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SubjectRe: [PATCH 1/8] sched & trace: Add a trace event for wait.
On Tue, Apr 15, 2014 at 09:32:50PM +0900, Dongsheng Yang wrote:
> From: Dongsheng <yangds.fnst@cn.fujitsu.com>
>

No changelog, and the tracepoint seems useless to me.

> Signed-off-by: Dongsheng <yangds.fnst@cn.fujitsu.com>
> ---
> include/trace/events/sched.h | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
> index 67e1bbf..7aa7d43a 100644
> --- a/include/trace/events/sched.h
> +++ b/include/trace/events/sched.h
> @@ -51,6 +51,26 @@ TRACE_EVENT(sched_kthread_stop_ret,
> );
>
> /*
> + * Tracepoint for wait:
> + */
> +TRACE_EVENT(sched_wait,
> +
> + TP_PROTO(struct task_struct *p),
> +
> + TP_ARGS(p),
> +
> + TP_STRUCT__entry(
> + __field( pid_t, pid )
> + ),
> +
> + TP_fast_assign(
> + __entry->pid = p->pid;
> + ),
> +
> + TP_printk("pid=%d", __entry->pid)
> +);
> +
> +/*
> * Tracepoint for waking up a task:
> */
> DECLARE_EVENT_CLASS(sched_wakeup_template,
> --
> 1.8.2.1
>


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