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ftrace: move mmiotrace functions out of trace.c

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Moves the mmiotrace specific functions from trace.c to
trace_mmiotrace.c. Functions trace_wake_up(), tracing_get_trace_entry(),
and tracing_generic_entry_update() are therefore made available outside
trace.c.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Pekka Paalanen
2008-09-16 21:56:41 +03:00
committed by Ingo Molnar
parent bbe5c7830c
commit 45dcd8b8a8
3 changed files with 50 additions and 53 deletions
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46
kernel/trace/trace.c
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@ -785,7 +785,7 @@ trace_next_page(struct trace_array_cpu *data, void *addr)
return page_address(page);
}
static inline struct trace_entry *
struct trace_entry *
tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
{
unsigned long idx, idx_next;
@ -821,7 +821,7 @@ tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
return entry;
}
static inline void
void
tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
{
struct task_struct *tsk = current;
@ -865,48 +865,6 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
trace_function(tr, data, ip, parent_ip, flags);
}
#ifdef CONFIG_MMIOTRACE
void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data,
struct mmiotrace_rw *rw)
{
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_MMIO_RW;
entry->field.mmiorw = *rw;
__raw_spin_unlock(&data->lock);
raw_local_irq_restore(irq_flags);
trace_wake_up();
}
void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data,
struct mmiotrace_map *map)
{
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_MMIO_MAP;
entry->field.mmiomap = *map;
__raw_spin_unlock(&data->lock);
raw_local_irq_restore(irq_flags);
trace_wake_up();
}
#endif
void __trace_stack(struct trace_array *tr,
struct trace_array_cpu *data,
unsigned long flags,