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linux-next/include/trace/events/gpio.h
Tal Shorer ddd70280bf tracing: gpio: Add Kconfig option for enabling/disabling trace events
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>
2015-10-20 21:56:10 -04:00

61 lines
1.1 KiB
C

#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
#include <linux/tracepoint.h>
TRACE_EVENT(gpio_direction,
TP_PROTO(unsigned gpio, int in, int err),
TP_ARGS(gpio, in, err),
TP_STRUCT__entry(
__field(unsigned, gpio)
__field(int, in)
__field(int, err)
),
TP_fast_assign(
__entry->gpio = gpio;
__entry->in = in;
__entry->err = err;
),
TP_printk("%u %3s (%d)", __entry->gpio,
__entry->in ? "in" : "out", __entry->err)
);
TRACE_EVENT(gpio_value,
TP_PROTO(unsigned gpio, int get, int value),
TP_ARGS(gpio, get, value),
TP_STRUCT__entry(
__field(unsigned, gpio)
__field(int, get)
__field(int, value)
),
TP_fast_assign(
__entry->gpio = gpio;
__entry->get = get;
__entry->value = value;
),
TP_printk("%u %3s %d", __entry->gpio,
__entry->get ? "get" : "set", __entry->value)
);
#endif /* if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */
#include <trace/define_trace.h>