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Port ftrace to markers

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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>
This commit is contained in:
Mathieu Desnoyers
2008-05-12 21:21:10 +02:00
committed by Thomas Gleixner
parent 0aa977f592
commit 5b82a1b08a
5 changed files with 257 additions and 90 deletions
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32
include/linux/sched.h
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@@ -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);