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-rw-r--r--kernel/trace/ftrace.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index c3e4575e782..077d8538790 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3863,6 +3863,14 @@ void ftrace_kill(void)
}
/**
+ * Test if ftrace is dead or not.
+ */
+int ftrace_is_dead(void)
+{
+ return ftrace_disabled;
+}
+
+/**
* register_ftrace_function - register a function for profiling
* @ops - ops structure that holds the function for profiling.
*