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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> |
dc877563 | 30 | |
27304273 | 31 | gint compare_tracefile(gconstpointer a, gconstpointer b) |
8697a616 | 32 | { |
cf94ff67 | 33 | gint comparison = 0; |
8697a616 | 34 | |
00e74b69 | 35 | const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a; |
00e74b69 | 36 | const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b; |
8697a616 | 37 | |
1d1df11d | 38 | if(likely(trace_a != trace_b)) { |
8fe3c6b6 | 39 | comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp); |
1d1df11d | 40 | if(unlikely(comparison == 0)) { |
a855f059 | 41 | if(trace_a->index < trace_b->index) comparison = -1; |
42 | else if(trace_a->index > trace_b->index) comparison = 1; | |
43 | else if(trace_a->t_context->index < trace_b->t_context->index) | |
44 | comparison = -1; | |
45 | else if(trace_a->t_context->index > trace_b->t_context->index) | |
46 | comparison = 1; | |
47 | } | |
cf94ff67 | 48 | } |
cf94ff67 | 49 | return comparison; |
8697a616 | 50 | } |
51 | ||
9ba3aaaf | 52 | typedef struct _LttvTracefileContextPosition { |
53 | LttEventPosition *event; | |
54 | LttvTracefileContext *tfc; | |
55 | gboolean used; /* Tells if the tfc is at end of traceset position */ | |
56 | } LttvTracefileContextPosition; | |
57 | ||
58 | ||
8697a616 | 59 | struct _LttvTracesetContextPosition { |
9ba3aaaf | 60 | GArray *tfcp; /* Array of LttvTracefileContextPosition */ |
18c87975 | 61 | LttTime timestamp; /* Current time at the saved position */ |
62 | /* If ltt_time_infinite : no position is | |
63 | * set, else, a position is set (may be end | |
64 | * of trace, with ep->len == 0) */ | |
8697a616 | 65 | }; |
66 | ||
ffd54a90 | 67 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 | 68 | { |
ffd54a90 | 69 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 | 70 | } |
71 | ||
72 | ||
73 | void lttv_context_fini(LttvTracesetContext *self) | |
74 | { | |
75 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); | |
76 | } | |
77 | ||
78 | ||
79 | LttvTracesetContext * | |
80 | lttv_context_new_traceset_context(LttvTracesetContext *self) | |
81 | { | |
82 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); | |
83 | } | |
84 | ||
85 | ||
86 | ||
87 | ||
88 | LttvTraceContext * | |
89 | lttv_context_new_trace_context(LttvTracesetContext *self) | |
90 | { | |
91 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); | |
92 | } | |
93 | ||
94 | ||
95 | LttvTracefileContext * | |
96 | lttv_context_new_tracefile_context(LttvTracesetContext *self) | |
97 | { | |
c6bc9cb9 | 98 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 | 99 | } |
100 | ||
f7afe191 | 101 | /**************************************************************************** |
102 | * lttv_traceset_context_compute_time_span | |
103 | * | |
14bc9b7c | 104 | * Keep the time span in sync with on the fly addition and removal of traces |
f7afe191 | 105 | * in a trace set. It must be called each time a trace is added/removed from |
106 | * the traceset. It could be more efficient to call it only once a bunch | |
107 | * of traces are loaded, but the calculation is not long, so it's not | |
108 | * critical. | |
109 | * | |
110 | * Author : Xang Xiu Yang | |
f7afe191 | 111 | ***************************************************************************/ |
112 | static void lttv_traceset_context_compute_time_span( | |
113 | LttvTracesetContext *self, | |
33f7a12c | 114 | TimeInterval *time_span) |
f7afe191 | 115 | { |
116 | LttvTraceset * traceset = self->ts; | |
117 | int numTraces = lttv_traceset_number(traceset); | |
118 | int i; | |
119 | LttTime s, e; | |
120 | LttvTraceContext *tc; | |
121 | LttTrace * trace; | |
122 | ||
33f7a12c | 123 | time_span->start_time.tv_sec = 0; |
124 | time_span->start_time.tv_nsec = 0; | |
125 | time_span->end_time.tv_sec = 0; | |
126 | time_span->end_time.tv_nsec = 0; | |
912be9a5 | 127 | |
f7afe191 | 128 | for(i=0; i<numTraces;i++){ |
129 | tc = self->traces[i]; | |
130 | trace = tc->t; | |
131 | ||
132 | ltt_trace_time_span_get(trace, &s, &e); | |
14aecf75 | 133 | tc->time_span.start_time = s; |
134 | tc->time_span.end_time = e; | |
f7afe191 | 135 | |
136 | if(i==0){ | |
33f7a12c | 137 | time_span->start_time = s; |
138 | time_span->end_time = e; | |
f7afe191 | 139 | }else{ |
33f7a12c | 140 | if(s.tv_sec < time_span->start_time.tv_sec |
141 | || (s.tv_sec == time_span->start_time.tv_sec | |
142 | && s.tv_nsec < time_span->start_time.tv_nsec)) | |
143 | time_span->start_time = s; | |
144 | if(e.tv_sec > time_span->end_time.tv_sec | |
145 | || (e.tv_sec == time_span->end_time.tv_sec | |
146 | && e.tv_nsec > time_span->end_time.tv_nsec)) | |
147 | time_span->end_time = e; | |
f7afe191 | 148 | } |
149 | } | |
150 | } | |
151 | ||
eed2ef37 | 152 | static void init_tracefile_context(LttTracefile *tracefile, |
153 | LttvTraceContext *tc) | |
154 | { | |
155 | LttvTracefileContext *tfc; | |
156 | LttvTracesetContext *tsc = tc->ts_context; | |
157 | ||
158 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->new_tracefile_context(tsc); | |
159 | ||
160 | tfc->index = tc->tracefiles->len; | |
161 | tc->tracefiles = g_array_append_val(tc->tracefiles, tfc); | |
162 | ||
163 | tfc->tf = tracefile; | |
164 | ||
165 | tfc->t_context = tc; | |
166 | tfc->event = lttv_hooks_new(); | |
167 | tfc->event_by_id = lttv_hooks_by_id_new(); | |
168 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
e38d9ea0 | 169 | tfc->target_pid = -1; |
eed2ef37 | 170 | } |
171 | ||
dc877563 | 172 | |
173 | static void | |
174 | init(LttvTracesetContext *self, LttvTraceset *ts) | |
175 | { | |
327a4314 | 176 | guint i, nb_trace; |
dc877563 | 177 | |
178 | LttvTraceContext *tc; | |
179 | ||
3865ea09 | 180 | GData **tracefiles_groups; |
dc877563 | 181 | |
eed2ef37 | 182 | struct compute_tracefile_group_args args; |
308711e5 | 183 | |
dc877563 | 184 | nb_trace = lttv_traceset_number(ts); |
185 | self->ts = ts; | |
ffd54a90 | 186 | self->traces = g_new(LttvTraceContext *, nb_trace); |
ffd54a90 | 187 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 | 188 | self->ts_a = lttv_traceset_attribute(ts); |
dc877563 | 189 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 | 190 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 | 191 | self->traces[i] = tc; |
192 | ||
193 | tc->ts_context = self; | |
194 | tc->index = i; | |
308711e5 | 195 | tc->vt = lttv_traceset_get(ts, i); |
196 | tc->t = lttv_trace(tc->vt); | |
ffd54a90 | 197 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
308711e5 | 198 | tc->t_a = lttv_trace_attribute(tc->vt); |
3865ea09 | 199 | tc->tracefiles = g_array_sized_new(FALSE, TRUE, |
200 | sizeof(LttvTracefileContext*), 10); | |
eed2ef37 | 201 | |
202 | tracefiles_groups = ltt_trace_get_tracefiles_groups(tc->t); | |
e45551ac | 203 | if(tracefiles_groups != NULL) { |
204 | args.func = (ForEachTraceFileFunc)init_tracefile_context; | |
205 | args.func_args = tc; | |
eed2ef37 | 206 | |
e45551ac | 207 | g_datalist_foreach(tracefiles_groups, |
208 | (GDataForeachFunc)compute_tracefile_group, | |
209 | &args); | |
210 | } | |
eed2ef37 | 211 | |
212 | #if 0 | |
dc877563 | 213 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
214 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); | |
215 | nb_tracefile = nb_control + nb_per_cpu; | |
dbb7bb09 | 216 | tc->tracefiles = g_new(LttvTracefileContext *, nb_tracefile); |
dc877563 | 217 | |
218 | for(j = 0 ; j < nb_tracefile ; j++) { | |
ffd54a90 | 219 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dbb7bb09 | 220 | tc->tracefiles[j] = tfc; |
221 | tfc->index = j; | |
222 | ||
dc877563 | 223 | if(j < nb_control) { |
dc877563 | 224 | tfc->control = TRUE; |
ffd54a90 | 225 | tfc->tf = ltt_trace_control_tracefile_get(tc->t, j); |
dc877563 | 226 | } |
227 | else { | |
dc877563 | 228 | tfc->control = FALSE; |
ffd54a90 | 229 | tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control); |
dc877563 | 230 | } |
eed2ef37 | 231 | |
dc877563 | 232 | tfc->t_context = tc; |
d3e01c7a | 233 | tfc->e = ltt_event_new(); |
8697a616 | 234 | tfc->event = lttv_hooks_new(); |
235 | tfc->event_by_id = lttv_hooks_by_id_new(); | |
ffd54a90 | 236 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
dc877563 | 237 | } |
eed2ef37 | 238 | #endif //0 |
239 | ||
dc877563 | 240 | } |
9ba3aaaf | 241 | self->sync_position = lttv_traceset_context_position_new(self); |
2d262115 | 242 | self->pqueue = g_tree_new(compare_tracefile); |
eed2ef37 | 243 | lttv_process_traceset_seek_time(self, ltt_time_zero); |
33f7a12c | 244 | lttv_traceset_context_compute_time_span(self, &self->time_span); |
8697a616 | 245 | |
dc877563 | 246 | } |
247 | ||
248 | ||
249 | void fini(LttvTracesetContext *self) | |
250 | { | |
dbb7bb09 | 251 | guint i, j, nb_trace, nb_tracefile; |
dc877563 | 252 | |
253 | LttvTraceContext *tc; | |
254 | ||
1986f254 | 255 | LttvTracefileContext **tfc; |
dc877563 | 256 | |
ffd54a90 | 257 | LttvTraceset *ts = self->ts; |
dc877563 | 258 | |
8697a616 | 259 | g_tree_destroy(self->pqueue); |
2061e03d | 260 | g_object_unref(self->a); |
18c87975 | 261 | lttv_traceset_context_position_destroy(self->sync_position); |
dc877563 | 262 | |
263 | nb_trace = lttv_traceset_number(ts); | |
264 | ||
265 | for(i = 0 ; i < nb_trace ; i++) { | |
266 | tc = self->traces[i]; | |
267 | ||
ffd54a90 | 268 | g_object_unref(tc->a); |
dc877563 | 269 | |
eed2ef37 | 270 | nb_tracefile = tc->tracefiles->len; |
dc877563 | 271 | |
272 | for(j = 0 ; j < nb_tracefile ; j++) { | |
1986f254 | 273 | tfc = &g_array_index(tc->tracefiles, LttvTracefileContext*, j); |
274 | lttv_hooks_destroy((*tfc)->event); | |
275 | lttv_hooks_by_id_destroy((*tfc)->event_by_id); | |
276 | g_object_unref((*tfc)->a); | |
277 | g_object_unref(*tfc); | |
dc877563 | 278 | } |
eed2ef37 | 279 | g_array_free(tc->tracefiles, TRUE); |
dc877563 | 280 | g_object_unref(tc); |
281 | } | |
282 | g_free(self->traces); | |
283 | } | |
284 | ||
285 | ||
286 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, | |
8697a616 | 287 | LttvHooks *before_traceset, |
dc877563 | 288 | LttvHooks *before_trace, |
ffd54a90 | 289 | LttvHooks *before_tracefile, |
8697a616 | 290 | LttvHooks *event, |
750eb11a | 291 | LttvHooksByIdChannelArray *event_by_id_channel) |
dc877563 | 292 | { |
293 | LttvTraceset *ts = self->ts; | |
294 | ||
8697a616 | 295 | guint i, nb_trace; |
dc877563 | 296 | |
297 | LttvTraceContext *tc; | |
298 | ||
8697a616 | 299 | lttv_hooks_call(before_traceset, self); |
dc877563 | 300 | |
dc877563 | 301 | nb_trace = lttv_traceset_number(ts); |
302 | ||
303 | for(i = 0 ; i < nb_trace ; i++) { | |
304 | tc = self->traces[i]; | |
8697a616 | 305 | lttv_trace_context_add_hooks(tc, |
306 | before_trace, | |
307 | before_tracefile, | |
308 | event, | |
750eb11a | 309 | event_by_id_channel); |
dc877563 | 310 | } |
311 | } | |
312 | ||
313 | ||
314 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, | |
dc877563 | 315 | LttvHooks *after_traceset, |
dc877563 | 316 | LttvHooks *after_trace, |
ffd54a90 | 317 | LttvHooks *after_tracefile, |
8697a616 | 318 | LttvHooks *event, |
750eb11a | 319 | LttvHooksByIdChannelArray *event_by_id_channel) |
dc877563 | 320 | { |
8697a616 | 321 | |
dc877563 | 322 | LttvTraceset *ts = self->ts; |
323 | ||
8697a616 | 324 | guint i, nb_trace; |
dc877563 | 325 | |
326 | LttvTraceContext *tc; | |
327 | ||
dc877563 | 328 | nb_trace = lttv_traceset_number(ts); |
329 | ||
330 | for(i = 0 ; i < nb_trace ; i++) { | |
331 | tc = self->traces[i]; | |
8697a616 | 332 | lttv_trace_context_remove_hooks(tc, |
333 | after_trace, | |
334 | after_tracefile, | |
335 | event, | |
750eb11a | 336 | event_by_id_channel); |
dc877563 | 337 | } |
8697a616 | 338 | |
339 | lttv_hooks_call(after_traceset, self); | |
340 | ||
341 | ||
dc877563 | 342 | } |
343 | ||
8697a616 | 344 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
345 | LttvHooks *before_trace, | |
346 | LttvHooks *before_tracefile, | |
347 | LttvHooks *event, | |
750eb11a | 348 | LttvHooksByIdChannelArray *event_by_id_channel) |
a8c0f09d | 349 | { |
750eb11a | 350 | guint i, j, nb_tracefile; |
1986f254 | 351 | LttvTracefileContext **tfc; |
750eb11a | 352 | LttTracefile *tf; |
8697a616 | 353 | |
354 | lttv_hooks_call(before_trace, self); | |
eed2ef37 | 355 | |
356 | nb_tracefile = self->tracefiles->len; | |
8697a616 | 357 | |
358 | for(i = 0 ; i < nb_tracefile ; i++) { | |
1986f254 | 359 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); |
750eb11a | 360 | tf = (*tfc)->tf; |
1986f254 | 361 | lttv_tracefile_context_add_hooks(*tfc, |
8697a616 | 362 | before_tracefile, |
363 | event, | |
750eb11a | 364 | NULL); |
365 | if (event_by_id_channel) { | |
366 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
367 | LttvHooksByIdChannel *hooks = &g_array_index(event_by_id_channel->array, | |
368 | LttvHooksByIdChannel, j); | |
369 | if (tf->name == hooks->channel) | |
370 | lttv_tracefile_context_add_hooks(*tfc, | |
371 | NULL, | |
372 | NULL, | |
373 | hooks->hooks_by_id); | |
374 | } | |
375 | } | |
8697a616 | 376 | } |
a8c0f09d | 377 | } |
378 | ||
8697a616 | 379 | |
380 | ||
381 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, | |
382 | LttvHooks *after_trace, | |
383 | LttvHooks *after_tracefile, | |
384 | LttvHooks *event, | |
750eb11a | 385 | LttvHooksByIdChannelArray *event_by_id_channel) |
a8c0f09d | 386 | { |
750eb11a | 387 | guint i, j, nb_tracefile; |
1986f254 | 388 | LttvTracefileContext **tfc; |
750eb11a | 389 | LttTracefile *tf; |
8697a616 | 390 | |
eed2ef37 | 391 | nb_tracefile = self->tracefiles->len; |
8697a616 | 392 | |
393 | for(i = 0 ; i < nb_tracefile ; i++) { | |
1986f254 | 394 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); |
750eb11a | 395 | tf = (*tfc)->tf; |
396 | if (event_by_id_channel) { | |
397 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
398 | LttvHooksByIdChannel *hooks = &g_array_index(event_by_id_channel->array, | |
399 | LttvHooksByIdChannel, j); | |
400 | if (tf->name == hooks->channel) | |
401 | lttv_tracefile_context_remove_hooks(*tfc, | |
402 | NULL, | |
403 | NULL, | |
404 | hooks->hooks_by_id); | |
405 | } | |
406 | } | |
1986f254 | 407 | lttv_tracefile_context_remove_hooks(*tfc, |
750eb11a | 408 | after_tracefile, |
409 | event, | |
410 | NULL); | |
411 | ||
8697a616 | 412 | } |
413 | ||
414 | lttv_hooks_call(after_trace, self); | |
a8c0f09d | 415 | } |
416 | ||
8697a616 | 417 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
418 | LttvHooks *before_tracefile, | |
419 | LttvHooks *event, | |
420 | LttvHooksById *event_by_id) | |
a8c0f09d | 421 | { |
9d239bd9 | 422 | guint i, index; |
8697a616 | 423 | LttvHooks *hook; |
424 | ||
425 | lttv_hooks_call(before_tracefile, self); | |
426 | lttv_hooks_add_list(self->event, event); | |
9d239bd9 | 427 | if(event_by_id != NULL) { |
428 | for(i = 0; i < event_by_id->array->len; i++) { | |
429 | index = g_array_index(event_by_id->array, guint, i); | |
430 | hook = lttv_hooks_by_id_find(self->event_by_id, index); | |
431 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, index)); | |
8697a616 | 432 | } |
9d239bd9 | 433 | } |
a8c0f09d | 434 | } |
435 | ||
8697a616 | 436 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
437 | LttvHooks *after_tracefile, | |
438 | LttvHooks *event, | |
439 | LttvHooksById *event_by_id) | |
a8c0f09d | 440 | { |
9d239bd9 | 441 | guint i, index; |
8697a616 | 442 | |
443 | LttvHooks *hook; | |
444 | ||
8697a616 | 445 | lttv_hooks_remove_list(self->event, event); |
9d239bd9 | 446 | if(event_by_id != NULL) { |
447 | for(i = 0; i < event_by_id->array->len; i++) { | |
448 | index = g_array_index(event_by_id->array, guint, i); | |
449 | hook = lttv_hooks_by_id_get(self->event_by_id, index); | |
41a9e0c3 | 450 | if(hook != NULL) |
9d239bd9 | 451 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, index)); |
8697a616 | 452 | } |
9d239bd9 | 453 | } |
8697a616 | 454 | |
455 | lttv_hooks_call(after_tracefile, self); | |
a8c0f09d | 456 | } |
457 | ||
ba576a78 | 458 | static LttvTracesetContext * |
dc877563 | 459 | new_traceset_context(LttvTracesetContext *self) |
460 | { | |
ffd54a90 | 461 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 | 462 | } |
463 | ||
464 | ||
ba576a78 | 465 | static LttvTraceContext * |
dc877563 | 466 | new_trace_context(LttvTracesetContext *self) |
467 | { | |
ffd54a90 | 468 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 | 469 | } |
470 | ||
471 | ||
ba576a78 | 472 | static LttvTracefileContext * |
dc877563 | 473 | new_tracefile_context(LttvTracesetContext *self) |
474 | { | |
ffd54a90 | 475 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 | 476 | } |
477 | ||
478 | ||
479 | static void | |
480 | traceset_context_instance_init (GTypeInstance *instance, gpointer g_class) | |
481 | { | |
482 | /* Be careful of anything which would not work well with shallow copies */ | |
483 | } | |
484 | ||
485 | ||
486 | static void | |
487 | traceset_context_finalize (LttvTracesetContext *self) | |
488 | { | |
b445142a | 489 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
490 | ->finalize(G_OBJECT(self)); | |
dc877563 | 491 | } |
492 | ||
493 | ||
494 | static void | |
495 | traceset_context_class_init (LttvTracesetContextClass *klass) | |
496 | { | |
497 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); | |
498 | ||
ffd54a90 | 499 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; |
dc877563 | 500 | klass->init = init; |
501 | klass->fini = fini; | |
502 | klass->new_traceset_context = new_traceset_context; | |
503 | klass->new_trace_context = new_trace_context; | |
504 | klass->new_tracefile_context = new_tracefile_context; | |
505 | } | |
506 | ||
507 | ||
508 | GType | |
ffd54a90 | 509 | lttv_traceset_context_get_type(void) |
dc877563 | 510 | { |
511 | static GType type = 0; | |
512 | if (type == 0) { | |
513 | static const GTypeInfo info = { | |
ffd54a90 | 514 | sizeof (LttvTracesetContextClass), |
dc877563 | 515 | NULL, /* base_init */ |
516 | NULL, /* base_finalize */ | |
ffd54a90 | 517 | (GClassInitFunc) traceset_context_class_init, /* class_init */ |
dc877563 | 518 | NULL, /* class_finalize */ |
519 | NULL, /* class_data */ | |
ffd54a90 | 520 | sizeof (LttvTracesetContext), |
dc877563 | 521 | 0, /* n_preallocs */ |
00e74b69 | 522 | (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */ |
523 | NULL /* Value handling */ | |
dc877563 | 524 | }; |
525 | ||
ffd54a90 | 526 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", |
dc877563 | 527 | &info, 0); |
528 | } | |
529 | return type; | |
530 | } | |
531 | ||
532 | ||
533 | static void | |
534 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) | |
535 | { | |
536 | /* Be careful of anything which would not work well with shallow copies */ | |
537 | } | |
538 | ||
539 | ||
540 | static void | |
541 | trace_context_finalize (LttvTraceContext *self) | |
542 | { | |
b445142a | 543 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
544 | finalize(G_OBJECT(self)); | |
dc877563 | 545 | } |
546 | ||
547 | ||
548 | static void | |
549 | trace_context_class_init (LttvTraceContextClass *klass) | |
550 | { | |
551 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); | |
552 | ||
ffd54a90 | 553 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 | 554 | } |
555 | ||
556 | ||
557 | GType | |
ffd54a90 | 558 | lttv_trace_context_get_type(void) |
dc877563 | 559 | { |
560 | static GType type = 0; | |
561 | if (type == 0) { | |
562 | static const GTypeInfo info = { | |
ffd54a90 | 563 | sizeof (LttvTraceContextClass), |
dc877563 | 564 | NULL, /* base_init */ |
565 | NULL, /* base_finalize */ | |
ffd54a90 | 566 | (GClassInitFunc) trace_context_class_init, /* class_init */ |
dc877563 | 567 | NULL, /* class_finalize */ |
568 | NULL, /* class_data */ | |
c6bc9cb9 | 569 | sizeof (LttvTraceContext), |
dc877563 | 570 | 0, /* n_preallocs */ |
00e74b69 | 571 | (GInstanceInitFunc) trace_context_instance_init, /* instance_init */ |
572 | NULL /* Value handling */ | |
dc877563 | 573 | }; |
574 | ||
ffd54a90 | 575 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", |
dc877563 | 576 | &info, 0); |
577 | } | |
578 | return type; | |
579 | } | |
580 | ||
581 | ||
582 | static void | |
583 | tracefile_context_instance_init (GTypeInstance *instance, gpointer g_class) | |
584 | { | |
585 | /* Be careful of anything which would not work well with shallow copies */ | |
586 | } | |
587 | ||
588 | ||
589 | static void | |
590 | tracefile_context_finalize (LttvTracefileContext *self) | |
591 | { | |
b445142a | 592 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
593 | ->finalize(G_OBJECT(self)); | |
dc877563 | 594 | } |
595 | ||
596 | ||
597 | static void | |
598 | tracefile_context_class_init (LttvTracefileContextClass *klass) | |
599 | { | |
600 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); | |
601 | ||
ffd54a90 | 602 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
603 | } | |
604 | ||
605 | ||
606 | GType | |
607 | lttv_tracefile_context_get_type(void) | |
608 | { | |
609 | static GType type = 0; | |
610 | if (type == 0) { | |
611 | static const GTypeInfo info = { | |
612 | sizeof (LttvTracefileContextClass), | |
613 | NULL, /* base_init */ | |
614 | NULL, /* base_finalize */ | |
615 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ | |
616 | NULL, /* class_finalize */ | |
617 | NULL, /* class_data */ | |
618 | sizeof (LttvTracefileContext), | |
619 | 0, /* n_preallocs */ | |
00e74b69 | 620 | (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */ |
621 | NULL /* Value handling */ | |
ffd54a90 | 622 | }; |
623 | ||
624 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", | |
625 | &info, 0); | |
626 | } | |
627 | return type; | |
dc877563 | 628 | } |
629 | ||
630 | ||
dc877563 | 631 | |
6843100a | 632 | static gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
77199e93 | 633 | g_assert(key == value); |
dc877563 | 634 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; |
635 | return TRUE; | |
636 | } | |
637 | ||
e7f5e89d | 638 | #ifdef DEBUG |
639 | // Test to see if pqueue is traversed in the right order. | |
640 | static LttTime test_time; | |
641 | ||
698e81c2 | 642 | static gboolean test_tree(gpointer key, gpointer value, gpointer user_data) { |
643 | ||
77199e93 | 644 | LttvTracefileContext *tfc = (LttvTracefileContext *)key; |
645 | ||
646 | g_debug("Tracefile name %s, time %lu.%lu, tfi %u, ti %u", | |
647 | g_quark_to_string(ltt_tracefile_name(tfc->tf)), | |
648 | tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec, | |
649 | tfc->index, tfc->t_context->index); | |
e7f5e89d | 650 | |
651 | if(user_data != NULL) { | |
652 | if(((LttvTracefileContext *)user_data) == (LttvTracefileContext *)value) { | |
653 | g_assert(compare_tracefile(user_data, value) == 0); | |
654 | } else | |
655 | g_assert(compare_tracefile(user_data, value) != 0); | |
656 | } | |
657 | g_assert(ltt_time_compare(test_time, tfc->timestamp) <= 0); | |
658 | test_time.tv_sec = tfc->timestamp.tv_sec; | |
659 | test_time.tv_nsec = tfc->timestamp.tv_nsec; | |
77199e93 | 660 | |
77199e93 | 661 | |
662 | //g_assert(((LttvTracefileContext *)user_data) != (LttvTracefileContext *)value); | |
698e81c2 | 663 | return FALSE; |
664 | } | |
e7f5e89d | 665 | #endif //DEBUG |
698e81c2 | 666 | |
667 | ||
dc877563 | 668 | |
8697a616 | 669 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
670 | LttvHooks *before_traceset, | |
671 | LttvHooks *before_trace, | |
672 | LttvHooks *before_tracefile, | |
673 | LttvHooks *event, | |
750eb11a | 674 | LttvHooksByIdChannelArray *event_by_id_channel) |
8697a616 | 675 | { |
dc877563 | 676 | |
8697a616 | 677 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
678 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ | |
679 | lttv_traceset_context_add_hooks(self, | |
680 | before_traceset, | |
681 | before_trace, | |
682 | before_tracefile, | |
683 | event, | |
750eb11a | 684 | event_by_id_channel); |
8697a616 | 685 | |
2a2fa4f0 | 686 | } |
687 | ||
bd4c3eca | 688 | //enum read_state { LAST_NONE, LAST_OK, LAST_EMPTY }; |
36d36c9f | 689 | |
8697a616 | 690 | /* Note : a _middle must be preceded from a _seek or another middle */ |
691 | guint lttv_process_traceset_middle(LttvTracesetContext *self, | |
692 | LttTime end, | |
cc038f06 | 693 | gulong nb_events, |
8697a616 | 694 | const LttvTracesetContextPosition *end_position) |
2a2fa4f0 | 695 | { |
696 | GTree *pqueue = self->pqueue; | |
697 | ||
2a2fa4f0 | 698 | LttvTracefileContext *tfc; |
699 | ||
eed2ef37 | 700 | LttEvent *e; |
701 | ||
2a2fa4f0 | 702 | unsigned count = 0; |
703 | ||
36d36c9f | 704 | guint read_ret; |
705 | ||
bd4c3eca | 706 | //enum read_state last_read_state = LAST_NONE; |
698e81c2 | 707 | |
78b82ded | 708 | gint last_ret = 0; /* return value of the last hook list called */ |
a54f091a | 709 | |
dc877563 | 710 | /* Get the next event from the pqueue, call its hooks, |
711 | reinsert in the pqueue the following event from the same tracefile | |
712 | unless the tracefile is finished or the event is later than the | |
8697a616 | 713 | end time. */ |
dc877563 | 714 | |
ffd54a90 | 715 | while(TRUE) { |
dc877563 | 716 | tfc = NULL; |
717 | g_tree_foreach(pqueue, get_first, &tfc); | |
33f7a12c | 718 | /* End of traceset : tfc is NULL */ |
1d1df11d | 719 | if(unlikely(tfc == NULL)) |
a43d67ba | 720 | { |
a43d67ba | 721 | return count; |
722 | } | |
dc877563 | 723 | |
8697a616 | 724 | /* Have we reached : |
725 | * - the maximum number of events specified? | |
726 | * - the end position ? | |
727 | * - the end time ? | |
728 | * then the read is finished. We leave the queue in the same state and | |
729 | * break the loop. | |
730 | */ | |
731 | ||
1d1df11d | 732 | if(unlikely(last_ret == TRUE || |
d052ffc3 | 733 | ((count >= nb_events) && (nb_events != G_MAXULONG)) || |
8b0bbe19 | 734 | (end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self, |
735 | end_position) == 0)|| | |
1d1df11d | 736 | ltt_time_compare(end, tfc->timestamp) <= 0)) |
a43d67ba | 737 | { |
a43d67ba | 738 | return count; |
739 | } | |
36d36c9f | 740 | |
308711e5 | 741 | /* Get the tracefile with an event for the smallest time found. If two |
742 | or more tracefiles have events for the same time, hope that lookup | |
743 | and remove are consistent. */ | |
1986f254 | 744 | |
745 | #ifdef DEBUG | |
e7f5e89d | 746 | test_time.tv_sec = 0; |
747 | test_time.tv_nsec = 0; | |
77199e93 | 748 | g_debug("test tree before remove"); |
749 | g_tree_foreach(pqueue, test_tree, tfc); | |
1986f254 | 750 | #endif //DEBUG |
f95bc830 | 751 | g_tree_remove(pqueue, tfc); |
698e81c2 | 752 | |
1986f254 | 753 | #ifdef DEBUG |
e7f5e89d | 754 | test_time.tv_sec = 0; |
755 | test_time.tv_nsec = 0; | |
77199e93 | 756 | g_debug("test tree after remove"); |
698e81c2 | 757 | g_tree_foreach(pqueue, test_tree, tfc); |
1986f254 | 758 | #endif //DEBUG |
77199e93 | 759 | |
bd4c3eca | 760 | |
eed2ef37 | 761 | e = ltt_tracefile_get_event(tfc->tf); |
dc877563 | 762 | |
bd4c3eca | 763 | //if(last_read_state != LAST_EMPTY) { |
764 | /* Only call hooks if the last read has given an event or if we are at the | |
765 | * first pass (not if last read returned end of tracefile) */ | |
766 | count++; | |
767 | ||
e38d9ea0 | 768 | tfc->target_pid = -1; /* unset target PID */ |
1fae3dd3 | 769 | /* Hooks : |
770 | * return values : 0 : continue read, 1 : go to next position and stop read, | |
771 | * 2 : stay at the current position and stop read */ | |
bd4c3eca | 772 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, |
f57fd845 | 773 | lttv_hooks_by_id_get(tfc->event_by_id, e->event_id), tfc); |
1fae3dd3 | 774 | |
aaecaa99 | 775 | #if 0 |
776 | /* This is buggy : it won't work well with state computation */ | |
876b4889 | 777 | if(unlikely(last_ret == 2)) { |
1fae3dd3 | 778 | /* This is a case where we want to stay at this position and stop read. */ |
779 | g_tree_insert(pqueue, tfc, tfc); | |
780 | return count - 1; | |
781 | } | |
aaecaa99 | 782 | #endif //0 |
698e81c2 | 783 | read_ret = ltt_tracefile_read(tfc->tf); |
1fae3dd3 | 784 | |
785 | ||
698e81c2 | 786 | if(likely(!read_ret)) { |
3054461a | 787 | //g_debug("An event is ready"); |
eed2ef37 | 788 | tfc->timestamp = ltt_event_time(e); |
e7f5e89d | 789 | g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0); |
33f7a12c | 790 | g_tree_insert(pqueue, tfc, tfc); |
e7f5e89d | 791 | #ifdef DEBUG |
792 | test_time.tv_sec = 0; | |
793 | test_time.tv_nsec = 0; | |
794 | g_debug("test tree after event ready"); | |
795 | g_tree_foreach(pqueue, test_tree, NULL); | |
796 | #endif //DEBUG | |
797 | ||
bd4c3eca | 798 | //last_read_state = LAST_OK; |
698e81c2 | 799 | } else { |
1986f254 | 800 | tfc->timestamp = ltt_time_infinite; |
801 | ||
36d36c9f | 802 | if(read_ret == ERANGE) { |
bd4c3eca | 803 | // last_read_state = LAST_EMPTY; |
698e81c2 | 804 | g_debug("End of trace"); |
36d36c9f | 805 | } else |
698e81c2 | 806 | g_error("Error happened in lttv_process_traceset_middle"); |
dc877563 | 807 | } |
808 | } | |
2a2fa4f0 | 809 | } |
810 | ||
811 | ||
8697a616 | 812 | void lttv_process_traceset_end(LttvTracesetContext *self, |
813 | LttvHooks *after_traceset, | |
814 | LttvHooks *after_trace, | |
815 | LttvHooks *after_tracefile, | |
816 | LttvHooks *event, | |
750eb11a | 817 | LttvHooksByIdChannelArray *event_by_id_channel) |
2a2fa4f0 | 818 | { |
8697a616 | 819 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
820 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ | |
821 | lttv_traceset_context_remove_hooks(self, | |
822 | after_traceset, | |
823 | after_trace, | |
824 | after_tracefile, | |
825 | event, | |
750eb11a | 826 | event_by_id_channel); |
8697a616 | 827 | } |
2a2fa4f0 | 828 | |
27304273 | 829 | /* Subtile modification : |
830 | * if tracefile has no event at or after the time requested, it is not put in | |
348c6ba8 | 831 | * the queue, as the next read would fail. |
832 | * | |
833 | * Don't forget to empty the traceset pqueue before calling this. | |
834 | */ | |
8697a616 | 835 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
836 | { | |
837 | guint i, nb_tracefile; | |
2a2fa4f0 | 838 | |
eed2ef37 | 839 | gint ret; |
840 | ||
1986f254 | 841 | LttvTracefileContext **tfc; |
2a2fa4f0 | 842 | |
eed2ef37 | 843 | nb_tracefile = self->tracefiles->len; |
dc877563 | 844 | |
e7f5e89d | 845 | GTree *pqueue = self->ts_context->pqueue; |
846 | ||
8697a616 | 847 | for(i = 0 ; i < nb_tracefile ; i++) { |
1986f254 | 848 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); |
77199e93 | 849 | |
d448fce2 | 850 | g_tree_remove(pqueue, *tfc); |
77199e93 | 851 | |
1986f254 | 852 | ret = ltt_tracefile_seek_time((*tfc)->tf, start); |
27304273 | 853 | if(ret == EPERM) g_error("error in lttv_process_trace_seek_time seek"); |
27304273 | 854 | |
855 | if(ret == 0) { /* not ERANGE especially */ | |
1986f254 | 856 | (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf)); |
e7f5e89d | 857 | g_assert(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0); |
1986f254 | 858 | g_tree_insert(pqueue, (*tfc), (*tfc)); |
859 | } else { | |
860 | (*tfc)->timestamp = ltt_time_infinite; | |
27304273 | 861 | } |
8697a616 | 862 | } |
e7f5e89d | 863 | #ifdef DEBUG |
864 | test_time.tv_sec = 0; | |
865 | test_time.tv_nsec = 0; | |
866 | g_debug("test tree after seek_time"); | |
867 | g_tree_foreach(pqueue, test_tree, NULL); | |
868 | #endif //DEBUG | |
8697a616 | 869 | } |
dc877563 | 870 | |
2a2fa4f0 | 871 | |
8697a616 | 872 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
873 | { | |
874 | guint i, nb_trace; | |
2a2fa4f0 | 875 | |
8697a616 | 876 | LttvTraceContext *tc; |
2a2fa4f0 | 877 | |
d448fce2 | 878 | //g_tree_destroy(self->pqueue); |
879 | //self->pqueue = g_tree_new(compare_tracefile); | |
348c6ba8 | 880 | |
8697a616 | 881 | nb_trace = lttv_traceset_number(self->ts); |
882 | for(i = 0 ; i < nb_trace ; i++) { | |
883 | tc = self->traces[i]; | |
884 | lttv_process_trace_seek_time(tc, start); | |
885 | } | |
dc877563 | 886 | } |
b445142a | 887 | |
308711e5 | 888 | |
8697a616 | 889 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
890 | const LttvTracesetContextPosition *pos) | |
308711e5 | 891 | { |
27304273 | 892 | guint i; |
d448fce2 | 893 | /* If a position is set, seek the traceset to this position */ |
18c87975 | 894 | if(ltt_time_compare(pos->timestamp, ltt_time_infinite) != 0) { |
d448fce2 | 895 | |
896 | /* Test to see if the traces has been added to the trace set : | |
897 | * It should NEVER happen. Clear all positions if a new trace comes in. */ | |
898 | /* FIXME I know this test is not optimal : should keep a number of | |
899 | * tracefiles variable in the traceset.. eventually */ | |
900 | guint num_traces = lttv_traceset_number(self->ts); | |
901 | guint tf_count = 0; | |
902 | for(i=0; i<num_traces;i++) { | |
903 | GArray * tracefiles = self->traces[i]->tracefiles; | |
904 | guint j; | |
905 | guint num_tracefiles = tracefiles->len; | |
906 | for(j=0;j<num_tracefiles;j++) | |
907 | tf_count++; | |
908 | } | |
909 | g_assert(tf_count == pos->tfcp->len); | |
910 | ||
911 | ||
912 | //g_tree_destroy(self->pqueue); | |
913 | //self->pqueue = g_tree_new(compare_tracefile); | |
18c87975 | 914 | |
9ba3aaaf | 915 | for(i=0;i<pos->tfcp->len; i++) { |
916 | LttvTracefileContextPosition *tfcp = | |
917 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
d448fce2 | 918 | |
919 | g_tree_remove(self->pqueue, tfcp->tfc); | |
9ba3aaaf | 920 | |
921 | if(tfcp->used == TRUE) { | |
922 | if(ltt_tracefile_seek_position(tfcp->tfc->tf, tfcp->event) != 0) | |
18c87975 | 923 | return 1; |
9ba3aaaf | 924 | tfcp->tfc->timestamp = |
925 | ltt_event_time(ltt_tracefile_get_event(tfcp->tfc->tf)); | |
926 | g_assert(ltt_time_compare(tfcp->tfc->timestamp, | |
927 | ltt_time_infinite) != 0); | |
928 | g_tree_insert(self->pqueue, tfcp->tfc, tfcp->tfc); | |
929 | ||
18c87975 | 930 | } else { |
9ba3aaaf | 931 | tfcp->tfc->timestamp = ltt_time_infinite; |
18c87975 | 932 | } |
1986f254 | 933 | } |
308711e5 | 934 | } |
e7f5e89d | 935 | #ifdef DEBUG |
936 | test_time.tv_sec = 0; | |
937 | test_time.tv_nsec = 0; | |
938 | g_debug("test tree after seek_position"); | |
939 | g_tree_foreach(self->pqueue, test_tree, NULL); | |
940 | #endif //DEBUG | |
941 | ||
942 | ||
943 | ||
2c82c4dc | 944 | return 0; |
308711e5 | 945 | } |
946 | ||
947 | ||
f57fd845 | 948 | #if 0 // pmf: temporary disable |
b445142a | 949 | static LttField * |
eed2ef37 | 950 | find_field(LttEventType *et, const GQuark field) |
b445142a | 951 | { |
f63ebe51 | 952 | LttField *f; |
b445142a | 953 | |
eed2ef37 | 954 | if(field == 0) return NULL; |
955 | ||
f63ebe51 | 956 | f = ltt_eventtype_field_by_name(et, field); |
957 | if (!f) { | |
958 | g_warning("Cannot find field %s in event %s.%s", g_quark_to_string(field), | |
959 | g_quark_to_string(ltt_facility_name(ltt_eventtype_facility(et))), | |
960 | g_quark_to_string(ltt_eventtype_name(et))); | |
961 | } | |
962 | ||
963 | return f; | |
b445142a | 964 | } |
f57fd845 | 965 | #endif |
b445142a | 966 | |
f57fd845 | 967 | struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th) |
eed2ef37 | 968 | { |
750eb11a | 969 | return marker_get_info_from_id(th->mdata, th->id); |
eed2ef37 | 970 | } |
971 | ||
750eb11a | 972 | int lttv_trace_find_hook(LttTrace *t, GQuark channel_name, GQuark event_name, |
6418800d | 973 | GQuark fields[], LttvHook h, gpointer hook_data, GArray **trace_hooks) |
b445142a | 974 | { |
3c165eaf | 975 | struct marker_info *info; |
937a4442 | 976 | guint16 marker_id; |
6418800d | 977 | int init_array_size; |
750eb11a | 978 | GArray *group; |
979 | struct marker_data *mdata; | |
60c5092c | 980 | |
750eb11a | 981 | group = g_datalist_id_get_data(&t->tracefiles, channel_name); |
982 | if (unlikely(!group || group->len == 0)) { | |
1a0282fc | 983 | g_info("No channel for marker named %s.%s found", |
750eb11a | 984 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); |
985 | return 1; | |
986 | } | |
eed2ef37 | 987 | |
750eb11a | 988 | mdata = g_array_index (group, LttTracefile, 0).mdata; |
989 | info = marker_get_info_from_name(mdata, event_name); | |
937a4442 | 990 | if(unlikely(info == NULL)) { |
1a0282fc | 991 | g_info("No marker named %s.%s found", |
750eb11a | 992 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); |
e594b7fd | 993 | return 1; |
937a4442 | 994 | } |
b445142a | 995 | |
6418800d | 996 | init_array_size = (*trace_hooks)->len; |
eed2ef37 | 997 | |
937a4442 | 998 | /* for each marker with the requested name */ |
999 | do { | |
1000 | LttvTraceHook tmpth; | |
1001 | int found; | |
4173fa0e | 1002 | GQuark *f; |
e594b7fd | 1003 | struct marker_field *marker_field; |
937a4442 | 1004 | |
750eb11a | 1005 | marker_id = marker_get_id_from_info(mdata, info); |
937a4442 | 1006 | |
1007 | tmpth.h = h; | |
750eb11a | 1008 | tmpth.mdata = mdata; |
1009 | tmpth.channel = channel_name; | |
937a4442 | 1010 | tmpth.id = marker_id; |
1011 | tmpth.hook_data = hook_data; | |
1012 | tmpth.fields = g_ptr_array_new(); | |
1013 | ||
1014 | /* for each field requested */ | |
032ba5da | 1015 | for(f = fields; f && *f != 0; f++) { |
6418800d | 1016 | found = 0; |
1017 | for_each_marker_field(marker_field, info) { | |
e594b7fd | 1018 | if(marker_field->name == *f) { |
937a4442 | 1019 | found = 1; |
6418800d | 1020 | g_ptr_array_add(tmpth.fields, marker_field); |
937a4442 | 1021 | break; |
1022 | } | |
1023 | } | |
1024 | if(!found) { | |
1025 | /* Did not find the one of the fields in this instance of the | |
6418800d | 1026 | marker. Print a warning and skip this marker completely. |
1027 | Still iterate on other markers with same name. */ | |
937a4442 | 1028 | g_ptr_array_free(tmpth.fields, TRUE); |
1a0282fc | 1029 | g_info("Field %s cannot be found in marker %s.%s", |
750eb11a | 1030 | g_quark_to_string(*f), g_quark_to_string(channel_name), |
1031 | g_quark_to_string(event_name)); | |
6418800d | 1032 | goto skip_marker; |
937a4442 | 1033 | } |
1034 | } | |
937a4442 | 1035 | /* all fields were found: add the tracehook to the array */ |
6418800d | 1036 | *trace_hooks = g_array_append_val(*trace_hooks, tmpth); |
1037 | skip_marker: | |
937a4442 | 1038 | info = info->next; |
1039 | } while(info != NULL); | |
1040 | ||
6418800d | 1041 | /* Error if no new trace hook has been added */ |
6a62e071 | 1042 | if (init_array_size == (*trace_hooks)->len) { |
1a0282fc | 1043 | g_info("No marker of name %s.%s has all requested fields", |
750eb11a | 1044 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); |
6a62e071 | 1045 | return 1; |
1046 | } | |
1047 | return 0; | |
eed2ef37 | 1048 | } |
1049 | ||
032ba5da | 1050 | void lttv_trace_hook_remove_all(GArray **th) |
eed2ef37 | 1051 | { |
937a4442 | 1052 | int i; |
e594b7fd | 1053 | for(i=0; i<(*th)->len; i++) { |
1054 | g_ptr_array_free(g_array_index(*th, LttvTraceHook, i).fields, TRUE); | |
937a4442 | 1055 | } |
4e5a6126 | 1056 | if((*th)->len) |
1057 | *th = g_array_remove_range(*th, 0, (*th)->len); | |
b445142a | 1058 | } |
1059 | ||
9ba3aaaf | 1060 | LttvTracesetContextPosition *lttv_traceset_context_position_new( |
1061 | const LttvTracesetContext *self) | |
5e2c04a2 | 1062 | { |
9ba3aaaf | 1063 | guint num_traces = lttv_traceset_number(self->ts); |
1064 | guint tf_count = 0; | |
1065 | guint i; | |
1066 | ||
1067 | for(i=0; i<num_traces;i++) { | |
1068 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1069 | guint j; | |
1070 | guint num_tracefiles = tracefiles->len; | |
1071 | for(j=0;j<num_tracefiles;j++) | |
1072 | tf_count++; | |
1073 | } | |
1074 | LttvTracesetContextPosition *pos = | |
1075 | g_new(LttvTracesetContextPosition, 1); | |
1076 | pos->tfcp = g_array_sized_new(FALSE, TRUE, | |
1077 | sizeof(LttvTracefileContextPosition), | |
1078 | tf_count); | |
1079 | g_array_set_size(pos->tfcp, tf_count); | |
1080 | for(i=0;i<pos->tfcp->len;i++) { | |
1081 | LttvTracefileContextPosition *tfcp = | |
1082 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1083 | tfcp->event = ltt_event_position_new(); | |
1084 | } | |
1085 | ||
27304273 | 1086 | pos->timestamp = ltt_time_infinite; |
1087 | return pos; | |
5e2c04a2 | 1088 | } |
1089 | ||
3054461a | 1090 | /* Save all positions, the ones with infinite time will have NULL |
1986f254 | 1091 | * ep. */ |
9ba3aaaf | 1092 | /* note : a position must be destroyed when a trace is added/removed from a |
1093 | * traceset */ | |
27304273 | 1094 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
1095 | LttvTracesetContextPosition *pos) | |
1096 | { | |
1986f254 | 1097 | guint i; |
1098 | guint num_traces = lttv_traceset_number(self->ts); | |
9ba3aaaf | 1099 | guint tf_count = 0; |
728d0c3e | 1100 | |
0bd2f89c | 1101 | pos->timestamp = ltt_time_infinite; |
728d0c3e | 1102 | |
1986f254 | 1103 | for(i=0; i<num_traces;i++) { |
1104 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1105 | guint j; | |
1106 | guint num_tracefiles = tracefiles->len; | |
1107 | ||
1108 | for(j=0;j<num_tracefiles;j++) { | |
9ba3aaaf | 1109 | g_assert(tf_count < pos->tfcp->len); |
1986f254 | 1110 | LttvTracefileContext **tfc = &g_array_index(tracefiles, |
1111 | LttvTracefileContext*, j); | |
9ba3aaaf | 1112 | LttvTracefileContextPosition *tfcp = |
1113 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, tf_count); | |
1986f254 | 1114 | |
9ba3aaaf | 1115 | tfcp->tfc = *tfc; |
1986f254 | 1116 | |
1117 | if(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0) { | |
9ba3aaaf | 1118 | LttEvent *event = ltt_tracefile_get_event((*tfc)->tf); |
1119 | ltt_event_position(event, tfcp->event); | |
1986f254 | 1120 | if(ltt_time_compare((*tfc)->timestamp, pos->timestamp) < 0) |
1121 | pos->timestamp = (*tfc)->timestamp; | |
9ba3aaaf | 1122 | tfcp->used = TRUE; |
1986f254 | 1123 | } else { |
9ba3aaaf | 1124 | tfcp->used = FALSE; |
1986f254 | 1125 | } |
9ba3aaaf | 1126 | |
1127 | //g_array_append_val(pos->tfc, *tfc); | |
1128 | //g_array_append_val(pos->ep, ep); | |
1129 | tf_count++; | |
1986f254 | 1130 | } |
1131 | ||
1132 | } | |
8697a616 | 1133 | } |
1134 | ||
1135 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) | |
1136 | { | |
27304273 | 1137 | int i; |
1986f254 | 1138 | |
9ba3aaaf | 1139 | for(i=0;i<pos->tfcp->len;i++) { |
1140 | LttvTracefileContextPosition *tfcp = | |
1141 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1142 | g_free(tfcp->event); | |
1143 | tfcp->event = NULL; | |
1144 | tfcp->used = FALSE; | |
1986f254 | 1145 | } |
9ba3aaaf | 1146 | g_array_free(pos->tfcp, TRUE); |
27304273 | 1147 | g_free(pos); |
8697a616 | 1148 | } |
1149 | ||
5e2c04a2 | 1150 | void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest, |
1151 | const LttvTracesetContextPosition *src) | |
1152 | { | |
27304273 | 1153 | int i; |
9ba3aaaf | 1154 | LttvTracefileContextPosition *src_tfcp, *dest_tfcp; |
5e2c04a2 | 1155 | |
db767425 | 1156 | g_assert(src->tfcp->len == dest->tfcp->len); |
27304273 | 1157 | |
9ba3aaaf | 1158 | for(i=0;i<src->tfcp->len;i++) { |
1159 | src_tfcp = | |
1160 | &g_array_index(src->tfcp, LttvTracefileContextPosition, i); | |
1161 | dest_tfcp = | |
1162 | &g_array_index(dest->tfcp, LttvTracefileContextPosition, i); | |
1163 | ||
1164 | dest_tfcp->used = src_tfcp->used; | |
1165 | dest_tfcp->tfc = src_tfcp->tfc; | |
1166 | ||
1167 | if(src_tfcp->used) { | |
1986f254 | 1168 | ltt_event_position_copy( |
9ba3aaaf | 1169 | dest_tfcp->event, |
1170 | src_tfcp->event); | |
1171 | } | |
5e2c04a2 | 1172 | } |
5e2c04a2 | 1173 | dest->timestamp = src->timestamp; |
1174 | } | |
1175 | ||
8697a616 | 1176 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
1177 | const LttvTracesetContextPosition *pos) | |
1178 | { | |
27304273 | 1179 | int i; |
826f1ab2 | 1180 | int ret = 0; |
2c82c4dc | 1181 | |
9ba3aaaf | 1182 | if(pos->tfcp->len == 0) { |
2c82c4dc | 1183 | if(lttv_traceset_number(self->ts) == 0) return 0; |
1184 | else return 1; | |
1185 | } | |
1186 | if(lttv_traceset_number(self->ts) == 0) | |
1187 | return -1; | |
1188 | ||
9ba3aaaf | 1189 | for(i=0;i<pos->tfcp->len;i++) { |
1190 | LttvTracefileContextPosition *tfcp = | |
1191 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1986f254 | 1192 | |
9ba3aaaf | 1193 | if(tfcp->used == FALSE) { |
1194 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) < 0) { | |
1986f254 | 1195 | ret = -1; |
1196 | } | |
1197 | } else { | |
9ba3aaaf | 1198 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) == 0) { |
1986f254 | 1199 | ret = 1; |
1200 | } else { | |
9ba3aaaf | 1201 | LttEvent *event = ltt_tracefile_get_event(tfcp->tfc->tf); |
8697a616 | 1202 | |
1986f254 | 1203 | ret = ltt_event_position_compare((LttEventPosition*)event, |
9ba3aaaf | 1204 | tfcp->event); |
1986f254 | 1205 | } |
1206 | } | |
27304273 | 1207 | if(ret != 0) return ret; |
8697a616 | 1208 | |
8697a616 | 1209 | } |
1210 | return 0; | |
1211 | } | |
1212 | ||
1213 | ||
1214 | gint lttv_traceset_context_pos_pos_compare( | |
1215 | const LttvTracesetContextPosition *pos1, | |
1216 | const LttvTracesetContextPosition *pos2) | |
1217 | { | |
27304273 | 1218 | int i, j; |
b4aeb12d | 1219 | int ret = 0; |
8697a616 | 1220 | |
565f2491 | 1221 | if(ltt_time_compare(pos1->timestamp, ltt_time_infinite) == 0) { |
1222 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) | |
1223 | return 0; | |
1224 | else | |
1225 | return 1; | |
2c82c4dc | 1226 | } |
565f2491 | 1227 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) |
2c82c4dc | 1228 | return -1; |
1229 | ||
9ba3aaaf | 1230 | for(i=0;i<pos1->tfcp->len;i++) { |
1231 | LttvTracefileContextPosition *tfcp1 = | |
1232 | &g_array_index(pos1->tfcp, LttvTracefileContextPosition, i); | |
27304273 | 1233 | |
9ba3aaaf | 1234 | if(tfcp1->used == TRUE) { |
1235 | for(j=0;j<pos2->tfcp->len;j++) { | |
1236 | LttvTracefileContextPosition *tfcp2 = | |
1237 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1238 | ||
1239 | if(tfcp1->tfc == tfcp2->tfc) { | |
1240 | if(tfcp2->used == TRUE) | |
1241 | ret = ltt_event_position_compare(tfcp1->event, tfcp2->event); | |
1986f254 | 1242 | else |
1243 | ret = -1; | |
1244 | ||
1245 | if(ret != 0) return ret; | |
1246 | } | |
1247 | } | |
9ba3aaaf | 1248 | |
1986f254 | 1249 | } else { |
9ba3aaaf | 1250 | for(j=0;j<pos2->tfcp->len;j++) { |
1251 | LttvTracefileContextPosition *tfcp2 = | |
1252 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1253 | ||
1254 | if(tfcp1->tfc == tfcp2->tfc) | |
1255 | if(tfcp2->used == TRUE) ret = 1; | |
1256 | if(ret != 0) return ret; | |
27304273 | 1257 | } |
8697a616 | 1258 | } |
1259 | } | |
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | ||
2d262115 | 1264 | LttTime lttv_traceset_context_position_get_time( |
1265 | const LttvTracesetContextPosition *pos) | |
1266 | { | |
1267 | return pos->timestamp; | |
1268 | } | |
1269 | ||
1270 | ||
1271 | LttvTracefileContext *lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) | |
1272 | { | |
1273 | GTree *pqueue = self->pqueue; | |
b56b5fec | 1274 | LttvTracefileContext *tfc = NULL; |
2d262115 | 1275 | |
1276 | g_tree_foreach(pqueue, get_first, &tfc); | |
1277 | ||
1278 | return tfc; | |
1279 | } | |
18c87975 | 1280 | |
2c82c4dc | 1281 | /* lttv_process_traceset_synchronize_tracefiles |
1282 | * | |
1283 | * Use the sync_position field of the trace set context to synchronize each | |
1284 | * tracefile with the previously saved position. | |
1285 | * | |
1286 | * If no previous position has been saved, it simply does nothing. | |
1287 | */ | |
1288 | void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc) | |
1289 | { | |
8f318283 BP |
1290 | int retval; |
1291 | ||
1292 | retval= lttv_process_traceset_seek_position(tsc, tsc->sync_position); | |
1293 | g_assert_cmpint(retval, ==, 0); | |
2c82c4dc | 1294 | } |
1295 | ||
1296 | ||
1297 | ||
1298 | ||
1299 | void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc) | |
1300 | { | |
1301 | lttv_traceset_context_position_save(tsc, tsc->sync_position); | |
1302 | } | |
1303 | ||
0bd2f89c | 1304 | struct seek_back_data { |
1305 | guint first_event; /* Index of the first event in the array : we will always | |
1306 | overwrite at this position : this is a circular array. | |
1307 | */ | |
1308 | guint events_found; | |
33e44b82 | 1309 | guint n; /* number of events requested */ |
0bd2f89c | 1310 | GPtrArray *array; /* array of LttvTracesetContextPositions pointers */ |
b139ad2a | 1311 | LttvFilter *filter1; |
1312 | LttvFilter *filter2; | |
1313 | LttvFilter *filter3; | |
fb3d6047 | 1314 | gpointer data; |
04f2543e | 1315 | check_handler *check; |
1316 | gboolean *stop_flag; | |
1317 | guint raw_event_count; | |
0bd2f89c | 1318 | }; |
1319 | ||
1320 | static gint seek_back_event_hook(void *hook_data, void* call_data) | |
1321 | { | |
1322 | struct seek_back_data *sd = (struct seek_back_data*)hook_data; | |
1323 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; | |
1324 | LttvTracesetContext *tsc = tfc->t_context->ts_context; | |
1325 | LttvTracesetContextPosition *pos; | |
33e44b82 | 1326 | |
fb3d6047 | 1327 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) |
1328 | return TRUE; | |
04f2543e | 1329 | sd->raw_event_count++; |
1330 | ||
b139ad2a | 1331 | if(sd->filter1 != NULL && sd->filter1->head != NULL && |
1332 | !lttv_filter_tree_parse(sd->filter1->head, | |
33e44b82 | 1333 | ltt_tracefile_get_event(tfc->tf), |
1334 | tfc->tf, | |
1335 | tfc->t_context->t, | |
b6ef18af | 1336 | tfc,NULL,NULL)) { |
b139ad2a | 1337 | return FALSE; |
0bd2f89c | 1338 | } |
b139ad2a | 1339 | if(sd->filter2 != NULL && sd->filter2->head != NULL && |
1340 | !lttv_filter_tree_parse(sd->filter2->head, | |
1341 | ltt_tracefile_get_event(tfc->tf), | |
1342 | tfc->tf, | |
1343 | tfc->t_context->t, | |
b6ef18af | 1344 | tfc,NULL,NULL)) { |
b139ad2a | 1345 | return FALSE; |
1346 | } | |
1347 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1348 | !lttv_filter_tree_parse(sd->filter3->head, | |
1349 | ltt_tracefile_get_event(tfc->tf), | |
1350 | tfc->tf, | |
1351 | tfc->t_context->t, | |
b6ef18af | 1352 | tfc,NULL,NULL)) { |
b139ad2a | 1353 | return FALSE; |
1354 | } | |
1355 | ||
33e44b82 | 1356 | pos = (LttvTracesetContextPosition*)g_ptr_array_index (sd->array, |
1357 | sd->first_event); | |
0bd2f89c | 1358 | |
1359 | lttv_traceset_context_position_save(tsc, pos); | |
1360 | ||
1361 | if(sd->first_event >= sd->array->len - 1) sd->first_event = 0; | |
1362 | else sd->first_event++; | |
1363 | ||
33e44b82 | 1364 | sd->events_found = min(sd->n, sd->events_found + 1); |
0bd2f89c | 1365 | |
1366 | return FALSE; | |
1367 | } | |
1368 | ||
0bd2f89c | 1369 | /* Seek back n events back from the current position. |
1370 | * | |
1371 | * Parameters : | |
1372 | * @self The trace set context | |
1373 | * @n number of events to jump over | |
9ba3aaaf | 1374 | * @first_offset The initial offset value used. |
33e44b82 | 1375 | * never put first_offset at ltt_time_zero. |
1376 | * @time_seeker Function pointer of the function to use to seek time : | |
1377 | * either lttv_process_traceset_seek_time | |
1378 | * or lttv_state_traceset_seek_time_closest | |
1379 | * @filter The filter to call. | |
0bd2f89c | 1380 | * |
1381 | * Return value : the number of events found (might be lower than the number | |
1382 | * requested if beginning of traceset is reached). | |
1383 | * | |
1384 | * The first search will go back first_offset and try to find the last n events | |
1385 | * matching the filter. If there are not enough, it will try to go back from the | |
1386 | * new trace point from first_offset*2, and so on, until beginning of trace or n | |
1387 | * events are found. | |
1388 | * | |
1389 | * Note : this function does not take in account the LttvFilter : use the | |
1390 | * similar function found in state.c instead. | |
1391 | * | |
1392 | * Note2 : the caller must make sure that the LttvTracesetContext does not | |
1393 | * contain any hook, as process_traceset_middle is used in this routine. | |
1394 | */ | |
1395 | guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self, | |
33e44b82 | 1396 | guint n, LttTime first_offset, |
1397 | seek_time_fct time_seeker, | |
04f2543e | 1398 | check_handler *check, |
b139ad2a | 1399 | gboolean *stop_flag, |
1400 | LttvFilter *filter1, | |
1401 | LttvFilter *filter2, | |
fb3d6047 | 1402 | LttvFilter *filter3, |
1403 | gpointer data) | |
0bd2f89c | 1404 | { |
33e44b82 | 1405 | if(lttv_traceset_number(self->ts) == 0) return 0; |
1406 | g_assert(ltt_time_compare(first_offset, ltt_time_zero) != 0); | |
1407 | ||
0bd2f89c | 1408 | guint i; |
1409 | LttvTracesetContextPosition *next_iter_end_pos = | |
9ba3aaaf | 1410 | lttv_traceset_context_position_new(self); |
1411 | LttvTracesetContextPosition *end_pos = | |
1412 | lttv_traceset_context_position_new(self); | |
1413 | LttvTracesetContextPosition *saved_pos = | |
1414 | lttv_traceset_context_position_new(self); | |
0bd2f89c | 1415 | LttTime time; |
9d227699 | 1416 | LttTime asked_time; |
0bd2f89c | 1417 | LttTime time_offset; |
1418 | struct seek_back_data sd; | |
1419 | LttvHooks *hooks = lttv_hooks_new(); | |
8f318283 | 1420 | int retval; |
0bd2f89c | 1421 | |
1422 | sd.first_event = 0; | |
1423 | sd.events_found = 0; | |
1424 | sd.array = g_ptr_array_sized_new(n); | |
b139ad2a | 1425 | sd.filter1 = filter1; |
1426 | sd.filter2 = filter2; | |
1427 | sd.filter3 = filter3; | |
fb3d6047 | 1428 | sd.data = data; |
33e44b82 | 1429 | sd.n = n; |
04f2543e | 1430 | sd.check = check; |
1431 | sd.stop_flag = stop_flag; | |
1432 | sd.raw_event_count = 0; | |
0bd2f89c | 1433 | g_ptr_array_set_size(sd.array, n); |
1434 | for(i=0;i<n;i++) { | |
9ba3aaaf | 1435 | g_ptr_array_index (sd.array, i) = lttv_traceset_context_position_new(self); |
0bd2f89c | 1436 | } |
33e44b82 | 1437 | |
0bd2f89c | 1438 | lttv_traceset_context_position_save(self, next_iter_end_pos); |
33e44b82 | 1439 | lttv_traceset_context_position_save(self, saved_pos); |
0bd2f89c | 1440 | /* Get the current time from which we will offset */ |
1441 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1442 | /* the position saved might be end of traceset... */ | |
1443 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1444 | time = self->time_span.end_time; | |
1445 | } | |
9d227699 | 1446 | asked_time = time; |
0bd2f89c | 1447 | time_offset = first_offset; |
1448 | ||
1449 | lttv_hooks_add(hooks, seek_back_event_hook, &sd, LTTV_PRIO_DEFAULT); | |
1450 | ||
1451 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1452 | ||
1453 | while(1) { | |
1454 | /* stop criteria : - n events found | |
9d227699 | 1455 | * - asked_time < beginning of trace */ |
1456 | if(ltt_time_compare(asked_time, self->time_span.start_time) < 0) break; | |
0bd2f89c | 1457 | |
1458 | lttv_traceset_context_position_copy(end_pos, next_iter_end_pos); | |
1459 | ||
1460 | /* We must seek the traceset back to time - time_offset */ | |
1461 | /* this time becomes the new reference time */ | |
1462 | time = ltt_time_sub(time, time_offset); | |
9d227699 | 1463 | asked_time = time; |
0bd2f89c | 1464 | |
33e44b82 | 1465 | time_seeker(self, time); |
0bd2f89c | 1466 | lttv_traceset_context_position_save(self, next_iter_end_pos); |
33e44b82 | 1467 | /* Resync the time in case of a seek_closest */ |
1468 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1469 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1470 | time = self->time_span.end_time; | |
1471 | } | |
0bd2f89c | 1472 | |
1473 | /* Process the traceset, calling a hook which adds events | |
1474 | * to the array, overwriting the tail. It changes first_event and | |
1475 | * events_found too. */ | |
1476 | /* We would like to have a clean context here : no other hook than our's */ | |
1477 | ||
1478 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1479 | G_MAXUINT, end_pos); | |
1480 | ||
33e44b82 | 1481 | if(sd.events_found < n) { |
1482 | if(sd.first_event > 0) { | |
1483 | /* Save the first position */ | |
1484 | LttvTracesetContextPosition *pos = | |
1485 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, 0); | |
1486 | lttv_traceset_context_position_copy(saved_pos, pos); | |
1487 | } | |
1488 | g_assert(n-sd.events_found <= sd.array->len); | |
1489 | /* Change array size to n - events_found */ | |
1490 | for(i=n-sd.events_found;i<sd.array->len;i++) { | |
1491 | LttvTracesetContextPosition *pos = | |
1492 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1493 | lttv_traceset_context_position_destroy(pos); | |
1494 | } | |
1495 | g_ptr_array_set_size(sd.array, n-sd.events_found); | |
1496 | sd.first_event = 0; | |
1497 | ||
1498 | } else break; /* Second end criterion : n events found */ | |
1499 | ||
0bd2f89c | 1500 | time_offset = ltt_time_mul(time_offset, BACKWARD_SEEK_MUL); |
1501 | } | |
1502 | ||
1503 | lttv_traceset_context_position_destroy(end_pos); | |
1504 | lttv_traceset_context_position_destroy(next_iter_end_pos); | |
1505 | ||
1506 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1507 | ||
33e44b82 | 1508 | if(sd.events_found >= n) { |
0bd2f89c | 1509 | /* Seek the traceset to the first event in the circular array */ |
1510 | LttvTracesetContextPosition *pos = | |
1511 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, | |
1512 | sd.first_event); | |
8f318283 BP |
1513 | retval= lttv_process_traceset_seek_position(self, pos); |
1514 | g_assert_cmpint(retval, ==, 0); | |
33e44b82 | 1515 | } else { |
1516 | /* Will seek to the last saved position : in the worst case, it will be the | |
1517 | * original position (if events_found is 0) */ | |
8f318283 BP |
1518 | retval= lttv_process_traceset_seek_position(self, saved_pos); |
1519 | g_assert_cmpint(retval, ==, 0); | |
0bd2f89c | 1520 | } |
1521 | ||
33e44b82 | 1522 | for(i=0;i<sd.array->len;i++) { |
0bd2f89c | 1523 | LttvTracesetContextPosition *pos = |
1524 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1525 | lttv_traceset_context_position_destroy(pos); | |
1526 | } | |
1527 | g_ptr_array_free(sd.array, TRUE); | |
1528 | ||
1529 | lttv_hooks_destroy(hooks); | |
1530 | ||
33e44b82 | 1531 | lttv_traceset_context_position_destroy(saved_pos); |
1532 | ||
0bd2f89c | 1533 | return sd.events_found; |
1534 | } | |
1535 | ||
1536 | ||
1537 | struct seek_forward_data { | |
1538 | guint event_count; /* event counter */ | |
1539 | guint n; /* requested number of events to jump over */ | |
b139ad2a | 1540 | LttvFilter *filter1; |
1541 | LttvFilter *filter2; | |
1542 | LttvFilter *filter3; | |
fb3d6047 | 1543 | gpointer data; |
04f2543e | 1544 | check_handler *check; |
1545 | gboolean *stop_flag; | |
1546 | guint raw_event_count; /* event counter */ | |
0bd2f89c | 1547 | }; |
1548 | ||
1549 | static gint seek_forward_event_hook(void *hook_data, void* call_data) | |
1550 | { | |
1551 | struct seek_forward_data *sd = (struct seek_forward_data*)hook_data; | |
33e44b82 | 1552 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; |
0bd2f89c | 1553 | |
fb3d6047 | 1554 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) |
1555 | return TRUE; | |
04f2543e | 1556 | sd->raw_event_count++; |
1557 | ||
b139ad2a | 1558 | if(sd->filter1 != NULL && sd->filter1->head != NULL && |
1559 | !lttv_filter_tree_parse(sd->filter1->head, | |
33e44b82 | 1560 | ltt_tracefile_get_event(tfc->tf), |
1561 | tfc->tf, | |
1562 | tfc->t_context->t, | |
b6ef18af | 1563 | tfc,NULL,NULL)) { |
b139ad2a | 1564 | return FALSE; |
1fae3dd3 | 1565 | } |
b139ad2a | 1566 | if(sd->filter2 != NULL && sd->filter2->head != NULL && |
1567 | !lttv_filter_tree_parse(sd->filter2->head, | |
1568 | ltt_tracefile_get_event(tfc->tf), | |
1569 | tfc->tf, | |
1570 | tfc->t_context->t, | |
b6ef18af | 1571 | tfc,NULL,NULL)) { |
b139ad2a | 1572 | return FALSE; |
1573 | } | |
1574 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1575 | !lttv_filter_tree_parse(sd->filter3->head, | |
1576 | ltt_tracefile_get_event(tfc->tf), | |
1577 | tfc->tf, | |
1578 | tfc->t_context->t, | |
b6ef18af | 1579 | tfc,NULL,NULL)) { |
b139ad2a | 1580 | return FALSE; |
1581 | } | |
1582 | ||
1583 | sd->event_count++; | |
1584 | if(sd->event_count >= sd->n) | |
1585 | return TRUE; | |
e594b7fd | 1586 | return FALSE; |
0bd2f89c | 1587 | } |
1588 | ||
aaecaa99 | 1589 | /* Seek back n events forward from the current position (1 to n) |
1590 | * 0 is ok too, but it will actually do nothing. | |
0bd2f89c | 1591 | * |
1592 | * Parameters : | |
33e44b82 | 1593 | * @self the trace set context |
1594 | * @n number of events to jump over | |
1595 | * @filter filter to call. | |
0bd2f89c | 1596 | * |
1597 | * returns : the number of events jumped over (may be less than requested if end | |
1598 | * of traceset reached) */ | |
1599 | guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self, | |
b139ad2a | 1600 | guint n, |
04f2543e | 1601 | check_handler *check, |
b139ad2a | 1602 | gboolean *stop_flag, |
1603 | LttvFilter *filter1, | |
1604 | LttvFilter *filter2, | |
fb3d6047 | 1605 | LttvFilter *filter3, |
1606 | gpointer data) | |
0bd2f89c | 1607 | { |
1608 | struct seek_forward_data sd; | |
1609 | sd.event_count = 0; | |
1610 | sd.n = n; | |
b139ad2a | 1611 | sd.filter1 = filter1; |
1612 | sd.filter2 = filter2; | |
1613 | sd.filter3 = filter3; | |
fb3d6047 | 1614 | sd.data = data; |
04f2543e | 1615 | sd.check = check; |
1616 | sd.stop_flag = stop_flag; | |
1617 | sd.raw_event_count = 0; | |
aaecaa99 | 1618 | |
1619 | if(sd.event_count >= sd.n) return sd.event_count; | |
1620 | ||
0bd2f89c | 1621 | LttvHooks *hooks = lttv_hooks_new(); |
1622 | ||
1623 | lttv_hooks_add(hooks, seek_forward_event_hook, &sd, LTTV_PRIO_DEFAULT); | |
1624 | ||
1625 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1626 | ||
1627 | /* it will end on the end of traceset, or the fact that the | |
aaecaa99 | 1628 | * hook returns TRUE. |
0bd2f89c | 1629 | */ |
1630 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1631 | G_MAXUINT, NULL); | |
1632 | ||
1633 | /* Here, our position is either the end of traceset, or the exact position | |
aaecaa99 | 1634 | * after n events : leave it like this. This might be placed on an event that |
1635 | * will be filtered out, we don't care : all we know is that the following | |
1636 | * event filtered in will be the right one. */ | |
0bd2f89c | 1637 | |
1638 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1639 | ||
1640 | lttv_hooks_destroy(hooks); | |
1641 | ||
1642 | return sd.event_count; | |
1643 | } | |
1644 | ||
1645 |