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 | |
4e4d11b3 |
23 | #ifdef HAVE_CONFIG_H |
24 | #include <config.h> |
25 | #endif |
26 | |
0fdb8bb0 |
27 | #include <sys/types.h> |
28 | #include <sys/stat.h> |
29 | #include <unistd.h> |
2eef04b5 |
30 | #include <string.h> |
0fdb8bb0 |
31 | |
a1a2b649 |
32 | #include <ltt/time.h> |
33 | #include <ltt/trace.h> |
34 | #include <glib.h> |
35 | #include <lttv/lttv.h> |
36 | #include <lttv/traceset.h> |
37 | #include <lttv/attribute.h> |
38 | #include <lttv/tracecontext.h> |
39 | #include <lttvwindow/lttvwindowtraces.h> |
8bc02ec8 |
40 | #include <lttvwindow/lttvwindow.h> // for CHUNK_NUM_EVENTS |
a1a2b649 |
41 | |
42 | |
43 | typedef struct _BackgroundRequest { |
44 | LttvAttributeName module_name; /* Hook path in global attributes, |
45 | where all standard hooks under computation/. |
46 | i.e. modulename */ |
47 | LttvTrace *trace; /* trace concerned */ |
93ac601b |
48 | GtkWidget *dialog; /* Dialog linked with the request, may be NULL */ |
a1a2b649 |
49 | } BackgroundRequest; |
50 | |
51 | typedef struct _BackgroundNotify { |
52 | gpointer owner; |
53 | LttvTrace *trace; /* trace */ |
54 | LttTime notify_time; |
55 | LttvTracesetContextPosition *notify_position; |
56 | LttvHooks *notify; /* Hook to call when the notify is |
57 | passed, or at the end of trace */ |
58 | } BackgroundNotify; |
59 | |
60 | |
61 | |
313bd6fc |
62 | /* Prototypes */ |
63 | gboolean lttvwindowtraces_process_pending_requests(LttvTrace *trace); |
64 | |
a1a2b649 |
65 | /* Get a trace by its path name. |
66 | * |
67 | * @param path path of the trace on the virtual file system. |
68 | * @return Pointer to trace if found |
69 | * NULL is returned if the trace is not present |
70 | */ |
71 | |
72 | LttvTrace *lttvwindowtraces_get_trace_by_name(gchar *path) |
73 | { |
a1a2b649 |
74 | guint i; |
75 | |
76 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
77 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
78 | LttTrace *trace; |
79 | gchar *name; |
a1a2b649 |
80 | g_assert(trace_v != NULL); |
81 | |
82 | trace = lttv_trace(trace_v); |
83 | g_assert(trace != NULL); |
d27948a3 |
84 | name = g_quark_to_string(ltt_trace_name(trace)); |
a1a2b649 |
85 | |
86 | if(strcmp(name, path) == 0) { |
87 | /* Found */ |
88 | return trace_v; |
89 | } |
90 | } |
91 | |
92 | return NULL; |
93 | } |
94 | |
95 | /* Get a trace by its number identifier */ |
96 | |
97 | LttvTrace *lttvwindowtraces_get_trace(guint num) |
98 | { |
99 | LttvAttribute *g_attribute = lttv_global_attributes(); |
100 | LttvAttribute *attribute; |
101 | LttvAttributeType type; |
102 | LttvAttributeName name; |
103 | LttvAttributeValue value; |
104 | |
105 | g_assert(attribute = |
106 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
107 | LTTV_TRACES))); |
108 | |
109 | type = lttv_iattribute_get(LTTV_IATTRIBUTE(attribute), num, &name, &value); |
110 | |
111 | if(type == LTTV_POINTER) { |
112 | return (LttvTrace *)*(value.v_pointer); |
113 | } |
114 | |
115 | return NULL; |
116 | } |
117 | |
118 | /* Total number of traces */ |
119 | |
120 | guint lttvwindowtraces_get_number() |
121 | { |
122 | LttvAttribute *g_attribute = lttv_global_attributes(); |
123 | LttvAttribute *attribute; |
124 | LttvAttributeValue value; |
125 | |
126 | g_assert(attribute = |
127 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
128 | LTTV_TRACES))); |
129 | |
130 | return ( lttv_iattribute_get_number(LTTV_IATTRIBUTE(attribute)) ); |
131 | } |
132 | |
133 | /* Add a trace to the global attributes */ |
134 | |
135 | void lttvwindowtraces_add_trace(LttvTrace *trace) |
136 | { |
137 | LttvAttribute *g_attribute = lttv_global_attributes(); |
138 | LttvAttribute *attribute; |
139 | LttvAttributeValue value; |
140 | guint num; |
0fdb8bb0 |
141 | struct stat buf; |
142 | gchar attribute_path[PATH_MAX]; |
a1a2b649 |
143 | |
23bb9b6b |
144 | if(stat(g_quark_to_string(ltt_trace_name(lttv_trace(trace))), &buf)) { |
0fdb8bb0 |
145 | g_warning("lttvwindowtraces_add_trace: Trace %s not found", |
23bb9b6b |
146 | g_quark_to_string(ltt_trace_name(lttv_trace(trace)))); |
0fdb8bb0 |
147 | return; |
148 | } |
149 | g_assert( |
23bb9b6b |
150 | snprintf(attribute_path, PATH_MAX, "%llu:%llu", buf.st_dev, buf.st_ino) >= 0); |
0fdb8bb0 |
151 | |
a1a2b649 |
152 | g_assert(attribute = |
153 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
154 | LTTV_TRACES))); |
0fdb8bb0 |
155 | |
a1a2b649 |
156 | value = lttv_attribute_add(attribute, |
0fdb8bb0 |
157 | g_quark_from_string(attribute_path), |
a1a2b649 |
158 | LTTV_POINTER); |
159 | |
160 | *(value.v_pointer) = (gpointer)trace; |
8bc02ec8 |
161 | |
162 | /* create new traceset and tracesetcontext */ |
163 | LttvTraceset *ts; |
313bd6fc |
164 | LttvTracesetStats *tss; |
088f6772 |
165 | //LttvTracesetContextPosition *sync_position; |
8bc02ec8 |
166 | |
167 | attribute = lttv_trace_attribute(trace); |
168 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
169 | LTTV_COMPUTATION_TRACESET, |
170 | LTTV_POINTER, |
171 | &value)); |
172 | ts = lttv_traceset_new(); |
173 | *(value.v_pointer) = ts; |
174 | |
175 | lttv_traceset_add(ts,trace); |
176 | |
177 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
178 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
179 | LTTV_POINTER, |
180 | &value)); |
313bd6fc |
181 | tss = g_object_new(LTTV_TRACESET_STATS_TYPE, NULL); |
182 | *(value.v_pointer) = tss; |
8bc02ec8 |
183 | |
313bd6fc |
184 | lttv_context_init(LTTV_TRACESET_CONTEXT(tss), ts); |
088f6772 |
185 | #if 0 |
79257ba5 |
186 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
187 | LTTV_COMPUTATION_SYNC_POSITION, |
188 | LTTV_POINTER, |
189 | &value)); |
190 | |
191 | sync_position = lttv_traceset_context_position_new(); |
192 | *(value.v_pointer) = sync_position; |
088f6772 |
193 | #endif //0 |
8bc02ec8 |
194 | value = lttv_attribute_add(attribute, |
195 | LTTV_REQUESTS_QUEUE, |
196 | LTTV_POINTER); |
197 | |
198 | value = lttv_attribute_add(attribute, |
199 | LTTV_REQUESTS_CURRENT, |
200 | LTTV_POINTER); |
201 | |
202 | value = lttv_attribute_add(attribute, |
203 | LTTV_NOTIFY_QUEUE, |
204 | LTTV_POINTER); |
205 | |
206 | value = lttv_attribute_add(attribute, |
207 | LTTV_NOTIFY_CURRENT, |
208 | LTTV_POINTER); |
209 | |
a1a2b649 |
210 | } |
211 | |
212 | /* Remove a trace from the global attributes */ |
213 | |
214 | void lttvwindowtraces_remove_trace(LttvTrace *trace) |
215 | { |
216 | LttvAttribute *g_attribute = lttv_global_attributes(); |
217 | LttvAttribute *attribute; |
218 | LttvAttributeValue value; |
219 | guint i; |
220 | |
221 | g_assert(attribute = |
222 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
223 | LTTV_TRACES))); |
224 | |
225 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
226 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
227 | |
228 | g_assert(trace_v != NULL); |
229 | |
b052368a |
230 | /* Remove and background computation that could be in progress */ |
231 | g_idle_remove_by_data(trace_v); |
232 | |
a1a2b649 |
233 | if(trace_v == trace) { |
234 | /* Found */ |
8bc02ec8 |
235 | LttvAttribute *l_attribute; |
236 | |
23bb9b6b |
237 | /* destroy traceset and tracesetcontext */ |
8bc02ec8 |
238 | LttvTraceset *ts; |
313bd6fc |
239 | LttvTracesetStats *tss; |
088f6772 |
240 | //LttvTracesetContextPosition *sync_position; |
8bc02ec8 |
241 | |
242 | l_attribute = lttv_trace_attribute(trace); |
243 | |
244 | |
245 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
246 | LTTV_REQUESTS_QUEUE); |
247 | |
248 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
249 | LTTV_REQUESTS_CURRENT); |
250 | |
251 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
252 | LTTV_NOTIFY_QUEUE); |
253 | |
254 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
255 | LTTV_NOTIFY_CURRENT); |
256 | |
257 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(l_attribute), |
258 | LTTV_COMPUTATION_TRACESET, |
259 | LTTV_POINTER, |
260 | &value)); |
261 | ts = (LttvTraceset*)*(value.v_pointer); |
088f6772 |
262 | #if 0 |
79257ba5 |
263 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(l_attribute), |
264 | LTTV_COMPUTATION_SYNC_POSITION, |
265 | LTTV_POINTER, |
266 | &value)); |
267 | sync_position = (LttvTracesetContextPosition*)*(value.v_pointer); |
79257ba5 |
268 | lttv_traceset_context_position_destroy(sync_position); |
269 | |
270 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
271 | LTTV_COMPUTATION_SYNC_POSITION); |
272 | |
088f6772 |
273 | #endif //0 |
8bc02ec8 |
274 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(l_attribute), |
275 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
276 | LTTV_POINTER, |
277 | &value)); |
313bd6fc |
278 | tss = (LttvTracesetStats*)*(value.v_pointer); |
8bc02ec8 |
279 | |
313bd6fc |
280 | lttv_context_fini(LTTV_TRACESET_CONTEXT(tss)); |
281 | g_object_unref(tss); |
8bc02ec8 |
282 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
283 | LTTV_COMPUTATION_TRACESET_CONTEXT); |
8bc02ec8 |
284 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(l_attribute), |
285 | LTTV_COMPUTATION_TRACESET); |
1ba187d3 |
286 | /* Destroy the traceset and the trace also */ |
287 | lttv_traceset_destroy(ts); |
8bc02ec8 |
288 | |
289 | /* finally, remove the global attribute */ |
a1a2b649 |
290 | lttv_attribute_remove(attribute, i); |
8bc02ec8 |
291 | |
a1a2b649 |
292 | return; |
293 | } |
294 | } |
295 | } |
296 | |
93ac601b |
297 | static void destroy_dialog(BackgroundRequest *bg_req) |
298 | { |
299 | gtk_widget_destroy(bg_req->dialog); |
300 | bg_req->dialog = NULL; |
301 | } |
302 | |
a1a2b649 |
303 | |
304 | /** |
305 | * Function to request data from a specific trace |
306 | * |
307 | * The memory allocated for the request will be managed by the API. |
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_queue |
315 | (LttvTrace *trace, gchar *module_name) |
316 | { |
317 | BackgroundRequest *bg_req; |
318 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
91fd6881 |
319 | LttvAttribute *g_attribute = lttv_global_attributes(); |
320 | LttvAttribute *module_attribute; |
a1a2b649 |
321 | LttvAttributeValue value; |
91fd6881 |
322 | LttvAttributeType type; |
a1a2b649 |
323 | GSList **slist; |
324 | guint num; |
325 | |
326 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
327 | LTTV_REQUESTS_QUEUE, |
328 | LTTV_POINTER, |
329 | &value)); |
330 | slist = (GSList**)(value.v_pointer); |
91fd6881 |
331 | |
332 | /* Verify that the calculator is loaded */ |
333 | g_assert(module_attribute = |
334 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
335 | LTTV_COMPUTATION))); |
336 | |
337 | |
338 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
339 | g_quark_from_string(module_name), |
340 | &value); |
341 | if(type == LTTV_NONE) { |
342 | g_critical("Missing background calculator %s", module_name); |
343 | return; |
344 | } |
345 | |
a1a2b649 |
346 | bg_req = g_new(BackgroundRequest,1); |
347 | bg_req->module_name = g_quark_from_string(module_name); |
348 | bg_req->trace = trace; |
349 | |
350 | *slist = g_slist_append(*slist, bg_req); |
313bd6fc |
351 | |
352 | /* Priority lower than live servicing */ |
353 | g_idle_remove_by_data(trace); |
354 | g_idle_add_full((G_PRIORITY_HIGH_IDLE + 23), |
355 | (GSourceFunc)lttvwindowtraces_process_pending_requests, |
356 | trace, |
357 | NULL); |
b052368a |
358 | /* FIXME : show message in status bar, need context and message id */ |
93ac601b |
359 | g_info("Background computation for %s started for trace %p", module_name, |
360 | trace); |
361 | GtkWidget *dialog = |
362 | gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, |
363 | "Background computation for %s started for trace %s", |
364 | module_name, |
365 | g_quark_to_string(ltt_trace_name(lttv_trace(trace)))); |
366 | g_signal_connect_swapped (dialog, "response", |
367 | G_CALLBACK (destroy_dialog), |
368 | bg_req); |
369 | bg_req->dialog = dialog; |
370 | gtk_widget_show(dialog); |
a1a2b649 |
371 | } |
372 | |
373 | /** |
374 | * Remove a background request from a trace. |
375 | * |
376 | * This should ONLY be used by the modules which registered the global hooks |
377 | * (module_name). If this is called by the viewers, it may lead to incomplete |
378 | * and incoherent background processing information. |
379 | * |
380 | * Even if the module which deals with the hooks removes the background |
381 | * requests, it may cause a problem if the module gets loaded again in the |
382 | * session : the data will be partially calculated. The calculation function |
383 | * must deal with this case correctly. |
384 | * |
385 | * @param trace the trace to compute |
386 | * @param module_name the name of the module which registered global computation |
387 | * hooks. |
388 | */ |
389 | |
390 | void lttvwindowtraces_background_request_remove |
391 | (LttvTrace *trace, gchar *module_name) |
392 | { |
393 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
394 | LttvAttributeValue value; |
395 | GSList *iter = NULL; |
396 | GSList **slist; |
397 | |
398 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
399 | LTTV_REQUESTS_QUEUE, |
400 | LTTV_POINTER, |
401 | &value)); |
402 | slist = (GSList**)(value.v_pointer); |
403 | |
404 | for(iter=*slist;iter!=NULL;) { |
405 | BackgroundRequest *bg_req = |
406 | (BackgroundRequest *)iter->data; |
407 | |
408 | if(bg_req->module_name == g_quark_from_string(module_name)) { |
409 | GSList *rem_iter = iter; |
410 | iter=g_slist_next(iter); |
411 | g_free(bg_req); |
412 | *slist = g_slist_delete_link(*slist, rem_iter); |
413 | } else { |
414 | iter=g_slist_next(iter); |
415 | } |
416 | } |
417 | } |
418 | |
93ac601b |
419 | /** |
420 | * Find a background request in a trace |
421 | * |
422 | */ |
423 | |
424 | gboolean lttvwindowtraces_background_request_find |
425 | (LttvTrace *trace, gchar *module_name) |
426 | { |
427 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
428 | LttvAttributeValue value; |
429 | GSList *iter = NULL; |
430 | GSList **slist; |
431 | |
432 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
433 | LTTV_REQUESTS_QUEUE, |
434 | LTTV_POINTER, |
435 | &value)); |
436 | slist = (GSList**)(value.v_pointer); |
437 | |
438 | for(iter=*slist;iter!=NULL;) { |
439 | BackgroundRequest *bg_req = |
440 | (BackgroundRequest *)iter->data; |
441 | |
442 | if(bg_req->module_name == g_quark_from_string(module_name)) { |
443 | return TRUE; |
444 | } else { |
445 | iter=g_slist_next(iter); |
446 | } |
447 | } |
448 | return FALSE; |
449 | } |
a1a2b649 |
450 | |
451 | /** |
452 | * Register a callback to be called when requested data is passed in the next |
453 | * queued background processing. |
454 | * |
455 | * @param owner owner of the background notification |
456 | * @param trace the trace computed |
457 | * @param notify_time time when notification hooks must be called |
458 | * @param notify_position position when notification hooks must be called |
459 | * @param notify Hook to call when the notify position is passed |
460 | */ |
461 | |
462 | void lttvwindowtraces_background_notify_queue |
463 | (gpointer owner, |
464 | LttvTrace *trace, |
465 | LttTime notify_time, |
466 | const LttvTracesetContextPosition *notify_position, |
467 | const LttvHooks *notify) |
468 | { |
469 | BackgroundNotify *bg_notify; |
470 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
471 | LttvAttributeValue value; |
472 | GSList **slist; |
473 | |
474 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
475 | LTTV_NOTIFY_QUEUE, |
476 | LTTV_POINTER, |
477 | &value)); |
478 | slist = (GSList**)(value.v_pointer); |
479 | |
8e680509 |
480 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
481 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
482 | LTTV_POINTER, |
483 | &value)); |
484 | LttvTracesetContext *tsc = (LttvTracesetContext*)(value.v_pointer); |
a1a2b649 |
485 | |
486 | bg_notify = g_new(BackgroundNotify,1); |
487 | |
488 | bg_notify->owner = owner; |
489 | bg_notify->trace = trace; |
490 | bg_notify->notify_time = notify_time; |
313bd6fc |
491 | if(notify_position != NULL) { |
8e680509 |
492 | bg_notify->notify_position = lttv_traceset_context_position_new(tsc); |
313bd6fc |
493 | lttv_traceset_context_position_copy(bg_notify->notify_position, |
494 | notify_position); |
495 | } else { |
496 | bg_notify->notify_position = NULL; |
497 | } |
498 | |
a1a2b649 |
499 | bg_notify->notify = lttv_hooks_new(); |
500 | lttv_hooks_add_list(bg_notify->notify, notify); |
501 | |
502 | *slist = g_slist_append(*slist, bg_notify); |
503 | } |
504 | |
505 | /** |
506 | * Register a callback to be called when requested data is passed in the current |
507 | * background processing. |
508 | * |
509 | * @param owner owner of the background notification |
510 | * @param trace the trace computed |
511 | * @param notify_time time when notification hooks must be called |
512 | * @param notify_position position when notification hooks must be called |
513 | * @param notify Hook to call when the notify position is passed |
514 | */ |
515 | |
516 | void lttvwindowtraces_background_notify_current |
517 | (gpointer owner, |
518 | LttvTrace *trace, |
519 | LttTime notify_time, |
520 | const LttvTracesetContextPosition *notify_position, |
521 | const LttvHooks *notify) |
522 | { |
523 | BackgroundNotify *bg_notify; |
524 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
525 | LttvAttributeValue value; |
526 | GSList **slist; |
527 | |
528 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
529 | LTTV_NOTIFY_CURRENT, |
530 | LTTV_POINTER, |
531 | &value)); |
532 | slist = (GSList**)(value.v_pointer); |
533 | |
8e680509 |
534 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
535 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
536 | LTTV_POINTER, |
537 | &value)); |
538 | LttvTracesetContext *tsc = (LttvTracesetContext*)(value.v_pointer); |
539 | |
540 | |
a1a2b649 |
541 | bg_notify = g_new(BackgroundNotify,1); |
542 | |
543 | bg_notify->owner = owner; |
544 | bg_notify->trace = trace; |
545 | bg_notify->notify_time = notify_time; |
313bd6fc |
546 | if(notify_position!= NULL) { |
8e680509 |
547 | bg_notify->notify_position = lttv_traceset_context_position_new(tsc); |
313bd6fc |
548 | lttv_traceset_context_position_copy(bg_notify->notify_position, |
549 | notify_position); |
550 | } else { |
551 | bg_notify->notify_position = NULL; |
552 | } |
a1a2b649 |
553 | bg_notify->notify = lttv_hooks_new(); |
554 | lttv_hooks_add_list(bg_notify->notify, notify); |
555 | |
556 | *slist = g_slist_append(*slist, bg_notify); |
557 | } |
558 | |
b052368a |
559 | |
560 | static void notify_request_free(BackgroundNotify *notify_req) |
561 | { |
562 | if(notify_req == NULL) return; |
563 | |
564 | if(notify_req->notify_position != NULL) |
565 | lttv_traceset_context_position_destroy(notify_req->notify_position); |
566 | if(notify_req->notify != NULL) |
567 | lttv_hooks_destroy(notify_req->notify); |
568 | g_free(notify_req); |
569 | } |
570 | |
a1a2b649 |
571 | /** |
572 | * Removes all the notifications requests from a specific viewer. |
573 | * |
574 | * @param owner owner of the background notification |
575 | */ |
576 | |
577 | void lttvwindowtraces_background_notify_remove(gpointer owner) |
578 | { |
579 | guint i; |
580 | |
581 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
582 | LttvAttribute *attribute; |
583 | LttvAttributeValue value; |
584 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
585 | GSList **slist; |
586 | GSList *iter = NULL; |
587 | |
588 | g_assert(trace_v != NULL); |
589 | |
b052368a |
590 | attribute = lttv_trace_attribute(trace_v); |
a1a2b649 |
591 | |
592 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
593 | LTTV_NOTIFY_QUEUE, |
594 | LTTV_POINTER, |
595 | &value)); |
596 | slist = (GSList**)(value.v_pointer); |
597 | |
598 | for(iter=*slist;iter!=NULL;) { |
599 | |
600 | BackgroundNotify *bg_notify = (BackgroundNotify*)iter->data; |
601 | |
602 | if(bg_notify->owner == owner) { |
603 | GSList *rem_iter = iter; |
604 | iter=g_slist_next(iter); |
b052368a |
605 | notify_request_free(bg_notify); |
606 | *slist = g_slist_remove_link(*slist, rem_iter); |
a1a2b649 |
607 | } else { |
608 | iter=g_slist_next(iter); |
609 | } |
610 | } |
611 | |
612 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
613 | LTTV_NOTIFY_CURRENT, |
614 | LTTV_POINTER, |
615 | &value)); |
616 | slist = (GSList**)(value.v_pointer); |
617 | |
618 | for(iter=*slist;iter!=NULL;) { |
619 | |
620 | BackgroundNotify *bg_notify = (BackgroundNotify*)iter->data; |
621 | |
622 | if(bg_notify->owner == owner) { |
623 | GSList *rem_iter = iter; |
624 | iter=g_slist_next(iter); |
b052368a |
625 | notify_request_free(bg_notify); |
626 | *slist = g_slist_remove_link(*slist, rem_iter); |
a1a2b649 |
627 | } else { |
628 | iter=g_slist_next(iter); |
629 | } |
630 | } |
631 | } |
632 | } |
633 | |
8bc02ec8 |
634 | |
635 | /* Background processing helper functions */ |
636 | |
637 | void lttvwindowtraces_add_computation_hooks(LttvAttributeName module_name, |
1ce324c6 |
638 | LttvTracesetContext *tsc, |
639 | LttvHooks *hook_adder) |
8bc02ec8 |
640 | { |
641 | LttvAttribute *g_attribute = lttv_global_attributes(); |
642 | LttvAttribute *module_attribute; |
643 | LttvAttributeType type; |
644 | LttvAttributeValue value; |
088f6772 |
645 | |
646 | |
647 | g_assert(module_attribute = |
648 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
649 | LTTV_COMPUTATION))); |
650 | |
651 | g_assert(module_attribute = |
652 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
653 | LTTV_IATTRIBUTE(module_attribute), |
654 | module_name))); |
655 | |
656 | /* Call the module's hook adder */ |
657 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
658 | LTTV_HOOK_ADDER, |
659 | &value); |
660 | if(type == LTTV_POINTER) { |
661 | //lttv_hooks_call((LttvHooks*)*(value.v_pointer), (gpointer)tss); |
662 | if(hook_adder != NULL) |
663 | lttv_hooks_add_list(hook_adder, (LttvHooks*)*(value.v_pointer)); |
664 | } |
665 | } |
666 | |
667 | void lttvwindowtraces_remove_computation_hooks(LttvAttributeName module_name, |
668 | LttvTracesetContext *tsc, |
669 | LttvHooks *hook_remover) |
670 | { |
671 | LttvAttribute *g_attribute = lttv_global_attributes(); |
672 | LttvAttribute *module_attribute; |
673 | LttvAttributeType type; |
674 | LttvAttributeValue value; |
675 | |
676 | g_assert(module_attribute = |
677 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
678 | LTTV_COMPUTATION))); |
679 | |
680 | g_assert(module_attribute = |
681 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
682 | LTTV_IATTRIBUTE(module_attribute), |
683 | module_name))); |
684 | |
685 | /* Call the module's hook remover */ |
686 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
687 | LTTV_HOOK_REMOVER, |
688 | &value); |
689 | if(type == LTTV_POINTER) { |
690 | //lttv_hooks_call((LttvHooks*)*(value.v_pointer), (gpointer)tss); |
691 | if(hook_remover != NULL) |
692 | lttv_hooks_add_list(hook_remover, (LttvHooks*)*(value.v_pointer)); |
693 | } |
694 | } |
695 | |
696 | void lttvwindowtraces_call_before_chunk(LttvAttributeName module_name, |
697 | LttvTracesetContext *tsc) |
698 | { |
699 | LttvAttribute *g_attribute = lttv_global_attributes(); |
700 | LttvAttribute *module_attribute; |
701 | LttvAttributeType type; |
702 | LttvAttributeValue value; |
8bc02ec8 |
703 | LttvHooks *before_chunk_traceset=NULL; |
704 | LttvHooks *before_chunk_trace=NULL; |
705 | LttvHooks *before_chunk_tracefile=NULL; |
706 | LttvHooks *event_hook=NULL; |
707 | LttvHooksById *event_hook_by_id=NULL; |
313bd6fc |
708 | LttvTracesetStats *tss = LTTV_TRACESET_STATS(tsc); |
8bc02ec8 |
709 | |
710 | |
711 | g_assert(module_attribute = |
712 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
713 | LTTV_COMPUTATION))); |
714 | |
715 | g_assert(module_attribute = |
716 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
717 | LTTV_IATTRIBUTE(module_attribute), |
718 | module_name))); |
719 | |
720 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
721 | LTTV_BEFORE_CHUNK_TRACESET, |
722 | &value); |
723 | if(type == LTTV_POINTER) { |
724 | before_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
725 | } |
726 | |
727 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
728 | LTTV_BEFORE_CHUNK_TRACE, |
729 | &value); |
730 | if(type == LTTV_POINTER) { |
731 | before_chunk_trace = (LttvHooks*)*(value.v_pointer); |
732 | } |
733 | |
734 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
735 | LTTV_BEFORE_CHUNK_TRACEFILE, |
736 | &value); |
737 | if(type == LTTV_POINTER) { |
738 | before_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
739 | } |
740 | |
741 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
742 | LTTV_EVENT_HOOK, |
743 | &value); |
744 | if(type == LTTV_POINTER) { |
745 | event_hook = (LttvHooks*)*(value.v_pointer); |
746 | } |
747 | |
748 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
749 | LTTV_EVENT_HOOK_BY_ID, |
750 | &value); |
751 | if(type == LTTV_POINTER) { |
752 | event_hook_by_id = (LttvHooksById*)*(value.v_pointer); |
753 | } |
754 | |
8bc02ec8 |
755 | lttv_process_traceset_begin(tsc, |
756 | before_chunk_traceset, |
757 | before_chunk_trace, |
758 | before_chunk_tracefile, |
759 | event_hook, |
760 | event_hook_by_id); |
8bc02ec8 |
761 | } |
088f6772 |
762 | |
763 | |
764 | |
765 | void lttvwindowtraces_call_after_chunk(LttvAttributeName module_name, |
766 | LttvTracesetContext *tsc) |
8bc02ec8 |
767 | { |
768 | LttvAttribute *g_attribute = lttv_global_attributes(); |
769 | LttvAttribute *module_attribute; |
770 | LttvAttributeType type; |
771 | LttvAttributeValue value; |
772 | LttvHooks *after_chunk_traceset=NULL; |
773 | LttvHooks *after_chunk_trace=NULL; |
774 | LttvHooks *after_chunk_tracefile=NULL; |
775 | LttvHooks *event_hook=NULL; |
776 | LttvHooksById *event_hook_by_id=NULL; |
313bd6fc |
777 | LttvTracesetStats *tss = LTTV_TRACESET_STATS(tsc); |
8bc02ec8 |
778 | |
779 | g_assert(module_attribute = |
780 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
781 | LTTV_COMPUTATION))); |
782 | |
783 | g_assert(module_attribute = |
784 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
785 | LTTV_IATTRIBUTE(module_attribute), |
786 | module_name))); |
787 | |
788 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
789 | LTTV_AFTER_CHUNK_TRACESET, |
790 | &value); |
791 | if(type == LTTV_POINTER) { |
792 | after_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
793 | } |
794 | |
795 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
796 | LTTV_AFTER_CHUNK_TRACE, |
797 | &value); |
798 | if(type == LTTV_POINTER) { |
799 | after_chunk_trace = (LttvHooks*)*(value.v_pointer); |
800 | } |
801 | |
802 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
803 | LTTV_AFTER_CHUNK_TRACEFILE, |
804 | &value); |
805 | if(type == LTTV_POINTER) { |
806 | after_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
807 | } |
808 | |
809 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
810 | LTTV_EVENT_HOOK, |
811 | &value); |
812 | if(type == LTTV_POINTER) { |
813 | event_hook = (LttvHooks*)*(value.v_pointer); |
814 | } |
815 | |
816 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
817 | LTTV_EVENT_HOOK_BY_ID, |
818 | &value); |
819 | if(type == LTTV_POINTER) { |
820 | event_hook_by_id = (LttvHooksById*)*(value.v_pointer); |
821 | } |
313bd6fc |
822 | |
8bc02ec8 |
823 | lttv_process_traceset_end(tsc, |
824 | after_chunk_traceset, |
825 | after_chunk_trace, |
826 | after_chunk_tracefile, |
827 | event_hook, |
828 | event_hook_by_id); |
313bd6fc |
829 | |
8bc02ec8 |
830 | } |
831 | |
832 | |
833 | void lttvwindowtraces_set_in_progress(LttvAttributeName module_name, |
834 | LttvTrace *trace) |
835 | { |
836 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
837 | LttvAttributeValue value; |
838 | |
839 | g_assert(attribute = |
840 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
841 | module_name))); |
842 | |
843 | value = lttv_iattribute_add(LTTV_IATTRIBUTE(attribute), |
844 | LTTV_IN_PROGRESS, |
845 | LTTV_INT); |
846 | /* the value is left unset. The only presence of the attribute is necessary. |
847 | */ |
848 | } |
849 | |
850 | void lttvwindowtraces_unset_in_progress(LttvAttributeName module_name, |
851 | LttvTrace *trace) |
852 | { |
853 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
854 | |
855 | g_assert(attribute = |
856 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
857 | module_name))); |
858 | |
313bd6fc |
859 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
8bc02ec8 |
860 | LTTV_IN_PROGRESS); |
861 | } |
862 | |
863 | gboolean lttvwindowtraces_get_in_progress(LttvAttributeName module_name, |
864 | LttvTrace *trace) |
865 | { |
866 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
867 | LttvAttributeType type; |
868 | LttvAttributeValue value; |
869 | |
870 | g_assert(attribute = |
871 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
872 | module_name))); |
873 | |
874 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
875 | LTTV_IN_PROGRESS, |
876 | &value); |
877 | /* The only presence of the attribute is necessary. */ |
878 | if(type == LTTV_NONE) |
879 | return FALSE; |
880 | else |
881 | return TRUE; |
882 | } |
883 | |
884 | void lttvwindowtraces_set_ready(LttvAttributeName module_name, |
885 | LttvTrace *trace) |
886 | { |
887 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
888 | LttvAttributeValue value; |
889 | |
890 | g_assert(attribute = |
891 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
892 | module_name))); |
893 | |
894 | value = lttv_iattribute_add(LTTV_IATTRIBUTE(attribute), |
895 | LTTV_READY, |
896 | LTTV_INT); |
897 | /* the value is left unset. The only presence of the attribute is necessary. |
898 | */ |
899 | } |
900 | |
901 | void lttvwindowtraces_unset_ready(LttvAttributeName module_name, |
902 | LttvTrace *trace) |
903 | { |
904 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
905 | |
906 | g_assert(attribute = |
907 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
908 | module_name))); |
909 | |
313bd6fc |
910 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
8bc02ec8 |
911 | LTTV_READY); |
912 | } |
913 | |
914 | gboolean lttvwindowtraces_get_ready(LttvAttributeName module_name, |
915 | LttvTrace *trace) |
916 | { |
917 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
918 | LttvAttributeType type; |
919 | LttvAttributeValue value; |
920 | |
921 | g_assert(attribute = |
922 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
923 | module_name))); |
924 | |
925 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
926 | LTTV_READY, |
927 | &value); |
928 | /* The only presence of the attribute is necessary. */ |
929 | if(type == LTTV_NONE) |
930 | return FALSE; |
931 | else |
932 | return TRUE; |
933 | } |
934 | |
935 | |
8bc02ec8 |
936 | /* lttvwindowtraces_process_pending_requests |
937 | * |
938 | * This internal function gets called by g_idle, taking care of the pending |
939 | * requests. |
940 | * |
941 | */ |
942 | |
943 | |
944 | gboolean lttvwindowtraces_process_pending_requests(LttvTrace *trace) |
945 | { |
946 | LttvTracesetContext *tsc; |
313bd6fc |
947 | LttvTracesetStats *tss; |
8bc02ec8 |
948 | LttvTraceset *ts; |
088f6772 |
949 | //LttvTracesetContextPosition *sync_position; |
8bc02ec8 |
950 | LttvAttribute *attribute; |
91fd6881 |
951 | LttvAttribute *g_attribute = lttv_global_attributes(); |
313bd6fc |
952 | GSList **list_out, **list_in, **notify_in, **notify_out; |
8bc02ec8 |
953 | LttvAttributeValue value; |
954 | LttvAttributeType type; |
b052368a |
955 | gboolean ret_val; |
8bc02ec8 |
956 | |
313bd6fc |
957 | if(trace == NULL) |
8bc02ec8 |
958 | return FALSE; |
959 | |
960 | attribute = lttv_trace_attribute(trace); |
961 | |
962 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
963 | LTTV_REQUESTS_QUEUE, |
964 | &value); |
965 | g_assert(type == LTTV_POINTER); |
313bd6fc |
966 | list_out = (GSList**)(value.v_pointer); |
8bc02ec8 |
967 | |
968 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
969 | LTTV_REQUESTS_CURRENT, |
970 | &value); |
971 | g_assert(type == LTTV_POINTER); |
313bd6fc |
972 | list_in = (GSList**)(value.v_pointer); |
8bc02ec8 |
973 | |
974 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
975 | LTTV_NOTIFY_QUEUE, |
976 | &value); |
977 | g_assert(type == LTTV_POINTER); |
313bd6fc |
978 | notify_out = (GSList**)(value.v_pointer); |
8bc02ec8 |
979 | |
980 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
981 | LTTV_NOTIFY_CURRENT, |
982 | &value); |
983 | g_assert(type == LTTV_POINTER); |
313bd6fc |
984 | notify_in = (GSList**)(value.v_pointer); |
8bc02ec8 |
985 | |
986 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
987 | LTTV_COMPUTATION_TRACESET, |
988 | &value); |
989 | g_assert(type == LTTV_POINTER); |
990 | ts = (LttvTraceset*)*(value.v_pointer); |
991 | |
992 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
993 | LTTV_COMPUTATION_TRACESET_CONTEXT, |
994 | &value); |
995 | g_assert(type == LTTV_POINTER); |
996 | tsc = (LttvTracesetContext*)*(value.v_pointer); |
313bd6fc |
997 | tss = (LttvTracesetStats*)*(value.v_pointer); |
8bc02ec8 |
998 | g_assert(LTTV_IS_TRACESET_CONTEXT(tsc)); |
313bd6fc |
999 | g_assert(LTTV_IS_TRACESET_STATS(tss)); |
088f6772 |
1000 | #if 0 |
79257ba5 |
1001 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
1002 | LTTV_COMPUTATION_SYNC_POSITION, |
1003 | &value); |
1004 | g_assert(type == LTTV_POINTER); |
1005 | sync_position = (LttvTracesetContextPosition*)*(value.v_pointer); |
088f6772 |
1006 | #endif //0 |
8bc02ec8 |
1007 | /* There is no events requests pending : we should never have been called! */ |
313bd6fc |
1008 | g_assert(g_slist_length(*list_out) != 0 || g_slist_length(*list_in) != 0); |
b052368a |
1009 | /* 0.1 Lock traces */ |
1010 | { |
1011 | guint iter_trace=0; |
1012 | |
1013 | for(iter_trace=0; |
1014 | iter_trace<lttv_traceset_number(tsc->ts); |
1015 | iter_trace++) { |
1016 | LttvTrace *trace_v = lttv_traceset_get(tsc->ts,iter_trace); |
1017 | |
1018 | if(lttvwindowtraces_lock(trace_v) != 0) |
1019 | return TRUE; /* Cannot get trace lock, try later */ |
8bc02ec8 |
1020 | |
b052368a |
1021 | } |
1022 | } |
1023 | /* 0.2 Sync tracefiles */ |
088f6772 |
1024 | //g_assert(lttv_process_traceset_seek_position(tsc, sync_position) == 0); |
1025 | lttv_process_traceset_synchronize_tracefiles(tsc); |
8bc02ec8 |
1026 | /* 1. Before processing */ |
1027 | { |
1028 | /* if list_in is empty */ |
313bd6fc |
1029 | if(g_slist_length(*list_in) == 0) { |
8bc02ec8 |
1030 | |
1031 | { |
1032 | /* - Add all requests in list_out to list_in, empty list_out */ |
313bd6fc |
1033 | GSList *iter = *list_out; |
8bc02ec8 |
1034 | |
1035 | while(iter != NULL) { |
1036 | gboolean remove = FALSE; |
1037 | gboolean free_data = FALSE; |
1038 | |
1039 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1040 | |
1041 | remove = TRUE; |
1042 | free_data = FALSE; |
313bd6fc |
1043 | *list_in = g_slist_append(*list_in, bg_req); |
8bc02ec8 |
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_out = g_slist_remove_link(*list_out, remove_iter); |
8bc02ec8 |
1053 | } else { // not remove |
1054 | iter = g_slist_next(iter); |
1055 | } |
1056 | } |
1057 | } |
1058 | |
1059 | { |
313bd6fc |
1060 | GSList *iter = *list_in; |
8bc02ec8 |
1061 | /* - for each request in list_in */ |
1062 | while(iter != NULL) { |
1063 | |
1064 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
91fd6881 |
1065 | /* - set hooks'in_progress flag to TRUE */ |
8bc02ec8 |
1066 | lttvwindowtraces_set_in_progress(bg_req->module_name, |
1067 | bg_req->trace); |
91fd6881 |
1068 | |
1069 | /* - call before request hook */ |
1070 | /* Get before request hook */ |
1071 | LttvAttribute *module_attribute; |
1072 | |
1073 | g_assert(module_attribute = |
1074 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
1075 | LTTV_IATTRIBUTE(g_attribute), |
1076 | LTTV_COMPUTATION))); |
1077 | |
1078 | g_assert(module_attribute = |
1079 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
1080 | LTTV_IATTRIBUTE(module_attribute), |
1081 | bg_req->module_name))); |
1082 | |
1083 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
1084 | LTTV_BEFORE_REQUEST, |
1085 | &value); |
1086 | g_assert(type == LTTV_POINTER); |
1087 | LttvHooks *before_request = (LttvHooks*)*(value.v_pointer); |
91fd6881 |
1088 | |
1089 | if(before_request != NULL) lttv_hooks_call(before_request, tsc); |
8bc02ec8 |
1090 | |
1091 | iter = g_slist_next(iter); |
1092 | } |
1093 | } |
1094 | |
1095 | /* - seek trace to start */ |
1096 | { |
1097 | LttTime start = { 0, 0}; |
1098 | lttv_process_traceset_seek_time(tsc, start); |
1099 | } |
1100 | |
1101 | /* - Move all notifications from notify_out to notify_in. */ |
1102 | { |
313bd6fc |
1103 | GSList *iter = *notify_out; |
1104 | g_assert(g_slist_length(*notify_in) == 0); |
8bc02ec8 |
1105 | |
1106 | while(iter != NULL) { |
1107 | gboolean remove = FALSE; |
1108 | gboolean free_data = FALSE; |
1109 | |
1110 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
1111 | |
1112 | remove = TRUE; |
1113 | free_data = FALSE; |
313bd6fc |
1114 | *notify_in = g_slist_append(*notify_in, notify_req); |
8bc02ec8 |
1115 | |
1116 | /* Go to next */ |
1117 | if(remove) |
1118 | { |
1119 | GSList *remove_iter = iter; |
1120 | |
1121 | iter = g_slist_next(iter); |
b052368a |
1122 | if(free_data) |
1123 | notify_request_free((BackgroundNotify*)remove_iter->data); |
313bd6fc |
1124 | *notify_out = g_slist_remove_link(*notify_out, remove_iter); |
8bc02ec8 |
1125 | } else { // not remove |
1126 | iter = g_slist_next(iter); |
1127 | } |
1128 | } |
1129 | } |
088f6772 |
1130 | { |
1131 | GSList *iter = *list_in; |
1132 | LttvHooks *hook_adder = lttv_hooks_new(); |
1133 | /* - for each request in list_in */ |
1134 | while(iter != NULL) { |
1135 | |
1136 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1137 | /*- add hooks to context*/ |
1138 | lttvwindowtraces_add_computation_hooks(bg_req->module_name, |
1139 | tsc, |
1140 | hook_adder); |
1141 | iter = g_slist_next(iter); |
1142 | } |
1143 | lttv_hooks_call(hook_adder,tsc); |
1144 | lttv_hooks_destroy(hook_adder); |
1145 | } |
1146 | |
1147 | |
8bc02ec8 |
1148 | } |
1149 | |
1150 | { |
313bd6fc |
1151 | GSList *iter = *list_in; |
8bc02ec8 |
1152 | /* - for each request in list_in */ |
1153 | while(iter != NULL) { |
1154 | |
1155 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1156 | /*- Call before chunk hooks for list_in*/ |
088f6772 |
1157 | lttvwindowtraces_call_before_chunk(bg_req->module_name, |
1158 | tsc); |
8bc02ec8 |
1159 | iter = g_slist_next(iter); |
1160 | } |
1161 | } |
8bc02ec8 |
1162 | |
088f6772 |
1163 | } |
8bc02ec8 |
1164 | /* 2. call process traceset middle for a chunk */ |
1165 | { |
1166 | /*(assert list_in is not empty! : should not even be called in that case)*/ |
0aa6c3a1 |
1167 | LttTime end = ltt_time_infinite; |
313bd6fc |
1168 | g_assert(g_slist_length(*list_in) != 0); |
8bc02ec8 |
1169 | |
1170 | lttv_process_traceset_middle(tsc, end, CHUNK_NUM_EVENTS, NULL); |
1171 | } |
1172 | |
1173 | /* 3. After the chunk */ |
1174 | { |
1175 | /* 3.1 call after_chunk hooks for list_in */ |
1176 | { |
313bd6fc |
1177 | GSList *iter = *list_in; |
8bc02ec8 |
1178 | /* - for each request in list_in */ |
1179 | while(iter != NULL) { |
1180 | |
1181 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1182 | /* - Call after chunk hooks for list_in */ |
088f6772 |
1183 | lttvwindowtraces_call_after_chunk(bg_req->module_name, |
1184 | tsc); |
8bc02ec8 |
1185 | iter = g_slist_next(iter); |
1186 | } |
1187 | } |
1188 | |
1189 | /* 3.2 for each notify_in */ |
1190 | { |
313bd6fc |
1191 | GSList *iter = *notify_in; |
8bc02ec8 |
1192 | LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc); |
1193 | |
1194 | while(iter != NULL) { |
1195 | gboolean remove = FALSE; |
1196 | gboolean free_data = FALSE; |
1197 | |
1198 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
1199 | |
1200 | /* - if current time >= notify time, call notify and remove from |
1201 | * notify_in. |
1202 | * - if current position >= notify position, call notify and remove |
1203 | * from notify_in. |
1204 | */ |
1205 | if( (tfc != NULL && |
313bd6fc |
1206 | ltt_time_compare(notify_req->notify_time, tfc->timestamp) <= 0) |
8bc02ec8 |
1207 | || |
313bd6fc |
1208 | (notify_req->notify_position != NULL && |
1209 | lttv_traceset_context_ctx_pos_compare(tsc, |
1210 | notify_req->notify_position) >= 0) |
8bc02ec8 |
1211 | ) { |
1212 | |
1213 | lttv_hooks_call(notify_req->notify, notify_req); |
1214 | |
1215 | remove = TRUE; |
1216 | free_data = TRUE; |
1217 | } |
1218 | |
1219 | /* Go to next */ |
1220 | if(remove) |
1221 | { |
1222 | GSList *remove_iter = iter; |
1223 | |
1224 | iter = g_slist_next(iter); |
b052368a |
1225 | if(free_data) |
1226 | notify_request_free((BackgroundNotify*)remove_iter->data); |
313bd6fc |
1227 | *notify_in = g_slist_remove_link(*notify_in, remove_iter); |
8bc02ec8 |
1228 | } else { // not remove |
1229 | iter = g_slist_next(iter); |
1230 | } |
1231 | } |
1232 | } |
1233 | |
1234 | { |
1235 | LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc); |
1236 | /* 3.3 if end of trace reached */ |
313bd6fc |
1237 | if(tfc != NULL) |
1238 | g_debug("Current time : %lu sec, %lu nsec", |
1239 | tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec); |
8bc02ec8 |
1240 | if(tfc == NULL || ltt_time_compare(tfc->timestamp, |
1241 | tsc->time_span.end_time) > 0) { |
088f6772 |
1242 | |
1243 | { |
1244 | GSList *iter = *list_in; |
1245 | LttvHooks *hook_remover = lttv_hooks_new(); |
1246 | /* - for each request in list_in */ |
1247 | while(iter != NULL) { |
1248 | |
1249 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1250 | /* - remove hooks from context */ |
1251 | lttvwindowtraces_remove_computation_hooks(bg_req->module_name, |
1252 | tsc, |
1253 | hook_remover); |
1254 | iter = g_slist_next(iter); |
1255 | } |
1256 | lttv_hooks_call(hook_remover,tsc); |
1257 | lttv_hooks_destroy(hook_remover); |
1258 | } |
1259 | |
8bc02ec8 |
1260 | /* - for each request in list_in */ |
1261 | { |
313bd6fc |
1262 | GSList *iter = *list_in; |
8bc02ec8 |
1263 | |
1264 | while(iter != NULL) { |
1265 | gboolean remove = FALSE; |
1266 | gboolean free_data = FALSE; |
1267 | |
1268 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1269 | |
1270 | /* - set hooks'in_progress flag to FALSE */ |
1271 | lttvwindowtraces_unset_in_progress(bg_req->module_name, |
1272 | bg_req->trace); |
1273 | /* - set hooks'ready flag to TRUE */ |
1274 | lttvwindowtraces_set_ready(bg_req->module_name, |
1275 | bg_req->trace); |
91fd6881 |
1276 | /* - call after request hook */ |
1277 | /* Get after request hook */ |
1278 | LttvAttribute *module_attribute; |
1279 | |
1280 | g_assert(module_attribute = |
1281 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
1282 | LTTV_IATTRIBUTE(g_attribute), |
1283 | LTTV_COMPUTATION))); |
1284 | |
1285 | g_assert(module_attribute = |
1286 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir( |
1287 | LTTV_IATTRIBUTE(module_attribute), |
1288 | bg_req->module_name))); |
1289 | |
1290 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(module_attribute), |
1291 | LTTV_AFTER_REQUEST, |
1292 | &value); |
1293 | g_assert(type == LTTV_POINTER); |
1294 | LttvHooks *after_request = (LttvHooks*)*(value.v_pointer); |
1295 | |
1296 | if(after_request != NULL) lttv_hooks_call(after_request, tsc); |
93ac601b |
1297 | |
1298 | if(bg_req->dialog != NULL) |
1299 | gtk_widget_destroy(bg_req->dialog); |
1300 | GtkWidget *dialog = |
1301 | gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, |
1302 | "Background computation %s finished for trace %s", |
1303 | g_quark_to_string(bg_req->module_name), |
1304 | g_quark_to_string(ltt_trace_name(lttv_trace(bg_req->trace)))); |
1305 | g_signal_connect_swapped (dialog, "response", |
1306 | G_CALLBACK (gtk_widget_destroy), |
1307 | dialog); |
1308 | gtk_widget_show(dialog); |
1309 | |
8bc02ec8 |
1310 | /* - remove request */ |
1311 | remove = TRUE; |
1312 | free_data = TRUE; |
1313 | |
1314 | /* Go to next */ |
1315 | if(remove) |
1316 | { |
1317 | GSList *remove_iter = iter; |
1318 | |
1319 | iter = g_slist_next(iter); |
1320 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1321 | *list_in = g_slist_remove_link(*list_in, remove_iter); |
8bc02ec8 |
1322 | } else { // not remove |
1323 | iter = g_slist_next(iter); |
1324 | } |
1325 | } |
1326 | } |
1327 | |
1328 | /* - for each notifications in notify_in */ |
1329 | { |
313bd6fc |
1330 | GSList *iter = *notify_in; |
8bc02ec8 |
1331 | |
1332 | while(iter != NULL) { |
1333 | gboolean remove = FALSE; |
1334 | gboolean free_data = FALSE; |
1335 | |
1336 | BackgroundNotify *notify_req = (BackgroundNotify*)iter->data; |
1337 | |
1338 | /* - call notify and remove from notify_in */ |
1339 | lttv_hooks_call(notify_req->notify, notify_req); |
1340 | remove = TRUE; |
1341 | free_data = TRUE; |
1342 | |
1343 | /* Go to next */ |
1344 | if(remove) |
1345 | { |
1346 | GSList *remove_iter = iter; |
1347 | |
1348 | iter = g_slist_next(iter); |
b052368a |
1349 | if(free_data) |
1350 | notify_request_free((BackgroundNotify*)remove_iter->data); |
313bd6fc |
1351 | *notify_in = g_slist_remove_link(*notify_in, remove_iter); |
8bc02ec8 |
1352 | } else { // not remove |
1353 | iter = g_slist_next(iter); |
1354 | } |
1355 | } |
1356 | } |
1ce324c6 |
1357 | { |
1358 | /* - reset the context */ |
1359 | LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->fini(tsc); |
1360 | LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->init(tsc,ts); |
1361 | } |
3710295e |
1362 | /* - if list_out is empty */ |
1363 | if(g_slist_length(*list_out) == 0) { |
1364 | /* - return FALSE (scheduler stopped) */ |
1365 | g_debug("Background computation scheduler stopped"); |
1366 | g_info("Background computation finished for trace %p", trace); |
1367 | /* FIXME : remove status bar info, need context id and message id */ |
93ac601b |
1368 | |
3710295e |
1369 | ret_val = FALSE; |
1370 | } else { |
1371 | ret_val = TRUE; |
1372 | } |
8bc02ec8 |
1373 | } else { |
1374 | /* 3.4 else, end of trace not reached */ |
1375 | /* - return TRUE (scheduler still registered) */ |
313bd6fc |
1376 | g_debug("Background computation left"); |
b052368a |
1377 | ret_val = TRUE; |
8bc02ec8 |
1378 | } |
1379 | } |
1380 | } |
b052368a |
1381 | /* 4. Unlock traces */ |
1382 | { |
088f6772 |
1383 | lttv_process_traceset_get_sync_data(tsc); |
1384 | //lttv_traceset_context_position_save(tsc, sync_position); |
b052368a |
1385 | guint iter_trace; |
1386 | |
1387 | for(iter_trace=0; |
1388 | iter_trace<lttv_traceset_number(tsc->ts); |
1389 | iter_trace++) { |
1390 | LttvTrace *trace_v = lttv_traceset_get(tsc->ts, iter_trace); |
1391 | |
1392 | lttvwindowtraces_unlock(trace_v); |
1393 | } |
1394 | } |
1395 | return ret_val; |
8bc02ec8 |
1396 | } |
e62a7964 |
1397 | |
1398 | |
1399 | |
1400 | /** |
1401 | * Register the background computation hooks for a specific module. It adds the |
313bd6fc |
1402 | * computation hooks to the global attrubutes, under "computation/module name". |
e62a7964 |
1403 | * |
1404 | * @param module_name A GQuark : the name of the module which computes the |
1405 | * information. |
1406 | */ |
1407 | void lttvwindowtraces_register_computation_hooks(LttvAttributeName module_name, |
1408 | LttvHooks *before_chunk_traceset, |
1409 | LttvHooks *before_chunk_trace, |
1410 | LttvHooks *before_chunk_tracefile, |
1411 | LttvHooks *after_chunk_traceset, |
1412 | LttvHooks *after_chunk_trace, |
1413 | LttvHooks *after_chunk_tracefile, |
1414 | LttvHooks *before_request, |
1415 | LttvHooks *after_request, |
1416 | LttvHooks *event_hook, |
313bd6fc |
1417 | LttvHooksById *event_hook_by_id, |
1418 | LttvHooks *hook_adder, |
1419 | LttvHooks *hook_remover) |
e62a7964 |
1420 | { |
1421 | LttvAttribute *g_attribute = lttv_global_attributes(); |
1422 | LttvAttribute *attribute; |
1423 | LttvAttributeValue value; |
1424 | |
1425 | g_assert(attribute = |
1426 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1427 | LTTV_COMPUTATION))); |
1428 | |
1429 | g_assert(attribute = |
1430 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
1431 | module_name))); |
1432 | |
1433 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1434 | LTTV_BEFORE_CHUNK_TRACESET, |
1435 | LTTV_POINTER, |
1436 | &value)); |
1437 | *(value.v_pointer) = before_chunk_traceset; |
1438 | |
1439 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1440 | LTTV_BEFORE_CHUNK_TRACE, |
1441 | LTTV_POINTER, |
1442 | &value)); |
1443 | *(value.v_pointer) = before_chunk_trace; |
1444 | |
1445 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1446 | LTTV_BEFORE_CHUNK_TRACEFILE, |
1447 | LTTV_POINTER, |
1448 | &value)); |
1449 | *(value.v_pointer) = before_chunk_tracefile; |
1450 | |
1451 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1452 | LTTV_AFTER_CHUNK_TRACESET, |
1453 | LTTV_POINTER, |
1454 | &value)); |
1455 | *(value.v_pointer) = after_chunk_traceset; |
1456 | |
1457 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1458 | LTTV_AFTER_CHUNK_TRACE, |
1459 | LTTV_POINTER, |
1460 | &value)); |
1461 | *(value.v_pointer) = after_chunk_trace; |
1462 | |
1463 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1464 | LTTV_AFTER_CHUNK_TRACEFILE, |
1465 | LTTV_POINTER, |
1466 | &value)); |
1467 | *(value.v_pointer) = after_chunk_tracefile; |
1468 | |
1469 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1470 | LTTV_BEFORE_REQUEST, |
1471 | LTTV_POINTER, |
1472 | &value)); |
1473 | *(value.v_pointer) = before_request; |
1474 | |
1475 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1476 | LTTV_AFTER_REQUEST, |
1477 | LTTV_POINTER, |
1478 | &value)); |
1479 | *(value.v_pointer) = after_request; |
1480 | |
1481 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1482 | LTTV_EVENT_HOOK, |
1483 | LTTV_POINTER, |
1484 | &value)); |
1485 | *(value.v_pointer) = event_hook; |
1486 | |
1487 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1488 | LTTV_EVENT_HOOK_BY_ID, |
1489 | LTTV_POINTER, |
1490 | &value)); |
1491 | *(value.v_pointer) = event_hook_by_id; |
1492 | |
313bd6fc |
1493 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1494 | LTTV_HOOK_ADDER, |
1495 | LTTV_POINTER, |
1496 | &value)); |
1497 | *(value.v_pointer) = hook_adder; |
1498 | |
1499 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1500 | LTTV_HOOK_REMOVER, |
1501 | LTTV_POINTER, |
1502 | &value)); |
1503 | *(value.v_pointer) = hook_remover; |
1504 | |
e62a7964 |
1505 | } |
1506 | |
1507 | |
1508 | /** |
1509 | * It removes all the requests than can be currently processed by the |
1510 | * background computation algorithm for all the traces (list_in and list_out). |
1511 | * |
1512 | * Leaves the flag to in_progress or none.. depending if current or queue |
1513 | * |
1514 | * @param module_name A GQuark : the name of the module which computes the |
1515 | * information. |
1516 | */ |
1517 | void lttvwindowtraces_unregister_requests(LttvAttributeName module_name) |
1518 | { |
1519 | guint i; |
1520 | |
1521 | for(i=0;i<lttvwindowtraces_get_number();i++) { |
1522 | LttvTrace *trace_v = lttvwindowtraces_get_trace(i); |
1523 | g_assert(trace_v != NULL); |
1524 | LttTrace *trace; |
1525 | LttvAttribute *attribute = lttv_trace_attribute(trace_v); |
1526 | LttvAttributeValue value; |
313bd6fc |
1527 | GSList **queue, **current; |
e62a7964 |
1528 | GSList *iter; |
1529 | |
1530 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1531 | LTTV_REQUESTS_QUEUE, |
1532 | LTTV_POINTER, |
1533 | &value)); |
313bd6fc |
1534 | queue = (GSList**)(value.v_pointer); |
e62a7964 |
1535 | |
313bd6fc |
1536 | iter = *queue; |
e62a7964 |
1537 | while(iter != NULL) { |
1538 | gboolean remove = FALSE; |
1539 | gboolean free_data = FALSE; |
1540 | |
1541 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1542 | |
1543 | if(bg_req->module_name == module_name) { |
1544 | remove = TRUE; |
1545 | free_data = TRUE; |
1546 | } |
1547 | |
1548 | /* Go to next */ |
1549 | if(remove) |
1550 | { |
1551 | GSList *remove_iter = iter; |
1552 | |
1553 | iter = g_slist_next(iter); |
1554 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1555 | *queue = g_slist_remove_link(*queue, remove_iter); |
e62a7964 |
1556 | } else { // not remove |
1557 | iter = g_slist_next(iter); |
1558 | } |
1559 | } |
1560 | |
1561 | |
1562 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1563 | LTTV_REQUESTS_CURRENT, |
1564 | LTTV_POINTER, |
1565 | &value)); |
313bd6fc |
1566 | current = (GSList**)(value.v_pointer); |
e62a7964 |
1567 | |
313bd6fc |
1568 | iter = *current; |
e62a7964 |
1569 | while(iter != NULL) { |
1570 | gboolean remove = FALSE; |
1571 | gboolean free_data = FALSE; |
1572 | |
1573 | BackgroundRequest *bg_req = (BackgroundRequest*)iter->data; |
1574 | |
1575 | if(bg_req->module_name == module_name) { |
1576 | remove = TRUE; |
1577 | free_data = TRUE; |
1578 | } |
1579 | |
1580 | /* Go to next */ |
1581 | if(remove) |
1582 | { |
1583 | GSList *remove_iter = iter; |
1584 | |
1585 | iter = g_slist_next(iter); |
1586 | if(free_data) g_free(remove_iter->data); |
313bd6fc |
1587 | *current = g_slist_remove_link(*current, remove_iter); |
e62a7964 |
1588 | } else { // not remove |
1589 | iter = g_slist_next(iter); |
1590 | } |
1591 | } |
1592 | } |
1593 | } |
1594 | |
1595 | |
1596 | /** |
1597 | * Unregister the background computation hooks for a specific module. |
1598 | * |
1599 | * It also removes all the requests than can be currently processed by the |
1600 | * background computation algorithm for all the traces (list_in and list_out). |
1601 | * |
1602 | * @param module_name A GQuark : the name of the module which computes the |
1603 | * information. |
1604 | */ |
1605 | |
1606 | void lttvwindowtraces_unregister_computation_hooks |
1607 | (LttvAttributeName module_name) |
1608 | { |
1609 | LttvAttribute *g_attribute = lttv_global_attributes(); |
1610 | LttvAttribute *attribute; |
91fd6881 |
1611 | LttvAttributeValue value; |
e62a7964 |
1612 | |
1613 | g_assert(attribute = |
1614 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1615 | LTTV_COMPUTATION))); |
1616 | g_assert(attribute = |
1617 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(attribute), |
1618 | module_name))); |
1619 | |
1620 | |
91fd6881 |
1621 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1622 | LTTV_BEFORE_CHUNK_TRACESET, |
1623 | LTTV_POINTER, |
1624 | &value)); |
1625 | LttvHooks *before_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
1626 | if(before_chunk_traceset != NULL) |
1627 | lttv_hooks_destroy(before_chunk_traceset); |
1628 | |
1629 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1630 | LTTV_BEFORE_CHUNK_TRACE, |
1631 | LTTV_POINTER, |
1632 | &value)); |
1633 | LttvHooks *before_chunk_trace = (LttvHooks*)*(value.v_pointer); |
1634 | if(before_chunk_trace != NULL) |
1635 | lttv_hooks_destroy(before_chunk_trace); |
1636 | |
1637 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1638 | LTTV_BEFORE_CHUNK_TRACEFILE, |
1639 | LTTV_POINTER, |
1640 | &value)); |
1641 | LttvHooks *before_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
1642 | if(before_chunk_tracefile != NULL) |
1643 | lttv_hooks_destroy(before_chunk_tracefile); |
1644 | |
1645 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1646 | LTTV_AFTER_CHUNK_TRACESET, |
1647 | LTTV_POINTER, |
1648 | &value)); |
1649 | LttvHooks *after_chunk_traceset = (LttvHooks*)*(value.v_pointer); |
1650 | if(after_chunk_traceset != NULL) |
1651 | lttv_hooks_destroy(after_chunk_traceset); |
1652 | |
1653 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1654 | LTTV_AFTER_CHUNK_TRACE, |
1655 | LTTV_POINTER, |
1656 | &value)); |
1657 | LttvHooks *after_chunk_trace = (LttvHooks*)*(value.v_pointer); |
1658 | if(after_chunk_trace != NULL) |
1659 | lttv_hooks_destroy(after_chunk_trace); |
1660 | |
1661 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1662 | LTTV_AFTER_CHUNK_TRACEFILE, |
1663 | LTTV_POINTER, |
1664 | &value)); |
1665 | LttvHooks *after_chunk_tracefile = (LttvHooks*)*(value.v_pointer); |
1666 | if(after_chunk_tracefile != NULL) |
1667 | lttv_hooks_destroy(after_chunk_tracefile); |
1668 | |
1669 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1670 | LTTV_BEFORE_REQUEST, |
1671 | LTTV_POINTER, |
1672 | &value)); |
1673 | LttvHooks *before_request = (LttvHooks*)*(value.v_pointer); |
1674 | if(before_request != NULL) |
1675 | lttv_hooks_destroy(before_request); |
1676 | |
1677 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1678 | LTTV_AFTER_REQUEST, |
1679 | LTTV_POINTER, |
1680 | &value)); |
1681 | LttvHooks *after_request = (LttvHooks*)*(value.v_pointer); |
1682 | if(after_request != NULL) |
1683 | lttv_hooks_destroy(after_request); |
1684 | |
1685 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1686 | LTTV_EVENT_HOOK, |
1687 | LTTV_POINTER, |
1688 | &value)); |
1689 | LttvHooks *event_hook = (LttvHooks*)*(value.v_pointer); |
1690 | if(event_hook != NULL) |
1691 | lttv_hooks_destroy(event_hook); |
1692 | |
1693 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1694 | LTTV_EVENT_HOOK_BY_ID, |
1695 | LTTV_POINTER, |
1696 | &value)); |
1697 | LttvHooksById *event_hook_by_id = (LttvHooksById*)*(value.v_pointer); |
1698 | if(event_hook_by_id != NULL) |
1699 | lttv_hooks_by_id_destroy(event_hook_by_id); |
1700 | |
1701 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1702 | LTTV_HOOK_ADDER, |
1703 | LTTV_POINTER, |
1704 | &value)); |
1705 | LttvHooks *hook_adder = (LttvHooks*)*(value.v_pointer); |
1706 | if(hook_adder != NULL) |
1707 | lttv_hooks_destroy(hook_adder); |
1708 | |
1709 | g_assert(lttv_iattribute_find(LTTV_IATTRIBUTE(attribute), |
1710 | LTTV_HOOK_REMOVER, |
1711 | LTTV_POINTER, |
1712 | &value)); |
1713 | LttvHooks *hook_remover = (LttvHooks*)*(value.v_pointer); |
1714 | if(hook_remover != NULL) |
1715 | lttv_hooks_destroy(hook_remover); |
1716 | |
1717 | |
e62a7964 |
1718 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1719 | LTTV_EVENT_HOOK_BY_ID); |
1720 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1721 | LTTV_EVENT_HOOK); |
1722 | |
1723 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1724 | LTTV_AFTER_REQUEST); |
1725 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1726 | LTTV_BEFORE_REQUEST); |
1727 | |
1728 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1729 | LTTV_AFTER_CHUNK_TRACEFILE); |
1730 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1731 | LTTV_AFTER_CHUNK_TRACE); |
1732 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1733 | LTTV_AFTER_CHUNK_TRACESET); |
1734 | |
1735 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1736 | LTTV_BEFORE_CHUNK_TRACEFILE); |
1737 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1738 | LTTV_BEFORE_CHUNK_TRACE); |
1739 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1740 | LTTV_BEFORE_CHUNK_TRACESET); |
313bd6fc |
1741 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1742 | LTTV_HOOK_ADDER); |
1743 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1744 | LTTV_HOOK_REMOVER); |
1745 | |
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1746 | /* finally, remove module name */ |
1747 | g_assert(attribute = |
1748 | LTTV_ATTRIBUTE(lttv_iattribute_find_subdir(LTTV_IATTRIBUTE(g_attribute), |
1749 | LTTV_COMPUTATION))); |
1750 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1751 | module_name); |
1752 | |
1753 | } |
1754 | |
b052368a |
1755 | /** |
1756 | * Lock a trace so no other instance can use it. |
1757 | * |
1758 | * @param trace The trace to lock. |
1759 | * @return 0 on success, -1 if cannot get lock. |
1760 | */ |
1761 | gint lttvwindowtraces_lock(LttvTrace *trace) |
1762 | { |
1763 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
1764 | LttvAttributeValue value; |
1765 | LttvAttributeType type; |
1766 | |
1767 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
1768 | LTTV_LOCK, |
1769 | &value); |
1770 | /* Verify the absence of the lock. */ |
1771 | if(type != LTTV_NONE) { |
1772 | g_critical("Cannot take trace lock"); |
1773 | return -1; |
1774 | } |
1775 | |
1776 | value = lttv_iattribute_add(LTTV_IATTRIBUTE(attribute), |
1777 | LTTV_LOCK, |
1778 | LTTV_INT); |
1779 | /* the value is left unset. The only presence of the attribute is necessary. |
1780 | */ |
1781 | |
1782 | return 0; |
1783 | } |
1784 | |
1785 | /** |
1786 | * Unlock a trace. |
1787 | * |
1788 | * @param trace The trace to unlock. |
1789 | * @return 0 on success, -1 if cannot unlock (not locked ?). |
1790 | */ |
1791 | gint lttvwindowtraces_unlock(LttvTrace *trace) |
1792 | { |
1793 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
1794 | LttvAttributeType type; |
1795 | LttvAttributeValue value; |
1796 | |
1797 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
1798 | LTTV_LOCK, |
1799 | &value); |
1800 | /* Verify the presence of the lock. */ |
1801 | if(type == LTTV_NONE) { |
1802 | g_critical("Cannot release trace lock"); |
1803 | return -1; |
1804 | } |
1805 | |
1806 | lttv_iattribute_remove_by_name(LTTV_IATTRIBUTE(attribute), |
1807 | LTTV_LOCK); |
1808 | |
1809 | return 0; |
1810 | } |
1811 | |
1812 | /** |
1813 | * Verify if a trace is locked. |
1814 | * |
1815 | * @param trace The trace to verify. |
1816 | * @return TRUE if locked, FALSE is unlocked. |
1817 | */ |
1818 | gint lttvwindowtraces_get_lock_state(LttvTrace *trace) |
1819 | { |
1820 | LttvAttribute *attribute = lttv_trace_attribute(trace); |
1821 | LttvAttributeType type; |
1822 | LttvAttributeValue value; |
1823 | |
1824 | type = lttv_iattribute_get_by_name(LTTV_IATTRIBUTE(attribute), |
1825 | LTTV_LOCK, |
1826 | &value); |
1827 | /* The only presence of the attribute is necessary. */ |
1828 | if(type == LTTV_NONE) |
1829 | return FALSE; |
1830 | else |
1831 | return TRUE; |
1832 | } |
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1833 | |