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 | |
00e74b69 |
19 | #include <string.h> |
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 | |
00e74b69 |
33 | const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a; |
8697a616 |
34 | |
00e74b69 |
35 | const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b; |
8697a616 |
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; |
00e74b69 |
44 | |
8697a616 |
45 | g_assert(FALSE); |
00e74b69 |
46 | return 0; /* This should never happen */ |
8697a616 |
47 | } |
48 | |
49 | struct _LttvTraceContextPosition { |
2d262115 |
50 | LttEventPosition **tf_pos; /* Position in each tracefile */ |
8697a616 |
51 | guint nb_tracefile; /* Number of tracefiles (check) */ |
52 | }; |
53 | |
54 | struct _LttvTracesetContextPosition { |
2d262115 |
55 | LttvTraceContextPosition *t_pos; /* Position in each trace */ |
8697a616 |
56 | guint nb_trace; /* Number of traces (check) */ |
2d262115 |
57 | LttTime timestamp; /* Current time at the saved position */ |
8697a616 |
58 | }; |
59 | |
ffd54a90 |
60 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 |
61 | { |
ffd54a90 |
62 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 |
63 | } |
64 | |
65 | |
66 | void lttv_context_fini(LttvTracesetContext *self) |
67 | { |
68 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
69 | } |
70 | |
71 | |
72 | LttvTracesetContext * |
73 | lttv_context_new_traceset_context(LttvTracesetContext *self) |
74 | { |
75 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
76 | } |
77 | |
78 | |
79 | |
80 | |
81 | LttvTraceContext * |
82 | lttv_context_new_trace_context(LttvTracesetContext *self) |
83 | { |
84 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
85 | } |
86 | |
87 | |
88 | LttvTracefileContext * |
89 | lttv_context_new_tracefile_context(LttvTracesetContext *self) |
90 | { |
c6bc9cb9 |
91 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 |
92 | } |
93 | |
f7afe191 |
94 | /**************************************************************************** |
95 | * lttv_traceset_context_compute_time_span |
96 | * |
8697a616 |
97 | * Keep the time span is sync with on the fly addition and removal of traces |
f7afe191 |
98 | * in a trace set. It must be called each time a trace is added/removed from |
99 | * the traceset. It could be more efficient to call it only once a bunch |
100 | * of traces are loaded, but the calculation is not long, so it's not |
101 | * critical. |
102 | * |
103 | * Author : Xang Xiu Yang |
f7afe191 |
104 | ***************************************************************************/ |
105 | static void lttv_traceset_context_compute_time_span( |
106 | LttvTracesetContext *self, |
33f7a12c |
107 | TimeInterval *time_span) |
f7afe191 |
108 | { |
109 | LttvTraceset * traceset = self->ts; |
110 | int numTraces = lttv_traceset_number(traceset); |
111 | int i; |
112 | LttTime s, e; |
113 | LttvTraceContext *tc; |
114 | LttTrace * trace; |
115 | |
33f7a12c |
116 | time_span->start_time.tv_sec = 0; |
117 | time_span->start_time.tv_nsec = 0; |
118 | time_span->end_time.tv_sec = 0; |
119 | time_span->end_time.tv_nsec = 0; |
912be9a5 |
120 | |
f7afe191 |
121 | for(i=0; i<numTraces;i++){ |
122 | tc = self->traces[i]; |
123 | trace = tc->t; |
124 | |
125 | ltt_trace_time_span_get(trace, &s, &e); |
126 | |
127 | if(i==0){ |
33f7a12c |
128 | time_span->start_time = s; |
129 | time_span->end_time = e; |
f7afe191 |
130 | }else{ |
33f7a12c |
131 | if(s.tv_sec < time_span->start_time.tv_sec |
132 | || (s.tv_sec == time_span->start_time.tv_sec |
133 | && s.tv_nsec < time_span->start_time.tv_nsec)) |
134 | time_span->start_time = s; |
135 | if(e.tv_sec > time_span->end_time.tv_sec |
136 | || (e.tv_sec == time_span->end_time.tv_sec |
137 | && e.tv_nsec > time_span->end_time.tv_nsec)) |
138 | time_span->end_time = e; |
f7afe191 |
139 | } |
140 | } |
141 | } |
142 | |
dc877563 |
143 | |
144 | static void |
145 | init(LttvTracesetContext *self, LttvTraceset *ts) |
146 | { |
147 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
148 | |
149 | LttvTraceContext *tc; |
150 | |
151 | LttvTracefileContext *tfc; |
152 | |
308711e5 |
153 | LttTime null_time = {0, 0}; |
154 | |
dc877563 |
155 | nb_trace = lttv_traceset_number(ts); |
156 | self->ts = ts; |
ffd54a90 |
157 | self->traces = g_new(LttvTraceContext *, nb_trace); |
ffd54a90 |
158 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
159 | self->ts_a = lttv_traceset_attribute(ts); |
dc877563 |
160 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
161 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 |
162 | self->traces[i] = tc; |
163 | |
164 | tc->ts_context = self; |
165 | tc->index = i; |
308711e5 |
166 | tc->vt = lttv_traceset_get(ts, i); |
167 | tc->t = lttv_trace(tc->vt); |
ffd54a90 |
168 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
169 | tc->t_a = lttv_trace_attribute(tc->vt); |
dc877563 |
170 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
171 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
172 | nb_tracefile = nb_control + nb_per_cpu; |
dbb7bb09 |
173 | tc->tracefiles = g_new(LttvTracefileContext *, nb_tracefile); |
dc877563 |
174 | |
175 | for(j = 0 ; j < nb_tracefile ; j++) { |
ffd54a90 |
176 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dbb7bb09 |
177 | tc->tracefiles[j] = tfc; |
178 | tfc->index = j; |
179 | |
dc877563 |
180 | if(j < nb_control) { |
dc877563 |
181 | tfc->control = TRUE; |
ffd54a90 |
182 | tfc->tf = ltt_trace_control_tracefile_get(tc->t, j); |
dc877563 |
183 | } |
184 | else { |
dc877563 |
185 | tfc->control = FALSE; |
ffd54a90 |
186 | tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control); |
dc877563 |
187 | } |
188 | tfc->t_context = tc; |
d3e01c7a |
189 | tfc->e = ltt_event_new(); |
8697a616 |
190 | tfc->event = lttv_hooks_new(); |
191 | tfc->event_by_id = lttv_hooks_by_id_new(); |
ffd54a90 |
192 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
dc877563 |
193 | } |
194 | } |
2d262115 |
195 | self->pqueue = g_tree_new(compare_tracefile); |
308711e5 |
196 | lttv_process_traceset_seek_time(self, null_time); |
33f7a12c |
197 | lttv_traceset_context_compute_time_span(self, &self->time_span); |
8697a616 |
198 | |
dc877563 |
199 | } |
200 | |
201 | |
202 | void fini(LttvTracesetContext *self) |
203 | { |
dbb7bb09 |
204 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
205 | |
206 | LttvTraceContext *tc; |
207 | |
208 | LttvTracefileContext *tfc; |
209 | |
ffd54a90 |
210 | LttvTraceset *ts = self->ts; |
dc877563 |
211 | |
f7afe191 |
212 | //FIXME : segfault |
8697a616 |
213 | |
214 | g_tree_destroy(self->pqueue); |
2061e03d |
215 | g_object_unref(self->a); |
dc877563 |
216 | |
217 | nb_trace = lttv_traceset_number(ts); |
218 | |
219 | for(i = 0 ; i < nb_trace ; i++) { |
220 | tc = self->traces[i]; |
221 | |
ffd54a90 |
222 | g_object_unref(tc->a); |
dc877563 |
223 | |
dbb7bb09 |
224 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
225 | ltt_trace_per_cpu_tracefile_number(tc->t); |
dc877563 |
226 | |
227 | for(j = 0 ; j < nb_tracefile ; j++) { |
dbb7bb09 |
228 | tfc = tc->tracefiles[j]; |
d3e01c7a |
229 | ltt_event_destroy(tfc->e); |
8697a616 |
230 | lttv_hooks_destroy(tfc->event); |
231 | lttv_hooks_by_id_destroy(tfc->event_by_id); |
ffd54a90 |
232 | g_object_unref(tfc->a); |
dc877563 |
233 | g_object_unref(tfc); |
234 | } |
dbb7bb09 |
235 | g_free(tc->tracefiles); |
dc877563 |
236 | g_object_unref(tc); |
237 | } |
238 | g_free(self->traces); |
239 | } |
240 | |
241 | |
242 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, |
8697a616 |
243 | LttvHooks *before_traceset, |
dc877563 |
244 | LttvHooks *before_trace, |
ffd54a90 |
245 | LttvHooks *before_tracefile, |
8697a616 |
246 | LttvHooks *event, |
247 | LttvHooksById *event_by_id) |
dc877563 |
248 | { |
249 | LttvTraceset *ts = self->ts; |
250 | |
8697a616 |
251 | guint i, nb_trace; |
dc877563 |
252 | |
253 | LttvTraceContext *tc; |
254 | |
8697a616 |
255 | lttv_hooks_call(before_traceset, self); |
dc877563 |
256 | |
dc877563 |
257 | nb_trace = lttv_traceset_number(ts); |
258 | |
259 | for(i = 0 ; i < nb_trace ; i++) { |
260 | tc = self->traces[i]; |
8697a616 |
261 | lttv_trace_context_add_hooks(tc, |
262 | before_trace, |
263 | before_tracefile, |
264 | event, |
265 | event_by_id); |
dc877563 |
266 | } |
267 | } |
268 | |
269 | |
270 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, |
dc877563 |
271 | LttvHooks *after_traceset, |
dc877563 |
272 | LttvHooks *after_trace, |
ffd54a90 |
273 | LttvHooks *after_tracefile, |
8697a616 |
274 | LttvHooks *event, |
275 | LttvHooksById *event_by_id) |
dc877563 |
276 | { |
8697a616 |
277 | |
dc877563 |
278 | LttvTraceset *ts = self->ts; |
279 | |
8697a616 |
280 | guint i, nb_trace; |
dc877563 |
281 | |
282 | LttvTraceContext *tc; |
283 | |
dc877563 |
284 | nb_trace = lttv_traceset_number(ts); |
285 | |
286 | for(i = 0 ; i < nb_trace ; i++) { |
287 | tc = self->traces[i]; |
8697a616 |
288 | lttv_trace_context_remove_hooks(tc, |
289 | after_trace, |
290 | after_tracefile, |
291 | event, |
292 | event_by_id); |
dc877563 |
293 | } |
8697a616 |
294 | |
295 | lttv_hooks_call(after_traceset, self); |
296 | |
297 | |
dc877563 |
298 | } |
299 | |
8697a616 |
300 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
301 | LttvHooks *before_trace, |
302 | LttvHooks *before_tracefile, |
303 | LttvHooks *event, |
304 | LttvHooksById *event_by_id) |
a8c0f09d |
305 | { |
8697a616 |
306 | guint i, nb_tracefile; |
307 | |
308 | LttvTracefileContext *tfc; |
309 | |
310 | lttv_hooks_call(before_trace, self); |
311 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
312 | ltt_trace_per_cpu_tracefile_number(self->t); |
313 | |
314 | for(i = 0 ; i < nb_tracefile ; i++) { |
315 | tfc = self->tracefiles[i]; |
316 | lttv_tracefile_context_add_hooks(tfc, |
317 | before_tracefile, |
318 | event, |
319 | event_by_id); |
320 | } |
a8c0f09d |
321 | } |
322 | |
8697a616 |
323 | |
324 | |
325 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, |
326 | LttvHooks *after_trace, |
327 | LttvHooks *after_tracefile, |
328 | LttvHooks *event, |
329 | LttvHooksById *event_by_id) |
a8c0f09d |
330 | { |
8697a616 |
331 | guint i, nb_tracefile; |
332 | |
333 | LttvTracefileContext *tfc; |
334 | |
335 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
336 | ltt_trace_per_cpu_tracefile_number(self->t); |
337 | |
338 | for(i = 0 ; i < nb_tracefile ; i++) { |
339 | tfc = self->tracefiles[i]; |
340 | lttv_tracefile_context_remove_hooks(tfc, |
341 | after_tracefile, |
342 | event, |
343 | event_by_id); |
344 | } |
345 | |
346 | lttv_hooks_call(after_trace, self); |
a8c0f09d |
347 | } |
348 | |
8697a616 |
349 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
350 | LttvHooks *before_tracefile, |
351 | LttvHooks *event, |
352 | LttvHooksById *event_by_id) |
a8c0f09d |
353 | { |
8697a616 |
354 | guint i; |
355 | |
356 | LttvHooks *hook; |
357 | |
358 | lttv_hooks_call(before_tracefile, self); |
359 | lttv_hooks_add_list(self->event, event); |
360 | if(event_by_id != NULL) |
361 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
362 | hook = lttv_hooks_by_id_get(self->event_by_id, i); |
363 | if(hook != NULL) |
364 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
365 | } |
366 | |
a8c0f09d |
367 | } |
368 | |
8697a616 |
369 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
370 | LttvHooks *after_tracefile, |
371 | LttvHooks *event, |
372 | LttvHooksById *event_by_id) |
a8c0f09d |
373 | { |
8697a616 |
374 | guint i; |
375 | |
376 | LttvHooks *hook; |
377 | |
378 | |
379 | lttv_hooks_remove_list(self->event, event); |
380 | if(event_by_id != NULL) |
381 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
382 | hook = lttv_hooks_by_id_find(self->event_by_id, i); |
383 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
384 | } |
385 | |
386 | lttv_hooks_call(after_tracefile, self); |
a8c0f09d |
387 | } |
388 | |
8697a616 |
389 | |
390 | |
a8c0f09d |
391 | void lttv_tracefile_context_add_hooks_by_id(LttvTracefileContext *tfc, |
392 | unsigned i, |
8697a616 |
393 | LttvHooks *event_by_id) |
a8c0f09d |
394 | { |
395 | LttvHooks * h; |
8697a616 |
396 | h = lttv_hooks_by_id_find(tfc->event_by_id, i); |
397 | lttv_hooks_add_list(h, event_by_id); |
a8c0f09d |
398 | } |
399 | |
400 | void lttv_tracefile_context_remove_hooks_by_id(LttvTracefileContext *tfc, |
401 | unsigned i) |
402 | { |
8697a616 |
403 | lttv_hooks_by_id_remove(tfc->event_by_id, i); |
a8c0f09d |
404 | } |
dc877563 |
405 | |
ba576a78 |
406 | static LttvTracesetContext * |
dc877563 |
407 | new_traceset_context(LttvTracesetContext *self) |
408 | { |
ffd54a90 |
409 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 |
410 | } |
411 | |
412 | |
ba576a78 |
413 | static LttvTraceContext * |
dc877563 |
414 | new_trace_context(LttvTracesetContext *self) |
415 | { |
ffd54a90 |
416 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 |
417 | } |
418 | |
419 | |
ba576a78 |
420 | static LttvTracefileContext * |
dc877563 |
421 | new_tracefile_context(LttvTracesetContext *self) |
422 | { |
ffd54a90 |
423 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 |
424 | } |
425 | |
426 | |
427 | static void |
428 | traceset_context_instance_init (GTypeInstance *instance, gpointer g_class) |
429 | { |
430 | /* Be careful of anything which would not work well with shallow copies */ |
431 | } |
432 | |
433 | |
434 | static void |
435 | traceset_context_finalize (LttvTracesetContext *self) |
436 | { |
b445142a |
437 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
438 | ->finalize(G_OBJECT(self)); |
dc877563 |
439 | } |
440 | |
441 | |
442 | static void |
443 | traceset_context_class_init (LttvTracesetContextClass *klass) |
444 | { |
445 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
446 | |
ffd54a90 |
447 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; |
dc877563 |
448 | klass->init = init; |
449 | klass->fini = fini; |
450 | klass->new_traceset_context = new_traceset_context; |
451 | klass->new_trace_context = new_trace_context; |
452 | klass->new_tracefile_context = new_tracefile_context; |
453 | } |
454 | |
455 | |
456 | GType |
ffd54a90 |
457 | lttv_traceset_context_get_type(void) |
dc877563 |
458 | { |
459 | static GType type = 0; |
460 | if (type == 0) { |
461 | static const GTypeInfo info = { |
ffd54a90 |
462 | sizeof (LttvTracesetContextClass), |
dc877563 |
463 | NULL, /* base_init */ |
464 | NULL, /* base_finalize */ |
ffd54a90 |
465 | (GClassInitFunc) traceset_context_class_init, /* class_init */ |
dc877563 |
466 | NULL, /* class_finalize */ |
467 | NULL, /* class_data */ |
ffd54a90 |
468 | sizeof (LttvTracesetContext), |
dc877563 |
469 | 0, /* n_preallocs */ |
00e74b69 |
470 | (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */ |
471 | NULL /* Value handling */ |
dc877563 |
472 | }; |
473 | |
ffd54a90 |
474 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", |
dc877563 |
475 | &info, 0); |
476 | } |
477 | return type; |
478 | } |
479 | |
480 | |
481 | static void |
482 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) |
483 | { |
484 | /* Be careful of anything which would not work well with shallow copies */ |
485 | } |
486 | |
487 | |
488 | static void |
489 | trace_context_finalize (LttvTraceContext *self) |
490 | { |
b445142a |
491 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
492 | finalize(G_OBJECT(self)); |
dc877563 |
493 | } |
494 | |
495 | |
496 | static void |
497 | trace_context_class_init (LttvTraceContextClass *klass) |
498 | { |
499 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
500 | |
ffd54a90 |
501 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 |
502 | } |
503 | |
504 | |
505 | GType |
ffd54a90 |
506 | lttv_trace_context_get_type(void) |
dc877563 |
507 | { |
508 | static GType type = 0; |
509 | if (type == 0) { |
510 | static const GTypeInfo info = { |
ffd54a90 |
511 | sizeof (LttvTraceContextClass), |
dc877563 |
512 | NULL, /* base_init */ |
513 | NULL, /* base_finalize */ |
ffd54a90 |
514 | (GClassInitFunc) trace_context_class_init, /* class_init */ |
dc877563 |
515 | NULL, /* class_finalize */ |
516 | NULL, /* class_data */ |
c6bc9cb9 |
517 | sizeof (LttvTraceContext), |
dc877563 |
518 | 0, /* n_preallocs */ |
00e74b69 |
519 | (GInstanceInitFunc) trace_context_instance_init, /* instance_init */ |
520 | NULL /* Value handling */ |
dc877563 |
521 | }; |
522 | |
ffd54a90 |
523 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", |
dc877563 |
524 | &info, 0); |
525 | } |
526 | return type; |
527 | } |
528 | |
529 | |
530 | static void |
531 | tracefile_context_instance_init (GTypeInstance *instance, gpointer g_class) |
532 | { |
533 | /* Be careful of anything which would not work well with shallow copies */ |
534 | } |
535 | |
536 | |
537 | static void |
538 | tracefile_context_finalize (LttvTracefileContext *self) |
539 | { |
b445142a |
540 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
541 | ->finalize(G_OBJECT(self)); |
dc877563 |
542 | } |
543 | |
544 | |
545 | static void |
546 | tracefile_context_class_init (LttvTracefileContextClass *klass) |
547 | { |
548 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
549 | |
ffd54a90 |
550 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
551 | } |
552 | |
553 | |
554 | GType |
555 | lttv_tracefile_context_get_type(void) |
556 | { |
557 | static GType type = 0; |
558 | if (type == 0) { |
559 | static const GTypeInfo info = { |
560 | sizeof (LttvTracefileContextClass), |
561 | NULL, /* base_init */ |
562 | NULL, /* base_finalize */ |
563 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ |
564 | NULL, /* class_finalize */ |
565 | NULL, /* class_data */ |
566 | sizeof (LttvTracefileContext), |
567 | 0, /* n_preallocs */ |
00e74b69 |
568 | (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */ |
569 | NULL /* Value handling */ |
ffd54a90 |
570 | }; |
571 | |
572 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", |
573 | &info, 0); |
574 | } |
575 | return type; |
dc877563 |
576 | } |
577 | |
578 | |
dc877563 |
579 | |
580 | gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
581 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; |
582 | return TRUE; |
583 | } |
584 | |
585 | |
8b0bbe19 |
586 | /* Put all the tracefiles at the tracefile context position */ |
587 | void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *self) |
588 | { |
589 | guint iter_trace, nb_trace; |
590 | |
591 | LttvTraceContext *tc; |
592 | |
593 | nb_trace = lttv_traceset_number(self->ts); |
594 | |
595 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
596 | tc = self->traces[iter_trace]; |
597 | { |
598 | /* each trace */ |
599 | guint iter_tf, nb_tracefile; |
600 | |
601 | LttvTracefileContext *tfc; |
602 | |
603 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
604 | ltt_trace_per_cpu_tracefile_number(tc->t); |
605 | |
606 | for(iter_tf = 0 ; iter_tf < nb_tracefile ; iter_tf++) { |
607 | tfc = tc->tracefiles[iter_tf]; |
608 | { |
609 | /* each tracefile */ |
610 | //ltt_tracefile_copy(tfc->tf_sync_data, tfc->tf); |
611 | LttEventPosition *ep = ltt_event_position_new(); |
612 | |
613 | ltt_event_position(tfc->e, ep); |
614 | |
615 | ltt_tracefile_seek_position(tfc->tf, ep); |
616 | g_free(ep); |
617 | } |
618 | } |
619 | } |
620 | } |
621 | } |
622 | |
623 | |
dc877563 |
624 | |
8697a616 |
625 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
626 | LttvHooks *before_traceset, |
627 | LttvHooks *before_trace, |
628 | LttvHooks *before_tracefile, |
629 | LttvHooks *event, |
630 | LttvHooksById *event_by_id) |
631 | { |
dc877563 |
632 | |
8697a616 |
633 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
634 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ |
635 | lttv_traceset_context_add_hooks(self, |
636 | before_traceset, |
637 | before_trace, |
638 | before_tracefile, |
639 | event, |
640 | event_by_id); |
641 | |
2a2fa4f0 |
642 | } |
643 | |
8697a616 |
644 | /* Note : a _middle must be preceded from a _seek or another middle */ |
645 | guint lttv_process_traceset_middle(LttvTracesetContext *self, |
646 | LttTime end, |
b8eccacd |
647 | guint nb_events, |
8697a616 |
648 | const LttvTracesetContextPosition *end_position) |
2a2fa4f0 |
649 | { |
650 | GTree *pqueue = self->pqueue; |
651 | |
652 | guint id; |
653 | |
2a2fa4f0 |
654 | LttvTracefileContext *tfc; |
655 | |
2a2fa4f0 |
656 | unsigned count = 0; |
657 | |
a54f091a |
658 | gboolean last_ret = FALSE; /* return value of the last hook list called */ |
659 | |
dc877563 |
660 | /* Get the next event from the pqueue, call its hooks, |
661 | reinsert in the pqueue the following event from the same tracefile |
662 | unless the tracefile is finished or the event is later than the |
8697a616 |
663 | end time. */ |
dc877563 |
664 | |
ffd54a90 |
665 | while(TRUE) { |
dc877563 |
666 | tfc = NULL; |
667 | g_tree_foreach(pqueue, get_first, &tfc); |
33f7a12c |
668 | /* End of traceset : tfc is NULL */ |
a43d67ba |
669 | if(tfc == NULL) |
670 | { |
a43d67ba |
671 | return count; |
672 | } |
dc877563 |
673 | |
8697a616 |
674 | /* Have we reached : |
675 | * - the maximum number of events specified? |
676 | * - the end position ? |
677 | * - the end time ? |
678 | * then the read is finished. We leave the queue in the same state and |
679 | * break the loop. |
680 | */ |
681 | |
a54f091a |
682 | if(last_ret == TRUE || |
683 | count >= nb_events || |
8b0bbe19 |
684 | (end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self, |
685 | end_position) == 0)|| |
8697a616 |
686 | ltt_time_compare(tfc->timestamp, end) >= 0) |
a43d67ba |
687 | { |
a43d67ba |
688 | return count; |
689 | } |
2a2fa4f0 |
690 | |
308711e5 |
691 | /* Get the tracefile with an event for the smallest time found. If two |
692 | or more tracefiles have events for the same time, hope that lookup |
693 | and remove are consistent. */ |
270e7cc5 |
694 | |
f95bc830 |
695 | g_tree_remove(pqueue, tfc); |
2a2fa4f0 |
696 | count++; |
dc877563 |
697 | |
8697a616 |
698 | id = ltt_event_eventtype_id(tfc->e); |
a54f091a |
699 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, |
8697a616 |
700 | lttv_hooks_by_id_get(tfc->event_by_id, id), tfc); |
dc877563 |
701 | |
d3e01c7a |
702 | if(ltt_tracefile_read(tfc->tf, tfc->e) != NULL) { |
703 | tfc->timestamp = ltt_event_time(tfc->e); |
33f7a12c |
704 | g_tree_insert(pqueue, tfc, tfc); |
dc877563 |
705 | } |
706 | } |
2a2fa4f0 |
707 | } |
708 | |
709 | |
8697a616 |
710 | void lttv_process_traceset_end(LttvTracesetContext *self, |
711 | LttvHooks *after_traceset, |
712 | LttvHooks *after_trace, |
713 | LttvHooks *after_tracefile, |
714 | LttvHooks *event, |
715 | LttvHooksById *event_by_id) |
2a2fa4f0 |
716 | { |
8697a616 |
717 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
718 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ |
719 | lttv_traceset_context_remove_hooks(self, |
720 | after_traceset, |
721 | after_trace, |
722 | after_tracefile, |
723 | event, |
724 | event_by_id); |
725 | } |
2a2fa4f0 |
726 | |
8697a616 |
727 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
728 | { |
729 | guint i, nb_tracefile; |
2a2fa4f0 |
730 | |
731 | LttvTracefileContext *tfc; |
732 | |
a5ba1787 |
733 | GTree *pqueue = self->ts_context->pqueue; |
734 | |
8697a616 |
735 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
736 | ltt_trace_per_cpu_tracefile_number(self->t); |
dc877563 |
737 | |
8697a616 |
738 | for(i = 0 ; i < nb_tracefile ; i++) { |
739 | tfc = self->tracefiles[i]; |
740 | ltt_tracefile_seek_time(tfc->tf, start); |
a5ba1787 |
741 | g_tree_remove(pqueue, tfc); |
d3e01c7a |
742 | if(ltt_tracefile_read(tfc->tf, tfc->e) != NULL) { |
743 | tfc->timestamp = ltt_event_time(tfc->e); |
a5ba1787 |
744 | g_tree_insert(pqueue, tfc, tfc); |
8697a616 |
745 | } |
746 | } |
747 | } |
dc877563 |
748 | |
2a2fa4f0 |
749 | |
8697a616 |
750 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
751 | { |
752 | guint i, nb_trace; |
2a2fa4f0 |
753 | |
8697a616 |
754 | LttvTraceContext *tc; |
2a2fa4f0 |
755 | |
8697a616 |
756 | nb_trace = lttv_traceset_number(self->ts); |
757 | for(i = 0 ; i < nb_trace ; i++) { |
758 | tc = self->traces[i]; |
759 | lttv_process_trace_seek_time(tc, start); |
760 | } |
dc877563 |
761 | } |
b445142a |
762 | |
308711e5 |
763 | |
a5ba1787 |
764 | gboolean lttv_process_tracefile_seek_position(LttvTracefileContext *self, |
765 | const LttEventPosition *pos) |
766 | { |
767 | LttvTracefileContext *tfc = self; |
768 | |
a5ba1787 |
769 | GTree *pqueue = self->t_context->ts_context->pqueue; |
770 | |
771 | ltt_tracefile_seek_position(tfc->tf, pos); |
772 | g_tree_remove(pqueue, tfc); |
d3e01c7a |
773 | if(ltt_tracefile_read(tfc->tf, tfc->e) != NULL) { |
774 | tfc->timestamp = ltt_event_time(tfc->e); |
a5ba1787 |
775 | g_tree_insert(pqueue, tfc, tfc); |
776 | } |
777 | |
00e74b69 |
778 | return TRUE; |
a5ba1787 |
779 | } |
780 | |
8697a616 |
781 | gboolean lttv_process_trace_seek_position(LttvTraceContext *self, |
782 | const LttvTraceContextPosition *pos) |
308711e5 |
783 | { |
dbb7bb09 |
784 | guint i, nb_tracefile; |
308711e5 |
785 | |
786 | LttvTracefileContext *tfc; |
787 | |
dbb7bb09 |
788 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
789 | ltt_trace_per_cpu_tracefile_number(self->t); |
308711e5 |
790 | |
8697a616 |
791 | if(nb_tracefile != pos->nb_tracefile) |
792 | return FALSE; /* Error */ |
793 | |
dbb7bb09 |
794 | for(i = 0 ; i < nb_tracefile ; i++) { |
795 | tfc = self->tracefiles[i]; |
a5ba1787 |
796 | lttv_process_tracefile_seek_position(tfc, pos->tf_pos[i]); |
308711e5 |
797 | } |
8697a616 |
798 | |
799 | return TRUE; |
308711e5 |
800 | } |
801 | |
802 | |
8697a616 |
803 | |
804 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
805 | const LttvTracesetContextPosition *pos) |
308711e5 |
806 | { |
807 | guint i, nb_trace; |
8697a616 |
808 | gboolean sum_ret = TRUE; |
308711e5 |
809 | |
810 | LttvTraceContext *tc; |
811 | |
812 | nb_trace = lttv_traceset_number(self->ts); |
8697a616 |
813 | |
814 | if(nb_trace != pos->nb_trace) |
815 | return FALSE; /* Error */ |
816 | |
308711e5 |
817 | for(i = 0 ; i < nb_trace ; i++) { |
818 | tc = self->traces[i]; |
8697a616 |
819 | sum_ret = sum_ret && lttv_process_trace_seek_position(tc, &pos->t_pos[i]); |
308711e5 |
820 | } |
8697a616 |
821 | |
822 | return sum_ret; |
308711e5 |
823 | } |
824 | |
825 | |
8697a616 |
826 | |
b445142a |
827 | static LttField * |
828 | find_field(LttEventType *et, const char *field) |
829 | { |
830 | LttType *t; |
831 | |
832 | LttField *f; |
833 | |
834 | guint i, nb; |
835 | |
836 | char *name; |
837 | |
838 | if(field == NULL) return NULL; |
839 | |
840 | f = ltt_eventtype_field(et); |
841 | t = ltt_eventtype_type(et); |
842 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
843 | nb = ltt_type_member_number(t); |
844 | for(i = 0 ; i < nb ; i++) { |
845 | ltt_type_member_type(t, i, &name); |
846 | if(strcmp(name, field) == 0) break; |
847 | } |
848 | g_assert(i < nb); |
849 | return ltt_field_member(f, i); |
850 | } |
851 | |
852 | |
853 | void |
854 | lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type, |
855 | char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th) |
856 | { |
857 | LttFacility *f; |
858 | |
859 | LttEventType *et; |
860 | |
00e74b69 |
861 | guint nb, pos; |
b445142a |
862 | |
863 | nb = ltt_trace_facility_find(t, facility, &pos); |
864 | if(nb < 1) g_error("No %s facility", facility); |
865 | f = ltt_trace_facility_get(t, pos); |
866 | et = ltt_facility_eventtype_get_by_name(f, event_type); |
867 | if(et == NULL) g_error("Event %s does not exist", event_type); |
868 | |
869 | th->h = h; |
870 | th->id = ltt_eventtype_id(et); |
871 | th->f1 = find_field(et, field1); |
872 | th->f2 = find_field(et, field2); |
873 | th->f3 = find_field(et, field3); |
874 | } |
875 | |
876 | |
8b0bbe19 |
877 | LttvTracesetContextPosition *lttv_traceset_context_position_new() |
5e2c04a2 |
878 | { |
879 | return g_new(LttvTracesetContextPosition,1); |
880 | } |
881 | |
882 | |
8697a616 |
883 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
884 | LttvTracesetContextPosition *pos) |
885 | { |
886 | guint nb_trace, nb_tracefile; |
887 | guint iter_trace, iter_tracefile; |
888 | |
889 | LttvTraceContext *tc; |
890 | |
891 | LttvTracefileContext *tfc; |
892 | |
893 | LttEvent *event; |
894 | |
2d262115 |
895 | LttTime timestamp = self->time_span.end_time; |
896 | |
8697a616 |
897 | pos->nb_trace = nb_trace = lttv_traceset_number(self->ts); |
898 | pos->t_pos = g_new(LttvTraceContextPosition, nb_trace); |
899 | |
900 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
901 | tc = self->traces[iter_trace]; |
902 | pos->t_pos[iter_trace].nb_tracefile = nb_tracefile = |
903 | ltt_trace_control_tracefile_number(tc->t) + |
904 | ltt_trace_per_cpu_tracefile_number(tc->t); |
905 | |
906 | pos->t_pos[iter_trace].tf_pos = g_new(LttEventPosition*, nb_tracefile); |
907 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
8697a616 |
908 | tfc = tc->tracefiles[iter_tracefile]; |
909 | event = tfc->e; |
4d39be09 |
910 | if(event!=NULL) { |
911 | pos->t_pos[iter_trace].tf_pos[iter_tracefile] |
912 | = ltt_event_position_new(); |
913 | ltt_event_position(event, |
914 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
915 | } else { |
916 | pos->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL; |
917 | } |
2d262115 |
918 | if(ltt_time_compare(tfc->timestamp, timestamp) < 0) |
919 | timestamp = tfc->timestamp; |
8697a616 |
920 | } |
921 | } |
2d262115 |
922 | pos->timestamp = timestamp; |
8697a616 |
923 | } |
924 | |
925 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) |
926 | { |
00e74b69 |
927 | guint nb_trace; |
8697a616 |
928 | guint iter_trace, iter_tracefile; |
929 | |
930 | nb_trace = pos->nb_trace; |
931 | |
932 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
933 | for(iter_tracefile = 0; iter_tracefile < |
934 | pos->t_pos[iter_trace].nb_tracefile; |
935 | iter_tracefile++) { |
4d39be09 |
936 | if(pos->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL) |
937 | g_free(pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
8697a616 |
938 | } |
939 | g_free(pos->t_pos[iter_trace].tf_pos); |
940 | } |
941 | g_free(pos->t_pos); |
942 | |
943 | } |
944 | |
5e2c04a2 |
945 | void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest, |
946 | const LttvTracesetContextPosition *src) |
947 | { |
948 | guint nb_trace, nb_tracefile; |
949 | guint iter_trace, iter_tracefile; |
950 | |
951 | nb_trace = dest->nb_trace = src->nb_trace; |
952 | dest->t_pos = g_new(LttvTraceContextPosition, nb_trace); |
953 | |
954 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
955 | |
956 | nb_tracefile = dest->t_pos[iter_trace].nb_tracefile = |
957 | src->t_pos[iter_trace].nb_tracefile; |
958 | |
959 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
960 | dest->t_pos[iter_trace].tf_pos[iter_tracefile] = |
961 | ltt_event_position_new(); |
4d39be09 |
962 | if(src->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL) |
963 | ltt_event_position_copy( |
5e2c04a2 |
964 | dest->t_pos[iter_trace].tf_pos[iter_tracefile], |
965 | src->t_pos[iter_trace].tf_pos[iter_tracefile]); |
4d39be09 |
966 | else |
967 | dest->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL; |
5e2c04a2 |
968 | } |
969 | } |
970 | |
971 | dest->timestamp = src->timestamp; |
972 | } |
973 | |
8697a616 |
974 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
975 | const LttvTracesetContextPosition *pos) |
976 | { |
977 | guint nb_trace, nb_tracefile; |
978 | guint iter_trace, iter_tracefile; |
979 | gint ret; |
980 | |
981 | LttvTraceContext *tc; |
982 | |
983 | LttvTracefileContext *tfc; |
984 | |
985 | LttEvent *event; |
986 | |
987 | nb_trace = lttv_traceset_number(self->ts); |
988 | |
989 | if(pos->nb_trace != nb_trace) |
990 | g_error("lttv_traceset_context_ctx_pos_compare : nb_trace does not match."); |
991 | |
992 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
993 | tc = self->traces[iter_trace]; |
994 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
995 | ltt_trace_per_cpu_tracefile_number(tc->t); |
996 | |
997 | if(pos->t_pos[iter_trace].nb_tracefile != nb_tracefile) |
998 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
999 | |
1000 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
1001 | tfc = tc->tracefiles[iter_tracefile]; |
1002 | event = tfc->e; |
00e74b69 |
1003 | ret = ltt_event_event_position_compare(event, |
1004 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
1005 | if(ret != 0) |
8697a616 |
1006 | return ret; |
1007 | } |
1008 | } |
1009 | return 0; |
1010 | } |
1011 | |
1012 | |
1013 | gint lttv_traceset_context_pos_pos_compare( |
1014 | const LttvTracesetContextPosition *pos1, |
1015 | const LttvTracesetContextPosition *pos2) |
1016 | { |
1017 | guint nb_trace, nb_tracefile; |
1018 | guint iter_trace, iter_tracefile; |
1019 | |
1020 | gint ret; |
1021 | |
1022 | nb_trace = pos1->nb_trace; |
1023 | if(nb_trace != pos2->nb_trace) |
1024 | g_error("lttv_traceset_context_pos_pos_compare : nb_trace does not match."); |
1025 | |
1026 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
1027 | |
1028 | nb_tracefile = pos1->t_pos[iter_trace].nb_tracefile; |
1029 | if(nb_tracefile != pos2->t_pos[iter_trace].nb_tracefile) |
1030 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
1031 | |
1032 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
00e74b69 |
1033 | ret = ltt_event_position_compare( |
8697a616 |
1034 | pos1->t_pos[iter_trace].tf_pos[iter_tracefile], |
00e74b69 |
1035 | pos2->t_pos[iter_trace].tf_pos[iter_tracefile]); |
1036 | if(ret != 0) |
8697a616 |
1037 | return ret; |
1038 | } |
1039 | } |
1040 | return 0; |
1041 | } |
1042 | |
1043 | |
2d262115 |
1044 | LttTime lttv_traceset_context_position_get_time( |
1045 | const LttvTracesetContextPosition *pos) |
1046 | { |
1047 | return pos->timestamp; |
1048 | } |
1049 | |
1050 | |
1051 | LttvTracefileContext *lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) |
1052 | { |
1053 | GTree *pqueue = self->pqueue; |
b56b5fec |
1054 | LttvTracefileContext *tfc = NULL; |
2d262115 |
1055 | |
1056 | g_tree_foreach(pqueue, get_first, &tfc); |
1057 | |
1058 | return tfc; |
1059 | } |