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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> |
7a4bdb54 | 25 | #include <lttv/traceset-process.h> |
ffd54a90 | 26 | #include <ltt/event.h> |
a5dcde2f | 27 | #include <ltt/trace.h> |
7a4bdb54 | 28 | #ifdef BABEL_NOFILTER |
33e44b82 | 29 | #include <lttv/filter.h> |
7a4bdb54 | 30 | #endif |
27304273 | 31 | #include <errno.h> |
3667f07d | 32 | #include <ltt/time.h> |
556b540a | 33 | #include <lttv/event.h> |
dc877563 | 34 | |
922581a4 YB |
35 | #include <babeltrace/context.h> |
36 | #include <babeltrace/iterator.h> | |
37 | ||
38 | #include <babeltrace/ctf/events.h> | |
39 | #include <babeltrace/ctf/iterator.h> | |
40 | ||
7a4bdb54 YB |
41 | |
42 | #ifdef BABEL_CLEANUP | |
27304273 | 43 | gint compare_tracefile(gconstpointer a, gconstpointer b) |
8697a616 | 44 | { |
90e19f82 AM |
45 | gint comparison = 0; |
46 | ||
47 | const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a; | |
48 | const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b; | |
49 | ||
50 | if(likely(trace_a != trace_b)) { | |
51 | comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp); | |
52 | if(unlikely(comparison == 0)) { | |
53 | if(trace_a->index < trace_b->index) comparison = -1; | |
54 | else if(trace_a->index > trace_b->index) comparison = 1; | |
55 | else if(trace_a->t_context->index < trace_b->t_context->index) | |
56 | comparison = -1; | |
57 | else if(trace_a->t_context->index > trace_b->t_context->index) | |
58 | comparison = 1; | |
59 | } | |
60 | } | |
61 | return comparison; | |
8697a616 | 62 | } |
63 | ||
9ba3aaaf | 64 | typedef struct _LttvTracefileContextPosition { |
90e19f82 AM |
65 | LttEventPosition *event; |
66 | LttvTracefileContext *tfc; | |
67 | gboolean used; /* Tells if the tfc is at end of traceset position */ | |
9ba3aaaf | 68 | } LttvTracefileContextPosition; |
69 | ||
70 | ||
8697a616 | 71 | struct _LttvTracesetContextPosition { |
90e19f82 AM |
72 | GArray *tfcp; /* Array of LttvTracefileContextPosition */ |
73 | LttTime timestamp; /* Current time at the saved position */ | |
74 | /* If ltt_time_infinite : no position is | |
75 | * set, else, a position is set (may be end | |
76 | * of trace, with ep->len == 0) */ | |
8697a616 | 77 | }; |
7a4bdb54 | 78 | #endif |
ffd54a90 | 79 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 | 80 | { |
90e19f82 | 81 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 | 82 | } |
83 | ||
84 | ||
85 | void lttv_context_fini(LttvTracesetContext *self) | |
86 | { | |
90e19f82 | 87 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
dc877563 | 88 | } |
89 | ||
90 | ||
91 | LttvTracesetContext * | |
92 | lttv_context_new_traceset_context(LttvTracesetContext *self) | |
93 | { | |
90e19f82 | 94 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
dc877563 | 95 | } |
96 | ||
97 | ||
98 | ||
99 | ||
100 | LttvTraceContext * | |
101 | lttv_context_new_trace_context(LttvTracesetContext *self) | |
102 | { | |
90e19f82 | 103 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 | 104 | } |
105 | ||
106 | ||
107 | LttvTracefileContext * | |
108 | lttv_context_new_tracefile_context(LttvTracesetContext *self) | |
109 | { | |
90e19f82 | 110 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 | 111 | } |
112 | ||
f7afe191 | 113 | /**************************************************************************** |
114 | * lttv_traceset_context_compute_time_span | |
115 | * | |
14bc9b7c | 116 | * Keep the time span in sync with on the fly addition and removal of traces |
f7afe191 | 117 | * in a trace set. It must be called each time a trace is added/removed from |
118 | * the traceset. It could be more efficient to call it only once a bunch | |
119 | * of traces are loaded, but the calculation is not long, so it's not | |
120 | * critical. | |
121 | * | |
122 | * Author : Xang Xiu Yang | |
f7afe191 | 123 | ***************************************************************************/ |
800dfee0 BP |
124 | void lttv_traceset_context_compute_time_span(LttvTracesetContext *self, |
125 | TimeInterval *time_span) | |
f7afe191 | 126 | { |
2bc1bcfb | 127 | //todo mdenis: adapt to babeltrace |
128 | #ifdef BABEL_CLEANUP | |
90e19f82 AM |
129 | LttvTraceset * traceset = self->ts; |
130 | int numTraces = lttv_traceset_number(traceset); | |
131 | int i; | |
132 | LttTime s, e; | |
133 | LttvTraceContext *tc; | |
134 | LttTrace * trace; | |
135 | ||
136 | time_span->start_time.tv_sec = 0; | |
137 | time_span->start_time.tv_nsec = 0; | |
138 | time_span->end_time.tv_sec = 0; | |
139 | time_span->end_time.tv_nsec = 0; | |
140 | ||
141 | for(i=0; i<numTraces;i++){ | |
142 | tc = self->traces[i]; | |
2bc1bcfb | 143 | |
90e19f82 AM |
144 | trace = tc->t; |
145 | ||
146 | ltt_trace_time_span_get(trace, &s, &e); | |
147 | tc->time_span.start_time = s; | |
148 | tc->time_span.end_time = e; | |
149 | ||
150 | if(i==0){ | |
151 | time_span->start_time = s; | |
152 | time_span->end_time = e; | |
153 | } else { | |
154 | if(s.tv_sec < time_span->start_time.tv_sec | |
155 | || (s.tv_sec == time_span->start_time.tv_sec | |
156 | && s.tv_nsec < time_span->start_time.tv_nsec)) | |
157 | time_span->start_time = s; | |
158 | if(e.tv_sec > time_span->end_time.tv_sec | |
159 | || (e.tv_sec == time_span->end_time.tv_sec | |
160 | && e.tv_nsec > time_span->end_time.tv_nsec)) | |
161 | time_span->end_time = e; | |
162 | } | |
163 | } | |
2bc1bcfb | 164 | #endif |
f7afe191 | 165 | } |
166 | ||
eed2ef37 | 167 | static void init_tracefile_context(LttTracefile *tracefile, |
90e19f82 | 168 | LttvTraceContext *tc) |
eed2ef37 | 169 | { |
90e19f82 AM |
170 | LttvTracefileContext *tfc; |
171 | LttvTracesetContext *tsc = tc->ts_context; | |
eed2ef37 | 172 | |
90e19f82 | 173 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->new_tracefile_context(tsc); |
eed2ef37 | 174 | |
90e19f82 AM |
175 | tfc->index = tc->tracefiles->len; |
176 | tc->tracefiles = g_array_append_val(tc->tracefiles, tfc); | |
eed2ef37 | 177 | |
90e19f82 AM |
178 | tfc->tf = tracefile; |
179 | ||
180 | tfc->t_context = tc; | |
181 | tfc->event = lttv_hooks_new(); | |
182 | tfc->event_by_id = lttv_hooks_by_id_new(); | |
183 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
184 | tfc->target_pid = -1; | |
eed2ef37 | 185 | } |
186 | ||
dc877563 | 187 | |
188 | static void | |
189 | init(LttvTracesetContext *self, LttvTraceset *ts) | |
190 | { | |
90e19f82 AM |
191 | guint i, nb_trace; |
192 | ||
193 | LttvTraceContext *tc; | |
194 | ||
195 | GData **tracefiles_groups; | |
196 | ||
197 | struct compute_tracefile_group_args args; | |
922581a4 YB |
198 | |
199 | struct bt_iter_pos begin_pos; | |
90e19f82 AM |
200 | |
201 | nb_trace = lttv_traceset_number(ts); | |
202 | self->ts = ts; | |
203 | self->traces = g_new(LttvTraceContext *, nb_trace); | |
204 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
205 | self->ts_a = lttv_traceset_attribute(ts); | |
922581a4 YB |
206 | |
207 | begin_pos.type = BT_SEEK_BEGIN; | |
208 | ||
209 | self->iter = bt_ctf_iter_create(lttv_traceset_get_context(ts), | |
210 | &begin_pos, | |
211 | NULL); | |
212 | self->event_hooks = lttv_hooks_new(); | |
f826ad80 YB |
213 | self->tmpState = g_new(LttvTraceState *, 1); |
214 | ||
90e19f82 AM |
215 | for(i = 0 ; i < nb_trace ; i++) { |
216 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); | |
217 | self->traces[i] = tc; | |
218 | ||
219 | tc->ts_context = self; | |
220 | tc->index = i; | |
221 | tc->vt = lttv_traceset_get(ts, i); | |
2bc1bcfb | 222 | #ifdef BABEL_CLEANUP |
90e19f82 | 223 | tc->t = lttv_trace(tc->vt); |
2bc1bcfb | 224 | #endif |
90e19f82 AM |
225 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
226 | tc->t_a = lttv_trace_attribute(tc->vt); | |
227 | tc->tracefiles = g_array_sized_new(FALSE, TRUE, | |
228 | sizeof(LttvTracefileContext*), 10); | |
229 | ||
2bc1bcfb | 230 | #ifdef BABEL_CLEANUP |
90e19f82 AM |
231 | tracefiles_groups = ltt_trace_get_tracefiles_groups(tc->t); |
232 | if(tracefiles_groups != NULL) { | |
233 | args.func = (ForEachTraceFileFunc)init_tracefile_context; | |
234 | args.func_args = tc; | |
235 | ||
236 | g_datalist_foreach(tracefiles_groups, | |
237 | (GDataForeachFunc)compute_tracefile_group, | |
238 | &args); | |
239 | } | |
2bc1bcfb | 240 | #endif |
90e19f82 | 241 | |
eed2ef37 | 242 | |
90e19f82 AM |
243 | } |
244 | self->sync_position = lttv_traceset_context_position_new(self); | |
7a4bdb54 | 245 | #ifdef BABEL_CLEANUP |
90e19f82 | 246 | self->pqueue = g_tree_new(compare_tracefile); |
7a4bdb54 | 247 | #endif |
90e19f82 AM |
248 | lttv_process_traceset_seek_time(self, ltt_time_zero); |
249 | lttv_traceset_context_compute_time_span(self, &self->time_span); | |
8697a616 | 250 | |
dc877563 | 251 | } |
252 | ||
253 | ||
254 | void fini(LttvTracesetContext *self) | |
255 | { | |
90e19f82 | 256 | guint i, j, nb_trace, nb_tracefile; |
dc877563 | 257 | |
90e19f82 | 258 | LttvTraceContext *tc; |
dc877563 | 259 | |
90e19f82 | 260 | LttvTracefileContext **tfc; |
dc877563 | 261 | |
90e19f82 | 262 | LttvTraceset *ts = self->ts; |
dc877563 | 263 | |
90e19f82 AM |
264 | g_tree_destroy(self->pqueue); |
265 | g_object_unref(self->a); | |
266 | lttv_traceset_context_position_destroy(self->sync_position); | |
dc877563 | 267 | |
90e19f82 | 268 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 269 | |
90e19f82 AM |
270 | for(i = 0 ; i < nb_trace ; i++) { |
271 | tc = self->traces[i]; | |
dc877563 | 272 | |
90e19f82 | 273 | g_object_unref(tc->a); |
dc877563 | 274 | |
90e19f82 | 275 | nb_tracefile = tc->tracefiles->len; |
dc877563 | 276 | |
90e19f82 AM |
277 | for(j = 0 ; j < nb_tracefile ; j++) { |
278 | tfc = &g_array_index(tc->tracefiles, LttvTracefileContext*, j); | |
279 | lttv_hooks_destroy((*tfc)->event); | |
280 | lttv_hooks_by_id_destroy((*tfc)->event_by_id); | |
281 | g_object_unref((*tfc)->a); | |
282 | g_object_unref(*tfc); | |
283 | } | |
284 | g_array_free(tc->tracefiles, TRUE); | |
285 | g_object_unref(tc); | |
286 | } | |
287 | g_free(self->traces); | |
dc877563 | 288 | } |
289 | ||
290 | ||
291 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, | |
90e19f82 AM |
292 | LttvHooks *before_traceset, |
293 | LttvHooks *before_trace, | |
294 | LttvHooks *before_tracefile, | |
295 | LttvHooks *event, | |
296 | LttvHooksByIdChannelArray *event_by_id_channel) | |
dc877563 | 297 | { |
90e19f82 | 298 | LttvTraceset *ts = self->ts; |
dc877563 | 299 | |
90e19f82 | 300 | guint i, nb_trace; |
dc877563 | 301 | |
90e19f82 | 302 | LttvTraceContext *tc; |
dc877563 | 303 | |
90e19f82 | 304 | lttv_hooks_call(before_traceset, self); |
922581a4 YB |
305 | |
306 | lttv_hooks_add_list(self->event_hooks, event); | |
dc877563 | 307 | |
90e19f82 | 308 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 309 | |
90e19f82 AM |
310 | for(i = 0 ; i < nb_trace ; i++) { |
311 | tc = self->traces[i]; | |
312 | lttv_trace_context_add_hooks(tc, | |
313 | before_trace, | |
314 | before_tracefile, | |
315 | event, | |
316 | event_by_id_channel); | |
317 | } | |
dc877563 | 318 | } |
319 | ||
320 | ||
321 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, | |
90e19f82 AM |
322 | LttvHooks *after_traceset, |
323 | LttvHooks *after_trace, | |
324 | LttvHooks *after_tracefile, | |
325 | LttvHooks *event, | |
326 | LttvHooksByIdChannelArray *event_by_id_channel) | |
dc877563 | 327 | { |
8697a616 | 328 | |
90e19f82 | 329 | LttvTraceset *ts = self->ts; |
dc877563 | 330 | |
90e19f82 | 331 | guint i, nb_trace; |
dc877563 | 332 | |
90e19f82 | 333 | LttvTraceContext *tc; |
dc877563 | 334 | |
90e19f82 | 335 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 336 | |
90e19f82 AM |
337 | for(i = 0 ; i < nb_trace ; i++) { |
338 | tc = self->traces[i]; | |
339 | lttv_trace_context_remove_hooks(tc, | |
340 | after_trace, | |
341 | after_tracefile, | |
342 | event, | |
343 | event_by_id_channel); | |
344 | } | |
8697a616 | 345 | |
90e19f82 | 346 | lttv_hooks_call(after_traceset, self); |
8697a616 | 347 | |
348 | ||
dc877563 | 349 | } |
350 | ||
8697a616 | 351 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
90e19f82 AM |
352 | LttvHooks *before_trace, |
353 | LttvHooks *before_tracefile, | |
354 | LttvHooks *event, | |
355 | LttvHooksByIdChannelArray *event_by_id_channel) | |
a8c0f09d | 356 | { |
90e19f82 AM |
357 | guint i, j, nb_tracefile; |
358 | LttvTracefileContext **tfc; | |
359 | LttTracefile *tf; | |
360 | ||
361 | lttv_hooks_call(before_trace, self); | |
362 | ||
363 | nb_tracefile = self->tracefiles->len; | |
364 | ||
365 | for(i = 0 ; i < nb_tracefile ; i++) { | |
366 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
367 | tf = (*tfc)->tf; | |
368 | lttv_tracefile_context_add_hooks(*tfc, | |
369 | before_tracefile, | |
370 | event, | |
371 | NULL); | |
372 | if (event_by_id_channel) { | |
373 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
374 | LttvHooksByIdChannel *hooks = | |
375 | &g_array_index(event_by_id_channel->array, | |
376 | LttvHooksByIdChannel, j); | |
377 | if (tf->name == hooks->channel) | |
378 | lttv_tracefile_context_add_hooks(*tfc, | |
379 | NULL, | |
380 | NULL, | |
381 | hooks->hooks_by_id); | |
382 | } | |
383 | } | |
384 | } | |
a8c0f09d | 385 | } |
386 | ||
8697a616 | 387 | |
388 | ||
389 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, | |
90e19f82 AM |
390 | LttvHooks *after_trace, |
391 | LttvHooks *after_tracefile, | |
392 | LttvHooks *event, | |
393 | LttvHooksByIdChannelArray *event_by_id_channel) | |
a8c0f09d | 394 | { |
90e19f82 AM |
395 | guint i, j, nb_tracefile; |
396 | LttvTracefileContext **tfc; | |
397 | LttTracefile *tf; | |
398 | ||
399 | nb_tracefile = self->tracefiles->len; | |
400 | ||
401 | for(i = 0 ; i < nb_tracefile ; i++) { | |
402 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
403 | tf = (*tfc)->tf; | |
404 | if (event_by_id_channel) { | |
405 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
406 | LttvHooksByIdChannel *hooks = | |
407 | &g_array_index(event_by_id_channel->array, | |
408 | LttvHooksByIdChannel, j); | |
409 | if (tf->name == hooks->channel) | |
410 | lttv_tracefile_context_remove_hooks(*tfc, | |
411 | NULL, | |
412 | NULL, | |
413 | hooks->hooks_by_id); | |
414 | } | |
415 | } | |
416 | lttv_tracefile_context_remove_hooks(*tfc, | |
417 | after_tracefile, | |
418 | event, | |
419 | NULL); | |
420 | ||
421 | } | |
422 | ||
423 | lttv_hooks_call(after_trace, self); | |
a8c0f09d | 424 | } |
425 | ||
8697a616 | 426 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
90e19f82 AM |
427 | LttvHooks *before_tracefile, |
428 | LttvHooks *event, | |
429 | LttvHooksById *event_by_id) | |
a8c0f09d | 430 | { |
90e19f82 AM |
431 | guint i, index; |
432 | LttvHooks *hook; | |
433 | ||
434 | lttv_hooks_call(before_tracefile, self); | |
435 | lttv_hooks_add_list(self->event, event); | |
436 | if(event_by_id != NULL) { | |
437 | for(i = 0; i < event_by_id->array->len; i++) { | |
438 | index = g_array_index(event_by_id->array, guint, i); | |
439 | hook = lttv_hooks_by_id_find(self->event_by_id, index); | |
440 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, index)); | |
441 | } | |
442 | } | |
a8c0f09d | 443 | } |
444 | ||
8697a616 | 445 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
90e19f82 AM |
446 | LttvHooks *after_tracefile, |
447 | LttvHooks *event, | |
448 | LttvHooksById *event_by_id) | |
a8c0f09d | 449 | { |
90e19f82 AM |
450 | guint i, index; |
451 | ||
452 | LttvHooks *hook; | |
453 | ||
454 | lttv_hooks_remove_list(self->event, event); | |
455 | if(event_by_id != NULL) { | |
456 | for(i = 0; i < event_by_id->array->len; i++) { | |
457 | index = g_array_index(event_by_id->array, guint, i); | |
458 | hook = lttv_hooks_by_id_get(self->event_by_id, index); | |
459 | if(hook != NULL) | |
460 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, index)); | |
461 | } | |
462 | } | |
463 | ||
464 | lttv_hooks_call(after_tracefile, self); | |
a8c0f09d | 465 | } |
466 | ||
90e19f82 | 467 | static LttvTracesetContext *new_traceset_context(LttvTracesetContext *self) |
dc877563 | 468 | { |
90e19f82 | 469 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 | 470 | } |
471 | ||
472 | ||
90e19f82 | 473 | static LttvTraceContext *new_trace_context(LttvTracesetContext *self) |
dc877563 | 474 | { |
90e19f82 | 475 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 | 476 | } |
477 | ||
478 | ||
90e19f82 | 479 | static LttvTracefileContext *new_tracefile_context(LttvTracesetContext *self) |
dc877563 | 480 | { |
90e19f82 | 481 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 | 482 | } |
483 | ||
484 | ||
90e19f82 AM |
485 | static void traceset_context_instance_init(GTypeInstance *instance, |
486 | gpointer g_class) | |
dc877563 | 487 | { |
90e19f82 | 488 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 489 | } |
490 | ||
491 | ||
90e19f82 | 492 | static void traceset_context_finalize(LttvTracesetContext *self) |
dc877563 | 493 | { |
90e19f82 AM |
494 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
495 | ->finalize(G_OBJECT(self)); | |
dc877563 | 496 | } |
497 | ||
498 | ||
90e19f82 | 499 | static void traceset_context_class_init(LttvTracesetContextClass *klass) |
dc877563 | 500 | { |
90e19f82 AM |
501 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
502 | ||
503 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; | |
504 | klass->init = init; | |
505 | klass->fini = fini; | |
506 | klass->new_traceset_context = new_traceset_context; | |
507 | klass->new_trace_context = new_trace_context; | |
508 | klass->new_tracefile_context = new_tracefile_context; | |
dc877563 | 509 | } |
510 | ||
511 | ||
90e19f82 | 512 | GType lttv_traceset_context_get_type(void) |
dc877563 | 513 | { |
90e19f82 AM |
514 | static GType type = 0; |
515 | if (type == 0) { | |
516 | static const GTypeInfo info = { | |
517 | sizeof (LttvTracesetContextClass), | |
518 | NULL, /* base_init */ | |
519 | NULL, /* base_finalize */ | |
520 | (GClassInitFunc) traceset_context_class_init, /* class_init */ | |
521 | NULL, /* class_finalize */ | |
522 | NULL, /* class_data */ | |
523 | sizeof (LttvTracesetContext), | |
524 | 0, /* n_preallocs */ | |
525 | (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */ | |
526 | NULL /* Value handling */ | |
527 | }; | |
528 | ||
529 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", | |
530 | &info, 0); | |
531 | } | |
532 | return type; | |
dc877563 | 533 | } |
534 | ||
535 | ||
536 | static void | |
537 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) | |
538 | { | |
90e19f82 | 539 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 540 | } |
541 | ||
542 | ||
90e19f82 | 543 | static void trace_context_finalize (LttvTraceContext *self) |
dc877563 | 544 | { |
90e19f82 AM |
545 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
546 | finalize(G_OBJECT(self)); | |
dc877563 | 547 | } |
548 | ||
549 | ||
90e19f82 | 550 | static void trace_context_class_init (LttvTraceContextClass *klass) |
dc877563 | 551 | { |
90e19f82 | 552 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
dc877563 | 553 | |
90e19f82 | 554 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 | 555 | } |
556 | ||
557 | ||
90e19f82 | 558 | GType lttv_trace_context_get_type(void) |
dc877563 | 559 | { |
90e19f82 AM |
560 | static GType type = 0; |
561 | if (type == 0) { | |
562 | static const GTypeInfo info = { | |
563 | sizeof (LttvTraceContextClass), | |
564 | NULL, /* base_init */ | |
565 | NULL, /* base_finalize */ | |
566 | (GClassInitFunc) trace_context_class_init, /* class_init */ | |
567 | NULL, /* class_finalize */ | |
568 | NULL, /* class_data */ | |
569 | sizeof (LttvTraceContext), | |
570 | 0, /* n_preallocs */ | |
571 | (GInstanceInitFunc) trace_context_instance_init, /* instance_init */ | |
572 | NULL /* Value handling */ | |
573 | }; | |
574 | ||
575 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", | |
576 | &info, 0); | |
577 | } | |
578 | return type; | |
dc877563 | 579 | } |
580 | ||
581 | ||
90e19f82 AM |
582 | static void tracefile_context_instance_init (GTypeInstance *instance, |
583 | gpointer g_class) | |
dc877563 | 584 | { |
90e19f82 | 585 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 586 | } |
587 | ||
588 | ||
90e19f82 | 589 | static void tracefile_context_finalize (LttvTracefileContext *self) |
dc877563 | 590 | { |
90e19f82 AM |
591 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
592 | ->finalize(G_OBJECT(self)); | |
dc877563 | 593 | } |
594 | ||
595 | ||
90e19f82 | 596 | static void tracefile_context_class_init (LttvTracefileContextClass *klass) |
dc877563 | 597 | { |
90e19f82 | 598 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
dc877563 | 599 | |
90e19f82 | 600 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
ffd54a90 | 601 | } |
602 | ||
603 | ||
90e19f82 | 604 | GType lttv_tracefile_context_get_type(void) |
ffd54a90 | 605 | { |
90e19f82 AM |
606 | static GType type = 0; |
607 | if (type == 0) { | |
608 | static const GTypeInfo info = { | |
609 | sizeof (LttvTracefileContextClass), | |
610 | NULL, /* base_init */ | |
611 | NULL, /* base_finalize */ | |
612 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ | |
613 | NULL, /* class_finalize */ | |
614 | NULL, /* class_data */ | |
615 | sizeof (LttvTracefileContext), | |
616 | 0, /* n_preallocs */ | |
617 | (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */ | |
618 | NULL /* Value handling */ | |
619 | }; | |
620 | ||
621 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", | |
622 | &info, 0); | |
623 | } | |
624 | return type; | |
dc877563 | 625 | } |
626 | ||
627 | ||
dc877563 | 628 | |
6843100a | 629 | static gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
90e19f82 AM |
630 | g_assert(key == value); |
631 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; | |
632 | return TRUE; | |
dc877563 | 633 | } |
634 | ||
e7f5e89d | 635 | #ifdef DEBUG |
636 | // Test to see if pqueue is traversed in the right order. | |
637 | static LttTime test_time; | |
638 | ||
698e81c2 | 639 | static gboolean test_tree(gpointer key, gpointer value, gpointer user_data) { |
640 | ||
90e19f82 AM |
641 | LttvTracefileContext *tfc = (LttvTracefileContext *)key; |
642 | ||
643 | g_debug("Tracefile name %s, time %lu.%lu, tfi %u, ti %u", | |
644 | g_quark_to_string(ltt_tracefile_name(tfc->tf)), | |
645 | tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec, | |
646 | tfc->index, tfc->t_context->index); | |
647 | ||
648 | if(user_data != NULL) { | |
649 | if(((LttvTracefileContext *)user_data) == (LttvTracefileContext *)value) { | |
650 | g_assert(compare_tracefile(user_data, value) == 0); | |
651 | } else | |
652 | g_assert(compare_tracefile(user_data, value) != 0); | |
653 | } | |
654 | g_assert(ltt_time_compare(test_time, tfc->timestamp) <= 0); | |
655 | test_time.tv_sec = tfc->timestamp.tv_sec; | |
656 | test_time.tv_nsec = tfc->timestamp.tv_nsec; | |
657 | ||
658 | ||
659 | //g_assert(((LttvTracefileContext *)user_data) != (LttvTracefileContext *)value); | |
660 | return FALSE; | |
698e81c2 | 661 | } |
e7f5e89d | 662 | #endif //DEBUG |
698e81c2 | 663 | |
664 | ||
dc877563 | 665 | |
8697a616 | 666 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
90e19f82 AM |
667 | LttvHooks *before_traceset, |
668 | LttvHooks *before_trace, | |
669 | LttvHooks *before_tracefile, | |
670 | LttvHooks *event, | |
671 | LttvHooksByIdChannelArray *event_by_id_channel) | |
8697a616 | 672 | { |
dc877563 | 673 | |
90e19f82 AM |
674 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
675 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ | |
676 | lttv_traceset_context_add_hooks(self, | |
677 | before_traceset, | |
678 | before_trace, | |
679 | before_tracefile, | |
680 | event, | |
681 | event_by_id_channel); | |
682 | ||
2a2fa4f0 | 683 | } |
684 | ||
bd4c3eca | 685 | //enum read_state { LAST_NONE, LAST_OK, LAST_EMPTY }; |
36d36c9f | 686 | |
8697a616 | 687 | /* Note : a _middle must be preceded from a _seek or another middle */ |
688 | guint lttv_process_traceset_middle(LttvTracesetContext *self, | |
90e19f82 AM |
689 | LttTime end, |
690 | gulong nb_events, | |
691 | const LttvTracesetContextPosition *end_position) | |
2a2fa4f0 | 692 | { |
922581a4 YB |
693 | |
694 | unsigned count = 0; | |
695 | ||
9a366873 | 696 | gint last_ret = 0; |
556b540a | 697 | struct bt_ctf_event *bt_event; |
922581a4 | 698 | |
556b540a | 699 | LttvEvent event; |
556b540a | 700 | |
922581a4 YB |
701 | while(TRUE) { |
702 | ||
9a366873 | 703 | if(last_ret == TRUE || ((count >= nb_events) && (nb_events != G_MAXULONG))) { |
922581a4 YB |
704 | break; |
705 | } | |
706 | ||
556b540a | 707 | if((bt_event = bt_ctf_iter_read_event(self->iter)) != NULL) { |
922581a4 YB |
708 | |
709 | count++; | |
710 | ||
556b540a | 711 | event.bt_event = bt_event; |
f826ad80 YB |
712 | /* TODO ybrosseau 2012-04-01: use bt_ctf_get_trace_handle |
713 | to retrieve the right state container */ | |
714 | event.state = self->tmpState; | |
715 | ||
9a366873 | 716 | last_ret = lttv_hooks_call(self->event_hooks, &event); |
922581a4 YB |
717 | |
718 | if(bt_iter_next(bt_ctf_get_iter(self->iter)) < 0) { | |
719 | printf("ERROR NEXT\n"); | |
720 | break; | |
721 | } | |
722 | } else { | |
723 | /* READ FAILED */ | |
724 | ||
725 | break; | |
726 | ||
727 | } | |
728 | } | |
729 | ||
730 | ||
731 | ||
732 | return count; | |
733 | #ifdef BABEL_CLEANUP | |
90e19f82 AM |
734 | GTree *pqueue = self->pqueue; |
735 | ||
736 | LttvTracefileContext *tfc; | |
737 | ||
738 | LttEvent *e; | |
739 | ||
740 | unsigned count = 0; | |
741 | ||
3667f07d YB |
742 | gboolean is_live = FALSE; /* set this flag if we detect a live trace */ |
743 | ||
90e19f82 AM |
744 | guint read_ret; |
745 | ||
746 | //enum read_state last_read_state = LAST_NONE; | |
747 | ||
748 | gint last_ret = 0; /* return value of the last hook list called */ | |
749 | ||
750 | /* Get the next event from the pqueue, call its hooks, | |
751 | reinsert in the pqueue the following event from the same tracefile | |
752 | unless the tracefile is finished or the event is later than the | |
753 | end time. */ | |
754 | ||
755 | while(TRUE) { | |
756 | tfc = NULL; | |
757 | g_tree_foreach(pqueue, get_first, &tfc); | |
758 | /* End of traceset : tfc is NULL */ | |
759 | if(unlikely(tfc == NULL)) | |
760 | { | |
3667f07d | 761 | break; |
90e19f82 AM |
762 | } |
763 | ||
764 | /* Have we reached : | |
765 | * - the maximum number of events specified? | |
766 | * - the end position ? | |
767 | * - the end time ? | |
768 | * then the read is finished. We leave the queue in the same state and | |
769 | * break the loop. | |
770 | */ | |
3667f07d YB |
771 | if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0) { |
772 | ||
773 | break; | |
774 | } | |
90e19f82 AM |
775 | if(unlikely(last_ret == TRUE |
776 | || ((count >= nb_events) && (nb_events != G_MAXULONG)) | |
777 | || (end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self, | |
778 | end_position) == 0) | |
779 | || ltt_time_compare(end, tfc->timestamp) <= 0)) | |
780 | { | |
3667f07d | 781 | break; |
90e19f82 AM |
782 | } |
783 | ||
784 | /* Get the tracefile with an event for the smallest time found. If two | |
785 | or more tracefiles have events for the same time, hope that lookup | |
786 | and remove are consistent. */ | |
1986f254 | 787 | |
788 | #ifdef DEBUG | |
90e19f82 AM |
789 | test_time.tv_sec = 0; |
790 | test_time.tv_nsec = 0; | |
791 | g_debug("test tree before remove"); | |
792 | g_tree_foreach(pqueue, test_tree, tfc); | |
1986f254 | 793 | #endif //DEBUG |
90e19f82 | 794 | g_tree_remove(pqueue, tfc); |
698e81c2 | 795 | |
1986f254 | 796 | #ifdef DEBUG |
90e19f82 AM |
797 | test_time.tv_sec = 0; |
798 | test_time.tv_nsec = 0; | |
799 | g_debug("test tree after remove"); | |
800 | g_tree_foreach(pqueue, test_tree, tfc); | |
1986f254 | 801 | #endif //DEBUG |
77199e93 | 802 | |
bd4c3eca | 803 | |
90e19f82 | 804 | e = ltt_tracefile_get_event(tfc->tf); |
dc877563 | 805 | |
90e19f82 AM |
806 | //if(last_read_state != LAST_EMPTY) { |
807 | /* Only call hooks if the last read has given an event or if we are at the | |
808 | * first pass (not if last read returned end of tracefile) */ | |
809 | count++; | |
810 | ||
811 | tfc->target_pid = -1; /* unset target PID */ | |
812 | /* Hooks : | |
813 | * return values : 0 : continue read, 1 : go to next position and stop read, | |
814 | * 2 : stay at the current position and stop read */ | |
815 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, | |
816 | lttv_hooks_by_id_get(tfc->event_by_id, e->event_id), tfc); | |
1fae3dd3 | 817 | |
aaecaa99 | 818 | #if 0 |
90e19f82 AM |
819 | /* This is buggy : it won't work well with state computation */ |
820 | if(unlikely(last_ret == 2)) { | |
821 | /* This is a case where we want to stay at this position and stop read. */ | |
822 | g_tree_insert(pqueue, tfc, tfc); | |
3667f07d YB |
823 | count--; |
824 | break; | |
90e19f82 | 825 | } |
aaecaa99 | 826 | #endif //0 |
90e19f82 AM |
827 | read_ret = ltt_tracefile_read(tfc->tf); |
828 | ||
829 | ||
830 | if(likely(!read_ret)) { | |
831 | //g_debug("An event is ready"); | |
832 | tfc->timestamp = ltt_event_time(e); | |
3667f07d YB |
833 | |
834 | ||
90e19f82 AM |
835 | g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0); |
836 | g_tree_insert(pqueue, tfc, tfc); | |
3667f07d YB |
837 | if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0) |
838 | { | |
839 | is_live |= TRUE; | |
840 | break; | |
841 | } | |
e7f5e89d | 842 | #ifdef DEBUG |
90e19f82 AM |
843 | test_time.tv_sec = 0; |
844 | test_time.tv_nsec = 0; | |
845 | g_debug("test tree after event ready"); | |
846 | g_tree_foreach(pqueue, test_tree, NULL); | |
e7f5e89d | 847 | #endif //DEBUG |
848 | ||
90e19f82 AM |
849 | //last_read_state = LAST_OK; |
850 | } else { | |
851 | tfc->timestamp = ltt_time_infinite; | |
852 | ||
853 | if(read_ret == ERANGE) { | |
854 | // last_read_state = LAST_EMPTY; | |
855 | g_debug("End of trace"); | |
856 | } else | |
857 | g_error("Error happened in lttv_process_traceset_middle"); | |
858 | } | |
859 | } | |
3667f07d YB |
860 | |
861 | if (unlikely((count == 0) && is_live)) { | |
862 | return -1; | |
863 | } else { | |
864 | return count; | |
865 | } | |
922581a4 YB |
866 | |
867 | #endif /* BABEL_CLEANUP */ | |
2a2fa4f0 | 868 | } |
869 | ||
870 | ||
8697a616 | 871 | void lttv_process_traceset_end(LttvTracesetContext *self, |
90e19f82 AM |
872 | LttvHooks *after_traceset, |
873 | LttvHooks *after_trace, | |
874 | LttvHooks *after_tracefile, | |
875 | LttvHooks *event, | |
876 | LttvHooksByIdChannelArray *event_by_id_channel) | |
2a2fa4f0 | 877 | { |
90e19f82 AM |
878 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
879 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ | |
880 | lttv_traceset_context_remove_hooks(self, | |
881 | after_traceset, | |
882 | after_trace, | |
883 | after_tracefile, | |
884 | event, | |
885 | event_by_id_channel); | |
8697a616 | 886 | } |
2a2fa4f0 | 887 | |
27304273 | 888 | /* Subtile modification : |
889 | * if tracefile has no event at or after the time requested, it is not put in | |
348c6ba8 | 890 | * the queue, as the next read would fail. |
891 | * | |
892 | * Don't forget to empty the traceset pqueue before calling this. | |
893 | */ | |
8697a616 | 894 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
895 | { | |
90e19f82 AM |
896 | guint i, nb_tracefile; |
897 | ||
898 | gint ret; | |
899 | ||
900 | LttvTracefileContext **tfc; | |
2a2fa4f0 | 901 | |
90e19f82 | 902 | nb_tracefile = self->tracefiles->len; |
2a2fa4f0 | 903 | |
90e19f82 | 904 | GTree *pqueue = self->ts_context->pqueue; |
dc877563 | 905 | |
90e19f82 AM |
906 | for(i = 0 ; i < nb_tracefile ; i++) { |
907 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
e7f5e89d | 908 | |
90e19f82 | 909 | g_tree_remove(pqueue, *tfc); |
77199e93 | 910 | |
90e19f82 AM |
911 | ret = ltt_tracefile_seek_time((*tfc)->tf, start); |
912 | if(ret == EPERM) g_error("error in lttv_process_trace_seek_time seek"); | |
27304273 | 913 | |
90e19f82 AM |
914 | if(ret == 0) { /* not ERANGE especially */ |
915 | (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf)); | |
916 | g_assert(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0); | |
917 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
918 | } else { | |
919 | (*tfc)->timestamp = ltt_time_infinite; | |
920 | } | |
921 | } | |
e7f5e89d | 922 | #ifdef DEBUG |
90e19f82 AM |
923 | test_time.tv_sec = 0; |
924 | test_time.tv_nsec = 0; | |
925 | g_debug("test tree after seek_time"); | |
926 | g_tree_foreach(pqueue, test_tree, NULL); | |
e7f5e89d | 927 | #endif //DEBUG |
8697a616 | 928 | } |
dc877563 | 929 | |
3667f07d YB |
930 | /**************************************************************************** |
931 | * lttv_process_trace_update | |
932 | * | |
933 | * process the changes that occur in the trace. Use a regular file polling to | |
934 | * monitor the tracefile. | |
935 | * | |
936 | * Return the number of tracefile updated | |
937 | ***************************************************************************/ | |
938 | guint lttv_process_trace_update(LttvTraceContext *self) | |
939 | { | |
940 | guint i; | |
941 | guint nb_tracefile = 0; | |
942 | ||
943 | LttTracefile *tf = 0; | |
944 | LttvTracefileContext **tfc; | |
945 | ||
946 | /* Skip non live traces */ | |
947 | if(self->t->is_live) { | |
948 | ||
949 | nb_tracefile = ltt_trace_update(self->t); | |
950 | ||
951 | /* Recreate the pqueue following an update*/ | |
952 | GTree *pqueue = self->ts_context->pqueue; | |
953 | ||
954 | for(i = 0 ; i < self->tracefiles->len ; i++) { | |
955 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
956 | tf = (*tfc)->tf; | |
957 | if(g_tree_remove(pqueue, *tfc) == FALSE) { | |
958 | if(tf->buf_index != NULL) { | |
959 | ||
960 | if(ltt_tracefile_read(tf) == 0) { | |
961 | ||
962 | (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf)); | |
963 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
964 | ||
965 | } | |
966 | } | |
967 | } else { | |
968 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
969 | ||
970 | } | |
971 | ||
972 | ||
973 | } | |
974 | //Update self time span | |
975 | self->time_span.end_time = LTT_TIME_MAX(self->t->live_safe_timestamp, | |
976 | self->time_span.end_time); | |
977 | //Update self tscontext time span | |
978 | self->ts_context->time_span.end_time = LTT_TIME_MAX(self->time_span.end_time, | |
979 | self->ts_context->time_span.end_time); | |
980 | } | |
981 | return nb_tracefile; | |
982 | ||
983 | } | |
984 | ||
985 | /**************************************************************************** | |
986 | * lttv_process_traceset_update | |
987 | * | |
988 | * process the changes that occur in the traceset. | |
989 | * | |
990 | * Return the number of file presently monitor(open for writting). If 0, the | |
991 | * current traceset probably received all the data. | |
992 | ***************************************************************************/ | |
993 | guint lttv_process_traceset_update(LttvTracesetContext *self) | |
994 | { | |
995 | guint i; | |
996 | guint nb_trace; | |
997 | guint open_counter = 0; | |
998 | ||
999 | nb_trace = lttv_traceset_number(self->ts); | |
1000 | ||
1001 | for(i = 0 ; i < nb_trace ; i++) { | |
1002 | open_counter += lttv_process_trace_update(self->traces[i]); | |
1003 | } | |
1004 | return open_counter; | |
1005 | } | |
2a2fa4f0 | 1006 | |
8697a616 | 1007 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
922581a4 YB |
1008 | { |
1009 | #ifdef WAIT_FOR_BABELTRACE_FIX_SEEK_ZERO | |
1010 | struct bt_iter_pos seekpos; | |
1011 | int ret; | |
1012 | seekpos.type = BT_SEEK_TIME; | |
1013 | seekpos.u.seek_time = ltt_time_to_uint64(start); | |
1014 | ret = bt_iter_set_pos(bt_ctf_get_iter(self->iter), &seekpos); | |
1015 | if(ret < 0) { | |
1016 | printf("Seek by time error: %s,\n",strerror(-ret)); | |
1017 | } | |
1018 | #else | |
1019 | #warning Seek time disabled because of babeltrace bugs | |
1020 | #endif | |
1021 | ||
1022 | #ifdef BABEL_CLEANUP | |
90e19f82 | 1023 | guint i, nb_trace; |
2a2fa4f0 | 1024 | |
922581a4 YB |
1025 | |
1026 | ||
90e19f82 | 1027 | LttvTraceContext *tc; |
2a2fa4f0 | 1028 | |
90e19f82 AM |
1029 | //g_tree_destroy(self->pqueue); |
1030 | //self->pqueue = g_tree_new(compare_tracefile); | |
348c6ba8 | 1031 | |
90e19f82 AM |
1032 | nb_trace = lttv_traceset_number(self->ts); |
1033 | for(i = 0 ; i < nb_trace ; i++) { | |
1034 | tc = self->traces[i]; | |
1035 | lttv_process_trace_seek_time(tc, start); | |
1036 | } | |
922581a4 | 1037 | #endif |
dc877563 | 1038 | } |
b445142a | 1039 | |
308711e5 | 1040 | |
8697a616 | 1041 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
90e19f82 | 1042 | const LttvTracesetContextPosition *pos) |
308711e5 | 1043 | { |
90e19f82 AM |
1044 | guint i; |
1045 | /* If a position is set, seek the traceset to this position */ | |
1046 | if(ltt_time_compare(pos->timestamp, ltt_time_infinite) != 0) { | |
1047 | ||
1048 | /* Test to see if the traces has been added to the trace set : | |
1049 | * It should NEVER happen. Clear all positions if a new trace comes in. */ | |
1050 | /* FIXME I know this test is not optimal : should keep a number of | |
1051 | * tracefiles variable in the traceset.. eventually */ | |
1052 | guint num_traces = lttv_traceset_number(self->ts); | |
1053 | guint tf_count = 0; | |
1054 | for(i=0; i<num_traces;i++) { | |
1055 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1056 | guint j; | |
1057 | guint num_tracefiles = tracefiles->len; | |
1058 | for(j=0;j<num_tracefiles;j++) | |
1059 | tf_count++; | |
1060 | } | |
1061 | g_assert(tf_count == pos->tfcp->len); | |
1062 | ||
1063 | ||
1064 | //g_tree_destroy(self->pqueue); | |
1065 | //self->pqueue = g_tree_new(compare_tracefile); | |
1066 | ||
1067 | for(i=0;i<pos->tfcp->len; i++) { | |
1068 | LttvTracefileContextPosition *tfcp = | |
1069 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1070 | ||
1071 | g_tree_remove(self->pqueue, tfcp->tfc); | |
1072 | ||
1073 | if(tfcp->used == TRUE) { | |
1074 | if(ltt_tracefile_seek_position(tfcp->tfc->tf, tfcp->event) != 0) | |
1075 | return 1; | |
1076 | tfcp->tfc->timestamp = | |
1077 | ltt_event_time(ltt_tracefile_get_event(tfcp->tfc->tf)); | |
1078 | g_assert(ltt_time_compare(tfcp->tfc->timestamp, | |
1079 | ltt_time_infinite) != 0); | |
1080 | g_tree_insert(self->pqueue, tfcp->tfc, tfcp->tfc); | |
1081 | ||
1082 | } else { | |
1083 | tfcp->tfc->timestamp = ltt_time_infinite; | |
1084 | } | |
1085 | } | |
1086 | } | |
e7f5e89d | 1087 | #ifdef DEBUG |
90e19f82 AM |
1088 | test_time.tv_sec = 0; |
1089 | test_time.tv_nsec = 0; | |
1090 | g_debug("test tree after seek_position"); | |
1091 | g_tree_foreach(self->pqueue, test_tree, NULL); | |
e7f5e89d | 1092 | #endif //DEBUG |
1093 | ||
1094 | ||
1095 | ||
90e19f82 | 1096 | return 0; |
308711e5 | 1097 | } |
1098 | ||
1099 | ||
f57fd845 | 1100 | #if 0 // pmf: temporary disable |
b445142a | 1101 | static LttField * |
eed2ef37 | 1102 | find_field(LttEventType *et, const GQuark field) |
b445142a | 1103 | { |
90e19f82 AM |
1104 | LttField *f; |
1105 | ||
1106 | if(field == 0) return NULL; | |
1107 | ||
1108 | f = ltt_eventtype_field_by_name(et, field); | |
1109 | if (!f) { | |
1110 | g_warning("Cannot find field %s in event %s.%s", g_quark_to_string(field), | |
1111 | g_quark_to_string(ltt_facility_name(ltt_eventtype_facility(et))), | |
1112 | g_quark_to_string(ltt_eventtype_name(et))); | |
1113 | } | |
1114 | ||
1115 | return f; | |
b445142a | 1116 | } |
f57fd845 | 1117 | #endif |
b445142a | 1118 | |
f57fd845 | 1119 | struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th) |
eed2ef37 | 1120 | { |
90e19f82 | 1121 | return marker_get_info_from_id(th->mdata, th->id); |
eed2ef37 | 1122 | } |
1123 | ||
750eb11a | 1124 | int lttv_trace_find_hook(LttTrace *t, GQuark channel_name, GQuark event_name, |
90e19f82 AM |
1125 | GQuark fields[], LttvHook h, gpointer hook_data, |
1126 | GArray **trace_hooks) | |
b445142a | 1127 | { |
90e19f82 AM |
1128 | struct marker_info *info; |
1129 | guint16 marker_id; | |
1130 | int init_array_size; | |
1131 | GArray *group; | |
1132 | struct marker_data *mdata; | |
1133 | ||
1134 | group = g_datalist_id_get_data(&t->tracefiles, channel_name); | |
1135 | if (unlikely(!group || group->len == 0)) { | |
1136 | g_info("No channel for marker named %s.%s found", | |
1137 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1138 | return 1; | |
1139 | } | |
1140 | ||
1141 | mdata = g_array_index (group, LttTracefile, 0).mdata; | |
1142 | info = marker_get_info_from_name(mdata, event_name); | |
1143 | if(unlikely(info == NULL)) { | |
1144 | g_info("No marker named %s.%s found", | |
1145 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1146 | return 1; | |
1147 | } | |
1148 | ||
1149 | init_array_size = (*trace_hooks)->len; | |
1150 | ||
1151 | /* for each marker with the requested name */ | |
1152 | do { | |
1153 | LttvTraceHook tmpth; | |
1154 | int found; | |
1155 | GQuark *f; | |
1156 | struct marker_field *marker_field; | |
1157 | ||
1158 | marker_id = marker_get_id_from_info(mdata, info); | |
1159 | ||
1160 | tmpth.h = h; | |
1161 | tmpth.mdata = mdata; | |
1162 | tmpth.channel = channel_name; | |
1163 | tmpth.id = marker_id; | |
1164 | tmpth.hook_data = hook_data; | |
1165 | tmpth.fields = g_ptr_array_new(); | |
1166 | ||
1167 | /* for each field requested */ | |
1168 | for(f = fields; f && *f != 0; f++) { | |
1169 | found = 0; | |
1170 | for_each_marker_field(marker_field, info) { | |
1171 | if(marker_field->name == *f) { | |
1172 | found = 1; | |
1173 | g_ptr_array_add(tmpth.fields, marker_field); | |
1174 | break; | |
1175 | } | |
1176 | } | |
1177 | if(!found) { | |
1178 | /* Did not find the one of the fields in this instance of the | |
1179 | marker. Print a warning and skip this marker completely. | |
1180 | Still iterate on other markers with same name. */ | |
1181 | g_ptr_array_free(tmpth.fields, TRUE); | |
1182 | g_info("Field %s cannot be found in marker %s.%s", | |
1183 | g_quark_to_string(*f), g_quark_to_string(channel_name), | |
1184 | g_quark_to_string(event_name)); | |
1185 | goto skip_marker; | |
1186 | } | |
1187 | } | |
1188 | /* all fields were found: add the tracehook to the array */ | |
1189 | *trace_hooks = g_array_append_val(*trace_hooks, tmpth); | |
6418800d | 1190 | skip_marker: |
90e19f82 AM |
1191 | info = info->next; |
1192 | } while(info != NULL); | |
1193 | ||
1194 | /* Error if no new trace hook has been added */ | |
1195 | if (init_array_size == (*trace_hooks)->len) { | |
1196 | g_info("No marker of name %s.%s has all requested fields", | |
1197 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1198 | return 1; | |
1199 | } | |
1200 | return 0; | |
eed2ef37 | 1201 | } |
1202 | ||
032ba5da | 1203 | void lttv_trace_hook_remove_all(GArray **th) |
eed2ef37 | 1204 | { |
90e19f82 AM |
1205 | int i; |
1206 | for(i=0; i<(*th)->len; i++) { | |
1207 | g_ptr_array_free(g_array_index(*th, LttvTraceHook, i).fields, TRUE); | |
1208 | } | |
1209 | if((*th)->len) | |
1210 | *th = g_array_remove_range(*th, 0, (*th)->len); | |
b445142a | 1211 | } |
1212 | ||
90e19f82 AM |
1213 | LttvTracesetContextPosition * |
1214 | lttv_traceset_context_position_new(const LttvTracesetContext *self) | |
5e2c04a2 | 1215 | { |
90e19f82 AM |
1216 | guint num_traces = lttv_traceset_number(self->ts); |
1217 | guint tf_count = 0; | |
1218 | guint i; | |
1219 | ||
1220 | for(i=0; i<num_traces;i++) { | |
1221 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1222 | guint j; | |
1223 | guint num_tracefiles = tracefiles->len; | |
1224 | for(j=0;j<num_tracefiles;j++) | |
1225 | tf_count++; | |
1226 | } | |
1227 | LttvTracesetContextPosition *pos = g_new(LttvTracesetContextPosition, 1); | |
1228 | pos->tfcp = g_array_sized_new(FALSE, TRUE, | |
1229 | sizeof(LttvTracefileContextPosition), | |
1230 | tf_count); | |
1231 | g_array_set_size(pos->tfcp, tf_count); | |
1232 | for(i=0;i<pos->tfcp->len;i++) { | |
1233 | LttvTracefileContextPosition *tfcp = | |
1234 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1235 | tfcp->event = ltt_event_position_new(); | |
1236 | } | |
1237 | ||
1238 | pos->timestamp = ltt_time_infinite; | |
1239 | return pos; | |
5e2c04a2 | 1240 | } |
1241 | ||
3054461a | 1242 | /* Save all positions, the ones with infinite time will have NULL |
1986f254 | 1243 | * ep. */ |
9ba3aaaf | 1244 | /* note : a position must be destroyed when a trace is added/removed from a |
1245 | * traceset */ | |
27304273 | 1246 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
90e19f82 | 1247 | LttvTracesetContextPosition *pos) |
27304273 | 1248 | { |
90e19f82 AM |
1249 | guint i; |
1250 | guint num_traces = lttv_traceset_number(self->ts); | |
1251 | guint tf_count = 0; | |
1252 | ||
1253 | pos->timestamp = ltt_time_infinite; | |
1254 | ||
1255 | for(i=0; i<num_traces;i++) { | |
1256 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1257 | guint j; | |
1258 | guint num_tracefiles = tracefiles->len; | |
1259 | ||
1260 | for(j=0;j<num_tracefiles;j++) { | |
1261 | g_assert(tf_count < pos->tfcp->len); | |
1262 | LttvTracefileContext **tfc = &g_array_index(tracefiles, | |
1263 | LttvTracefileContext*, j); | |
1264 | LttvTracefileContextPosition *tfcp = | |
1265 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, tf_count); | |
1266 | ||
1267 | tfcp->tfc = *tfc; | |
1268 | ||
1269 | if(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0) { | |
1270 | LttEvent *event = ltt_tracefile_get_event((*tfc)->tf); | |
1271 | ltt_event_position(event, tfcp->event); | |
1272 | if(ltt_time_compare((*tfc)->timestamp, pos->timestamp) < 0) | |
1273 | pos->timestamp = (*tfc)->timestamp; | |
1274 | tfcp->used = TRUE; | |
1275 | } else { | |
1276 | tfcp->used = FALSE; | |
1277 | } | |
1278 | ||
1279 | //g_array_append_val(pos->tfc, *tfc); | |
1280 | //g_array_append_val(pos->ep, ep); | |
1281 | tf_count++; | |
1282 | } | |
1283 | ||
1284 | } | |
8697a616 | 1285 | } |
1286 | ||
1287 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) | |
1288 | { | |
90e19f82 AM |
1289 | int i; |
1290 | ||
1291 | for(i=0;i<pos->tfcp->len;i++) { | |
1292 | LttvTracefileContextPosition *tfcp = | |
1293 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1294 | g_free(tfcp->event); | |
1295 | tfcp->event = NULL; | |
1296 | tfcp->used = FALSE; | |
1297 | } | |
1298 | g_array_free(pos->tfcp, TRUE); | |
1299 | g_free(pos); | |
8697a616 | 1300 | } |
1301 | ||
5e2c04a2 | 1302 | void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest, |
90e19f82 | 1303 | const LttvTracesetContextPosition *src) |
5e2c04a2 | 1304 | { |
90e19f82 AM |
1305 | int i; |
1306 | LttvTracefileContextPosition *src_tfcp, *dest_tfcp; | |
1307 | ||
1308 | g_assert(src->tfcp->len == dest->tfcp->len); | |
1309 | ||
1310 | for(i=0;i<src->tfcp->len;i++) { | |
1311 | src_tfcp = | |
1312 | &g_array_index(src->tfcp, LttvTracefileContextPosition, i); | |
1313 | dest_tfcp = | |
1314 | &g_array_index(dest->tfcp, LttvTracefileContextPosition, i); | |
1315 | ||
1316 | dest_tfcp->used = src_tfcp->used; | |
1317 | dest_tfcp->tfc = src_tfcp->tfc; | |
1318 | ||
1319 | if(src_tfcp->used) { | |
1320 | ltt_event_position_copy( | |
1321 | dest_tfcp->event, | |
1322 | src_tfcp->event); | |
1323 | } | |
1324 | } | |
1325 | dest->timestamp = src->timestamp; | |
5e2c04a2 | 1326 | } |
1327 | ||
8697a616 | 1328 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
90e19f82 | 1329 | const LttvTracesetContextPosition *pos) |
8697a616 | 1330 | { |
90e19f82 AM |
1331 | int i; |
1332 | int ret = 0; | |
1333 | ||
1334 | if(pos->tfcp->len == 0) { | |
1335 | if(lttv_traceset_number(self->ts) == 0) return 0; | |
1336 | else return 1; | |
1337 | } | |
1338 | if(lttv_traceset_number(self->ts) == 0) | |
1339 | return -1; | |
1340 | ||
1341 | for(i=0;i<pos->tfcp->len;i++) { | |
1342 | LttvTracefileContextPosition *tfcp = | |
1343 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1344 | ||
1345 | if(tfcp->used == FALSE) { | |
1346 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) < 0) { | |
1347 | ret = -1; | |
1348 | } | |
1349 | } else { | |
1350 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) == 0) { | |
1351 | ret = 1; | |
1352 | } else { | |
1353 | LttEvent *event = ltt_tracefile_get_event(tfcp->tfc->tf); | |
1354 | ||
1355 | ret = ltt_event_position_compare((LttEventPosition*)event, | |
1356 | tfcp->event); | |
1357 | } | |
1358 | } | |
1359 | if(ret != 0) return ret; | |
1360 | ||
1361 | } | |
1362 | return 0; | |
8697a616 | 1363 | } |
1364 | ||
1365 | ||
90e19f82 AM |
1366 | gint |
1367 | lttv_traceset_context_pos_pos_compare(const LttvTracesetContextPosition *pos1, | |
1368 | const LttvTracesetContextPosition *pos2) | |
8697a616 | 1369 | { |
90e19f82 AM |
1370 | int i, j; |
1371 | int ret = 0; | |
1372 | ||
1373 | if(ltt_time_compare(pos1->timestamp, ltt_time_infinite) == 0) { | |
1374 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) | |
1375 | return 0; | |
1376 | else | |
1377 | return 1; | |
1378 | } | |
1379 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) | |
1380 | return -1; | |
1381 | ||
1382 | for(i=0;i<pos1->tfcp->len;i++) { | |
1383 | LttvTracefileContextPosition *tfcp1 = | |
1384 | &g_array_index(pos1->tfcp, LttvTracefileContextPosition, i); | |
1385 | ||
1386 | if(tfcp1->used == TRUE) { | |
1387 | for(j=0;j<pos2->tfcp->len;j++) { | |
1388 | LttvTracefileContextPosition *tfcp2 = | |
1389 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1390 | ||
1391 | if(tfcp1->tfc == tfcp2->tfc) { | |
1392 | if(tfcp2->used == TRUE) | |
1393 | ret = ltt_event_position_compare(tfcp1->event, tfcp2->event); | |
1394 | else | |
1395 | ret = -1; | |
1396 | ||
1397 | if(ret != 0) return ret; | |
1398 | } | |
1399 | } | |
1400 | ||
1401 | } else { | |
1402 | for(j=0;j<pos2->tfcp->len;j++) { | |
1403 | LttvTracefileContextPosition *tfcp2 = | |
1404 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1405 | ||
1406 | if(tfcp1->tfc == tfcp2->tfc) | |
1407 | if(tfcp2->used == TRUE) ret = 1; | |
1408 | if(ret != 0) return ret; | |
1409 | } | |
1410 | } | |
1411 | } | |
1412 | return 0; | |
8697a616 | 1413 | } |
1414 | ||
1415 | ||
90e19f82 AM |
1416 | LttTime |
1417 | lttv_traceset_context_position_get_time(const LttvTracesetContextPosition *pos) | |
2d262115 | 1418 | { |
90e19f82 | 1419 | return pos->timestamp; |
2d262115 | 1420 | } |
1421 | ||
1422 | ||
90e19f82 AM |
1423 | LttvTracefileContext * |
1424 | lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) | |
2d262115 | 1425 | { |
90e19f82 AM |
1426 | GTree *pqueue = self->pqueue; |
1427 | LttvTracefileContext *tfc = NULL; | |
2d262115 | 1428 | |
90e19f82 | 1429 | g_tree_foreach(pqueue, get_first, &tfc); |
2d262115 | 1430 | |
90e19f82 | 1431 | return tfc; |
2d262115 | 1432 | } |
18c87975 | 1433 | |
2c82c4dc | 1434 | /* lttv_process_traceset_synchronize_tracefiles |
1435 | * | |
1436 | * Use the sync_position field of the trace set context to synchronize each | |
1437 | * tracefile with the previously saved position. | |
1438 | * | |
1439 | * If no previous position has been saved, it simply does nothing. | |
1440 | */ | |
1441 | void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc) | |
1442 | { | |
90e19f82 | 1443 | int retval; |
8f318283 | 1444 | |
90e19f82 AM |
1445 | retval= lttv_process_traceset_seek_position(tsc, tsc->sync_position); |
1446 | g_assert_cmpint(retval, ==, 0); | |
2c82c4dc | 1447 | } |
1448 | ||
1449 | ||
1450 | ||
1451 | ||
1452 | void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc) | |
1453 | { | |
90e19f82 | 1454 | lttv_traceset_context_position_save(tsc, tsc->sync_position); |
2c82c4dc | 1455 | } |
1456 | ||
0bd2f89c | 1457 | struct seek_back_data { |
90e19f82 AM |
1458 | guint first_event; /* Index of the first event in the array : we will always |
1459 | overwrite at this position : this is a circular array. | |
1460 | */ | |
1461 | guint events_found; | |
1462 | guint n; /* number of events requested */ | |
1463 | GPtrArray *array; /* array of LttvTracesetContextPositions pointers */ | |
1464 | LttvFilter *filter1; | |
1465 | LttvFilter *filter2; | |
1466 | LttvFilter *filter3; | |
1467 | gpointer data; | |
1468 | check_handler *check; | |
1469 | gboolean *stop_flag; | |
1470 | guint raw_event_count; | |
0bd2f89c | 1471 | }; |
1472 | ||
1473 | static gint seek_back_event_hook(void *hook_data, void* call_data) | |
1474 | { | |
90e19f82 AM |
1475 | struct seek_back_data *sd = (struct seek_back_data*)hook_data; |
1476 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; | |
1477 | LttvTracesetContext *tsc = tfc->t_context->ts_context; | |
1478 | LttvTracesetContextPosition *pos; | |
1479 | ||
1480 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) | |
1481 | return TRUE; | |
1482 | sd->raw_event_count++; | |
1483 | ||
1484 | if(sd->filter1 != NULL && sd->filter1->head != NULL && | |
1485 | !lttv_filter_tree_parse(sd->filter1->head, | |
1486 | ltt_tracefile_get_event(tfc->tf), | |
1487 | tfc->tf, | |
1488 | tfc->t_context->t, | |
1489 | tfc,NULL,NULL)) { | |
1490 | return FALSE; | |
1491 | } | |
1492 | if(sd->filter2 != NULL && sd->filter2->head != NULL && | |
1493 | !lttv_filter_tree_parse(sd->filter2->head, | |
1494 | ltt_tracefile_get_event(tfc->tf), | |
1495 | tfc->tf, | |
1496 | tfc->t_context->t, | |
1497 | tfc,NULL,NULL)) { | |
1498 | return FALSE; | |
1499 | } | |
1500 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1501 | !lttv_filter_tree_parse(sd->filter3->head, | |
1502 | ltt_tracefile_get_event(tfc->tf), | |
1503 | tfc->tf, | |
1504 | tfc->t_context->t, | |
1505 | tfc,NULL,NULL)) { | |
1506 | return FALSE; | |
1507 | } | |
1508 | ||
1509 | pos = (LttvTracesetContextPosition*)g_ptr_array_index (sd->array, | |
1510 | sd->first_event); | |
1511 | ||
1512 | lttv_traceset_context_position_save(tsc, pos); | |
1513 | ||
1514 | if(sd->first_event >= sd->array->len - 1) sd->first_event = 0; | |
1515 | else sd->first_event++; | |
1516 | ||
1517 | sd->events_found = min(sd->n, sd->events_found + 1); | |
1518 | ||
1519 | return FALSE; | |
0bd2f89c | 1520 | } |
1521 | ||
0bd2f89c | 1522 | /* Seek back n events back from the current position. |
1523 | * | |
1524 | * Parameters : | |
1525 | * @self The trace set context | |
1526 | * @n number of events to jump over | |
9ba3aaaf | 1527 | * @first_offset The initial offset value used. |
33e44b82 | 1528 | * never put first_offset at ltt_time_zero. |
1529 | * @time_seeker Function pointer of the function to use to seek time : | |
1530 | * either lttv_process_traceset_seek_time | |
1531 | * or lttv_state_traceset_seek_time_closest | |
1532 | * @filter The filter to call. | |
0bd2f89c | 1533 | * |
1534 | * Return value : the number of events found (might be lower than the number | |
1535 | * requested if beginning of traceset is reached). | |
1536 | * | |
1537 | * The first search will go back first_offset and try to find the last n events | |
1538 | * matching the filter. If there are not enough, it will try to go back from the | |
1539 | * new trace point from first_offset*2, and so on, until beginning of trace or n | |
1540 | * events are found. | |
1541 | * | |
1542 | * Note : this function does not take in account the LttvFilter : use the | |
1543 | * similar function found in state.c instead. | |
1544 | * | |
1545 | * Note2 : the caller must make sure that the LttvTracesetContext does not | |
1546 | * contain any hook, as process_traceset_middle is used in this routine. | |
1547 | */ | |
1548 | guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self, | |
90e19f82 AM |
1549 | guint n, LttTime first_offset, |
1550 | seek_time_fct time_seeker, | |
1551 | check_handler *check, | |
1552 | gboolean *stop_flag, | |
1553 | LttvFilter *filter1, | |
1554 | LttvFilter *filter2, | |
1555 | LttvFilter *filter3, | |
1556 | gpointer data) | |
0bd2f89c | 1557 | { |
90e19f82 AM |
1558 | if(lttv_traceset_number(self->ts) == 0) return 0; |
1559 | g_assert(ltt_time_compare(first_offset, ltt_time_zero) != 0); | |
1560 | ||
1561 | guint i; | |
1562 | LttvTracesetContextPosition *next_iter_end_pos = | |
1563 | lttv_traceset_context_position_new(self); | |
1564 | LttvTracesetContextPosition *end_pos = | |
1565 | lttv_traceset_context_position_new(self); | |
1566 | LttvTracesetContextPosition *saved_pos = | |
1567 | lttv_traceset_context_position_new(self); | |
1568 | LttTime time; | |
1569 | LttTime asked_time; | |
1570 | LttTime time_offset; | |
1571 | struct seek_back_data sd; | |
1572 | LttvHooks *hooks = lttv_hooks_new(); | |
1573 | int retval; | |
1574 | ||
1575 | sd.first_event = 0; | |
1576 | sd.events_found = 0; | |
1577 | sd.array = g_ptr_array_sized_new(n); | |
1578 | sd.filter1 = filter1; | |
1579 | sd.filter2 = filter2; | |
1580 | sd.filter3 = filter3; | |
1581 | sd.data = data; | |
1582 | sd.n = n; | |
1583 | sd.check = check; | |
1584 | sd.stop_flag = stop_flag; | |
1585 | sd.raw_event_count = 0; | |
1586 | g_ptr_array_set_size(sd.array, n); | |
1587 | for(i=0;i<n;i++) { | |
1588 | g_ptr_array_index (sd.array, i) = lttv_traceset_context_position_new(self); | |
1589 | } | |
33e44b82 | 1590 | |
90e19f82 AM |
1591 | lttv_traceset_context_position_save(self, next_iter_end_pos); |
1592 | lttv_traceset_context_position_save(self, saved_pos); | |
1593 | /* Get the current time from which we will offset */ | |
1594 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1595 | /* the position saved might be end of traceset... */ | |
1596 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1597 | time = self->time_span.end_time; | |
1598 | } | |
1599 | time_offset = first_offset; | |
0bd2f89c | 1600 | |
90e19f82 AM |
1601 | lttv_hooks_add(hooks, seek_back_event_hook, &sd, LTTV_PRIO_DEFAULT); |
1602 | ||
1603 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1604 | ||
1605 | while(1) { | |
1606 | lttv_traceset_context_position_copy(end_pos, next_iter_end_pos); | |
1607 | ||
1608 | /* We must seek the traceset back to time - time_offset */ | |
1609 | /* this time becomes the new reference time */ | |
1610 | if(ltt_time_compare(time, time_offset) > 0) | |
1611 | time = ltt_time_sub(time, time_offset); | |
1612 | else | |
1613 | time = self->time_span.start_time; | |
1614 | asked_time = time; | |
1615 | ||
1616 | time_seeker(self, time); | |
1617 | lttv_traceset_context_position_save(self, next_iter_end_pos); | |
1618 | /* Resync the time in case of a seek_closest */ | |
1619 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1620 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1621 | time = self->time_span.end_time; | |
1622 | } | |
1623 | ||
1624 | /* Process the traceset, calling a hook which adds events | |
1625 | * to the array, overwriting the tail. It changes first_event and | |
1626 | * events_found too. */ | |
1627 | /* We would like to have a clean context here : no other hook than our's */ | |
1628 | ||
1629 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1630 | G_MAXUINT, end_pos); | |
1631 | ||
1632 | /* stop criteria : - n events found | |
1633 | * - asked_time < beginning of trace */ | |
1634 | if(sd.events_found < n) { | |
1635 | if(sd.first_event > 0) { | |
1636 | /* Save the first position */ | |
1637 | LttvTracesetContextPosition *pos = | |
1638 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, 0); | |
1639 | lttv_traceset_context_position_copy(saved_pos, pos); | |
1640 | } | |
1641 | g_assert(n-sd.events_found <= sd.array->len); | |
1642 | /* Change array size to n - events_found */ | |
1643 | for(i=n-sd.events_found;i<sd.array->len;i++) { | |
1644 | LttvTracesetContextPosition *pos = | |
1645 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1646 | lttv_traceset_context_position_destroy(pos); | |
1647 | } | |
1648 | g_ptr_array_set_size(sd.array, n-sd.events_found); | |
1649 | sd.first_event = 0; | |
1650 | ||
1651 | /* | |
1652 | * Did not fill our event list and started before the beginning of the | |
1653 | * trace. There is no hope to fill it then. | |
1654 | * It is OK to compare with trace start time here because we explicitely | |
1655 | * seeked by time (not by position), so we cannot miss multiple event | |
1656 | * happening exactly at trace start. | |
1657 | */ | |
1658 | if(ltt_time_compare(asked_time, self->time_span.start_time) == 0) | |
1659 | break; | |
1660 | ||
1661 | } else break; /* Second end criterion : n events found */ | |
1662 | ||
1663 | time_offset = ltt_time_mul(time_offset, BACKWARD_SEEK_MUL); | |
1664 | } | |
1665 | ||
1666 | lttv_traceset_context_position_destroy(end_pos); | |
1667 | lttv_traceset_context_position_destroy(next_iter_end_pos); | |
1668 | ||
1669 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1670 | ||
1671 | if(sd.events_found >= n) { | |
1672 | /* Seek the traceset to the first event in the circular array */ | |
1673 | LttvTracesetContextPosition *pos = | |
1674 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, | |
1675 | sd.first_event); | |
1676 | retval= lttv_process_traceset_seek_position(self, pos); | |
1677 | g_assert_cmpint(retval, ==, 0); | |
1678 | } else { | |
1679 | /* Will seek to the last saved position : in the worst case, it will be the | |
1680 | * original position (if events_found is 0) */ | |
1681 | retval= lttv_process_traceset_seek_position(self, saved_pos); | |
1682 | g_assert_cmpint(retval, ==, 0); | |
1683 | } | |
1684 | ||
1685 | for(i=0;i<sd.array->len;i++) { | |
1686 | LttvTracesetContextPosition *pos = | |
1687 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1688 | lttv_traceset_context_position_destroy(pos); | |
1689 | } | |
1690 | g_ptr_array_free(sd.array, TRUE); | |
1691 | ||
1692 | lttv_hooks_destroy(hooks); | |
1693 | ||
1694 | lttv_traceset_context_position_destroy(saved_pos); | |
1695 | ||
1696 | return sd.events_found; | |
0bd2f89c | 1697 | } |
1698 | ||
1699 | ||
1700 | struct seek_forward_data { | |
90e19f82 AM |
1701 | guint event_count; /* event counter */ |
1702 | guint n; /* requested number of events to jump over */ | |
1703 | LttvFilter *filter1; | |
1704 | LttvFilter *filter2; | |
1705 | LttvFilter *filter3; | |
1706 | gpointer data; | |
1707 | check_handler *check; | |
1708 | gboolean *stop_flag; | |
1709 | guint raw_event_count; /* event counter */ | |
0bd2f89c | 1710 | }; |
1711 | ||
1712 | static gint seek_forward_event_hook(void *hook_data, void* call_data) | |
1713 | { | |
90e19f82 AM |
1714 | struct seek_forward_data *sd = (struct seek_forward_data*)hook_data; |
1715 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; | |
1716 | ||
1717 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) | |
1718 | return TRUE; | |
1719 | sd->raw_event_count++; | |
1720 | ||
1721 | if(sd->filter1 != NULL && sd->filter1->head != NULL && | |
1722 | !lttv_filter_tree_parse(sd->filter1->head, | |
1723 | ltt_tracefile_get_event(tfc->tf), | |
1724 | tfc->tf, | |
1725 | tfc->t_context->t, | |
1726 | tfc,NULL,NULL)) { | |
1727 | return FALSE; | |
1728 | } | |
1729 | if(sd->filter2 != NULL && sd->filter2->head != NULL && | |
1730 | !lttv_filter_tree_parse(sd->filter2->head, | |
1731 | ltt_tracefile_get_event(tfc->tf), | |
1732 | tfc->tf, | |
1733 | tfc->t_context->t, | |
1734 | tfc,NULL,NULL)) { | |
1735 | return FALSE; | |
1736 | } | |
1737 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1738 | !lttv_filter_tree_parse(sd->filter3->head, | |
1739 | ltt_tracefile_get_event(tfc->tf), | |
1740 | tfc->tf, | |
1741 | tfc->t_context->t, | |
1742 | tfc,NULL,NULL)) { | |
1743 | return FALSE; | |
1744 | } | |
1745 | ||
1746 | sd->event_count++; | |
1747 | if(sd->event_count >= sd->n) | |
1748 | return TRUE; | |
1749 | return FALSE; | |
0bd2f89c | 1750 | } |
1751 | ||
aaecaa99 | 1752 | /* Seek back n events forward from the current position (1 to n) |
1753 | * 0 is ok too, but it will actually do nothing. | |
0bd2f89c | 1754 | * |
1755 | * Parameters : | |
33e44b82 | 1756 | * @self the trace set context |
1757 | * @n number of events to jump over | |
1758 | * @filter filter to call. | |
0bd2f89c | 1759 | * |
1760 | * returns : the number of events jumped over (may be less than requested if end | |
1761 | * of traceset reached) */ | |
1762 | guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self, | |
90e19f82 AM |
1763 | guint n, |
1764 | check_handler *check, | |
1765 | gboolean *stop_flag, | |
1766 | LttvFilter *filter1, | |
1767 | LttvFilter *filter2, | |
1768 | LttvFilter *filter3, | |
1769 | gpointer data) | |
0bd2f89c | 1770 | { |
90e19f82 AM |
1771 | struct seek_forward_data sd; |
1772 | sd.event_count = 0; | |
1773 | sd.n = n; | |
1774 | sd.filter1 = filter1; | |
1775 | sd.filter2 = filter2; | |
1776 | sd.filter3 = filter3; | |
1777 | sd.data = data; | |
1778 | sd.check = check; | |
1779 | sd.stop_flag = stop_flag; | |
1780 | sd.raw_event_count = 0; | |
1781 | ||
1782 | if(sd.event_count >= sd.n) return sd.event_count; | |
1783 | ||
1784 | LttvHooks *hooks = lttv_hooks_new(); | |
1785 | ||
1786 | lttv_hooks_add(hooks, seek_forward_event_hook, &sd, LTTV_PRIO_DEFAULT); | |
1787 | ||
1788 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1789 | ||
1790 | /* it will end on the end of traceset, or the fact that the | |
1791 | * hook returns TRUE. | |
1792 | */ | |
1793 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1794 | G_MAXUINT, NULL); | |
1795 | ||
1796 | /* Here, our position is either the end of traceset, or the exact position | |
1797 | * after n events : leave it like this. This might be placed on an event that | |
1798 | * will be filtered out, we don't care : all we know is that the following | |
1799 | * event filtered in will be the right one. */ | |
1800 | ||
1801 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1802 | ||
1803 | lttv_hooks_destroy(hooks); | |
1804 | ||
1805 | return sd.event_count; | |
0bd2f89c | 1806 | } |
1807 | ||
1808 |