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 { |
2d262115 |
48 | LttEventPosition **tf_pos; /* Position in each tracefile */ |
8697a616 |
49 | guint nb_tracefile; /* Number of tracefiles (check) */ |
50 | }; |
51 | |
52 | struct _LttvTracesetContextPosition { |
2d262115 |
53 | LttvTraceContextPosition *t_pos; /* Position in each trace */ |
8697a616 |
54 | guint nb_trace; /* Number of traces (check) */ |
2d262115 |
55 | LttTime timestamp; /* Current time at the saved position */ |
8697a616 |
56 | }; |
57 | |
ffd54a90 |
58 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 |
59 | { |
ffd54a90 |
60 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 |
61 | } |
62 | |
63 | |
64 | void lttv_context_fini(LttvTracesetContext *self) |
65 | { |
66 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
67 | } |
68 | |
69 | |
70 | LttvTracesetContext * |
71 | lttv_context_new_traceset_context(LttvTracesetContext *self) |
72 | { |
73 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
74 | } |
75 | |
76 | |
77 | |
78 | |
79 | LttvTraceContext * |
80 | lttv_context_new_trace_context(LttvTracesetContext *self) |
81 | { |
82 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
83 | } |
84 | |
85 | |
86 | LttvTracefileContext * |
87 | lttv_context_new_tracefile_context(LttvTracesetContext *self) |
88 | { |
c6bc9cb9 |
89 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 |
90 | } |
91 | |
f7afe191 |
92 | /**************************************************************************** |
93 | * lttv_traceset_context_compute_time_span |
94 | * |
8697a616 |
95 | * Keep the time span is sync with on the fly addition and removal of traces |
f7afe191 |
96 | * in a trace set. It must be called each time a trace is added/removed from |
97 | * the traceset. It could be more efficient to call it only once a bunch |
98 | * of traces are loaded, but the calculation is not long, so it's not |
99 | * critical. |
100 | * |
101 | * Author : Xang Xiu Yang |
f7afe191 |
102 | ***************************************************************************/ |
103 | static void lttv_traceset_context_compute_time_span( |
104 | LttvTracesetContext *self, |
33f7a12c |
105 | TimeInterval *time_span) |
f7afe191 |
106 | { |
107 | LttvTraceset * traceset = self->ts; |
108 | int numTraces = lttv_traceset_number(traceset); |
109 | int i; |
110 | LttTime s, e; |
111 | LttvTraceContext *tc; |
112 | LttTrace * trace; |
113 | |
33f7a12c |
114 | time_span->start_time.tv_sec = 0; |
115 | time_span->start_time.tv_nsec = 0; |
116 | time_span->end_time.tv_sec = 0; |
117 | time_span->end_time.tv_nsec = 0; |
912be9a5 |
118 | |
f7afe191 |
119 | for(i=0; i<numTraces;i++){ |
120 | tc = self->traces[i]; |
121 | trace = tc->t; |
122 | |
123 | ltt_trace_time_span_get(trace, &s, &e); |
124 | |
125 | if(i==0){ |
33f7a12c |
126 | time_span->start_time = s; |
127 | time_span->end_time = e; |
f7afe191 |
128 | }else{ |
33f7a12c |
129 | if(s.tv_sec < time_span->start_time.tv_sec |
130 | || (s.tv_sec == time_span->start_time.tv_sec |
131 | && s.tv_nsec < time_span->start_time.tv_nsec)) |
132 | time_span->start_time = s; |
133 | if(e.tv_sec > time_span->end_time.tv_sec |
134 | || (e.tv_sec == time_span->end_time.tv_sec |
135 | && e.tv_nsec > time_span->end_time.tv_nsec)) |
136 | time_span->end_time = e; |
f7afe191 |
137 | } |
138 | } |
139 | } |
140 | |
dc877563 |
141 | |
142 | static void |
143 | init(LttvTracesetContext *self, LttvTraceset *ts) |
144 | { |
145 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
146 | |
147 | LttvTraceContext *tc; |
148 | |
149 | LttvTracefileContext *tfc; |
150 | |
308711e5 |
151 | LttTime null_time = {0, 0}; |
152 | |
dc877563 |
153 | nb_trace = lttv_traceset_number(ts); |
154 | self->ts = ts; |
ffd54a90 |
155 | self->traces = g_new(LttvTraceContext *, nb_trace); |
ffd54a90 |
156 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
157 | self->ts_a = lttv_traceset_attribute(ts); |
dc877563 |
158 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
159 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 |
160 | self->traces[i] = tc; |
161 | |
162 | tc->ts_context = self; |
163 | tc->index = i; |
308711e5 |
164 | tc->vt = lttv_traceset_get(ts, i); |
165 | tc->t = lttv_trace(tc->vt); |
ffd54a90 |
166 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
167 | tc->t_a = lttv_trace_attribute(tc->vt); |
dc877563 |
168 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
169 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
170 | nb_tracefile = nb_control + nb_per_cpu; |
dbb7bb09 |
171 | tc->tracefiles = g_new(LttvTracefileContext *, nb_tracefile); |
dc877563 |
172 | |
173 | for(j = 0 ; j < nb_tracefile ; j++) { |
ffd54a90 |
174 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dbb7bb09 |
175 | tc->tracefiles[j] = tfc; |
176 | tfc->index = j; |
177 | |
dc877563 |
178 | if(j < nb_control) { |
dc877563 |
179 | tfc->control = TRUE; |
ffd54a90 |
180 | tfc->tf = ltt_trace_control_tracefile_get(tc->t, j); |
dc877563 |
181 | } |
182 | else { |
dc877563 |
183 | tfc->control = FALSE; |
ffd54a90 |
184 | tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control); |
dc877563 |
185 | } |
186 | tfc->t_context = tc; |
d3e01c7a |
187 | tfc->e = ltt_event_new(); |
8697a616 |
188 | tfc->event = lttv_hooks_new(); |
189 | tfc->event_by_id = lttv_hooks_by_id_new(); |
ffd54a90 |
190 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
dc877563 |
191 | } |
192 | } |
2d262115 |
193 | self->pqueue = g_tree_new(compare_tracefile); |
308711e5 |
194 | lttv_process_traceset_seek_time(self, null_time); |
33f7a12c |
195 | lttv_traceset_context_compute_time_span(self, &self->time_span); |
8697a616 |
196 | |
dc877563 |
197 | } |
198 | |
199 | |
200 | void fini(LttvTracesetContext *self) |
201 | { |
dbb7bb09 |
202 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
203 | |
204 | LttvTraceContext *tc; |
205 | |
206 | LttvTracefileContext *tfc; |
207 | |
ffd54a90 |
208 | LttvTraceset *ts = self->ts; |
dc877563 |
209 | |
f7afe191 |
210 | //FIXME : segfault |
8697a616 |
211 | |
212 | g_tree_destroy(self->pqueue); |
2061e03d |
213 | g_object_unref(self->a); |
dc877563 |
214 | |
215 | nb_trace = lttv_traceset_number(ts); |
216 | |
217 | for(i = 0 ; i < nb_trace ; i++) { |
218 | tc = self->traces[i]; |
219 | |
ffd54a90 |
220 | g_object_unref(tc->a); |
dc877563 |
221 | |
dbb7bb09 |
222 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
223 | ltt_trace_per_cpu_tracefile_number(tc->t); |
dc877563 |
224 | |
225 | for(j = 0 ; j < nb_tracefile ; j++) { |
dbb7bb09 |
226 | tfc = tc->tracefiles[j]; |
d3e01c7a |
227 | ltt_event_destroy(tfc->e); |
8697a616 |
228 | lttv_hooks_destroy(tfc->event); |
229 | lttv_hooks_by_id_destroy(tfc->event_by_id); |
ffd54a90 |
230 | g_object_unref(tfc->a); |
dc877563 |
231 | g_object_unref(tfc); |
232 | } |
dbb7bb09 |
233 | g_free(tc->tracefiles); |
dc877563 |
234 | g_object_unref(tc); |
235 | } |
236 | g_free(self->traces); |
237 | } |
238 | |
239 | |
240 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, |
8697a616 |
241 | LttvHooks *before_traceset, |
dc877563 |
242 | LttvHooks *before_trace, |
ffd54a90 |
243 | LttvHooks *before_tracefile, |
8697a616 |
244 | LttvHooks *event, |
245 | LttvHooksById *event_by_id) |
dc877563 |
246 | { |
247 | LttvTraceset *ts = self->ts; |
248 | |
8697a616 |
249 | guint i, nb_trace; |
dc877563 |
250 | |
251 | LttvTraceContext *tc; |
252 | |
8697a616 |
253 | lttv_hooks_call(before_traceset, self); |
dc877563 |
254 | |
dc877563 |
255 | nb_trace = lttv_traceset_number(ts); |
256 | |
257 | for(i = 0 ; i < nb_trace ; i++) { |
258 | tc = self->traces[i]; |
8697a616 |
259 | lttv_trace_context_add_hooks(tc, |
260 | before_trace, |
261 | before_tracefile, |
262 | event, |
263 | event_by_id); |
dc877563 |
264 | } |
265 | } |
266 | |
267 | |
268 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, |
dc877563 |
269 | LttvHooks *after_traceset, |
dc877563 |
270 | LttvHooks *after_trace, |
ffd54a90 |
271 | LttvHooks *after_tracefile, |
8697a616 |
272 | LttvHooks *event, |
273 | LttvHooksById *event_by_id) |
dc877563 |
274 | { |
8697a616 |
275 | |
dc877563 |
276 | LttvTraceset *ts = self->ts; |
277 | |
8697a616 |
278 | guint i, nb_trace; |
dc877563 |
279 | |
280 | LttvTraceContext *tc; |
281 | |
dc877563 |
282 | nb_trace = lttv_traceset_number(ts); |
283 | |
284 | for(i = 0 ; i < nb_trace ; i++) { |
285 | tc = self->traces[i]; |
8697a616 |
286 | lttv_trace_context_remove_hooks(tc, |
287 | after_trace, |
288 | after_tracefile, |
289 | event, |
290 | event_by_id); |
dc877563 |
291 | } |
8697a616 |
292 | |
293 | lttv_hooks_call(after_traceset, self); |
294 | |
295 | |
dc877563 |
296 | } |
297 | |
8697a616 |
298 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
299 | LttvHooks *before_trace, |
300 | LttvHooks *before_tracefile, |
301 | LttvHooks *event, |
302 | LttvHooksById *event_by_id) |
a8c0f09d |
303 | { |
8697a616 |
304 | guint i, nb_tracefile; |
305 | |
306 | LttvTracefileContext *tfc; |
307 | |
308 | lttv_hooks_call(before_trace, self); |
309 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
310 | ltt_trace_per_cpu_tracefile_number(self->t); |
311 | |
312 | for(i = 0 ; i < nb_tracefile ; i++) { |
313 | tfc = self->tracefiles[i]; |
314 | lttv_tracefile_context_add_hooks(tfc, |
315 | before_tracefile, |
316 | event, |
317 | event_by_id); |
318 | } |
a8c0f09d |
319 | } |
320 | |
8697a616 |
321 | |
322 | |
323 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, |
324 | LttvHooks *after_trace, |
325 | LttvHooks *after_tracefile, |
326 | LttvHooks *event, |
327 | LttvHooksById *event_by_id) |
a8c0f09d |
328 | { |
8697a616 |
329 | guint i, nb_tracefile; |
330 | |
331 | LttvTracefileContext *tfc; |
332 | |
333 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
334 | ltt_trace_per_cpu_tracefile_number(self->t); |
335 | |
336 | for(i = 0 ; i < nb_tracefile ; i++) { |
337 | tfc = self->tracefiles[i]; |
338 | lttv_tracefile_context_remove_hooks(tfc, |
339 | after_tracefile, |
340 | event, |
341 | event_by_id); |
342 | } |
343 | |
344 | lttv_hooks_call(after_trace, self); |
a8c0f09d |
345 | } |
346 | |
8697a616 |
347 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
348 | LttvHooks *before_tracefile, |
349 | LttvHooks *event, |
350 | LttvHooksById *event_by_id) |
a8c0f09d |
351 | { |
8697a616 |
352 | guint i; |
353 | |
354 | LttvHooks *hook; |
355 | |
356 | lttv_hooks_call(before_tracefile, self); |
357 | lttv_hooks_add_list(self->event, event); |
358 | if(event_by_id != NULL) |
359 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
360 | hook = lttv_hooks_by_id_get(self->event_by_id, i); |
361 | if(hook != NULL) |
362 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
363 | } |
364 | |
a8c0f09d |
365 | } |
366 | |
8697a616 |
367 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
368 | LttvHooks *after_tracefile, |
369 | LttvHooks *event, |
370 | LttvHooksById *event_by_id) |
a8c0f09d |
371 | { |
8697a616 |
372 | guint i; |
373 | |
374 | LttvHooks *hook; |
375 | |
376 | |
377 | lttv_hooks_remove_list(self->event, event); |
378 | if(event_by_id != NULL) |
379 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
380 | hook = lttv_hooks_by_id_find(self->event_by_id, i); |
381 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
382 | } |
383 | |
384 | lttv_hooks_call(after_tracefile, self); |
a8c0f09d |
385 | } |
386 | |
8697a616 |
387 | |
388 | |
a8c0f09d |
389 | void lttv_tracefile_context_add_hooks_by_id(LttvTracefileContext *tfc, |
390 | unsigned i, |
8697a616 |
391 | LttvHooks *event_by_id) |
a8c0f09d |
392 | { |
393 | LttvHooks * h; |
8697a616 |
394 | h = lttv_hooks_by_id_find(tfc->event_by_id, i); |
395 | lttv_hooks_add_list(h, event_by_id); |
a8c0f09d |
396 | } |
397 | |
398 | void lttv_tracefile_context_remove_hooks_by_id(LttvTracefileContext *tfc, |
399 | unsigned i) |
400 | { |
8697a616 |
401 | lttv_hooks_by_id_remove(tfc->event_by_id, i); |
a8c0f09d |
402 | } |
dc877563 |
403 | |
ba576a78 |
404 | static LttvTracesetContext * |
dc877563 |
405 | new_traceset_context(LttvTracesetContext *self) |
406 | { |
ffd54a90 |
407 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 |
408 | } |
409 | |
410 | |
ba576a78 |
411 | static LttvTraceContext * |
dc877563 |
412 | new_trace_context(LttvTracesetContext *self) |
413 | { |
ffd54a90 |
414 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 |
415 | } |
416 | |
417 | |
ba576a78 |
418 | static LttvTracefileContext * |
dc877563 |
419 | new_tracefile_context(LttvTracesetContext *self) |
420 | { |
ffd54a90 |
421 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 |
422 | } |
423 | |
424 | |
425 | static void |
426 | traceset_context_instance_init (GTypeInstance *instance, gpointer g_class) |
427 | { |
428 | /* Be careful of anything which would not work well with shallow copies */ |
429 | } |
430 | |
431 | |
432 | static void |
433 | traceset_context_finalize (LttvTracesetContext *self) |
434 | { |
b445142a |
435 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
436 | ->finalize(G_OBJECT(self)); |
dc877563 |
437 | } |
438 | |
439 | |
440 | static void |
441 | traceset_context_class_init (LttvTracesetContextClass *klass) |
442 | { |
443 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
444 | |
ffd54a90 |
445 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; |
dc877563 |
446 | klass->init = init; |
447 | klass->fini = fini; |
448 | klass->new_traceset_context = new_traceset_context; |
449 | klass->new_trace_context = new_trace_context; |
450 | klass->new_tracefile_context = new_tracefile_context; |
451 | } |
452 | |
453 | |
454 | GType |
ffd54a90 |
455 | lttv_traceset_context_get_type(void) |
dc877563 |
456 | { |
457 | static GType type = 0; |
458 | if (type == 0) { |
459 | static const GTypeInfo info = { |
ffd54a90 |
460 | sizeof (LttvTracesetContextClass), |
dc877563 |
461 | NULL, /* base_init */ |
462 | NULL, /* base_finalize */ |
ffd54a90 |
463 | (GClassInitFunc) traceset_context_class_init, /* class_init */ |
dc877563 |
464 | NULL, /* class_finalize */ |
465 | NULL, /* class_data */ |
ffd54a90 |
466 | sizeof (LttvTracesetContext), |
dc877563 |
467 | 0, /* n_preallocs */ |
ffd54a90 |
468 | (GInstanceInitFunc) traceset_context_instance_init /* instance_init */ |
dc877563 |
469 | }; |
470 | |
ffd54a90 |
471 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", |
dc877563 |
472 | &info, 0); |
473 | } |
474 | return type; |
475 | } |
476 | |
477 | |
478 | static void |
479 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) |
480 | { |
481 | /* Be careful of anything which would not work well with shallow copies */ |
482 | } |
483 | |
484 | |
485 | static void |
486 | trace_context_finalize (LttvTraceContext *self) |
487 | { |
b445142a |
488 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
489 | finalize(G_OBJECT(self)); |
dc877563 |
490 | } |
491 | |
492 | |
493 | static void |
494 | trace_context_class_init (LttvTraceContextClass *klass) |
495 | { |
496 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
497 | |
ffd54a90 |
498 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 |
499 | } |
500 | |
501 | |
502 | GType |
ffd54a90 |
503 | lttv_trace_context_get_type(void) |
dc877563 |
504 | { |
505 | static GType type = 0; |
506 | if (type == 0) { |
507 | static const GTypeInfo info = { |
ffd54a90 |
508 | sizeof (LttvTraceContextClass), |
dc877563 |
509 | NULL, /* base_init */ |
510 | NULL, /* base_finalize */ |
ffd54a90 |
511 | (GClassInitFunc) trace_context_class_init, /* class_init */ |
dc877563 |
512 | NULL, /* class_finalize */ |
513 | NULL, /* class_data */ |
c6bc9cb9 |
514 | sizeof (LttvTraceContext), |
dc877563 |
515 | 0, /* n_preallocs */ |
ffd54a90 |
516 | (GInstanceInitFunc) trace_context_instance_init /* instance_init */ |
dc877563 |
517 | }; |
518 | |
ffd54a90 |
519 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", |
dc877563 |
520 | &info, 0); |
521 | } |
522 | return type; |
523 | } |
524 | |
525 | |
526 | static void |
527 | tracefile_context_instance_init (GTypeInstance *instance, gpointer g_class) |
528 | { |
529 | /* Be careful of anything which would not work well with shallow copies */ |
530 | } |
531 | |
532 | |
533 | static void |
534 | tracefile_context_finalize (LttvTracefileContext *self) |
535 | { |
b445142a |
536 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
537 | ->finalize(G_OBJECT(self)); |
dc877563 |
538 | } |
539 | |
540 | |
541 | static void |
542 | tracefile_context_class_init (LttvTracefileContextClass *klass) |
543 | { |
544 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
545 | |
ffd54a90 |
546 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
547 | } |
548 | |
549 | |
550 | GType |
551 | lttv_tracefile_context_get_type(void) |
552 | { |
553 | static GType type = 0; |
554 | if (type == 0) { |
555 | static const GTypeInfo info = { |
556 | sizeof (LttvTracefileContextClass), |
557 | NULL, /* base_init */ |
558 | NULL, /* base_finalize */ |
559 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ |
560 | NULL, /* class_finalize */ |
561 | NULL, /* class_data */ |
562 | sizeof (LttvTracefileContext), |
563 | 0, /* n_preallocs */ |
564 | (GInstanceInitFunc) tracefile_context_instance_init /* instance_init */ |
565 | }; |
566 | |
567 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", |
568 | &info, 0); |
569 | } |
570 | return type; |
dc877563 |
571 | } |
572 | |
573 | |
dc877563 |
574 | |
575 | gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
576 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; |
577 | return TRUE; |
578 | } |
579 | |
580 | |
8b0bbe19 |
581 | /* Put all the tracefiles at the tracefile context position */ |
582 | void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *self) |
583 | { |
584 | guint iter_trace, nb_trace; |
585 | |
586 | LttvTraceContext *tc; |
587 | |
588 | nb_trace = lttv_traceset_number(self->ts); |
589 | |
590 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
591 | tc = self->traces[iter_trace]; |
592 | { |
593 | /* each trace */ |
594 | guint iter_tf, nb_tracefile; |
595 | |
596 | LttvTracefileContext *tfc; |
597 | |
598 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
599 | ltt_trace_per_cpu_tracefile_number(tc->t); |
600 | |
601 | for(iter_tf = 0 ; iter_tf < nb_tracefile ; iter_tf++) { |
602 | tfc = tc->tracefiles[iter_tf]; |
603 | { |
604 | /* each tracefile */ |
605 | //ltt_tracefile_copy(tfc->tf_sync_data, tfc->tf); |
606 | LttEventPosition *ep = ltt_event_position_new(); |
607 | |
608 | ltt_event_position(tfc->e, ep); |
609 | |
610 | ltt_tracefile_seek_position(tfc->tf, ep); |
611 | g_free(ep); |
612 | } |
613 | } |
614 | } |
615 | } |
616 | } |
617 | |
618 | |
dc877563 |
619 | |
8697a616 |
620 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
621 | LttvHooks *before_traceset, |
622 | LttvHooks *before_trace, |
623 | LttvHooks *before_tracefile, |
624 | LttvHooks *event, |
625 | LttvHooksById *event_by_id) |
626 | { |
dc877563 |
627 | |
8697a616 |
628 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
629 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ |
630 | lttv_traceset_context_add_hooks(self, |
631 | before_traceset, |
632 | before_trace, |
633 | before_tracefile, |
634 | event, |
635 | event_by_id); |
636 | |
2a2fa4f0 |
637 | } |
638 | |
8697a616 |
639 | /* Note : a _middle must be preceded from a _seek or another middle */ |
640 | guint lttv_process_traceset_middle(LttvTracesetContext *self, |
641 | LttTime end, |
b8eccacd |
642 | guint nb_events, |
8697a616 |
643 | const LttvTracesetContextPosition *end_position) |
2a2fa4f0 |
644 | { |
645 | GTree *pqueue = self->pqueue; |
646 | |
647 | guint id; |
648 | |
2a2fa4f0 |
649 | LttvTracefileContext *tfc; |
650 | |
2a2fa4f0 |
651 | unsigned count = 0; |
652 | |
a54f091a |
653 | gboolean last_ret = FALSE; /* return value of the last hook list called */ |
654 | |
dc877563 |
655 | /* Get the next event from the pqueue, call its hooks, |
656 | reinsert in the pqueue the following event from the same tracefile |
657 | unless the tracefile is finished or the event is later than the |
8697a616 |
658 | end time. */ |
dc877563 |
659 | |
ffd54a90 |
660 | while(TRUE) { |
dc877563 |
661 | tfc = NULL; |
662 | g_tree_foreach(pqueue, get_first, &tfc); |
33f7a12c |
663 | /* End of traceset : tfc is NULL */ |
a43d67ba |
664 | if(tfc == NULL) |
665 | { |
a43d67ba |
666 | return count; |
667 | } |
dc877563 |
668 | |
8697a616 |
669 | /* Have we reached : |
670 | * - the maximum number of events specified? |
671 | * - the end position ? |
672 | * - the end time ? |
673 | * then the read is finished. We leave the queue in the same state and |
674 | * break the loop. |
675 | */ |
676 | |
a54f091a |
677 | if(last_ret == TRUE || |
678 | count >= nb_events || |
8b0bbe19 |
679 | (end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self, |
680 | end_position) == 0)|| |
8697a616 |
681 | ltt_time_compare(tfc->timestamp, end) >= 0) |
a43d67ba |
682 | { |
a43d67ba |
683 | return count; |
684 | } |
2a2fa4f0 |
685 | |
308711e5 |
686 | /* Get the tracefile with an event for the smallest time found. If two |
687 | or more tracefiles have events for the same time, hope that lookup |
688 | and remove are consistent. */ |
270e7cc5 |
689 | |
f95bc830 |
690 | g_tree_remove(pqueue, tfc); |
2a2fa4f0 |
691 | count++; |
dc877563 |
692 | |
8697a616 |
693 | id = ltt_event_eventtype_id(tfc->e); |
a54f091a |
694 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, |
8697a616 |
695 | lttv_hooks_by_id_get(tfc->event_by_id, id), tfc); |
dc877563 |
696 | |
d3e01c7a |
697 | if(ltt_tracefile_read(tfc->tf, tfc->e) != NULL) { |
698 | tfc->timestamp = ltt_event_time(tfc->e); |
33f7a12c |
699 | g_tree_insert(pqueue, tfc, tfc); |
dc877563 |
700 | } |
701 | } |
2a2fa4f0 |
702 | } |
703 | |
704 | |
8697a616 |
705 | void lttv_process_traceset_end(LttvTracesetContext *self, |
706 | LttvHooks *after_traceset, |
707 | LttvHooks *after_trace, |
708 | LttvHooks *after_tracefile, |
709 | LttvHooks *event, |
710 | LttvHooksById *event_by_id) |
2a2fa4f0 |
711 | { |
8697a616 |
712 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
713 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ |
714 | lttv_traceset_context_remove_hooks(self, |
715 | after_traceset, |
716 | after_trace, |
717 | after_tracefile, |
718 | event, |
719 | event_by_id); |
720 | } |
2a2fa4f0 |
721 | |
8697a616 |
722 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
723 | { |
724 | guint i, nb_tracefile; |
2a2fa4f0 |
725 | |
726 | LttvTracefileContext *tfc; |
727 | |
a5ba1787 |
728 | GTree *pqueue = self->ts_context->pqueue; |
729 | |
8697a616 |
730 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
731 | ltt_trace_per_cpu_tracefile_number(self->t); |
dc877563 |
732 | |
8697a616 |
733 | for(i = 0 ; i < nb_tracefile ; i++) { |
734 | tfc = self->tracefiles[i]; |
735 | ltt_tracefile_seek_time(tfc->tf, start); |
a5ba1787 |
736 | g_tree_remove(pqueue, tfc); |
d3e01c7a |
737 | if(ltt_tracefile_read(tfc->tf, tfc->e) != NULL) { |
738 | tfc->timestamp = ltt_event_time(tfc->e); |
a5ba1787 |
739 | g_tree_insert(pqueue, tfc, tfc); |
8697a616 |
740 | } |
741 | } |
742 | } |
dc877563 |
743 | |
2a2fa4f0 |
744 | |
8697a616 |
745 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
746 | { |
747 | guint i, nb_trace; |
2a2fa4f0 |
748 | |
8697a616 |
749 | LttvTraceContext *tc; |
2a2fa4f0 |
750 | |
8697a616 |
751 | LttvTracefileContext *tfc; |
dc877563 |
752 | |
8697a616 |
753 | nb_trace = lttv_traceset_number(self->ts); |
754 | for(i = 0 ; i < nb_trace ; i++) { |
755 | tc = self->traces[i]; |
756 | lttv_process_trace_seek_time(tc, start); |
757 | } |
dc877563 |
758 | } |
b445142a |
759 | |
308711e5 |
760 | |
a5ba1787 |
761 | gboolean lttv_process_tracefile_seek_position(LttvTracefileContext *self, |
762 | const LttEventPosition *pos) |
763 | { |
764 | LttvTracefileContext *tfc = self; |
765 | |
766 | LttEvent *event; |
767 | |
768 | GTree *pqueue = self->t_context->ts_context->pqueue; |
769 | |
770 | ltt_tracefile_seek_position(tfc->tf, pos); |
771 | g_tree_remove(pqueue, tfc); |
d3e01c7a |
772 | if(ltt_tracefile_read(tfc->tf, tfc->e) != NULL) { |
773 | tfc->timestamp = ltt_event_time(tfc->e); |
a5ba1787 |
774 | g_tree_insert(pqueue, tfc, tfc); |
775 | } |
776 | |
777 | |
778 | } |
779 | |
8697a616 |
780 | gboolean lttv_process_trace_seek_position(LttvTraceContext *self, |
781 | const LttvTraceContextPosition *pos) |
308711e5 |
782 | { |
dbb7bb09 |
783 | guint i, nb_tracefile; |
308711e5 |
784 | |
785 | LttvTracefileContext *tfc; |
786 | |
787 | LttEvent *event; |
788 | |
dbb7bb09 |
789 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
790 | ltt_trace_per_cpu_tracefile_number(self->t); |
308711e5 |
791 | |
8697a616 |
792 | if(nb_tracefile != pos->nb_tracefile) |
793 | return FALSE; /* Error */ |
794 | |
dbb7bb09 |
795 | for(i = 0 ; i < nb_tracefile ; i++) { |
796 | tfc = self->tracefiles[i]; |
a5ba1787 |
797 | lttv_process_tracefile_seek_position(tfc, pos->tf_pos[i]); |
308711e5 |
798 | } |
8697a616 |
799 | |
800 | return TRUE; |
308711e5 |
801 | } |
802 | |
803 | |
8697a616 |
804 | |
805 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
806 | const LttvTracesetContextPosition *pos) |
308711e5 |
807 | { |
808 | guint i, nb_trace; |
8697a616 |
809 | gboolean sum_ret = TRUE; |
308711e5 |
810 | |
811 | LttvTraceContext *tc; |
812 | |
8697a616 |
813 | LttvTracefileContext *tfc; |
814 | |
308711e5 |
815 | nb_trace = lttv_traceset_number(self->ts); |
8697a616 |
816 | |
817 | if(nb_trace != pos->nb_trace) |
818 | return FALSE; /* Error */ |
819 | |
308711e5 |
820 | for(i = 0 ; i < nb_trace ; i++) { |
821 | tc = self->traces[i]; |
8697a616 |
822 | sum_ret = sum_ret && lttv_process_trace_seek_position(tc, &pos->t_pos[i]); |
308711e5 |
823 | } |
8697a616 |
824 | |
825 | return sum_ret; |
308711e5 |
826 | } |
827 | |
828 | |
8697a616 |
829 | |
b445142a |
830 | static LttField * |
831 | find_field(LttEventType *et, const char *field) |
832 | { |
833 | LttType *t; |
834 | |
835 | LttField *f; |
836 | |
837 | guint i, nb; |
838 | |
839 | char *name; |
840 | |
841 | if(field == NULL) return NULL; |
842 | |
843 | f = ltt_eventtype_field(et); |
844 | t = ltt_eventtype_type(et); |
845 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
846 | nb = ltt_type_member_number(t); |
847 | for(i = 0 ; i < nb ; i++) { |
848 | ltt_type_member_type(t, i, &name); |
849 | if(strcmp(name, field) == 0) break; |
850 | } |
851 | g_assert(i < nb); |
852 | return ltt_field_member(f, i); |
853 | } |
854 | |
855 | |
856 | void |
857 | lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type, |
858 | char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th) |
859 | { |
860 | LttFacility *f; |
861 | |
862 | LttEventType *et; |
863 | |
864 | guint nb, pos, i; |
865 | |
866 | char *name; |
867 | |
868 | nb = ltt_trace_facility_find(t, facility, &pos); |
869 | if(nb < 1) g_error("No %s facility", facility); |
870 | f = ltt_trace_facility_get(t, pos); |
871 | et = ltt_facility_eventtype_get_by_name(f, event_type); |
872 | if(et == NULL) g_error("Event %s does not exist", event_type); |
873 | |
874 | th->h = h; |
875 | th->id = ltt_eventtype_id(et); |
876 | th->f1 = find_field(et, field1); |
877 | th->f2 = find_field(et, field2); |
878 | th->f3 = find_field(et, field3); |
879 | } |
880 | |
881 | |
8b0bbe19 |
882 | LttvTracesetContextPosition *lttv_traceset_context_position_new() |
5e2c04a2 |
883 | { |
884 | return g_new(LttvTracesetContextPosition,1); |
885 | } |
886 | |
887 | |
8697a616 |
888 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
889 | LttvTracesetContextPosition *pos) |
890 | { |
891 | guint nb_trace, nb_tracefile; |
892 | guint iter_trace, iter_tracefile; |
893 | |
894 | LttvTraceContext *tc; |
895 | |
896 | LttvTracefileContext *tfc; |
897 | |
898 | LttEvent *event; |
899 | |
2d262115 |
900 | LttTime timestamp = self->time_span.end_time; |
901 | |
8697a616 |
902 | pos->nb_trace = nb_trace = lttv_traceset_number(self->ts); |
903 | pos->t_pos = g_new(LttvTraceContextPosition, nb_trace); |
904 | |
905 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
906 | tc = self->traces[iter_trace]; |
907 | pos->t_pos[iter_trace].nb_tracefile = nb_tracefile = |
908 | ltt_trace_control_tracefile_number(tc->t) + |
909 | ltt_trace_per_cpu_tracefile_number(tc->t); |
910 | |
911 | pos->t_pos[iter_trace].tf_pos = g_new(LttEventPosition*, nb_tracefile); |
912 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
8697a616 |
913 | tfc = tc->tracefiles[iter_tracefile]; |
914 | event = tfc->e; |
4d39be09 |
915 | if(event!=NULL) { |
916 | pos->t_pos[iter_trace].tf_pos[iter_tracefile] |
917 | = ltt_event_position_new(); |
918 | ltt_event_position(event, |
919 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
920 | } else { |
921 | pos->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL; |
922 | } |
2d262115 |
923 | if(ltt_time_compare(tfc->timestamp, timestamp) < 0) |
924 | timestamp = tfc->timestamp; |
8697a616 |
925 | } |
926 | } |
2d262115 |
927 | pos->timestamp = timestamp; |
8697a616 |
928 | } |
929 | |
930 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) |
931 | { |
932 | guint nb_trace, nb_tracefile; |
933 | guint iter_trace, iter_tracefile; |
934 | |
935 | nb_trace = pos->nb_trace; |
936 | |
937 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
938 | for(iter_tracefile = 0; iter_tracefile < |
939 | pos->t_pos[iter_trace].nb_tracefile; |
940 | iter_tracefile++) { |
4d39be09 |
941 | if(pos->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL) |
942 | g_free(pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
8697a616 |
943 | } |
944 | g_free(pos->t_pos[iter_trace].tf_pos); |
945 | } |
946 | g_free(pos->t_pos); |
947 | |
948 | } |
949 | |
5e2c04a2 |
950 | void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest, |
951 | const LttvTracesetContextPosition *src) |
952 | { |
953 | guint nb_trace, nb_tracefile; |
954 | guint iter_trace, iter_tracefile; |
955 | |
956 | nb_trace = dest->nb_trace = src->nb_trace; |
957 | dest->t_pos = g_new(LttvTraceContextPosition, nb_trace); |
958 | |
959 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
960 | |
961 | nb_tracefile = dest->t_pos[iter_trace].nb_tracefile = |
962 | src->t_pos[iter_trace].nb_tracefile; |
963 | |
964 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
965 | dest->t_pos[iter_trace].tf_pos[iter_tracefile] = |
966 | ltt_event_position_new(); |
4d39be09 |
967 | if(src->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL) |
968 | ltt_event_position_copy( |
5e2c04a2 |
969 | dest->t_pos[iter_trace].tf_pos[iter_tracefile], |
970 | src->t_pos[iter_trace].tf_pos[iter_tracefile]); |
4d39be09 |
971 | else |
972 | dest->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL; |
5e2c04a2 |
973 | } |
974 | } |
975 | |
976 | dest->timestamp = src->timestamp; |
977 | } |
978 | |
8697a616 |
979 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
980 | const LttvTracesetContextPosition *pos) |
981 | { |
982 | guint nb_trace, nb_tracefile; |
983 | guint iter_trace, iter_tracefile; |
984 | gint ret; |
985 | |
986 | LttvTraceContext *tc; |
987 | |
988 | LttvTracefileContext *tfc; |
989 | |
990 | LttEvent *event; |
991 | |
992 | nb_trace = lttv_traceset_number(self->ts); |
993 | |
994 | if(pos->nb_trace != nb_trace) |
995 | g_error("lttv_traceset_context_ctx_pos_compare : nb_trace does not match."); |
996 | |
997 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
998 | tc = self->traces[iter_trace]; |
999 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
1000 | ltt_trace_per_cpu_tracefile_number(tc->t); |
1001 | |
1002 | if(pos->t_pos[iter_trace].nb_tracefile != nb_tracefile) |
1003 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
1004 | |
1005 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
1006 | tfc = tc->tracefiles[iter_tracefile]; |
1007 | event = tfc->e; |
1008 | if( |
1009 | ret = |
1010 | ltt_event_event_position_compare(event, |
1011 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]) |
1012 | != 0) |
1013 | return ret; |
1014 | } |
1015 | } |
1016 | return 0; |
1017 | } |
1018 | |
1019 | |
1020 | gint lttv_traceset_context_pos_pos_compare( |
1021 | const LttvTracesetContextPosition *pos1, |
1022 | const LttvTracesetContextPosition *pos2) |
1023 | { |
1024 | guint nb_trace, nb_tracefile; |
1025 | guint iter_trace, iter_tracefile; |
1026 | |
1027 | gint ret; |
1028 | |
1029 | nb_trace = pos1->nb_trace; |
1030 | if(nb_trace != pos2->nb_trace) |
1031 | g_error("lttv_traceset_context_pos_pos_compare : nb_trace does not match."); |
1032 | |
1033 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
1034 | |
1035 | nb_tracefile = pos1->t_pos[iter_trace].nb_tracefile; |
1036 | if(nb_tracefile != pos2->t_pos[iter_trace].nb_tracefile) |
1037 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
1038 | |
1039 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
1040 | if(ret = |
1041 | ltt_event_position_compare( |
1042 | pos1->t_pos[iter_trace].tf_pos[iter_tracefile], |
1043 | pos2->t_pos[iter_trace].tf_pos[iter_tracefile]) |
1044 | != 0) |
1045 | return ret; |
1046 | } |
1047 | } |
1048 | return 0; |
1049 | } |
1050 | |
1051 | |
2d262115 |
1052 | LttTime lttv_traceset_context_position_get_time( |
1053 | const LttvTracesetContextPosition *pos) |
1054 | { |
1055 | return pos->timestamp; |
1056 | } |
1057 | |
1058 | |
1059 | LttvTracefileContext *lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) |
1060 | { |
1061 | GTree *pqueue = self->pqueue; |
b56b5fec |
1062 | LttvTracefileContext *tfc = NULL; |
2d262115 |
1063 | |
1064 | g_tree_foreach(pqueue, get_first, &tfc); |
1065 | |
1066 | return tfc; |
1067 | } |