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authorBill Pemberton <wfp5p@virginia.edu>2009-06-19 12:32:57 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2009-07-12 16:21:45 -0400
commit35e2bed559ab80641f1764aae570d92711ddc2fa (patch)
treec9bff965408ed377c5ed8ecb9bf7c7a4ec146234 /arch/m32r/kernel/signal.c
parentd9dea3c1c0814a87cc579b425e9776b8ed46b31f (diff)
Staging: serqt_usb2: declare qt_open static in serqt_usb2
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/m32r/kernel/signal.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-02 10:45:08 -0400
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#undef TRACE_SYSTEM
#define TRACE_SYSTEM timer

#if !defined(_TRACE_TIMER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_TIMER_H

#include <linux/tracepoint.h>
#include <linux/hrtimer.h>
#include <linux/timer.h>

DECLARE_EVENT_CLASS(timer_class,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer),

	TP_STRUCT__entry(
		__field( void *,	timer	)
	),

	TP_fast_assign(
		__entry->timer	= timer;
	),

	TP_printk("timer=%p", __entry->timer)
);

/**
 * timer_init - called when the timer is initialized
 * @timer:	pointer to struct timer_list
 */
DEFINE_EVENT(timer_class, timer_init,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
);

/**
 * timer_start - called when the timer is started
 * @timer:	pointer to struct timer_list
 * @expires:	the timers expiry time
 */
TRACE_EVENT(timer_start,

	TP_PROTO(struct timer_list *timer, unsigned long expires),

	TP_ARGS(timer, expires),

	TP_STRUCT__entry(
		__field( void *,	timer		)
		__field( void *,	function	)
		__field( unsigned long,	expires		)
		__field( unsigned long,	now		)
	),

	TP_fast_assign(
		__entry->timer		= timer;
		__entry->function	= timer->function;
		__entry->expires	= expires;
		__entry->now		= jiffies;
	),

	TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld]",
		  __entry->timer, __entry->function, __entry->expires,
		  (long)__entry->expires - __entry->now)
);

/**
 * timer_expire_entry - called immediately before the timer callback
 * @timer:	pointer to struct timer_list
 *
 * Allows to determine the timer latency.
 */
TRACE_EVENT(timer_expire_entry,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer),

	TP_STRUCT__entry(
		__field( void *,	timer	)
		__field( unsigned long,	now	)
		__field( void *,	function)
	),

	TP_fast_assign(
		__entry->timer		= timer;
		__entry->now		= jiffies;
		__entry->function	= timer->function;
	),

	TP_printk("timer=%p function=%pf now=%lu", __entry->timer, __entry->function,__entry->now)
);

/**
 * timer_expire_exit - called immediately after the timer callback returns
 * @timer:	pointer to struct timer_list
 *
 * When used in combination with the timer_expire_entry tracepoint we can
 * determine the runtime of the timer callback function.
 *
 * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might
 * be invalid. We solely track the pointer.
 */
DEFINE_EVENT(timer_class, timer_expire_exit,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
);