trace: Call tracing_reset_online_cpus before tracer->init()
Impact: cleanup
To make it easy for ftrace plugin writers, as this was open coded in
the existing plugins
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Frédéric Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index d067cea..36bf956 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -24,32 +24,21 @@
static void tracing_start_function_trace(void);
static void tracing_stop_function_trace(void);
-static void start_function_trace(struct trace_array *tr)
+static int function_trace_init(struct trace_array *tr)
{
func_trace = tr;
tr->cpu = get_cpu();
- tracing_reset_online_cpus(tr);
put_cpu();
tracing_start_cmdline_record();
tracing_start_function_trace();
-}
-
-static void stop_function_trace(struct trace_array *tr)
-{
- tracing_stop_function_trace();
- tracing_stop_cmdline_record();
-}
-
-static int function_trace_init(struct trace_array *tr)
-{
- start_function_trace(tr);
return 0;
}
static void function_trace_reset(struct trace_array *tr)
{
- stop_function_trace(tr);
+ tracing_stop_function_trace();
+ tracing_stop_cmdline_record();
}
static void function_trace_start(struct trace_array *tr)