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