Viewing file:  workqueue.h (2.93 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
#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>
struct pool_workqueue;
/**
* 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)
__string( workqueue, pwq->wq->name)
__field( unsigned int, req_cpu )
__field( unsigned int, cpu )
),
TP_fast_assign(
__entry->work = work;
__entry->function = work->func;
__assign_str(workqueue, pwq->wq->name);
__entry->req_cpu = req_cpu;
__entry->cpu = pwq->pool->cpu;
),
TP_printk("work struct=%p function=%ps workqueue=%s req_cpu=%u cpu=%u",
__entry->work, __entry->function, __get_str(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.
*/
TRACE_EVENT(workqueue_activate_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 %ps", __entry->work, __entry->function)
);
/**
* workqueue_execute_end - called immediately after the workqueue callback
* @work: pointer to struct work_struct
* @function: pointer to worker function
*
* Allows to track workqueue execution.
*/
TRACE_EVENT(workqueue_execute_end,
TP_PROTO(struct work_struct *work, work_func_t function),
TP_ARGS(work, function),
TP_STRUCT__entry(
__field( void *, work )
__field( void *, function)
),
TP_fast_assign(
__entry->work = work;
__entry->function = function;
),
TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
);
#endif /* _TRACE_WORKQUEUE_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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