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Arjan van de Vene36c8862010-08-21 13:07:26 -07001#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
Tejun Heo97bd2342010-10-05 10:41:14 +020010DECLARE_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
Arjan van de Vene36c8862010-08-21 13:07:26 -070027/**
Tejun Heocdadf002010-10-05 10:49:55 +020028 * 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/**
Arjan van de Vene36c8862010-08-21 13:07:26 -070081 * 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 */
Tejun Heo97bd2342010-10-05 10:41:14 +0200111DEFINE_EVENT(workqueue_work, workqueue_execute_end,
Arjan van de Vene36c8862010-08-21 13:07:26 -0700112
113 TP_PROTO(struct work_struct *work),
114
Tejun Heo97bd2342010-10-05 10:41:14 +0200115 TP_ARGS(work)
Arjan van de Vene36c8862010-08-21 13:07:26 -0700116);
117
Arjan van de Vene36c8862010-08-21 13:07:26 -0700118#endif /* _TRACE_WORKQUEUE_H */
119
120/* This part must be outside protection */
121#include <trace/define_trace.h>