projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| b87700e3 AG |
1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM workqueue | |
| 3 | ||
| 4 | #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 5 | #define _TRACE_WORKQUEUE_H | |
| 6 | ||
| 7 | #include <linux/tracepoint.h> | |
| 8 | #include <linux/workqueue.h> | |
| 9 | ||
| 10 | DECLARE_EVENT_CLASS(workqueue_work, | |
| 11 | ||
| 12 | TP_PROTO(struct work_struct *work), | |
| 13 | ||
| 14 | TP_ARGS(work), | |
| 15 | ||
| 16 | TP_STRUCT__entry( | |
| 17 | __field( void *, work ) | |
| 18 | ), | |
| 19 | ||
| 20 | TP_fast_assign( | |
| 21 | __entry->work = work; | |
| 22 | ), | |
| 23 | ||
| 24 | TP_printk("work struct %p", __entry->work) | |
| 25 | ); | |
| 26 | ||
| 27 | /** | |
| 28 | * workqueue_queue_work - called when a work gets queued | |
| 29 | * @req_cpu: the requested cpu | |
| 30 | * @cwq: pointer to struct cpu_workqueue_struct | |
| 31 | * @work: pointer to struct work_struct | |
| 32 | * | |
| 33 | * This event occurs when a work is queued immediately or once a | |
| 34 | * delayed work is actually queued on a workqueue (ie: once the delay | |
| 35 | * has been reached). | |
| 36 | */ | |
| 37 | TRACE_EVENT(workqueue_queue_work, | |
| 38 | ||
| 39 | TP_PROTO(unsigned int req_cpu, struct cpu_workqueue_struct *cwq, | |
| 40 | struct work_struct *work), | |
| 41 | ||
| 42 | TP_ARGS(req_cpu, cwq, work), | |
| 43 | ||
| 44 | TP_STRUCT__entry( | |
| 45 | __field( void *, work ) | |
| 46 | __field( void *, function) | |
| 47 | __field( void *, workqueue) | |
| 48 | __field( unsigned int, req_cpu ) | |
| 49 | __field( unsigned int, cpu ) | |
| 50 | ), | |
| 51 | ||
| 52 | TP_fast_assign( | |
| 53 | __entry->work = work; | |
| 54 | __entry->function = work->func; | |
| 55 | __entry->workqueue = cwq->wq; | |
| 56 | __entry->req_cpu = req_cpu; | |
| 57 | __entry->cpu = cwq->pool->gcwq->cpu; | |
| 58 | ), | |
| 59 | ||
| 60 | TP_printk("work struct=%p function=%pf workqueue=%p req_cpu=%u cpu=%u", | |
| 61 | __entry->work, __entry->function, __entry->workqueue, | |
| 62 | __entry->req_cpu, __entry->cpu) | |
| 63 | ); | |
| 64 | ||
| 65 | /** | |
| 66 | * workqueue_activate_work - called when a work gets activated | |
| 67 | * @work: pointer to struct work_struct | |
| 68 | * | |
| 69 | * This event occurs when a queued work is put on the active queue, | |
| 70 | * which happens immediately after queueing unless @max_active limit | |
| 71 | * is reached. | |
| 72 | */ | |
| 73 | DEFINE_EVENT(workqueue_work, workqueue_activate_work, | |
| 74 | ||
| 75 | TP_PROTO(struct work_struct *work), | |
| 76 | ||
| 77 | TP_ARGS(work) | |
| 78 | ); | |
| 79 | ||
| 80 | /** | |
| 81 | * workqueue_execute_start - called immediately before the workqueue callback | |
| 82 | * @work: pointer to struct work_struct | |
| 83 | * | |
| 84 | * Allows to track workqueue execution. | |
| 85 | */ | |
| 86 | TRACE_EVENT(workqueue_execute_start, | |
| 87 | ||
| 88 | TP_PROTO(struct work_struct *work), | |
| 89 | ||
| 90 | TP_ARGS(work), | |
| 91 | ||
| 92 | TP_STRUCT__entry( | |
| 93 | __field( void *, work ) | |
| 94 | __field( void *, function) | |
| 95 | ), | |
| 96 | ||
| 97 | TP_fast_assign( | |
| 98 | __entry->work = work; | |
| 99 | __entry->function = work->func; | |
| 100 | ), | |
| 101 | ||
| 102 | TP_printk("work struct %p: function %pf", __entry->work, __entry->function) | |
| 103 | ); | |
| 104 | ||
| 105 | /** | |
| 106 | * workqueue_execute_end - called immediately after the workqueue callback | |
| 107 | * @work: pointer to struct work_struct | |
| 108 | * | |
| 109 | * Allows to track workqueue execution. | |
| 110 | */ | |
| 111 | DEFINE_EVENT(workqueue_work, workqueue_execute_end, | |
| 112 | ||
| 113 | TP_PROTO(struct work_struct *work), | |
| 114 | ||
| 115 | TP_ARGS(work) | |
| 116 | ); | |
| 117 | ||
| 118 | #endif /* _TRACE_WORKQUEUE_H */ | |
| 119 | ||
| 120 | /* This part must be outside protection */ | |
| 121 | #include <trace/define_trace.h> |