2 #define TRACE_SYSTEM workqueue
4 #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_WORKQUEUE_H
7 #include <linux/tracepoint.h>
8 #include <linux/workqueue.h>
10 DECLARE_EVENT_CLASS(workqueue_work
,
12 TP_PROTO(struct work_struct
*work
),
17 __field( void *, work
)
24 TP_printk("work struct %p", __entry
->work
)
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
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
37 TRACE_EVENT(workqueue_queue_work
,
39 TP_PROTO(unsigned int req_cpu
, struct cpu_workqueue_struct
*cwq
,
40 struct work_struct
*work
),
42 TP_ARGS(req_cpu
, cwq
, work
),
45 __field( void *, work
)
46 __field( void *, function
)
47 __field( void *, workqueue
)
48 __field( unsigned int, req_cpu
)
49 __field( unsigned int, cpu
)
54 __entry
->function
= work
->func
;
55 __entry
->workqueue
= cwq
->wq
;
56 __entry
->req_cpu
= req_cpu
;
57 __entry
->cpu
= cwq
->pool
->gcwq
->cpu
;
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
)
66 * workqueue_activate_work - called when a work gets activated
67 * @work: pointer to struct work_struct
69 * This event occurs when a queued work is put on the active queue,
70 * which happens immediately after queueing unless @max_active limit
73 DEFINE_EVENT(workqueue_work
, workqueue_activate_work
,
75 TP_PROTO(struct work_struct
*work
),
81 * workqueue_execute_start - called immediately before the workqueue callback
82 * @work: pointer to struct work_struct
84 * Allows to track workqueue execution.
86 TRACE_EVENT(workqueue_execute_start
,
88 TP_PROTO(struct work_struct
*work
),
93 __field( void *, work
)
94 __field( void *, function
)
99 __entry
->function
= work
->func
;
102 TP_printk("work struct %p: function %pf", __entry
->work
, __entry
->function
)
106 * workqueue_execute_end - called immediately after the workqueue callback
107 * @work: pointer to struct work_struct
109 * Allows to track workqueue execution.
111 DEFINE_EVENT(workqueue_work
, workqueue_execute_end
,
113 TP_PROTO(struct work_struct
*work
),
118 #endif /* _TRACE_WORKQUEUE_H */
120 /* This part must be outside protection */
121 #include <trace/define_trace.h>
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