#ifndef _LINUX_FTRACE_H
#define _LINUX_FTRACE_H
-#ifdef CONFIG_FTRACE
-
#include <linux/linkage.h>
#include <linux/fs.h>
+#include <linux/ktime.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/kallsyms.h>
+
+#ifdef CONFIG_FTRACE
extern int ftrace_enabled;
extern int
#endif
+struct boot_trace {
+ pid_t caller;
+ char func[KSYM_NAME_LEN];
+ int result;
+ unsigned long long duration; /* usecs */
+ ktime_t calltime;
+ ktime_t rettime;
+};
+
+#ifdef CONFIG_BOOT_TRACER
+extern void trace_boot(struct boot_trace *it, initcall_t fn);
+extern void start_boot_trace(void);
+extern void stop_boot_trace(void);
+#else
+static inline void trace_boot(struct boot_trace *it, initcall_t fn) { }
+static inline void start_boot_trace(void) { }
+static inline void stop_boot_trace(void) { }
+#endif
+
+
+
#endif /* _LINUX_FTRACE_H */