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>
32 #define PREALLOCATED_EXECUTION_STACK 10
34 /* Facilities Quarks */
44 LTT_EVENT_SYSCALL_ENTRY
,
45 LTT_EVENT_SYSCALL_EXIT
,
50 LTT_EVENT_SCHEDCHANGE
,
71 LTTV_STATE_MODE_UNKNOWN
,
78 LTTV_STATE_SUBMODE_UNKNOWN
,
79 LTTV_STATE_SUBMODE_NONE
;
91 LTTV_STATE_TRACEFILES
,
94 LTTV_STATE_RUNNING_PROCESS
,
96 LTTV_STATE_SAVED_STATES
,
97 LTTV_STATE_SAVED_STATES_TIME
,
100 LTTV_STATE_NAME_TABLES
,
101 LTTV_STATE_TRACE_STATE_USE_COUNT
;
103 static void create_max_time(LttvTraceState
*tcs
);
105 static void get_max_time(LttvTraceState
*tcs
);
107 static void free_max_time(LttvTraceState
*tcs
);
109 static void create_name_tables(LttvTraceState
*tcs
);
111 static void get_name_tables(LttvTraceState
*tcs
);
113 static void free_name_tables(LttvTraceState
*tcs
);
115 static void free_saved_state(LttvTraceState
*tcs
);
117 static void lttv_state_free_process_table(GHashTable
*processes
);
120 void lttv_state_save(LttvTraceState
*self
, LttvAttribute
*container
)
122 LTTV_TRACE_STATE_GET_CLASS(self
)->state_save(self
, container
);
126 void lttv_state_restore(LttvTraceState
*self
, LttvAttribute
*container
)
128 LTTV_TRACE_STATE_GET_CLASS(self
)->state_restore(self
, container
);
132 void lttv_state_state_saved_free(LttvTraceState
*self
,
133 LttvAttribute
*container
)
135 LTTV_TRACE_STATE_GET_CLASS(self
)->state_saved_free(self
, container
);
139 guint
process_hash(gconstpointer key
)
141 guint pid
= ((const LttvProcessState
*)key
)->pid
;
142 return (pid
>>8 ^ pid
>>4 ^ pid
>>2 ^ pid
) ;
146 /* If the hash table hash function is well distributed,
147 * the process_equal should compare different pid */
148 gboolean
process_equal(gconstpointer a
, gconstpointer b
)
150 const LttvProcessState
*process_a
, *process_b
;
153 process_a
= (const LttvProcessState
*)a
;
154 process_b
= (const LttvProcessState
*)b
;
156 if(likely(process_a
->pid
!= process_b
->pid
)) ret
= FALSE
;
157 else if(likely(process_a
->pid
== 0 &&
158 process_a
->cpu
!= process_b
->cpu
)) ret
= FALSE
;
165 restore_init_state(LttvTraceState
*self
)
169 LttvTracefileState
*tfcs
;
171 /* Free the process tables */
172 if(self
->processes
!= NULL
) lttv_state_free_process_table(self
->processes
);
173 self
->processes
= g_hash_table_new(process_hash
, process_equal
);
176 /* Seek time to beginning */
177 // Mathieu : fix : don't seek traceset here : causes inconsistency in seek
178 // closest. It's the tracecontext job to seek the trace to the beginning
179 // anyway : the init state might be used at the middle of the trace as well...
180 //g_tree_destroy(self->parent.ts_context->pqueue);
181 //self->parent.ts_context->pqueue = g_tree_new(compare_tracefile);
184 //lttv_process_trace_seek_time(&self->parent, ltt_time_zero);
186 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
188 /* Put the per cpu running_process to beginning state : process 0. */
189 for(i
=0; i
< nb_cpus
; i
++) {
190 self
->running_process
[i
] = lttv_state_create_process(self
, NULL
, i
, 0,
192 self
->running_process
[i
]->state
->s
= LTTV_STATE_RUN
;
193 self
->running_process
[i
]->cpu
= i
;
197 nb_tracefile
= self
->parent
.tracefiles
->len
;
199 for(i
= 0 ; i
< nb_tracefile
; i
++) {
201 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
202 LttvTracefileContext
*, i
));
203 ltt_trace_time_span_get(self
->parent
.t
, &tfcs
->parent
.timestamp
, NULL
);
204 // tfcs->saved_position = 0;
205 tfcs
->process
= lttv_state_create_process(tfcs
, NULL
,0);
206 tfcs
->process
->state
->s
= LTTV_STATE_RUN
;
207 tfcs
->process
->last_cpu
= tfcs
->cpu_name
;
208 tfcs
->process
->last_cpu_index
= ltt_tracefile_num(((LttvTracefileContext
*)tfcs
)->tf
);
213 //static LttTime time_zero = {0,0};
216 init(LttvTracesetState
*self
, LttvTraceset
*ts
)
218 guint i
, j
, nb_trace
, nb_tracefile
;
220 LttvTraceContext
*tc
;
224 LttvTracefileState
*tfcs
;
226 LttvAttributeValue v
;
228 LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE
))->
229 init((LttvTracesetContext
*)self
, ts
);
231 nb_trace
= lttv_traceset_number(ts
);
232 for(i
= 0 ; i
< nb_trace
; i
++) {
233 tc
= self
->parent
.traces
[i
];
234 tcs
= LTTV_TRACE_STATE(tc
);
235 tcs
->save_interval
= LTTV_STATE_SAVE_INTERVAL
;
236 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_TRACE_STATE_USE_COUNT
,
240 if(*(v
.v_uint
) == 1) {
241 create_name_tables(tcs
);
242 create_max_time(tcs
);
244 get_name_tables(tcs
);
247 nb_tracefile
= tc
->tracefiles
->len
;
249 for(j
= 0 ; j
< nb_tracefile
; j
++) {
251 LTTV_TRACEFILE_STATE(g_array_index(tc
->tracefiles
,
252 LttvTracefileContext
*, j
));
253 tfcs
->tracefile_name
= ltt_tracefile_name(tfcs
->parent
.tf
);
256 tcs
->processes
= NULL
;
257 tcs
->running_process
= g_new(LttvProcessState
*,
258 ltt_trace_get_num_cpu(tc
->t
));
259 restore_init_state(tcs
);
265 fini(LttvTracesetState
*self
)
271 LttvTracefileState
*tfcs
;
273 LttvAttributeValue v
;
275 nb_trace
= lttv_traceset_number(LTTV_TRACESET_CONTEXT(self
)->ts
);
276 for(i
= 0 ; i
< nb_trace
; i
++) {
277 tcs
= (LttvTraceState
*)(LTTV_TRACESET_CONTEXT(self
)->traces
[i
]);
278 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_TRACE_STATE_USE_COUNT
,
281 g_assert(*(v
.v_uint
) != 0);
284 if(*(v
.v_uint
) == 0) {
285 free_name_tables(tcs
);
287 free_saved_state(tcs
);
289 g_free(tcs
->running_process
);
290 tcs
->running_process
= NULL
;
291 lttv_state_free_process_table(tcs
->processes
);
292 tcs
->processes
= NULL
;
294 LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE
))->
295 fini((LttvTracesetContext
*)self
);
299 static LttvTracesetContext
*
300 new_traceset_context(LttvTracesetContext
*self
)
302 return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE
, NULL
));
306 static LttvTraceContext
*
307 new_trace_context(LttvTracesetContext
*self
)
309 return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE
, NULL
));
313 static LttvTracefileContext
*
314 new_tracefile_context(LttvTracesetContext
*self
)
316 return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE
, NULL
));
320 /* Write the process state of the trace */
322 static void write_process_state(gpointer key
, gpointer value
,
325 LttvProcessState
*process
;
327 LttvExecutionState
*es
;
329 FILE *fp
= (FILE *)user_data
;
333 process
= (LttvProcessState
*)value
;
335 " <PROCESS CORE=%p PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%u\">\n",
336 process
, process
->pid
, process
->ppid
, process
->creation_time
.tv_sec
,
337 process
->creation_time
.tv_nsec
, g_quark_to_string(process
->name
),
340 for(i
= 0 ; i
< process
->execution_stack
->len
; i
++) {
341 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
, i
);
342 fprintf(fp
, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu",
343 g_quark_to_string(es
->t
), g_quark_to_string(es
->n
),
344 es
->entry
.tv_sec
, es
->entry
.tv_nsec
);
345 fprintf(fp
, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n",
346 es
->change
.tv_sec
, es
->change
.tv_nsec
, g_quark_to_string(es
->s
));
348 fprintf(fp
, " </PROCESS>\n");
352 void lttv_state_write(LttvTraceState
*self
, LttTime t
, FILE *fp
)
354 guint i
, nb_tracefile
, nb_block
, offset
;
357 LttvTracefileState
*tfcs
;
361 LttEventPosition
*ep
;
365 ep
= ltt_event_position_new();
367 fprintf(fp
,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t
.tv_sec
, t
.tv_nsec
);
369 g_hash_table_foreach(self
->processes
, write_process_state
, fp
);
371 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
372 for(i
=0;i
<nb_cpus
;i
++) {
373 fprintf(fp
,"<CPU NUM=%u RUNNING_PROCESS=%u>\n",
374 i
, self
->running_process
[i
]->pid
);
377 nb_tracefile
= self
->parent
.tracefiles
->len
;
379 for(i
= 0 ; i
< nb_tracefile
; i
++) {
381 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
382 LttvTracefileContext
*, i
));
383 fprintf(fp
, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu",
384 tfcs
->parent
.timestamp
.tv_sec
,
385 tfcs
->parent
.timestamp
.tv_nsec
);
386 LttEvent
*e
= ltt_tracefile_get_event(tfcs
->parent
.tf
);
387 if(e
== NULL
) fprintf(fp
,"/>\n");
389 ltt_event_position(e
, ep
);
390 ltt_event_position_get(ep
, &tf
, &nb_block
, &offset
, &tsc
);
391 fprintf(fp
, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block
, offset
,
396 fprintf(fp
,"</PROCESS_STATE>");
400 /* Copy each process from an existing hash table to a new one */
402 static void copy_process_state(gpointer key
, gpointer value
,gpointer user_data
)
404 LttvProcessState
*process
, *new_process
;
406 GHashTable
*new_processes
= (GHashTable
*)user_data
;
410 process
= (LttvProcessState
*)value
;
411 new_process
= g_new(LttvProcessState
, 1);
412 *new_process
= *process
;
413 new_process
->execution_stack
= g_array_sized_new(FALSE
, FALSE
,
414 sizeof(LttvExecutionState
), PREALLOCATED_EXECUTION_STACK
);
415 new_process
->execution_stack
=
416 g_array_set_size(new_process
->execution_stack
,
417 process
->execution_stack
->len
);
418 for(i
= 0 ; i
< process
->execution_stack
->len
; i
++) {
419 g_array_index(new_process
->execution_stack
, LttvExecutionState
, i
) =
420 g_array_index(process
->execution_stack
, LttvExecutionState
, i
);
422 new_process
->state
= &g_array_index(new_process
->execution_stack
,
423 LttvExecutionState
, new_process
->execution_stack
->len
- 1);
424 g_hash_table_insert(new_processes
, new_process
, new_process
);
428 static GHashTable
*lttv_state_copy_process_table(GHashTable
*processes
)
430 GHashTable
*new_processes
= g_hash_table_new(process_hash
, process_equal
);
432 g_hash_table_foreach(processes
, copy_process_state
, new_processes
);
433 return new_processes
;
437 /* The saved state for each trace contains a member "processes", which
438 stores a copy of the process table, and a member "tracefiles" with
439 one entry per tracefile. Each tracefile has a "process" member pointing
440 to the current process and a "position" member storing the tracefile
441 position (needed to seek to the current "next" event. */
443 static void state_save(LttvTraceState
*self
, LttvAttribute
*container
)
445 guint i
, nb_tracefile
, nb_cpus
;
447 LttvTracefileState
*tfcs
;
449 LttvAttribute
*tracefiles_tree
, *tracefile_tree
;
451 guint
*running_process
;
453 LttvAttributeType type
;
455 LttvAttributeValue value
;
457 LttvAttributeName name
;
459 LttEventPosition
*ep
;
461 tracefiles_tree
= lttv_attribute_find_subdir(container
,
462 LTTV_STATE_TRACEFILES
);
464 value
= lttv_attribute_add(container
, LTTV_STATE_PROCESSES
,
466 *(value
.v_pointer
) = lttv_state_copy_process_table(self
->processes
);
468 /* Add the currently running processes array */
469 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
470 running_process
= g_new(guint
, nb_cpus
);
471 for(i
=0;i
<nb_cpus
;i
++) {
472 running_process
[i
] = self
->running_process
[i
]->pid
;
474 value
= lttv_attribute_add(container
, LTTV_STATE_RUNNING_PROCESS
,
476 *(value
.v_pointer
) = running_process
;
478 g_info("State save");
480 nb_tracefile
= self
->parent
.tracefiles
->len
;
482 for(i
= 0 ; i
< nb_tracefile
; i
++) {
484 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
485 LttvTracefileContext
*, i
));
486 tracefile_tree
= g_object_new(LTTV_ATTRIBUTE_TYPE
, NULL
);
487 value
= lttv_attribute_add(tracefiles_tree
, i
,
489 *(value
.v_gobject
) = (GObject
*)tracefile_tree
;
491 value
= lttv_attribute_add(tracefile_tree
, LTTV_STATE_PROCESS
,
493 *(value
.v_uint
) = tfcs
->process
->pid
;
495 value
= lttv_attribute_add(tracefile_tree
, LTTV_STATE_EVENT
,
497 /* Only save the position if the tfs has not infinite time. */
498 //if(!g_tree_lookup(self->parent.ts_context->pqueue, &tfcs->parent)
499 // && current_tfcs != tfcs) {
500 if(ltt_time_compare(tfcs
->parent
.timestamp
, ltt_time_infinite
) == 0) {
501 *(value
.v_pointer
) = NULL
;
503 LttEvent
*e
= ltt_tracefile_get_event(tfcs
->parent
.tf
);
504 ep
= ltt_event_position_new();
505 ltt_event_position(e
, ep
);
506 *(value
.v_pointer
) = ep
;
508 guint nb_block
, offset
;
511 ltt_event_position_get(ep
, &tf
, &nb_block
, &offset
, &tsc
);
512 g_info("Block %u offset %u tsc %llu time %lu.%lu", nb_block
, offset
,
514 tfcs
->parent
.timestamp
.tv_sec
, tfcs
->parent
.timestamp
.tv_nsec
);
520 static void state_restore(LttvTraceState
*self
, LttvAttribute
*container
)
522 guint i
, nb_tracefile
, pid
, nb_cpus
;
524 LttvTracefileState
*tfcs
;
526 LttvAttribute
*tracefiles_tree
, *tracefile_tree
;
528 guint
*running_process
;
530 LttvAttributeType type
;
532 LttvAttributeValue value
;
534 LttvAttributeName name
;
536 LttEventPosition
*ep
;
538 LttvTracesetContext
*tsc
= self
->parent
.ts_context
;
540 tracefiles_tree
= lttv_attribute_find_subdir(container
,
541 LTTV_STATE_TRACEFILES
);
543 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_PROCESSES
,
545 g_assert(type
== LTTV_POINTER
);
546 lttv_state_free_process_table(self
->processes
);
547 self
->processes
= lttv_state_copy_process_table(*(value
.v_pointer
));
549 /* Add the currently running processes array */
550 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
551 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_RUNNING_PROCESS
,
553 g_assert(type
== LTTV_POINTER
);
554 running_process
= *(value
.v_pointer
);
555 for(i
=0;i
<nb_cpus
;i
++) {
556 pid
= running_process
[i
];
557 self
->running_process
[i
] = lttv_state_find_process(self
, i
, pid
);
558 g_assert(self
->running_process
[i
] != NULL
);
562 nb_tracefile
= self
->parent
.tracefiles
->len
;
564 g_tree_destroy(tsc
->pqueue
);
565 tsc
->pqueue
= g_tree_new(compare_tracefile
);
567 for(i
= 0 ; i
< nb_tracefile
; i
++) {
569 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
570 LttvTracefileContext
*, i
));
571 type
= lttv_attribute_get(tracefiles_tree
, i
, &name
, &value
);
572 g_assert(type
== LTTV_GOBJECT
);
573 tracefile_tree
= *((LttvAttribute
**)(value
.v_gobject
));
575 type
= lttv_attribute_get_by_name(tracefile_tree
, LTTV_STATE_PROCESS
,
577 g_assert(type
== LTTV_UINT
);
578 pid
= *(value
.v_uint
);
579 tfcs
->process
= lttv_state_find_process_or_create(tfcs
, pid
);
581 type
= lttv_attribute_get_by_name(tracefile_tree
, LTTV_STATE_EVENT
,
583 g_assert(type
== LTTV_POINTER
);
584 //g_assert(*(value.v_pointer) != NULL);
585 ep
= *(value
.v_pointer
);
586 g_assert(tfcs
->parent
.t_context
!= NULL
);
588 LttvTracefileContext
*tfc
= LTTV_TRACEFILE_CONTEXT(tfcs
);
591 g_assert(ltt_tracefile_seek_position(tfc
->tf
, ep
) == 0);
592 tfc
->timestamp
= ltt_event_time(ltt_tracefile_get_event(tfc
->tf
));
593 g_assert(ltt_time_compare(tfc
->timestamp
, ltt_time_infinite
) != 0);
594 g_tree_insert(tsc
->pqueue
, tfc
, tfc
);
595 g_info("Restoring state for a tf at time %lu.%lu", tfc
->timestamp
.tv_sec
, tfc
->timestamp
.tv_nsec
);
597 tfc
->timestamp
= ltt_time_infinite
;
603 static void state_saved_free(LttvTraceState
*self
, LttvAttribute
*container
)
605 guint i
, nb_tracefile
, nb_cpus
;
607 LttvTracefileState
*tfcs
;
609 LttvAttribute
*tracefiles_tree
, *tracefile_tree
;
611 guint
*running_process
;
613 LttvAttributeType type
;
615 LttvAttributeValue value
;
617 LttvAttributeName name
;
619 LttEventPosition
*ep
;
621 tracefiles_tree
= lttv_attribute_find_subdir(container
,
622 LTTV_STATE_TRACEFILES
);
623 g_object_ref(G_OBJECT(tracefiles_tree
));
624 lttv_attribute_remove_by_name(container
, LTTV_STATE_TRACEFILES
);
626 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_PROCESSES
,
628 g_assert(type
== LTTV_POINTER
);
629 lttv_state_free_process_table(*(value
.v_pointer
));
630 *(value
.v_pointer
) = NULL
;
631 lttv_attribute_remove_by_name(container
, LTTV_STATE_PROCESSES
);
633 /* Free running processes array */
634 nb_cpus
= ltt_trace_get_num_cpu(self
->parent
.t
);
635 type
= lttv_attribute_get_by_name(container
, LTTV_STATE_RUNNING_PROCESS
,
637 g_assert(type
== LTTV_POINTER
);
638 running_process
= *(value
.v_pointer
);
639 g_free(running_process
);
641 nb_tracefile
= self
->parent
.tracefiles
->len
;
643 for(i
= 0 ; i
< nb_tracefile
; i
++) {
645 LTTV_TRACEFILE_STATE(g_array_index(self
->parent
.tracefiles
,
646 LttvTracefileContext
*, i
));
647 type
= lttv_attribute_get(tracefiles_tree
, i
, &name
, &value
);
648 g_assert(type
== LTTV_GOBJECT
);
649 tracefile_tree
= *((LttvAttribute
**)(value
.v_gobject
));
651 type
= lttv_attribute_get_by_name(tracefile_tree
, LTTV_STATE_EVENT
,
653 g_assert(type
== LTTV_POINTER
);
654 if(*(value
.v_pointer
) != NULL
) g_free(*(value
.v_pointer
));
656 g_object_unref(G_OBJECT(tracefiles_tree
));
660 static void free_saved_state(LttvTraceState
*self
)
664 LttvAttributeType type
;
666 LttvAttributeValue value
;
668 LttvAttributeName name
;
670 LttvAttribute
*saved_states
;
672 saved_states
= lttv_attribute_find_subdir(self
->parent
.t_a
,
673 LTTV_STATE_SAVED_STATES
);
675 nb
= lttv_attribute_get_number(saved_states
);
676 for(i
= 0 ; i
< nb
; i
++) {
677 type
= lttv_attribute_get(saved_states
, i
, &name
, &value
);
678 g_assert(type
== LTTV_GOBJECT
);
679 state_saved_free(self
, *((LttvAttribute
**)value
.v_gobject
));
682 lttv_attribute_remove_by_name(self
->parent
.t_a
, LTTV_STATE_SAVED_STATES
);
687 create_max_time(LttvTraceState
*tcs
)
689 LttvAttributeValue v
;
691 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_SAVED_STATES_TIME
,
693 g_assert(*(v
.v_pointer
) == NULL
);
694 *(v
.v_pointer
) = g_new(LttTime
,1);
695 *((LttTime
*)*(v
.v_pointer
)) = ltt_time_zero
;
700 get_max_time(LttvTraceState
*tcs
)
702 LttvAttributeValue v
;
704 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_SAVED_STATES_TIME
,
706 g_assert(*(v
.v_pointer
) != NULL
);
707 tcs
->max_time_state_recomputed_in_seek
= (LttTime
*)*(v
.v_pointer
);
712 free_max_time(LttvTraceState
*tcs
)
714 LttvAttributeValue v
;
716 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_SAVED_STATES_TIME
,
718 g_free(*(v
.v_pointer
));
719 *(v
.v_pointer
) = NULL
;
723 typedef struct _LttvNameTables
{
724 // FIXME GQuark *eventtype_names;
725 GQuark
*syscall_names
;
732 create_name_tables(LttvTraceState
*tcs
)
736 GQuark f_name
, e_name
;
740 LttvTraceHookByFacility
*thf
;
746 GString
*fe_name
= g_string_new("");
748 LttvNameTables
*name_tables
= g_new(LttvNameTables
, 1);
750 LttvAttributeValue v
;
752 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_NAME_TABLES
,
754 g_assert(*(v
.v_pointer
) == NULL
);
755 *(v
.v_pointer
) = name_tables
;
756 #if 0 // Use iteration over the facilities_by_name and then list all event
757 // types of each facility
758 nb
= ltt_trace_eventtype_number(tcs
->parent
.t
);
759 name_tables
->eventtype_names
= g_new(GQuark
, nb
);
760 for(i
= 0 ; i
< nb
; i
++) {
761 et
= ltt_trace_eventtype_get(tcs
->parent
.t
, i
);
762 e_name
= ltt_eventtype_name(et
);
763 f_name
= ltt_facility_name(ltt_eventtype_facility(et
));
764 g_string_printf(fe_name
, "%s.%s", f_name
, e_name
);
765 name_tables
->eventtype_names
[i
] = g_quark_from_string(fe_name
->str
);
768 if(lttv_trace_find_hook(tcs
->parent
.t
,
769 LTT_FACILITY_KERNEL
, LTT_EVENT_SYSCALL_ENTRY
,
770 LTT_FIELD_SYSCALL_ID
, 0, 0,
774 thf
= lttv_trace_hook_get_first(&h
);
776 t
= ltt_field_type(thf
->f1
);
777 nb
= ltt_type_element_number(t
);
779 lttv_trace_hook_destroy(&h
);
781 /* CHECK syscalls should be an enum but currently are not!
782 name_tables->syscall_names = g_new(GQuark, nb);
784 for(i = 0 ; i < nb ; i++) {
785 name_tables->syscall_names[i] = g_quark_from_string(
786 ltt_enum_string_get(t, i));
790 name_tables
->syscall_names
= g_new(GQuark
, 256);
791 for(i
= 0 ; i
< 256 ; i
++) {
792 g_string_printf(fe_name
, "syscall %d", i
);
793 name_tables
->syscall_names
[i
] = g_quark_from_string(fe_name
->str
);
796 if(lttv_trace_find_hook(tcs
->parent
.t
, LTT_FACILITY_KERNEL
,
797 LTT_EVENT_TRAP_ENTRY
,
798 LTT_FIELD_TRAP_ID
, 0, 0,
802 thf
= lttv_trace_hook_get_first(&h
);
804 t
= ltt_field_type(thf
->f1
);
805 nb
= ltt_type_element_number(t
);
807 lttv_trace_hook_destroy(&h
);
810 name_tables->trap_names = g_new(GQuark, nb);
811 for(i = 0 ; i < nb ; i++) {
812 name_tables->trap_names[i] = g_quark_from_string(
813 ltt_enum_string_get(t, i));
817 name_tables
->trap_names
= g_new(GQuark
, 256);
818 for(i
= 0 ; i
< 256 ; i
++) {
819 g_string_printf(fe_name
, "trap %d", i
);
820 name_tables
->trap_names
[i
] = g_quark_from_string(fe_name
->str
);
823 if(lttv_trace_find_hook(tcs
->parent
.t
,
824 LTT_FACILITY_KERNEL
, LTT_EVENT_IRQ_ENTRY
,
825 LTT_FIELD_IRQ_ID
, 0, 0,
829 thf
= lttv_trace_hook_get_first(&h
);
831 t
= ltt_field_type(thf
->f1
);
832 nb
= ltt_type_element_number(t
);
834 lttv_trace_hook_destroy(&h
);
837 name_tables->irq_names = g_new(GQuark, nb);
838 for(i = 0 ; i < nb ; i++) {
839 name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i));
843 name_tables
->irq_names
= g_new(GQuark
, 256);
844 for(i
= 0 ; i
< 256 ; i
++) {
845 g_string_printf(fe_name
, "irq %d", i
);
846 name_tables
->irq_names
[i
] = g_quark_from_string(fe_name
->str
);
849 g_string_free(fe_name
, TRUE
);
854 get_name_tables(LttvTraceState
*tcs
)
856 LttvNameTables
*name_tables
;
858 LttvAttributeValue v
;
860 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_NAME_TABLES
,
862 g_assert(*(v
.v_pointer
) != NULL
);
863 name_tables
= (LttvNameTables
*)*(v
.v_pointer
);
864 //tcs->eventtype_names = name_tables->eventtype_names;
865 tcs
->syscall_names
= name_tables
->syscall_names
;
866 tcs
->trap_names
= name_tables
->trap_names
;
867 tcs
->irq_names
= name_tables
->irq_names
;
872 free_name_tables(LttvTraceState
*tcs
)
874 LttvNameTables
*name_tables
;
876 LttvAttributeValue v
;
878 lttv_attribute_find(tcs
->parent
.t_a
, LTTV_STATE_NAME_TABLES
,
880 name_tables
= (LttvNameTables
*)*(v
.v_pointer
);
881 *(v
.v_pointer
) = NULL
;
883 // g_free(name_tables->eventtype_names);
884 g_free(name_tables
->syscall_names
);
885 g_free(name_tables
->trap_names
);
886 g_free(name_tables
->irq_names
);
890 #ifdef HASH_TABLE_DEBUG
892 static void test_process(gpointer key
, gpointer value
, gpointer user_data
)
894 LttvProcessState
*process
= (LttvProcessState
*)value
;
896 /* Test for process corruption */
897 guint stack_len
= process
->execution_stack
->len
;
900 static void hash_table_check(GHashTable
*table
)
902 g_hash_table_foreach(table
, test_process
, NULL
);
909 static void push_state(LttvTracefileState
*tfs
, LttvExecutionMode t
,
912 LttvExecutionState
*es
;
914 guint cpu
= ltt_tracefile_num(tfs
->parent
.tf
);
915 LttvTraceState
*ts
= (LttvTraceState
*)tfs
->parent
.t_context
;
917 #ifdef HASH_TABLE_DEBUG
918 hash_table_check(ts
->processes
);
920 LttvProcessState
*process
= ts
->running_process
[cpu
];
922 guint depth
= process
->execution_stack
->len
;
924 process
->execution_stack
=
925 g_array_set_size(process
->execution_stack
, depth
+ 1);
928 &g_array_index(process
->execution_stack
, LttvExecutionState
, depth
- 1);
930 es
= &g_array_index(process
->execution_stack
, LttvExecutionState
, depth
);
933 es
->entry
= es
->change
= tfs
->parent
.timestamp
;
934 es
->s
= process
->state
->s
;
939 static void pop_state(LttvTracefileState
*tfs
, LttvExecutionMode t
)
941 guint cpu
= ltt_tracefile_num(tfs
->parent
.tf
);
942 LttvTraceState
*ts
= (LttvTraceState
*)tfs
->parent
.t_context
;
943 LttvProcessState
*process
= ts
->running_process
[cpu
];
945 guint depth
= process
->execution_stack
->len
;
947 if(process
->state
->t
!= t
){
948 g_info("Different execution mode type (%lu.%09lu): ignore it\n",
949 tfs
->parent
.timestamp
.tv_sec
, tfs
->parent
.timestamp
.tv_nsec
);
950 g_info("process state has %s when pop_int is %s\n",
951 g_quark_to_string(process
->state
->t
),
952 g_quark_to_string(t
));
953 g_info("{ %u, %u, %s, %s }\n",
956 g_quark_to_string(process
->name
),
957 g_quark_to_string(process
->state
->s
));
962 g_info("Trying to pop last state on stack (%lu.%09lu): ignore it\n",
963 tfs
->parent
.timestamp
.tv_sec
, tfs
->parent
.timestamp
.tv_nsec
);
967 process
->execution_stack
=
968 g_array_set_size(process
->execution_stack
, depth
- 1);
969 process
->state
= &g_array_index(process
->execution_stack
, LttvExecutionState
,
971 process
->state
->change
= tfs
->parent
.timestamp
;
976 lttv_state_create_process(LttvTraceState
*tcs
, LttvProcessState
*parent
,
977 guint cpu
, guint pid
, const LttTime
*timestamp
)
979 LttvProcessState
*process
= g_new(LttvProcessState
, 1);
981 LttvExecutionState
*es
;
983 LttvTraceContext
*tc
= (LttvTraceContext
*)tcs
;
989 //process->last_cpu = tfs->cpu_name;
990 //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf);
991 g_info("Process %u, core %p", process
->pid
, process
);
992 g_hash_table_insert(tcs
->processes
, process
, process
);
995 process
->ppid
= parent
->pid
;
996 process
->name
= parent
->name
;
997 process
->creation_time
= *timestamp
;
1000 /* No parent. This process exists but we are missing all information about
1001 its creation. The birth time is set to zero but we remember the time of
1006 process
->name
= LTTV_STATE_UNNAMED
;
1007 process
->creation_time
= ltt_time_zero
;
1010 process
->insertion_time
= *timestamp
;
1011 sprintf(buffer
,"%d-%lu.%lu",pid
, process
->creation_time
.tv_sec
,
1012 process
->creation_time
.tv_nsec
);
1013 process
->pid_time
= g_quark_from_string(buffer
);
1015 //process->last_cpu = tfs->cpu_name;
1016 //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf);
1017 process
->execution_stack
= g_array_sized_new(FALSE
, FALSE
,
1018 sizeof(LttvExecutionState
), PREALLOCATED_EXECUTION_STACK
);
1019 process
->execution_stack
= g_array_set_size(process
->execution_stack
, 1);
1020 es
= process
->state
= &g_array_index(process
->execution_stack
,
1021 LttvExecutionState
, 0);
1022 es
->t
= LTTV_STATE_USER_MODE
;
1023 es
->n
= LTTV_STATE_SUBMODE_NONE
;
1024 es
->entry
= *timestamp
;
1025 //g_assert(timestamp->tv_sec != 0);
1026 es
->change
= *timestamp
;
1027 es
->s
= LTTV_STATE_WAIT_FORK
;
1032 LttvProcessState
*lttv_state_find_process(LttvTraceState
*ts
, guint cpu
,
1035 LttvProcessState key
;
1036 LttvProcessState
*process
;
1040 process
= g_hash_table_lookup(ts
->processes
, &key
);
1045 lttv_state_find_process_or_create(LttvTraceState
*ts
, guint cpu
, guint pid
,
1048 LttvProcessState
*process
= lttv_state_find_process(ts
, cpu
, pid
);
1050 /* Put ltt_time_zero creation time for unexisting processes */
1051 if(unlikely(process
== NULL
)) process
= lttv_state_create_process(ts
,
1052 NULL
, cpu
, pid
, timestamp
);
1056 /* FIXME : this function should be called when we receive an event telling that
1057 * release_task has been called in the kernel. In happens generally when
1058 * the parent waits for its child terminaison, but may also happen in special
1059 * cases in the child's exit : when the parent ignores its children SIGCCHLD or
1060 * has the flag SA_NOCLDWAIT. It can also happen when the child is part
1061 * of a killed thread ground, but isn't the leader.
1063 static void exit_process(LttvTracefileState
*tfs
, LttvProcessState
*process
)
1065 LttvTraceState
*ts
= LTTV_TRACE_STATE(tfs
->parent
.t_context
);
1066 LttvProcessState key
;
1068 key
.pid
= process
->pid
;
1069 key
.cpu
= process
->cpu
;
1070 g_hash_table_remove(ts
->processes
, &key
);
1071 g_array_free(process
->execution_stack
, TRUE
);
1076 static void free_process_state(gpointer key
, gpointer value
,gpointer user_data
)
1078 g_array_free(((LttvProcessState
*)value
)->execution_stack
, TRUE
);
1083 static void lttv_state_free_process_table(GHashTable
*processes
)
1085 g_hash_table_foreach(processes
, free_process_state
, NULL
);
1086 g_hash_table_destroy(processes
);
1090 static gboolean
syscall_entry(void *hook_data
, void *call_data
)
1092 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1093 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1094 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1095 LttField
*f
= thf
->f1
;
1097 LttvExecutionSubmode submode
;
1099 submode
= ((LttvTraceState
*)(s
->parent
.t_context
))->syscall_names
[
1100 ltt_event_get_unsigned(e
, f
)];
1101 push_state(s
, LTTV_STATE_SYSCALL
, submode
);
1106 static gboolean
syscall_exit(void *hook_data
, void *call_data
)
1108 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1110 pop_state(s
, LTTV_STATE_SYSCALL
);
1115 static gboolean
trap_entry(void *hook_data
, void *call_data
)
1117 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1118 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1119 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1120 LttField
*f
= thf
->f1
;
1122 LttvExecutionSubmode submode
;
1124 submode
= ((LttvTraceState
*)(s
->parent
.t_context
))->trap_names
[
1125 ltt_event_get_unsigned(e
, f
)];
1126 push_state(s
, LTTV_STATE_TRAP
, submode
);
1131 static gboolean
trap_exit(void *hook_data
, void *call_data
)
1133 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1135 pop_state(s
, LTTV_STATE_TRAP
);
1140 static gboolean
irq_entry(void *hook_data
, void *call_data
)
1142 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1143 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1144 guint8 fac_id
= ltt_event_facility_id(e
);
1145 guint8 ev_id
= ltt_event_eventtype_id(e
);
1146 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1147 // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL);
1148 g_assert(thf
->f1
!= NULL
);
1149 // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data));
1150 LttField
*f
= thf
->f1
;
1152 LttvExecutionSubmode submode
;
1154 submode
= ((LttvTraceState
*)(s
->parent
.t_context
))->irq_names
[
1155 ltt_event_get_unsigned(e
, f
)];
1157 /* Do something with the info about being in user or system mode when int? */
1158 push_state(s
, LTTV_STATE_IRQ
, submode
);
1163 static gboolean
irq_exit(void *hook_data
, void *call_data
)
1165 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1167 pop_state(s
, LTTV_STATE_IRQ
);
1172 static gboolean
schedchange(void *hook_data
, void *call_data
)
1174 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1175 guint cpu
= ltt_tracefile_num(s
->parent
.tf
);
1176 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
1177 LttvProcessState
*process
= ts
->running_process
[cpu
];
1179 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1180 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1181 guint pid_in
, pid_out
;
1184 pid_out
= ltt_event_get_unsigned(e
, thf
->f1
);
1185 pid_in
= ltt_event_get_unsigned(e
, thf
->f2
);
1186 state_out
= ltt_event_get_int(e
, thf
->f3
);
1188 if(likely(process
!= NULL
)) {
1190 /* We could not know but it was not the idle process executing.
1191 This should only happen at the beginning, before the first schedule
1192 event, and when the initial information (current process for each CPU)
1193 is missing. It is not obvious how we could, after the fact, compensate
1194 the wrongly attributed statistics. */
1196 //This test only makes sense once the state is known and if there is no
1198 //if(unlikely(process->pid != pid_out)) {
1199 // g_assert(process->pid == 0);
1202 if(unlikely(process
->state
->s
== LTTV_STATE_EXIT
)) {
1203 process
->state
->s
= LTTV_STATE_ZOMBIE
;
1205 if(unlikely(state_out
== 0)) process
->state
->s
= LTTV_STATE_WAIT_CPU
;
1206 else process
->state
->s
= LTTV_STATE_WAIT
;
1207 } /* FIXME : we do not remove process here, because the kernel
1208 * still has them : they may be zombies. We need to know
1209 * exactly when release_task is executed on the PID to
1210 * know when the zombie is destroyed.
1213 // exit_process(s, process);
1215 process
->state
->change
= s
->parent
.timestamp
;
1217 process
= ts
->running_process
[cpu
] =
1218 lttv_state_find_process_or_create(
1219 (LttvTraceState
*)s
->parent
.t_context
,
1221 &s
->parent
.timestamp
);
1222 process
->state
->s
= LTTV_STATE_RUN
;
1224 // process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf);
1225 process
->state
->change
= s
->parent
.timestamp
;
1229 static gboolean
process_fork(void *hook_data
, void *call_data
)
1231 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1232 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1233 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1237 LttvProcessState
*zombie_process
;
1238 guint cpu
= ltt_tracefile_num(s
->parent
.tf
);
1239 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
1240 LttvProcessState
*process
= ts
->running_process
[cpu
];
1241 LttvProcessState
*child_process
;
1245 parent_pid
= ltt_event_get_unsigned(e
, f
);
1249 child_pid
= ltt_event_get_unsigned(e
, f
);
1251 /* Mathieu : it seems like the process might have been scheduled in before the
1252 * fork, and, in a rare case, might be the current process. This might happen
1253 * in a SMP case where we don't have enough precision on the clocks */
1255 zombie_process
= lttv_state_find_process(ts
, ANY_CPU
, child_pid
);
1257 if(unlikely(zombie_process
!= NULL
)) {
1258 /* Reutilisation of PID. Only now we are sure that the old PID
1259 * has been released. FIXME : should know when release_task happens instead.
1261 guint num_cpus
= ltt_trace_get_num_cpu(ts
->parent
.t
);
1263 for(i
=0; i
< num_cpus
; i
++) {
1264 g_assert(process
!= ts
->running_process
[i
]);
1267 exit_process(s
, zombie_process
);
1270 g_assert(process
->pid
!= child_pid
);
1271 // FIXME : Add this test in the "known state" section
1272 // g_assert(process->pid == parent_pid);
1273 child_process
= lttv_state_find_process(ts
, ANY_CPU
, child_pid
);
1274 if(child_process
== NULL
) {
1275 lttv_state_create_process(ts
, process
, cpu
,
1276 child_pid
, &s
->parent
.timestamp
);
1278 /* The process has already been created : due to time imprecision between
1279 * multiple CPUs : it has been scheduled in before creation.
1281 * Simply put a correct parent.
1283 child_process
->ppid
= process
->pid
;
1290 static gboolean
process_exit(void *hook_data
, void *call_data
)
1292 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1293 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1294 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1297 guint cpu
= ltt_tracefile_num(s
->parent
.tf
);
1298 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
1299 LttvProcessState
*process
= ts
->running_process
[cpu
];
1301 pid
= ltt_event_get_unsigned(e
, thf
->f1
);
1303 // FIXME : Add this test in the "known state" section
1304 // g_assert(process->pid == pid);
1306 if(likely(process
!= NULL
)) {
1307 process
->state
->s
= LTTV_STATE_EXIT
;
1312 static gboolean
process_free(void *hook_data
, void *call_data
)
1314 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1315 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
1316 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1317 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1319 LttvProcessState
*process
;
1321 /* PID of the process to release */
1322 release_pid
= ltt_event_get_unsigned(e
, thf
->f1
);
1324 g_assert(release_pid
!= 0);
1326 process
= lttv_state_find_process(ts
, ANY_CPU
, release_pid
);
1328 if(likely(process
!= NULL
)) {
1329 /* release_task is happening at kernel level : we can now safely release
1330 * the data structure of the process */
1331 guint num_cpus
= ltt_trace_get_num_cpu(ts
->parent
.t
);
1333 for(i
=0; i
< num_cpus
; i
++) {
1334 g_assert(process
!= ts
->running_process
[i
]);
1336 exit_process(s
, process
);
1343 static gboolean
process_exec(void *hook_data
, void *call_data
)
1345 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
1346 LttvTraceState
*ts
= (LttvTraceState
*)s
->parent
.t_context
;
1347 LttEvent
*e
= ltt_tracefile_get_event(s
->parent
.tf
);
1348 LttvTraceHookByFacility
*thf
= (LttvTraceHookByFacility
*)hook_data
;
1350 guint cpu
= ltt_tracefile_num(s
->parent
.tf
);
1351 LttvProcessState
*process
= ts
->running_process
[cpu
];
1353 /* PID of the process to release */
1354 name
= ltt_event_get_string(e
, thf
->f1
);
1356 process
->name
= g_quark_from_string(name
);
1364 gint
lttv_state_hook_add_event_hooks(void *hook_data
, void *call_data
)
1366 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
1368 lttv_state_add_event_hooks(tss
);
1373 void lttv_state_add_event_hooks(LttvTracesetState
*self
)
1375 LttvTraceset
*traceset
= self
->parent
.ts
;
1377 guint i
, j
, k
, l
, nb_trace
, nb_tracefile
;
1381 LttvTracefileState
*tfs
;
1385 LttvTraceHookByFacility
*thf
;
1387 LttvTraceHook
*hook
;
1389 LttvAttributeValue val
;
1393 nb_trace
= lttv_traceset_number(traceset
);
1394 for(i
= 0 ; i
< nb_trace
; i
++) {
1395 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
1397 /* Find the eventtype id for the following events and register the
1398 associated by id hooks. */
1400 hooks
= g_array_sized_new(FALSE
, FALSE
, sizeof(LttvTraceHook
), 11);
1401 hooks
= g_array_set_size(hooks
, 11);
1403 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1404 LTT_FACILITY_KERNEL
, LTT_EVENT_SYSCALL_ENTRY
,
1405 LTT_FIELD_SYSCALL_ID
, 0, 0,
1406 syscall_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 0));
1409 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1410 LTT_FACILITY_KERNEL
, LTT_EVENT_SYSCALL_EXIT
,
1412 syscall_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 1));
1415 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1416 LTT_FACILITY_KERNEL
, LTT_EVENT_TRAP_ENTRY
,
1417 LTT_FIELD_TRAP_ID
, 0, 0,
1418 trap_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 2));
1421 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1422 LTT_FACILITY_KERNEL
, LTT_EVENT_TRAP_EXIT
,
1424 trap_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 3));
1427 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1428 LTT_FACILITY_KERNEL
, LTT_EVENT_IRQ_ENTRY
,
1429 LTT_FIELD_IRQ_ID
, 0, 0,
1430 irq_entry
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 4));
1433 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1434 LTT_FACILITY_KERNEL
, LTT_EVENT_IRQ_EXIT
,
1436 irq_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 5));
1439 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1440 LTT_FACILITY_PROCESS
, LTT_EVENT_SCHEDCHANGE
,
1441 LTT_FIELD_OUT
, LTT_FIELD_IN
, LTT_FIELD_OUT_STATE
,
1442 schedchange
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 6));
1445 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1446 LTT_FACILITY_PROCESS
, LTT_EVENT_FORK
,
1447 LTT_FIELD_PARENT_PID
, LTT_FIELD_CHILD_PID
, 0,
1448 process_fork
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 7));
1451 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1452 LTT_FACILITY_PROCESS
, LTT_EVENT_EXIT
,
1453 LTT_FIELD_PID
, 0, 0,
1454 process_exit
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 8));
1457 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1458 LTT_FACILITY_PROCESS
, LTT_EVENT_FREE
,
1459 LTT_FIELD_PID
, 0, 0,
1460 process_free
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 9));
1463 ret
= lttv_trace_find_hook(ts
->parent
.t
,
1464 LTT_FACILITY_FS
, LTT_EVENT_EXEC
,
1465 LTT_FIELD_FILENAME
, 0, 0,
1466 process_exec
, NULL
, &g_array_index(hooks
, LttvTraceHook
, 10));
1471 /* Add these hooks to each event_by_id hooks list */
1473 nb_tracefile
= ts
->parent
.tracefiles
->len
;
1475 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1477 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
1478 LttvTracefileContext
*, j
));
1480 for(k
= 0 ; k
< hooks
->len
; k
++) {
1481 hook
= &g_array_index(hooks
, LttvTraceHook
, k
);
1482 for(l
=0;l
<hook
->fac_list
->len
;l
++) {
1483 thf
= g_array_index(hook
->fac_list
, LttvTraceHookByFacility
*, l
);
1485 lttv_hooks_by_id_find(tfs
->parent
.event_by_id
, thf
->id
),
1492 lttv_attribute_find(self
->parent
.a
, LTTV_STATE_HOOKS
, LTTV_POINTER
, &val
);
1493 *(val
.v_pointer
) = hooks
;
1497 gint
lttv_state_hook_remove_event_hooks(void *hook_data
, void *call_data
)
1499 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
1501 lttv_state_remove_event_hooks(tss
);
1506 void lttv_state_remove_event_hooks(LttvTracesetState
*self
)
1508 LttvTraceset
*traceset
= self
->parent
.ts
;
1510 guint i
, j
, k
, l
, nb_trace
, nb_tracefile
;
1514 LttvTracefileState
*tfs
;
1518 LttvTraceHook
*hook
;
1520 LttvTraceHookByFacility
*thf
;
1522 LttvAttributeValue val
;
1524 nb_trace
= lttv_traceset_number(traceset
);
1525 for(i
= 0 ; i
< nb_trace
; i
++) {
1526 ts
= LTTV_TRACE_STATE(self
->parent
.traces
[i
]);
1527 lttv_attribute_find(self
->parent
.a
, LTTV_STATE_HOOKS
, LTTV_POINTER
, &val
);
1528 hooks
= *(val
.v_pointer
);
1530 /* Remove these hooks from each event_by_id hooks list */
1532 nb_tracefile
= ts
->parent
.tracefiles
->len
;
1534 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1536 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
1537 LttvTracefileContext
*, j
));
1539 for(k
= 0 ; k
< hooks
->len
; k
++) {
1540 hook
= &g_array_index(hooks
, LttvTraceHook
, k
);
1541 for(l
=0;l
<hook
->fac_list
->len
;l
++) {
1542 thf
= g_array_index(hook
->fac_list
, LttvTraceHookByFacility
*, l
);
1544 lttv_hooks_remove_data(
1545 lttv_hooks_by_id_find(tfs
->parent
.event_by_id
, thf
->id
),
1551 for(k
= 0 ; k
< hooks
->len
; k
++)
1552 lttv_trace_hook_destroy(&g_array_index(hooks
, LttvTraceHook
, k
));
1553 g_array_free(hooks
, TRUE
);
1557 static gboolean
state_save_event_hook(void *hook_data
, void *call_data
)
1559 guint
*event_count
= (guint
*)hook_data
;
1561 /* Only save at LTTV_STATE_SAVE_INTERVAL */
1562 if(likely((*event_count
)++ < LTTV_STATE_SAVE_INTERVAL
))
1567 LttvTracefileState
*self
= (LttvTracefileState
*)call_data
;
1569 LttvTracefileState
*tfcs
;
1571 LttvTraceState
*tcs
= (LttvTraceState
*)(self
->parent
.t_context
);
1573 LttEventPosition
*ep
;
1579 LttvAttribute
*saved_states_tree
, *saved_state_tree
;
1581 LttvAttributeValue value
;
1583 saved_states_tree
= lttv_attribute_find_subdir(tcs
->parent
.t_a
,
1584 LTTV_STATE_SAVED_STATES
);
1585 saved_state_tree
= g_object_new(LTTV_ATTRIBUTE_TYPE
, NULL
);
1586 value
= lttv_attribute_add(saved_states_tree
,
1587 lttv_attribute_get_number(saved_states_tree
), LTTV_GOBJECT
);
1588 *(value
.v_gobject
) = (GObject
*)saved_state_tree
;
1589 value
= lttv_attribute_add(saved_state_tree
, LTTV_STATE_TIME
, LTTV_TIME
);
1590 *(value
.v_time
) = self
->parent
.timestamp
;
1591 lttv_state_save(tcs
, saved_state_tree
);
1592 g_debug("Saving state at time %lu.%lu", self
->parent
.timestamp
.tv_sec
,
1593 self
->parent
.timestamp
.tv_nsec
);
1595 *(tcs
->max_time_state_recomputed_in_seek
) = self
->parent
.timestamp
;
1601 static gboolean
block_start(void *hook_data
, void *call_data
)
1603 LttvTracefileState
*self
= (LttvTracefileState
*)call_data
;
1605 LttvTracefileState
*tfcs
;
1607 LttvTraceState
*tcs
= (LttvTraceState
*)(self
->parent
.t_context
);
1609 LttEventPosition
*ep
;
1611 guint i
, nb_block
, nb_event
, nb_tracefile
;
1615 LttvAttribute
*saved_states_tree
, *saved_state_tree
;
1617 LttvAttributeValue value
;
1619 ep
= ltt_event_position_new();
1621 nb_tracefile
= tcs
->parent
.tracefiles
->len
;
1623 /* Count the number of events added since the last block end in any
1626 for(i
= 0 ; i
< nb_tracefile
; i
++) {
1628 LTTV_TRACEFILE_STATE(&g_array_index(tcs
->parent
.tracefiles
,
1629 LttvTracefileContext
, i
));
1630 ltt_event_position(tfcs
->parent
.e
, ep
);
1631 ltt_event_position_get(ep
, &nb_block
, &nb_event
, &tf
);
1632 tcs
->nb_event
+= nb_event
- tfcs
->saved_position
;
1633 tfcs
->saved_position
= nb_event
;
1637 if(tcs
->nb_event
>= tcs
->save_interval
) {
1638 saved_states_tree
= lttv_attribute_find_subdir(tcs
->parent
.t_a
,
1639 LTTV_STATE_SAVED_STATES
);
1640 saved_state_tree
= g_object_new(LTTV_ATTRIBUTE_TYPE
, NULL
);
1641 value
= lttv_attribute_add(saved_states_tree
,
1642 lttv_attribute_get_number(saved_states_tree
), LTTV_GOBJECT
);
1643 *(value
.v_gobject
) = (GObject
*)saved_state_tree
;
1644 value
= lttv_attribute_add(saved_state_tree
, LTTV_STATE_TIME
, LTTV_TIME
);
1645 *(value
.v_time
) = self
->parent
.timestamp
;
1646 lttv_state_save(tcs
, saved_state_tree
);
1648 g_debug("Saving state at time %lu.%lu", self
->parent
.timestamp
.tv_sec
,
1649 self
->parent
.timestamp
.tv_nsec
);
1651 *(tcs
->max_time_state_recomputed_in_seek
) = self
->parent
.timestamp
;
1657 static gboolean
block_end(void *hook_data
, void *call_data
)
1659 LttvTracefileState
*self
= (LttvTracefileState
*)call_data
;
1661 LttvTraceState
*tcs
= (LttvTraceState
*)(self
->parent
.t_context
);
1665 LttEventPosition
*ep
;
1667 guint nb_block
, nb_event
;
1669 ep
= ltt_event_position_new();
1670 ltt_event_position(self
->parent
.e
, ep
);
1671 ltt_event_position_get(ep
, &nb_block
, &nb_event
, &tf
);
1672 tcs
->nb_event
+= nb_event
- self
->saved_position
+ 1;
1673 self
->saved_position
= 0;
1674 *(tcs
->max_time_state_recomputed_in_seek
) = self
->parent
.timestamp
;
1681 void lttv_state_save_add_event_hooks(LttvTracesetState
*self
)
1683 LttvTraceset
*traceset
= self
->parent
.ts
;
1685 guint i
, j
, nb_trace
, nb_tracefile
;
1689 LttvTracefileState
*tfs
;
1691 LttvTraceHook hook_start
, hook_end
;
1693 nb_trace
= lttv_traceset_number(traceset
);
1694 for(i
= 0 ; i
< nb_trace
; i
++) {
1695 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
1697 lttv_trace_find_hook(ts
->parent
.t
, "core","block_start",NULL
,
1698 NULL
, NULL
, block_start
, &hook_start
);
1699 lttv_trace_find_hook(ts
->parent
.t
, "core","block_end",NULL
,
1700 NULL
, NULL
, block_end
, &hook_end
);
1702 nb_tracefile
= ts
->parent
.tracefiles
->len
;
1704 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1706 LTTV_TRACEFILE_STATE(&g_array_index(ts
->parent
.tracefiles
,
1707 LttvTracefileContext
, j
));
1708 lttv_hooks_add(lttv_hooks_by_id_find(tfs
->parent
.event_by_id
,
1709 hook_start
.id
), hook_start
.h
, NULL
, LTTV_PRIO_STATE
);
1710 lttv_hooks_add(lttv_hooks_by_id_find(tfs
->parent
.event_by_id
,
1711 hook_end
.id
), hook_end
.h
, NULL
, LTTV_PRIO_STATE
);
1717 void lttv_state_save_add_event_hooks(LttvTracesetState
*self
)
1719 LttvTraceset
*traceset
= self
->parent
.ts
;
1721 guint i
, j
, nb_trace
, nb_tracefile
;
1725 LttvTracefileState
*tfs
;
1728 nb_trace
= lttv_traceset_number(traceset
);
1729 for(i
= 0 ; i
< nb_trace
; i
++) {
1731 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
1732 nb_tracefile
= ts
->parent
.tracefiles
->len
;
1734 guint
*event_count
= g_new(guint
, 1);
1737 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1739 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
1740 LttvTracefileContext
*, j
));
1741 lttv_hooks_add(tfs
->parent
.event
,
1742 state_save_event_hook
,
1750 gint
lttv_state_save_hook_add_event_hooks(void *hook_data
, void *call_data
)
1752 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
1754 lttv_state_save_add_event_hooks(tss
);
1761 void lttv_state_save_remove_event_hooks(LttvTracesetState
*self
)
1763 LttvTraceset
*traceset
= self
->parent
.ts
;
1765 guint i
, j
, nb_trace
, nb_tracefile
;
1769 LttvTracefileState
*tfs
;
1771 LttvTraceHook hook_start
, hook_end
;
1773 nb_trace
= lttv_traceset_number(traceset
);
1774 for(i
= 0 ; i
< nb_trace
; i
++) {
1775 ts
= LTTV_TRACE_STATE(self
->parent
.traces
[i
]);
1777 lttv_trace_find_hook(ts
->parent
.t
, "core","block_start",NULL
,
1778 NULL
, NULL
, block_start
, &hook_start
);
1780 lttv_trace_find_hook(ts
->parent
.t
, "core","block_end",NULL
,
1781 NULL
, NULL
, block_end
, &hook_end
);
1783 nb_tracefile
= ts
->parent
.tracefiles
->len
;
1785 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1787 LTTV_TRACEFILE_STATE(&g_array_index(ts
->parent
.tracefiles
,
1788 LttvTracefileContext
, j
));
1789 lttv_hooks_remove_data(lttv_hooks_by_id_find(
1790 tfs
->parent
.event_by_id
, hook_start
.id
), hook_start
.h
, NULL
);
1791 lttv_hooks_remove_data(lttv_hooks_by_id_find(
1792 tfs
->parent
.event_by_id
, hook_end
.id
), hook_end
.h
, NULL
);
1798 void lttv_state_save_remove_event_hooks(LttvTracesetState
*self
)
1800 LttvTraceset
*traceset
= self
->parent
.ts
;
1802 guint i
, j
, nb_trace
, nb_tracefile
;
1806 LttvTracefileState
*tfs
;
1809 nb_trace
= lttv_traceset_number(traceset
);
1810 for(i
= 0 ; i
< nb_trace
; i
++) {
1812 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
1813 nb_tracefile
= ts
->parent
.tracefiles
->len
;
1817 for(j
= 0 ; j
< nb_tracefile
; j
++) {
1819 LTTV_TRACEFILE_STATE(g_array_index(ts
->parent
.tracefiles
,
1820 LttvTracefileContext
*, j
));
1821 event_count
= lttv_hooks_remove(tfs
->parent
.event
,
1822 state_save_event_hook
);
1825 g_free(event_count
);
1829 gint
lttv_state_save_hook_remove_event_hooks(void *hook_data
, void *call_data
)
1831 LttvTracesetState
*tss
= (LttvTracesetState
*)(call_data
);
1833 lttv_state_save_remove_event_hooks(tss
);
1838 void lttv_state_traceset_seek_time_closest(LttvTracesetState
*self
, LttTime t
)
1840 LttvTraceset
*traceset
= self
->parent
.ts
;
1844 int min_pos
, mid_pos
, max_pos
;
1846 guint call_rest
= 0;
1848 LttvTraceState
*tcs
;
1850 LttvAttributeValue value
;
1852 LttvAttributeType type
;
1854 LttvAttributeName name
;
1856 LttvAttribute
*saved_states_tree
, *saved_state_tree
, *closest_tree
;
1858 g_tree_destroy(self
->parent
.pqueue
);
1859 self
->parent
.pqueue
= g_tree_new(compare_tracefile
);
1861 g_info("Entering seek_time_closest for time %lu.%lu", t
.tv_sec
, t
.tv_nsec
);
1863 nb_trace
= lttv_traceset_number(traceset
);
1864 for(i
= 0 ; i
< nb_trace
; i
++) {
1865 tcs
= (LttvTraceState
*)self
->parent
.traces
[i
];
1867 if(ltt_time_compare(t
, *(tcs
->max_time_state_recomputed_in_seek
)) < 0) {
1868 saved_states_tree
= lttv_attribute_find_subdir(tcs
->parent
.t_a
,
1869 LTTV_STATE_SAVED_STATES
);
1872 if(saved_states_tree
) {
1873 max_pos
= lttv_attribute_get_number(saved_states_tree
) - 1;
1874 mid_pos
= max_pos
/ 2;
1875 while(min_pos
< max_pos
) {
1876 type
= lttv_attribute_get(saved_states_tree
, mid_pos
, &name
, &value
);
1877 g_assert(type
== LTTV_GOBJECT
);
1878 saved_state_tree
= *((LttvAttribute
**)(value
.v_gobject
));
1879 type
= lttv_attribute_get_by_name(saved_state_tree
, LTTV_STATE_TIME
,
1881 g_assert(type
== LTTV_TIME
);
1882 if(ltt_time_compare(*(value
.v_time
), t
) < 0) {
1884 closest_tree
= saved_state_tree
;
1886 else max_pos
= mid_pos
- 1;
1888 mid_pos
= (min_pos
+ max_pos
+ 1) / 2;
1892 /* restore the closest earlier saved state */
1894 lttv_state_restore(tcs
, closest_tree
);
1898 /* There is no saved state, yet we want to have it. Restart at T0 */
1900 restore_init_state(tcs
);
1901 lttv_process_trace_seek_time(&(tcs
->parent
), ltt_time_zero
);
1904 /* We want to seek quickly without restoring/updating the state */
1906 restore_init_state(tcs
);
1907 lttv_process_trace_seek_time(&(tcs
->parent
), t
);
1910 if(!call_rest
) g_info("NOT Calling restore");
1915 traceset_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
1921 traceset_state_finalize (LttvTracesetState
*self
)
1923 G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE
))->
1924 finalize(G_OBJECT(self
));
1929 traceset_state_class_init (LttvTracesetContextClass
*klass
)
1931 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
1933 gobject_class
->finalize
= (void (*)(GObject
*self
)) traceset_state_finalize
;
1934 klass
->init
= (void (*)(LttvTracesetContext
*self
, LttvTraceset
*ts
))init
;
1935 klass
->fini
= (void (*)(LttvTracesetContext
*self
))fini
;
1936 klass
->new_traceset_context
= new_traceset_context
;
1937 klass
->new_trace_context
= new_trace_context
;
1938 klass
->new_tracefile_context
= new_tracefile_context
;
1943 lttv_traceset_state_get_type(void)
1945 static GType type
= 0;
1947 static const GTypeInfo info
= {
1948 sizeof (LttvTracesetStateClass
),
1949 NULL
, /* base_init */
1950 NULL
, /* base_finalize */
1951 (GClassInitFunc
) traceset_state_class_init
, /* class_init */
1952 NULL
, /* class_finalize */
1953 NULL
, /* class_data */
1954 sizeof (LttvTracesetState
),
1955 0, /* n_preallocs */
1956 (GInstanceInitFunc
) traceset_state_instance_init
, /* instance_init */
1957 NULL
/* value handling */
1960 type
= g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE
, "LttvTracesetStateType",
1968 trace_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
1974 trace_state_finalize (LttvTraceState
*self
)
1976 G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE
))->
1977 finalize(G_OBJECT(self
));
1982 trace_state_class_init (LttvTraceStateClass
*klass
)
1984 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
1986 gobject_class
->finalize
= (void (*)(GObject
*self
)) trace_state_finalize
;
1987 klass
->state_save
= state_save
;
1988 klass
->state_restore
= state_restore
;
1989 klass
->state_saved_free
= state_saved_free
;
1994 lttv_trace_state_get_type(void)
1996 static GType type
= 0;
1998 static const GTypeInfo info
= {
1999 sizeof (LttvTraceStateClass
),
2000 NULL
, /* base_init */
2001 NULL
, /* base_finalize */
2002 (GClassInitFunc
) trace_state_class_init
, /* class_init */
2003 NULL
, /* class_finalize */
2004 NULL
, /* class_data */
2005 sizeof (LttvTraceState
),
2006 0, /* n_preallocs */
2007 (GInstanceInitFunc
) trace_state_instance_init
, /* instance_init */
2008 NULL
/* value handling */
2011 type
= g_type_register_static (LTTV_TRACE_CONTEXT_TYPE
,
2012 "LttvTraceStateType", &info
, 0);
2019 tracefile_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
2025 tracefile_state_finalize (LttvTracefileState
*self
)
2027 G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE
))->
2028 finalize(G_OBJECT(self
));
2033 tracefile_state_class_init (LttvTracefileStateClass
*klass
)
2035 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
2037 gobject_class
->finalize
= (void (*)(GObject
*self
)) tracefile_state_finalize
;
2042 lttv_tracefile_state_get_type(void)
2044 static GType type
= 0;
2046 static const GTypeInfo info
= {
2047 sizeof (LttvTracefileStateClass
),
2048 NULL
, /* base_init */
2049 NULL
, /* base_finalize */
2050 (GClassInitFunc
) tracefile_state_class_init
, /* class_init */
2051 NULL
, /* class_finalize */
2052 NULL
, /* class_data */
2053 sizeof (LttvTracefileState
),
2054 0, /* n_preallocs */
2055 (GInstanceInitFunc
) tracefile_state_instance_init
, /* instance_init */
2056 NULL
/* value handling */
2059 type
= g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE
,
2060 "LttvTracefileStateType", &info
, 0);
2066 static void module_init()
2068 LTTV_STATE_UNNAMED
= g_quark_from_string("unnamed");
2069 LTTV_STATE_MODE_UNKNOWN
= g_quark_from_string("unknown execution mode");
2070 LTTV_STATE_USER_MODE
= g_quark_from_string("user mode");
2071 LTTV_STATE_WAIT_FORK
= g_quark_from_string("wait fork");
2072 LTTV_STATE_SYSCALL
= g_quark_from_string("system call");
2073 LTTV_STATE_TRAP
= g_quark_from_string("trap");
2074 LTTV_STATE_IRQ
= g_quark_from_string("irq");
2075 LTTV_STATE_SUBMODE_UNKNOWN
= g_quark_from_string("unknown submode");
2076 LTTV_STATE_SUBMODE_NONE
= g_quark_from_string("(no submode)");
2077 LTTV_STATE_WAIT_CPU
= g_quark_from_string("wait for cpu");
2078 LTTV_STATE_EXIT
= g_quark_from_string("exiting");
2079 LTTV_STATE_ZOMBIE
= g_quark_from_string("zombie");
2080 LTTV_STATE_WAIT
= g_quark_from_string("wait for I/O");
2081 LTTV_STATE_RUN
= g_quark_from_string("running");
2082 LTTV_STATE_TRACEFILES
= g_quark_from_string("tracefiles");
2083 LTTV_STATE_PROCESSES
= g_quark_from_string("processes");
2084 LTTV_STATE_PROCESS
= g_quark_from_string("process");
2085 LTTV_STATE_RUNNING_PROCESS
= g_quark_from_string("running_process");
2086 LTTV_STATE_EVENT
= g_quark_from_string("event");
2087 LTTV_STATE_SAVED_STATES
= g_quark_from_string("saved states");
2088 LTTV_STATE_SAVED_STATES_TIME
= g_quark_from_string("saved states time");
2089 LTTV_STATE_TIME
= g_quark_from_string("time");
2090 LTTV_STATE_HOOKS
= g_quark_from_string("saved state hooks");
2091 LTTV_STATE_NAME_TABLES
= g_quark_from_string("name tables");
2092 LTTV_STATE_TRACE_STATE_USE_COUNT
=
2093 g_quark_from_string("trace_state_use_count");
2096 LTT_FACILITY_KERNEL
= g_quark_from_string("kernel");
2097 LTT_FACILITY_PROCESS
= g_quark_from_string("process");
2098 LTT_FACILITY_FS
= g_quark_from_string("fs");
2101 LTT_EVENT_SYSCALL_ENTRY
= g_quark_from_string("syscall_entry");
2102 LTT_EVENT_SYSCALL_EXIT
= g_quark_from_string("syscall_exit");
2103 LTT_EVENT_TRAP_ENTRY
= g_quark_from_string("trap_entry");
2104 LTT_EVENT_TRAP_EXIT
= g_quark_from_string("trap_exit");
2105 LTT_EVENT_IRQ_ENTRY
= g_quark_from_string("irq_entry");
2106 LTT_EVENT_IRQ_EXIT
= g_quark_from_string("irq_exit");
2107 LTT_EVENT_SCHEDCHANGE
= g_quark_from_string("schedchange");
2108 LTT_EVENT_FORK
= g_quark_from_string("fork");
2109 LTT_EVENT_EXIT
= g_quark_from_string("exit");
2110 LTT_EVENT_FREE
= g_quark_from_string("free");
2111 LTT_EVENT_EXEC
= g_quark_from_string("exec");
2114 LTT_FIELD_SYSCALL_ID
= g_quark_from_string("syscall_id");
2115 LTT_FIELD_TRAP_ID
= g_quark_from_string("trap_id");
2116 LTT_FIELD_IRQ_ID
= g_quark_from_string("irq_id");
2117 LTT_FIELD_OUT
= g_quark_from_string("out");
2118 LTT_FIELD_IN
= g_quark_from_string("in");
2119 LTT_FIELD_OUT_STATE
= g_quark_from_string("out_state");
2120 LTT_FIELD_PARENT_PID
= g_quark_from_string("parent_pid");
2121 LTT_FIELD_CHILD_PID
= g_quark_from_string("child_pid");
2122 LTT_FIELD_PID
= g_quark_from_string("pid");
2123 LTT_FIELD_FILENAME
= g_quark_from_string("filename");
2127 static void module_destroy()
2132 LTTV_MODULE("state", "State computation", \
2133 "Update the system state, possibly saving it at intervals", \
2134 module_init
, module_destroy
)