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
10DECLARE_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 */
37TRACE_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->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 */
73DEFINE_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 */
86TRACE_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 before the workqueue callback
107 * @work:	pointer to struct work_struct
108 *
109 * Allows to track workqueue execution.
110 */
111DEFINE_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>
122