1 files changed, 19 insertions, 0 deletions

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 5de9903645d5..91954eb6460f 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -5,6 +5,8 @@
 
 #include <linux/linkage.h>
 #include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/types.h>
 
 extern int ftrace_enabled;
 extern int
@@ -209,4 +211,21 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { }
 #endif
 
 
+struct boot_trace {
+        pid_t                   caller;
+        initcall_t              func;
+        int                     result;
+        unsigned long long      duration;
+};
+
+#ifdef CONFIG_BOOT_TRACER
+extern void trace_boot(struct boot_trace *it);
+extern void start_boot_trace(void);
+#else
+static inline void trace_boot(struct boot_trace *it) { }
+static inline void start_boot_trace(void) { }
+#endif
+
+
+
 #endif /* _LINUX_FTRACE_H */