122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
|
#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>
|