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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM workqueue |
| 4 | |
| 5 | #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _TRACE_WORKQUEUE_H |
| 7 | |
| 8 | #include <linux/tracepoint.h> |
| 9 | #include <linux/workqueue.h> |
| 10 | |
| 11 | struct pool_workqueue; |
| 12 | |
| 13 | /** |
| 14 | * workqueue_queue_work - called when a work gets queued |
| 15 | * @req_cpu: the requested cpu |
| 16 | * @pwq: pointer to struct pool_workqueue |
| 17 | * @work: pointer to struct work_struct |
| 18 | * |
| 19 | * This event occurs when a work is queued immediately or once a |
| 20 | * delayed work is actually queued on a workqueue (ie: once the delay |
| 21 | * has been reached). |
| 22 | */ |
| 23 | TRACE_EVENT(workqueue_queue_work, |
| 24 | |
| 25 | TP_PROTO(int req_cpu, struct pool_workqueue *pwq, |
| 26 | struct work_struct *work), |
| 27 | |
| 28 | TP_ARGS(req_cpu, pwq, work), |
| 29 | |
| 30 | TP_STRUCT__entry( |
| 31 | __field( void *, work ) |
| 32 | __field( void *, function) |
| 33 | __string( workqueue, pwq->wq->name) |
| 34 | __field( int, req_cpu ) |
| 35 | __field( int, cpu ) |
| 36 | ), |
| 37 | |
| 38 | TP_fast_assign( |
| 39 | __entry->work = work; |
| 40 | __entry->function = work->func; |
| 41 | __assign_str(workqueue, pwq->wq->name); |
| 42 | __entry->req_cpu = req_cpu; |
| 43 | __entry->cpu = pwq->pool->cpu; |
| 44 | ), |
| 45 | |
| 46 | TP_printk("work struct=%p function=%ps workqueue=%s req_cpu=%d cpu=%d", |
| 47 | __entry->work, __entry->function, __get_str(workqueue), |
| 48 | __entry->req_cpu, __entry->cpu) |
| 49 | ); |
| 50 | |
| 51 | /** |
| 52 | * workqueue_activate_work - called when a work gets activated |
| 53 | * @work: pointer to struct work_struct |
| 54 | * |
| 55 | * This event occurs when a queued work is put on the active queue, |
| 56 | * which happens immediately after queueing unless @max_active limit |
| 57 | * is reached. |
| 58 | */ |
| 59 | TRACE_EVENT(workqueue_activate_work, |
| 60 | |
| 61 | TP_PROTO(struct work_struct *work), |
| 62 | |
| 63 | TP_ARGS(work), |
| 64 | |
| 65 | TP_STRUCT__entry( |
| 66 | __field( void *, work ) |
| 67 | ), |
| 68 | |
| 69 | TP_fast_assign( |
| 70 | __entry->work = work; |
| 71 | ), |
| 72 | |
| 73 | TP_printk("work struct %p", __entry->work) |
| 74 | ); |
| 75 | |
| 76 | /** |
| 77 | * workqueue_execute_start - called immediately before the workqueue callback |
| 78 | * @work: pointer to struct work_struct |
| 79 | * |
| 80 | * Allows to track workqueue execution. |
| 81 | */ |
| 82 | TRACE_EVENT(workqueue_execute_start, |
| 83 | |
| 84 | TP_PROTO(struct work_struct *work), |
| 85 | |
| 86 | TP_ARGS(work), |
| 87 | |
| 88 | TP_STRUCT__entry( |
| 89 | __field( void *, work ) |
| 90 | __field( void *, function) |
| 91 | ), |
| 92 | |
| 93 | TP_fast_assign( |
| 94 | __entry->work = work; |
| 95 | __entry->function = work->func; |
| 96 | ), |
| 97 | |
| 98 | TP_printk("work struct %p: function %ps", __entry->work, __entry->function) |
| 99 | ); |
| 100 | |
| 101 | /** |
| 102 | * workqueue_execute_end - called immediately after the workqueue callback |
| 103 | * @work: pointer to struct work_struct |
| 104 | * @function: pointer to worker function |
| 105 | * |
| 106 | * Allows to track workqueue execution. |
| 107 | */ |
| 108 | TRACE_EVENT(workqueue_execute_end, |
| 109 | |
| 110 | TP_PROTO(struct work_struct *work, work_func_t function), |
| 111 | |
| 112 | TP_ARGS(work, function), |
| 113 | |
| 114 | TP_STRUCT__entry( |
| 115 | __field( void *, work ) |
| 116 | __field( void *, function) |
| 117 | ), |
| 118 | |
| 119 | TP_fast_assign( |
| 120 | __entry->work = work; |
| 121 | __entry->function = function; |
| 122 | ), |
| 123 | |
| 124 | TP_printk("work struct %p: function %ps", __entry->work, __entry->function) |
| 125 | ); |
| 126 | |
| 127 | #endif /* _TRACE_WORKQUEUE_H */ |
| 128 | |
| 129 | /* This part must be outside protection */ |
| 130 | #include <trace/define_trace.h> |
| 131 |
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