313bd6fc |
865 | *list_in = g_slist_append(*list_in, bg_req); |
8bc02ec8 |
866 | |
867 | /* Go to next */ |
868 | if(remove) |
869 | { |
870 | GSList *remove_iter = iter; |
871 | |
872 | iter = g_slist_next(iter); |
873 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
874 | *list_out = g_slist_remove_link(*list_out, remove_iter); |
8bc02ec8 |
875 | } else { // not remove |
876 | iter = g_slist_next(iter); |
877 | } |
878 | } |
879 | } |
880 | |
881 | { |
313bd6fc |
882 | GSList *iter = *list_in; |
8bc02ec8 |
883 | /* - for each request in list_in */ |
884 | while(iter != NULL) { |
885 | |
886 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
887 | /*- add hooks to context*/ |
888 | lttvwindowtraces_set_in_progress(bg_req->module_name, |
889 | bg_req->trace); |
890 | |
891 | iter = g_slist_next(iter); |
892 | } |
893 | } |
894 | |
895 | /* - seek trace to start */ |
896 | { |
897 | LttTime start = { 0, 0}; |
898 | lttv_process_traceset_seek_time(tsc, start); |
899 | } |
900 | |
901 | /* - Move all notifications from notify_out to notify_in. */ |
902 | { |
313bd6fc |
903 | GSList *iter = *notify_out; |
904 | g_assert(g_slist_length(*notify_in) == 0); |
8bc02ec8 |
905 | |
906 | while(iter != NULL) { |
907 | gboolean remove = FALSE; |
908 | gboolean free_data = FALSE; |
909 | |
910 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
911 | |
912 | remove = TRUE; |
913 | free_data = FALSE; |
313bd6fc |
914 | *notify_in = g_slist_append(*notify_in, notify_req); |
8bc02ec8 |
915 | |
916 | /* Go to next */ |
917 | if(remove) |
918 | { |
919 | GSList *remove_iter = iter; |
920 | |
921 | iter = g_slist_next(iter); |
922 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
923 | *notify_out = g_slist_remove_link(*notify_out, remove_iter); |
8bc02ec8 |
924 | } else { // not remove |
925 | iter = g_slist_next(iter); |
926 | } |
927 | } |
928 | } |
929 | } |
930 | |
931 | { |
313bd6fc |
932 | GSList *iter = *list_in; |
8bc02ec8 |
933 | /* - for each request in list_in */ |
934 | while(iter != NULL) { |
935 | |
936 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
937 | /*- Call before chunk hooks for list_in*/ |
938 | /*- add hooks to context*/ |
939 | lttvwindowtraces_add_computation_hooks(bg_req->module_name, |
940 | tsc); |
941 | iter = g_slist_next(iter); |
942 | } |
943 | } |
944 | } |
945 | |
946 | /* 2. call process traceset middle for a chunk */ |
947 | { |
948 | /*(assert list_in is not empty! : should not even be called in that case)*/ |
949 | LttTime end = { G_MAXUINT, G_MAXUINT }; |
313bd6fc |
950 | g_assert(g_slist_length(*list_in) != 0); |
8bc02ec8 |
951 | |
952 | lttv_process_traceset_middle(tsc, end, CHUNK_NUM_EVENTS, NULL); |
953 | } |
954 | |
955 | /* 3. After the chunk */ |
956 | { |
957 | /* 3.1 call after_chunk hooks for list_in */ |
958 | { |
313bd6fc |
959 | GSList *iter = *list_in; |
8bc02ec8 |
960 | /* - for each request in list_in */ |
961 | while(iter != NULL) { |
962 | |
963 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
964 | /* - Call after chunk hooks for list_in */ |
965 | /* - remove hooks from context */ |
966 | lttvwindowtraces_remove_computation_hooks(bg_req->module_name, |
967 | tsc); |
968 | iter = g_slist_next(iter); |
969 | } |
970 | } |
971 | |
972 | /* 3.2 for each notify_in */ |
973 | { |
313bd6fc |
974 | GSList *iter = *notify_in; |
8bc02ec8 |
975 | LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc); |
976 | |
977 | while(iter != NULL) { |
978 | gboolean remove = FALSE; |
979 | gboolean free_data = FALSE; |
980 | |
981 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
982 | |
983 | /* - if current time >= notify time, call notify and remove from |
984 | * notify_in. |
985 | * - if current position >= notify position, call notify and remove |
986 | * from notify_in. |
987 | */ |
988 | if( (tfc != NULL && |
313bd6fc |
989 | ltt_time_compare(notify_req->notify_time, tfc->timestamp) <= 0) |
8bc02ec8 |
990 | || |
313bd6fc |
991 | (notify_req->notify_position != NULL && |
992 | lttv_traceset_context_ctx_pos_compare(tsc, |
993 | notify_req->notify_position) >= 0) |
8bc02ec8 |
994 | ) { |
995 | |
996 | lttv_hooks_call(notify_req->notify, notify_req); |
997 | |
998 | remove = TRUE; |
999 | free_data = TRUE; |
1000 | } |
1001 | |
1002 | /* Go to next */ |
1003 | if(remove) |
1004 | { |
1005 | GSList *remove_iter = iter; |
1006 | |
1007 | iter = g_slist_next(iter); |
1008 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1009 | *notify_in = g_slist_remove_link(*notify_in, remove_iter); |
8bc02ec8 |
1010 | } else { // not remove |
1011 | iter = g_slist_next(iter); |
1012 | } |
1013 | } |
1014 | } |
1015 | |
1016 | { |
1017 | LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc); |
1018 | /* 3.3 if end of trace reached */ |
313bd6fc |
1019 | if(tfc != NULL) |
1020 | g_debug("Current time : %lu sec, %lu nsec", |
1021 | tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec); |
8bc02ec8 |
1022 | if(tfc == NULL || ltt_time_compare(tfc->timestamp, |
1023 | tsc->time_span.end_time) > 0) { |
1024 | |
1025 | /* - for each request in list_in */ |
1026 | { |
313bd6fc |
1027 | GSList *iter = *list_in; |
8bc02ec8 |
1028 | |
1029 | while(iter != NULL) { |
1030 | gboolean remove = FALSE; |
1031 | gboolean free_data = FALSE; |
1032 | |
1033 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1034 | |
1035 | /* - set hooks'in_progress flag to FALSE */ |
1036 | lttvwindowtraces_unset_in_progress(bg_req->module_name, |
1037 | bg_req->trace); |
1038 | /* - set hooks'ready flag to TRUE */ |
1039 | lttvwindowtraces_set_ready(bg_req->module_name, |
1040 | bg_req->trace); |
1041 | /* - remove request */ |
1042 | remove = TRUE; |
1043 | free_data = TRUE; |
1044 | |
1045 | /* Go to next */ |
1046 | if(remove) |
1047 | { |
1048 | GSList *remove_iter = iter; |
1049 | |
1050 | iter = g_slist_next(iter); |
1051 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1052 | *list_in = g_slist_remove_link(*list_in, remove_iter); |
8bc02ec8 |
1053 | } else { // not remove |
1054 | iter = g_slist_next(iter); |
1055 | } |
1056 | } |
1057 | } |
1058 | |
1059 | /* - for each notifications in notify_in */ |
1060 | { |
313bd6fc |
1061 | GSList *iter = *notify_in; |
8bc02ec8 |
1062 | |
1063 | while(iter != NULL) { |
1064 | gboolean remove = FALSE; |
1065 | gboolean free_data = FALSE; |
1066 | |
1067 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
1068 | |
1069 | /* - call notify and remove from notify_in */ |
1070 | lttv_hooks_call(notify_req->notify, notify_req); |
1071 | remove = TRUE; |
1072 | free_data = TRUE; |
1073 | |
1074 | /* Go to next */ |
1075 | if(remove) |
1076 | { |
1077 | GSList *remove_iter = iter; |
1078 | |
1079 | iter = g_slist_next(iter); |
1080 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1081 | *notify_in = g_slist_remove_link(*notify_in, remove_iter); |
8bc02ec8 |
1082 | } else { // not remove |
1083 | iter = g_slist_next(iter); |
1084 | } |
1085 | } |
1086 | } |
1087 | |
1088 | /* - return FALSE (scheduler stopped) */ |
313bd6fc |
1089 | g_debug("Background computation scheduler stopped"); |
8bc02ec8 |
1090 | return FALSE; |
1091 | } else { |
1092 | /* 3.4 else, end of trace not reached */ |
1093 | /* - return TRUE (scheduler still registered) */ |
313bd6fc |
1094 | g_debug("Background computation left"); |
8bc02ec8 |
1095 | return TRUE; |
1096 | } |
1097 | } |
1098 | } |
1099 | } |
e62a7964 |
1100 | |
1101 | |
1102 | |
1103 | /** |
1104 | * Register the background computation hooks for a specific module. It adds the |
313bd6fc |
1105 | * computation hooks to the global attrubutes, under "computation/module name". |
e62a7964 |
1106 | * |
1107 | * @param module_name A GQuark : the name of the module which computes the |
1108 | * information. |
1109 | */ |
1110 | void lttvwindowtraces_register_computation_hooks(LttvAttributeName module_name, |
1111 | LttvHooks *before_chunk_traceset, |
1112 | LttvHooks *before_chunk_trace, |
1113 | LttvHooks *before_chunk_tracefile, |
1114 | LttvHooks *after_chunk_traceset, |
1115 | LttvHooks *after_chunk_trace, |
1116 | LttvHooks *after_chunk_tracefile, |
1117 | LttvHooks *before_request, |
1118 | LttvHooks *after_request, |
1119 | LttvHooks *event_hook, |
313bd6fc |
1120 | LttvHooksById *event_hook_by_id, |
1121 | LttvHooks *hook_adder, |
1122 | LttvHooks *hook_remover) |
e62a7964 |
1123 | { |
1124 | LttvAttribute *g_attribute = lttv_global_attributes(); |
1125 | LttvAttribute *attribute; |
1126 | LttvAttributeValue value; |
1127 | |
1128 | g_assert(attribute = |
1129 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1130 | LTTV_COMPUTATION))); |
1131 | |
1132 | g_assert(attribute = |
1133 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
1134 | module_name))); |
1135 | |
1136 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1137 | LTTV_BEFORE_CHUNK_TRACESET, |
1138 | LTTV_POINTER, |
1139 | &value)); |
1140 | *(value.v_pointer) = before_chunk_traceset; |
1141 | |
1142 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1143 | LTTV_BEFORE_CHUNK_TRACE, |
1144 | LTTV_POINTER, |
1145 | &value)); |
1146 | *(value.v_pointer) = before_chunk_trace; |
1147 | |
1148 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1149 | LTTV_BEFORE_CHUNK_TRACEFILE, |
1150 | LTTV_POINTER, |
1151 | &value)); |
1152 | *(value.v_pointer) = before_chunk_tracefile; |
1153 | |
1154 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1155 | LTTV_AFTER_CHUNK_TRACESET, |
1156 | LTTV_POINTER, |
1157 | &value)); |
1158 | *(value.v_pointer) = after_chunk_traceset; |
1159 | |
1160 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1161 | LTTV_AFTER_CHUNK_TRACE, |
1162 | LTTV_POINTER, |
1163 | &value)); |
1164 | *(value.v_pointer) = after_chunk_trace; |
1165 | |
1166 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1167 | LTTV_AFTER_CHUNK_TRACEFILE, |
1168 | LTTV_POINTER, |
1169 | &value)); |
1170 | *(value.v_pointer) = after_chunk_tracefile; |
1171 | |
1172 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1173 | LTTV_BEFORE_REQUEST, |
1174 | LTTV_POINTER, |
1175 | &value)); |
1176 | *(value.v_pointer) = before_request; |
1177 | |
1178 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1179 | LTTV_AFTER_REQUEST, |
1180 | LTTV_POINTER, |
1181 | &value)); |
1182 | *(value.v_pointer) = after_request; |
1183 | |
1184 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1185 | LTTV_EVENT_HOOK, |
1186 | LTTV_POINTER, |
1187 | &value)); |
1188 | *(value.v_pointer) = event_hook; |
1189 | |
1190 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1191 | LTTV_EVENT_HOOK_BY_ID, |
1192 | LTTV_POINTER, |
1193 | &value)); |
1194 | *(value.v_pointer) = event_hook_by_id; |
1195 | |
313bd6fc |
1196 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1197 | LTTV_HOOK_ADDER, |
1198 | LTTV_POINTER, |
1199 | &value)); |
1200 | *(value.v_pointer) = hook_adder; |
1201 | |
1202 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1203 | LTTV_HOOK_REMOVER, |
1204 | LTTV_POINTER, |
1205 | &value)); |
1206 | *(value.v_pointer) = hook_remover; |
1207 | |
e62a7964 |
1208 | } |
1209 | |
1210 | |
1211 | /** |
1212 | * It removes all the requests than can be currently processed by the |
1213 | * background computation algorithm for all the traces (list_in and list_out). |
1214 | * |
1215 | * Leaves the flag to in_progress or none.. depending if current or queue |
1216 | * |
1217 | * @param module_name A GQuark : the name of the module which computes the |
1218 | * information. |
1219 | */ |
1220 | void lttvwindowtraces_unregister_requests(LttvAttributeName module_name) |
1221 | { |
1222 | guint i; |
1223 | |
1224 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
1225 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
1226 | g_assert(trace_v != NULL); |
1227 | LttTrace *trace; |
1228 | LttvAttribute *attribute = lttv_trace_attribute(trace_v); |
1229 | LttvAttributeValue value; |
313bd6fc |
1230 | GSList **queue, **current; |
e62a7964 |
1231 | GSList *iter; |
1232 | |
1233 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1234 | LTTV_REQUESTS_QUEUE, |
1235 | LTTV_POINTER, |
1236 | &value)); |
313bd6fc |
1237 | queue = (GSList**)(value.v_pointer); |
e62a7964 |
1238 | |
313bd6fc |
1239 | iter = *queue; |
e62a7964 |
1240 | while(iter != NULL) { |
1241 | gboolean remove = FALSE; |
1242 | gboolean free_data = FALSE; |
1243 | |
1244 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1245 | |
1246 | if(bg_req->module_name == module_name) { |
1247 | remove = TRUE; |
1248 | free_data = TRUE; |
1249 | } |
1250 | |
1251 | /* Go to next */ |
1252 | if(remove) |
1253 | { |
1254 | GSList *remove_iter = iter; |
1255 | |
1256 | iter = g_slist_next(iter); |
1257 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1258 | *queue = g_slist_remove_link(*queue, remove_iter); |
e62a7964 |
1259 | } else { // not remove |
1260 | iter = g_slist_next(iter); |
1261 | } |
1262 | } |
1263 | |
1264 | |
1265 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1266 | LTTV_REQUESTS_CURRENT, |
1267 | LTTV_POINTER, |
1268 | &value)); |
313bd6fc |
1269 | current = (GSList**)(value.v_pointer); |
e62a7964 |
1270 | |
313bd6fc |
1271 | iter = *current; |
e62a7964 |
1272 | while(iter != NULL) { |
1273 | gboolean remove = FALSE; |
1274 | gboolean free_data = FALSE; |
1275 | |
1276 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1277 | |
1278 | if(bg_req->module_name == module_name) { |
1279 | remove = TRUE; |
1280 | free_data = TRUE; |
1281 | } |
1282 | |
1283 | /* Go to next */ |
1284 | if(remove) |
1285 | { |
1286 | GSList *remove_iter = iter; |
1287 | |
1288 | iter = g_slist_next(iter); |
1289 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1290 | *current = g_slist_remove_link(*current, remove_iter); |
e62a7964 |
1291 | } else { // not remove |
1292 | iter = g_slist_next(iter); |
1293 | } |
1294 | } |
1295 | } |
1296 | } |
1297 | |
1298 | |
1299 | /** |
1300 | * Unregister the background computation hooks for a specific module. |
1301 | * |
1302 | * It also removes all the requests than can be currently processed by the |
1303 | * background computation algorithm for all the traces (list_in and list_out). |
1304 | * |
1305 | * @param module_name A GQuark : the name of the module which computes the |
1306 | * information. |
1307 | */ |
1308 | |
1309 | void lttvwindowtraces_unregister_computation_hooks |
1310 | (LttvAttributeName module_name) |
1311 | { |
1312 | LttvAttribute *g_attribute = lttv_global_attributes(); |
1313 | LttvAttribute *attribute; |
1314 | |
1315 | g_assert(attribute = |
1316 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1317 | LTTV_COMPUTATION))); |
1318 | g_assert(attribute = |
1319 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
1320 | module_name))); |
1321 | |
1322 | |
1323 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1324 | LTTV_EVENT_HOOK_BY_ID); |
1325 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1326 | LTTV_EVENT_HOOK); |
1327 | |
1328 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1329 | LTTV_AFTER_REQUEST); |
1330 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1331 | LTTV_BEFORE_REQUEST); |
1332 | |
1333 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1334 | LTTV_AFTER_CHUNK_TRACEFILE); |
1335 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1336 | LTTV_AFTER_CHUNK_TRACE); |
1337 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1338 | LTTV_AFTER_CHUNK_TRACESET); |
1339 | |
1340 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1341 | LTTV_BEFORE_CHUNK_TRACEFILE); |
1342 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1343 | LTTV_BEFORE_CHUNK_TRACE); |
1344 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1345 | LTTV_BEFORE_CHUNK_TRACESET); |
313bd6fc |
1346 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1347 | LTTV_HOOK_ADDER); |
1348 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1349 | LTTV_HOOK_REMOVER); |
1350 | |
e62a7964 |
1351 | /* finally, remove module name */ |
1352 | g_assert(attribute = |
1353 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1354 | LTTV_COMPUTATION))); |
1355 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1356 | module_name); |
1357 | |
1358 | } |
1359 | |
1360 | |