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 | |
4e4d11b3 |
19 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> |
21 | #endif |
22 | |
00e74b69 |
23 | #include <string.h> |
d8f124de |
24 | #include <lttv/tracecontext.h> |
ffd54a90 |
25 | #include <ltt/event.h> |
b445142a |
26 | #include <ltt/facility.h> |
a5dcde2f |
27 | #include <ltt/trace.h> |
28 | #include <ltt/type.h> |
dc877563 |
29 | |
8697a616 |
30 | |
31 | |
32 | |
1d1df11d |
33 | static gint compare_tracefile(gconstpointer a, gconstpointer b) |
8697a616 |
34 | { |
cf94ff67 |
35 | gint comparison = 0; |
8697a616 |
36 | |
00e74b69 |
37 | const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a; |
00e74b69 |
38 | const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b; |
8697a616 |
39 | |
1d1df11d |
40 | if(likely(trace_a != trace_b)) { |
a855f059 |
41 | comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp); |
1d1df11d |
42 | if(unlikely(comparison == 0)) { |
a855f059 |
43 | if(trace_a->index < trace_b->index) comparison = -1; |
44 | else if(trace_a->index > trace_b->index) comparison = 1; |
45 | else if(trace_a->t_context->index < trace_b->t_context->index) |
46 | comparison = -1; |
47 | else if(trace_a->t_context->index > trace_b->t_context->index) |
48 | comparison = 1; |
49 | } |
cf94ff67 |
50 | } |
cf94ff67 |
51 | return comparison; |
8697a616 |
52 | } |
53 | |
54 | struct _LttvTraceContextPosition { |
2d262115 |
55 | LttEventPosition **tf_pos; /* Position in each tracefile */ |
8697a616 |
56 | guint nb_tracefile; /* Number of tracefiles (check) */ |
57 | }; |
58 | |
59 | struct _LttvTracesetContextPosition { |
2d262115 |
60 | LttvTraceContextPosition *t_pos; /* Position in each trace */ |
8697a616 |
61 | guint nb_trace; /* Number of traces (check) */ |
2d262115 |
62 | LttTime timestamp; /* Current time at the saved position */ |
8697a616 |
63 | }; |
64 | |
ffd54a90 |
65 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 |
66 | { |
ffd54a90 |
67 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 |
68 | } |
69 | |
70 | |
71 | void lttv_context_fini(LttvTracesetContext *self) |
72 | { |
73 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
74 | } |
75 | |
76 | |
77 | LttvTracesetContext * |
78 | lttv_context_new_traceset_context(LttvTracesetContext *self) |
79 | { |
80 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
81 | } |
82 | |
83 | |
84 | |
85 | |
86 | LttvTraceContext * |
87 | lttv_context_new_trace_context(LttvTracesetContext *self) |
88 | { |
89 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
90 | } |
91 | |
92 | |
93 | LttvTracefileContext * |
94 | lttv_context_new_tracefile_context(LttvTracesetContext *self) |
95 | { |
c6bc9cb9 |
96 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 |
97 | } |
98 | |
f7afe191 |
99 | /**************************************************************************** |
100 | * lttv_traceset_context_compute_time_span |
101 | * |
8697a616 |
102 | * Keep the time span is sync with on the fly addition and removal of traces |
f7afe191 |
103 | * in a trace set. It must be called each time a trace is added/removed from |
104 | * the traceset. It could be more efficient to call it only once a bunch |
105 | * of traces are loaded, but the calculation is not long, so it's not |
106 | * critical. |
107 | * |
108 | * Author : Xang Xiu Yang |
f7afe191 |
109 | ***************************************************************************/ |
110 | static void lttv_traceset_context_compute_time_span( |
111 | LttvTracesetContext *self, |
33f7a12c |
112 | TimeInterval *time_span) |
f7afe191 |
113 | { |
114 | LttvTraceset * traceset = self->ts; |
115 | int numTraces = lttv_traceset_number(traceset); |
116 | int i; |
117 | LttTime s, e; |
118 | LttvTraceContext *tc; |
119 | LttTrace * trace; |
120 | |
33f7a12c |
121 | time_span->start_time.tv_sec = 0; |
122 | time_span->start_time.tv_nsec = 0; |
123 | time_span->end_time.tv_sec = 0; |
124 | time_span->end_time.tv_nsec = 0; |
912be9a5 |
125 | |
f7afe191 |
126 | for(i=0; i<numTraces;i++){ |
127 | tc = self->traces[i]; |
128 | trace = tc->t; |
129 | |
130 | ltt_trace_time_span_get(trace, &s, &e); |
131 | |
132 | if(i==0){ |
33f7a12c |
133 | time_span->start_time = s; |
134 | time_span->end_time = e; |
f7afe191 |
135 | }else{ |
33f7a12c |
136 | if(s.tv_sec < time_span->start_time.tv_sec |
137 | || (s.tv_sec == time_span->start_time.tv_sec |
138 | && s.tv_nsec < time_span->start_time.tv_nsec)) |
139 | time_span->start_time = s; |
140 | if(e.tv_sec > time_span->end_time.tv_sec |
141 | || (e.tv_sec == time_span->end_time.tv_sec |
142 | && e.tv_nsec > time_span->end_time.tv_nsec)) |
143 | time_span->end_time = e; |
f7afe191 |
144 | } |
145 | } |
146 | } |
147 | |
dc877563 |
148 | |
149 | static void |
150 | init(LttvTracesetContext *self, LttvTraceset *ts) |
151 | { |
152 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
153 | |
154 | LttvTraceContext *tc; |
155 | |
156 | LttvTracefileContext *tfc; |
157 | |
308711e5 |
158 | LttTime null_time = {0, 0}; |
159 | |
dc877563 |
160 | nb_trace = lttv_traceset_number(ts); |
161 | self->ts = ts; |
ffd54a90 |
162 | self->traces = g_new(LttvTraceContext *, nb_trace); |
ffd54a90 |
163 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
164 | self->ts_a = lttv_traceset_attribute(ts); |
dc877563 |
165 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
166 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 |
167 | self->traces[i] = tc; |
168 | |
169 | tc->ts_context = self; |
170 | tc->index = i; |
308711e5 |
171 | tc->vt = lttv_traceset_get(ts, i); |
172 | tc->t = lttv_trace(tc->vt); |
ffd54a90 |
173 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 |
174 | tc->t_a = lttv_trace_attribute(tc->vt); |
dc877563 |
175 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
176 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
177 | nb_tracefile = nb_control + nb_per_cpu; |
dbb7bb09 |
178 | tc->tracefiles = g_new(LttvTracefileContext *, nb_tracefile); |
dc877563 |
179 | |
180 | for(j = 0 ; j < nb_tracefile ; j++) { |
ffd54a90 |
181 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dbb7bb09 |
182 | tc->tracefiles[j] = tfc; |
183 | tfc->index = j; |
184 | |
dc877563 |
185 | if(j < nb_control) { |
dc877563 |
186 | tfc->control = TRUE; |
ffd54a90 |
187 | tfc->tf = ltt_trace_control_tracefile_get(tc->t, j); |
dc877563 |
188 | } |
189 | else { |
dc877563 |
190 | tfc->control = FALSE; |
ffd54a90 |
191 | tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control); |
dc877563 |
192 | } |
193 | tfc->t_context = tc; |
d3e01c7a |
194 | tfc->e = ltt_event_new(); |
8697a616 |
195 | tfc->event = lttv_hooks_new(); |
196 | tfc->event_by_id = lttv_hooks_by_id_new(); |
ffd54a90 |
197 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
dc877563 |
198 | } |
199 | } |
2d262115 |
200 | self->pqueue = g_tree_new(compare_tracefile); |
308711e5 |
201 | lttv_process_traceset_seek_time(self, null_time); |
33f7a12c |
202 | lttv_traceset_context_compute_time_span(self, &self->time_span); |
8697a616 |
203 | |
dc877563 |
204 | } |
205 | |
206 | |
207 | void fini(LttvTracesetContext *self) |
208 | { |
dbb7bb09 |
209 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
210 | |
211 | LttvTraceContext *tc; |
212 | |
213 | LttvTracefileContext *tfc; |
214 | |
ffd54a90 |
215 | LttvTraceset *ts = self->ts; |
dc877563 |
216 | |
f7afe191 |
217 | //FIXME : segfault |
8697a616 |
218 | |
219 | g_tree_destroy(self->pqueue); |
2061e03d |
220 | g_object_unref(self->a); |
dc877563 |
221 | |
222 | nb_trace = lttv_traceset_number(ts); |
223 | |
224 | for(i = 0 ; i < nb_trace ; i++) { |
225 | tc = self->traces[i]; |
226 | |
ffd54a90 |
227 | g_object_unref(tc->a); |
dc877563 |
228 | |
dbb7bb09 |
229 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
230 | ltt_trace_per_cpu_tracefile_number(tc->t); |
dc877563 |
231 | |
232 | for(j = 0 ; j < nb_tracefile ; j++) { |
dbb7bb09 |
233 | tfc = tc->tracefiles[j]; |
d3e01c7a |
234 | ltt_event_destroy(tfc->e); |
8697a616 |
235 | lttv_hooks_destroy(tfc->event); |
236 | lttv_hooks_by_id_destroy(tfc->event_by_id); |
ffd54a90 |
237 | g_object_unref(tfc->a); |
dc877563 |
238 | g_object_unref(tfc); |
239 | } |
dbb7bb09 |
240 | g_free(tc->tracefiles); |
dc877563 |
241 | g_object_unref(tc); |
242 | } |
243 | g_free(self->traces); |
244 | } |
245 | |
246 | |
247 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, |
8697a616 |
248 | LttvHooks *before_traceset, |
dc877563 |
249 | LttvHooks *before_trace, |
ffd54a90 |
250 | LttvHooks *before_tracefile, |
8697a616 |
251 | LttvHooks *event, |
252 | LttvHooksById *event_by_id) |
dc877563 |
253 | { |
254 | LttvTraceset *ts = self->ts; |
255 | |
8697a616 |
256 | guint i, nb_trace; |
dc877563 |
257 | |
258 | LttvTraceContext *tc; |
259 | |
8697a616 |
260 | lttv_hooks_call(before_traceset, self); |
dc877563 |
261 | |
dc877563 |
262 | nb_trace = lttv_traceset_number(ts); |
263 | |
264 | for(i = 0 ; i < nb_trace ; i++) { |
265 | tc = self->traces[i]; |
8697a616 |
266 | lttv_trace_context_add_hooks(tc, |
267 | before_trace, |
268 | before_tracefile, |
269 | event, |
270 | event_by_id); |
dc877563 |
271 | } |
272 | } |
273 | |
274 | |
275 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, |
dc877563 |
276 | LttvHooks *after_traceset, |
dc877563 |
277 | LttvHooks *after_trace, |
ffd54a90 |
278 | LttvHooks *after_tracefile, |
8697a616 |
279 | LttvHooks *event, |
280 | LttvHooksById *event_by_id) |
dc877563 |
281 | { |
8697a616 |
282 | |
dc877563 |
283 | LttvTraceset *ts = self->ts; |
284 | |
8697a616 |
285 | guint i, nb_trace; |
dc877563 |
286 | |
287 | LttvTraceContext *tc; |
288 | |
dc877563 |
289 | nb_trace = lttv_traceset_number(ts); |
290 | |
291 | for(i = 0 ; i < nb_trace ; i++) { |
292 | tc = self->traces[i]; |
8697a616 |
293 | lttv_trace_context_remove_hooks(tc, |
294 | after_trace, |
295 | after_tracefile, |
296 | event, |
297 | event_by_id); |
dc877563 |
298 | } |
8697a616 |
299 | |
300 | lttv_hooks_call(after_traceset, self); |
301 | |
302 | |
dc877563 |
303 | } |
304 | |
8697a616 |
305 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
306 | LttvHooks *before_trace, |
307 | LttvHooks *before_tracefile, |
308 | LttvHooks *event, |
309 | LttvHooksById *event_by_id) |
a8c0f09d |
310 | { |
8697a616 |
311 | guint i, nb_tracefile; |
312 | |
313 | LttvTracefileContext *tfc; |
314 | |
315 | lttv_hooks_call(before_trace, self); |
316 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
317 | ltt_trace_per_cpu_tracefile_number(self->t); |
318 | |
319 | for(i = 0 ; i < nb_tracefile ; i++) { |
320 | tfc = self->tracefiles[i]; |
321 | lttv_tracefile_context_add_hooks(tfc, |
322 | before_tracefile, |
323 | event, |
324 | event_by_id); |
325 | } |
a8c0f09d |
326 | } |
327 | |
8697a616 |
328 | |
329 | |
330 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, |
331 | LttvHooks *after_trace, |
332 | LttvHooks *after_tracefile, |
333 | LttvHooks *event, |
334 | LttvHooksById *event_by_id) |
a8c0f09d |
335 | { |
8697a616 |
336 | guint i, nb_tracefile; |
337 | |
338 | LttvTracefileContext *tfc; |
339 | |
340 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
341 | ltt_trace_per_cpu_tracefile_number(self->t); |
342 | |
343 | for(i = 0 ; i < nb_tracefile ; i++) { |
344 | tfc = self->tracefiles[i]; |
345 | lttv_tracefile_context_remove_hooks(tfc, |
346 | after_tracefile, |
347 | event, |
348 | event_by_id); |
349 | } |
350 | |
351 | lttv_hooks_call(after_trace, self); |
a8c0f09d |
352 | } |
353 | |
8697a616 |
354 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
355 | LttvHooks *before_tracefile, |
356 | LttvHooks *event, |
357 | LttvHooksById *event_by_id) |
a8c0f09d |
358 | { |
8697a616 |
359 | guint i; |
360 | |
361 | LttvHooks *hook; |
362 | |
363 | lttv_hooks_call(before_tracefile, self); |
364 | lttv_hooks_add_list(self->event, event); |
365 | if(event_by_id != NULL) |
366 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
41a9e0c3 |
367 | hook = lttv_hooks_by_id_find(self->event_by_id, i); |
368 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
8697a616 |
369 | } |
370 | |
a8c0f09d |
371 | } |
372 | |
8697a616 |
373 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
374 | LttvHooks *after_tracefile, |
375 | LttvHooks *event, |
376 | LttvHooksById *event_by_id) |
a8c0f09d |
377 | { |
8697a616 |
378 | guint i; |
379 | |
380 | LttvHooks *hook; |
381 | |
382 | |
383 | lttv_hooks_remove_list(self->event, event); |
384 | if(event_by_id != NULL) |
385 | for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) { |
41a9e0c3 |
386 | hook = lttv_hooks_by_id_get(self->event_by_id, i); |
387 | if(hook != NULL) |
388 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, i)); |
8697a616 |
389 | } |
390 | |
391 | lttv_hooks_call(after_tracefile, self); |
a8c0f09d |
392 | } |
393 | |
8697a616 |
394 | |
395 | |
a8c0f09d |
396 | void lttv_tracefile_context_add_hooks_by_id(LttvTracefileContext *tfc, |
397 | unsigned i, |
8697a616 |
398 | LttvHooks *event_by_id) |
a8c0f09d |
399 | { |
400 | LttvHooks * h; |
8697a616 |
401 | h = lttv_hooks_by_id_find(tfc->event_by_id, i); |
402 | lttv_hooks_add_list(h, event_by_id); |
a8c0f09d |
403 | } |
404 | |
405 | void lttv_tracefile_context_remove_hooks_by_id(LttvTracefileContext *tfc, |
406 | unsigned i) |
407 | { |
8697a616 |
408 | lttv_hooks_by_id_remove(tfc->event_by_id, i); |
a8c0f09d |
409 | } |
dc877563 |
410 | |
ba576a78 |
411 | static LttvTracesetContext * |
dc877563 |
412 | new_traceset_context(LttvTracesetContext *self) |
413 | { |
ffd54a90 |
414 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 |
415 | } |
416 | |
417 | |
ba576a78 |
418 | static LttvTraceContext * |
dc877563 |
419 | new_trace_context(LttvTracesetContext *self) |
420 | { |
ffd54a90 |
421 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 |
422 | } |
423 | |
424 | |
ba576a78 |
425 | static LttvTracefileContext * |
dc877563 |
426 | new_tracefile_context(LttvTracesetContext *self) |
427 | { |
ffd54a90 |
428 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 |
429 | } |
430 | |
431 | |
432 | static void |
433 | traceset_context_instance_init (GTypeInstance *instance, gpointer g_class) |
434 | { |
435 | /* Be careful of anything which would not work well with shallow copies */ |
436 | } |
437 | |
438 | |
439 | static void |
440 | traceset_context_finalize (LttvTracesetContext *self) |
441 | { |
b445142a |
442 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
443 | ->finalize(G_OBJECT(self)); |
dc877563 |
444 | } |
445 | |
446 | |
447 | static void |
448 | traceset_context_class_init (LttvTracesetContextClass *klass) |
449 | { |
450 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
451 | |
ffd54a90 |
452 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; |
dc877563 |
453 | klass->init = init; |
454 | klass->fini = fini; |
455 | klass->new_traceset_context = new_traceset_context; |
456 | klass->new_trace_context = new_trace_context; |
457 | klass->new_tracefile_context = new_tracefile_context; |
458 | } |
459 | |
460 | |
461 | GType |
ffd54a90 |
462 | lttv_traceset_context_get_type(void) |
dc877563 |
463 | { |
464 | static GType type = 0; |
465 | if (type == 0) { |
466 | static const GTypeInfo info = { |
ffd54a90 |
467 | sizeof (LttvTracesetContextClass), |
dc877563 |
468 | NULL, /* base_init */ |
469 | NULL, /* base_finalize */ |
ffd54a90 |
470 | (GClassInitFunc) traceset_context_class_init, /* class_init */ |
dc877563 |
471 | NULL, /* class_finalize */ |
472 | NULL, /* class_data */ |
ffd54a90 |
473 | sizeof (LttvTracesetContext), |
dc877563 |
474 | 0, /* n_preallocs */ |
00e74b69 |
475 | (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */ |
476 | NULL /* Value handling */ |
dc877563 |
477 | }; |
478 | |
ffd54a90 |
479 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", |
dc877563 |
480 | &info, 0); |
481 | } |
482 | return type; |
483 | } |
484 | |
485 | |
486 | static void |
487 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) |
488 | { |
489 | /* Be careful of anything which would not work well with shallow copies */ |
490 | } |
491 | |
492 | |
493 | static void |
494 | trace_context_finalize (LttvTraceContext *self) |
495 | { |
b445142a |
496 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
497 | finalize(G_OBJECT(self)); |
dc877563 |
498 | } |
499 | |
500 | |
501 | static void |
502 | trace_context_class_init (LttvTraceContextClass *klass) |
503 | { |
504 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
505 | |
ffd54a90 |
506 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 |
507 | } |
508 | |
509 | |
510 | GType |
ffd54a90 |
511 | lttv_trace_context_get_type(void) |
dc877563 |
512 | { |
513 | static GType type = 0; |
514 | if (type == 0) { |
515 | static const GTypeInfo info = { |
ffd54a90 |
516 | sizeof (LttvTraceContextClass), |
dc877563 |
517 | NULL, /* base_init */ |
518 | NULL, /* base_finalize */ |
ffd54a90 |
519 | (GClassInitFunc) trace_context_class_init, /* class_init */ |
dc877563 |
520 | NULL, /* class_finalize */ |
521 | NULL, /* class_data */ |
c6bc9cb9 |
522 | sizeof (LttvTraceContext), |
dc877563 |
523 | 0, /* n_preallocs */ |
00e74b69 |
524 | (GInstanceInitFunc) trace_context_instance_init, /* instance_init */ |
525 | NULL /* Value handling */ |
dc877563 |
526 | }; |
527 | |
ffd54a90 |
528 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", |
dc877563 |
529 | &info, 0); |
530 | } |
531 | return type; |
532 | } |
533 | |
534 | |
535 | static void |
536 | tracefile_context_instance_init (GTypeInstance *instance, gpointer g_class) |
537 | { |
538 | /* Be careful of anything which would not work well with shallow copies */ |
539 | } |
540 | |
541 | |
542 | static void |
543 | tracefile_context_finalize (LttvTracefileContext *self) |
544 | { |
b445142a |
545 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
546 | ->finalize(G_OBJECT(self)); |
dc877563 |
547 | } |
548 | |
549 | |
550 | static void |
551 | tracefile_context_class_init (LttvTracefileContextClass *klass) |
552 | { |
553 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
554 | |
ffd54a90 |
555 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
556 | } |
557 | |
558 | |
559 | GType |
560 | lttv_tracefile_context_get_type(void) |
561 | { |
562 | static GType type = 0; |
563 | if (type == 0) { |
564 | static const GTypeInfo info = { |
565 | sizeof (LttvTracefileContextClass), |
566 | NULL, /* base_init */ |
567 | NULL, /* base_finalize */ |
568 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ |
569 | NULL, /* class_finalize */ |
570 | NULL, /* class_data */ |
571 | sizeof (LttvTracefileContext), |
572 | 0, /* n_preallocs */ |
00e74b69 |
573 | (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */ |
574 | NULL /* Value handling */ |
ffd54a90 |
575 | }; |
576 | |
577 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", |
578 | &info, 0); |
579 | } |
580 | return type; |
dc877563 |
581 | } |
582 | |
583 | |
dc877563 |
584 | |
6843100a |
585 | static gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
dc877563 |
586 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; |
587 | return TRUE; |
588 | } |
589 | |
590 | |
8b0bbe19 |
591 | /* Put all the tracefiles at the tracefile context position */ |
592 | void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *self) |
593 | { |
594 | guint iter_trace, nb_trace; |
595 | |
596 | LttvTraceContext *tc; |
597 | |
598 | nb_trace = lttv_traceset_number(self->ts); |
599 | |
600 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
601 | tc = self->traces[iter_trace]; |
602 | { |
603 | /* each trace */ |
604 | guint iter_tf, nb_tracefile; |
605 | |
606 | LttvTracefileContext *tfc; |
607 | |
608 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
609 | ltt_trace_per_cpu_tracefile_number(tc->t); |
610 | |
611 | for(iter_tf = 0 ; iter_tf < nb_tracefile ; iter_tf++) { |
612 | tfc = tc->tracefiles[iter_tf]; |
613 | { |
614 | /* each tracefile */ |
615 | //ltt_tracefile_copy(tfc->tf_sync_data, tfc->tf); |
616 | LttEventPosition *ep = ltt_event_position_new(); |
617 | |
618 | ltt_event_position(tfc->e, ep); |
619 | |
620 | ltt_tracefile_seek_position(tfc->tf, ep); |
621 | g_free(ep); |
622 | } |
623 | } |
624 | } |
625 | } |
626 | } |
627 | |
628 | |
dc877563 |
629 | |
8697a616 |
630 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
631 | LttvHooks *before_traceset, |
632 | LttvHooks *before_trace, |
633 | LttvHooks *before_tracefile, |
634 | LttvHooks *event, |
635 | LttvHooksById *event_by_id) |
636 | { |
dc877563 |
637 | |
8697a616 |
638 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
639 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ |
640 | lttv_traceset_context_add_hooks(self, |
641 | before_traceset, |
642 | before_trace, |
643 | before_tracefile, |
644 | event, |
645 | event_by_id); |
646 | |
2a2fa4f0 |
647 | } |
648 | |
8697a616 |
649 | /* Note : a _middle must be preceded from a _seek or another middle */ |
650 | guint lttv_process_traceset_middle(LttvTracesetContext *self, |
651 | LttTime end, |
b8eccacd |
652 | guint nb_events, |
8697a616 |
653 | const LttvTracesetContextPosition *end_position) |
2a2fa4f0 |
654 | { |
655 | GTree *pqueue = self->pqueue; |
656 | |
657 | guint id; |
658 | |
2a2fa4f0 |
659 | LttvTracefileContext *tfc; |
660 | |
2a2fa4f0 |
661 | unsigned count = 0; |
662 | |
a54f091a |
663 | gboolean last_ret = FALSE; /* return value of the last hook list called */ |
664 | |
dc877563 |
665 | /* Get the next event from the pqueue, call its hooks, |
666 | reinsert in the pqueue the following event from the same tracefile |
667 | unless the tracefile is finished or the event is later than the |
8697a616 |
668 | end time. */ |
dc877563 |
669 | |
ffd54a90 |
670 | while(TRUE) { |
dc877563 |
671 | tfc = NULL; |
672 | g_tree_foreach(pqueue, get_first, &tfc); |
33f7a12c |
673 | /* End of traceset : tfc is NULL */ |
1d1df11d |
674 | if(unlikely(tfc == NULL)) |
a43d67ba |
675 | { |
a43d67ba |
676 | return count; |
677 | } |
dc877563 |
678 | |
8697a616 |
679 | /* Have we reached : |
680 | * - the maximum number of events specified? |
681 | * - the end position ? |
682 | * - the end time ? |
683 | * then the read is finished. We leave the queue in the same state and |
684 | * break the loop. |
685 | */ |
686 | |
1d1df11d |
687 | if(unlikely(last_ret == TRUE || |
688 | count >= nb_events || |
8b0bbe19 |
689 | (end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self, |
690 | end_position) == 0)|| |
1d1df11d |
691 | ltt_time_compare(end, tfc->timestamp) <= 0)) |
a43d67ba |
692 | { |
a43d67ba |
693 | return count; |
694 | } |
2a2fa4f0 |
695 | |
308711e5 |
696 | /* Get the tracefile with an event for the smallest time found. If two |
697 | or more tracefiles have events for the same time, hope that lookup |
698 | and remove are consistent. */ |
270e7cc5 |
699 | |
f95bc830 |
700 | g_tree_remove(pqueue, tfc); |
2a2fa4f0 |
701 | count++; |
dc877563 |
702 | |
8697a616 |
703 | id = ltt_event_eventtype_id(tfc->e); |
a54f091a |
704 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, |
8697a616 |
705 | lttv_hooks_by_id_get(tfc->event_by_id, id), tfc); |
dc877563 |
706 | |
1d1df11d |
707 | if(likely(ltt_tracefile_read(tfc->tf, tfc->e) != NULL)) { |
d3e01c7a |
708 | tfc->timestamp = ltt_event_time(tfc->e); |
33f7a12c |
709 | g_tree_insert(pqueue, tfc, tfc); |
dc877563 |
710 | } |
711 | } |
2a2fa4f0 |
712 | } |
713 | |
714 | |
8697a616 |
715 | void lttv_process_traceset_end(LttvTracesetContext *self, |
716 | LttvHooks *after_traceset, |
717 | LttvHooks *after_trace, |
718 | LttvHooks *after_tracefile, |
719 | LttvHooks *event, |
720 | LttvHooksById *event_by_id) |
2a2fa4f0 |
721 | { |
8697a616 |
722 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
723 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ |
724 | lttv_traceset_context_remove_hooks(self, |
725 | after_traceset, |
726 | after_trace, |
727 | after_tracefile, |
728 | event, |
729 | event_by_id); |
730 | } |
2a2fa4f0 |
731 | |
8697a616 |
732 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
733 | { |
734 | guint i, nb_tracefile; |
2a2fa4f0 |
735 | |
736 | LttvTracefileContext *tfc; |
737 | |
a5ba1787 |
738 | GTree *pqueue = self->ts_context->pqueue; |
739 | |
8697a616 |
740 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
741 | ltt_trace_per_cpu_tracefile_number(self->t); |
dc877563 |
742 | |
8697a616 |
743 | for(i = 0 ; i < nb_tracefile ; i++) { |
744 | tfc = self->tracefiles[i]; |
745 | ltt_tracefile_seek_time(tfc->tf, start); |
a5ba1787 |
746 | g_tree_remove(pqueue, tfc); |
1d1df11d |
747 | if(likely(ltt_tracefile_read(tfc->tf, tfc->e) != NULL)) { |
d3e01c7a |
748 | tfc->timestamp = ltt_event_time(tfc->e); |
a5ba1787 |
749 | g_tree_insert(pqueue, tfc, tfc); |
8697a616 |
750 | } |
751 | } |
752 | } |
dc877563 |
753 | |
2a2fa4f0 |
754 | |
8697a616 |
755 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
756 | { |
757 | guint i, nb_trace; |
2a2fa4f0 |
758 | |
8697a616 |
759 | LttvTraceContext *tc; |
2a2fa4f0 |
760 | |
8697a616 |
761 | nb_trace = lttv_traceset_number(self->ts); |
762 | for(i = 0 ; i < nb_trace ; i++) { |
763 | tc = self->traces[i]; |
764 | lttv_process_trace_seek_time(tc, start); |
765 | } |
dc877563 |
766 | } |
b445142a |
767 | |
308711e5 |
768 | |
a5ba1787 |
769 | gboolean lttv_process_tracefile_seek_position(LttvTracefileContext *self, |
770 | const LttEventPosition *pos) |
771 | { |
772 | LttvTracefileContext *tfc = self; |
773 | |
a5ba1787 |
774 | GTree *pqueue = self->t_context->ts_context->pqueue; |
775 | |
776 | ltt_tracefile_seek_position(tfc->tf, pos); |
777 | g_tree_remove(pqueue, tfc); |
1d1df11d |
778 | if(likely(ltt_tracefile_read(tfc->tf, tfc->e) != NULL)) { |
d3e01c7a |
779 | tfc->timestamp = ltt_event_time(tfc->e); |
a5ba1787 |
780 | g_tree_insert(pqueue, tfc, tfc); |
781 | } |
782 | |
00e74b69 |
783 | return TRUE; |
a5ba1787 |
784 | } |
785 | |
8697a616 |
786 | gboolean lttv_process_trace_seek_position(LttvTraceContext *self, |
787 | const LttvTraceContextPosition *pos) |
308711e5 |
788 | { |
dbb7bb09 |
789 | guint i, nb_tracefile; |
308711e5 |
790 | |
791 | LttvTracefileContext *tfc; |
792 | |
dbb7bb09 |
793 | nb_tracefile = ltt_trace_control_tracefile_number(self->t) + |
794 | ltt_trace_per_cpu_tracefile_number(self->t); |
308711e5 |
795 | |
8697a616 |
796 | if(nb_tracefile != pos->nb_tracefile) |
797 | return FALSE; /* Error */ |
798 | |
dbb7bb09 |
799 | for(i = 0 ; i < nb_tracefile ; i++) { |
800 | tfc = self->tracefiles[i]; |
a5ba1787 |
801 | lttv_process_tracefile_seek_position(tfc, pos->tf_pos[i]); |
308711e5 |
802 | } |
8697a616 |
803 | |
804 | return TRUE; |
308711e5 |
805 | } |
806 | |
807 | |
8697a616 |
808 | |
809 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
810 | const LttvTracesetContextPosition *pos) |
308711e5 |
811 | { |
812 | guint i, nb_trace; |
8697a616 |
813 | gboolean sum_ret = TRUE; |
308711e5 |
814 | |
815 | LttvTraceContext *tc; |
816 | |
817 | nb_trace = lttv_traceset_number(self->ts); |
8697a616 |
818 | |
819 | if(nb_trace != pos->nb_trace) |
820 | return FALSE; /* Error */ |
821 | |
308711e5 |
822 | for(i = 0 ; i < nb_trace ; i++) { |
823 | tc = self->traces[i]; |
8697a616 |
824 | sum_ret = sum_ret && lttv_process_trace_seek_position(tc, &pos->t_pos[i]); |
308711e5 |
825 | } |
8697a616 |
826 | |
827 | return sum_ret; |
308711e5 |
828 | } |
829 | |
830 | |
8697a616 |
831 | |
b445142a |
832 | static LttField * |
833 | find_field(LttEventType *et, const char *field) |
834 | { |
835 | LttType *t; |
836 | |
837 | LttField *f; |
838 | |
839 | guint i, nb; |
840 | |
841 | char *name; |
842 | |
843 | if(field == NULL) return NULL; |
844 | |
845 | f = ltt_eventtype_field(et); |
846 | t = ltt_eventtype_type(et); |
847 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
848 | nb = ltt_type_member_number(t); |
849 | for(i = 0 ; i < nb ; i++) { |
850 | ltt_type_member_type(t, i, &name); |
851 | if(strcmp(name, field) == 0) break; |
852 | } |
853 | g_assert(i < nb); |
854 | return ltt_field_member(f, i); |
855 | } |
856 | |
857 | |
858 | void |
859 | lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type, |
860 | char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th) |
861 | { |
862 | LttFacility *f; |
863 | |
864 | LttEventType *et; |
865 | |
00e74b69 |
866 | guint nb, pos; |
b445142a |
867 | |
868 | nb = ltt_trace_facility_find(t, facility, &pos); |
1d1df11d |
869 | if(unlikely(nb < 1)) g_error("No %s facility", facility); |
b445142a |
870 | f = ltt_trace_facility_get(t, pos); |
871 | et = ltt_facility_eventtype_get_by_name(f, event_type); |
1d1df11d |
872 | if(unlikely(et == NULL)) g_error("Event %s does not exist", event_type); |
b445142a |
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 | { |
00e74b69 |
932 | guint nb_trace; |
8697a616 |
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 | |
1d1df11d |
994 | if(unlikely(pos->nb_trace != nb_trace)) |
8697a616 |
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 | |
1d1df11d |
1002 | if(unlikely(pos->t_pos[iter_trace].nb_tracefile != nb_tracefile)) |
8697a616 |
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; |
00e74b69 |
1008 | ret = ltt_event_event_position_compare(event, |
1009 | pos->t_pos[iter_trace].tf_pos[iter_tracefile]); |
1010 | if(ret != 0) |
8697a616 |
1011 | return ret; |
1012 | } |
1013 | } |
1014 | return 0; |
1015 | } |
1016 | |
1017 | |
1018 | gint lttv_traceset_context_pos_pos_compare( |
1019 | const LttvTracesetContextPosition *pos1, |
1020 | const LttvTracesetContextPosition *pos2) |
1021 | { |
1022 | guint nb_trace, nb_tracefile; |
1023 | guint iter_trace, iter_tracefile; |
1024 | |
1025 | gint ret; |
1026 | |
1027 | nb_trace = pos1->nb_trace; |
1d1df11d |
1028 | if(unlikely(nb_trace != pos2->nb_trace)) |
8697a616 |
1029 | g_error("lttv_traceset_context_pos_pos_compare : nb_trace does not match."); |
1030 | |
1031 | for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) { |
1032 | |
1033 | nb_tracefile = pos1->t_pos[iter_trace].nb_tracefile; |
1d1df11d |
1034 | if(unlikely(nb_tracefile != pos2->t_pos[iter_trace].nb_tracefile)) |
8697a616 |
1035 | g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match."); |
1036 | |
1037 | for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) { |
00e74b69 |
1038 | ret = ltt_event_position_compare( |
8697a616 |
1039 | pos1->t_pos[iter_trace].tf_pos[iter_tracefile], |
00e74b69 |
1040 | pos2->t_pos[iter_trace].tf_pos[iter_tracefile]); |
1041 | if(ret != 0) |
8697a616 |
1042 | return ret; |
1043 | } |
1044 | } |
1045 | return 0; |
1046 | } |
1047 | |
1048 | |
2d262115 |
1049 | LttTime lttv_traceset_context_position_get_time( |
1050 | const LttvTracesetContextPosition *pos) |
1051 | { |
1052 | return pos->timestamp; |
1053 | } |
1054 | |
1055 | |
1056 | LttvTracefileContext *lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) |
1057 | { |
1058 | GTree *pqueue = self->pqueue; |
b56b5fec |
1059 | LttvTracefileContext *tfc = NULL; |
2d262115 |
1060 | |
1061 | g_tree_foreach(pqueue, get_first, &tfc); |
1062 | |
1063 | return tfc; |
1064 | } |