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tracing: gpio: Add Kconfig option for enabling/disabling trace events

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Add a new options to trace Kconfig, CONFIG_TRACING_EVENTS_GPIO, that is
used for enabling/disabling compilation of gpio function trace events.

Link: http://lkml.kernel.org/r/1438432079-11704-4-git-send-email-tal.shorer@gmail.com

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tal Shorer <tal.shorer@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Tal Shorer 2015-08-01 15:27:58 +03:00 committed by Steven Rostedt
parent c63b7682b6
commit ddd70280bf
2 changed files with 11 additions and 0 deletions
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4
include/trace/events/gpio.h
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@ -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

7
kernel/trace/Kconfig
View File

@ -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