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authorSteven Rostedt <srostedt@redhat.com>2009-01-15 23:06:03 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-16 12:17:58 +0100
commita225cdd263f340c864febb1992802fb5b08bc328 (patch)
treea457f609c0071216c37f255cbaba00217bf1a7ed
parent3eb36aa05329a47cbe201c151fd0024a4a3649cd (diff)
ftrace: remove static from function tracer functions
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>
-rw-r--r--kernel/trace/trace.c3
-rw-r--r--kernel/trace/trace.h10
-rw-r--r--kernel/trace/trace_functions.c10
3 files changed, 8 insertions, 15 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 2585ffb6c6b..7de6a94063d 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -187,9 +187,6 @@ int tracing_is_enabled(void)
return tracer_enabled;
}
-/* function tracing enabled */
-int ftrace_function_enabled;
-
/*
* trace_buf_size is the size in bytes that is allocated
* for a buffer. Note, the number of bytes is always rounded
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index bf39a369e4b..54b72781e92 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -464,16 +464,6 @@ void __trace_stack(struct trace_array *tr,
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
typedef void
(*tracer_switch_func_t)(void *private,
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index 61d0b73dabf..b3a320f8aba 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -16,8 +16,14 @@
#include "trace.h"
+/* function tracing enabled */
+static int ftrace_function_enabled;
+
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)
{
func_trace = tr;
@@ -177,7 +183,7 @@ static struct tracer_flags func_flags = {
.opts = func_opts
};
-void tracing_start_function_trace(void)
+static void tracing_start_function_trace(void)
{
ftrace_function_enabled = 0;
@@ -194,7 +200,7 @@ void tracing_start_function_trace(void)
ftrace_function_enabled = 1;
}
-void tracing_stop_function_trace(void)
+static void tracing_stop_function_trace(void)
{
ftrace_function_enabled = 0;
/* OK if they are not registered */