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
11struct 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 */
23TRACE_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 */
59TRACE_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 */
82TRACE_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 */
108TRACE_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