linux-kernel - Re: [PATCH 12/18] timer: Provide config option for enabling timer tracepoints

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Date:	Tue, 23 Mar 2010 03:01:53 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Jan Kara <jack@...e.cz>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 12/18] timer: Provide config option for enabling timer
 tracepoints

On Tue, 23 Mar 2010, Jan Kara wrote:

> CC: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Jan Kara <jack@...e.cz>

Acked-by: Thomas Gleixner <tglx@...utronix.de>

Steven, can you pick that up please ?

> ---
>  include/trace/events/timer.h |    2 ++
>  kernel/trace/Kconfig         |    9 +++++++++
>  2 files changed, 11 insertions(+), 0 deletions(-)
> 
> diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
> index 9496b96..2737598 100644
> --- a/include/trace/events/timer.h
> +++ b/include/trace/events/timer.h
> @@ -1,5 +1,7 @@
>  #undef TRACE_SYSTEM
> +#undef TRACE_CONFIG
>  #define TRACE_SYSTEM timer
> +#define TRACE_CONFIG CONFIG_TIMER_TRACER
>  
>  #if !defined(_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ)
>  #define _TRACE_TIMER_H
> diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> index a9d7e33..787f52e 100644
> --- a/kernel/trace/Kconfig
> +++ b/kernel/trace/Kconfig
> @@ -421,6 +421,15 @@ config MODULE_TRACER
>  
>  	  If unsure, say N
>  
> +config TIMER_TRACER
> +	bool "Trace timer actions"
> +	select GENERIC_TRACER
> +	help
> +	  Provide trace points for timer initialization, starting, expiring,
> +	  and canceling.
> +
> +	  If unsure, say N
> +
>  config WORKQUEUE_TRACER
>  	bool "Trace workqueues"
>  	select GENERIC_TRACER
> -- 
> 1.6.4.2
> 
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