Commit | Line | Data |
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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> |
f0ca53e9 | 24 | #include <lttv/lttv.h> |
d8f124de | 25 | #include <lttv/tracecontext.h> |
ffd54a90 | 26 | #include <ltt/event.h> |
a5dcde2f | 27 | #include <ltt/trace.h> |
33e44b82 | 28 | #include <lttv/filter.h> |
27304273 | 29 | #include <errno.h> |
3667f07d | 30 | #include <ltt/time.h> |
556b540a | 31 | #include <lttv/event.h> |
dc877563 | 32 | |
922581a4 YB |
33 | #include <babeltrace/context.h> |
34 | #include <babeltrace/iterator.h> | |
35 | ||
36 | #include <babeltrace/ctf/events.h> | |
37 | #include <babeltrace/ctf/iterator.h> | |
38 | ||
27304273 | 39 | gint compare_tracefile(gconstpointer a, gconstpointer b) |
8697a616 | 40 | { |
90e19f82 AM |
41 | gint comparison = 0; |
42 | ||
43 | const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a; | |
44 | const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b; | |
45 | ||
46 | if(likely(trace_a != trace_b)) { | |
47 | comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp); | |
48 | if(unlikely(comparison == 0)) { | |
49 | if(trace_a->index < trace_b->index) comparison = -1; | |
50 | else if(trace_a->index > trace_b->index) comparison = 1; | |
51 | else if(trace_a->t_context->index < trace_b->t_context->index) | |
52 | comparison = -1; | |
53 | else if(trace_a->t_context->index > trace_b->t_context->index) | |
54 | comparison = 1; | |
55 | } | |
56 | } | |
57 | return comparison; | |
8697a616 | 58 | } |
59 | ||
9ba3aaaf | 60 | typedef struct _LttvTracefileContextPosition { |
90e19f82 AM |
61 | LttEventPosition *event; |
62 | LttvTracefileContext *tfc; | |
63 | gboolean used; /* Tells if the tfc is at end of traceset position */ | |
9ba3aaaf | 64 | } LttvTracefileContextPosition; |
65 | ||
66 | ||
8697a616 | 67 | struct _LttvTracesetContextPosition { |
90e19f82 AM |
68 | GArray *tfcp; /* Array of LttvTracefileContextPosition */ |
69 | LttTime timestamp; /* Current time at the saved position */ | |
70 | /* If ltt_time_infinite : no position is | |
71 | * set, else, a position is set (may be end | |
72 | * of trace, with ep->len == 0) */ | |
8697a616 | 73 | }; |
74 | ||
ffd54a90 | 75 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 | 76 | { |
90e19f82 | 77 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 | 78 | } |
79 | ||
80 | ||
81 | void lttv_context_fini(LttvTracesetContext *self) | |
82 | { | |
90e19f82 | 83 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
dc877563 | 84 | } |
85 | ||
86 | ||
87 | LttvTracesetContext * | |
88 | lttv_context_new_traceset_context(LttvTracesetContext *self) | |
89 | { | |
90e19f82 | 90 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
dc877563 | 91 | } |
92 | ||
93 | ||
94 | ||
95 | ||
96 | LttvTraceContext * | |
97 | lttv_context_new_trace_context(LttvTracesetContext *self) | |
98 | { | |
90e19f82 | 99 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 | 100 | } |
101 | ||
102 | ||
103 | LttvTracefileContext * | |
104 | lttv_context_new_tracefile_context(LttvTracesetContext *self) | |
105 | { | |
90e19f82 | 106 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 | 107 | } |
108 | ||
f7afe191 | 109 | /**************************************************************************** |
110 | * lttv_traceset_context_compute_time_span | |
111 | * | |
14bc9b7c | 112 | * Keep the time span in sync with on the fly addition and removal of traces |
f7afe191 | 113 | * in a trace set. It must be called each time a trace is added/removed from |
114 | * the traceset. It could be more efficient to call it only once a bunch | |
115 | * of traces are loaded, but the calculation is not long, so it's not | |
116 | * critical. | |
117 | * | |
118 | * Author : Xang Xiu Yang | |
f7afe191 | 119 | ***************************************************************************/ |
800dfee0 BP |
120 | void lttv_traceset_context_compute_time_span(LttvTracesetContext *self, |
121 | TimeInterval *time_span) | |
f7afe191 | 122 | { |
2bc1bcfb | 123 | //todo mdenis: adapt to babeltrace |
124 | #ifdef BABEL_CLEANUP | |
90e19f82 AM |
125 | LttvTraceset * traceset = self->ts; |
126 | int numTraces = lttv_traceset_number(traceset); | |
127 | int i; | |
128 | LttTime s, e; | |
129 | LttvTraceContext *tc; | |
130 | LttTrace * trace; | |
131 | ||
132 | time_span->start_time.tv_sec = 0; | |
133 | time_span->start_time.tv_nsec = 0; | |
134 | time_span->end_time.tv_sec = 0; | |
135 | time_span->end_time.tv_nsec = 0; | |
136 | ||
137 | for(i=0; i<numTraces;i++){ | |
138 | tc = self->traces[i]; | |
2bc1bcfb | 139 | |
90e19f82 AM |
140 | trace = tc->t; |
141 | ||
142 | ltt_trace_time_span_get(trace, &s, &e); | |
143 | tc->time_span.start_time = s; | |
144 | tc->time_span.end_time = e; | |
145 | ||
146 | if(i==0){ | |
147 | time_span->start_time = s; | |
148 | time_span->end_time = e; | |
149 | } else { | |
150 | if(s.tv_sec < time_span->start_time.tv_sec | |
151 | || (s.tv_sec == time_span->start_time.tv_sec | |
152 | && s.tv_nsec < time_span->start_time.tv_nsec)) | |
153 | time_span->start_time = s; | |
154 | if(e.tv_sec > time_span->end_time.tv_sec | |
155 | || (e.tv_sec == time_span->end_time.tv_sec | |
156 | && e.tv_nsec > time_span->end_time.tv_nsec)) | |
157 | time_span->end_time = e; | |
158 | } | |
159 | } | |
2bc1bcfb | 160 | #endif |
f7afe191 | 161 | } |
162 | ||
eed2ef37 | 163 | static void init_tracefile_context(LttTracefile *tracefile, |
90e19f82 | 164 | LttvTraceContext *tc) |
eed2ef37 | 165 | { |
90e19f82 AM |
166 | LttvTracefileContext *tfc; |
167 | LttvTracesetContext *tsc = tc->ts_context; | |
eed2ef37 | 168 | |
90e19f82 | 169 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->new_tracefile_context(tsc); |
eed2ef37 | 170 | |
90e19f82 AM |
171 | tfc->index = tc->tracefiles->len; |
172 | tc->tracefiles = g_array_append_val(tc->tracefiles, tfc); | |
eed2ef37 | 173 | |
90e19f82 AM |
174 | tfc->tf = tracefile; |
175 | ||
176 | tfc->t_context = tc; | |
177 | tfc->event = lttv_hooks_new(); | |
178 | tfc->event_by_id = lttv_hooks_by_id_new(); | |
179 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
180 | tfc->target_pid = -1; | |
eed2ef37 | 181 | } |
182 | ||
dc877563 | 183 | |
184 | static void | |
185 | init(LttvTracesetContext *self, LttvTraceset *ts) | |
186 | { | |
90e19f82 AM |
187 | guint i, nb_trace; |
188 | ||
189 | LttvTraceContext *tc; | |
190 | ||
191 | GData **tracefiles_groups; | |
192 | ||
193 | struct compute_tracefile_group_args args; | |
922581a4 YB |
194 | |
195 | struct bt_iter_pos begin_pos; | |
90e19f82 AM |
196 | |
197 | nb_trace = lttv_traceset_number(ts); | |
198 | self->ts = ts; | |
199 | self->traces = g_new(LttvTraceContext *, nb_trace); | |
200 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
201 | self->ts_a = lttv_traceset_attribute(ts); | |
922581a4 YB |
202 | |
203 | begin_pos.type = BT_SEEK_BEGIN; | |
204 | ||
205 | self->iter = bt_ctf_iter_create(lttv_traceset_get_context(ts), | |
206 | &begin_pos, | |
207 | NULL); | |
208 | self->event_hooks = lttv_hooks_new(); | |
f826ad80 YB |
209 | self->tmpState = g_new(LttvTraceState *, 1); |
210 | ||
90e19f82 AM |
211 | for(i = 0 ; i < nb_trace ; i++) { |
212 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); | |
213 | self->traces[i] = tc; | |
214 | ||
215 | tc->ts_context = self; | |
216 | tc->index = i; | |
217 | tc->vt = lttv_traceset_get(ts, i); | |
2bc1bcfb | 218 | #ifdef BABEL_CLEANUP |
90e19f82 | 219 | tc->t = lttv_trace(tc->vt); |
2bc1bcfb | 220 | #endif |
90e19f82 AM |
221 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
222 | tc->t_a = lttv_trace_attribute(tc->vt); | |
223 | tc->tracefiles = g_array_sized_new(FALSE, TRUE, | |
224 | sizeof(LttvTracefileContext*), 10); | |
225 | ||
2bc1bcfb | 226 | #ifdef BABEL_CLEANUP |
90e19f82 AM |
227 | tracefiles_groups = ltt_trace_get_tracefiles_groups(tc->t); |
228 | if(tracefiles_groups != NULL) { | |
229 | args.func = (ForEachTraceFileFunc)init_tracefile_context; | |
230 | args.func_args = tc; | |
231 | ||
232 | g_datalist_foreach(tracefiles_groups, | |
233 | (GDataForeachFunc)compute_tracefile_group, | |
234 | &args); | |
235 | } | |
2bc1bcfb | 236 | #endif |
90e19f82 | 237 | |
eed2ef37 | 238 | |
90e19f82 AM |
239 | } |
240 | self->sync_position = lttv_traceset_context_position_new(self); | |
241 | self->pqueue = g_tree_new(compare_tracefile); | |
242 | lttv_process_traceset_seek_time(self, ltt_time_zero); | |
243 | lttv_traceset_context_compute_time_span(self, &self->time_span); | |
8697a616 | 244 | |
dc877563 | 245 | } |
246 | ||
247 | ||
248 | void fini(LttvTracesetContext *self) | |
249 | { | |
90e19f82 | 250 | guint i, j, nb_trace, nb_tracefile; |
dc877563 | 251 | |
90e19f82 | 252 | LttvTraceContext *tc; |
dc877563 | 253 | |
90e19f82 | 254 | LttvTracefileContext **tfc; |
dc877563 | 255 | |
90e19f82 | 256 | LttvTraceset *ts = self->ts; |
dc877563 | 257 | |
90e19f82 AM |
258 | g_tree_destroy(self->pqueue); |
259 | g_object_unref(self->a); | |
260 | lttv_traceset_context_position_destroy(self->sync_position); | |
dc877563 | 261 | |
90e19f82 | 262 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 263 | |
90e19f82 AM |
264 | for(i = 0 ; i < nb_trace ; i++) { |
265 | tc = self->traces[i]; | |
dc877563 | 266 | |
90e19f82 | 267 | g_object_unref(tc->a); |
dc877563 | 268 | |
90e19f82 | 269 | nb_tracefile = tc->tracefiles->len; |
dc877563 | 270 | |
90e19f82 AM |
271 | for(j = 0 ; j < nb_tracefile ; j++) { |
272 | tfc = &g_array_index(tc->tracefiles, LttvTracefileContext*, j); | |
273 | lttv_hooks_destroy((*tfc)->event); | |
274 | lttv_hooks_by_id_destroy((*tfc)->event_by_id); | |
275 | g_object_unref((*tfc)->a); | |
276 | g_object_unref(*tfc); | |
277 | } | |
278 | g_array_free(tc->tracefiles, TRUE); | |
279 | g_object_unref(tc); | |
280 | } | |
281 | g_free(self->traces); | |
dc877563 | 282 | } |
283 | ||
284 | ||
285 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, | |
90e19f82 AM |
286 | LttvHooks *before_traceset, |
287 | LttvHooks *before_trace, | |
288 | LttvHooks *before_tracefile, | |
289 | LttvHooks *event, | |
290 | LttvHooksByIdChannelArray *event_by_id_channel) | |
dc877563 | 291 | { |
90e19f82 | 292 | LttvTraceset *ts = self->ts; |
dc877563 | 293 | |
90e19f82 | 294 | guint i, nb_trace; |
dc877563 | 295 | |
90e19f82 | 296 | LttvTraceContext *tc; |
dc877563 | 297 | |
90e19f82 | 298 | lttv_hooks_call(before_traceset, self); |
922581a4 YB |
299 | |
300 | lttv_hooks_add_list(self->event_hooks, event); | |
dc877563 | 301 | |
90e19f82 | 302 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 303 | |
90e19f82 AM |
304 | for(i = 0 ; i < nb_trace ; i++) { |
305 | tc = self->traces[i]; | |
306 | lttv_trace_context_add_hooks(tc, | |
307 | before_trace, | |
308 | before_tracefile, | |
309 | event, | |
310 | event_by_id_channel); | |
311 | } | |
dc877563 | 312 | } |
313 | ||
314 | ||
315 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, | |
90e19f82 AM |
316 | LttvHooks *after_traceset, |
317 | LttvHooks *after_trace, | |
318 | LttvHooks *after_tracefile, | |
319 | LttvHooks *event, | |
320 | LttvHooksByIdChannelArray *event_by_id_channel) | |
dc877563 | 321 | { |
8697a616 | 322 | |
90e19f82 | 323 | LttvTraceset *ts = self->ts; |
dc877563 | 324 | |
90e19f82 | 325 | guint i, nb_trace; |
dc877563 | 326 | |
90e19f82 | 327 | LttvTraceContext *tc; |
dc877563 | 328 | |
90e19f82 | 329 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 330 | |
90e19f82 AM |
331 | for(i = 0 ; i < nb_trace ; i++) { |
332 | tc = self->traces[i]; | |
333 | lttv_trace_context_remove_hooks(tc, | |
334 | after_trace, | |
335 | after_tracefile, | |
336 | event, | |
337 | event_by_id_channel); | |
338 | } | |
8697a616 | 339 | |
90e19f82 | 340 | lttv_hooks_call(after_traceset, self); |
8697a616 | 341 | |
342 | ||
dc877563 | 343 | } |
344 | ||
8697a616 | 345 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
90e19f82 AM |
346 | LttvHooks *before_trace, |
347 | LttvHooks *before_tracefile, | |
348 | LttvHooks *event, | |
349 | LttvHooksByIdChannelArray *event_by_id_channel) | |
a8c0f09d | 350 | { |
90e19f82 AM |
351 | guint i, j, nb_tracefile; |
352 | LttvTracefileContext **tfc; | |
353 | LttTracefile *tf; | |
354 | ||
355 | lttv_hooks_call(before_trace, self); | |
356 | ||
357 | nb_tracefile = self->tracefiles->len; | |
358 | ||
359 | for(i = 0 ; i < nb_tracefile ; i++) { | |
360 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
361 | tf = (*tfc)->tf; | |
362 | lttv_tracefile_context_add_hooks(*tfc, | |
363 | before_tracefile, | |
364 | event, | |
365 | NULL); | |
366 | if (event_by_id_channel) { | |
367 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
368 | LttvHooksByIdChannel *hooks = | |
369 | &g_array_index(event_by_id_channel->array, | |
370 | LttvHooksByIdChannel, j); | |
371 | if (tf->name == hooks->channel) | |
372 | lttv_tracefile_context_add_hooks(*tfc, | |
373 | NULL, | |
374 | NULL, | |
375 | hooks->hooks_by_id); | |
376 | } | |
377 | } | |
378 | } | |
a8c0f09d | 379 | } |
380 | ||
8697a616 | 381 | |
382 | ||
383 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, | |
90e19f82 AM |
384 | LttvHooks *after_trace, |
385 | LttvHooks *after_tracefile, | |
386 | LttvHooks *event, | |
387 | LttvHooksByIdChannelArray *event_by_id_channel) | |
a8c0f09d | 388 | { |
90e19f82 AM |
389 | guint i, j, nb_tracefile; |
390 | LttvTracefileContext **tfc; | |
391 | LttTracefile *tf; | |
392 | ||
393 | nb_tracefile = self->tracefiles->len; | |
394 | ||
395 | for(i = 0 ; i < nb_tracefile ; i++) { | |
396 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
397 | tf = (*tfc)->tf; | |
398 | if (event_by_id_channel) { | |
399 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
400 | LttvHooksByIdChannel *hooks = | |
401 | &g_array_index(event_by_id_channel->array, | |
402 | LttvHooksByIdChannel, j); | |
403 | if (tf->name == hooks->channel) | |
404 | lttv_tracefile_context_remove_hooks(*tfc, | |
405 | NULL, | |
406 | NULL, | |
407 | hooks->hooks_by_id); | |
408 | } | |
409 | } | |
410 | lttv_tracefile_context_remove_hooks(*tfc, | |
411 | after_tracefile, | |
412 | event, | |
413 | NULL); | |
414 | ||
415 | } | |
416 | ||
417 | lttv_hooks_call(after_trace, self); | |
a8c0f09d | 418 | } |
419 | ||
8697a616 | 420 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
90e19f82 AM |
421 | LttvHooks *before_tracefile, |
422 | LttvHooks *event, | |
423 | LttvHooksById *event_by_id) | |
a8c0f09d | 424 | { |
90e19f82 AM |
425 | guint i, index; |
426 | LttvHooks *hook; | |
427 | ||
428 | lttv_hooks_call(before_tracefile, self); | |
429 | lttv_hooks_add_list(self->event, event); | |
430 | if(event_by_id != NULL) { | |
431 | for(i = 0; i < event_by_id->array->len; i++) { | |
432 | index = g_array_index(event_by_id->array, guint, i); | |
433 | hook = lttv_hooks_by_id_find(self->event_by_id, index); | |
434 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, index)); | |
435 | } | |
436 | } | |
a8c0f09d | 437 | } |
438 | ||
8697a616 | 439 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
90e19f82 AM |
440 | LttvHooks *after_tracefile, |
441 | LttvHooks *event, | |
442 | LttvHooksById *event_by_id) | |
a8c0f09d | 443 | { |
90e19f82 AM |
444 | guint i, index; |
445 | ||
446 | LttvHooks *hook; | |
447 | ||
448 | lttv_hooks_remove_list(self->event, event); | |
449 | if(event_by_id != NULL) { | |
450 | for(i = 0; i < event_by_id->array->len; i++) { | |
451 | index = g_array_index(event_by_id->array, guint, i); | |
452 | hook = lttv_hooks_by_id_get(self->event_by_id, index); | |
453 | if(hook != NULL) | |
454 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, index)); | |
455 | } | |
456 | } | |
457 | ||
458 | lttv_hooks_call(after_tracefile, self); | |
a8c0f09d | 459 | } |
460 | ||
90e19f82 | 461 | static LttvTracesetContext *new_traceset_context(LttvTracesetContext *self) |
dc877563 | 462 | { |
90e19f82 | 463 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 | 464 | } |
465 | ||
466 | ||
90e19f82 | 467 | static LttvTraceContext *new_trace_context(LttvTracesetContext *self) |
dc877563 | 468 | { |
90e19f82 | 469 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 | 470 | } |
471 | ||
472 | ||
90e19f82 | 473 | static LttvTracefileContext *new_tracefile_context(LttvTracesetContext *self) |
dc877563 | 474 | { |
90e19f82 | 475 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 | 476 | } |
477 | ||
478 | ||
90e19f82 AM |
479 | static void traceset_context_instance_init(GTypeInstance *instance, |
480 | gpointer g_class) | |
dc877563 | 481 | { |
90e19f82 | 482 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 483 | } |
484 | ||
485 | ||
90e19f82 | 486 | static void traceset_context_finalize(LttvTracesetContext *self) |
dc877563 | 487 | { |
90e19f82 AM |
488 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
489 | ->finalize(G_OBJECT(self)); | |
dc877563 | 490 | } |
491 | ||
492 | ||
90e19f82 | 493 | static void traceset_context_class_init(LttvTracesetContextClass *klass) |
dc877563 | 494 | { |
90e19f82 AM |
495 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
496 | ||
497 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; | |
498 | klass->init = init; | |
499 | klass->fini = fini; | |
500 | klass->new_traceset_context = new_traceset_context; | |
501 | klass->new_trace_context = new_trace_context; | |
502 | klass->new_tracefile_context = new_tracefile_context; | |
dc877563 | 503 | } |
504 | ||
505 | ||
90e19f82 | 506 | GType lttv_traceset_context_get_type(void) |
dc877563 | 507 | { |
90e19f82 AM |
508 | static GType type = 0; |
509 | if (type == 0) { | |
510 | static const GTypeInfo info = { | |
511 | sizeof (LttvTracesetContextClass), | |
512 | NULL, /* base_init */ | |
513 | NULL, /* base_finalize */ | |
514 | (GClassInitFunc) traceset_context_class_init, /* class_init */ | |
515 | NULL, /* class_finalize */ | |
516 | NULL, /* class_data */ | |
517 | sizeof (LttvTracesetContext), | |
518 | 0, /* n_preallocs */ | |
519 | (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */ | |
520 | NULL /* Value handling */ | |
521 | }; | |
522 | ||
523 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", | |
524 | &info, 0); | |
525 | } | |
526 | return type; | |
dc877563 | 527 | } |
528 | ||
529 | ||
530 | static void | |
531 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) | |
532 | { | |
90e19f82 | 533 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 534 | } |
535 | ||
536 | ||
90e19f82 | 537 | static void trace_context_finalize (LttvTraceContext *self) |
dc877563 | 538 | { |
90e19f82 AM |
539 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
540 | finalize(G_OBJECT(self)); | |
dc877563 | 541 | } |
542 | ||
543 | ||
90e19f82 | 544 | static void trace_context_class_init (LttvTraceContextClass *klass) |
dc877563 | 545 | { |
90e19f82 | 546 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
dc877563 | 547 | |
90e19f82 | 548 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 | 549 | } |
550 | ||
551 | ||
90e19f82 | 552 | GType lttv_trace_context_get_type(void) |
dc877563 | 553 | { |
90e19f82 AM |
554 | static GType type = 0; |
555 | if (type == 0) { | |
556 | static const GTypeInfo info = { | |
557 | sizeof (LttvTraceContextClass), | |
558 | NULL, /* base_init */ | |
559 | NULL, /* base_finalize */ | |
560 | (GClassInitFunc) trace_context_class_init, /* class_init */ | |
561 | NULL, /* class_finalize */ | |
562 | NULL, /* class_data */ | |
563 | sizeof (LttvTraceContext), | |
564 | 0, /* n_preallocs */ | |
565 | (GInstanceInitFunc) trace_context_instance_init, /* instance_init */ | |
566 | NULL /* Value handling */ | |
567 | }; | |
568 | ||
569 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", | |
570 | &info, 0); | |
571 | } | |
572 | return type; | |
dc877563 | 573 | } |
574 | ||
575 | ||
90e19f82 AM |
576 | static void tracefile_context_instance_init (GTypeInstance *instance, |
577 | gpointer g_class) | |
dc877563 | 578 | { |
90e19f82 | 579 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 580 | } |
581 | ||
582 | ||
90e19f82 | 583 | static void tracefile_context_finalize (LttvTracefileContext *self) |
dc877563 | 584 | { |
90e19f82 AM |
585 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
586 | ->finalize(G_OBJECT(self)); | |
dc877563 | 587 | } |
588 | ||
589 | ||
90e19f82 | 590 | static void tracefile_context_class_init (LttvTracefileContextClass *klass) |
dc877563 | 591 | { |
90e19f82 | 592 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
dc877563 | 593 | |
90e19f82 | 594 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
ffd54a90 | 595 | } |
596 | ||
597 | ||
90e19f82 | 598 | GType lttv_tracefile_context_get_type(void) |
ffd54a90 | 599 | { |
90e19f82 AM |
600 | static GType type = 0; |
601 | if (type == 0) { | |
602 | static const GTypeInfo info = { | |
603 | sizeof (LttvTracefileContextClass), | |
604 | NULL, /* base_init */ | |
605 | NULL, /* base_finalize */ | |
606 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ | |
607 | NULL, /* class_finalize */ | |
608 | NULL, /* class_data */ | |
609 | sizeof (LttvTracefileContext), | |
610 | 0, /* n_preallocs */ | |
611 | (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */ | |
612 | NULL /* Value handling */ | |
613 | }; | |
614 | ||
615 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", | |
616 | &info, 0); | |
617 | } | |
618 | return type; | |
dc877563 | 619 | } |
620 | ||
621 | ||
dc877563 | 622 | |
6843100a | 623 | static gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
90e19f82 AM |
624 | g_assert(key == value); |
625 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; | |
626 | return TRUE; | |
dc877563 | 627 | } |
628 | ||
e7f5e89d | 629 | #ifdef DEBUG |
630 | // Test to see if pqueue is traversed in the right order. | |
631 | static LttTime test_time; | |
632 | ||
698e81c2 | 633 | static gboolean test_tree(gpointer key, gpointer value, gpointer user_data) { |
634 | ||
90e19f82 AM |
635 | LttvTracefileContext *tfc = (LttvTracefileContext *)key; |
636 | ||
637 | g_debug("Tracefile name %s, time %lu.%lu, tfi %u, ti %u", | |
638 | g_quark_to_string(ltt_tracefile_name(tfc->tf)), | |
639 | tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec, | |
640 | tfc->index, tfc->t_context->index); | |
641 | ||
642 | if(user_data != NULL) { | |
643 | if(((LttvTracefileContext *)user_data) == (LttvTracefileContext *)value) { | |
644 | g_assert(compare_tracefile(user_data, value) == 0); | |
645 | } else | |
646 | g_assert(compare_tracefile(user_data, value) != 0); | |
647 | } | |
648 | g_assert(ltt_time_compare(test_time, tfc->timestamp) <= 0); | |
649 | test_time.tv_sec = tfc->timestamp.tv_sec; | |
650 | test_time.tv_nsec = tfc->timestamp.tv_nsec; | |
651 | ||
652 | ||
653 | //g_assert(((LttvTracefileContext *)user_data) != (LttvTracefileContext *)value); | |
654 | return FALSE; | |
698e81c2 | 655 | } |
e7f5e89d | 656 | #endif //DEBUG |
698e81c2 | 657 | |
658 | ||
dc877563 | 659 | |
8697a616 | 660 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
90e19f82 AM |
661 | LttvHooks *before_traceset, |
662 | LttvHooks *before_trace, | |
663 | LttvHooks *before_tracefile, | |
664 | LttvHooks *event, | |
665 | LttvHooksByIdChannelArray *event_by_id_channel) | |
8697a616 | 666 | { |
dc877563 | 667 | |
90e19f82 AM |
668 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
669 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ | |
670 | lttv_traceset_context_add_hooks(self, | |
671 | before_traceset, | |
672 | before_trace, | |
673 | before_tracefile, | |
674 | event, | |
675 | event_by_id_channel); | |
676 | ||
2a2fa4f0 | 677 | } |
678 | ||
bd4c3eca | 679 | //enum read_state { LAST_NONE, LAST_OK, LAST_EMPTY }; |
36d36c9f | 680 | |
8697a616 | 681 | /* Note : a _middle must be preceded from a _seek or another middle */ |
682 | guint lttv_process_traceset_middle(LttvTracesetContext *self, | |
90e19f82 AM |
683 | LttTime end, |
684 | gulong nb_events, | |
685 | const LttvTracesetContextPosition *end_position) | |
2a2fa4f0 | 686 | { |
922581a4 YB |
687 | |
688 | unsigned count = 0; | |
689 | ||
556b540a | 690 | struct bt_ctf_event *bt_event; |
922581a4 | 691 | |
556b540a | 692 | LttvEvent event; |
556b540a | 693 | |
922581a4 YB |
694 | while(TRUE) { |
695 | ||
696 | if((count >= nb_events) && (nb_events != G_MAXULONG)) { | |
697 | break; | |
698 | } | |
699 | ||
556b540a | 700 | if((bt_event = bt_ctf_iter_read_event(self->iter)) != NULL) { |
922581a4 YB |
701 | |
702 | count++; | |
703 | ||
556b540a | 704 | event.bt_event = bt_event; |
f826ad80 YB |
705 | /* TODO ybrosseau 2012-04-01: use bt_ctf_get_trace_handle |
706 | to retrieve the right state container */ | |
707 | event.state = self->tmpState; | |
708 | ||
556b540a | 709 | lttv_hooks_call(self->event_hooks, &event); |
922581a4 YB |
710 | |
711 | if(bt_iter_next(bt_ctf_get_iter(self->iter)) < 0) { | |
712 | printf("ERROR NEXT\n"); | |
713 | break; | |
714 | } | |
715 | } else { | |
716 | /* READ FAILED */ | |
717 | ||
718 | break; | |
719 | ||
720 | } | |
721 | } | |
722 | ||
723 | ||
724 | ||
725 | return count; | |
726 | #ifdef BABEL_CLEANUP | |
90e19f82 AM |
727 | GTree *pqueue = self->pqueue; |
728 | ||
729 | LttvTracefileContext *tfc; | |
730 | ||
731 | LttEvent *e; | |
732 | ||
733 | unsigned count = 0; | |
734 | ||
3667f07d YB |
735 | gboolean is_live = FALSE; /* set this flag if we detect a live trace */ |
736 | ||
90e19f82 AM |
737 | guint read_ret; |
738 | ||
739 | //enum read_state last_read_state = LAST_NONE; | |
740 | ||
741 | gint last_ret = 0; /* return value of the last hook list called */ | |
742 | ||
743 | /* Get the next event from the pqueue, call its hooks, | |
744 | reinsert in the pqueue the following event from the same tracefile | |
745 | unless the tracefile is finished or the event is later than the | |
746 | end time. */ | |
747 | ||
748 | while(TRUE) { | |
749 | tfc = NULL; | |
750 | g_tree_foreach(pqueue, get_first, &tfc); | |
751 | /* End of traceset : tfc is NULL */ | |
752 | if(unlikely(tfc == NULL)) | |
753 | { | |
3667f07d | 754 | break; |
90e19f82 AM |
755 | } |
756 | ||
757 | /* Have we reached : | |
758 | * - the maximum number of events specified? | |
759 | * - the end position ? | |
760 | * - the end time ? | |
761 | * then the read is finished. We leave the queue in the same state and | |
762 | * break the loop. | |
763 | */ | |
3667f07d YB |
764 | if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0) { |
765 | ||
766 | break; | |
767 | } | |
90e19f82 AM |
768 | if(unlikely(last_ret == TRUE |
769 | || ((count >= nb_events) && (nb_events != G_MAXULONG)) | |
770 | || (end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self, | |
771 | end_position) == 0) | |
772 | || ltt_time_compare(end, tfc->timestamp) <= 0)) | |
773 | { | |
3667f07d | 774 | break; |
90e19f82 AM |
775 | } |
776 | ||
777 | /* Get the tracefile with an event for the smallest time found. If two | |
778 | or more tracefiles have events for the same time, hope that lookup | |
779 | and remove are consistent. */ | |
1986f254 | 780 | |
781 | #ifdef DEBUG | |
90e19f82 AM |
782 | test_time.tv_sec = 0; |
783 | test_time.tv_nsec = 0; | |
784 | g_debug("test tree before remove"); | |
785 | g_tree_foreach(pqueue, test_tree, tfc); | |
1986f254 | 786 | #endif //DEBUG |
90e19f82 | 787 | g_tree_remove(pqueue, tfc); |
698e81c2 | 788 | |
1986f254 | 789 | #ifdef DEBUG |
90e19f82 AM |
790 | test_time.tv_sec = 0; |
791 | test_time.tv_nsec = 0; | |
792 | g_debug("test tree after remove"); | |
793 | g_tree_foreach(pqueue, test_tree, tfc); | |
1986f254 | 794 | #endif //DEBUG |
77199e93 | 795 | |
bd4c3eca | 796 | |
90e19f82 | 797 | e = ltt_tracefile_get_event(tfc->tf); |
dc877563 | 798 | |
90e19f82 AM |
799 | //if(last_read_state != LAST_EMPTY) { |
800 | /* Only call hooks if the last read has given an event or if we are at the | |
801 | * first pass (not if last read returned end of tracefile) */ | |
802 | count++; | |
803 | ||
804 | tfc->target_pid = -1; /* unset target PID */ | |
805 | /* Hooks : | |
806 | * return values : 0 : continue read, 1 : go to next position and stop read, | |
807 | * 2 : stay at the current position and stop read */ | |
808 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, | |
809 | lttv_hooks_by_id_get(tfc->event_by_id, e->event_id), tfc); | |
1fae3dd3 | 810 | |
aaecaa99 | 811 | #if 0 |
90e19f82 AM |
812 | /* This is buggy : it won't work well with state computation */ |
813 | if(unlikely(last_ret == 2)) { | |
814 | /* This is a case where we want to stay at this position and stop read. */ | |
815 | g_tree_insert(pqueue, tfc, tfc); | |
3667f07d YB |
816 | count--; |
817 | break; | |
90e19f82 | 818 | } |
aaecaa99 | 819 | #endif //0 |
90e19f82 AM |
820 | read_ret = ltt_tracefile_read(tfc->tf); |
821 | ||
822 | ||
823 | if(likely(!read_ret)) { | |
824 | //g_debug("An event is ready"); | |
825 | tfc->timestamp = ltt_event_time(e); | |
3667f07d YB |
826 | |
827 | ||
90e19f82 AM |
828 | g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0); |
829 | g_tree_insert(pqueue, tfc, tfc); | |
3667f07d YB |
830 | if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0) |
831 | { | |
832 | is_live |= TRUE; | |
833 | break; | |
834 | } | |
e7f5e89d | 835 | #ifdef DEBUG |
90e19f82 AM |
836 | test_time.tv_sec = 0; |
837 | test_time.tv_nsec = 0; | |
838 | g_debug("test tree after event ready"); | |
839 | g_tree_foreach(pqueue, test_tree, NULL); | |
e7f5e89d | 840 | #endif //DEBUG |
841 | ||
90e19f82 AM |
842 | //last_read_state = LAST_OK; |
843 | } else { | |
844 | tfc->timestamp = ltt_time_infinite; | |
845 | ||
846 | if(read_ret == ERANGE) { | |
847 | // last_read_state = LAST_EMPTY; | |
848 | g_debug("End of trace"); | |
849 | } else | |
850 | g_error("Error happened in lttv_process_traceset_middle"); | |
851 | } | |
852 | } | |
3667f07d YB |
853 | |
854 | if (unlikely((count == 0) && is_live)) { | |
855 | return -1; | |
856 | } else { | |
857 | return count; | |
858 | } | |
922581a4 YB |
859 | |
860 | #endif /* BABEL_CLEANUP */ | |
2a2fa4f0 | 861 | } |
862 | ||
863 | ||
8697a616 | 864 | void lttv_process_traceset_end(LttvTracesetContext *self, |
90e19f82 AM |
865 | LttvHooks *after_traceset, |
866 | LttvHooks *after_trace, | |
867 | LttvHooks *after_tracefile, | |
868 | LttvHooks *event, | |
869 | LttvHooksByIdChannelArray *event_by_id_channel) | |
2a2fa4f0 | 870 | { |
90e19f82 AM |
871 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
872 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ | |
873 | lttv_traceset_context_remove_hooks(self, | |
874 | after_traceset, | |
875 | after_trace, | |
876 | after_tracefile, | |
877 | event, | |
878 | event_by_id_channel); | |
8697a616 | 879 | } |
2a2fa4f0 | 880 | |
27304273 | 881 | /* Subtile modification : |
882 | * if tracefile has no event at or after the time requested, it is not put in | |
348c6ba8 | 883 | * the queue, as the next read would fail. |
884 | * | |
885 | * Don't forget to empty the traceset pqueue before calling this. | |
886 | */ | |
8697a616 | 887 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
888 | { | |
90e19f82 AM |
889 | guint i, nb_tracefile; |
890 | ||
891 | gint ret; | |
892 | ||
893 | LttvTracefileContext **tfc; | |
2a2fa4f0 | 894 | |
90e19f82 | 895 | nb_tracefile = self->tracefiles->len; |
2a2fa4f0 | 896 | |
90e19f82 | 897 | GTree *pqueue = self->ts_context->pqueue; |
dc877563 | 898 | |
90e19f82 AM |
899 | for(i = 0 ; i < nb_tracefile ; i++) { |
900 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
e7f5e89d | 901 | |
90e19f82 | 902 | g_tree_remove(pqueue, *tfc); |
77199e93 | 903 | |
90e19f82 AM |
904 | ret = ltt_tracefile_seek_time((*tfc)->tf, start); |
905 | if(ret == EPERM) g_error("error in lttv_process_trace_seek_time seek"); | |
27304273 | 906 | |
90e19f82 AM |
907 | if(ret == 0) { /* not ERANGE especially */ |
908 | (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf)); | |
909 | g_assert(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0); | |
910 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
911 | } else { | |
912 | (*tfc)->timestamp = ltt_time_infinite; | |
913 | } | |
914 | } | |
e7f5e89d | 915 | #ifdef DEBUG |
90e19f82 AM |
916 | test_time.tv_sec = 0; |
917 | test_time.tv_nsec = 0; | |
918 | g_debug("test tree after seek_time"); | |
919 | g_tree_foreach(pqueue, test_tree, NULL); | |
e7f5e89d | 920 | #endif //DEBUG |
8697a616 | 921 | } |
dc877563 | 922 | |
3667f07d YB |
923 | /**************************************************************************** |
924 | * lttv_process_trace_update | |
925 | * | |
926 | * process the changes that occur in the trace. Use a regular file polling to | |
927 | * monitor the tracefile. | |
928 | * | |
929 | * Return the number of tracefile updated | |
930 | ***************************************************************************/ | |
931 | guint lttv_process_trace_update(LttvTraceContext *self) | |
932 | { | |
933 | guint i; | |
934 | guint nb_tracefile = 0; | |
935 | ||
936 | LttTracefile *tf = 0; | |
937 | LttvTracefileContext **tfc; | |
938 | ||
939 | /* Skip non live traces */ | |
940 | if(self->t->is_live) { | |
941 | ||
942 | nb_tracefile = ltt_trace_update(self->t); | |
943 | ||
944 | /* Recreate the pqueue following an update*/ | |
945 | GTree *pqueue = self->ts_context->pqueue; | |
946 | ||
947 | for(i = 0 ; i < self->tracefiles->len ; i++) { | |
948 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
949 | tf = (*tfc)->tf; | |
950 | if(g_tree_remove(pqueue, *tfc) == FALSE) { | |
951 | if(tf->buf_index != NULL) { | |
952 | ||
953 | if(ltt_tracefile_read(tf) == 0) { | |
954 | ||
955 | (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf)); | |
956 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
957 | ||
958 | } | |
959 | } | |
960 | } else { | |
961 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
962 | ||
963 | } | |
964 | ||
965 | ||
966 | } | |
967 | //Update self time span | |
968 | self->time_span.end_time = LTT_TIME_MAX(self->t->live_safe_timestamp, | |
969 | self->time_span.end_time); | |
970 | //Update self tscontext time span | |
971 | self->ts_context->time_span.end_time = LTT_TIME_MAX(self->time_span.end_time, | |
972 | self->ts_context->time_span.end_time); | |
973 | } | |
974 | return nb_tracefile; | |
975 | ||
976 | } | |
977 | ||
978 | /**************************************************************************** | |
979 | * lttv_process_traceset_update | |
980 | * | |
981 | * process the changes that occur in the traceset. | |
982 | * | |
983 | * Return the number of file presently monitor(open for writting). If 0, the | |
984 | * current traceset probably received all the data. | |
985 | ***************************************************************************/ | |
986 | guint lttv_process_traceset_update(LttvTracesetContext *self) | |
987 | { | |
988 | guint i; | |
989 | guint nb_trace; | |
990 | guint open_counter = 0; | |
991 | ||
992 | nb_trace = lttv_traceset_number(self->ts); | |
993 | ||
994 | for(i = 0 ; i < nb_trace ; i++) { | |
995 | open_counter += lttv_process_trace_update(self->traces[i]); | |
996 | } | |
997 | return open_counter; | |
998 | } | |
2a2fa4f0 | 999 | |
8697a616 | 1000 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
922581a4 YB |
1001 | { |
1002 | #ifdef WAIT_FOR_BABELTRACE_FIX_SEEK_ZERO | |
1003 | struct bt_iter_pos seekpos; | |
1004 | int ret; | |
1005 | seekpos.type = BT_SEEK_TIME; | |
1006 | seekpos.u.seek_time = ltt_time_to_uint64(start); | |
1007 | ret = bt_iter_set_pos(bt_ctf_get_iter(self->iter), &seekpos); | |
1008 | if(ret < 0) { | |
1009 | printf("Seek by time error: %s,\n",strerror(-ret)); | |
1010 | } | |
1011 | #else | |
1012 | #warning Seek time disabled because of babeltrace bugs | |
1013 | #endif | |
1014 | ||
1015 | #ifdef BABEL_CLEANUP | |
90e19f82 | 1016 | guint i, nb_trace; |
2a2fa4f0 | 1017 | |
922581a4 YB |
1018 | |
1019 | ||
90e19f82 | 1020 | LttvTraceContext *tc; |
2a2fa4f0 | 1021 | |
90e19f82 AM |
1022 | //g_tree_destroy(self->pqueue); |
1023 | //self->pqueue = g_tree_new(compare_tracefile); | |
348c6ba8 | 1024 | |
90e19f82 AM |
1025 | nb_trace = lttv_traceset_number(self->ts); |
1026 | for(i = 0 ; i < nb_trace ; i++) { | |
1027 | tc = self->traces[i]; | |
1028 | lttv_process_trace_seek_time(tc, start); | |
1029 | } | |
922581a4 | 1030 | #endif |
dc877563 | 1031 | } |
b445142a | 1032 | |
308711e5 | 1033 | |
8697a616 | 1034 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
90e19f82 | 1035 | const LttvTracesetContextPosition *pos) |
308711e5 | 1036 | { |
90e19f82 AM |
1037 | guint i; |
1038 | /* If a position is set, seek the traceset to this position */ | |
1039 | if(ltt_time_compare(pos->timestamp, ltt_time_infinite) != 0) { | |
1040 | ||
1041 | /* Test to see if the traces has been added to the trace set : | |
1042 | * It should NEVER happen. Clear all positions if a new trace comes in. */ | |
1043 | /* FIXME I know this test is not optimal : should keep a number of | |
1044 | * tracefiles variable in the traceset.. eventually */ | |
1045 | guint num_traces = lttv_traceset_number(self->ts); | |
1046 | guint tf_count = 0; | |
1047 | for(i=0; i<num_traces;i++) { | |
1048 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1049 | guint j; | |
1050 | guint num_tracefiles = tracefiles->len; | |
1051 | for(j=0;j<num_tracefiles;j++) | |
1052 | tf_count++; | |
1053 | } | |
1054 | g_assert(tf_count == pos->tfcp->len); | |
1055 | ||
1056 | ||
1057 | //g_tree_destroy(self->pqueue); | |
1058 | //self->pqueue = g_tree_new(compare_tracefile); | |
1059 | ||
1060 | for(i=0;i<pos->tfcp->len; i++) { | |
1061 | LttvTracefileContextPosition *tfcp = | |
1062 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1063 | ||
1064 | g_tree_remove(self->pqueue, tfcp->tfc); | |
1065 | ||
1066 | if(tfcp->used == TRUE) { | |
1067 | if(ltt_tracefile_seek_position(tfcp->tfc->tf, tfcp->event) != 0) | |
1068 | return 1; | |
1069 | tfcp->tfc->timestamp = | |
1070 | ltt_event_time(ltt_tracefile_get_event(tfcp->tfc->tf)); | |
1071 | g_assert(ltt_time_compare(tfcp->tfc->timestamp, | |
1072 | ltt_time_infinite) != 0); | |
1073 | g_tree_insert(self->pqueue, tfcp->tfc, tfcp->tfc); | |
1074 | ||
1075 | } else { | |
1076 | tfcp->tfc->timestamp = ltt_time_infinite; | |
1077 | } | |
1078 | } | |
1079 | } | |
e7f5e89d | 1080 | #ifdef DEBUG |
90e19f82 AM |
1081 | test_time.tv_sec = 0; |
1082 | test_time.tv_nsec = 0; | |
1083 | g_debug("test tree after seek_position"); | |
1084 | g_tree_foreach(self->pqueue, test_tree, NULL); | |
e7f5e89d | 1085 | #endif //DEBUG |
1086 | ||
1087 | ||
1088 | ||
90e19f82 | 1089 | return 0; |
308711e5 | 1090 | } |
1091 | ||
1092 | ||
f57fd845 | 1093 | #if 0 // pmf: temporary disable |
b445142a | 1094 | static LttField * |
eed2ef37 | 1095 | find_field(LttEventType *et, const GQuark field) |
b445142a | 1096 | { |
90e19f82 AM |
1097 | LttField *f; |
1098 | ||
1099 | if(field == 0) return NULL; | |
1100 | ||
1101 | f = ltt_eventtype_field_by_name(et, field); | |
1102 | if (!f) { | |
1103 | g_warning("Cannot find field %s in event %s.%s", g_quark_to_string(field), | |
1104 | g_quark_to_string(ltt_facility_name(ltt_eventtype_facility(et))), | |
1105 | g_quark_to_string(ltt_eventtype_name(et))); | |
1106 | } | |
1107 | ||
1108 | return f; | |
b445142a | 1109 | } |
f57fd845 | 1110 | #endif |
b445142a | 1111 | |
f57fd845 | 1112 | struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th) |
eed2ef37 | 1113 | { |
90e19f82 | 1114 | return marker_get_info_from_id(th->mdata, th->id); |
eed2ef37 | 1115 | } |
1116 | ||
750eb11a | 1117 | int lttv_trace_find_hook(LttTrace *t, GQuark channel_name, GQuark event_name, |
90e19f82 AM |
1118 | GQuark fields[], LttvHook h, gpointer hook_data, |
1119 | GArray **trace_hooks) | |
b445142a | 1120 | { |
90e19f82 AM |
1121 | struct marker_info *info; |
1122 | guint16 marker_id; | |
1123 | int init_array_size; | |
1124 | GArray *group; | |
1125 | struct marker_data *mdata; | |
1126 | ||
1127 | group = g_datalist_id_get_data(&t->tracefiles, channel_name); | |
1128 | if (unlikely(!group || group->len == 0)) { | |
1129 | g_info("No channel for marker named %s.%s found", | |
1130 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1131 | return 1; | |
1132 | } | |
1133 | ||
1134 | mdata = g_array_index (group, LttTracefile, 0).mdata; | |
1135 | info = marker_get_info_from_name(mdata, event_name); | |
1136 | if(unlikely(info == NULL)) { | |
1137 | g_info("No marker named %s.%s found", | |
1138 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1139 | return 1; | |
1140 | } | |
1141 | ||
1142 | init_array_size = (*trace_hooks)->len; | |
1143 | ||
1144 | /* for each marker with the requested name */ | |
1145 | do { | |
1146 | LttvTraceHook tmpth; | |
1147 | int found; | |
1148 | GQuark *f; | |
1149 | struct marker_field *marker_field; | |
1150 | ||
1151 | marker_id = marker_get_id_from_info(mdata, info); | |
1152 | ||
1153 | tmpth.h = h; | |
1154 | tmpth.mdata = mdata; | |
1155 | tmpth.channel = channel_name; | |
1156 | tmpth.id = marker_id; | |
1157 | tmpth.hook_data = hook_data; | |
1158 | tmpth.fields = g_ptr_array_new(); | |
1159 | ||
1160 | /* for each field requested */ | |
1161 | for(f = fields; f && *f != 0; f++) { | |
1162 | found = 0; | |
1163 | for_each_marker_field(marker_field, info) { | |
1164 | if(marker_field->name == *f) { | |
1165 | found = 1; | |
1166 | g_ptr_array_add(tmpth.fields, marker_field); | |
1167 | break; | |
1168 | } | |
1169 | } | |
1170 | if(!found) { | |
1171 | /* Did not find the one of the fields in this instance of the | |
1172 | marker. Print a warning and skip this marker completely. | |
1173 | Still iterate on other markers with same name. */ | |
1174 | g_ptr_array_free(tmpth.fields, TRUE); | |
1175 | g_info("Field %s cannot be found in marker %s.%s", | |
1176 | g_quark_to_string(*f), g_quark_to_string(channel_name), | |
1177 | g_quark_to_string(event_name)); | |
1178 | goto skip_marker; | |
1179 | } | |
1180 | } | |
1181 | /* all fields were found: add the tracehook to the array */ | |
1182 | *trace_hooks = g_array_append_val(*trace_hooks, tmpth); | |
6418800d | 1183 | skip_marker: |
90e19f82 AM |
1184 | info = info->next; |
1185 | } while(info != NULL); | |
1186 | ||
1187 | /* Error if no new trace hook has been added */ | |
1188 | if (init_array_size == (*trace_hooks)->len) { | |
1189 | g_info("No marker of name %s.%s has all requested fields", | |
1190 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1191 | return 1; | |
1192 | } | |
1193 | return 0; | |
eed2ef37 | 1194 | } |
1195 | ||
032ba5da | 1196 | void lttv_trace_hook_remove_all(GArray **th) |
eed2ef37 | 1197 | { |
90e19f82 AM |
1198 | int i; |
1199 | for(i=0; i<(*th)->len; i++) { | |
1200 | g_ptr_array_free(g_array_index(*th, LttvTraceHook, i).fields, TRUE); | |
1201 | } | |
1202 | if((*th)->len) | |
1203 | *th = g_array_remove_range(*th, 0, (*th)->len); | |
b445142a | 1204 | } |
1205 | ||
90e19f82 AM |
1206 | LttvTracesetContextPosition * |
1207 | lttv_traceset_context_position_new(const LttvTracesetContext *self) | |
5e2c04a2 | 1208 | { |
90e19f82 AM |
1209 | guint num_traces = lttv_traceset_number(self->ts); |
1210 | guint tf_count = 0; | |
1211 | guint i; | |
1212 | ||
1213 | for(i=0; i<num_traces;i++) { | |
1214 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1215 | guint j; | |
1216 | guint num_tracefiles = tracefiles->len; | |
1217 | for(j=0;j<num_tracefiles;j++) | |
1218 | tf_count++; | |
1219 | } | |
1220 | LttvTracesetContextPosition *pos = g_new(LttvTracesetContextPosition, 1); | |
1221 | pos->tfcp = g_array_sized_new(FALSE, TRUE, | |
1222 | sizeof(LttvTracefileContextPosition), | |
1223 | tf_count); | |
1224 | g_array_set_size(pos->tfcp, tf_count); | |
1225 | for(i=0;i<pos->tfcp->len;i++) { | |
1226 | LttvTracefileContextPosition *tfcp = | |
1227 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1228 | tfcp->event = ltt_event_position_new(); | |
1229 | } | |
1230 | ||
1231 | pos->timestamp = ltt_time_infinite; | |
1232 | return pos; | |
5e2c04a2 | 1233 | } |
1234 | ||
3054461a | 1235 | /* Save all positions, the ones with infinite time will have NULL |
1986f254 | 1236 | * ep. */ |
9ba3aaaf | 1237 | /* note : a position must be destroyed when a trace is added/removed from a |
1238 | * traceset */ | |
27304273 | 1239 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
90e19f82 | 1240 | LttvTracesetContextPosition *pos) |
27304273 | 1241 | { |
90e19f82 AM |
1242 | guint i; |
1243 | guint num_traces = lttv_traceset_number(self->ts); | |
1244 | guint tf_count = 0; | |
1245 | ||
1246 | pos->timestamp = ltt_time_infinite; | |
1247 | ||
1248 | for(i=0; i<num_traces;i++) { | |
1249 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1250 | guint j; | |
1251 | guint num_tracefiles = tracefiles->len; | |
1252 | ||
1253 | for(j=0;j<num_tracefiles;j++) { | |
1254 | g_assert(tf_count < pos->tfcp->len); | |
1255 | LttvTracefileContext **tfc = &g_array_index(tracefiles, | |
1256 | LttvTracefileContext*, j); | |
1257 | LttvTracefileContextPosition *tfcp = | |
1258 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, tf_count); | |
1259 | ||
1260 | tfcp->tfc = *tfc; | |
1261 | ||
1262 | if(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0) { | |
1263 | LttEvent *event = ltt_tracefile_get_event((*tfc)->tf); | |
1264 | ltt_event_position(event, tfcp->event); | |
1265 | if(ltt_time_compare((*tfc)->timestamp, pos->timestamp) < 0) | |
1266 | pos->timestamp = (*tfc)->timestamp; | |
1267 | tfcp->used = TRUE; | |
1268 | } else { | |
1269 | tfcp->used = FALSE; | |
1270 | } | |
1271 | ||
1272 | //g_array_append_val(pos->tfc, *tfc); | |
1273 | //g_array_append_val(pos->ep, ep); | |
1274 | tf_count++; | |
1275 | } | |
1276 | ||
1277 | } | |
8697a616 | 1278 | } |
1279 | ||
1280 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) | |
1281 | { | |
90e19f82 AM |
1282 | int i; |
1283 | ||
1284 | for(i=0;i<pos->tfcp->len;i++) { | |
1285 | LttvTracefileContextPosition *tfcp = | |
1286 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1287 | g_free(tfcp->event); | |
1288 | tfcp->event = NULL; | |
1289 | tfcp->used = FALSE; | |
1290 | } | |
1291 | g_array_free(pos->tfcp, TRUE); | |
1292 | g_free(pos); | |
8697a616 | 1293 | } |
1294 | ||
5e2c04a2 | 1295 | void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest, |
90e19f82 | 1296 | const LttvTracesetContextPosition *src) |
5e2c04a2 | 1297 | { |
90e19f82 AM |
1298 | int i; |
1299 | LttvTracefileContextPosition *src_tfcp, *dest_tfcp; | |
1300 | ||
1301 | g_assert(src->tfcp->len == dest->tfcp->len); | |
1302 | ||
1303 | for(i=0;i<src->tfcp->len;i++) { | |
1304 | src_tfcp = | |
1305 | &g_array_index(src->tfcp, LttvTracefileContextPosition, i); | |
1306 | dest_tfcp = | |
1307 | &g_array_index(dest->tfcp, LttvTracefileContextPosition, i); | |
1308 | ||
1309 | dest_tfcp->used = src_tfcp->used; | |
1310 | dest_tfcp->tfc = src_tfcp->tfc; | |
1311 | ||
1312 | if(src_tfcp->used) { | |
1313 | ltt_event_position_copy( | |
1314 | dest_tfcp->event, | |
1315 | src_tfcp->event); | |
1316 | } | |
1317 | } | |
1318 | dest->timestamp = src->timestamp; | |
5e2c04a2 | 1319 | } |
1320 | ||
8697a616 | 1321 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
90e19f82 | 1322 | const LttvTracesetContextPosition *pos) |
8697a616 | 1323 | { |
90e19f82 AM |
1324 | int i; |
1325 | int ret = 0; | |
1326 | ||
1327 | if(pos->tfcp->len == 0) { | |
1328 | if(lttv_traceset_number(self->ts) == 0) return 0; | |
1329 | else return 1; | |
1330 | } | |
1331 | if(lttv_traceset_number(self->ts) == 0) | |
1332 | return -1; | |
1333 | ||
1334 | for(i=0;i<pos->tfcp->len;i++) { | |
1335 | LttvTracefileContextPosition *tfcp = | |
1336 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1337 | ||
1338 | if(tfcp->used == FALSE) { | |
1339 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) < 0) { | |
1340 | ret = -1; | |
1341 | } | |
1342 | } else { | |
1343 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) == 0) { | |
1344 | ret = 1; | |
1345 | } else { | |
1346 | LttEvent *event = ltt_tracefile_get_event(tfcp->tfc->tf); | |
1347 | ||
1348 | ret = ltt_event_position_compare((LttEventPosition*)event, | |
1349 | tfcp->event); | |
1350 | } | |
1351 | } | |
1352 | if(ret != 0) return ret; | |
1353 | ||
1354 | } | |
1355 | return 0; | |
8697a616 | 1356 | } |
1357 | ||
1358 | ||
90e19f82 AM |
1359 | gint |
1360 | lttv_traceset_context_pos_pos_compare(const LttvTracesetContextPosition *pos1, | |
1361 | const LttvTracesetContextPosition *pos2) | |
8697a616 | 1362 | { |
90e19f82 AM |
1363 | int i, j; |
1364 | int ret = 0; | |
1365 | ||
1366 | if(ltt_time_compare(pos1->timestamp, ltt_time_infinite) == 0) { | |
1367 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) | |
1368 | return 0; | |
1369 | else | |
1370 | return 1; | |
1371 | } | |
1372 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) | |
1373 | return -1; | |
1374 | ||
1375 | for(i=0;i<pos1->tfcp->len;i++) { | |
1376 | LttvTracefileContextPosition *tfcp1 = | |
1377 | &g_array_index(pos1->tfcp, LttvTracefileContextPosition, i); | |
1378 | ||
1379 | if(tfcp1->used == TRUE) { | |
1380 | for(j=0;j<pos2->tfcp->len;j++) { | |
1381 | LttvTracefileContextPosition *tfcp2 = | |
1382 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1383 | ||
1384 | if(tfcp1->tfc == tfcp2->tfc) { | |
1385 | if(tfcp2->used == TRUE) | |
1386 | ret = ltt_event_position_compare(tfcp1->event, tfcp2->event); | |
1387 | else | |
1388 | ret = -1; | |
1389 | ||
1390 | if(ret != 0) return ret; | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | } else { | |
1395 | for(j=0;j<pos2->tfcp->len;j++) { | |
1396 | LttvTracefileContextPosition *tfcp2 = | |
1397 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1398 | ||
1399 | if(tfcp1->tfc == tfcp2->tfc) | |
1400 | if(tfcp2->used == TRUE) ret = 1; | |
1401 | if(ret != 0) return ret; | |
1402 | } | |
1403 | } | |
1404 | } | |
1405 | return 0; | |
8697a616 | 1406 | } |
1407 | ||
1408 | ||
90e19f82 AM |
1409 | LttTime |
1410 | lttv_traceset_context_position_get_time(const LttvTracesetContextPosition *pos) | |
2d262115 | 1411 | { |
90e19f82 | 1412 | return pos->timestamp; |
2d262115 | 1413 | } |
1414 | ||
1415 | ||
90e19f82 AM |
1416 | LttvTracefileContext * |
1417 | lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) | |
2d262115 | 1418 | { |
90e19f82 AM |
1419 | GTree *pqueue = self->pqueue; |
1420 | LttvTracefileContext *tfc = NULL; | |
2d262115 | 1421 | |
90e19f82 | 1422 | g_tree_foreach(pqueue, get_first, &tfc); |
2d262115 | 1423 | |
90e19f82 | 1424 | return tfc; |
2d262115 | 1425 | } |
18c87975 | 1426 | |
2c82c4dc | 1427 | /* lttv_process_traceset_synchronize_tracefiles |
1428 | * | |
1429 | * Use the sync_position field of the trace set context to synchronize each | |
1430 | * tracefile with the previously saved position. | |
1431 | * | |
1432 | * If no previous position has been saved, it simply does nothing. | |
1433 | */ | |
1434 | void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc) | |
1435 | { | |
90e19f82 | 1436 | int retval; |
8f318283 | 1437 | |
90e19f82 AM |
1438 | retval= lttv_process_traceset_seek_position(tsc, tsc->sync_position); |
1439 | g_assert_cmpint(retval, ==, 0); | |
2c82c4dc | 1440 | } |
1441 | ||
1442 | ||
1443 | ||
1444 | ||
1445 | void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc) | |
1446 | { | |
90e19f82 | 1447 | lttv_traceset_context_position_save(tsc, tsc->sync_position); |
2c82c4dc | 1448 | } |
1449 | ||
0bd2f89c | 1450 | struct seek_back_data { |
90e19f82 AM |
1451 | guint first_event; /* Index of the first event in the array : we will always |
1452 | overwrite at this position : this is a circular array. | |
1453 | */ | |
1454 | guint events_found; | |
1455 | guint n; /* number of events requested */ | |
1456 | GPtrArray *array; /* array of LttvTracesetContextPositions pointers */ | |
1457 | LttvFilter *filter1; | |
1458 | LttvFilter *filter2; | |
1459 | LttvFilter *filter3; | |
1460 | gpointer data; | |
1461 | check_handler *check; | |
1462 | gboolean *stop_flag; | |
1463 | guint raw_event_count; | |
0bd2f89c | 1464 | }; |
1465 | ||
1466 | static gint seek_back_event_hook(void *hook_data, void* call_data) | |
1467 | { | |
90e19f82 AM |
1468 | struct seek_back_data *sd = (struct seek_back_data*)hook_data; |
1469 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; | |
1470 | LttvTracesetContext *tsc = tfc->t_context->ts_context; | |
1471 | LttvTracesetContextPosition *pos; | |
1472 | ||
1473 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) | |
1474 | return TRUE; | |
1475 | sd->raw_event_count++; | |
1476 | ||
1477 | if(sd->filter1 != NULL && sd->filter1->head != NULL && | |
1478 | !lttv_filter_tree_parse(sd->filter1->head, | |
1479 | ltt_tracefile_get_event(tfc->tf), | |
1480 | tfc->tf, | |
1481 | tfc->t_context->t, | |
1482 | tfc,NULL,NULL)) { | |
1483 | return FALSE; | |
1484 | } | |
1485 | if(sd->filter2 != NULL && sd->filter2->head != NULL && | |
1486 | !lttv_filter_tree_parse(sd->filter2->head, | |
1487 | ltt_tracefile_get_event(tfc->tf), | |
1488 | tfc->tf, | |
1489 | tfc->t_context->t, | |
1490 | tfc,NULL,NULL)) { | |
1491 | return FALSE; | |
1492 | } | |
1493 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1494 | !lttv_filter_tree_parse(sd->filter3->head, | |
1495 | ltt_tracefile_get_event(tfc->tf), | |
1496 | tfc->tf, | |
1497 | tfc->t_context->t, | |
1498 | tfc,NULL,NULL)) { | |
1499 | return FALSE; | |
1500 | } | |
1501 | ||
1502 | pos = (LttvTracesetContextPosition*)g_ptr_array_index (sd->array, | |
1503 | sd->first_event); | |
1504 | ||
1505 | lttv_traceset_context_position_save(tsc, pos); | |
1506 | ||
1507 | if(sd->first_event >= sd->array->len - 1) sd->first_event = 0; | |
1508 | else sd->first_event++; | |
1509 | ||
1510 | sd->events_found = min(sd->n, sd->events_found + 1); | |
1511 | ||
1512 | return FALSE; | |
0bd2f89c | 1513 | } |
1514 | ||
0bd2f89c | 1515 | /* Seek back n events back from the current position. |
1516 | * | |
1517 | * Parameters : | |
1518 | * @self The trace set context | |
1519 | * @n number of events to jump over | |
9ba3aaaf | 1520 | * @first_offset The initial offset value used. |
33e44b82 | 1521 | * never put first_offset at ltt_time_zero. |
1522 | * @time_seeker Function pointer of the function to use to seek time : | |
1523 | * either lttv_process_traceset_seek_time | |
1524 | * or lttv_state_traceset_seek_time_closest | |
1525 | * @filter The filter to call. | |
0bd2f89c | 1526 | * |
1527 | * Return value : the number of events found (might be lower than the number | |
1528 | * requested if beginning of traceset is reached). | |
1529 | * | |
1530 | * The first search will go back first_offset and try to find the last n events | |
1531 | * matching the filter. If there are not enough, it will try to go back from the | |
1532 | * new trace point from first_offset*2, and so on, until beginning of trace or n | |
1533 | * events are found. | |
1534 | * | |
1535 | * Note : this function does not take in account the LttvFilter : use the | |
1536 | * similar function found in state.c instead. | |
1537 | * | |
1538 | * Note2 : the caller must make sure that the LttvTracesetContext does not | |
1539 | * contain any hook, as process_traceset_middle is used in this routine. | |
1540 | */ | |
1541 | guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self, | |
90e19f82 AM |
1542 | guint n, LttTime first_offset, |
1543 | seek_time_fct time_seeker, | |
1544 | check_handler *check, | |
1545 | gboolean *stop_flag, | |
1546 | LttvFilter *filter1, | |
1547 | LttvFilter *filter2, | |
1548 | LttvFilter *filter3, | |
1549 | gpointer data) | |
0bd2f89c | 1550 | { |
90e19f82 AM |
1551 | if(lttv_traceset_number(self->ts) == 0) return 0; |
1552 | g_assert(ltt_time_compare(first_offset, ltt_time_zero) != 0); | |
1553 | ||
1554 | guint i; | |
1555 | LttvTracesetContextPosition *next_iter_end_pos = | |
1556 | lttv_traceset_context_position_new(self); | |
1557 | LttvTracesetContextPosition *end_pos = | |
1558 | lttv_traceset_context_position_new(self); | |
1559 | LttvTracesetContextPosition *saved_pos = | |
1560 | lttv_traceset_context_position_new(self); | |
1561 | LttTime time; | |
1562 | LttTime asked_time; | |
1563 | LttTime time_offset; | |
1564 | struct seek_back_data sd; | |
1565 | LttvHooks *hooks = lttv_hooks_new(); | |
1566 | int retval; | |
1567 | ||
1568 | sd.first_event = 0; | |
1569 | sd.events_found = 0; | |
1570 | sd.array = g_ptr_array_sized_new(n); | |
1571 | sd.filter1 = filter1; | |
1572 | sd.filter2 = filter2; | |
1573 | sd.filter3 = filter3; | |
1574 | sd.data = data; | |
1575 | sd.n = n; | |
1576 | sd.check = check; | |
1577 | sd.stop_flag = stop_flag; | |
1578 | sd.raw_event_count = 0; | |
1579 | g_ptr_array_set_size(sd.array, n); | |
1580 | for(i=0;i<n;i++) { | |
1581 | g_ptr_array_index (sd.array, i) = lttv_traceset_context_position_new(self); | |
1582 | } | |
33e44b82 | 1583 | |
90e19f82 AM |
1584 | lttv_traceset_context_position_save(self, next_iter_end_pos); |
1585 | lttv_traceset_context_position_save(self, saved_pos); | |
1586 | /* Get the current time from which we will offset */ | |
1587 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1588 | /* the position saved might be end of traceset... */ | |
1589 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1590 | time = self->time_span.end_time; | |
1591 | } | |
1592 | time_offset = first_offset; | |
0bd2f89c | 1593 | |
90e19f82 AM |
1594 | lttv_hooks_add(hooks, seek_back_event_hook, &sd, LTTV_PRIO_DEFAULT); |
1595 | ||
1596 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1597 | ||
1598 | while(1) { | |
1599 | lttv_traceset_context_position_copy(end_pos, next_iter_end_pos); | |
1600 | ||
1601 | /* We must seek the traceset back to time - time_offset */ | |
1602 | /* this time becomes the new reference time */ | |
1603 | if(ltt_time_compare(time, time_offset) > 0) | |
1604 | time = ltt_time_sub(time, time_offset); | |
1605 | else | |
1606 | time = self->time_span.start_time; | |
1607 | asked_time = time; | |
1608 | ||
1609 | time_seeker(self, time); | |
1610 | lttv_traceset_context_position_save(self, next_iter_end_pos); | |
1611 | /* Resync the time in case of a seek_closest */ | |
1612 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1613 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1614 | time = self->time_span.end_time; | |
1615 | } | |
1616 | ||
1617 | /* Process the traceset, calling a hook which adds events | |
1618 | * to the array, overwriting the tail. It changes first_event and | |
1619 | * events_found too. */ | |
1620 | /* We would like to have a clean context here : no other hook than our's */ | |
1621 | ||
1622 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1623 | G_MAXUINT, end_pos); | |
1624 | ||
1625 | /* stop criteria : - n events found | |
1626 | * - asked_time < beginning of trace */ | |
1627 | if(sd.events_found < n) { | |
1628 | if(sd.first_event > 0) { | |
1629 | /* Save the first position */ | |
1630 | LttvTracesetContextPosition *pos = | |
1631 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, 0); | |
1632 | lttv_traceset_context_position_copy(saved_pos, pos); | |
1633 | } | |
1634 | g_assert(n-sd.events_found <= sd.array->len); | |
1635 | /* Change array size to n - events_found */ | |
1636 | for(i=n-sd.events_found;i<sd.array->len;i++) { | |
1637 | LttvTracesetContextPosition *pos = | |
1638 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1639 | lttv_traceset_context_position_destroy(pos); | |
1640 | } | |
1641 | g_ptr_array_set_size(sd.array, n-sd.events_found); | |
1642 | sd.first_event = 0; | |
1643 | ||
1644 | /* | |
1645 | * Did not fill our event list and started before the beginning of the | |
1646 | * trace. There is no hope to fill it then. | |
1647 | * It is OK to compare with trace start time here because we explicitely | |
1648 | * seeked by time (not by position), so we cannot miss multiple event | |
1649 | * happening exactly at trace start. | |
1650 | */ | |
1651 | if(ltt_time_compare(asked_time, self->time_span.start_time) == 0) | |
1652 | break; | |
1653 | ||
1654 | } else break; /* Second end criterion : n events found */ | |
1655 | ||
1656 | time_offset = ltt_time_mul(time_offset, BACKWARD_SEEK_MUL); | |
1657 | } | |
1658 | ||
1659 | lttv_traceset_context_position_destroy(end_pos); | |
1660 | lttv_traceset_context_position_destroy(next_iter_end_pos); | |
1661 | ||
1662 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1663 | ||
1664 | if(sd.events_found >= n) { | |
1665 | /* Seek the traceset to the first event in the circular array */ | |
1666 | LttvTracesetContextPosition *pos = | |
1667 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, | |
1668 | sd.first_event); | |
1669 | retval= lttv_process_traceset_seek_position(self, pos); | |
1670 | g_assert_cmpint(retval, ==, 0); | |
1671 | } else { | |
1672 | /* Will seek to the last saved position : in the worst case, it will be the | |
1673 | * original position (if events_found is 0) */ | |
1674 | retval= lttv_process_traceset_seek_position(self, saved_pos); | |
1675 | g_assert_cmpint(retval, ==, 0); | |
1676 | } | |
1677 | ||
1678 | for(i=0;i<sd.array->len;i++) { | |
1679 | LttvTracesetContextPosition *pos = | |
1680 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1681 | lttv_traceset_context_position_destroy(pos); | |
1682 | } | |
1683 | g_ptr_array_free(sd.array, TRUE); | |
1684 | ||
1685 | lttv_hooks_destroy(hooks); | |
1686 | ||
1687 | lttv_traceset_context_position_destroy(saved_pos); | |
1688 | ||
1689 | return sd.events_found; | |
0bd2f89c | 1690 | } |
1691 | ||
1692 | ||
1693 | struct seek_forward_data { | |
90e19f82 AM |
1694 | guint event_count; /* event counter */ |
1695 | guint n; /* requested number of events to jump over */ | |
1696 | LttvFilter *filter1; | |
1697 | LttvFilter *filter2; | |
1698 | LttvFilter *filter3; | |
1699 | gpointer data; | |
1700 | check_handler *check; | |
1701 | gboolean *stop_flag; | |
1702 | guint raw_event_count; /* event counter */ | |
0bd2f89c | 1703 | }; |
1704 | ||
1705 | static gint seek_forward_event_hook(void *hook_data, void* call_data) | |
1706 | { | |
90e19f82 AM |
1707 | struct seek_forward_data *sd = (struct seek_forward_data*)hook_data; |
1708 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; | |
1709 | ||
1710 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) | |
1711 | return TRUE; | |
1712 | sd->raw_event_count++; | |
1713 | ||
1714 | if(sd->filter1 != NULL && sd->filter1->head != NULL && | |
1715 | !lttv_filter_tree_parse(sd->filter1->head, | |
1716 | ltt_tracefile_get_event(tfc->tf), | |
1717 | tfc->tf, | |
1718 | tfc->t_context->t, | |
1719 | tfc,NULL,NULL)) { | |
1720 | return FALSE; | |
1721 | } | |
1722 | if(sd->filter2 != NULL && sd->filter2->head != NULL && | |
1723 | !lttv_filter_tree_parse(sd->filter2->head, | |
1724 | ltt_tracefile_get_event(tfc->tf), | |
1725 | tfc->tf, | |
1726 | tfc->t_context->t, | |
1727 | tfc,NULL,NULL)) { | |
1728 | return FALSE; | |
1729 | } | |
1730 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1731 | !lttv_filter_tree_parse(sd->filter3->head, | |
1732 | ltt_tracefile_get_event(tfc->tf), | |
1733 | tfc->tf, | |
1734 | tfc->t_context->t, | |
1735 | tfc,NULL,NULL)) { | |
1736 | return FALSE; | |
1737 | } | |
1738 | ||
1739 | sd->event_count++; | |
1740 | if(sd->event_count >= sd->n) | |
1741 | return TRUE; | |
1742 | return FALSE; | |
0bd2f89c | 1743 | } |
1744 | ||
aaecaa99 | 1745 | /* Seek back n events forward from the current position (1 to n) |
1746 | * 0 is ok too, but it will actually do nothing. | |
0bd2f89c | 1747 | * |
1748 | * Parameters : | |
33e44b82 | 1749 | * @self the trace set context |
1750 | * @n number of events to jump over | |
1751 | * @filter filter to call. | |
0bd2f89c | 1752 | * |
1753 | * returns : the number of events jumped over (may be less than requested if end | |
1754 | * of traceset reached) */ | |
1755 | guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self, | |
90e19f82 AM |
1756 | guint n, |
1757 | check_handler *check, | |
1758 | gboolean *stop_flag, | |
1759 | LttvFilter *filter1, | |
1760 | LttvFilter *filter2, | |
1761 | LttvFilter *filter3, | |
1762 | gpointer data) | |
0bd2f89c | 1763 | { |
90e19f82 AM |
1764 | struct seek_forward_data sd; |
1765 | sd.event_count = 0; | |
1766 | sd.n = n; | |
1767 | sd.filter1 = filter1; | |
1768 | sd.filter2 = filter2; | |
1769 | sd.filter3 = filter3; | |
1770 | sd.data = data; | |
1771 | sd.check = check; | |
1772 | sd.stop_flag = stop_flag; | |
1773 | sd.raw_event_count = 0; | |
1774 | ||
1775 | if(sd.event_count >= sd.n) return sd.event_count; | |
1776 | ||
1777 | LttvHooks *hooks = lttv_hooks_new(); | |
1778 | ||
1779 | lttv_hooks_add(hooks, seek_forward_event_hook, &sd, LTTV_PRIO_DEFAULT); | |
1780 | ||
1781 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1782 | ||
1783 | /* it will end on the end of traceset, or the fact that the | |
1784 | * hook returns TRUE. | |
1785 | */ | |
1786 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1787 | G_MAXUINT, NULL); | |
1788 | ||
1789 | /* Here, our position is either the end of traceset, or the exact position | |
1790 | * after n events : leave it like this. This might be placed on an event that | |
1791 | * will be filtered out, we don't care : all we know is that the following | |
1792 | * event filtered in will be the right one. */ | |
1793 | ||
1794 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1795 | ||
1796 | lttv_hooks_destroy(hooks); | |
1797 | ||
1798 | return sd.event_count; | |
0bd2f89c | 1799 | } |
1800 | ||
1801 |