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130 lines
2.9 KiB
130 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM workqueue |
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#if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_WORKQUEUE_H |
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#include <linux/tracepoint.h> |
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#include <linux/workqueue.h> |
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struct pool_workqueue; |
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/** |
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* workqueue_queue_work - called when a work gets queued |
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* @req_cpu: the requested cpu |
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* @pwq: pointer to struct pool_workqueue |
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* @work: pointer to struct work_struct |
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* |
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* This event occurs when a work is queued immediately or once a |
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* delayed work is actually queued on a workqueue (ie: once the delay |
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* has been reached). |
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*/ |
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TRACE_EVENT(workqueue_queue_work, |
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TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq, |
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struct work_struct *work), |
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TP_ARGS(req_cpu, pwq, work), |
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TP_STRUCT__entry( |
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__field( void *, work ) |
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__field( void *, function) |
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__string( workqueue, pwq->wq->name) |
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__field( unsigned int, req_cpu ) |
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__field( unsigned int, cpu ) |
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), |
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TP_fast_assign( |
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__entry->work = work; |
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__entry->function = work->func; |
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__assign_str(workqueue, pwq->wq->name); |
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__entry->req_cpu = req_cpu; |
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__entry->cpu = pwq->pool->cpu; |
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), |
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TP_printk("work struct=%p function=%ps workqueue=%s req_cpu=%u cpu=%u", |
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__entry->work, __entry->function, __get_str(workqueue), |
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__entry->req_cpu, __entry->cpu) |
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); |
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/** |
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* workqueue_activate_work - called when a work gets activated |
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* @work: pointer to struct work_struct |
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* |
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* This event occurs when a queued work is put on the active queue, |
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* which happens immediately after queueing unless @max_active limit |
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* is reached. |
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*/ |
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TRACE_EVENT(workqueue_activate_work, |
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TP_PROTO(struct work_struct *work), |
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TP_ARGS(work), |
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TP_STRUCT__entry( |
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__field( void *, work ) |
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), |
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TP_fast_assign( |
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__entry->work = work; |
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), |
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TP_printk("work struct %p", __entry->work) |
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); |
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/** |
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* workqueue_execute_start - called immediately before the workqueue callback |
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* @work: pointer to struct work_struct |
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* |
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* Allows to track workqueue execution. |
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*/ |
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TRACE_EVENT(workqueue_execute_start, |
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TP_PROTO(struct work_struct *work), |
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TP_ARGS(work), |
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TP_STRUCT__entry( |
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__field( void *, work ) |
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__field( void *, function) |
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), |
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TP_fast_assign( |
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__entry->work = work; |
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__entry->function = work->func; |
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), |
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TP_printk("work struct %p: function %ps", __entry->work, __entry->function) |
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); |
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/** |
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* workqueue_execute_end - called immediately after the workqueue callback |
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* @work: pointer to struct work_struct |
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* @function: pointer to worker function |
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* |
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* Allows to track workqueue execution. |
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*/ |
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TRACE_EVENT(workqueue_execute_end, |
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TP_PROTO(struct work_struct *work, work_func_t function), |
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TP_ARGS(work, function), |
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TP_STRUCT__entry( |
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__field( void *, work ) |
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__field( void *, function) |
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), |
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TP_fast_assign( |
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__entry->work = work; |
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__entry->function = function; |
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), |
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TP_printk("work struct %p: function %ps", __entry->work, __entry->function) |
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); |
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#endif /* _TRACE_WORKQUEUE_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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