9c312311 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Michel Dagenais |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License Version 2 as |
6 | * published by the Free Software Foundation; |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
dc877563 |
19 | |
d8f124de |
20 | #include <lttv/tracecontext.h> |
ffd54a90 |
21 | #include <ltt/event.h> |
b445142a |
22 | #include <ltt/facility.h> |
a5dcde2f |
23 | #include <ltt/trace.h> |
24 | #include <ltt/type.h> |
dc877563 |
25 | |
8697a616 |
26 | |
27 | |
28 | |
29 | gint compare_tracefile(gconstpointer a, gconstpointer b) |
30 | { |
31 | gint comparison; |
32 | |
33 | LttvTracefileContext *trace_a = (LttvTracefileContext *)a; |
34 | |
35 | LttvTracefileContext *trace_b = (LttvTracefileContext *)b; |
36 | |
37 | if(trace_a == trace_b) return 0; |
38 | comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp); |
39 | if(comparison != 0) return comparison; |
40 | if(trace_a->index < trace_b->index) return -1; |
41 | else if(trace_a->index > trace_b->index) return 1; |
42 | if(trace_a->t_context->index < trace_b->t_context->index) return -1; |
43 | else if(trace_a->t_context->index > trace_b->t_context->index) return 1; |
44 | g_assert(FALSE); |
45 | } |
46 | |
47 | struct _LttvTraceContextPosition { |
48 | LttEventPosition **tf_pos; /* Position in each trace */ |
49 | guint nb_tracefile; /* Number of tracefiles (check) */ |
50 | }; |
51 | |
52 | struct _LttvTracesetContextPosition { |
53 | LttvTraceContextPosition *t_pos; /* Position in each trace */ |
54 | guint nb_trace; /* Number of traces (check) */ |
55 | }; |
56 | |
ffd54a90 |
57 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 |
58 | { |
ffd54a90 |
59 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 |
60 | } |
61 | |
62 | |
63 | void lttv_context_fini(LttvTracesetContext *self) |
64 | { |
65 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
66 | } |
67 | |
68 | |
69 | LttvTracesetContext * |
70 | lttv_context_new_traceset_context(LttvTracesetContext *self) |
71 | { |
72 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
73 | } |
74 | |
75 | |
76 | |
77 | |
78 | LttvTraceContext * |
79 | lttv_context_new_trace_context(LttvTracesetContext *self) |
80 | { |
81 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
82 | } |
83 | |
84 | |
85 | LttvTracefileContext * |
86 | lttv_context_new_tracefile_context(LttvTracesetContext *self) |
87 | { |
c6bc9cb9 |
88 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 |
89 | } |
90 | |
f7afe191 |
91 | /**************************************************************************** |
92 | * lttv_traceset_context_compute_time_span |
93 | * |
8697a616 |
94 | * Keep the time span is sync with on the fly addition and removal of traces |
f7afe191 |
95 | * in a trace set. It must be called each time a trace is added/removed from |
96 | * the traceset. It could be more efficient to call it only once a bunch |
97 | * of traces are loaded, but the calculation is not long, so it's not |
98 | * critical. |
99 | * |
100 | * Author : Xang Xiu Yang |
f7afe191 |
101 | ***************************************************************************/ |
102 | static void lttv_traceset_context_compute_time_span( |
103 | LttvTracesetContext *self, |
8697a616 |
104 | TimeInterval time_span) |
f7afe191 |
105 | { |
106 | LttvTraceset * traceset = self->ts; |
107 | int numTraces = lttv_traceset_number(traceset); |
108 | int i; |
109 | LttTime s, e; |
110 | LttvTraceContext *tc; |
111 | LttTrace * trace; |
112 | |
8697a616 |
113 | time_span.startTime.tv_sec = 0; |
114 | time_span.startTime.tv_nsec = 0; |
115 | time_span.endTime.tv_sec = 0; |
116 | time_span.endTime.tv_nsec = 0; |
912be9a5 |
117 | |
f7afe191 |
118 | for(i=0; i<numTraces;i++){ |
119 | tc = self->traces[i]; |
120 | trace = tc->t; |
121 | |
122 | ltt_trace_time_span_get(trace, &s, &e); |
123 | |
124 | if(i==0){ |
8697a616 |
125 | time_span.startTime = s; |
126 | time_span.endTime = e; |
f7afe191 |
127 | }else{ |
8697a616 |
128 | if(s.tv_sec < time_span.startTime.tv_sec |
129 | || (s.tv_sec == time_span.startTime.tv_sec |
130 | && s.tv_nsec < time_span.startTime.tv_nsec)) |
131 | time_span.startTime = s; |
132 | if(e.tv_sec > time_span.endTime.tv_sec |
133 | || (e.tv_sec == time_span.endTime.tv_sec |
134 | && e.tv_nsec > time_span.endTime.tv_nsec)) |
135 | time_span.endTime = e; |
f7afe191 |
136 | } |
137 | } |
138 | } |
139 | |
dc877563 |
140 | |
141 | static void |
142 | init(LttvTracesetContext *self, LttvTraceset *ts) |
143 | { |
144 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
145 | |
146 | LttvTraceContext *tc; |
147 | |
148 | LttvTracefileContext *tfc; |
149 | |
308711e5 |
150 | LttTime null_time = {0, 0}; |
151 | |
dc877563 |
152 | nb_trace = lttv_traceset_number(ts); |
153 | self->ts = ts; |
ffd54a90 |
154 | self->traces = g_new(LttvTraceContext *, nb_trace); |
ffd54a90 |
155 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
156 | self->ts_a = lttv_traceset_attribute(ts); |
dc877563 |
157 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
158 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 |
159 | self->traces[i] = tc; |
160 | |
161 | tc->ts_context = self; |
162 | tc->index = i; |
308711e5 |
163 | tc->vt = lttv_traceset_get(ts, i); |
164 | tc->t = lttv_trace(tc->vt); |
ffd54a90 |
165 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
166 | tc->t_a = lttv_trace_attribute(tc->vt); |
dc877563 |
167 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
168 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
169 | nb_tracefile = nb_control + nb_per_cpu; |
dbb7bb09 |
170 | tc->tracefiles = g_new(LttvTracefileContext *, nb_tracefile); |
dc877563 |
171 | |
172 | for(j = 0 ; j < nb_tracefile ; j++) { |
ffd54a90 |
173 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dbb7bb09 |
174 | tc->tracefiles[j] = tfc; |
175 | tfc->index = j; |
176 | |
dc877563 |
177 | if(j < nb_control) { |
dc877563 |
178 | tfc->control = TRUE; |
ffd54a90 |
179 | tfc->tf = ltt_trace_control_tracefile_get(tc->t, j); |
dc877563 |
180 | } |
181 | else { |
dc877563 |
182 | tfc->control = FALSE; |
ffd54a90 |
183 | tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control); |
dc877563 |
184 | } |
185 | tfc->t_context = tc; |
8697a616 |
186 | tfc->event = lttv_hooks_new(); |
187 | tfc->event_by_id = lttv_hooks_by_id_new(); |
ffd54a90 |
188 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
dc877563 |
189 | } |
190 | } |
308711e5 |
191 | lttv_process_traceset_seek_time(self, null_time); |
8697a616 |
192 | lttv_traceset_context_compute_time_span(self, self->time_span); |
a43d67ba |
193 | self->e = NULL; |
8697a616 |
194 | |
195 | self->pqueue = g_tree_new(compare_tracefile); |
dc877563 |
196 | } |
197 | |
198 | |
199 | void fini(LttvTracesetContext *self) |
200 | { |
dbb7bb09 |
201 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
202 | |
203 | LttvTraceContext *tc; |
204 | |
205 | LttvTracefileContext *tfc; |
206 | |
ffd54a90 |
207 | LttvTraceset *ts = self->ts; |
dc877563 |
208 | |
f7afe191 |
209 | //FIXME : segfault |
8697a616 |
210 | |
211 | g_tree_destroy(self->pqueue); |
2061e03d |
212 | g_object_unref(self->a); |
dc877563 |
213 | |
214 | nb_trace = lttv_traceset_number(ts); |
215 | |
216 | for(i = 0 ; i < nb_trace ; i++) { |
217 | tc = self->traces[i]; |
218 | |
ffd54a90 |
219 | g_object_unref(tc->a); |
dc877563 |
220 | |
dbb7bb09 |
221 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
222 | ltt_trace_per_cpu_tracefile_number(tc->t); |
dc877563 |
223 | |
224 | for(j = 0 ; j < nb_tracefile ; j++) { |
dbb7bb09 |
225 | tfc = tc->tracefiles[j]; |
8697a616 |
226 | lttv_hooks_destroy(tfc->event); |
227 | lttv_hooks_by_id_destroy(tfc->event_by_id); |
ffd54a90 |
228 | g_object_unref(tfc->a); |
dc877563 |
229 | g_object_unref(tfc); |
230 | } |
dbb7bb09 |
231 | g_free(tc->tracefiles); |
dc877563 |
232 | g_object_unref(tc); |
233 | } |
234 | g_free(self->traces); |
235 | } |
236 | |
237 | |
238 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, |
8697a616 |
239 | LttvHooks *before_traceset, |
dc877563 |
240 | LttvHooks *before_trace, |
ffd54a90 |
241 | LttvHooks *before_tracefile, |
8697a616 |
242 | LttvHooks *event, |
243 | LttvHooksById *event_by_id) |
dc877563 |
244 | { |
245 | LttvTraceset *ts = self->ts; |
246 | |
8697a616 |
247 | guint i, nb_trace; |
dc877563 |
248 | |
249 | LttvTraceContext *tc; |
250 | |
8697a616 |
251 | lttv_hooks_call(before_traceset, self); |
dc877563 |
252 | |
dc877563 |
253 | nb_trace = lttv_traceset_number(ts); |
254 | |
255 | for(i = 0 ; i < nb_trace ; i++) { |
256 | tc = self->traces[i]; |
8697a616 |
257 | lttv_trace_context_add_hooks(tc, |
258 | before_trace, |
259 | before_tracefile, |
260 | event, |
261 | event_by_id); |
dc877563 |
262 | } |
263 | } |
264 | |
265 | |
266 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, |
dc877563 |
267 | LttvHooks *after_traceset, |
dc877563 |
268 | LttvHooks *after_trace, |
ffd54a90 |
269 | LttvHooks *after_tracefile, |
8697a616 |
270 | LttvHooks *event, |
271 | LttvHooksById *event_by_id) |
dc877563 |
272 | { |
8697a616 |
273 | |
dc877563 |
274 | LttvTraceset *ts = self->ts; |
275 | |
8697a616 |
276 | guint i, nb_trace; |
dc877563 |
277 | |
278 | LttvTraceContext *tc; |
279 | |
dc877563 |
280 | nb_trace = lttv_traceset_number(ts); |
281 | |
282 | for(i = 0 ; i < nb_trace ; i++) { |
283 | tc = self->traces[i]; |
8697a616 |
284 | lttv_trace_context_remove_hooks(tc, |
285 | after_trace, |
286 | after_tracefile, |
287 | event, |
288 | event_by_id); |
dc877563 |
289 | } |
8697a616 |
290 | |
291 | lttv_hooks_call(after_traceset, self); |
292 | |
293 | |
dc877563 |
294 | } |
295 | |
8697a616 |
296 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
297 | LttvHooks *before_trace, |
298 | LttvHooks *before_tracefile, |
299 | LttvHooks *event, |
300 | LttvHooksById *event_by_id) |
a8c0f09d |
301 | { |
8697a616 |
302 | guint i, nb_tracefile; |
303 | |
304 | LttvTracefileContext *tfc; |
305 | |
306 | lttv_hooks_call(before_trace, self); |
307 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
308 | ltt_trace_per_cpu_tracefile_number(self->t); |
309 | |
310 | for(i = 0 ; i < nb_tracefile ; i++) { |
311 | tfc = self->tracefiles[i]; |
312 | lttv_tracefile_context_add_hooks(tfc, |
313 | before_tracefile, |
314 | event, |
315 | event_by_id); |
316 | } |
a8c0f09d |
317 | } |
318 | |
8697a616 |
319 | |
320 | |
321 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, |
322 | LttvHooks *after_trace, |
323 | LttvHooks *after_tracefile, |
324 | LttvHooks *event, |
325 | LttvHooksById *event_by_id) |
a8c0f09d |
326 | { |
8697a616 |
327 | guint i, nb_tracefile; |
328 | |
329 | LttvTracefileContext *tfc; |
330 | |
331 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
332 | ltt_trace_per_cpu_tracefile_number(self->t); |
333 | |
334 | for(i = 0 ; i < nb_tracefile ; i++) { |
335 | tfc = self->tracefiles[i]; |
336 | lttv_tracefile_context_remove_hooks(tfc, |
337 | after_tracefile, |
338 | event, |
339 | event_by_id); |
340 | } |
341 | |
342 | lttv_hooks_call(after_trace, self); |
a8c0f09d |
343 | } |
344 | |
8697a616 |
345 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
346 | LttvHooks *before_tracefile, |
347 | LttvHooks *event, |
348 | LttvHooksById *event_by_id) |
a8c0f09d |
349 | { |
8697a616 |
350 | guint i; |
351 | |
352 | LttvHooks *hook; |
353 | |
354 | lttv_hooks_call(before_tracefile, self); |
355 | lttv_hooks_add_list(self->event, event); |
356 | if(event_by_id != NULL) |
357 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
358 | hook = lttv_hooks_by_id_get(self->event_by_id, i); |
359 | if(hook != NULL) |
360 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
361 | } |
362 | |
a8c0f09d |
363 | } |
364 | |
8697a616 |
365 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
366 | LttvHooks *after_tracefile, |
367 | LttvHooks *event, |
368 | LttvHooksById *event_by_id) |
a8c0f09d |
369 | { |
8697a616 |
370 | guint i; |
371 | |
372 | LttvHooks *hook; |
373 | |
374 | |
375 | lttv_hooks_remove_list(self->event, event); |
376 | if(event_by_id != NULL) |
377 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
378 | hook = lttv_hooks_by_id_find(self->event_by_id, i); |
379 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
380 | } |
381 | |
382 | lttv_hooks_call(after_tracefile, self); |
a8c0f09d |
383 | } |
384 | |
8697a616 |
385 | |
386 | |
a8c0f09d |
387 | void lttv_tracefile_context_add_hooks_by_id(LttvTracefileContext *tfc, |
388 | unsigned i, |
8697a616 |
389 | LttvHooks *event_by_id) |
a8c0f09d |
390 | { |
391 | LttvHooks * h; |
8697a616 |
392 | h = lttv_hooks_by_id_find(tfc->event_by_id, i); |
393 | lttv_hooks_add_list(h, event_by_id); |
a8c0f09d |
394 | } |
395 | |
396 | void lttv_tracefile_context_remove_hooks_by_id(LttvTracefileContext *tfc, |
397 | unsigned i) |
398 | { |
8697a616 |
399 | lttv_hooks_by_id_remove(tfc->event_by_id, i); |
a8c0f09d |
400 | } |
dc877563 |
401 | |
ba576a78 |
402 | static LttvTracesetContext * |
dc877563 |
403 | new_traceset_context(LttvTracesetContext *self) |
404 | { |
ffd54a90 |
405 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 |
406 | } |
407 | |
408 | |
ba576a78 |
409 | static LttvTraceContext * |
dc877563 |
410 | new_trace_context(LttvTracesetContext *self) |
411 | { |
ffd54a90 |
412 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 |
413 | } |
414 | |
415 | |
ba576a78 |
416 | static LttvTracefileContext * |
dc877563 |
417 | new_tracefile_context(LttvTracesetContext *self) |
418 | { |
ffd54a90 |
419 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 |
420 | } |
421 | |
422 | |
423 | static void |
424 | traceset_context_instance_init (GTypeInstance *instance, gpointer g_class) |
425 | { |
426 | /* Be careful of anything which would not work well with shallow copies */ |
427 | } |
428 | |
429 | |
430 | static void |
431 | traceset_context_finalize (LttvTracesetContext *self) |
432 | { |
b445142a |
433 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
434 | ->finalize(G_OBJECT(self)); |
dc877563 |
435 | } |
436 | |
437 | |
438 | static void |
439 | traceset_context_class_init (LttvTracesetContextClass *klass) |
440 | { |
441 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
442 | |
ffd54a90 |
443 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; |
dc877563 |
444 | klass->init = init; |
445 | klass->fini = fini; |
446 | klass->new_traceset_context = new_traceset_context; |
447 | klass->new_trace_context = new_trace_context; |
448 | klass->new_tracefile_context = new_tracefile_context; |
449 | } |
450 | |
451 | |
452 | GType |
ffd54a90 |
453 | lttv_traceset_context_get_type(void) |
dc877563 |
454 | { |
455 | static GType type = 0; |
456 | if (type == 0) { |
457 | static const GTypeInfo info = { |
ffd54a90 |
458 | sizeof (LttvTracesetContextClass), |
dc877563 |
459 | NULL, /* base_init */ |
460 | NULL, /* base_finalize */ |
ffd54a90 |
461 | (GClassInitFunc) traceset_context_class_init, /* class_init */ |
dc877563 |
462 | NULL, /* class_finalize */ |
463 | NULL, /* class_data */ |
ffd54a90 |
464 | sizeof (LttvTracesetContext), |
dc877563 |
465 | 0, /* n_preallocs */ |
ffd54a90 |
466 | (GInstanceInitFunc) traceset_context_instance_init /* instance_init */ |
dc877563 |
467 | }; |
468 | |
ffd54a90 |
469 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", |
dc877563 |
470 | &info, 0); |
471 | } |
472 | return type; |
473 | } |
474 | |
475 | |
476 | static void |
477 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) |
478 | { |
479 | /* Be careful of anything which would not work well with shallow copies */ |
480 | } |
481 | |
482 | |
483 | static void |
484 | trace_context_finalize (LttvTraceContext *self) |
485 | { |
b445142a |
486 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
487 | finalize(G_OBJECT(self)); |
dc877563 |
488 | } |
489 | |
490 | |
491 | static void |
492 | trace_context_class_init (LttvTraceContextClass *klass) |
493 | { |
494 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
495 | |
ffd54a90 |
496 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 |
497 | } |
498 | |
499 | |
500 | GType |
ffd54a90 |
501 | lttv_trace_context_get_type(void) |
dc877563 |
502 | { |
503 | static GType type = 0; |
504 | if (type == 0) { |
505 | static const GTypeInfo info = { |
ffd54a90 |
506 | sizeof (LttvTraceContextClass), |
dc877563 |
507 | NULL, /* base_init */ |
508 | NULL, /* base_finalize */ |
ffd54a90 |
509 | (GClassInitFunc) trace_context_class_init, /* class_init */ |
dc877563 |
510 | NULL, /* class_finalize */ |
511 | NULL, /* class_data */ |
c6bc9cb9 |
512 | sizeof (LttvTraceContext), |
dc877563 |
513 | 0, /* n_preallocs */ |
ffd54a90 |
514 | (GInstanceInitFunc) trace_context_instance_init /* instance_init */ |
dc877563 |
515 | }; |
516 | |
ffd54a90 |
517 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", |
dc877563 |
518 | &info, 0); |
519 | } |
520 | return type; |
521 | } |
522 | |
523 | |
524 | static void |
525 | tracefile_context_instance_init (GTypeInstance *instance, gpointer g_class) |
526 | { |
527 | /* Be careful of anything which would not work well with shallow copies */ |
528 | } |
529 | |
530 | |
531 | static void |
532 | tracefile_context_finalize (LttvTracefileContext *self) |
533 | { |
b445142a |
534 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
535 | ->finalize(G_OBJECT(self)); |
dc877563 |
536 | } |
537 | |
538 | |
539 | static void |
540 | tracefile_context_class_init (LttvTracefileContextClass *klass) |
541 | { |
542 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
543 | |
ffd54a90 |
544 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
545 | } |
546 | |
547 | |
548 | GType |
549 | lttv_tracefile_context_get_type(void) |
550 | { |
551 | static GType type = 0; |
552 | if (type == 0) { |
553 | static const GTypeInfo info = { |
554 | sizeof (LttvTracefileContextClass), |
555 | NULL, /* base_init */ |
556 | NULL, /* base_finalize */ |
557 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ |
558 | NULL, /* class_finalize */ |
559 | NULL, /* class_data */ |
560 | sizeof (LttvTracefileContext), |
561 | 0, /* n_preallocs */ |
562 | (GInstanceInitFunc) tracefile_context_instance_init /* instance_init */ |
563 | }; |
564 | |
565 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", |
566 | &info, 0); |
567 | } |
568 | return type; |
dc877563 |
569 | } |
570 | |
571 | |
dc877563 |
572 | |
573 | gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
574 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; |
575 | return TRUE; |
576 | } |
577 | |
578 | |
dc877563 |
579 | |
8697a616 |
580 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
581 | LttvHooks *before_traceset, |
582 | LttvHooks *before_trace, |
583 | LttvHooks *before_tracefile, |
584 | LttvHooks *event, |
585 | LttvHooksById *event_by_id) |
586 | { |
dc877563 |
587 | |
8697a616 |
588 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
589 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ |
590 | lttv_traceset_context_add_hooks(self, |
591 | before_traceset, |
592 | before_trace, |
593 | before_tracefile, |
594 | event, |
595 | event_by_id); |
596 | |
2a2fa4f0 |
597 | } |
598 | |
8697a616 |
599 | /* Note : a _middle must be preceded from a _seek or another middle */ |
600 | guint lttv_process_traceset_middle(LttvTracesetContext *self, |
601 | LttTime end, |
602 | unsigned nb_events, |
603 | const LttvTracesetContextPosition *end_position) |
2a2fa4f0 |
604 | { |
605 | GTree *pqueue = self->pqueue; |
606 | |
607 | guint id; |
608 | |
2a2fa4f0 |
609 | LttvTracefileContext *tfc; |
610 | |
611 | LttEvent *event; |
612 | |
613 | unsigned count = 0; |
614 | |
dc877563 |
615 | /* Get the next event from the pqueue, call its hooks, |
616 | reinsert in the pqueue the following event from the same tracefile |
617 | unless the tracefile is finished or the event is later than the |
8697a616 |
618 | end time. */ |
dc877563 |
619 | |
ffd54a90 |
620 | while(TRUE) { |
dc877563 |
621 | tfc = NULL; |
622 | g_tree_foreach(pqueue, get_first, &tfc); |
a43d67ba |
623 | if(tfc == NULL) |
624 | { |
625 | self->e = event; |
626 | return count; |
627 | } |
dc877563 |
628 | |
8697a616 |
629 | /* Have we reached : |
630 | * - the maximum number of events specified? |
631 | * - the end position ? |
632 | * - the end time ? |
633 | * then the read is finished. We leave the queue in the same state and |
634 | * break the loop. |
635 | */ |
636 | |
637 | if(count >= nb_events || |
638 | lttv_traceset_context_ctx_pos_compare(self, |
639 | end_position) >= 0 || |
640 | ltt_time_compare(tfc->timestamp, end) >= 0) |
a43d67ba |
641 | { |
642 | self->e = event; |
643 | return count; |
644 | } |
2a2fa4f0 |
645 | |
308711e5 |
646 | /* Get the tracefile with an event for the smallest time found. If two |
647 | or more tracefiles have events for the same time, hope that lookup |
648 | and remove are consistent. */ |
270e7cc5 |
649 | |
f95bc830 |
650 | g_tree_remove(pqueue, tfc); |
2a2fa4f0 |
651 | count++; |
dc877563 |
652 | |
8697a616 |
653 | id = ltt_event_eventtype_id(tfc->e); |
654 | lttv_hooks_call_merge(tfc->event, tfc, |
655 | lttv_hooks_by_id_get(tfc->event_by_id, id), tfc); |
dc877563 |
656 | |
657 | event = ltt_tracefile_read(tfc->tf); |
658 | if(event != NULL) { |
659 | tfc->e = event; |
ffd54a90 |
660 | tfc->timestamp = ltt_event_time(event); |
270e7cc5 |
661 | if(tfc->timestamp.tv_sec < end.tv_sec || |
8697a616 |
662 | (tfc->timestamp.tv_sec == end.tv_sec && |
663 | tfc->timestamp.tv_nsec <= end.tv_nsec)) |
664 | g_tree_insert(pqueue, tfc, tfc); |
dc877563 |
665 | } |
666 | } |
2a2fa4f0 |
667 | } |
668 | |
669 | |
8697a616 |
670 | void lttv_process_traceset_end(LttvTracesetContext *self, |
671 | LttvHooks *after_traceset, |
672 | LttvHooks *after_trace, |
673 | LttvHooks *after_tracefile, |
674 | LttvHooks *event, |
675 | LttvHooksById *event_by_id) |
2a2fa4f0 |
676 | { |
8697a616 |
677 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
678 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ |
679 | lttv_traceset_context_remove_hooks(self, |
680 | after_traceset, |
681 | after_trace, |
682 | after_tracefile, |
683 | event, |
684 | event_by_id); |
685 | } |
2a2fa4f0 |
686 | |
8697a616 |
687 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
688 | { |
689 | guint i, nb_tracefile; |
2a2fa4f0 |
690 | |
691 | LttvTracefileContext *tfc; |
692 | |
8697a616 |
693 | LttEvent *event; |
dc877563 |
694 | |
8697a616 |
695 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
696 | ltt_trace_per_cpu_tracefile_number(self->t); |
dc877563 |
697 | |
8697a616 |
698 | for(i = 0 ; i < nb_tracefile ; i++) { |
699 | tfc = self->tracefiles[i]; |
700 | ltt_tracefile_seek_time(tfc->tf, start); |
701 | event = ltt_tracefile_read(tfc->tf); |
702 | tfc->e = event; |
703 | if(event != NULL) { |
704 | tfc->timestamp = ltt_event_time(event); |
705 | g_tree_insert(self->ts_context->pqueue, tfc, tfc); |
706 | } |
707 | } |
708 | } |
dc877563 |
709 | |
2a2fa4f0 |
710 | |
8697a616 |
711 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
712 | { |
713 | guint i, nb_trace; |
2a2fa4f0 |
714 | |
8697a616 |
715 | LttvTraceContext *tc; |
2a2fa4f0 |
716 | |
8697a616 |
717 | LttvTracefileContext *tfc; |
dc877563 |
718 | |
8697a616 |
719 | /* Empty the pqueue */ |
dc877563 |
720 | |
2a2fa4f0 |
721 | while(TRUE){ |
722 | tfc = NULL; |
723 | g_tree_foreach(self->pqueue, get_first, &tfc); |
724 | if(tfc == NULL) break; |
725 | g_tree_remove(self->pqueue, &(tfc->timestamp)); |
726 | } |
2a2fa4f0 |
727 | |
8697a616 |
728 | nb_trace = lttv_traceset_number(self->ts); |
729 | for(i = 0 ; i < nb_trace ; i++) { |
730 | tc = self->traces[i]; |
731 | lttv_process_trace_seek_time(tc, start); |
732 | } |
dc877563 |
733 | } |
b445142a |
734 | |
308711e5 |
735 | |
8697a616 |
736 | gboolean lttv_process_trace_seek_position(LttvTraceContext *self, |
737 | const LttvTraceContextPosition *pos) |
308711e5 |
738 | { |
dbb7bb09 |
739 | guint i, nb_tracefile; |
308711e5 |
740 | |
741 | LttvTracefileContext *tfc; |
742 | |
743 | LttEvent *event; |
744 | |
dbb7bb09 |
745 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
746 | ltt_trace_per_cpu_tracefile_number(self->t); |
308711e5 |
747 | |
8697a616 |
748 | if(nb_tracefile != pos->nb_tracefile) |
749 | return FALSE; /* Error */ |
750 | |
dbb7bb09 |
751 | for(i = 0 ; i < nb_tracefile ; i++) { |
752 | tfc = self->tracefiles[i]; |
8697a616 |
753 | ltt_tracefile_seek_position(tfc->tf, pos->tf_pos[i]); |
308711e5 |
754 | event = ltt_tracefile_read(tfc->tf); |
755 | tfc->e = event; |
8697a616 |
756 | if(event != NULL) { |
757 | tfc->timestamp = ltt_event_time(event); |
758 | g_tree_insert(self->ts_context->pqueue, tfc, tfc); |
759 | } |
308711e5 |
760 | } |
8697a616 |
761 | |
762 | return TRUE; |
308711e5 |
763 | } |
764 | |
765 | |
8697a616 |
766 | |
767 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
768 | const LttvTracesetContextPosition *pos) |
308711e5 |
769 | { |
770 | guint i, nb_trace; |
8697a616 |
771 | gboolean sum_ret = TRUE; |
308711e5 |
772 | |
773 | LttvTraceContext *tc; |
774 | |
8697a616 |
775 | LttvTracefileContext *tfc; |
776 | |
308711e5 |
777 | nb_trace = lttv_traceset_number(self->ts); |
8697a616 |
778 | |
779 | if(nb_trace != pos->nb_trace) |
780 | return FALSE; /* Error */ |
781 | |
782 | /* Empty the pqueue */ |
783 | |
784 | while(TRUE){ |
785 | tfc = NULL; |
786 | g_tree_foreach(self->pqueue, get_first, &tfc); |
787 | if(tfc == NULL) break; |
788 | g_tree_remove(self->pqueue, &(tfc->timestamp)); |
789 | } |
790 | |
308711e5 |
791 | for(i = 0 ; i < nb_trace ; i++) { |
792 | tc = self->traces[i]; |
8697a616 |
793 | sum_ret = sum_ret && lttv_process_trace_seek_position(tc, &pos->t_pos[i]); |
308711e5 |
794 | } |
8697a616 |
795 | |
796 | return sum_ret; |
308711e5 |
797 | } |
798 | |
799 | |
8697a616 |
800 | |
b445142a |
801 | static LttField * |
802 | find_field(LttEventType *et, const char *field) |
803 | { |
804 | LttType *t; |
805 | |
806 | LttField *f; |
807 | |
808 | guint i, nb; |
809 | |
810 | char *name; |
811 | |
812 | if(field == NULL) return NULL; |
813 | |
814 | f = ltt_eventtype_field(et); |
815 | t = ltt_eventtype_type(et); |
816 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
817 | nb = ltt_type_member_number(t); |
818 | for(i = 0 ; i < nb ; i++) { |
819 | ltt_type_member_type(t, i, &name); |
820 | if(strcmp(name, field) == 0) break; |
821 | } |
822 | g_assert(i < nb); |
823 | return ltt_field_member(f, i); |
824 | } |
825 | |
826 | |
827 | void |
828 | lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type, |
829 | char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th) |
830 | { |
831 | LttFacility *f; |
832 | |
833 | LttEventType *et; |
834 | |
835 | guint nb, pos, i; |
836 | |
837 | char *name; |
838 | |
839 | nb = ltt_trace_facility_find(t, facility, &pos); |
840 | if(nb < 1) g_error("No %s facility", facility); |
841 | f = ltt_trace_facility_get(t, pos); |
842 | et = ltt_facility_eventtype_get_by_name(f, event_type); |
843 | if(et == NULL) g_error("Event %s does not exist", event_type); |
844 | |
845 | th->h = h; |
846 | th->id = ltt_eventtype_id(et); |
847 | th->f1 = find_field(et, field1); |
848 | th->f2 = find_field(et, field2); |
849 | th->f3 = find_field(et, field3); |
850 | } |
851 | |
852 | |
8697a616 |
853 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
854 | LttvTracesetContextPosition *pos) |
855 | { |
856 | guint nb_trace, nb_tracefile; |
857 | guint iter_trace, iter_tracefile; |
858 | |
859 | LttvTraceContext *tc; |
860 | |
861 | LttvTracefileContext *tfc; |
862 | |
863 | LttEvent *event; |
864 | |
865 | pos->nb_trace = nb_trace = lttv_traceset_number(self->ts); |
866 | pos->t_pos = g_new(LttvTraceContextPosition, nb_trace); |
867 | |
868 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
869 | tc = self->traces[iter_trace]; |
870 | pos->t_pos[iter_trace].nb_tracefile = nb_tracefile = |
871 | ltt_trace_control_tracefile_number(tc->t) + |
872 | ltt_trace_per_cpu_tracefile_number(tc->t); |
873 | |
874 | pos->t_pos[iter_trace].tf_pos = g_new(LttEventPosition*, nb_tracefile); |
875 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
876 | pos->t_pos[iter_trace].tf_pos[iter_tracefile] |
877 | = ltt_event_position_new(); |
878 | tfc = tc->tracefiles[iter_tracefile]; |
879 | event = tfc->e; |
880 | ltt_event_position(event, |
881 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
882 | } |
883 | } |
884 | } |
885 | |
886 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) |
887 | { |
888 | guint nb_trace, nb_tracefile; |
889 | guint iter_trace, iter_tracefile; |
890 | |
891 | nb_trace = pos->nb_trace; |
892 | |
893 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
894 | for(iter_tracefile = 0; iter_tracefile < |
895 | pos->t_pos[iter_trace].nb_tracefile; |
896 | iter_tracefile++) { |
897 | |
898 | g_free(pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
899 | } |
900 | g_free(pos->t_pos[iter_trace].tf_pos); |
901 | } |
902 | g_free(pos->t_pos); |
903 | |
904 | } |
905 | |
906 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
907 | const LttvTracesetContextPosition *pos) |
908 | { |
909 | guint nb_trace, nb_tracefile; |
910 | guint iter_trace, iter_tracefile; |
911 | gint ret; |
912 | |
913 | LttvTraceContext *tc; |
914 | |
915 | LttvTracefileContext *tfc; |
916 | |
917 | LttEvent *event; |
918 | |
919 | nb_trace = lttv_traceset_number(self->ts); |
920 | |
921 | if(pos->nb_trace != nb_trace) |
922 | g_error("lttv_traceset_context_ctx_pos_compare : nb_trace does not match."); |
923 | |
924 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
925 | tc = self->traces[iter_trace]; |
926 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
927 | ltt_trace_per_cpu_tracefile_number(tc->t); |
928 | |
929 | if(pos->t_pos[iter_trace].nb_tracefile != nb_tracefile) |
930 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
931 | |
932 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
933 | tfc = tc->tracefiles[iter_tracefile]; |
934 | event = tfc->e; |
935 | if( |
936 | ret = |
937 | ltt_event_event_position_compare(event, |
938 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]) |
939 | != 0) |
940 | return ret; |
941 | } |
942 | } |
943 | return 0; |
944 | } |
945 | |
946 | |
947 | gint lttv_traceset_context_pos_pos_compare( |
948 | const LttvTracesetContextPosition *pos1, |
949 | const LttvTracesetContextPosition *pos2) |
950 | { |
951 | guint nb_trace, nb_tracefile; |
952 | guint iter_trace, iter_tracefile; |
953 | |
954 | gint ret; |
955 | |
956 | nb_trace = pos1->nb_trace; |
957 | if(nb_trace != pos2->nb_trace) |
958 | g_error("lttv_traceset_context_pos_pos_compare : nb_trace does not match."); |
959 | |
960 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
961 | |
962 | nb_tracefile = pos1->t_pos[iter_trace].nb_tracefile; |
963 | if(nb_tracefile != pos2->t_pos[iter_trace].nb_tracefile) |
964 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
965 | |
966 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
967 | if(ret = |
968 | ltt_event_position_compare( |
969 | pos1->t_pos[iter_trace].tf_pos[iter_tracefile], |
970 | pos2->t_pos[iter_trace].tf_pos[iter_tracefile]) |
971 | != 0) |
972 | return ret; |
973 | } |
974 | } |
975 | return 0; |
976 | } |
977 | |
978 | |