ftrace: sysprof updates

make the sample period configurable.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 3271916ff033..95b7c48a9a1d 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2800,6 +2800,9 @@ static __init void tracer_init_debugfs(void)
                 pr_warning("Could not create debugfs "
                            "'dyn_ftrace_total_info' entry\n");
 #endif
+#ifdef CONFIG_SYSPROF_TRACER
+        init_tracer_sysprof_debugfs(d_tracer);
+#endif
 }
 
 static int trace_alloc_page(void)