1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Michel Dagenais
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;
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.
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,
23 #include <lttv/lttv.h>
24 #include <lttv/module.h>
25 #include <lttv/state.h>
26 #include <ltt/facility.h>
27 #include <ltt/trace.h>
28 #include <ltt/event.h>
35 * usertrace is there only to be able to update the current CPU of the
36 * usertraces when there is a schedchange. it is a way to link the ProcessState
37 * to the associated usertrace. Link only created upon thread creation.
39 * The cpu id is necessary : it gives us back the current ProcessState when we
40 * are considering data from the usertrace.
43 #define PREALLOCATED_EXECUTION_STACK 10
45 /* Facilities Quarks */
49 LTT_FACILITY_KERNEL_ARCH
,
52 LTT_FACILITY_STATEDUMP
,
53 LTT_FACILITY_USER_GENERIC
;
58 LTT_EVENT_SYSCALL_ENTRY
,
59 LTT_EVENT_SYSCALL_EXIT
,
64 LTT_EVENT_SOFT_IRQ_ENTRY
,
65 LTT_EVENT_SOFT_IRQ_EXIT
,
66 LTT_EVENT_SCHEDCHANGE
,
68 LTT_EVENT_KERNEL_THREAD
,
72 LTT_EVENT_ENUM_PROCESS_STATE
,
73 LTT_EVENT_STATEDUMP_END
,
74 LTT_EVENT_FUNCTION_ENTRY
,
75 LTT_EVENT_FUNCTION_EXIT
,
76 LTT_EVENT_THREAD_BRAND
;
84 LTT_FIELD_SOFT_IRQ_ID
,
102 LTTV_STATE_MODE_UNKNOWN
,
103 LTTV_STATE_USER_MODE
,
110 LTTV_STATE_SUBMODE_UNKNOWN
,
111 LTTV_STATE_SUBMODE_NONE
;
115 LTTV_STATE_WAIT_FORK
,
124 LTTV_STATE_UNBRANDED
;
127 LTTV_STATE_USER_THREAD
,
128 LTTV_STATE_KERNEL_THREAD
;
131 LTTV_STATE_TRACEFILES
,
132 LTTV_STATE_PROCESSES
,
134 LTTV_STATE_RUNNING_PROCESS
,
136 LTTV_STATE_SAVED_STATES
,
137 LTTV_STATE_SAVED_STATES_TIME
,
140 LTTV_STATE_NAME_TABLES
,
141 LTTV_STATE_TRACE_STATE_USE_COUNT
;
143 static void create_max_time(LttvTraceState
*tcs
);
145 static void get_max_time(LttvTraceState
*tcs
);
147 static void free_max_time(LttvTraceState
*tcs
);
149 static void create_name_tables(LttvTraceState
*tcs
);
151 static void get_name_tables(LttvTraceState
*tcs
);
153 static void free_name_tables(LttvTraceState
*tcs
);
155 static void free_saved_state(LttvTraceState
*tcs
);
157 static void lttv_state_free_process_table(GHashTable
*processes
);
159 static void lttv_trace_states_read_raw(LttvTraceState
*tcs
, FILE *fp
,
160 GPtrArray
*quarktable
);
162 void lttv_state_save(LttvTraceState
*self
, LttvAttribute
*container
)
164 LTTV_TRACE_STATE_GET_CLASS(self
)->state_save(self
, container
);
168 void lttv_state_restore(LttvTraceState
*self
, LttvAttribute
*container
)
170 LTTV_TRACE_STATE_GET_CLASS(self
)->state_restore(self
, container
);
174 void lttv_state_state_saved_free(LttvTraceState
*self
,
175 LttvAttribute
*container
)
177 LTTV_TRACE_STATE_GET_CLASS(self
)->state_saved_free(self
, container
);
181 guint
process_hash(gconstpointer key
)
183 guint pid
= ((const LttvProcessState
*)key
)->pid
;
184 return (pid
>>8 ^ pid
>>4 ^ pid
>>2 ^ pid
) ;
188 /* If the hash table hash function is well distributed,
189 * the process_equal should compare different pid */
190 gboolean
process_equal(gconstpointer a
, gconstpointer b
)
192 const LttvProcessState
*process_a
, *process_b
;
195 process_a
= (const LttvProcessState
*)a
;
196 process_b
= (const LttvProcessState
*)b
;
198 if(likely(process_a
->pid
!= process_b
->pid
)) ret
= FALSE
;
199 else if(likely(process_a
->pid
== 0 &&
200 process_a
->cpu
!= process_b
->cpu
)) ret
= FALSE
;
205 static void delete_usertrace(gpointer key
, gpointer value
, gpointer user_data
)
207 g_tree_destroy((GTree
*)value
);
210 static void lttv_state_free_usertraces(GHashTable
*usertraces
)
212 g_hash_table_foreach(usertraces
, delete_usertrace
, NULL
);
213 g_hash_table_destroy(usertraces
);
219 restore_init_state(LttvTraceState
*self
)
223 LttvTracefileState
*tfcs
;
225 LttTime start_time
, end_time
;
227 /* Free the process tables */
228 if(self
->processes
!= NULL
) lttv_state_free_process_table(self
->processes
);
229 if(self
->usertraces
!= NULL
) lttv_state_free_usertraces(self
->usertraces
);
230 self
->processes
= g_hash_table_new(process_hash
, process_equal
);
231 self
->usertraces
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
234 /* Seek time to beginning */
235 // Mathieu : fix : don't seek traceset here : causes inconsistency in seek
236 // closest. It's the tracecontext job to seek the trace to the beginning
237 // anyway : the init state might be used at the middle of the trace as well...
238 //g_tree_destroy(self->parent.ts_context->pqueue);
239 //self->parent.ts_context->pqueue = g_tree_new(compare_tracefile);
241 ltt_trace_time_span_get(self
->parent
.t
, &start_time
, &end_time
);
243 //lttv_process_trace_seek_time(&self->parent, ltt_time_zero);
245 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
247 /* Put the per cpu running_process to beginning state : process 0. */
248 for(i
=0; i
< nb_cpus
; i
++) {
249 LttvExecutionState
*es
;
250 self
->running_process
[i
] = lttv_state_create_process(self
, NULL
, i
, 0, 0,
251 LTTV_STATE_UNNAMED
, &start_time
);
252 /* We are not sure is it's a kernel thread or normal thread, put the
253 * bottom stack state to unknown */
254 self
->running_process
[i
]->execution_stack
=
255 g_array_set_size(self
->running_process
[i
]->execution_stack
, 1);
256 es
= self
->running_process
[i
]->state
=
257 &g_array_index(self
->running_process
[i
]->execution_stack
,
258 LttvExecutionState
, 0);
259 es
->t
= LTTV_STATE_MODE_UNKNOWN
;
260 es
->s
= LTTV_STATE_UNNAMED
;
262 //self->running_process[i]->state->s = LTTV_STATE_RUN;
263 self
->running_process
[i
]->cpu
= i
;
267 nb_tracefile
= self
->parent
.tracefiles
->len
;
269 for(i
= 0 ; i
< nb_tracefile
; i
++) {
271 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
272 LttvTracefileContext
*, i
));
273 ltt_trace_time_span_get(self
->parent
.t
, &tfcs
->parent
.timestamp
, NULL
);
274 // tfcs->saved_position = 0;
275 tfcs
->process
= lttv_state_create_process(tfcs
, NULL
,0);
276 tfcs
->process
->state
->s
= LTTV_STATE_RUN
;
277 tfcs
->process
->last_cpu
= tfcs
->cpu_name
;
278 tfcs
->process
->last_cpu_index
= ltt_tracefile_num(((LttvTracefileContext
*)tfcs
)->tf
);
283 //static LttTime time_zero = {0,0};
285 static gint
compare_usertraces(gconstpointer a
, gconstpointer b
,
288 const LttTime
*t1
= (const LttTime
*)a
;
289 const LttTime
*t2
= (const LttTime
*)b
;
291 return ltt_time_compare(*t1
, *t2
);
294 static void free_usertrace_key(gpointer data
)
299 #define MAX_STRING_LEN 4096
302 state_load_saved_states(LttvTraceState
*tcs
)
305 GPtrArray
*quarktable
;
310 tcs
->has_precomputed_states
= FALSE
;
314 gchar buf
[MAX_STRING_LEN
];
317 trace_path
= g_quark_to_string(ltt_trace_name(tcs
->parent
.t
));
318 strncpy(path
, trace_path
, PATH_MAX
-1);
319 count
= strnlen(trace_path
, PATH_MAX
-1);
320 // quarktable : open, test
321 strncat(path
, "/precomputed/quarktable", PATH_MAX
-count
-1);
322 fp
= fopen(path
, "r");
324 quarktable
= g_ptr_array_sized_new(4096);
326 /* Index 0 is null */
328 if(hdr
== EOF
) return;
329 g_assert(hdr
== HDR_QUARKS
);
333 if(hdr
== EOF
) break;
334 g_assert(hdr
== HDR_QUARK
);
335 g_ptr_array_set_size(quarktable
, q
+1);
338 fread(&buf
[i
], sizeof(gchar
), 1, fp
);
339 if(buf
[i
] == '\0' || feof(fp
)) break;
342 len
= strnlen(buf
, MAX_STRING_LEN
-1);
343 g_ptr_array_index (quarktable
, q
) = g_new(gchar
, len
+1);
344 strncpy(g_ptr_array_index (quarktable
, q
), buf
, len
+1);
350 // saved_states : open, test
351 strncpy(path
, trace_path
, PATH_MAX
-1);
352 count
= strnlen(trace_path
, PATH_MAX
-1);
353 strncat(path
, "/precomputed/states", PATH_MAX
-count
-1);
354 fp
= fopen(path
, "r");
358 if(hdr
!= HDR_TRACE
) goto end
;
360 lttv_trace_states_read_raw(tcs
, fp
, quarktable
);
362 tcs
->has_precomputed_states
= TRUE
;
367 /* Free the quarktable */
368 for(i
=0; i
<quarktable
->len
; i
++) {
369 string
= g_ptr_array_index (quarktable
, i
);
372 g_ptr_array_free(quarktable
, TRUE
);
377 init(LttvTracesetState
*self
, LttvTraceset
*ts
)
379 guint i
, j
, nb_trace
, nb_tracefile
;
381 LttvTraceContext
*tc
;
385 LttvTracefileState
*tfcs
;
387 LttvAttributeValue v
;
389 LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE
))->
390 init((LttvTracesetContext
*)self
, ts
);
392 nb_trace
= lttv_traceset_number(ts
);
393 for(i
= 0 ; i
< nb_trace
; i
++) {
394 tc
= self
->parent
.traces
[i
];
395 tcs
= LTTV_TRACE_STATE(tc
);
396 tcs
->save_interval
= LTTV_STATE_SAVE_INTERVAL
;
397 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_TRACE_STATE_USE_COUNT
,
401 if(*(v
.v_uint
) == 1) {
402 create_name_tables(tcs
);
403 create_max_time(tcs
);
405 get_name_tables(tcs
);
408 nb_tracefile
= tc
->tracefiles
->len
;
409 tcs
->processes
= NULL
;
410 tcs
->usertraces
= NULL
;
411 tcs
->running_process
= g_new(LttvProcessState
*,
412 ltt_trace_get_num_cpu(tc
->t
));
413 restore_init_state(tcs
);
414 for(j
= 0 ; j
< nb_tracefile
; j
++) {
416 LTTV_TRACEFILE_STATE(g_array_index(tc
->tracefiles
,
417 LttvTracefileContext
*, j
));
418 tfcs
->tracefile_name
= ltt_tracefile_name(tfcs
->parent
.tf
);
419 tfcs
->cpu
= ltt_tracefile_cpu(tfcs
->parent
.tf
);
420 if(ltt_tracefile_tid(tfcs
->parent
.tf
) != 0) {
421 /* It's a Usertrace */
422 guint tid
= ltt_tracefile_tid(tfcs
->parent
.tf
);
423 GTree
*usertrace_tree
= (GTree
*)g_hash_table_lookup(tcs
->usertraces
,
425 if(!usertrace_tree
) {
426 usertrace_tree
= g_tree_new_full(compare_usertraces
,
427 NULL
, free_usertrace_key
, NULL
);
428 g_hash_table_insert(tcs
->usertraces
,
429 (gpointer
)tid
, usertrace_tree
);
431 LttTime
*timestamp
= g_new(LttTime
, 1);
432 *timestamp
= ltt_interpolate_time_from_tsc(tfcs
->parent
.tf
,
433 ltt_tracefile_creation(tfcs
->parent
.tf
));
434 g_tree_insert(usertrace_tree
, timestamp
, tfcs
);
438 /* See if the trace has saved states */
439 state_load_saved_states(tcs
);
444 fini(LttvTracesetState
*self
)
450 LttvTracefileState
*tfcs
;
452 LttvAttributeValue v
;
454 nb_trace
= lttv_traceset_number(LTTV_TRACESET_CONTEXT(self
)->ts
);
455 for(i
= 0 ; i
< nb_trace
; i
++) {
456 tcs
= (LttvTraceState
*)(LTTV_TRACESET_CONTEXT(self
)->traces
[i
]);
457 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_TRACE_STATE_USE_COUNT
,
460 g_assert(*(v
.v_uint
) != 0);
463 if(*(v
.v_uint
) == 0) {
464 free_name_tables(tcs
);
466 free_saved_state(tcs
);
468 g_free(tcs
->running_process
);
469 tcs
->running_process
= NULL
;
470 lttv_state_free_process_table(tcs
->processes
);
471 lttv_state_free_usertraces(tcs
->usertraces
);
472 tcs
->processes
= NULL
;
473 tcs
->usertraces
= NULL
;
475 LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE
))->
476 fini((LttvTracesetContext
*)self
);
480 static LttvTracesetContext
*
481 new_traceset_context(LttvTracesetContext
*self
)
483 return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE
, NULL
));
487 static LttvTraceContext
*
488 new_trace_context(LttvTracesetContext
*self
)
490 return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE
, NULL
));
494 static LttvTracefileContext
*
495 new_tracefile_context(LttvTracesetContext
*self
)
497 return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE
, NULL
));
501 /* Write the process state of the trace */
503 static void write_process_state(gpointer key
, gpointer value
,
506 LttvProcessState
*process
;
508 LttvExecutionState
*es
;
510 FILE *fp
= (FILE *)user_data
;
515 process
= (LttvProcessState
*)value
;
517 " <PROCESS CORE=%p PID=%u TGID=%u PPID=%u TYPE=\"%s\" CTIME_S=%lu CTIME_NS=%lu ITIME_S=%lu ITIME_NS=%lu NAME=\"%s\" BRAND=\"%s\" CPU=\"%u\">\n",
518 process
, process
->pid
, process
->tgid
, process
->ppid
,
519 g_quark_to_string(process
->type
),
520 process
->creation_time
.tv_sec
,
521 process
->creation_time
.tv_nsec
,
522 process
->insertion_time
.tv_sec
,
523 process
->insertion_time
.tv_nsec
,
524 g_quark_to_string(process
->name
),
525 g_quark_to_string(process
->brand
),
528 for(i
= 0 ; i
< process
->execution_stack
->len
; i
++) {
529 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
, i
);
530 fprintf(fp
, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu",
531 g_quark_to_string(es
->t
), g_quark_to_string(es
->n
),
532 es
->entry
.tv_sec
, es
->entry
.tv_nsec
);
533 fprintf(fp
, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n",
534 es
->change
.tv_sec
, es
->change
.tv_nsec
, g_quark_to_string(es
->s
));
537 for(i
= 0 ; i
< process
->user_stack
->len
; i
++) {
538 address
= &g_array_index(process
->user_stack
, guint64
, i
);
539 fprintf(fp
, " <USER_STACK ADDRESS=\"%llu\"/>\n",
543 if(process
->usertrace
) {
544 fprintf(fp
, " <USERTRACE NAME=\"%s\" CPU=%u\n/>",
545 g_quark_to_string(process
->usertrace
->tracefile_name
),
546 process
->usertrace
->cpu
);
550 fprintf(fp
, " </PROCESS>\n");
554 void lttv_state_write(LttvTraceState
*self
, LttTime t
, FILE *fp
)
556 guint i
, nb_tracefile
, nb_block
, offset
;
559 LttvTracefileState
*tfcs
;
563 LttEventPosition
*ep
;
567 ep
= ltt_event_position_new();
569 fprintf(fp
,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t
.tv_sec
, t
.tv_nsec
);
571 g_hash_table_foreach(self
->processes
, write_process_state
, fp
);
573 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
574 for(i
=0;i
<nb_cpus
;i
++) {
575 fprintf(fp
," <CPU NUM=%u RUNNING_PROCESS=%u>\n",
576 i
, self
->running_process
[i
]->pid
);
579 nb_tracefile
= self
->parent
.tracefiles
->len
;
581 for(i
= 0 ; i
< nb_tracefile
; i
++) {
583 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
584 LttvTracefileContext
*, i
));
585 fprintf(fp
, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu",
586 tfcs
->parent
.timestamp
.tv_sec
,
587 tfcs
->parent
.timestamp
.tv_nsec
);
588 LttEvent
*e
= ltt_tracefile_get_event(tfcs
->parent
.tf
);
589 if(e
== NULL
) fprintf(fp
,"/>\n");
591 ltt_event_position(e
, ep
);
592 ltt_event_position_get(ep
, &tf
, &nb_block
, &offset
, &tsc
);
593 fprintf(fp
, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block
, offset
,
598 fprintf(fp
,"</PROCESS_STATE>\n");
602 static void write_process_state_raw(gpointer key
, gpointer value
,
605 LttvProcessState
*process
;
607 LttvExecutionState
*es
;
609 FILE *fp
= (FILE *)user_data
;
614 process
= (LttvProcessState
*)value
;
615 fputc(HDR_PROCESS
, fp
);
616 //fwrite(&header, sizeof(header), 1, fp);
617 //fprintf(fp, "%s", g_quark_to_string(process->type));
619 fwrite(&process
->type
, sizeof(process
->type
), 1, fp
);
620 //fprintf(fp, "%s", g_quark_to_string(process->name));
622 fwrite(&process
->name
, sizeof(process
->name
), 1, fp
);
623 //fprintf(fp, "%s", g_quark_to_string(process->brand));
625 fwrite(&process
->brand
, sizeof(process
->brand
), 1, fp
);
626 fwrite(&process
->pid
, sizeof(process
->pid
), 1, fp
);
627 fwrite(&process
->tgid
, sizeof(process
->tgid
), 1, fp
);
628 fwrite(&process
->ppid
, sizeof(process
->ppid
), 1, fp
);
629 fwrite(&process
->cpu
, sizeof(process
->cpu
), 1, fp
);
630 fwrite(&process
->creation_time
, sizeof(process
->creation_time
), 1, fp
);
631 fwrite(&process
->insertion_time
, sizeof(process
->insertion_time
), 1, fp
);
635 " <PROCESS CORE=%p PID=%u TGID=%u PPID=%u TYPE=\"%s\" CTIME_S=%lu CTIME_NS=%lu ITIME_S=%lu ITIME_NS=%lu NAME=\"%s\" BRAND=\"%s\" CPU=\"%u\" PROCESS_TYPE=%u>\n",
636 process
, process
->pid
, process
->tgid
, process
->ppid
,
637 g_quark_to_string(process
->type
),
638 process
->creation_time
.tv_sec
,
639 process
->creation_time
.tv_nsec
,
640 process
->insertion_time
.tv_sec
,
641 process
->insertion_time
.tv_nsec
,
642 g_quark_to_string(process
->name
),
643 g_quark_to_string(process
->brand
),
647 for(i
= 0 ; i
< process
->execution_stack
->len
; i
++) {
648 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
, i
);
651 //fprintf(fp, "%s", g_quark_to_string(es->t));
653 fwrite(&es
->t
, sizeof(es
->t
), 1, fp
);
654 //fprintf(fp, "%s", g_quark_to_string(es->n));
656 fwrite(&es
->n
, sizeof(es
->n
), 1, fp
);
657 //fprintf(fp, "%s", g_quark_to_string(es->s));
659 fwrite(&es
->s
, sizeof(es
->s
), 1, fp
);
660 fwrite(&es
->entry
, sizeof(es
->entry
), 1, fp
);
661 fwrite(&es
->change
, sizeof(es
->change
), 1, fp
);
662 fwrite(&es
->cum_cpu_time
, sizeof(es
->cum_cpu_time
), 1, fp
);
664 fprintf(fp
, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu",
665 g_quark_to_string(es
->t
), g_quark_to_string(es
->n
),
666 es
->entry
.tv_sec
, es
->entry
.tv_nsec
);
667 fprintf(fp
, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n",
668 es
->change
.tv_sec
, es
->change
.tv_nsec
, g_quark_to_string(es
->s
));
672 for(i
= 0 ; i
< process
->user_stack
->len
; i
++) {
673 address
= &g_array_index(process
->user_stack
, guint64
, i
);
674 fputc(HDR_USER_STACK
, fp
);
675 fwrite(&address
, sizeof(address
), 1, fp
);
677 fprintf(fp
, " <USER_STACK ADDRESS=\"%llu\"/>\n",
682 if(process
->usertrace
) {
683 fputc(HDR_USERTRACE
, fp
);
684 //fprintf(fp, "%s", g_quark_to_string(process->usertrace->tracefile_name));
686 fwrite(&process
->usertrace
->tracefile_name
,
687 sizeof(process
->usertrace
->tracefile_name
), 1, fp
);
688 fwrite(&process
->usertrace
->cpu
, sizeof(process
->usertrace
->cpu
), 1, fp
);
690 fprintf(fp
, " <USERTRACE NAME=\"%s\" CPU=%u\n/>",
691 g_quark_to_string(process
->usertrace
->tracefile_name
),
692 process
->usertrace
->cpu
);
699 void lttv_state_write_raw(LttvTraceState
*self
, LttTime t
, FILE *fp
)
701 guint i
, nb_tracefile
, nb_block
, offset
;
704 LttvTracefileState
*tfcs
;
708 LttEventPosition
*ep
;
712 ep
= ltt_event_position_new();
714 //fprintf(fp,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t.tv_sec, t.tv_nsec);
715 fputc(HDR_PROCESS_STATE
, fp
);
716 fwrite(&t
, sizeof(t
), 1, fp
);
718 g_hash_table_foreach(self
->processes
, write_process_state_raw
, fp
);
720 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
721 for(i
=0;i
<nb_cpus
;i
++) {
723 fwrite(&i
, sizeof(i
), 1, fp
); /* cpu number */
724 fwrite(&self
->running_process
[i
]->pid
,
725 sizeof(self
->running_process
[i
]->pid
), 1, fp
);
726 //fprintf(fp," <CPU NUM=%u RUNNING_PROCESS=%u>\n",
727 // i, self->running_process[i]->pid);
730 nb_tracefile
= self
->parent
.tracefiles
->len
;
732 for(i
= 0 ; i
< nb_tracefile
; i
++) {
734 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
735 LttvTracefileContext
*, i
));
736 // fprintf(fp, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu",
737 // tfcs->parent.timestamp.tv_sec,
738 // tfcs->parent.timestamp.tv_nsec);
739 fputc(HDR_TRACEFILE
, fp
);
740 fwrite(&tfcs
->parent
.timestamp
, sizeof(tfcs
->parent
.timestamp
), 1, fp
);
741 /* Note : if timestamp if LTT_TIME_INFINITE, there will be no
742 * position following : end of trace */
743 LttEvent
*e
= ltt_tracefile_get_event(tfcs
->parent
.tf
);
745 ltt_event_position(e
, ep
);
746 ltt_event_position_get(ep
, &tf
, &nb_block
, &offset
, &tsc
);
747 //fprintf(fp, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block, offset,
749 fwrite(&nb_block
, sizeof(nb_block
), 1, fp
);
750 fwrite(&offset
, sizeof(offset
), 1, fp
);
751 fwrite(&tsc
, sizeof(tsc
), 1, fp
);
758 /* Read process state from a file */
760 /* Called because a HDR_PROCESS was found */
761 static void read_process_state_raw(LttvTraceState
*self
, FILE *fp
,
762 GPtrArray
*quarktable
)
764 LttvExecutionState
*es
;
765 LttvProcessState
*process
, *parent_process
;
766 LttvProcessState tmp
;
773 /* TODO : check return value */
774 fread(&tmp
.type
, sizeof(tmp
.type
), 1, fp
);
775 fread(&tmp
.name
, sizeof(tmp
.name
), 1, fp
);
776 fread(&tmp
.brand
, sizeof(tmp
.brand
), 1, fp
);
777 fread(&tmp
.pid
, sizeof(tmp
.pid
), 1, fp
);
778 fread(&tmp
.tgid
, sizeof(tmp
.tgid
), 1, fp
);
779 fread(&tmp
.ppid
, sizeof(tmp
.ppid
), 1, fp
);
780 fread(&tmp
.cpu
, sizeof(tmp
.cpu
), 1, fp
);
781 fread(&tmp
.creation_time
, sizeof(tmp
.creation_time
), 1, fp
);
782 fread(&tmp
.insertion_time
, sizeof(tmp
.insertion_time
), 1, fp
);
785 process
= lttv_state_find_process(self
, tmp
.cpu
, tmp
.pid
);
787 /* We must link to the parent */
788 parent_process
= lttv_state_find_process_or_create(self
, ANY_CPU
, tmp
.ppid
,
790 process
= lttv_state_find_process(self
, ANY_CPU
, tmp
.pid
);
791 if(process
== NULL
) {
792 process
= lttv_state_create_process(self
, parent_process
, tmp
.cpu
,
794 g_quark_from_string((gchar
*)g_ptr_array_index(quarktable
, tmp
.name
)),
798 process
->insertion_time
= tmp
.insertion_time
;
799 process
->creation_time
= tmp
.creation_time
;
800 process
->type
= g_quark_from_string(
801 (gchar
*)g_ptr_array_index(quarktable
, tmp
.type
));
802 process
->tgid
= tmp
.tgid
;
803 process
->ppid
= tmp
.ppid
;
804 process
->brand
= g_quark_from_string(
805 (gchar
*)g_ptr_array_index(quarktable
, tmp
.brand
));
807 g_quark_from_string((gchar
*)g_ptr_array_index(quarktable
, tmp
.name
));
811 if(feof(fp
) || ferror(fp
)) goto end_loop
;
813 gint hdr
= fgetc(fp
);
814 if(hdr
== EOF
) goto end_loop
;
818 process
->execution_stack
=
819 g_array_set_size(process
->execution_stack
,
820 process
->execution_stack
->len
+ 1);
821 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
,
822 process
->execution_stack
->len
-1);
825 fread(&es
->t
, sizeof(es
->t
), 1, fp
);
826 es
->t
= g_quark_from_string(
827 (gchar
*)g_ptr_array_index(quarktable
, es
->t
));
828 fread(&es
->n
, sizeof(es
->n
), 1, fp
);
829 es
->n
= g_quark_from_string(
830 (gchar
*)g_ptr_array_index(quarktable
, es
->n
));
831 fread(&es
->s
, sizeof(es
->s
), 1, fp
);
832 es
->s
= g_quark_from_string(
833 (gchar
*)g_ptr_array_index(quarktable
, es
->s
));
834 fread(&es
->entry
, sizeof(es
->entry
), 1, fp
);
835 fread(&es
->change
, sizeof(es
->change
), 1, fp
);
836 fread(&es
->cum_cpu_time
, sizeof(es
->cum_cpu_time
), 1, fp
);
839 process
->user_stack
= g_array_set_size(process
->user_stack
,
840 process
->user_stack
->len
+ 1);
841 address
= &g_array_index(process
->user_stack
, guint64
,
842 process
->user_stack
->len
-1);
843 fread(address
, sizeof(address
), 1, fp
);
844 process
->current_function
= *address
;
847 fread(&tmpq
, sizeof(tmpq
), 1, fp
);
848 fread(&process
->usertrace
->cpu
, sizeof(process
->usertrace
->cpu
), 1, fp
);
860 /* Called because a HDR_PROCESS_STATE was found */
861 /* Append a saved state to the trace states */
862 void lttv_state_read_raw(LttvTraceState
*self
, FILE *fp
, GPtrArray
*quarktable
)
864 guint i
, nb_tracefile
, nb_block
, offset
;
866 LttvTracefileState
*tfcs
;
868 LttEventPosition
*ep
;
876 LttvAttribute
*saved_states_tree
, *saved_state_tree
;
878 LttvAttributeValue value
;
879 GTree
*pqueue
= self
->parent
.ts_context
->pqueue
;
880 ep
= ltt_event_position_new();
882 restore_init_state(self
);
884 fread(&t
, sizeof(t
), 1, fp
);
887 if(feof(fp
) || ferror(fp
)) goto end_loop
;
889 if(hdr
== EOF
) goto end_loop
;
893 /* Call read_process_state_raw */
894 read_process_state_raw(self
, fp
, quarktable
);
904 case HDR_PROCESS_STATE
:
910 g_error("Error while parsing saved state file : unknown data header %d",
916 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
917 for(i
=0;i
<nb_cpus
;i
++) {
920 g_assert(hdr
== HDR_CPU
);
921 fread(&cpu_num
, sizeof(cpu_num
), 1, fp
); /* cpu number */
922 g_assert(i
== cpu_num
);
923 fread(&self
->running_process
[i
]->pid
,
924 sizeof(self
->running_process
[i
]->pid
), 1, fp
);
927 nb_tracefile
= self
->parent
.tracefiles
->len
;
929 for(i
= 0 ; i
< nb_tracefile
; i
++) {
931 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
932 LttvTracefileContext
*, i
));
933 // fprintf(fp, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu",
934 // tfcs->parent.timestamp.tv_sec,
935 // tfcs->parent.timestamp.tv_nsec);
936 g_tree_remove(pqueue
, &tfcs
->parent
);
938 g_assert(hdr
== HDR_TRACEFILE
);
939 fread(&tfcs
->parent
.timestamp
, sizeof(tfcs
->parent
.timestamp
), 1, fp
);
940 /* Note : if timestamp if LTT_TIME_INFINITE, there will be no
941 * position following : end of trace */
942 if(ltt_time_compare(tfcs
->parent
.timestamp
, ltt_time_infinite
) != 0) {
943 fread(&nb_block
, sizeof(nb_block
), 1, fp
);
944 fread(&offset
, sizeof(offset
), 1, fp
);
945 fread(&tsc
, sizeof(tsc
), 1, fp
);
946 ltt_event_position_set(ep
, tfcs
->parent
.tf
, nb_block
, offset
, tsc
);
947 gint ret
= ltt_tracefile_seek_position(tfcs
->parent
.tf
, ep
);
949 g_tree_insert(pqueue
, &tfcs
->parent
, &tfcs
->parent
);
954 saved_states_tree
= lttv_attribute_find_subdir(self
->parent
.t_a
,
955 LTTV_STATE_SAVED_STATES
);
956 saved_state_tree
= g_object_new(LTTV_ATTRIBUTE_TYPE
, NULL
);
957 value
= lttv_attribute_add(saved_states_tree
,
958 lttv_attribute_get_number(saved_states_tree
), LTTV_GOBJECT
);
959 *(value
.v_gobject
) = (GObject
*)saved_state_tree
;
960 value
= lttv_attribute_add(saved_state_tree
, LTTV_STATE_TIME
, LTTV_TIME
);
962 lttv_state_save(self
, saved_state_tree
);
963 g_debug("Saving state at time %lu.%lu", t
.tv_sec
,
966 *(self
->max_time_state_recomputed_in_seek
) = t
;
970 /* Called when a HDR_TRACE is found */
971 void lttv_trace_states_read_raw(LttvTraceState
*tcs
, FILE *fp
,
972 GPtrArray
*quarktable
)
977 if(feof(fp
) || ferror(fp
)) goto end_loop
;
979 if(hdr
== EOF
) goto end_loop
;
982 case HDR_PROCESS_STATE
:
983 /* Call read_process_state_raw */
984 lttv_state_read_raw(tcs
, fp
, quarktable
);
996 g_error("Error while parsing saved state file :"
997 " unexpected data header %d",
1001 g_error("Error while parsing saved state file : unknown data header %d",
1006 *(tcs
->max_time_state_recomputed_in_seek
) = tcs
->parent
.time_span
.end_time
;
1007 restore_init_state(tcs
);
1008 lttv_process_trace_seek_time(tcs
, ltt_time_zero
);
1014 /* Copy each process from an existing hash table to a new one */
1016 static void copy_process_state(gpointer key
, gpointer value
,gpointer user_data
)
1018 LttvProcessState
*process
, *new_process
;
1020 GHashTable
*new_processes
= (GHashTable
*)user_data
;
1024 process
= (LttvProcessState
*)value
;
1025 new_process
= g_new(LttvProcessState
, 1);
1026 *new_process
= *process
;
1027 new_process
->execution_stack
= g_array_sized_new(FALSE
, FALSE
,
1028 sizeof(LttvExecutionState
), PREALLOCATED_EXECUTION_STACK
);
1029 new_process
->execution_stack
=
1030 g_array_set_size(new_process
->execution_stack
,
1031 process
->execution_stack
->len
);
1032 for(i
= 0 ; i
< process
->execution_stack
->len
; i
++) {
1033 g_array_index(new_process
->execution_stack
, LttvExecutionState
, i
) =
1034 g_array_index(process
->execution_stack
, LttvExecutionState
, i
);
1036 new_process
->state
= &g_array_index(new_process
->execution_stack
,
1037 LttvExecutionState
, new_process
->execution_stack
->len
- 1);
1038 new_process
->user_stack
= g_array_sized_new(FALSE
, FALSE
,
1039 sizeof(guint64
), 0);
1040 new_process
->user_stack
=
1041 g_array_set_size(new_process
->user_stack
,
1042 process
->user_stack
->len
);
1043 for(i
= 0 ; i
< process
->user_stack
->len
; i
++) {
1044 g_array_index(new_process
->user_stack
, guint64
, i
) =
1045 g_array_index(process
->user_stack
, guint64
, i
);
1047 new_process
->current_function
= process
->current_function
;
1048 g_hash_table_insert(new_processes
, new_process
, new_process
);
1052 static GHashTable
*lttv_state_copy_process_table(GHashTable
*processes
)
1054 GHashTable
*new_processes
= g_hash_table_new(process_hash
, process_equal
);
1056 g_hash_table_foreach(processes
, copy_process_state
, new_processes
);
1057 return new_processes
;
1061 /* The saved state for each trace contains a member "processes", which
1062 stores a copy of the process table, and a member "tracefiles" with
1063 one entry per tracefile. Each tracefile has a "process" member pointing
1064 to the current process and a "position" member storing the tracefile
1065 position (needed to seek to the current "next" event. */
1067 static void state_save(LttvTraceState
*self
, LttvAttribute
*container
)
1069 guint i
, nb_tracefile
, nb_cpus
;
1071 LttvTracefileState
*tfcs
;
1073 LttvAttribute
*tracefiles_tree
, *tracefile_tree
;
1075 guint
*running_process
;
1077 LttvAttributeType type
;
1079 LttvAttributeValue value
;
1081 LttvAttributeName name
;
1083 LttEventPosition
*ep
;
1085 tracefiles_tree
= lttv_attribute_find_subdir(container
,
1086 LTTV_STATE_TRACEFILES
);
1088 value
= lttv_attribute_add(container
, LTTV_STATE_PROCESSES
,
1090 *(value
.v_pointer
) = lttv_state_copy_process_table(self
->processes
);
1092 /* Add the currently running processes array */
1093 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
1094 running_process
= g_new(guint
, nb_cpus
);
1095 for(i
=0;i
<nb_cpus
;i
++) {
1096 running_process
[i
] = self
->running_process
[i
]->pid
;
1098 value
= lttv_attribute_add(container
, LTTV_STATE_RUNNING_PROCESS
,
1100 *(value
.v_pointer
) = running_process
;
1102 g_info("State save");
1104 nb_tracefile
= self
->parent
.tracefiles
->len
;
1106 for(i
= 0 ; i
< nb_tracefile
; i
++) {
1108 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
1109 LttvTracefileContext
*, i
));
1110 tracefile_tree
= g_object_new(LTTV_ATTRIBUTE_TYPE
, NULL
);
1111 value
= lttv_attribute_add(tracefiles_tree
, i
,
1113 *(value
.v_gobject
) = (GObject
*)tracefile_tree
;
1115 value
= lttv_attribute_add(tracefile_tree
, LTTV_STATE_PROCESS
,
1117 *(value
.v_uint
) = tfcs
->process
->pid
;
1119 value
= lttv_attribute_add(tracefile_tree
, LTTV_STATE_EVENT
,
1121 /* Only save the position if the tfs has not infinite time. */
1122 //if(!g_tree_lookup(self->parent.ts_context->pqueue, &tfcs->parent)
1123 // && current_tfcs != tfcs) {
1124 if(ltt_time_compare(tfcs
->parent
.timestamp
, ltt_time_infinite
) == 0) {
1125 *(value
.v_pointer
) = NULL
;
1127 LttEvent
*e
= ltt_tracefile_get_event(tfcs
->parent
.tf
);
1128 ep
= ltt_event_position_new();
1129 ltt_event_position(e
, ep
);
1130 *(value
.v_pointer
) = ep
;
1132 guint nb_block
, offset
;
1135 ltt_event_position_get(ep
, &tf
, &nb_block
, &offset
, &tsc
);
1136 g_info("Block %u offset %u tsc %llu time %lu.%lu", nb_block
, offset
,
1138 tfcs
->parent
.timestamp
.tv_sec
, tfcs
->parent
.timestamp
.tv_nsec
);
1144 static void state_restore(LttvTraceState
*self
, LttvAttribute
*container
)
1146 guint i
, nb_tracefile
, pid
, nb_cpus
;
1148 LttvTracefileState
*tfcs
;
1150 LttvAttribute
*tracefiles_tree
, *tracefile_tree
;
1152 guint
*running_process
;
1154 LttvAttributeType type
;
1156 LttvAttributeValue value
;
1158 LttvAttributeName name
;
1162 LttEventPosition
*ep
;
1164 LttvTracesetContext
*tsc
= self
->parent
.ts_context
;
1166 tracefiles_tree
= lttv_attribute_find_subdir(container
,
1167 LTTV_STATE_TRACEFILES
);
1169 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_PROCESSES
,
1171 g_assert(type
== LTTV_POINTER
);
1172 lttv_state_free_process_table(self
->processes
);
1173 self
->processes
= lttv_state_copy_process_table(*(value
.v_pointer
));
1175 /* Add the currently running processes array */
1176 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
1177 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_RUNNING_PROCESS
,
1179 g_assert(type
== LTTV_POINTER
);
1180 running_process
= *(value
.v_pointer
);
1181 for(i
=0;i
<nb_cpus
;i
++) {
1182 pid
= running_process
[i
];
1183 self
->running_process
[i
] = lttv_state_find_process(self
, i
, pid
);
1184 g_assert(self
->running_process
[i
] != NULL
);
1188 nb_tracefile
= self
->parent
.tracefiles
->len
;
1190 //g_tree_destroy(tsc->pqueue);
1191 //tsc->pqueue = g_tree_new(compare_tracefile);
1193 for(i
= 0 ; i
< nb_tracefile
; i
++) {
1195 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
1196 LttvTracefileContext
*, i
));
1197 type
= lttv_attribute_get(tracefiles_tree
, i
, &name
, &value
, &is_named
);
1198 g_assert(type
== LTTV_GOBJECT
);
1199 tracefile_tree
= *((LttvAttribute
**)(value
.v_gobject
));
1201 type
= lttv_attribute_get_by_name(tracefile_tree
, LTTV_STATE_PROCESS
,
1203 g_assert(type
== LTTV_UINT
);
1204 pid
= *(value
.v_uint
);
1205 tfcs
->process
= lttv_state_find_process_or_create(tfcs
, pid
);
1207 type
= lttv_attribute_get_by_name(tracefile_tree
, LTTV_STATE_EVENT
,
1209 g_assert(type
== LTTV_POINTER
);
1210 //g_assert(*(value.v_pointer) != NULL);
1211 ep
= *(value
.v_pointer
);
1212 g_assert(tfcs
->parent
.t_context
!= NULL
);
1214 LttvTracefileContext
*tfc
= LTTV_TRACEFILE_CONTEXT(tfcs
);
1215 g_tree_remove(tsc
->pqueue
, tfc
);
1218 g_assert(ltt_tracefile_seek_position(tfc
->tf
, ep
) == 0);
1219 tfc
->timestamp
= ltt_event_time(ltt_tracefile_get_event(tfc
->tf
));
1220 g_assert(ltt_time_compare(tfc
->timestamp
, ltt_time_infinite
) != 0);
1221 g_tree_insert(tsc
->pqueue
, tfc
, tfc
);
1222 g_info("Restoring state for a tf at time %lu.%lu", tfc
->timestamp
.tv_sec
, tfc
->timestamp
.tv_nsec
);
1224 tfc
->timestamp
= ltt_time_infinite
;
1230 static void state_saved_free(LttvTraceState
*self
, LttvAttribute
*container
)
1232 guint i
, nb_tracefile
, nb_cpus
;
1234 LttvTracefileState
*tfcs
;
1236 LttvAttribute
*tracefiles_tree
, *tracefile_tree
;
1238 guint
*running_process
;
1240 LttvAttributeType type
;
1242 LttvAttributeValue value
;
1244 LttvAttributeName name
;
1248 LttEventPosition
*ep
;
1250 tracefiles_tree
= lttv_attribute_find_subdir(container
,
1251 LTTV_STATE_TRACEFILES
);
1252 g_object_ref(G_OBJECT(tracefiles_tree
));
1253 lttv_attribute_remove_by_name(container
, LTTV_STATE_TRACEFILES
);
1255 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_PROCESSES
,
1257 g_assert(type
== LTTV_POINTER
);
1258 lttv_state_free_process_table(*(value
.v_pointer
));
1259 *(value
.v_pointer
) = NULL
;
1260 lttv_attribute_remove_by_name(container
, LTTV_STATE_PROCESSES
);
1262 /* Free running processes array */
1263 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
1264 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_RUNNING_PROCESS
,
1266 g_assert(type
== LTTV_POINTER
);
1267 running_process
= *(value
.v_pointer
);
1268 g_free(running_process
);
1270 nb_tracefile
= self
->parent
.tracefiles
->len
;
1272 for(i
= 0 ; i
< nb_tracefile
; i
++) {
1274 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
1275 LttvTracefileContext
*, i
));
1276 type
= lttv_attribute_get(tracefiles_tree
, i
, &name
, &value
, &is_named
);
1277 g_assert(type
== LTTV_GOBJECT
);
1278 tracefile_tree
= *((LttvAttribute
**)(value
.v_gobject
));
1280 type
= lttv_attribute_get_by_name(tracefile_tree
, LTTV_STATE_EVENT
,
1282 g_assert(type
== LTTV_POINTER
);
1283 if(*(value
.v_pointer
) != NULL
) g_free(*(value
.v_pointer
));
1285 g_object_unref(G_OBJECT(tracefiles_tree
));
1289 static void free_saved_state(LttvTraceState
*self
)
1293 LttvAttributeType type
;
1295 LttvAttributeValue value
;
1297 LttvAttributeName name
;
1301 LttvAttribute
*saved_states
;
1303 saved_states
= lttv_attribute_find_subdir(self
->parent
.t_a
,
1304 LTTV_STATE_SAVED_STATES
);
1306 nb
= lttv_attribute_get_number(saved_states
);
1307 for(i
= 0 ; i
< nb
; i
++) {
1308 type
= lttv_attribute_get(saved_states
, i
, &name
, &value
, &is_named
);
1309 g_assert(type
== LTTV_GOBJECT
);
1310 state_saved_free(self
, *((LttvAttribute
**)value
.v_gobject
));
1313 lttv_attribute_remove_by_name(self
->parent
.t_a
, LTTV_STATE_SAVED_STATES
);
1318 create_max_time(LttvTraceState
*tcs
)
1320 LttvAttributeValue v
;
1322 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_SAVED_STATES_TIME
,
1324 g_assert(*(v
.v_pointer
) == NULL
);
1325 *(v
.v_pointer
) = g_new(LttTime
,1);
1326 *((LttTime
*)*(v
.v_pointer
)) = ltt_time_zero
;
1331 get_max_time(LttvTraceState
*tcs
)
1333 LttvAttributeValue v
;
1335 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_SAVED_STATES_TIME
,
1337 g_assert(*(v
.v_pointer
) != NULL
);
1338 tcs
->max_time_state_recomputed_in_seek
= (LttTime
*)*(v
.v_pointer
);
1343 free_max_time(LttvTraceState
*tcs
)
1345 LttvAttributeValue v
;
1347 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_SAVED_STATES_TIME
,
1349 g_free(*(v
.v_pointer
));
1350 *(v
.v_pointer
) = NULL
;
1354 typedef struct _LttvNameTables
{
1355 // FIXME GQuark *eventtype_names;
1356 GQuark
*syscall_names
;
1362 GQuark
*soft_irq_names
;
1368 create_name_tables(LttvTraceState
*tcs
)
1372 GQuark f_name
, e_name
;
1376 LttvTraceHookByFacility
*thf
;
1382 GString
*fe_name
= g_string_new("");
1384 LttvNameTables
*name_tables
= g_new(LttvNameTables
, 1);
1386 LttvAttributeValue v
;
1388 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_NAME_TABLES
,
1390 g_assert(*(v
.v_pointer
) == NULL
);
1391 *(v
.v_pointer
) = name_tables
;
1392 #if 0 // Use iteration over the facilities_by_name and then list all event
1393 // types of each facility
1394 nb
= ltt_trace_eventtype_number(tcs
->parent
.t
);
1395 name_tables
->eventtype_names
= g_new(GQuark
, nb
);
1396 for(i
= 0 ; i
< nb
; i
++) {
1397 et
= ltt_trace_eventtype_get(tcs
->parent
.t
, i
);
1398 e_name
= ltt_eventtype_name(et
);
1399 f_name
= ltt_facility_name(ltt_eventtype_facility(et
));
1400 g_string_printf(fe_name
, "%s.%s", f_name
, e_name
);
1401 name_tables
->eventtype_names
[i
] = g_quark_from_string(fe_name
->str
);
1404 if(!lttv_trace_find_hook(tcs
->parent
.t
,
1405 LTT_FACILITY_KERNEL_ARCH
, LTT_EVENT_SYSCALL_ENTRY
,
1406 LTT_FIELD_SYSCALL_ID
, 0, 0,
1409 thf
= lttv_trace_hook_get_first(&h
);
1411 t
= ltt_field_type(thf
->f1
);
1412 nb
= ltt_type_element_number(t
);
1414 lttv_trace_hook_destroy(&h
);
1416 name_tables
->syscall_names
= g_new(GQuark
, nb
);
1417 name_tables
->nb_syscalls
= nb
;
1419 for(i
= 0 ; i
< nb
; i
++) {
1420 name_tables
->syscall_names
[i
] = ltt_enum_string_get(t
, i
);
1421 if(!name_tables
->syscall_names
[i
]) {
1422 GString
*string
= g_string_new("");
1423 g_string_printf(string
, "syscall %u", i
);
1424 name_tables
->syscall_names
[i
] = g_quark_from_string(string
->str
);
1425 g_string_free(string
, TRUE
);
1429 //name_tables->syscall_names = g_new(GQuark, 256);
1430 //for(i = 0 ; i < 256 ; i++) {
1431 // g_string_printf(fe_name, "syscall %d", i);
1432 // name_tables->syscall_names[i] = g_quark_from_string(fe_name->str);
1435 name_tables
->syscall_names
= NULL
;
1436 name_tables
->nb_syscalls
= 0;
1439 if(!lttv_trace_find_hook(tcs
->parent
.t
, LTT_FACILITY_KERNEL
,
1440 LTT_EVENT_TRAP_ENTRY
,
1441 LTT_FIELD_TRAP_ID
, 0, 0,
1444 thf
= lttv_trace_hook_get_first(&h
);
1446 t
= ltt_field_type(thf
->f1
);
1447 //nb = ltt_type_element_number(t);
1449 lttv_trace_hook_destroy(&h
);
1452 name_tables->trap_names = g_new(GQuark, nb);
1453 for(i = 0 ; i < nb ; i++) {
1454 name_tables->trap_names[i] = g_quark_from_string(
1455 ltt_enum_string_get(t, i));
1458 name_tables
->nb_traps
= 256;
1459 name_tables
->trap_names
= g_new(GQuark
, 256);
1460 for(i
= 0 ; i
< 256 ; i
++) {
1461 g_string_printf(fe_name
, "trap %d", i
);
1462 name_tables
->trap_names
[i
] = g_quark_from_string(fe_name
->str
);
1465 name_tables
->trap_names
= NULL
;
1466 name_tables
->nb_traps
= 0;
1469 if(!lttv_trace_find_hook(tcs
->parent
.t
,
1470 LTT_FACILITY_KERNEL
, LTT_EVENT_IRQ_ENTRY
,
1471 LTT_FIELD_IRQ_ID
, 0, 0,
1474 thf
= lttv_trace_hook_get_first(&h
);
1476 t
= ltt_field_type(thf
->f1
);
1477 //nb = ltt_type_element_number(t);
1479 lttv_trace_hook_destroy(&h
);
1482 name_tables->irq_names = g_new(GQuark, nb);
1483 for(i = 0 ; i < nb ; i++) {
1484 name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i));
1488 name_tables
->nb_irqs
= 256;
1489 name_tables
->irq_names
= g_new(GQuark
, 256);
1490 for(i
= 0 ; i
< 256 ; i
++) {
1491 g_string_printf(fe_name
, "irq %d", i
);
1492 name_tables
->irq_names
[i
] = g_quark_from_string(fe_name
->str
);
1495 name_tables
->nb_irqs
= 0;
1496 name_tables
->irq_names
= NULL
;
1499 name_tables->soft_irq_names = g_new(GQuark, nb);
1500 for(i = 0 ; i < nb ; i++) {
1501 name_tables->soft_irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i));
1505 name_tables
->nb_softirqs
= 256;
1506 name_tables
->soft_irq_names
= g_new(GQuark
, 256);
1507 for(i
= 0 ; i
< 256 ; i
++) {
1508 g_string_printf(fe_name
, "softirq %d", i
);
1509 name_tables
->soft_irq_names
[i
] = g_quark_from_string(fe_name
->str
);
1513 g_string_free(fe_name
, TRUE
);
1518 get_name_tables(LttvTraceState
*tcs
)
1520 LttvNameTables
*name_tables
;
1522 LttvAttributeValue v
;
1524 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_NAME_TABLES
,
1526 g_assert(*(v
.v_pointer
) != NULL
);
1527 name_tables
= (LttvNameTables
*)*(v
.v_pointer
);
1528 //tcs->eventtype_names = name_tables->eventtype_names;
1529 tcs
->syscall_names
= name_tables
->syscall_names
;
1530 tcs
->nb_syscalls
= name_tables
->nb_syscalls
;
1531 tcs
->trap_names
= name_tables
->trap_names
;
1532 tcs
->nb_traps
= name_tables
->nb_traps
;
1533 tcs
->irq_names
= name_tables
->irq_names
;
1534 tcs
->soft_irq_names
= name_tables
->soft_irq_names
;
1535 tcs
->nb_irqs
= name_tables
->nb_irqs
;
1536 tcs
->nb_softirqs
= name_tables
->nb_softirqs
;
1541 free_name_tables(LttvTraceState
*tcs
)
1543 LttvNameTables
*name_tables
;
1545 LttvAttributeValue v
;
1547 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_NAME_TABLES
,
1549 name_tables
= (LttvNameTables
*)*(v
.v_pointer
);
1550 *(v
.v_pointer
) = NULL
;
1552 // g_free(name_tables->eventtype_names);
1553 if(name_tables
->syscall_names
) g_free(name_tables
->syscall_names
);
1554 if(name_tables
->trap_names
) g_free(name_tables
->trap_names
);
1555 if(name_tables
->irq_names
) g_free(name_tables
->irq_names
);
1556 if(name_tables
->soft_irq_names
) g_free(name_tables
->soft_irq_names
);
1557 if(name_tables
) g_free(name_tables
);
1560 #ifdef HASH_TABLE_DEBUG
1562 static void test_process(gpointer key
, gpointer value
, gpointer user_data
)
1564 LttvProcessState
*process
= (LttvProcessState
*)value
;
1566 /* Test for process corruption */
1567 guint stack_len
= process
->execution_stack
->len
;
1570 static void hash_table_check(GHashTable
*table
)
1572 g_hash_table_foreach(table
, test_process
, NULL
);
1579 static void push_state(LttvTracefileState
*tfs
, LttvExecutionMode t
,
1582 LttvExecutionState
*es
;
1584 LttvTraceState
*ts
= (LttvTraceState
*)tfs
->parent
.t_context
;
1585 guint cpu
= tfs
->cpu
;
1587 #ifdef HASH_TABLE_DEBUG
1588 hash_table_check(ts
->processes
);
1590 LttvProcessState
*process
= ts
->running_process
[cpu
];
1592 guint depth
= process
->execution_stack
->len
;
1594 process
->execution_stack
=
1595 g_array_set_size(process
->execution_stack
, depth
+ 1);
1598 &g_array_index(process
->execution_stack
, LttvExecutionState
, depth
- 1);
1600 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
, depth
);
1603 es
->entry
= es
->change
= tfs
->parent
.timestamp
;
1604 es
->cum_cpu_time
= ltt_time_zero
;
1605 es
->s
= process
->state
->s
;
1606 process
->state
= es
;
1610 * return 1 when empty, else 0 */
1611 int lttv_state_pop_state_cleanup(LttvProcessState
*process
,
1612 LttvTracefileState
*tfs
)
1614 guint cpu
= tfs
->cpu
;
1615 LttvTraceState
*ts
= (LttvTraceState
*)tfs
->parent
.t_context
;
1617 guint depth
= process
->execution_stack
->len
;
1623 process
->execution_stack
=
1624 g_array_set_size(process
->execution_stack
, depth
- 1);
1625 process
->state
= &g_array_index(process
->execution_stack
, LttvExecutionState
,
1627 process
->state
->change
= tfs
->parent
.timestamp
;
1632 static void pop_state(LttvTracefileState
*tfs
, LttvExecutionMode t
)
1634 guint cpu
= tfs
->cpu
;
1635 LttvTraceState
*ts
= (LttvTraceState
*)tfs
->parent
.t_context
;
1636 LttvProcessState
*process
= ts
->running_process
[cpu
];
1638 guint depth
= process
->execution_stack
->len
;
1640 if(process
->state
->t
!= t
){
1641 g_info("Different execution mode type (%lu.%09lu): ignore it\n",
1642 tfs
->parent
.timestamp
.tv_sec
, tfs
->parent
.timestamp
.tv_nsec
);
1643 g_info("process state has %s when pop_int is %s\n",
1644 g_quark_to_string(process
->state
->t
),
1645 g_quark_to_string(t
));
1646 g_info("{ %u, %u, %s, %s, %s }\n",
1649 g_quark_to_string(process
->name
),
1650 g_quark_to_string(process
->brand
),
1651 g_quark_to_string(process
->state
->s
));
1656 g_info("Trying to pop last state on stack (%lu.%09lu): ignore it\n",
1657 tfs
->parent
.timestamp
.tv_sec
, tfs
->parent
.timestamp
.tv_nsec
);
1661 process
->execution_stack
=
1662 g_array_set_size(process
->execution_stack
, depth
- 1);
1663 process
->state
= &g_array_index(process
->execution_stack
, LttvExecutionState
,
1665 process
->state
->change
= tfs
->parent
.timestamp
;
1668 struct search_result
{
1669 const LttTime
*time
; /* Requested time */
1670 LttTime
*best
; /* Best result */
1673 static gint
search_usertrace(gconstpointer a
, gconstpointer b
)
1675 const LttTime
*elem_time
= (const LttTime
*)a
;
1676 /* Explicit non const cast */
1677 struct search_result
*res
= (struct search_result
*)b
;
1679 if(ltt_time_compare(*elem_time
, *(res
->time
)) < 0) {
1680 /* The usertrace was created before the schedchange */
1681 /* Get larger keys */
1683 } else if(ltt_time_compare(*elem_time
, *(res
->time
)) >= 0) {
1684 /* The usertrace was created after the schedchange time */
1685 /* Get smaller keys */
1687 if(ltt_time_compare(*elem_time
, *res
->best
) < 0) {
1688 res
->best
= elem_time
;
1691 res
->best
= elem_time
;
1698 static LttvTracefileState
*ltt_state_usertrace_find(LttvTraceState
*tcs
,
1699 guint pid
, const LttTime
*timestamp
)
1701 LttvTracefileState
*tfs
= NULL
;
1702 struct search_result res
;
1703 /* Find the usertrace associated with a pid and time interval.
1704 * Search in the usertraces by PID (within a hash) and then, for each
1705 * corresponding element of the array, find the first one with creation
1706 * timestamp the lowest, but higher or equal to "timestamp". */
1707 res
.time
= timestamp
;
1709 GTree
*usertrace_tree
= g_hash_table_lookup(tcs
->usertraces
, (gpointer
)pid
);
1710 if(usertrace_tree
) {
1711 g_tree_search(usertrace_tree
, search_usertrace
, &res
);
1713 tfs
= g_tree_lookup(usertrace_tree
, res
.best
);
1721 lttv_state_create_process(LttvTraceState
*tcs
, LttvProcessState
*parent
,
1722 guint cpu
, guint pid
, guint tgid
, GQuark name
, const LttTime
*timestamp
)
1724 LttvProcessState
*process
= g_new(LttvProcessState
, 1);
1726 LttvExecutionState
*es
;
1728 LttvTraceContext
*tc
= (LttvTraceContext
*)tcs
;
1733 process
->tgid
= tgid
;
1735 process
->name
= name
;
1736 process
->brand
= LTTV_STATE_UNBRANDED
;
1737 //process->last_cpu = tfs->cpu_name;
1738 //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf);
1739 process
->type
= LTTV_STATE_USER_THREAD
;
1740 process
->usertrace
= ltt_state_usertrace_find(tcs
, pid
, timestamp
);
1741 process
->current_function
= 0; //function 0x0 by default.
1743 g_info("Process %u, core %p", process
->pid
, process
);
1744 g_hash_table_insert(tcs
->processes
, process
, process
);
1747 process
->ppid
= parent
->pid
;
1748 process
->creation_time
= *timestamp
;
1751 /* No parent. This process exists but we are missing all information about
1752 its creation. The birth time is set to zero but we remember the time of
1757 process
->creation_time
= ltt_time_zero
;
1760 process
->insertion_time
= *timestamp
;
1761 sprintf(buffer
,"%d-%lu.%lu",pid
, process
->creation_time
.tv_sec
,
1762 process
->creation_time
.tv_nsec
);
1763 process
->pid_time
= g_quark_from_string(buffer
);
1765 //process->last_cpu = tfs->cpu_name;
1766 //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf);
1767 process
->execution_stack
= g_array_sized_new(FALSE
, FALSE
,
1768 sizeof(LttvExecutionState
), PREALLOCATED_EXECUTION_STACK
);
1769 process
->execution_stack
= g_array_set_size(process
->execution_stack
, 2);
1770 es
= process
->state
= &g_array_index(process
->execution_stack
,
1771 LttvExecutionState
, 0);
1772 es
->t
= LTTV_STATE_USER_MODE
;
1773 es
->n
= LTTV_STATE_SUBMODE_NONE
;
1774 es
->entry
= *timestamp
;
1775 //g_assert(timestamp->tv_sec != 0);
1776 es
->change
= *timestamp
;
1777 es
->cum_cpu_time
= ltt_time_zero
;
1778 es
->s
= LTTV_STATE_RUN
;
1780 es
= process
->state
= &g_array_index(process
->execution_stack
,
1781 LttvExecutionState
, 1);
1782 es
->t
= LTTV_STATE_SYSCALL
;
1783 es
->n
= LTTV_STATE_SUBMODE_NONE
;
1784 es
->entry
= *timestamp
;
1785 //g_assert(timestamp->tv_sec != 0);
1786 es
->change
= *timestamp
;
1787 es
->cum_cpu_time
= ltt_time_zero
;
1788 es
->s
= LTTV_STATE_WAIT_FORK
;
1790 /* Allocate an empty function call stack. If it's empty, use 0x0. */
1791 process
->user_stack
= g_array_sized_new(FALSE
, FALSE
,
1792 sizeof(guint64
), 0);
1797 LttvProcessState
*lttv_state_find_process(LttvTraceState
*ts
, guint cpu
,
1800 LttvProcessState key
;
1801 LttvProcessState
*process
;
1805 process
= g_hash_table_lookup(ts
->processes
, &key
);
1810 lttv_state_find_process_or_create(LttvTraceState
*ts
, guint cpu
, guint pid
,
1811 const LttTime
*timestamp
)
1813 LttvProcessState
*process
= lttv_state_find_process(ts
, cpu
, pid
);
1814 LttvExecutionState
*es
;
1816 /* Put ltt_time_zero creation time for unexisting processes */
1817 if(unlikely(process
== NULL
)) {
1818 process
= lttv_state_create_process(ts
,
1819 NULL
, cpu
, pid
, 0, LTTV_STATE_UNNAMED
, timestamp
);
1820 /* We are not sure is it's a kernel thread or normal thread, put the
1821 * bottom stack state to unknown */
1822 process
->execution_stack
=
1823 g_array_set_size(process
->execution_stack
, 1);
1824 process
->state
= es
=
1825 &g_array_index(process
->execution_stack
, LttvExecutionState
, 0);
1826 es
->t
= LTTV_STATE_MODE_UNKNOWN
;
1827 es
->s
= LTTV_STATE_UNNAMED
;
1832 /* FIXME : this function should be called when we receive an event telling that
1833 * release_task has been called in the kernel. In happens generally when
1834 * the parent waits for its child terminaison, but may also happen in special
1835 * cases in the child's exit : when the parent ignores its children SIGCCHLD or
1836 * has the flag SA_NOCLDWAIT. It can also happen when the child is part
1837 * of a killed thread ground, but isn't the leader.
1839 static void exit_process(LttvTracefileState
*tfs
, LttvProcessState
*process
)
1841 LttvTraceState
*ts
= LTTV_TRACE_STATE(tfs
->parent
.t_context
);
1842 LttvProcessState key
;
1844 key
.pid
= process
->pid
;
1845 key
.cpu
= process
->cpu
;
1846 g_hash_table_remove(ts
->processes
, &key
);
1847 g_array_free(process
->execution_stack
, TRUE
);
1848 g_array_free(process
->user_stack
, TRUE
);
1853 static void free_process_state(gpointer key
, gpointer value
,gpointer user_data
)
1855 g_array_free(((LttvProcessState
*)value
)->execution_stack
, TRUE
);
1856 g_array_free(((LttvProcessState
*)value
)->user_stack
, TRUE
);
1861 static void lttv_state_free_process_table(GHashTable
*processes
)
1863 g_hash_table_foreach(processes
, free_process_state
, NULL
);
1864 g_hash_table_destroy(processes
);
1868 static gboolean
syscall_entry(void *hook_data
, void *call_data
)
1870 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1872 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
1873 LttvProcessState
*process
= ts
->running_process
[cpu
];
1874 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1875 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1876 LttField
*f
= thf
->f1
;
1878 LttvExecutionSubmode submode
;
1880 guint nb_syscalls
= ((LttvTraceState
*)(s
->parent
.t_context
))->nb_syscalls
;
1881 guint syscall
= ltt_event_get_unsigned(e
, f
);
1883 if(syscall
< nb_syscalls
) {
1884 submode
= ((LttvTraceState
*)(s
->parent
.t_context
))->syscall_names
[
1887 /* Fixup an incomplete syscall table */
1888 GString
*string
= g_string_new("");
1889 g_string_printf(string
, "syscall %u", syscall
);
1890 submode
= g_quark_from_string(string
->str
);
1891 g_string_free(string
, TRUE
);
1893 /* There can be no system call from PID 0 : unknown state */
1894 if(process
->pid
!= 0)
1895 push_state(s
, LTTV_STATE_SYSCALL
, submode
);
1900 static gboolean
syscall_exit(void *hook_data
, void *call_data
)
1902 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1904 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
1905 LttvProcessState
*process
= ts
->running_process
[cpu
];
1907 /* There can be no system call from PID 0 : unknown state */
1908 if(process
->pid
!= 0)
1909 pop_state(s
, LTTV_STATE_SYSCALL
);
1914 static gboolean
trap_entry(void *hook_data
, void *call_data
)
1916 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1917 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1918 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1919 LttField
*f
= thf
->f1
;
1921 LttvExecutionSubmode submode
;
1923 guint64 nb_traps
= ((LttvTraceState
*)(s
->parent
.t_context
))->nb_traps
;
1924 guint64 trap
= ltt_event_get_long_unsigned(e
, f
);
1926 if(trap
< nb_traps
) {
1927 submode
= ((LttvTraceState
*)(s
->parent
.t_context
))->trap_names
[trap
];
1929 /* Fixup an incomplete trap table */
1930 GString
*string
= g_string_new("");
1931 g_string_printf(string
, "trap %llu", trap
);
1932 submode
= g_quark_from_string(string
->str
);
1933 g_string_free(string
, TRUE
);
1936 push_state(s
, LTTV_STATE_TRAP
, submode
);
1941 static gboolean
trap_exit(void *hook_data
, void *call_data
)
1943 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1945 pop_state(s
, LTTV_STATE_TRAP
);
1950 static gboolean
irq_entry(void *hook_data
, void *call_data
)
1952 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1953 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1954 guint8 fac_id
= ltt_event_facility_id(e
);
1955 guint8 ev_id
= ltt_event_eventtype_id(e
);
1956 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1957 // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL);
1958 g_assert(thf
->f1
!= NULL
);
1959 // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data));
1960 LttField
*f
= thf
->f1
;
1962 LttvExecutionSubmode submode
;
1963 guint64 irq
= ltt_event_get_long_unsigned(e
, f
);
1964 guint64 nb_irqs
= ((LttvTraceState
*)(s
->parent
.t_context
))->nb_irqs
;
1968 submode
= ((LttvTraceState
*)(s
->parent
.t_context
))->irq_names
[irq
];
1970 /* Fixup an incomplete irq table */
1971 GString
*string
= g_string_new("");
1972 g_string_printf(string
, "irq %llu", irq
);
1973 submode
= g_quark_from_string(string
->str
);
1974 g_string_free(string
, TRUE
);
1977 /* Do something with the info about being in user or system mode when int? */
1978 push_state(s
, LTTV_STATE_IRQ
, submode
);
1982 static gboolean
soft_irq_exit(void *hook_data
, void *call_data
)
1984 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1986 pop_state(s
, LTTV_STATE_SOFT_IRQ
);
1992 static gboolean
irq_exit(void *hook_data
, void *call_data
)
1994 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1996 pop_state(s
, LTTV_STATE_IRQ
);
2000 static gboolean
soft_irq_entry(void *hook_data
, void *call_data
)
2002 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2003 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2004 guint8 fac_id
= ltt_event_facility_id(e
);
2005 guint8 ev_id
= ltt_event_eventtype_id(e
);
2006 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2007 // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL);
2008 g_assert(thf
->f1
!= NULL
);
2009 // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data));
2010 LttField
*f
= thf
->f1
;
2012 LttvExecutionSubmode submode
;
2013 guint64 softirq
= ltt_event_get_long_unsigned(e
, f
);
2014 guint64 nb_softirqs
= ((LttvTraceState
*)(s
->parent
.t_context
))->nb_softirqs
;
2017 if(softirq
< nb_softirqs
) {
2018 submode
= ((LttvTraceState
*)(s
->parent
.t_context
))->soft_irq_names
[softirq
];
2020 /* Fixup an incomplete irq table */
2021 GString
*string
= g_string_new("");
2022 g_string_printf(string
, "softirq %llu", softirq
);
2023 submode
= g_quark_from_string(string
->str
);
2024 g_string_free(string
, TRUE
);
2027 /* Do something with the info about being in user or system mode when int? */
2028 push_state(s
, LTTV_STATE_SOFT_IRQ
, submode
);
2032 static void push_function(LttvTracefileState
*tfs
, guint64 funcptr
)
2036 LttvTraceState
*ts
= (LttvTraceState
*)tfs
->parent
.t_context
;
2037 guint cpu
= tfs
->cpu
;
2038 LttvProcessState
*process
= ts
->running_process
[cpu
];
2040 guint depth
= process
->user_stack
->len
;
2042 process
->user_stack
=
2043 g_array_set_size(process
->user_stack
, depth
+ 1);
2045 new_func
= &g_array_index(process
->user_stack
, guint64
, depth
);
2046 *new_func
= funcptr
;
2047 process
->current_function
= funcptr
;
2050 static void pop_function(LttvTracefileState
*tfs
, guint64 funcptr
)
2052 guint cpu
= tfs
->cpu
;
2053 LttvTraceState
*ts
= (LttvTraceState
*)tfs
->parent
.t_context
;
2054 LttvProcessState
*process
= ts
->running_process
[cpu
];
2056 if(process
->current_function
!= funcptr
){
2057 g_info("Different functions (%lu.%09lu): ignore it\n",
2058 tfs
->parent
.timestamp
.tv_sec
, tfs
->parent
.timestamp
.tv_nsec
);
2059 g_info("process state has %llu when pop_function is %llu\n",
2060 process
->current_function
, funcptr
);
2061 g_info("{ %u, %u, %s, %s, %s }\n",
2064 g_quark_to_string(process
->name
),
2065 g_quark_to_string(process
->brand
),
2066 g_quark_to_string(process
->state
->s
));
2069 guint depth
= process
->user_stack
->len
;
2072 g_info("Trying to pop last function on stack (%lu.%09lu): ignore it\n",
2073 tfs
->parent
.timestamp
.tv_sec
, tfs
->parent
.timestamp
.tv_nsec
);
2077 process
->user_stack
=
2078 g_array_set_size(process
->user_stack
, depth
- 1);
2079 process
->current_function
=
2080 g_array_index(process
->user_stack
, guint64
, depth
- 2);
2084 static gboolean
function_entry(void *hook_data
, void *call_data
)
2086 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2087 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2088 guint8 fac_id
= ltt_event_facility_id(e
);
2089 guint8 ev_id
= ltt_event_eventtype_id(e
);
2090 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2091 g_assert(thf
->f1
!= NULL
);
2092 LttField
*f
= thf
->f1
;
2093 guint64 funcptr
= ltt_event_get_long_unsigned(e
, f
);
2095 push_function(s
, funcptr
);
2099 static gboolean
function_exit(void *hook_data
, void *call_data
)
2101 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2102 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2103 guint8 fac_id
= ltt_event_facility_id(e
);
2104 guint8 ev_id
= ltt_event_eventtype_id(e
);
2105 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2106 g_assert(thf
->f1
!= NULL
);
2107 LttField
*f
= thf
->f1
;
2108 guint64 funcptr
= ltt_event_get_long_unsigned(e
, f
);
2110 LttvExecutionSubmode submode
;
2112 pop_function(s
, funcptr
);
2116 static gboolean
schedchange(void *hook_data
, void *call_data
)
2118 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2120 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2121 LttvProcessState
*process
= ts
->running_process
[cpu
];
2122 LttvProcessState
*old_process
= ts
->running_process
[cpu
];
2124 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2125 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2126 guint pid_in
, pid_out
;
2129 pid_out
= ltt_event_get_unsigned(e
, thf
->f1
);
2130 pid_in
= ltt_event_get_unsigned(e
, thf
->f2
);
2131 state_out
= ltt_event_get_int(e
, thf
->f3
);
2133 if(likely(process
!= NULL
)) {
2135 /* We could not know but it was not the idle process executing.
2136 This should only happen at the beginning, before the first schedule
2137 event, and when the initial information (current process for each CPU)
2138 is missing. It is not obvious how we could, after the fact, compensate
2139 the wrongly attributed statistics. */
2141 //This test only makes sense once the state is known and if there is no
2142 //missing events. We need to silently ignore schedchange coming after a
2143 //process_free, or it causes glitches. (FIXME)
2144 //if(unlikely(process->pid != pid_out)) {
2145 // g_assert(process->pid == 0);
2147 if(process
->pid
== 0
2148 && process
->state
->t
== LTTV_STATE_MODE_UNKNOWN
) {
2150 /* Scheduling out of pid 0 at beginning of the trace :
2151 * we know for sure it is in syscall mode at this point. */
2152 g_assert(process
->execution_stack
->len
== 1);
2153 process
->state
->t
= LTTV_STATE_SYSCALL
;
2154 process
->state
->s
= LTTV_STATE_WAIT
;
2155 process
->state
->change
= s
->parent
.timestamp
;
2156 process
->state
->entry
= s
->parent
.timestamp
;
2159 if(unlikely(process
->state
->s
== LTTV_STATE_EXIT
)) {
2160 process
->state
->s
= LTTV_STATE_ZOMBIE
;
2161 process
->state
->change
= s
->parent
.timestamp
;
2163 if(unlikely(state_out
== 0)) process
->state
->s
= LTTV_STATE_WAIT_CPU
;
2164 else process
->state
->s
= LTTV_STATE_WAIT
;
2165 process
->state
->change
= s
->parent
.timestamp
;
2169 exit_process(s
, process
); /* EXIT_DEAD */
2170 /* see sched.h for states */
2173 process
= ts
->running_process
[cpu
] =
2174 lttv_state_find_process_or_create(
2175 (LttvTraceState
*)s
->parent
.t_context
,
2177 &s
->parent
.timestamp
);
2178 process
->state
->s
= LTTV_STATE_RUN
;
2180 if(process
->usertrace
)
2181 process
->usertrace
->cpu
= cpu
;
2182 // process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf);
2183 process
->state
->change
= s
->parent
.timestamp
;
2187 static gboolean
process_fork(void *hook_data
, void *call_data
)
2189 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2190 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2191 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2193 guint child_pid
; /* In the Linux Kernel, there is one PID per thread. */
2194 guint child_tgid
; /* tgid in the Linux kernel is the "real" POSIX PID. */
2195 LttvProcessState
*zombie_process
;
2197 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2198 LttvProcessState
*process
= ts
->running_process
[cpu
];
2199 LttvProcessState
*child_process
;
2202 parent_pid
= ltt_event_get_unsigned(e
, thf
->f1
);
2205 child_pid
= ltt_event_get_unsigned(e
, thf
->f2
);
2206 s
->parent
.target_pid
= child_pid
;
2209 if(thf
->f3
) child_tgid
= ltt_event_get_unsigned(e
, thf
->f3
);
2210 else child_tgid
= 0;
2212 /* Mathieu : it seems like the process might have been scheduled in before the
2213 * fork, and, in a rare case, might be the current process. This might happen
2214 * in a SMP case where we don't have enough precision on the clocks.
2216 * Test reenabled after precision fixes on time. (Mathieu) */
2218 zombie_process
= lttv_state_find_process(ts
, ANY_CPU
, child_pid
);
2220 if(unlikely(zombie_process
!= NULL
)) {
2221 /* Reutilisation of PID. Only now we are sure that the old PID
2222 * has been released. FIXME : should know when release_task happens instead.
2224 guint num_cpus
= ltt_trace_get_num_cpu(ts
->parent
.t
);
2226 for(i
=0; i
< num_cpus
; i
++) {
2227 g_assert(zombie_process
!= ts
->running_process
[i
]);
2230 exit_process(s
, zombie_process
);
2233 g_assert(process
->pid
!= child_pid
);
2234 // FIXME : Add this test in the "known state" section
2235 // g_assert(process->pid == parent_pid);
2236 child_process
= lttv_state_find_process(ts
, ANY_CPU
, child_pid
);
2237 if(child_process
== NULL
) {
2238 child_process
= lttv_state_create_process(ts
, process
, cpu
,
2239 child_pid
, child_tgid
,
2240 LTTV_STATE_UNNAMED
, &s
->parent
.timestamp
);
2242 /* The process has already been created : due to time imprecision between
2243 * multiple CPUs : it has been scheduled in before creation. Note that we
2244 * shouldn't have this kind of imprecision.
2246 * Simply put a correct parent.
2248 g_assert(0); /* This is a problematic case : the process has been created
2249 before the fork event */
2250 child_process
->ppid
= process
->pid
;
2251 child_process
->tgid
= child_tgid
;
2253 g_assert(child_process
->name
== LTTV_STATE_UNNAMED
);
2254 child_process
->name
= process
->name
;
2255 child_process
->brand
= process
->brand
;
2260 /* We stamp a newly created process as kernel_thread.
2261 * The thread should not be running yet. */
2262 static gboolean
process_kernel_thread(void *hook_data
, void *call_data
)
2264 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2265 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2266 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2269 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2270 LttvProcessState
*process
;
2271 LttvExecutionState
*es
;
2274 pid
= ltt_event_get_unsigned(e
, thf
->f1
);
2275 s
->parent
.target_pid
= pid
;
2277 process
= lttv_state_find_process(ts
, ANY_CPU
, pid
);
2278 process
->execution_stack
=
2279 g_array_set_size(process
->execution_stack
, 1);
2280 es
= process
->state
=
2281 &g_array_index(process
->execution_stack
, LttvExecutionState
, 0);
2282 es
->t
= LTTV_STATE_SYSCALL
;
2283 process
->type
= LTTV_STATE_KERNEL_THREAD
;
2288 static gboolean
process_exit(void *hook_data
, void *call_data
)
2290 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2291 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2292 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2296 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2297 LttvProcessState
*process
; // = ts->running_process[cpu];
2299 pid
= ltt_event_get_unsigned(e
, thf
->f1
);
2300 s
->parent
.target_pid
= pid
;
2302 // FIXME : Add this test in the "known state" section
2303 // g_assert(process->pid == pid);
2305 process
= lttv_state_find_process(ts
, ANY_CPU
, pid
);
2306 if(likely(process
!= NULL
)) {
2307 process
->state
->s
= LTTV_STATE_EXIT
;
2312 static gboolean
process_free(void *hook_data
, void *call_data
)
2314 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2315 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2316 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2317 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2319 LttvProcessState
*process
;
2321 /* PID of the process to release */
2322 release_pid
= ltt_event_get_unsigned(e
, thf
->f1
);
2323 s
->parent
.target_pid
= release_pid
;
2325 g_assert(release_pid
!= 0);
2327 process
= lttv_state_find_process(ts
, ANY_CPU
, release_pid
);
2329 if(likely(process
!= NULL
)) {
2330 /* release_task is happening at kernel level : we can now safely release
2331 * the data structure of the process */
2332 //This test is fun, though, as it may happen that
2333 //at time t : CPU 0 : process_free
2334 //at time t+150ns : CPU 1 : schedule out
2335 //Clearly due to time imprecision, we disable it. (Mathieu)
2336 //If this weird case happen, we have no choice but to put the
2337 //Currently running process on the cpu to 0.
2338 //I re-enable it following time precision fixes. (Mathieu)
2339 //Well, in the case where an process is freed by a process on another CPU
2340 //and still scheduled, it happens that this is the schedchange that will
2341 //drop the last reference count. Do not free it here!
2342 guint num_cpus
= ltt_trace_get_num_cpu(ts
->parent
.t
);
2344 for(i
=0; i
< num_cpus
; i
++) {
2345 //g_assert(process != ts->running_process[i]);
2346 if(process
== ts
->running_process
[i
]) {
2347 //ts->running_process[i] = lttv_state_find_process(ts, i, 0);
2351 if(i
== num_cpus
) /* process is not scheduled */
2352 exit_process(s
, process
);
2359 static gboolean
process_exec(void *hook_data
, void *call_data
)
2361 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2362 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2363 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2364 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2367 LttvProcessState
*process
= ts
->running_process
[cpu
];
2369 /* PID of the process to release */
2370 guint64 name_len
= ltt_event_field_element_number(e
, thf
->f1
);
2371 //name = ltt_event_get_string(e, thf->f1);
2372 LttField
*child
= ltt_event_field_element_select(e
, thf
->f1
, 0);
2374 (gchar
*)(ltt_event_data(e
)+ltt_event_field_offset(e
, child
));
2375 gchar
*null_term_name
= g_new(gchar
, name_len
+1);
2376 memcpy(null_term_name
, name_begin
, name_len
);
2377 null_term_name
[name_len
] = '\0';
2379 process
->name
= g_quark_from_string(null_term_name
);
2380 process
->brand
= LTTV_STATE_UNBRANDED
;
2381 g_free(null_term_name
);
2385 static gboolean
thread_brand(void *hook_data
, void *call_data
)
2387 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2388 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2389 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2390 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2393 LttvProcessState
*process
= ts
->running_process
[cpu
];
2395 name
= ltt_event_get_string(e
, thf
->f1
);
2396 process
->brand
= g_quark_from_string(name
);
2401 static void fix_process(gpointer key
, gpointer value
,
2404 LttvProcessState
*process
;
2405 LttvExecutionState
*es
;
2406 process
= (LttvProcessState
*)value
;
2407 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)user_data
;
2408 LttTime
*timestamp
= (LttTime
*)user_data
;
2410 if(process
->type
== LTTV_STATE_KERNEL_THREAD
) {
2411 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
, 0);
2412 if(es
->t
== LTTV_STATE_MODE_UNKNOWN
) {
2413 es
->t
= LTTV_STATE_SYSCALL
;
2414 es
->n
= LTTV_STATE_SUBMODE_NONE
;
2415 es
->entry
= *timestamp
;
2416 es
->change
= *timestamp
;
2417 es
->cum_cpu_time
= ltt_time_zero
;
2418 if(es
->s
== LTTV_STATE_UNNAMED
)
2419 es
->s
= LTTV_STATE_WAIT
;
2422 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
, 0);
2423 if(es
->t
== LTTV_STATE_MODE_UNKNOWN
) {
2424 es
->t
= LTTV_STATE_USER_MODE
;
2425 es
->n
= LTTV_STATE_SUBMODE_NONE
;
2426 es
->entry
= *timestamp
;
2427 //g_assert(timestamp->tv_sec != 0);
2428 es
->change
= *timestamp
;
2429 es
->cum_cpu_time
= ltt_time_zero
;
2430 if(es
->s
== LTTV_STATE_UNNAMED
)
2431 es
->s
= LTTV_STATE_RUN
;
2433 if(process
->execution_stack
->len
== 1) {
2434 /* Still in bottom unknown mode, means never did a system call
2435 * May be either in user mode, syscall mode, running or waiting.*/
2436 /* FIXME : we may be tagging syscall mode when being user mode */
2437 process
->execution_stack
=
2438 g_array_set_size(process
->execution_stack
, 2);
2439 es
= process
->state
= &g_array_index(process
->execution_stack
,
2440 LttvExecutionState
, 1);
2441 es
->t
= LTTV_STATE_SYSCALL
;
2442 es
->n
= LTTV_STATE_SUBMODE_NONE
;
2443 es
->entry
= *timestamp
;
2444 //g_assert(timestamp->tv_sec != 0);
2445 es
->change
= *timestamp
;
2446 es
->cum_cpu_time
= ltt_time_zero
;
2447 //es->s = LTTV_STATE_WAIT;
2453 static gboolean
statedump_end(void *hook_data
, void *call_data
)
2455 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2456 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2457 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)call_data
;
2458 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2459 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2461 /* For all processes */
2462 /* if kernel thread, if stack[0] is unknown, set to syscall mode, wait */
2463 /* else, if stack[0] is unknown, set to user mode, running */
2465 g_hash_table_foreach(ts
->processes
, fix_process
, &tfc
->timestamp
);
2468 static gboolean
enum_process_state(void *hook_data
, void *call_data
)
2470 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
2471 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
2472 //It's slow : optimise later by doing this before reading trace.
2473 LttEventType
*et
= ltt_event_eventtype(e
);
2475 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
2481 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
2482 LttvProcessState
*process
= ts
->running_process
[cpu
];
2483 LttvProcessState
*parent_process
;
2484 LttField
*f4
, *f5
, *f6
, *f7
, *f8
;
2485 GQuark type
, mode
, submode
, status
;
2486 LttvExecutionState
*es
;
2490 pid
= ltt_event_get_unsigned(e
, thf
->f1
);
2491 s
->parent
.target_pid
= pid
;
2494 parent_pid
= ltt_event_get_unsigned(e
, thf
->f2
);
2497 command
= ltt_event_get_string(e
, thf
->f3
);
2500 f4
= ltt_eventtype_field_by_name(et
, LTT_FIELD_TYPE
);
2501 type
= ltt_enum_string_get(ltt_field_type(f4
),
2502 ltt_event_get_unsigned(e
, f4
));
2505 f5
= ltt_eventtype_field_by_name(et
, LTT_FIELD_MODE
);
2506 mode
= ltt_enum_string_get(ltt_field_type(f5
),
2507 ltt_event_get_unsigned(e
, f5
));
2510 f6
= ltt_eventtype_field_by_name(et
, LTT_FIELD_SUBMODE
);
2511 submode
= ltt_enum_string_get(ltt_field_type(f6
),
2512 ltt_event_get_unsigned(e
, f6
));
2515 f7
= ltt_eventtype_field_by_name(et
, LTT_FIELD_STATUS
);
2516 status
= ltt_enum_string_get(ltt_field_type(f7
),
2517 ltt_event_get_unsigned(e
, f7
));
2520 f8
= ltt_eventtype_field_by_name(et
, LTT_FIELD_TGID
);
2521 if(f8
) tgid
= ltt_event_get_unsigned(e
, f8
);
2526 nb_cpus
= ltt_trace_get_num_cpu(ts
->parent
.t
);
2527 for(i
=0; i
<nb_cpus
; i
++) {
2528 process
= lttv_state_find_process(ts
, i
, pid
);
2529 g_assert(process
!= NULL
);
2531 process
->ppid
= parent_pid
;
2532 process
->tgid
= tgid
;
2533 process
->name
= g_quark_from_string(command
);
2535 &g_array_index(process
->execution_stack
, LttvExecutionState
, 0);
2536 process
->type
= LTTV_STATE_KERNEL_THREAD
;
2540 /* The process might exist if a process was forked while performing the
2542 process
= lttv_state_find_process(ts
, ANY_CPU
, pid
);
2543 if(process
== NULL
) {
2544 parent_process
= lttv_state_find_process(ts
, ANY_CPU
, parent_pid
);
2545 process
= lttv_state_create_process(ts
, parent_process
, cpu
,
2546 pid
, tgid
, g_quark_from_string(command
),
2547 &s
->parent
.timestamp
);
2549 /* Keep the stack bottom : a running user mode */
2550 /* Disabled because of inconsistencies in the current statedump states. */
2551 if(type
== LTTV_STATE_KERNEL_THREAD
) {
2552 /* Only keep the bottom
2553 * FIXME Kernel thread : can be in syscall or interrupt or trap. */
2554 /* Will cause expected trap when in fact being syscall (even after end of
2556 * Will cause expected interrupt when being syscall. (only before end of
2557 * statedump event) */
2558 // This will cause a "popping last state on stack, ignoring it."
2559 process
->execution_stack
= g_array_set_size(process
->execution_stack
, 1);
2560 es
= process
->state
= &g_array_index(process
->execution_stack
,
2561 LttvExecutionState
, 0);
2562 process
->type
= LTTV_STATE_KERNEL_THREAD
;
2563 es
->t
= LTTV_STATE_MODE_UNKNOWN
;
2564 es
->s
= LTTV_STATE_UNNAMED
;
2565 es
->n
= LTTV_STATE_SUBMODE_UNKNOWN
;
2567 es
->t
= LTTV_STATE_SYSCALL
;
2572 /* User space process :
2573 * bottom : user mode
2574 * either currently running or scheduled out.
2575 * can be scheduled out because interrupted in (user mode or in syscall)
2576 * or because of an explicit call to the scheduler in syscall. Note that
2577 * the scheduler call comes after the irq_exit, so never in interrupt
2579 // temp workaround : set size to 1 : only have user mode bottom of stack.
2580 // will cause g_info message of expected syscall mode when in fact being
2581 // in user mode. Can also cause expected trap when in fact being user
2582 // mode in the event of a page fault reenabling interrupts in the handler.
2583 // Expected syscall and trap can also happen after the end of statedump
2584 // This will cause a "popping last state on stack, ignoring it."
2585 process
->execution_stack
= g_array_set_size(process
->execution_stack
, 1);
2586 es
= process
->state
= &g_array_index(process
->execution_stack
,
2587 LttvExecutionState
, 0);
2588 es
->t
= LTTV_STATE_MODE_UNKNOWN
;
2589 es
->s
= LTTV_STATE_UNNAMED
;
2590 es
->n
= LTTV_STATE_SUBMODE_UNKNOWN
;
2592 es
->t
= LTTV_STATE_USER_MODE
;
2600 es
= process
->state
= &g_array_index(process
->execution_stack
,
2601 LttvExecutionState
, 1);
2602 es
->t
= LTTV_STATE_MODE_UNKNOWN
;
2603 es
->s
= LTTV_STATE_UNNAMED
;
2604 es
->n
= LTTV_STATE_SUBMODE_UNKNOWN
;
2608 /* The process has already been created :
2609 * Probably was forked while dumping the process state or
2610 * was simply scheduled in prior to get the state dump event.
2612 process
->ppid
= parent_pid
;
2613 process
->tgid
= tgid
;
2614 process
->name
= g_quark_from_string(command
);
2615 process
->type
= type
;
2617 &g_array_index(process
->execution_stack
, LttvExecutionState
, 0);
2619 if(es
->t
== LTTV_STATE_MODE_UNKNOWN
) {
2620 if(type
== LTTV_STATE_KERNEL_THREAD
)
2621 es
->t
= LTTV_STATE_SYSCALL
;
2623 es
->t
= LTTV_STATE_USER_MODE
;
2626 /* Don't mess around with the stack, it will eventually become
2627 * ok after the end of state dump. */
2634 gint
lttv_state_hook_add_event_hooks(void *hook_data
, void *call_data
)
2636 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
2638 lttv_state_add_event_hooks(tss
);
2643 void lttv_state_add_event_hooks(LttvTracesetState
*self
)
2645 LttvTraceset
*traceset
= self
->parent
.ts
;
2647 guint i
, j
, k
, l
, nb_trace
, nb_tracefile
;
2651 LttvTracefileState
*tfs
;
2655 LttvTraceHookByFacility
*thf
;
2657 LttvTraceHook
*hook
;
2659 LttvAttributeValue val
;
2664 nb_trace
= lttv_traceset_number(traceset
);
2665 for(i
= 0 ; i
< nb_trace
; i
++) {
2666 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
2668 /* Find the eventtype id for the following events and register the
2669 associated by id hooks. */
2671 hooks
= g_array_sized_new(FALSE
, FALSE
, sizeof(LttvTraceHook
), 19);
2672 hooks
= g_array_set_size(hooks
, 19); // Max possible number of hooks.
2675 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2676 LTT_FACILITY_KERNEL_ARCH
, LTT_EVENT_SYSCALL_ENTRY
,
2677 LTT_FIELD_SYSCALL_ID
, 0, 0,
2678 syscall_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2681 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2682 LTT_FACILITY_KERNEL_ARCH
, LTT_EVENT_SYSCALL_EXIT
,
2684 syscall_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2687 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2688 LTT_FACILITY_KERNEL
, LTT_EVENT_TRAP_ENTRY
,
2689 LTT_FIELD_TRAP_ID
, 0, 0,
2690 trap_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2693 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2694 LTT_FACILITY_KERNEL
, LTT_EVENT_TRAP_EXIT
,
2696 trap_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2699 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2700 LTT_FACILITY_KERNEL
, LTT_EVENT_IRQ_ENTRY
,
2701 LTT_FIELD_IRQ_ID
, 0, 0,
2702 irq_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2705 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2706 LTT_FACILITY_KERNEL
, LTT_EVENT_IRQ_EXIT
,
2708 irq_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2711 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2712 LTT_FACILITY_KERNEL
, LTT_EVENT_SOFT_IRQ_ENTRY
,
2713 LTT_FIELD_SOFT_IRQ_ID
, 0, 0,
2714 soft_irq_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2717 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2718 LTT_FACILITY_KERNEL
, LTT_EVENT_SOFT_IRQ_EXIT
,
2720 soft_irq_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2723 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2724 LTT_FACILITY_PROCESS
, LTT_EVENT_SCHEDCHANGE
,
2725 LTT_FIELD_OUT
, LTT_FIELD_IN
, LTT_FIELD_OUT_STATE
,
2726 schedchange
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2729 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2730 LTT_FACILITY_PROCESS
, LTT_EVENT_FORK
,
2731 LTT_FIELD_PARENT_PID
, LTT_FIELD_CHILD_PID
, LTT_FIELD_TGID
,
2732 process_fork
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2735 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2736 LTT_FACILITY_PROCESS
, LTT_EVENT_KERNEL_THREAD
,
2737 LTT_FIELD_PID
, 0, 0,
2738 process_kernel_thread
, NULL
, &g_array_index(hooks
, LttvTraceHook
,
2742 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2743 LTT_FACILITY_PROCESS
, LTT_EVENT_EXIT
,
2744 LTT_FIELD_PID
, 0, 0,
2745 process_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2748 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2749 LTT_FACILITY_PROCESS
, LTT_EVENT_FREE
,
2750 LTT_FIELD_PID
, 0, 0,
2751 process_free
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2754 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2755 LTT_FACILITY_FS
, LTT_EVENT_EXEC
,
2756 LTT_FIELD_FILENAME
, 0, 0,
2757 process_exec
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2760 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2761 LTT_FACILITY_USER_GENERIC
, LTT_EVENT_THREAD_BRAND
,
2762 LTT_FIELD_NAME
, 0, 0,
2763 thread_brand
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2766 /* statedump-related hooks */
2767 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2768 LTT_FACILITY_STATEDUMP
, LTT_EVENT_ENUM_PROCESS_STATE
,
2769 LTT_FIELD_PID
, LTT_FIELD_PARENT_PID
, LTT_FIELD_NAME
,
2770 enum_process_state
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2773 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2774 LTT_FACILITY_STATEDUMP
, LTT_EVENT_STATEDUMP_END
,
2776 statedump_end
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2779 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2780 LTT_FACILITY_USER_GENERIC
, LTT_EVENT_FUNCTION_ENTRY
,
2781 LTT_FIELD_THIS_FN
, LTT_FIELD_CALL_SITE
, 0,
2782 function_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2785 ret
= lttv_trace_find_hook(ts
->parent
.t
,
2786 LTT_FACILITY_USER_GENERIC
, LTT_EVENT_FUNCTION_EXIT
,
2787 LTT_FIELD_THIS_FN
, LTT_FIELD_CALL_SITE
, 0,
2788 function_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, hn
++));
2791 hooks
= g_array_set_size(hooks
, hn
);
2793 /* Add these hooks to each event_by_id hooks list */
2795 nb_tracefile
= ts
->parent
.tracefiles
->len
;
2797 for(j
= 0 ; j
< nb_tracefile
; j
++) {
2799 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
2800 LttvTracefileContext
*, j
));
2802 for(k
= 0 ; k
< hooks
->len
; k
++) {
2803 hook
= &g_array_index(hooks
, LttvTraceHook
, k
);
2804 for(l
=0;l
<hook
->fac_list
->len
;l
++) {
2805 thf
= g_array_index(hook
->fac_list
, LttvTraceHookByFacility
*, l
);
2807 lttv_hooks_by_id_find(tfs
->parent
.event_by_id
, thf
->id
),
2814 lttv_attribute_find(ts
->parent
.a
, LTTV_STATE_HOOKS
, LTTV_POINTER
, &val
);
2815 *(val
.v_pointer
) = hooks
;
2819 gint
lttv_state_hook_remove_event_hooks(void *hook_data
, void *call_data
)
2821 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
2823 lttv_state_remove_event_hooks(tss
);
2828 void lttv_state_remove_event_hooks(LttvTracesetState
*self
)
2830 LttvTraceset
*traceset
= self
->parent
.ts
;
2832 guint i
, j
, k
, l
, nb_trace
, nb_tracefile
;
2836 LttvTracefileState
*tfs
;
2840 LttvTraceHook
*hook
;
2842 LttvTraceHookByFacility
*thf
;
2844 LttvAttributeValue val
;
2846 nb_trace
= lttv_traceset_number(traceset
);
2847 for(i
= 0 ; i
< nb_trace
; i
++) {
2848 ts
= LTTV_TRACE_STATE(self
->parent
.traces
[i
]);
2850 lttv_attribute_find(ts
->parent
.a
, LTTV_STATE_HOOKS
, LTTV_POINTER
, &val
);
2851 hooks
= *(val
.v_pointer
);
2853 /* Remove these hooks from each event_by_id hooks list */
2855 nb_tracefile
= ts
->parent
.tracefiles
->len
;
2857 for(j
= 0 ; j
< nb_tracefile
; j
++) {
2859 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
2860 LttvTracefileContext
*, j
));
2862 for(k
= 0 ; k
< hooks
->len
; k
++) {
2863 hook
= &g_array_index(hooks
, LttvTraceHook
, k
);
2864 for(l
=0;l
<hook
->fac_list
->len
;l
++) {
2865 thf
= g_array_index(hook
->fac_list
, LttvTraceHookByFacility
*, l
);
2867 lttv_hooks_remove_data(
2868 lttv_hooks_by_id_find(tfs
->parent
.event_by_id
, thf
->id
),
2874 for(k
= 0 ; k
< hooks
->len
; k
++)
2875 lttv_trace_hook_destroy(&g_array_index(hooks
, LttvTraceHook
, k
));
2876 g_array_free(hooks
, TRUE
);
2880 static gboolean
state_save_event_hook(void *hook_data
, void *call_data
)
2882 guint
*event_count
= (guint
*)hook_data
;
2884 /* Only save at LTTV_STATE_SAVE_INTERVAL */
2885 if(likely((*event_count
)++ < LTTV_STATE_SAVE_INTERVAL
))
2890 LttvTracefileState
*self
= (LttvTracefileState
*)call_data
;
2892 LttvTracefileState
*tfcs
;
2894 LttvTraceState
*tcs
= (LttvTraceState
*)(self
->parent
.t_context
);
2896 LttEventPosition
*ep
;
2902 LttvAttribute
*saved_states_tree
, *saved_state_tree
;
2904 LttvAttributeValue value
;
2906 saved_states_tree
= lttv_attribute_find_subdir(tcs
->parent
.t_a
,
2907 LTTV_STATE_SAVED_STATES
);
2908 saved_state_tree
= g_object_new(LTTV_ATTRIBUTE_TYPE
, NULL
);
2909 value
= lttv_attribute_add(saved_states_tree
,
2910 lttv_attribute_get_number(saved_states_tree
), LTTV_GOBJECT
);
2911 *(value
.v_gobject
) = (GObject
*)saved_state_tree
;
2912 value
= lttv_attribute_add(saved_state_tree
, LTTV_STATE_TIME
, LTTV_TIME
);
2913 *(value
.v_time
) = self
->parent
.timestamp
;
2914 lttv_state_save(tcs
, saved_state_tree
);
2915 g_debug("Saving state at time %lu.%lu", self
->parent
.timestamp
.tv_sec
,
2916 self
->parent
.timestamp
.tv_nsec
);
2918 *(tcs
->max_time_state_recomputed_in_seek
) = self
->parent
.timestamp
;
2923 static gboolean
state_save_after_trace_hook(void *hook_data
, void *call_data
)
2925 LttvTraceState
*tcs
= (LttvTraceState
*)(call_data
);
2927 *(tcs
->max_time_state_recomputed_in_seek
) = tcs
->parent
.time_span
.end_time
;
2932 guint
lttv_state_current_cpu(LttvTracefileState
*tfs
)
2940 static gboolean
block_start(void *hook_data
, void *call_data
)
2942 LttvTracefileState
*self
= (LttvTracefileState
*)call_data
;
2944 LttvTracefileState
*tfcs
;
2946 LttvTraceState
*tcs
= (LttvTraceState
*)(self
->parent
.t_context
);
2948 LttEventPosition
*ep
;
2950 guint i
, nb_block
, nb_event
, nb_tracefile
;
2954 LttvAttribute
*saved_states_tree
, *saved_state_tree
;
2956 LttvAttributeValue value
;
2958 ep
= ltt_event_position_new();
2960 nb_tracefile
= tcs
->parent
.tracefiles
->len
;
2962 /* Count the number of events added since the last block end in any
2965 for(i
= 0 ; i
< nb_tracefile
; i
++) {
2967 LTTV_TRACEFILE_STATE(&g_array_index(tcs
->parent
.tracefiles
,
2968 LttvTracefileContext
, i
));
2969 ltt_event_position(tfcs
->parent
.e
, ep
);
2970 ltt_event_position_get(ep
, &nb_block
, &nb_event
, &tf
);
2971 tcs
->nb_event
+= nb_event
- tfcs
->saved_position
;
2972 tfcs
->saved_position
= nb_event
;
2976 if(tcs
->nb_event
>= tcs
->save_interval
) {
2977 saved_states_tree
= lttv_attribute_find_subdir(tcs
->parent
.t_a
,
2978 LTTV_STATE_SAVED_STATES
);
2979 saved_state_tree
= g_object_new(LTTV_ATTRIBUTE_TYPE
, NULL
);
2980 value
= lttv_attribute_add(saved_states_tree
,
2981 lttv_attribute_get_number(saved_states_tree
), LTTV_GOBJECT
);
2982 *(value
.v_gobject
) = (GObject
*)saved_state_tree
;
2983 value
= lttv_attribute_add(saved_state_tree
, LTTV_STATE_TIME
, LTTV_TIME
);
2984 *(value
.v_time
) = self
->parent
.timestamp
;
2985 lttv_state_save(tcs
, saved_state_tree
);
2987 g_debug("Saving state at time %lu.%lu", self
->parent
.timestamp
.tv_sec
,
2988 self
->parent
.timestamp
.tv_nsec
);
2990 *(tcs
->max_time_state_recomputed_in_seek
) = self
->parent
.timestamp
;
2996 static gboolean
block_end(void *hook_data
, void *call_data
)
2998 LttvTracefileState
*self
= (LttvTracefileState
*)call_data
;
3000 LttvTraceState
*tcs
= (LttvTraceState
*)(self
->parent
.t_context
);
3004 LttEventPosition
*ep
;
3006 guint nb_block
, nb_event
;
3008 ep
= ltt_event_position_new();
3009 ltt_event_position(self
->parent
.e
, ep
);
3010 ltt_event_position_get(ep
, &nb_block
, &nb_event
, &tf
);
3011 tcs
->nb_event
+= nb_event
- self
->saved_position
+ 1;
3012 self
->saved_position
= 0;
3013 *(tcs
->max_time_state_recomputed_in_seek
) = self
->parent
.timestamp
;
3020 void lttv_state_save_add_event_hooks(LttvTracesetState
*self
)
3022 LttvTraceset
*traceset
= self
->parent
.ts
;
3024 guint i
, j
, nb_trace
, nb_tracefile
;
3028 LttvTracefileState
*tfs
;
3030 LttvTraceHook hook_start
, hook_end
;
3032 nb_trace
= lttv_traceset_number(traceset
);
3033 for(i
= 0 ; i
< nb_trace
; i
++) {
3034 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
3036 lttv_trace_find_hook(ts
->parent
.t
, "core","block_start",NULL
,
3037 NULL
, NULL
, block_start
, &hook_start
);
3038 lttv_trace_find_hook(ts
->parent
.t
, "core","block_end",NULL
,
3039 NULL
, NULL
, block_end
, &hook_end
);
3041 nb_tracefile
= ts
->parent
.tracefiles
->len
;
3043 for(j
= 0 ; j
< nb_tracefile
; j
++) {
3045 LTTV_TRACEFILE_STATE(&g_array_index(ts
->parent
.tracefiles
,
3046 LttvTracefileContext
, j
));
3047 lttv_hooks_add(lttv_hooks_by_id_find(tfs
->parent
.event_by_id
,
3048 hook_start
.id
), hook_start
.h
, NULL
, LTTV_PRIO_STATE
);
3049 lttv_hooks_add(lttv_hooks_by_id_find(tfs
->parent
.event_by_id
,
3050 hook_end
.id
), hook_end
.h
, NULL
, LTTV_PRIO_STATE
);
3056 void lttv_state_save_add_event_hooks(LttvTracesetState
*self
)
3058 LttvTraceset
*traceset
= self
->parent
.ts
;
3060 guint i
, j
, nb_trace
, nb_tracefile
;
3064 LttvTracefileState
*tfs
;
3067 nb_trace
= lttv_traceset_number(traceset
);
3068 for(i
= 0 ; i
< nb_trace
; i
++) {
3070 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
3071 nb_tracefile
= ts
->parent
.tracefiles
->len
;
3073 if(ts
->has_precomputed_states
) continue;
3075 guint
*event_count
= g_new(guint
, 1);
3078 for(j
= 0 ; j
< nb_tracefile
; j
++) {
3080 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
3081 LttvTracefileContext
*, j
));
3082 lttv_hooks_add(tfs
->parent
.event
,
3083 state_save_event_hook
,
3090 lttv_process_traceset_begin(&self
->parent
,
3091 NULL
, NULL
, NULL
, NULL
, NULL
);
3095 gint
lttv_state_save_hook_add_event_hooks(void *hook_data
, void *call_data
)
3097 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
3099 lttv_state_save_add_event_hooks(tss
);
3106 void lttv_state_save_remove_event_hooks(LttvTracesetState
*self
)
3108 LttvTraceset
*traceset
= self
->parent
.ts
;
3110 guint i
, j
, nb_trace
, nb_tracefile
;
3114 LttvTracefileState
*tfs
;
3116 LttvTraceHook hook_start
, hook_end
;
3118 nb_trace
= lttv_traceset_number(traceset
);
3119 for(i
= 0 ; i
< nb_trace
; i
++) {
3120 ts
= LTTV_TRACE_STATE(self
->parent
.traces
[i
]);
3122 lttv_trace_find_hook(ts
->parent
.t
, "core","block_start",NULL
,
3123 NULL
, NULL
, block_start
, &hook_start
);
3125 lttv_trace_find_hook(ts
->parent
.t
, "core","block_end",NULL
,
3126 NULL
, NULL
, block_end
, &hook_end
);
3128 nb_tracefile
= ts
->parent
.tracefiles
->len
;
3130 for(j
= 0 ; j
< nb_tracefile
; j
++) {
3132 LTTV_TRACEFILE_STATE(&g_array_index(ts
->parent
.tracefiles
,
3133 LttvTracefileContext
, j
));
3134 lttv_hooks_remove_data(lttv_hooks_by_id_find(
3135 tfs
->parent
.event_by_id
, hook_start
.id
), hook_start
.h
, NULL
);
3136 lttv_hooks_remove_data(lttv_hooks_by_id_find(
3137 tfs
->parent
.event_by_id
, hook_end
.id
), hook_end
.h
, NULL
);
3143 void lttv_state_save_remove_event_hooks(LttvTracesetState
*self
)
3145 LttvTraceset
*traceset
= self
->parent
.ts
;
3147 guint i
, j
, nb_trace
, nb_tracefile
;
3151 LttvTracefileState
*tfs
;
3153 LttvHooks
*after_trace
= lttv_hooks_new();
3155 lttv_hooks_add(after_trace
,
3156 state_save_after_trace_hook
,
3161 lttv_process_traceset_end(&self
->parent
,
3162 NULL
, after_trace
, NULL
, NULL
, NULL
);
3164 lttv_hooks_destroy(after_trace
);
3166 nb_trace
= lttv_traceset_number(traceset
);
3167 for(i
= 0 ; i
< nb_trace
; i
++) {
3169 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
3170 nb_tracefile
= ts
->parent
.tracefiles
->len
;
3172 if(ts
->has_precomputed_states
) continue;
3174 guint
*event_count
= NULL
;
3176 for(j
= 0 ; j
< nb_tracefile
; j
++) {
3178 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
3179 LttvTracefileContext
*, j
));
3180 event_count
= lttv_hooks_remove(tfs
->parent
.event
,
3181 state_save_event_hook
);
3183 if(event_count
) g_free(event_count
);
3187 gint
lttv_state_save_hook_remove_event_hooks(void *hook_data
, void *call_data
)
3189 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
3191 lttv_state_save_remove_event_hooks(tss
);
3196 void lttv_state_traceset_seek_time_closest(LttvTracesetState
*self
, LttTime t
)
3198 LttvTraceset
*traceset
= self
->parent
.ts
;
3202 int min_pos
, mid_pos
, max_pos
;
3204 guint call_rest
= 0;
3206 LttvTraceState
*tcs
;
3208 LttvAttributeValue value
;
3210 LttvAttributeType type
;
3212 LttvAttributeName name
;
3216 LttvAttribute
*saved_states_tree
, *saved_state_tree
, *closest_tree
;
3218 //g_tree_destroy(self->parent.pqueue);
3219 //self->parent.pqueue = g_tree_new(compare_tracefile);
3221 g_info("Entering seek_time_closest for time %lu.%lu", t
.tv_sec
, t
.tv_nsec
);
3223 nb_trace
= lttv_traceset_number(traceset
);
3224 for(i
= 0 ; i
< nb_trace
; i
++) {
3225 tcs
= (LttvTraceState
*)self
->parent
.traces
[i
];
3227 if(ltt_time_compare(t
, *(tcs
->max_time_state_recomputed_in_seek
)) < 0) {
3228 saved_states_tree
= lttv_attribute_find_subdir(tcs
->parent
.t_a
,
3229 LTTV_STATE_SAVED_STATES
);
3232 if(saved_states_tree
) {
3233 max_pos
= lttv_attribute_get_number(saved_states_tree
) - 1;
3234 mid_pos
= max_pos
/ 2;
3235 while(min_pos
< max_pos
) {
3236 type
= lttv_attribute_get(saved_states_tree
, mid_pos
, &name
, &value
,
3238 g_assert(type
== LTTV_GOBJECT
);
3239 saved_state_tree
= *((LttvAttribute
**)(value
.v_gobject
));
3240 type
= lttv_attribute_get_by_name(saved_state_tree
, LTTV_STATE_TIME
,
3242 g_assert(type
== LTTV_TIME
);
3243 if(ltt_time_compare(*(value
.v_time
), t
) < 0) {
3245 closest_tree
= saved_state_tree
;
3247 else max_pos
= mid_pos
- 1;
3249 mid_pos
= (min_pos
+ max_pos
+ 1) / 2;
3253 /* restore the closest earlier saved state */
3255 lttv_state_restore(tcs
, closest_tree
);
3259 /* There is no saved state, yet we want to have it. Restart at T0 */
3261 restore_init_state(tcs
);
3262 lttv_process_trace_seek_time(&(tcs
->parent
), ltt_time_zero
);
3265 /* We want to seek quickly without restoring/updating the state */
3267 restore_init_state(tcs
);
3268 lttv_process_trace_seek_time(&(tcs
->parent
), t
);
3271 if(!call_rest
) g_info("NOT Calling restore");
3276 traceset_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
3282 traceset_state_finalize (LttvTracesetState
*self
)
3284 G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE
))->
3285 finalize(G_OBJECT(self
));
3290 traceset_state_class_init (LttvTracesetContextClass
*klass
)
3292 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
3294 gobject_class
->finalize
= (void (*)(GObject
*self
)) traceset_state_finalize
;
3295 klass
->init
= (void (*)(LttvTracesetContext
*self
, LttvTraceset
*ts
))init
;
3296 klass
->fini
= (void (*)(LttvTracesetContext
*self
))fini
;
3297 klass
->new_traceset_context
= new_traceset_context
;
3298 klass
->new_trace_context
= new_trace_context
;
3299 klass
->new_tracefile_context
= new_tracefile_context
;
3304 lttv_traceset_state_get_type(void)
3306 static GType type
= 0;
3308 static const GTypeInfo info
= {
3309 sizeof (LttvTracesetStateClass
),
3310 NULL
, /* base_init */
3311 NULL
, /* base_finalize */
3312 (GClassInitFunc
) traceset_state_class_init
, /* class_init */
3313 NULL
, /* class_finalize */
3314 NULL
, /* class_data */
3315 sizeof (LttvTracesetState
),
3316 0, /* n_preallocs */
3317 (GInstanceInitFunc
) traceset_state_instance_init
, /* instance_init */
3318 NULL
/* value handling */
3321 type
= g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE
, "LttvTracesetStateType",
3329 trace_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
3335 trace_state_finalize (LttvTraceState
*self
)
3337 G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE
))->
3338 finalize(G_OBJECT(self
));
3343 trace_state_class_init (LttvTraceStateClass
*klass
)
3345 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
3347 gobject_class
->finalize
= (void (*)(GObject
*self
)) trace_state_finalize
;
3348 klass
->state_save
= state_save
;
3349 klass
->state_restore
= state_restore
;
3350 klass
->state_saved_free
= state_saved_free
;
3355 lttv_trace_state_get_type(void)
3357 static GType type
= 0;
3359 static const GTypeInfo info
= {
3360 sizeof (LttvTraceStateClass
),
3361 NULL
, /* base_init */
3362 NULL
, /* base_finalize */
3363 (GClassInitFunc
) trace_state_class_init
, /* class_init */
3364 NULL
, /* class_finalize */
3365 NULL
, /* class_data */
3366 sizeof (LttvTraceState
),
3367 0, /* n_preallocs */
3368 (GInstanceInitFunc
) trace_state_instance_init
, /* instance_init */
3369 NULL
/* value handling */
3372 type
= g_type_register_static (LTTV_TRACE_CONTEXT_TYPE
,
3373 "LttvTraceStateType", &info
, 0);
3380 tracefile_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
3386 tracefile_state_finalize (LttvTracefileState
*self
)
3388 G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE
))->
3389 finalize(G_OBJECT(self
));
3394 tracefile_state_class_init (LttvTracefileStateClass
*klass
)
3396 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
3398 gobject_class
->finalize
= (void (*)(GObject
*self
)) tracefile_state_finalize
;
3403 lttv_tracefile_state_get_type(void)
3405 static GType type
= 0;
3407 static const GTypeInfo info
= {
3408 sizeof (LttvTracefileStateClass
),
3409 NULL
, /* base_init */
3410 NULL
, /* base_finalize */
3411 (GClassInitFunc
) tracefile_state_class_init
, /* class_init */
3412 NULL
, /* class_finalize */
3413 NULL
, /* class_data */
3414 sizeof (LttvTracefileState
),
3415 0, /* n_preallocs */
3416 (GInstanceInitFunc
) tracefile_state_instance_init
, /* instance_init */
3417 NULL
/* value handling */
3420 type
= g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE
,
3421 "LttvTracefileStateType", &info
, 0);
3427 static void module_init()
3429 LTTV_STATE_UNNAMED
= g_quark_from_string("UNNAMED");
3430 LTTV_STATE_UNBRANDED
= g_quark_from_string("UNBRANDED");
3431 LTTV_STATE_MODE_UNKNOWN
= g_quark_from_string("MODE_UNKNOWN");
3432 LTTV_STATE_USER_MODE
= g_quark_from_string("USER_MODE");
3433 LTTV_STATE_SYSCALL
= g_quark_from_string("SYSCALL");
3434 LTTV_STATE_TRAP
= g_quark_from_string("TRAP");
3435 LTTV_STATE_IRQ
= g_quark_from_string("IRQ");
3436 LTTV_STATE_SOFT_IRQ
= g_quark_from_string("SOFTIRQ");
3437 LTTV_STATE_SUBMODE_UNKNOWN
= g_quark_from_string("UNKNOWN");
3438 LTTV_STATE_SUBMODE_NONE
= g_quark_from_string("NONE");
3439 LTTV_STATE_WAIT_FORK
= g_quark_from_string("WAIT_FORK");
3440 LTTV_STATE_WAIT_CPU
= g_quark_from_string("WAIT_CPU");
3441 LTTV_STATE_EXIT
= g_quark_from_string("EXIT");
3442 LTTV_STATE_ZOMBIE
= g_quark_from_string("ZOMBIE");
3443 LTTV_STATE_WAIT
= g_quark_from_string("WAIT");
3444 LTTV_STATE_RUN
= g_quark_from_string("RUN");
3445 LTTV_STATE_DEAD
= g_quark_from_string("DEAD");
3446 LTTV_STATE_USER_THREAD
= g_quark_from_string("USER_THREAD");
3447 LTTV_STATE_KERNEL_THREAD
= g_quark_from_string("KERNEL_THREAD");
3448 LTTV_STATE_TRACEFILES
= g_quark_from_string("tracefiles");
3449 LTTV_STATE_PROCESSES
= g_quark_from_string("processes");
3450 LTTV_STATE_PROCESS
= g_quark_from_string("process");
3451 LTTV_STATE_RUNNING_PROCESS
= g_quark_from_string("running_process");
3452 LTTV_STATE_EVENT
= g_quark_from_string("event");
3453 LTTV_STATE_SAVED_STATES
= g_quark_from_string("saved states");
3454 LTTV_STATE_SAVED_STATES_TIME
= g_quark_from_string("saved states time");
3455 LTTV_STATE_TIME
= g_quark_from_string("time");
3456 LTTV_STATE_HOOKS
= g_quark_from_string("saved state hooks");
3457 LTTV_STATE_NAME_TABLES
= g_quark_from_string("name tables");
3458 LTTV_STATE_TRACE_STATE_USE_COUNT
=
3459 g_quark_from_string("trace_state_use_count");
3462 LTT_FACILITY_KERNEL
= g_quark_from_string("kernel");
3463 LTT_FACILITY_KERNEL_ARCH
= g_quark_from_string("kernel_arch");
3464 LTT_FACILITY_PROCESS
= g_quark_from_string("process");
3465 LTT_FACILITY_FS
= g_quark_from_string("fs");
3466 LTT_FACILITY_STATEDUMP
= g_quark_from_string("statedump");
3467 LTT_FACILITY_USER_GENERIC
= g_quark_from_string("user_generic");
3470 LTT_EVENT_SYSCALL_ENTRY
= g_quark_from_string("syscall_entry");
3471 LTT_EVENT_SYSCALL_EXIT
= g_quark_from_string("syscall_exit");
3472 LTT_EVENT_TRAP_ENTRY
= g_quark_from_string("trap_entry");
3473 LTT_EVENT_TRAP_EXIT
= g_quark_from_string("trap_exit");
3474 LTT_EVENT_IRQ_ENTRY
= g_quark_from_string("irq_entry");
3475 LTT_EVENT_IRQ_EXIT
= g_quark_from_string("irq_exit");
3476 LTT_EVENT_SOFT_IRQ_ENTRY
= g_quark_from_string("soft_irq_entry");
3477 LTT_EVENT_SOFT_IRQ_EXIT
= g_quark_from_string("soft_irq_exit");
3478 LTT_EVENT_SCHEDCHANGE
= g_quark_from_string("schedchange");
3479 LTT_EVENT_FORK
= g_quark_from_string("fork");
3480 LTT_EVENT_KERNEL_THREAD
= g_quark_from_string("kernel_thread");
3481 LTT_EVENT_EXIT
= g_quark_from_string("exit");
3482 LTT_EVENT_FREE
= g_quark_from_string("free");
3483 LTT_EVENT_EXEC
= g_quark_from_string("exec");
3484 LTT_EVENT_ENUM_PROCESS_STATE
= g_quark_from_string("enumerate_process_state");
3485 LTT_EVENT_STATEDUMP_END
= g_quark_from_string("statedump_end");
3486 LTT_EVENT_FUNCTION_ENTRY
= g_quark_from_string("function_entry");
3487 LTT_EVENT_FUNCTION_EXIT
= g_quark_from_string("function_exit");
3488 LTT_EVENT_THREAD_BRAND
= g_quark_from_string("thread_brand");
3491 LTT_FIELD_SYSCALL_ID
= g_quark_from_string("syscall_id");
3492 LTT_FIELD_TRAP_ID
= g_quark_from_string("trap_id");
3493 LTT_FIELD_IRQ_ID
= g_quark_from_string("irq_id");
3494 LTT_FIELD_SOFT_IRQ_ID
= g_quark_from_string("softirq_id");
3495 LTT_FIELD_OUT
= g_quark_from_string("out");
3496 LTT_FIELD_IN
= g_quark_from_string("in");
3497 LTT_FIELD_OUT_STATE
= g_quark_from_string("out_state");
3498 LTT_FIELD_PARENT_PID
= g_quark_from_string("parent_pid");
3499 LTT_FIELD_CHILD_PID
= g_quark_from_string("child_pid");
3500 LTT_FIELD_PID
= g_quark_from_string("pid");
3501 LTT_FIELD_TGID
= g_quark_from_string("tgid");
3502 LTT_FIELD_FILENAME
= g_quark_from_string("filename");
3503 LTT_FIELD_NAME
= g_quark_from_string("name");
3504 LTT_FIELD_TYPE
= g_quark_from_string("type");
3505 LTT_FIELD_MODE
= g_quark_from_string("mode");
3506 LTT_FIELD_SUBMODE
= g_quark_from_string("submode");
3507 LTT_FIELD_STATUS
= g_quark_from_string("status");
3508 LTT_FIELD_THIS_FN
= g_quark_from_string("this_fn");
3509 LTT_FIELD_CALL_SITE
= g_quark_from_string("call_site");
3513 static void module_destroy()
3518 LTTV_MODULE("state", "State computation", \
3519 "Update the system state, possibly saving it at intervals", \
3520 module_init
, module_destroy
)