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ddd70280bf
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>
61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM gpio
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#ifndef CONFIG_TRACING_EVENTS_GPIO
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#define NOTRACE
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#endif
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#if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_GPIO_H
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#include <linux/tracepoint.h>
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TRACE_EVENT(gpio_direction,
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TP_PROTO(unsigned gpio, int in, int err),
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TP_ARGS(gpio, in, err),
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TP_STRUCT__entry(
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__field(unsigned, gpio)
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__field(int, in)
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__field(int, err)
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),
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TP_fast_assign(
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__entry->gpio = gpio;
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__entry->in = in;
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__entry->err = err;
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),
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TP_printk("%u %3s (%d)", __entry->gpio,
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__entry->in ? "in" : "out", __entry->err)
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);
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TRACE_EVENT(gpio_value,
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TP_PROTO(unsigned gpio, int get, int value),
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TP_ARGS(gpio, get, value),
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TP_STRUCT__entry(
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__field(unsigned, gpio)
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__field(int, get)
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__field(int, value)
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),
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TP_fast_assign(
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__entry->gpio = gpio;
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__entry->get = get;
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__entry->value = value;
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),
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TP_printk("%u %3s %d", __entry->gpio,
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__entry->get ? "get" : "set", __entry->value)
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);
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#endif /* if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ) */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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