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 |
dc877563 |
22 | |
08b1c66e |
23 | #include <lttv/lttv.h> |
24 | #include <lttv/module.h> |
dc877563 |
25 | #include <lttv/state.h> |
ba576a78 |
26 | #include <ltt/facility.h> |
27 | #include <ltt/trace.h> |
308711e5 |
28 | #include <ltt/event.h> |
a5dcde2f |
29 | #include <ltt/type.h> |
f95bc830 |
30 | #include <stdio.h> |
dc877563 |
31 | |
e8f2280c |
32 | #define PREALLOCATED_EXECUTION_STACK 10 |
33 | |
eed2ef37 |
34 | /* Facilities Quarks */ |
35 | |
36 | GQuark |
37 | LTT_FACILITY_KERNEL, |
7b143580 |
38 | LTT_FACILITY_ASM_I386_KERNEL, |
f4b88a7d |
39 | LTT_FACILITY_PROCESS, |
40 | LTT_FACILITY_FS; |
eed2ef37 |
41 | |
42 | /* Events Quarks */ |
43 | |
44 | GQuark |
45 | LTT_EVENT_SYSCALL_ENTRY, |
46 | LTT_EVENT_SYSCALL_EXIT, |
47 | LTT_EVENT_TRAP_ENTRY, |
48 | LTT_EVENT_TRAP_EXIT, |
49 | LTT_EVENT_IRQ_ENTRY, |
50 | LTT_EVENT_IRQ_EXIT, |
51 | LTT_EVENT_SCHEDCHANGE, |
52 | LTT_EVENT_FORK, |
53 | LTT_EVENT_EXIT, |
f4b88a7d |
54 | LTT_EVENT_FREE, |
55 | LTT_EVENT_EXEC; |
eed2ef37 |
56 | |
57 | /* Fields Quarks */ |
58 | |
59 | GQuark |
60 | LTT_FIELD_SYSCALL_ID, |
61 | LTT_FIELD_TRAP_ID, |
62 | LTT_FIELD_IRQ_ID, |
63 | LTT_FIELD_OUT, |
64 | LTT_FIELD_IN, |
65 | LTT_FIELD_OUT_STATE, |
66 | LTT_FIELD_PARENT_PID, |
67 | LTT_FIELD_CHILD_PID, |
f4b88a7d |
68 | LTT_FIELD_PID, |
69 | LTT_FIELD_FILENAME; |
eed2ef37 |
70 | |
b445142a |
71 | LttvExecutionMode |
72 | LTTV_STATE_MODE_UNKNOWN, |
ffd54a90 |
73 | LTTV_STATE_USER_MODE, |
74 | LTTV_STATE_SYSCALL, |
75 | LTTV_STATE_TRAP, |
76 | LTTV_STATE_IRQ; |
77 | |
b445142a |
78 | LttvExecutionSubmode |
79 | LTTV_STATE_SUBMODE_UNKNOWN, |
80 | LTTV_STATE_SUBMODE_NONE; |
ffd54a90 |
81 | |
82 | LttvProcessStatus |
83 | LTTV_STATE_UNNAMED, |
84 | LTTV_STATE_WAIT_FORK, |
85 | LTTV_STATE_WAIT_CPU, |
dbd243b1 |
86 | LTTV_STATE_EXIT, |
0828099d |
87 | LTTV_STATE_ZOMBIE, |
ffd54a90 |
88 | LTTV_STATE_WAIT, |
791dffa6 |
89 | LTTV_STATE_RUN, |
90 | LTTV_STATE_DEAD; |
ffd54a90 |
91 | |
ba576a78 |
92 | static GQuark |
308711e5 |
93 | LTTV_STATE_TRACEFILES, |
94 | LTTV_STATE_PROCESSES, |
95 | LTTV_STATE_PROCESS, |
348c6ba8 |
96 | LTTV_STATE_RUNNING_PROCESS, |
308711e5 |
97 | LTTV_STATE_EVENT, |
98 | LTTV_STATE_SAVED_STATES, |
dbb7bb09 |
99 | LTTV_STATE_SAVED_STATES_TIME, |
308711e5 |
100 | LTTV_STATE_TIME, |
f95bc830 |
101 | LTTV_STATE_HOOKS, |
102 | LTTV_STATE_NAME_TABLES, |
103 | LTTV_STATE_TRACE_STATE_USE_COUNT; |
ba576a78 |
104 | |
f95bc830 |
105 | static void create_max_time(LttvTraceState *tcs); |
106 | |
107 | static void get_max_time(LttvTraceState *tcs); |
108 | |
109 | static void free_max_time(LttvTraceState *tcs); |
110 | |
111 | static void create_name_tables(LttvTraceState *tcs); |
112 | |
113 | static void get_name_tables(LttvTraceState *tcs); |
b445142a |
114 | |
115 | static void free_name_tables(LttvTraceState *tcs); |
116 | |
f95bc830 |
117 | static void free_saved_state(LttvTraceState *tcs); |
118 | |
308711e5 |
119 | static void lttv_state_free_process_table(GHashTable *processes); |
ba576a78 |
120 | |
dc877563 |
121 | |
308711e5 |
122 | void lttv_state_save(LttvTraceState *self, LttvAttribute *container) |
123 | { |
124 | LTTV_TRACE_STATE_GET_CLASS(self)->state_save(self, container); |
125 | } |
126 | |
127 | |
128 | void lttv_state_restore(LttvTraceState *self, LttvAttribute *container) |
129 | { |
130 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
131 | } |
132 | |
133 | |
2d262115 |
134 | void lttv_state_state_saved_free(LttvTraceState *self, |
308711e5 |
135 | LttvAttribute *container) |
136 | { |
f95bc830 |
137 | LTTV_TRACE_STATE_GET_CLASS(self)->state_saved_free(self, container); |
308711e5 |
138 | } |
139 | |
140 | |
2a2fa4f0 |
141 | guint process_hash(gconstpointer key) |
142 | { |
7893f726 |
143 | guint pid = ((const LttvProcessState *)key)->pid; |
144 | return (pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ; |
2a2fa4f0 |
145 | } |
146 | |
147 | |
1d1df11d |
148 | /* If the hash table hash function is well distributed, |
149 | * the process_equal should compare different pid */ |
2a2fa4f0 |
150 | gboolean process_equal(gconstpointer a, gconstpointer b) |
151 | { |
00e74b69 |
152 | const LttvProcessState *process_a, *process_b; |
1d1df11d |
153 | gboolean ret = TRUE; |
154 | |
00e74b69 |
155 | process_a = (const LttvProcessState *)a; |
156 | process_b = (const LttvProcessState *)b; |
1d1df11d |
157 | |
158 | if(likely(process_a->pid != process_b->pid)) ret = FALSE; |
159 | else if(likely(process_a->pid == 0 && |
348c6ba8 |
160 | process_a->cpu != process_b->cpu)) ret = FALSE; |
2a2fa4f0 |
161 | |
1d1df11d |
162 | return ret; |
2a2fa4f0 |
163 | } |
164 | |
165 | |
308711e5 |
166 | static void |
167 | restore_init_state(LttvTraceState *self) |
168 | { |
348c6ba8 |
169 | guint i, nb_cpus; |
308711e5 |
170 | |
171 | LttvTracefileState *tfcs; |
172 | |
348c6ba8 |
173 | /* Free the process tables */ |
308711e5 |
174 | if(self->processes != NULL) lttv_state_free_process_table(self->processes); |
2a2fa4f0 |
175 | self->processes = g_hash_table_new(process_hash, process_equal); |
308711e5 |
176 | self->nb_event = 0; |
177 | |
348c6ba8 |
178 | /* Seek time to beginning */ |
9ba3aaaf |
179 | // Mathieu : fix : don't seek traceset here : causes inconsistency in seek |
180 | // closest. It's the tracecontext job to seek the trace to the beginning |
181 | // anyway : the init state might be used at the middle of the trace as well... |
182 | //g_tree_destroy(self->parent.ts_context->pqueue); |
183 | //self->parent.ts_context->pqueue = g_tree_new(compare_tracefile); |
348c6ba8 |
184 | |
9ba3aaaf |
185 | |
186 | //lttv_process_trace_seek_time(&self->parent, ltt_time_zero); |
348c6ba8 |
187 | |
188 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
189 | |
190 | /* Put the per cpu running_process to beginning state : process 0. */ |
191 | for(i=0; i< nb_cpus; i++) { |
192 | self->running_process[i] = lttv_state_create_process(self, NULL, i, 0, |
193 | <t_time_zero); |
194 | self->running_process[i]->state->s = LTTV_STATE_RUN; |
195 | self->running_process[i]->cpu = i; |
196 | } |
197 | |
198 | #if 0 |
eed2ef37 |
199 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
200 | |
dbb7bb09 |
201 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
202 | tfcs = |
cb03932a |
203 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
204 | LttvTracefileContext*, i)); |
d3e01c7a |
205 | ltt_trace_time_span_get(self->parent.t, &tfcs->parent.timestamp, NULL); |
eed2ef37 |
206 | // tfcs->saved_position = 0; |
2a2fa4f0 |
207 | tfcs->process = lttv_state_create_process(tfcs, NULL,0); |
208 | tfcs->process->state->s = LTTV_STATE_RUN; |
209 | tfcs->process->last_cpu = tfcs->cpu_name; |
2c82c4dc |
210 | tfcs->process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfcs)->tf); |
308711e5 |
211 | } |
348c6ba8 |
212 | #endif //0 |
308711e5 |
213 | } |
214 | |
348c6ba8 |
215 | //static LttTime time_zero = {0,0}; |
308711e5 |
216 | |
dc877563 |
217 | static void |
218 | init(LttvTracesetState *self, LttvTraceset *ts) |
219 | { |
dbb7bb09 |
220 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
221 | |
ffd54a90 |
222 | LttvTraceContext *tc; |
dc877563 |
223 | |
ffd54a90 |
224 | LttvTraceState *tcs; |
225 | |
ffd54a90 |
226 | LttvTracefileState *tfcs; |
3d27549e |
227 | |
dbb7bb09 |
228 | LttvAttributeValue v; |
229 | |
b445142a |
230 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
231 | init((LttvTracesetContext *)self, ts); |
dc877563 |
232 | |
233 | nb_trace = lttv_traceset_number(ts); |
234 | for(i = 0 ; i < nb_trace ; i++) { |
b445142a |
235 | tc = self->parent.traces[i]; |
021eeb41 |
236 | tcs = LTTV_TRACE_STATE(tc); |
eed2ef37 |
237 | tcs->save_interval = LTTV_STATE_SAVE_INTERVAL; |
f95bc830 |
238 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
239 | LTTV_UINT, &v); |
240 | (*v.v_uint)++; |
dbb7bb09 |
241 | |
f95bc830 |
242 | if(*(v.v_uint) == 1) { |
243 | create_name_tables(tcs); |
244 | create_max_time(tcs); |
245 | } |
246 | get_name_tables(tcs); |
247 | get_max_time(tcs); |
dc877563 |
248 | |
eed2ef37 |
249 | nb_tracefile = tc->tracefiles->len; |
348c6ba8 |
250 | #if 0 |
dc877563 |
251 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
252 | tfcs = |
cb03932a |
253 | LTTV_TRACEFILE_STATE(g_array_index(tc->tracefiles, |
254 | LttvTracefileContext*, j)); |
348c6ba8 |
255 | tfcs->tracefile_name = ltt_tracefile_name(tfcs->parent.tf); |
dc877563 |
256 | } |
348c6ba8 |
257 | #endif //0 |
308711e5 |
258 | tcs->processes = NULL; |
348c6ba8 |
259 | tcs->running_process = g_new(LttvProcessState*, |
260 | ltt_trace_get_num_cpu(tc->t)); |
308711e5 |
261 | restore_init_state(tcs); |
dc877563 |
262 | } |
263 | } |
264 | |
265 | |
266 | static void |
267 | fini(LttvTracesetState *self) |
268 | { |
00e74b69 |
269 | guint i, nb_trace; |
dc877563 |
270 | |
ffd54a90 |
271 | LttvTraceState *tcs; |
dc877563 |
272 | |
ffd54a90 |
273 | LttvTracefileState *tfcs; |
dc877563 |
274 | |
f95bc830 |
275 | LttvAttributeValue v; |
276 | |
ffd54a90 |
277 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
dc877563 |
278 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
279 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
f95bc830 |
280 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
281 | LTTV_UINT, &v); |
00e74b69 |
282 | |
283 | g_assert(*(v.v_uint) != 0); |
f95bc830 |
284 | (*v.v_uint)--; |
285 | |
f95bc830 |
286 | if(*(v.v_uint) == 0) { |
287 | free_name_tables(tcs); |
288 | free_max_time(tcs); |
289 | free_saved_state(tcs); |
290 | } |
348c6ba8 |
291 | g_free(tcs->running_process); |
292 | tcs->running_process = NULL; |
308711e5 |
293 | lttv_state_free_process_table(tcs->processes); |
294 | tcs->processes = NULL; |
dc877563 |
295 | } |
b445142a |
296 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
297 | fini((LttvTracesetContext *)self); |
dc877563 |
298 | } |
299 | |
300 | |
c432246e |
301 | static LttvTracesetContext * |
dc877563 |
302 | new_traceset_context(LttvTracesetContext *self) |
303 | { |
ffd54a90 |
304 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
dc877563 |
305 | } |
306 | |
307 | |
c432246e |
308 | static LttvTraceContext * |
dc877563 |
309 | new_trace_context(LttvTracesetContext *self) |
310 | { |
ffd54a90 |
311 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
dc877563 |
312 | } |
313 | |
314 | |
c432246e |
315 | static LttvTracefileContext * |
dc877563 |
316 | new_tracefile_context(LttvTracesetContext *self) |
317 | { |
ffd54a90 |
318 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
319 | } |
320 | |
321 | |
dbb7bb09 |
322 | /* Write the process state of the trace */ |
323 | |
324 | static void write_process_state(gpointer key, gpointer value, |
325 | gpointer user_data) |
326 | { |
327 | LttvProcessState *process; |
328 | |
329 | LttvExecutionState *es; |
330 | |
331 | FILE *fp = (FILE *)user_data; |
332 | |
333 | guint i; |
334 | |
335 | process = (LttvProcessState *)value; |
336 | fprintf(fp, |
348c6ba8 |
337 | " <PROCESS CORE=%p PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%u\">\n", |
f95bc830 |
338 | process, process->pid, process->ppid, process->creation_time.tv_sec, |
dbb7bb09 |
339 | process->creation_time.tv_nsec, g_quark_to_string(process->name), |
348c6ba8 |
340 | process->cpu); |
dbb7bb09 |
341 | |
342 | for(i = 0 ; i < process->execution_stack->len; i++) { |
343 | es = &g_array_index(process->execution_stack, LttvExecutionState, i); |
344 | fprintf(fp, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu", |
345 | g_quark_to_string(es->t), g_quark_to_string(es->n), |
346 | es->entry.tv_sec, es->entry.tv_nsec); |
347 | fprintf(fp, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n", |
348 | es->change.tv_sec, es->change.tv_nsec, g_quark_to_string(es->s)); |
349 | } |
350 | fprintf(fp, " </PROCESS>\n"); |
351 | } |
352 | |
353 | |
354 | void lttv_state_write(LttvTraceState *self, LttTime t, FILE *fp) |
355 | { |
eed2ef37 |
356 | guint i, nb_tracefile, nb_block, offset; |
357 | guint64 tsc; |
dbb7bb09 |
358 | |
359 | LttvTracefileState *tfcs; |
360 | |
361 | LttTracefile *tf; |
362 | |
363 | LttEventPosition *ep; |
364 | |
348c6ba8 |
365 | guint nb_cpus; |
366 | |
dbb7bb09 |
367 | ep = ltt_event_position_new(); |
368 | |
369 | fprintf(fp,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t.tv_sec, t.tv_nsec); |
370 | |
371 | g_hash_table_foreach(self->processes, write_process_state, fp); |
348c6ba8 |
372 | |
373 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
374 | for(i=0;i<nb_cpus;i++) { |
375 | fprintf(fp,"<CPU NUM=%u RUNNING_PROCESS=%u>\n", |
376 | i, self->running_process[i]->pid); |
377 | } |
dbb7bb09 |
378 | |
eed2ef37 |
379 | nb_tracefile = self->parent.tracefiles->len; |
dbb7bb09 |
380 | |
381 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
382 | tfcs = |
cb03932a |
383 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
384 | LttvTracefileContext*, i)); |
348c6ba8 |
385 | fprintf(fp, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu", |
386 | tfcs->parent.timestamp.tv_sec, |
08b1c66e |
387 | tfcs->parent.timestamp.tv_nsec); |
eed2ef37 |
388 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
389 | if(e == NULL) fprintf(fp,"/>\n"); |
dbb7bb09 |
390 | else { |
eed2ef37 |
391 | ltt_event_position(e, ep); |
392 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
27304273 |
393 | fprintf(fp, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block, offset, |
eed2ef37 |
394 | tsc); |
dbb7bb09 |
395 | } |
396 | } |
397 | g_free(ep); |
398 | fprintf(fp,"</PROCESS_STATE>"); |
399 | } |
400 | |
401 | |
402 | /* Copy each process from an existing hash table to a new one */ |
403 | |
308711e5 |
404 | static void copy_process_state(gpointer key, gpointer value,gpointer user_data) |
ffd54a90 |
405 | { |
308711e5 |
406 | LttvProcessState *process, *new_process; |
ffd54a90 |
407 | |
308711e5 |
408 | GHashTable *new_processes = (GHashTable *)user_data; |
ffd54a90 |
409 | |
308711e5 |
410 | guint i; |
411 | |
412 | process = (LttvProcessState *)value; |
413 | new_process = g_new(LttvProcessState, 1); |
414 | *new_process = *process; |
e8f2280c |
415 | new_process->execution_stack = g_array_sized_new(FALSE, FALSE, |
416 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
e05fc742 |
417 | new_process->execution_stack = |
418 | g_array_set_size(new_process->execution_stack, |
419 | process->execution_stack->len); |
308711e5 |
420 | for(i = 0 ; i < process->execution_stack->len; i++) { |
421 | g_array_index(new_process->execution_stack, LttvExecutionState, i) = |
422 | g_array_index(process->execution_stack, LttvExecutionState, i); |
423 | } |
424 | new_process->state = &g_array_index(new_process->execution_stack, |
425 | LttvExecutionState, new_process->execution_stack->len - 1); |
2a2fa4f0 |
426 | g_hash_table_insert(new_processes, new_process, new_process); |
ffd54a90 |
427 | } |
428 | |
429 | |
308711e5 |
430 | static GHashTable *lttv_state_copy_process_table(GHashTable *processes) |
ffd54a90 |
431 | { |
2a2fa4f0 |
432 | GHashTable *new_processes = g_hash_table_new(process_hash, process_equal); |
ffd54a90 |
433 | |
308711e5 |
434 | g_hash_table_foreach(processes, copy_process_state, new_processes); |
435 | return new_processes; |
dc877563 |
436 | } |
437 | |
438 | |
308711e5 |
439 | /* The saved state for each trace contains a member "processes", which |
440 | stores a copy of the process table, and a member "tracefiles" with |
441 | one entry per tracefile. Each tracefile has a "process" member pointing |
442 | to the current process and a "position" member storing the tracefile |
443 | position (needed to seek to the current "next" event. */ |
444 | |
445 | static void state_save(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
446 | { |
348c6ba8 |
447 | guint i, nb_tracefile, nb_cpus; |
dc877563 |
448 | |
308711e5 |
449 | LttvTracefileState *tfcs; |
450 | |
451 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
348c6ba8 |
452 | |
453 | guint *running_process; |
308711e5 |
454 | |
455 | LttvAttributeType type; |
456 | |
457 | LttvAttributeValue value; |
458 | |
459 | LttvAttributeName name; |
460 | |
461 | LttEventPosition *ep; |
462 | |
463 | tracefiles_tree = lttv_attribute_find_subdir(container, |
464 | LTTV_STATE_TRACEFILES); |
465 | |
466 | value = lttv_attribute_add(container, LTTV_STATE_PROCESSES, |
467 | LTTV_POINTER); |
468 | *(value.v_pointer) = lttv_state_copy_process_table(self->processes); |
469 | |
348c6ba8 |
470 | /* Add the currently running processes array */ |
471 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
472 | running_process = g_new(guint, nb_cpus); |
473 | for(i=0;i<nb_cpus;i++) { |
474 | running_process[i] = self->running_process[i]->pid; |
475 | } |
476 | value = lttv_attribute_add(container, LTTV_STATE_RUNNING_PROCESS, |
477 | LTTV_POINTER); |
478 | *(value.v_pointer) = running_process; |
728d0c3e |
479 | |
480 | g_info("State save"); |
348c6ba8 |
481 | |
eed2ef37 |
482 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
483 | |
484 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
485 | tfcs = |
cb03932a |
486 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
487 | LttvTracefileContext*, i)); |
308711e5 |
488 | tracefile_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
489 | value = lttv_attribute_add(tracefiles_tree, i, |
490 | LTTV_GOBJECT); |
491 | *(value.v_gobject) = (GObject *)tracefile_tree; |
348c6ba8 |
492 | #if 0 |
308711e5 |
493 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_PROCESS, |
494 | LTTV_UINT); |
495 | *(value.v_uint) = tfcs->process->pid; |
348c6ba8 |
496 | #endif //0 |
308711e5 |
497 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_EVENT, |
498 | LTTV_POINTER); |
3054461a |
499 | /* Only save the position if the tfs has not infinite time. */ |
500 | //if(!g_tree_lookup(self->parent.ts_context->pqueue, &tfcs->parent) |
501 | // && current_tfcs != tfcs) { |
502 | if(ltt_time_compare(tfcs->parent.timestamp, ltt_time_infinite) == 0) { |
1986f254 |
503 | *(value.v_pointer) = NULL; |
504 | } else { |
505 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
a5dcde2f |
506 | ep = ltt_event_position_new(); |
eed2ef37 |
507 | ltt_event_position(e, ep); |
308711e5 |
508 | *(value.v_pointer) = ep; |
08b1c66e |
509 | |
eed2ef37 |
510 | guint nb_block, offset; |
511 | guint64 tsc; |
08b1c66e |
512 | LttTracefile *tf; |
eed2ef37 |
513 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
728d0c3e |
514 | g_info("Block %u offset %u tsc %llu time %lu.%lu", nb_block, offset, |
eed2ef37 |
515 | tsc, |
08b1c66e |
516 | tfcs->parent.timestamp.tv_sec, tfcs->parent.timestamp.tv_nsec); |
308711e5 |
517 | } |
dc877563 |
518 | } |
dc877563 |
519 | } |
520 | |
521 | |
308711e5 |
522 | static void state_restore(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
523 | { |
348c6ba8 |
524 | guint i, nb_tracefile, pid, nb_cpus; |
dc877563 |
525 | |
308711e5 |
526 | LttvTracefileState *tfcs; |
dc877563 |
527 | |
308711e5 |
528 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
529 | |
348c6ba8 |
530 | guint *running_process; |
531 | |
308711e5 |
532 | LttvAttributeType type; |
dc877563 |
533 | |
308711e5 |
534 | LttvAttributeValue value; |
dc877563 |
535 | |
308711e5 |
536 | LttvAttributeName name; |
dc877563 |
537 | |
308711e5 |
538 | LttEventPosition *ep; |
dc877563 |
539 | |
27304273 |
540 | LttvTracesetContext *tsc = self->parent.ts_context; |
541 | |
308711e5 |
542 | tracefiles_tree = lttv_attribute_find_subdir(container, |
543 | LTTV_STATE_TRACEFILES); |
dc877563 |
544 | |
308711e5 |
545 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
546 | &value); |
547 | g_assert(type == LTTV_POINTER); |
548 | lttv_state_free_process_table(self->processes); |
549 | self->processes = lttv_state_copy_process_table(*(value.v_pointer)); |
550 | |
348c6ba8 |
551 | /* Add the currently running processes array */ |
552 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
553 | type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS, |
554 | &value); |
555 | g_assert(type == LTTV_POINTER); |
556 | running_process = *(value.v_pointer); |
557 | for(i=0;i<nb_cpus;i++) { |
558 | pid = running_process[i]; |
559 | self->running_process[i] = lttv_state_find_process(self, i, pid); |
560 | g_assert(self->running_process[i] != NULL); |
561 | } |
562 | |
563 | |
eed2ef37 |
564 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
565 | |
d448fce2 |
566 | //g_tree_destroy(tsc->pqueue); |
567 | //tsc->pqueue = g_tree_new(compare_tracefile); |
e7f5e89d |
568 | |
308711e5 |
569 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
570 | tfcs = |
cb03932a |
571 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
572 | LttvTracefileContext*, i)); |
308711e5 |
573 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
574 | g_assert(type == LTTV_GOBJECT); |
575 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
348c6ba8 |
576 | #if 0 |
308711e5 |
577 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_PROCESS, |
578 | &value); |
579 | g_assert(type == LTTV_UINT); |
2a2fa4f0 |
580 | pid = *(value.v_uint); |
581 | tfcs->process = lttv_state_find_process_or_create(tfcs, pid); |
348c6ba8 |
582 | #endif //0 |
308711e5 |
583 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
584 | &value); |
585 | g_assert(type == LTTV_POINTER); |
e7f5e89d |
586 | //g_assert(*(value.v_pointer) != NULL); |
eed2ef37 |
587 | ep = *(value.v_pointer); |
588 | g_assert(tfcs->parent.t_context != NULL); |
27304273 |
589 | |
27304273 |
590 | LttvTracefileContext *tfc = LTTV_TRACEFILE_CONTEXT(tfcs); |
d448fce2 |
591 | g_tree_remove(tsc->pqueue, tfc); |
27304273 |
592 | |
1986f254 |
593 | if(ep != NULL) { |
594 | g_assert(ltt_tracefile_seek_position(tfc->tf, ep) == 0); |
595 | tfc->timestamp = ltt_event_time(ltt_tracefile_get_event(tfc->tf)); |
e7f5e89d |
596 | g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0); |
1986f254 |
597 | g_tree_insert(tsc->pqueue, tfc, tfc); |
728d0c3e |
598 | g_info("Restoring state for a tf at time %lu.%lu", tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec); |
1986f254 |
599 | } else { |
600 | tfc->timestamp = ltt_time_infinite; |
601 | } |
dc877563 |
602 | } |
dc877563 |
603 | } |
604 | |
605 | |
308711e5 |
606 | static void state_saved_free(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
607 | { |
348c6ba8 |
608 | guint i, nb_tracefile, nb_cpus; |
dc877563 |
609 | |
308711e5 |
610 | LttvTracefileState *tfcs; |
dc877563 |
611 | |
308711e5 |
612 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
613 | |
348c6ba8 |
614 | guint *running_process; |
615 | |
308711e5 |
616 | LttvAttributeType type; |
dc877563 |
617 | |
308711e5 |
618 | LttvAttributeValue value; |
dc877563 |
619 | |
308711e5 |
620 | LttvAttributeName name; |
dc877563 |
621 | |
308711e5 |
622 | LttEventPosition *ep; |
dc877563 |
623 | |
308711e5 |
624 | tracefiles_tree = lttv_attribute_find_subdir(container, |
625 | LTTV_STATE_TRACEFILES); |
c47a6dc6 |
626 | g_object_ref(G_OBJECT(tracefiles_tree)); |
308711e5 |
627 | lttv_attribute_remove_by_name(container, LTTV_STATE_TRACEFILES); |
dc877563 |
628 | |
308711e5 |
629 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
630 | &value); |
631 | g_assert(type == LTTV_POINTER); |
632 | lttv_state_free_process_table(*(value.v_pointer)); |
633 | *(value.v_pointer) = NULL; |
634 | lttv_attribute_remove_by_name(container, LTTV_STATE_PROCESSES); |
635 | |
348c6ba8 |
636 | /* Free running processes array */ |
637 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
728d0c3e |
638 | type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS, |
348c6ba8 |
639 | &value); |
640 | g_assert(type == LTTV_POINTER); |
641 | running_process = *(value.v_pointer); |
642 | g_free(running_process); |
643 | |
eed2ef37 |
644 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
645 | |
646 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
647 | tfcs = |
cb03932a |
648 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
649 | LttvTracefileContext*, i)); |
308711e5 |
650 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
651 | g_assert(type == LTTV_GOBJECT); |
652 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
653 | |
654 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
655 | &value); |
656 | g_assert(type == LTTV_POINTER); |
657 | if(*(value.v_pointer) != NULL) g_free(*(value.v_pointer)); |
dc877563 |
658 | } |
c47a6dc6 |
659 | g_object_unref(G_OBJECT(tracefiles_tree)); |
dc877563 |
660 | } |
661 | |
662 | |
f95bc830 |
663 | static void free_saved_state(LttvTraceState *self) |
664 | { |
665 | guint i, nb; |
666 | |
667 | LttvAttributeType type; |
668 | |
669 | LttvAttributeValue value; |
670 | |
671 | LttvAttributeName name; |
672 | |
673 | LttvAttribute *saved_states; |
674 | |
675 | saved_states = lttv_attribute_find_subdir(self->parent.t_a, |
676 | LTTV_STATE_SAVED_STATES); |
677 | |
678 | nb = lttv_attribute_get_number(saved_states); |
679 | for(i = 0 ; i < nb ; i++) { |
680 | type = lttv_attribute_get(saved_states, i, &name, &value); |
681 | g_assert(type == LTTV_GOBJECT); |
682 | state_saved_free(self, *((LttvAttribute **)value.v_gobject)); |
683 | } |
684 | |
685 | lttv_attribute_remove_by_name(self->parent.t_a, LTTV_STATE_SAVED_STATES); |
f95bc830 |
686 | } |
687 | |
688 | |
689 | static void |
690 | create_max_time(LttvTraceState *tcs) |
691 | { |
692 | LttvAttributeValue v; |
693 | |
694 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
695 | LTTV_POINTER, &v); |
696 | g_assert(*(v.v_pointer) == NULL); |
697 | *(v.v_pointer) = g_new(LttTime,1); |
348c6ba8 |
698 | *((LttTime *)*(v.v_pointer)) = ltt_time_zero; |
f95bc830 |
699 | } |
700 | |
701 | |
702 | static void |
703 | get_max_time(LttvTraceState *tcs) |
704 | { |
705 | LttvAttributeValue v; |
706 | |
707 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
708 | LTTV_POINTER, &v); |
709 | g_assert(*(v.v_pointer) != NULL); |
710 | tcs->max_time_state_recomputed_in_seek = (LttTime *)*(v.v_pointer); |
711 | } |
712 | |
713 | |
714 | static void |
715 | free_max_time(LttvTraceState *tcs) |
716 | { |
717 | LttvAttributeValue v; |
718 | |
719 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
720 | LTTV_POINTER, &v); |
721 | g_free(*(v.v_pointer)); |
722 | *(v.v_pointer) = NULL; |
723 | } |
724 | |
725 | |
726 | typedef struct _LttvNameTables { |
eed2ef37 |
727 | // FIXME GQuark *eventtype_names; |
f95bc830 |
728 | GQuark *syscall_names; |
729 | GQuark *trap_names; |
730 | GQuark *irq_names; |
731 | } LttvNameTables; |
732 | |
733 | |
b445142a |
734 | static void |
f95bc830 |
735 | create_name_tables(LttvTraceState *tcs) |
b445142a |
736 | { |
737 | int i, nb; |
dc877563 |
738 | |
eed2ef37 |
739 | GQuark f_name, e_name; |
740 | |
021eeb41 |
741 | LttvTraceHook h; |
dc877563 |
742 | |
eed2ef37 |
743 | LttvTraceHookByFacility *thf; |
b445142a |
744 | |
745 | LttEventType *et; |
746 | |
747 | LttType *t; |
748 | |
749 | GString *fe_name = g_string_new(""); |
750 | |
f95bc830 |
751 | LttvNameTables *name_tables = g_new(LttvNameTables, 1); |
752 | |
753 | LttvAttributeValue v; |
754 | |
755 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
756 | LTTV_POINTER, &v); |
757 | g_assert(*(v.v_pointer) == NULL); |
758 | *(v.v_pointer) = name_tables; |
eed2ef37 |
759 | #if 0 // Use iteration over the facilities_by_name and then list all event |
760 | // types of each facility |
b445142a |
761 | nb = ltt_trace_eventtype_number(tcs->parent.t); |
f95bc830 |
762 | name_tables->eventtype_names = g_new(GQuark, nb); |
b445142a |
763 | for(i = 0 ; i < nb ; i++) { |
764 | et = ltt_trace_eventtype_get(tcs->parent.t, i); |
765 | e_name = ltt_eventtype_name(et); |
766 | f_name = ltt_facility_name(ltt_eventtype_facility(et)); |
767 | g_string_printf(fe_name, "%s.%s", f_name, e_name); |
f95bc830 |
768 | name_tables->eventtype_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
769 | } |
eed2ef37 |
770 | #endif //0 |
771 | if(lttv_trace_find_hook(tcs->parent.t, |
7b143580 |
772 | LTT_FACILITY_ASM_I386_KERNEL, LTT_EVENT_SYSCALL_ENTRY, |
eed2ef37 |
773 | LTT_FIELD_SYSCALL_ID, 0, 0, |
2c82c4dc |
774 | NULL, NULL, &h)) |
eed2ef37 |
775 | return; |
776 | |
021eeb41 |
777 | thf = lttv_trace_hook_get_first(&h); |
eed2ef37 |
778 | |
779 | t = ltt_field_type(thf->f1); |
2312de30 |
780 | //nb = ltt_type_element_number(t); |
eed2ef37 |
781 | |
021eeb41 |
782 | lttv_trace_hook_destroy(&h); |
b445142a |
783 | |
eed2ef37 |
784 | /* CHECK syscalls should be an enum but currently are not! |
f95bc830 |
785 | name_tables->syscall_names = g_new(GQuark, nb); |
b445142a |
786 | |
787 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
788 | name_tables->syscall_names[i] = g_quark_from_string( |
789 | ltt_enum_string_get(t, i)); |
b445142a |
790 | } |
791 | */ |
792 | |
f95bc830 |
793 | name_tables->syscall_names = g_new(GQuark, 256); |
b445142a |
794 | for(i = 0 ; i < 256 ; i++) { |
795 | g_string_printf(fe_name, "syscall %d", i); |
f95bc830 |
796 | name_tables->syscall_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
797 | } |
798 | |
eed2ef37 |
799 | if(lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL, |
800 | LTT_EVENT_TRAP_ENTRY, |
801 | LTT_FIELD_TRAP_ID, 0, 0, |
2c82c4dc |
802 | NULL, NULL, &h)) |
eed2ef37 |
803 | return; |
804 | |
021eeb41 |
805 | thf = lttv_trace_hook_get_first(&h); |
eed2ef37 |
806 | |
807 | t = ltt_field_type(thf->f1); |
2312de30 |
808 | //nb = ltt_type_element_number(t); |
b445142a |
809 | |
021eeb41 |
810 | lttv_trace_hook_destroy(&h); |
eed2ef37 |
811 | |
b445142a |
812 | /* |
f95bc830 |
813 | name_tables->trap_names = g_new(GQuark, nb); |
b445142a |
814 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
815 | name_tables->trap_names[i] = g_quark_from_string( |
816 | ltt_enum_string_get(t, i)); |
b445142a |
817 | } |
818 | */ |
819 | |
f95bc830 |
820 | name_tables->trap_names = g_new(GQuark, 256); |
b445142a |
821 | for(i = 0 ; i < 256 ; i++) { |
822 | g_string_printf(fe_name, "trap %d", i); |
f95bc830 |
823 | name_tables->trap_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
824 | } |
825 | |
eed2ef37 |
826 | if(lttv_trace_find_hook(tcs->parent.t, |
827 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
828 | LTT_FIELD_IRQ_ID, 0, 0, |
2c82c4dc |
829 | NULL, NULL, &h)) |
eed2ef37 |
830 | return; |
831 | |
021eeb41 |
832 | thf = lttv_trace_hook_get_first(&h); |
eed2ef37 |
833 | |
834 | t = ltt_field_type(thf->f1); |
2312de30 |
835 | //nb = ltt_type_element_number(t); |
b445142a |
836 | |
021eeb41 |
837 | lttv_trace_hook_destroy(&h); |
eed2ef37 |
838 | |
b445142a |
839 | /* |
f95bc830 |
840 | name_tables->irq_names = g_new(GQuark, nb); |
b445142a |
841 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
842 | name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
b445142a |
843 | } |
844 | */ |
845 | |
f95bc830 |
846 | name_tables->irq_names = g_new(GQuark, 256); |
b445142a |
847 | for(i = 0 ; i < 256 ; i++) { |
848 | g_string_printf(fe_name, "irq %d", i); |
f95bc830 |
849 | name_tables->irq_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
850 | } |
851 | |
852 | g_string_free(fe_name, TRUE); |
853 | } |
854 | |
855 | |
f95bc830 |
856 | static void |
857 | get_name_tables(LttvTraceState *tcs) |
858 | { |
859 | LttvNameTables *name_tables; |
860 | |
861 | LttvAttributeValue v; |
862 | |
863 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
864 | LTTV_POINTER, &v); |
865 | g_assert(*(v.v_pointer) != NULL); |
866 | name_tables = (LttvNameTables *)*(v.v_pointer); |
eed2ef37 |
867 | //tcs->eventtype_names = name_tables->eventtype_names; |
f95bc830 |
868 | tcs->syscall_names = name_tables->syscall_names; |
869 | tcs->trap_names = name_tables->trap_names; |
870 | tcs->irq_names = name_tables->irq_names; |
871 | } |
872 | |
873 | |
b445142a |
874 | static void |
875 | free_name_tables(LttvTraceState *tcs) |
876 | { |
f95bc830 |
877 | LttvNameTables *name_tables; |
878 | |
879 | LttvAttributeValue v; |
880 | |
881 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
882 | LTTV_POINTER, &v); |
883 | name_tables = (LttvNameTables *)*(v.v_pointer); |
884 | *(v.v_pointer) = NULL; |
885 | |
eed2ef37 |
886 | // g_free(name_tables->eventtype_names); |
f95bc830 |
887 | g_free(name_tables->syscall_names); |
888 | g_free(name_tables->trap_names); |
889 | g_free(name_tables->irq_names); |
890 | g_free(name_tables); |
b445142a |
891 | } |
dc877563 |
892 | |
15b3d537 |
893 | #ifdef HASH_TABLE_DEBUG |
894 | |
895 | static void test_process(gpointer key, gpointer value, gpointer user_data) |
896 | { |
897 | LttvProcessState *process = (LttvProcessState *)value; |
898 | |
899 | /* Test for process corruption */ |
900 | guint stack_len = process->execution_stack->len; |
901 | } |
902 | |
903 | static void hash_table_check(GHashTable *table) |
904 | { |
905 | g_hash_table_foreach(table, test_process, NULL); |
906 | } |
907 | |
908 | |
909 | #endif |
910 | |
911 | |
b445142a |
912 | static void push_state(LttvTracefileState *tfs, LttvExecutionMode t, |
ffd54a90 |
913 | guint state_id) |
dc877563 |
914 | { |
b445142a |
915 | LttvExecutionState *es; |
348c6ba8 |
916 | |
917 | guint cpu = ltt_tracefile_num(tfs->parent.tf); |
918 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
15b3d537 |
919 | |
920 | #ifdef HASH_TABLE_DEBUG |
921 | hash_table_check(ts->processes); |
922 | #endif |
348c6ba8 |
923 | LttvProcessState *process = ts->running_process[cpu]; |
dc877563 |
924 | |
b445142a |
925 | guint depth = process->execution_stack->len; |
dc877563 |
926 | |
e05fc742 |
927 | process->execution_stack = |
928 | g_array_set_size(process->execution_stack, depth + 1); |
929 | /* Keep in sync */ |
930 | process->state = |
931 | &g_array_index(process->execution_stack, LttvExecutionState, depth - 1); |
932 | |
b445142a |
933 | es = &g_array_index(process->execution_stack, LttvExecutionState, depth); |
934 | es->t = t; |
935 | es->n = state_id; |
936 | es->entry = es->change = tfs->parent.timestamp; |
937 | es->s = process->state->s; |
938 | process->state = es; |
dc877563 |
939 | } |
940 | |
941 | |
b445142a |
942 | static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t) |
dc877563 |
943 | { |
348c6ba8 |
944 | guint cpu = ltt_tracefile_num(tfs->parent.tf); |
945 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
946 | LttvProcessState *process = ts->running_process[cpu]; |
dc877563 |
947 | |
f95bc830 |
948 | guint depth = process->execution_stack->len; |
dc877563 |
949 | |
3d27549e |
950 | if(process->state->t != t){ |
00e74b69 |
951 | g_info("Different execution mode type (%lu.%09lu): ignore it\n", |
b445142a |
952 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
08b1c66e |
953 | g_info("process state has %s when pop_int is %s\n", |
8e8e6b64 |
954 | g_quark_to_string(process->state->t), |
955 | g_quark_to_string(t)); |
08b1c66e |
956 | g_info("{ %u, %u, %s, %s }\n", |
8e8e6b64 |
957 | process->pid, |
958 | process->ppid, |
959 | g_quark_to_string(process->name), |
960 | g_quark_to_string(process->state->s)); |
3d27549e |
961 | return; |
962 | } |
b445142a |
963 | |
f95bc830 |
964 | if(depth == 1){ |
00e74b69 |
965 | g_info("Trying to pop last state on stack (%lu.%09lu): ignore it\n", |
b445142a |
966 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
967 | return; |
968 | } |
969 | |
e05fc742 |
970 | process->execution_stack = |
971 | g_array_set_size(process->execution_stack, depth - 1); |
b445142a |
972 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
f95bc830 |
973 | depth - 2); |
b445142a |
974 | process->state->change = tfs->parent.timestamp; |
dc877563 |
975 | } |
976 | |
977 | |
2a2fa4f0 |
978 | LttvProcessState * |
348c6ba8 |
979 | lttv_state_create_process(LttvTraceState *tcs, LttvProcessState *parent, |
980 | guint cpu, guint pid, const LttTime *timestamp) |
dc877563 |
981 | { |
982 | LttvProcessState *process = g_new(LttvProcessState, 1); |
983 | |
b445142a |
984 | LttvExecutionState *es; |
dc877563 |
985 | |
348c6ba8 |
986 | LttvTraceContext *tc = (LttvTraceContext*)tcs; |
ba576a78 |
987 | |
b445142a |
988 | char buffer[128]; |
ffd54a90 |
989 | |
dc877563 |
990 | process->pid = pid; |
348c6ba8 |
991 | process->cpu = cpu; |
992 | //process->last_cpu = tfs->cpu_name; |
993 | //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf); |
cb03932a |
994 | g_info("Process %u, core %p", process->pid, process); |
2a2fa4f0 |
995 | g_hash_table_insert(tcs->processes, process, process); |
b445142a |
996 | |
997 | if(parent) { |
998 | process->ppid = parent->pid; |
999 | process->name = parent->name; |
348c6ba8 |
1000 | process->creation_time = *timestamp; |
b445142a |
1001 | } |
2a2fa4f0 |
1002 | |
1003 | /* No parent. This process exists but we are missing all information about |
1004 | its creation. The birth time is set to zero but we remember the time of |
1005 | insertion */ |
1006 | |
b445142a |
1007 | else { |
1008 | process->ppid = 0; |
1009 | process->name = LTTV_STATE_UNNAMED; |
2a2fa4f0 |
1010 | process->creation_time = ltt_time_zero; |
b445142a |
1011 | } |
1012 | |
348c6ba8 |
1013 | process->insertion_time = *timestamp; |
b445142a |
1014 | sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec, |
1015 | process->creation_time.tv_nsec); |
1016 | process->pid_time = g_quark_from_string(buffer); |
348c6ba8 |
1017 | process->cpu = cpu; |
1018 | //process->last_cpu = tfs->cpu_name; |
1019 | //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf); |
e8f2280c |
1020 | process->execution_stack = g_array_sized_new(FALSE, FALSE, |
1021 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
c607371b |
1022 | process->execution_stack = g_array_set_size(process->execution_stack, 2); |
b445142a |
1023 | es = process->state = &g_array_index(process->execution_stack, |
1024 | LttvExecutionState, 0); |
1025 | es->t = LTTV_STATE_USER_MODE; |
1026 | es->n = LTTV_STATE_SUBMODE_NONE; |
348c6ba8 |
1027 | es->entry = *timestamp; |
1028 | //g_assert(timestamp->tv_sec != 0); |
1029 | es->change = *timestamp; |
c607371b |
1030 | es->s = LTTV_STATE_RUN; |
1031 | |
1032 | es = process->state = &g_array_index(process->execution_stack, |
1033 | LttvExecutionState, 1); |
1034 | es->t = LTTV_STATE_SYSCALL; |
1035 | es->n = LTTV_STATE_SUBMODE_NONE; |
1036 | es->entry = *timestamp; |
1037 | //g_assert(timestamp->tv_sec != 0); |
1038 | es->change = *timestamp; |
b445142a |
1039 | es->s = LTTV_STATE_WAIT_FORK; |
cbe7c836 |
1040 | |
1041 | return process; |
dc877563 |
1042 | } |
1043 | |
348c6ba8 |
1044 | LttvProcessState *lttv_state_find_process(LttvTraceState *ts, guint cpu, |
41c7f803 |
1045 | guint pid) |
dc877563 |
1046 | { |
2a2fa4f0 |
1047 | LttvProcessState key; |
1048 | LttvProcessState *process; |
1049 | |
1050 | key.pid = pid; |
348c6ba8 |
1051 | key.cpu = cpu; |
2a2fa4f0 |
1052 | process = g_hash_table_lookup(ts->processes, &key); |
dc877563 |
1053 | return process; |
1054 | } |
1055 | |
2a2fa4f0 |
1056 | LttvProcessState * |
348c6ba8 |
1057 | lttv_state_find_process_or_create(LttvTraceState *ts, guint cpu, guint pid, |
1058 | LttTime *timestamp) |
2a2fa4f0 |
1059 | { |
348c6ba8 |
1060 | LttvProcessState *process = lttv_state_find_process(ts, cpu, pid); |
1061 | |
1062 | /* Put ltt_time_zero creation time for unexisting processes */ |
1063 | if(unlikely(process == NULL)) process = lttv_state_create_process(ts, |
1064 | NULL, cpu, pid, timestamp); |
2a2fa4f0 |
1065 | return process; |
1066 | } |
1067 | |
41c7f803 |
1068 | /* FIXME : this function should be called when we receive an event telling that |
1069 | * release_task has been called in the kernel. In happens generally when |
1070 | * the parent waits for its child terminaison, but may also happen in special |
1071 | * cases in the child's exit : when the parent ignores its children SIGCCHLD or |
1072 | * has the flag SA_NOCLDWAIT. It can also happen when the child is part |
1073 | * of a killed thread ground, but isn't the leader. |
41c7f803 |
1074 | */ |
b445142a |
1075 | static void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
dc877563 |
1076 | { |
ba576a78 |
1077 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
2a2fa4f0 |
1078 | LttvProcessState key; |
ba576a78 |
1079 | |
2a2fa4f0 |
1080 | key.pid = process->pid; |
348c6ba8 |
1081 | key.cpu = process->cpu; |
2a2fa4f0 |
1082 | g_hash_table_remove(ts->processes, &key); |
b445142a |
1083 | g_array_free(process->execution_stack, TRUE); |
dc877563 |
1084 | g_free(process); |
1085 | } |
1086 | |
1087 | |
b445142a |
1088 | static void free_process_state(gpointer key, gpointer value,gpointer user_data) |
dc877563 |
1089 | { |
b445142a |
1090 | g_array_free(((LttvProcessState *)value)->execution_stack, TRUE); |
dc877563 |
1091 | g_free(value); |
1092 | } |
1093 | |
1094 | |
308711e5 |
1095 | static void lttv_state_free_process_table(GHashTable *processes) |
dc877563 |
1096 | { |
1097 | g_hash_table_foreach(processes, free_process_state, NULL); |
308711e5 |
1098 | g_hash_table_destroy(processes); |
dc877563 |
1099 | } |
1100 | |
1101 | |
b445142a |
1102 | static gboolean syscall_entry(void *hook_data, void *call_data) |
dc877563 |
1103 | { |
ba576a78 |
1104 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1105 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1106 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1107 | LttField *f = thf->f1; |
dc877563 |
1108 | |
b445142a |
1109 | LttvExecutionSubmode submode; |
1110 | |
1111 | submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[ |
eed2ef37 |
1112 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1113 | push_state(s, LTTV_STATE_SYSCALL, submode); |
dc877563 |
1114 | return FALSE; |
1115 | } |
1116 | |
1117 | |
b445142a |
1118 | static gboolean syscall_exit(void *hook_data, void *call_data) |
dc877563 |
1119 | { |
ba576a78 |
1120 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1121 | |
ffd54a90 |
1122 | pop_state(s, LTTV_STATE_SYSCALL); |
dc877563 |
1123 | return FALSE; |
1124 | } |
1125 | |
1126 | |
b445142a |
1127 | static gboolean trap_entry(void *hook_data, void *call_data) |
dc877563 |
1128 | { |
ba576a78 |
1129 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1130 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1131 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1132 | LttField *f = thf->f1; |
dc877563 |
1133 | |
b445142a |
1134 | LttvExecutionSubmode submode; |
1135 | |
1136 | submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[ |
eed2ef37 |
1137 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1138 | push_state(s, LTTV_STATE_TRAP, submode); |
dc877563 |
1139 | return FALSE; |
1140 | } |
1141 | |
1142 | |
b445142a |
1143 | static gboolean trap_exit(void *hook_data, void *call_data) |
dc877563 |
1144 | { |
ba576a78 |
1145 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1146 | |
ffd54a90 |
1147 | pop_state(s, LTTV_STATE_TRAP); |
dc877563 |
1148 | return FALSE; |
1149 | } |
1150 | |
1151 | |
b445142a |
1152 | static gboolean irq_entry(void *hook_data, void *call_data) |
dc877563 |
1153 | { |
ba576a78 |
1154 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1155 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
9d239bd9 |
1156 | guint8 fac_id = ltt_event_facility_id(e); |
1157 | guint8 ev_id = ltt_event_eventtype_id(e); |
d052ffc3 |
1158 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
9d239bd9 |
1159 | // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL); |
1160 | g_assert(thf->f1 != NULL); |
1161 | // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data)); |
eed2ef37 |
1162 | LttField *f = thf->f1; |
dc877563 |
1163 | |
b445142a |
1164 | LttvExecutionSubmode submode; |
1165 | |
1166 | submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[ |
eed2ef37 |
1167 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1168 | |
dc877563 |
1169 | /* Do something with the info about being in user or system mode when int? */ |
b445142a |
1170 | push_state(s, LTTV_STATE_IRQ, submode); |
dc877563 |
1171 | return FALSE; |
1172 | } |
1173 | |
1174 | |
b445142a |
1175 | static gboolean irq_exit(void *hook_data, void *call_data) |
dc877563 |
1176 | { |
ba576a78 |
1177 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1178 | |
ffd54a90 |
1179 | pop_state(s, LTTV_STATE_IRQ); |
dc877563 |
1180 | return FALSE; |
1181 | } |
1182 | |
1183 | |
b445142a |
1184 | static gboolean schedchange(void *hook_data, void *call_data) |
dc877563 |
1185 | { |
ba576a78 |
1186 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
348c6ba8 |
1187 | guint cpu = ltt_tracefile_num(s->parent.tf); |
1188 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1189 | LttvProcessState *process = ts->running_process[cpu]; |
1190 | |
eed2ef37 |
1191 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1192 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
73394fd3 |
1193 | guint pid_in, pid_out; |
1194 | gint state_out; |
dc877563 |
1195 | |
eed2ef37 |
1196 | pid_out = ltt_event_get_unsigned(e, thf->f1); |
1197 | pid_in = ltt_event_get_unsigned(e, thf->f2); |
73394fd3 |
1198 | state_out = ltt_event_get_int(e, thf->f3); |
348c6ba8 |
1199 | |
1200 | if(likely(process != NULL)) { |
b445142a |
1201 | |
f95bc830 |
1202 | /* We could not know but it was not the idle process executing. |
1203 | This should only happen at the beginning, before the first schedule |
1204 | event, and when the initial information (current process for each CPU) |
1205 | is missing. It is not obvious how we could, after the fact, compensate |
1206 | the wrongly attributed statistics. */ |
1207 | |
240f1fea |
1208 | //This test only makes sense once the state is known and if there is no |
1209 | //missing events. |
348c6ba8 |
1210 | //if(unlikely(process->pid != pid_out)) { |
1211 | // g_assert(process->pid == 0); |
240f1fea |
1212 | //} |
f95bc830 |
1213 | |
348c6ba8 |
1214 | if(unlikely(process->state->s == LTTV_STATE_EXIT)) { |
1215 | process->state->s = LTTV_STATE_ZOMBIE; |
791dffa6 |
1216 | process->state->change = s->parent.timestamp; |
dbd243b1 |
1217 | } else { |
348c6ba8 |
1218 | if(unlikely(state_out == 0)) process->state->s = LTTV_STATE_WAIT_CPU; |
1219 | else process->state->s = LTTV_STATE_WAIT; |
791dffa6 |
1220 | process->state->change = s->parent.timestamp; |
1221 | } |
1222 | |
1223 | if(state_out == 32) |
1224 | exit_process(s, process); /* EXIT_DEAD */ |
1225 | /* see sched.h for states */ |
dc877563 |
1226 | } |
348c6ba8 |
1227 | process = ts->running_process[cpu] = |
1228 | lttv_state_find_process_or_create( |
1229 | (LttvTraceState*)s->parent.t_context, |
1230 | cpu, pid_in, |
1231 | &s->parent.timestamp); |
1232 | process->state->s = LTTV_STATE_RUN; |
1233 | process->cpu = cpu; |
1234 | // process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf); |
1235 | process->state->change = s->parent.timestamp; |
dc877563 |
1236 | return FALSE; |
1237 | } |
1238 | |
eed2ef37 |
1239 | static gboolean process_fork(void *hook_data, void *call_data) |
dc877563 |
1240 | { |
eed2ef37 |
1241 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1242 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1243 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
2cdc690b |
1244 | LttField *f; |
eed2ef37 |
1245 | guint parent_pid; |
2cdc690b |
1246 | guint child_pid; |
4ad73431 |
1247 | LttvProcessState *zombie_process; |
348c6ba8 |
1248 | guint cpu = ltt_tracefile_num(s->parent.tf); |
1249 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1250 | LttvProcessState *process = ts->running_process[cpu]; |
26275aa2 |
1251 | LttvProcessState *child_process; |
2cdc690b |
1252 | |
eed2ef37 |
1253 | /* Parent PID */ |
1254 | f = thf->f1; |
1255 | parent_pid = ltt_event_get_unsigned(e, f); |
1256 | |
2cdc690b |
1257 | /* Child PID */ |
eed2ef37 |
1258 | f = thf->f2; |
1259 | child_pid = ltt_event_get_unsigned(e, f); |
2cdc690b |
1260 | |
15b3d537 |
1261 | /* Mathieu : it seems like the process might have been scheduled in before the |
1262 | * fork, and, in a rare case, might be the current process. This might happen |
d4942a23 |
1263 | * in a SMP case where we don't have enough precision on the clocks. |
1264 | * |
1265 | * Test reenabled after precision fixes on time. (Mathieu) */ |
791dffa6 |
1266 | #if 0 |
348c6ba8 |
1267 | zombie_process = lttv_state_find_process(ts, ANY_CPU, child_pid); |
dc877563 |
1268 | |
1d1df11d |
1269 | if(unlikely(zombie_process != NULL)) { |
4ad73431 |
1270 | /* Reutilisation of PID. Only now we are sure that the old PID |
eed2ef37 |
1271 | * has been released. FIXME : should know when release_task happens instead. |
4ad73431 |
1272 | */ |
15b3d537 |
1273 | guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
1274 | guint i; |
1275 | for(i=0; i< num_cpus; i++) { |
5ac05980 |
1276 | g_assert(zombie_process != ts->running_process[i]); |
15b3d537 |
1277 | } |
1278 | |
4ad73431 |
1279 | exit_process(s, zombie_process); |
1280 | } |
791dffa6 |
1281 | #endif //0 |
348c6ba8 |
1282 | g_assert(process->pid != child_pid); |
eed2ef37 |
1283 | // FIXME : Add this test in the "known state" section |
348c6ba8 |
1284 | // g_assert(process->pid == parent_pid); |
26275aa2 |
1285 | child_process = lttv_state_find_process(ts, ANY_CPU, child_pid); |
1286 | if(child_process == NULL) { |
1287 | lttv_state_create_process(ts, process, cpu, |
1288 | child_pid, &s->parent.timestamp); |
1289 | } else { |
1290 | /* The process has already been created : due to time imprecision between |
791dffa6 |
1291 | * multiple CPUs : it has been scheduled in before creation. Note that we |
1292 | * shouldn't have this kind of imprecision. |
26275aa2 |
1293 | * |
1294 | * Simply put a correct parent. |
1295 | */ |
791dffa6 |
1296 | g_assert(0); /* This is a problematic case : the process has been created |
1297 | before the fork event */ |
26275aa2 |
1298 | child_process->ppid = process->pid; |
1299 | } |
4ad73431 |
1300 | |
dc877563 |
1301 | return FALSE; |
1302 | } |
1303 | |
1304 | |
eed2ef37 |
1305 | static gboolean process_exit(void *hook_data, void *call_data) |
dc877563 |
1306 | { |
eed2ef37 |
1307 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1308 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1309 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1310 | LttField *f; |
1311 | guint pid; |
348c6ba8 |
1312 | guint cpu = ltt_tracefile_num(s->parent.tf); |
1313 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1314 | LttvProcessState *process = ts->running_process[cpu]; |
eed2ef37 |
1315 | |
1316 | pid = ltt_event_get_unsigned(e, thf->f1); |
1317 | |
1318 | // FIXME : Add this test in the "known state" section |
348c6ba8 |
1319 | // g_assert(process->pid == pid); |
eed2ef37 |
1320 | |
348c6ba8 |
1321 | if(likely(process != NULL)) { |
1322 | process->state->s = LTTV_STATE_EXIT; |
2cdc690b |
1323 | } |
1324 | return FALSE; |
2cdc690b |
1325 | } |
1326 | |
eed2ef37 |
1327 | static gboolean process_free(void *hook_data, void *call_data) |
2da61677 |
1328 | { |
eed2ef37 |
1329 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
348c6ba8 |
1330 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
eed2ef37 |
1331 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1332 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
2da61677 |
1333 | guint release_pid; |
1334 | LttvProcessState *process; |
1335 | |
1336 | /* PID of the process to release */ |
eed2ef37 |
1337 | release_pid = ltt_event_get_unsigned(e, thf->f1); |
15b3d537 |
1338 | |
1339 | g_assert(release_pid != 0); |
2da61677 |
1340 | |
348c6ba8 |
1341 | process = lttv_state_find_process(ts, ANY_CPU, release_pid); |
2da61677 |
1342 | |
1343 | if(likely(process != NULL)) { |
1344 | /* release_task is happening at kernel level : we can now safely release |
1345 | * the data structure of the process */ |
5562ddce |
1346 | //This test is fun, though, as it may happen that |
1347 | //at time t : CPU 0 : process_free |
1348 | //at time t+150ns : CPU 1 : schedule out |
1349 | //Clearly due to time imprecision, we disable it. (Mathieu) |
1350 | //If this weird case happen, we have no choice but to put the |
1351 | //Currently running process on the cpu to 0. |
791dffa6 |
1352 | //I re-enable it following time precision fixes. (Mathieu) |
1353 | //Well, in the case where an process is freed by a process on another CPU |
1354 | //and still scheduled, it happens that this is the schedchange that will |
1355 | //drop the last reference count. Do not free it here! |
0bd2f89c |
1356 | guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
1357 | guint i; |
1358 | for(i=0; i< num_cpus; i++) { |
5562ddce |
1359 | //g_assert(process != ts->running_process[i]); |
1360 | if(process == ts->running_process[i]) { |
791dffa6 |
1361 | //ts->running_process[i] = lttv_state_find_process(ts, i, 0); |
1362 | break; |
5562ddce |
1363 | } |
0bd2f89c |
1364 | } |
791dffa6 |
1365 | if(i == num_cpus) /* process is not scheduled */ |
1366 | exit_process(s, process); |
2da61677 |
1367 | } |
1368 | |
1369 | return FALSE; |
1370 | } |
1371 | |
f4b88a7d |
1372 | |
1373 | static gboolean process_exec(void *hook_data, void *call_data) |
1374 | { |
1375 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1376 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1377 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1378 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
743e50fd |
1379 | //gchar *name; |
f4b88a7d |
1380 | guint cpu = ltt_tracefile_num(s->parent.tf); |
1381 | LttvProcessState *process = ts->running_process[cpu]; |
1382 | |
1383 | /* PID of the process to release */ |
743e50fd |
1384 | guint64 name_len = ltt_event_field_element_number(e, thf->f1); |
1385 | //name = ltt_event_get_string(e, thf->f1); |
f2923fb2 |
1386 | LttField *child = ltt_event_field_element_select(e, thf->f1, 0); |
1387 | gchar *name_begin = |
1388 | (gchar*)(ltt_event_data(e)+ltt_event_field_offset(e, child)); |
743e50fd |
1389 | gchar *null_term_name = g_new(gchar, name_len+1); |
1390 | memcpy(null_term_name, name_begin, name_len); |
1391 | null_term_name[name_len] = '\0'; |
1392 | |
1393 | process->name = g_quark_from_string(null_term_name); |
f2923fb2 |
1394 | g_free(null_term_name); |
f4b88a7d |
1395 | return FALSE; |
1396 | } |
1397 | |
1398 | |
1399 | |
1400 | |
58c88a41 |
1401 | gint lttv_state_hook_add_event_hooks(void *hook_data, void *call_data) |
1402 | { |
1403 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1404 | |
1405 | lttv_state_add_event_hooks(tss); |
1406 | |
1407 | return 0; |
1408 | } |
dc877563 |
1409 | |
308711e5 |
1410 | void lttv_state_add_event_hooks(LttvTracesetState *self) |
dc877563 |
1411 | { |
ba576a78 |
1412 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
1413 | |
eed2ef37 |
1414 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
1415 | |
ba576a78 |
1416 | LttvTraceState *ts; |
dc877563 |
1417 | |
ba576a78 |
1418 | LttvTracefileState *tfs; |
dc877563 |
1419 | |
dc877563 |
1420 | GArray *hooks; |
1421 | |
eed2ef37 |
1422 | LttvTraceHookByFacility *thf; |
1423 | |
1424 | LttvTraceHook *hook; |
dc877563 |
1425 | |
1426 | LttvAttributeValue val; |
1427 | |
9d239bd9 |
1428 | gint ret; |
1429 | |
ba576a78 |
1430 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
1431 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
1432 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
1433 | |
1434 | /* Find the eventtype id for the following events and register the |
1435 | associated by id hooks. */ |
1436 | |
f4b88a7d |
1437 | hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 11); |
1438 | hooks = g_array_set_size(hooks, 11); |
b445142a |
1439 | |
9d239bd9 |
1440 | ret = lttv_trace_find_hook(ts->parent.t, |
7b143580 |
1441 | LTT_FACILITY_ASM_I386_KERNEL, LTT_EVENT_SYSCALL_ENTRY, |
eed2ef37 |
1442 | LTT_FIELD_SYSCALL_ID, 0, 0, |
2c82c4dc |
1443 | syscall_entry, NULL, &g_array_index(hooks, LttvTraceHook, 0)); |
9d239bd9 |
1444 | g_assert(!ret); |
cbe7c836 |
1445 | |
9d239bd9 |
1446 | ret = lttv_trace_find_hook(ts->parent.t, |
7b143580 |
1447 | LTT_FACILITY_ASM_I386_KERNEL, LTT_EVENT_SYSCALL_EXIT, |
eed2ef37 |
1448 | 0, 0, 0, |
2c82c4dc |
1449 | syscall_exit, NULL, &g_array_index(hooks, LttvTraceHook, 1)); |
9d239bd9 |
1450 | g_assert(!ret); |
cbe7c836 |
1451 | |
9d239bd9 |
1452 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1453 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_ENTRY, |
1454 | LTT_FIELD_TRAP_ID, 0, 0, |
2c82c4dc |
1455 | trap_entry, NULL, &g_array_index(hooks, LttvTraceHook, 2)); |
9d239bd9 |
1456 | g_assert(!ret); |
cbe7c836 |
1457 | |
9d239bd9 |
1458 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1459 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_EXIT, |
1460 | 0, 0, 0, |
2c82c4dc |
1461 | trap_exit, NULL, &g_array_index(hooks, LttvTraceHook, 3)); |
9d239bd9 |
1462 | g_assert(!ret); |
cbe7c836 |
1463 | |
9d239bd9 |
1464 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1465 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
1466 | LTT_FIELD_IRQ_ID, 0, 0, |
2c82c4dc |
1467 | irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, 4)); |
9d239bd9 |
1468 | g_assert(!ret); |
cbe7c836 |
1469 | |
9d239bd9 |
1470 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1471 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_EXIT, |
1472 | 0, 0, 0, |
2c82c4dc |
1473 | irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, 5)); |
9d239bd9 |
1474 | g_assert(!ret); |
cbe7c836 |
1475 | |
9d239bd9 |
1476 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1477 | LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE, |
1478 | LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE, |
2c82c4dc |
1479 | schedchange, NULL, &g_array_index(hooks, LttvTraceHook, 6)); |
9d239bd9 |
1480 | g_assert(!ret); |
cbe7c836 |
1481 | |
9d239bd9 |
1482 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1483 | LTT_FACILITY_PROCESS, LTT_EVENT_FORK, |
1484 | LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, 0, |
2c82c4dc |
1485 | process_fork, NULL, &g_array_index(hooks, LttvTraceHook, 7)); |
9d239bd9 |
1486 | g_assert(!ret); |
eed2ef37 |
1487 | |
9d239bd9 |
1488 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1489 | LTT_FACILITY_PROCESS, LTT_EVENT_EXIT, |
1490 | LTT_FIELD_PID, 0, 0, |
2c82c4dc |
1491 | process_exit, NULL, &g_array_index(hooks, LttvTraceHook, 8)); |
9d239bd9 |
1492 | g_assert(!ret); |
eed2ef37 |
1493 | |
9d239bd9 |
1494 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1495 | LTT_FACILITY_PROCESS, LTT_EVENT_FREE, |
1496 | LTT_FIELD_PID, 0, 0, |
2c82c4dc |
1497 | process_free, NULL, &g_array_index(hooks, LttvTraceHook, 9)); |
9d239bd9 |
1498 | g_assert(!ret); |
2cdc690b |
1499 | |
f4b88a7d |
1500 | ret = lttv_trace_find_hook(ts->parent.t, |
1501 | LTT_FACILITY_FS, LTT_EVENT_EXEC, |
1502 | LTT_FIELD_FILENAME, 0, 0, |
1503 | process_exec, NULL, &g_array_index(hooks, LttvTraceHook, 10)); |
1504 | g_assert(!ret); |
1505 | |
1506 | |
cbe7c836 |
1507 | |
a5ba1787 |
1508 | /* Add these hooks to each event_by_id hooks list */ |
dc877563 |
1509 | |
eed2ef37 |
1510 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
1511 | |
dc877563 |
1512 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1513 | tfs = |
9d239bd9 |
1514 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1515 | LttvTracefileContext*, j)); |
dc877563 |
1516 | |
1517 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
1518 | hook = &g_array_index(hooks, LttvTraceHook, k); |
1519 | for(l=0;l<hook->fac_list->len;l++) { |
1520 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
1521 | lttv_hooks_add( |
1522 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
1523 | thf->h, |
d052ffc3 |
1524 | thf, |
eed2ef37 |
1525 | LTTV_PRIO_STATE); |
1526 | } |
ffd54a90 |
1527 | } |
dc877563 |
1528 | } |
ba576a78 |
1529 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
1530 | *(val.v_pointer) = hooks; |
dc877563 |
1531 | } |
1532 | } |
1533 | |
58c88a41 |
1534 | gint lttv_state_hook_remove_event_hooks(void *hook_data, void *call_data) |
1535 | { |
1536 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1537 | |
1538 | lttv_state_remove_event_hooks(tss); |
1539 | |
1540 | return 0; |
1541 | } |
dc877563 |
1542 | |
308711e5 |
1543 | void lttv_state_remove_event_hooks(LttvTracesetState *self) |
dc877563 |
1544 | { |
ba576a78 |
1545 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
1546 | |
eed2ef37 |
1547 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
1548 | |
ba576a78 |
1549 | LttvTraceState *ts; |
dc877563 |
1550 | |
ba576a78 |
1551 | LttvTracefileState *tfs; |
dc877563 |
1552 | |
dc877563 |
1553 | GArray *hooks; |
1554 | |
eed2ef37 |
1555 | LttvTraceHook *hook; |
1556 | |
1557 | LttvTraceHookByFacility *thf; |
dc877563 |
1558 | |
1559 | LttvAttributeValue val; |
1560 | |
ba576a78 |
1561 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
1562 | for(i = 0 ; i < nb_trace ; i++) { |
021eeb41 |
1563 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
ba576a78 |
1564 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
1565 | hooks = *(val.v_pointer); |
dc877563 |
1566 | |
a5ba1787 |
1567 | /* Remove these hooks from each event_by_id hooks list */ |
dc877563 |
1568 | |
eed2ef37 |
1569 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
1570 | |
dc877563 |
1571 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1572 | tfs = |
cb03932a |
1573 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1574 | LttvTracefileContext*, j)); |
dc877563 |
1575 | |
1576 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
1577 | hook = &g_array_index(hooks, LttvTraceHook, k); |
1578 | for(l=0;l<hook->fac_list->len;l++) { |
1579 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
1580 | |
1581 | lttv_hooks_remove_data( |
1582 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
1583 | thf->h, |
d052ffc3 |
1584 | thf); |
eed2ef37 |
1585 | } |
ffd54a90 |
1586 | } |
dc877563 |
1587 | } |
1986f254 |
1588 | for(k = 0 ; k < hooks->len ; k++) |
1589 | lttv_trace_hook_destroy(&g_array_index(hooks, LttvTraceHook, k)); |
dc877563 |
1590 | g_array_free(hooks, TRUE); |
1591 | } |
1592 | } |
1593 | |
eed2ef37 |
1594 | static gboolean state_save_event_hook(void *hook_data, void *call_data) |
1595 | { |
1596 | guint *event_count = (guint*)hook_data; |
1597 | |
1598 | /* Only save at LTTV_STATE_SAVE_INTERVAL */ |
1599 | if(likely((*event_count)++ < LTTV_STATE_SAVE_INTERVAL)) |
1600 | return FALSE; |
1601 | else |
18c87975 |
1602 | *event_count = 0; |
eed2ef37 |
1603 | |
1604 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
1605 | |
1606 | LttvTracefileState *tfcs; |
1607 | |
1608 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1609 | |
1610 | LttEventPosition *ep; |
1611 | |
1612 | guint i; |
1613 | |
1614 | LttTracefile *tf; |
1615 | |
1616 | LttvAttribute *saved_states_tree, *saved_state_tree; |
1617 | |
1618 | LttvAttributeValue value; |
1619 | |
1620 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1621 | LTTV_STATE_SAVED_STATES); |
1622 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
1623 | value = lttv_attribute_add(saved_states_tree, |
1624 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
1625 | *(value.v_gobject) = (GObject *)saved_state_tree; |
1626 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
1627 | *(value.v_time) = self->parent.timestamp; |
1628 | lttv_state_save(tcs, saved_state_tree); |
1629 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
1630 | self->parent.timestamp.tv_nsec); |
1631 | |
1632 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
1633 | |
1634 | return FALSE; |
1635 | } |
1636 | |
14aecf75 |
1637 | static gboolean state_save_after_trace_hook(void *hook_data, void *call_data) |
1638 | { |
1639 | LttvTraceState *tcs = (LttvTraceState *)(call_data); |
1640 | |
1641 | *(tcs->max_time_state_recomputed_in_seek) = tcs->parent.time_span.end_time; |
1642 | |
1643 | return FALSE; |
1644 | } |
1645 | |
eed2ef37 |
1646 | #if 0 |
08b1c66e |
1647 | static gboolean block_start(void *hook_data, void *call_data) |
308711e5 |
1648 | { |
dbb7bb09 |
1649 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
308711e5 |
1650 | |
dbb7bb09 |
1651 | LttvTracefileState *tfcs; |
308711e5 |
1652 | |
dbb7bb09 |
1653 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1654 | |
1655 | LttEventPosition *ep; |
308711e5 |
1656 | |
dbb7bb09 |
1657 | guint i, nb_block, nb_event, nb_tracefile; |
308711e5 |
1658 | |
1659 | LttTracefile *tf; |
1660 | |
1661 | LttvAttribute *saved_states_tree, *saved_state_tree; |
1662 | |
1663 | LttvAttributeValue value; |
1664 | |
dbb7bb09 |
1665 | ep = ltt_event_position_new(); |
eed2ef37 |
1666 | |
1667 | nb_tracefile = tcs->parent.tracefiles->len; |
dbb7bb09 |
1668 | |
1669 | /* Count the number of events added since the last block end in any |
1670 | tracefile. */ |
1671 | |
1672 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
1673 | tfcs = |
1674 | LTTV_TRACEFILE_STATE(&g_array_index(tcs->parent.tracefiles, |
1675 | LttvTracefileContext, i)); |
dbb7bb09 |
1676 | ltt_event_position(tfcs->parent.e, ep); |
1677 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
1678 | tcs->nb_event += nb_event - tfcs->saved_position; |
1679 | tfcs->saved_position = nb_event; |
1680 | } |
1681 | g_free(ep); |
308711e5 |
1682 | |
308711e5 |
1683 | if(tcs->nb_event >= tcs->save_interval) { |
1684 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1685 | LTTV_STATE_SAVED_STATES); |
1686 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
1687 | value = lttv_attribute_add(saved_states_tree, |
1688 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
1689 | *(value.v_gobject) = (GObject *)saved_state_tree; |
1690 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
dbb7bb09 |
1691 | *(value.v_time) = self->parent.timestamp; |
308711e5 |
1692 | lttv_state_save(tcs, saved_state_tree); |
1693 | tcs->nb_event = 0; |
08b1c66e |
1694 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
1695 | self->parent.timestamp.tv_nsec); |
308711e5 |
1696 | } |
dbb7bb09 |
1697 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
308711e5 |
1698 | return FALSE; |
1699 | } |
eed2ef37 |
1700 | #endif //0 |
308711e5 |
1701 | |
eed2ef37 |
1702 | #if 0 |
08b1c66e |
1703 | static gboolean block_end(void *hook_data, void *call_data) |
1704 | { |
1705 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
1706 | |
1707 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1708 | |
1709 | LttTracefile *tf; |
1710 | |
1711 | LttEventPosition *ep; |
1712 | |
1713 | guint nb_block, nb_event; |
1714 | |
1715 | ep = ltt_event_position_new(); |
1716 | ltt_event_position(self->parent.e, ep); |
1717 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
1718 | tcs->nb_event += nb_event - self->saved_position + 1; |
1719 | self->saved_position = 0; |
1720 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
1721 | g_free(ep); |
00e74b69 |
1722 | |
1723 | return FALSE; |
08b1c66e |
1724 | } |
eed2ef37 |
1725 | #endif //0 |
1726 | #if 0 |
308711e5 |
1727 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
1728 | { |
1729 | LttvTraceset *traceset = self->parent.ts; |
1730 | |
00e74b69 |
1731 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
1732 | |
1733 | LttvTraceState *ts; |
1734 | |
1735 | LttvTracefileState *tfs; |
1736 | |
08b1c66e |
1737 | LttvTraceHook hook_start, hook_end; |
308711e5 |
1738 | |
1739 | nb_trace = lttv_traceset_number(traceset); |
1740 | for(i = 0 ; i < nb_trace ; i++) { |
1741 | ts = (LttvTraceState *)self->parent.traces[i]; |
eed2ef37 |
1742 | |
08b1c66e |
1743 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
1744 | NULL, NULL, block_start, &hook_start); |
308711e5 |
1745 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
1746 | NULL, NULL, block_end, &hook_end); |
308711e5 |
1747 | |
eed2ef37 |
1748 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
1749 | |
dbb7bb09 |
1750 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1751 | tfs = |
1752 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
1753 | LttvTracefileContext, j)); |
a5ba1787 |
1754 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
1755 | hook_start.id), hook_start.h, NULL, LTTV_PRIO_STATE); |
a5ba1787 |
1756 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
1757 | hook_end.id), hook_end.h, NULL, LTTV_PRIO_STATE); |
1758 | } |
1759 | } |
1760 | } |
1761 | #endif //0 |
1762 | |
1763 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
1764 | { |
1765 | LttvTraceset *traceset = self->parent.ts; |
1766 | |
1767 | guint i, j, nb_trace, nb_tracefile; |
1768 | |
1769 | LttvTraceState *ts; |
1770 | |
1771 | LttvTracefileState *tfs; |
1772 | |
1773 | |
1774 | nb_trace = lttv_traceset_number(traceset); |
1775 | for(i = 0 ; i < nb_trace ; i++) { |
1776 | |
1777 | ts = (LttvTraceState *)self->parent.traces[i]; |
1778 | nb_tracefile = ts->parent.tracefiles->len; |
1779 | |
3054461a |
1780 | guint *event_count = g_new(guint, 1); |
1781 | *event_count = 0; |
1782 | |
eed2ef37 |
1783 | for(j = 0 ; j < nb_tracefile ; j++) { |
1784 | tfs = |
cb03932a |
1785 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1786 | LttvTracefileContext*, j)); |
eed2ef37 |
1787 | lttv_hooks_add(tfs->parent.event, |
1788 | state_save_event_hook, |
1789 | event_count, |
1790 | LTTV_PRIO_STATE); |
1791 | |
308711e5 |
1792 | } |
1793 | } |
14aecf75 |
1794 | |
1795 | lttv_process_traceset_begin(&self->parent, |
1796 | NULL, NULL, NULL, NULL, NULL); |
1797 | |
308711e5 |
1798 | } |
1799 | |
b56b5fec |
1800 | gint lttv_state_save_hook_add_event_hooks(void *hook_data, void *call_data) |
1801 | { |
1802 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1803 | |
1804 | lttv_state_save_add_event_hooks(tss); |
1805 | |
1806 | return 0; |
1807 | } |
1808 | |
308711e5 |
1809 | |
eed2ef37 |
1810 | #if 0 |
308711e5 |
1811 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
1812 | { |
1813 | LttvTraceset *traceset = self->parent.ts; |
1814 | |
00e74b69 |
1815 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
1816 | |
1817 | LttvTraceState *ts; |
1818 | |
1819 | LttvTracefileState *tfs; |
1820 | |
08b1c66e |
1821 | LttvTraceHook hook_start, hook_end; |
308711e5 |
1822 | |
1823 | nb_trace = lttv_traceset_number(traceset); |
1824 | for(i = 0 ; i < nb_trace ; i++) { |
1825 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
eed2ef37 |
1826 | |
08b1c66e |
1827 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
1828 | NULL, NULL, block_start, &hook_start); |
1829 | |
308711e5 |
1830 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
1831 | NULL, NULL, block_end, &hook_end); |
308711e5 |
1832 | |
eed2ef37 |
1833 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
1834 | |
dbb7bb09 |
1835 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1836 | tfs = |
1837 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
1838 | LttvTracefileContext, j)); |
308711e5 |
1839 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
1840 | tfs->parent.event_by_id, hook_start.id), hook_start.h, NULL); |
08b1c66e |
1841 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
1842 | tfs->parent.event_by_id, hook_end.id), hook_end.h, NULL); |
308711e5 |
1843 | } |
1844 | } |
1845 | } |
eed2ef37 |
1846 | #endif //0 |
1847 | |
1848 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
1849 | { |
1850 | LttvTraceset *traceset = self->parent.ts; |
1851 | |
1852 | guint i, j, nb_trace, nb_tracefile; |
1853 | |
1854 | LttvTraceState *ts; |
1855 | |
1856 | LttvTracefileState *tfs; |
1857 | |
14aecf75 |
1858 | LttvHooks *after_trace = lttv_hooks_new(); |
1859 | |
1860 | lttv_hooks_add(after_trace, |
1861 | state_save_after_trace_hook, |
1862 | NULL, |
1863 | LTTV_PRIO_STATE); |
1864 | |
1865 | |
1866 | lttv_process_traceset_end(&self->parent, |
1867 | NULL, after_trace, NULL, NULL, NULL); |
eed2ef37 |
1868 | |
14aecf75 |
1869 | lttv_hooks_destroy(after_trace); |
1870 | |
eed2ef37 |
1871 | nb_trace = lttv_traceset_number(traceset); |
1872 | for(i = 0 ; i < nb_trace ; i++) { |
1873 | |
1874 | ts = (LttvTraceState *)self->parent.traces[i]; |
1875 | nb_tracefile = ts->parent.tracefiles->len; |
1876 | |
22b165e9 |
1877 | guint *event_count = NULL; |
eed2ef37 |
1878 | |
1879 | for(j = 0 ; j < nb_tracefile ; j++) { |
1880 | tfs = |
cb03932a |
1881 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1882 | LttvTracefileContext*, j)); |
eed2ef37 |
1883 | event_count = lttv_hooks_remove(tfs->parent.event, |
1884 | state_save_event_hook); |
eed2ef37 |
1885 | } |
22b165e9 |
1886 | if(event_count) g_free(event_count); |
eed2ef37 |
1887 | } |
1888 | } |
308711e5 |
1889 | |
b56b5fec |
1890 | gint lttv_state_save_hook_remove_event_hooks(void *hook_data, void *call_data) |
1891 | { |
1892 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1893 | |
1894 | lttv_state_save_remove_event_hooks(tss); |
1895 | |
1896 | return 0; |
1897 | } |
308711e5 |
1898 | |
dd025f91 |
1899 | void lttv_state_traceset_seek_time_closest(LttvTracesetState *self, LttTime t) |
308711e5 |
1900 | { |
1901 | LttvTraceset *traceset = self->parent.ts; |
1902 | |
00e74b69 |
1903 | guint i, nb_trace; |
308711e5 |
1904 | |
1905 | int min_pos, mid_pos, max_pos; |
1906 | |
728d0c3e |
1907 | guint call_rest = 0; |
1908 | |
308711e5 |
1909 | LttvTraceState *tcs; |
1910 | |
1911 | LttvAttributeValue value; |
1912 | |
1913 | LttvAttributeType type; |
1914 | |
1915 | LttvAttributeName name; |
1916 | |
1917 | LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree; |
1918 | |
d448fce2 |
1919 | //g_tree_destroy(self->parent.pqueue); |
1920 | //self->parent.pqueue = g_tree_new(compare_tracefile); |
348c6ba8 |
1921 | |
728d0c3e |
1922 | g_info("Entering seek_time_closest for time %lu.%lu", t.tv_sec, t.tv_nsec); |
1923 | |
308711e5 |
1924 | nb_trace = lttv_traceset_number(traceset); |
1925 | for(i = 0 ; i < nb_trace ; i++) { |
1926 | tcs = (LttvTraceState *)self->parent.traces[i]; |
1927 | |
2a2fa4f0 |
1928 | if(ltt_time_compare(t, *(tcs->max_time_state_recomputed_in_seek)) < 0) { |
1929 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1930 | LTTV_STATE_SAVED_STATES); |
1931 | min_pos = -1; |
1932 | |
1933 | if(saved_states_tree) { |
dd025f91 |
1934 | max_pos = lttv_attribute_get_number(saved_states_tree) - 1; |
1935 | mid_pos = max_pos / 2; |
1936 | while(min_pos < max_pos) { |
1937 | type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value); |
1938 | g_assert(type == LTTV_GOBJECT); |
1939 | saved_state_tree = *((LttvAttribute **)(value.v_gobject)); |
1940 | type = lttv_attribute_get_by_name(saved_state_tree, LTTV_STATE_TIME, |
1941 | &value); |
1942 | g_assert(type == LTTV_TIME); |
1943 | if(ltt_time_compare(*(value.v_time), t) < 0) { |
1944 | min_pos = mid_pos; |
1945 | closest_tree = saved_state_tree; |
1946 | } |
1947 | else max_pos = mid_pos - 1; |
1948 | |
1949 | mid_pos = (min_pos + max_pos + 1) / 2; |
1950 | } |
2a2fa4f0 |
1951 | } |
dd025f91 |
1952 | |
2a2fa4f0 |
1953 | /* restore the closest earlier saved state */ |
f95bc830 |
1954 | if(min_pos != -1) { |
1955 | lttv_state_restore(tcs, closest_tree); |
728d0c3e |
1956 | call_rest = 1; |
f95bc830 |
1957 | } |
dd025f91 |
1958 | |
2a2fa4f0 |
1959 | /* There is no saved state, yet we want to have it. Restart at T0 */ |
dd025f91 |
1960 | else { |
1961 | restore_init_state(tcs); |
1962 | lttv_process_trace_seek_time(&(tcs->parent), ltt_time_zero); |
308711e5 |
1963 | } |
9444deae |
1964 | } |
dd025f91 |
1965 | /* We want to seek quickly without restoring/updating the state */ |
1966 | else { |
308711e5 |
1967 | restore_init_state(tcs); |
dd025f91 |
1968 | lttv_process_trace_seek_time(&(tcs->parent), t); |
308711e5 |
1969 | } |
308711e5 |
1970 | } |
728d0c3e |
1971 | if(!call_rest) g_info("NOT Calling restore"); |
308711e5 |
1972 | } |
1973 | |
1974 | |
1975 | static void |
1976 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1977 | { |
1978 | } |
1979 | |
1980 | |
1981 | static void |
1982 | traceset_state_finalize (LttvTracesetState *self) |
1983 | { |
1984 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
1985 | finalize(G_OBJECT(self)); |
1986 | } |
1987 | |
1988 | |
1989 | static void |
1990 | traceset_state_class_init (LttvTracesetContextClass *klass) |
1991 | { |
1992 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1993 | |
1994 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
1995 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
1996 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
1997 | klass->new_traceset_context = new_traceset_context; |
1998 | klass->new_trace_context = new_trace_context; |
1999 | klass->new_tracefile_context = new_tracefile_context; |
2000 | } |
2001 | |
2002 | |
2003 | GType |
2004 | lttv_traceset_state_get_type(void) |
2005 | { |
2006 | static GType type = 0; |
2007 | if (type == 0) { |
2008 | static const GTypeInfo info = { |
2009 | sizeof (LttvTracesetStateClass), |
2010 | NULL, /* base_init */ |
2011 | NULL, /* base_finalize */ |
2012 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
2013 | NULL, /* class_finalize */ |
2014 | NULL, /* class_data */ |
dbb7bb09 |
2015 | sizeof (LttvTracesetState), |
308711e5 |
2016 | 0, /* n_preallocs */ |
00e74b69 |
2017 | (GInstanceInitFunc) traceset_state_instance_init, /* instance_init */ |
2018 | NULL /* value handling */ |
308711e5 |
2019 | }; |
2020 | |
2021 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
2022 | &info, 0); |
2023 | } |
2024 | return type; |
2025 | } |
2026 | |
2027 | |
2028 | static void |
2029 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2030 | { |
2031 | } |
2032 | |
2033 | |
2034 | static void |
2035 | trace_state_finalize (LttvTraceState *self) |
2036 | { |
2037 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE))-> |
2038 | finalize(G_OBJECT(self)); |
2039 | } |
2040 | |
2041 | |
2042 | static void |
2043 | trace_state_class_init (LttvTraceStateClass *klass) |
2044 | { |
2045 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2046 | |
2047 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
2048 | klass->state_save = state_save; |
2049 | klass->state_restore = state_restore; |
2050 | klass->state_saved_free = state_saved_free; |
2051 | } |
2052 | |
2053 | |
2054 | GType |
2055 | lttv_trace_state_get_type(void) |
2056 | { |
2057 | static GType type = 0; |
2058 | if (type == 0) { |
2059 | static const GTypeInfo info = { |
2060 | sizeof (LttvTraceStateClass), |
2061 | NULL, /* base_init */ |
2062 | NULL, /* base_finalize */ |
2063 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
2064 | NULL, /* class_finalize */ |
2065 | NULL, /* class_data */ |
2066 | sizeof (LttvTraceState), |
2067 | 0, /* n_preallocs */ |
00e74b69 |
2068 | (GInstanceInitFunc) trace_state_instance_init, /* instance_init */ |
2069 | NULL /* value handling */ |
308711e5 |
2070 | }; |
2071 | |
2072 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
2073 | "LttvTraceStateType", &info, 0); |
2074 | } |
2075 | return type; |
2076 | } |
2077 | |
2078 | |
2079 | static void |
2080 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2081 | { |
2082 | } |
2083 | |
2084 | |
2085 | static void |
2086 | tracefile_state_finalize (LttvTracefileState *self) |
2087 | { |
2088 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE))-> |
2089 | finalize(G_OBJECT(self)); |
2090 | } |
2091 | |
2092 | |
2093 | static void |
2094 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
2095 | { |
2096 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2097 | |
2098 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
2099 | } |
2100 | |
2101 | |
2102 | GType |
2103 | lttv_tracefile_state_get_type(void) |
2104 | { |
2105 | static GType type = 0; |
2106 | if (type == 0) { |
2107 | static const GTypeInfo info = { |
2108 | sizeof (LttvTracefileStateClass), |
2109 | NULL, /* base_init */ |
2110 | NULL, /* base_finalize */ |
2111 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
2112 | NULL, /* class_finalize */ |
2113 | NULL, /* class_data */ |
2114 | sizeof (LttvTracefileState), |
2115 | 0, /* n_preallocs */ |
00e74b69 |
2116 | (GInstanceInitFunc) tracefile_state_instance_init, /* instance_init */ |
2117 | NULL /* value handling */ |
308711e5 |
2118 | }; |
2119 | |
2120 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
2121 | "LttvTracefileStateType", &info, 0); |
2122 | } |
2123 | return type; |
2124 | } |
2125 | |
2126 | |
08b1c66e |
2127 | static void module_init() |
ffd54a90 |
2128 | { |
2129 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
b445142a |
2130 | LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("unknown execution mode"); |
ffd54a90 |
2131 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
2132 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
2133 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
2134 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
2135 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
b445142a |
2136 | LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("unknown submode"); |
2137 | LTTV_STATE_SUBMODE_NONE = g_quark_from_string("(no submode)"); |
ffd54a90 |
2138 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
dbd243b1 |
2139 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
0828099d |
2140 | LTTV_STATE_ZOMBIE = g_quark_from_string("zombie"); |
ffd54a90 |
2141 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
2142 | LTTV_STATE_RUN = g_quark_from_string("running"); |
791dffa6 |
2143 | LTTV_STATE_DEAD = g_quark_from_string("dead"); |
308711e5 |
2144 | LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles"); |
2145 | LTTV_STATE_PROCESSES = g_quark_from_string("processes"); |
2146 | LTTV_STATE_PROCESS = g_quark_from_string("process"); |
348c6ba8 |
2147 | LTTV_STATE_RUNNING_PROCESS = g_quark_from_string("running_process"); |
308711e5 |
2148 | LTTV_STATE_EVENT = g_quark_from_string("event"); |
2149 | LTTV_STATE_SAVED_STATES = g_quark_from_string("saved states"); |
dbb7bb09 |
2150 | LTTV_STATE_SAVED_STATES_TIME = g_quark_from_string("saved states time"); |
308711e5 |
2151 | LTTV_STATE_TIME = g_quark_from_string("time"); |
ffd54a90 |
2152 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
f95bc830 |
2153 | LTTV_STATE_NAME_TABLES = g_quark_from_string("name tables"); |
2154 | LTTV_STATE_TRACE_STATE_USE_COUNT = |
2155 | g_quark_from_string("trace_state_use_count"); |
eed2ef37 |
2156 | |
2157 | |
2158 | LTT_FACILITY_KERNEL = g_quark_from_string("kernel"); |
7b143580 |
2159 | LTT_FACILITY_ASM_I386_KERNEL = g_quark_from_string("asm_i386_kernel"); |
eed2ef37 |
2160 | LTT_FACILITY_PROCESS = g_quark_from_string("process"); |
f4b88a7d |
2161 | LTT_FACILITY_FS = g_quark_from_string("fs"); |
eed2ef37 |
2162 | |
2163 | |
2164 | LTT_EVENT_SYSCALL_ENTRY = g_quark_from_string("syscall_entry"); |
2165 | LTT_EVENT_SYSCALL_EXIT = g_quark_from_string("syscall_exit"); |
2166 | LTT_EVENT_TRAP_ENTRY = g_quark_from_string("trap_entry"); |
2167 | LTT_EVENT_TRAP_EXIT = g_quark_from_string("trap_exit"); |
2168 | LTT_EVENT_IRQ_ENTRY = g_quark_from_string("irq_entry"); |
2169 | LTT_EVENT_IRQ_EXIT = g_quark_from_string("irq_exit"); |
2170 | LTT_EVENT_SCHEDCHANGE = g_quark_from_string("schedchange"); |
2171 | LTT_EVENT_FORK = g_quark_from_string("fork"); |
2172 | LTT_EVENT_EXIT = g_quark_from_string("exit"); |
2173 | LTT_EVENT_FREE = g_quark_from_string("free"); |
f4b88a7d |
2174 | LTT_EVENT_EXEC = g_quark_from_string("exec"); |
eed2ef37 |
2175 | |
2176 | |
2177 | LTT_FIELD_SYSCALL_ID = g_quark_from_string("syscall_id"); |
2178 | LTT_FIELD_TRAP_ID = g_quark_from_string("trap_id"); |
2179 | LTT_FIELD_IRQ_ID = g_quark_from_string("irq_id"); |
2180 | LTT_FIELD_OUT = g_quark_from_string("out"); |
2181 | LTT_FIELD_IN = g_quark_from_string("in"); |
2182 | LTT_FIELD_OUT_STATE = g_quark_from_string("out_state"); |
2183 | LTT_FIELD_PARENT_PID = g_quark_from_string("parent_pid"); |
2184 | LTT_FIELD_CHILD_PID = g_quark_from_string("child_pid"); |
2185 | LTT_FIELD_PID = g_quark_from_string("pid"); |
f4b88a7d |
2186 | LTT_FIELD_FILENAME = g_quark_from_string("filename"); |
eed2ef37 |
2187 | |
ffd54a90 |
2188 | } |
dc877563 |
2189 | |
08b1c66e |
2190 | static void module_destroy() |
ffd54a90 |
2191 | { |
2192 | } |
dc877563 |
2193 | |
2194 | |
08b1c66e |
2195 | LTTV_MODULE("state", "State computation", \ |
2196 | "Update the system state, possibly saving it at intervals", \ |
2197 | module_init, module_destroy) |
2198 | |
dc877563 |
2199 | |
2200 | |