Port ftrace to markers

Porting ftrace to the marker infrastructure.

Don't need to chain to the wakeup tracer from the sched tracer, because markers
support multiple probes connected.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 32 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 360ca99033d2..c0b1c69b55ce 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2131,38 +2131,6 @@ __trace_special(void *__tr, void *__data,
 }
 #endif
 
-#ifdef CONFIG_CONTEXT_SWITCH_TRACER
-extern void
-ftrace_ctx_switch(void *rq, struct task_struct *prev, struct task_struct *next);
-extern void
-ftrace_wake_up_task(void *rq, struct task_struct *wakee,
-                    struct task_struct *curr);
-extern void ftrace_all_fair_tasks(void *__rq, void *__tr, void *__data);
-extern void
-ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
-#else
-static inline void
-ftrace_ctx_switch(void *rq, struct task_struct *prev, struct task_struct *next)
-{
-}
-static inline void
-sched_trace_special(unsigned long p1, unsigned long p2, unsigned long p3)
-{
-}
-static inline void
-ftrace_wake_up_task(void *rq, struct task_struct *wakee,
-                    struct task_struct *curr)
-{
-}
-static inline void ftrace_all_fair_tasks(void *__rq, void *__tr, void *__data)
-{
-}
-static inline void
-ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
-{
-}
-#endif
-
 extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask);
 extern long sched_getaffinity(pid_t pid, cpumask_t *mask);