linux-stable-rt/include/trace/events/workqueue.h

#undef TRACE_SYSTEM
#define TRACE_SYSTEM workqueue

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

#include <linux/tracepoint.h>
#include <linux/workqueue.h>

DECLARE_EVENT_CLASS(workqueue_work,

	TP_PROTO(struct work_struct *work),

	TP_ARGS(work),

	TP_STRUCT__entry(
		__field( void *,	work	)
	),

	TP_fast_assign(
		__entry->work		= work;
	),

	TP_printk("work struct %p", __entry->work)
);

/**
 * workqueue_execute_start - called immediately before the workqueue callback
 * @work:	pointer to struct work_struct
 *
 * Allows to track workqueue execution.
 */
TRACE_EVENT(workqueue_execute_start,

	TP_PROTO(struct work_struct *work),

	TP_ARGS(work),

	TP_STRUCT__entry(
		__field( void *,	work	)
		__field( void *,	function)
	),

	TP_fast_assign(
		__entry->work		= work;
		__entry->function	= work->func;
	),

	TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
);

/**
 * workqueue_execute_end - called immediately before the workqueue callback
 * @work:	pointer to struct work_struct
 *
 * Allows to track workqueue execution.
 */
DEFINE_EVENT(workqueue_work, workqueue_execute_end,

	TP_PROTO(struct work_struct *work),

	TP_ARGS(work)
);

#endif /*  _TRACE_WORKQUEUE_H */

/* This part must be outside protection */
#include <trace/define_trace.h>