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Filename/usr/src/linux-headers-3.13.0-24/include/trace/events/workqueue.h
Size2.67 kb
Permissionrw-r--r--
Ownerroot : root
Create time27-Apr-2025 09:50
Last modified20-Jan-2014 10:40
Last accessed07-Jul-2025 14:56
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#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_queue_work - called when a work gets queued
* @req_cpu: the requested cpu
* @pwq: pointer to struct pool_workqueue
* @work: pointer to struct work_struct
*
* This event occurs when a work is queued immediately or once a
* delayed work is actually queued on a workqueue (ie: once the delay
* has been reached).
*/
TRACE_EVENT(workqueue_queue_work,

TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq,
struct work_struct *work),

TP_ARGS(req_cpu, pwq, work),

TP_STRUCT__entry(
__field( void *, work )
__field( void *, function)
__field( void *, workqueue)
__field( unsigned int, req_cpu )
__field( unsigned int, cpu )
),

TP_fast_assign(
__entry->work = work;
__entry->function = work->func;
__entry->workqueue = pwq->wq;
__entry->req_cpu = req_cpu;
__entry->cpu = pwq->pool->cpu;
),

TP_printk("work struct=%p function=%pf workqueue=%p req_cpu=%u cpu=%u",
__entry->work, __entry->function, __entry->workqueue,
__entry->req_cpu, __entry->cpu)
);

/**
* workqueue_activate_work - called when a work gets activated
* @work: pointer to struct work_struct
*
* This event occurs when a queued work is put on the active queue,
* which happens immediately after queueing unless @max_active limit
* is reached.
*/
DEFINE_EVENT(workqueue_work, workqueue_activate_work,

TP_PROTO(struct work_struct *work),

TP_ARGS(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 after 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>