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, |
302efbad |
42 | LTT_FACILITY_STATEDUMP, |
43 | LTT_FACILITY_USER_GENERIC; |
eed2ef37 |
44 | |
45 | /* Events Quarks */ |
46 | |
47 | GQuark |
48 | LTT_EVENT_SYSCALL_ENTRY, |
49 | LTT_EVENT_SYSCALL_EXIT, |
50 | LTT_EVENT_TRAP_ENTRY, |
51 | LTT_EVENT_TRAP_EXIT, |
52 | LTT_EVENT_IRQ_ENTRY, |
53 | LTT_EVENT_IRQ_EXIT, |
faf074a3 |
54 | LTT_EVENT_SOFT_IRQ_ENTRY, |
55 | LTT_EVENT_SOFT_IRQ_EXIT, |
eed2ef37 |
56 | LTT_EVENT_SCHEDCHANGE, |
57 | LTT_EVENT_FORK, |
7bfd7820 |
58 | LTT_EVENT_KERNEL_THREAD, |
eed2ef37 |
59 | LTT_EVENT_EXIT, |
f4b88a7d |
60 | LTT_EVENT_FREE, |
b3fd4c02 |
61 | LTT_EVENT_EXEC, |
302efbad |
62 | LTT_EVENT_ENUM_PROCESS_STATE, |
63 | LTT_EVENT_FUNCTION_ENTRY, |
64 | LTT_EVENT_FUNCTION_EXIT; |
eed2ef37 |
65 | |
66 | /* Fields Quarks */ |
67 | |
68 | GQuark |
69 | LTT_FIELD_SYSCALL_ID, |
70 | LTT_FIELD_TRAP_ID, |
71 | LTT_FIELD_IRQ_ID, |
faf074a3 |
72 | LTT_FIELD_SOFT_IRQ_ID, |
eed2ef37 |
73 | LTT_FIELD_OUT, |
74 | LTT_FIELD_IN, |
75 | LTT_FIELD_OUT_STATE, |
76 | LTT_FIELD_PARENT_PID, |
77 | LTT_FIELD_CHILD_PID, |
f4b88a7d |
78 | LTT_FIELD_PID, |
b3fd4c02 |
79 | LTT_FIELD_FILENAME, |
80 | LTT_FIELD_NAME, |
81 | LTT_FIELD_MODE, |
82 | LTT_FIELD_SUBMODE, |
302efbad |
83 | LTT_FIELD_STATUS, |
84 | LTT_FIELD_THIS_FN, |
85 | LTT_FIELD_CALL_SITE; |
eed2ef37 |
86 | |
b445142a |
87 | LttvExecutionMode |
88 | LTTV_STATE_MODE_UNKNOWN, |
ffd54a90 |
89 | LTTV_STATE_USER_MODE, |
90 | LTTV_STATE_SYSCALL, |
91 | LTTV_STATE_TRAP, |
faf074a3 |
92 | LTTV_STATE_IRQ, |
93 | LTTV_STATE_SOFT_IRQ; |
ffd54a90 |
94 | |
b445142a |
95 | LttvExecutionSubmode |
96 | LTTV_STATE_SUBMODE_UNKNOWN, |
97 | LTTV_STATE_SUBMODE_NONE; |
ffd54a90 |
98 | |
99 | LttvProcessStatus |
100 | LTTV_STATE_UNNAMED, |
101 | LTTV_STATE_WAIT_FORK, |
102 | LTTV_STATE_WAIT_CPU, |
dbd243b1 |
103 | LTTV_STATE_EXIT, |
0828099d |
104 | LTTV_STATE_ZOMBIE, |
ffd54a90 |
105 | LTTV_STATE_WAIT, |
791dffa6 |
106 | LTTV_STATE_RUN, |
107 | LTTV_STATE_DEAD; |
ffd54a90 |
108 | |
ba576a78 |
109 | static GQuark |
308711e5 |
110 | LTTV_STATE_TRACEFILES, |
111 | LTTV_STATE_PROCESSES, |
112 | LTTV_STATE_PROCESS, |
348c6ba8 |
113 | LTTV_STATE_RUNNING_PROCESS, |
308711e5 |
114 | LTTV_STATE_EVENT, |
115 | LTTV_STATE_SAVED_STATES, |
dbb7bb09 |
116 | LTTV_STATE_SAVED_STATES_TIME, |
308711e5 |
117 | LTTV_STATE_TIME, |
f95bc830 |
118 | LTTV_STATE_HOOKS, |
119 | LTTV_STATE_NAME_TABLES, |
120 | LTTV_STATE_TRACE_STATE_USE_COUNT; |
ba576a78 |
121 | |
f95bc830 |
122 | static void create_max_time(LttvTraceState *tcs); |
123 | |
124 | static void get_max_time(LttvTraceState *tcs); |
125 | |
126 | static void free_max_time(LttvTraceState *tcs); |
127 | |
128 | static void create_name_tables(LttvTraceState *tcs); |
129 | |
130 | static void get_name_tables(LttvTraceState *tcs); |
b445142a |
131 | |
132 | static void free_name_tables(LttvTraceState *tcs); |
133 | |
f95bc830 |
134 | static void free_saved_state(LttvTraceState *tcs); |
135 | |
308711e5 |
136 | static void lttv_state_free_process_table(GHashTable *processes); |
ba576a78 |
137 | |
dc877563 |
138 | |
308711e5 |
139 | void lttv_state_save(LttvTraceState *self, LttvAttribute *container) |
140 | { |
141 | LTTV_TRACE_STATE_GET_CLASS(self)->state_save(self, container); |
142 | } |
143 | |
144 | |
145 | void lttv_state_restore(LttvTraceState *self, LttvAttribute *container) |
146 | { |
147 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
148 | } |
149 | |
150 | |
2d262115 |
151 | void lttv_state_state_saved_free(LttvTraceState *self, |
308711e5 |
152 | LttvAttribute *container) |
153 | { |
f95bc830 |
154 | LTTV_TRACE_STATE_GET_CLASS(self)->state_saved_free(self, container); |
308711e5 |
155 | } |
156 | |
157 | |
2a2fa4f0 |
158 | guint process_hash(gconstpointer key) |
159 | { |
7893f726 |
160 | guint pid = ((const LttvProcessState *)key)->pid; |
161 | return (pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ; |
2a2fa4f0 |
162 | } |
163 | |
164 | |
1d1df11d |
165 | /* If the hash table hash function is well distributed, |
166 | * the process_equal should compare different pid */ |
2a2fa4f0 |
167 | gboolean process_equal(gconstpointer a, gconstpointer b) |
168 | { |
00e74b69 |
169 | const LttvProcessState *process_a, *process_b; |
1d1df11d |
170 | gboolean ret = TRUE; |
171 | |
00e74b69 |
172 | process_a = (const LttvProcessState *)a; |
173 | process_b = (const LttvProcessState *)b; |
1d1df11d |
174 | |
175 | if(likely(process_a->pid != process_b->pid)) ret = FALSE; |
176 | else if(likely(process_a->pid == 0 && |
348c6ba8 |
177 | process_a->cpu != process_b->cpu)) ret = FALSE; |
2a2fa4f0 |
178 | |
1d1df11d |
179 | return ret; |
2a2fa4f0 |
180 | } |
181 | |
6806b3c6 |
182 | static void delete_usertrace(gpointer key, gpointer value, gpointer user_data) |
183 | { |
184 | g_tree_destroy((GTree*)value); |
185 | } |
186 | |
187 | static void lttv_state_free_usertraces(GHashTable *usertraces) |
188 | { |
189 | g_hash_table_foreach(usertraces, delete_usertrace, NULL); |
190 | g_hash_table_destroy(usertraces); |
191 | } |
192 | |
193 | |
2a2fa4f0 |
194 | |
308711e5 |
195 | static void |
196 | restore_init_state(LttvTraceState *self) |
197 | { |
348c6ba8 |
198 | guint i, nb_cpus; |
308711e5 |
199 | |
200 | LttvTracefileState *tfcs; |
201 | |
348c6ba8 |
202 | /* Free the process tables */ |
308711e5 |
203 | if(self->processes != NULL) lttv_state_free_process_table(self->processes); |
6806b3c6 |
204 | if(self->usertraces != NULL) lttv_state_free_usertraces(self->usertraces); |
2a2fa4f0 |
205 | self->processes = g_hash_table_new(process_hash, process_equal); |
6806b3c6 |
206 | self->usertraces = g_hash_table_new(g_direct_hash, g_direct_equal); |
308711e5 |
207 | self->nb_event = 0; |
208 | |
348c6ba8 |
209 | /* Seek time to beginning */ |
9ba3aaaf |
210 | // Mathieu : fix : don't seek traceset here : causes inconsistency in seek |
211 | // closest. It's the tracecontext job to seek the trace to the beginning |
212 | // anyway : the init state might be used at the middle of the trace as well... |
213 | //g_tree_destroy(self->parent.ts_context->pqueue); |
214 | //self->parent.ts_context->pqueue = g_tree_new(compare_tracefile); |
348c6ba8 |
215 | |
9ba3aaaf |
216 | |
217 | //lttv_process_trace_seek_time(&self->parent, ltt_time_zero); |
348c6ba8 |
218 | |
219 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
220 | |
221 | /* Put the per cpu running_process to beginning state : process 0. */ |
222 | for(i=0; i< nb_cpus; i++) { |
223 | self->running_process[i] = lttv_state_create_process(self, NULL, i, 0, |
b3fd4c02 |
224 | LTTV_STATE_UNNAMED, <t_time_zero); |
348c6ba8 |
225 | self->running_process[i]->state->s = LTTV_STATE_RUN; |
226 | self->running_process[i]->cpu = i; |
227 | } |
228 | |
229 | #if 0 |
eed2ef37 |
230 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
231 | |
dbb7bb09 |
232 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
233 | tfcs = |
cb03932a |
234 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
235 | LttvTracefileContext*, i)); |
d3e01c7a |
236 | ltt_trace_time_span_get(self->parent.t, &tfcs->parent.timestamp, NULL); |
eed2ef37 |
237 | // tfcs->saved_position = 0; |
2a2fa4f0 |
238 | tfcs->process = lttv_state_create_process(tfcs, NULL,0); |
239 | tfcs->process->state->s = LTTV_STATE_RUN; |
240 | tfcs->process->last_cpu = tfcs->cpu_name; |
2c82c4dc |
241 | tfcs->process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfcs)->tf); |
308711e5 |
242 | } |
348c6ba8 |
243 | #endif //0 |
308711e5 |
244 | } |
245 | |
348c6ba8 |
246 | //static LttTime time_zero = {0,0}; |
308711e5 |
247 | |
6806b3c6 |
248 | static gint compare_usertraces(gconstpointer a, gconstpointer b, |
249 | gpointer user_data) |
250 | { |
251 | const LttTime *t1 = (const LttTime *)a; |
252 | const LttTime *t2 = (const LttTime *)b; |
253 | |
254 | return ltt_time_compare(*t1, *t2); |
255 | } |
256 | |
257 | static void free_usertrace_key(gpointer data) |
258 | { |
259 | g_free(data); |
260 | } |
261 | |
dc877563 |
262 | static void |
263 | init(LttvTracesetState *self, LttvTraceset *ts) |
264 | { |
dbb7bb09 |
265 | guint i, j, nb_trace, nb_tracefile; |
dc877563 |
266 | |
ffd54a90 |
267 | LttvTraceContext *tc; |
dc877563 |
268 | |
ffd54a90 |
269 | LttvTraceState *tcs; |
270 | |
ffd54a90 |
271 | LttvTracefileState *tfcs; |
3d27549e |
272 | |
dbb7bb09 |
273 | LttvAttributeValue v; |
274 | |
b445142a |
275 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
276 | init((LttvTracesetContext *)self, ts); |
dc877563 |
277 | |
278 | nb_trace = lttv_traceset_number(ts); |
279 | for(i = 0 ; i < nb_trace ; i++) { |
b445142a |
280 | tc = self->parent.traces[i]; |
021eeb41 |
281 | tcs = LTTV_TRACE_STATE(tc); |
eed2ef37 |
282 | tcs->save_interval = LTTV_STATE_SAVE_INTERVAL; |
f95bc830 |
283 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
284 | LTTV_UINT, &v); |
285 | (*v.v_uint)++; |
dbb7bb09 |
286 | |
f95bc830 |
287 | if(*(v.v_uint) == 1) { |
288 | create_name_tables(tcs); |
289 | create_max_time(tcs); |
290 | } |
291 | get_name_tables(tcs); |
292 | get_max_time(tcs); |
dc877563 |
293 | |
eed2ef37 |
294 | nb_tracefile = tc->tracefiles->len; |
ae3d0f50 |
295 | tcs->processes = NULL; |
6806b3c6 |
296 | tcs->usertraces = NULL; |
ae3d0f50 |
297 | tcs->running_process = g_new(LttvProcessState*, |
298 | ltt_trace_get_num_cpu(tc->t)); |
299 | restore_init_state(tcs); |
dc877563 |
300 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
301 | tfcs = |
cb03932a |
302 | LTTV_TRACEFILE_STATE(g_array_index(tc->tracefiles, |
303 | LttvTracefileContext*, j)); |
348c6ba8 |
304 | tfcs->tracefile_name = ltt_tracefile_name(tfcs->parent.tf); |
ae3d0f50 |
305 | tfcs->cpu = ltt_tracefile_cpu(tfcs->parent.tf); |
6806b3c6 |
306 | #if 0 |
ae3d0f50 |
307 | if(ltt_tracefile_tid(tfcs->parent.tf) != 0) { |
308 | /* It's a Usertrace */ |
309 | LttvProcessState *process; |
310 | LttTime timestamp = |
311 | ltt_interpolate_time_from_tsc(tfcs->parent.tf, |
312 | ltt_tracefile_creation(tfcs->parent.tf)); |
313 | process = lttv_state_find_process_or_create( |
314 | tcs, |
315 | 0, ltt_tracefile_tid(tfcs->parent.tf), |
316 | ×tamp); |
317 | process->usertrace = tfcs; |
318 | } |
dc877563 |
319 | } |
6806b3c6 |
320 | #endif //0 |
321 | if(ltt_tracefile_tid(tfcs->parent.tf) != 0) { |
322 | /* It's a Usertrace */ |
323 | guint tid = ltt_tracefile_tid(tfcs->parent.tf); |
324 | GTree *usertrace_tree = (GTree*)g_hash_table_lookup(tcs->usertraces, |
325 | (gconstpointer)tid); |
326 | if(!usertrace_tree) { |
327 | usertrace_tree = g_tree_new_full(compare_usertraces, |
328 | NULL, free_usertrace_key, NULL); |
329 | g_hash_table_insert(tcs->usertraces, |
330 | (gpointer)tid, usertrace_tree); |
331 | } |
332 | LttTime *timestamp = g_new(LttTime, 1); |
333 | *timestamp = ltt_interpolate_time_from_tsc(tfcs->parent.tf, |
334 | ltt_tracefile_creation(tfcs->parent.tf)); |
335 | g_tree_insert(usertrace_tree, timestamp, tfcs); |
336 | } |
337 | } |
338 | |
dc877563 |
339 | } |
340 | } |
341 | |
dc877563 |
342 | static void |
343 | fini(LttvTracesetState *self) |
344 | { |
00e74b69 |
345 | guint i, nb_trace; |
dc877563 |
346 | |
ffd54a90 |
347 | LttvTraceState *tcs; |
dc877563 |
348 | |
ffd54a90 |
349 | LttvTracefileState *tfcs; |
dc877563 |
350 | |
f95bc830 |
351 | LttvAttributeValue v; |
352 | |
ffd54a90 |
353 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
dc877563 |
354 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
355 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
f95bc830 |
356 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT, |
357 | LTTV_UINT, &v); |
00e74b69 |
358 | |
359 | g_assert(*(v.v_uint) != 0); |
f95bc830 |
360 | (*v.v_uint)--; |
361 | |
f95bc830 |
362 | if(*(v.v_uint) == 0) { |
363 | free_name_tables(tcs); |
364 | free_max_time(tcs); |
365 | free_saved_state(tcs); |
366 | } |
348c6ba8 |
367 | g_free(tcs->running_process); |
368 | tcs->running_process = NULL; |
308711e5 |
369 | lttv_state_free_process_table(tcs->processes); |
6806b3c6 |
370 | lttv_state_free_usertraces(tcs->usertraces); |
308711e5 |
371 | tcs->processes = NULL; |
6806b3c6 |
372 | tcs->usertraces = NULL; |
dc877563 |
373 | } |
b445142a |
374 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
375 | fini((LttvTracesetContext *)self); |
dc877563 |
376 | } |
377 | |
378 | |
c432246e |
379 | static LttvTracesetContext * |
dc877563 |
380 | new_traceset_context(LttvTracesetContext *self) |
381 | { |
ffd54a90 |
382 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
dc877563 |
383 | } |
384 | |
385 | |
c432246e |
386 | static LttvTraceContext * |
dc877563 |
387 | new_trace_context(LttvTracesetContext *self) |
388 | { |
ffd54a90 |
389 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
dc877563 |
390 | } |
391 | |
392 | |
c432246e |
393 | static LttvTracefileContext * |
dc877563 |
394 | new_tracefile_context(LttvTracesetContext *self) |
395 | { |
ffd54a90 |
396 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
397 | } |
398 | |
399 | |
dbb7bb09 |
400 | /* Write the process state of the trace */ |
401 | |
402 | static void write_process_state(gpointer key, gpointer value, |
403 | gpointer user_data) |
404 | { |
405 | LttvProcessState *process; |
406 | |
407 | LttvExecutionState *es; |
408 | |
409 | FILE *fp = (FILE *)user_data; |
410 | |
411 | guint i; |
412 | |
413 | process = (LttvProcessState *)value; |
414 | fprintf(fp, |
348c6ba8 |
415 | " <PROCESS CORE=%p PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%u\">\n", |
f95bc830 |
416 | process, process->pid, process->ppid, process->creation_time.tv_sec, |
dbb7bb09 |
417 | process->creation_time.tv_nsec, g_quark_to_string(process->name), |
348c6ba8 |
418 | process->cpu); |
dbb7bb09 |
419 | |
420 | for(i = 0 ; i < process->execution_stack->len; i++) { |
421 | es = &g_array_index(process->execution_stack, LttvExecutionState, i); |
422 | fprintf(fp, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu", |
423 | g_quark_to_string(es->t), g_quark_to_string(es->n), |
424 | es->entry.tv_sec, es->entry.tv_nsec); |
425 | fprintf(fp, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n", |
426 | es->change.tv_sec, es->change.tv_nsec, g_quark_to_string(es->s)); |
427 | } |
428 | fprintf(fp, " </PROCESS>\n"); |
429 | } |
430 | |
431 | |
432 | void lttv_state_write(LttvTraceState *self, LttTime t, FILE *fp) |
433 | { |
eed2ef37 |
434 | guint i, nb_tracefile, nb_block, offset; |
435 | guint64 tsc; |
dbb7bb09 |
436 | |
437 | LttvTracefileState *tfcs; |
438 | |
439 | LttTracefile *tf; |
440 | |
441 | LttEventPosition *ep; |
442 | |
348c6ba8 |
443 | guint nb_cpus; |
444 | |
dbb7bb09 |
445 | ep = ltt_event_position_new(); |
446 | |
447 | fprintf(fp,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t.tv_sec, t.tv_nsec); |
448 | |
449 | g_hash_table_foreach(self->processes, write_process_state, fp); |
348c6ba8 |
450 | |
451 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
452 | for(i=0;i<nb_cpus;i++) { |
453 | fprintf(fp,"<CPU NUM=%u RUNNING_PROCESS=%u>\n", |
454 | i, self->running_process[i]->pid); |
455 | } |
dbb7bb09 |
456 | |
eed2ef37 |
457 | nb_tracefile = self->parent.tracefiles->len; |
dbb7bb09 |
458 | |
459 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
460 | tfcs = |
cb03932a |
461 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
462 | LttvTracefileContext*, i)); |
348c6ba8 |
463 | fprintf(fp, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu", |
464 | tfcs->parent.timestamp.tv_sec, |
08b1c66e |
465 | tfcs->parent.timestamp.tv_nsec); |
eed2ef37 |
466 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
467 | if(e == NULL) fprintf(fp,"/>\n"); |
dbb7bb09 |
468 | else { |
eed2ef37 |
469 | ltt_event_position(e, ep); |
470 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
27304273 |
471 | fprintf(fp, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block, offset, |
eed2ef37 |
472 | tsc); |
dbb7bb09 |
473 | } |
474 | } |
475 | g_free(ep); |
476 | fprintf(fp,"</PROCESS_STATE>"); |
477 | } |
478 | |
479 | |
480 | /* Copy each process from an existing hash table to a new one */ |
481 | |
308711e5 |
482 | static void copy_process_state(gpointer key, gpointer value,gpointer user_data) |
ffd54a90 |
483 | { |
308711e5 |
484 | LttvProcessState *process, *new_process; |
ffd54a90 |
485 | |
308711e5 |
486 | GHashTable *new_processes = (GHashTable *)user_data; |
ffd54a90 |
487 | |
308711e5 |
488 | guint i; |
489 | |
490 | process = (LttvProcessState *)value; |
491 | new_process = g_new(LttvProcessState, 1); |
492 | *new_process = *process; |
e8f2280c |
493 | new_process->execution_stack = g_array_sized_new(FALSE, FALSE, |
494 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
e05fc742 |
495 | new_process->execution_stack = |
496 | g_array_set_size(new_process->execution_stack, |
497 | process->execution_stack->len); |
308711e5 |
498 | for(i = 0 ; i < process->execution_stack->len; i++) { |
499 | g_array_index(new_process->execution_stack, LttvExecutionState, i) = |
500 | g_array_index(process->execution_stack, LttvExecutionState, i); |
501 | } |
502 | new_process->state = &g_array_index(new_process->execution_stack, |
503 | LttvExecutionState, new_process->execution_stack->len - 1); |
302efbad |
504 | new_process->user_stack = g_array_sized_new(FALSE, FALSE, |
505 | sizeof(guint64), 0); |
506 | new_process->user_stack = |
507 | g_array_set_size(new_process->user_stack, |
508 | process->user_stack->len); |
509 | for(i = 0 ; i < process->user_stack->len; i++) { |
510 | g_array_index(new_process->user_stack, guint64, i) = |
511 | g_array_index(process->user_stack, guint64, i); |
512 | } |
052a984f |
513 | new_process->current_function = process->current_function; |
2a2fa4f0 |
514 | g_hash_table_insert(new_processes, new_process, new_process); |
ffd54a90 |
515 | } |
516 | |
517 | |
308711e5 |
518 | static GHashTable *lttv_state_copy_process_table(GHashTable *processes) |
ffd54a90 |
519 | { |
2a2fa4f0 |
520 | GHashTable *new_processes = g_hash_table_new(process_hash, process_equal); |
ffd54a90 |
521 | |
308711e5 |
522 | g_hash_table_foreach(processes, copy_process_state, new_processes); |
523 | return new_processes; |
dc877563 |
524 | } |
525 | |
526 | |
308711e5 |
527 | /* The saved state for each trace contains a member "processes", which |
528 | stores a copy of the process table, and a member "tracefiles" with |
529 | one entry per tracefile. Each tracefile has a "process" member pointing |
530 | to the current process and a "position" member storing the tracefile |
531 | position (needed to seek to the current "next" event. */ |
532 | |
533 | static void state_save(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
534 | { |
348c6ba8 |
535 | guint i, nb_tracefile, nb_cpus; |
dc877563 |
536 | |
308711e5 |
537 | LttvTracefileState *tfcs; |
538 | |
539 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
348c6ba8 |
540 | |
541 | guint *running_process; |
308711e5 |
542 | |
543 | LttvAttributeType type; |
544 | |
545 | LttvAttributeValue value; |
546 | |
547 | LttvAttributeName name; |
548 | |
549 | LttEventPosition *ep; |
550 | |
551 | tracefiles_tree = lttv_attribute_find_subdir(container, |
552 | LTTV_STATE_TRACEFILES); |
553 | |
554 | value = lttv_attribute_add(container, LTTV_STATE_PROCESSES, |
555 | LTTV_POINTER); |
556 | *(value.v_pointer) = lttv_state_copy_process_table(self->processes); |
557 | |
348c6ba8 |
558 | /* Add the currently running processes array */ |
559 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
560 | running_process = g_new(guint, nb_cpus); |
561 | for(i=0;i<nb_cpus;i++) { |
562 | running_process[i] = self->running_process[i]->pid; |
563 | } |
564 | value = lttv_attribute_add(container, LTTV_STATE_RUNNING_PROCESS, |
565 | LTTV_POINTER); |
566 | *(value.v_pointer) = running_process; |
728d0c3e |
567 | |
568 | g_info("State save"); |
348c6ba8 |
569 | |
eed2ef37 |
570 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
571 | |
572 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
573 | tfcs = |
cb03932a |
574 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
575 | LttvTracefileContext*, i)); |
308711e5 |
576 | tracefile_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
577 | value = lttv_attribute_add(tracefiles_tree, i, |
578 | LTTV_GOBJECT); |
579 | *(value.v_gobject) = (GObject *)tracefile_tree; |
348c6ba8 |
580 | #if 0 |
308711e5 |
581 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_PROCESS, |
582 | LTTV_UINT); |
583 | *(value.v_uint) = tfcs->process->pid; |
348c6ba8 |
584 | #endif //0 |
308711e5 |
585 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_EVENT, |
586 | LTTV_POINTER); |
3054461a |
587 | /* Only save the position if the tfs has not infinite time. */ |
588 | //if(!g_tree_lookup(self->parent.ts_context->pqueue, &tfcs->parent) |
589 | // && current_tfcs != tfcs) { |
590 | if(ltt_time_compare(tfcs->parent.timestamp, ltt_time_infinite) == 0) { |
1986f254 |
591 | *(value.v_pointer) = NULL; |
592 | } else { |
593 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf); |
a5dcde2f |
594 | ep = ltt_event_position_new(); |
eed2ef37 |
595 | ltt_event_position(e, ep); |
308711e5 |
596 | *(value.v_pointer) = ep; |
08b1c66e |
597 | |
eed2ef37 |
598 | guint nb_block, offset; |
599 | guint64 tsc; |
08b1c66e |
600 | LttTracefile *tf; |
eed2ef37 |
601 | ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc); |
728d0c3e |
602 | g_info("Block %u offset %u tsc %llu time %lu.%lu", nb_block, offset, |
eed2ef37 |
603 | tsc, |
08b1c66e |
604 | tfcs->parent.timestamp.tv_sec, tfcs->parent.timestamp.tv_nsec); |
308711e5 |
605 | } |
dc877563 |
606 | } |
dc877563 |
607 | } |
608 | |
609 | |
308711e5 |
610 | static void state_restore(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
611 | { |
348c6ba8 |
612 | guint i, nb_tracefile, pid, nb_cpus; |
dc877563 |
613 | |
308711e5 |
614 | LttvTracefileState *tfcs; |
dc877563 |
615 | |
308711e5 |
616 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
617 | |
348c6ba8 |
618 | guint *running_process; |
619 | |
308711e5 |
620 | LttvAttributeType type; |
dc877563 |
621 | |
308711e5 |
622 | LttvAttributeValue value; |
dc877563 |
623 | |
308711e5 |
624 | LttvAttributeName name; |
dc877563 |
625 | |
c0cb4d12 |
626 | gboolean is_named; |
627 | |
308711e5 |
628 | LttEventPosition *ep; |
dc877563 |
629 | |
27304273 |
630 | LttvTracesetContext *tsc = self->parent.ts_context; |
631 | |
308711e5 |
632 | tracefiles_tree = lttv_attribute_find_subdir(container, |
633 | LTTV_STATE_TRACEFILES); |
dc877563 |
634 | |
308711e5 |
635 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
636 | &value); |
637 | g_assert(type == LTTV_POINTER); |
638 | lttv_state_free_process_table(self->processes); |
639 | self->processes = lttv_state_copy_process_table(*(value.v_pointer)); |
640 | |
348c6ba8 |
641 | /* Add the currently running processes array */ |
642 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
643 | type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS, |
644 | &value); |
645 | g_assert(type == LTTV_POINTER); |
646 | running_process = *(value.v_pointer); |
647 | for(i=0;i<nb_cpus;i++) { |
648 | pid = running_process[i]; |
649 | self->running_process[i] = lttv_state_find_process(self, i, pid); |
650 | g_assert(self->running_process[i] != NULL); |
651 | } |
652 | |
653 | |
eed2ef37 |
654 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
655 | |
d448fce2 |
656 | //g_tree_destroy(tsc->pqueue); |
657 | //tsc->pqueue = g_tree_new(compare_tracefile); |
e7f5e89d |
658 | |
308711e5 |
659 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
660 | tfcs = |
cb03932a |
661 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
662 | LttvTracefileContext*, i)); |
c0cb4d12 |
663 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value, &is_named); |
308711e5 |
664 | g_assert(type == LTTV_GOBJECT); |
665 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
348c6ba8 |
666 | #if 0 |
308711e5 |
667 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_PROCESS, |
668 | &value); |
669 | g_assert(type == LTTV_UINT); |
2a2fa4f0 |
670 | pid = *(value.v_uint); |
671 | tfcs->process = lttv_state_find_process_or_create(tfcs, pid); |
348c6ba8 |
672 | #endif //0 |
308711e5 |
673 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
674 | &value); |
675 | g_assert(type == LTTV_POINTER); |
e7f5e89d |
676 | //g_assert(*(value.v_pointer) != NULL); |
eed2ef37 |
677 | ep = *(value.v_pointer); |
678 | g_assert(tfcs->parent.t_context != NULL); |
27304273 |
679 | |
27304273 |
680 | LttvTracefileContext *tfc = LTTV_TRACEFILE_CONTEXT(tfcs); |
d448fce2 |
681 | g_tree_remove(tsc->pqueue, tfc); |
27304273 |
682 | |
1986f254 |
683 | if(ep != NULL) { |
684 | g_assert(ltt_tracefile_seek_position(tfc->tf, ep) == 0); |
685 | tfc->timestamp = ltt_event_time(ltt_tracefile_get_event(tfc->tf)); |
e7f5e89d |
686 | g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0); |
1986f254 |
687 | g_tree_insert(tsc->pqueue, tfc, tfc); |
728d0c3e |
688 | g_info("Restoring state for a tf at time %lu.%lu", tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec); |
1986f254 |
689 | } else { |
690 | tfc->timestamp = ltt_time_infinite; |
691 | } |
dc877563 |
692 | } |
dc877563 |
693 | } |
694 | |
695 | |
308711e5 |
696 | static void state_saved_free(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
697 | { |
348c6ba8 |
698 | guint i, nb_tracefile, nb_cpus; |
dc877563 |
699 | |
308711e5 |
700 | LttvTracefileState *tfcs; |
dc877563 |
701 | |
308711e5 |
702 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
703 | |
348c6ba8 |
704 | guint *running_process; |
705 | |
308711e5 |
706 | LttvAttributeType type; |
dc877563 |
707 | |
308711e5 |
708 | LttvAttributeValue value; |
dc877563 |
709 | |
308711e5 |
710 | LttvAttributeName name; |
dc877563 |
711 | |
c0cb4d12 |
712 | gboolean is_named; |
713 | |
308711e5 |
714 | LttEventPosition *ep; |
dc877563 |
715 | |
308711e5 |
716 | tracefiles_tree = lttv_attribute_find_subdir(container, |
717 | LTTV_STATE_TRACEFILES); |
c47a6dc6 |
718 | g_object_ref(G_OBJECT(tracefiles_tree)); |
308711e5 |
719 | lttv_attribute_remove_by_name(container, LTTV_STATE_TRACEFILES); |
dc877563 |
720 | |
308711e5 |
721 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
722 | &value); |
723 | g_assert(type == LTTV_POINTER); |
724 | lttv_state_free_process_table(*(value.v_pointer)); |
725 | *(value.v_pointer) = NULL; |
726 | lttv_attribute_remove_by_name(container, LTTV_STATE_PROCESSES); |
727 | |
348c6ba8 |
728 | /* Free running processes array */ |
729 | nb_cpus = ltt_trace_get_num_cpu(self->parent.t); |
728d0c3e |
730 | type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS, |
348c6ba8 |
731 | &value); |
732 | g_assert(type == LTTV_POINTER); |
733 | running_process = *(value.v_pointer); |
734 | g_free(running_process); |
735 | |
eed2ef37 |
736 | nb_tracefile = self->parent.tracefiles->len; |
308711e5 |
737 | |
738 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
739 | tfcs = |
cb03932a |
740 | LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles, |
741 | LttvTracefileContext*, i)); |
c0cb4d12 |
742 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value, &is_named); |
308711e5 |
743 | g_assert(type == LTTV_GOBJECT); |
744 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
745 | |
746 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
747 | &value); |
748 | g_assert(type == LTTV_POINTER); |
749 | if(*(value.v_pointer) != NULL) g_free(*(value.v_pointer)); |
dc877563 |
750 | } |
c47a6dc6 |
751 | g_object_unref(G_OBJECT(tracefiles_tree)); |
dc877563 |
752 | } |
753 | |
754 | |
f95bc830 |
755 | static void free_saved_state(LttvTraceState *self) |
756 | { |
757 | guint i, nb; |
758 | |
759 | LttvAttributeType type; |
760 | |
761 | LttvAttributeValue value; |
762 | |
763 | LttvAttributeName name; |
764 | |
c0cb4d12 |
765 | gboolean is_named; |
766 | |
f95bc830 |
767 | LttvAttribute *saved_states; |
768 | |
769 | saved_states = lttv_attribute_find_subdir(self->parent.t_a, |
770 | LTTV_STATE_SAVED_STATES); |
771 | |
772 | nb = lttv_attribute_get_number(saved_states); |
773 | for(i = 0 ; i < nb ; i++) { |
c0cb4d12 |
774 | type = lttv_attribute_get(saved_states, i, &name, &value, &is_named); |
f95bc830 |
775 | g_assert(type == LTTV_GOBJECT); |
776 | state_saved_free(self, *((LttvAttribute **)value.v_gobject)); |
777 | } |
778 | |
779 | lttv_attribute_remove_by_name(self->parent.t_a, LTTV_STATE_SAVED_STATES); |
f95bc830 |
780 | } |
781 | |
782 | |
783 | static void |
784 | create_max_time(LttvTraceState *tcs) |
785 | { |
786 | LttvAttributeValue v; |
787 | |
788 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
789 | LTTV_POINTER, &v); |
790 | g_assert(*(v.v_pointer) == NULL); |
791 | *(v.v_pointer) = g_new(LttTime,1); |
348c6ba8 |
792 | *((LttTime *)*(v.v_pointer)) = ltt_time_zero; |
f95bc830 |
793 | } |
794 | |
795 | |
796 | static void |
797 | get_max_time(LttvTraceState *tcs) |
798 | { |
799 | LttvAttributeValue v; |
800 | |
801 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
802 | LTTV_POINTER, &v); |
803 | g_assert(*(v.v_pointer) != NULL); |
804 | tcs->max_time_state_recomputed_in_seek = (LttTime *)*(v.v_pointer); |
805 | } |
806 | |
807 | |
808 | static void |
809 | free_max_time(LttvTraceState *tcs) |
810 | { |
811 | LttvAttributeValue v; |
812 | |
813 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_SAVED_STATES_TIME, |
814 | LTTV_POINTER, &v); |
815 | g_free(*(v.v_pointer)); |
816 | *(v.v_pointer) = NULL; |
817 | } |
818 | |
819 | |
820 | typedef struct _LttvNameTables { |
eed2ef37 |
821 | // FIXME GQuark *eventtype_names; |
f95bc830 |
822 | GQuark *syscall_names; |
7cd289b0 |
823 | guint nb_syscalls; |
f95bc830 |
824 | GQuark *trap_names; |
825 | GQuark *irq_names; |
faf074a3 |
826 | GQuark *soft_irq_names; |
f95bc830 |
827 | } LttvNameTables; |
828 | |
829 | |
b445142a |
830 | static void |
f95bc830 |
831 | create_name_tables(LttvTraceState *tcs) |
b445142a |
832 | { |
833 | int i, nb; |
dc877563 |
834 | |
eed2ef37 |
835 | GQuark f_name, e_name; |
836 | |
021eeb41 |
837 | LttvTraceHook h; |
dc877563 |
838 | |
eed2ef37 |
839 | LttvTraceHookByFacility *thf; |
b445142a |
840 | |
841 | LttEventType *et; |
842 | |
843 | LttType *t; |
844 | |
845 | GString *fe_name = g_string_new(""); |
846 | |
f95bc830 |
847 | LttvNameTables *name_tables = g_new(LttvNameTables, 1); |
848 | |
849 | LttvAttributeValue v; |
850 | |
851 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
852 | LTTV_POINTER, &v); |
853 | g_assert(*(v.v_pointer) == NULL); |
854 | *(v.v_pointer) = name_tables; |
eed2ef37 |
855 | #if 0 // Use iteration over the facilities_by_name and then list all event |
856 | // types of each facility |
b445142a |
857 | nb = ltt_trace_eventtype_number(tcs->parent.t); |
f95bc830 |
858 | name_tables->eventtype_names = g_new(GQuark, nb); |
b445142a |
859 | for(i = 0 ; i < nb ; i++) { |
860 | et = ltt_trace_eventtype_get(tcs->parent.t, i); |
861 | e_name = ltt_eventtype_name(et); |
862 | f_name = ltt_facility_name(ltt_eventtype_facility(et)); |
863 | g_string_printf(fe_name, "%s.%s", f_name, e_name); |
f95bc830 |
864 | name_tables->eventtype_names[i] = g_quark_from_string(fe_name->str); |
b445142a |
865 | } |
eed2ef37 |
866 | #endif //0 |
285468d4 |
867 | if(!lttv_trace_find_hook(tcs->parent.t, |
f5d7967f |
868 | LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY, |
eed2ef37 |
869 | LTT_FIELD_SYSCALL_ID, 0, 0, |
285468d4 |
870 | NULL, NULL, &h)) { |
871 | |
872 | thf = lttv_trace_hook_get_first(&h); |
873 | |
874 | t = ltt_field_type(thf->f1); |
875 | nb = ltt_type_element_number(t); |
876 | |
877 | lttv_trace_hook_destroy(&h); |
878 | |
879 | name_tables->syscall_names = g_new(GQuark, nb); |
880 | name_tables->nb_syscalls = nb; |
881 | |
882 | for(i = 0 ; i < nb ; i++) { |
883 | name_tables->syscall_names[i] = ltt_enum_string_get(t, i); |
884 | } |
885 | |
886 | //name_tables->syscall_names = g_new(GQuark, 256); |
887 | //for(i = 0 ; i < 256 ; i++) { |
888 | // g_string_printf(fe_name, "syscall %d", i); |
889 | // name_tables->syscall_names[i] = g_quark_from_string(fe_name->str); |
890 | //} |
891 | } else { |
892 | name_tables->syscall_names = NULL; |
893 | name_tables->nb_syscalls = 0; |
894 | } |
895 | |
896 | if(!lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL, |
eed2ef37 |
897 | LTT_EVENT_TRAP_ENTRY, |
898 | LTT_FIELD_TRAP_ID, 0, 0, |
285468d4 |
899 | NULL, NULL, &h)) { |
eed2ef37 |
900 | |
285468d4 |
901 | thf = lttv_trace_hook_get_first(&h); |
eed2ef37 |
902 | |
285468d4 |
903 | t = ltt_field_type(thf->f1); |
904 | //nb = ltt_type_element_number(t); |
b445142a |
905 | |
285468d4 |
906 | lttv_trace_hook_destroy(&h); |
eed2ef37 |
907 | |
285468d4 |
908 | /* |
909 | name_tables->trap_names = g_new(GQuark, nb); |
910 | for(i = 0 ; i < nb ; i++) { |
911 | name_tables->trap_names[i] = g_quark_from_string( |
912 | ltt_enum_string_get(t, i)); |
913 | } |
914 | */ |
b445142a |
915 | |
285468d4 |
916 | name_tables->trap_names = g_new(GQuark, 256); |
917 | for(i = 0 ; i < 256 ; i++) { |
918 | g_string_printf(fe_name, "trap %d", i); |
919 | name_tables->trap_names[i] = g_quark_from_string(fe_name->str); |
920 | } |
921 | } else { |
922 | name_tables->trap_names = NULL; |
923 | } |
b445142a |
924 | |
285468d4 |
925 | if(!lttv_trace_find_hook(tcs->parent.t, |
eed2ef37 |
926 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
927 | LTT_FIELD_IRQ_ID, 0, 0, |
285468d4 |
928 | NULL, NULL, &h)) { |
929 | |
930 | thf = lttv_trace_hook_get_first(&h); |
931 | |
932 | t = ltt_field_type(thf->f1); |
933 | //nb = ltt_type_element_number(t); |
934 | |
935 | lttv_trace_hook_destroy(&h); |
936 | |
937 | /* |
938 | name_tables->irq_names = g_new(GQuark, nb); |
939 | for(i = 0 ; i < nb ; i++) { |
940 | name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
941 | } |
942 | */ |
943 | |
944 | name_tables->irq_names = g_new(GQuark, 256); |
945 | for(i = 0 ; i < 256 ; i++) { |
946 | g_string_printf(fe_name, "irq %d", i); |
947 | name_tables->irq_names[i] = g_quark_from_string(fe_name->str); |
948 | } |
949 | } else { |
950 | name_tables->irq_names = NULL; |
951 | } |
faf074a3 |
952 | /* |
953 | name_tables->soft_irq_names = g_new(GQuark, nb); |
954 | for(i = 0 ; i < nb ; i++) { |
955 | name_tables->soft_irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
956 | } |
957 | */ |
958 | |
959 | name_tables->soft_irq_names = g_new(GQuark, 256); |
960 | for(i = 0 ; i < 256 ; i++) { |
961 | g_string_printf(fe_name, "softirq %d", i); |
962 | name_tables->soft_irq_names[i] = g_quark_from_string(fe_name->str); |
963 | } |
964 | |
965 | |
b445142a |
966 | g_string_free(fe_name, TRUE); |
967 | } |
968 | |
969 | |
f95bc830 |
970 | static void |
971 | get_name_tables(LttvTraceState *tcs) |
972 | { |
973 | LttvNameTables *name_tables; |
974 | |
975 | LttvAttributeValue v; |
976 | |
977 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
978 | LTTV_POINTER, &v); |
979 | g_assert(*(v.v_pointer) != NULL); |
980 | name_tables = (LttvNameTables *)*(v.v_pointer); |
eed2ef37 |
981 | //tcs->eventtype_names = name_tables->eventtype_names; |
f95bc830 |
982 | tcs->syscall_names = name_tables->syscall_names; |
7cd289b0 |
983 | tcs->nb_syscalls = name_tables->nb_syscalls; |
f95bc830 |
984 | tcs->trap_names = name_tables->trap_names; |
985 | tcs->irq_names = name_tables->irq_names; |
faf074a3 |
986 | tcs->soft_irq_names = name_tables->soft_irq_names; |
f95bc830 |
987 | } |
988 | |
989 | |
b445142a |
990 | static void |
991 | free_name_tables(LttvTraceState *tcs) |
992 | { |
f95bc830 |
993 | LttvNameTables *name_tables; |
994 | |
995 | LttvAttributeValue v; |
996 | |
997 | lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_NAME_TABLES, |
998 | LTTV_POINTER, &v); |
999 | name_tables = (LttvNameTables *)*(v.v_pointer); |
1000 | *(v.v_pointer) = NULL; |
1001 | |
eed2ef37 |
1002 | // g_free(name_tables->eventtype_names); |
285468d4 |
1003 | if(name_tables->syscall_names) g_free(name_tables->syscall_names); |
1004 | if(name_tables->trap_names) g_free(name_tables->trap_names); |
1005 | if(name_tables->irq_names) g_free(name_tables->irq_names); |
1006 | if(name_tables->soft_irq_names) g_free(name_tables->soft_irq_names); |
1007 | if(name_tables) g_free(name_tables); |
b445142a |
1008 | } |
dc877563 |
1009 | |
15b3d537 |
1010 | #ifdef HASH_TABLE_DEBUG |
1011 | |
1012 | static void test_process(gpointer key, gpointer value, gpointer user_data) |
1013 | { |
1014 | LttvProcessState *process = (LttvProcessState *)value; |
1015 | |
1016 | /* Test for process corruption */ |
1017 | guint stack_len = process->execution_stack->len; |
1018 | } |
1019 | |
1020 | static void hash_table_check(GHashTable *table) |
1021 | { |
1022 | g_hash_table_foreach(table, test_process, NULL); |
1023 | } |
1024 | |
1025 | |
1026 | #endif |
1027 | |
1028 | |
b445142a |
1029 | static void push_state(LttvTracefileState *tfs, LttvExecutionMode t, |
ffd54a90 |
1030 | guint state_id) |
dc877563 |
1031 | { |
b445142a |
1032 | LttvExecutionState *es; |
348c6ba8 |
1033 | |
348c6ba8 |
1034 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
ae3d0f50 |
1035 | guint cpu = tfs->cpu; |
15b3d537 |
1036 | |
1037 | #ifdef HASH_TABLE_DEBUG |
1038 | hash_table_check(ts->processes); |
1039 | #endif |
348c6ba8 |
1040 | LttvProcessState *process = ts->running_process[cpu]; |
dc877563 |
1041 | |
b445142a |
1042 | guint depth = process->execution_stack->len; |
dc877563 |
1043 | |
e05fc742 |
1044 | process->execution_stack = |
1045 | g_array_set_size(process->execution_stack, depth + 1); |
1046 | /* Keep in sync */ |
1047 | process->state = |
1048 | &g_array_index(process->execution_stack, LttvExecutionState, depth - 1); |
1049 | |
b445142a |
1050 | es = &g_array_index(process->execution_stack, LttvExecutionState, depth); |
1051 | es->t = t; |
1052 | es->n = state_id; |
1053 | es->entry = es->change = tfs->parent.timestamp; |
b49e54b4 |
1054 | es->cum_cpu_time = ltt_time_zero; |
b445142a |
1055 | es->s = process->state->s; |
1056 | process->state = es; |
dc877563 |
1057 | } |
1058 | |
b49e54b4 |
1059 | /* pop state |
1060 | * return 1 when empty, else 0 */ |
1061 | int lttv_state_pop_state_cleanup(LttvProcessState *process, |
1062 | LttvTracefileState *tfs) |
1063 | { |
1064 | guint cpu = tfs->cpu; |
1065 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
1066 | |
1067 | guint depth = process->execution_stack->len; |
1068 | |
1069 | if(depth == 1){ |
1070 | return 1; |
1071 | } |
1072 | |
1073 | process->execution_stack = |
1074 | g_array_set_size(process->execution_stack, depth - 1); |
1075 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
1076 | depth - 2); |
1077 | process->state->change = tfs->parent.timestamp; |
1078 | |
1079 | return 0; |
1080 | } |
dc877563 |
1081 | |
b445142a |
1082 | static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t) |
dc877563 |
1083 | { |
ae3d0f50 |
1084 | guint cpu = tfs->cpu; |
348c6ba8 |
1085 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
1086 | LttvProcessState *process = ts->running_process[cpu]; |
dc877563 |
1087 | |
f95bc830 |
1088 | guint depth = process->execution_stack->len; |
dc877563 |
1089 | |
3d27549e |
1090 | if(process->state->t != t){ |
00e74b69 |
1091 | g_info("Different execution mode type (%lu.%09lu): ignore it\n", |
b445142a |
1092 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
08b1c66e |
1093 | g_info("process state has %s when pop_int is %s\n", |
8e8e6b64 |
1094 | g_quark_to_string(process->state->t), |
1095 | g_quark_to_string(t)); |
08b1c66e |
1096 | g_info("{ %u, %u, %s, %s }\n", |
8e8e6b64 |
1097 | process->pid, |
1098 | process->ppid, |
1099 | g_quark_to_string(process->name), |
1100 | g_quark_to_string(process->state->s)); |
3d27549e |
1101 | return; |
1102 | } |
b445142a |
1103 | |
f95bc830 |
1104 | if(depth == 1){ |
00e74b69 |
1105 | g_info("Trying to pop last state on stack (%lu.%09lu): ignore it\n", |
b445142a |
1106 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
1107 | return; |
1108 | } |
1109 | |
e05fc742 |
1110 | process->execution_stack = |
1111 | g_array_set_size(process->execution_stack, depth - 1); |
b445142a |
1112 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
f95bc830 |
1113 | depth - 2); |
b445142a |
1114 | process->state->change = tfs->parent.timestamp; |
dc877563 |
1115 | } |
1116 | |
6806b3c6 |
1117 | struct search_result { |
1118 | const LttTime *time; /* Requested time */ |
1119 | LttTime *best; /* Best result */ |
1120 | }; |
1121 | |
1122 | static gint search_usertrace(gconstpointer a, gconstpointer b) |
1123 | { |
1124 | const LttTime *elem_time = (const LttTime*)a; |
1125 | /* Explicit non const cast */ |
1126 | struct search_result *res = (struct search_result *)b; |
1127 | |
1128 | if(ltt_time_compare(*elem_time, *(res->time)) < 0) { |
1129 | /* The usertrace was created before the schedchange */ |
1130 | /* Get larger keys */ |
1131 | return 1; |
1132 | } else if(ltt_time_compare(*elem_time, *(res->time)) >= 0) { |
1133 | /* The usertrace was created after the schedchange time */ |
1134 | /* Get smaller keys */ |
1135 | if(res->best) { |
1136 | if(ltt_time_compare(*elem_time, *res->best) < 0) { |
1137 | res->best = elem_time; |
1138 | } |
1139 | } else { |
1140 | res->best = elem_time; |
1141 | } |
1142 | return -1; |
1143 | } |
14236daa |
1144 | return 0; |
6806b3c6 |
1145 | } |
1146 | |
1147 | static LttvTracefileState *ltt_state_usertrace_find(LttvTraceState *tcs, |
1148 | guint pid, const LttTime *timestamp) |
1149 | { |
1150 | LttvTracefileState *tfs = NULL; |
1151 | struct search_result res; |
1152 | /* Find the usertrace associated with a pid and time interval. |
1153 | * Search in the usertraces by PID (within a hash) and then, for each |
1154 | * corresponding element of the array, find the first one with creation |
1155 | * timestamp the lowest, but higher or equal to "timestamp". */ |
1156 | res.time = timestamp; |
1157 | res.best = NULL; |
1158 | GTree *usertrace_tree = g_hash_table_lookup(tcs->usertraces, (gpointer)pid); |
1159 | if(usertrace_tree) { |
1160 | g_tree_search(usertrace_tree, search_usertrace, &res); |
1161 | if(res.best) |
1162 | tfs = g_tree_lookup(usertrace_tree, res.best); |
1163 | } |
1164 | |
1165 | return tfs; |
1166 | } |
1167 | |
dc877563 |
1168 | |
2a2fa4f0 |
1169 | LttvProcessState * |
348c6ba8 |
1170 | lttv_state_create_process(LttvTraceState *tcs, LttvProcessState *parent, |
b3fd4c02 |
1171 | guint cpu, guint pid, GQuark name, const LttTime *timestamp) |
dc877563 |
1172 | { |
1173 | LttvProcessState *process = g_new(LttvProcessState, 1); |
1174 | |
b445142a |
1175 | LttvExecutionState *es; |
dc877563 |
1176 | |
348c6ba8 |
1177 | LttvTraceContext *tc = (LttvTraceContext*)tcs; |
ba576a78 |
1178 | |
b445142a |
1179 | char buffer[128]; |
ffd54a90 |
1180 | |
dc877563 |
1181 | process->pid = pid; |
348c6ba8 |
1182 | process->cpu = cpu; |
b3fd4c02 |
1183 | process->name = name; |
348c6ba8 |
1184 | //process->last_cpu = tfs->cpu_name; |
1185 | //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf); |
7bfd7820 |
1186 | process->kernel_thread = 0; |
6806b3c6 |
1187 | process->usertrace = ltt_state_usertrace_find(tcs, pid, timestamp); |
302efbad |
1188 | process->current_function = 0; //function 0x0 by default. |
7bfd7820 |
1189 | |
cb03932a |
1190 | g_info("Process %u, core %p", process->pid, process); |
2a2fa4f0 |
1191 | g_hash_table_insert(tcs->processes, process, process); |
b445142a |
1192 | |
1193 | if(parent) { |
1194 | process->ppid = parent->pid; |
348c6ba8 |
1195 | process->creation_time = *timestamp; |
b445142a |
1196 | } |
2a2fa4f0 |
1197 | |
1198 | /* No parent. This process exists but we are missing all information about |
1199 | its creation. The birth time is set to zero but we remember the time of |
1200 | insertion */ |
1201 | |
b445142a |
1202 | else { |
1203 | process->ppid = 0; |
2a2fa4f0 |
1204 | process->creation_time = ltt_time_zero; |
b445142a |
1205 | } |
1206 | |
348c6ba8 |
1207 | process->insertion_time = *timestamp; |
b445142a |
1208 | sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec, |
1209 | process->creation_time.tv_nsec); |
1210 | process->pid_time = g_quark_from_string(buffer); |
348c6ba8 |
1211 | process->cpu = cpu; |
1212 | //process->last_cpu = tfs->cpu_name; |
1213 | //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf); |
e8f2280c |
1214 | process->execution_stack = g_array_sized_new(FALSE, FALSE, |
1215 | sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK); |
c607371b |
1216 | process->execution_stack = g_array_set_size(process->execution_stack, 2); |
b445142a |
1217 | es = process->state = &g_array_index(process->execution_stack, |
1218 | LttvExecutionState, 0); |
1219 | es->t = LTTV_STATE_USER_MODE; |
1220 | es->n = LTTV_STATE_SUBMODE_NONE; |
348c6ba8 |
1221 | es->entry = *timestamp; |
1222 | //g_assert(timestamp->tv_sec != 0); |
1223 | es->change = *timestamp; |
b49e54b4 |
1224 | es->cum_cpu_time = ltt_time_zero; |
c607371b |
1225 | es->s = LTTV_STATE_RUN; |
1226 | |
1227 | es = process->state = &g_array_index(process->execution_stack, |
1228 | LttvExecutionState, 1); |
1229 | es->t = LTTV_STATE_SYSCALL; |
1230 | es->n = LTTV_STATE_SUBMODE_NONE; |
1231 | es->entry = *timestamp; |
1232 | //g_assert(timestamp->tv_sec != 0); |
1233 | es->change = *timestamp; |
b49e54b4 |
1234 | es->cum_cpu_time = ltt_time_zero; |
b445142a |
1235 | es->s = LTTV_STATE_WAIT_FORK; |
302efbad |
1236 | |
1237 | /* Allocate an empty function call stack. If it's empty, use 0x0. */ |
1238 | process->user_stack = g_array_sized_new(FALSE, FALSE, |
1239 | sizeof(guint64), 0); |
1240 | |
cbe7c836 |
1241 | return process; |
dc877563 |
1242 | } |
1243 | |
348c6ba8 |
1244 | LttvProcessState *lttv_state_find_process(LttvTraceState *ts, guint cpu, |
41c7f803 |
1245 | guint pid) |
dc877563 |
1246 | { |
2a2fa4f0 |
1247 | LttvProcessState key; |
1248 | LttvProcessState *process; |
1249 | |
1250 | key.pid = pid; |
348c6ba8 |
1251 | key.cpu = cpu; |
2a2fa4f0 |
1252 | process = g_hash_table_lookup(ts->processes, &key); |
dc877563 |
1253 | return process; |
1254 | } |
1255 | |
2a2fa4f0 |
1256 | LttvProcessState * |
348c6ba8 |
1257 | lttv_state_find_process_or_create(LttvTraceState *ts, guint cpu, guint pid, |
1258 | LttTime *timestamp) |
2a2fa4f0 |
1259 | { |
348c6ba8 |
1260 | LttvProcessState *process = lttv_state_find_process(ts, cpu, pid); |
7bfd7820 |
1261 | LttvExecutionState *es; |
348c6ba8 |
1262 | |
1263 | /* Put ltt_time_zero creation time for unexisting processes */ |
7bfd7820 |
1264 | if(unlikely(process == NULL)) { |
1265 | process = lttv_state_create_process(ts, |
b3fd4c02 |
1266 | NULL, cpu, pid, LTTV_STATE_UNNAMED, timestamp); |
7bfd7820 |
1267 | /* We are not sure is it's a kernel thread or normal thread, put the |
1268 | * bottom stack state to unknown */ |
1269 | es = &g_array_index(process->execution_stack, LttvExecutionState, 0); |
1270 | es->t = LTTV_STATE_MODE_UNKNOWN; |
1271 | } |
2a2fa4f0 |
1272 | return process; |
1273 | } |
1274 | |
41c7f803 |
1275 | /* FIXME : this function should be called when we receive an event telling that |
1276 | * release_task has been called in the kernel. In happens generally when |
1277 | * the parent waits for its child terminaison, but may also happen in special |
1278 | * cases in the child's exit : when the parent ignores its children SIGCCHLD or |
1279 | * has the flag SA_NOCLDWAIT. It can also happen when the child is part |
1280 | * of a killed thread ground, but isn't the leader. |
41c7f803 |
1281 | */ |
b445142a |
1282 | static void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
dc877563 |
1283 | { |
ba576a78 |
1284 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
2a2fa4f0 |
1285 | LttvProcessState key; |
ba576a78 |
1286 | |
2a2fa4f0 |
1287 | key.pid = process->pid; |
348c6ba8 |
1288 | key.cpu = process->cpu; |
2a2fa4f0 |
1289 | g_hash_table_remove(ts->processes, &key); |
b445142a |
1290 | g_array_free(process->execution_stack, TRUE); |
302efbad |
1291 | g_array_free(process->user_stack, TRUE); |
dc877563 |
1292 | g_free(process); |
1293 | } |
1294 | |
1295 | |
b445142a |
1296 | static void free_process_state(gpointer key, gpointer value,gpointer user_data) |
dc877563 |
1297 | { |
b445142a |
1298 | g_array_free(((LttvProcessState *)value)->execution_stack, TRUE); |
302efbad |
1299 | g_array_free(((LttvProcessState *)value)->user_stack, TRUE); |
dc877563 |
1300 | g_free(value); |
1301 | } |
1302 | |
1303 | |
308711e5 |
1304 | static void lttv_state_free_process_table(GHashTable *processes) |
dc877563 |
1305 | { |
1306 | g_hash_table_foreach(processes, free_process_state, NULL); |
308711e5 |
1307 | g_hash_table_destroy(processes); |
dc877563 |
1308 | } |
1309 | |
1310 | |
b445142a |
1311 | static gboolean syscall_entry(void *hook_data, void *call_data) |
dc877563 |
1312 | { |
ba576a78 |
1313 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1314 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1315 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1316 | LttField *f = thf->f1; |
dc877563 |
1317 | |
b445142a |
1318 | LttvExecutionSubmode submode; |
1319 | |
7cd289b0 |
1320 | guint nb_syscalls = ((LttvTraceState *)(s->parent.t_context))->nb_syscalls; |
1321 | guint syscall = ltt_event_get_unsigned(e, f); |
1322 | |
1323 | if(syscall < nb_syscalls) { |
1324 | submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[ |
1325 | syscall]; |
1326 | } else { |
1327 | /* Fixup an incomplete syscall table */ |
1328 | GString *string = g_string_new(""); |
1329 | g_string_printf(string, "syscall %u", syscall); |
1330 | submode = g_quark_from_string(string->str); |
1331 | g_string_free(string, TRUE); |
1332 | } |
b445142a |
1333 | push_state(s, LTTV_STATE_SYSCALL, submode); |
dc877563 |
1334 | return FALSE; |
1335 | } |
1336 | |
1337 | |
b445142a |
1338 | static gboolean syscall_exit(void *hook_data, void *call_data) |
dc877563 |
1339 | { |
ba576a78 |
1340 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1341 | |
ffd54a90 |
1342 | pop_state(s, LTTV_STATE_SYSCALL); |
dc877563 |
1343 | return FALSE; |
1344 | } |
1345 | |
1346 | |
b445142a |
1347 | static gboolean trap_entry(void *hook_data, void *call_data) |
dc877563 |
1348 | { |
ba576a78 |
1349 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1350 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1351 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1352 | LttField *f = thf->f1; |
dc877563 |
1353 | |
b445142a |
1354 | LttvExecutionSubmode submode; |
1355 | |
1356 | submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[ |
eed2ef37 |
1357 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1358 | push_state(s, LTTV_STATE_TRAP, submode); |
dc877563 |
1359 | return FALSE; |
1360 | } |
1361 | |
1362 | |
b445142a |
1363 | static gboolean trap_exit(void *hook_data, void *call_data) |
dc877563 |
1364 | { |
ba576a78 |
1365 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1366 | |
ffd54a90 |
1367 | pop_state(s, LTTV_STATE_TRAP); |
dc877563 |
1368 | return FALSE; |
1369 | } |
1370 | |
1371 | |
b445142a |
1372 | static gboolean irq_entry(void *hook_data, void *call_data) |
dc877563 |
1373 | { |
ba576a78 |
1374 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
eed2ef37 |
1375 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
9d239bd9 |
1376 | guint8 fac_id = ltt_event_facility_id(e); |
1377 | guint8 ev_id = ltt_event_eventtype_id(e); |
d052ffc3 |
1378 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
9d239bd9 |
1379 | // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL); |
1380 | g_assert(thf->f1 != NULL); |
1381 | // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data)); |
eed2ef37 |
1382 | LttField *f = thf->f1; |
dc877563 |
1383 | |
b445142a |
1384 | LttvExecutionSubmode submode; |
1385 | |
1386 | submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[ |
eed2ef37 |
1387 | ltt_event_get_unsigned(e, f)]; |
b445142a |
1388 | |
dc877563 |
1389 | /* Do something with the info about being in user or system mode when int? */ |
b445142a |
1390 | push_state(s, LTTV_STATE_IRQ, submode); |
dc877563 |
1391 | return FALSE; |
1392 | } |
1393 | |
302efbad |
1394 | static gboolean soft_irq_exit(void *hook_data, void *call_data) |
1395 | { |
1396 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1397 | |
1398 | pop_state(s, LTTV_STATE_SOFT_IRQ); |
1399 | return FALSE; |
1400 | } |
1401 | |
1402 | |
dc877563 |
1403 | |
b445142a |
1404 | static gboolean irq_exit(void *hook_data, void *call_data) |
dc877563 |
1405 | { |
ba576a78 |
1406 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
1407 | |
ffd54a90 |
1408 | pop_state(s, LTTV_STATE_IRQ); |
dc877563 |
1409 | return FALSE; |
1410 | } |
1411 | |
faf074a3 |
1412 | static gboolean soft_irq_entry(void *hook_data, void *call_data) |
1413 | { |
1414 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1415 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1416 | guint8 fac_id = ltt_event_facility_id(e); |
1417 | guint8 ev_id = ltt_event_eventtype_id(e); |
1418 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1419 | // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL); |
1420 | g_assert(thf->f1 != NULL); |
1421 | // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data)); |
1422 | LttField *f = thf->f1; |
1423 | |
1424 | LttvExecutionSubmode submode; |
1425 | |
1426 | submode = ((LttvTraceState *)(s->parent.t_context))->soft_irq_names[ |
1427 | ltt_event_get_unsigned(e, f)]; |
1428 | |
1429 | /* Do something with the info about being in user or system mode when int? */ |
1430 | push_state(s, LTTV_STATE_SOFT_IRQ, submode); |
1431 | return FALSE; |
1432 | } |
1433 | |
302efbad |
1434 | static void push_function(LttvTracefileState *tfs, guint64 funcptr) |
1435 | { |
1436 | guint64 *new_func; |
1437 | |
1438 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
1439 | guint cpu = tfs->cpu; |
1440 | LttvProcessState *process = ts->running_process[cpu]; |
faf074a3 |
1441 | |
302efbad |
1442 | guint depth = process->user_stack->len; |
1443 | |
1444 | process->user_stack = |
1445 | g_array_set_size(process->user_stack, depth + 1); |
1446 | |
1447 | new_func = &g_array_index(process->user_stack, guint64, depth); |
1448 | *new_func = funcptr; |
9bff13df |
1449 | process->current_function = funcptr; |
302efbad |
1450 | } |
1451 | |
1452 | static void pop_function(LttvTracefileState *tfs, guint64 funcptr) |
1453 | { |
1454 | guint cpu = tfs->cpu; |
1455 | LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context; |
1456 | LttvProcessState *process = ts->running_process[cpu]; |
1457 | |
302efbad |
1458 | if(process->current_function != funcptr){ |
1459 | g_info("Different functions (%lu.%09lu): ignore it\n", |
1460 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
1461 | g_info("process state has %llu when pop_function is %llu\n", |
1462 | process->current_function, funcptr); |
1463 | g_info("{ %u, %u, %s, %s }\n", |
1464 | process->pid, |
1465 | process->ppid, |
1466 | g_quark_to_string(process->name), |
1467 | g_quark_to_string(process->state->s)); |
1468 | return; |
1469 | } |
9bff13df |
1470 | guint depth = process->user_stack->len; |
302efbad |
1471 | |
1472 | if(depth == 0){ |
1473 | g_info("Trying to pop last function on stack (%lu.%09lu): ignore it\n", |
1474 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
1475 | return; |
1476 | } |
1477 | |
1478 | process->user_stack = |
1479 | g_array_set_size(process->user_stack, depth - 1); |
1480 | process->current_function = |
1481 | g_array_index(process->user_stack, guint64, depth - 2); |
1482 | } |
1483 | |
1484 | |
1485 | static gboolean function_entry(void *hook_data, void *call_data) |
faf074a3 |
1486 | { |
1487 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
302efbad |
1488 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1489 | guint8 fac_id = ltt_event_facility_id(e); |
1490 | guint8 ev_id = ltt_event_eventtype_id(e); |
1491 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1492 | g_assert(thf->f1 != NULL); |
1493 | LttField *f = thf->f1; |
1494 | guint64 funcptr = ltt_event_get_long_unsigned(e, f); |
faf074a3 |
1495 | |
302efbad |
1496 | push_function(s, funcptr); |
faf074a3 |
1497 | return FALSE; |
1498 | } |
1499 | |
302efbad |
1500 | static gboolean function_exit(void *hook_data, void *call_data) |
1501 | { |
1502 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1503 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1504 | guint8 fac_id = ltt_event_facility_id(e); |
1505 | guint8 ev_id = ltt_event_eventtype_id(e); |
1506 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1507 | g_assert(thf->f1 != NULL); |
1508 | LttField *f = thf->f1; |
1509 | guint64 funcptr = ltt_event_get_long_unsigned(e, f); |
1510 | |
1511 | LttvExecutionSubmode submode; |
1512 | |
1513 | pop_function(s, funcptr); |
1514 | return FALSE; |
1515 | } |
dc877563 |
1516 | |
b445142a |
1517 | static gboolean schedchange(void *hook_data, void *call_data) |
dc877563 |
1518 | { |
ba576a78 |
1519 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
ae3d0f50 |
1520 | guint cpu = s->cpu; |
348c6ba8 |
1521 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1522 | LttvProcessState *process = ts->running_process[cpu]; |
48b002b8 |
1523 | LttvProcessState *old_process = ts->running_process[cpu]; |
348c6ba8 |
1524 | |
eed2ef37 |
1525 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1526 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
73394fd3 |
1527 | guint pid_in, pid_out; |
1528 | gint state_out; |
dc877563 |
1529 | |
eed2ef37 |
1530 | pid_out = ltt_event_get_unsigned(e, thf->f1); |
1531 | pid_in = ltt_event_get_unsigned(e, thf->f2); |
73394fd3 |
1532 | state_out = ltt_event_get_int(e, thf->f3); |
348c6ba8 |
1533 | |
1534 | if(likely(process != NULL)) { |
b445142a |
1535 | |
f95bc830 |
1536 | /* We could not know but it was not the idle process executing. |
1537 | This should only happen at the beginning, before the first schedule |
1538 | event, and when the initial information (current process for each CPU) |
1539 | is missing. It is not obvious how we could, after the fact, compensate |
1540 | the wrongly attributed statistics. */ |
1541 | |
240f1fea |
1542 | //This test only makes sense once the state is known and if there is no |
48b002b8 |
1543 | //missing events. We need to silently ignore schedchange coming after a |
1544 | //process_free, or it causes glitches. (FIXME) |
348c6ba8 |
1545 | //if(unlikely(process->pid != pid_out)) { |
1546 | // g_assert(process->pid == 0); |
240f1fea |
1547 | //} |
f95bc830 |
1548 | |
348c6ba8 |
1549 | if(unlikely(process->state->s == LTTV_STATE_EXIT)) { |
1550 | process->state->s = LTTV_STATE_ZOMBIE; |
791dffa6 |
1551 | process->state->change = s->parent.timestamp; |
dbd243b1 |
1552 | } else { |
348c6ba8 |
1553 | if(unlikely(state_out == 0)) process->state->s = LTTV_STATE_WAIT_CPU; |
1554 | else process->state->s = LTTV_STATE_WAIT; |
791dffa6 |
1555 | process->state->change = s->parent.timestamp; |
1556 | } |
48b002b8 |
1557 | |
1558 | if(state_out == 32) |
791dffa6 |
1559 | exit_process(s, process); /* EXIT_DEAD */ |
1560 | /* see sched.h for states */ |
dc877563 |
1561 | } |
348c6ba8 |
1562 | process = ts->running_process[cpu] = |
1563 | lttv_state_find_process_or_create( |
1564 | (LttvTraceState*)s->parent.t_context, |
1565 | cpu, pid_in, |
1566 | &s->parent.timestamp); |
1567 | process->state->s = LTTV_STATE_RUN; |
1568 | process->cpu = cpu; |
ae3d0f50 |
1569 | if(process->usertrace) |
1570 | process->usertrace->cpu = cpu; |
348c6ba8 |
1571 | // process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf); |
1572 | process->state->change = s->parent.timestamp; |
dc877563 |
1573 | return FALSE; |
1574 | } |
1575 | |
eed2ef37 |
1576 | static gboolean process_fork(void *hook_data, void *call_data) |
dc877563 |
1577 | { |
eed2ef37 |
1578 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1579 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1580 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1581 | guint parent_pid; |
2cdc690b |
1582 | guint child_pid; |
4ad73431 |
1583 | LttvProcessState *zombie_process; |
ae3d0f50 |
1584 | guint cpu = s->cpu; |
348c6ba8 |
1585 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1586 | LttvProcessState *process = ts->running_process[cpu]; |
26275aa2 |
1587 | LttvProcessState *child_process; |
2cdc690b |
1588 | |
eed2ef37 |
1589 | /* Parent PID */ |
b3fd4c02 |
1590 | parent_pid = ltt_event_get_unsigned(e, thf->f1); |
eed2ef37 |
1591 | |
2cdc690b |
1592 | /* Child PID */ |
b3fd4c02 |
1593 | child_pid = ltt_event_get_unsigned(e, thf->f2); |
2cdc690b |
1594 | |
15b3d537 |
1595 | /* Mathieu : it seems like the process might have been scheduled in before the |
1596 | * fork, and, in a rare case, might be the current process. This might happen |
d4942a23 |
1597 | * in a SMP case where we don't have enough precision on the clocks. |
1598 | * |
1599 | * Test reenabled after precision fixes on time. (Mathieu) */ |
791dffa6 |
1600 | #if 0 |
348c6ba8 |
1601 | zombie_process = lttv_state_find_process(ts, ANY_CPU, child_pid); |
dc877563 |
1602 | |
1d1df11d |
1603 | if(unlikely(zombie_process != NULL)) { |
4ad73431 |
1604 | /* Reutilisation of PID. Only now we are sure that the old PID |
eed2ef37 |
1605 | * has been released. FIXME : should know when release_task happens instead. |
4ad73431 |
1606 | */ |
15b3d537 |
1607 | guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
1608 | guint i; |
1609 | for(i=0; i< num_cpus; i++) { |
5ac05980 |
1610 | g_assert(zombie_process != ts->running_process[i]); |
15b3d537 |
1611 | } |
1612 | |
4ad73431 |
1613 | exit_process(s, zombie_process); |
1614 | } |
791dffa6 |
1615 | #endif //0 |
348c6ba8 |
1616 | g_assert(process->pid != child_pid); |
eed2ef37 |
1617 | // FIXME : Add this test in the "known state" section |
348c6ba8 |
1618 | // g_assert(process->pid == parent_pid); |
26275aa2 |
1619 | child_process = lttv_state_find_process(ts, ANY_CPU, child_pid); |
1620 | if(child_process == NULL) { |
ab893fb1 |
1621 | child_process = lttv_state_create_process(ts, process, cpu, |
b3fd4c02 |
1622 | child_pid, LTTV_STATE_UNNAMED, &s->parent.timestamp); |
26275aa2 |
1623 | } else { |
1624 | /* The process has already been created : due to time imprecision between |
791dffa6 |
1625 | * multiple CPUs : it has been scheduled in before creation. Note that we |
1626 | * shouldn't have this kind of imprecision. |
26275aa2 |
1627 | * |
1628 | * Simply put a correct parent. |
1629 | */ |
6806b3c6 |
1630 | g_assert(0); /* This is a problematic case : the process has been created |
1631 | before the fork event */ |
26275aa2 |
1632 | child_process->ppid = process->pid; |
1633 | } |
ab893fb1 |
1634 | g_assert(child_process->name == LTTV_STATE_UNNAMED); |
1635 | child_process->name = process->name; |
4ad73431 |
1636 | |
dc877563 |
1637 | return FALSE; |
1638 | } |
1639 | |
7bfd7820 |
1640 | /* We stamp a newly created process as kernel_thread */ |
1641 | static gboolean process_kernel_thread(void *hook_data, void *call_data) |
1642 | { |
1643 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1644 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1645 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1646 | guint pid; |
ae3d0f50 |
1647 | guint cpu = s->cpu; |
7bfd7820 |
1648 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1649 | LttvProcessState *process; |
1650 | LttvExecutionState *es; |
1651 | |
1652 | /* PID */ |
1653 | pid = ltt_event_get_unsigned(e, thf->f1); |
1654 | |
1655 | process = lttv_state_find_process(ts, ANY_CPU, pid); |
1656 | es = &g_array_index(process->execution_stack, LttvExecutionState, 0); |
1657 | es->t = LTTV_STATE_SYSCALL; |
1658 | process->kernel_thread = 1; |
1659 | |
1660 | return FALSE; |
1661 | } |
dc877563 |
1662 | |
eed2ef37 |
1663 | static gboolean process_exit(void *hook_data, void *call_data) |
dc877563 |
1664 | { |
eed2ef37 |
1665 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1666 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1667 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
eed2ef37 |
1668 | LttField *f; |
1669 | guint pid; |
ae3d0f50 |
1670 | guint cpu = s->cpu; |
348c6ba8 |
1671 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1672 | LttvProcessState *process = ts->running_process[cpu]; |
eed2ef37 |
1673 | |
1674 | pid = ltt_event_get_unsigned(e, thf->f1); |
1675 | |
1676 | // FIXME : Add this test in the "known state" section |
348c6ba8 |
1677 | // g_assert(process->pid == pid); |
eed2ef37 |
1678 | |
348c6ba8 |
1679 | if(likely(process != NULL)) { |
1680 | process->state->s = LTTV_STATE_EXIT; |
2cdc690b |
1681 | } |
1682 | return FALSE; |
2cdc690b |
1683 | } |
1684 | |
eed2ef37 |
1685 | static gboolean process_free(void *hook_data, void *call_data) |
2da61677 |
1686 | { |
eed2ef37 |
1687 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
348c6ba8 |
1688 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
eed2ef37 |
1689 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
d052ffc3 |
1690 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
2da61677 |
1691 | guint release_pid; |
1692 | LttvProcessState *process; |
1693 | |
1694 | /* PID of the process to release */ |
eed2ef37 |
1695 | release_pid = ltt_event_get_unsigned(e, thf->f1); |
15b3d537 |
1696 | |
1697 | g_assert(release_pid != 0); |
2da61677 |
1698 | |
348c6ba8 |
1699 | process = lttv_state_find_process(ts, ANY_CPU, release_pid); |
2da61677 |
1700 | |
1701 | if(likely(process != NULL)) { |
1702 | /* release_task is happening at kernel level : we can now safely release |
1703 | * the data structure of the process */ |
5562ddce |
1704 | //This test is fun, though, as it may happen that |
1705 | //at time t : CPU 0 : process_free |
1706 | //at time t+150ns : CPU 1 : schedule out |
1707 | //Clearly due to time imprecision, we disable it. (Mathieu) |
1708 | //If this weird case happen, we have no choice but to put the |
1709 | //Currently running process on the cpu to 0. |
791dffa6 |
1710 | //I re-enable it following time precision fixes. (Mathieu) |
1711 | //Well, in the case where an process is freed by a process on another CPU |
1712 | //and still scheduled, it happens that this is the schedchange that will |
1713 | //drop the last reference count. Do not free it here! |
0bd2f89c |
1714 | guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
1715 | guint i; |
1716 | for(i=0; i< num_cpus; i++) { |
5562ddce |
1717 | //g_assert(process != ts->running_process[i]); |
1718 | if(process == ts->running_process[i]) { |
791dffa6 |
1719 | //ts->running_process[i] = lttv_state_find_process(ts, i, 0); |
1720 | break; |
5562ddce |
1721 | } |
0bd2f89c |
1722 | } |
48b002b8 |
1723 | //if(i == num_cpus) /* process is not scheduled */ |
1724 | //exit_process(s, process); // do nothing : wait for the schedchange to |
1725 | //delete the process. |
2da61677 |
1726 | } |
1727 | |
1728 | return FALSE; |
1729 | } |
1730 | |
f4b88a7d |
1731 | |
1732 | static gboolean process_exec(void *hook_data, void *call_data) |
1733 | { |
1734 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1735 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1736 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1737 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
743e50fd |
1738 | //gchar *name; |
ae3d0f50 |
1739 | guint cpu = s->cpu; |
f4b88a7d |
1740 | LttvProcessState *process = ts->running_process[cpu]; |
1741 | |
1742 | /* PID of the process to release */ |
743e50fd |
1743 | guint64 name_len = ltt_event_field_element_number(e, thf->f1); |
1744 | //name = ltt_event_get_string(e, thf->f1); |
f2923fb2 |
1745 | LttField *child = ltt_event_field_element_select(e, thf->f1, 0); |
1746 | gchar *name_begin = |
1747 | (gchar*)(ltt_event_data(e)+ltt_event_field_offset(e, child)); |
743e50fd |
1748 | gchar *null_term_name = g_new(gchar, name_len+1); |
1749 | memcpy(null_term_name, name_begin, name_len); |
1750 | null_term_name[name_len] = '\0'; |
1751 | |
1752 | process->name = g_quark_from_string(null_term_name); |
f2923fb2 |
1753 | g_free(null_term_name); |
f4b88a7d |
1754 | return FALSE; |
1755 | } |
1756 | |
b3fd4c02 |
1757 | static gboolean enum_process_state(void *hook_data, void *call_data) |
1758 | { |
1759 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
1760 | LttEvent *e = ltt_tracefile_get_event(s->parent.tf); |
1761 | //It's slow : optimise later by doing this before reading trace. |
1762 | LttEventType *et = ltt_event_eventtype(e); |
1763 | // |
1764 | LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data; |
1765 | guint parent_pid; |
1766 | guint pid; |
1767 | gchar * command; |
ae3d0f50 |
1768 | guint cpu = s->cpu; |
b3fd4c02 |
1769 | LttvTraceState *ts = (LttvTraceState*)s->parent.t_context; |
1770 | LttvProcessState *process = ts->running_process[cpu]; |
1771 | LttvProcessState *parent_process; |
1772 | LttField *f4, *f5, *f6; |
1773 | GQuark mode, submode, status; |
f4b88a7d |
1774 | |
b3fd4c02 |
1775 | /* PID */ |
1776 | pid = ltt_event_get_unsigned(e, thf->f1); |
f4b88a7d |
1777 | |
b3fd4c02 |
1778 | /* Parent PID */ |
1779 | parent_pid = ltt_event_get_unsigned(e, thf->f2); |
1780 | |
1781 | /* Command name */ |
1782 | command = ltt_event_get_string(e, thf->f3); |
1783 | |
1784 | /* mode */ |
1785 | f4 = ltt_eventtype_field_by_name(et, LTT_FIELD_MODE); |
1786 | mode = ltt_enum_string_get(ltt_field_type(f4), |
1787 | ltt_event_get_unsigned(e, f4)); |
1788 | |
1789 | /* submode */ |
1790 | f5 = ltt_eventtype_field_by_name(et, LTT_FIELD_SUBMODE); |
1791 | submode = ltt_enum_string_get(ltt_field_type(f5), |
1792 | ltt_event_get_unsigned(e, f5)); |
1793 | |
1794 | /* status */ |
1795 | f6 = ltt_eventtype_field_by_name(et, LTT_FIELD_STATUS); |
1796 | status = ltt_enum_string_get(ltt_field_type(f6), |
1797 | ltt_event_get_unsigned(e, f6)); |
1798 | |
1799 | /* The process might exist if a process was forked while performing the sate dump. */ |
1800 | process = lttv_state_find_process(ts, ANY_CPU, pid); |
1801 | if(process == NULL) { |
1802 | parent_process = lttv_state_find_process(ts, ANY_CPU, parent_pid); |
1803 | process = lttv_state_create_process(ts, parent_process, cpu, |
1804 | pid, g_quark_from_string(command), |
1805 | &s->parent.timestamp); |
1806 | |
1807 | /* Keep the stack bottom : a running user mode */ |
ab893fb1 |
1808 | #if 0 |
1809 | /* Disabled because of inconsistencies in the current statedump states. */ |
b3fd4c02 |
1810 | if(mode == LTTV_STATE_USER_MODE) { |
1811 | /* Only keep the bottom */ |
1812 | process->execution_stack = g_array_set_size(process->execution_stack, 1); |
1813 | } else { |
1814 | /* On top of it : */ |
1815 | LttvExecutionState *es; |
1816 | es = process->state = &g_array_index(process->execution_stack, |
1817 | LttvExecutionState, 1); |
1818 | es->t = mode; |
1819 | es->s = status; |
1820 | es->n = submode; |
1821 | } |
ab893fb1 |
1822 | #endif //0 |
b3fd4c02 |
1823 | |
ab893fb1 |
1824 | /* UNKNOWN STATE */ |
1825 | { |
1826 | LttvExecutionState *es; |
1827 | es = process->state = &g_array_index(process->execution_stack, |
1828 | LttvExecutionState, 1); |
1829 | es->t = LTTV_STATE_MODE_UNKNOWN; |
1830 | es->s = LTTV_STATE_UNNAMED; |
1831 | es->n = LTTV_STATE_SUBMODE_UNKNOWN; |
1832 | } |
b3fd4c02 |
1833 | } else { |
1834 | /* The process has already been created : |
1835 | * Probably was forked while dumping the process state or |
1836 | * was simply scheduled in prior to get the state dump event. |
1837 | */ |
1838 | process->ppid = parent_pid; |
1839 | process->name = g_quark_from_string(command); |
1840 | /* Don't mess around with the stack, it will eventually become |
1841 | * ok after the end of state dump. */ |
1842 | } |
1843 | |
1844 | return FALSE; |
1845 | } |
f4b88a7d |
1846 | |
58c88a41 |
1847 | gint lttv_state_hook_add_event_hooks(void *hook_data, void *call_data) |
1848 | { |
1849 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
1850 | |
1851 | lttv_state_add_event_hooks(tss); |
1852 | |
1853 | return 0; |
1854 | } |
dc877563 |
1855 | |
308711e5 |
1856 | void lttv_state_add_event_hooks(LttvTracesetState *self) |
dc877563 |
1857 | { |
ba576a78 |
1858 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
1859 | |
eed2ef37 |
1860 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
1861 | |
ba576a78 |
1862 | LttvTraceState *ts; |
dc877563 |
1863 | |
ba576a78 |
1864 | LttvTracefileState *tfs; |
dc877563 |
1865 | |
dc877563 |
1866 | GArray *hooks; |
1867 | |
eed2ef37 |
1868 | LttvTraceHookByFacility *thf; |
1869 | |
1870 | LttvTraceHook *hook; |
dc877563 |
1871 | |
1872 | LttvAttributeValue val; |
1873 | |
9d239bd9 |
1874 | gint ret; |
302efbad |
1875 | gint hn; |
9d239bd9 |
1876 | |
ba576a78 |
1877 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
1878 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
1879 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
1880 | |
1881 | /* Find the eventtype id for the following events and register the |
1882 | associated by id hooks. */ |
1883 | |
302efbad |
1884 | hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 17); |
1885 | hooks = g_array_set_size(hooks, 17); // Max possible number of hooks. |
1886 | hn = 0; |
b445142a |
1887 | |
9d239bd9 |
1888 | ret = lttv_trace_find_hook(ts->parent.t, |
f5d7967f |
1889 | LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY, |
eed2ef37 |
1890 | LTT_FIELD_SYSCALL_ID, 0, 0, |
302efbad |
1891 | syscall_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1892 | if(ret) hn--; |
cbe7c836 |
1893 | |
9d239bd9 |
1894 | ret = lttv_trace_find_hook(ts->parent.t, |
f5d7967f |
1895 | LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_EXIT, |
eed2ef37 |
1896 | 0, 0, 0, |
302efbad |
1897 | syscall_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1898 | if(ret) hn--; |
cbe7c836 |
1899 | |
9d239bd9 |
1900 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1901 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_ENTRY, |
1902 | LTT_FIELD_TRAP_ID, 0, 0, |
302efbad |
1903 | trap_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1904 | if(ret) hn--; |
cbe7c836 |
1905 | |
9d239bd9 |
1906 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1907 | LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_EXIT, |
1908 | 0, 0, 0, |
302efbad |
1909 | trap_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1910 | if(ret) hn--; |
cbe7c836 |
1911 | |
9d239bd9 |
1912 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1913 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY, |
1914 | LTT_FIELD_IRQ_ID, 0, 0, |
302efbad |
1915 | irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1916 | if(ret) hn--; |
cbe7c836 |
1917 | |
9d239bd9 |
1918 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1919 | LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_EXIT, |
1920 | 0, 0, 0, |
302efbad |
1921 | irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1922 | if(ret) hn--; |
cbe7c836 |
1923 | |
faf074a3 |
1924 | ret = lttv_trace_find_hook(ts->parent.t, |
1925 | LTT_FACILITY_KERNEL, LTT_EVENT_SOFT_IRQ_ENTRY, |
1926 | LTT_FIELD_SOFT_IRQ_ID, 0, 0, |
302efbad |
1927 | soft_irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1928 | if(ret) hn--; |
faf074a3 |
1929 | |
1930 | ret = lttv_trace_find_hook(ts->parent.t, |
1931 | LTT_FACILITY_KERNEL, LTT_EVENT_SOFT_IRQ_EXIT, |
1932 | 0, 0, 0, |
302efbad |
1933 | soft_irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1934 | if(ret) hn--; |
faf074a3 |
1935 | |
9d239bd9 |
1936 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1937 | LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE, |
1938 | LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE, |
302efbad |
1939 | schedchange, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1940 | if(ret) hn--; |
cbe7c836 |
1941 | |
9d239bd9 |
1942 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1943 | LTT_FACILITY_PROCESS, LTT_EVENT_FORK, |
1944 | LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, 0, |
302efbad |
1945 | process_fork, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1946 | if(ret) hn--; |
eed2ef37 |
1947 | |
7bfd7820 |
1948 | ret = lttv_trace_find_hook(ts->parent.t, |
1949 | LTT_FACILITY_PROCESS, LTT_EVENT_KERNEL_THREAD, |
1950 | LTT_FIELD_PID, 0, 0, |
302efbad |
1951 | process_kernel_thread, NULL, &g_array_index(hooks, LttvTraceHook, |
1952 | hn++)); |
1953 | if(ret) hn--; |
7bfd7820 |
1954 | |
9d239bd9 |
1955 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1956 | LTT_FACILITY_PROCESS, LTT_EVENT_EXIT, |
1957 | LTT_FIELD_PID, 0, 0, |
302efbad |
1958 | process_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1959 | if(ret) hn--; |
eed2ef37 |
1960 | |
9d239bd9 |
1961 | ret = lttv_trace_find_hook(ts->parent.t, |
eed2ef37 |
1962 | LTT_FACILITY_PROCESS, LTT_EVENT_FREE, |
1963 | LTT_FIELD_PID, 0, 0, |
302efbad |
1964 | process_free, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1965 | if(ret) hn--; |
2cdc690b |
1966 | |
f4b88a7d |
1967 | ret = lttv_trace_find_hook(ts->parent.t, |
1968 | LTT_FACILITY_FS, LTT_EVENT_EXEC, |
1969 | LTT_FIELD_FILENAME, 0, 0, |
302efbad |
1970 | process_exec, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1971 | if(ret) hn--; |
f4b88a7d |
1972 | |
b3fd4c02 |
1973 | /* statedump-related hooks */ |
1974 | ret = lttv_trace_find_hook(ts->parent.t, |
1975 | LTT_FACILITY_STATEDUMP, LTT_EVENT_ENUM_PROCESS_STATE, |
1976 | LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME, |
302efbad |
1977 | enum_process_state, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1978 | if(ret) hn--; |
f4b88a7d |
1979 | |
302efbad |
1980 | ret = lttv_trace_find_hook(ts->parent.t, |
1981 | LTT_FACILITY_USER_GENERIC, LTT_EVENT_FUNCTION_ENTRY, |
1982 | LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE, 0, |
1983 | function_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1984 | if(ret) hn--; |
1985 | |
1986 | ret = lttv_trace_find_hook(ts->parent.t, |
1987 | LTT_FACILITY_USER_GENERIC, LTT_EVENT_FUNCTION_EXIT, |
1988 | LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE, 0, |
1989 | function_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++)); |
1990 | if(ret) hn--; |
1991 | |
1992 | hooks = g_array_set_size(hooks, hn); |
1993 | |
a5ba1787 |
1994 | /* Add these hooks to each event_by_id hooks list */ |
dc877563 |
1995 | |
eed2ef37 |
1996 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
1997 | |
dc877563 |
1998 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
1999 | tfs = |
9d239bd9 |
2000 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
2001 | LttvTracefileContext*, j)); |
dc877563 |
2002 | |
2003 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
2004 | hook = &g_array_index(hooks, LttvTraceHook, k); |
2005 | for(l=0;l<hook->fac_list->len;l++) { |
2006 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
2007 | lttv_hooks_add( |
2008 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
2009 | thf->h, |
d052ffc3 |
2010 | thf, |
eed2ef37 |
2011 | LTTV_PRIO_STATE); |
2012 | } |
ffd54a90 |
2013 | } |
dc877563 |
2014 | } |
f0b795e0 |
2015 | lttv_attribute_find(ts->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
ba576a78 |
2016 | *(val.v_pointer) = hooks; |
dc877563 |
2017 | } |
2018 | } |
2019 | |
58c88a41 |
2020 | gint lttv_state_hook_remove_event_hooks(void *hook_data, void *call_data) |
2021 | { |
2022 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
2023 | |
2024 | lttv_state_remove_event_hooks(tss); |
2025 | |
2026 | return 0; |
2027 | } |
dc877563 |
2028 | |
308711e5 |
2029 | void lttv_state_remove_event_hooks(LttvTracesetState *self) |
dc877563 |
2030 | { |
ba576a78 |
2031 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
2032 | |
eed2ef37 |
2033 | guint i, j, k, l, nb_trace, nb_tracefile; |
dc877563 |
2034 | |
ba576a78 |
2035 | LttvTraceState *ts; |
dc877563 |
2036 | |
ba576a78 |
2037 | LttvTracefileState *tfs; |
dc877563 |
2038 | |
dc877563 |
2039 | GArray *hooks; |
2040 | |
eed2ef37 |
2041 | LttvTraceHook *hook; |
2042 | |
2043 | LttvTraceHookByFacility *thf; |
dc877563 |
2044 | |
2045 | LttvAttributeValue val; |
2046 | |
ba576a78 |
2047 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
2048 | for(i = 0 ; i < nb_trace ; i++) { |
021eeb41 |
2049 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
f0b795e0 |
2050 | lttv_attribute_find(ts->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
ba576a78 |
2051 | hooks = *(val.v_pointer); |
dc877563 |
2052 | |
a5ba1787 |
2053 | /* Remove these hooks from each event_by_id hooks list */ |
dc877563 |
2054 | |
eed2ef37 |
2055 | nb_tracefile = ts->parent.tracefiles->len; |
dbb7bb09 |
2056 | |
dc877563 |
2057 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
2058 | tfs = |
cb03932a |
2059 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
2060 | LttvTracefileContext*, j)); |
dc877563 |
2061 | |
2062 | for(k = 0 ; k < hooks->len ; k++) { |
eed2ef37 |
2063 | hook = &g_array_index(hooks, LttvTraceHook, k); |
2064 | for(l=0;l<hook->fac_list->len;l++) { |
2065 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
2066 | |
2067 | lttv_hooks_remove_data( |
2068 | lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id), |
2069 | thf->h, |
d052ffc3 |
2070 | thf); |
eed2ef37 |
2071 | } |
ffd54a90 |
2072 | } |
dc877563 |
2073 | } |
1986f254 |
2074 | for(k = 0 ; k < hooks->len ; k++) |
2075 | lttv_trace_hook_destroy(&g_array_index(hooks, LttvTraceHook, k)); |
dc877563 |
2076 | g_array_free(hooks, TRUE); |
2077 | } |
2078 | } |
2079 | |
eed2ef37 |
2080 | static gboolean state_save_event_hook(void *hook_data, void *call_data) |
2081 | { |
2082 | guint *event_count = (guint*)hook_data; |
2083 | |
2084 | /* Only save at LTTV_STATE_SAVE_INTERVAL */ |
2085 | if(likely((*event_count)++ < LTTV_STATE_SAVE_INTERVAL)) |
2086 | return FALSE; |
2087 | else |
18c87975 |
2088 | *event_count = 0; |
eed2ef37 |
2089 | |
2090 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
2091 | |
2092 | LttvTracefileState *tfcs; |
2093 | |
2094 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
2095 | |
2096 | LttEventPosition *ep; |
2097 | |
2098 | guint i; |
2099 | |
2100 | LttTracefile *tf; |
2101 | |
2102 | LttvAttribute *saved_states_tree, *saved_state_tree; |
2103 | |
2104 | LttvAttributeValue value; |
2105 | |
2106 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
2107 | LTTV_STATE_SAVED_STATES); |
2108 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
2109 | value = lttv_attribute_add(saved_states_tree, |
2110 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
2111 | *(value.v_gobject) = (GObject *)saved_state_tree; |
2112 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
2113 | *(value.v_time) = self->parent.timestamp; |
2114 | lttv_state_save(tcs, saved_state_tree); |
2115 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
2116 | self->parent.timestamp.tv_nsec); |
2117 | |
2118 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
2119 | |
2120 | return FALSE; |
2121 | } |
2122 | |
14aecf75 |
2123 | static gboolean state_save_after_trace_hook(void *hook_data, void *call_data) |
2124 | { |
2125 | LttvTraceState *tcs = (LttvTraceState *)(call_data); |
2126 | |
2127 | *(tcs->max_time_state_recomputed_in_seek) = tcs->parent.time_span.end_time; |
2128 | |
2129 | return FALSE; |
2130 | } |
2131 | |
ae3d0f50 |
2132 | guint lttv_state_current_cpu(LttvTracefileState *tfs) |
2133 | { |
2134 | return tfs->cpu; |
2135 | } |
2136 | |
2137 | |
2138 | |
eed2ef37 |
2139 | #if 0 |
08b1c66e |
2140 | static gboolean block_start(void *hook_data, void *call_data) |
308711e5 |
2141 | { |
dbb7bb09 |
2142 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
308711e5 |
2143 | |
dbb7bb09 |
2144 | LttvTracefileState *tfcs; |
308711e5 |
2145 | |
dbb7bb09 |
2146 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
2147 | |
2148 | LttEventPosition *ep; |
308711e5 |
2149 | |
dbb7bb09 |
2150 | guint i, nb_block, nb_event, nb_tracefile; |
308711e5 |
2151 | |
2152 | LttTracefile *tf; |
2153 | |
2154 | LttvAttribute *saved_states_tree, *saved_state_tree; |
2155 | |
2156 | LttvAttributeValue value; |
2157 | |
dbb7bb09 |
2158 | ep = ltt_event_position_new(); |
eed2ef37 |
2159 | |
2160 | nb_tracefile = tcs->parent.tracefiles->len; |
dbb7bb09 |
2161 | |
2162 | /* Count the number of events added since the last block end in any |
2163 | tracefile. */ |
2164 | |
2165 | for(i = 0 ; i < nb_tracefile ; i++) { |
eed2ef37 |
2166 | tfcs = |
2167 | LTTV_TRACEFILE_STATE(&g_array_index(tcs->parent.tracefiles, |
2168 | LttvTracefileContext, i)); |
dbb7bb09 |
2169 | ltt_event_position(tfcs->parent.e, ep); |
2170 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
2171 | tcs->nb_event += nb_event - tfcs->saved_position; |
2172 | tfcs->saved_position = nb_event; |
2173 | } |
2174 | g_free(ep); |
308711e5 |
2175 | |
308711e5 |
2176 | if(tcs->nb_event >= tcs->save_interval) { |
2177 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
2178 | LTTV_STATE_SAVED_STATES); |
2179 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
2180 | value = lttv_attribute_add(saved_states_tree, |
2181 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
2182 | *(value.v_gobject) = (GObject *)saved_state_tree; |
2183 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
dbb7bb09 |
2184 | *(value.v_time) = self->parent.timestamp; |
308711e5 |
2185 | lttv_state_save(tcs, saved_state_tree); |
2186 | tcs->nb_event = 0; |
08b1c66e |
2187 | g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec, |
2188 | self->parent.timestamp.tv_nsec); |
308711e5 |
2189 | } |
dbb7bb09 |
2190 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
308711e5 |
2191 | return FALSE; |
2192 | } |
eed2ef37 |
2193 | #endif //0 |
308711e5 |
2194 | |
eed2ef37 |
2195 | #if 0 |
08b1c66e |
2196 | static gboolean block_end(void *hook_data, void *call_data) |
2197 | { |
2198 | LttvTracefileState *self = (LttvTracefileState *)call_data; |
2199 | |
2200 | LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context); |
2201 | |
2202 | LttTracefile *tf; |
2203 | |
2204 | LttEventPosition *ep; |
2205 | |
2206 | guint nb_block, nb_event; |
2207 | |
2208 | ep = ltt_event_position_new(); |
2209 | ltt_event_position(self->parent.e, ep); |
2210 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
2211 | tcs->nb_event += nb_event - self->saved_position + 1; |
2212 | self->saved_position = 0; |
2213 | *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp; |
2214 | g_free(ep); |
00e74b69 |
2215 | |
2216 | return FALSE; |
08b1c66e |
2217 | } |
eed2ef37 |
2218 | #endif //0 |
2219 | #if 0 |
308711e5 |
2220 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
2221 | { |
2222 | LttvTraceset *traceset = self->parent.ts; |
2223 | |
00e74b69 |
2224 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
2225 | |
2226 | LttvTraceState *ts; |
2227 | |
2228 | LttvTracefileState *tfs; |
2229 | |
08b1c66e |
2230 | LttvTraceHook hook_start, hook_end; |
308711e5 |
2231 | |
2232 | nb_trace = lttv_traceset_number(traceset); |
2233 | for(i = 0 ; i < nb_trace ; i++) { |
2234 | ts = (LttvTraceState *)self->parent.traces[i]; |
eed2ef37 |
2235 | |
08b1c66e |
2236 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
2237 | NULL, NULL, block_start, &hook_start); |
308711e5 |
2238 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
2239 | NULL, NULL, block_end, &hook_end); |
308711e5 |
2240 | |
eed2ef37 |
2241 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
2242 | |
dbb7bb09 |
2243 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
2244 | tfs = |
2245 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
2246 | LttvTracefileContext, j)); |
a5ba1787 |
2247 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
2248 | hook_start.id), hook_start.h, NULL, LTTV_PRIO_STATE); |
a5ba1787 |
2249 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id, |
eed2ef37 |
2250 | hook_end.id), hook_end.h, NULL, LTTV_PRIO_STATE); |
2251 | } |
2252 | } |
2253 | } |
2254 | #endif //0 |
2255 | |
2256 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
2257 | { |
2258 | LttvTraceset *traceset = self->parent.ts; |
2259 | |
2260 | guint i, j, nb_trace, nb_tracefile; |
2261 | |
2262 | LttvTraceState *ts; |
2263 | |
2264 | LttvTracefileState *tfs; |
2265 | |
2266 | |
2267 | nb_trace = lttv_traceset_number(traceset); |
2268 | for(i = 0 ; i < nb_trace ; i++) { |
2269 | |
2270 | ts = (LttvTraceState *)self->parent.traces[i]; |
2271 | nb_tracefile = ts->parent.tracefiles->len; |
2272 | |
3054461a |
2273 | guint *event_count = g_new(guint, 1); |
2274 | *event_count = 0; |
2275 | |
eed2ef37 |
2276 | for(j = 0 ; j < nb_tracefile ; j++) { |
2277 | tfs = |
cb03932a |
2278 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
2279 | LttvTracefileContext*, j)); |
eed2ef37 |
2280 | lttv_hooks_add(tfs->parent.event, |
2281 | state_save_event_hook, |
2282 | event_count, |
2283 | LTTV_PRIO_STATE); |
2284 | |
308711e5 |
2285 | } |
2286 | } |
14aecf75 |
2287 | |
2288 | lttv_process_traceset_begin(&self->parent, |
2289 | NULL, NULL, NULL, NULL, NULL); |
2290 | |
308711e5 |
2291 | } |
2292 | |
b56b5fec |
2293 | gint lttv_state_save_hook_add_event_hooks(void *hook_data, void *call_data) |
2294 | { |
2295 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
2296 | |
2297 | lttv_state_save_add_event_hooks(tss); |
2298 | |
2299 | return 0; |
2300 | } |
2301 | |
308711e5 |
2302 | |
eed2ef37 |
2303 | #if 0 |
308711e5 |
2304 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
2305 | { |
2306 | LttvTraceset *traceset = self->parent.ts; |
2307 | |
00e74b69 |
2308 | guint i, j, nb_trace, nb_tracefile; |
308711e5 |
2309 | |
2310 | LttvTraceState *ts; |
2311 | |
2312 | LttvTracefileState *tfs; |
2313 | |
08b1c66e |
2314 | LttvTraceHook hook_start, hook_end; |
308711e5 |
2315 | |
2316 | nb_trace = lttv_traceset_number(traceset); |
2317 | for(i = 0 ; i < nb_trace ; i++) { |
2318 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
eed2ef37 |
2319 | |
08b1c66e |
2320 | lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL, |
2321 | NULL, NULL, block_start, &hook_start); |
2322 | |
308711e5 |
2323 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
08b1c66e |
2324 | NULL, NULL, block_end, &hook_end); |
308711e5 |
2325 | |
eed2ef37 |
2326 | nb_tracefile = ts->parent.tracefiles->len; |
308711e5 |
2327 | |
dbb7bb09 |
2328 | for(j = 0 ; j < nb_tracefile ; j++) { |
eed2ef37 |
2329 | tfs = |
2330 | LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles, |
2331 | LttvTracefileContext, j)); |
308711e5 |
2332 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
2333 | tfs->parent.event_by_id, hook_start.id), hook_start.h, NULL); |
08b1c66e |
2334 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
a5ba1787 |
2335 | tfs->parent.event_by_id, hook_end.id), hook_end.h, NULL); |
308711e5 |
2336 | } |
2337 | } |
2338 | } |
eed2ef37 |
2339 | #endif //0 |
2340 | |
2341 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
2342 | { |
2343 | LttvTraceset *traceset = self->parent.ts; |
2344 | |
2345 | guint i, j, nb_trace, nb_tracefile; |
2346 | |
2347 | LttvTraceState *ts; |
2348 | |
2349 | LttvTracefileState *tfs; |
2350 | |
14aecf75 |
2351 | LttvHooks *after_trace = lttv_hooks_new(); |
2352 | |
2353 | lttv_hooks_add(after_trace, |
2354 | state_save_after_trace_hook, |
2355 | NULL, |
2356 | LTTV_PRIO_STATE); |
2357 | |
2358 | |
2359 | lttv_process_traceset_end(&self->parent, |
2360 | NULL, after_trace, NULL, NULL, NULL); |
eed2ef37 |
2361 | |
14aecf75 |
2362 | lttv_hooks_destroy(after_trace); |
2363 | |
eed2ef37 |
2364 | nb_trace = lttv_traceset_number(traceset); |
2365 | for(i = 0 ; i < nb_trace ; i++) { |
2366 | |
2367 | ts = (LttvTraceState *)self->parent.traces[i]; |
2368 | nb_tracefile = ts->parent.tracefiles->len; |
2369 | |
22b165e9 |
2370 | guint *event_count = NULL; |
eed2ef37 |
2371 | |
2372 | for(j = 0 ; j < nb_tracefile ; j++) { |
2373 | tfs = |
cb03932a |
2374 | LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles, |
2375 | LttvTracefileContext*, j)); |
eed2ef37 |
2376 | event_count = lttv_hooks_remove(tfs->parent.event, |
2377 | state_save_event_hook); |
eed2ef37 |
2378 | } |
22b165e9 |
2379 | if(event_count) g_free(event_count); |
eed2ef37 |
2380 | } |
2381 | } |
308711e5 |
2382 | |
b56b5fec |
2383 | gint lttv_state_save_hook_remove_event_hooks(void *hook_data, void *call_data) |
2384 | { |
2385 | LttvTracesetState *tss = (LttvTracesetState*)(call_data); |
2386 | |
2387 | lttv_state_save_remove_event_hooks(tss); |
2388 | |
2389 | return 0; |
2390 | } |
308711e5 |
2391 | |
dd025f91 |
2392 | void lttv_state_traceset_seek_time_closest(LttvTracesetState *self, LttTime t) |
308711e5 |
2393 | { |
2394 | LttvTraceset *traceset = self->parent.ts; |
2395 | |
00e74b69 |
2396 | guint i, nb_trace; |
308711e5 |
2397 | |
2398 | int min_pos, mid_pos, max_pos; |
2399 | |
728d0c3e |
2400 | guint call_rest = 0; |
2401 | |
308711e5 |
2402 | LttvTraceState *tcs; |
2403 | |
2404 | LttvAttributeValue value; |
2405 | |
2406 | LttvAttributeType type; |
2407 | |
2408 | LttvAttributeName name; |
2409 | |
c0cb4d12 |
2410 | gboolean is_named; |
2411 | |
308711e5 |
2412 | LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree; |
2413 | |
d448fce2 |
2414 | //g_tree_destroy(self->parent.pqueue); |
2415 | //self->parent.pqueue = g_tree_new(compare_tracefile); |
348c6ba8 |
2416 | |
728d0c3e |
2417 | g_info("Entering seek_time_closest for time %lu.%lu", t.tv_sec, t.tv_nsec); |
2418 | |
308711e5 |
2419 | nb_trace = lttv_traceset_number(traceset); |
2420 | for(i = 0 ; i < nb_trace ; i++) { |
2421 | tcs = (LttvTraceState *)self->parent.traces[i]; |
2422 | |
2a2fa4f0 |
2423 | if(ltt_time_compare(t, *(tcs->max_time_state_recomputed_in_seek)) < 0) { |
2424 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
2425 | LTTV_STATE_SAVED_STATES); |
2426 | min_pos = -1; |
2427 | |
2428 | if(saved_states_tree) { |
dd025f91 |
2429 | max_pos = lttv_attribute_get_number(saved_states_tree) - 1; |
2430 | mid_pos = max_pos / 2; |
2431 | while(min_pos < max_pos) { |
c0cb4d12 |
2432 | type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value, |
2433 | &is_named); |
dd025f91 |
2434 | g_assert(type == LTTV_GOBJECT); |
2435 | saved_state_tree = *((LttvAttribute **)(value.v_gobject)); |
2436 | type = lttv_attribute_get_by_name(saved_state_tree, LTTV_STATE_TIME, |
2437 | &value); |
2438 | g_assert(type == LTTV_TIME); |
2439 | if(ltt_time_compare(*(value.v_time), t) < 0) { |
2440 | min_pos = mid_pos; |
2441 | closest_tree = saved_state_tree; |
2442 | } |
2443 | else max_pos = mid_pos - 1; |
2444 | |
2445 | mid_pos = (min_pos + max_pos + 1) / 2; |
2446 | } |
2a2fa4f0 |
2447 | } |
dd025f91 |
2448 | |
2a2fa4f0 |
2449 | /* restore the closest earlier saved state */ |
f95bc830 |
2450 | if(min_pos != -1) { |
2451 | lttv_state_restore(tcs, closest_tree); |
728d0c3e |
2452 | call_rest = 1; |
f95bc830 |
2453 | } |
dd025f91 |
2454 | |
2a2fa4f0 |
2455 | /* There is no saved state, yet we want to have it. Restart at T0 */ |
dd025f91 |
2456 | else { |
2457 | restore_init_state(tcs); |
2458 | lttv_process_trace_seek_time(&(tcs->parent), ltt_time_zero); |
308711e5 |
2459 | } |
9444deae |
2460 | } |
dd025f91 |
2461 | /* We want to seek quickly without restoring/updating the state */ |
2462 | else { |
308711e5 |
2463 | restore_init_state(tcs); |
dd025f91 |
2464 | lttv_process_trace_seek_time(&(tcs->parent), t); |
308711e5 |
2465 | } |
308711e5 |
2466 | } |
728d0c3e |
2467 | if(!call_rest) g_info("NOT Calling restore"); |
308711e5 |
2468 | } |
2469 | |
2470 | |
2471 | static void |
2472 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2473 | { |
2474 | } |
2475 | |
2476 | |
2477 | static void |
2478 | traceset_state_finalize (LttvTracesetState *self) |
2479 | { |
2480 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
2481 | finalize(G_OBJECT(self)); |
2482 | } |
2483 | |
2484 | |
2485 | static void |
2486 | traceset_state_class_init (LttvTracesetContextClass *klass) |
2487 | { |
2488 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2489 | |
2490 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
2491 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
2492 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
2493 | klass->new_traceset_context = new_traceset_context; |
2494 | klass->new_trace_context = new_trace_context; |
2495 | klass->new_tracefile_context = new_tracefile_context; |
2496 | } |
2497 | |
2498 | |
2499 | GType |
2500 | lttv_traceset_state_get_type(void) |
2501 | { |
2502 | static GType type = 0; |
2503 | if (type == 0) { |
2504 | static const GTypeInfo info = { |
2505 | sizeof (LttvTracesetStateClass), |
2506 | NULL, /* base_init */ |
2507 | NULL, /* base_finalize */ |
2508 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
2509 | NULL, /* class_finalize */ |
2510 | NULL, /* class_data */ |
dbb7bb09 |
2511 | sizeof (LttvTracesetState), |
308711e5 |
2512 | 0, /* n_preallocs */ |
00e74b69 |
2513 | (GInstanceInitFunc) traceset_state_instance_init, /* instance_init */ |
2514 | NULL /* value handling */ |
308711e5 |
2515 | }; |
2516 | |
2517 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
2518 | &info, 0); |
2519 | } |
2520 | return type; |
2521 | } |
2522 | |
2523 | |
2524 | static void |
2525 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2526 | { |
2527 | } |
2528 | |
2529 | |
2530 | static void |
2531 | trace_state_finalize (LttvTraceState *self) |
2532 | { |
2533 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE))-> |
2534 | finalize(G_OBJECT(self)); |
2535 | } |
2536 | |
2537 | |
2538 | static void |
2539 | trace_state_class_init (LttvTraceStateClass *klass) |
2540 | { |
2541 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2542 | |
2543 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
2544 | klass->state_save = state_save; |
2545 | klass->state_restore = state_restore; |
2546 | klass->state_saved_free = state_saved_free; |
2547 | } |
2548 | |
2549 | |
2550 | GType |
2551 | lttv_trace_state_get_type(void) |
2552 | { |
2553 | static GType type = 0; |
2554 | if (type == 0) { |
2555 | static const GTypeInfo info = { |
2556 | sizeof (LttvTraceStateClass), |
2557 | NULL, /* base_init */ |
2558 | NULL, /* base_finalize */ |
2559 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
2560 | NULL, /* class_finalize */ |
2561 | NULL, /* class_data */ |
2562 | sizeof (LttvTraceState), |
2563 | 0, /* n_preallocs */ |
00e74b69 |
2564 | (GInstanceInitFunc) trace_state_instance_init, /* instance_init */ |
2565 | NULL /* value handling */ |
308711e5 |
2566 | }; |
2567 | |
2568 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
2569 | "LttvTraceStateType", &info, 0); |
2570 | } |
2571 | return type; |
2572 | } |
2573 | |
2574 | |
2575 | static void |
2576 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
2577 | { |
2578 | } |
2579 | |
2580 | |
2581 | static void |
2582 | tracefile_state_finalize (LttvTracefileState *self) |
2583 | { |
2584 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE))-> |
2585 | finalize(G_OBJECT(self)); |
2586 | } |
2587 | |
2588 | |
2589 | static void |
2590 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
2591 | { |
2592 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
2593 | |
2594 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
2595 | } |
2596 | |
2597 | |
2598 | GType |
2599 | lttv_tracefile_state_get_type(void) |
2600 | { |
2601 | static GType type = 0; |
2602 | if (type == 0) { |
2603 | static const GTypeInfo info = { |
2604 | sizeof (LttvTracefileStateClass), |
2605 | NULL, /* base_init */ |
2606 | NULL, /* base_finalize */ |
2607 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
2608 | NULL, /* class_finalize */ |
2609 | NULL, /* class_data */ |
2610 | sizeof (LttvTracefileState), |
2611 | 0, /* n_preallocs */ |
00e74b69 |
2612 | (GInstanceInitFunc) tracefile_state_instance_init, /* instance_init */ |
2613 | NULL /* value handling */ |
308711e5 |
2614 | }; |
2615 | |
2616 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
2617 | "LttvTracefileStateType", &info, 0); |
2618 | } |
2619 | return type; |
2620 | } |
2621 | |
2622 | |
08b1c66e |
2623 | static void module_init() |
ffd54a90 |
2624 | { |
2625 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
b3fd4c02 |
2626 | LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("MODE_UNKNOWN"); |
2627 | LTTV_STATE_USER_MODE = g_quark_from_string("USER_MODE"); |
2628 | LTTV_STATE_SYSCALL = g_quark_from_string("SYSCALL"); |
2629 | LTTV_STATE_TRAP = g_quark_from_string("TRAP"); |
2630 | LTTV_STATE_IRQ = g_quark_from_string("IRQ"); |
2631 | LTTV_STATE_SOFT_IRQ = g_quark_from_string("SOFTIRQ"); |
2632 | LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("UNKNOWN"); |
2633 | LTTV_STATE_SUBMODE_NONE = g_quark_from_string("NONE"); |
2634 | LTTV_STATE_WAIT_FORK = g_quark_from_string("WAIT_FORK"); |
2635 | LTTV_STATE_WAIT_CPU = g_quark_from_string("WAIT_CPU"); |
2636 | LTTV_STATE_EXIT = g_quark_from_string("EXIT"); |
2637 | LTTV_STATE_ZOMBIE = g_quark_from_string("ZOMBIE"); |
2638 | LTTV_STATE_WAIT = g_quark_from_string("WAIT"); |
2639 | LTTV_STATE_RUN = g_quark_from_string("RUN"); |
2640 | LTTV_STATE_DEAD = g_quark_from_string("DEAD"); |
308711e5 |
2641 | LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles"); |
2642 | LTTV_STATE_PROCESSES = g_quark_from_string("processes"); |
2643 | LTTV_STATE_PROCESS = g_quark_from_string("process"); |
348c6ba8 |
2644 | LTTV_STATE_RUNNING_PROCESS = g_quark_from_string("running_process"); |
308711e5 |
2645 | LTTV_STATE_EVENT = g_quark_from_string("event"); |
2646 | LTTV_STATE_SAVED_STATES = g_quark_from_string("saved states"); |
dbb7bb09 |
2647 | LTTV_STATE_SAVED_STATES_TIME = g_quark_from_string("saved states time"); |
308711e5 |
2648 | LTTV_STATE_TIME = g_quark_from_string("time"); |
ffd54a90 |
2649 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
f95bc830 |
2650 | LTTV_STATE_NAME_TABLES = g_quark_from_string("name tables"); |
2651 | LTTV_STATE_TRACE_STATE_USE_COUNT = |
2652 | g_quark_from_string("trace_state_use_count"); |
eed2ef37 |
2653 | |
2654 | |
2655 | LTT_FACILITY_KERNEL = g_quark_from_string("kernel"); |
f5d7967f |
2656 | LTT_FACILITY_KERNEL_ARCH = g_quark_from_string("kernel_arch"); |
eed2ef37 |
2657 | LTT_FACILITY_PROCESS = g_quark_from_string("process"); |
f4b88a7d |
2658 | LTT_FACILITY_FS = g_quark_from_string("fs"); |
b3fd4c02 |
2659 | LTT_FACILITY_STATEDUMP = g_quark_from_string("statedump"); |
302efbad |
2660 | LTT_FACILITY_USER_GENERIC = g_quark_from_string("user_generic"); |
eed2ef37 |
2661 | |
2662 | |
2663 | LTT_EVENT_SYSCALL_ENTRY = g_quark_from_string("syscall_entry"); |
2664 | LTT_EVENT_SYSCALL_EXIT = g_quark_from_string("syscall_exit"); |
2665 | LTT_EVENT_TRAP_ENTRY = g_quark_from_string("trap_entry"); |
2666 | LTT_EVENT_TRAP_EXIT = g_quark_from_string("trap_exit"); |
2667 | LTT_EVENT_IRQ_ENTRY = g_quark_from_string("irq_entry"); |
2668 | LTT_EVENT_IRQ_EXIT = g_quark_from_string("irq_exit"); |
faf074a3 |
2669 | LTT_EVENT_SOFT_IRQ_ENTRY = g_quark_from_string("soft_irq_entry"); |
2670 | LTT_EVENT_SOFT_IRQ_EXIT = g_quark_from_string("soft_irq_exit"); |
eed2ef37 |
2671 | LTT_EVENT_SCHEDCHANGE = g_quark_from_string("schedchange"); |
2672 | LTT_EVENT_FORK = g_quark_from_string("fork"); |
7bfd7820 |
2673 | LTT_EVENT_KERNEL_THREAD = g_quark_from_string("kernel_thread"); |
eed2ef37 |
2674 | LTT_EVENT_EXIT = g_quark_from_string("exit"); |
2675 | LTT_EVENT_FREE = g_quark_from_string("free"); |
f4b88a7d |
2676 | LTT_EVENT_EXEC = g_quark_from_string("exec"); |
b3fd4c02 |
2677 | LTT_EVENT_ENUM_PROCESS_STATE = g_quark_from_string("enumerate_process_state"); |
302efbad |
2678 | LTT_EVENT_FUNCTION_ENTRY = g_quark_from_string("function_entry"); |
2679 | LTT_EVENT_FUNCTION_EXIT = g_quark_from_string("function_exit"); |
eed2ef37 |
2680 | |
2681 | |
2682 | LTT_FIELD_SYSCALL_ID = g_quark_from_string("syscall_id"); |
2683 | LTT_FIELD_TRAP_ID = g_quark_from_string("trap_id"); |
2684 | LTT_FIELD_IRQ_ID = g_quark_from_string("irq_id"); |
faf074a3 |
2685 | LTT_FIELD_SOFT_IRQ_ID = g_quark_from_string("softirq_id"); |
eed2ef37 |
2686 | LTT_FIELD_OUT = g_quark_from_string("out"); |
2687 | LTT_FIELD_IN = g_quark_from_string("in"); |
2688 | LTT_FIELD_OUT_STATE = g_quark_from_string("out_state"); |
2689 | LTT_FIELD_PARENT_PID = g_quark_from_string("parent_pid"); |
2690 | LTT_FIELD_CHILD_PID = g_quark_from_string("child_pid"); |
2691 | LTT_FIELD_PID = g_quark_from_string("pid"); |
f4b88a7d |
2692 | LTT_FIELD_FILENAME = g_quark_from_string("filename"); |
b3fd4c02 |
2693 | LTT_FIELD_NAME = g_quark_from_string("name"); |
2694 | LTT_FIELD_MODE = g_quark_from_string("mode"); |
2695 | LTT_FIELD_SUBMODE = g_quark_from_string("submode"); |
2696 | LTT_FIELD_STATUS = g_quark_from_string("status"); |
302efbad |
2697 | LTT_FIELD_THIS_FN = g_quark_from_string("this_fn"); |
2698 | LTT_FIELD_CALL_SITE = g_quark_from_string("call_site"); |
eed2ef37 |
2699 | |
ffd54a90 |
2700 | } |
dc877563 |
2701 | |
08b1c66e |
2702 | static void module_destroy() |
ffd54a90 |
2703 | { |
2704 | } |
dc877563 |
2705 | |
2706 | |
08b1c66e |
2707 | LTTV_MODULE("state", "State computation", \ |
2708 | "Update the system state, possibly saving it at intervals", \ |
2709 | module_init, module_destroy) |
2710 | |
dc877563 |
2711 | |
2712 | |