linux-kernel - Re: [Patch v3 2/2] tracing: gpio: add Kconfig option for enabling/disabling trace events

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Date:	Tue, 11 Aug 2015 22:45:34 +0300
From:	Tal Shorer <tal.shorer@...il.com>
To:	Tal Shorer <tal.shorer@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>
Cc:	mingo@...hat.com,
	"<linux-kernel@...r.kernel.org>" <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v3 2/2] tracing: gpio: add Kconfig option for
 enabling/disabling trace events

ping?

On Sat, Aug 1, 2015 at 3:27 PM, Tal Shorer <tal.shorer@...il.com> wrote:
> Add a new options to trace Kconfig, CONFIG_TRACING_EVENTS_GPIO, that is
> used for enabling/disabling compilation of gpio function trace events.
>
> Signed-off-by: Tal Shorer <tal.shorer@...il.com>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> ---
>  include/trace/events/gpio.h | 4 ++++
>  kernel/trace/Kconfig        | 7 +++++++
>  2 files changed, 11 insertions(+)
>
> diff --git a/include/trace/events/gpio.h b/include/trace/events/gpio.h
> index 927a8ad..2da73b9 100644
> --- a/include/trace/events/gpio.h
> +++ b/include/trace/events/gpio.h
> @@ -1,6 +1,10 @@
>  #undef TRACE_SYSTEM
>  #define TRACE_SYSTEM gpio
>
> +#ifndef CONFIG_TRACING_EVENTS_GPIO
> +#define NOTRACE
> +#endif
> +
>  #if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ)
>  #define _TRACE_GPIO_H
>
> diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> index 3b9a48a..67a1731 100644
> --- a/kernel/trace/Kconfig
> +++ b/kernel/trace/Kconfig
> @@ -635,6 +635,13 @@ config TRACE_ENUM_MAP_FILE
>
>         If unsure, say N
>
> +config TRACING_EVENTS_GPIO
> +       bool "Trace gpio events"
> +       depends on GPIOLIB
> +       default y
> +       help
> +         Enable tracing events for gpio subsystem
> +
>  endif # FTRACE
>
>  endif # TRACING_SUPPORT
> --
> 2.4.6
>
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