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> |
b3fd4c02 |
31 | #include <string.h> |
dc877563 |
32 | |
e8f2280c |
33 | #define PREALLOCATED_EXECUTION_STACK 10 |
34 | |
eed2ef37 |
35 | /* Facilities Quarks */ |
36 | |
37 | GQuark |
38 | LTT_FACILITY_KERNEL, |
f5d7967f |
39 | LTT_FACILITY_KERNEL_ARCH, |
f4b88a7d |
40 | LTT_FACILITY_PROCESS, |
b3fd4c02 |
41 | LTT_FACILITY_FS, |
42 | LTT_FACILITY_STATEDUMP; |
eed2ef37 |
43 | |
44 | /* Events Quarks */ |
45 | |
46 | GQuark |
47 | LTT_EVENT_SYSCALL_ENTRY, |
48 | LTT_EVENT_SYSCALL_EXIT, |
49 | LTT_EVENT_TRAP_ENTRY, |
50 | LTT_EVENT_TRAP_EXIT, |
51 | LTT_EVENT_IRQ_ENTRY, |
52 | LTT_EVENT_IRQ_EXIT, |
faf074a3 |
53 | LTT_EVENT_SOFT_IRQ_ENTRY, |
54 | LTT_EVENT_SOFT_IRQ_EXIT, |
eed2ef37 |
55 | LTT_EVENT_SCHEDCHANGE, |
56 | LTT_EVENT_FORK, |
7bfd7820 |
57 | LTT_EVENT_KERNEL_THREAD, |
eed2ef37 |
58 | LTT_EVENT_EXIT, |
f4b88a7d |
59 | LTT_EVENT_FREE, |
b3fd4c02 |
60 | LTT_EVENT_EXEC, |
61 | LTT_EVENT_ENUM_PROCESS_STATE; |
eed2ef37 |
62 | |
63 | /* Fields Quarks */ |
64 | |
65 | GQuark |
66 | LTT_FIELD_SYSCALL_ID, |
67 | LTT_FIELD_TRAP_ID, |
68 | LTT_FIELD_IRQ_ID, |
faf074a3 |
69 | LTT_FIELD_SOFT_IRQ_ID, |
eed2ef37 |
70 | LTT_FIELD_OUT, |
71 | LTT_FIELD_IN, |
72 | LTT_FIELD_OUT_STATE, |
73 | LTT_FIELD_PARENT_PID, |
74 | LTT_FIELD_CHILD_PID, |
f4b88a7d |
75 | LTT_FIELD_PID, |
b3fd4c02 |
76 | LTT_FIELD_FILENAME, |
77 | LTT_FIELD_NAME, |
78 | LTT_FIELD_MODE, |
79 | LTT_FIELD_SUBMODE, |
80 | LTT_FIELD_STATUS; |
eed2ef37 |
81 | |
b445142a |
82 | LttvExecutionMode |
83 | LTTV_STATE_MODE_UNKNOWN, |
ffd54a90 |
84 | LTTV_STATE_USER_MODE, |
85 | LTTV_STATE_SYSCALL, |
86 | LTTV_STATE_TRAP, |
faf074a3 |
87 | LTTV_STATE_IRQ, |
88 | LTTV_STATE_SOFT_IRQ; |
ffd54a90 |
89 | |
b445142a |
90 | LttvExecutionSubmode |
91 | LTTV_STATE_SUBMODE_UNKNOWN, |
92 | LTTV_STATE_SUBMODE_NONE; |
ffd54a90 |
93 | |
94 | LttvProcessStatus |
95 | LTTV_STATE_UNNAMED, |
96 | LTTV_STATE_WAIT_FORK, |
97 | LTTV_STATE_WAIT_CPU, |
dbd243b1 |
98 | LTTV_STATE_EXIT, |
0828099d |
99 | LTTV_STATE_ZOMBIE, |
ffd54a90 |
100 | LTTV_STATE_WAIT, |
791dffa6 |
101 | LTTV_STATE_RUN, |
102 | LTTV_STATE_DEAD; |
ffd54a90 |
103 | |
ba576a78 |
104 | static GQuark |
308711e5 |
105 | LTTV_STATE_TRACEFILES, |
106 | LTTV_STATE_PROCESSES, |
107 | LTTV_STATE_PROCESS, |
348c6ba8 |
108 | LTTV_STATE_RUNNING_PROCESS, |
308711e5 |
109 | LTTV_STATE_EVENT, |
110 | LTTV_STATE_SAVED_STATES, |
dbb7bb09 |
111 | LTTV_STATE_SAVED_STATES_TIME, |
308711e5 |
112 | LTTV_STATE_TIME, |
f95bc830 |
113 | LTTV_STATE_HOOKS, |
114 | LTTV_STATE_NAME_TABLES, |
115 | LTTV_STATE_TRACE_STATE_USE_COUNT; |
ba576a78 |
116 | |
f95bc830 |
117 | static void create_max_time(LttvTraceState *tcs); |
118 | |
119 | static void get_max_time(LttvTraceState *tcs); |
120 | |
121 | static void free_max_time(LttvTraceState *tcs); |
122 | |
123 | static void create_name_tables(LttvTraceState *tcs); |
124 | |
125 | static void get_name_tables(LttvTraceState *tcs); |
b445142a |
126 | |
127 | static void free_name_tables(LttvTraceState *tcs); |
128 | |
f95bc830 |
129 | static void free_saved_state(LttvTraceState *tcs); |
130 | |
308711e5 |
131 | static void lttv_state_free_process_table(GHashTable *processes); |
ba576a78 |
132 | |
dc877563 |
133 | |
308711e5 |
134 | void lttv_state_save(LttvTraceState *self, LttvAttribute *container) |
135 | { |
136 | LTTV_TRACE_STATE_GET_CLASS(self)->state_save(self, container); |
137 | } |
138 | |
139 | |
140 | void lttv_state_restore(LttvTraceState *self, LttvAttribute *container) |
141 | { |
142 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
143 | } |
144 | |
145 | |
2d262115 |
146 | void lttv_state_state_saved_free(LttvTraceState *self, |
308711e5 |
147 | LttvAttribute *container) |
148 | { |
f95bc830 |
149 | LTTV_TRACE_STATE_GET_CLASS(self)->state_saved_free(self, container); |
308711e5 |
150 | } |
151 | |
152 | |
2a2fa4f0 |
153 | guint process_hash(gconstpointer key) |
154 | { |
7893f726 |
155 | guint pid = ((const LttvProcessState *)key)->pid; |
156 | return (pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ; |
2a2fa4f0 |
157 | } |
158 | |
159 | |
1d1df11d |
160 | /* If the hash table hash function is well distributed, |
161 | * the process_equal should compare different pid */ |
2a2fa4f0 |
162 | gboolean process_equal(gconstpointer a, gconstpointer b) |
163 | { |
00e74b69 |
164 | const LttvProcessState *process_a, *process_b; |
1d1df11d |
165 | gboolean ret = TRUE; |
166 | |
00e74b69 |
167 | process_a = (const LttvProcessState *)a; |
168 | process_b = (const LttvProcessState *)b; |
1d1df11d |
169 | |
170 | if(likely(process_a->pid != process_b->pid)) ret = FALSE; |
171 | else if(likely(process_a->pid == 0 && |
348c6ba8 |
172 | process_a->cpu != process_b->cpu)) ret = FALSE; |
2a2fa4f0 |
173 | |
1d1df11d |
174 | return ret; |
2a2fa4f0 |
175 | } |
176 | |
6806b3c6 |
177 | static void delete_usertrace(gpointer key, gpointer value, gpointer user_data) |
178 | { |
179 | g_tree_destroy((GTree*)value); |
180 | } |
181 | |
182 | static void lttv_state_free_usertraces(GHashTable *usertraces) |
183 | { |
184 | g_hash_table_foreach(usertraces, delete_usertrace, NULL); |
185 | g_hash_table_destroy(usertraces); |
186 | } |
187 | |
188 | |
2a2fa4f0 |
189 | |
308711e5 |
190 | static void |
191 | restore_init_state(LttvTraceState *self) |
192 | { |
348c6ba8 |
193 | guint i, nb_cpus; |
308711e5 |
194 | |
195 | LttvTracefileState *tfcs; |
196 | |
348c6ba8 |
197 | /* Free the process tables */ |
308711e5 |
198 | if(self->processes != NULL) lttv_state_free_process_table(self->processes); |
6806b3c6 |
199 | if(self->usertraces != NULL) lttv_state_free_usertraces(self->usertraces); |
2a2fa4f0 |
200 | self->processes = g_hash_table_new(process_hash, process_equal); |
6806b3c6 |
201 | self->usertraces = g_hash_table_new(g_direct_hash, g_direct_equal); |
308711e5 |
202 | self->nb_event = 0; |
203 | |
348c6ba8 |
204 | /* Seek time to beginning */ |
9ba3aaaf |
205 | // Mathieu : fix : don't seek traceset here : causes inconsistency in seek |
206 | // closest. It's the tracecontext job to seek the trace to the beginning |
207 | // anyway : the init state might be used at the middle of the trace as well... |
208 | //g_tree_destroy(self->parent.ts_context->pqueue); |
209 | //self->parent.ts_context->pqueue = g_tree_new(compare_tracefile); |
348c6ba8 |
210 | |
9ba3aaaf |
211 | |
212 | //lttv_process_trace_seek_time(&self->parent, ltt_time_zero); |
348c6ba8 |
213 | |
214 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
215 | |
216 | /* Put the per cpu running_process to beginning state : process 0. */ |
217 | for(i=0; i< nb_cpus; i++) { |
218 | self->running_process[i] = lttv_state_create_process(self, NULL, i, 0, |
b3fd4c02 |
219 | LTTV_STATE_UNNAMED, <t_time_zero); |
348c6ba8 |
220 | self->running_process[i]->state->s = LTTV_STATE_RUN; |
221 | self->running_process[i]->cpu = i; |
222 | } |
223 | |
224 | #if 0 |
eed2ef37 |
225 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
226 | |
dbb7bb09 |
227 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
228 | tfcs = |
cb03932a |
229 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
230 | LttvTracefileContext*, i)); |
d3e01c7a |
231 | ltt_trace_time_span_get(self->parent.t, &tfcs->parent.timestamp, NULL); |
eed2ef37 |
232 | // tfcs->saved_position = 0; |
2a2fa4f0 |
233 | tfcs->process = lttv_state_create_process(tfcs, NULL,0); |
234 | tfcs->process->state->s = LTTV_STATE_RUN; |
235 | tfcs->process->last_cpu = tfcs->cpu_name; |
2c82c4dc |
236 | tfcs->process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfcs)->tf); |
308711e5 |
237 | } |
348c6ba8 |
238 | #endif //0 |
308711e5 |
239 | } |
240 | |
348c6ba8 |
241 | //static LttTime time_zero = {0,0}; |
308711e5 |
242 | |
6806b3c6 |
243 | static gint compare_usertraces(gconstpointer a, gconstpointer b, |
244 | gpointer user_data) |
245 | { |
246 | const LttTime *t1 = (const LttTime *)a; |
247 | const LttTime *t2 = (const LttTime *)b; |
248 | |
249 | return ltt_time_compare(*t1, *t2); |
250 | } |
251 | |
252 | static void free_usertrace_key(gpointer data) |
253 | { |
254 | g_free(data); |
255 | } |
256 | |
dc877563 |
257 | static void |
258 | init(LttvTracesetState *self, LttvTraceset *ts) |
259 | { |
dbb7bb09 |
260 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
261 | |
ffd54a90 |
262 | LttvTraceContext *tc; |
dc877563 |
263 | |
ffd54a90 |
264 | LttvTraceState *tcs; |
265 | |
ffd54a90 |
266 | LttvTracefileState *tfcs; |
3d27549e |
267 | |
dbb7bb09 |
268 | LttvAttributeValue v; |
269 | |
b445142a |
270 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
271 | init((LttvTracesetContext *)self, ts); |
dc877563 |
272 | |
273 | nb_trace = lttv_traceset_number(ts); |
274 | for(i = 0 ; i < nb_trace ; i++) { |
b445142a |
275 | tc = self->parent.traces[i]; |
021eeb41 |
276 | tcs = LTTV_TRACE_STATE(tc); |
eed2ef37 |
277 | tcs->save_interval = LTTV_STATE_SAVE_INTERVAL; |
f95bc830 |
278 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
279 | LTTV_UINT, &v); |
280 | (*v.v_uint)++; |
dbb7bb09 |
281 | |
f95bc830 |
282 | if(*(v.v_uint) == 1) { |
283 | create_name_tables(tcs); |
284 | create_max_time(tcs); |
285 | } |
286 | get_name_tables(tcs); |
287 | get_max_time(tcs); |
dc877563 |
288 | |
eed2ef37 |
289 | nb_tracefile = tc->tracefiles->len; |
ae3d0f50 |
290 | tcs->processes = NULL; |
6806b3c6 |
291 | tcs->usertraces = NULL; |
ae3d0f50 |
292 | tcs->running_process = g_new(LttvProcessState*, |
293 | ltt_trace_get_num_cpu(tc->t)); |
294 | restore_init_state(tcs); |
dc877563 |
295 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
296 | tfcs = |
cb03932a |
297 | LTTV_TRACEFILE_STATE(g_array_index(tc->tracefiles, |
298 | LttvTracefileContext*, j)); |
348c6ba8 |
299 | tfcs->tracefile_name = ltt_tracefile_name(tfcs->parent.tf); |
ae3d0f50 |
300 | tfcs->cpu = ltt_tracefile_cpu(tfcs->parent.tf); |
6806b3c6 |
301 | #if 0 |
ae3d0f50 |
302 | if(ltt_tracefile_tid(tfcs->parent.tf) != 0) { |
303 | /* It's a Usertrace */ |
304 | LttvProcessState *process; |
305 | LttTime timestamp = |
306 | ltt_interpolate_time_from_tsc(tfcs->parent.tf, |
307 | ltt_tracefile_creation(tfcs->parent.tf)); |
308 | process = lttv_state_find_process_or_create( |
309 | tcs, |
310 | 0, ltt_tracefile_tid(tfcs->parent.tf), |
311 | ×tamp); |
312 | process->usertrace = tfcs; |
313 | } |
dc877563 |
314 | } |
6806b3c6 |
315 | #endif //0 |
316 | if(ltt_tracefile_tid(tfcs->parent.tf) != 0) { |
317 | /* It's a Usertrace */ |
318 | guint tid = ltt_tracefile_tid(tfcs->parent.tf); |
319 | GTree *usertrace_tree = (GTree*)g_hash_table_lookup(tcs->usertraces, |
320 | (gconstpointer)tid); |
321 | if(!usertrace_tree) { |
322 | usertrace_tree = g_tree_new_full(compare_usertraces, |
323 | NULL, free_usertrace_key, NULL); |
324 | g_hash_table_insert(tcs->usertraces, |
325 | (gpointer)tid, usertrace_tree); |
326 | } |
327 | LttTime *timestamp = g_new(LttTime, 1); |
328 | *timestamp = ltt_interpolate_time_from_tsc(tfcs->parent.tf, |
329 | ltt_tracefile_creation(tfcs->parent.tf)); |
330 | g_tree_insert(usertrace_tree, timestamp, tfcs); |
331 | } |
332 | } |
333 | |
dc877563 |
334 | } |
335 | } |
336 | |
dc877563 |
337 | static void |
338 | fini(LttvTracesetState *self) |
339 | { |
00e74b69 |
340 | guint i, nb_trace; |
dc877563 |
341 | |
ffd54a90 |
342 | LttvTraceState *tcs; |
dc877563 |
343 | |
ffd54a90 |
344 | LttvTracefileState *tfcs; |
dc877563 |
345 | |
f95bc830 |
346 | LttvAttributeValue v; |
347 | |
ffd54a90 |
348 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
dc877563 |
349 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
350 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
f95bc830 |
351 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
352 | LTTV_UINT, &v); |
00e74b69 |
353 | |
354 | g_assert(*(v.v_uint) != 0); |
f95bc830 |
355 | (*v.v_uint)--; |
356 | |
f95bc830 |
357 | if(*(v.v_uint) == 0) { |
358 | free_name_tables(tcs); |
359 | free_max_time(tcs); |
360 | free_saved_state(tcs); |
361 | } |
348c6ba8 |
362 | g_free(tcs->running_process); |
363 | tcs->running_process = NULL; |
308711e5 |
364 | lttv_state_free_process_table(tcs->processes); |
6806b3c6 |
365 | lttv_state_free_usertraces(tcs->usertraces); |
308711e5 |
366 | tcs->processes = NULL; |
6806b3c6 |
367 | tcs->usertraces = NULL; |
dc877563 |
368 | } |
b445142a |
369 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
370 | fini((LttvTracesetContext *)self); |
dc877563 |
371 | } |
372 | |
373 | |
c432246e |
374 | static LttvTracesetContext * |
dc877563 |
375 | new_traceset_context(LttvTracesetContext *self) |
376 | { |
ffd54a90 |
377 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
dc877563 |
378 | } |
379 | |
380 | |
c432246e |
381 | static LttvTraceContext * |
dc877563 |
382 | new_trace_context(LttvTracesetContext *self) |
383 | { |
ffd54a90 |
384 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
dc877563 |
385 | } |
386 | |
387 | |
c432246e |
388 | static LttvTracefileContext * |
dc877563 |
389 | new_tracefile_context(LttvTracesetContext *self) |
390 | { |
ffd54a90 |
391 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
392 | } |
393 | |
394 | |
dbb7bb09 |
395 | /* Write the process state of the trace */ |
396 | |
397 | static void write_process_state(gpointer key, gpointer value, |
398 | gpointer user_data) |
399 | { |
400 | LttvProcessState *process; |
401 | |
402 | LttvExecutionState *es; |
403 | |
404 | FILE *fp = (FILE *)user_data; |
405 | |
406 | guint i; |
407 | |
408 | process = (LttvProcessState *)value; |
409 | fprintf(fp, |
348c6ba8 |
410 | " <PROCESS CORE=%p PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%u\">\n", |
f95bc830 |
411 | process, process->pid, process->ppid, process->creation_time.tv_sec, |
dbb7bb09 |
412 | process->creation_time.tv_nsec, g_quark_to_string(process->name), |
348c6ba8 |
413 | process->cpu); |
dbb7bb09 |
414 | |
415 | for(i = 0 ; i < process->execution_stack->len; i++) { |
416 | es = &g_array_index(process->execution_stack, LttvExecutionState, i); |
417 | fprintf(fp, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu", |
418 | g_quark_to_string(es->t), g_quark_to_string(es->n), |
419 | es->entry.tv_sec, es->entry.tv_nsec); |
420 | fprintf(fp, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n", |
421 | es->change.tv_sec, es->change.tv_nsec, g_quark_to_string(es->s)); |
422 | } |
423 | fprintf(fp, " </PROCESS>\n"); |
424 | } |
425 | |
426 | |
427 | void lttv_state_write(LttvTraceState *self, LttTime t, FILE *fp) |
428 | { |
eed2ef37 |
429 | guint i, nb_tracefile, nb_block, offset; |
430 | guint64 tsc; |
dbb7bb09 |
431 | |
432 | LttvTracefileState *tfcs; |
433 | |
434 | LttTracefile *tf; |
435 | |
436 | LttEventPosition *ep; |
437 | |
348c6ba8 |
438 | guint nb_cpus; |
439 | |
dbb7bb09 |
440 | ep = ltt_event_position_new(); |
441 | |
442 | fprintf(fp,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t.tv_sec, t.tv_nsec); |
443 | |
444 | g_hash_table_foreach(self->processes, write_process_state, fp); |
348c6ba8 |
445 | |
446 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
447 | for(i=0;i<nb_cpus;i++) { |
448 | fprintf(fp,"<CPU NUM=%u RUNNING_PROCESS=%u>\n", |
449 | i, self->running_process[i]->pid); |
450 | } |
dbb7bb09 |
451 | |
eed2ef37 |
452 | nb_tracefile = self->parent.tracefiles->len; |
dbb7bb09 |
453 | |
454 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
455 | tfcs = |
cb03932a |
456 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
457 | LttvTracefileContext*, i)); |
348c6ba8 |
458 | fprintf(fp, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu", |
459 | tfcs->parent.timestamp.tv_sec, |
08b1c66e |
460 | tfcs->parent.timestamp.tv_nsec); |
eed2ef37 |
461 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
462 | if(e == NULL) fprintf(fp,"/>\n"); |
dbb7bb09 |
463 | else { |
eed2ef37 |
464 | ltt_event_position(e, ep); |
465 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
27304273 |
466 | fprintf(fp, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block, offset, |
eed2ef37 |
467 | tsc); |
dbb7bb09 |
468 | } |
469 | } |
470 | g_free(ep); |
471 | fprintf(fp,"</PROCESS_STATE>"); |
472 | } |
473 | |
474 | |
475 | /* Copy each process from an existing hash table to a new one */ |
476 | |
308711e5 |
477 | static void copy_process_state(gpointer key, gpointer value,gpointer user_data) |
ffd54a90 |
478 | { |
308711e5 |
479 | LttvProcessState *process, *new_process; |
ffd54a90 |
480 | |
308711e5 |
481 | GHashTable *new_processes = (GHashTable *)user_data; |
ffd54a90 |
482 | |
308711e5 |
483 | guint i; |
484 | |
485 | process = (LttvProcessState *)value; |
486 | new_process = g_new(LttvProcessState, 1); |
487 | *new_process = *process; |
e8f2280c |
488 | new_process->execution_stack = g_array_sized_new(FALSE, FALSE, |
489 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
e05fc742 |
490 | new_process->execution_stack = |
491 | g_array_set_size(new_process->execution_stack, |
492 | process->execution_stack->len); |
308711e5 |
493 | for(i = 0 ; i < process->execution_stack->len; i++) { |
494 | g_array_index(new_process->execution_stack, LttvExecutionState, i) = |
495 | g_array_index(process->execution_stack, LttvExecutionState, i); |
496 | } |
497 | new_process->state = &g_array_index(new_process->execution_stack, |
498 | LttvExecutionState, new_process->execution_stack->len - 1); |
2a2fa4f0 |
499 | g_hash_table_insert(new_processes, new_process, new_process); |
ffd54a90 |
500 | } |
501 | |
502 | |
308711e5 |
503 | static GHashTable *lttv_state_copy_process_table(GHashTable *processes) |
ffd54a90 |
504 | { |
2a2fa4f0 |
505 | GHashTable *new_processes = g_hash_table_new(process_hash, process_equal); |
ffd54a90 |
506 | |
308711e5 |
507 | g_hash_table_foreach(processes, copy_process_state, new_processes); |
508 | return new_processes; |
dc877563 |
509 | } |
510 | |
511 | |
308711e5 |
512 | /* The saved state for each trace contains a member "processes", which |
513 | stores a copy of the process table, and a member "tracefiles" with |
514 | one entry per tracefile. Each tracefile has a "process" member pointing |
515 | to the current process and a "position" member storing the tracefile |
516 | position (needed to seek to the current "next" event. */ |
517 | |
518 | static void state_save(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
519 | { |
348c6ba8 |
520 | guint i, nb_tracefile, nb_cpus; |
dc877563 |
521 | |
308711e5 |
522 | LttvTracefileState *tfcs; |
523 | |
524 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
348c6ba8 |
525 | |
526 | guint *running_process; |
308711e5 |
527 | |
528 | LttvAttributeType type; |
529 | |
530 | LttvAttributeValue value; |
531 | |
532 | LttvAttributeName name; |
533 | |
534 | LttEventPosition *ep; |
535 | |
536 | tracefiles_tree = lttv_attribute_find_subdir(container, |
537 | LTTV_STATE_TRACEFILES); |
538 | |
539 | value = lttv_attribute_add(container, LTTV_STATE_PROCESSES, |
540 | LTTV_POINTER); |
541 | *(value.v_pointer) = lttv_state_copy_process_table(self->processes); |
542 | |
348c6ba8 |
543 | /* Add the currently running processes array */ |
544 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
545 | running_process = g_new(guint, nb_cpus); |
546 | for(i=0;i<nb_cpus;i++) { |
547 | running_process[i] = self->running_process[i]->pid; |
548 | } |
549 | value = lttv_attribute_add(container, LTTV_STATE_RUNNING_PROCESS, |
550 | LTTV_POINTER); |
551 | *(value.v_pointer) = running_process; |
728d0c3e |
552 | |
553 | g_info("State save"); |
348c6ba8 |
554 | |
eed2ef37 |
555 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
556 | |
557 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
558 | tfcs = |
cb03932a |
559 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
560 | LttvTracefileContext*, i)); |
308711e5 |
561 | tracefile_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
562 | value = lttv_attribute_add(tracefiles_tree, i, |
563 | LTTV_GOBJECT); |
564 | *(value.v_gobject) = (GObject *)tracefile_tree; |
348c6ba8 |
565 | #if 0 |
308711e5 |
566 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_PROCESS, |
567 | LTTV_UINT); |
568 | *(value.v_uint) = tfcs->process->pid; |
348c6ba8 |
569 | #endif //0 |
308711e5 |
570 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_EVENT, |
571 | LTTV_POINTER); |
3054461a |
572 | /* Only save the position if the tfs has not infinite time. */ |
573 | //if(!g_tree_lookup(self->parent.ts_context->pqueue, &tfcs->parent) |
574 | // && current_tfcs != tfcs) { |
575 | if(ltt_time_compare(tfcs->parent.timestamp, ltt_time_infinite) == 0) { |
1986f254 |
576 | *(value.v_pointer) = NULL; |
577 | } else { |
578 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
a5dcde2f |
579 | ep = ltt_event_position_new(); |
eed2ef37 |
580 | ltt_event_position(e, ep); |
308711e5 |
581 | *(value.v_pointer) = ep; |
08b1c66e |
582 | |
eed2ef37 |
583 | guint nb_block, offset; |
584 | guint64 tsc; |
08b1c66e |
585 | LttTracefile *tf; |
eed2ef37 |
586 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
728d0c3e |
587 | g_info("Block %u offset %u tsc %llu time %lu.%lu", nb_block, offset, |
eed2ef37 |
588 | tsc, |
08b1c66e |
589 | tfcs->parent.timestamp.tv_sec, tfcs->parent.timestamp.tv_nsec); |
308711e5 |
590 | } |
dc877563 |
591 | } |
dc877563 |
592 | } |
593 | |
594 | |
308711e5 |
595 | static void state_restore(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
596 | { |
348c6ba8 |
597 | guint i, nb_tracefile, pid, nb_cpus; |
dc877563 |
598 | |
308711e5 |
599 | LttvTracefileState *tfcs; |
dc877563 |
600 | |
308711e5 |
601 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
602 | |
348c6ba8 |
603 | guint *running_process; |
604 | |
308711e5 |
605 | LttvAttributeType type; |
dc877563 |
606 | |
308711e5 |
607 | LttvAttributeValue value; |
dc877563 |
608 | |
308711e5 |
609 | LttvAttributeName name; |
dc877563 |
610 | |
308711e5 |
611 | LttEventPosition *ep; |
dc877563 |
612 | |
27304273 |
613 | LttvTracesetContext *tsc = self->parent.ts_context; |
614 | |
308711e5 |
615 | tracefiles_tree = lttv_attribute_find_subdir(container, |
616 | LTTV_STATE_TRACEFILES); |
dc877563 |
617 | |
308711e5 |
618 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
619 | &value); |
620 | g_assert(type == LTTV_POINTER); |
621 | lttv_state_free_process_table(self->processes); |
622 | self->processes = lttv_state_copy_process_table(*(value.v_pointer)); |
623 | |
348c6ba8 |
624 | /* Add the currently running processes array */ |
625 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
626 | type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS, |
627 | &value); |
628 | g_assert(type == LTTV_POINTER); |
629 | running_process = *(value.v_pointer); |
630 | for(i=0;i<nb_cpus;i++) { |
631 | pid = running_process[i]; |
632 | self->running_process[i] = lttv_state_find_process(self, i, pid); |
633 | g_assert(self->running_process[i] != NULL); |
634 | } |
635 | |
636 | |
eed2ef37 |
637 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
638 | |
d448fce2 |
639 | //g_tree_destroy(tsc->pqueue); |
640 | //tsc->pqueue = g_tree_new(compare_tracefile); |
e7f5e89d |
641 | |
308711e5 |
642 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
643 | tfcs = |
cb03932a |
644 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
645 | LttvTracefileContext*, i)); |
308711e5 |
646 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
647 | g_assert(type == LTTV_GOBJECT); |
648 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
348c6ba8 |
649 | #if 0 |
308711e5 |
650 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_PROCESS, |
651 | &value); |
652 | g_assert(type == LTTV_UINT); |
2a2fa4f0 |
653 | pid = *(value.v_uint); |
654 | tfcs->process = lttv_state_find_process_or_create(tfcs, pid); |
348c6ba8 |
655 | #endif //0 |
308711e5 |
656 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
657 | &value); |
658 | g_assert(type == LTTV_POINTER); |
e7f5e89d |
659 | //g_assert(*(value.v_pointer) != NULL); |
eed2ef37 |
660 | ep = *(value.v_pointer); |
661 | g_assert(tfcs->parent.t_context != NULL); |
27304273 |
662 | |
27304273 |
663 | LttvTracefileContext *tfc = LTTV_TRACEFILE_CONTEXT(tfcs); |
d448fce2 |
664 | g_tree_remove(tsc->pqueue, tfc); |
27304273 |
665 | |
1986f254 |
666 | if(ep != NULL) { |
667 | g_assert(ltt_tracefile_seek_position(tfc->tf, ep) == 0); |
668 | tfc->timestamp = ltt_event_time(ltt_tracefile_get_event(tfc->tf)); |
e7f5e89d |
669 | g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0); |
1986f254 |
670 | g_tree_insert(tsc->pqueue, tfc, tfc); |
728d0c3e |
671 | g_info("Restoring state for a tf at time %lu.%lu", tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec); |
1986f254 |
672 | } else { |
673 | tfc->timestamp = ltt_time_infinite; |
674 | } |
dc877563 |
675 | } |
dc877563 |
676 | } |
677 | |
678 | |
308711e5 |
679 | static void state_saved_free(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
680 | { |
348c6ba8 |
681 | guint i, nb_tracefile, nb_cpus; |
dc877563 |
682 | |
308711e5 |
683 | LttvTracefileState *tfcs; |
dc877563 |
684 | |
308711e5 |
685 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
686 | |
348c6ba8 |
687 | guint *running_process; |
688 | |
308711e5 |
689 | LttvAttributeType type; |
dc877563 |
690 | |
308711e5 |
691 | LttvAttributeValue value; |
dc877563 |
692 | |
308711e5 |
693 | LttvAttributeName name; |
dc877563 |
694 | |
308711e5 |
695 | LttEventPosition *ep; |
dc877563 |
696 | |
308711e5 |
697 | tracefiles_tree = lttv_attribute_find_subdir(container, |
698 | LTTV_STATE_TRACEFILES); |
c47a6dc6 |
699 | g_object_ref(G_OBJECT(tracefiles_tree)); |
308711e5 |
700 | lttv_attribute_remove_by_name(container, LTTV_STATE_TRACEFILES); |
dc877563 |
701 | |
308711e5 |
702 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
703 | &value); |
704 | g_assert(type == LTTV_POINTER); |
705 | lttv_state_free_process_table(*(value.v_pointer)); |
706 | *(value.v_pointer) = NULL; |
707 | lttv_attribute_remove_by_name(container, LTTV_STATE_PROCESSES); |
708 | |
348c6ba8 |
709 | /* Free running processes array */ |
710 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
728d0c3e |
711 | type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS, |
348c6ba8 |
712 | &value); |
713 | g_assert(type == LTTV_POINTER); |
714 | running_process = *(value.v_pointer); |
715 | g_free(running_process); |
716 | |
eed2ef37 |
717 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
718 | |
719 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
720 | tfcs = |
cb03932a |
721 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
722 | LttvTracefileContext*, i)); |
308711e5 |
723 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
724 | g_assert(type == LTTV_GOBJECT); |
725 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
726 | |
727 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
728 | &value); |
729 | g_assert(type == LTTV_POINTER); |
730 | if(*(value.v_pointer) != NULL) g_free(*(value.v_pointer)); |
dc877563 |
731 | } |
c47a6dc6 |
732 | g_object_unref(G_OBJECT(tracefiles_tree)); |
dc877563 |
733 | } |
734 | |
735 | |
f95bc830 |
736 | static void free_saved_state(LttvTraceState *self) |
737 | { |
738 | guint i, nb; |
739 | |
740 | LttvAttributeType type; |
741 | |
742 | LttvAttributeValue value; |
743 | |
744 | LttvAttributeName name; |
745 | |
746 | LttvAttribute *saved_states; |
747 | |
748 | saved_states = lttv_attribute_find_subdir(self->parent.t_a, |
749 | LTTV_STATE_SAVED_STATES); |
750 | |
751 | nb = lttv_attribute_get_number(saved_states); |
752 | for(i = 0 ; i < nb ; i++) { |
753 | type = lttv_attribute_get(saved_states, i, &name, &value); |
754 | g_assert(type == LTTV_GOBJECT); |
755 | state_saved_free(self, *((LttvAttribute **)value.v_gobject)); |
756 | } |
757 | |
758 | lttv_attribute_remove_by_name(self->parent.t_a, LTTV_STATE_SAVED_STATES); |
f95bc830 |
759 | } |
760 | |
761 | |
762 | static void |
763 | create_max_time(LttvTraceState *tcs) |
764 | { |
765 | LttvAttributeValue v; |
766 | |
767 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
768 | LTTV_POINTER, &v); |
769 | g_assert(*(v.v_pointer) == NULL); |
770 | *(v.v_pointer) = g_new(LttTime,1); |
348c6ba8 |
771 | *((LttTime *)*(v.v_pointer)) = ltt_time_zero; |
f95bc830 |
772 | } |
773 | |
774 | |
775 | static void |
776 | get_max_time(LttvTraceState *tcs) |
777 | { |
778 | LttvAttributeValue v; |
779 | |
780 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
781 | LTTV_POINTER, &v); |
782 | g_assert(*(v.v_pointer) != NULL); |
783 | tcs->max_time_state_recomputed_in_seek = (LttTime *)*(v.v_pointer); |
784 | } |
785 | |
786 | |
787 | static void |
788 | free_max_time(LttvTraceState *tcs) |
789 | { |
790 | LttvAttributeValue v; |
791 | |
792 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
793 | LTTV_POINTER, &v); |
794 | g_free(*(v.v_pointer)); |
795 | *(v.v_pointer) = NULL; |
796 | } |
797 | |
798 | |
799 | typedef struct _LttvNameTables { |
eed2ef37 |
800 | // FIXME GQuark *eventtype_names; |
f95bc830 |
801 | GQuark *syscall_names; |
7cd289b0 |
802 | guint nb_syscalls; |
f95bc830 |
803 | GQuark *trap_names; |
804 | GQuark *irq_names; |
faf074a3 |
805 | GQuark *soft_irq_names; |
f95bc830 |
806 | } LttvNameTables; |
807 | |
808 | |
b445142a |
809 | static void |
f95bc830 |
810 | create_name_tables(LttvTraceState *tcs) |
b445142a |
811 | { |
812 | int i, nb; |
dc877563 |
813 | |
eed2ef37 |
814 | GQuark f_name, e_name; |
815 | |
021eeb41 |
816 | LttvTraceHook h; |
dc877563 |
817 | |
eed2ef37 |
818 | LttvTraceHookByFacility *thf; |
b445142a |
819 | |
820 | LttEventType *et; |
821 | |
822 | LttType *t; |
823 | |
824 | GString *fe_name = g_string_new(""); |
825 | |
f95bc830 |
826 | LttvNameTables *name_tables = g_new(LttvNameTables, 1); |
827 | |
828 | LttvAttributeValue v; |
829 | |
830 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
831 | LTTV_POINTER, &v); |
832 | g_assert(*(v.v_pointer) == NULL); |
833 | *(v.v_pointer) = name_tables; |
eed2ef37 |
834 | #if 0 // Use iteration over the facilities_by_name and then list all event |
835 | // types of each facility |
b445142a |
836 | nb = ltt_trace_eventtype_number(tcs->parent.t); |
f95bc830 |
837 | name_tables->eventtype_names = g_new(GQuark, nb); |
b445142a |
838 | for(i = 0 ; i < nb ; i++) { |
839 | et = ltt_trace_eventtype_get(tcs->parent.t, i); |
840 | e_name = ltt_eventtype_name(et); |
841 | f_name = ltt_facility_name(ltt_eventtype_facility(et)); |
842 | g_string_printf(fe_name, "%s.%s", f_name, e_name); |
f95bc830 |
843 | name_tables->eventtype_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
844 | } |
eed2ef37 |
845 | #endif //0 |
846 | if(lttv_trace_find_hook(tcs->parent.t, |
f5d7967f |
847 | LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY, |
eed2ef37 |
848 | LTT_FIELD_SYSCALL_ID, 0, 0, |
2c82c4dc |
849 | NULL, NULL, &h)) |
eed2ef37 |
850 | return; |
851 | |
021eeb41 |
852 | thf = lttv_trace_hook_get_first(&h); |
eed2ef37 |
853 | |
854 | t = ltt_field_type(thf->f1); |
d3cd9e86 |
855 | nb = ltt_type_element_number(t); |
eed2ef37 |
856 | |
021eeb41 |
857 | lttv_trace_hook_destroy(&h); |
b445142a |
858 | |
f95bc830 |
859 | name_tables->syscall_names = g_new(GQuark, nb); |
7cd289b0 |
860 | name_tables->nb_syscalls = nb; |
b445142a |
861 | |
862 | for(i = 0 ; i < nb ; i++) { |
d3cd9e86 |
863 | name_tables->syscall_names[i] = ltt_enum_string_get(t, i); |
b445142a |
864 | } |
b445142a |
865 | |
d3cd9e86 |
866 | //name_tables->syscall_names = g_new(GQuark, 256); |
867 | //for(i = 0 ; i < 256 ; i++) { |
868 | // g_string_printf(fe_name, "syscall %d", i); |
869 | // name_tables->syscall_names[i] = g_quark_from_string(fe_name->str); |
870 | //} |
b445142a |
871 | |
eed2ef37 |
872 | if(lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL, |
873 | LTT_EVENT_TRAP_ENTRY, |
874 | LTT_FIELD_TRAP_ID, 0, 0, |
2c82c4dc |
875 | NULL, NULL, &h)) |
eed2ef37 |
876 | return; |
877 | |
021eeb41 |
878 | thf = lttv_trace_hook_get_first(&h); |
eed2ef37 |
879 | |
880 | t = ltt_field_type(thf->f1); |
2312de30 |
881 | //nb = ltt_type_element_number(t); |
b445142a |
882 | |
021eeb41 |
883 | lttv_trace_hook_destroy(&h); |
eed2ef37 |
884 | |
b445142a |
885 | /* |
f95bc830 |
886 | name_tables->trap_names = g_new(GQuark, nb); |
b445142a |
887 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
888 | name_tables->trap_names[i] = g_quark_from_string( |
889 | ltt_enum_string_get(t, i)); |
b445142a |
890 | } |
891 | */ |
892 | |
f95bc830 |
893 | name_tables->trap_names = g_new(GQuark, 256); |
b445142a |
894 | for(i = 0 ; i < 256 ; i++) { |
895 | g_string_printf(fe_name, "trap %d", i); |
f95bc830 |
896 | name_tables->trap_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
897 | } |
898 | |
eed2ef37 |
899 | if(lttv_trace_find_hook(tcs->parent.t, |
900 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
901 | LTT_FIELD_IRQ_ID, 0, 0, |
2c82c4dc |
902 | NULL, NULL, &h)) |
eed2ef37 |
903 | return; |
904 | |
021eeb41 |
905 | thf = lttv_trace_hook_get_first(&h); |
eed2ef37 |
906 | |
907 | t = ltt_field_type(thf->f1); |
2312de30 |
908 | //nb = ltt_type_element_number(t); |
b445142a |
909 | |
021eeb41 |
910 | lttv_trace_hook_destroy(&h); |
eed2ef37 |
911 | |
b445142a |
912 | /* |
f95bc830 |
913 | name_tables->irq_names = g_new(GQuark, nb); |
b445142a |
914 | for(i = 0 ; i < nb ; i++) { |
f95bc830 |
915 | name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
b445142a |
916 | } |
917 | */ |
918 | |
f95bc830 |
919 | name_tables->irq_names = g_new(GQuark, 256); |
b445142a |
920 | for(i = 0 ; i < 256 ; i++) { |
921 | g_string_printf(fe_name, "irq %d", i); |
f95bc830 |
922 | name_tables->irq_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
923 | } |
924 | |
faf074a3 |
925 | /* |
926 | name_tables->soft_irq_names = g_new(GQuark, nb); |
927 | for(i = 0 ; i < nb ; i++) { |
928 | name_tables->soft_irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
929 | } |
930 | */ |
931 | |
932 | name_tables->soft_irq_names = g_new(GQuark, 256); |
933 | for(i = 0 ; i < 256 ; i++) { |
934 | g_string_printf(fe_name, "softirq %d", i); |
935 | name_tables->soft_irq_names[i] = g_quark_from_string(fe_name->str); |
936 | } |
937 | |
938 | |
b445142a |
939 | g_string_free(fe_name, TRUE); |
940 | } |
941 | |
942 | |
f95bc830 |
943 | static void |
944 | get_name_tables(LttvTraceState *tcs) |
945 | { |
946 | LttvNameTables *name_tables; |
947 | |
948 | LttvAttributeValue v; |
949 | |
950 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
951 | LTTV_POINTER, &v); |
952 | g_assert(*(v.v_pointer) != NULL); |
953 | name_tables = (LttvNameTables *)*(v.v_pointer); |
eed2ef37 |
954 | //tcs->eventtype_names = name_tables->eventtype_names; |
f95bc830 |
955 | tcs->syscall_names = name_tables->syscall_names; |
7cd289b0 |
956 | tcs->nb_syscalls = name_tables->nb_syscalls; |
f95bc830 |
957 | tcs->trap_names = name_tables->trap_names; |
958 | tcs->irq_names = name_tables->irq_names; |
faf074a3 |
959 | tcs->soft_irq_names = name_tables->soft_irq_names; |
f95bc830 |
960 | } |
961 | |
962 | |
b445142a |
963 | static void |
964 | free_name_tables(LttvTraceState *tcs) |
965 | { |
f95bc830 |
966 | LttvNameTables *name_tables; |
967 | |
968 | LttvAttributeValue v; |
969 | |
970 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
971 | LTTV_POINTER, &v); |
972 | name_tables = (LttvNameTables *)*(v.v_pointer); |
973 | *(v.v_pointer) = NULL; |
974 | |
eed2ef37 |
975 | // g_free(name_tables->eventtype_names); |
f95bc830 |
976 | g_free(name_tables->syscall_names); |
977 | g_free(name_tables->trap_names); |
978 | g_free(name_tables->irq_names); |
faf074a3 |
979 | g_free(name_tables->soft_irq_names); |
f95bc830 |
980 | g_free(name_tables); |
b445142a |
981 | } |
dc877563 |
982 | |
15b3d537 |
983 | #ifdef HASH_TABLE_DEBUG |
984 | |
985 | static void test_process(gpointer key, gpointer value, gpointer user_data) |
986 | { |
987 | LttvProcessState *process = (LttvProcessState *)value; |
988 | |
989 | /* Test for process corruption */ |
990 | guint stack_len = process->execution_stack->len; |
991 | } |
992 | |
993 | static void hash_table_check(GHashTable *table) |
994 | { |
995 | g_hash_table_foreach(table, test_process, NULL); |
996 | } |
997 | |
998 | |
999 | #endif |
1000 | |
1001 | |
b445142a |
1002 | static void push_state(LttvTracefileState *tfs, LttvExecutionMode t, |
ffd54a90 |
1003 | guint state_id) |
dc877563 |
1004 | { |
b445142a |
1005 | LttvExecutionState *es; |
348c6ba8 |
1006 | |
348c6ba8 |
1007 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
ae3d0f50 |
1008 | guint cpu = tfs->cpu; |
15b3d537 |
1009 | |
1010 | #ifdef HASH_TABLE_DEBUG |
1011 | hash_table_check(ts->processes); |
1012 | #endif |
348c6ba8 |
1013 | LttvProcessState *process = ts->running_process[cpu]; |
dc877563 |
1014 | |
b445142a |
1015 | guint depth = process->execution_stack->len; |
dc877563 |
1016 | |
e05fc742 |
1017 | process->execution_stack = |
1018 | g_array_set_size(process->execution_stack, depth + 1); |
1019 | /* Keep in sync */ |
1020 | process->state = |
1021 | &g_array_index(process->execution_stack, LttvExecutionState, depth - 1); |
1022 | |
b445142a |
1023 | es = &g_array_index(process->execution_stack, LttvExecutionState, depth); |
1024 | es->t = t; |
1025 | es->n = state_id; |
1026 | es->entry = es->change = tfs->parent.timestamp; |
1027 | es->s = process->state->s; |
1028 | process->state = es; |
dc877563 |
1029 | } |
1030 | |
1031 | |
b445142a |
1032 | static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t) |
dc877563 |
1033 | { |
ae3d0f50 |
1034 | guint cpu = tfs->cpu; |
348c6ba8 |
1035 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
1036 | LttvProcessState *process = ts->running_process[cpu]; |
dc877563 |
1037 | |
f95bc830 |
1038 | guint depth = process->execution_stack->len; |
dc877563 |
1039 | |
3d27549e |
1040 | if(process->state->t != t){ |
00e74b69 |
1041 | g_info("Different execution mode type (%lu.%09lu): ignore it\n", |
b445142a |
1042 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
08b1c66e |
1043 | g_info("process state has %s when pop_int is %s\n", |
8e8e6b64 |
1044 | g_quark_to_string(process->state->t), |
1045 | g_quark_to_string(t)); |
08b1c66e |
1046 | g_info("{ %u, %u, %s, %s }\n", |
8e8e6b64 |
1047 | process->pid, |
1048 | process->ppid, |
1049 | g_quark_to_string(process->name), |
1050 | g_quark_to_string(process->state->s)); |
3d27549e |
1051 | return; |
1052 | } |
b445142a |
1053 | |
f95bc830 |
1054 | if(depth == 1){ |
00e74b69 |
1055 | g_info("Trying to pop last state on stack (%lu.%09lu): ignore it\n", |
b445142a |
1056 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
1057 | return; |
1058 | } |
1059 | |
e05fc742 |
1060 | process->execution_stack = |
1061 | g_array_set_size(process->execution_stack, depth - 1); |
b445142a |
1062 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
f95bc830 |
1063 | depth - 2); |
b445142a |
1064 | process->state->change = tfs->parent.timestamp; |
dc877563 |
1065 | } |
1066 | |
6806b3c6 |
1067 | struct search_result { |
1068 | const LttTime *time; /* Requested time */ |
1069 | LttTime *best; /* Best result */ |
1070 | }; |
1071 | |
1072 | static gint search_usertrace(gconstpointer a, gconstpointer b) |
1073 | { |
1074 | const LttTime *elem_time = (const LttTime*)a; |
1075 | /* Explicit non const cast */ |
1076 | struct search_result *res = (struct search_result *)b; |
1077 | |
1078 | if(ltt_time_compare(*elem_time, *(res->time)) < 0) { |
1079 | /* The usertrace was created before the schedchange */ |
1080 | /* Get larger keys */ |
1081 | return 1; |
1082 | } else if(ltt_time_compare(*elem_time, *(res->time)) >= 0) { |
1083 | /* The usertrace was created after the schedchange time */ |
1084 | /* Get smaller keys */ |
1085 | if(res->best) { |
1086 | if(ltt_time_compare(*elem_time, *res->best) < 0) { |
1087 | res->best = elem_time; |
1088 | } |
1089 | } else { |
1090 | res->best = elem_time; |
1091 | } |
1092 | return -1; |
1093 | } |
1094 | } |
1095 | |
1096 | static LttvTracefileState *ltt_state_usertrace_find(LttvTraceState *tcs, |
1097 | guint pid, const LttTime *timestamp) |
1098 | { |
1099 | LttvTracefileState *tfs = NULL; |
1100 | struct search_result res; |
1101 | /* Find the usertrace associated with a pid and time interval. |
1102 | * Search in the usertraces by PID (within a hash) and then, for each |
1103 | * corresponding element of the array, find the first one with creation |
1104 | * timestamp the lowest, but higher or equal to "timestamp". */ |
1105 | res.time = timestamp; |
1106 | res.best = NULL; |
1107 | GTree *usertrace_tree = g_hash_table_lookup(tcs->usertraces, (gpointer)pid); |
1108 | if(usertrace_tree) { |
1109 | g_tree_search(usertrace_tree, search_usertrace, &res); |
1110 | if(res.best) |
1111 | tfs = g_tree_lookup(usertrace_tree, res.best); |
1112 | } |
1113 | |
1114 | return tfs; |
1115 | } |
1116 | |
dc877563 |
1117 | |
2a2fa4f0 |
1118 | LttvProcessState * |
348c6ba8 |
1119 | lttv_state_create_process(LttvTraceState *tcs, LttvProcessState *parent, |
b3fd4c02 |
1120 | guint cpu, guint pid, GQuark name, const LttTime *timestamp) |
dc877563 |
1121 | { |
1122 | LttvProcessState *process = g_new(LttvProcessState, 1); |
1123 | |
b445142a |
1124 | LttvExecutionState *es; |
dc877563 |
1125 | |
348c6ba8 |
1126 | LttvTraceContext *tc = (LttvTraceContext*)tcs; |
ba576a78 |
1127 | |
b445142a |
1128 | char buffer[128]; |
ffd54a90 |
1129 | |
dc877563 |
1130 | process->pid = pid; |
348c6ba8 |
1131 | process->cpu = cpu; |
b3fd4c02 |
1132 | process->name = name; |
348c6ba8 |
1133 | //process->last_cpu = tfs->cpu_name; |
1134 | //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf); |
7bfd7820 |
1135 | process->kernel_thread = 0; |
6806b3c6 |
1136 | process->usertrace = ltt_state_usertrace_find(tcs, pid, timestamp); |
7bfd7820 |
1137 | |
cb03932a |
1138 | g_info("Process %u, core %p", process->pid, process); |
2a2fa4f0 |
1139 | g_hash_table_insert(tcs->processes, process, process); |
b445142a |
1140 | |
1141 | if(parent) { |
1142 | process->ppid = parent->pid; |
348c6ba8 |
1143 | process->creation_time = *timestamp; |
b445142a |
1144 | } |
2a2fa4f0 |
1145 | |
1146 | /* No parent. This process exists but we are missing all information about |
1147 | its creation. The birth time is set to zero but we remember the time of |
1148 | insertion */ |
1149 | |
b445142a |
1150 | else { |
1151 | process->ppid = 0; |
2a2fa4f0 |
1152 | process->creation_time = ltt_time_zero; |
b445142a |
1153 | } |
1154 | |
348c6ba8 |
1155 | process->insertion_time = *timestamp; |
b445142a |
1156 | sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec, |
1157 | process->creation_time.tv_nsec); |
1158 | process->pid_time = g_quark_from_string(buffer); |
348c6ba8 |
1159 | process->cpu = cpu; |
1160 | //process->last_cpu = tfs->cpu_name; |
1161 | //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf); |
e8f2280c |
1162 | process->execution_stack = g_array_sized_new(FALSE, FALSE, |
1163 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
c607371b |
1164 | process->execution_stack = g_array_set_size(process->execution_stack, 2); |
b445142a |
1165 | es = process->state = &g_array_index(process->execution_stack, |
1166 | LttvExecutionState, 0); |
1167 | es->t = LTTV_STATE_USER_MODE; |
1168 | es->n = LTTV_STATE_SUBMODE_NONE; |
348c6ba8 |
1169 | es->entry = *timestamp; |
1170 | //g_assert(timestamp->tv_sec != 0); |
1171 | es->change = *timestamp; |
c607371b |
1172 | es->s = LTTV_STATE_RUN; |
1173 | |
1174 | es = process->state = &g_array_index(process->execution_stack, |
1175 | LttvExecutionState, 1); |
1176 | es->t = LTTV_STATE_SYSCALL; |
1177 | es->n = LTTV_STATE_SUBMODE_NONE; |
1178 | es->entry = *timestamp; |
1179 | //g_assert(timestamp->tv_sec != 0); |
1180 | es->change = *timestamp; |
b445142a |
1181 | es->s = LTTV_STATE_WAIT_FORK; |
cbe7c836 |
1182 | |
1183 | return process; |
dc877563 |
1184 | } |
1185 | |
348c6ba8 |
1186 | LttvProcessState *lttv_state_find_process(LttvTraceState *ts, guint cpu, |
41c7f803 |
1187 | guint pid) |
dc877563 |
1188 | { |
2a2fa4f0 |
1189 | LttvProcessState key; |
1190 | LttvProcessState *process; |
1191 | |
1192 | key.pid = pid; |
348c6ba8 |
1193 | key.cpu = cpu; |
2a2fa4f0 |
1194 | process = g_hash_table_lookup(ts->processes, &key); |
dc877563 |
1195 | return process; |
1196 | } |
1197 | |
2a2fa4f0 |
1198 | LttvProcessState * |
348c6ba8 |
1199 | lttv_state_find_process_or_create(LttvTraceState *ts, guint cpu, guint pid, |
1200 | LttTime *timestamp) |
2a2fa4f0 |
1201 | { |
348c6ba8 |
1202 | LttvProcessState *process = lttv_state_find_process(ts, cpu, pid); |
7bfd7820 |
1203 | LttvExecutionState *es; |
348c6ba8 |
1204 | |
1205 | /* Put ltt_time_zero creation time for unexisting processes */ |
7bfd7820 |
1206 | if(unlikely(process == NULL)) { |
1207 | process = lttv_state_create_process(ts, |
b3fd4c02 |
1208 | NULL, cpu, pid, LTTV_STATE_UNNAMED, timestamp); |
7bfd7820 |
1209 | /* We are not sure is it's a kernel thread or normal thread, put the |
1210 | * bottom stack state to unknown */ |
1211 | es = &g_array_index(process->execution_stack, LttvExecutionState, 0); |
1212 | es->t = LTTV_STATE_MODE_UNKNOWN; |
1213 | } |
2a2fa4f0 |
1214 | return process; |
1215 | } |
1216 | |
41c7f803 |
1217 | /* FIXME : this function should be called when we receive an event telling that |
1218 | * release_task has been called in the kernel. In happens generally when |
1219 | * the parent waits for its child terminaison, but may also happen in special |
1220 | * cases in the child's exit : when the parent ignores its children SIGCCHLD or |
1221 | * has the flag SA_NOCLDWAIT. It can also happen when the child is part |
1222 | * of a killed thread ground, but isn't the leader. |
41c7f803 |
1223 | */ |
b445142a |
1224 | static void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
dc877563 |
1225 | { |
ba576a78 |
1226 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
2a2fa4f0 |
1227 | LttvProcessState key; |
ba576a78 |
1228 | |
2a2fa4f0 |
1229 | key.pid = process->pid; |
348c6ba8 |
1230 | key.cpu = process->cpu; |
2a2fa4f0 |
1231 | g_hash_table_remove(ts->processes, &key); |
b445142a |
1232 | g_array_free(process->execution_stack, TRUE); |
dc877563 |
1233 | g_free(process); |
1234 | } |
1235 | |
1236 | |
b445142a |
1237 | static void free_process_state(gpointer key, gpointer value,gpointer user_data) |
dc877563 |
1238 | { |
b445142a |
1239 | g_array_free(((LttvProcessState *)value)->execution_stack, TRUE); |
dc877563 |
1240 | g_free(value); |
1241 | } |
1242 | |
1243 | |
308711e5 |
1244 | static void lttv_state_free_process_table(GHashTable *processes) |
dc877563 |
1245 | { |
1246 | g_hash_table_foreach(processes, free_process_state, NULL); |
308711e5 |
1247 | g_hash_table_destroy(processes); |
dc877563 |
1248 | } |
1249 | |
1250 | |
b445142a |
1251 | static gboolean syscall_entry(void *hook_data, void *call_data) |
dc877563 |
1252 | { |
ba576a78 |
1253 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1254 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1255 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1256 | LttField *f = thf->f1; |
dc877563 |
1257 | |
b445142a |
1258 | LttvExecutionSubmode submode; |
1259 | |
7cd289b0 |
1260 | guint nb_syscalls = ((LttvTraceState *)(s->parent.t_context))->nb_syscalls; |
1261 | guint syscall = ltt_event_get_unsigned(e, f); |
1262 | |
1263 | if(syscall < nb_syscalls) { |
1264 | submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[ |
1265 | syscall]; |
1266 | } else { |
1267 | /* Fixup an incomplete syscall table */ |
1268 | GString *string = g_string_new(""); |
1269 | g_string_printf(string, "syscall %u", syscall); |
1270 | submode = g_quark_from_string(string->str); |
1271 | g_string_free(string, TRUE); |
1272 | } |
b445142a |
1273 | push_state(s, LTTV_STATE_SYSCALL, submode); |
dc877563 |
1274 | return FALSE; |
1275 | } |
1276 | |
1277 | |
b445142a |
1278 | static gboolean syscall_exit(void *hook_data, void *call_data) |
dc877563 |
1279 | { |
ba576a78 |
1280 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1281 | |
ffd54a90 |
1282 | pop_state(s, LTTV_STATE_SYSCALL); |
dc877563 |
1283 | return FALSE; |
1284 | } |
1285 | |
1286 | |
b445142a |
1287 | static gboolean trap_entry(void *hook_data, void *call_data) |
dc877563 |
1288 | { |
ba576a78 |
1289 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1290 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1291 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1292 | LttField *f = thf->f1; |
dc877563 |
1293 | |
b445142a |
1294 | LttvExecutionSubmode submode; |
1295 | |
1296 | submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[ |
eed2ef37 |
1297 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1298 | push_state(s, LTTV_STATE_TRAP, submode); |
dc877563 |
1299 | return FALSE; |
1300 | } |
1301 | |
1302 | |
b445142a |
1303 | static gboolean trap_exit(void *hook_data, void *call_data) |
dc877563 |
1304 | { |
ba576a78 |
1305 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1306 | |
ffd54a90 |
1307 | pop_state(s, LTTV_STATE_TRAP); |
dc877563 |
1308 | return FALSE; |
1309 | } |
1310 | |
1311 | |
b445142a |
1312 | static gboolean irq_entry(void *hook_data, void *call_data) |
dc877563 |
1313 | { |
ba576a78 |
1314 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1315 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
9d239bd9 |
1316 | guint8 fac_id = ltt_event_facility_id(e); |
1317 | guint8 ev_id = ltt_event_eventtype_id(e); |
d052ffc3 |
1318 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
9d239bd9 |
1319 | // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL); |
1320 | g_assert(thf->f1 != NULL); |
1321 | // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data)); |
eed2ef37 |
1322 | LttField *f = thf->f1; |
dc877563 |
1323 | |
b445142a |
1324 | LttvExecutionSubmode submode; |
1325 | |
1326 | submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[ |
eed2ef37 |
1327 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1328 | |
dc877563 |
1329 | /* Do something with the info about being in user or system mode when int? */ |
b445142a |
1330 | push_state(s, LTTV_STATE_IRQ, submode); |
dc877563 |
1331 | return FALSE; |
1332 | } |
1333 | |
1334 | |
b445142a |
1335 | static gboolean irq_exit(void *hook_data, void *call_data) |
dc877563 |
1336 | { |
ba576a78 |
1337 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1338 | |
ffd54a90 |
1339 | pop_state(s, LTTV_STATE_IRQ); |
dc877563 |
1340 | return FALSE; |
1341 | } |
1342 | |
faf074a3 |
1343 | static gboolean soft_irq_entry(void *hook_data, void *call_data) |
1344 | { |
1345 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1346 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1347 | guint8 fac_id = ltt_event_facility_id(e); |
1348 | guint8 ev_id = ltt_event_eventtype_id(e); |
1349 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1350 | // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL); |
1351 | g_assert(thf->f1 != NULL); |
1352 | // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data)); |
1353 | LttField *f = thf->f1; |
1354 | |
1355 | LttvExecutionSubmode submode; |
1356 | |
1357 | submode = ((LttvTraceState *)(s->parent.t_context))->soft_irq_names[ |
1358 | ltt_event_get_unsigned(e, f)]; |
1359 | |
1360 | /* Do something with the info about being in user or system mode when int? */ |
1361 | push_state(s, LTTV_STATE_SOFT_IRQ, submode); |
1362 | return FALSE; |
1363 | } |
1364 | |
1365 | |
1366 | static gboolean soft_irq_exit(void *hook_data, void *call_data) |
1367 | { |
1368 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1369 | |
1370 | pop_state(s, LTTV_STATE_SOFT_IRQ); |
1371 | return FALSE; |
1372 | } |
1373 | |
dc877563 |
1374 | |
b445142a |
1375 | static gboolean schedchange(void *hook_data, void *call_data) |
dc877563 |
1376 | { |
ba576a78 |
1377 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
ae3d0f50 |
1378 | guint cpu = s->cpu; |
348c6ba8 |
1379 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1380 | LttvProcessState *process = ts->running_process[cpu]; |
48b002b8 |
1381 | LttvProcessState *old_process = ts->running_process[cpu]; |
348c6ba8 |
1382 | |
eed2ef37 |
1383 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1384 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
73394fd3 |
1385 | guint pid_in, pid_out; |
1386 | gint state_out; |
dc877563 |
1387 | |
eed2ef37 |
1388 | pid_out = ltt_event_get_unsigned(e, thf->f1); |
1389 | pid_in = ltt_event_get_unsigned(e, thf->f2); |
73394fd3 |
1390 | state_out = ltt_event_get_int(e, thf->f3); |
348c6ba8 |
1391 | |
1392 | if(likely(process != NULL)) { |
b445142a |
1393 | |
f95bc830 |
1394 | /* We could not know but it was not the idle process executing. |
1395 | This should only happen at the beginning, before the first schedule |
1396 | event, and when the initial information (current process for each CPU) |
1397 | is missing. It is not obvious how we could, after the fact, compensate |
1398 | the wrongly attributed statistics. */ |
1399 | |
240f1fea |
1400 | //This test only makes sense once the state is known and if there is no |
48b002b8 |
1401 | //missing events. We need to silently ignore schedchange coming after a |
1402 | //process_free, or it causes glitches. (FIXME) |
348c6ba8 |
1403 | //if(unlikely(process->pid != pid_out)) { |
1404 | // g_assert(process->pid == 0); |
240f1fea |
1405 | //} |
f95bc830 |
1406 | |
348c6ba8 |
1407 | if(unlikely(process->state->s == LTTV_STATE_EXIT)) { |
1408 | process->state->s = LTTV_STATE_ZOMBIE; |
791dffa6 |
1409 | process->state->change = s->parent.timestamp; |
dbd243b1 |
1410 | } else { |
348c6ba8 |
1411 | if(unlikely(state_out == 0)) process->state->s = LTTV_STATE_WAIT_CPU; |
1412 | else process->state->s = LTTV_STATE_WAIT; |
791dffa6 |
1413 | process->state->change = s->parent.timestamp; |
1414 | } |
48b002b8 |
1415 | |
1416 | if(state_out == 32) |
791dffa6 |
1417 | exit_process(s, process); /* EXIT_DEAD */ |
1418 | /* see sched.h for states */ |
dc877563 |
1419 | } |
348c6ba8 |
1420 | process = ts->running_process[cpu] = |
1421 | lttv_state_find_process_or_create( |
1422 | (LttvTraceState*)s->parent.t_context, |
1423 | cpu, pid_in, |
1424 | &s->parent.timestamp); |
1425 | process->state->s = LTTV_STATE_RUN; |
1426 | process->cpu = cpu; |
ae3d0f50 |
1427 | if(process->usertrace) |
1428 | process->usertrace->cpu = cpu; |
348c6ba8 |
1429 | // process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf); |
1430 | process->state->change = s->parent.timestamp; |
dc877563 |
1431 | return FALSE; |
1432 | } |
1433 | |
eed2ef37 |
1434 | static gboolean process_fork(void *hook_data, void *call_data) |
dc877563 |
1435 | { |
eed2ef37 |
1436 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1437 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1438 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1439 | guint parent_pid; |
2cdc690b |
1440 | guint child_pid; |
4ad73431 |
1441 | LttvProcessState *zombie_process; |
ae3d0f50 |
1442 | guint cpu = s->cpu; |
348c6ba8 |
1443 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1444 | LttvProcessState *process = ts->running_process[cpu]; |
26275aa2 |
1445 | LttvProcessState *child_process; |
2cdc690b |
1446 | |
eed2ef37 |
1447 | /* Parent PID */ |
b3fd4c02 |
1448 | parent_pid = ltt_event_get_unsigned(e, thf->f1); |
eed2ef37 |
1449 | |
2cdc690b |
1450 | /* Child PID */ |
b3fd4c02 |
1451 | child_pid = ltt_event_get_unsigned(e, thf->f2); |
2cdc690b |
1452 | |
15b3d537 |
1453 | /* Mathieu : it seems like the process might have been scheduled in before the |
1454 | * fork, and, in a rare case, might be the current process. This might happen |
d4942a23 |
1455 | * in a SMP case where we don't have enough precision on the clocks. |
1456 | * |
1457 | * Test reenabled after precision fixes on time. (Mathieu) */ |
791dffa6 |
1458 | #if 0 |
348c6ba8 |
1459 | zombie_process = lttv_state_find_process(ts, ANY_CPU, child_pid); |
dc877563 |
1460 | |
1d1df11d |
1461 | if(unlikely(zombie_process != NULL)) { |
4ad73431 |
1462 | /* Reutilisation of PID. Only now we are sure that the old PID |
eed2ef37 |
1463 | * has been released. FIXME : should know when release_task happens instead. |
4ad73431 |
1464 | */ |
15b3d537 |
1465 | guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
1466 | guint i; |
1467 | for(i=0; i< num_cpus; i++) { |
5ac05980 |
1468 | g_assert(zombie_process != ts->running_process[i]); |
15b3d537 |
1469 | } |
1470 | |
4ad73431 |
1471 | exit_process(s, zombie_process); |
1472 | } |
791dffa6 |
1473 | #endif //0 |
348c6ba8 |
1474 | g_assert(process->pid != child_pid); |
eed2ef37 |
1475 | // FIXME : Add this test in the "known state" section |
348c6ba8 |
1476 | // g_assert(process->pid == parent_pid); |
26275aa2 |
1477 | child_process = lttv_state_find_process(ts, ANY_CPU, child_pid); |
1478 | if(child_process == NULL) { |
ab893fb1 |
1479 | child_process = lttv_state_create_process(ts, process, cpu, |
b3fd4c02 |
1480 | child_pid, LTTV_STATE_UNNAMED, &s->parent.timestamp); |
26275aa2 |
1481 | } else { |
1482 | /* The process has already been created : due to time imprecision between |
791dffa6 |
1483 | * multiple CPUs : it has been scheduled in before creation. Note that we |
1484 | * shouldn't have this kind of imprecision. |
26275aa2 |
1485 | * |
1486 | * Simply put a correct parent. |
1487 | */ |
6806b3c6 |
1488 | g_assert(0); /* This is a problematic case : the process has been created |
1489 | before the fork event */ |
26275aa2 |
1490 | child_process->ppid = process->pid; |
1491 | } |
ab893fb1 |
1492 | g_assert(child_process->name == LTTV_STATE_UNNAMED); |
1493 | child_process->name = process->name; |
4ad73431 |
1494 | |
dc877563 |
1495 | return FALSE; |
1496 | } |
1497 | |
7bfd7820 |
1498 | /* We stamp a newly created process as kernel_thread */ |
1499 | static gboolean process_kernel_thread(void *hook_data, void *call_data) |
1500 | { |
1501 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1502 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1503 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1504 | guint pid; |
ae3d0f50 |
1505 | guint cpu = s->cpu; |
7bfd7820 |
1506 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1507 | LttvProcessState *process; |
1508 | LttvExecutionState *es; |
1509 | |
1510 | /* PID */ |
1511 | pid = ltt_event_get_unsigned(e, thf->f1); |
1512 | |
1513 | process = lttv_state_find_process(ts, ANY_CPU, pid); |
1514 | es = &g_array_index(process->execution_stack, LttvExecutionState, 0); |
1515 | es->t = LTTV_STATE_SYSCALL; |
1516 | process->kernel_thread = 1; |
1517 | |
1518 | return FALSE; |
1519 | } |
dc877563 |
1520 | |
eed2ef37 |
1521 | static gboolean process_exit(void *hook_data, void *call_data) |
dc877563 |
1522 | { |
eed2ef37 |
1523 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1524 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1525 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1526 | LttField *f; |
1527 | guint pid; |
ae3d0f50 |
1528 | guint cpu = s->cpu; |
348c6ba8 |
1529 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1530 | LttvProcessState *process = ts->running_process[cpu]; |
eed2ef37 |
1531 | |
1532 | pid = ltt_event_get_unsigned(e, thf->f1); |
1533 | |
1534 | // FIXME : Add this test in the "known state" section |
348c6ba8 |
1535 | // g_assert(process->pid == pid); |
eed2ef37 |
1536 | |
348c6ba8 |
1537 | if(likely(process != NULL)) { |
1538 | process->state->s = LTTV_STATE_EXIT; |
2cdc690b |
1539 | } |
1540 | return FALSE; |
2cdc690b |
1541 | } |
1542 | |
eed2ef37 |
1543 | static gboolean process_free(void *hook_data, void *call_data) |
2da61677 |
1544 | { |
eed2ef37 |
1545 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
348c6ba8 |
1546 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
eed2ef37 |
1547 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1548 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
2da61677 |
1549 | guint release_pid; |
1550 | LttvProcessState *process; |
1551 | |
1552 | /* PID of the process to release */ |
eed2ef37 |
1553 | release_pid = ltt_event_get_unsigned(e, thf->f1); |
15b3d537 |
1554 | |
1555 | g_assert(release_pid != 0); |
2da61677 |
1556 | |
348c6ba8 |
1557 | process = lttv_state_find_process(ts, ANY_CPU, release_pid); |
2da61677 |
1558 | |
1559 | if(likely(process != NULL)) { |
1560 | /* release_task is happening at kernel level : we can now safely release |
1561 | * the data structure of the process */ |
5562ddce |
1562 | //This test is fun, though, as it may happen that |
1563 | //at time t : CPU 0 : process_free |
1564 | //at time t+150ns : CPU 1 : schedule out |
1565 | //Clearly due to time imprecision, we disable it. (Mathieu) |
1566 | //If this weird case happen, we have no choice but to put the |
1567 | //Currently running process on the cpu to 0. |
791dffa6 |
1568 | //I re-enable it following time precision fixes. (Mathieu) |
1569 | //Well, in the case where an process is freed by a process on another CPU |
1570 | //and still scheduled, it happens that this is the schedchange that will |
1571 | //drop the last reference count. Do not free it here! |
0bd2f89c |
1572 | guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
1573 | guint i; |
1574 | for(i=0; i< num_cpus; i++) { |
5562ddce |
1575 | //g_assert(process != ts->running_process[i]); |
1576 | if(process == ts->running_process[i]) { |
791dffa6 |
1577 | //ts->running_process[i] = lttv_state_find_process(ts, i, 0); |
1578 | break; |
5562ddce |
1579 | } |
0bd2f89c |
1580 | } |
48b002b8 |
1581 | //if(i == num_cpus) /* process is not scheduled */ |
1582 | //exit_process(s, process); // do nothing : wait for the schedchange to |
1583 | //delete the process. |
2da61677 |
1584 | } |
1585 | |
1586 | return FALSE; |
1587 | } |
1588 | |
f4b88a7d |
1589 | |
1590 | static gboolean process_exec(void *hook_data, void *call_data) |
1591 | { |
1592 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1593 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1594 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1595 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
743e50fd |
1596 | //gchar *name; |
ae3d0f50 |
1597 | guint cpu = s->cpu; |
f4b88a7d |
1598 | LttvProcessState *process = ts->running_process[cpu]; |
1599 | |
1600 | /* PID of the process to release */ |
743e50fd |
1601 | guint64 name_len = ltt_event_field_element_number(e, thf->f1); |
1602 | //name = ltt_event_get_string(e, thf->f1); |
f2923fb2 |
1603 | LttField *child = ltt_event_field_element_select(e, thf->f1, 0); |
1604 | gchar *name_begin = |
1605 | (gchar*)(ltt_event_data(e)+ltt_event_field_offset(e, child)); |
743e50fd |
1606 | gchar *null_term_name = g_new(gchar, name_len+1); |
1607 | memcpy(null_term_name, name_begin, name_len); |
1608 | null_term_name[name_len] = '\0'; |
1609 | |
1610 | process->name = g_quark_from_string(null_term_name); |
f2923fb2 |
1611 | g_free(null_term_name); |
f4b88a7d |
1612 | return FALSE; |
1613 | } |
1614 | |
b3fd4c02 |
1615 | static gboolean enum_process_state(void *hook_data, void *call_data) |
1616 | { |
1617 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1618 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1619 | //It's slow : optimise later by doing this before reading trace. |
1620 | LttEventType *et = ltt_event_eventtype(e); |
1621 | // |
1622 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1623 | guint parent_pid; |
1624 | guint pid; |
1625 | gchar * command; |
ae3d0f50 |
1626 | guint cpu = s->cpu; |
b3fd4c02 |
1627 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1628 | LttvProcessState *process = ts->running_process[cpu]; |
1629 | LttvProcessState *parent_process; |
1630 | LttField *f4, *f5, *f6; |
1631 | GQuark mode, submode, status; |
f4b88a7d |
1632 | |
b3fd4c02 |
1633 | /* PID */ |
1634 | pid = ltt_event_get_unsigned(e, thf->f1); |
f4b88a7d |
1635 | |
b3fd4c02 |
1636 | /* Parent PID */ |
1637 | parent_pid = ltt_event_get_unsigned(e, thf->f2); |
1638 | |
1639 | /* Command name */ |
1640 | command = ltt_event_get_string(e, thf->f3); |
1641 | |
1642 | /* mode */ |
1643 | f4 = ltt_eventtype_field_by_name(et, LTT_FIELD_MODE); |
1644 | mode = ltt_enum_string_get(ltt_field_type(f4), |
1645 | ltt_event_get_unsigned(e, f4)); |
1646 | |
1647 | /* submode */ |
1648 | f5 = ltt_eventtype_field_by_name(et, LTT_FIELD_SUBMODE); |
1649 | submode = ltt_enum_string_get(ltt_field_type(f5), |
1650 | ltt_event_get_unsigned(e, f5)); |
1651 | |
1652 | /* status */ |
1653 | f6 = ltt_eventtype_field_by_name(et, LTT_FIELD_STATUS); |
1654 | status = ltt_enum_string_get(ltt_field_type(f6), |
1655 | ltt_event_get_unsigned(e, f6)); |
1656 | |
1657 | /* The process might exist if a process was forked while performing the sate dump. */ |
1658 | process = lttv_state_find_process(ts, ANY_CPU, pid); |
1659 | if(process == NULL) { |
1660 | parent_process = lttv_state_find_process(ts, ANY_CPU, parent_pid); |
1661 | process = lttv_state_create_process(ts, parent_process, cpu, |
1662 | pid, g_quark_from_string(command), |
1663 | &s->parent.timestamp); |
1664 | |
1665 | /* Keep the stack bottom : a running user mode */ |
ab893fb1 |
1666 | #if 0 |
1667 | /* Disabled because of inconsistencies in the current statedump states. */ |
b3fd4c02 |
1668 | if(mode == LTTV_STATE_USER_MODE) { |
1669 | /* Only keep the bottom */ |
1670 | process->execution_stack = g_array_set_size(process->execution_stack, 1); |
1671 | } else { |
1672 | /* On top of it : */ |
1673 | LttvExecutionState *es; |
1674 | es = process->state = &g_array_index(process->execution_stack, |
1675 | LttvExecutionState, 1); |
1676 | es->t = mode; |
1677 | es->s = status; |
1678 | es->n = submode; |
1679 | } |
ab893fb1 |
1680 | #endif //0 |
b3fd4c02 |
1681 | |
ab893fb1 |
1682 | /* UNKNOWN STATE */ |
1683 | { |
1684 | LttvExecutionState *es; |
1685 | es = process->state = &g_array_index(process->execution_stack, |
1686 | LttvExecutionState, 1); |
1687 | es->t = LTTV_STATE_MODE_UNKNOWN; |
1688 | es->s = LTTV_STATE_UNNAMED; |
1689 | es->n = LTTV_STATE_SUBMODE_UNKNOWN; |
1690 | } |
b3fd4c02 |
1691 | } else { |
1692 | /* The process has already been created : |
1693 | * Probably was forked while dumping the process state or |
1694 | * was simply scheduled in prior to get the state dump event. |
1695 | */ |
1696 | process->ppid = parent_pid; |
1697 | process->name = g_quark_from_string(command); |
1698 | /* Don't mess around with the stack, it will eventually become |
1699 | * ok after the end of state dump. */ |
1700 | } |
1701 | |
1702 | return FALSE; |
1703 | } |
f4b88a7d |
1704 | |
58c88a41 |
1705 | gint lttv_state_hook_add_event_hooks(void *hook_data, void *call_data) |
1706 | { |
1707 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1708 | |
1709 | lttv_state_add_event_hooks(tss); |
1710 | |
1711 | return 0; |
1712 | } |
dc877563 |
1713 | |
308711e5 |
1714 | void lttv_state_add_event_hooks(LttvTracesetState *self) |
dc877563 |
1715 | { |
ba576a78 |
1716 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
1717 | |
eed2ef37 |
1718 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
1719 | |
ba576a78 |
1720 | LttvTraceState *ts; |
dc877563 |
1721 | |
ba576a78 |
1722 | LttvTracefileState *tfs; |
dc877563 |
1723 | |
dc877563 |
1724 | GArray *hooks; |
1725 | |
eed2ef37 |
1726 | LttvTraceHookByFacility *thf; |
1727 | |
1728 | LttvTraceHook *hook; |
dc877563 |
1729 | |
1730 | LttvAttributeValue val; |
1731 | |
9d239bd9 |
1732 | gint ret; |
1733 | |
ba576a78 |
1734 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
1735 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
1736 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
1737 | |
1738 | /* Find the eventtype id for the following events and register the |
1739 | associated by id hooks. */ |
1740 | |
7bfd7820 |
1741 | hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 15); |
1742 | hooks = g_array_set_size(hooks, 15); |
b445142a |
1743 | |
9d239bd9 |
1744 | ret = lttv_trace_find_hook(ts->parent.t, |
f5d7967f |
1745 | LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY, |
eed2ef37 |
1746 | LTT_FIELD_SYSCALL_ID, 0, 0, |
2c82c4dc |
1747 | syscall_entry, NULL, &g_array_index(hooks, LttvTraceHook, 0)); |
9d239bd9 |
1748 | g_assert(!ret); |
cbe7c836 |
1749 | |
9d239bd9 |
1750 | ret = lttv_trace_find_hook(ts->parent.t, |
f5d7967f |
1751 | LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_EXIT, |
eed2ef37 |
1752 | 0, 0, 0, |
2c82c4dc |
1753 | syscall_exit, NULL, &g_array_index(hooks, LttvTraceHook, 1)); |
9d239bd9 |
1754 | g_assert(!ret); |
cbe7c836 |
1755 | |
9d239bd9 |
1756 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1757 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_ENTRY, |
1758 | LTT_FIELD_TRAP_ID, 0, 0, |
2c82c4dc |
1759 | trap_entry, NULL, &g_array_index(hooks, LttvTraceHook, 2)); |
9d239bd9 |
1760 | g_assert(!ret); |
cbe7c836 |
1761 | |
9d239bd9 |
1762 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1763 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_EXIT, |
1764 | 0, 0, 0, |
2c82c4dc |
1765 | trap_exit, NULL, &g_array_index(hooks, LttvTraceHook, 3)); |
9d239bd9 |
1766 | g_assert(!ret); |
cbe7c836 |
1767 | |
9d239bd9 |
1768 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1769 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
1770 | LTT_FIELD_IRQ_ID, 0, 0, |
2c82c4dc |
1771 | irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, 4)); |
9d239bd9 |
1772 | g_assert(!ret); |
cbe7c836 |
1773 | |
9d239bd9 |
1774 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1775 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_EXIT, |
1776 | 0, 0, 0, |
2c82c4dc |
1777 | irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, 5)); |
9d239bd9 |
1778 | g_assert(!ret); |
cbe7c836 |
1779 | |
faf074a3 |
1780 | ret = lttv_trace_find_hook(ts->parent.t, |
1781 | LTT_FACILITY_KERNEL, LTT_EVENT_SOFT_IRQ_ENTRY, |
1782 | LTT_FIELD_SOFT_IRQ_ID, 0, 0, |
1783 | soft_irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, 6)); |
1784 | g_assert(!ret); |
1785 | |
1786 | ret = lttv_trace_find_hook(ts->parent.t, |
1787 | LTT_FACILITY_KERNEL, LTT_EVENT_SOFT_IRQ_EXIT, |
1788 | 0, 0, 0, |
1789 | soft_irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, 7)); |
1790 | g_assert(!ret); |
1791 | |
9d239bd9 |
1792 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1793 | LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE, |
1794 | LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE, |
faf074a3 |
1795 | schedchange, NULL, &g_array_index(hooks, LttvTraceHook, 8)); |
9d239bd9 |
1796 | g_assert(!ret); |
cbe7c836 |
1797 | |
9d239bd9 |
1798 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1799 | LTT_FACILITY_PROCESS, LTT_EVENT_FORK, |
1800 | LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, 0, |
faf074a3 |
1801 | process_fork, NULL, &g_array_index(hooks, LttvTraceHook, 9)); |
9d239bd9 |
1802 | g_assert(!ret); |
eed2ef37 |
1803 | |
7bfd7820 |
1804 | ret = lttv_trace_find_hook(ts->parent.t, |
1805 | LTT_FACILITY_PROCESS, LTT_EVENT_KERNEL_THREAD, |
1806 | LTT_FIELD_PID, 0, 0, |
1807 | process_kernel_thread, NULL, &g_array_index(hooks, LttvTraceHook, 10)); |
1808 | g_assert(!ret); |
1809 | |
9d239bd9 |
1810 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1811 | LTT_FACILITY_PROCESS, LTT_EVENT_EXIT, |
1812 | LTT_FIELD_PID, 0, 0, |
7bfd7820 |
1813 | process_exit, NULL, &g_array_index(hooks, LttvTraceHook, 11)); |
9d239bd9 |
1814 | g_assert(!ret); |
eed2ef37 |
1815 | |
9d239bd9 |
1816 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1817 | LTT_FACILITY_PROCESS, LTT_EVENT_FREE, |
1818 | LTT_FIELD_PID, 0, 0, |
7bfd7820 |
1819 | process_free, NULL, &g_array_index(hooks, LttvTraceHook, 12)); |
9d239bd9 |
1820 | g_assert(!ret); |
2cdc690b |
1821 | |
f4b88a7d |
1822 | ret = lttv_trace_find_hook(ts->parent.t, |
1823 | LTT_FACILITY_FS, LTT_EVENT_EXEC, |
1824 | LTT_FIELD_FILENAME, 0, 0, |
7bfd7820 |
1825 | process_exec, NULL, &g_array_index(hooks, LttvTraceHook, 13)); |
f4b88a7d |
1826 | g_assert(!ret); |
1827 | |
b3fd4c02 |
1828 | /* statedump-related hooks */ |
1829 | ret = lttv_trace_find_hook(ts->parent.t, |
1830 | LTT_FACILITY_STATEDUMP, LTT_EVENT_ENUM_PROCESS_STATE, |
1831 | LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME, |
7bfd7820 |
1832 | enum_process_state, NULL, &g_array_index(hooks, LttvTraceHook, 14)); |
b3fd4c02 |
1833 | g_assert(!ret); |
f4b88a7d |
1834 | |
b3fd4c02 |
1835 | |
a5ba1787 |
1836 | /* Add these hooks to each event_by_id hooks list */ |
dc877563 |
1837 | |
eed2ef37 |
1838 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
1839 | |
dc877563 |
1840 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1841 | tfs = |
9d239bd9 |
1842 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1843 | LttvTracefileContext*, j)); |
dc877563 |
1844 | |
1845 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
1846 | hook = &g_array_index(hooks, LttvTraceHook, k); |
1847 | for(l=0;l<hook->fac_list->len;l++) { |
1848 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
1849 | lttv_hooks_add( |
1850 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
1851 | thf->h, |
d052ffc3 |
1852 | thf, |
eed2ef37 |
1853 | LTTV_PRIO_STATE); |
1854 | } |
ffd54a90 |
1855 | } |
dc877563 |
1856 | } |
f0b795e0 |
1857 | lttv_attribute_find(ts->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
ba576a78 |
1858 | *(val.v_pointer) = hooks; |
dc877563 |
1859 | } |
1860 | } |
1861 | |
58c88a41 |
1862 | gint lttv_state_hook_remove_event_hooks(void *hook_data, void *call_data) |
1863 | { |
1864 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1865 | |
1866 | lttv_state_remove_event_hooks(tss); |
1867 | |
1868 | return 0; |
1869 | } |
dc877563 |
1870 | |
308711e5 |
1871 | void lttv_state_remove_event_hooks(LttvTracesetState *self) |
dc877563 |
1872 | { |
ba576a78 |
1873 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
1874 | |
eed2ef37 |
1875 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
1876 | |
ba576a78 |
1877 | LttvTraceState *ts; |
dc877563 |
1878 | |
ba576a78 |
1879 | LttvTracefileState *tfs; |
dc877563 |
1880 | |
dc877563 |
1881 | GArray *hooks; |
1882 | |
eed2ef37 |
1883 | LttvTraceHook *hook; |
1884 | |
1885 | LttvTraceHookByFacility *thf; |
dc877563 |
1886 | |
1887 | LttvAttributeValue val; |
1888 | |
ba576a78 |
1889 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
1890 | for(i = 0 ; i < nb_trace ; i++) { |
021eeb41 |
1891 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
f0b795e0 |
1892 | lttv_attribute_find(ts->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
ba576a78 |
1893 | hooks = *(val.v_pointer); |
dc877563 |
1894 | |
a5ba1787 |
1895 | /* Remove these hooks from each event_by_id hooks list */ |
dc877563 |
1896 | |
eed2ef37 |
1897 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
1898 | |
dc877563 |
1899 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1900 | tfs = |
cb03932a |
1901 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
1902 | LttvTracefileContext*, j)); |
dc877563 |
1903 | |
1904 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
1905 | hook = &g_array_index(hooks, LttvTraceHook, k); |
1906 | for(l=0;l<hook->fac_list->len;l++) { |
1907 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
1908 | |
1909 | lttv_hooks_remove_data( |
1910 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
1911 | thf->h, |
d052ffc3 |
1912 | thf); |
eed2ef37 |
1913 | } |
ffd54a90 |
1914 | } |
dc877563 |
1915 | } |
1986f254 |
1916 | for(k = 0 ; k < hooks->len ; k++) |
1917 | lttv_trace_hook_destroy(&g_array_index(hooks, LttvTraceHook, k)); |
dc877563 |
1918 | g_array_free(hooks, TRUE); |
1919 | } |
1920 | } |
1921 | |
eed2ef37 |
1922 | static gboolean state_save_event_hook(void *hook_data, void *call_data) |
1923 | { |
1924 | guint *event_count = (guint*)hook_data; |
1925 | |
1926 | /* Only save at LTTV_STATE_SAVE_INTERVAL */ |
1927 | if(likely((*event_count)++ < LTTV_STATE_SAVE_INTERVAL)) |
1928 | return FALSE; |
1929 | else |
18c87975 |
1930 | *event_count = 0; |
eed2ef37 |
1931 | |
1932 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
1933 | |
1934 | LttvTracefileState *tfcs; |
1935 | |
1936 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1937 | |
1938 | LttEventPosition *ep; |
1939 | |
1940 | guint i; |
1941 | |
1942 | LttTracefile *tf; |
1943 | |
1944 | LttvAttribute *saved_states_tree, *saved_state_tree; |
1945 | |
1946 | LttvAttributeValue value; |
1947 | |
1948 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1949 | LTTV_STATE_SAVED_STATES); |
1950 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
1951 | value = lttv_attribute_add(saved_states_tree, |
1952 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
1953 | *(value.v_gobject) = (GObject *)saved_state_tree; |
1954 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
1955 | *(value.v_time) = self->parent.timestamp; |
1956 | lttv_state_save(tcs, saved_state_tree); |
1957 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
1958 | self->parent.timestamp.tv_nsec); |
1959 | |
1960 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
1961 | |
1962 | return FALSE; |
1963 | } |
1964 | |
14aecf75 |
1965 | static gboolean state_save_after_trace_hook(void *hook_data, void *call_data) |
1966 | { |
1967 | LttvTraceState *tcs = (LttvTraceState *)(call_data); |
1968 | |
1969 | *(tcs->max_time_state_recomputed_in_seek) = tcs->parent.time_span.end_time; |
1970 | |
1971 | return FALSE; |
1972 | } |
1973 | |
ae3d0f50 |
1974 | guint lttv_state_current_cpu(LttvTracefileState *tfs) |
1975 | { |
1976 | return tfs->cpu; |
1977 | } |
1978 | |
1979 | |
1980 | |
eed2ef37 |
1981 | #if 0 |
08b1c66e |
1982 | static gboolean block_start(void *hook_data, void *call_data) |
308711e5 |
1983 | { |
dbb7bb09 |
1984 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
308711e5 |
1985 | |
dbb7bb09 |
1986 | LttvTracefileState *tfcs; |
308711e5 |
1987 | |
dbb7bb09 |
1988 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
1989 | |
1990 | LttEventPosition *ep; |
308711e5 |
1991 | |
dbb7bb09 |
1992 | guint i, nb_block, nb_event, nb_tracefile; |
308711e5 |
1993 | |
1994 | LttTracefile *tf; |
1995 | |
1996 | LttvAttribute *saved_states_tree, *saved_state_tree; |
1997 | |
1998 | LttvAttributeValue value; |
1999 | |
dbb7bb09 |
2000 | ep = ltt_event_position_new(); |
eed2ef37 |
2001 | |
2002 | nb_tracefile = tcs->parent.tracefiles->len; |
dbb7bb09 |
2003 | |
2004 | /* Count the number of events added since the last block end in any |
2005 | tracefile. */ |
2006 | |
2007 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
2008 | tfcs = |
2009 | LTTV_TRACEFILE_STATE(&g_array_index(tcs->parent.tracefiles, |
2010 | LttvTracefileContext, i)); |
dbb7bb09 |
2011 | ltt_event_position(tfcs->parent.e, ep); |
2012 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
2013 | tcs->nb_event += nb_event - tfcs->saved_position; |
2014 | tfcs->saved_position = nb_event; |
2015 | } |
2016 | g_free(ep); |
308711e5 |
2017 | |
308711e5 |
2018 | if(tcs->nb_event >= tcs->save_interval) { |
2019 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
2020 | LTTV_STATE_SAVED_STATES); |
2021 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
2022 | value = lttv_attribute_add(saved_states_tree, |
2023 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
2024 | *(value.v_gobject) = (GObject *)saved_state_tree; |
2025 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
dbb7bb09 |
2026 | *(value.v_time) = self->parent.timestamp; |
308711e5 |
2027 | lttv_state_save(tcs, saved_state_tree); |
2028 | tcs->nb_event = 0; |
08b1c66e |
2029 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
2030 | self->parent.timestamp.tv_nsec); |
308711e5 |
2031 | } |
dbb7bb09 |
2032 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
308711e5 |
2033 | return FALSE; |
2034 | } |
eed2ef37 |
2035 | #endif //0 |
308711e5 |
2036 | |
eed2ef37 |
2037 | #if 0 |
08b1c66e |
2038 | static gboolean block_end(void *hook_data, void *call_data) |
2039 | { |
2040 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
2041 | |
2042 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
2043 | |
2044 | LttTracefile *tf; |
2045 | |
2046 | LttEventPosition *ep; |
2047 | |
2048 | guint nb_block, nb_event; |
2049 | |
2050 | ep = ltt_event_position_new(); |
2051 | ltt_event_position(self->parent.e, ep); |
2052 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
2053 | tcs->nb_event += nb_event - self->saved_position + 1; |
2054 | self->saved_position = 0; |
2055 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
2056 | g_free(ep); |
00e74b69 |
2057 | |
2058 | return FALSE; |
08b1c66e |
2059 | } |
eed2ef37 |
2060 | #endif //0 |
2061 | #if 0 |
308711e5 |
2062 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
2063 | { |
2064 | LttvTraceset *traceset = self->parent.ts; |
2065 | |
00e74b69 |
2066 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
2067 | |
2068 | LttvTraceState *ts; |
2069 | |
2070 | LttvTracefileState *tfs; |
2071 | |
08b1c66e |
2072 | LttvTraceHook hook_start, hook_end; |
308711e5 |
2073 | |
2074 | nb_trace = lttv_traceset_number(traceset); |
2075 | for(i = 0 ; i < nb_trace ; i++) { |
2076 | ts = (LttvTraceState *)self->parent.traces[i]; |
eed2ef37 |
2077 | |
08b1c66e |
2078 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
2079 | NULL, NULL, block_start, &hook_start); |
308711e5 |
2080 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
2081 | NULL, NULL, block_end, &hook_end); |
308711e5 |
2082 | |
eed2ef37 |
2083 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
2084 | |
dbb7bb09 |
2085 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
2086 | tfs = |
2087 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
2088 | LttvTracefileContext, j)); |
a5ba1787 |
2089 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
2090 | hook_start.id), hook_start.h, NULL, LTTV_PRIO_STATE); |
a5ba1787 |
2091 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
2092 | hook_end.id), hook_end.h, NULL, LTTV_PRIO_STATE); |
2093 | } |
2094 | } |
2095 | } |
2096 | #endif //0 |
2097 | |
2098 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
2099 | { |
2100 | LttvTraceset *traceset = self->parent.ts; |
2101 | |
2102 | guint i, j, nb_trace, nb_tracefile; |
2103 | |
2104 | LttvTraceState *ts; |
2105 | |
2106 | LttvTracefileState *tfs; |
2107 | |
2108 | |
2109 | nb_trace = lttv_traceset_number(traceset); |
2110 | for(i = 0 ; i < nb_trace ; i++) { |
2111 | |
2112 | ts = (LttvTraceState *)self->parent.traces[i]; |
2113 | nb_tracefile = ts->parent.tracefiles->len; |
2114 | |
3054461a |
2115 | guint *event_count = g_new(guint, 1); |
2116 | *event_count = 0; |
2117 | |
eed2ef37 |
2118 | for(j = 0 ; j < nb_tracefile ; j++) { |
2119 | tfs = |
cb03932a |
2120 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
2121 | LttvTracefileContext*, j)); |
eed2ef37 |
2122 | lttv_hooks_add(tfs->parent.event, |
2123 | state_save_event_hook, |
2124 | event_count, |
2125 | LTTV_PRIO_STATE); |
2126 | |
308711e5 |
2127 | } |
2128 | } |
14aecf75 |
2129 | |
2130 | lttv_process_traceset_begin(&self->parent, |
2131 | NULL, NULL, NULL, NULL, NULL); |
2132 | |
308711e5 |
2133 | } |
2134 | |
b56b5fec |
2135 | gint lttv_state_save_hook_add_event_hooks(void *hook_data, void *call_data) |
2136 | { |
2137 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
2138 | |
2139 | lttv_state_save_add_event_hooks(tss); |
2140 | |
2141 | return 0; |
2142 | } |
2143 | |
308711e5 |
2144 | |
eed2ef37 |
2145 | #if 0 |
308711e5 |
2146 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
2147 | { |
2148 | LttvTraceset *traceset = self->parent.ts; |
2149 | |
00e74b69 |
2150 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
2151 | |
2152 | LttvTraceState *ts; |
2153 | |
2154 | LttvTracefileState *tfs; |
2155 | |
08b1c66e |
2156 | LttvTraceHook hook_start, hook_end; |
308711e5 |
2157 | |
2158 | nb_trace = lttv_traceset_number(traceset); |
2159 | for(i = 0 ; i < nb_trace ; i++) { |
2160 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
eed2ef37 |
2161 | |
08b1c66e |
2162 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
2163 | NULL, NULL, block_start, &hook_start); |
2164 | |
308711e5 |
2165 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
2166 | NULL, NULL, block_end, &hook_end); |
308711e5 |
2167 | |
eed2ef37 |
2168 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
2169 | |
dbb7bb09 |
2170 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
2171 | tfs = |
2172 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
2173 | LttvTracefileContext, j)); |
308711e5 |
2174 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
2175 | tfs->parent.event_by_id, hook_start.id), hook_start.h, NULL); |
08b1c66e |
2176 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
2177 | tfs->parent.event_by_id, hook_end.id), hook_end.h, NULL); |
308711e5 |
2178 | } |
2179 | } |
2180 | } |
eed2ef37 |
2181 | #endif //0 |
2182 | |
2183 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
2184 | { |
2185 | LttvTraceset *traceset = self->parent.ts; |
2186 | |
2187 | guint i, j, nb_trace, nb_tracefile; |
2188 | |
2189 | LttvTraceState *ts; |
2190 | |
2191 | LttvTracefileState *tfs; |
2192 | |
14aecf75 |
2193 | LttvHooks *after_trace = lttv_hooks_new(); |
2194 | |
2195 | lttv_hooks_add(after_trace, |
2196 | state_save_after_trace_hook, |
2197 | NULL, |
2198 | LTTV_PRIO_STATE); |
2199 | |
2200 | |
2201 | lttv_process_traceset_end(&self->parent, |
2202 | NULL, after_trace, NULL, NULL, NULL); |
eed2ef37 |
2203 | |
14aecf75 |
2204 | lttv_hooks_destroy(after_trace); |
2205 | |
eed2ef37 |
2206 | nb_trace = lttv_traceset_number(traceset); |
2207 | for(i = 0 ; i < nb_trace ; i++) { |
2208 | |
2209 | ts = (LttvTraceState *)self->parent.traces[i]; |
2210 | nb_tracefile = ts->parent.tracefiles->len; |
2211 | |
22b165e9 |
2212 | guint *event_count = NULL; |
eed2ef37 |
2213 | |
2214 | for(j = 0 ; j < nb_tracefile ; j++) { |
2215 | tfs = |
cb03932a |
2216 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
2217 | LttvTracefileContext*, j)); |
eed2ef37 |
2218 | event_count = lttv_hooks_remove(tfs->parent.event, |
2219 | state_save_event_hook); |
eed2ef37 |
2220 | } |
22b165e9 |
2221 | if(event_count) g_free(event_count); |
eed2ef37 |
2222 | } |
2223 | } |
308711e5 |
2224 | |
b56b5fec |
2225 | gint lttv_state_save_hook_remove_event_hooks(void *hook_data, void *call_data) |
2226 | { |
2227 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
2228 | |
2229 | lttv_state_save_remove_event_hooks(tss); |
2230 | |
2231 | return 0; |
2232 | } |
308711e5 |
2233 | |
dd025f91 |
2234 | void lttv_state_traceset_seek_time_closest(LttvTracesetState *self, LttTime t) |
308711e5 |
2235 | { |
2236 | LttvTraceset *traceset = self->parent.ts; |
2237 | |
00e74b69 |
2238 | guint i, nb_trace; |
308711e5 |
2239 | |
2240 | int min_pos, mid_pos, max_pos; |
2241 | |
728d0c3e |
2242 | guint call_rest = 0; |
2243 | |
308711e5 |
2244 | LttvTraceState *tcs; |
2245 | |
2246 | LttvAttributeValue value; |
2247 | |
2248 | LttvAttributeType type; |
2249 | |
2250 | LttvAttributeName name; |
2251 | |
2252 | LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree; |
2253 | |
d448fce2 |
2254 | //g_tree_destroy(self->parent.pqueue); |
2255 | //self->parent.pqueue = g_tree_new(compare_tracefile); |
348c6ba8 |
2256 | |
728d0c3e |
2257 | g_info("Entering seek_time_closest for time %lu.%lu", t.tv_sec, t.tv_nsec); |
2258 | |
308711e5 |
2259 | nb_trace = lttv_traceset_number(traceset); |
2260 | for(i = 0 ; i < nb_trace ; i++) { |
2261 | tcs = (LttvTraceState *)self->parent.traces[i]; |
2262 | |
2a2fa4f0 |
2263 | if(ltt_time_compare(t, *(tcs->max_time_state_recomputed_in_seek)) < 0) { |
2264 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
2265 | LTTV_STATE_SAVED_STATES); |
2266 | min_pos = -1; |
2267 | |
2268 | if(saved_states_tree) { |
dd025f91 |
2269 | max_pos = lttv_attribute_get_number(saved_states_tree) - 1; |
2270 | mid_pos = max_pos / 2; |
2271 | while(min_pos < max_pos) { |
2272 | type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value); |
2273 | g_assert(type == LTTV_GOBJECT); |
2274 | saved_state_tree = *((LttvAttribute **)(value.v_gobject)); |
2275 | type = lttv_attribute_get_by_name(saved_state_tree, LTTV_STATE_TIME, |
2276 | &value); |
2277 | g_assert(type == LTTV_TIME); |
2278 | if(ltt_time_compare(*(value.v_time), t) < 0) { |
2279 | min_pos = mid_pos; |
2280 | closest_tree = saved_state_tree; |
2281 | } |
2282 | else max_pos = mid_pos - 1; |
2283 | |
2284 | mid_pos = (min_pos + max_pos + 1) / 2; |
2285 | } |
2a2fa4f0 |
2286 | } |
dd025f91 |
2287 | |
2a2fa4f0 |
2288 | /* restore the closest earlier saved state */ |
f95bc830 |
2289 | if(min_pos != -1) { |
2290 | lttv_state_restore(tcs, closest_tree); |
728d0c3e |
2291 | call_rest = 1; |
f95bc830 |
2292 | } |
dd025f91 |
2293 | |
2a2fa4f0 |
2294 | /* There is no saved state, yet we want to have it. Restart at T0 */ |
dd025f91 |
2295 | else { |
2296 | restore_init_state(tcs); |
2297 | lttv_process_trace_seek_time(&(tcs->parent), ltt_time_zero); |
308711e5 |
2298 | } |
9444deae |
2299 | } |
dd025f91 |
2300 | /* We want to seek quickly without restoring/updating the state */ |
2301 | else { |
308711e5 |
2302 | restore_init_state(tcs); |
dd025f91 |
2303 | lttv_process_trace_seek_time(&(tcs->parent), t); |
308711e5 |
2304 | } |
308711e5 |
2305 | } |
728d0c3e |
2306 | if(!call_rest) g_info("NOT Calling restore"); |
308711e5 |
2307 | } |
2308 | |
2309 | |
2310 | static void |
2311 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2312 | { |
2313 | } |
2314 | |
2315 | |
2316 | static void |
2317 | traceset_state_finalize (LttvTracesetState *self) |
2318 | { |
2319 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
2320 | finalize(G_OBJECT(self)); |
2321 | } |
2322 | |
2323 | |
2324 | static void |
2325 | traceset_state_class_init (LttvTracesetContextClass *klass) |
2326 | { |
2327 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2328 | |
2329 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
2330 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
2331 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
2332 | klass->new_traceset_context = new_traceset_context; |
2333 | klass->new_trace_context = new_trace_context; |
2334 | klass->new_tracefile_context = new_tracefile_context; |
2335 | } |
2336 | |
2337 | |
2338 | GType |
2339 | lttv_traceset_state_get_type(void) |
2340 | { |
2341 | static GType type = 0; |
2342 | if (type == 0) { |
2343 | static const GTypeInfo info = { |
2344 | sizeof (LttvTracesetStateClass), |
2345 | NULL, /* base_init */ |
2346 | NULL, /* base_finalize */ |
2347 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
2348 | NULL, /* class_finalize */ |
2349 | NULL, /* class_data */ |
dbb7bb09 |
2350 | sizeof (LttvTracesetState), |
308711e5 |
2351 | 0, /* n_preallocs */ |
00e74b69 |
2352 | (GInstanceInitFunc) traceset_state_instance_init, /* instance_init */ |
2353 | NULL /* value handling */ |
308711e5 |
2354 | }; |
2355 | |
2356 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
2357 | &info, 0); |
2358 | } |
2359 | return type; |
2360 | } |
2361 | |
2362 | |
2363 | static void |
2364 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2365 | { |
2366 | } |
2367 | |
2368 | |
2369 | static void |
2370 | trace_state_finalize (LttvTraceState *self) |
2371 | { |
2372 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE))-> |
2373 | finalize(G_OBJECT(self)); |
2374 | } |
2375 | |
2376 | |
2377 | static void |
2378 | trace_state_class_init (LttvTraceStateClass *klass) |
2379 | { |
2380 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2381 | |
2382 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
2383 | klass->state_save = state_save; |
2384 | klass->state_restore = state_restore; |
2385 | klass->state_saved_free = state_saved_free; |
2386 | } |
2387 | |
2388 | |
2389 | GType |
2390 | lttv_trace_state_get_type(void) |
2391 | { |
2392 | static GType type = 0; |
2393 | if (type == 0) { |
2394 | static const GTypeInfo info = { |
2395 | sizeof (LttvTraceStateClass), |
2396 | NULL, /* base_init */ |
2397 | NULL, /* base_finalize */ |
2398 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
2399 | NULL, /* class_finalize */ |
2400 | NULL, /* class_data */ |
2401 | sizeof (LttvTraceState), |
2402 | 0, /* n_preallocs */ |
00e74b69 |
2403 | (GInstanceInitFunc) trace_state_instance_init, /* instance_init */ |
2404 | NULL /* value handling */ |
308711e5 |
2405 | }; |
2406 | |
2407 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
2408 | "LttvTraceStateType", &info, 0); |
2409 | } |
2410 | return type; |
2411 | } |
2412 | |
2413 | |
2414 | static void |
2415 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2416 | { |
2417 | } |
2418 | |
2419 | |
2420 | static void |
2421 | tracefile_state_finalize (LttvTracefileState *self) |
2422 | { |
2423 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE))-> |
2424 | finalize(G_OBJECT(self)); |
2425 | } |
2426 | |
2427 | |
2428 | static void |
2429 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
2430 | { |
2431 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2432 | |
2433 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
2434 | } |
2435 | |
2436 | |
2437 | GType |
2438 | lttv_tracefile_state_get_type(void) |
2439 | { |
2440 | static GType type = 0; |
2441 | if (type == 0) { |
2442 | static const GTypeInfo info = { |
2443 | sizeof (LttvTracefileStateClass), |
2444 | NULL, /* base_init */ |
2445 | NULL, /* base_finalize */ |
2446 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
2447 | NULL, /* class_finalize */ |
2448 | NULL, /* class_data */ |
2449 | sizeof (LttvTracefileState), |
2450 | 0, /* n_preallocs */ |
00e74b69 |
2451 | (GInstanceInitFunc) tracefile_state_instance_init, /* instance_init */ |
2452 | NULL /* value handling */ |
308711e5 |
2453 | }; |
2454 | |
2455 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
2456 | "LttvTracefileStateType", &info, 0); |
2457 | } |
2458 | return type; |
2459 | } |
2460 | |
2461 | |
08b1c66e |
2462 | static void module_init() |
ffd54a90 |
2463 | { |
2464 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
b3fd4c02 |
2465 | LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("MODE_UNKNOWN"); |
2466 | LTTV_STATE_USER_MODE = g_quark_from_string("USER_MODE"); |
2467 | LTTV_STATE_SYSCALL = g_quark_from_string("SYSCALL"); |
2468 | LTTV_STATE_TRAP = g_quark_from_string("TRAP"); |
2469 | LTTV_STATE_IRQ = g_quark_from_string("IRQ"); |
2470 | LTTV_STATE_SOFT_IRQ = g_quark_from_string("SOFTIRQ"); |
2471 | LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("UNKNOWN"); |
2472 | LTTV_STATE_SUBMODE_NONE = g_quark_from_string("NONE"); |
2473 | LTTV_STATE_WAIT_FORK = g_quark_from_string("WAIT_FORK"); |
2474 | LTTV_STATE_WAIT_CPU = g_quark_from_string("WAIT_CPU"); |
2475 | LTTV_STATE_EXIT = g_quark_from_string("EXIT"); |
2476 | LTTV_STATE_ZOMBIE = g_quark_from_string("ZOMBIE"); |
2477 | LTTV_STATE_WAIT = g_quark_from_string("WAIT"); |
2478 | LTTV_STATE_RUN = g_quark_from_string("RUN"); |
2479 | LTTV_STATE_DEAD = g_quark_from_string("DEAD"); |
308711e5 |
2480 | LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles"); |
2481 | LTTV_STATE_PROCESSES = g_quark_from_string("processes"); |
2482 | LTTV_STATE_PROCESS = g_quark_from_string("process"); |
348c6ba8 |
2483 | LTTV_STATE_RUNNING_PROCESS = g_quark_from_string("running_process"); |
308711e5 |
2484 | LTTV_STATE_EVENT = g_quark_from_string("event"); |
2485 | LTTV_STATE_SAVED_STATES = g_quark_from_string("saved states"); |
dbb7bb09 |
2486 | LTTV_STATE_SAVED_STATES_TIME = g_quark_from_string("saved states time"); |
308711e5 |
2487 | LTTV_STATE_TIME = g_quark_from_string("time"); |
ffd54a90 |
2488 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
f95bc830 |
2489 | LTTV_STATE_NAME_TABLES = g_quark_from_string("name tables"); |
2490 | LTTV_STATE_TRACE_STATE_USE_COUNT = |
2491 | g_quark_from_string("trace_state_use_count"); |
eed2ef37 |
2492 | |
2493 | |
2494 | LTT_FACILITY_KERNEL = g_quark_from_string("kernel"); |
f5d7967f |
2495 | LTT_FACILITY_KERNEL_ARCH = g_quark_from_string("kernel_arch"); |
eed2ef37 |
2496 | LTT_FACILITY_PROCESS = g_quark_from_string("process"); |
f4b88a7d |
2497 | LTT_FACILITY_FS = g_quark_from_string("fs"); |
b3fd4c02 |
2498 | LTT_FACILITY_STATEDUMP = g_quark_from_string("statedump"); |
eed2ef37 |
2499 | |
2500 | |
2501 | LTT_EVENT_SYSCALL_ENTRY = g_quark_from_string("syscall_entry"); |
2502 | LTT_EVENT_SYSCALL_EXIT = g_quark_from_string("syscall_exit"); |
2503 | LTT_EVENT_TRAP_ENTRY = g_quark_from_string("trap_entry"); |
2504 | LTT_EVENT_TRAP_EXIT = g_quark_from_string("trap_exit"); |
2505 | LTT_EVENT_IRQ_ENTRY = g_quark_from_string("irq_entry"); |
2506 | LTT_EVENT_IRQ_EXIT = g_quark_from_string("irq_exit"); |
faf074a3 |
2507 | LTT_EVENT_SOFT_IRQ_ENTRY = g_quark_from_string("soft_irq_entry"); |
2508 | LTT_EVENT_SOFT_IRQ_EXIT = g_quark_from_string("soft_irq_exit"); |
eed2ef37 |
2509 | LTT_EVENT_SCHEDCHANGE = g_quark_from_string("schedchange"); |
2510 | LTT_EVENT_FORK = g_quark_from_string("fork"); |
7bfd7820 |
2511 | LTT_EVENT_KERNEL_THREAD = g_quark_from_string("kernel_thread"); |
eed2ef37 |
2512 | LTT_EVENT_EXIT = g_quark_from_string("exit"); |
2513 | LTT_EVENT_FREE = g_quark_from_string("free"); |
f4b88a7d |
2514 | LTT_EVENT_EXEC = g_quark_from_string("exec"); |
b3fd4c02 |
2515 | LTT_EVENT_ENUM_PROCESS_STATE = g_quark_from_string("enumerate_process_state"); |
eed2ef37 |
2516 | |
2517 | |
2518 | LTT_FIELD_SYSCALL_ID = g_quark_from_string("syscall_id"); |
2519 | LTT_FIELD_TRAP_ID = g_quark_from_string("trap_id"); |
2520 | LTT_FIELD_IRQ_ID = g_quark_from_string("irq_id"); |
faf074a3 |
2521 | LTT_FIELD_SOFT_IRQ_ID = g_quark_from_string("softirq_id"); |
eed2ef37 |
2522 | LTT_FIELD_OUT = g_quark_from_string("out"); |
2523 | LTT_FIELD_IN = g_quark_from_string("in"); |
2524 | LTT_FIELD_OUT_STATE = g_quark_from_string("out_state"); |
2525 | LTT_FIELD_PARENT_PID = g_quark_from_string("parent_pid"); |
2526 | LTT_FIELD_CHILD_PID = g_quark_from_string("child_pid"); |
2527 | LTT_FIELD_PID = g_quark_from_string("pid"); |
f4b88a7d |
2528 | LTT_FIELD_FILENAME = g_quark_from_string("filename"); |
b3fd4c02 |
2529 | LTT_FIELD_NAME = g_quark_from_string("name"); |
2530 | LTT_FIELD_MODE = g_quark_from_string("mode"); |
2531 | LTT_FIELD_SUBMODE = g_quark_from_string("submode"); |
2532 | LTT_FIELD_STATUS = g_quark_from_string("status"); |
eed2ef37 |
2533 | |
ffd54a90 |
2534 | } |
dc877563 |
2535 | |
08b1c66e |
2536 | static void module_destroy() |
ffd54a90 |
2537 | { |
2538 | } |
dc877563 |
2539 | |
2540 | |
08b1c66e |
2541 | LTTV_MODULE("state", "State computation", \ |
2542 | "Update the system state, possibly saving it at intervals", \ |
2543 | module_init, module_destroy) |
2544 | |
dc877563 |
2545 | |
2546 | |