Re: sched: trace: update trace_sched_wakeup()

[Peter Zijlstra]

On Tue, 2008-12-16 at 08:07 +0100, Peter Zijlstra wrote:
> Add the information needed to distinguish 'real' wakeups from 'false'
> wakeups.

I don't seem to be doing so well this morning...

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>

Thanks Dhaval!

> ---
>  include/trace/sched.h             |    4 ++--
>  kernel/sched.c                    |    2 +-
>  kernel/trace/trace_sched_switch.c |    2 +-
>  kernel/trace/trace_sched_wakeup.c |    2 +-
>  4 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/include/trace/sched.h b/include/trace/sched.h
> index 9b2854a..a0861d2 100644
> --- a/include/trace/sched.h
> +++ b/include/trace/sched.h
> @@ -17,8 +17,8 @@ DECLARE_TRACE(sched_wait_task,
>  		TPARGS(rq, p));
>  
>  DECLARE_TRACE(sched_wakeup,
> -	TPPROTO(struct rq *rq, struct task_struct *p),
> -		TPARGS(rq, p));
> +	TPPROTO(struct rq *rq, struct task_struct *p, int success),
> +		TPARGS(rq, p, success));
>  
>  DECLARE_TRACE(sched_wakeup_new,
>  	TPPROTO(struct rq *rq, struct task_struct *p),
> diff --git a/kernel/sched.c b/kernel/sched.c
> index 0eff15b..953ded9 100644
> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -2329,7 +2329,7 @@ out_activate:
>  	success = 1;
>  
>  out_running:
> -	trace_sched_wakeup(rq, p);
> +	trace_sched_wakeup(rq, p, success);
>  	check_preempt_curr(rq, p, sync);
>  
>  	p->state = TASK_RUNNING;
> diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
> index 8633905..d4db564 100644
> --- a/kernel/trace/trace_sched_switch.c
> +++ b/kernel/trace/trace_sched_switch.c
> @@ -49,7 +49,7 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
>  }
>  
>  static void
> -probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
> +probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee, int success)
>  {
>  	struct trace_array_cpu *data;
>  	unsigned long flags;
> diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
> index 0067b49..43586b6 100644
> --- a/kernel/trace/trace_sched_wakeup.c
> +++ b/kernel/trace/trace_sched_wakeup.c
> @@ -211,7 +211,7 @@ static void wakeup_reset(struct trace_array *tr)
>  }
>  
>  static void
> -probe_wakeup(struct rq *rq, struct task_struct *p)
> +probe_wakeup(struct rq *rq, struct task_struct *p, int success)
>  {
>  	int cpu = smp_processor_id();
>  	unsigned long flags;
> 
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