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ftrace: remove static from function tracer functions

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Impact: clean up

After reorganizing the functions in trace.c and trace_function.c,
they no longer need to be in global context. This patch makes the
functions and one variable into static.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2009-01-15 23:06:03 -05:00 committed by Ingo Molnar
parent 3eb36aa053
commit a225cdd263
3 changed files with 8 additions and 15 deletions
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3
kernel/trace/trace.c
View file

@ -187,9 +187,6 @@ int tracing_is_enabled(void)
return tracer_enabled; return tracer_enabled;
} }
/* function tracing enabled */
int ftrace_function_enabled;
/* /*
* trace_buf_size is the size in bytes that is allocated * trace_buf_size is the size in bytes that is allocated
* for a buffer. Note, the number of bytes is always rounded * for a buffer. Note, the number of bytes is always rounded

10
kernel/trace/trace.h
View file

@ -464,16 +464,6 @@ void __trace_stack(struct trace_array *tr,
extern cycle_t ftrace_now(int cpu); extern cycle_t ftrace_now(int cpu);
#ifdef CONFIG_FUNCTION_TRACER
void tracing_start_function_trace(void);
void tracing_stop_function_trace(void);
#else
# define tracing_start_function_trace() do { } while (0)
# define tracing_stop_function_trace() do { } while (0)
#endif
extern int ftrace_function_enabled;
#ifdef CONFIG_CONTEXT_SWITCH_TRACER #ifdef CONFIG_CONTEXT_SWITCH_TRACER
typedef void typedef void
(*tracer_switch_func_t)(void *private, (*tracer_switch_func_t)(void *private,

10
kernel/trace/trace_functions.c
View file

@ -16,8 +16,14 @@
#include "trace.h" #include "trace.h"
/* function tracing enabled */
static int ftrace_function_enabled;
static struct trace_array *func_trace; static struct trace_array *func_trace;
static void tracing_start_function_trace(void);
static void tracing_stop_function_trace(void);
static void start_function_trace(struct trace_array *tr) static void start_function_trace(struct trace_array *tr)
{ {
func_trace = tr; func_trace = tr;
@ -177,7 +183,7 @@ static struct tracer_flags func_flags = {
.opts = func_opts .opts = func_opts
}; };
void tracing_start_function_trace(void) static void tracing_start_function_trace(void)
{ {
ftrace_function_enabled = 0; ftrace_function_enabled = 0;
@ -194,7 +200,7 @@ void tracing_start_function_trace(void)
ftrace_function_enabled = 1; ftrace_function_enabled = 1;
} }
void tracing_stop_function_trace(void) static void tracing_stop_function_trace(void)
{ {
ftrace_function_enabled = 0; ftrace_function_enabled = 0;
/* OK if they are not registered */ /* OK if they are not registered */