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-rw-r--r--kernel/trace/trace_selftest.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 2901e3b..a7329b7 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -640,13 +640,20 @@ out:
* Enable ftrace, sleep 1/10 second, and then read the trace
* buffer to see if all is in order.
*/
-int
+__init int
trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr)
{
int save_ftrace_enabled = ftrace_enabled;
unsigned long count;
int ret;
+#ifdef CONFIG_DYNAMIC_FTRACE
+ if (ftrace_filter_param) {
+ printk(KERN_CONT " ... kernel command line filter set: force PASS ... ");
+ return 0;
+ }
+#endif
+
/* make sure msleep has been recorded */
msleep(1);
@@ -727,13 +734,20 @@ static int trace_graph_entry_watchdog(struct ftrace_graph_ent *trace)
* Pretty much the same than for the function tracer from which the selftest
* has been borrowed.
*/
-int
+__init int
trace_selftest_startup_function_graph(struct tracer *trace,
struct trace_array *tr)
{
int ret;
unsigned long count;
+#ifdef CONFIG_DYNAMIC_FTRACE
+ if (ftrace_filter_param) {
+ printk(KERN_CONT " ... kernel command line filter set: force PASS ... ");
+ return 0;
+ }
+#endif
+
/*
* Simulate the init() callback but we attach a watchdog callback
* to detect and recover from possible hangs
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