#ifdef CONFIG_FTRACE
#include <linux/linkage.h>
+#include <linux/fs.h>
extern int ftrace_enabled;
extern int
void clear_ftrace_function(void);
extern void ftrace_stub(unsigned long a0, unsigned long a1);
-extern void mcount(void);
#else /* !CONFIG_FTRACE */
# define register_ftrace_function(ops) do { } while (0)
# define FTRACE_HASHSIZE (1<<FTRACE_HASHBITS)
enum {
- FTRACE_FL_FAILED = (1 << 0),
- FTRACE_FL_FILTER = (1 << 1),
- FTRACE_FL_ENABLED = (1 << 2),
+ FTRACE_FL_FREE = (1 << 0),
+ FTRACE_FL_FAILED = (1 << 1),
+ FTRACE_FL_FILTER = (1 << 2),
+ FTRACE_FL_ENABLED = (1 << 3),
+ FTRACE_FL_NOTRACE = (1 << 4),
+ FTRACE_FL_CONVERTED = (1 << 5),
+ FTRACE_FL_FROZEN = (1 << 6),
};
struct dyn_ftrace {
struct hlist_node node;
- unsigned long ip;
+ unsigned long ip; /* address of mcount call-site */
unsigned long flags;
};
int ftrace_force_update(void);
+void ftrace_set_filter(unsigned char *buf, int len, int reset);
/* defined in arch */
extern int ftrace_ip_converted(unsigned long ip);
extern void ftrace_caller(void);
extern void ftrace_call(void);
extern void mcount_call(void);
+
+extern int skip_trace(unsigned long ip);
+
+void ftrace_disable_daemon(void);
+void ftrace_enable_daemon(void);
+
#else
-# define ftrace_force_update() do { } while (0)
-#endif
+# define skip_trace(ip) ({ 0; })
+# define ftrace_force_update() ({ 0; })
+# define ftrace_set_filter(buf, len, reset) do { } while (0)
+# define ftrace_disable_daemon() do { } while (0)
+# define ftrace_enable_daemon() do { } while (0)
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+/* totally disable ftrace - can not re-enable after this */
+void ftrace_kill(void);
+void ftrace_kill_atomic(void);
static inline void tracer_disable(void)
{
# define CALLER_ADDR3 ((unsigned long)__builtin_return_address(3))
# define CALLER_ADDR4 ((unsigned long)__builtin_return_address(4))
# define CALLER_ADDR5 ((unsigned long)__builtin_return_address(5))
+# define CALLER_ADDR6 ((unsigned long)__builtin_return_address(6))
#else
# define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
# define CALLER_ADDR1 0UL
# define CALLER_ADDR3 0UL
# define CALLER_ADDR4 0UL
# define CALLER_ADDR5 0UL
+# define CALLER_ADDR6 0UL
#endif
#ifdef CONFIG_IRQSOFF_TRACER
- extern void notrace time_hardirqs_on(unsigned long a0, unsigned long a1);
- extern void notrace time_hardirqs_off(unsigned long a0, unsigned long a1);
+ extern void time_hardirqs_on(unsigned long a0, unsigned long a1);
+ extern void time_hardirqs_off(unsigned long a0, unsigned long a1);
#else
# define time_hardirqs_on(a0, a1) do { } while (0)
# define time_hardirqs_off(a0, a1) do { } while (0)
#endif
#ifdef CONFIG_PREEMPT_TRACER
- extern void notrace trace_preempt_on(unsigned long a0, unsigned long a1);
- extern void notrace trace_preempt_off(unsigned long a0, unsigned long a1);
+ extern void trace_preempt_on(unsigned long a0, unsigned long a1);
+ extern void trace_preempt_off(unsigned long a0, unsigned long a1);
#else
# define trace_preempt_on(a0, a1) do { } while (0)
# define trace_preempt_off(a0, a1) do { } while (0)
#endif
+#ifdef CONFIG_TRACING
+extern void
+ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
+#else
+static inline void
+ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
+#endif
+
#endif /* _LINUX_FTRACE_H */