#undef TRACE_SYSTEM #define TRACE_SYSTEM workqueue #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_WORKQUEUE_H #include #include 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 * @cwq: pointer to struct cpu_workqueue_struct * @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 cpu_workqueue_struct *cwq, struct work_struct *work), TP_ARGS(req_cpu, cwq, 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 = cwq->wq; __entry->req_cpu = req_cpu; __entry->cpu = cwq->gcwq->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 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