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Date: Wed, 23 Sep 2015 17:54:26 +0300
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Subject: Re: [Patch v3 2/2] tracing: gpio: add Kconfig option for
 enabling/disabling trace events
From: Tal Shorer <tal.shorer@gmail.com>
To: Tal Shorer <tal.shorer@gmail.com>, Steven Rostedt <rostedt@goodmis.org>
Cc: mingo@redhat.com,
        "<linux-kernel@vger.kernel.org>" <linux-kernel@vger.kernel.org>
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Merge window for 4.3 is over, so I figured I might bring this back up

On Tue, Aug 11, 2015 at 10:45 PM, Tal Shorer <tal.shorer@gmail.com> wrote:
> ping?
>
> On Sat, Aug 1, 2015 at 3:27 PM, Tal Shorer <tal.shorer@gmail.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@gmail.com>
>> Acked-by: Linus Walleij <linus.walleij@linaro.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
>>