ftrace: special stacktrace
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Родитель
9fe068e92f
Коммит
a4feb8348b
|
@ -808,29 +808,6 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
|
|||
trace_function(tr, data, ip, parent_ip, flags);
|
||||
}
|
||||
|
||||
void
|
||||
__trace_special(void *__tr, void *__data,
|
||||
unsigned long arg1, unsigned long arg2, unsigned long arg3)
|
||||
{
|
||||
struct trace_array_cpu *data = __data;
|
||||
struct trace_array *tr = __tr;
|
||||
struct trace_entry *entry;
|
||||
unsigned long irq_flags;
|
||||
|
||||
raw_local_irq_save(irq_flags);
|
||||
__raw_spin_lock(&data->lock);
|
||||
entry = tracing_get_trace_entry(tr, data);
|
||||
tracing_generic_entry_update(entry, 0);
|
||||
entry->type = TRACE_SPECIAL;
|
||||
entry->special.arg1 = arg1;
|
||||
entry->special.arg2 = arg2;
|
||||
entry->special.arg3 = arg3;
|
||||
__raw_spin_unlock(&data->lock);
|
||||
raw_local_irq_restore(irq_flags);
|
||||
|
||||
trace_wake_up();
|
||||
}
|
||||
|
||||
void __trace_stack(struct trace_array *tr,
|
||||
struct trace_array_cpu *data,
|
||||
unsigned long flags,
|
||||
|
@ -856,6 +833,30 @@ void __trace_stack(struct trace_array *tr,
|
|||
save_stack_trace(&trace);
|
||||
}
|
||||
|
||||
void
|
||||
__trace_special(void *__tr, void *__data,
|
||||
unsigned long arg1, unsigned long arg2, unsigned long arg3)
|
||||
{
|
||||
struct trace_array_cpu *data = __data;
|
||||
struct trace_array *tr = __tr;
|
||||
struct trace_entry *entry;
|
||||
unsigned long irq_flags;
|
||||
|
||||
raw_local_irq_save(irq_flags);
|
||||
__raw_spin_lock(&data->lock);
|
||||
entry = tracing_get_trace_entry(tr, data);
|
||||
tracing_generic_entry_update(entry, 0);
|
||||
entry->type = TRACE_SPECIAL;
|
||||
entry->special.arg1 = arg1;
|
||||
entry->special.arg2 = arg2;
|
||||
entry->special.arg3 = arg3;
|
||||
__trace_stack(tr, data, irq_flags, 4);
|
||||
__raw_spin_unlock(&data->lock);
|
||||
raw_local_irq_restore(irq_flags);
|
||||
|
||||
trace_wake_up();
|
||||
}
|
||||
|
||||
void
|
||||
tracing_sched_switch_trace(struct trace_array *tr,
|
||||
struct trace_array_cpu *data,
|
||||
|
|
Загрузка…
Ссылка в новой задаче