2 #include <lttv/state.h>
3 #include <ltt/facility.h>
24 void remove_all_processes(GHashTable
*processes
);
26 LttvProcessState
*create_process(LttvTracefileState
*tfs
,
27 LttvProcessState
*parent
, guint pid
);
30 init(LttvTracesetState
*self
, LttvTraceset
*ts
)
32 guint i
, j
, nb_trace
, nb_tracefile
;
38 LttvTracefileContext
*tfc
;
40 LttvTracefileState
*tfcs
;
42 LttTime timestamp
= {0,0};
44 LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self
)))->init((LttvTracesetContext
*)self
, ts
);
46 nb_trace
= lttv_traceset_number(ts
);
47 for(i
= 0 ; i
< nb_trace
; i
++) {
48 tcs
= (LttvTraceState
*)tc
= (LTTV_TRACESET_CONTEXT(self
)->traces
[i
]);
49 tcs
->processes
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
51 nb_tracefile
= ltt_trace_control_tracefile_number(tc
->t
);
52 for(j
= 0 ; j
< nb_tracefile
; j
++) {
53 tfcs
= (LttvTracefileState
*)tfc
= tc
->control_tracefiles
[j
];
54 tfc
->timestamp
= timestamp
;
55 tfcs
->process
= create_process(tfcs
, NULL
,0);
58 nb_tracefile
= ltt_trace_per_cpu_tracefile_number(tc
->t
);
59 for(j
= 0 ; j
< nb_tracefile
; j
++) {
60 tfcs
= (LttvTracefileState
*)tfc
= tc
->per_cpu_tracefiles
[j
];
61 tfc
->timestamp
= timestamp
;
62 tfcs
->process
= create_process(tfcs
, NULL
,0);
69 fini(LttvTracesetState
*self
)
71 guint i
, j
, nb_trace
, nb_tracefile
;
75 LttvTracefileState
*tfcs
;
77 nb_trace
= lttv_traceset_number(LTTV_TRACESET_CONTEXT(self
)->ts
);
78 for(i
= 0 ; i
< nb_trace
; i
++) {
79 tcs
= (LttvTraceState
*)(LTTV_TRACESET_CONTEXT(self
)->traces
[i
]);
80 remove_all_processes(tcs
->processes
);
81 g_hash_table_destroy(tcs
->processes
);
83 LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self
)))->fini((LttvTracesetContext
*)self
);
87 static LttvTracesetContext
*
88 new_traceset_context(LttvTracesetContext
*self
)
90 return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE
, NULL
));
94 static LttvTraceContext
*
95 new_trace_context(LttvTracesetContext
*self
)
97 return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE
, NULL
));
101 static LttvTracefileContext
*
102 new_tracefile_context(LttvTracesetContext
*self
)
104 return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE
, NULL
));
109 traceset_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
115 traceset_state_finalize (LttvTracesetState
*self
)
117 G_OBJECT_CLASS(g_type_class_peek_parent(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self
))))->finalize(G_OBJECT(self
));
122 traceset_state_class_init (LttvTracesetContextClass
*klass
)
124 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
126 gobject_class
->finalize
= (void (*)(GObject
*self
)) traceset_state_finalize
;
127 klass
->init
= (void (*)(LttvTracesetContext
*self
, LttvTraceset
*ts
))init
;
128 klass
->fini
= (void (*)(LttvTracesetContext
*self
))fini
;
129 klass
->new_traceset_context
= new_traceset_context
;
130 klass
->new_trace_context
= new_trace_context
;
131 klass
->new_tracefile_context
= new_tracefile_context
;
136 lttv_traceset_state_get_type(void)
138 static GType type
= 0;
140 static const GTypeInfo info
= {
141 sizeof (LttvTracesetStateClass
),
142 NULL
, /* base_init */
143 NULL
, /* base_finalize */
144 (GClassInitFunc
) traceset_state_class_init
, /* class_init */
145 NULL
, /* class_finalize */
146 NULL
, /* class_data */
147 sizeof (LttvTracesetContext
),
149 (GInstanceInitFunc
) traceset_state_instance_init
/* instance_init */
152 type
= g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE
, "LttvTracesetStateType",
160 trace_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
166 trace_state_finalize (LttvTraceState
*self
)
168 G_OBJECT_CLASS(g_type_class_peek_parent(g_type_class_peek_parent(LTTV_TRACE_STATE_GET_CLASS(self
))))->finalize(G_OBJECT(self
));
173 trace_state_class_init (LttvTraceContextClass
*klass
)
175 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
177 gobject_class
->finalize
= (void (*)(GObject
*self
)) trace_state_finalize
;
182 lttv_trace_state_get_type(void)
184 static GType type
= 0;
186 static const GTypeInfo info
= {
187 sizeof (LttvTraceStateClass
),
188 NULL
, /* base_init */
189 NULL
, /* base_finalize */
190 (GClassInitFunc
) trace_state_class_init
, /* class_init */
191 NULL
, /* class_finalize */
192 NULL
, /* class_data */
193 sizeof (LttvTraceState
),
195 (GInstanceInitFunc
) trace_state_instance_init
/* instance_init */
198 type
= g_type_register_static (LTTV_TRACE_CONTEXT_TYPE
,
199 "LttvTraceStateType", &info
, 0);
206 tracefile_state_instance_init (GTypeInstance
*instance
, gpointer g_class
)
212 tracefile_state_finalize (LttvTracefileState
*self
)
214 G_OBJECT_CLASS(g_type_class_peek_parent(g_type_class_peek_parent(LTTV_TRACEFILE_STATE_GET_CLASS(self
))))->finalize(G_OBJECT(self
));
219 tracefile_state_class_init (LttvTracefileStateClass
*klass
)
221 GObjectClass
*gobject_class
= G_OBJECT_CLASS(klass
);
223 gobject_class
->finalize
= (void (*)(GObject
*self
)) tracefile_state_finalize
;
228 lttv_tracefile_state_get_type(void)
230 static GType type
= 0;
232 static const GTypeInfo info
= {
233 sizeof (LttvTracefileStateClass
),
234 NULL
, /* base_init */
235 NULL
, /* base_finalize */
236 (GClassInitFunc
) tracefile_state_class_init
, /* class_init */
237 NULL
, /* class_finalize */
238 NULL
, /* class_data */
239 sizeof (LttvTracefileState
),
241 (GInstanceInitFunc
) tracefile_state_instance_init
/* instance_init */
244 type
= g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE
,
245 "LttvTracefileStateType", &info
, 0);
262 gboolean free_hook_data
;
266 static void push_state(LttvTracefileState
*tfs
, LttvInterruptType t
,
269 LttvInterruptState
*intr
;
271 LttvProcessState
*process
= tfs
->process
;
273 guint depth
= process
->interrupt_stack
->len
;
275 g_array_set_size(process
->interrupt_stack
, depth
+ 1);
276 intr
= &g_array_index(process
->interrupt_stack
, LttvInterruptState
, depth
);
279 intr
->entry
= intr
->last_change
= LTTV_TRACEFILE_CONTEXT(tfs
)->timestamp
;
280 intr
->s
= process
->state
->s
;
281 process
->state
= intr
;
285 static void pop_state(LttvTracefileState
*tfs
, LttvInterruptType t
)
287 LttvProcessState
*process
= tfs
->process
;
289 guint depth
= process
->interrupt_stack
->len
- 1;
291 // g_assert(process->state->t == t);
292 if(process
->state
->t
!= t
){
293 g_warning("Different interrupt type: ignore it\n");
296 g_array_remove_index(process
->interrupt_stack
, depth
);
298 process
->state
= &g_array_index(process
->interrupt_stack
, LttvInterruptState
,
303 LttvProcessState
*create_process(LttvTracefileState
*tfs
,
304 LttvProcessState
*parent
, guint pid
)
306 LttvProcessState
*process
= g_new(LttvProcessState
, 1);
308 LttvInterruptState
*intr
;
310 LttvTraceContext
*tc
;
314 LttvTracefileContext
*tfc
= LTTV_TRACEFILE_CONTEXT(tfs
);
316 tcs
= (LttvTraceState
*)tc
= tfc
->t_context
;
318 g_hash_table_insert(tcs
->processes
, GUINT_TO_POINTER(pid
), process
);
320 process
->birth
= tfc
->timestamp
;
321 process
->name
= LTTV_STATE_UNNAMED
;
322 process
->interrupt_stack
= g_array_new(FALSE
, FALSE
,
323 sizeof(LttvInterruptState
));
324 g_array_set_size(process
->interrupt_stack
, 1);
325 intr
= process
->state
= &g_array_index(process
->interrupt_stack
,
326 LttvInterruptState
, 0);
327 intr
->t
= LTTV_STATE_USER_MODE
;
329 intr
->entry
= tfc
->timestamp
;
330 intr
->last_change
= tfc
->timestamp
;
331 intr
->s
= LTTV_STATE_WAIT_FORK
;
337 LttvProcessState
*find_process(LttvTracefileState
*tfs
, guint pid
)
339 LttvTraceState
*ts
=(LttvTraceState
*)LTTV_TRACEFILE_CONTEXT(tfs
)->t_context
;
340 LttvProcessState
*process
= g_hash_table_lookup(ts
->processes
,
341 GUINT_TO_POINTER(pid
));
342 if(process
== NULL
) process
= create_process(tfs
, NULL
, pid
);
347 void exit_process(LttvTracefileState
*tfs
, LttvProcessState
*process
)
349 LttvTraceState
*ts
= LTTV_TRACE_STATE(tfs
->parent
.t_context
);
351 g_hash_table_remove(ts
->processes
, GUINT_TO_POINTER(process
->pid
));
352 g_array_free(process
->interrupt_stack
, TRUE
);
357 void free_process_state(gpointer key
, gpointer value
, gpointer user_data
)
359 g_array_free(((LttvProcessState
*)value
)->interrupt_stack
, TRUE
);
364 void remove_all_processes(GHashTable
*processes
)
366 g_hash_table_foreach(processes
, free_process_state
, NULL
);
370 gboolean
syscall_entry(void *hook_data
, void *call_data
)
372 LttField
*f
= (LttField
*)hook_data
;
374 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
376 push_state(s
, LTTV_STATE_SYSCALL
, ltt_event_get_unsigned(
377 LTTV_TRACEFILE_CONTEXT(s
)->e
, f
));
382 gboolean
syscall_exit(void *hook_data
, void *call_data
)
384 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
386 pop_state(s
, LTTV_STATE_SYSCALL
);
391 gboolean
trap_entry(void *hook_data
, void *call_data
)
393 LttField
*f
= (LttField
*)hook_data
;
395 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
397 push_state(s
, LTTV_STATE_TRAP
, ltt_event_get_unsigned(s
->parent
.e
, f
));
402 gboolean
trap_exit(void *hook_data
, void *call_data
)
404 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
406 pop_state(s
, LTTV_STATE_TRAP
);
411 gboolean
irq_entry(void *hook_data
, void *call_data
)
413 LttField
*f
= (LttField
*)hook_data
;
415 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
417 /* Do something with the info about being in user or system mode when int? */
418 push_state(s
, LTTV_STATE_IRQ
, ltt_event_get_unsigned(s
->parent
.e
, f
));
423 gboolean
irq_exit(void *hook_data
, void *call_data
)
425 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
427 pop_state(s
, LTTV_STATE_IRQ
);
432 gboolean
schedchange(void *hook_data
, void *call_data
)
434 struct HookData
*h
= (struct HookData
*)hook_data
;
436 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
438 guint pid_in
, pid_out
, state_out
;
440 pid_in
= ltt_event_get_unsigned(s
->parent
.e
, h
->f1
);
441 pid_out
= ltt_event_get_unsigned(s
->parent
.e
, h
->f2
);
442 state_out
= ltt_event_get_unsigned(s
->parent
.e
, h
->f3
);
443 if(s
->process
!= NULL
) {
444 if(state_out
== 0) s
->process
->state
->s
= LTTV_STATE_WAIT_CPU
;
445 else if(s
->process
->state
->s
== LTTV_STATE_EXIT
)
446 exit_process(s
, s
->process
);
447 else s
->process
->state
->s
= LTTV_STATE_WAIT
;
449 if(s
->process
->pid
== 0)
450 s
->process
->pid
== pid_out
;
452 s
->process
= find_process(s
, pid_in
);
453 s
->process
->state
->s
= LTTV_STATE_RUN
;
458 gboolean
process_fork(void *hook_data
, void *call_data
)
460 LttField
*f
= (LttField
*)hook_data
;
462 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
466 child_pid
= ltt_event_get_unsigned(s
->parent
.e
, f
);
467 create_process(s
, s
->process
, child_pid
);
472 gboolean
process_exit(void *hook_data
, void *call_data
)
474 LttvTracefileState
*s
= (LttvTracefileState
*)call_data
;
476 if(s
->process
!= NULL
) {
477 s
->process
->state
->s
= LTTV_STATE_EXIT
;
484 find_field(LttEventType
*et
, const char *field
)
494 if(field
== NULL
) return NULL
;
496 f
= ltt_eventtype_field(et
);
497 t
= ltt_eventtype_type(et
);
498 g_assert(ltt_type_class(t
) == LTT_STRUCT
);
499 nb
= ltt_type_member_number(t
);
500 for(i
= 0 ; i
< nb
; i
++) {
501 ltt_type_member_type(t
, i
, &name
);
502 if(strcmp(name
, field
) == 0) break;
505 return ltt_field_member(f
, i
);
510 find_hook(LttTrace
*t
, char *facility
, char *event
,
511 char *field1
, char *field2
, char *field3
, LttvHook h
)
519 struct HookId hook_id
;
521 struct HookData hook_data
, *phook_data
;
525 nb
= ltt_trace_facility_find(t
, facility
, &pos
);
526 if(nb
< 1) g_error("No %s facility", facility
);
527 f
= ltt_trace_facility_get(t
, pos
);
528 et
= ltt_facility_eventtype_get_by_name(f
, event
);
529 if(et
== NULL
) g_error("Event %s does not exist", event
);
531 hook_id
.id
= ltt_eventtype_id(et
);
533 hook_id
.free_hook_data
= FALSE
;
534 hook_data
.f1
= find_field(et
, field1
);
535 hook_data
.f2
= find_field(et
, field2
);
536 hook_data
.f3
= find_field(et
, field3
);
537 if(hook_data
.f1
== NULL
) hook_id
.hook_data
= NULL
;
538 else if(hook_data
.f2
== NULL
) hook_id
.hook_data
= hook_data
.f1
;
540 phook_data
= g_new(struct HookData
, 1);
541 *phook_data
= hook_data
;
542 hook_id
.hook_data
= phook_data
;
543 hook_id
.free_hook_data
= TRUE
;
549 lttv_state_add_event_hooks(LttvTracesetState
*self
)
551 LttvTraceset
*traceset
= self
->parent
.ts
;
553 guint i
, j
, k
, nb_trace
, nb_control
, nb_per_cpu
, nb_tracefile
;
561 LttvTracefileState
*tfs
;
567 struct HookId hook_id
;
569 LttvAttributeValue val
;
571 nb_trace
= lttv_traceset_number(traceset
);
572 for(i
= 0 ; i
< nb_trace
; i
++) {
573 ts
= (LttvTraceState
*)self
->parent
.traces
[i
];
575 /* Find the eventtype id for the following events and register the
576 associated by id hooks. */
578 hooks
= g_array_new(FALSE
, FALSE
, sizeof(struct HookId
));
579 hook_id
= find_hook(ts
->parent
.t
, "core","syscall_entry","syscall_id",
580 NULL
, NULL
, syscall_entry
);
581 g_array_append_val(hooks
, hook_id
);
583 hook_id
= find_hook(ts
->parent
.t
, "core", "syscall_exit",
584 NULL
, NULL
, NULL
, syscall_exit
);
585 g_array_append_val(hooks
, hook_id
);
587 hook_id
= find_hook(ts
->parent
.t
, "core", "trap_entry", "trap_id",
588 NULL
, NULL
, trap_entry
);
589 g_array_append_val(hooks
, hook_id
);
591 hook_id
= find_hook(ts
->parent
.t
, "core", "trap_exit", NULL
, NULL
,
593 g_array_append_val(hooks
, hook_id
);
595 hook_id
= find_hook(ts
->parent
.t
, "core", "irq_entry", "irq_id",
596 NULL
, NULL
, irq_entry
);
597 g_array_append_val(hooks
, hook_id
);
599 hook_id
= find_hook(ts
->parent
.t
, "core", "irq_exit", NULL
, NULL
,
601 g_array_append_val(hooks
, hook_id
);
603 hook_id
= find_hook(ts
->parent
.t
, "core", "schedchange",
604 "in", "out", "out_state", schedchange
);
605 g_array_append_val(hooks
, hook_id
);
607 hook_id
= find_hook(ts
->parent
.t
, "core", "process_fork",
608 "child_pid", NULL
, NULL
, process_fork
);
609 g_array_append_val(hooks
, hook_id
);
611 hook_id
= find_hook(ts
->parent
.t
, "core", "process_exit",
612 NULL
, NULL
, NULL
, process_exit
);
613 g_array_append_val(hooks
, hook_id
);
615 /* Add these hooks to each before_event_by_id hooks list */
617 nb_control
= ltt_trace_control_tracefile_number(ts
->parent
.t
);
618 nb_per_cpu
= ltt_trace_per_cpu_tracefile_number(ts
->parent
.t
);
619 nb_tracefile
= nb_control
+ nb_per_cpu
;
620 for(j
= 0 ; j
< nb_tracefile
; j
++) {
622 tfs
= LTTV_TRACEFILE_STATE(ts
->parent
.control_tracefiles
[j
]);
625 tfs
= LTTV_TRACEFILE_STATE(ts
->parent
.per_cpu_tracefiles
[j
-nb_control
]);
628 for(k
= 0 ; k
< hooks
->len
; k
++) {
629 hook_id
= g_array_index(hooks
, struct HookId
, k
);
630 lttv_hooks_add(lttv_hooks_by_id_find(tfs
->parent
.before_event_by_id
,
631 hook_id
.id
), hook_id
.h
, hook_id
.hook_data
);
634 lttv_attribute_find(self
->parent
.a
, LTTV_STATE_HOOKS
, LTTV_POINTER
, &val
);
635 *(val
.v_pointer
) = hooks
;
640 lttv_state_remove_event_hooks(LttvTracesetState
*self
)
642 LttvTraceset
*traceset
= self
->parent
.ts
;
644 guint i
, j
, k
, nb_trace
, nb_control
, nb_per_cpu
, nb_tracefile
;
648 LttvTracefileState
*tfs
;
654 struct HookId hook_id
;
656 LttvAttributeValue val
;
658 nb_trace
= lttv_traceset_number(traceset
);
659 for(i
= 0 ; i
< nb_trace
; i
++) {
660 ts
= LTTV_TRACE_STATE(self
->parent
.traces
[i
]);
661 lttv_attribute_find(self
->parent
.a
, LTTV_STATE_HOOKS
, LTTV_POINTER
, &val
);
662 hooks
= *(val
.v_pointer
);
664 /* Add these hooks to each before_event_by_id hooks list */
666 nb_control
= ltt_trace_control_tracefile_number(ts
->parent
.t
);
667 nb_per_cpu
= ltt_trace_per_cpu_tracefile_number(ts
->parent
.t
);
668 nb_tracefile
= nb_control
+ nb_per_cpu
;
669 for(j
= 0 ; j
< nb_tracefile
; j
++) {
671 tfs
= LTTV_TRACEFILE_STATE(ts
->parent
.control_tracefiles
[j
]);
674 tfs
= LTTV_TRACEFILE_STATE(ts
->parent
.per_cpu_tracefiles
[j
-nb_control
]);
677 for(k
= 0 ; k
< hooks
->len
; k
++) {
678 hook_id
= g_array_index(hooks
, struct HookId
, k
);
679 lttv_hooks_remove_data(
680 lttv_hooks_by_id_find(tfs
->parent
.before_event_by_id
,
681 hook_id
.id
), hook_id
.h
, hook_id
.hook_data
);
682 if(hook_id
.free_hook_data
) g_free(hook_id
.hook_data
);
684 // for(k = 0 ; k < hooks->len ; k++) {
685 // hook_id = g_array_index(hooks, struct HookId, k);
686 // if(hook_id.free_hook_data) g_free(hook_id.hook_data);
689 g_array_free(hooks
, TRUE
);
694 void lttv_state_init(int argc
, char **argv
)
696 LTTV_STATE_UNNAMED
= g_quark_from_string("unnamed");
697 LTTV_STATE_USER_MODE
= g_quark_from_string("user mode");
698 LTTV_STATE_WAIT_FORK
= g_quark_from_string("wait fork");
699 LTTV_STATE_SYSCALL
= g_quark_from_string("system call");
700 LTTV_STATE_TRAP
= g_quark_from_string("trap");
701 LTTV_STATE_IRQ
= g_quark_from_string("irq");
702 LTTV_STATE_WAIT_CPU
= g_quark_from_string("wait for cpu");
703 LTTV_STATE_EXIT
= g_quark_from_string("exiting");
704 LTTV_STATE_WAIT
= g_quark_from_string("wait for I/O");
705 LTTV_STATE_RUN
= g_quark_from_string("running");
706 LTTV_STATE_HOOKS
= g_quark_from_string("saved state hooks");
709 void lttv_state_destroy()