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tracing/core: Make the stack entry helpers global

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Make the stacktrace event insertion helpers globals.
This has two effects:

- Prepare for moving the sched events insertion helpers to
  the sched switch tracer file.
- Move some ifdef outside function definitions

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Frederic Weisbecker
2009-07-29 17:51:13 +02:00
parent 5e5bf48398
commit c0a0d0d3f6
2 changed files with 33 additions and 19 deletions
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28
kernel/trace/trace.h
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@@ -489,9 +489,31 @@ void update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu);
void update_max_tr_single(struct trace_array *tr,
struct task_struct *tsk, int cpu);
void __trace_stack(struct trace_array *tr,
unsigned long flags,
int skip, int pc);
#ifdef CONFIG_STACKTRACE
void ftrace_trace_stack(struct trace_array *tr, unsigned long flags,
int skip, int pc);
void ftrace_trace_userstack(struct trace_array *tr, unsigned long flags,
int pc);
void __trace_stack(struct trace_array *tr, unsigned long flags, int skip,
int pc);
#else
static inline void ftrace_trace_stack(struct trace_array *tr,
unsigned long flags, int skip, int pc)
{
}
static inline void ftrace_trace_userstack(struct trace_array *tr,
unsigned long flags, int pc)
{
}
static inline void __trace_stack(struct trace_array *tr, unsigned long flags,
int skip, int pc)
{
}
#endif /* CONFIG_STACKTRACE */
extern cycle_t ftrace_now(int cpu);