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 | |
dc877563 |
19 | |
20 | #include <lttv/state.h> |
ba576a78 |
21 | #include <ltt/facility.h> |
22 | #include <ltt/trace.h> |
308711e5 |
23 | #include <ltt/event.h> |
a5dcde2f |
24 | #include <ltt/type.h> |
dc877563 |
25 | |
b445142a |
26 | LttvExecutionMode |
27 | LTTV_STATE_MODE_UNKNOWN, |
ffd54a90 |
28 | LTTV_STATE_USER_MODE, |
29 | LTTV_STATE_SYSCALL, |
30 | LTTV_STATE_TRAP, |
31 | LTTV_STATE_IRQ; |
32 | |
b445142a |
33 | LttvExecutionSubmode |
34 | LTTV_STATE_SUBMODE_UNKNOWN, |
35 | LTTV_STATE_SUBMODE_NONE; |
ffd54a90 |
36 | |
37 | LttvProcessStatus |
38 | LTTV_STATE_UNNAMED, |
39 | LTTV_STATE_WAIT_FORK, |
40 | LTTV_STATE_WAIT_CPU, |
41 | LTTV_STATE_EXIT, |
42 | LTTV_STATE_WAIT, |
43 | LTTV_STATE_RUN; |
44 | |
ba576a78 |
45 | static GQuark |
308711e5 |
46 | LTTV_STATE_TRACEFILES, |
47 | LTTV_STATE_PROCESSES, |
48 | LTTV_STATE_PROCESS, |
49 | LTTV_STATE_EVENT, |
50 | LTTV_STATE_SAVED_STATES, |
dbb7bb09 |
51 | LTTV_STATE_SAVED_STATES_TIME, |
308711e5 |
52 | LTTV_STATE_TIME, |
ba576a78 |
53 | LTTV_STATE_HOOKS; |
54 | |
b445142a |
55 | |
56 | static void fill_name_tables(LttvTraceState *tcs); |
57 | |
58 | static void free_name_tables(LttvTraceState *tcs); |
59 | |
308711e5 |
60 | static void lttv_state_free_process_table(GHashTable *processes); |
ba576a78 |
61 | |
dc877563 |
62 | |
308711e5 |
63 | void lttv_state_save(LttvTraceState *self, LttvAttribute *container) |
64 | { |
65 | LTTV_TRACE_STATE_GET_CLASS(self)->state_save(self, container); |
66 | } |
67 | |
68 | |
69 | void lttv_state_restore(LttvTraceState *self, LttvAttribute *container) |
70 | { |
71 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
72 | } |
73 | |
74 | |
75 | void lttv_state_saved_state_free(LttvTraceState *self, |
76 | LttvAttribute *container) |
77 | { |
78 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
79 | } |
80 | |
81 | |
2a2fa4f0 |
82 | guint process_hash(gconstpointer key) |
83 | { |
84 | return ((LttvProcessState *)key)->pid; |
85 | } |
86 | |
87 | |
88 | gboolean process_equal(gconstpointer a, gconstpointer b) |
89 | { |
90 | LttvProcessState *process_a, *process_b; |
91 | |
92 | process_a = (LttvProcessState *)a; |
93 | process_b = (LttvProcessState *)b; |
94 | |
95 | if(process_a->pid != process_b->pid) return FALSE; |
96 | if(process_a->pid == 0 && |
97 | process_a->last_cpu != process_b->last_cpu) return FALSE; |
98 | return TRUE; |
99 | } |
100 | |
101 | |
308711e5 |
102 | static void |
103 | restore_init_state(LttvTraceState *self) |
104 | { |
dbb7bb09 |
105 | guint i, nb_tracefile; |
308711e5 |
106 | |
107 | LttvTracefileState *tfcs; |
108 | |
109 | LttTime null_time = {0,0}; |
110 | |
111 | if(self->processes != NULL) lttv_state_free_process_table(self->processes); |
2a2fa4f0 |
112 | self->processes = g_hash_table_new(process_hash, process_equal); |
308711e5 |
113 | self->nb_event = 0; |
114 | |
dbb7bb09 |
115 | nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) + |
116 | ltt_trace_per_cpu_tracefile_number(self->parent.t); |
308711e5 |
117 | |
dbb7bb09 |
118 | for(i = 0 ; i < nb_tracefile ; i++) { |
119 | tfcs = LTTV_TRACEFILE_STATE(self->parent.tracefiles[i]); |
308711e5 |
120 | tfcs->parent.timestamp = null_time; |
121 | tfcs->saved_position = 0; |
2a2fa4f0 |
122 | tfcs->process = lttv_state_create_process(tfcs, NULL,0); |
123 | tfcs->process->state->s = LTTV_STATE_RUN; |
124 | tfcs->process->last_cpu = tfcs->cpu_name; |
308711e5 |
125 | } |
126 | } |
127 | |
2a2fa4f0 |
128 | static LttTime time_zero = {0,0}; |
308711e5 |
129 | |
dc877563 |
130 | static void |
131 | init(LttvTracesetState *self, LttvTraceset *ts) |
132 | { |
dbb7bb09 |
133 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
134 | |
ffd54a90 |
135 | LttvTraceContext *tc; |
dc877563 |
136 | |
ffd54a90 |
137 | LttvTraceState *tcs; |
138 | |
ffd54a90 |
139 | LttvTracefileState *tfcs; |
3d27549e |
140 | |
dbb7bb09 |
141 | LttvAttributeValue v; |
142 | |
b445142a |
143 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
144 | init((LttvTracesetContext *)self, ts); |
dc877563 |
145 | |
146 | nb_trace = lttv_traceset_number(ts); |
147 | for(i = 0 ; i < nb_trace ; i++) { |
b445142a |
148 | tc = self->parent.traces[i]; |
149 | tcs = (LttvTraceState *)tc; |
dbb7bb09 |
150 | tcs->save_interval = 50000; |
151 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
152 | LTTV_POINTER, &v); |
153 | if(*(v.v_pointer) == NULL) *(v.v_pointer) = g_new(LttTime,1); |
154 | tcs->max_time_state_recomputed_in_seek = (LttTime *)*(v.v_pointer); |
155 | |
b445142a |
156 | fill_name_tables(tcs); |
dc877563 |
157 | |
dbb7bb09 |
158 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t) + |
159 | ltt_trace_per_cpu_tracefile_number(tc->t); |
160 | |
dc877563 |
161 | for(j = 0 ; j < nb_tracefile ; j++) { |
dbb7bb09 |
162 | tfcs = LTTV_TRACEFILE_STATE(tc->tracefiles[j]); |
b445142a |
163 | tfcs->cpu_name= g_quark_from_string(ltt_tracefile_name(tfcs->parent.tf)); |
dc877563 |
164 | } |
308711e5 |
165 | tcs->processes = NULL; |
166 | restore_init_state(tcs); |
dc877563 |
167 | } |
168 | } |
169 | |
170 | |
171 | static void |
172 | fini(LttvTracesetState *self) |
173 | { |
dbb7bb09 |
174 | guint i, j, nb_trace; |
dc877563 |
175 | |
ffd54a90 |
176 | LttvTraceState *tcs; |
dc877563 |
177 | |
ffd54a90 |
178 | LttvTracefileState *tfcs; |
dc877563 |
179 | |
ffd54a90 |
180 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
dc877563 |
181 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
182 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
308711e5 |
183 | lttv_state_free_process_table(tcs->processes); |
184 | tcs->processes = NULL; |
b445142a |
185 | free_name_tables(tcs); |
dc877563 |
186 | } |
b445142a |
187 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
188 | fini((LttvTracesetContext *)self); |
dc877563 |
189 | } |
190 | |
191 | |
c432246e |
192 | static LttvTracesetContext * |
dc877563 |
193 | new_traceset_context(LttvTracesetContext *self) |
194 | { |
ffd54a90 |
195 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
dc877563 |
196 | } |
197 | |
198 | |
c432246e |
199 | static LttvTraceContext * |
dc877563 |
200 | new_trace_context(LttvTracesetContext *self) |
201 | { |
ffd54a90 |
202 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
dc877563 |
203 | } |
204 | |
205 | |
c432246e |
206 | static LttvTracefileContext * |
dc877563 |
207 | new_tracefile_context(LttvTracesetContext *self) |
208 | { |
ffd54a90 |
209 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
210 | } |
211 | |
212 | |
dbb7bb09 |
213 | /* Write the process state of the trace */ |
214 | |
215 | static void write_process_state(gpointer key, gpointer value, |
216 | gpointer user_data) |
217 | { |
218 | LttvProcessState *process; |
219 | |
220 | LttvExecutionState *es; |
221 | |
222 | FILE *fp = (FILE *)user_data; |
223 | |
224 | guint i; |
225 | |
226 | process = (LttvProcessState *)value; |
227 | fprintf(fp, |
228 | " <PROCESS PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%s\">\n", |
229 | process->pid, process->ppid, process->creation_time.tv_sec, |
230 | process->creation_time.tv_nsec, g_quark_to_string(process->name), |
231 | g_quark_to_string(process->last_cpu)); |
232 | |
233 | for(i = 0 ; i < process->execution_stack->len; i++) { |
234 | es = &g_array_index(process->execution_stack, LttvExecutionState, i); |
235 | fprintf(fp, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu", |
236 | g_quark_to_string(es->t), g_quark_to_string(es->n), |
237 | es->entry.tv_sec, es->entry.tv_nsec); |
238 | fprintf(fp, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n", |
239 | es->change.tv_sec, es->change.tv_nsec, g_quark_to_string(es->s)); |
240 | } |
241 | fprintf(fp, " </PROCESS>\n"); |
242 | } |
243 | |
244 | |
245 | void lttv_state_write(LttvTraceState *self, LttTime t, FILE *fp) |
246 | { |
247 | guint i, nb_tracefile, nb_block, nb_event; |
248 | |
249 | LttvTracefileState *tfcs; |
250 | |
251 | LttTracefile *tf; |
252 | |
253 | LttEventPosition *ep; |
254 | |
255 | ep = ltt_event_position_new(); |
256 | |
257 | fprintf(fp,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t.tv_sec, t.tv_nsec); |
258 | |
259 | g_hash_table_foreach(self->processes, write_process_state, fp); |
260 | |
261 | nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) + |
262 | ltt_trace_per_cpu_tracefile_number(self->parent.t); |
263 | |
264 | for(i = 0 ; i < nb_tracefile ; i++) { |
265 | tfcs = (LttvTracefileState *)self->parent.tracefiles[i]; |
266 | fprintf(fp, " <TRACEFILE PID=%u", tfcs->process->pid); |
267 | if(tfcs->parent.e == NULL) fprintf(fp,"/>\n"); |
268 | else { |
269 | ltt_event_position(tfcs->parent.e, ep); |
270 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
271 | fprintf(fp, " BLOCK=%u EVENT=%u/>\n", nb_block, nb_event); |
272 | } |
273 | } |
274 | g_free(ep); |
275 | fprintf(fp,"</PROCESS_STATE>"); |
276 | } |
277 | |
278 | |
279 | /* Copy each process from an existing hash table to a new one */ |
280 | |
308711e5 |
281 | static void copy_process_state(gpointer key, gpointer value,gpointer user_data) |
ffd54a90 |
282 | { |
308711e5 |
283 | LttvProcessState *process, *new_process; |
ffd54a90 |
284 | |
308711e5 |
285 | GHashTable *new_processes = (GHashTable *)user_data; |
ffd54a90 |
286 | |
308711e5 |
287 | guint i; |
288 | |
289 | process = (LttvProcessState *)value; |
290 | new_process = g_new(LttvProcessState, 1); |
291 | *new_process = *process; |
292 | new_process->execution_stack = g_array_new(FALSE, FALSE, |
293 | sizeof(LttvExecutionState)); |
294 | g_array_set_size(new_process->execution_stack,process->execution_stack->len); |
295 | for(i = 0 ; i < process->execution_stack->len; i++) { |
296 | g_array_index(new_process->execution_stack, LttvExecutionState, i) = |
297 | g_array_index(process->execution_stack, LttvExecutionState, i); |
298 | } |
299 | new_process->state = &g_array_index(new_process->execution_stack, |
300 | LttvExecutionState, new_process->execution_stack->len - 1); |
2a2fa4f0 |
301 | g_hash_table_insert(new_processes, new_process, new_process); |
ffd54a90 |
302 | } |
303 | |
304 | |
308711e5 |
305 | static GHashTable *lttv_state_copy_process_table(GHashTable *processes) |
ffd54a90 |
306 | { |
2a2fa4f0 |
307 | GHashTable *new_processes = g_hash_table_new(process_hash, process_equal); |
ffd54a90 |
308 | |
308711e5 |
309 | g_hash_table_foreach(processes, copy_process_state, new_processes); |
310 | return new_processes; |
dc877563 |
311 | } |
312 | |
313 | |
308711e5 |
314 | /* The saved state for each trace contains a member "processes", which |
315 | stores a copy of the process table, and a member "tracefiles" with |
316 | one entry per tracefile. Each tracefile has a "process" member pointing |
317 | to the current process and a "position" member storing the tracefile |
318 | position (needed to seek to the current "next" event. */ |
319 | |
320 | static void state_save(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
321 | { |
dbb7bb09 |
322 | guint i, nb_tracefile; |
dc877563 |
323 | |
308711e5 |
324 | LttvTracefileState *tfcs; |
325 | |
326 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
327 | |
328 | LttvAttributeType type; |
329 | |
330 | LttvAttributeValue value; |
331 | |
332 | LttvAttributeName name; |
333 | |
334 | LttEventPosition *ep; |
335 | |
336 | tracefiles_tree = lttv_attribute_find_subdir(container, |
337 | LTTV_STATE_TRACEFILES); |
338 | |
339 | value = lttv_attribute_add(container, LTTV_STATE_PROCESSES, |
340 | LTTV_POINTER); |
341 | *(value.v_pointer) = lttv_state_copy_process_table(self->processes); |
342 | |
dbb7bb09 |
343 | nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) + |
344 | ltt_trace_per_cpu_tracefile_number(self->parent.t); |
308711e5 |
345 | |
346 | for(i = 0 ; i < nb_tracefile ; i++) { |
dbb7bb09 |
347 | tfcs = (LttvTracefileState *)self->parent.tracefiles[i]; |
308711e5 |
348 | tracefile_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
349 | value = lttv_attribute_add(tracefiles_tree, i, |
350 | LTTV_GOBJECT); |
351 | *(value.v_gobject) = (GObject *)tracefile_tree; |
352 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_PROCESS, |
353 | LTTV_UINT); |
354 | *(value.v_uint) = tfcs->process->pid; |
355 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_EVENT, |
356 | LTTV_POINTER); |
357 | if(tfcs->parent.e == NULL) *(value.v_pointer) = NULL; |
358 | else { |
a5dcde2f |
359 | ep = ltt_event_position_new(); |
308711e5 |
360 | ltt_event_position(tfcs->parent.e, ep); |
361 | *(value.v_pointer) = ep; |
362 | } |
dc877563 |
363 | } |
dc877563 |
364 | } |
365 | |
366 | |
308711e5 |
367 | static void state_restore(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
368 | { |
dbb7bb09 |
369 | guint i, nb_tracefile, pid; |
dc877563 |
370 | |
308711e5 |
371 | LttvTracefileState *tfcs; |
dc877563 |
372 | |
308711e5 |
373 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
374 | |
308711e5 |
375 | LttvAttributeType type; |
dc877563 |
376 | |
308711e5 |
377 | LttvAttributeValue value; |
dc877563 |
378 | |
308711e5 |
379 | LttvAttributeName name; |
dc877563 |
380 | |
308711e5 |
381 | LttEventPosition *ep; |
dc877563 |
382 | |
308711e5 |
383 | tracefiles_tree = lttv_attribute_find_subdir(container, |
384 | LTTV_STATE_TRACEFILES); |
dc877563 |
385 | |
308711e5 |
386 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
387 | &value); |
388 | g_assert(type == LTTV_POINTER); |
389 | lttv_state_free_process_table(self->processes); |
390 | self->processes = lttv_state_copy_process_table(*(value.v_pointer)); |
391 | |
dbb7bb09 |
392 | nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) + |
393 | ltt_trace_per_cpu_tracefile_number(self->parent.t); |
308711e5 |
394 | |
395 | for(i = 0 ; i < nb_tracefile ; i++) { |
dbb7bb09 |
396 | tfcs = (LttvTracefileState *)self->parent.tracefiles[i]; |
308711e5 |
397 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
398 | g_assert(type == LTTV_GOBJECT); |
399 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
400 | |
401 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_PROCESS, |
402 | &value); |
403 | g_assert(type == LTTV_UINT); |
2a2fa4f0 |
404 | pid = *(value.v_uint); |
405 | tfcs->process = lttv_state_find_process_or_create(tfcs, pid); |
406 | |
308711e5 |
407 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
408 | &value); |
409 | g_assert(type == LTTV_POINTER); |
410 | if(*(value.v_pointer) == NULL) tfcs->parent.e = NULL; |
411 | else { |
412 | ep = *(value.v_pointer); |
413 | ltt_tracefile_seek_position(tfcs->parent.tf, ep); |
414 | tfcs->parent.e = ltt_tracefile_read(tfcs->parent.tf); |
415 | tfcs->parent.timestamp = ltt_event_time(tfcs->parent.e); |
416 | } |
dc877563 |
417 | } |
dc877563 |
418 | } |
419 | |
420 | |
308711e5 |
421 | static void state_saved_free(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
422 | { |
dbb7bb09 |
423 | guint i, nb_tracefile; |
dc877563 |
424 | |
308711e5 |
425 | LttvTracefileState *tfcs; |
dc877563 |
426 | |
308711e5 |
427 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
428 | |
308711e5 |
429 | LttvAttributeType type; |
dc877563 |
430 | |
308711e5 |
431 | LttvAttributeValue value; |
dc877563 |
432 | |
308711e5 |
433 | LttvAttributeName name; |
dc877563 |
434 | |
308711e5 |
435 | LttEventPosition *ep; |
dc877563 |
436 | |
308711e5 |
437 | tracefiles_tree = lttv_attribute_find_subdir(container, |
438 | LTTV_STATE_TRACEFILES); |
439 | lttv_attribute_remove_by_name(container, LTTV_STATE_TRACEFILES); |
dc877563 |
440 | |
308711e5 |
441 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
442 | &value); |
443 | g_assert(type == LTTV_POINTER); |
444 | lttv_state_free_process_table(*(value.v_pointer)); |
445 | *(value.v_pointer) = NULL; |
446 | lttv_attribute_remove_by_name(container, LTTV_STATE_PROCESSES); |
447 | |
dbb7bb09 |
448 | nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) + |
449 | ltt_trace_per_cpu_tracefile_number(self->parent.t); |
308711e5 |
450 | |
451 | for(i = 0 ; i < nb_tracefile ; i++) { |
dbb7bb09 |
452 | tfcs = (LttvTracefileState *)self->parent.tracefiles[i]; |
308711e5 |
453 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
454 | g_assert(type == LTTV_GOBJECT); |
455 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
456 | |
457 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
458 | &value); |
459 | g_assert(type == LTTV_POINTER); |
460 | if(*(value.v_pointer) != NULL) g_free(*(value.v_pointer)); |
dc877563 |
461 | } |
308711e5 |
462 | lttv_attribute_recursive_free(tracefiles_tree); |
dc877563 |
463 | } |
464 | |
465 | |
b445142a |
466 | static void |
467 | fill_name_tables(LttvTraceState *tcs) |
468 | { |
469 | int i, nb; |
dc877563 |
470 | |
b445142a |
471 | char *f_name, *e_name; |
dc877563 |
472 | |
b445142a |
473 | LttvTraceHook h; |
474 | |
475 | LttEventType *et; |
476 | |
477 | LttType *t; |
478 | |
479 | GString *fe_name = g_string_new(""); |
480 | |
481 | nb = ltt_trace_eventtype_number(tcs->parent.t); |
482 | tcs->eventtype_names = g_new(GQuark, nb); |
483 | for(i = 0 ; i < nb ; i++) { |
484 | et = ltt_trace_eventtype_get(tcs->parent.t, i); |
485 | e_name = ltt_eventtype_name(et); |
486 | f_name = ltt_facility_name(ltt_eventtype_facility(et)); |
487 | g_string_printf(fe_name, "%s.%s", f_name, e_name); |
488 | tcs->eventtype_names[i] = g_quark_from_string(fe_name->str); |
489 | } |
dc877563 |
490 | |
b445142a |
491 | lttv_trace_find_hook(tcs->parent.t, "core", "syscall_entry", |
492 | "syscall_id", NULL, NULL, NULL, &h); |
493 | t = ltt_field_type(h.f1); |
494 | nb = ltt_type_element_number(t); |
495 | |
496 | /* CHECK syscalls should be an emun but currently are not! |
497 | tcs->syscall_names = g_new(GQuark, nb); |
498 | |
499 | for(i = 0 ; i < nb ; i++) { |
500 | tcs->syscall_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
501 | } |
502 | */ |
503 | |
504 | tcs->syscall_names = g_new(GQuark, 256); |
505 | for(i = 0 ; i < 256 ; i++) { |
506 | g_string_printf(fe_name, "syscall %d", i); |
507 | tcs->syscall_names[i] = g_quark_from_string(fe_name->str); |
508 | } |
509 | |
510 | lttv_trace_find_hook(tcs->parent.t, "core", "trap_entry", |
511 | "trap_id", NULL, NULL, NULL, &h); |
512 | t = ltt_field_type(h.f1); |
513 | nb = ltt_type_element_number(t); |
514 | |
515 | /* |
516 | tcs->trap_names = g_new(GQuark, nb); |
517 | for(i = 0 ; i < nb ; i++) { |
518 | tcs->trap_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
519 | } |
520 | */ |
521 | |
522 | tcs->trap_names = g_new(GQuark, 256); |
523 | for(i = 0 ; i < 256 ; i++) { |
524 | g_string_printf(fe_name, "trap %d", i); |
525 | tcs->trap_names[i] = g_quark_from_string(fe_name->str); |
526 | } |
527 | |
528 | lttv_trace_find_hook(tcs->parent.t, "core", "irq_entry", |
529 | "irq_id", NULL, NULL, NULL, &h); |
530 | t = ltt_field_type(h.f1); |
531 | nb = ltt_type_element_number(t); |
532 | |
533 | /* |
534 | tcs->irq_names = g_new(GQuark, nb); |
535 | for(i = 0 ; i < nb ; i++) { |
536 | tcs->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
537 | } |
538 | */ |
539 | |
540 | tcs->irq_names = g_new(GQuark, 256); |
541 | for(i = 0 ; i < 256 ; i++) { |
542 | g_string_printf(fe_name, "irq %d", i); |
543 | tcs->irq_names[i] = g_quark_from_string(fe_name->str); |
544 | } |
545 | |
546 | g_string_free(fe_name, TRUE); |
547 | } |
548 | |
549 | |
550 | static void |
551 | free_name_tables(LttvTraceState *tcs) |
552 | { |
553 | g_free(tcs->eventtype_names); |
554 | g_free(tcs->syscall_names); |
555 | g_free(tcs->trap_names); |
556 | g_free(tcs->irq_names); |
557 | } |
dc877563 |
558 | |
b445142a |
559 | |
560 | static void push_state(LttvTracefileState *tfs, LttvExecutionMode t, |
ffd54a90 |
561 | guint state_id) |
dc877563 |
562 | { |
b445142a |
563 | LttvExecutionState *es; |
dc877563 |
564 | |
565 | LttvProcessState *process = tfs->process; |
566 | |
b445142a |
567 | guint depth = process->execution_stack->len; |
dc877563 |
568 | |
b445142a |
569 | g_array_set_size(process->execution_stack, depth + 1); |
570 | es = &g_array_index(process->execution_stack, LttvExecutionState, depth); |
571 | es->t = t; |
572 | es->n = state_id; |
573 | es->entry = es->change = tfs->parent.timestamp; |
574 | es->s = process->state->s; |
575 | process->state = es; |
dc877563 |
576 | } |
577 | |
578 | |
b445142a |
579 | static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t) |
dc877563 |
580 | { |
581 | LttvProcessState *process = tfs->process; |
582 | |
b445142a |
583 | guint depth = process->execution_stack->len - 1; |
dc877563 |
584 | |
3d27549e |
585 | if(process->state->t != t){ |
b445142a |
586 | g_warning("Different execution mode type (%d.%09d): ignore it\n", |
587 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
8e8e6b64 |
588 | g_warning("process state has %s when pop_int is %s\n", |
589 | g_quark_to_string(process->state->t), |
590 | g_quark_to_string(t)); |
591 | g_warning("{ %u, %u, %s, %s }\n", |
592 | process->pid, |
593 | process->ppid, |
594 | g_quark_to_string(process->name), |
595 | g_quark_to_string(process->state->s)); |
3d27549e |
596 | return; |
597 | } |
b445142a |
598 | |
599 | if(depth == 0){ |
600 | g_warning("Trying to pop last state on stack (%d.%09d): ignore it\n", |
601 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
602 | return; |
603 | } |
604 | |
605 | g_array_remove_index(process->execution_stack, depth); |
dc877563 |
606 | depth--; |
b445142a |
607 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
dc877563 |
608 | depth); |
b445142a |
609 | process->state->change = tfs->parent.timestamp; |
dc877563 |
610 | } |
611 | |
612 | |
2a2fa4f0 |
613 | LttvProcessState * |
614 | lttv_state_create_process(LttvTracefileState *tfs, LttvProcessState *parent, |
615 | guint pid) |
dc877563 |
616 | { |
617 | LttvProcessState *process = g_new(LttvProcessState, 1); |
618 | |
b445142a |
619 | LttvExecutionState *es; |
dc877563 |
620 | |
ffd54a90 |
621 | LttvTraceContext *tc; |
622 | |
ba576a78 |
623 | LttvTraceState *tcs; |
624 | |
b445142a |
625 | char buffer[128]; |
ffd54a90 |
626 | |
b445142a |
627 | tcs = (LttvTraceState *)tc = tfs->parent.t_context; |
60b53e4f |
628 | |
dc877563 |
629 | process->pid = pid; |
2a2fa4f0 |
630 | process->last_cpu = tfs->cpu_name; |
631 | g_hash_table_insert(tcs->processes, process, process); |
b445142a |
632 | |
633 | if(parent) { |
634 | process->ppid = parent->pid; |
635 | process->name = parent->name; |
2a2fa4f0 |
636 | process->creation_time = tfs->parent.timestamp; |
b445142a |
637 | } |
2a2fa4f0 |
638 | |
639 | /* No parent. This process exists but we are missing all information about |
640 | its creation. The birth time is set to zero but we remember the time of |
641 | insertion */ |
642 | |
b445142a |
643 | else { |
644 | process->ppid = 0; |
645 | process->name = LTTV_STATE_UNNAMED; |
2a2fa4f0 |
646 | process->creation_time = ltt_time_zero; |
b445142a |
647 | } |
648 | |
2a2fa4f0 |
649 | process->insertion_time = tfs->parent.timestamp; |
b445142a |
650 | sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec, |
651 | process->creation_time.tv_nsec); |
652 | process->pid_time = g_quark_from_string(buffer); |
2a2fa4f0 |
653 | process->last_cpu = tfs->cpu_name; |
b445142a |
654 | process->execution_stack = g_array_new(FALSE, FALSE, |
655 | sizeof(LttvExecutionState)); |
656 | g_array_set_size(process->execution_stack, 1); |
657 | es = process->state = &g_array_index(process->execution_stack, |
658 | LttvExecutionState, 0); |
659 | es->t = LTTV_STATE_USER_MODE; |
660 | es->n = LTTV_STATE_SUBMODE_NONE; |
661 | es->entry = tfs->parent.timestamp; |
662 | es->change = tfs->parent.timestamp; |
663 | es->s = LTTV_STATE_WAIT_FORK; |
cbe7c836 |
664 | |
665 | return process; |
dc877563 |
666 | } |
667 | |
2a2fa4f0 |
668 | |
669 | LttvProcessState * |
670 | lttv_state_find_process_from_trace(LttvTraceState *ts, GQuark cpu, guint pid) |
dc877563 |
671 | { |
2a2fa4f0 |
672 | LttvProcessState key; |
673 | LttvProcessState *process; |
674 | |
675 | key.pid = pid; |
676 | key.last_cpu = cpu; |
677 | process = g_hash_table_lookup(ts->processes, &key); |
dc877563 |
678 | return process; |
679 | } |
680 | |
2a2fa4f0 |
681 | |
682 | LttvProcessState *lttv_state_find_process(LttvTracefileState *tfs, |
d0cd7f09 |
683 | guint pid) |
684 | { |
2a2fa4f0 |
685 | LttvTraceState *ts =(LttvTraceState *)tfs->parent.t_context; |
686 | return lttv_state_find_process_from_trace(ts, tfs->cpu_name, pid); |
d0cd7f09 |
687 | } |
688 | |
689 | |
2a2fa4f0 |
690 | LttvProcessState * |
691 | lttv_state_find_process_or_create(LttvTracefileState *tfs, guint pid) |
692 | { |
693 | LttvProcessState *process = lttv_state_find_process(tfs, pid); |
694 | |
695 | if(process == NULL) process = lttv_state_create_process(tfs, NULL, pid); |
696 | return process; |
697 | } |
698 | |
dc877563 |
699 | |
b445142a |
700 | static void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
dc877563 |
701 | { |
ba576a78 |
702 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
2a2fa4f0 |
703 | LttvProcessState key; |
ba576a78 |
704 | |
2a2fa4f0 |
705 | key.pid = process->pid; |
706 | key.last_cpu = process->last_cpu; |
707 | g_hash_table_remove(ts->processes, &key); |
b445142a |
708 | g_array_free(process->execution_stack, TRUE); |
dc877563 |
709 | g_free(process); |
710 | } |
711 | |
712 | |
b445142a |
713 | static void free_process_state(gpointer key, gpointer value,gpointer user_data) |
dc877563 |
714 | { |
b445142a |
715 | g_array_free(((LttvProcessState *)value)->execution_stack, TRUE); |
dc877563 |
716 | g_free(value); |
717 | } |
718 | |
719 | |
308711e5 |
720 | static void lttv_state_free_process_table(GHashTable *processes) |
dc877563 |
721 | { |
722 | g_hash_table_foreach(processes, free_process_state, NULL); |
308711e5 |
723 | g_hash_table_destroy(processes); |
dc877563 |
724 | } |
725 | |
726 | |
b445142a |
727 | static gboolean syscall_entry(void *hook_data, void *call_data) |
dc877563 |
728 | { |
b445142a |
729 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
730 | |
ba576a78 |
731 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
732 | |
b445142a |
733 | LttvExecutionSubmode submode; |
734 | |
735 | submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[ |
736 | ltt_event_get_unsigned(s->parent.e, f)]; |
737 | push_state(s, LTTV_STATE_SYSCALL, submode); |
dc877563 |
738 | return FALSE; |
739 | } |
740 | |
741 | |
b445142a |
742 | static gboolean syscall_exit(void *hook_data, void *call_data) |
dc877563 |
743 | { |
ba576a78 |
744 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
745 | |
ffd54a90 |
746 | pop_state(s, LTTV_STATE_SYSCALL); |
dc877563 |
747 | return FALSE; |
748 | } |
749 | |
750 | |
b445142a |
751 | static gboolean trap_entry(void *hook_data, void *call_data) |
dc877563 |
752 | { |
b445142a |
753 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
754 | |
ba576a78 |
755 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
756 | |
b445142a |
757 | LttvExecutionSubmode submode; |
758 | |
759 | submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[ |
760 | ltt_event_get_unsigned(s->parent.e, f)]; |
761 | push_state(s, LTTV_STATE_TRAP, submode); |
dc877563 |
762 | return FALSE; |
763 | } |
764 | |
765 | |
b445142a |
766 | static gboolean trap_exit(void *hook_data, void *call_data) |
dc877563 |
767 | { |
ba576a78 |
768 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
769 | |
ffd54a90 |
770 | pop_state(s, LTTV_STATE_TRAP); |
dc877563 |
771 | return FALSE; |
772 | } |
773 | |
774 | |
b445142a |
775 | static gboolean irq_entry(void *hook_data, void *call_data) |
dc877563 |
776 | { |
b445142a |
777 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
778 | |
ba576a78 |
779 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
780 | |
b445142a |
781 | LttvExecutionSubmode submode; |
782 | |
783 | submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[ |
784 | ltt_event_get_unsigned(s->parent.e, f)]; |
785 | |
dc877563 |
786 | /* Do something with the info about being in user or system mode when int? */ |
b445142a |
787 | push_state(s, LTTV_STATE_IRQ, submode); |
dc877563 |
788 | return FALSE; |
789 | } |
790 | |
791 | |
b445142a |
792 | static gboolean irq_exit(void *hook_data, void *call_data) |
dc877563 |
793 | { |
ba576a78 |
794 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
795 | |
ffd54a90 |
796 | pop_state(s, LTTV_STATE_IRQ); |
dc877563 |
797 | return FALSE; |
798 | } |
799 | |
800 | |
b445142a |
801 | static gboolean schedchange(void *hook_data, void *call_data) |
dc877563 |
802 | { |
b445142a |
803 | LttvTraceHook *h = (LttvTraceHook *)hook_data; |
dc877563 |
804 | |
ba576a78 |
805 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
806 | |
807 | guint pid_in, pid_out, state_out; |
808 | |
3d27549e |
809 | pid_in = ltt_event_get_unsigned(s->parent.e, h->f1); |
810 | pid_out = ltt_event_get_unsigned(s->parent.e, h->f2); |
811 | state_out = ltt_event_get_unsigned(s->parent.e, h->f3); |
b445142a |
812 | |
dc877563 |
813 | if(s->process != NULL) { |
b445142a |
814 | |
ffd54a90 |
815 | if(state_out == 0) s->process->state->s = LTTV_STATE_WAIT_CPU; |
816 | else if(s->process->state->s == LTTV_STATE_EXIT) |
ba576a78 |
817 | exit_process(s, s->process); |
ffd54a90 |
818 | else s->process->state->s = LTTV_STATE_WAIT; |
3d27549e |
819 | |
820 | if(s->process->pid == 0) |
90ffd2ad |
821 | s->process->pid = pid_out; |
b445142a |
822 | |
823 | s->process->state->change = s->parent.timestamp; |
dc877563 |
824 | } |
2a2fa4f0 |
825 | s->process = lttv_state_find_process_or_create(s, pid_in); |
ffd54a90 |
826 | s->process->state->s = LTTV_STATE_RUN; |
2a2fa4f0 |
827 | s->process->last_cpu = s->cpu_name; |
b445142a |
828 | s->process->state->change = s->parent.timestamp; |
dc877563 |
829 | return FALSE; |
830 | } |
831 | |
832 | |
b445142a |
833 | static gboolean process_fork(void *hook_data, void *call_data) |
dc877563 |
834 | { |
b445142a |
835 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
836 | |
ba576a78 |
837 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
838 | |
839 | guint child_pid; |
840 | |
3d27549e |
841 | child_pid = ltt_event_get_unsigned(s->parent.e, f); |
2a2fa4f0 |
842 | lttv_state_create_process(s, s->process, child_pid); |
dc877563 |
843 | return FALSE; |
844 | } |
845 | |
846 | |
b445142a |
847 | static gboolean process_exit(void *hook_data, void *call_data) |
dc877563 |
848 | { |
ba576a78 |
849 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
850 | |
851 | if(s->process != NULL) { |
ffd54a90 |
852 | s->process->state->s = LTTV_STATE_EXIT; |
dc877563 |
853 | } |
854 | return FALSE; |
855 | } |
856 | |
857 | |
308711e5 |
858 | void lttv_state_add_event_hooks(LttvTracesetState *self) |
dc877563 |
859 | { |
ba576a78 |
860 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
861 | |
dbb7bb09 |
862 | guint i, j, k, nb_trace, nb_tracefile; |
dc877563 |
863 | |
ba576a78 |
864 | LttvTraceState *ts; |
dc877563 |
865 | |
ba576a78 |
866 | LttvTracefileState *tfs; |
dc877563 |
867 | |
dc877563 |
868 | GArray *hooks; |
869 | |
b445142a |
870 | LttvTraceHook hook; |
dc877563 |
871 | |
872 | LttvAttributeValue val; |
873 | |
ba576a78 |
874 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
875 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
876 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
877 | |
878 | /* Find the eventtype id for the following events and register the |
879 | associated by id hooks. */ |
880 | |
b445142a |
881 | hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook)); |
882 | g_array_set_size(hooks, 9); |
883 | |
884 | lttv_trace_find_hook(ts->parent.t, "core","syscall_entry","syscall_id", |
885 | NULL, NULL, syscall_entry, &g_array_index(hooks, LttvTraceHook, 0)); |
cbe7c836 |
886 | |
b445142a |
887 | lttv_trace_find_hook(ts->parent.t, "core", "syscall_exit", NULL, NULL, |
888 | NULL, syscall_exit, &g_array_index(hooks, LttvTraceHook, 1)); |
cbe7c836 |
889 | |
b445142a |
890 | lttv_trace_find_hook(ts->parent.t, "core", "trap_entry", "trap_id", |
891 | NULL, NULL, trap_entry, &g_array_index(hooks, LttvTraceHook, 2)); |
cbe7c836 |
892 | |
b445142a |
893 | lttv_trace_find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, NULL, |
894 | trap_exit, &g_array_index(hooks, LttvTraceHook, 3)); |
cbe7c836 |
895 | |
b445142a |
896 | lttv_trace_find_hook(ts->parent.t, "core", "irq_entry", "irq_id", NULL, |
897 | NULL, irq_entry, &g_array_index(hooks, LttvTraceHook, 4)); |
cbe7c836 |
898 | |
b445142a |
899 | lttv_trace_find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, NULL, |
900 | irq_exit, &g_array_index(hooks, LttvTraceHook, 5)); |
cbe7c836 |
901 | |
b445142a |
902 | lttv_trace_find_hook(ts->parent.t, "core", "schedchange", "in", "out", |
903 | "out_state", schedchange, &g_array_index(hooks, LttvTraceHook, 6)); |
cbe7c836 |
904 | |
b445142a |
905 | lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid", |
906 | NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7)); |
cbe7c836 |
907 | |
b445142a |
908 | lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL, |
909 | NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8)); |
dc877563 |
910 | |
911 | /* Add these hooks to each before_event_by_id hooks list */ |
912 | |
dbb7bb09 |
913 | nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) + |
914 | ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
915 | |
dc877563 |
916 | for(j = 0 ; j < nb_tracefile ; j++) { |
dbb7bb09 |
917 | tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]); |
dc877563 |
918 | |
919 | for(k = 0 ; k < hooks->len ; k++) { |
b445142a |
920 | hook = g_array_index(hooks, LttvTraceHook, k); |
921 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
922 | hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k)); |
ffd54a90 |
923 | } |
dc877563 |
924 | } |
ba576a78 |
925 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
926 | *(val.v_pointer) = hooks; |
dc877563 |
927 | } |
928 | } |
929 | |
930 | |
308711e5 |
931 | void lttv_state_remove_event_hooks(LttvTracesetState *self) |
dc877563 |
932 | { |
ba576a78 |
933 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
934 | |
dbb7bb09 |
935 | guint i, j, k, nb_trace, nb_tracefile; |
dc877563 |
936 | |
ba576a78 |
937 | LttvTraceState *ts; |
dc877563 |
938 | |
ba576a78 |
939 | LttvTracefileState *tfs; |
dc877563 |
940 | |
dc877563 |
941 | GArray *hooks; |
942 | |
b445142a |
943 | LttvTraceHook hook; |
dc877563 |
944 | |
945 | LttvAttributeValue val; |
946 | |
ba576a78 |
947 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
948 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
949 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
950 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
951 | hooks = *(val.v_pointer); |
dc877563 |
952 | |
953 | /* Add these hooks to each before_event_by_id hooks list */ |
954 | |
dbb7bb09 |
955 | nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) + |
956 | ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
957 | |
dc877563 |
958 | for(j = 0 ; j < nb_tracefile ; j++) { |
dbb7bb09 |
959 | tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]); |
dc877563 |
960 | |
961 | for(k = 0 ; k < hooks->len ; k++) { |
b445142a |
962 | hook = g_array_index(hooks, LttvTraceHook, k); |
ba576a78 |
963 | lttv_hooks_remove_data( |
b445142a |
964 | lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
965 | hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k)); |
ffd54a90 |
966 | } |
dc877563 |
967 | } |
968 | g_array_free(hooks, TRUE); |
969 | } |
970 | } |
971 | |
972 | |
308711e5 |
973 | static gboolean block_end(void *hook_data, void *call_data) |
974 | { |
dbb7bb09 |
975 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
308711e5 |
976 | |
dbb7bb09 |
977 | LttvTracefileState *tfcs; |
308711e5 |
978 | |
dbb7bb09 |
979 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
980 | |
981 | LttEventPosition *ep; |
308711e5 |
982 | |
dbb7bb09 |
983 | guint i, nb_block, nb_event, nb_tracefile; |
308711e5 |
984 | |
985 | LttTracefile *tf; |
986 | |
987 | LttvAttribute *saved_states_tree, *saved_state_tree; |
988 | |
989 | LttvAttributeValue value; |
990 | |
dbb7bb09 |
991 | ep = ltt_event_position_new(); |
992 | nb_tracefile = ltt_trace_control_tracefile_number(tcs->parent.t) + |
993 | ltt_trace_per_cpu_tracefile_number(tcs->parent.t); |
994 | |
995 | /* Count the number of events added since the last block end in any |
996 | tracefile. */ |
997 | |
998 | for(i = 0 ; i < nb_tracefile ; i++) { |
999 | tfcs = (LttvTracefileState *)tcs->parent.tracefiles[i]; |
1000 | ltt_event_position(tfcs->parent.e, ep); |
1001 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
1002 | tcs->nb_event += nb_event - tfcs->saved_position; |
1003 | tfcs->saved_position = nb_event; |
1004 | } |
1005 | g_free(ep); |
308711e5 |
1006 | |
308711e5 |
1007 | if(tcs->nb_event >= tcs->save_interval) { |
1008 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1009 | LTTV_STATE_SAVED_STATES); |
1010 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
1011 | value = lttv_attribute_add(saved_states_tree, |
1012 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
1013 | *(value.v_gobject) = (GObject *)saved_state_tree; |
1014 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
dbb7bb09 |
1015 | *(value.v_time) = self->parent.timestamp; |
308711e5 |
1016 | lttv_state_save(tcs, saved_state_tree); |
1017 | tcs->nb_event = 0; |
1018 | } |
dbb7bb09 |
1019 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
308711e5 |
1020 | return FALSE; |
1021 | } |
1022 | |
1023 | |
1024 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
1025 | { |
1026 | LttvTraceset *traceset = self->parent.ts; |
1027 | |
dbb7bb09 |
1028 | guint i, j, k, nb_trace, nb_tracefile; |
308711e5 |
1029 | |
1030 | LttvTraceState *ts; |
1031 | |
1032 | LttvTracefileState *tfs; |
1033 | |
1034 | LttvTraceHook hook; |
1035 | |
1036 | nb_trace = lttv_traceset_number(traceset); |
1037 | for(i = 0 ; i < nb_trace ; i++) { |
1038 | ts = (LttvTraceState *)self->parent.traces[i]; |
1039 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
1040 | NULL, NULL, block_end, &hook); |
1041 | |
dbb7bb09 |
1042 | nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) + |
1043 | ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
308711e5 |
1044 | |
dbb7bb09 |
1045 | for(j = 0 ; j < nb_tracefile ; j++) { |
1046 | tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]); |
308711e5 |
1047 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
1048 | hook.id), hook.h, NULL); |
1049 | } |
1050 | } |
1051 | } |
1052 | |
1053 | |
1054 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
1055 | { |
1056 | LttvTraceset *traceset = self->parent.ts; |
1057 | |
dbb7bb09 |
1058 | guint i, j, k, nb_trace, nb_tracefile; |
308711e5 |
1059 | |
1060 | LttvTraceState *ts; |
1061 | |
1062 | LttvTracefileState *tfs; |
1063 | |
1064 | LttvTraceHook hook; |
1065 | |
1066 | nb_trace = lttv_traceset_number(traceset); |
1067 | for(i = 0 ; i < nb_trace ; i++) { |
1068 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
1069 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
1070 | NULL, NULL, block_end, &hook); |
1071 | |
dbb7bb09 |
1072 | nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) + |
1073 | ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
308711e5 |
1074 | |
dbb7bb09 |
1075 | for(j = 0 ; j < nb_tracefile ; j++) { |
1076 | tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]); |
308711e5 |
1077 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
1078 | tfs->parent.after_event_by_id, hook.id), hook.h, NULL); |
1079 | } |
1080 | } |
1081 | } |
1082 | |
1083 | |
dd025f91 |
1084 | void lttv_state_traceset_seek_time_closest(LttvTracesetState *self, LttTime t) |
308711e5 |
1085 | { |
1086 | LttvTraceset *traceset = self->parent.ts; |
1087 | |
1088 | guint i, j, nb_trace, nb_saved_state; |
1089 | |
1090 | int min_pos, mid_pos, max_pos; |
1091 | |
1092 | LttvTraceState *tcs; |
1093 | |
1094 | LttvAttributeValue value; |
1095 | |
1096 | LttvAttributeType type; |
1097 | |
1098 | LttvAttributeName name; |
1099 | |
1100 | LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree; |
1101 | |
1102 | nb_trace = lttv_traceset_number(traceset); |
1103 | for(i = 0 ; i < nb_trace ; i++) { |
1104 | tcs = (LttvTraceState *)self->parent.traces[i]; |
1105 | |
2a2fa4f0 |
1106 | if(ltt_time_compare(t, *(tcs->max_time_state_recomputed_in_seek)) < 0) { |
1107 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1108 | LTTV_STATE_SAVED_STATES); |
1109 | min_pos = -1; |
1110 | |
1111 | if(saved_states_tree) { |
dd025f91 |
1112 | max_pos = lttv_attribute_get_number(saved_states_tree) - 1; |
1113 | mid_pos = max_pos / 2; |
1114 | while(min_pos < max_pos) { |
1115 | type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value); |
1116 | g_assert(type == LTTV_GOBJECT); |
1117 | saved_state_tree = *((LttvAttribute **)(value.v_gobject)); |
1118 | type = lttv_attribute_get_by_name(saved_state_tree, LTTV_STATE_TIME, |
1119 | &value); |
1120 | g_assert(type == LTTV_TIME); |
1121 | if(ltt_time_compare(*(value.v_time), t) < 0) { |
1122 | min_pos = mid_pos; |
1123 | closest_tree = saved_state_tree; |
1124 | } |
1125 | else max_pos = mid_pos - 1; |
1126 | |
1127 | mid_pos = (min_pos + max_pos + 1) / 2; |
1128 | } |
2a2fa4f0 |
1129 | } |
dd025f91 |
1130 | |
2a2fa4f0 |
1131 | /* restore the closest earlier saved state */ |
1132 | if(min_pos != -1) lttv_state_restore(tcs, closest_tree); |
dd025f91 |
1133 | |
2a2fa4f0 |
1134 | /* There is no saved state, yet we want to have it. Restart at T0 */ |
dd025f91 |
1135 | else { |
1136 | restore_init_state(tcs); |
1137 | lttv_process_trace_seek_time(&(tcs->parent), ltt_time_zero); |
308711e5 |
1138 | } |
9444deae |
1139 | } |
dd025f91 |
1140 | /* We want to seek quickly without restoring/updating the state */ |
1141 | else { |
308711e5 |
1142 | restore_init_state(tcs); |
dd025f91 |
1143 | lttv_process_trace_seek_time(&(tcs->parent), t); |
308711e5 |
1144 | } |
308711e5 |
1145 | } |
1146 | } |
1147 | |
1148 | |
1149 | static void |
1150 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1151 | { |
1152 | } |
1153 | |
1154 | |
1155 | static void |
1156 | traceset_state_finalize (LttvTracesetState *self) |
1157 | { |
1158 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
1159 | finalize(G_OBJECT(self)); |
1160 | } |
1161 | |
1162 | |
1163 | static void |
1164 | traceset_state_class_init (LttvTracesetContextClass *klass) |
1165 | { |
1166 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1167 | |
1168 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
1169 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
1170 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
1171 | klass->new_traceset_context = new_traceset_context; |
1172 | klass->new_trace_context = new_trace_context; |
1173 | klass->new_tracefile_context = new_tracefile_context; |
1174 | } |
1175 | |
1176 | |
1177 | GType |
1178 | lttv_traceset_state_get_type(void) |
1179 | { |
1180 | static GType type = 0; |
1181 | if (type == 0) { |
1182 | static const GTypeInfo info = { |
1183 | sizeof (LttvTracesetStateClass), |
1184 | NULL, /* base_init */ |
1185 | NULL, /* base_finalize */ |
1186 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
1187 | NULL, /* class_finalize */ |
1188 | NULL, /* class_data */ |
dbb7bb09 |
1189 | sizeof (LttvTracesetState), |
308711e5 |
1190 | 0, /* n_preallocs */ |
1191 | (GInstanceInitFunc) traceset_state_instance_init /* instance_init */ |
1192 | }; |
1193 | |
1194 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
1195 | &info, 0); |
1196 | } |
1197 | return type; |
1198 | } |
1199 | |
1200 | |
1201 | static void |
1202 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1203 | { |
1204 | } |
1205 | |
1206 | |
1207 | static void |
1208 | trace_state_finalize (LttvTraceState *self) |
1209 | { |
1210 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE))-> |
1211 | finalize(G_OBJECT(self)); |
1212 | } |
1213 | |
1214 | |
1215 | static void |
1216 | trace_state_class_init (LttvTraceStateClass *klass) |
1217 | { |
1218 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1219 | |
1220 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
1221 | klass->state_save = state_save; |
1222 | klass->state_restore = state_restore; |
1223 | klass->state_saved_free = state_saved_free; |
1224 | } |
1225 | |
1226 | |
1227 | GType |
1228 | lttv_trace_state_get_type(void) |
1229 | { |
1230 | static GType type = 0; |
1231 | if (type == 0) { |
1232 | static const GTypeInfo info = { |
1233 | sizeof (LttvTraceStateClass), |
1234 | NULL, /* base_init */ |
1235 | NULL, /* base_finalize */ |
1236 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
1237 | NULL, /* class_finalize */ |
1238 | NULL, /* class_data */ |
1239 | sizeof (LttvTraceState), |
1240 | 0, /* n_preallocs */ |
1241 | (GInstanceInitFunc) trace_state_instance_init /* instance_init */ |
1242 | }; |
1243 | |
1244 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
1245 | "LttvTraceStateType", &info, 0); |
1246 | } |
1247 | return type; |
1248 | } |
1249 | |
1250 | |
1251 | static void |
1252 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1253 | { |
1254 | } |
1255 | |
1256 | |
1257 | static void |
1258 | tracefile_state_finalize (LttvTracefileState *self) |
1259 | { |
1260 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE))-> |
1261 | finalize(G_OBJECT(self)); |
1262 | } |
1263 | |
1264 | |
1265 | static void |
1266 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
1267 | { |
1268 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1269 | |
1270 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
1271 | } |
1272 | |
1273 | |
1274 | GType |
1275 | lttv_tracefile_state_get_type(void) |
1276 | { |
1277 | static GType type = 0; |
1278 | if (type == 0) { |
1279 | static const GTypeInfo info = { |
1280 | sizeof (LttvTracefileStateClass), |
1281 | NULL, /* base_init */ |
1282 | NULL, /* base_finalize */ |
1283 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
1284 | NULL, /* class_finalize */ |
1285 | NULL, /* class_data */ |
1286 | sizeof (LttvTracefileState), |
1287 | 0, /* n_preallocs */ |
1288 | (GInstanceInitFunc) tracefile_state_instance_init /* instance_init */ |
1289 | }; |
1290 | |
1291 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
1292 | "LttvTracefileStateType", &info, 0); |
1293 | } |
1294 | return type; |
1295 | } |
1296 | |
1297 | |
ffd54a90 |
1298 | void lttv_state_init(int argc, char **argv) |
1299 | { |
1300 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
b445142a |
1301 | LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("unknown execution mode"); |
ffd54a90 |
1302 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
1303 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
1304 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
1305 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
1306 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
b445142a |
1307 | LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("unknown submode"); |
1308 | LTTV_STATE_SUBMODE_NONE = g_quark_from_string("(no submode)"); |
ffd54a90 |
1309 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
1310 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
1311 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
1312 | LTTV_STATE_RUN = g_quark_from_string("running"); |
308711e5 |
1313 | LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles"); |
1314 | LTTV_STATE_PROCESSES = g_quark_from_string("processes"); |
1315 | LTTV_STATE_PROCESS = g_quark_from_string("process"); |
1316 | LTTV_STATE_EVENT = g_quark_from_string("event"); |
1317 | LTTV_STATE_SAVED_STATES = g_quark_from_string("saved states"); |
dbb7bb09 |
1318 | LTTV_STATE_SAVED_STATES_TIME = g_quark_from_string("saved states time"); |
308711e5 |
1319 | LTTV_STATE_TIME = g_quark_from_string("time"); |
ffd54a90 |
1320 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
1321 | } |
dc877563 |
1322 | |
ffd54a90 |
1323 | void lttv_state_destroy() |
1324 | { |
1325 | } |
dc877563 |
1326 | |
1327 | |
1328 | |
1329 | |