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, |
38 | LTT_FACILITY_PROCESS; |
39 | |
40 | /* Events Quarks */ |
41 | |
42 | GQuark |
43 | LTT_EVENT_SYSCALL_ENTRY, |
44 | LTT_EVENT_SYSCALL_EXIT, |
45 | LTT_EVENT_TRAP_ENTRY, |
46 | LTT_EVENT_TRAP_EXIT, |
47 | LTT_EVENT_IRQ_ENTRY, |
48 | LTT_EVENT_IRQ_EXIT, |
49 | LTT_EVENT_SCHEDCHANGE, |
50 | LTT_EVENT_FORK, |
51 | LTT_EVENT_EXIT, |
52 | LTT_EVENT_FREE; |
53 | |
54 | /* Fields Quarks */ |
55 | |
56 | GQuark |
57 | LTT_FIELD_SYSCALL_ID, |
58 | LTT_FIELD_TRAP_ID, |
59 | LTT_FIELD_IRQ_ID, |
60 | LTT_FIELD_OUT, |
61 | LTT_FIELD_IN, |
62 | LTT_FIELD_OUT_STATE, |
63 | LTT_FIELD_PARENT_PID, |
64 | LTT_FIELD_CHILD_PID, |
65 | LTT_FIELD_PID; |
66 | |
b445142a |
67 | LttvExecutionMode |
68 | LTTV_STATE_MODE_UNKNOWN, |
ffd54a90 |
69 | LTTV_STATE_USER_MODE, |
70 | LTTV_STATE_SYSCALL, |
71 | LTTV_STATE_TRAP, |
72 | LTTV_STATE_IRQ; |
73 | |
b445142a |
74 | LttvExecutionSubmode |
75 | LTTV_STATE_SUBMODE_UNKNOWN, |
76 | LTTV_STATE_SUBMODE_NONE; |
ffd54a90 |
77 | |
78 | LttvProcessStatus |
79 | LTTV_STATE_UNNAMED, |
80 | LTTV_STATE_WAIT_FORK, |
81 | LTTV_STATE_WAIT_CPU, |
dbd243b1 |
82 | LTTV_STATE_EXIT, |
0828099d |
83 | LTTV_STATE_ZOMBIE, |
ffd54a90 |
84 | LTTV_STATE_WAIT, |
85 | LTTV_STATE_RUN; |
86 | |
ba576a78 |
87 | static GQuark |
308711e5 |
88 | LTTV_STATE_TRACEFILES, |
89 | LTTV_STATE_PROCESSES, |
90 | LTTV_STATE_PROCESS, |
91 | LTTV_STATE_EVENT, |
92 | LTTV_STATE_SAVED_STATES, |
dbb7bb09 |
93 | LTTV_STATE_SAVED_STATES_TIME, |
308711e5 |
94 | LTTV_STATE_TIME, |
f95bc830 |
95 | LTTV_STATE_HOOKS, |
96 | LTTV_STATE_NAME_TABLES, |
97 | LTTV_STATE_TRACE_STATE_USE_COUNT; |
ba576a78 |
98 | |
f95bc830 |
99 | static void create_max_time(LttvTraceState *tcs); |
100 | |
101 | static void get_max_time(LttvTraceState *tcs); |
102 | |
103 | static void free_max_time(LttvTraceState *tcs); |
104 | |
105 | static void create_name_tables(LttvTraceState *tcs); |
106 | |
107 | static void get_name_tables(LttvTraceState *tcs); |
b445142a |
108 | |
109 | static void free_name_tables(LttvTraceState *tcs); |
110 | |
f95bc830 |
111 | static void free_saved_state(LttvTraceState *tcs); |
112 | |
308711e5 |
113 | static void lttv_state_free_process_table(GHashTable *processes); |
ba576a78 |
114 | |
dc877563 |
115 | |
308711e5 |
116 | void lttv_state_save(LttvTraceState *self, LttvAttribute *container) |
117 | { |
118 | LTTV_TRACE_STATE_GET_CLASS(self)->state_save(self, container); |
119 | } |
120 | |
121 | |
122 | void lttv_state_restore(LttvTraceState *self, LttvAttribute *container) |
123 | { |
124 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
125 | } |
126 | |
127 | |
2d262115 |
128 | void lttv_state_state_saved_free(LttvTraceState *self, |
308711e5 |
129 | LttvAttribute *container) |
130 | { |
f95bc830 |
131 | LTTV_TRACE_STATE_GET_CLASS(self)->state_saved_free(self, container); |
308711e5 |
132 | } |
133 | |
134 | |
2a2fa4f0 |
135 | guint process_hash(gconstpointer key) |
136 | { |
7893f726 |
137 | guint pid = ((const LttvProcessState *)key)->pid; |
138 | return (pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ; |
2a2fa4f0 |
139 | } |
140 | |
141 | |
1d1df11d |
142 | /* If the hash table hash function is well distributed, |
143 | * the process_equal should compare different pid */ |
2a2fa4f0 |
144 | gboolean process_equal(gconstpointer a, gconstpointer b) |
145 | { |
00e74b69 |
146 | const LttvProcessState *process_a, *process_b; |
1d1df11d |
147 | gboolean ret = TRUE; |
148 | |
00e74b69 |
149 | process_a = (const LttvProcessState *)a; |
150 | process_b = (const LttvProcessState *)b; |
1d1df11d |
151 | |
152 | if(likely(process_a->pid != process_b->pid)) ret = FALSE; |
153 | else if(likely(process_a->pid == 0 && |
154 | process_a->last_cpu != process_b->last_cpu)) ret = FALSE; |
2a2fa4f0 |
155 | |
1d1df11d |
156 | return ret; |
2a2fa4f0 |
157 | } |
158 | |
159 | |
308711e5 |
160 | static void |
161 | restore_init_state(LttvTraceState *self) |
162 | { |
dbb7bb09 |
163 | guint i, nb_tracefile; |
308711e5 |
164 | |
165 | LttvTracefileState *tfcs; |
166 | |
308711e5 |
167 | if(self->processes != NULL) lttv_state_free_process_table(self->processes); |
2a2fa4f0 |
168 | self->processes = g_hash_table_new(process_hash, process_equal); |
308711e5 |
169 | self->nb_event = 0; |
170 | |
eed2ef37 |
171 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
172 | |
dbb7bb09 |
173 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
174 | tfcs = |
cb03932a |
175 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
176 | LttvTracefileContext*, i)); |
d3e01c7a |
177 | ltt_trace_time_span_get(self->parent.t, &tfcs->parent.timestamp, NULL); |
eed2ef37 |
178 | // tfcs->saved_position = 0; |
2a2fa4f0 |
179 | tfcs->process = lttv_state_create_process(tfcs, NULL,0); |
180 | tfcs->process->state->s = LTTV_STATE_RUN; |
181 | tfcs->process->last_cpu = tfcs->cpu_name; |
ac4e21cf |
182 | tfcs->process->last_cpu_index = ((LttvTracefileContext*)tfcs)->index; |
308711e5 |
183 | } |
184 | } |
185 | |
2a2fa4f0 |
186 | static LttTime time_zero = {0,0}; |
308711e5 |
187 | |
dc877563 |
188 | static void |
189 | init(LttvTracesetState *self, LttvTraceset *ts) |
190 | { |
dbb7bb09 |
191 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
192 | |
ffd54a90 |
193 | LttvTraceContext *tc; |
dc877563 |
194 | |
ffd54a90 |
195 | LttvTraceState *tcs; |
196 | |
ffd54a90 |
197 | LttvTracefileState *tfcs; |
3d27549e |
198 | |
dbb7bb09 |
199 | LttvAttributeValue v; |
200 | |
b445142a |
201 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
202 | init((LttvTracesetContext *)self, ts); |
dc877563 |
203 | |
204 | nb_trace = lttv_traceset_number(ts); |
205 | for(i = 0 ; i < nb_trace ; i++) { |
b445142a |
206 | tc = self->parent.traces[i]; |
207 | tcs = (LttvTraceState *)tc; |
eed2ef37 |
208 | tcs->save_interval = LTTV_STATE_SAVE_INTERVAL; |
f95bc830 |
209 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
210 | LTTV_UINT, &v); |
211 | (*v.v_uint)++; |
dbb7bb09 |
212 | |
f95bc830 |
213 | if(*(v.v_uint) == 1) { |
214 | create_name_tables(tcs); |
215 | create_max_time(tcs); |
216 | } |
217 | get_name_tables(tcs); |
218 | get_max_time(tcs); |
dc877563 |
219 | |
eed2ef37 |
220 | nb_tracefile = tc->tracefiles->len; |
dbb7bb09 |
221 | |
dc877563 |
222 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
223 | tfcs = |
cb03932a |
224 | LTTV_TRACEFILE_STATE(g_array_index(tc->tracefiles, |
225 | LttvTracefileContext*, j)); |
eed2ef37 |
226 | tfcs->cpu_name = ltt_tracefile_name(tfcs->parent.tf); |
dc877563 |
227 | } |
308711e5 |
228 | tcs->processes = NULL; |
229 | restore_init_state(tcs); |
dc877563 |
230 | } |
231 | } |
232 | |
233 | |
234 | static void |
235 | fini(LttvTracesetState *self) |
236 | { |
00e74b69 |
237 | guint i, nb_trace; |
dc877563 |
238 | |
ffd54a90 |
239 | LttvTraceState *tcs; |
dc877563 |
240 | |
ffd54a90 |
241 | LttvTracefileState *tfcs; |
dc877563 |
242 | |
f95bc830 |
243 | LttvAttributeValue v; |
244 | |
ffd54a90 |
245 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
dc877563 |
246 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
247 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
f95bc830 |
248 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
249 | LTTV_UINT, &v); |
00e74b69 |
250 | |
251 | g_assert(*(v.v_uint) != 0); |
f95bc830 |
252 | (*v.v_uint)--; |
253 | |
f95bc830 |
254 | if(*(v.v_uint) == 0) { |
255 | free_name_tables(tcs); |
256 | free_max_time(tcs); |
257 | free_saved_state(tcs); |
258 | } |
308711e5 |
259 | lttv_state_free_process_table(tcs->processes); |
260 | tcs->processes = NULL; |
dc877563 |
261 | } |
b445142a |
262 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
263 | fini((LttvTracesetContext *)self); |
dc877563 |
264 | } |
265 | |
266 | |
c432246e |
267 | static LttvTracesetContext * |
dc877563 |
268 | new_traceset_context(LttvTracesetContext *self) |
269 | { |
ffd54a90 |
270 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
dc877563 |
271 | } |
272 | |
273 | |
c432246e |
274 | static LttvTraceContext * |
dc877563 |
275 | new_trace_context(LttvTracesetContext *self) |
276 | { |
ffd54a90 |
277 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
dc877563 |
278 | } |
279 | |
280 | |
c432246e |
281 | static LttvTracefileContext * |
dc877563 |
282 | new_tracefile_context(LttvTracesetContext *self) |
283 | { |
ffd54a90 |
284 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
285 | } |
286 | |
287 | |
dbb7bb09 |
288 | /* Write the process state of the trace */ |
289 | |
290 | static void write_process_state(gpointer key, gpointer value, |
291 | gpointer user_data) |
292 | { |
293 | LttvProcessState *process; |
294 | |
295 | LttvExecutionState *es; |
296 | |
297 | FILE *fp = (FILE *)user_data; |
298 | |
299 | guint i; |
300 | |
301 | process = (LttvProcessState *)value; |
302 | fprintf(fp, |
f95bc830 |
303 | " <PROCESS CORE=%p PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%s\">\n", |
304 | process, process->pid, process->ppid, process->creation_time.tv_sec, |
dbb7bb09 |
305 | process->creation_time.tv_nsec, g_quark_to_string(process->name), |
306 | g_quark_to_string(process->last_cpu)); |
307 | |
308 | for(i = 0 ; i < process->execution_stack->len; i++) { |
309 | es = &g_array_index(process->execution_stack, LttvExecutionState, i); |
310 | fprintf(fp, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu", |
311 | g_quark_to_string(es->t), g_quark_to_string(es->n), |
312 | es->entry.tv_sec, es->entry.tv_nsec); |
313 | fprintf(fp, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n", |
314 | es->change.tv_sec, es->change.tv_nsec, g_quark_to_string(es->s)); |
315 | } |
316 | fprintf(fp, " </PROCESS>\n"); |
317 | } |
318 | |
319 | |
320 | void lttv_state_write(LttvTraceState *self, LttTime t, FILE *fp) |
321 | { |
eed2ef37 |
322 | guint i, nb_tracefile, nb_block, offset; |
323 | guint64 tsc; |
dbb7bb09 |
324 | |
325 | LttvTracefileState *tfcs; |
326 | |
327 | LttTracefile *tf; |
328 | |
329 | LttEventPosition *ep; |
330 | |
331 | ep = ltt_event_position_new(); |
332 | |
333 | fprintf(fp,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t.tv_sec, t.tv_nsec); |
334 | |
335 | g_hash_table_foreach(self->processes, write_process_state, fp); |
336 | |
eed2ef37 |
337 | nb_tracefile = self->parent.tracefiles->len; |
dbb7bb09 |
338 | |
339 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
340 | tfcs = |
cb03932a |
341 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
342 | LttvTracefileContext*, i)); |
08b1c66e |
343 | fprintf(fp, " <TRACEFILE PID=%u TIMESTAMP_S=%lu TIMESTAMP_NS=%lu", |
344 | tfcs->process->pid, tfcs->parent.timestamp.tv_sec, |
345 | tfcs->parent.timestamp.tv_nsec); |
eed2ef37 |
346 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
347 | if(e == NULL) fprintf(fp,"/>\n"); |
dbb7bb09 |
348 | else { |
eed2ef37 |
349 | ltt_event_position(e, ep); |
350 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
27304273 |
351 | fprintf(fp, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block, offset, |
eed2ef37 |
352 | tsc); |
dbb7bb09 |
353 | } |
354 | } |
355 | g_free(ep); |
356 | fprintf(fp,"</PROCESS_STATE>"); |
357 | } |
358 | |
359 | |
360 | /* Copy each process from an existing hash table to a new one */ |
361 | |
308711e5 |
362 | static void copy_process_state(gpointer key, gpointer value,gpointer user_data) |
ffd54a90 |
363 | { |
308711e5 |
364 | LttvProcessState *process, *new_process; |
ffd54a90 |
365 | |
308711e5 |
366 | GHashTable *new_processes = (GHashTable *)user_data; |
ffd54a90 |
367 | |
308711e5 |
368 | guint i; |
369 | |
370 | process = (LttvProcessState *)value; |
371 | new_process = g_new(LttvProcessState, 1); |
372 | *new_process = *process; |
e8f2280c |
373 | new_process->execution_stack = g_array_sized_new(FALSE, FALSE, |
374 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
308711e5 |
375 | g_array_set_size(new_process->execution_stack,process->execution_stack->len); |
376 | for(i = 0 ; i < process->execution_stack->len; i++) { |
377 | g_array_index(new_process->execution_stack, LttvExecutionState, i) = |
378 | g_array_index(process->execution_stack, LttvExecutionState, i); |
379 | } |
380 | new_process->state = &g_array_index(new_process->execution_stack, |
381 | LttvExecutionState, new_process->execution_stack->len - 1); |
2a2fa4f0 |
382 | g_hash_table_insert(new_processes, new_process, new_process); |
ffd54a90 |
383 | } |
384 | |
385 | |
308711e5 |
386 | static GHashTable *lttv_state_copy_process_table(GHashTable *processes) |
ffd54a90 |
387 | { |
2a2fa4f0 |
388 | GHashTable *new_processes = g_hash_table_new(process_hash, process_equal); |
ffd54a90 |
389 | |
308711e5 |
390 | g_hash_table_foreach(processes, copy_process_state, new_processes); |
391 | return new_processes; |
dc877563 |
392 | } |
393 | |
394 | |
308711e5 |
395 | /* The saved state for each trace contains a member "processes", which |
396 | stores a copy of the process table, and a member "tracefiles" with |
397 | one entry per tracefile. Each tracefile has a "process" member pointing |
398 | to the current process and a "position" member storing the tracefile |
399 | position (needed to seek to the current "next" event. */ |
400 | |
401 | static void state_save(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
402 | { |
dbb7bb09 |
403 | guint i, nb_tracefile; |
dc877563 |
404 | |
308711e5 |
405 | LttvTracefileState *tfcs; |
406 | |
407 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
408 | |
409 | LttvAttributeType type; |
410 | |
411 | LttvAttributeValue value; |
412 | |
413 | LttvAttributeName name; |
414 | |
415 | LttEventPosition *ep; |
416 | |
417 | tracefiles_tree = lttv_attribute_find_subdir(container, |
418 | LTTV_STATE_TRACEFILES); |
419 | |
420 | value = lttv_attribute_add(container, LTTV_STATE_PROCESSES, |
421 | LTTV_POINTER); |
422 | *(value.v_pointer) = lttv_state_copy_process_table(self->processes); |
423 | |
eed2ef37 |
424 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
425 | |
426 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
427 | tfcs = |
cb03932a |
428 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
429 | LttvTracefileContext*, i)); |
308711e5 |
430 | tracefile_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
431 | value = lttv_attribute_add(tracefiles_tree, i, |
432 | LTTV_GOBJECT); |
433 | *(value.v_gobject) = (GObject *)tracefile_tree; |
434 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_PROCESS, |
435 | LTTV_UINT); |
436 | *(value.v_uint) = tfcs->process->pid; |
437 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_EVENT, |
438 | LTTV_POINTER); |
eed2ef37 |
439 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
440 | if(e == NULL) *(value.v_pointer) = NULL; |
308711e5 |
441 | else { |
a5dcde2f |
442 | ep = ltt_event_position_new(); |
eed2ef37 |
443 | ltt_event_position(e, ep); |
308711e5 |
444 | *(value.v_pointer) = ep; |
08b1c66e |
445 | |
eed2ef37 |
446 | guint nb_block, offset; |
447 | guint64 tsc; |
08b1c66e |
448 | LttTracefile *tf; |
eed2ef37 |
449 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
27304273 |
450 | g_debug("Block %u offset %u tsc %llu time %lu.%lu", nb_block, offset, |
eed2ef37 |
451 | tsc, |
08b1c66e |
452 | tfcs->parent.timestamp.tv_sec, tfcs->parent.timestamp.tv_nsec); |
308711e5 |
453 | } |
dc877563 |
454 | } |
dc877563 |
455 | } |
456 | |
457 | |
308711e5 |
458 | static void state_restore(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
459 | { |
dbb7bb09 |
460 | guint i, nb_tracefile, pid; |
dc877563 |
461 | |
308711e5 |
462 | LttvTracefileState *tfcs; |
dc877563 |
463 | |
308711e5 |
464 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
465 | |
308711e5 |
466 | LttvAttributeType type; |
dc877563 |
467 | |
308711e5 |
468 | LttvAttributeValue value; |
dc877563 |
469 | |
308711e5 |
470 | LttvAttributeName name; |
dc877563 |
471 | |
308711e5 |
472 | LttEventPosition *ep; |
dc877563 |
473 | |
27304273 |
474 | LttvTracesetContext *tsc = self->parent.ts_context; |
475 | |
308711e5 |
476 | tracefiles_tree = lttv_attribute_find_subdir(container, |
477 | LTTV_STATE_TRACEFILES); |
dc877563 |
478 | |
308711e5 |
479 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
480 | &value); |
481 | g_assert(type == LTTV_POINTER); |
482 | lttv_state_free_process_table(self->processes); |
483 | self->processes = lttv_state_copy_process_table(*(value.v_pointer)); |
484 | |
eed2ef37 |
485 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
486 | |
487 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
488 | tfcs = |
cb03932a |
489 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
490 | LttvTracefileContext*, i)); |
308711e5 |
491 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
492 | g_assert(type == LTTV_GOBJECT); |
493 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
494 | |
495 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_PROCESS, |
496 | &value); |
497 | g_assert(type == LTTV_UINT); |
2a2fa4f0 |
498 | pid = *(value.v_uint); |
499 | tfcs->process = lttv_state_find_process_or_create(tfcs, pid); |
500 | |
308711e5 |
501 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
502 | &value); |
503 | g_assert(type == LTTV_POINTER); |
eed2ef37 |
504 | g_assert(*(value.v_pointer) != NULL); |
505 | ep = *(value.v_pointer); |
506 | g_assert(tfcs->parent.t_context != NULL); |
27304273 |
507 | |
508 | g_tree_destroy(tsc->pqueue); |
509 | tsc->pqueue = g_tree_new(compare_tracefile); |
510 | |
511 | LttvTracefileContext *tfc = LTTV_TRACEFILE_CONTEXT(tfcs); |
512 | |
513 | g_assert(ltt_tracefile_seek_position(tfc->tf, ep) == 0); |
514 | tfc->timestamp = ltt_event_time(ltt_tracefile_get_event(tfc->tf)); |
515 | g_tree_insert(tsc->pqueue, tfc, tfc); |
dc877563 |
516 | } |
dc877563 |
517 | } |
518 | |
519 | |
308711e5 |
520 | static void state_saved_free(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
521 | { |
dbb7bb09 |
522 | guint i, nb_tracefile; |
dc877563 |
523 | |
308711e5 |
524 | LttvTracefileState *tfcs; |
dc877563 |
525 | |
308711e5 |
526 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
527 | |
308711e5 |
528 | LttvAttributeType type; |
dc877563 |
529 | |
308711e5 |
530 | LttvAttributeValue value; |
dc877563 |
531 | |
308711e5 |
532 | LttvAttributeName name; |
dc877563 |
533 | |
308711e5 |
534 | LttEventPosition *ep; |
dc877563 |
535 | |
308711e5 |
536 | tracefiles_tree = lttv_attribute_find_subdir(container, |
537 | LTTV_STATE_TRACEFILES); |
c47a6dc6 |
538 | g_object_ref(G_OBJECT(tracefiles_tree)); |
308711e5 |
539 | lttv_attribute_remove_by_name(container, LTTV_STATE_TRACEFILES); |
dc877563 |
540 | |
308711e5 |
541 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
542 | &value); |
543 | g_assert(type == LTTV_POINTER); |
544 | lttv_state_free_process_table(*(value.v_pointer)); |
545 | *(value.v_pointer) = NULL; |
546 | lttv_attribute_remove_by_name(container, LTTV_STATE_PROCESSES); |
547 | |
eed2ef37 |
548 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
549 | |
550 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
551 | tfcs = |
cb03932a |
552 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
553 | LttvTracefileContext*, i)); |
308711e5 |
554 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
555 | g_assert(type == LTTV_GOBJECT); |
556 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
557 | |
558 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
559 | &value); |
560 | g_assert(type == LTTV_POINTER); |
561 | if(*(value.v_pointer) != NULL) g_free(*(value.v_pointer)); |
dc877563 |
562 | } |
c47a6dc6 |
563 | g_object_unref(G_OBJECT(tracefiles_tree)); |
dc877563 |
564 | } |
565 | |
566 | |
f95bc830 |
567 | static void free_saved_state(LttvTraceState *self) |
568 | { |
569 | guint i, nb; |
570 | |
571 | LttvAttributeType type; |
572 | |
573 | LttvAttributeValue value; |
574 | |
575 | LttvAttributeName name; |
576 | |
577 | LttvAttribute *saved_states; |
578 | |
579 | saved_states = lttv_attribute_find_subdir(self->parent.t_a, |
580 | LTTV_STATE_SAVED_STATES); |
581 | |
582 | nb = lttv_attribute_get_number(saved_states); |
583 | for(i = 0 ; i < nb ; i++) { |
584 | type = lttv_attribute_get(saved_states, i, &name, &value); |
585 | g_assert(type == LTTV_GOBJECT); |
586 | state_saved_free(self, *((LttvAttribute **)value.v_gobject)); |
587 | } |
588 | |
589 | lttv_attribute_remove_by_name(self->parent.t_a, LTTV_STATE_SAVED_STATES); |
f95bc830 |
590 | } |
591 | |
592 | |
593 | static void |
594 | create_max_time(LttvTraceState *tcs) |
595 | { |
596 | LttvAttributeValue v; |
597 | |
598 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
599 | LTTV_POINTER, &v); |
600 | g_assert(*(v.v_pointer) == NULL); |
601 | *(v.v_pointer) = g_new(LttTime,1); |
602 | *((LttTime *)*(v.v_pointer)) = time_zero; |
603 | } |
604 | |
605 | |
606 | static void |
607 | get_max_time(LttvTraceState *tcs) |
608 | { |
609 | LttvAttributeValue v; |
610 | |
611 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
612 | LTTV_POINTER, &v); |
613 | g_assert(*(v.v_pointer) != NULL); |
614 | tcs->max_time_state_recomputed_in_seek = (LttTime *)*(v.v_pointer); |
615 | } |
616 | |
617 | |
618 | static void |
619 | free_max_time(LttvTraceState *tcs) |
620 | { |
621 | LttvAttributeValue v; |
622 | |
623 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
624 | LTTV_POINTER, &v); |
625 | g_free(*(v.v_pointer)); |
626 | *(v.v_pointer) = NULL; |
627 | } |
628 | |
629 | |
630 | typedef struct _LttvNameTables { |
eed2ef37 |
631 | // FIXME GQuark *eventtype_names; |
f95bc830 |
632 | GQuark *syscall_names; |
633 | GQuark *trap_names; |
634 | GQuark *irq_names; |
635 | } LttvNameTables; |
636 | |
637 | |
b445142a |
638 | static void |
f95bc830 |
639 | create_name_tables(LttvTraceState *tcs) |
b445142a |
640 | { |
641 | int i, nb; |
dc877563 |
642 | |
eed2ef37 |
643 | GQuark f_name, e_name; |
644 | |
645 | LttvTraceHook *h; |
dc877563 |
646 | |
eed2ef37 |
647 | LttvTraceHookByFacility *thf; |
b445142a |
648 | |
649 | LttEventType *et; |
650 | |
651 | LttType *t; |
652 | |
653 | GString *fe_name = g_string_new(""); |
654 | |
f95bc830 |
655 | LttvNameTables *name_tables = g_new(LttvNameTables, 1); |
656 | |
657 | LttvAttributeValue v; |
658 | |
659 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
660 | LTTV_POINTER, &v); |
661 | g_assert(*(v.v_pointer) == NULL); |
662 | *(v.v_pointer) = name_tables; |
eed2ef37 |
663 | #if 0 // Use iteration over the facilities_by_name and then list all event |
664 | // types of each facility |
b445142a |
665 | nb = ltt_trace_eventtype_number(tcs->parent.t); |
f95bc830 |
666 | name_tables->eventtype_names = g_new(GQuark, nb); |
b445142a |
667 | for(i = 0 ; i < nb ; i++) { |
668 | et = ltt_trace_eventtype_get(tcs->parent.t, i); |
669 | e_name = ltt_eventtype_name(et); |
670 | f_name = ltt_facility_name(ltt_eventtype_facility(et)); |
671 | g_string_printf(fe_name, "%s.%s", f_name, e_name); |
f95bc830 |
672 | name_tables->eventtype_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
673 | } |
eed2ef37 |
674 | #endif //0 |
675 | if(lttv_trace_find_hook(tcs->parent.t, |
676 | LTT_FACILITY_KERNEL, LTT_EVENT_SYSCALL_ENTRY, |
677 | LTT_FIELD_SYSCALL_ID, 0, 0, |
678 | NULL, h)) |
679 | return; |
680 | |
681 | thf = lttv_trace_hook_get_first(h); |
682 | |
683 | t = ltt_field_type(thf->f1); |
b445142a |
684 | nb = ltt_type_element_number(t); |
eed2ef37 |
685 | |
686 | lttv_trace_hook_destroy(h); |
b445142a |
687 | |
eed2ef37 |
688 | /* CHECK syscalls should be an enum but currently are not! |
f95bc830 |
689 | name_tables->syscall_names = g_new(GQuark, nb); |
b445142a |
690 | |
691 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
692 | name_tables->syscall_names[i] = g_quark_from_string( |
693 | ltt_enum_string_get(t, i)); |
b445142a |
694 | } |
695 | */ |
696 | |
f95bc830 |
697 | name_tables->syscall_names = g_new(GQuark, 256); |
b445142a |
698 | for(i = 0 ; i < 256 ; i++) { |
699 | g_string_printf(fe_name, "syscall %d", i); |
f95bc830 |
700 | name_tables->syscall_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
701 | } |
702 | |
eed2ef37 |
703 | if(lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL, |
704 | LTT_EVENT_TRAP_ENTRY, |
705 | LTT_FIELD_TRAP_ID, 0, 0, |
706 | NULL, h)) |
707 | return; |
708 | |
709 | thf = lttv_trace_hook_get_first(h); |
710 | |
711 | t = ltt_field_type(thf->f1); |
b445142a |
712 | nb = ltt_type_element_number(t); |
713 | |
eed2ef37 |
714 | lttv_trace_hook_destroy(h); |
715 | |
b445142a |
716 | /* |
f95bc830 |
717 | name_tables->trap_names = g_new(GQuark, nb); |
b445142a |
718 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
719 | name_tables->trap_names[i] = g_quark_from_string( |
720 | ltt_enum_string_get(t, i)); |
b445142a |
721 | } |
722 | */ |
723 | |
f95bc830 |
724 | name_tables->trap_names = g_new(GQuark, 256); |
b445142a |
725 | for(i = 0 ; i < 256 ; i++) { |
726 | g_string_printf(fe_name, "trap %d", i); |
f95bc830 |
727 | name_tables->trap_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
728 | } |
729 | |
eed2ef37 |
730 | if(lttv_trace_find_hook(tcs->parent.t, |
731 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
732 | LTT_FIELD_IRQ_ID, 0, 0, |
733 | NULL, h)) |
734 | return; |
735 | |
736 | thf = lttv_trace_hook_get_first(h); |
737 | |
738 | t = ltt_field_type(thf->f1); |
b445142a |
739 | nb = ltt_type_element_number(t); |
740 | |
eed2ef37 |
741 | lttv_trace_hook_destroy(h); |
742 | |
b445142a |
743 | /* |
f95bc830 |
744 | name_tables->irq_names = g_new(GQuark, nb); |
b445142a |
745 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
746 | name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
b445142a |
747 | } |
748 | */ |
749 | |
f95bc830 |
750 | name_tables->irq_names = g_new(GQuark, 256); |
b445142a |
751 | for(i = 0 ; i < 256 ; i++) { |
752 | g_string_printf(fe_name, "irq %d", i); |
f95bc830 |
753 | name_tables->irq_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
754 | } |
755 | |
756 | g_string_free(fe_name, TRUE); |
757 | } |
758 | |
759 | |
f95bc830 |
760 | static void |
761 | get_name_tables(LttvTraceState *tcs) |
762 | { |
763 | LttvNameTables *name_tables; |
764 | |
765 | LttvAttributeValue v; |
766 | |
767 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
768 | LTTV_POINTER, &v); |
769 | g_assert(*(v.v_pointer) != NULL); |
770 | name_tables = (LttvNameTables *)*(v.v_pointer); |
eed2ef37 |
771 | //tcs->eventtype_names = name_tables->eventtype_names; |
f95bc830 |
772 | tcs->syscall_names = name_tables->syscall_names; |
773 | tcs->trap_names = name_tables->trap_names; |
774 | tcs->irq_names = name_tables->irq_names; |
775 | } |
776 | |
777 | |
b445142a |
778 | static void |
779 | free_name_tables(LttvTraceState *tcs) |
780 | { |
f95bc830 |
781 | LttvNameTables *name_tables; |
782 | |
783 | LttvAttributeValue v; |
784 | |
785 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
786 | LTTV_POINTER, &v); |
787 | name_tables = (LttvNameTables *)*(v.v_pointer); |
788 | *(v.v_pointer) = NULL; |
789 | |
eed2ef37 |
790 | // g_free(name_tables->eventtype_names); |
f95bc830 |
791 | g_free(name_tables->syscall_names); |
792 | g_free(name_tables->trap_names); |
793 | g_free(name_tables->irq_names); |
794 | g_free(name_tables); |
b445142a |
795 | } |
dc877563 |
796 | |
b445142a |
797 | |
798 | static void push_state(LttvTracefileState *tfs, LttvExecutionMode t, |
ffd54a90 |
799 | guint state_id) |
dc877563 |
800 | { |
b445142a |
801 | LttvExecutionState *es; |
dc877563 |
802 | |
803 | LttvProcessState *process = tfs->process; |
804 | |
b445142a |
805 | guint depth = process->execution_stack->len; |
dc877563 |
806 | |
b445142a |
807 | g_array_set_size(process->execution_stack, depth + 1); |
808 | es = &g_array_index(process->execution_stack, LttvExecutionState, depth); |
809 | es->t = t; |
810 | es->n = state_id; |
811 | es->entry = es->change = tfs->parent.timestamp; |
812 | es->s = process->state->s; |
813 | process->state = es; |
dc877563 |
814 | } |
815 | |
816 | |
b445142a |
817 | static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t) |
dc877563 |
818 | { |
819 | LttvProcessState *process = tfs->process; |
820 | |
f95bc830 |
821 | guint depth = process->execution_stack->len; |
dc877563 |
822 | |
3d27549e |
823 | if(process->state->t != t){ |
00e74b69 |
824 | g_info("Different execution mode type (%lu.%09lu): ignore it\n", |
b445142a |
825 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
08b1c66e |
826 | g_info("process state has %s when pop_int is %s\n", |
8e8e6b64 |
827 | g_quark_to_string(process->state->t), |
828 | g_quark_to_string(t)); |
08b1c66e |
829 | g_info("{ %u, %u, %s, %s }\n", |
8e8e6b64 |
830 | process->pid, |
831 | process->ppid, |
832 | g_quark_to_string(process->name), |
833 | g_quark_to_string(process->state->s)); |
3d27549e |
834 | return; |
835 | } |
b445142a |
836 | |
f95bc830 |
837 | if(depth == 1){ |
00e74b69 |
838 | g_info("Trying to pop last state on stack (%lu.%09lu): ignore it\n", |
b445142a |
839 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
840 | return; |
841 | } |
842 | |
f95bc830 |
843 | g_array_set_size(process->execution_stack, depth - 1); |
b445142a |
844 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
f95bc830 |
845 | depth - 2); |
b445142a |
846 | process->state->change = tfs->parent.timestamp; |
dc877563 |
847 | } |
848 | |
849 | |
2a2fa4f0 |
850 | LttvProcessState * |
851 | lttv_state_create_process(LttvTracefileState *tfs, LttvProcessState *parent, |
852 | guint pid) |
dc877563 |
853 | { |
854 | LttvProcessState *process = g_new(LttvProcessState, 1); |
855 | |
b445142a |
856 | LttvExecutionState *es; |
dc877563 |
857 | |
ffd54a90 |
858 | LttvTraceContext *tc; |
859 | |
ba576a78 |
860 | LttvTraceState *tcs; |
861 | |
b445142a |
862 | char buffer[128]; |
ffd54a90 |
863 | |
a5ba1787 |
864 | tc = tfs->parent.t_context; |
865 | tcs = (LttvTraceState *)tc; |
60b53e4f |
866 | |
dc877563 |
867 | process->pid = pid; |
2a2fa4f0 |
868 | process->last_cpu = tfs->cpu_name; |
ac4e21cf |
869 | process->last_cpu_index = ((LttvTracefileContext*)tfs)->index; |
cb03932a |
870 | g_info("Process %u, core %p", process->pid, process); |
2a2fa4f0 |
871 | g_hash_table_insert(tcs->processes, process, process); |
b445142a |
872 | |
873 | if(parent) { |
874 | process->ppid = parent->pid; |
875 | process->name = parent->name; |
2a2fa4f0 |
876 | process->creation_time = tfs->parent.timestamp; |
b445142a |
877 | } |
2a2fa4f0 |
878 | |
879 | /* No parent. This process exists but we are missing all information about |
880 | its creation. The birth time is set to zero but we remember the time of |
881 | insertion */ |
882 | |
b445142a |
883 | else { |
884 | process->ppid = 0; |
885 | process->name = LTTV_STATE_UNNAMED; |
2a2fa4f0 |
886 | process->creation_time = ltt_time_zero; |
b445142a |
887 | } |
888 | |
2a2fa4f0 |
889 | process->insertion_time = tfs->parent.timestamp; |
b445142a |
890 | sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec, |
891 | process->creation_time.tv_nsec); |
892 | process->pid_time = g_quark_from_string(buffer); |
2a2fa4f0 |
893 | process->last_cpu = tfs->cpu_name; |
ac4e21cf |
894 | process->last_cpu_index = ((LttvTracefileContext*)tfs)->index; |
e8f2280c |
895 | process->execution_stack = g_array_sized_new(FALSE, FALSE, |
896 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
b445142a |
897 | g_array_set_size(process->execution_stack, 1); |
898 | es = process->state = &g_array_index(process->execution_stack, |
899 | LttvExecutionState, 0); |
900 | es->t = LTTV_STATE_USER_MODE; |
901 | es->n = LTTV_STATE_SUBMODE_NONE; |
902 | es->entry = tfs->parent.timestamp; |
d3e01c7a |
903 | g_assert(tfs->parent.timestamp.tv_sec != 0); |
b445142a |
904 | es->change = tfs->parent.timestamp; |
905 | es->s = LTTV_STATE_WAIT_FORK; |
cbe7c836 |
906 | |
907 | return process; |
dc877563 |
908 | } |
909 | |
41c7f803 |
910 | LttvProcessState *lttv_state_find_process(LttvTracefileState *tfs, |
911 | guint pid) |
dc877563 |
912 | { |
2a2fa4f0 |
913 | LttvProcessState key; |
914 | LttvProcessState *process; |
915 | |
41c7f803 |
916 | LttvTraceState* ts = (LttvTraceState*)tfs->parent.t_context; |
917 | |
2a2fa4f0 |
918 | key.pid = pid; |
41c7f803 |
919 | key.last_cpu = tfs->cpu_name; |
2a2fa4f0 |
920 | process = g_hash_table_lookup(ts->processes, &key); |
dc877563 |
921 | return process; |
922 | } |
923 | |
2a2fa4f0 |
924 | LttvProcessState * |
925 | lttv_state_find_process_or_create(LttvTracefileState *tfs, guint pid) |
926 | { |
927 | LttvProcessState *process = lttv_state_find_process(tfs, pid); |
928 | |
1d1df11d |
929 | if(unlikely(process == NULL)) process = lttv_state_create_process(tfs, NULL, pid); |
2a2fa4f0 |
930 | return process; |
931 | } |
932 | |
41c7f803 |
933 | /* FIXME : this function should be called when we receive an event telling that |
934 | * release_task has been called in the kernel. In happens generally when |
935 | * the parent waits for its child terminaison, but may also happen in special |
936 | * cases in the child's exit : when the parent ignores its children SIGCCHLD or |
937 | * has the flag SA_NOCLDWAIT. It can also happen when the child is part |
938 | * of a killed thread ground, but isn't the leader. |
41c7f803 |
939 | */ |
b445142a |
940 | static void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
dc877563 |
941 | { |
ba576a78 |
942 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
2a2fa4f0 |
943 | LttvProcessState key; |
ba576a78 |
944 | |
2a2fa4f0 |
945 | key.pid = process->pid; |
946 | key.last_cpu = process->last_cpu; |
947 | g_hash_table_remove(ts->processes, &key); |
b445142a |
948 | g_array_free(process->execution_stack, TRUE); |
dc877563 |
949 | g_free(process); |
950 | } |
951 | |
952 | |
b445142a |
953 | static void free_process_state(gpointer key, gpointer value,gpointer user_data) |
dc877563 |
954 | { |
b445142a |
955 | g_array_free(((LttvProcessState *)value)->execution_stack, TRUE); |
dc877563 |
956 | g_free(value); |
957 | } |
958 | |
959 | |
308711e5 |
960 | static void lttv_state_free_process_table(GHashTable *processes) |
dc877563 |
961 | { |
962 | g_hash_table_foreach(processes, free_process_state, NULL); |
308711e5 |
963 | g_hash_table_destroy(processes); |
dc877563 |
964 | } |
965 | |
966 | |
b445142a |
967 | static gboolean syscall_entry(void *hook_data, void *call_data) |
dc877563 |
968 | { |
ba576a78 |
969 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
970 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
971 | LttvTraceHookByFacility *thf = |
972 | lttv_trace_hook_get_fac((LttvTraceHook *)hook_data, |
973 | ltt_event_facility_id(e)); |
974 | LttField *f = thf->f1; |
dc877563 |
975 | |
b445142a |
976 | LttvExecutionSubmode submode; |
977 | |
978 | submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[ |
eed2ef37 |
979 | ltt_event_get_unsigned(e, f)]; |
b445142a |
980 | push_state(s, LTTV_STATE_SYSCALL, submode); |
dc877563 |
981 | return FALSE; |
982 | } |
983 | |
984 | |
b445142a |
985 | static gboolean syscall_exit(void *hook_data, void *call_data) |
dc877563 |
986 | { |
ba576a78 |
987 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
988 | |
ffd54a90 |
989 | pop_state(s, LTTV_STATE_SYSCALL); |
dc877563 |
990 | return FALSE; |
991 | } |
992 | |
993 | |
b445142a |
994 | static gboolean trap_entry(void *hook_data, void *call_data) |
dc877563 |
995 | { |
ba576a78 |
996 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
997 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
998 | LttvTraceHookByFacility *thf = |
999 | lttv_trace_hook_get_fac((LttvTraceHook *)hook_data, |
1000 | ltt_event_facility_id(e)); |
1001 | LttField *f = thf->f1; |
dc877563 |
1002 | |
b445142a |
1003 | LttvExecutionSubmode submode; |
1004 | |
1005 | submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[ |
eed2ef37 |
1006 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1007 | push_state(s, LTTV_STATE_TRAP, submode); |
dc877563 |
1008 | return FALSE; |
1009 | } |
1010 | |
1011 | |
b445142a |
1012 | static gboolean trap_exit(void *hook_data, void *call_data) |
dc877563 |
1013 | { |
ba576a78 |
1014 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1015 | |
ffd54a90 |
1016 | pop_state(s, LTTV_STATE_TRAP); |
dc877563 |
1017 | return FALSE; |
1018 | } |
1019 | |
1020 | |
b445142a |
1021 | static gboolean irq_entry(void *hook_data, void *call_data) |
dc877563 |
1022 | { |
ba576a78 |
1023 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1024 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1025 | LttvTraceHookByFacility *thf = |
1026 | lttv_trace_hook_get_fac((LttvTraceHook *)hook_data, |
1027 | ltt_event_facility_id(e)); |
1028 | LttField *f = thf->f1; |
dc877563 |
1029 | |
b445142a |
1030 | LttvExecutionSubmode submode; |
1031 | |
1032 | submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[ |
eed2ef37 |
1033 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1034 | |
dc877563 |
1035 | /* Do something with the info about being in user or system mode when int? */ |
b445142a |
1036 | push_state(s, LTTV_STATE_IRQ, submode); |
dc877563 |
1037 | return FALSE; |
1038 | } |
1039 | |
1040 | |
b445142a |
1041 | static gboolean irq_exit(void *hook_data, void *call_data) |
dc877563 |
1042 | { |
ba576a78 |
1043 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1044 | |
ffd54a90 |
1045 | pop_state(s, LTTV_STATE_IRQ); |
dc877563 |
1046 | return FALSE; |
1047 | } |
1048 | |
1049 | |
b445142a |
1050 | static gboolean schedchange(void *hook_data, void *call_data) |
dc877563 |
1051 | { |
ba576a78 |
1052 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1053 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1054 | LttvTraceHookByFacility *thf = |
1055 | lttv_trace_hook_get_fac((LttvTraceHook *)hook_data, |
1056 | ltt_event_facility_id(e)); |
dc877563 |
1057 | guint pid_in, pid_out, state_out; |
1058 | |
eed2ef37 |
1059 | pid_out = ltt_event_get_unsigned(e, thf->f1); |
1060 | pid_in = ltt_event_get_unsigned(e, thf->f2); |
1061 | state_out = ltt_event_get_unsigned(e, thf->f3); |
b445142a |
1062 | |
1d1df11d |
1063 | if(likely(s->process != NULL)) { |
b445142a |
1064 | |
f95bc830 |
1065 | /* We could not know but it was not the idle process executing. |
1066 | This should only happen at the beginning, before the first schedule |
1067 | event, and when the initial information (current process for each CPU) |
1068 | is missing. It is not obvious how we could, after the fact, compensate |
1069 | the wrongly attributed statistics. */ |
1070 | |
1d1df11d |
1071 | if(unlikely(s->process->pid != pid_out)) { |
f95bc830 |
1072 | g_assert(s->process->pid == 0); |
1073 | } |
1074 | |
1d1df11d |
1075 | if(unlikely(s->process->state->s == LTTV_STATE_EXIT)) { |
dbd243b1 |
1076 | s->process->state->s = LTTV_STATE_ZOMBIE; |
1077 | } else { |
1d1df11d |
1078 | if(unlikely(state_out == 0)) s->process->state->s = LTTV_STATE_WAIT_CPU; |
41c7f803 |
1079 | else s->process->state->s = LTTV_STATE_WAIT; |
1080 | } /* FIXME : we do not remove process here, because the kernel |
1081 | * still has them : they may be zombies. We need to know |
1082 | * exactly when release_task is executed on the PID to |
0828099d |
1083 | * know when the zombie is destroyed. |
41c7f803 |
1084 | */ |
1085 | //else |
1086 | // exit_process(s, s->process); |
3d27549e |
1087 | |
b445142a |
1088 | s->process->state->change = s->parent.timestamp; |
dc877563 |
1089 | } |
2a2fa4f0 |
1090 | s->process = lttv_state_find_process_or_create(s, pid_in); |
ffd54a90 |
1091 | s->process->state->s = LTTV_STATE_RUN; |
2a2fa4f0 |
1092 | s->process->last_cpu = s->cpu_name; |
ac4e21cf |
1093 | s->process->last_cpu_index = ((LttvTracefileContext*)s)->index; |
b445142a |
1094 | s->process->state->change = s->parent.timestamp; |
dc877563 |
1095 | return FALSE; |
1096 | } |
1097 | |
eed2ef37 |
1098 | static gboolean process_fork(void *hook_data, void *call_data) |
dc877563 |
1099 | { |
eed2ef37 |
1100 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1101 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1102 | LttvTraceHookByFacility *thf = |
1103 | lttv_trace_hook_get_fac((LttvTraceHook *)hook_data, |
1104 | ltt_event_facility_id(e)); |
2cdc690b |
1105 | LttField *f; |
eed2ef37 |
1106 | guint parent_pid; |
2cdc690b |
1107 | guint child_pid; |
4ad73431 |
1108 | LttvProcessState *zombie_process; |
2cdc690b |
1109 | |
eed2ef37 |
1110 | /* Parent PID */ |
1111 | f = thf->f1; |
1112 | parent_pid = ltt_event_get_unsigned(e, f); |
1113 | |
2cdc690b |
1114 | /* Child PID */ |
eed2ef37 |
1115 | f = thf->f2; |
1116 | child_pid = ltt_event_get_unsigned(e, f); |
2cdc690b |
1117 | |
4ad73431 |
1118 | zombie_process = lttv_state_find_process(s, child_pid); |
dc877563 |
1119 | |
1d1df11d |
1120 | if(unlikely(zombie_process != NULL)) { |
4ad73431 |
1121 | /* Reutilisation of PID. Only now we are sure that the old PID |
eed2ef37 |
1122 | * has been released. FIXME : should know when release_task happens instead. |
4ad73431 |
1123 | */ |
1124 | exit_process(s, zombie_process); |
1125 | } |
dbd243b1 |
1126 | g_assert(s->process->pid != child_pid); |
eed2ef37 |
1127 | // FIXME : Add this test in the "known state" section |
1128 | // g_assert(s->process->pid == parent_pid); |
2a2fa4f0 |
1129 | lttv_state_create_process(s, s->process, child_pid); |
4ad73431 |
1130 | |
dc877563 |
1131 | return FALSE; |
1132 | } |
1133 | |
1134 | |
eed2ef37 |
1135 | static gboolean process_exit(void *hook_data, void *call_data) |
dc877563 |
1136 | { |
eed2ef37 |
1137 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1138 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1139 | LttvTraceHookByFacility *thf = |
1140 | lttv_trace_hook_get_fac((LttvTraceHook *)hook_data, |
1141 | ltt_event_facility_id(e)); |
1142 | LttField *f; |
1143 | guint pid; |
1144 | |
1145 | pid = ltt_event_get_unsigned(e, thf->f1); |
1146 | |
1147 | // FIXME : Add this test in the "known state" section |
1148 | // g_assert(s->process->pid == pid); |
1149 | |
1d1df11d |
1150 | if(likely(s->process != NULL)) { |
dbd243b1 |
1151 | s->process->state->s = LTTV_STATE_EXIT; |
2cdc690b |
1152 | } |
1153 | return FALSE; |
2cdc690b |
1154 | } |
1155 | |
eed2ef37 |
1156 | static gboolean process_free(void *hook_data, void *call_data) |
2da61677 |
1157 | { |
eed2ef37 |
1158 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1159 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1160 | LttvTraceHookByFacility *thf = |
1161 | lttv_trace_hook_get_fac((LttvTraceHook *)hook_data, |
1162 | ltt_event_facility_id(e)); |
2da61677 |
1163 | guint release_pid; |
1164 | LttvProcessState *process; |
1165 | |
1166 | /* PID of the process to release */ |
eed2ef37 |
1167 | release_pid = ltt_event_get_unsigned(e, thf->f1); |
2da61677 |
1168 | |
1169 | process = lttv_state_find_process(s, release_pid); |
1170 | |
1171 | if(likely(process != NULL)) { |
1172 | /* release_task is happening at kernel level : we can now safely release |
1173 | * the data structure of the process */ |
1174 | exit_process(s, process); |
1175 | } |
1176 | |
1177 | return FALSE; |
1178 | } |
1179 | |
58c88a41 |
1180 | gint lttv_state_hook_add_event_hooks(void *hook_data, void *call_data) |
1181 | { |
1182 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1183 | |
1184 | lttv_state_add_event_hooks(tss); |
1185 | |
1186 | return 0; |
1187 | } |
dc877563 |
1188 | |
308711e5 |
1189 | void lttv_state_add_event_hooks(LttvTracesetState *self) |
dc877563 |
1190 | { |
ba576a78 |
1191 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
1192 | |
eed2ef37 |
1193 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
1194 | |
ba576a78 |
1195 | LttvTraceState *ts; |
dc877563 |
1196 | |
ba576a78 |
1197 | LttvTracefileState *tfs; |
dc877563 |
1198 | |
dc877563 |
1199 | GArray *hooks; |
1200 | |
eed2ef37 |
1201 | LttvTraceHookByFacility *thf; |
1202 | |
1203 | LttvTraceHook *hook; |
dc877563 |
1204 | |
1205 | LttvAttributeValue val; |
1206 | |
ba576a78 |
1207 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
1208 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
1209 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
1210 | |
1211 | /* Find the eventtype id for the following events and register the |
1212 | associated by id hooks. */ |
1213 | |
eed2ef37 |
1214 | hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 10); |
1215 | g_array_set_size(hooks, 10); |
b445142a |
1216 | |
eed2ef37 |
1217 | lttv_trace_find_hook(ts->parent.t, |
1218 | LTT_FACILITY_KERNEL, LTT_EVENT_SYSCALL_ENTRY, |
1219 | LTT_FIELD_SYSCALL_ID, 0, 0, |
1220 | syscall_entry, &g_array_index(hooks, LttvTraceHook, 0)); |
cbe7c836 |
1221 | |
eed2ef37 |
1222 | lttv_trace_find_hook(ts->parent.t, |
1223 | LTT_FACILITY_KERNEL, LTT_EVENT_SYSCALL_EXIT, |
1224 | 0, 0, 0, |
1225 | syscall_exit, &g_array_index(hooks, LttvTraceHook, 1)); |
cbe7c836 |
1226 | |
eed2ef37 |
1227 | lttv_trace_find_hook(ts->parent.t, |
1228 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_ENTRY, |
1229 | LTT_FIELD_TRAP_ID, 0, 0, |
1230 | trap_entry, &g_array_index(hooks, LttvTraceHook, 2)); |
cbe7c836 |
1231 | |
eed2ef37 |
1232 | lttv_trace_find_hook(ts->parent.t, |
1233 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_EXIT, |
1234 | 0, 0, 0, |
b445142a |
1235 | trap_exit, &g_array_index(hooks, LttvTraceHook, 3)); |
cbe7c836 |
1236 | |
eed2ef37 |
1237 | lttv_trace_find_hook(ts->parent.t, |
1238 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
1239 | LTT_FIELD_IRQ_ID, 0, 0, |
1240 | irq_entry, &g_array_index(hooks, LttvTraceHook, 4)); |
cbe7c836 |
1241 | |
eed2ef37 |
1242 | lttv_trace_find_hook(ts->parent.t, |
1243 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_EXIT, |
1244 | 0, 0, 0, |
b445142a |
1245 | irq_exit, &g_array_index(hooks, LttvTraceHook, 5)); |
cbe7c836 |
1246 | |
eed2ef37 |
1247 | lttv_trace_find_hook(ts->parent.t, |
1248 | LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE, |
1249 | LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE, |
1250 | schedchange, &g_array_index(hooks, LttvTraceHook, 6)); |
cbe7c836 |
1251 | |
eed2ef37 |
1252 | lttv_trace_find_hook(ts->parent.t, |
1253 | LTT_FACILITY_PROCESS, LTT_EVENT_FORK, |
1254 | LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, 0, |
1255 | process_fork, &g_array_index(hooks, LttvTraceHook, 7)); |
1256 | |
1257 | lttv_trace_find_hook(ts->parent.t, |
1258 | LTT_FACILITY_PROCESS, LTT_EVENT_EXIT, |
1259 | LTT_FIELD_PID, 0, 0, |
1260 | process_exit, &g_array_index(hooks, LttvTraceHook, 8)); |
1261 | |
1262 | lttv_trace_find_hook(ts->parent.t, |
1263 | LTT_FACILITY_PROCESS, LTT_EVENT_FREE, |
1264 | LTT_FIELD_PID, 0, 0, |
1265 | process_free, &g_array_index(hooks, LttvTraceHook, 9)); |
2cdc690b |
1266 | |
cbe7c836 |
1267 | |
a5ba1787 |
1268 | /* Add these hooks to each event_by_id hooks list */ |
dc877563 |
1269 | |
eed2ef37 |
1270 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
1271 | |
dc877563 |
1272 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1273 | tfs = |
1274 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
1275 | LttvTracefileContext, j)); |
dc877563 |
1276 | |
1277 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
1278 | hook = &g_array_index(hooks, LttvTraceHook, k); |
1279 | for(l=0;l<hook->fac_list->len;l++) { |
1280 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
1281 | lttv_hooks_add( |
1282 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
1283 | thf->h, |
1284 | &g_array_index(hooks, LttvTraceHook, k), |
1285 | LTTV_PRIO_STATE); |
1286 | } |
ffd54a90 |
1287 | } |
dc877563 |
1288 | } |
ba576a78 |
1289 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
1290 | *(val.v_pointer) = hooks; |
dc877563 |
1291 | } |
1292 | } |
1293 | |
58c88a41 |
1294 | gint lttv_state_hook_remove_event_hooks(void *hook_data, void *call_data) |
1295 | { |
1296 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1297 | |
1298 | lttv_state_remove_event_hooks(tss); |
1299 | |
1300 | return 0; |
1301 | } |
dc877563 |
1302 | |
308711e5 |
1303 | void lttv_state_remove_event_hooks(LttvTracesetState *self) |
dc877563 |
1304 | { |
ba576a78 |
1305 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
1306 | |
eed2ef37 |
1307 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
1308 | |
ba576a78 |
1309 | LttvTraceState *ts; |
dc877563 |
1310 | |
ba576a78 |
1311 | LttvTracefileState *tfs; |
dc877563 |
1312 | |
dc877563 |
1313 | GArray *hooks; |
1314 | |
eed2ef37 |
1315 | LttvTraceHook *hook; |
1316 | |
1317 | LttvTraceHookByFacility *thf; |
dc877563 |
1318 | |
1319 | LttvAttributeValue val; |
1320 | |
ba576a78 |
1321 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
1322 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
1323 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
1324 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
1325 | hooks = *(val.v_pointer); |
dc877563 |
1326 | |
a5ba1787 |
1327 | /* Remove these hooks from each event_by_id hooks list */ |
dc877563 |
1328 | |
eed2ef37 |
1329 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
1330 | |
dc877563 |
1331 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1332 | tfs = |
cb03932a |
1333 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1334 | LttvTracefileContext*, j)); |
dc877563 |
1335 | |
1336 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
1337 | hook = &g_array_index(hooks, LttvTraceHook, k); |
1338 | for(l=0;l<hook->fac_list->len;l++) { |
1339 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
1340 | |
1341 | lttv_hooks_remove_data( |
1342 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
1343 | thf->h, |
1344 | &g_array_index(hooks, LttvTraceHook, k)); |
1345 | } |
1346 | lttv_trace_hook_destroy(&g_array_index(hooks, LttvTraceHook, k)); |
ffd54a90 |
1347 | } |
dc877563 |
1348 | } |
1349 | g_array_free(hooks, TRUE); |
1350 | } |
1351 | } |
1352 | |
1353 | |
eed2ef37 |
1354 | static gboolean state_save_event_hook(void *hook_data, void *call_data) |
1355 | { |
1356 | guint *event_count = (guint*)hook_data; |
1357 | |
1358 | /* Only save at LTTV_STATE_SAVE_INTERVAL */ |
1359 | if(likely((*event_count)++ < LTTV_STATE_SAVE_INTERVAL)) |
1360 | return FALSE; |
1361 | else |
1362 | event_count = 0; |
1363 | |
1364 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
1365 | |
1366 | LttvTracefileState *tfcs; |
1367 | |
1368 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1369 | |
1370 | LttEventPosition *ep; |
1371 | |
1372 | guint i; |
1373 | |
1374 | LttTracefile *tf; |
1375 | |
1376 | LttvAttribute *saved_states_tree, *saved_state_tree; |
1377 | |
1378 | LttvAttributeValue value; |
1379 | |
1380 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1381 | LTTV_STATE_SAVED_STATES); |
1382 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
1383 | value = lttv_attribute_add(saved_states_tree, |
1384 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
1385 | *(value.v_gobject) = (GObject *)saved_state_tree; |
1386 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
1387 | *(value.v_time) = self->parent.timestamp; |
1388 | lttv_state_save(tcs, saved_state_tree); |
1389 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
1390 | self->parent.timestamp.tv_nsec); |
1391 | |
1392 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
1393 | |
1394 | return FALSE; |
1395 | } |
1396 | |
1397 | #if 0 |
08b1c66e |
1398 | static gboolean block_start(void *hook_data, void *call_data) |
308711e5 |
1399 | { |
dbb7bb09 |
1400 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
308711e5 |
1401 | |
dbb7bb09 |
1402 | LttvTracefileState *tfcs; |
308711e5 |
1403 | |
dbb7bb09 |
1404 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1405 | |
1406 | LttEventPosition *ep; |
308711e5 |
1407 | |
dbb7bb09 |
1408 | guint i, nb_block, nb_event, nb_tracefile; |
308711e5 |
1409 | |
1410 | LttTracefile *tf; |
1411 | |
1412 | LttvAttribute *saved_states_tree, *saved_state_tree; |
1413 | |
1414 | LttvAttributeValue value; |
1415 | |
dbb7bb09 |
1416 | ep = ltt_event_position_new(); |
eed2ef37 |
1417 | |
1418 | nb_tracefile = tcs->parent.tracefiles->len; |
dbb7bb09 |
1419 | |
1420 | /* Count the number of events added since the last block end in any |
1421 | tracefile. */ |
1422 | |
1423 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
1424 | tfcs = |
1425 | LTTV_TRACEFILE_STATE(&g_array_index(tcs->parent.tracefiles, |
1426 | LttvTracefileContext, i)); |
dbb7bb09 |
1427 | ltt_event_position(tfcs->parent.e, ep); |
1428 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
1429 | tcs->nb_event += nb_event - tfcs->saved_position; |
1430 | tfcs->saved_position = nb_event; |
1431 | } |
1432 | g_free(ep); |
308711e5 |
1433 | |
308711e5 |
1434 | if(tcs->nb_event >= tcs->save_interval) { |
1435 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1436 | LTTV_STATE_SAVED_STATES); |
1437 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
1438 | value = lttv_attribute_add(saved_states_tree, |
1439 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
1440 | *(value.v_gobject) = (GObject *)saved_state_tree; |
1441 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
dbb7bb09 |
1442 | *(value.v_time) = self->parent.timestamp; |
308711e5 |
1443 | lttv_state_save(tcs, saved_state_tree); |
1444 | tcs->nb_event = 0; |
08b1c66e |
1445 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
1446 | self->parent.timestamp.tv_nsec); |
308711e5 |
1447 | } |
dbb7bb09 |
1448 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
308711e5 |
1449 | return FALSE; |
1450 | } |
eed2ef37 |
1451 | #endif //0 |
308711e5 |
1452 | |
eed2ef37 |
1453 | #if 0 |
08b1c66e |
1454 | static gboolean block_end(void *hook_data, void *call_data) |
1455 | { |
1456 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
1457 | |
1458 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1459 | |
1460 | LttTracefile *tf; |
1461 | |
1462 | LttEventPosition *ep; |
1463 | |
1464 | guint nb_block, nb_event; |
1465 | |
1466 | ep = ltt_event_position_new(); |
1467 | ltt_event_position(self->parent.e, ep); |
1468 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
1469 | tcs->nb_event += nb_event - self->saved_position + 1; |
1470 | self->saved_position = 0; |
1471 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
1472 | g_free(ep); |
00e74b69 |
1473 | |
1474 | return FALSE; |
08b1c66e |
1475 | } |
eed2ef37 |
1476 | #endif //0 |
1477 | #if 0 |
308711e5 |
1478 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
1479 | { |
1480 | LttvTraceset *traceset = self->parent.ts; |
1481 | |
00e74b69 |
1482 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
1483 | |
1484 | LttvTraceState *ts; |
1485 | |
1486 | LttvTracefileState *tfs; |
1487 | |
08b1c66e |
1488 | LttvTraceHook hook_start, hook_end; |
308711e5 |
1489 | |
1490 | nb_trace = lttv_traceset_number(traceset); |
1491 | for(i = 0 ; i < nb_trace ; i++) { |
1492 | ts = (LttvTraceState *)self->parent.traces[i]; |
eed2ef37 |
1493 | |
08b1c66e |
1494 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
1495 | NULL, NULL, block_start, &hook_start); |
308711e5 |
1496 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
1497 | NULL, NULL, block_end, &hook_end); |
308711e5 |
1498 | |
eed2ef37 |
1499 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
1500 | |
dbb7bb09 |
1501 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1502 | tfs = |
1503 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
1504 | LttvTracefileContext, j)); |
a5ba1787 |
1505 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
1506 | hook_start.id), hook_start.h, NULL, LTTV_PRIO_STATE); |
a5ba1787 |
1507 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
1508 | hook_end.id), hook_end.h, NULL, LTTV_PRIO_STATE); |
1509 | } |
1510 | } |
1511 | } |
1512 | #endif //0 |
1513 | |
1514 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
1515 | { |
1516 | LttvTraceset *traceset = self->parent.ts; |
1517 | |
1518 | guint i, j, nb_trace, nb_tracefile; |
1519 | |
1520 | LttvTraceState *ts; |
1521 | |
1522 | LttvTracefileState *tfs; |
1523 | |
1524 | |
1525 | nb_trace = lttv_traceset_number(traceset); |
1526 | for(i = 0 ; i < nb_trace ; i++) { |
1527 | |
1528 | ts = (LttvTraceState *)self->parent.traces[i]; |
1529 | nb_tracefile = ts->parent.tracefiles->len; |
1530 | |
1531 | guint *event_count = g_new(guint, 1); |
1532 | *event_count = 0; |
1533 | |
1534 | for(j = 0 ; j < nb_tracefile ; j++) { |
1535 | tfs = |
cb03932a |
1536 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1537 | LttvTracefileContext*, j)); |
eed2ef37 |
1538 | lttv_hooks_add(tfs->parent.event, |
1539 | state_save_event_hook, |
1540 | event_count, |
1541 | LTTV_PRIO_STATE); |
1542 | |
308711e5 |
1543 | } |
1544 | } |
1545 | } |
1546 | |
b56b5fec |
1547 | gint lttv_state_save_hook_add_event_hooks(void *hook_data, void *call_data) |
1548 | { |
1549 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1550 | |
1551 | lttv_state_save_add_event_hooks(tss); |
1552 | |
1553 | return 0; |
1554 | } |
1555 | |
308711e5 |
1556 | |
eed2ef37 |
1557 | #if 0 |
308711e5 |
1558 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
1559 | { |
1560 | LttvTraceset *traceset = self->parent.ts; |
1561 | |
00e74b69 |
1562 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
1563 | |
1564 | LttvTraceState *ts; |
1565 | |
1566 | LttvTracefileState *tfs; |
1567 | |
08b1c66e |
1568 | LttvTraceHook hook_start, hook_end; |
308711e5 |
1569 | |
1570 | nb_trace = lttv_traceset_number(traceset); |
1571 | for(i = 0 ; i < nb_trace ; i++) { |
1572 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
eed2ef37 |
1573 | |
08b1c66e |
1574 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
1575 | NULL, NULL, block_start, &hook_start); |
1576 | |
308711e5 |
1577 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
1578 | NULL, NULL, block_end, &hook_end); |
308711e5 |
1579 | |
eed2ef37 |
1580 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
1581 | |
dbb7bb09 |
1582 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1583 | tfs = |
1584 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
1585 | LttvTracefileContext, j)); |
308711e5 |
1586 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
1587 | tfs->parent.event_by_id, hook_start.id), hook_start.h, NULL); |
08b1c66e |
1588 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
1589 | tfs->parent.event_by_id, hook_end.id), hook_end.h, NULL); |
308711e5 |
1590 | } |
1591 | } |
1592 | } |
eed2ef37 |
1593 | #endif //0 |
1594 | |
1595 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
1596 | { |
1597 | LttvTraceset *traceset = self->parent.ts; |
1598 | |
1599 | guint i, j, nb_trace, nb_tracefile; |
1600 | |
1601 | LttvTraceState *ts; |
1602 | |
1603 | LttvTracefileState *tfs; |
1604 | |
1605 | |
1606 | nb_trace = lttv_traceset_number(traceset); |
1607 | for(i = 0 ; i < nb_trace ; i++) { |
1608 | |
1609 | ts = (LttvTraceState *)self->parent.traces[i]; |
1610 | nb_tracefile = ts->parent.tracefiles->len; |
1611 | |
1612 | guint *event_count; |
1613 | |
1614 | for(j = 0 ; j < nb_tracefile ; j++) { |
1615 | tfs = |
cb03932a |
1616 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1617 | LttvTracefileContext*, j)); |
eed2ef37 |
1618 | event_count = lttv_hooks_remove(tfs->parent.event, |
1619 | state_save_event_hook); |
1620 | g_free(event_count); |
1621 | |
1622 | } |
1623 | } |
1624 | } |
308711e5 |
1625 | |
b56b5fec |
1626 | gint lttv_state_save_hook_remove_event_hooks(void *hook_data, void *call_data) |
1627 | { |
1628 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1629 | |
1630 | lttv_state_save_remove_event_hooks(tss); |
1631 | |
1632 | return 0; |
1633 | } |
308711e5 |
1634 | |
dd025f91 |
1635 | void lttv_state_traceset_seek_time_closest(LttvTracesetState *self, LttTime t) |
308711e5 |
1636 | { |
1637 | LttvTraceset *traceset = self->parent.ts; |
1638 | |
00e74b69 |
1639 | guint i, nb_trace; |
308711e5 |
1640 | |
1641 | int min_pos, mid_pos, max_pos; |
1642 | |
1643 | LttvTraceState *tcs; |
1644 | |
1645 | LttvAttributeValue value; |
1646 | |
1647 | LttvAttributeType type; |
1648 | |
1649 | LttvAttributeName name; |
1650 | |
1651 | LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree; |
1652 | |
1653 | nb_trace = lttv_traceset_number(traceset); |
1654 | for(i = 0 ; i < nb_trace ; i++) { |
1655 | tcs = (LttvTraceState *)self->parent.traces[i]; |
1656 | |
2a2fa4f0 |
1657 | if(ltt_time_compare(t, *(tcs->max_time_state_recomputed_in_seek)) < 0) { |
1658 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1659 | LTTV_STATE_SAVED_STATES); |
1660 | min_pos = -1; |
1661 | |
1662 | if(saved_states_tree) { |
dd025f91 |
1663 | max_pos = lttv_attribute_get_number(saved_states_tree) - 1; |
1664 | mid_pos = max_pos / 2; |
1665 | while(min_pos < max_pos) { |
1666 | type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value); |
1667 | g_assert(type == LTTV_GOBJECT); |
1668 | saved_state_tree = *((LttvAttribute **)(value.v_gobject)); |
1669 | type = lttv_attribute_get_by_name(saved_state_tree, LTTV_STATE_TIME, |
1670 | &value); |
1671 | g_assert(type == LTTV_TIME); |
1672 | if(ltt_time_compare(*(value.v_time), t) < 0) { |
1673 | min_pos = mid_pos; |
1674 | closest_tree = saved_state_tree; |
1675 | } |
1676 | else max_pos = mid_pos - 1; |
1677 | |
1678 | mid_pos = (min_pos + max_pos + 1) / 2; |
1679 | } |
2a2fa4f0 |
1680 | } |
dd025f91 |
1681 | |
2a2fa4f0 |
1682 | /* restore the closest earlier saved state */ |
f95bc830 |
1683 | if(min_pos != -1) { |
1684 | lttv_state_restore(tcs, closest_tree); |
1685 | } |
dd025f91 |
1686 | |
2a2fa4f0 |
1687 | /* There is no saved state, yet we want to have it. Restart at T0 */ |
dd025f91 |
1688 | else { |
1689 | restore_init_state(tcs); |
1690 | lttv_process_trace_seek_time(&(tcs->parent), ltt_time_zero); |
308711e5 |
1691 | } |
9444deae |
1692 | } |
dd025f91 |
1693 | /* We want to seek quickly without restoring/updating the state */ |
1694 | else { |
308711e5 |
1695 | restore_init_state(tcs); |
dd025f91 |
1696 | lttv_process_trace_seek_time(&(tcs->parent), t); |
308711e5 |
1697 | } |
308711e5 |
1698 | } |
1699 | } |
1700 | |
1701 | |
1702 | static void |
1703 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1704 | { |
1705 | } |
1706 | |
1707 | |
1708 | static void |
1709 | traceset_state_finalize (LttvTracesetState *self) |
1710 | { |
1711 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
1712 | finalize(G_OBJECT(self)); |
1713 | } |
1714 | |
1715 | |
1716 | static void |
1717 | traceset_state_class_init (LttvTracesetContextClass *klass) |
1718 | { |
1719 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1720 | |
1721 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
1722 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
1723 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
1724 | klass->new_traceset_context = new_traceset_context; |
1725 | klass->new_trace_context = new_trace_context; |
1726 | klass->new_tracefile_context = new_tracefile_context; |
1727 | } |
1728 | |
1729 | |
1730 | GType |
1731 | lttv_traceset_state_get_type(void) |
1732 | { |
1733 | static GType type = 0; |
1734 | if (type == 0) { |
1735 | static const GTypeInfo info = { |
1736 | sizeof (LttvTracesetStateClass), |
1737 | NULL, /* base_init */ |
1738 | NULL, /* base_finalize */ |
1739 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
1740 | NULL, /* class_finalize */ |
1741 | NULL, /* class_data */ |
dbb7bb09 |
1742 | sizeof (LttvTracesetState), |
308711e5 |
1743 | 0, /* n_preallocs */ |
00e74b69 |
1744 | (GInstanceInitFunc) traceset_state_instance_init, /* instance_init */ |
1745 | NULL /* value handling */ |
308711e5 |
1746 | }; |
1747 | |
1748 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
1749 | &info, 0); |
1750 | } |
1751 | return type; |
1752 | } |
1753 | |
1754 | |
1755 | static void |
1756 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1757 | { |
1758 | } |
1759 | |
1760 | |
1761 | static void |
1762 | trace_state_finalize (LttvTraceState *self) |
1763 | { |
1764 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE))-> |
1765 | finalize(G_OBJECT(self)); |
1766 | } |
1767 | |
1768 | |
1769 | static void |
1770 | trace_state_class_init (LttvTraceStateClass *klass) |
1771 | { |
1772 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1773 | |
1774 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
1775 | klass->state_save = state_save; |
1776 | klass->state_restore = state_restore; |
1777 | klass->state_saved_free = state_saved_free; |
1778 | } |
1779 | |
1780 | |
1781 | GType |
1782 | lttv_trace_state_get_type(void) |
1783 | { |
1784 | static GType type = 0; |
1785 | if (type == 0) { |
1786 | static const GTypeInfo info = { |
1787 | sizeof (LttvTraceStateClass), |
1788 | NULL, /* base_init */ |
1789 | NULL, /* base_finalize */ |
1790 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
1791 | NULL, /* class_finalize */ |
1792 | NULL, /* class_data */ |
1793 | sizeof (LttvTraceState), |
1794 | 0, /* n_preallocs */ |
00e74b69 |
1795 | (GInstanceInitFunc) trace_state_instance_init, /* instance_init */ |
1796 | NULL /* value handling */ |
308711e5 |
1797 | }; |
1798 | |
1799 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
1800 | "LttvTraceStateType", &info, 0); |
1801 | } |
1802 | return type; |
1803 | } |
1804 | |
1805 | |
1806 | static void |
1807 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1808 | { |
1809 | } |
1810 | |
1811 | |
1812 | static void |
1813 | tracefile_state_finalize (LttvTracefileState *self) |
1814 | { |
1815 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE))-> |
1816 | finalize(G_OBJECT(self)); |
1817 | } |
1818 | |
1819 | |
1820 | static void |
1821 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
1822 | { |
1823 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1824 | |
1825 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
1826 | } |
1827 | |
1828 | |
1829 | GType |
1830 | lttv_tracefile_state_get_type(void) |
1831 | { |
1832 | static GType type = 0; |
1833 | if (type == 0) { |
1834 | static const GTypeInfo info = { |
1835 | sizeof (LttvTracefileStateClass), |
1836 | NULL, /* base_init */ |
1837 | NULL, /* base_finalize */ |
1838 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
1839 | NULL, /* class_finalize */ |
1840 | NULL, /* class_data */ |
1841 | sizeof (LttvTracefileState), |
1842 | 0, /* n_preallocs */ |
00e74b69 |
1843 | (GInstanceInitFunc) tracefile_state_instance_init, /* instance_init */ |
1844 | NULL /* value handling */ |
308711e5 |
1845 | }; |
1846 | |
1847 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
1848 | "LttvTracefileStateType", &info, 0); |
1849 | } |
1850 | return type; |
1851 | } |
1852 | |
1853 | |
08b1c66e |
1854 | static void module_init() |
ffd54a90 |
1855 | { |
1856 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
b445142a |
1857 | LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("unknown execution mode"); |
ffd54a90 |
1858 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
1859 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
1860 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
1861 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
1862 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
b445142a |
1863 | LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("unknown submode"); |
1864 | LTTV_STATE_SUBMODE_NONE = g_quark_from_string("(no submode)"); |
ffd54a90 |
1865 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
dbd243b1 |
1866 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
0828099d |
1867 | LTTV_STATE_ZOMBIE = g_quark_from_string("zombie"); |
ffd54a90 |
1868 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
1869 | LTTV_STATE_RUN = g_quark_from_string("running"); |
308711e5 |
1870 | LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles"); |
1871 | LTTV_STATE_PROCESSES = g_quark_from_string("processes"); |
1872 | LTTV_STATE_PROCESS = g_quark_from_string("process"); |
1873 | LTTV_STATE_EVENT = g_quark_from_string("event"); |
1874 | LTTV_STATE_SAVED_STATES = g_quark_from_string("saved states"); |
dbb7bb09 |
1875 | LTTV_STATE_SAVED_STATES_TIME = g_quark_from_string("saved states time"); |
308711e5 |
1876 | LTTV_STATE_TIME = g_quark_from_string("time"); |
ffd54a90 |
1877 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
f95bc830 |
1878 | LTTV_STATE_NAME_TABLES = g_quark_from_string("name tables"); |
1879 | LTTV_STATE_TRACE_STATE_USE_COUNT = |
1880 | g_quark_from_string("trace_state_use_count"); |
eed2ef37 |
1881 | |
1882 | |
1883 | LTT_FACILITY_KERNEL = g_quark_from_string("kernel"); |
1884 | LTT_FACILITY_PROCESS = g_quark_from_string("process"); |
1885 | |
1886 | |
1887 | LTT_EVENT_SYSCALL_ENTRY = g_quark_from_string("syscall_entry"); |
1888 | LTT_EVENT_SYSCALL_EXIT = g_quark_from_string("syscall_exit"); |
1889 | LTT_EVENT_TRAP_ENTRY = g_quark_from_string("trap_entry"); |
1890 | LTT_EVENT_TRAP_EXIT = g_quark_from_string("trap_exit"); |
1891 | LTT_EVENT_IRQ_ENTRY = g_quark_from_string("irq_entry"); |
1892 | LTT_EVENT_IRQ_EXIT = g_quark_from_string("irq_exit"); |
1893 | LTT_EVENT_SCHEDCHANGE = g_quark_from_string("schedchange"); |
1894 | LTT_EVENT_FORK = g_quark_from_string("fork"); |
1895 | LTT_EVENT_EXIT = g_quark_from_string("exit"); |
1896 | LTT_EVENT_FREE = g_quark_from_string("free"); |
1897 | |
1898 | |
1899 | LTT_FIELD_SYSCALL_ID = g_quark_from_string("syscall_id"); |
1900 | LTT_FIELD_TRAP_ID = g_quark_from_string("trap_id"); |
1901 | LTT_FIELD_IRQ_ID = g_quark_from_string("irq_id"); |
1902 | LTT_FIELD_OUT = g_quark_from_string("out"); |
1903 | LTT_FIELD_IN = g_quark_from_string("in"); |
1904 | LTT_FIELD_OUT_STATE = g_quark_from_string("out_state"); |
1905 | LTT_FIELD_PARENT_PID = g_quark_from_string("parent_pid"); |
1906 | LTT_FIELD_CHILD_PID = g_quark_from_string("child_pid"); |
1907 | LTT_FIELD_PID = g_quark_from_string("pid"); |
1908 | |
ffd54a90 |
1909 | } |
dc877563 |
1910 | |
08b1c66e |
1911 | static void module_destroy() |
ffd54a90 |
1912 | { |
1913 | } |
dc877563 |
1914 | |
1915 | |
08b1c66e |
1916 | LTTV_MODULE("state", "State computation", \ |
1917 | "Update the system state, possibly saving it at intervals", \ |
1918 | module_init, module_destroy) |
1919 | |
dc877563 |
1920 | |
1921 | |