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; |
8697a616 |
187 | tfc->event = lttv_hooks_new(); |
188 | tfc->event_by_id = lttv_hooks_by_id_new(); |
ffd54a90 |
189 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
dc877563 |
190 | } |
191 | } |
2d262115 |
192 | self->pqueue = g_tree_new(compare_tracefile); |
308711e5 |
193 | lttv_process_traceset_seek_time(self, null_time); |
33f7a12c |
194 | lttv_traceset_context_compute_time_span(self, &self->time_span); |
8697a616 |
195 | |
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, |
b8eccacd |
602 | guint nb_events, |
8697a616 |
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 | |
a54f091a |
615 | gboolean last_ret = FALSE; /* return value of the last hook list called */ |
616 | |
dc877563 |
617 | /* Get the next event from the pqueue, call its hooks, |
618 | reinsert in the pqueue the following event from the same tracefile |
619 | unless the tracefile is finished or the event is later than the |
8697a616 |
620 | end time. */ |
dc877563 |
621 | |
ffd54a90 |
622 | while(TRUE) { |
dc877563 |
623 | tfc = NULL; |
624 | g_tree_foreach(pqueue, get_first, &tfc); |
33f7a12c |
625 | /* End of traceset : tfc is NULL */ |
a43d67ba |
626 | if(tfc == NULL) |
627 | { |
a43d67ba |
628 | return count; |
629 | } |
dc877563 |
630 | |
8697a616 |
631 | /* Have we reached : |
632 | * - the maximum number of events specified? |
633 | * - the end position ? |
634 | * - the end time ? |
635 | * then the read is finished. We leave the queue in the same state and |
636 | * break the loop. |
637 | */ |
638 | |
a54f091a |
639 | if(last_ret == TRUE || |
640 | count >= nb_events || |
4d39be09 |
641 | ((end_position==NULL)?FALSE:(lttv_traceset_context_ctx_pos_compare(self, |
642 | end_position) >= 0))|| |
8697a616 |
643 | ltt_time_compare(tfc->timestamp, end) >= 0) |
a43d67ba |
644 | { |
a43d67ba |
645 | return count; |
646 | } |
2a2fa4f0 |
647 | |
308711e5 |
648 | /* Get the tracefile with an event for the smallest time found. If two |
649 | or more tracefiles have events for the same time, hope that lookup |
650 | and remove are consistent. */ |
270e7cc5 |
651 | |
f95bc830 |
652 | g_tree_remove(pqueue, tfc); |
2a2fa4f0 |
653 | count++; |
dc877563 |
654 | |
8697a616 |
655 | id = ltt_event_eventtype_id(tfc->e); |
a54f091a |
656 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, |
8697a616 |
657 | lttv_hooks_by_id_get(tfc->event_by_id, id), tfc); |
dc877563 |
658 | |
659 | event = ltt_tracefile_read(tfc->tf); |
660 | if(event != NULL) { |
661 | tfc->e = event; |
ffd54a90 |
662 | tfc->timestamp = ltt_event_time(event); |
33f7a12c |
663 | g_tree_insert(pqueue, tfc, tfc); |
dc877563 |
664 | } |
665 | } |
2a2fa4f0 |
666 | } |
667 | |
668 | |
8697a616 |
669 | void lttv_process_traceset_end(LttvTracesetContext *self, |
670 | LttvHooks *after_traceset, |
671 | LttvHooks *after_trace, |
672 | LttvHooks *after_tracefile, |
673 | LttvHooks *event, |
674 | LttvHooksById *event_by_id) |
2a2fa4f0 |
675 | { |
8697a616 |
676 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
677 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ |
678 | lttv_traceset_context_remove_hooks(self, |
679 | after_traceset, |
680 | after_trace, |
681 | after_tracefile, |
682 | event, |
683 | event_by_id); |
684 | } |
2a2fa4f0 |
685 | |
8697a616 |
686 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
687 | { |
688 | guint i, nb_tracefile; |
2a2fa4f0 |
689 | |
690 | LttvTracefileContext *tfc; |
691 | |
8697a616 |
692 | LttEvent *event; |
dc877563 |
693 | |
a5ba1787 |
694 | GTree *pqueue = self->ts_context->pqueue; |
695 | |
8697a616 |
696 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
697 | ltt_trace_per_cpu_tracefile_number(self->t); |
dc877563 |
698 | |
8697a616 |
699 | for(i = 0 ; i < nb_tracefile ; i++) { |
700 | tfc = self->tracefiles[i]; |
701 | ltt_tracefile_seek_time(tfc->tf, start); |
a5ba1787 |
702 | g_tree_remove(pqueue, tfc); |
8697a616 |
703 | event = ltt_tracefile_read(tfc->tf); |
704 | tfc->e = event; |
705 | if(event != NULL) { |
706 | tfc->timestamp = ltt_event_time(event); |
a5ba1787 |
707 | g_tree_insert(pqueue, tfc, tfc); |
8697a616 |
708 | } |
709 | } |
710 | } |
dc877563 |
711 | |
2a2fa4f0 |
712 | |
8697a616 |
713 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
714 | { |
715 | guint i, nb_trace; |
2a2fa4f0 |
716 | |
8697a616 |
717 | LttvTraceContext *tc; |
2a2fa4f0 |
718 | |
8697a616 |
719 | LttvTracefileContext *tfc; |
dc877563 |
720 | |
8697a616 |
721 | nb_trace = lttv_traceset_number(self->ts); |
722 | for(i = 0 ; i < nb_trace ; i++) { |
723 | tc = self->traces[i]; |
724 | lttv_process_trace_seek_time(tc, start); |
725 | } |
dc877563 |
726 | } |
b445142a |
727 | |
308711e5 |
728 | |
a5ba1787 |
729 | gboolean lttv_process_tracefile_seek_position(LttvTracefileContext *self, |
730 | const LttEventPosition *pos) |
731 | { |
732 | LttvTracefileContext *tfc = self; |
733 | |
734 | LttEvent *event; |
735 | |
736 | GTree *pqueue = self->t_context->ts_context->pqueue; |
737 | |
738 | ltt_tracefile_seek_position(tfc->tf, pos); |
739 | g_tree_remove(pqueue, tfc); |
740 | event = ltt_tracefile_read(tfc->tf); |
741 | tfc->e = event; |
742 | if(event != NULL) { |
743 | tfc->timestamp = ltt_event_time(event); |
744 | g_tree_insert(pqueue, tfc, tfc); |
745 | } |
746 | |
747 | |
748 | } |
749 | |
8697a616 |
750 | gboolean lttv_process_trace_seek_position(LttvTraceContext *self, |
751 | const LttvTraceContextPosition *pos) |
308711e5 |
752 | { |
dbb7bb09 |
753 | guint i, nb_tracefile; |
308711e5 |
754 | |
755 | LttvTracefileContext *tfc; |
756 | |
757 | LttEvent *event; |
758 | |
dbb7bb09 |
759 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
760 | ltt_trace_per_cpu_tracefile_number(self->t); |
308711e5 |
761 | |
8697a616 |
762 | if(nb_tracefile != pos->nb_tracefile) |
763 | return FALSE; /* Error */ |
764 | |
dbb7bb09 |
765 | for(i = 0 ; i < nb_tracefile ; i++) { |
766 | tfc = self->tracefiles[i]; |
a5ba1787 |
767 | lttv_process_tracefile_seek_position(tfc, pos->tf_pos[i]); |
308711e5 |
768 | } |
8697a616 |
769 | |
770 | return TRUE; |
308711e5 |
771 | } |
772 | |
773 | |
8697a616 |
774 | |
775 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
776 | const LttvTracesetContextPosition *pos) |
308711e5 |
777 | { |
778 | guint i, nb_trace; |
8697a616 |
779 | gboolean sum_ret = TRUE; |
308711e5 |
780 | |
781 | LttvTraceContext *tc; |
782 | |
8697a616 |
783 | LttvTracefileContext *tfc; |
784 | |
308711e5 |
785 | nb_trace = lttv_traceset_number(self->ts); |
8697a616 |
786 | |
787 | if(nb_trace != pos->nb_trace) |
788 | return FALSE; /* Error */ |
789 | |
308711e5 |
790 | for(i = 0 ; i < nb_trace ; i++) { |
791 | tc = self->traces[i]; |
8697a616 |
792 | sum_ret = sum_ret && lttv_process_trace_seek_position(tc, &pos->t_pos[i]); |
308711e5 |
793 | } |
8697a616 |
794 | |
795 | return sum_ret; |
308711e5 |
796 | } |
797 | |
798 | |
8697a616 |
799 | |
b445142a |
800 | static LttField * |
801 | find_field(LttEventType *et, const char *field) |
802 | { |
803 | LttType *t; |
804 | |
805 | LttField *f; |
806 | |
807 | guint i, nb; |
808 | |
809 | char *name; |
810 | |
811 | if(field == NULL) return NULL; |
812 | |
813 | f = ltt_eventtype_field(et); |
814 | t = ltt_eventtype_type(et); |
815 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
816 | nb = ltt_type_member_number(t); |
817 | for(i = 0 ; i < nb ; i++) { |
818 | ltt_type_member_type(t, i, &name); |
819 | if(strcmp(name, field) == 0) break; |
820 | } |
821 | g_assert(i < nb); |
822 | return ltt_field_member(f, i); |
823 | } |
824 | |
825 | |
826 | void |
827 | lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type, |
828 | char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th) |
829 | { |
830 | LttFacility *f; |
831 | |
832 | LttEventType *et; |
833 | |
834 | guint nb, pos, i; |
835 | |
836 | char *name; |
837 | |
838 | nb = ltt_trace_facility_find(t, facility, &pos); |
839 | if(nb < 1) g_error("No %s facility", facility); |
840 | f = ltt_trace_facility_get(t, pos); |
841 | et = ltt_facility_eventtype_get_by_name(f, event_type); |
842 | if(et == NULL) g_error("Event %s does not exist", event_type); |
843 | |
844 | th->h = h; |
845 | th->id = ltt_eventtype_id(et); |
846 | th->f1 = find_field(et, field1); |
847 | th->f2 = find_field(et, field2); |
848 | th->f3 = find_field(et, field3); |
849 | } |
850 | |
851 | |
5e2c04a2 |
852 | LttvTracesetContextPosition *ltt_traceset_context_position_new() |
853 | { |
854 | return g_new(LttvTracesetContextPosition,1); |
855 | } |
856 | |
857 | |
8697a616 |
858 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
859 | LttvTracesetContextPosition *pos) |
860 | { |
861 | guint nb_trace, nb_tracefile; |
862 | guint iter_trace, iter_tracefile; |
863 | |
864 | LttvTraceContext *tc; |
865 | |
866 | LttvTracefileContext *tfc; |
867 | |
868 | LttEvent *event; |
869 | |
2d262115 |
870 | LttTime timestamp = self->time_span.end_time; |
871 | |
8697a616 |
872 | pos->nb_trace = nb_trace = lttv_traceset_number(self->ts); |
873 | pos->t_pos = g_new(LttvTraceContextPosition, nb_trace); |
874 | |
875 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
876 | tc = self->traces[iter_trace]; |
877 | pos->t_pos[iter_trace].nb_tracefile = nb_tracefile = |
878 | ltt_trace_control_tracefile_number(tc->t) + |
879 | ltt_trace_per_cpu_tracefile_number(tc->t); |
880 | |
881 | pos->t_pos[iter_trace].tf_pos = g_new(LttEventPosition*, nb_tracefile); |
882 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
8697a616 |
883 | tfc = tc->tracefiles[iter_tracefile]; |
884 | event = tfc->e; |
4d39be09 |
885 | if(event!=NULL) { |
886 | pos->t_pos[iter_trace].tf_pos[iter_tracefile] |
887 | = ltt_event_position_new(); |
888 | ltt_event_position(event, |
889 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
890 | } else { |
891 | pos->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL; |
892 | } |
2d262115 |
893 | if(ltt_time_compare(tfc->timestamp, timestamp) < 0) |
894 | timestamp = tfc->timestamp; |
8697a616 |
895 | } |
896 | } |
2d262115 |
897 | pos->timestamp = timestamp; |
8697a616 |
898 | } |
899 | |
900 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) |
901 | { |
902 | guint nb_trace, nb_tracefile; |
903 | guint iter_trace, iter_tracefile; |
904 | |
905 | nb_trace = pos->nb_trace; |
906 | |
907 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
908 | for(iter_tracefile = 0; iter_tracefile < |
909 | pos->t_pos[iter_trace].nb_tracefile; |
910 | iter_tracefile++) { |
4d39be09 |
911 | if(pos->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL) |
912 | g_free(pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
8697a616 |
913 | } |
914 | g_free(pos->t_pos[iter_trace].tf_pos); |
915 | } |
916 | g_free(pos->t_pos); |
917 | |
918 | } |
919 | |
5e2c04a2 |
920 | void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest, |
921 | const LttvTracesetContextPosition *src) |
922 | { |
923 | guint nb_trace, nb_tracefile; |
924 | guint iter_trace, iter_tracefile; |
925 | |
926 | nb_trace = dest->nb_trace = src->nb_trace; |
927 | dest->t_pos = g_new(LttvTraceContextPosition, nb_trace); |
928 | |
929 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
930 | |
931 | nb_tracefile = dest->t_pos[iter_trace].nb_tracefile = |
932 | src->t_pos[iter_trace].nb_tracefile; |
933 | |
934 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
935 | dest->t_pos[iter_trace].tf_pos[iter_tracefile] = |
936 | ltt_event_position_new(); |
4d39be09 |
937 | if(src->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL) |
938 | ltt_event_position_copy( |
5e2c04a2 |
939 | dest->t_pos[iter_trace].tf_pos[iter_tracefile], |
940 | src->t_pos[iter_trace].tf_pos[iter_tracefile]); |
4d39be09 |
941 | else |
942 | dest->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL; |
5e2c04a2 |
943 | } |
944 | } |
945 | |
946 | dest->timestamp = src->timestamp; |
947 | } |
948 | |
8697a616 |
949 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
950 | const LttvTracesetContextPosition *pos) |
951 | { |
952 | guint nb_trace, nb_tracefile; |
953 | guint iter_trace, iter_tracefile; |
954 | gint ret; |
955 | |
956 | LttvTraceContext *tc; |
957 | |
958 | LttvTracefileContext *tfc; |
959 | |
960 | LttEvent *event; |
961 | |
962 | nb_trace = lttv_traceset_number(self->ts); |
963 | |
964 | if(pos->nb_trace != nb_trace) |
965 | g_error("lttv_traceset_context_ctx_pos_compare : nb_trace does not match."); |
966 | |
967 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
968 | tc = self->traces[iter_trace]; |
969 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
970 | ltt_trace_per_cpu_tracefile_number(tc->t); |
971 | |
972 | if(pos->t_pos[iter_trace].nb_tracefile != nb_tracefile) |
973 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
974 | |
975 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
976 | tfc = tc->tracefiles[iter_tracefile]; |
977 | event = tfc->e; |
978 | if( |
979 | ret = |
980 | ltt_event_event_position_compare(event, |
981 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]) |
982 | != 0) |
983 | return ret; |
984 | } |
985 | } |
986 | return 0; |
987 | } |
988 | |
989 | |
990 | gint lttv_traceset_context_pos_pos_compare( |
991 | const LttvTracesetContextPosition *pos1, |
992 | const LttvTracesetContextPosition *pos2) |
993 | { |
994 | guint nb_trace, nb_tracefile; |
995 | guint iter_trace, iter_tracefile; |
996 | |
997 | gint ret; |
998 | |
999 | nb_trace = pos1->nb_trace; |
1000 | if(nb_trace != pos2->nb_trace) |
1001 | g_error("lttv_traceset_context_pos_pos_compare : nb_trace does not match."); |
1002 | |
1003 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
1004 | |
1005 | nb_tracefile = pos1->t_pos[iter_trace].nb_tracefile; |
1006 | if(nb_tracefile != pos2->t_pos[iter_trace].nb_tracefile) |
1007 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
1008 | |
1009 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
1010 | if(ret = |
1011 | ltt_event_position_compare( |
1012 | pos1->t_pos[iter_trace].tf_pos[iter_tracefile], |
1013 | pos2->t_pos[iter_trace].tf_pos[iter_tracefile]) |
1014 | != 0) |
1015 | return ret; |
1016 | } |
1017 | } |
1018 | return 0; |
1019 | } |
1020 | |
1021 | |
2d262115 |
1022 | LttTime lttv_traceset_context_position_get_time( |
1023 | const LttvTracesetContextPosition *pos) |
1024 | { |
1025 | return pos->timestamp; |
1026 | } |
1027 | |
1028 | |
1029 | LttvTracefileContext *lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) |
1030 | { |
1031 | GTree *pqueue = self->pqueue; |
1032 | LttvTracefileContext *tfc; |
1033 | |
1034 | g_tree_foreach(pqueue, get_first, &tfc); |
1035 | |
1036 | return tfc; |
1037 | } |