LTTV_STATE_RESOURCE_CPUS_COUNT,
LTTV_STATE_RESOURCE_IRQS,
LTTV_STATE_RESOURCE_SOFT_IRQS,
+ LTTV_STATE_RESOURCE_TRAPS,
LTTV_STATE_RESOURCE_BLKDEVS;
static void create_max_time(LttvTraceState *tcs);
static void
restore_init_state(LttvTraceState *self)
{
- guint i, nb_cpus, nb_irqs, nb_soft_irqs;
+ guint i, nb_cpus, nb_irqs, nb_soft_irqs, nb_traps;
//LttvTracefileState *tfcs;
nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
nb_irqs = self->nb_irqs;
nb_soft_irqs = self->nb_soft_irqs;
+ nb_traps = self->nb_traps;
/* Put the per cpu running_process to beginning state : process 0. */
for(i=0; i< nb_cpus; i++) {
self->soft_irq_states[i].running = 0;
}
+ /* reset trap states */
+ for(i=0; i<nb_traps; i++) {
+ self->trap_states[i].running = 0;
+ }
+
/* reset bdev states */
g_hash_table_foreach(self->bdev_states, bdevstate_free_cb, NULL);
//g_hash_table_steal_all(self->bdev_states);
/* the kernel has a statically fixed max of 32 softirqs */
tcs->soft_irq_states = g_new(LttvSoftIRQState, tcs->nb_soft_irqs);
+ /* init trap stuff */
+ tcs->trap_states = g_new(LttvTrapState, tcs->nb_traps);
+
/* init bdev resource stuff */
tcs->bdev_states = g_hash_table_new(g_int_hash, g_int_equal);
static LttvSoftIRQState *lttv_state_copy_soft_irq_states(LttvSoftIRQState *states, guint n)
{
- guint i,j;
+ guint i;
LttvSoftIRQState *retval;
retval = g_malloc(n*sizeof(LttvSoftIRQState));
g_free(states);
}
+static LttvTrapState *lttv_state_copy_trap_states(LttvTrapState *states, guint n)
+{
+ guint i;
+ LttvTrapState *retval;
+
+ retval = g_malloc(n*sizeof(LttvTrapState));
+
+ for(i=0; i<n; i++) {
+ retval[i].running = states[i].running;
+ }
+
+ return retval;
+}
+
+static void lttv_state_free_trap_states(LttvTrapState *states, guint n)
+{
+ g_free(states);
+}
+
/* bdevstate stuff */
static LttvBdevState *get_hashed_bdevstate(LttvTraceState *ts, guint16 devcode)
static void state_save(LttvTraceState *self, LttvAttribute *container)
{
- guint i, nb_tracefile, nb_cpus, nb_irqs;
+ guint i, nb_tracefile, nb_cpus, nb_irqs, nb_soft_irqs, nb_traps;
LttvTracefileState *tfcs;
}
/* save the soft irq state */
- nb_irqs = self->nb_irqs;
+ nb_soft_irqs = self->nb_soft_irqs;
{
value = lttv_attribute_add(container, LTTV_STATE_RESOURCE_SOFT_IRQS,
LTTV_POINTER);
- *(value.v_pointer) = lttv_state_copy_soft_irq_states(self->soft_irq_states, nb_irqs);
+ *(value.v_pointer) = lttv_state_copy_soft_irq_states(self->soft_irq_states, nb_soft_irqs);
+ }
+
+ /* save the trap state */
+ nb_traps = self->nb_traps;
+ {
+ value = lttv_attribute_add(container, LTTV_STATE_RESOURCE_TRAPS,
+ LTTV_POINTER);
+ *(value.v_pointer) = lttv_state_copy_trap_states(self->trap_states, nb_traps);
}
/* save the blkdev states */
static void state_restore(LttvTraceState *self, LttvAttribute *container)
{
- guint i, nb_tracefile, pid, nb_cpus, nb_irqs, nb_soft_irqs;
+ guint i, nb_tracefile, pid, nb_cpus, nb_irqs, nb_soft_irqs, nb_traps;
LttvTracefileState *tfcs;
lttv_state_free_soft_irq_states(self->soft_irq_states, nb_soft_irqs);
self->soft_irq_states = lttv_state_copy_soft_irq_states(*(value.v_pointer), nb_soft_irqs);
+ /* restore trap resource states */
+ nb_traps = self->nb_traps;
+ type = lttv_attribute_get_by_name(container, LTTV_STATE_RESOURCE_TRAPS, &value);
+ g_assert(type == LTTV_POINTER);
+ lttv_state_free_trap_states(self->trap_states, nb_traps);
+ self->trap_states = lttv_state_copy_trap_states(*(value.v_pointer), nb_traps);
+
/* restore the blkdev states */
type = lttv_attribute_get_by_name(container, LTTV_STATE_RESOURCE_BLKDEVS, &value);
g_assert(type == LTTV_POINTER);
static gboolean trap_entry(void *hook_data, void *call_data)
{
LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttvTraceState *ts = (LttvTraceState *)s->parent.t_context;
LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
LttvTraceHook *th = (LttvTraceHook *)hook_data;
struct marker_field *f = lttv_trace_get_hook_field(th, 0);
/* update cpu status */
cpu_push_mode(s->cpu_state, LTTV_CPU_TRAP);
+ /* update trap status */
+ s->cpu_state->last_trap = trap;
+ ts->trap_states[trap].running++;
+
return FALSE;
}
static gboolean trap_exit(void *hook_data, void *call_data)
{
LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttvTraceState *ts = (LttvTraceState *)s->parent.t_context;
+ guint trap = s->cpu_state->last_trap;
pop_state(s, LTTV_STATE_TRAP);
/* update cpu status */
cpu_pop_mode(s->cpu_state);
+ /* update trap status */
+ if(ts->trap_states[trap].running)
+ ts->trap_states[trap].running--;
+
return FALSE;
}
LTTV_STATE_RESOURCE_CPUS = g_quark_from_string("cpu count");
LTTV_STATE_RESOURCE_IRQS = g_quark_from_string("irq resource states");
LTTV_STATE_RESOURCE_SOFT_IRQS = g_quark_from_string("soft irq resource states");
+ LTTV_STATE_RESOURCE_TRAPS = g_quark_from_string("trap resource states");
LTTV_STATE_RESOURCE_BLKDEVS = g_quark_from_string("blkdevs resource states");